diff options
Diffstat (limited to 'indra/llui/llview.cpp')
-rw-r--r-- | indra/llui/llview.cpp | 5764 |
1 files changed, 2882 insertions, 2882 deletions
diff --git a/indra/llui/llview.cpp b/indra/llui/llview.cpp index c46c2d9f6c..28283964e2 100644 --- a/indra/llui/llview.cpp +++ b/indra/llui/llview.cpp @@ -1,2882 +1,2882 @@ -/**
- * @file llview.cpp
- * @author James Cook
- * @brief Container for other views, anything that draws.
- *
- * $LicenseInfo:firstyear=2001&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
- * $/LicenseInfo$
- */
-
-#include "linden_common.h"
-
-#define LLVIEW_CPP
-#include "llview.h"
-
-#include <sstream>
-#include <boost/tokenizer.hpp>
-#include <boost/bind.hpp>
-
-#include "llrender.h"
-#include "llevent.h"
-#include "llfocusmgr.h"
-#include "llrect.h"
-#include "llstl.h"
-#include "llui.h"
-#include "lluictrl.h"
-#include "llwindow.h"
-#include "v3color.h"
-#include "lluictrlfactory.h"
-#include "lltooltip.h"
-#include "llsdutil.h"
-#include "llsdserialize.h"
-#include "llviewereventrecorder.h"
-#include "llkeyboard.h"
-// for ui edit hack
-#include "llbutton.h"
-#include "lllineeditor.h"
-#include "lltexteditor.h"
-#include "lltextbox.h"
-
-static const S32 LINE_HEIGHT = 15;
-
-S32 LLView::sDepth = 0;
-bool LLView::sDebugRects = false;
-bool LLView::sDebugUnicode = false;
-bool LLView::sDebugCamera = false;
-bool LLView::sIsRectDirty = false;
-LLRect LLView::sDirtyRect;
-bool LLView::sDebugRectsShowNames = true;
-bool LLView::sDebugKeys = false;
-bool LLView::sDebugMouseHandling = false;
-std::string LLView::sMouseHandlerMessage;
-bool LLView::sForceReshape = false;
-std::set<LLView*> LLView::sPreviewHighlightedElements;
-bool LLView::sHighlightingDiffs = false;
-LLView* LLView::sPreviewClickedElement = NULL;
-bool LLView::sDrawPreviewHighlights = false;
-S32 LLView::sLastLeftXML = S32_MIN;
-S32 LLView::sLastBottomXML = S32_MIN;
-std::vector<LLViewDrawContext*> LLViewDrawContext::sDrawContextStack;
-
-LLView::DrilldownFunc LLView::sDrilldown =
- boost::bind(&LLView::pointInView, _1, _2, _3, HIT_TEST_USE_BOUNDING_RECT);
-
-//#if LL_DEBUG
-bool LLView::sIsDrawing = false;
-//#endif
-
-// Compiler optimization, generate extern template
-template class LLView* LLView::getChild<class LLView>(
- const std::string& name, bool recurse) const;
-
-static LLDefaultChildRegistry::Register<LLView> r("view");
-
-void deleteView(LLView *aView)
-{
- delete aView;
-}
-
-namespace LLInitParam
-{
- void TypeValues<LLView::EOrientation>::declareValues()
- {
- declare("horizontal", LLView::HORIZONTAL);
- declare("vertical", LLView::VERTICAL);
- }
-}
-
-
-LLView::Follows::Follows()
-: string(""),
- flags("flags", FOLLOWS_LEFT | FOLLOWS_TOP)
-{}
-
-LLView::Params::Params()
-: name("name", std::string("unnamed")),
- enabled("enabled", true),
- visible("visible", true),
- mouse_opaque("mouse_opaque", true),
- follows("follows"),
- hover_cursor("hover_cursor", "UI_CURSOR_ARROW"),
- use_bounding_rect("use_bounding_rect", false),
- tab_group("tab_group", 0),
- default_tab_group("default_tab_group"),
- tool_tip("tool_tip"),
- sound_flags("sound_flags", MOUSE_UP),
- layout("layout"),
- rect("rect"),
- bottom_delta("bottom_delta", S32_MAX),
- top_pad("top_pad"),
- top_delta("top_delta", S32_MAX),
- left_pad("left_pad"),
- left_delta("left_delta", S32_MAX),
- from_xui("from_xui", false),
- focus_root("focus_root", false),
- needs_translate("translate"),
- xmlns("xmlns"),
- xmlns_xsi("xmlns:xsi"),
- xsi_schemaLocation("xsi:schemaLocation"),
- xsi_type("xsi:type")
-
-{
- addSynonym(rect, "");
-}
-
-LLView::LLView(const LLView::Params& p)
-: mVisible(p.visible),
- mInDraw(false),
- mName(p.name),
- mParentView(NULL),
- mReshapeFlags(FOLLOWS_NONE),
- mFromXUI(p.from_xui),
- mIsFocusRoot(p.focus_root),
- mLastVisible(false),
- mHoverCursor(getCursorFromString(p.hover_cursor)),
- mEnabled(p.enabled),
- mMouseOpaque(p.mouse_opaque),
- mSoundFlags(p.sound_flags),
- mUseBoundingRect(p.use_bounding_rect),
- mDefaultTabGroup(p.default_tab_group),
- mLastTabGroup(0),
- mToolTipMsg((LLStringExplicit)p.tool_tip()),
- mDefaultWidgets(NULL)
-{
- // create rect first, as this will supply initial follows flags
- setShape(p.rect);
- parseFollowsFlags(p);
-}
-
-LLView::~LLView()
-{
- dirtyRect();
- //LL_INFOS() << "Deleting view " << mName << ":" << (void*) this << LL_ENDL;
- if (LLView::sIsDrawing)
- {
- LL_DEBUGS() << "Deleting view " << mName << " during UI draw() phase" << LL_ENDL;
- }
-// llassert(LLView::sIsDrawing == false);
-
-// llassert_always(sDepth == 0); // avoid deleting views while drawing! It can subtly break list iterators
-
- if( hasMouseCapture() )
- {
- //LL_WARNS() << "View holding mouse capture deleted: " << getName() << ". Mouse capture removed." << LL_ENDL;
- gFocusMgr.removeMouseCaptureWithoutCallback( this );
- }
-
- deleteAllChildren();
-
- if (mParentView != NULL)
- {
- mParentView->removeChild(this);
- }
-
- if (mDefaultWidgets)
- {
- delete mDefaultWidgets;
- mDefaultWidgets = NULL;
- }
-}
-
-// virtual
-bool LLView::isCtrl() const
-{
- return false;
-}
-
-// virtual
-bool LLView::isPanel() const
-{
- return false;
-}
-
-void LLView::setToolTip(const LLStringExplicit& msg)
-{
- mToolTipMsg = msg;
-}
-
-bool LLView::setToolTipArg(const LLStringExplicit& key, const LLStringExplicit& text)
-{
- mToolTipMsg.setArg(key, text);
- return true;
-}
-
-void LLView::setToolTipArgs( const LLStringUtil::format_map_t& args )
-{
- mToolTipMsg.setArgList(args);
-}
-
-// virtual
-void LLView::setRect(const LLRect& rect)
-{
- mRect = rect;
- updateBoundingRect();
-}
-
-void LLView::setUseBoundingRect( bool use_bounding_rect )
-{
- if (mUseBoundingRect != use_bounding_rect)
- {
- mUseBoundingRect = use_bounding_rect;
- updateBoundingRect();
- }
-}
-
-bool LLView::getUseBoundingRect() const
-{
- return mUseBoundingRect;
-}
-
-// virtual
-const std::string& LLView::getName() const
-{
- static std::string no_name("(no name)");
-
- return mName.empty() ? no_name : mName;
-}
-
-void LLView::sendChildToFront(LLView* child)
-{
-// llassert_always(sDepth == 0); // Avoid re-ordering while drawing; it can cause subtle iterator bugs
- if (child && child->getParent() == this)
- {
- // minor optimization, but more importantly,
- // won't temporarily create an empty list
- if (child != mChildList.front())
- {
- mChildList.remove( child );
- mChildList.push_front(child);
- }
- }
-}
-
-void LLView::sendChildToBack(LLView* child)
-{
-// llassert_always(sDepth == 0); // Avoid re-ordering while drawing; it can cause subtle iterator bugs
- if (child && child->getParent() == this)
- {
- // minor optimization, but more importantly,
- // won't temporarily create an empty list
- if (child != mChildList.back())
- {
- mChildList.remove( child );
- mChildList.push_back(child);
- }
- }
-}
-
-// virtual
-bool LLView::addChild(LLView* child, S32 tab_group)
-{
- if (!child)
- {
- return false;
- }
-
- if (this == child)
- {
- LL_ERRS() << "Adding view " << child->getName() << " as child of itself" << LL_ENDL;
- }
-
- // remove from current parent
- if (child->mParentView)
- {
- child->mParentView->removeChild(child);
- }
-
- // add to front of child list, as normal
- mChildList.push_front(child);
-
- // add to tab order list
- if (tab_group != 0)
- {
- mTabOrder.insert(tab_order_pair_t(child, tab_group));
- }
-
- child->mParentView = this;
- if (getVisible() && child->getVisible())
- {
- // if child isn't visible it won't affect bounding rect
- // if current view is not visible it will be recalculated
- // on visibility change
- updateBoundingRect();
- }
- mLastTabGroup = tab_group;
- return true;
-}
-
-
-bool LLView::addChildInBack(LLView* child, S32 tab_group)
-{
- if(addChild(child, tab_group))
- {
- sendChildToBack(child);
- return true;
- }
-
- return false;
-}
-
-// remove the specified child from the view, and set it's parent to NULL.
-void LLView::removeChild(LLView* child)
-{
- //llassert_always(sDepth == 0); // Avoid re-ordering while drawing; it can cause subtle iterator bugs
- if (child->mParentView == this)
- {
- // if we are removing an item we are currently iterating over, that would be bad
- llassert(!child->mInDraw);
- mChildList.remove( child );
- child->mParentView = NULL;
- child_tab_order_t::iterator found = mTabOrder.find(child);
- if (found != mTabOrder.end())
- {
- mTabOrder.erase(found);
- }
- }
- else
- {
- LL_WARNS() << "\"" << child->getName() << "\" is not a child of " << getName() << LL_ENDL;
- }
- updateBoundingRect();
-}
-
-bool LLView::isInVisibleChain() const
-{
- bool visible = true;
-
- const LLView* viewp = this;
- while(viewp)
- {
- if (!viewp->getVisible())
- {
- visible = false;
- break;
- }
- viewp = viewp->getParent();
- }
-
- return visible;
-}
-
-bool LLView::isInEnabledChain() const
-{
- bool enabled = true;
-
- const LLView* viewp = this;
- while(viewp)
- {
- if (!viewp->getEnabled())
- {
- enabled = false;
- break;
- }
- viewp = viewp->getParent();
- }
-
- return enabled;
-}
-
-static void buildPathname(std::ostream& out, const LLView* view)
-{
- if (! (view && view->getParent()))
- {
- return; // Don't include root in the path.
- }
-
- buildPathname(out, view->getParent());
-
- // Build pathname into ostream on the way back from recursion.
- out << '/';
-
- // substitute all '/' in name with appropriate code
- std::string name = view->getName();
- std::size_t found = name.find('/');
- std::size_t start = 0;
- while (found != std::string::npos)
- {
- std::size_t sub_len = found - start;
- if (sub_len > 0)
- {
- out << name.substr(start, sub_len);
- }
- out << "%2F";
- start = found + 1;
- found = name.find('/', start);
- }
- if (start < name.size())
- {
- out << name.substr(start, name.size() - start);
- }
-}
-
-std::string LLView::getPathname() const
-{
- std::ostringstream out;
- buildPathname(out, this);
- return out.str();
-}
-
-//static
-std::string LLView::getPathname(const LLView* view)
-{
- if (! view)
- {
- return "NULL";
- }
- return view->getPathname();
-}
-
-// virtual
-bool LLView::canFocusChildren() const
-{
- return true;
-}
-
-//virtual
-void LLView::setEnabled(bool enabled)
-{
- mEnabled = enabled;
-}
-
-//virtual
-bool LLView::isAvailable() const
-{
- return isInEnabledChain() && isInVisibleChain();
-}
-
-//static
-bool LLView::isAvailable(const LLView* view)
-{
- return view && view->isAvailable();
-}
-
-//virtual
-bool LLView::setLabelArg( const std::string& key, const LLStringExplicit& text )
-{
- return false;
-}
-
-//virtual
-LLRect LLView::getSnapRect() const
-{
- return mRect;
-}
-
-//virtual
-LLRect LLView::getRequiredRect()
-{
- return mRect;
-}
-
-bool LLView::focusNextRoot()
-{
- LLView::child_list_t result = LLView::getFocusRootsQuery().run(this);
- return LLView::focusNext(result);
-}
-
-bool LLView::focusPrevRoot()
-{
- LLView::child_list_t result = LLView::getFocusRootsQuery().run(this);
- return LLView::focusPrev(result);
-}
-
-// static
-bool LLView::focusNext(LLView::child_list_t & result)
-{
- LLView::child_list_reverse_iter_t focused = result.rend();
- for(LLView::child_list_reverse_iter_t iter = result.rbegin();
- iter != result.rend();
- ++iter)
- {
- if(gFocusMgr.childHasKeyboardFocus(*iter))
- {
- focused = iter;
- break;
- }
- }
- LLView::child_list_reverse_iter_t next = focused;
- next = (next == result.rend()) ? result.rbegin() : ++next;
- while(next != focused)
- {
- // wrap around to beginning if necessary
- if(next == result.rend())
- {
- next = result.rbegin();
- }
- if ((*next)->isCtrl() && ((LLUICtrl*)*next)->hasTabStop())
- {
- LLUICtrl * ctrl = static_cast<LLUICtrl*>(*next);
- ctrl->setFocus(true);
- ctrl->onTabInto();
- gFocusMgr.triggerFocusFlash();
- return true;
- }
- ++next;
- }
- return false;
-}
-
-// static
-bool LLView::focusPrev(LLView::child_list_t & result)
-{
- LLView::child_list_iter_t focused = result.end();
- for(LLView::child_list_iter_t iter = result.begin();
- iter != result.end();
- ++iter)
- {
- if(gFocusMgr.childHasKeyboardFocus(*iter))
- {
- focused = iter;
- break;
- }
- }
- LLView::child_list_iter_t next = focused;
- next = (next == result.end()) ? result.begin() : ++next;
- while(next != focused)
- {
- // wrap around to beginning if necessary
- if(next == result.end())
- {
- next = result.begin();
- }
- if((*next)->isCtrl())
- {
- LLUICtrl * ctrl = static_cast<LLUICtrl*>(*next);
- if (!ctrl->hasFocus())
- {
- ctrl->setFocus(true);
- ctrl->onTabInto();
- gFocusMgr.triggerFocusFlash();
- }
- return true;
- }
- ++next;
- }
- return false;
-}
-
-// delete all children. Override this function if you need to
-// perform any extra clean up such as cached pointers to selected
-// children, etc.
-void LLView::deleteAllChildren()
-{
- // clear out the control ordering
- mTabOrder.clear();
-
- while (!mChildList.empty())
- {
- LLView* viewp = mChildList.front();
- viewp->mParentView = NULL;
- delete viewp;
- mChildList.pop_front();
- }
- updateBoundingRect();
-}
-
-void LLView::setAllChildrenEnabled(bool b)
-{
- for (LLView* viewp : mChildList)
- {
- viewp->setEnabled(b);
- }
-}
-
-// virtual
-void LLView::setVisible(bool visible)
-{
- if ( mVisible != visible )
- {
- mVisible = visible;
-
- // notify children of visibility change if root, or part of visible hierarchy
- if (!getParent() || getParent()->isInVisibleChain())
- {
- // tell all children of this view that the visibility may have changed
- dirtyRect();
- onVisibilityChange( visible );
- }
- updateBoundingRect();
- }
-}
-
-// virtual
-void LLView::onVisibilityChange ( bool new_visibility )
-{
- bool old_visibility;
- bool log_visibility_change = LLViewerEventRecorder::instance().getLoggingStatus();
- for (LLView* viewp : mChildList)
- {
- if (!viewp)
- {
- continue;
- }
-
- // only views that are themselves visible will have their overall visibility affected by their ancestors
- old_visibility=viewp->getVisible();
-
- if(log_visibility_change)
- {
- if (old_visibility!=new_visibility)
- {
- LLViewerEventRecorder::instance().logVisibilityChange( viewp->getPathname(), viewp->getName(), new_visibility,"widget");
- }
- }
-
- if (old_visibility)
- {
- viewp->onVisibilityChange ( new_visibility );
- }
-
- if(log_visibility_change)
- {
- // Consider changing returns to confirm success and know which widget grabbed it
- // For now assume success and log at highest xui possible
- // NOTE we log actual state - which may differ if it somehow failed to set visibility
- LL_DEBUGS() << "LLView::handleVisibilityChange - now: " << getVisible() << " xui: " << viewp->getPathname() << " name: " << viewp->getName() << LL_ENDL;
-
- }
- }
-}
-
-// virtual
-void LLView::onUpdateScrollToChild(const LLUICtrl * cntrl)
-{
- LLView* parent_view = getParent();
- if (parent_view)
- {
- parent_view->onUpdateScrollToChild(cntrl);
- }
-}
-
-// virtual
-void LLView::translate(S32 x, S32 y)
-{
- mRect.translate(x, y);
- updateBoundingRect();
-}
-
-// virtual
-bool LLView::canSnapTo(const LLView* other_view)
-{
- return other_view != this && other_view->getVisible();
-}
-
-// virtual
-void LLView::setSnappedTo(const LLView* snap_view)
-{
-}
-
-bool LLView::handleHover(S32 x, S32 y, MASK mask)
-{
- return childrenHandleHover( x, y, mask ) != NULL;
-}
-
-void LLView::onMouseEnter(S32 x, S32 y, MASK mask)
-{
- //LL_INFOS() << "Mouse entered " << getName() << LL_ENDL;
-}
-
-void LLView::onMouseLeave(S32 x, S32 y, MASK mask)
-{
- //LL_INFOS() << "Mouse left " << getName() << LL_ENDL;
-}
-
-bool LLView::visibleAndContains(S32 local_x, S32 local_y)
-{
- return sDrilldown(this, local_x, local_y)
- && getVisible();
-}
-
-bool LLView::visibleEnabledAndContains(S32 local_x, S32 local_y)
-{
- return visibleAndContains(local_x, local_y)
- && getEnabled();
-}
-
-// This is NOT event recording related
-void LLView::logMouseEvent()
-{
- if (sDebugMouseHandling)
- {
- sMouseHandlerMessage = std::string("/") + mName + sMouseHandlerMessage;
- }
-}
-
-template <typename METHOD, typename CHARTYPE>
-LLView* LLView::childrenHandleCharEvent(const std::string& desc, const METHOD& method,
- CHARTYPE c, MASK mask)
-{
- if ( getVisible() && getEnabled() )
- {
- for (LLView* viewp : mChildList)
- {
- if ((viewp->*method)(c, mask, true))
- {
- if (LLView::sDebugKeys)
- {
- LL_INFOS() << desc << " handled by " << viewp->getName() << LL_ENDL;
- }
- return viewp;
- }
- }
- }
- return NULL;
-}
-
-// XDATA might be MASK, or S32 clicks
-template <typename METHOD, typename XDATA>
-LLView* LLView::childrenHandleMouseEvent(const METHOD& method, S32 x, S32 y, XDATA extra, bool allow_mouse_block)
-{
- for (LLView* viewp : mChildList)
- {
- S32 local_x = x - viewp->getRect().mLeft;
- S32 local_y = y - viewp->getRect().mBottom;
-
- if (!viewp->visibleEnabledAndContains(local_x, local_y))
- {
- continue;
- }
-
- if ((viewp->*method)( local_x, local_y, extra )
- || (allow_mouse_block && viewp->blockMouseEvent( local_x, local_y )))
- {
- LL_DEBUGS() << "LLView::childrenHandleMouseEvent calling updatemouseeventinfo - local_x|global x "<< local_x << " " << x << "local/global y " << local_y << " " << y << LL_ENDL;
- LL_DEBUGS() << "LLView::childrenHandleMouseEvent getPathname for viewp result: " << viewp->getPathname() << "for this view: " << getPathname() << LL_ENDL;
-
- LLViewerEventRecorder::instance().updateMouseEventInfo(x,y,-55,-55,getPathname());
-
- // This is NOT event recording related
- viewp->logMouseEvent();
-
- return viewp;
- }
- }
- return NULL;
-}
-
-LLView* LLView::childrenHandleToolTip(S32 x, S32 y, MASK mask)
-{
- for (LLView* viewp : mChildList)
- {
- S32 local_x = x - viewp->getRect().mLeft;
- S32 local_y = y - viewp->getRect().mBottom;
- // Differs from childrenHandleMouseEvent() in that we want to offer
- // tooltips even for disabled widgets.
- if(!viewp->visibleAndContains(local_x, local_y))
- {
- continue;
- }
-
- if (viewp->handleToolTip(local_x, local_y, mask)
- || viewp->blockMouseEvent(local_x, local_y))
- {
- // This is NOT event recording related
- viewp->logMouseEvent();
- return viewp;
- }
- }
- return NULL;
-}
-
-LLView* LLView::childrenHandleDragAndDrop(S32 x, S32 y, MASK mask,
- bool drop,
- EDragAndDropType cargo_type,
- void* cargo_data,
- EAcceptance* accept,
- std::string& tooltip_msg)
-{
- // default to not accepting drag and drop, will be overridden by handler
- *accept = ACCEPT_NO;
-
- for (LLView* viewp : mChildList)
- {
- S32 local_x = x - viewp->getRect().mLeft;
- S32 local_y = y - viewp->getRect().mBottom;
- if( !viewp->visibleEnabledAndContains(local_x, local_y))
- {
- continue;
- }
-
- // Differs from childrenHandleMouseEvent() simply in that this virtual
- // method call diverges pretty radically from the usual (x, y, int).
- if (viewp->handleDragAndDrop(local_x, local_y, mask, drop,
- cargo_type,
- cargo_data,
- accept,
- tooltip_msg)
- || viewp->blockMouseEvent(local_x, local_y))
- {
- return viewp;
- }
- }
- return NULL;
-}
-
-LLView* LLView::childrenHandleHover(S32 x, S32 y, MASK mask)
-{
- for (LLView* viewp : mChildList)
- {
- S32 local_x = x - viewp->getRect().mLeft;
- S32 local_y = y - viewp->getRect().mBottom;
- if(!viewp->visibleEnabledAndContains(local_x, local_y))
- {
- continue;
- }
-
- // This call differentiates this method from childrenHandleMouseEvent().
- LLUI::getInstance()->mWindow->setCursor(viewp->getHoverCursor());
-
- if (viewp->handleHover(local_x, local_y, mask)
- || viewp->blockMouseEvent(local_x, local_y))
- {
- // This is NOT event recording related
- viewp->logMouseEvent();
- return viewp;
- }
- }
- return NULL;
-}
-
-LLView* LLView::childFromPoint(S32 x, S32 y, bool recur)
-{
- if (!getVisible())
- return NULL;
-
- for (LLView* viewp : mChildList)
- {
- S32 local_x = x - viewp->getRect().mLeft;
- S32 local_y = y - viewp->getRect().mBottom;
- if (!viewp->visibleAndContains(local_x, local_y))
- {
- continue;
- }
- // Here we've found the first (frontmost) visible child at this level
- // containing the specified point. Is the caller asking us to drill
- // down and return the innermost leaf child at this point, or just the
- // top-level child?
- if (recur)
- {
- LLView* leaf(viewp->childFromPoint(local_x, local_y, recur));
- // Maybe viewp is already a leaf LLView, or maybe it has children
- // but this particular (x, y) point falls between them. If the
- // recursive call returns non-NULL, great, use that; else just use
- // viewp.
- return leaf? leaf : viewp;
- }
- return viewp;
-
- }
- return 0;
-}
-
-F32 LLView::getTooltipTimeout()
-{
- static LLCachedControl<F32> tooltip_fast_delay(*LLUI::getInstance()->mSettingGroups["config"], "ToolTipFastDelay", 0.1f);
- static LLCachedControl<F32> tooltip_delay(*LLUI::getInstance()->mSettingGroups["config"], "ToolTipDelay", 0.7f);
- // allow "scrubbing" over ui by showing next tooltip immediately
- // if previous one was still visible
- return (F32)(LLToolTipMgr::instance().toolTipVisible()
- ? tooltip_fast_delay
- : tooltip_delay);
-}
-
-// virtual
-const std::string LLView::getToolTip() const
-{
- if (sDebugUnicode)
- {
- std::string text = getText();
- if (!text.empty())
- {
- const std::string& name = getName();
- std::string tooltip = llformat("Name: \"%s\"", name.c_str());
-
- if (const LLFontGL* font = getFont())
- {
- tooltip += llformat("\nFont: %s (%s)",
- font->getFontDesc().getName().c_str(),
- font->getFontDesc().getSize().c_str()
- );
- }
-
- tooltip += "\n\n" + utf8str_showBytesUTF8(text);
-
- return tooltip;
- }
- }
-
- return mToolTipMsg.getString();
-}
-
-bool LLView::handleToolTip(S32 x, S32 y, MASK mask)
-{
- bool handled = false;
-
- // parents provide tooltips first, which are optionally
- // overridden by children, in case child is mouse_opaque
- std::string tooltip = getToolTip();
- if (!tooltip.empty())
- {
- static LLCachedControl<bool> allow_ui_tooltips(*LLUI::getInstance()->mSettingGroups["config"], "BasicUITooltips", true);
-
- // Even if we don't show tooltips, consume the event, nothing below should show tooltip
- if (allow_ui_tooltips)
- {
- LLToolTipMgr::instance().show(LLToolTip::Params()
- .message(tooltip)
- .sticky_rect(calcScreenRect())
- .delay_time(getTooltipTimeout()));
- }
- handled = true;
- }
-
- // child tooltips will override our own
- LLView* child_handler = childrenHandleToolTip(x, y, mask);
- if (child_handler)
- {
- handled = true;
- }
-
- return handled;
-}
-
-bool LLView::handleKey(KEY key, MASK mask, bool called_from_parent)
-{
- bool handled = false;
-
- if (getVisible() && getEnabled())
- {
- if( called_from_parent )
- {
- // Downward traversal
- handled = childrenHandleKey( key, mask ) != NULL;
- }
-
- if (!handled)
- {
- // For event logging we don't care which widget handles it
- // So we capture the key at the end of this function once we know if it was handled
- handled = handleKeyHere( key, mask );
- if (handled)
- {
- LL_DEBUGS() << "Key handled by " << getName() << LL_ENDL;
- }
- }
- }
-
- if( !handled && !called_from_parent && mParentView)
- {
- // Upward traversal
- handled = mParentView->handleKey( key, mask, false );
- }
- return handled;
-}
-
-bool LLView::handleKeyUp(KEY key, MASK mask, bool called_from_parent)
-{
- bool handled = false;
-
- if (getVisible() && getEnabled())
- {
- if (called_from_parent)
- {
- // Downward traversal
- handled = childrenHandleKeyUp(key, mask) != NULL;
- }
-
- if (!handled)
- {
- // For event logging we don't care which widget handles it
- // So we capture the key at the end of this function once we know if it was handled
- handled = handleKeyUpHere(key, mask);
- if (handled)
- {
- LL_DEBUGS() << "Key handled by " << getName() << LL_ENDL;
- }
- }
- }
-
- if (!handled && !called_from_parent && mParentView)
- {
- // Upward traversal
- handled = mParentView->handleKeyUp(key, mask, false);
- }
- return handled;
-}
-
-// Called from handleKey()
-// Handles key in this object. Checking parents and children happens in handleKey()
-bool LLView::handleKeyHere(KEY key, MASK mask)
-{
- return false;
-}
-
-// Called from handleKey()
-// Handles key in this object. Checking parents and children happens in handleKey()
-bool LLView::handleKeyUpHere(KEY key, MASK mask)
-{
- return false;
-}
-
-bool LLView::handleUnicodeChar(llwchar uni_char, bool called_from_parent)
-{
- bool handled = false;
-
- if (getVisible() && getEnabled())
- {
- if( called_from_parent )
- {
- // Downward traversal
- handled = childrenHandleUnicodeChar( uni_char ) != NULL;
- }
-
- if (!handled)
- {
- handled = handleUnicodeCharHere(uni_char);
- if (handled && LLView::sDebugKeys)
- {
- LL_INFOS() << "Unicode key " << wchar_utf8_preview(uni_char) << " is handled by " << getName() << LL_ENDL;
- }
- }
- }
-
- if (!handled && !called_from_parent && mParentView)
- {
- // Upward traversal
- handled = mParentView->handleUnicodeChar(uni_char, false);
- }
-
- if (handled)
- {
- LLViewerEventRecorder::instance().logKeyUnicodeEvent(uni_char);
- }
-
- return handled;
-}
-
-
-bool LLView::handleUnicodeCharHere(llwchar uni_char )
-{
- return false;
-}
-
-
-bool LLView::handleDragAndDrop(S32 x, S32 y, MASK mask, bool drop,
- EDragAndDropType cargo_type, void* cargo_data,
- EAcceptance* accept,
- std::string& tooltip_msg)
-{
- return childrenHandleDragAndDrop( x, y, mask, drop, cargo_type, cargo_data, accept, tooltip_msg) != NULL;
-}
-
-void LLView::onMouseCaptureLost()
-{
-}
-
-bool LLView::hasMouseCapture()
-{
- return gFocusMgr.getMouseCapture() == this;
-}
-
-bool LLView::handleMouseUp(S32 x, S32 y, MASK mask)
-{
- LLView* r = childrenHandleMouseUp( x, y, mask );
-
- return (r!=NULL);
-}
-
-bool LLView::handleMouseDown(S32 x, S32 y, MASK mask)
-{
- LLView* r= childrenHandleMouseDown(x, y, mask );
-
- return (r!=NULL);
-}
-
-bool LLView::handleDoubleClick(S32 x, S32 y, MASK mask)
-{
- return childrenHandleDoubleClick( x, y, mask ) != NULL;
-}
-
-bool LLView::handleScrollWheel(S32 x, S32 y, S32 clicks)
-{
- return childrenHandleScrollWheel( x, y, clicks ) != NULL;
-}
-
-bool LLView::handleScrollHWheel(S32 x, S32 y, S32 clicks)
-{
- return childrenHandleScrollHWheel( x, y, clicks ) != NULL;
-}
-
-bool LLView::handleRightMouseDown(S32 x, S32 y, MASK mask)
-{
- return childrenHandleRightMouseDown( x, y, mask ) != NULL;
-}
-
-bool LLView::handleRightMouseUp(S32 x, S32 y, MASK mask)
-{
- return childrenHandleRightMouseUp( x, y, mask ) != NULL;
-}
-
-bool LLView::handleMiddleMouseDown(S32 x, S32 y, MASK mask)
-{
- return childrenHandleMiddleMouseDown( x, y, mask ) != NULL;
-}
-
-bool LLView::handleMiddleMouseUp(S32 x, S32 y, MASK mask)
-{
- return childrenHandleMiddleMouseUp( x, y, mask ) != NULL;
-}
-
-LLView* LLView::childrenHandleScrollWheel(S32 x, S32 y, S32 clicks)
-{
- return childrenHandleMouseEvent(&LLView::handleScrollWheel, x, y, clicks, false);
-}
-
-LLView* LLView::childrenHandleScrollHWheel(S32 x, S32 y, S32 clicks)
-{
- return childrenHandleMouseEvent(&LLView::handleScrollHWheel, x, y, clicks, false);
-}
-
-// Called during downward traversal
-LLView* LLView::childrenHandleKey(KEY key, MASK mask)
-{
- return childrenHandleCharEvent("Key", &LLView::handleKey, key, mask);
-}
-
-// Called during downward traversal
-LLView* LLView::childrenHandleKeyUp(KEY key, MASK mask)
-{
- return childrenHandleCharEvent("Key Up", &LLView::handleKeyUp, key, mask);
-}
-
-// Called during downward traversal
-LLView* LLView::childrenHandleUnicodeChar(llwchar uni_char)
-{
- return childrenHandleCharEvent("Unicode character", &LLView::handleUnicodeCharWithDummyMask,
- uni_char, MASK_NONE);
-}
-
-LLView* LLView::childrenHandleMouseDown(S32 x, S32 y, MASK mask)
-{
- return childrenHandleMouseEvent(&LLView::handleMouseDown, x, y, mask);
-}
-
-LLView* LLView::childrenHandleRightMouseDown(S32 x, S32 y, MASK mask)
-{
- return childrenHandleMouseEvent(&LLView::handleRightMouseDown, x, y, mask);
-}
-
-LLView* LLView::childrenHandleMiddleMouseDown(S32 x, S32 y, MASK mask)
-{
- return childrenHandleMouseEvent(&LLView::handleMiddleMouseDown, x, y, mask);
-}
-
-LLView* LLView::childrenHandleDoubleClick(S32 x, S32 y, MASK mask)
-{
- return childrenHandleMouseEvent(&LLView::handleDoubleClick, x, y, mask);
-}
-
-LLView* LLView::childrenHandleMouseUp(S32 x, S32 y, MASK mask)
-{
- return childrenHandleMouseEvent(&LLView::handleMouseUp, x, y, mask);
-}
-
-LLView* LLView::childrenHandleRightMouseUp(S32 x, S32 y, MASK mask)
-{
- return childrenHandleMouseEvent(&LLView::handleRightMouseUp, x, y, mask);
-}
-
-LLView* LLView::childrenHandleMiddleMouseUp(S32 x, S32 y, MASK mask)
-{
- return childrenHandleMouseEvent(&LLView::handleMiddleMouseUp, x, y, mask);
-}
-
-void LLView::draw()
-{
- drawChildren();
-}
-
-void LLView::drawChildren()
-{
- if (!mChildList.empty())
- {
- LLView* rootp = LLUI::getInstance()->getRootView();
- ++sDepth;
-
- for (child_list_reverse_iter_t child_iter = mChildList.rbegin(); child_iter != mChildList.rend();) // ++child_iter)
- {
- child_list_reverse_iter_t child = child_iter++;
- LLView *viewp = *child;
-
- if (viewp == NULL)
- {
- continue;
- }
-
- if (viewp->getVisible() && viewp->getRect().isValid())
- {
- LLRect screen_rect = viewp->calcScreenRect();
- if ( rootp->getLocalRect().overlaps(screen_rect) && sDirtyRect.overlaps(screen_rect))
- {
- LLUI::pushMatrix();
- {
- LLUI::translate((F32)viewp->getRect().mLeft, (F32)viewp->getRect().mBottom);
- // flag the fact we are in draw here, in case overridden draw() method attempts to remove this widget
- viewp->mInDraw = true;
- viewp->draw();
- viewp->mInDraw = false;
-
- if (sDebugRects)
- {
- viewp->drawDebugRect();
-
- // Check for bogus rectangle
- if (!getRect().isValid())
- {
- LL_WARNS() << "Bogus rectangle for " << getName() << " with " << mRect << LL_ENDL;
- }
- }
- }
- LLUI::popMatrix();
- }
- }
-
- }
- --sDepth;
- }
-}
-
-void LLView::dirtyRect()
-{
- LLView* child = getParent();
- LLView* parent = child ? child->getParent() : NULL;
- LLView* cur = this;
- while (child && parent && parent->getParent())
- { //find third to top-most view
- cur = child;
- child = parent;
- parent = parent->getParent();
- }
-
- if (!sIsRectDirty)
- {
- sDirtyRect = cur->calcScreenRect();
- sIsRectDirty = true;
- }
- else
- {
- sDirtyRect.unionWith(cur->calcScreenRect());
- }
-}
-
-//Draw a box for debugging.
-void LLView::drawDebugRect()
-{
- std::set<LLView*>::iterator preview_iter = std::find(sPreviewHighlightedElements.begin(), sPreviewHighlightedElements.end(), this); // figure out if it's a previewed element
-
- LLUI::pushMatrix();
- {
- // drawing solids requires texturing be disabled
- gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-
- if (getUseBoundingRect())
- {
- LLUI::translate((F32)mBoundingRect.mLeft - (F32)mRect.mLeft, (F32)mBoundingRect.mBottom - (F32)mRect.mBottom);
- }
-
- LLRect debug_rect = getUseBoundingRect() ? mBoundingRect : mRect;
-
- // draw red rectangle for the border
- LLColor4 border_color(0.25f, 0.25f, 0.25f, 1.f);
- if(preview_iter != sPreviewHighlightedElements.end())
- {
- if(LLView::sPreviewClickedElement && this == sPreviewClickedElement)
- {
- border_color = LLColor4::red;
- }
- else
- {
- static LLUIColor scroll_highlighted_color = LLUIColorTable::instance().getColor("ScrollHighlightedColor");
- border_color = scroll_highlighted_color;
- }
- }
- else
- {
- border_color.mV[sDepth%3] = 1.f;
- }
-
- gGL.color4fv( border_color.mV );
-
- gGL.begin(LLRender::LINES);
- gGL.vertex2i(0, debug_rect.getHeight() - 1);
- gGL.vertex2i(0, 0);
-
- gGL.vertex2i(0, 0);
- gGL.vertex2i(debug_rect.getWidth() - 1, 0);
-
- gGL.vertex2i(debug_rect.getWidth() - 1, 0);
- gGL.vertex2i(debug_rect.getWidth() - 1, debug_rect.getHeight() - 1);
-
- gGL.vertex2i(debug_rect.getWidth() - 1, debug_rect.getHeight() - 1);
- gGL.vertex2i(0, debug_rect.getHeight() - 1);
- gGL.end();
-
- // Draw the name if it's not a leaf node or not in editing or preview mode
- if (mChildList.size()
- && preview_iter == sPreviewHighlightedElements.end()
- && sDebugRectsShowNames)
- {
- S32 x, y;
- gGL.color4fv( border_color.mV );
-
- x = debug_rect.getWidth() / 2;
-
- S32 rect_height = debug_rect.getHeight();
- S32 lines = rect_height / LINE_HEIGHT + 1;
-
- S32 depth = 0;
- LLView * viewp = this;
- while (NULL != viewp)
- {
- viewp = viewp->getParent();
- depth++;
- }
-
- y = rect_height - LINE_HEIGHT * (depth % lines + 1);
-
- std::string debug_text = llformat("%s (%d x %d)", getName().c_str(),
- debug_rect.getWidth(), debug_rect.getHeight());
- LLFontGL::getFontSansSerifSmall()->renderUTF8(debug_text, 0, (F32)x, (F32)y, border_color,
- LLFontGL::HCENTER, LLFontGL::BASELINE, LLFontGL::NORMAL, LLFontGL::NO_SHADOW);
- }
- }
- LLUI::popMatrix();
-}
-
-void LLView::drawChild(LLView* childp, S32 x_offset, S32 y_offset, bool force_draw)
-{
- if (childp && childp->getParent() == this)
- {
- ++sDepth;
-
- if ((childp->getVisible() && childp->getRect().isValid())
- || force_draw)
- {
- gGL.matrixMode(LLRender::MM_MODELVIEW);
- LLUI::pushMatrix();
- {
- LLUI::translate((F32)childp->getRect().mLeft + x_offset, (F32)childp->getRect().mBottom + y_offset);
- childp->draw();
- }
- LLUI::popMatrix();
- }
-
- --sDepth;
- }
-}
-
-
-void LLView::reshape(S32 width, S32 height, bool called_from_parent)
-{
- // compute how much things changed and apply reshape logic to children
- S32 delta_width = width - getRect().getWidth();
- S32 delta_height = height - getRect().getHeight();
-
- if (delta_width || delta_height || sForceReshape)
- {
- // adjust our rectangle
- mRect.mRight = getRect().mLeft + width;
- mRect.mTop = getRect().mBottom + height;
-
- // move child views according to reshape flags
- for (LLView* viewp : mChildList)
- {
- if (viewp != NULL)
- {
- LLRect child_rect( viewp->mRect );
-
- if (viewp->followsRight() && viewp->followsLeft())
- {
- child_rect.mRight += delta_width;
- }
- else if (viewp->followsRight())
- {
- child_rect.mLeft += delta_width;
- child_rect.mRight += delta_width;
- }
- else if (viewp->followsLeft())
- {
- // left is 0, don't need to adjust coords
- }
- else
- {
- // BUG what to do when we don't follow anyone?
- // for now, same as followsLeft
- }
-
- if (viewp->followsTop() && viewp->followsBottom())
- {
- child_rect.mTop += delta_height;
- }
- else if (viewp->followsTop())
- {
- child_rect.mTop += delta_height;
- child_rect.mBottom += delta_height;
- }
- else if (viewp->followsBottom())
- {
- // bottom is 0, so don't need to adjust coords
- }
- else
- {
- // BUG what to do when we don't follow?
- // for now, same as bottom
- }
-
- S32 delta_x = child_rect.mLeft - viewp->getRect().mLeft;
- S32 delta_y = child_rect.mBottom - viewp->getRect().mBottom;
- viewp->translate( delta_x, delta_y );
- if (child_rect.getWidth() != viewp->getRect().getWidth()
- || child_rect.getHeight() != viewp->getRect().getHeight()
- || sForceReshape)
- {
- viewp->reshape(child_rect.getWidth(), child_rect.getHeight());
- }
- }
- }
- }
-
- if (!called_from_parent)
- {
- if (mParentView)
- {
- mParentView->reshape(mParentView->getRect().getWidth(), mParentView->getRect().getHeight(), false);
- }
- }
-
- updateBoundingRect();
-}
-
-LLRect LLView::calcBoundingRect()
-{
- LLRect local_bounding_rect = LLRect::null;
-
- for (LLView* childp : mChildList)
- {
- // ignore invisible and "top" children when calculating bounding rect
- // such as combobox popups
- if (!childp->getVisible() || childp == gFocusMgr.getTopCtrl())
- {
- continue;
- }
-
- LLRect child_bounding_rect = childp->getBoundingRect();
-
- if (local_bounding_rect.isEmpty())
- {
- // start out with bounding rect equal to first visible child's bounding rect
- local_bounding_rect = child_bounding_rect;
- }
- else
- {
- // accumulate non-null children rectangles
- if (!child_bounding_rect.isEmpty())
- {
- local_bounding_rect.unionWith(child_bounding_rect);
- }
- }
- }
-
- // convert to parent-relative coordinates
- local_bounding_rect.translate(mRect.mLeft, mRect.mBottom);
- return local_bounding_rect;
-}
-
-
-void LLView::updateBoundingRect()
-{
- if (isDead()) return;
-
- LLRect cur_rect = mBoundingRect;
-
- if (getUseBoundingRect())
- {
- mBoundingRect = calcBoundingRect();
- }
- else
- {
- mBoundingRect = mRect;
- }
-
- // give parent view a chance to resize, in case we just moved, for example
- if (getParent() && getParent()->getUseBoundingRect())
- {
- getParent()->updateBoundingRect();
- }
-
- if (mBoundingRect != cur_rect)
- {
- dirtyRect();
- }
-
-}
-
-LLRect LLView::calcScreenRect() const
-{
- LLRect screen_rect;
- localPointToScreen(0, 0, &screen_rect.mLeft, &screen_rect.mBottom);
- localPointToScreen(getRect().getWidth(), getRect().getHeight(), &screen_rect.mRight, &screen_rect.mTop);
- return screen_rect;
-}
-
-LLRect LLView::calcScreenBoundingRect() const
-{
- LLRect screen_rect;
- // get bounding rect, if used
- LLRect bounding_rect = getUseBoundingRect() ? mBoundingRect : mRect;
-
- // convert to local coordinates, as defined by mRect
- bounding_rect.translate(-mRect.mLeft, -mRect.mBottom);
-
- localPointToScreen(bounding_rect.mLeft, bounding_rect.mBottom, &screen_rect.mLeft, &screen_rect.mBottom);
- localPointToScreen(bounding_rect.mRight, bounding_rect.mTop, &screen_rect.mRight, &screen_rect.mTop);
- return screen_rect;
-}
-
-LLRect LLView::getLocalBoundingRect() const
-{
- LLRect local_bounding_rect = getBoundingRect();
- local_bounding_rect.translate(-mRect.mLeft, -mRect.mBottom);
-
- return local_bounding_rect;
-}
-
-
-LLRect LLView::getLocalRect() const
-{
- LLRect local_rect(0, getRect().getHeight(), getRect().getWidth(), 0);
- return local_rect;
-}
-
-LLRect LLView::getLocalSnapRect() const
-{
- LLRect local_snap_rect = getSnapRect();
- local_snap_rect.translate(-getRect().mLeft, -getRect().mBottom);
- return local_snap_rect;
-}
-
-bool LLView::hasAncestor(const LLView* parentp) const
-{
- if (!parentp)
- {
- return false;
- }
-
- LLView* viewp = getParent();
- while(viewp)
- {
- if (viewp == parentp)
- {
- return true;
- }
- viewp = viewp->getParent();
- }
-
- return false;
-}
-
-//-----------------------------------------------------------------------------
-
-bool LLView::childHasKeyboardFocus( const std::string& childname ) const
-{
- LLView *focus = dynamic_cast<LLView *>(gFocusMgr.getKeyboardFocus());
-
- while (focus != NULL)
- {
- if (focus->getName() == childname)
- {
- return true;
- }
-
- focus = focus->getParent();
- }
-
- return false;
-}
-
-//-----------------------------------------------------------------------------
-
-bool LLView::hasChild(const std::string& childname, bool recurse) const
-{
- return findChildView(childname, recurse) != NULL;
-}
-
-//-----------------------------------------------------------------------------
-// getChildView()
-//-----------------------------------------------------------------------------
-LLView* LLView::getChildView(const std::string& name, bool recurse) const
-{
- return getChild<LLView>(name, recurse);
-}
-
-LLView* LLView::findChildView(const std::string& name, bool recurse) const
-{
- LL_PROFILE_ZONE_SCOPED_CATEGORY_UI;
-
- // Look for direct children *first*
- for (LLView* childp : mChildList)
- {
- llassert(childp);
- if (childp->getName() == name)
- {
- return childp;
- }
- }
- if (recurse)
- {
- // Look inside each child as well.
- for (LLView* childp : mChildList)
- {
- llassert(childp);
- LLView* viewp = childp->findChildView(name, recurse);
- if ( viewp )
- {
- return viewp;
- }
- }
- }
- return NULL;
-}
-
-bool LLView::parentPointInView(S32 x, S32 y, EHitTestType type) const
-{
- return (getUseBoundingRect() && type == HIT_TEST_USE_BOUNDING_RECT)
- ? mBoundingRect.pointInRect( x, y )
- : mRect.pointInRect( x, y );
-}
-
-bool LLView::pointInView(S32 x, S32 y, EHitTestType type) const
-{
- return (getUseBoundingRect() && type == HIT_TEST_USE_BOUNDING_RECT)
- ? mBoundingRect.pointInRect( x + mRect.mLeft, y + mRect.mBottom )
- : mRect.localPointInRect( x, y );
-}
-
-bool LLView::blockMouseEvent(S32 x, S32 y) const
-{
- return mMouseOpaque && pointInView(x, y, HIT_TEST_IGNORE_BOUNDING_RECT);
-}
-
-// virtual
-void LLView::screenPointToLocal(S32 screen_x, S32 screen_y, S32* local_x, S32* local_y) const
-{
- *local_x = screen_x - getRect().mLeft;
- *local_y = screen_y - getRect().mBottom;
-
- const LLView* cur = this;
- while( cur->mParentView )
- {
- cur = cur->mParentView;
- *local_x -= cur->getRect().mLeft;
- *local_y -= cur->getRect().mBottom;
- }
-}
-
-void LLView::localPointToScreen(S32 local_x, S32 local_y, S32* screen_x, S32* screen_y) const
-{
- *screen_x = local_x;
- *screen_y = local_y;
-
- const LLView* cur = this;
- do
- {
- LLRect cur_rect = cur->getRect();
- *screen_x += cur_rect.mLeft;
- *screen_y += cur_rect.mBottom;
- cur = cur->mParentView;
- }
- while( cur );
-}
-
-void LLView::screenRectToLocal(const LLRect& screen, LLRect* local) const
-{
- *local = screen;
- local->translate( -getRect().mLeft, -getRect().mBottom );
-
- const LLView* cur = this;
- while( cur->mParentView )
- {
- cur = cur->mParentView;
- local->translate( -cur->getRect().mLeft, -cur->getRect().mBottom );
- }
-}
-
-void LLView::localRectToScreen(const LLRect& local, LLRect* screen) const
-{
- *screen = local;
- screen->translate( getRect().mLeft, getRect().mBottom );
-
- const LLView* cur = this;
- while( cur->mParentView )
- {
- cur = cur->mParentView;
- screen->translate( cur->getRect().mLeft, cur->getRect().mBottom );
- }
-}
-
-LLView* LLView::getRootView()
-{
- LLView* view = this;
- while( view->mParentView )
- {
- view = view->mParentView;
- }
- return view;
-}
-
-LLView* LLView::findPrevSibling(LLView* child)
-{
- child_list_t::iterator prev_it = std::find(mChildList.begin(), mChildList.end(), child);
- if (prev_it != mChildList.end() && prev_it != mChildList.begin())
- {
- return *(--prev_it);
- }
- return NULL;
-}
-
-LLView* LLView::findNextSibling(LLView* child)
-{
- child_list_t::iterator next_it = std::find(mChildList.begin(), mChildList.end(), child);
- if (next_it != mChildList.end())
- {
- next_it++;
- }
-
- return (next_it != mChildList.end()) ? *next_it : NULL;
-}
-
-
-LLCoordGL getNeededTranslation(const LLRect& input, const LLRect& constraint, S32 min_overlap_pixels)
-{
- LLCoordGL delta;
-
- const S32 KEEP_ONSCREEN_PIXELS_WIDTH = llmin(min_overlap_pixels, input.getWidth());
- const S32 KEEP_ONSCREEN_PIXELS_HEIGHT = llmin(min_overlap_pixels, input.getHeight());
-
- if (KEEP_ONSCREEN_PIXELS_WIDTH <= constraint.getWidth() &&
- KEEP_ONSCREEN_PIXELS_HEIGHT <= constraint.getHeight())
- {
- if (input.mRight - KEEP_ONSCREEN_PIXELS_WIDTH < constraint.mLeft)
- {
- delta.mX = constraint.mLeft - (input.mRight - KEEP_ONSCREEN_PIXELS_WIDTH);
- }
- else if (input.mLeft + KEEP_ONSCREEN_PIXELS_WIDTH > constraint.mRight)
- {
- delta.mX = constraint.mRight - (input.mLeft + KEEP_ONSCREEN_PIXELS_WIDTH);
- }
-
- if (input.mTop > constraint.mTop)
- {
- delta.mY = constraint.mTop - input.mTop;
- }
- else if (input.mTop - KEEP_ONSCREEN_PIXELS_HEIGHT < constraint.mBottom)
- {
- delta.mY = constraint.mBottom - (input.mTop - KEEP_ONSCREEN_PIXELS_HEIGHT);
- }
- }
-
- return delta;
-}
-
-// Moves the view so that it is entirely inside of constraint.
-// If the view will not fit because it's too big, aligns with the top and left.
-// (Why top and left? That's where the drag bars are for floaters.)
-bool LLView::translateIntoRect(const LLRect& constraint, S32 min_overlap_pixels)
-{
- return translateRectIntoRect(getRect(), constraint, min_overlap_pixels);
-}
-
-bool LLView::translateRectIntoRect(const LLRect& rect, const LLRect& constraint, S32 min_overlap_pixels)
-{
- LLCoordGL translation = getNeededTranslation(rect, constraint, min_overlap_pixels);
-
- if (translation.mX != 0 || translation.mY != 0)
- {
- translate(translation.mX, translation.mY);
- return true;
- }
-
- return false;
-}
-
-// move this view into "inside" but not onto "exclude"
-// NOTE: if this view is already contained in "inside", we ignore the "exclude" rect
-bool LLView::translateIntoRectWithExclusion( const LLRect& inside, const LLRect& exclude, S32 min_overlap_pixels)
-{
- LLCoordGL translation = getNeededTranslation(getRect(), inside, min_overlap_pixels);
-
- if (translation.mX != 0 || translation.mY != 0)
- {
- // translate ourselves into constraint rect
- translate(translation.mX, translation.mY);
-
- // do we overlap with exclusion area?
- // keep moving in the same direction to the other side of the exclusion rect
- if (exclude.overlaps(getRect()))
- {
- // moving right
- if (translation.mX > 0)
- {
- translate(exclude.mRight - getRect().mLeft, 0);
- }
- // moving left
- else if (translation.mX < 0)
- {
- translate(exclude.mLeft - getRect().mRight, 0);
- }
-
- // moving up
- if (translation.mY > 0)
- {
- translate(0, exclude.mTop - getRect().mBottom);
- }
- // moving down
- else if (translation.mY < 0)
- {
- translate(0, exclude.mBottom - getRect().mTop);
- }
- }
-
- return true;
- }
- return false;
-}
-
-
-void LLView::centerWithin(const LLRect& bounds)
-{
- S32 left = bounds.mLeft + (bounds.getWidth() - getRect().getWidth()) / 2;
- S32 bottom = bounds.mBottom + (bounds.getHeight() - getRect().getHeight()) / 2;
-
- translate( left - getRect().mLeft, bottom - getRect().mBottom );
-}
-
-bool LLView::localPointToOtherView( S32 x, S32 y, S32 *other_x, S32 *other_y, const LLView* other_view) const
-{
- const LLView* cur_view = this;
- const LLView* root_view = NULL;
-
- while (cur_view)
- {
- if (cur_view == other_view)
- {
- *other_x = x;
- *other_y = y;
- return true;
- }
-
- x += cur_view->getRect().mLeft;
- y += cur_view->getRect().mBottom;
-
- cur_view = cur_view->getParent();
- root_view = cur_view;
- }
-
- // assuming common root between two views, chase other_view's parents up to root
- cur_view = other_view;
- while (cur_view)
- {
- x -= cur_view->getRect().mLeft;
- y -= cur_view->getRect().mBottom;
-
- cur_view = cur_view->getParent();
-
- if (cur_view == root_view)
- {
- *other_x = x;
- *other_y = y;
- return true;
- }
- }
-
- *other_x = x;
- *other_y = y;
- return false;
-}
-
-bool LLView::localRectToOtherView( const LLRect& local, LLRect* other, const LLView* other_view ) const
-{
- LLRect cur_rect = local;
- const LLView* cur_view = this;
- const LLView* root_view = NULL;
-
- while (cur_view)
- {
- if (cur_view == other_view)
- {
- *other = cur_rect;
- return true;
- }
-
- cur_rect.translate(cur_view->getRect().mLeft, cur_view->getRect().mBottom);
-
- cur_view = cur_view->getParent();
- root_view = cur_view;
- }
-
- // assuming common root between two views, chase other_view's parents up to root
- cur_view = other_view;
- while (cur_view)
- {
- cur_rect.translate(-cur_view->getRect().mLeft, -cur_view->getRect().mBottom);
-
- cur_view = cur_view->getParent();
-
- if (cur_view == root_view)
- {
- *other = cur_rect;
- return true;
- }
- }
-
- *other = cur_rect;
- return false;
-}
-
-
-class CompareByTabOrder
-{
-public:
- CompareByTabOrder(const LLView::child_tab_order_t& order, S32 default_tab_group = 0)
- : mTabOrder(order),
- mDefaultTabGroup(default_tab_group)
- {}
- virtual ~CompareByTabOrder() {}
-
- // This method compares two LLViews by the tab order specified in the comparator object. The
- // code for this is a little convoluted because each argument can have four states:
- // 1) not a control, 2) a control but not in the tab order, 3) a control in the tab order, 4) null
- bool operator() (const LLView* const a, const LLView* const b) const
- {
- S32 a_group = 0, b_group = 0;
- if(!a) return false;
- if(!b) return true;
-
- LLView::child_tab_order_const_iter_t a_found = mTabOrder.find(a), b_found = mTabOrder.find(b);
- if(a_found != mTabOrder.end())
- {
- a_group = a_found->second;
- }
- if(b_found != mTabOrder.end())
- {
- b_group = b_found->second;
- }
-
- if(a_group < mDefaultTabGroup && b_group >= mDefaultTabGroup) return true;
- if(b_group < mDefaultTabGroup && a_group >= mDefaultTabGroup) return false;
- return a_group > b_group; // sort correctly if they're both on the same side of the default tab groupreturn a > b;
- }
-private:
- // ok to store a reference, as this should only be allocated on stack during view query operations
- const LLView::child_tab_order_t& mTabOrder;
- const S32 mDefaultTabGroup;
-};
-
-class SortByTabOrder : public LLQuerySorter, public LLSingleton<SortByTabOrder>
-{
- LLSINGLETON_EMPTY_CTOR(SortByTabOrder);
- /*virtual*/ void sort(LLView * parent, LLView::child_list_t &children) const override
- {
- children.sort(CompareByTabOrder(parent->getTabOrder(), parent->getDefaultTabGroup()));
- }
-};
-
-// static
-const LLViewQuery & LLView::getTabOrderQuery()
-{
- static LLViewQuery query;
- if(query.getPreFilters().size() == 0) {
- query.addPreFilter(LLVisibleFilter::getInstance());
- query.addPreFilter(LLEnabledFilter::getInstance());
- query.addPreFilter(LLTabStopFilter::getInstance());
- query.addPostFilter(LLLeavesFilter::getInstance());
- query.setSorter(SortByTabOrder::getInstance());
- }
- return query;
-}
-
-// This class is only used internally by getFocusRootsQuery below.
-class LLFocusRootsFilter : public LLQueryFilter, public LLSingleton<LLFocusRootsFilter>
-{
- LLSINGLETON_EMPTY_CTOR(LLFocusRootsFilter);
- /*virtual*/ filterResult_t operator() (const LLView* const view, const viewList_t & children) const override
- {
- return filterResult_t(view->isCtrl() && view->isFocusRoot(), !view->isFocusRoot());
- }
-};
-
-// static
-const LLViewQuery & LLView::getFocusRootsQuery()
-{
- static LLViewQuery query;
- if(query.getPreFilters().size() == 0) {
- query.addPreFilter(LLVisibleFilter::getInstance());
- query.addPreFilter(LLEnabledFilter::getInstance());
- query.addPreFilter(LLFocusRootsFilter::getInstance());
- query.addPostFilter(LLRootsFilter::getInstance());
- }
- return query;
-}
-
-
-void LLView::setShape(const LLRect& new_rect, bool by_user)
-{
- if (new_rect != getRect())
- {
- handleReshape(new_rect, by_user);
- }
-}
-
-void LLView::handleReshape(const LLRect& new_rect, bool by_user)
-{
- reshape(new_rect.getWidth(), new_rect.getHeight());
- translate(new_rect.mLeft - getRect().mLeft, new_rect.mBottom - getRect().mBottom);
-}
-
-LLView* LLView::findSnapRect(LLRect& new_rect, const LLCoordGL& mouse_dir,
- LLView::ESnapType snap_type, S32 threshold, S32 padding)
-{
- new_rect = mRect;
- LLView* snap_view = NULL;
-
- if (!mParentView)
- {
- return NULL;
- }
-
- S32 delta_x = 0;
- S32 delta_y = 0;
- if (mouse_dir.mX >= 0)
- {
- S32 new_right = mRect.mRight;
- LLView* view = findSnapEdge(new_right, mouse_dir, SNAP_RIGHT, snap_type, threshold, padding);
- delta_x = new_right - mRect.mRight;
- snap_view = view ? view : snap_view;
- }
-
- if (mouse_dir.mX <= 0)
- {
- S32 new_left = mRect.mLeft;
- LLView* view = findSnapEdge(new_left, mouse_dir, SNAP_LEFT, snap_type, threshold, padding);
- delta_x = new_left - mRect.mLeft;
- snap_view = view ? view : snap_view;
- }
-
- if (mouse_dir.mY >= 0)
- {
- S32 new_top = mRect.mTop;
- LLView* view = findSnapEdge(new_top, mouse_dir, SNAP_TOP, snap_type, threshold, padding);
- delta_y = new_top - mRect.mTop;
- snap_view = view ? view : snap_view;
- }
-
- if (mouse_dir.mY <= 0)
- {
- S32 new_bottom = mRect.mBottom;
- LLView* view = findSnapEdge(new_bottom, mouse_dir, SNAP_BOTTOM, snap_type, threshold, padding);
- delta_y = new_bottom - mRect.mBottom;
- snap_view = view ? view : snap_view;
- }
-
- new_rect.translate(delta_x, delta_y);
- return snap_view;
-}
-
-LLView* LLView::findSnapEdge(S32& new_edge_val, const LLCoordGL& mouse_dir, ESnapEdge snap_edge, ESnapType snap_type, S32 threshold, S32 padding)
-{
- LLRect snap_rect = getSnapRect();
- S32 snap_pos = 0;
- switch(snap_edge)
- {
- case SNAP_LEFT:
- snap_pos = snap_rect.mLeft;
- break;
- case SNAP_RIGHT:
- snap_pos = snap_rect.mRight;
- break;
- case SNAP_TOP:
- snap_pos = snap_rect.mTop;
- break;
- case SNAP_BOTTOM:
- snap_pos = snap_rect.mBottom;
- break;
- }
-
- if (!mParentView)
- {
- new_edge_val = snap_pos;
- return NULL;
- }
-
- LLView* snap_view = NULL;
-
- // If the view is near the edge of its parent, snap it to
- // the edge.
- LLRect test_rect = snap_rect;
- test_rect.stretch(padding);
-
- S32 x_threshold = threshold;
- S32 y_threshold = threshold;
-
- LLRect parent_local_snap_rect = mParentView->getLocalSnapRect();
-
- if (snap_type == SNAP_PARENT || snap_type == SNAP_PARENT_AND_SIBLINGS)
- {
- switch(snap_edge)
- {
- case SNAP_RIGHT:
- if (llabs(parent_local_snap_rect.mRight - test_rect.mRight) <= x_threshold
- && (parent_local_snap_rect.mRight - test_rect.mRight) * mouse_dir.mX >= 0)
- {
- snap_pos = parent_local_snap_rect.mRight - padding;
- snap_view = mParentView;
- x_threshold = llabs(parent_local_snap_rect.mRight - test_rect.mRight);
- }
- break;
- case SNAP_LEFT:
- if (llabs(test_rect.mLeft - parent_local_snap_rect.mLeft) <= x_threshold
- && test_rect.mLeft * mouse_dir.mX <= 0)
- {
- snap_pos = parent_local_snap_rect.mLeft + padding;
- snap_view = mParentView;
- x_threshold = llabs(test_rect.mLeft - parent_local_snap_rect.mLeft);
- }
- break;
- case SNAP_BOTTOM:
- if (llabs(test_rect.mBottom - parent_local_snap_rect.mBottom) <= y_threshold
- && test_rect.mBottom * mouse_dir.mY <= 0)
- {
- snap_pos = parent_local_snap_rect.mBottom + padding;
- snap_view = mParentView;
- y_threshold = llabs(test_rect.mBottom - parent_local_snap_rect.mBottom);
- }
- break;
- case SNAP_TOP:
- if (llabs(parent_local_snap_rect.mTop - test_rect.mTop) <= y_threshold && (parent_local_snap_rect.mTop - test_rect.mTop) * mouse_dir.mY >= 0)
- {
- snap_pos = parent_local_snap_rect.mTop - padding;
- snap_view = mParentView;
- y_threshold = llabs(parent_local_snap_rect.mTop - test_rect.mTop);
- }
- break;
- default:
- LL_ERRS() << "Invalid snap edge" << LL_ENDL;
- }
- }
-
- if (snap_type == SNAP_SIBLINGS || snap_type == SNAP_PARENT_AND_SIBLINGS)
- {
- for ( child_list_const_iter_t child_it = mParentView->getChildList()->begin();
- child_it != mParentView->getChildList()->end(); ++child_it)
- {
- LLView* siblingp = *child_it;
-
- if (!canSnapTo(siblingp)) continue;
-
- LLRect sibling_rect = siblingp->getSnapRect();
-
- switch(snap_edge)
- {
- case SNAP_RIGHT:
- if (llabs(test_rect.mRight - sibling_rect.mLeft) <= x_threshold
- && (test_rect.mRight - sibling_rect.mLeft) * mouse_dir.mX <= 0)
- {
- snap_pos = sibling_rect.mLeft - padding;
- snap_view = siblingp;
- x_threshold = llabs(test_rect.mRight - sibling_rect.mLeft);
- }
- // if snapped with sibling along other axis, check for shared edge
- else if (llabs(sibling_rect.mTop - (test_rect.mBottom - padding)) <= y_threshold
- || llabs(sibling_rect.mBottom - (test_rect.mTop + padding)) <= x_threshold)
- {
- if (llabs(test_rect.mRight - sibling_rect.mRight) <= x_threshold
- && (test_rect.mRight - sibling_rect.mRight) * mouse_dir.mX <= 0)
- {
- snap_pos = sibling_rect.mRight;
- snap_view = siblingp;
- x_threshold = llabs(test_rect.mRight - sibling_rect.mRight);
- }
- }
- break;
- case SNAP_LEFT:
- if (llabs(test_rect.mLeft - sibling_rect.mRight) <= x_threshold
- && (test_rect.mLeft - sibling_rect.mRight) * mouse_dir.mX <= 0)
- {
- snap_pos = sibling_rect.mRight + padding;
- snap_view = siblingp;
- x_threshold = llabs(test_rect.mLeft - sibling_rect.mRight);
- }
- // if snapped with sibling along other axis, check for shared edge
- else if (llabs(sibling_rect.mTop - (test_rect.mBottom - padding)) <= y_threshold
- || llabs(sibling_rect.mBottom - (test_rect.mTop + padding)) <= y_threshold)
- {
- if (llabs(test_rect.mLeft - sibling_rect.mLeft) <= x_threshold
- && (test_rect.mLeft - sibling_rect.mLeft) * mouse_dir.mX <= 0)
- {
- snap_pos = sibling_rect.mLeft;
- snap_view = siblingp;
- x_threshold = llabs(test_rect.mLeft - sibling_rect.mLeft);
- }
- }
- break;
- case SNAP_BOTTOM:
- if (llabs(test_rect.mBottom - sibling_rect.mTop) <= y_threshold
- && (test_rect.mBottom - sibling_rect.mTop) * mouse_dir.mY <= 0)
- {
- snap_pos = sibling_rect.mTop + padding;
- snap_view = siblingp;
- y_threshold = llabs(test_rect.mBottom - sibling_rect.mTop);
- }
- // if snapped with sibling along other axis, check for shared edge
- else if (llabs(sibling_rect.mRight - (test_rect.mLeft - padding)) <= x_threshold
- || llabs(sibling_rect.mLeft - (test_rect.mRight + padding)) <= x_threshold)
- {
- if (llabs(test_rect.mBottom - sibling_rect.mBottom) <= y_threshold
- && (test_rect.mBottom - sibling_rect.mBottom) * mouse_dir.mY <= 0)
- {
- snap_pos = sibling_rect.mBottom;
- snap_view = siblingp;
- y_threshold = llabs(test_rect.mBottom - sibling_rect.mBottom);
- }
- }
- break;
- case SNAP_TOP:
- if (llabs(test_rect.mTop - sibling_rect.mBottom) <= y_threshold
- && (test_rect.mTop - sibling_rect.mBottom) * mouse_dir.mY <= 0)
- {
- snap_pos = sibling_rect.mBottom - padding;
- snap_view = siblingp;
- y_threshold = llabs(test_rect.mTop - sibling_rect.mBottom);
- }
- // if snapped with sibling along other axis, check for shared edge
- else if (llabs(sibling_rect.mRight - (test_rect.mLeft - padding)) <= x_threshold
- || llabs(sibling_rect.mLeft - (test_rect.mRight + padding)) <= x_threshold)
- {
- if (llabs(test_rect.mTop - sibling_rect.mTop) <= y_threshold
- && (test_rect.mTop - sibling_rect.mTop) * mouse_dir.mY <= 0)
- {
- snap_pos = sibling_rect.mTop;
- snap_view = siblingp;
- y_threshold = llabs(test_rect.mTop - sibling_rect.mTop);
- }
- }
- break;
- default:
- LL_ERRS() << "Invalid snap edge" << LL_ENDL;
- }
- }
- }
-
- new_edge_val = snap_pos;
- return snap_view;
-}
-
-//-----------------------------------------------------------------------------
-// Listener dispatch functions
-//-----------------------------------------------------------------------------
-
-
-LLControlVariable *LLView::findControl(const std::string& name)
-{
- // parse the name to locate which group it belongs to
- std::size_t key_pos= name.find(".");
- if(key_pos!= std::string::npos )
- {
- std::string control_group_key = name.substr(0, key_pos);
- LLControlVariable* control;
- // check if it's in the control group that name indicated
- if(LLUI::getInstance()->mSettingGroups[control_group_key])
- {
- control = LLUI::getInstance()->mSettingGroups[control_group_key]->getControl(name);
- if (control)
- {
- return control;
- }
- }
- }
-
- LLControlGroup& control_group = LLUI::getInstance()->getControlControlGroup(name);
- return control_group.getControl(name);
-}
-
-void LLView::initFromParams(const LLView::Params& params)
-{
- LLRect required_rect = getRequiredRect();
-
- S32 width = llmax(getRect().getWidth(), required_rect.getWidth());
- S32 height = llmax(getRect().getHeight(), required_rect.getHeight());
-
- reshape(width, height);
-
- // call virtual methods with most recent data
- // use getters because these values might not come through parameter block
- setEnabled(getEnabled());
- setVisible(getVisible());
-
- if (!params.name().empty())
- {
- setName(params.name());
- }
-
- mLayout = params.layout();
-}
-
-void LLView::parseFollowsFlags(const LLView::Params& params)
-{
- // preserve follows flags set by code if user did not override
- if (!params.follows.isProvided())
- {
- return;
- }
-
- // interpret either string or bitfield version of follows
- if (params.follows.string.isChosen())
- {
- setFollows(FOLLOWS_NONE);
-
- std::string follows = params.follows.string;
-
- typedef boost::tokenizer<boost::char_separator<char> > tokenizer;
- boost::char_separator<char> sep("|");
- tokenizer tokens(follows, sep);
- tokenizer::iterator token_iter = tokens.begin();
-
- while(token_iter != tokens.end())
- {
- const std::string& token_str = *token_iter;
- if (token_str == "left")
- {
- setFollowsLeft();
- }
- else if (token_str == "right")
- {
- setFollowsRight();
- }
- else if (token_str == "top")
- {
- setFollowsTop();
- }
- else if (token_str == "bottom")
- {
- setFollowsBottom();
- }
- else if (token_str == "all")
- {
- setFollowsAll();
- }
- ++token_iter;
- }
- }
- else if (params.follows.flags.isChosen())
- {
- setFollows(params.follows.flags);
- }
-}
-
-
-// static
-//LLFontGL::HAlign LLView::selectFontHAlign(LLXMLNodePtr node)
-//{
-// LLFontGL::HAlign gl_hfont_align = LLFontGL::LEFT;
-//
-// if (node->hasAttribute("halign"))
-// {
-// std::string horizontal_align_name;
-// node->getAttributeString("halign", horizontal_align_name);
-// gl_hfont_align = LLFontGL::hAlignFromName(horizontal_align_name);
-// }
-// return gl_hfont_align;
-//}
-
-// Return the rectangle of the last-constructed child,
-// if present and a first-class widget (eg, not a close box or drag handle)
-// Returns true if found
-static bool get_last_child_rect(LLView* parent, LLRect *rect)
-{
- if (!parent) return false;
-
- LLView::child_list_t::const_iterator itor =
- parent->getChildList()->begin();
- for (;itor != parent->getChildList()->end(); ++itor)
- {
- LLView *last_view = (*itor);
- if (last_view->getFromXUI())
- {
- *rect = last_view->getRect();
- return true;
- }
- }
- return false;
-}
-
-//static
-void LLView::applyXUILayout(LLView::Params& p, LLView* parent, LLRect layout_rect)
-{
- if (!parent) return;
-
- const S32 VPAD = 4;
- const S32 MIN_WIDGET_HEIGHT = 10;
-
- // *NOTE: This will confuse export of floater/panel coordinates unless
- // the default is also "topleft". JC
- if (p.layout().empty())
- {
- p.layout = parent->getLayout();
- }
-
- if (layout_rect.isEmpty())
- {
- layout_rect = parent->getLocalRect();
- }
-
- // overwrite uninitialized rect params, using context
- LLRect default_rect = parent->getLocalRect();
-
- bool layout_topleft = (p.layout() == "topleft");
-
- // convert negative or centered coordinates to parent relative values
- // Note: some of this logic matches the logic in TypedParam<LLRect>::setValueFromBlock()
- if (p.rect.left.isProvided())
- {
- p.rect.left = p.rect.left + ((p.rect.left >= 0) ? layout_rect.mLeft : layout_rect.mRight);
- }
- if (p.rect.right.isProvided())
- {
- p.rect.right = p.rect.right + ((p.rect.right >= 0) ? layout_rect.mLeft : layout_rect.mRight);
- }
- if (p.rect.bottom.isProvided())
- {
- p.rect.bottom = p.rect.bottom + ((p.rect.bottom >= 0) ? layout_rect.mBottom : layout_rect.mTop);
- if (layout_topleft)
- {
- //invert top to bottom
- p.rect.bottom = layout_rect.mBottom + layout_rect.mTop - p.rect.bottom;
- }
- }
- if (p.rect.top.isProvided())
- {
- p.rect.top = p.rect.top + ((p.rect.top >= 0) ? layout_rect.mBottom : layout_rect.mTop);
- if (layout_topleft)
- {
- //invert top to bottom
- p.rect.top = layout_rect.mBottom + layout_rect.mTop - p.rect.top;
- }
- }
-
- // DEPRECATE: automatically fall back to height of MIN_WIDGET_HEIGHT pixels
- if (!p.rect.height.isProvided() && !p.rect.top.isProvided() && p.rect.height == 0)
- {
- p.rect.height = MIN_WIDGET_HEIGHT;
- }
-
- default_rect.translate(0, default_rect.getHeight());
-
- // If there was a recently constructed child, use its rectangle
- get_last_child_rect(parent, &default_rect);
-
- if (layout_topleft)
- {
- // Invert the sense of bottom_delta for topleft layout
- if (p.bottom_delta.isProvided())
- {
- p.bottom_delta = -p.bottom_delta;
- }
- else if (p.top_pad.isProvided())
- {
- p.bottom_delta = -(p.rect.height + p.top_pad);
- }
- else if (p.top_delta.isProvided())
- {
- p.bottom_delta =
- -(p.top_delta + p.rect.height - default_rect.getHeight());
- }
- else if (!p.left_delta.isProvided()
- && !p.left_pad.isProvided())
- {
- // set default position is just below last rect
- p.bottom_delta.set(-(p.rect.height + VPAD), false);
- }
- else
- {
- p.bottom_delta.set(0, false);
- }
-
- // default to same left edge
- if (!p.left_delta.isProvided())
- {
- p.left_delta.set(0, false);
- }
- if (p.left_pad.isProvided())
- {
- // left_pad is based on prior widget's right edge
- p.left_delta.set(p.left_pad + default_rect.getWidth(), false);
- }
-
- default_rect.translate(p.left_delta, p.bottom_delta);
- }
- else
- {
- // set default position is just below last rect
- if (!p.bottom_delta.isProvided())
- {
- p.bottom_delta.set(-(p.rect.height + VPAD), false);
- }
- if (!p.left_delta.isProvided())
- {
- p.left_delta.set(0, false);
- }
- default_rect.translate(p.left_delta, p.bottom_delta);
- }
-
- // this handles case where *both* x and x_delta are provided
- // ignore x in favor of default x + x_delta
- if (p.bottom_delta.isProvided()) p.rect.bottom.set(0, false);
- if (p.left_delta.isProvided()) p.rect.left.set(0, false);
-
- // selectively apply rectangle defaults, making sure that
- // params are not flagged as having been "provided"
- // as rect params are overconstrained and rely on provided flags
- if (!p.rect.left.isProvided())
- {
- p.rect.left.set(default_rect.mLeft, false);
- //HACK: get around the fact that setting a rect param component value won't invalidate the existing rect object value
- p.rect.paramChanged(p.rect.left, true);
- }
- if (!p.rect.bottom.isProvided())
- {
- p.rect.bottom.set(default_rect.mBottom, false);
- p.rect.paramChanged(p.rect.bottom, true);
- }
- if (!p.rect.top.isProvided())
- {
- p.rect.top.set(default_rect.mTop, false);
- p.rect.paramChanged(p.rect.top, true);
- }
- if (!p.rect.right.isProvided())
- {
- p.rect.right.set(default_rect.mRight, false);
- p.rect.paramChanged(p.rect.right, true);
-
- }
- if (!p.rect.width.isProvided())
- {
- p.rect.width.set(default_rect.getWidth(), false);
- p.rect.paramChanged(p.rect.width, true);
- }
- if (!p.rect.height.isProvided())
- {
- p.rect.height.set(default_rect.getHeight(), false);
- p.rect.paramChanged(p.rect.height, true);
- }
-}
-
-static S32 invert_vertical(S32 y, LLView* parent)
-{
- if (y < 0)
- {
- // already based on top-left, just invert
- return -y;
- }
- else if (parent)
- {
- // use parent to flip coordinate
- S32 parent_height = parent->getRect().getHeight();
- return parent_height - y;
- }
- else
- {
- LL_WARNS() << "Attempting to convert layout to top-left with no parent" << LL_ENDL;
- return y;
- }
-}
-
-// Assumes that input is in bottom-left coordinates, hence must call
-// _before_ convert_coords_to_top_left().
-static void convert_to_relative_layout(LLView::Params& p, LLView* parent)
-{
- // Use setupParams to get the final widget rectangle
- // according to our wacky layout rules.
- LLView::Params final = p;
- LLView::applyXUILayout(final, parent);
- // Must actually extract the rectangle to get consistent
- // right = left+width, top = bottom+height
- LLRect final_rect = final.rect;
-
- // We prefer to write out top edge instead of bottom, regardless
- // of whether we use relative positioning
- bool converted_top = false;
-
- // Look for a last rectangle
- LLRect last_rect;
- if (get_last_child_rect(parent, &last_rect))
- {
- // ...we have a previous widget to compare to
- const S32 EDGE_THRESHOLD_PIXELS = 4;
- S32 left_pad = final_rect.mLeft - last_rect.mRight;
- S32 left_delta = final_rect.mLeft - last_rect.mLeft;
- S32 top_pad = final_rect.mTop - last_rect.mBottom;
- S32 top_delta = final_rect.mTop - last_rect.mTop;
- // If my left edge is almost the same, or my top edge is
- // almost the same...
- if (llabs(left_delta) <= EDGE_THRESHOLD_PIXELS
- || llabs(top_delta) <= EDGE_THRESHOLD_PIXELS)
- {
- // ...use relative positioning
- // prefer top_pad if widgets are stacking vertically
- // (coordinate system is still bottom-left here)
- if (top_pad < 0)
- {
- p.top_pad = top_pad;
- p.top_delta.setProvided(false);
- }
- else
- {
- p.top_pad.setProvided(false);
- p.top_delta = top_delta;
- }
- // null out other vertical specifiers
- p.rect.top.setProvided(false);
- p.rect.bottom.setProvided(false);
- p.bottom_delta.setProvided(false);
- converted_top = true;
-
- // prefer left_pad if widgets are stacking horizontally
- if (left_pad > 0)
- {
- p.left_pad = left_pad;
- p.left_delta.setProvided(false);
- }
- else
- {
- p.left_pad.setProvided(false);
- p.left_delta = left_delta;
- }
- p.rect.left.setProvided(false);
- p.rect.right.setProvided(false);
- }
- }
-
- if (!converted_top)
- {
- // ...this is the first widget, or one that wasn't aligned
- // prefer top/left specification
- p.rect.top = final_rect.mTop;
- p.rect.bottom.setProvided(false);
- p.bottom_delta.setProvided(false);
- p.top_pad.setProvided(false);
- p.top_delta.setProvided(false);
- }
-}
-
-static void convert_coords_to_top_left(LLView::Params& p, LLView* parent)
-{
- // Convert the coordinate system to be top-left based.
- if (p.rect.top.isProvided())
- {
- p.rect.top = invert_vertical(p.rect.top, parent);
- }
- if (p.rect.bottom.isProvided())
- {
- p.rect.bottom = invert_vertical(p.rect.bottom, parent);
- }
- if (p.top_pad.isProvided())
- {
- p.top_pad = -p.top_pad;
- }
- if (p.top_delta.isProvided())
- {
- p.top_delta = -p.top_delta;
- }
- if (p.bottom_delta.isProvided())
- {
- p.bottom_delta = -p.bottom_delta;
- }
- p.layout = "topleft";
-}
-
-//static
-void LLView::setupParamsForExport(Params& p, LLView* parent)
-{
- // Don't convert if already top-left based
- if (p.layout() == "topleft")
- {
- return;
- }
-
- // heuristic: Many of our floaters and panels were bulk-exported.
- // These specify exactly bottom/left and height/width.
- // Others were done by hand using bottom_delta and/or left_delta.
- // Some rely on not specifying left to mean align with left edge.
- // Try to convert both to use relative layout, but using top-left
- // coordinates.
- // Avoid rectangles where top/bottom/left/right was specified.
- if (p.rect.height.isProvided() && p.rect.width.isProvided())
- {
- if (p.rect.bottom.isProvided() && p.rect.left.isProvided())
- {
- // standard bulk export, convert it
- convert_to_relative_layout(p, parent);
- }
- else if (p.rect.bottom.isProvided() && p.left_delta.isProvided())
- {
- // hand layout with left_delta
- convert_to_relative_layout(p, parent);
- }
- else if (p.bottom_delta.isProvided())
- {
- // hand layout with bottom_delta
- // don't check for p.rect.left or p.left_delta because sometimes
- // this layout doesn't set it for widgets that are left-aligned
- convert_to_relative_layout(p, parent);
- }
- }
-
- convert_coords_to_top_left(p, parent);
-}
-
-LLView::tree_iterator_t LLView::beginTreeDFS()
-{
- return tree_iterator_t(this,
- boost::bind(boost::mem_fn(&LLView::beginChild), _1),
- boost::bind(boost::mem_fn(&LLView::endChild), _1));
-}
-
-LLView::tree_iterator_t LLView::endTreeDFS()
-{
- // an empty iterator is an "end" iterator
- return tree_iterator_t();
-}
-
-LLView::tree_post_iterator_t LLView::beginTreeDFSPost()
-{
- return tree_post_iterator_t(this,
- boost::bind(boost::mem_fn(&LLView::beginChild), _1),
- boost::bind(boost::mem_fn(&LLView::endChild), _1));
-}
-
-LLView::tree_post_iterator_t LLView::endTreeDFSPost()
-{
- // an empty iterator is an "end" iterator
- return tree_post_iterator_t();
-}
-
-LLView::bfs_tree_iterator_t LLView::beginTreeBFS()
-{
- return bfs_tree_iterator_t(this,
- boost::bind(boost::mem_fn(&LLView::beginChild), _1),
- boost::bind(boost::mem_fn(&LLView::endChild), _1));
-}
-
-LLView::bfs_tree_iterator_t LLView::endTreeBFS()
-{
- // an empty iterator is an "end" iterator
- return bfs_tree_iterator_t();
-}
-
-
-LLView::root_to_view_iterator_t LLView::beginRootToView()
-{
- return root_to_view_iterator_t(this, boost::bind(&LLView::getParent, _1));
-}
-
-LLView::root_to_view_iterator_t LLView::endRootToView()
-{
- return root_to_view_iterator_t();
-}
-
-
-// only create maps on demand, as they incur heap allocation/deallocation cost
-// when a view is constructed/deconstructed
-LLView& LLView::getDefaultWidgetContainer() const
-{
- if (!mDefaultWidgets)
- {
- LLView::Params p;
- p.name = "default widget container";
- p.visible = false; // ensures default widgets can't steal focus, etc.
- mDefaultWidgets = new LLView(p);
- }
- return *mDefaultWidgets;
-}
-
-S32 LLView::notifyParent(const LLSD& info)
-{
- LLView* parent = getParent();
- if(parent)
- return parent->notifyParent(info);
- return 0;
-}
-bool LLView::notifyChildren(const LLSD& info)
-{
- bool ret = false;
- for (LLView* childp : mChildList)
- {
- ret = ret || childp->notifyChildren(info);
- }
- return ret;
-}
-
-// convenient accessor for draw context
-const LLViewDrawContext& LLView::getDrawContext()
-{
- return LLViewDrawContext::getCurrentContext();
-}
-
-const LLViewDrawContext& LLViewDrawContext::getCurrentContext()
-{
- static LLViewDrawContext default_context;
-
- if (sDrawContextStack.empty())
- return default_context;
-
- return *sDrawContextStack.back();
-}
-
-LLSD LLView::getInfo(void)
-{
- LLSD info;
- addInfo(info);
- return info;
-}
-
-void LLView::addInfo(LLSD & info)
-{
- info["path"] = getPathname();
- info["class"] = typeid(*this).name();
- info["visible"] = getVisible();
- info["visible_chain"] = isInVisibleChain();
- info["enabled"] = getEnabled();
- info["enabled_chain"] = isInEnabledChain();
- info["available"] = isAvailable();
- LLRect rect(calcScreenRect());
- info["rect"] = LLSDMap("left", rect.mLeft)("top", rect.mTop)
- ("right", rect.mRight)("bottom", rect.mBottom);
-}
+/** + * @file llview.cpp + * @author James Cook + * @brief Container for other views, anything that draws. + * + * $LicenseInfo:firstyear=2001&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2010, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#include "linden_common.h" + +#define LLVIEW_CPP +#include "llview.h" + +#include <sstream> +#include <boost/tokenizer.hpp> +#include <boost/bind.hpp> + +#include "llrender.h" +#include "llevent.h" +#include "llfocusmgr.h" +#include "llrect.h" +#include "llstl.h" +#include "llui.h" +#include "lluictrl.h" +#include "llwindow.h" +#include "v3color.h" +#include "lluictrlfactory.h" +#include "lltooltip.h" +#include "llsdutil.h" +#include "llsdserialize.h" +#include "llviewereventrecorder.h" +#include "llkeyboard.h" +// for ui edit hack +#include "llbutton.h" +#include "lllineeditor.h" +#include "lltexteditor.h" +#include "lltextbox.h" + +static const S32 LINE_HEIGHT = 15; + +S32 LLView::sDepth = 0; +bool LLView::sDebugRects = false; +bool LLView::sDebugUnicode = false; +bool LLView::sDebugCamera = false; +bool LLView::sIsRectDirty = false; +LLRect LLView::sDirtyRect; +bool LLView::sDebugRectsShowNames = true; +bool LLView::sDebugKeys = false; +bool LLView::sDebugMouseHandling = false; +std::string LLView::sMouseHandlerMessage; +bool LLView::sForceReshape = false; +std::set<LLView*> LLView::sPreviewHighlightedElements; +bool LLView::sHighlightingDiffs = false; +LLView* LLView::sPreviewClickedElement = NULL; +bool LLView::sDrawPreviewHighlights = false; +S32 LLView::sLastLeftXML = S32_MIN; +S32 LLView::sLastBottomXML = S32_MIN; +std::vector<LLViewDrawContext*> LLViewDrawContext::sDrawContextStack; + +LLView::DrilldownFunc LLView::sDrilldown = + boost::bind(&LLView::pointInView, _1, _2, _3, HIT_TEST_USE_BOUNDING_RECT); + +//#if LL_DEBUG +bool LLView::sIsDrawing = false; +//#endif + +// Compiler optimization, generate extern template +template class LLView* LLView::getChild<class LLView>( + const std::string& name, bool recurse) const; + +static LLDefaultChildRegistry::Register<LLView> r("view"); + +void deleteView(LLView *aView) +{ + delete aView; +} + +namespace LLInitParam +{ + void TypeValues<LLView::EOrientation>::declareValues() + { + declare("horizontal", LLView::HORIZONTAL); + declare("vertical", LLView::VERTICAL); + } +} + + +LLView::Follows::Follows() +: string(""), + flags("flags", FOLLOWS_LEFT | FOLLOWS_TOP) +{} + +LLView::Params::Params() +: name("name", std::string("unnamed")), + enabled("enabled", true), + visible("visible", true), + mouse_opaque("mouse_opaque", true), + follows("follows"), + hover_cursor("hover_cursor", "UI_CURSOR_ARROW"), + use_bounding_rect("use_bounding_rect", false), + tab_group("tab_group", 0), + default_tab_group("default_tab_group"), + tool_tip("tool_tip"), + sound_flags("sound_flags", MOUSE_UP), + layout("layout"), + rect("rect"), + bottom_delta("bottom_delta", S32_MAX), + top_pad("top_pad"), + top_delta("top_delta", S32_MAX), + left_pad("left_pad"), + left_delta("left_delta", S32_MAX), + from_xui("from_xui", false), + focus_root("focus_root", false), + needs_translate("translate"), + xmlns("xmlns"), + xmlns_xsi("xmlns:xsi"), + xsi_schemaLocation("xsi:schemaLocation"), + xsi_type("xsi:type") + +{ + addSynonym(rect, ""); +} + +LLView::LLView(const LLView::Params& p) +: mVisible(p.visible), + mInDraw(false), + mName(p.name), + mParentView(NULL), + mReshapeFlags(FOLLOWS_NONE), + mFromXUI(p.from_xui), + mIsFocusRoot(p.focus_root), + mLastVisible(false), + mHoverCursor(getCursorFromString(p.hover_cursor)), + mEnabled(p.enabled), + mMouseOpaque(p.mouse_opaque), + mSoundFlags(p.sound_flags), + mUseBoundingRect(p.use_bounding_rect), + mDefaultTabGroup(p.default_tab_group), + mLastTabGroup(0), + mToolTipMsg((LLStringExplicit)p.tool_tip()), + mDefaultWidgets(NULL) +{ + // create rect first, as this will supply initial follows flags + setShape(p.rect); + parseFollowsFlags(p); +} + +LLView::~LLView() +{ + dirtyRect(); + //LL_INFOS() << "Deleting view " << mName << ":" << (void*) this << LL_ENDL; + if (LLView::sIsDrawing) + { + LL_DEBUGS() << "Deleting view " << mName << " during UI draw() phase" << LL_ENDL; + } +// llassert(LLView::sIsDrawing == false); + +// llassert_always(sDepth == 0); // avoid deleting views while drawing! It can subtly break list iterators + + if( hasMouseCapture() ) + { + //LL_WARNS() << "View holding mouse capture deleted: " << getName() << ". Mouse capture removed." << LL_ENDL; + gFocusMgr.removeMouseCaptureWithoutCallback( this ); + } + + deleteAllChildren(); + + if (mParentView != NULL) + { + mParentView->removeChild(this); + } + + if (mDefaultWidgets) + { + delete mDefaultWidgets; + mDefaultWidgets = NULL; + } +} + +// virtual +bool LLView::isCtrl() const +{ + return false; +} + +// virtual +bool LLView::isPanel() const +{ + return false; +} + +void LLView::setToolTip(const LLStringExplicit& msg) +{ + mToolTipMsg = msg; +} + +bool LLView::setToolTipArg(const LLStringExplicit& key, const LLStringExplicit& text) +{ + mToolTipMsg.setArg(key, text); + return true; +} + +void LLView::setToolTipArgs( const LLStringUtil::format_map_t& args ) +{ + mToolTipMsg.setArgList(args); +} + +// virtual +void LLView::setRect(const LLRect& rect) +{ + mRect = rect; + updateBoundingRect(); +} + +void LLView::setUseBoundingRect( bool use_bounding_rect ) +{ + if (mUseBoundingRect != use_bounding_rect) + { + mUseBoundingRect = use_bounding_rect; + updateBoundingRect(); + } +} + +bool LLView::getUseBoundingRect() const +{ + return mUseBoundingRect; +} + +// virtual +const std::string& LLView::getName() const +{ + static std::string no_name("(no name)"); + + return mName.empty() ? no_name : mName; +} + +void LLView::sendChildToFront(LLView* child) +{ +// llassert_always(sDepth == 0); // Avoid re-ordering while drawing; it can cause subtle iterator bugs + if (child && child->getParent() == this) + { + // minor optimization, but more importantly, + // won't temporarily create an empty list + if (child != mChildList.front()) + { + mChildList.remove( child ); + mChildList.push_front(child); + } + } +} + +void LLView::sendChildToBack(LLView* child) +{ +// llassert_always(sDepth == 0); // Avoid re-ordering while drawing; it can cause subtle iterator bugs + if (child && child->getParent() == this) + { + // minor optimization, but more importantly, + // won't temporarily create an empty list + if (child != mChildList.back()) + { + mChildList.remove( child ); + mChildList.push_back(child); + } + } +} + +// virtual +bool LLView::addChild(LLView* child, S32 tab_group) +{ + if (!child) + { + return false; + } + + if (this == child) + { + LL_ERRS() << "Adding view " << child->getName() << " as child of itself" << LL_ENDL; + } + + // remove from current parent + if (child->mParentView) + { + child->mParentView->removeChild(child); + } + + // add to front of child list, as normal + mChildList.push_front(child); + + // add to tab order list + if (tab_group != 0) + { + mTabOrder.insert(tab_order_pair_t(child, tab_group)); + } + + child->mParentView = this; + if (getVisible() && child->getVisible()) + { + // if child isn't visible it won't affect bounding rect + // if current view is not visible it will be recalculated + // on visibility change + updateBoundingRect(); + } + mLastTabGroup = tab_group; + return true; +} + + +bool LLView::addChildInBack(LLView* child, S32 tab_group) +{ + if(addChild(child, tab_group)) + { + sendChildToBack(child); + return true; + } + + return false; +} + +// remove the specified child from the view, and set it's parent to NULL. +void LLView::removeChild(LLView* child) +{ + //llassert_always(sDepth == 0); // Avoid re-ordering while drawing; it can cause subtle iterator bugs + if (child->mParentView == this) + { + // if we are removing an item we are currently iterating over, that would be bad + llassert(!child->mInDraw); + mChildList.remove( child ); + child->mParentView = NULL; + child_tab_order_t::iterator found = mTabOrder.find(child); + if (found != mTabOrder.end()) + { + mTabOrder.erase(found); + } + } + else + { + LL_WARNS() << "\"" << child->getName() << "\" is not a child of " << getName() << LL_ENDL; + } + updateBoundingRect(); +} + +bool LLView::isInVisibleChain() const +{ + bool visible = true; + + const LLView* viewp = this; + while(viewp) + { + if (!viewp->getVisible()) + { + visible = false; + break; + } + viewp = viewp->getParent(); + } + + return visible; +} + +bool LLView::isInEnabledChain() const +{ + bool enabled = true; + + const LLView* viewp = this; + while(viewp) + { + if (!viewp->getEnabled()) + { + enabled = false; + break; + } + viewp = viewp->getParent(); + } + + return enabled; +} + +static void buildPathname(std::ostream& out, const LLView* view) +{ + if (! (view && view->getParent())) + { + return; // Don't include root in the path. + } + + buildPathname(out, view->getParent()); + + // Build pathname into ostream on the way back from recursion. + out << '/'; + + // substitute all '/' in name with appropriate code + std::string name = view->getName(); + std::size_t found = name.find('/'); + std::size_t start = 0; + while (found != std::string::npos) + { + std::size_t sub_len = found - start; + if (sub_len > 0) + { + out << name.substr(start, sub_len); + } + out << "%2F"; + start = found + 1; + found = name.find('/', start); + } + if (start < name.size()) + { + out << name.substr(start, name.size() - start); + } +} + +std::string LLView::getPathname() const +{ + std::ostringstream out; + buildPathname(out, this); + return out.str(); +} + +//static +std::string LLView::getPathname(const LLView* view) +{ + if (! view) + { + return "NULL"; + } + return view->getPathname(); +} + +// virtual +bool LLView::canFocusChildren() const +{ + return true; +} + +//virtual +void LLView::setEnabled(bool enabled) +{ + mEnabled = enabled; +} + +//virtual +bool LLView::isAvailable() const +{ + return isInEnabledChain() && isInVisibleChain(); +} + +//static +bool LLView::isAvailable(const LLView* view) +{ + return view && view->isAvailable(); +} + +//virtual +bool LLView::setLabelArg( const std::string& key, const LLStringExplicit& text ) +{ + return false; +} + +//virtual +LLRect LLView::getSnapRect() const +{ + return mRect; +} + +//virtual +LLRect LLView::getRequiredRect() +{ + return mRect; +} + +bool LLView::focusNextRoot() +{ + LLView::child_list_t result = LLView::getFocusRootsQuery().run(this); + return LLView::focusNext(result); +} + +bool LLView::focusPrevRoot() +{ + LLView::child_list_t result = LLView::getFocusRootsQuery().run(this); + return LLView::focusPrev(result); +} + +// static +bool LLView::focusNext(LLView::child_list_t & result) +{ + LLView::child_list_reverse_iter_t focused = result.rend(); + for(LLView::child_list_reverse_iter_t iter = result.rbegin(); + iter != result.rend(); + ++iter) + { + if(gFocusMgr.childHasKeyboardFocus(*iter)) + { + focused = iter; + break; + } + } + LLView::child_list_reverse_iter_t next = focused; + next = (next == result.rend()) ? result.rbegin() : ++next; + while(next != focused) + { + // wrap around to beginning if necessary + if(next == result.rend()) + { + next = result.rbegin(); + } + if ((*next)->isCtrl() && ((LLUICtrl*)*next)->hasTabStop()) + { + LLUICtrl * ctrl = static_cast<LLUICtrl*>(*next); + ctrl->setFocus(true); + ctrl->onTabInto(); + gFocusMgr.triggerFocusFlash(); + return true; + } + ++next; + } + return false; +} + +// static +bool LLView::focusPrev(LLView::child_list_t & result) +{ + LLView::child_list_iter_t focused = result.end(); + for(LLView::child_list_iter_t iter = result.begin(); + iter != result.end(); + ++iter) + { + if(gFocusMgr.childHasKeyboardFocus(*iter)) + { + focused = iter; + break; + } + } + LLView::child_list_iter_t next = focused; + next = (next == result.end()) ? result.begin() : ++next; + while(next != focused) + { + // wrap around to beginning if necessary + if(next == result.end()) + { + next = result.begin(); + } + if((*next)->isCtrl()) + { + LLUICtrl * ctrl = static_cast<LLUICtrl*>(*next); + if (!ctrl->hasFocus()) + { + ctrl->setFocus(true); + ctrl->onTabInto(); + gFocusMgr.triggerFocusFlash(); + } + return true; + } + ++next; + } + return false; +} + +// delete all children. Override this function if you need to +// perform any extra clean up such as cached pointers to selected +// children, etc. +void LLView::deleteAllChildren() +{ + // clear out the control ordering + mTabOrder.clear(); + + while (!mChildList.empty()) + { + LLView* viewp = mChildList.front(); + viewp->mParentView = NULL; + delete viewp; + mChildList.pop_front(); + } + updateBoundingRect(); +} + +void LLView::setAllChildrenEnabled(bool b) +{ + for (LLView* viewp : mChildList) + { + viewp->setEnabled(b); + } +} + +// virtual +void LLView::setVisible(bool visible) +{ + if ( mVisible != visible ) + { + mVisible = visible; + + // notify children of visibility change if root, or part of visible hierarchy + if (!getParent() || getParent()->isInVisibleChain()) + { + // tell all children of this view that the visibility may have changed + dirtyRect(); + onVisibilityChange( visible ); + } + updateBoundingRect(); + } +} + +// virtual +void LLView::onVisibilityChange ( bool new_visibility ) +{ + bool old_visibility; + bool log_visibility_change = LLViewerEventRecorder::instance().getLoggingStatus(); + for (LLView* viewp : mChildList) + { + if (!viewp) + { + continue; + } + + // only views that are themselves visible will have their overall visibility affected by their ancestors + old_visibility=viewp->getVisible(); + + if(log_visibility_change) + { + if (old_visibility!=new_visibility) + { + LLViewerEventRecorder::instance().logVisibilityChange( viewp->getPathname(), viewp->getName(), new_visibility,"widget"); + } + } + + if (old_visibility) + { + viewp->onVisibilityChange ( new_visibility ); + } + + if(log_visibility_change) + { + // Consider changing returns to confirm success and know which widget grabbed it + // For now assume success and log at highest xui possible + // NOTE we log actual state - which may differ if it somehow failed to set visibility + LL_DEBUGS() << "LLView::handleVisibilityChange - now: " << getVisible() << " xui: " << viewp->getPathname() << " name: " << viewp->getName() << LL_ENDL; + + } + } +} + +// virtual +void LLView::onUpdateScrollToChild(const LLUICtrl * cntrl) +{ + LLView* parent_view = getParent(); + if (parent_view) + { + parent_view->onUpdateScrollToChild(cntrl); + } +} + +// virtual +void LLView::translate(S32 x, S32 y) +{ + mRect.translate(x, y); + updateBoundingRect(); +} + +// virtual +bool LLView::canSnapTo(const LLView* other_view) +{ + return other_view != this && other_view->getVisible(); +} + +// virtual +void LLView::setSnappedTo(const LLView* snap_view) +{ +} + +bool LLView::handleHover(S32 x, S32 y, MASK mask) +{ + return childrenHandleHover( x, y, mask ) != NULL; +} + +void LLView::onMouseEnter(S32 x, S32 y, MASK mask) +{ + //LL_INFOS() << "Mouse entered " << getName() << LL_ENDL; +} + +void LLView::onMouseLeave(S32 x, S32 y, MASK mask) +{ + //LL_INFOS() << "Mouse left " << getName() << LL_ENDL; +} + +bool LLView::visibleAndContains(S32 local_x, S32 local_y) +{ + return sDrilldown(this, local_x, local_y) + && getVisible(); +} + +bool LLView::visibleEnabledAndContains(S32 local_x, S32 local_y) +{ + return visibleAndContains(local_x, local_y) + && getEnabled(); +} + +// This is NOT event recording related +void LLView::logMouseEvent() +{ + if (sDebugMouseHandling) + { + sMouseHandlerMessage = std::string("/") + mName + sMouseHandlerMessage; + } +} + +template <typename METHOD, typename CHARTYPE> +LLView* LLView::childrenHandleCharEvent(const std::string& desc, const METHOD& method, + CHARTYPE c, MASK mask) +{ + if ( getVisible() && getEnabled() ) + { + for (LLView* viewp : mChildList) + { + if ((viewp->*method)(c, mask, true)) + { + if (LLView::sDebugKeys) + { + LL_INFOS() << desc << " handled by " << viewp->getName() << LL_ENDL; + } + return viewp; + } + } + } + return NULL; +} + +// XDATA might be MASK, or S32 clicks +template <typename METHOD, typename XDATA> +LLView* LLView::childrenHandleMouseEvent(const METHOD& method, S32 x, S32 y, XDATA extra, bool allow_mouse_block) +{ + for (LLView* viewp : mChildList) + { + S32 local_x = x - viewp->getRect().mLeft; + S32 local_y = y - viewp->getRect().mBottom; + + if (!viewp->visibleEnabledAndContains(local_x, local_y)) + { + continue; + } + + if ((viewp->*method)( local_x, local_y, extra ) + || (allow_mouse_block && viewp->blockMouseEvent( local_x, local_y ))) + { + LL_DEBUGS() << "LLView::childrenHandleMouseEvent calling updatemouseeventinfo - local_x|global x "<< local_x << " " << x << "local/global y " << local_y << " " << y << LL_ENDL; + LL_DEBUGS() << "LLView::childrenHandleMouseEvent getPathname for viewp result: " << viewp->getPathname() << "for this view: " << getPathname() << LL_ENDL; + + LLViewerEventRecorder::instance().updateMouseEventInfo(x,y,-55,-55,getPathname()); + + // This is NOT event recording related + viewp->logMouseEvent(); + + return viewp; + } + } + return NULL; +} + +LLView* LLView::childrenHandleToolTip(S32 x, S32 y, MASK mask) +{ + for (LLView* viewp : mChildList) + { + S32 local_x = x - viewp->getRect().mLeft; + S32 local_y = y - viewp->getRect().mBottom; + // Differs from childrenHandleMouseEvent() in that we want to offer + // tooltips even for disabled widgets. + if(!viewp->visibleAndContains(local_x, local_y)) + { + continue; + } + + if (viewp->handleToolTip(local_x, local_y, mask) + || viewp->blockMouseEvent(local_x, local_y)) + { + // This is NOT event recording related + viewp->logMouseEvent(); + return viewp; + } + } + return NULL; +} + +LLView* LLView::childrenHandleDragAndDrop(S32 x, S32 y, MASK mask, + bool drop, + EDragAndDropType cargo_type, + void* cargo_data, + EAcceptance* accept, + std::string& tooltip_msg) +{ + // default to not accepting drag and drop, will be overridden by handler + *accept = ACCEPT_NO; + + for (LLView* viewp : mChildList) + { + S32 local_x = x - viewp->getRect().mLeft; + S32 local_y = y - viewp->getRect().mBottom; + if( !viewp->visibleEnabledAndContains(local_x, local_y)) + { + continue; + } + + // Differs from childrenHandleMouseEvent() simply in that this virtual + // method call diverges pretty radically from the usual (x, y, int). + if (viewp->handleDragAndDrop(local_x, local_y, mask, drop, + cargo_type, + cargo_data, + accept, + tooltip_msg) + || viewp->blockMouseEvent(local_x, local_y)) + { + return viewp; + } + } + return NULL; +} + +LLView* LLView::childrenHandleHover(S32 x, S32 y, MASK mask) +{ + for (LLView* viewp : mChildList) + { + S32 local_x = x - viewp->getRect().mLeft; + S32 local_y = y - viewp->getRect().mBottom; + if(!viewp->visibleEnabledAndContains(local_x, local_y)) + { + continue; + } + + // This call differentiates this method from childrenHandleMouseEvent(). + LLUI::getInstance()->mWindow->setCursor(viewp->getHoverCursor()); + + if (viewp->handleHover(local_x, local_y, mask) + || viewp->blockMouseEvent(local_x, local_y)) + { + // This is NOT event recording related + viewp->logMouseEvent(); + return viewp; + } + } + return NULL; +} + +LLView* LLView::childFromPoint(S32 x, S32 y, bool recur) +{ + if (!getVisible()) + return NULL; + + for (LLView* viewp : mChildList) + { + S32 local_x = x - viewp->getRect().mLeft; + S32 local_y = y - viewp->getRect().mBottom; + if (!viewp->visibleAndContains(local_x, local_y)) + { + continue; + } + // Here we've found the first (frontmost) visible child at this level + // containing the specified point. Is the caller asking us to drill + // down and return the innermost leaf child at this point, or just the + // top-level child? + if (recur) + { + LLView* leaf(viewp->childFromPoint(local_x, local_y, recur)); + // Maybe viewp is already a leaf LLView, or maybe it has children + // but this particular (x, y) point falls between them. If the + // recursive call returns non-NULL, great, use that; else just use + // viewp. + return leaf? leaf : viewp; + } + return viewp; + + } + return 0; +} + +F32 LLView::getTooltipTimeout() +{ + static LLCachedControl<F32> tooltip_fast_delay(*LLUI::getInstance()->mSettingGroups["config"], "ToolTipFastDelay", 0.1f); + static LLCachedControl<F32> tooltip_delay(*LLUI::getInstance()->mSettingGroups["config"], "ToolTipDelay", 0.7f); + // allow "scrubbing" over ui by showing next tooltip immediately + // if previous one was still visible + return (F32)(LLToolTipMgr::instance().toolTipVisible() + ? tooltip_fast_delay + : tooltip_delay); +} + +// virtual +const std::string LLView::getToolTip() const +{ + if (sDebugUnicode) + { + std::string text = getText(); + if (!text.empty()) + { + const std::string& name = getName(); + std::string tooltip = llformat("Name: \"%s\"", name.c_str()); + + if (const LLFontGL* font = getFont()) + { + tooltip += llformat("\nFont: %s (%s)", + font->getFontDesc().getName().c_str(), + font->getFontDesc().getSize().c_str() + ); + } + + tooltip += "\n\n" + utf8str_showBytesUTF8(text); + + return tooltip; + } + } + + return mToolTipMsg.getString(); +} + +bool LLView::handleToolTip(S32 x, S32 y, MASK mask) +{ + bool handled = false; + + // parents provide tooltips first, which are optionally + // overridden by children, in case child is mouse_opaque + std::string tooltip = getToolTip(); + if (!tooltip.empty()) + { + static LLCachedControl<bool> allow_ui_tooltips(*LLUI::getInstance()->mSettingGroups["config"], "BasicUITooltips", true); + + // Even if we don't show tooltips, consume the event, nothing below should show tooltip + if (allow_ui_tooltips) + { + LLToolTipMgr::instance().show(LLToolTip::Params() + .message(tooltip) + .sticky_rect(calcScreenRect()) + .delay_time(getTooltipTimeout())); + } + handled = true; + } + + // child tooltips will override our own + LLView* child_handler = childrenHandleToolTip(x, y, mask); + if (child_handler) + { + handled = true; + } + + return handled; +} + +bool LLView::handleKey(KEY key, MASK mask, bool called_from_parent) +{ + bool handled = false; + + if (getVisible() && getEnabled()) + { + if( called_from_parent ) + { + // Downward traversal + handled = childrenHandleKey( key, mask ) != NULL; + } + + if (!handled) + { + // For event logging we don't care which widget handles it + // So we capture the key at the end of this function once we know if it was handled + handled = handleKeyHere( key, mask ); + if (handled) + { + LL_DEBUGS() << "Key handled by " << getName() << LL_ENDL; + } + } + } + + if( !handled && !called_from_parent && mParentView) + { + // Upward traversal + handled = mParentView->handleKey( key, mask, false ); + } + return handled; +} + +bool LLView::handleKeyUp(KEY key, MASK mask, bool called_from_parent) +{ + bool handled = false; + + if (getVisible() && getEnabled()) + { + if (called_from_parent) + { + // Downward traversal + handled = childrenHandleKeyUp(key, mask) != NULL; + } + + if (!handled) + { + // For event logging we don't care which widget handles it + // So we capture the key at the end of this function once we know if it was handled + handled = handleKeyUpHere(key, mask); + if (handled) + { + LL_DEBUGS() << "Key handled by " << getName() << LL_ENDL; + } + } + } + + if (!handled && !called_from_parent && mParentView) + { + // Upward traversal + handled = mParentView->handleKeyUp(key, mask, false); + } + return handled; +} + +// Called from handleKey() +// Handles key in this object. Checking parents and children happens in handleKey() +bool LLView::handleKeyHere(KEY key, MASK mask) +{ + return false; +} + +// Called from handleKey() +// Handles key in this object. Checking parents and children happens in handleKey() +bool LLView::handleKeyUpHere(KEY key, MASK mask) +{ + return false; +} + +bool LLView::handleUnicodeChar(llwchar uni_char, bool called_from_parent) +{ + bool handled = false; + + if (getVisible() && getEnabled()) + { + if( called_from_parent ) + { + // Downward traversal + handled = childrenHandleUnicodeChar( uni_char ) != NULL; + } + + if (!handled) + { + handled = handleUnicodeCharHere(uni_char); + if (handled && LLView::sDebugKeys) + { + LL_INFOS() << "Unicode key " << wchar_utf8_preview(uni_char) << " is handled by " << getName() << LL_ENDL; + } + } + } + + if (!handled && !called_from_parent && mParentView) + { + // Upward traversal + handled = mParentView->handleUnicodeChar(uni_char, false); + } + + if (handled) + { + LLViewerEventRecorder::instance().logKeyUnicodeEvent(uni_char); + } + + return handled; +} + + +bool LLView::handleUnicodeCharHere(llwchar uni_char ) +{ + return false; +} + + +bool LLView::handleDragAndDrop(S32 x, S32 y, MASK mask, bool drop, + EDragAndDropType cargo_type, void* cargo_data, + EAcceptance* accept, + std::string& tooltip_msg) +{ + return childrenHandleDragAndDrop( x, y, mask, drop, cargo_type, cargo_data, accept, tooltip_msg) != NULL; +} + +void LLView::onMouseCaptureLost() +{ +} + +bool LLView::hasMouseCapture() +{ + return gFocusMgr.getMouseCapture() == this; +} + +bool LLView::handleMouseUp(S32 x, S32 y, MASK mask) +{ + LLView* r = childrenHandleMouseUp( x, y, mask ); + + return (r!=NULL); +} + +bool LLView::handleMouseDown(S32 x, S32 y, MASK mask) +{ + LLView* r= childrenHandleMouseDown(x, y, mask ); + + return (r!=NULL); +} + +bool LLView::handleDoubleClick(S32 x, S32 y, MASK mask) +{ + return childrenHandleDoubleClick( x, y, mask ) != NULL; +} + +bool LLView::handleScrollWheel(S32 x, S32 y, S32 clicks) +{ + return childrenHandleScrollWheel( x, y, clicks ) != NULL; +} + +bool LLView::handleScrollHWheel(S32 x, S32 y, S32 clicks) +{ + return childrenHandleScrollHWheel( x, y, clicks ) != NULL; +} + +bool LLView::handleRightMouseDown(S32 x, S32 y, MASK mask) +{ + return childrenHandleRightMouseDown( x, y, mask ) != NULL; +} + +bool LLView::handleRightMouseUp(S32 x, S32 y, MASK mask) +{ + return childrenHandleRightMouseUp( x, y, mask ) != NULL; +} + +bool LLView::handleMiddleMouseDown(S32 x, S32 y, MASK mask) +{ + return childrenHandleMiddleMouseDown( x, y, mask ) != NULL; +} + +bool LLView::handleMiddleMouseUp(S32 x, S32 y, MASK mask) +{ + return childrenHandleMiddleMouseUp( x, y, mask ) != NULL; +} + +LLView* LLView::childrenHandleScrollWheel(S32 x, S32 y, S32 clicks) +{ + return childrenHandleMouseEvent(&LLView::handleScrollWheel, x, y, clicks, false); +} + +LLView* LLView::childrenHandleScrollHWheel(S32 x, S32 y, S32 clicks) +{ + return childrenHandleMouseEvent(&LLView::handleScrollHWheel, x, y, clicks, false); +} + +// Called during downward traversal +LLView* LLView::childrenHandleKey(KEY key, MASK mask) +{ + return childrenHandleCharEvent("Key", &LLView::handleKey, key, mask); +} + +// Called during downward traversal +LLView* LLView::childrenHandleKeyUp(KEY key, MASK mask) +{ + return childrenHandleCharEvent("Key Up", &LLView::handleKeyUp, key, mask); +} + +// Called during downward traversal +LLView* LLView::childrenHandleUnicodeChar(llwchar uni_char) +{ + return childrenHandleCharEvent("Unicode character", &LLView::handleUnicodeCharWithDummyMask, + uni_char, MASK_NONE); +} + +LLView* LLView::childrenHandleMouseDown(S32 x, S32 y, MASK mask) +{ + return childrenHandleMouseEvent(&LLView::handleMouseDown, x, y, mask); +} + +LLView* LLView::childrenHandleRightMouseDown(S32 x, S32 y, MASK mask) +{ + return childrenHandleMouseEvent(&LLView::handleRightMouseDown, x, y, mask); +} + +LLView* LLView::childrenHandleMiddleMouseDown(S32 x, S32 y, MASK mask) +{ + return childrenHandleMouseEvent(&LLView::handleMiddleMouseDown, x, y, mask); +} + +LLView* LLView::childrenHandleDoubleClick(S32 x, S32 y, MASK mask) +{ + return childrenHandleMouseEvent(&LLView::handleDoubleClick, x, y, mask); +} + +LLView* LLView::childrenHandleMouseUp(S32 x, S32 y, MASK mask) +{ + return childrenHandleMouseEvent(&LLView::handleMouseUp, x, y, mask); +} + +LLView* LLView::childrenHandleRightMouseUp(S32 x, S32 y, MASK mask) +{ + return childrenHandleMouseEvent(&LLView::handleRightMouseUp, x, y, mask); +} + +LLView* LLView::childrenHandleMiddleMouseUp(S32 x, S32 y, MASK mask) +{ + return childrenHandleMouseEvent(&LLView::handleMiddleMouseUp, x, y, mask); +} + +void LLView::draw() +{ + drawChildren(); +} + +void LLView::drawChildren() +{ + if (!mChildList.empty()) + { + LLView* rootp = LLUI::getInstance()->getRootView(); + ++sDepth; + + for (child_list_reverse_iter_t child_iter = mChildList.rbegin(); child_iter != mChildList.rend();) // ++child_iter) + { + child_list_reverse_iter_t child = child_iter++; + LLView *viewp = *child; + + if (viewp == NULL) + { + continue; + } + + if (viewp->getVisible() && viewp->getRect().isValid()) + { + LLRect screen_rect = viewp->calcScreenRect(); + if ( rootp->getLocalRect().overlaps(screen_rect) && sDirtyRect.overlaps(screen_rect)) + { + LLUI::pushMatrix(); + { + LLUI::translate((F32)viewp->getRect().mLeft, (F32)viewp->getRect().mBottom); + // flag the fact we are in draw here, in case overridden draw() method attempts to remove this widget + viewp->mInDraw = true; + viewp->draw(); + viewp->mInDraw = false; + + if (sDebugRects) + { + viewp->drawDebugRect(); + + // Check for bogus rectangle + if (!getRect().isValid()) + { + LL_WARNS() << "Bogus rectangle for " << getName() << " with " << mRect << LL_ENDL; + } + } + } + LLUI::popMatrix(); + } + } + + } + --sDepth; + } +} + +void LLView::dirtyRect() +{ + LLView* child = getParent(); + LLView* parent = child ? child->getParent() : NULL; + LLView* cur = this; + while (child && parent && parent->getParent()) + { //find third to top-most view + cur = child; + child = parent; + parent = parent->getParent(); + } + + if (!sIsRectDirty) + { + sDirtyRect = cur->calcScreenRect(); + sIsRectDirty = true; + } + else + { + sDirtyRect.unionWith(cur->calcScreenRect()); + } +} + +//Draw a box for debugging. +void LLView::drawDebugRect() +{ + std::set<LLView*>::iterator preview_iter = std::find(sPreviewHighlightedElements.begin(), sPreviewHighlightedElements.end(), this); // figure out if it's a previewed element + + LLUI::pushMatrix(); + { + // drawing solids requires texturing be disabled + gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); + + if (getUseBoundingRect()) + { + LLUI::translate((F32)mBoundingRect.mLeft - (F32)mRect.mLeft, (F32)mBoundingRect.mBottom - (F32)mRect.mBottom); + } + + LLRect debug_rect = getUseBoundingRect() ? mBoundingRect : mRect; + + // draw red rectangle for the border + LLColor4 border_color(0.25f, 0.25f, 0.25f, 1.f); + if(preview_iter != sPreviewHighlightedElements.end()) + { + if(LLView::sPreviewClickedElement && this == sPreviewClickedElement) + { + border_color = LLColor4::red; + } + else + { + static LLUIColor scroll_highlighted_color = LLUIColorTable::instance().getColor("ScrollHighlightedColor"); + border_color = scroll_highlighted_color; + } + } + else + { + border_color.mV[sDepth%3] = 1.f; + } + + gGL.color4fv( border_color.mV ); + + gGL.begin(LLRender::LINES); + gGL.vertex2i(0, debug_rect.getHeight() - 1); + gGL.vertex2i(0, 0); + + gGL.vertex2i(0, 0); + gGL.vertex2i(debug_rect.getWidth() - 1, 0); + + gGL.vertex2i(debug_rect.getWidth() - 1, 0); + gGL.vertex2i(debug_rect.getWidth() - 1, debug_rect.getHeight() - 1); + + gGL.vertex2i(debug_rect.getWidth() - 1, debug_rect.getHeight() - 1); + gGL.vertex2i(0, debug_rect.getHeight() - 1); + gGL.end(); + + // Draw the name if it's not a leaf node or not in editing or preview mode + if (mChildList.size() + && preview_iter == sPreviewHighlightedElements.end() + && sDebugRectsShowNames) + { + S32 x, y; + gGL.color4fv( border_color.mV ); + + x = debug_rect.getWidth() / 2; + + S32 rect_height = debug_rect.getHeight(); + S32 lines = rect_height / LINE_HEIGHT + 1; + + S32 depth = 0; + LLView * viewp = this; + while (NULL != viewp) + { + viewp = viewp->getParent(); + depth++; + } + + y = rect_height - LINE_HEIGHT * (depth % lines + 1); + + std::string debug_text = llformat("%s (%d x %d)", getName().c_str(), + debug_rect.getWidth(), debug_rect.getHeight()); + LLFontGL::getFontSansSerifSmall()->renderUTF8(debug_text, 0, (F32)x, (F32)y, border_color, + LLFontGL::HCENTER, LLFontGL::BASELINE, LLFontGL::NORMAL, LLFontGL::NO_SHADOW); + } + } + LLUI::popMatrix(); +} + +void LLView::drawChild(LLView* childp, S32 x_offset, S32 y_offset, bool force_draw) +{ + if (childp && childp->getParent() == this) + { + ++sDepth; + + if ((childp->getVisible() && childp->getRect().isValid()) + || force_draw) + { + gGL.matrixMode(LLRender::MM_MODELVIEW); + LLUI::pushMatrix(); + { + LLUI::translate((F32)childp->getRect().mLeft + x_offset, (F32)childp->getRect().mBottom + y_offset); + childp->draw(); + } + LLUI::popMatrix(); + } + + --sDepth; + } +} + + +void LLView::reshape(S32 width, S32 height, bool called_from_parent) +{ + // compute how much things changed and apply reshape logic to children + S32 delta_width = width - getRect().getWidth(); + S32 delta_height = height - getRect().getHeight(); + + if (delta_width || delta_height || sForceReshape) + { + // adjust our rectangle + mRect.mRight = getRect().mLeft + width; + mRect.mTop = getRect().mBottom + height; + + // move child views according to reshape flags + for (LLView* viewp : mChildList) + { + if (viewp != NULL) + { + LLRect child_rect( viewp->mRect ); + + if (viewp->followsRight() && viewp->followsLeft()) + { + child_rect.mRight += delta_width; + } + else if (viewp->followsRight()) + { + child_rect.mLeft += delta_width; + child_rect.mRight += delta_width; + } + else if (viewp->followsLeft()) + { + // left is 0, don't need to adjust coords + } + else + { + // BUG what to do when we don't follow anyone? + // for now, same as followsLeft + } + + if (viewp->followsTop() && viewp->followsBottom()) + { + child_rect.mTop += delta_height; + } + else if (viewp->followsTop()) + { + child_rect.mTop += delta_height; + child_rect.mBottom += delta_height; + } + else if (viewp->followsBottom()) + { + // bottom is 0, so don't need to adjust coords + } + else + { + // BUG what to do when we don't follow? + // for now, same as bottom + } + + S32 delta_x = child_rect.mLeft - viewp->getRect().mLeft; + S32 delta_y = child_rect.mBottom - viewp->getRect().mBottom; + viewp->translate( delta_x, delta_y ); + if (child_rect.getWidth() != viewp->getRect().getWidth() + || child_rect.getHeight() != viewp->getRect().getHeight() + || sForceReshape) + { + viewp->reshape(child_rect.getWidth(), child_rect.getHeight()); + } + } + } + } + + if (!called_from_parent) + { + if (mParentView) + { + mParentView->reshape(mParentView->getRect().getWidth(), mParentView->getRect().getHeight(), false); + } + } + + updateBoundingRect(); +} + +LLRect LLView::calcBoundingRect() +{ + LLRect local_bounding_rect = LLRect::null; + + for (LLView* childp : mChildList) + { + // ignore invisible and "top" children when calculating bounding rect + // such as combobox popups + if (!childp->getVisible() || childp == gFocusMgr.getTopCtrl()) + { + continue; + } + + LLRect child_bounding_rect = childp->getBoundingRect(); + + if (local_bounding_rect.isEmpty()) + { + // start out with bounding rect equal to first visible child's bounding rect + local_bounding_rect = child_bounding_rect; + } + else + { + // accumulate non-null children rectangles + if (!child_bounding_rect.isEmpty()) + { + local_bounding_rect.unionWith(child_bounding_rect); + } + } + } + + // convert to parent-relative coordinates + local_bounding_rect.translate(mRect.mLeft, mRect.mBottom); + return local_bounding_rect; +} + + +void LLView::updateBoundingRect() +{ + if (isDead()) return; + + LLRect cur_rect = mBoundingRect; + + if (getUseBoundingRect()) + { + mBoundingRect = calcBoundingRect(); + } + else + { + mBoundingRect = mRect; + } + + // give parent view a chance to resize, in case we just moved, for example + if (getParent() && getParent()->getUseBoundingRect()) + { + getParent()->updateBoundingRect(); + } + + if (mBoundingRect != cur_rect) + { + dirtyRect(); + } + +} + +LLRect LLView::calcScreenRect() const +{ + LLRect screen_rect; + localPointToScreen(0, 0, &screen_rect.mLeft, &screen_rect.mBottom); + localPointToScreen(getRect().getWidth(), getRect().getHeight(), &screen_rect.mRight, &screen_rect.mTop); + return screen_rect; +} + +LLRect LLView::calcScreenBoundingRect() const +{ + LLRect screen_rect; + // get bounding rect, if used + LLRect bounding_rect = getUseBoundingRect() ? mBoundingRect : mRect; + + // convert to local coordinates, as defined by mRect + bounding_rect.translate(-mRect.mLeft, -mRect.mBottom); + + localPointToScreen(bounding_rect.mLeft, bounding_rect.mBottom, &screen_rect.mLeft, &screen_rect.mBottom); + localPointToScreen(bounding_rect.mRight, bounding_rect.mTop, &screen_rect.mRight, &screen_rect.mTop); + return screen_rect; +} + +LLRect LLView::getLocalBoundingRect() const +{ + LLRect local_bounding_rect = getBoundingRect(); + local_bounding_rect.translate(-mRect.mLeft, -mRect.mBottom); + + return local_bounding_rect; +} + + +LLRect LLView::getLocalRect() const +{ + LLRect local_rect(0, getRect().getHeight(), getRect().getWidth(), 0); + return local_rect; +} + +LLRect LLView::getLocalSnapRect() const +{ + LLRect local_snap_rect = getSnapRect(); + local_snap_rect.translate(-getRect().mLeft, -getRect().mBottom); + return local_snap_rect; +} + +bool LLView::hasAncestor(const LLView* parentp) const +{ + if (!parentp) + { + return false; + } + + LLView* viewp = getParent(); + while(viewp) + { + if (viewp == parentp) + { + return true; + } + viewp = viewp->getParent(); + } + + return false; +} + +//----------------------------------------------------------------------------- + +bool LLView::childHasKeyboardFocus( const std::string& childname ) const +{ + LLView *focus = dynamic_cast<LLView *>(gFocusMgr.getKeyboardFocus()); + + while (focus != NULL) + { + if (focus->getName() == childname) + { + return true; + } + + focus = focus->getParent(); + } + + return false; +} + +//----------------------------------------------------------------------------- + +bool LLView::hasChild(const std::string& childname, bool recurse) const +{ + return findChildView(childname, recurse) != NULL; +} + +//----------------------------------------------------------------------------- +// getChildView() +//----------------------------------------------------------------------------- +LLView* LLView::getChildView(const std::string& name, bool recurse) const +{ + return getChild<LLView>(name, recurse); +} + +LLView* LLView::findChildView(const std::string& name, bool recurse) const +{ + LL_PROFILE_ZONE_SCOPED_CATEGORY_UI; + + // Look for direct children *first* + for (LLView* childp : mChildList) + { + llassert(childp); + if (childp->getName() == name) + { + return childp; + } + } + if (recurse) + { + // Look inside each child as well. + for (LLView* childp : mChildList) + { + llassert(childp); + LLView* viewp = childp->findChildView(name, recurse); + if ( viewp ) + { + return viewp; + } + } + } + return NULL; +} + +bool LLView::parentPointInView(S32 x, S32 y, EHitTestType type) const +{ + return (getUseBoundingRect() && type == HIT_TEST_USE_BOUNDING_RECT) + ? mBoundingRect.pointInRect( x, y ) + : mRect.pointInRect( x, y ); +} + +bool LLView::pointInView(S32 x, S32 y, EHitTestType type) const +{ + return (getUseBoundingRect() && type == HIT_TEST_USE_BOUNDING_RECT) + ? mBoundingRect.pointInRect( x + mRect.mLeft, y + mRect.mBottom ) + : mRect.localPointInRect( x, y ); +} + +bool LLView::blockMouseEvent(S32 x, S32 y) const +{ + return mMouseOpaque && pointInView(x, y, HIT_TEST_IGNORE_BOUNDING_RECT); +} + +// virtual +void LLView::screenPointToLocal(S32 screen_x, S32 screen_y, S32* local_x, S32* local_y) const +{ + *local_x = screen_x - getRect().mLeft; + *local_y = screen_y - getRect().mBottom; + + const LLView* cur = this; + while( cur->mParentView ) + { + cur = cur->mParentView; + *local_x -= cur->getRect().mLeft; + *local_y -= cur->getRect().mBottom; + } +} + +void LLView::localPointToScreen(S32 local_x, S32 local_y, S32* screen_x, S32* screen_y) const +{ + *screen_x = local_x; + *screen_y = local_y; + + const LLView* cur = this; + do + { + LLRect cur_rect = cur->getRect(); + *screen_x += cur_rect.mLeft; + *screen_y += cur_rect.mBottom; + cur = cur->mParentView; + } + while( cur ); +} + +void LLView::screenRectToLocal(const LLRect& screen, LLRect* local) const +{ + *local = screen; + local->translate( -getRect().mLeft, -getRect().mBottom ); + + const LLView* cur = this; + while( cur->mParentView ) + { + cur = cur->mParentView; + local->translate( -cur->getRect().mLeft, -cur->getRect().mBottom ); + } +} + +void LLView::localRectToScreen(const LLRect& local, LLRect* screen) const +{ + *screen = local; + screen->translate( getRect().mLeft, getRect().mBottom ); + + const LLView* cur = this; + while( cur->mParentView ) + { + cur = cur->mParentView; + screen->translate( cur->getRect().mLeft, cur->getRect().mBottom ); + } +} + +LLView* LLView::getRootView() +{ + LLView* view = this; + while( view->mParentView ) + { + view = view->mParentView; + } + return view; +} + +LLView* LLView::findPrevSibling(LLView* child) +{ + child_list_t::iterator prev_it = std::find(mChildList.begin(), mChildList.end(), child); + if (prev_it != mChildList.end() && prev_it != mChildList.begin()) + { + return *(--prev_it); + } + return NULL; +} + +LLView* LLView::findNextSibling(LLView* child) +{ + child_list_t::iterator next_it = std::find(mChildList.begin(), mChildList.end(), child); + if (next_it != mChildList.end()) + { + next_it++; + } + + return (next_it != mChildList.end()) ? *next_it : NULL; +} + + +LLCoordGL getNeededTranslation(const LLRect& input, const LLRect& constraint, S32 min_overlap_pixels) +{ + LLCoordGL delta; + + const S32 KEEP_ONSCREEN_PIXELS_WIDTH = llmin(min_overlap_pixels, input.getWidth()); + const S32 KEEP_ONSCREEN_PIXELS_HEIGHT = llmin(min_overlap_pixels, input.getHeight()); + + if (KEEP_ONSCREEN_PIXELS_WIDTH <= constraint.getWidth() && + KEEP_ONSCREEN_PIXELS_HEIGHT <= constraint.getHeight()) + { + if (input.mRight - KEEP_ONSCREEN_PIXELS_WIDTH < constraint.mLeft) + { + delta.mX = constraint.mLeft - (input.mRight - KEEP_ONSCREEN_PIXELS_WIDTH); + } + else if (input.mLeft + KEEP_ONSCREEN_PIXELS_WIDTH > constraint.mRight) + { + delta.mX = constraint.mRight - (input.mLeft + KEEP_ONSCREEN_PIXELS_WIDTH); + } + + if (input.mTop > constraint.mTop) + { + delta.mY = constraint.mTop - input.mTop; + } + else if (input.mTop - KEEP_ONSCREEN_PIXELS_HEIGHT < constraint.mBottom) + { + delta.mY = constraint.mBottom - (input.mTop - KEEP_ONSCREEN_PIXELS_HEIGHT); + } + } + + return delta; +} + +// Moves the view so that it is entirely inside of constraint. +// If the view will not fit because it's too big, aligns with the top and left. +// (Why top and left? That's where the drag bars are for floaters.) +bool LLView::translateIntoRect(const LLRect& constraint, S32 min_overlap_pixels) +{ + return translateRectIntoRect(getRect(), constraint, min_overlap_pixels); +} + +bool LLView::translateRectIntoRect(const LLRect& rect, const LLRect& constraint, S32 min_overlap_pixels) +{ + LLCoordGL translation = getNeededTranslation(rect, constraint, min_overlap_pixels); + + if (translation.mX != 0 || translation.mY != 0) + { + translate(translation.mX, translation.mY); + return true; + } + + return false; +} + +// move this view into "inside" but not onto "exclude" +// NOTE: if this view is already contained in "inside", we ignore the "exclude" rect +bool LLView::translateIntoRectWithExclusion( const LLRect& inside, const LLRect& exclude, S32 min_overlap_pixels) +{ + LLCoordGL translation = getNeededTranslation(getRect(), inside, min_overlap_pixels); + + if (translation.mX != 0 || translation.mY != 0) + { + // translate ourselves into constraint rect + translate(translation.mX, translation.mY); + + // do we overlap with exclusion area? + // keep moving in the same direction to the other side of the exclusion rect + if (exclude.overlaps(getRect())) + { + // moving right + if (translation.mX > 0) + { + translate(exclude.mRight - getRect().mLeft, 0); + } + // moving left + else if (translation.mX < 0) + { + translate(exclude.mLeft - getRect().mRight, 0); + } + + // moving up + if (translation.mY > 0) + { + translate(0, exclude.mTop - getRect().mBottom); + } + // moving down + else if (translation.mY < 0) + { + translate(0, exclude.mBottom - getRect().mTop); + } + } + + return true; + } + return false; +} + + +void LLView::centerWithin(const LLRect& bounds) +{ + S32 left = bounds.mLeft + (bounds.getWidth() - getRect().getWidth()) / 2; + S32 bottom = bounds.mBottom + (bounds.getHeight() - getRect().getHeight()) / 2; + + translate( left - getRect().mLeft, bottom - getRect().mBottom ); +} + +bool LLView::localPointToOtherView( S32 x, S32 y, S32 *other_x, S32 *other_y, const LLView* other_view) const +{ + const LLView* cur_view = this; + const LLView* root_view = NULL; + + while (cur_view) + { + if (cur_view == other_view) + { + *other_x = x; + *other_y = y; + return true; + } + + x += cur_view->getRect().mLeft; + y += cur_view->getRect().mBottom; + + cur_view = cur_view->getParent(); + root_view = cur_view; + } + + // assuming common root between two views, chase other_view's parents up to root + cur_view = other_view; + while (cur_view) + { + x -= cur_view->getRect().mLeft; + y -= cur_view->getRect().mBottom; + + cur_view = cur_view->getParent(); + + if (cur_view == root_view) + { + *other_x = x; + *other_y = y; + return true; + } + } + + *other_x = x; + *other_y = y; + return false; +} + +bool LLView::localRectToOtherView( const LLRect& local, LLRect* other, const LLView* other_view ) const +{ + LLRect cur_rect = local; + const LLView* cur_view = this; + const LLView* root_view = NULL; + + while (cur_view) + { + if (cur_view == other_view) + { + *other = cur_rect; + return true; + } + + cur_rect.translate(cur_view->getRect().mLeft, cur_view->getRect().mBottom); + + cur_view = cur_view->getParent(); + root_view = cur_view; + } + + // assuming common root between two views, chase other_view's parents up to root + cur_view = other_view; + while (cur_view) + { + cur_rect.translate(-cur_view->getRect().mLeft, -cur_view->getRect().mBottom); + + cur_view = cur_view->getParent(); + + if (cur_view == root_view) + { + *other = cur_rect; + return true; + } + } + + *other = cur_rect; + return false; +} + + +class CompareByTabOrder +{ +public: + CompareByTabOrder(const LLView::child_tab_order_t& order, S32 default_tab_group = 0) + : mTabOrder(order), + mDefaultTabGroup(default_tab_group) + {} + virtual ~CompareByTabOrder() {} + + // This method compares two LLViews by the tab order specified in the comparator object. The + // code for this is a little convoluted because each argument can have four states: + // 1) not a control, 2) a control but not in the tab order, 3) a control in the tab order, 4) null + bool operator() (const LLView* const a, const LLView* const b) const + { + S32 a_group = 0, b_group = 0; + if(!a) return false; + if(!b) return true; + + LLView::child_tab_order_const_iter_t a_found = mTabOrder.find(a), b_found = mTabOrder.find(b); + if(a_found != mTabOrder.end()) + { + a_group = a_found->second; + } + if(b_found != mTabOrder.end()) + { + b_group = b_found->second; + } + + if(a_group < mDefaultTabGroup && b_group >= mDefaultTabGroup) return true; + if(b_group < mDefaultTabGroup && a_group >= mDefaultTabGroup) return false; + return a_group > b_group; // sort correctly if they're both on the same side of the default tab groupreturn a > b; + } +private: + // ok to store a reference, as this should only be allocated on stack during view query operations + const LLView::child_tab_order_t& mTabOrder; + const S32 mDefaultTabGroup; +}; + +class SortByTabOrder : public LLQuerySorter, public LLSingleton<SortByTabOrder> +{ + LLSINGLETON_EMPTY_CTOR(SortByTabOrder); + /*virtual*/ void sort(LLView * parent, LLView::child_list_t &children) const override + { + children.sort(CompareByTabOrder(parent->getTabOrder(), parent->getDefaultTabGroup())); + } +}; + +// static +const LLViewQuery & LLView::getTabOrderQuery() +{ + static LLViewQuery query; + if(query.getPreFilters().size() == 0) { + query.addPreFilter(LLVisibleFilter::getInstance()); + query.addPreFilter(LLEnabledFilter::getInstance()); + query.addPreFilter(LLTabStopFilter::getInstance()); + query.addPostFilter(LLLeavesFilter::getInstance()); + query.setSorter(SortByTabOrder::getInstance()); + } + return query; +} + +// This class is only used internally by getFocusRootsQuery below. +class LLFocusRootsFilter : public LLQueryFilter, public LLSingleton<LLFocusRootsFilter> +{ + LLSINGLETON_EMPTY_CTOR(LLFocusRootsFilter); + /*virtual*/ filterResult_t operator() (const LLView* const view, const viewList_t & children) const override + { + return filterResult_t(view->isCtrl() && view->isFocusRoot(), !view->isFocusRoot()); + } +}; + +// static +const LLViewQuery & LLView::getFocusRootsQuery() +{ + static LLViewQuery query; + if(query.getPreFilters().size() == 0) { + query.addPreFilter(LLVisibleFilter::getInstance()); + query.addPreFilter(LLEnabledFilter::getInstance()); + query.addPreFilter(LLFocusRootsFilter::getInstance()); + query.addPostFilter(LLRootsFilter::getInstance()); + } + return query; +} + + +void LLView::setShape(const LLRect& new_rect, bool by_user) +{ + if (new_rect != getRect()) + { + handleReshape(new_rect, by_user); + } +} + +void LLView::handleReshape(const LLRect& new_rect, bool by_user) +{ + reshape(new_rect.getWidth(), new_rect.getHeight()); + translate(new_rect.mLeft - getRect().mLeft, new_rect.mBottom - getRect().mBottom); +} + +LLView* LLView::findSnapRect(LLRect& new_rect, const LLCoordGL& mouse_dir, + LLView::ESnapType snap_type, S32 threshold, S32 padding) +{ + new_rect = mRect; + LLView* snap_view = NULL; + + if (!mParentView) + { + return NULL; + } + + S32 delta_x = 0; + S32 delta_y = 0; + if (mouse_dir.mX >= 0) + { + S32 new_right = mRect.mRight; + LLView* view = findSnapEdge(new_right, mouse_dir, SNAP_RIGHT, snap_type, threshold, padding); + delta_x = new_right - mRect.mRight; + snap_view = view ? view : snap_view; + } + + if (mouse_dir.mX <= 0) + { + S32 new_left = mRect.mLeft; + LLView* view = findSnapEdge(new_left, mouse_dir, SNAP_LEFT, snap_type, threshold, padding); + delta_x = new_left - mRect.mLeft; + snap_view = view ? view : snap_view; + } + + if (mouse_dir.mY >= 0) + { + S32 new_top = mRect.mTop; + LLView* view = findSnapEdge(new_top, mouse_dir, SNAP_TOP, snap_type, threshold, padding); + delta_y = new_top - mRect.mTop; + snap_view = view ? view : snap_view; + } + + if (mouse_dir.mY <= 0) + { + S32 new_bottom = mRect.mBottom; + LLView* view = findSnapEdge(new_bottom, mouse_dir, SNAP_BOTTOM, snap_type, threshold, padding); + delta_y = new_bottom - mRect.mBottom; + snap_view = view ? view : snap_view; + } + + new_rect.translate(delta_x, delta_y); + return snap_view; +} + +LLView* LLView::findSnapEdge(S32& new_edge_val, const LLCoordGL& mouse_dir, ESnapEdge snap_edge, ESnapType snap_type, S32 threshold, S32 padding) +{ + LLRect snap_rect = getSnapRect(); + S32 snap_pos = 0; + switch(snap_edge) + { + case SNAP_LEFT: + snap_pos = snap_rect.mLeft; + break; + case SNAP_RIGHT: + snap_pos = snap_rect.mRight; + break; + case SNAP_TOP: + snap_pos = snap_rect.mTop; + break; + case SNAP_BOTTOM: + snap_pos = snap_rect.mBottom; + break; + } + + if (!mParentView) + { + new_edge_val = snap_pos; + return NULL; + } + + LLView* snap_view = NULL; + + // If the view is near the edge of its parent, snap it to + // the edge. + LLRect test_rect = snap_rect; + test_rect.stretch(padding); + + S32 x_threshold = threshold; + S32 y_threshold = threshold; + + LLRect parent_local_snap_rect = mParentView->getLocalSnapRect(); + + if (snap_type == SNAP_PARENT || snap_type == SNAP_PARENT_AND_SIBLINGS) + { + switch(snap_edge) + { + case SNAP_RIGHT: + if (llabs(parent_local_snap_rect.mRight - test_rect.mRight) <= x_threshold + && (parent_local_snap_rect.mRight - test_rect.mRight) * mouse_dir.mX >= 0) + { + snap_pos = parent_local_snap_rect.mRight - padding; + snap_view = mParentView; + x_threshold = llabs(parent_local_snap_rect.mRight - test_rect.mRight); + } + break; + case SNAP_LEFT: + if (llabs(test_rect.mLeft - parent_local_snap_rect.mLeft) <= x_threshold + && test_rect.mLeft * mouse_dir.mX <= 0) + { + snap_pos = parent_local_snap_rect.mLeft + padding; + snap_view = mParentView; + x_threshold = llabs(test_rect.mLeft - parent_local_snap_rect.mLeft); + } + break; + case SNAP_BOTTOM: + if (llabs(test_rect.mBottom - parent_local_snap_rect.mBottom) <= y_threshold + && test_rect.mBottom * mouse_dir.mY <= 0) + { + snap_pos = parent_local_snap_rect.mBottom + padding; + snap_view = mParentView; + y_threshold = llabs(test_rect.mBottom - parent_local_snap_rect.mBottom); + } + break; + case SNAP_TOP: + if (llabs(parent_local_snap_rect.mTop - test_rect.mTop) <= y_threshold && (parent_local_snap_rect.mTop - test_rect.mTop) * mouse_dir.mY >= 0) + { + snap_pos = parent_local_snap_rect.mTop - padding; + snap_view = mParentView; + y_threshold = llabs(parent_local_snap_rect.mTop - test_rect.mTop); + } + break; + default: + LL_ERRS() << "Invalid snap edge" << LL_ENDL; + } + } + + if (snap_type == SNAP_SIBLINGS || snap_type == SNAP_PARENT_AND_SIBLINGS) + { + for ( child_list_const_iter_t child_it = mParentView->getChildList()->begin(); + child_it != mParentView->getChildList()->end(); ++child_it) + { + LLView* siblingp = *child_it; + + if (!canSnapTo(siblingp)) continue; + + LLRect sibling_rect = siblingp->getSnapRect(); + + switch(snap_edge) + { + case SNAP_RIGHT: + if (llabs(test_rect.mRight - sibling_rect.mLeft) <= x_threshold + && (test_rect.mRight - sibling_rect.mLeft) * mouse_dir.mX <= 0) + { + snap_pos = sibling_rect.mLeft - padding; + snap_view = siblingp; + x_threshold = llabs(test_rect.mRight - sibling_rect.mLeft); + } + // if snapped with sibling along other axis, check for shared edge + else if (llabs(sibling_rect.mTop - (test_rect.mBottom - padding)) <= y_threshold + || llabs(sibling_rect.mBottom - (test_rect.mTop + padding)) <= x_threshold) + { + if (llabs(test_rect.mRight - sibling_rect.mRight) <= x_threshold + && (test_rect.mRight - sibling_rect.mRight) * mouse_dir.mX <= 0) + { + snap_pos = sibling_rect.mRight; + snap_view = siblingp; + x_threshold = llabs(test_rect.mRight - sibling_rect.mRight); + } + } + break; + case SNAP_LEFT: + if (llabs(test_rect.mLeft - sibling_rect.mRight) <= x_threshold + && (test_rect.mLeft - sibling_rect.mRight) * mouse_dir.mX <= 0) + { + snap_pos = sibling_rect.mRight + padding; + snap_view = siblingp; + x_threshold = llabs(test_rect.mLeft - sibling_rect.mRight); + } + // if snapped with sibling along other axis, check for shared edge + else if (llabs(sibling_rect.mTop - (test_rect.mBottom - padding)) <= y_threshold + || llabs(sibling_rect.mBottom - (test_rect.mTop + padding)) <= y_threshold) + { + if (llabs(test_rect.mLeft - sibling_rect.mLeft) <= x_threshold + && (test_rect.mLeft - sibling_rect.mLeft) * mouse_dir.mX <= 0) + { + snap_pos = sibling_rect.mLeft; + snap_view = siblingp; + x_threshold = llabs(test_rect.mLeft - sibling_rect.mLeft); + } + } + break; + case SNAP_BOTTOM: + if (llabs(test_rect.mBottom - sibling_rect.mTop) <= y_threshold + && (test_rect.mBottom - sibling_rect.mTop) * mouse_dir.mY <= 0) + { + snap_pos = sibling_rect.mTop + padding; + snap_view = siblingp; + y_threshold = llabs(test_rect.mBottom - sibling_rect.mTop); + } + // if snapped with sibling along other axis, check for shared edge + else if (llabs(sibling_rect.mRight - (test_rect.mLeft - padding)) <= x_threshold + || llabs(sibling_rect.mLeft - (test_rect.mRight + padding)) <= x_threshold) + { + if (llabs(test_rect.mBottom - sibling_rect.mBottom) <= y_threshold + && (test_rect.mBottom - sibling_rect.mBottom) * mouse_dir.mY <= 0) + { + snap_pos = sibling_rect.mBottom; + snap_view = siblingp; + y_threshold = llabs(test_rect.mBottom - sibling_rect.mBottom); + } + } + break; + case SNAP_TOP: + if (llabs(test_rect.mTop - sibling_rect.mBottom) <= y_threshold + && (test_rect.mTop - sibling_rect.mBottom) * mouse_dir.mY <= 0) + { + snap_pos = sibling_rect.mBottom - padding; + snap_view = siblingp; + y_threshold = llabs(test_rect.mTop - sibling_rect.mBottom); + } + // if snapped with sibling along other axis, check for shared edge + else if (llabs(sibling_rect.mRight - (test_rect.mLeft - padding)) <= x_threshold + || llabs(sibling_rect.mLeft - (test_rect.mRight + padding)) <= x_threshold) + { + if (llabs(test_rect.mTop - sibling_rect.mTop) <= y_threshold + && (test_rect.mTop - sibling_rect.mTop) * mouse_dir.mY <= 0) + { + snap_pos = sibling_rect.mTop; + snap_view = siblingp; + y_threshold = llabs(test_rect.mTop - sibling_rect.mTop); + } + } + break; + default: + LL_ERRS() << "Invalid snap edge" << LL_ENDL; + } + } + } + + new_edge_val = snap_pos; + return snap_view; +} + +//----------------------------------------------------------------------------- +// Listener dispatch functions +//----------------------------------------------------------------------------- + + +LLControlVariable *LLView::findControl(const std::string& name) +{ + // parse the name to locate which group it belongs to + std::size_t key_pos= name.find("."); + if(key_pos!= std::string::npos ) + { + std::string control_group_key = name.substr(0, key_pos); + LLControlVariable* control; + // check if it's in the control group that name indicated + if(LLUI::getInstance()->mSettingGroups[control_group_key]) + { + control = LLUI::getInstance()->mSettingGroups[control_group_key]->getControl(name); + if (control) + { + return control; + } + } + } + + LLControlGroup& control_group = LLUI::getInstance()->getControlControlGroup(name); + return control_group.getControl(name); +} + +void LLView::initFromParams(const LLView::Params& params) +{ + LLRect required_rect = getRequiredRect(); + + S32 width = llmax(getRect().getWidth(), required_rect.getWidth()); + S32 height = llmax(getRect().getHeight(), required_rect.getHeight()); + + reshape(width, height); + + // call virtual methods with most recent data + // use getters because these values might not come through parameter block + setEnabled(getEnabled()); + setVisible(getVisible()); + + if (!params.name().empty()) + { + setName(params.name()); + } + + mLayout = params.layout(); +} + +void LLView::parseFollowsFlags(const LLView::Params& params) +{ + // preserve follows flags set by code if user did not override + if (!params.follows.isProvided()) + { + return; + } + + // interpret either string or bitfield version of follows + if (params.follows.string.isChosen()) + { + setFollows(FOLLOWS_NONE); + + std::string follows = params.follows.string; + + typedef boost::tokenizer<boost::char_separator<char> > tokenizer; + boost::char_separator<char> sep("|"); + tokenizer tokens(follows, sep); + tokenizer::iterator token_iter = tokens.begin(); + + while(token_iter != tokens.end()) + { + const std::string& token_str = *token_iter; + if (token_str == "left") + { + setFollowsLeft(); + } + else if (token_str == "right") + { + setFollowsRight(); + } + else if (token_str == "top") + { + setFollowsTop(); + } + else if (token_str == "bottom") + { + setFollowsBottom(); + } + else if (token_str == "all") + { + setFollowsAll(); + } + ++token_iter; + } + } + else if (params.follows.flags.isChosen()) + { + setFollows(params.follows.flags); + } +} + + +// static +//LLFontGL::HAlign LLView::selectFontHAlign(LLXMLNodePtr node) +//{ +// LLFontGL::HAlign gl_hfont_align = LLFontGL::LEFT; +// +// if (node->hasAttribute("halign")) +// { +// std::string horizontal_align_name; +// node->getAttributeString("halign", horizontal_align_name); +// gl_hfont_align = LLFontGL::hAlignFromName(horizontal_align_name); +// } +// return gl_hfont_align; +//} + +// Return the rectangle of the last-constructed child, +// if present and a first-class widget (eg, not a close box or drag handle) +// Returns true if found +static bool get_last_child_rect(LLView* parent, LLRect *rect) +{ + if (!parent) return false; + + LLView::child_list_t::const_iterator itor = + parent->getChildList()->begin(); + for (;itor != parent->getChildList()->end(); ++itor) + { + LLView *last_view = (*itor); + if (last_view->getFromXUI()) + { + *rect = last_view->getRect(); + return true; + } + } + return false; +} + +//static +void LLView::applyXUILayout(LLView::Params& p, LLView* parent, LLRect layout_rect) +{ + if (!parent) return; + + const S32 VPAD = 4; + const S32 MIN_WIDGET_HEIGHT = 10; + + // *NOTE: This will confuse export of floater/panel coordinates unless + // the default is also "topleft". JC + if (p.layout().empty()) + { + p.layout = parent->getLayout(); + } + + if (layout_rect.isEmpty()) + { + layout_rect = parent->getLocalRect(); + } + + // overwrite uninitialized rect params, using context + LLRect default_rect = parent->getLocalRect(); + + bool layout_topleft = (p.layout() == "topleft"); + + // convert negative or centered coordinates to parent relative values + // Note: some of this logic matches the logic in TypedParam<LLRect>::setValueFromBlock() + if (p.rect.left.isProvided()) + { + p.rect.left = p.rect.left + ((p.rect.left >= 0) ? layout_rect.mLeft : layout_rect.mRight); + } + if (p.rect.right.isProvided()) + { + p.rect.right = p.rect.right + ((p.rect.right >= 0) ? layout_rect.mLeft : layout_rect.mRight); + } + if (p.rect.bottom.isProvided()) + { + p.rect.bottom = p.rect.bottom + ((p.rect.bottom >= 0) ? layout_rect.mBottom : layout_rect.mTop); + if (layout_topleft) + { + //invert top to bottom + p.rect.bottom = layout_rect.mBottom + layout_rect.mTop - p.rect.bottom; + } + } + if (p.rect.top.isProvided()) + { + p.rect.top = p.rect.top + ((p.rect.top >= 0) ? layout_rect.mBottom : layout_rect.mTop); + if (layout_topleft) + { + //invert top to bottom + p.rect.top = layout_rect.mBottom + layout_rect.mTop - p.rect.top; + } + } + + // DEPRECATE: automatically fall back to height of MIN_WIDGET_HEIGHT pixels + if (!p.rect.height.isProvided() && !p.rect.top.isProvided() && p.rect.height == 0) + { + p.rect.height = MIN_WIDGET_HEIGHT; + } + + default_rect.translate(0, default_rect.getHeight()); + + // If there was a recently constructed child, use its rectangle + get_last_child_rect(parent, &default_rect); + + if (layout_topleft) + { + // Invert the sense of bottom_delta for topleft layout + if (p.bottom_delta.isProvided()) + { + p.bottom_delta = -p.bottom_delta; + } + else if (p.top_pad.isProvided()) + { + p.bottom_delta = -(p.rect.height + p.top_pad); + } + else if (p.top_delta.isProvided()) + { + p.bottom_delta = + -(p.top_delta + p.rect.height - default_rect.getHeight()); + } + else if (!p.left_delta.isProvided() + && !p.left_pad.isProvided()) + { + // set default position is just below last rect + p.bottom_delta.set(-(p.rect.height + VPAD), false); + } + else + { + p.bottom_delta.set(0, false); + } + + // default to same left edge + if (!p.left_delta.isProvided()) + { + p.left_delta.set(0, false); + } + if (p.left_pad.isProvided()) + { + // left_pad is based on prior widget's right edge + p.left_delta.set(p.left_pad + default_rect.getWidth(), false); + } + + default_rect.translate(p.left_delta, p.bottom_delta); + } + else + { + // set default position is just below last rect + if (!p.bottom_delta.isProvided()) + { + p.bottom_delta.set(-(p.rect.height + VPAD), false); + } + if (!p.left_delta.isProvided()) + { + p.left_delta.set(0, false); + } + default_rect.translate(p.left_delta, p.bottom_delta); + } + + // this handles case where *both* x and x_delta are provided + // ignore x in favor of default x + x_delta + if (p.bottom_delta.isProvided()) p.rect.bottom.set(0, false); + if (p.left_delta.isProvided()) p.rect.left.set(0, false); + + // selectively apply rectangle defaults, making sure that + // params are not flagged as having been "provided" + // as rect params are overconstrained and rely on provided flags + if (!p.rect.left.isProvided()) + { + p.rect.left.set(default_rect.mLeft, false); + //HACK: get around the fact that setting a rect param component value won't invalidate the existing rect object value + p.rect.paramChanged(p.rect.left, true); + } + if (!p.rect.bottom.isProvided()) + { + p.rect.bottom.set(default_rect.mBottom, false); + p.rect.paramChanged(p.rect.bottom, true); + } + if (!p.rect.top.isProvided()) + { + p.rect.top.set(default_rect.mTop, false); + p.rect.paramChanged(p.rect.top, true); + } + if (!p.rect.right.isProvided()) + { + p.rect.right.set(default_rect.mRight, false); + p.rect.paramChanged(p.rect.right, true); + + } + if (!p.rect.width.isProvided()) + { + p.rect.width.set(default_rect.getWidth(), false); + p.rect.paramChanged(p.rect.width, true); + } + if (!p.rect.height.isProvided()) + { + p.rect.height.set(default_rect.getHeight(), false); + p.rect.paramChanged(p.rect.height, true); + } +} + +static S32 invert_vertical(S32 y, LLView* parent) +{ + if (y < 0) + { + // already based on top-left, just invert + return -y; + } + else if (parent) + { + // use parent to flip coordinate + S32 parent_height = parent->getRect().getHeight(); + return parent_height - y; + } + else + { + LL_WARNS() << "Attempting to convert layout to top-left with no parent" << LL_ENDL; + return y; + } +} + +// Assumes that input is in bottom-left coordinates, hence must call +// _before_ convert_coords_to_top_left(). +static void convert_to_relative_layout(LLView::Params& p, LLView* parent) +{ + // Use setupParams to get the final widget rectangle + // according to our wacky layout rules. + LLView::Params final = p; + LLView::applyXUILayout(final, parent); + // Must actually extract the rectangle to get consistent + // right = left+width, top = bottom+height + LLRect final_rect = final.rect; + + // We prefer to write out top edge instead of bottom, regardless + // of whether we use relative positioning + bool converted_top = false; + + // Look for a last rectangle + LLRect last_rect; + if (get_last_child_rect(parent, &last_rect)) + { + // ...we have a previous widget to compare to + const S32 EDGE_THRESHOLD_PIXELS = 4; + S32 left_pad = final_rect.mLeft - last_rect.mRight; + S32 left_delta = final_rect.mLeft - last_rect.mLeft; + S32 top_pad = final_rect.mTop - last_rect.mBottom; + S32 top_delta = final_rect.mTop - last_rect.mTop; + // If my left edge is almost the same, or my top edge is + // almost the same... + if (llabs(left_delta) <= EDGE_THRESHOLD_PIXELS + || llabs(top_delta) <= EDGE_THRESHOLD_PIXELS) + { + // ...use relative positioning + // prefer top_pad if widgets are stacking vertically + // (coordinate system is still bottom-left here) + if (top_pad < 0) + { + p.top_pad = top_pad; + p.top_delta.setProvided(false); + } + else + { + p.top_pad.setProvided(false); + p.top_delta = top_delta; + } + // null out other vertical specifiers + p.rect.top.setProvided(false); + p.rect.bottom.setProvided(false); + p.bottom_delta.setProvided(false); + converted_top = true; + + // prefer left_pad if widgets are stacking horizontally + if (left_pad > 0) + { + p.left_pad = left_pad; + p.left_delta.setProvided(false); + } + else + { + p.left_pad.setProvided(false); + p.left_delta = left_delta; + } + p.rect.left.setProvided(false); + p.rect.right.setProvided(false); + } + } + + if (!converted_top) + { + // ...this is the first widget, or one that wasn't aligned + // prefer top/left specification + p.rect.top = final_rect.mTop; + p.rect.bottom.setProvided(false); + p.bottom_delta.setProvided(false); + p.top_pad.setProvided(false); + p.top_delta.setProvided(false); + } +} + +static void convert_coords_to_top_left(LLView::Params& p, LLView* parent) +{ + // Convert the coordinate system to be top-left based. + if (p.rect.top.isProvided()) + { + p.rect.top = invert_vertical(p.rect.top, parent); + } + if (p.rect.bottom.isProvided()) + { + p.rect.bottom = invert_vertical(p.rect.bottom, parent); + } + if (p.top_pad.isProvided()) + { + p.top_pad = -p.top_pad; + } + if (p.top_delta.isProvided()) + { + p.top_delta = -p.top_delta; + } + if (p.bottom_delta.isProvided()) + { + p.bottom_delta = -p.bottom_delta; + } + p.layout = "topleft"; +} + +//static +void LLView::setupParamsForExport(Params& p, LLView* parent) +{ + // Don't convert if already top-left based + if (p.layout() == "topleft") + { + return; + } + + // heuristic: Many of our floaters and panels were bulk-exported. + // These specify exactly bottom/left and height/width. + // Others were done by hand using bottom_delta and/or left_delta. + // Some rely on not specifying left to mean align with left edge. + // Try to convert both to use relative layout, but using top-left + // coordinates. + // Avoid rectangles where top/bottom/left/right was specified. + if (p.rect.height.isProvided() && p.rect.width.isProvided()) + { + if (p.rect.bottom.isProvided() && p.rect.left.isProvided()) + { + // standard bulk export, convert it + convert_to_relative_layout(p, parent); + } + else if (p.rect.bottom.isProvided() && p.left_delta.isProvided()) + { + // hand layout with left_delta + convert_to_relative_layout(p, parent); + } + else if (p.bottom_delta.isProvided()) + { + // hand layout with bottom_delta + // don't check for p.rect.left or p.left_delta because sometimes + // this layout doesn't set it for widgets that are left-aligned + convert_to_relative_layout(p, parent); + } + } + + convert_coords_to_top_left(p, parent); +} + +LLView::tree_iterator_t LLView::beginTreeDFS() +{ + return tree_iterator_t(this, + boost::bind(boost::mem_fn(&LLView::beginChild), _1), + boost::bind(boost::mem_fn(&LLView::endChild), _1)); +} + +LLView::tree_iterator_t LLView::endTreeDFS() +{ + // an empty iterator is an "end" iterator + return tree_iterator_t(); +} + +LLView::tree_post_iterator_t LLView::beginTreeDFSPost() +{ + return tree_post_iterator_t(this, + boost::bind(boost::mem_fn(&LLView::beginChild), _1), + boost::bind(boost::mem_fn(&LLView::endChild), _1)); +} + +LLView::tree_post_iterator_t LLView::endTreeDFSPost() +{ + // an empty iterator is an "end" iterator + return tree_post_iterator_t(); +} + +LLView::bfs_tree_iterator_t LLView::beginTreeBFS() +{ + return bfs_tree_iterator_t(this, + boost::bind(boost::mem_fn(&LLView::beginChild), _1), + boost::bind(boost::mem_fn(&LLView::endChild), _1)); +} + +LLView::bfs_tree_iterator_t LLView::endTreeBFS() +{ + // an empty iterator is an "end" iterator + return bfs_tree_iterator_t(); +} + + +LLView::root_to_view_iterator_t LLView::beginRootToView() +{ + return root_to_view_iterator_t(this, boost::bind(&LLView::getParent, _1)); +} + +LLView::root_to_view_iterator_t LLView::endRootToView() +{ + return root_to_view_iterator_t(); +} + + +// only create maps on demand, as they incur heap allocation/deallocation cost +// when a view is constructed/deconstructed +LLView& LLView::getDefaultWidgetContainer() const +{ + if (!mDefaultWidgets) + { + LLView::Params p; + p.name = "default widget container"; + p.visible = false; // ensures default widgets can't steal focus, etc. + mDefaultWidgets = new LLView(p); + } + return *mDefaultWidgets; +} + +S32 LLView::notifyParent(const LLSD& info) +{ + LLView* parent = getParent(); + if(parent) + return parent->notifyParent(info); + return 0; +} +bool LLView::notifyChildren(const LLSD& info) +{ + bool ret = false; + for (LLView* childp : mChildList) + { + ret = ret || childp->notifyChildren(info); + } + return ret; +} + +// convenient accessor for draw context +const LLViewDrawContext& LLView::getDrawContext() +{ + return LLViewDrawContext::getCurrentContext(); +} + +const LLViewDrawContext& LLViewDrawContext::getCurrentContext() +{ + static LLViewDrawContext default_context; + + if (sDrawContextStack.empty()) + return default_context; + + return *sDrawContextStack.back(); +} + +LLSD LLView::getInfo(void) +{ + LLSD info; + addInfo(info); + return info; +} + +void LLView::addInfo(LLSD & info) +{ + info["path"] = getPathname(); + info["class"] = typeid(*this).name(); + info["visible"] = getVisible(); + info["visible_chain"] = isInVisibleChain(); + info["enabled"] = getEnabled(); + info["enabled_chain"] = isInEnabledChain(); + info["available"] = isAvailable(); + LLRect rect(calcScreenRect()); + info["rect"] = LLSDMap("left", rect.mLeft)("top", rect.mTop) + ("right", rect.mRight)("bottom", rect.mBottom); +} |