/**
* @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>(
std::string_view 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, bool recursive /*= false*/)
{
for (LLView* viewp : mChildList)
{
viewp->setEnabled(b);
}
if (recursive)
{
for (LLView* viewp : mChildList)
{
viewp->setAllChildrenEnabled(b, recursive);
}
}
}
// 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(std::string_view 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(std::string_view 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(std::string_view childname, bool recurse) const
{
return findChildView(childname, recurse) != NULL;
}
//-----------------------------------------------------------------------------
// getChildView()
//-----------------------------------------------------------------------------
LLView* LLView::getChildView(std::string_view name, bool recurse) const
{
return getChild<LLView>(name, recurse);
}
LLView* LLView::findChildView(std::string_view 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(std::string_view name)
{
auto uiInst = LLUI::getInstance();
// parse the name to locate which group it belongs to
std::size_t key_pos= name.find(".");
if(key_pos != std::string_view::npos )
{
std::string_view control_group_key = name.substr(0, key_pos);
LLControlVariable* control;
// check if it's in the control group that name indicated
auto it = uiInst->mSettingGroups.find(control_group_key);
if(it != uiInst->mSettingGroups.end() && it->second)
{
control = it->second->getControl(name);
if (control)
{
return control;
}
}
}
LLControlGroup& control_group = uiInst->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);
}