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-rw-r--r--indra/llui/llfolderviewitem.cpp4736
1 files changed, 2368 insertions, 2368 deletions
diff --git a/indra/llui/llfolderviewitem.cpp b/indra/llui/llfolderviewitem.cpp
index 2bbf23c4bf..a0c7407b06 100644
--- a/indra/llui/llfolderviewitem.cpp
+++ b/indra/llui/llfolderviewitem.cpp
@@ -1,2368 +1,2368 @@
-/**
-* @file llfolderviewitem.cpp
-* @brief Items and folders that can appear in a hierarchical folder view
-*
-* $LicenseInfo:firstyear=2001&license=viewerlgpl$
-* 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 "../newview/llviewerprecompiledheaders.h"
-
-#include "llflashtimer.h"
-
-#include "linden_common.h"
-#include "llfolderviewitem.h"
-#include "llfolderview.h"
-#include "llfolderviewmodel.h"
-#include "llpanel.h"
-#include "llcallbacklist.h"
-#include "llcriticaldamp.h"
-#include "llclipboard.h"
-#include "llfocusmgr.h" // gFocusMgr
-#include "lltrans.h"
-#include "llwindow.h"
-
-///----------------------------------------------------------------------------
-/// Class LLFolderViewItem
-///----------------------------------------------------------------------------
-
-static LLDefaultChildRegistry::Register<LLFolderViewItem> r("folder_view_item");
-
-// statics
-std::map<U8, LLFontGL*> LLFolderViewItem::sFonts; // map of styles to fonts
-
-bool LLFolderViewItem::sColorSetInitialized = false;
-LLUIColor LLFolderViewItem::sFgColor;
-LLUIColor LLFolderViewItem::sHighlightBgColor;
-LLUIColor LLFolderViewItem::sFlashBgColor;
-LLUIColor LLFolderViewItem::sFocusOutlineColor;
-LLUIColor LLFolderViewItem::sMouseOverColor;
-LLUIColor LLFolderViewItem::sFilterBGColor;
-LLUIColor LLFolderViewItem::sFilterTextColor;
-LLUIColor LLFolderViewItem::sSuffixColor;
-LLUIColor LLFolderViewItem::sSearchStatusColor;
-
-// only integers can be initialized in header
-const F32 LLFolderViewItem::FOLDER_CLOSE_TIME_CONSTANT = 0.02f;
-const F32 LLFolderViewItem::FOLDER_OPEN_TIME_CONSTANT = 0.03f;
-
-const LLColor4U DEFAULT_WHITE(255, 255, 255);
-
-
-//static
-LLFontGL* LLFolderViewItem::getLabelFontForStyle(U8 style)
-{
- LLFontGL* rtn = sFonts[style];
- if (!rtn) // grab label font with this style, lazily
- {
- LLFontDescriptor labelfontdesc("SansSerif", "Small", style);
- rtn = LLFontGL::getFont(labelfontdesc);
- if (!rtn)
- {
- rtn = LLFontGL::getFontDefault();
- }
- sFonts[style] = rtn;
- }
- return rtn;
-}
-
-//static
-void LLFolderViewItem::initClass()
-{
-}
-
-//static
-void LLFolderViewItem::cleanupClass()
-{
- sFonts.clear();
-}
-
-
-// NOTE: Optimize this, we call it a *lot* when opening a large inventory
-LLFolderViewItem::Params::Params()
-: root(),
- listener(),
- folder_arrow_image("folder_arrow_image"),
- folder_indentation("folder_indentation"),
- selection_image("selection_image"),
- item_height("item_height"),
- item_top_pad("item_top_pad"),
- creation_date(),
- allow_wear("allow_wear", true),
- allow_drop("allow_drop", true),
- font_color("font_color"),
- font_highlight_color("font_highlight_color"),
- left_pad("left_pad", 0),
- icon_pad("icon_pad", 0),
- icon_width("icon_width", 0),
- text_pad("text_pad", 0),
- text_pad_right("text_pad_right", 0),
- single_folder_mode("single_folder_mode", false),
- double_click_override("double_click_override", false),
- arrow_size("arrow_size", 0),
- max_folder_item_overlap("max_folder_item_overlap", 0)
-{ }
-
-// Default constructor
-LLFolderViewItem::LLFolderViewItem(const LLFolderViewItem::Params& p)
-: LLView(p),
- mLabelWidth(0),
- mLabelWidthDirty(false),
- mSuffixNeedsRefresh(false),
- mLabelPaddingRight(DEFAULT_LABEL_PADDING_RIGHT),
- mParentFolder( NULL ),
- mIsSelected( false ),
- mIsCurSelection( false ),
- mSelectPending(false),
- mIsItemCut(false),
- mCutGeneration(0),
- mLabelStyle( LLFontGL::NORMAL ),
- mHasVisibleChildren(false),
- mLocalIndentation(p.folder_indentation),
- mIndentation(0),
- mItemHeight(p.item_height),
- mControlLabelRotation(0.f),
- mDragAndDropTarget(false),
- mLabel(p.name),
- mRoot(p.root),
- mViewModelItem(p.listener),
- mIsMouseOverTitle(false),
- mAllowWear(p.allow_wear),
- mAllowDrop(p.allow_drop),
- mFontColor(p.font_color),
- mFontHighlightColor(p.font_highlight_color),
- mLeftPad(p.left_pad),
- mIconPad(p.icon_pad),
- mIconWidth(p.icon_width),
- mTextPad(p.text_pad),
- mTextPadRight(p.text_pad_right),
- mArrowSize(p.arrow_size),
- mSingleFolderMode(p.single_folder_mode),
- mMaxFolderItemOverlap(p.max_folder_item_overlap),
- mDoubleClickOverride(p.double_click_override)
-{
- if (!sColorSetInitialized)
- {
- sFgColor = LLUIColorTable::instance().getColor("MenuItemEnabledColor", DEFAULT_WHITE);
- sHighlightBgColor = LLUIColorTable::instance().getColor("MenuItemHighlightBgColor", DEFAULT_WHITE);
- sFlashBgColor = LLUIColorTable::instance().getColor("MenuItemFlashBgColor", DEFAULT_WHITE);
- sFocusOutlineColor = LLUIColorTable::instance().getColor("InventoryFocusOutlineColor", DEFAULT_WHITE);
- sMouseOverColor = LLUIColorTable::instance().getColor("InventoryMouseOverColor", DEFAULT_WHITE);
- sFilterBGColor = LLUIColorTable::instance().getColor("FilterBackgroundColor", DEFAULT_WHITE);
- sFilterTextColor = LLUIColorTable::instance().getColor("FilterTextColor", DEFAULT_WHITE);
- sSuffixColor = LLUIColorTable::instance().getColor("InventoryItemLinkColor", DEFAULT_WHITE);
- sSearchStatusColor = LLUIColorTable::instance().getColor("InventorySearchStatusColor", DEFAULT_WHITE);
- sColorSetInitialized = true;
- }
-
- if (mViewModelItem)
- {
- mViewModelItem->setFolderViewItem(this);
- }
-}
-
-// Destroys the object
-LLFolderViewItem::~LLFolderViewItem()
-{
- mViewModelItem = NULL;
- gFocusMgr.removeKeyboardFocusWithoutCallback(this);
-}
-
-bool LLFolderViewItem::postBuild()
-{
- LLFolderViewModelItem* vmi = getViewModelItem();
- llassert(vmi); // not supposed to happen, if happens, find out why and fix
- if (vmi)
- {
- // getDisplayName() is expensive (due to internal getLabelSuffix() and name building)
- // it also sets search strings so it requires a filter reset
- mLabel = vmi->getDisplayName();
- setToolTip(vmi->getName());
-
- // Dirty the filter flag of the model from the view (CHUI-849)
- vmi->dirtyFilter();
- }
-
- // Don't do full refresh on constructor if it is possible to avoid
- // it significantly slows down bulk view creation.
- // Todo: Ideally we need to move getDisplayName() out of constructor as well.
- // Like: make a logic that will let filter update search string,
- // while LLFolderViewItem::arrange() updates visual part
- mSuffixNeedsRefresh = true;
- mLabelWidthDirty = true;
- return true;
-}
-
-LLFolderView* LLFolderViewItem::getRoot()
-{
- return mRoot;
-}
-
-const LLFolderView* LLFolderViewItem::getRoot() const
-{
- return mRoot;
-}
-// Returns true if this object is a child (or grandchild, etc.) of potential_ancestor.
-bool LLFolderViewItem::isDescendantOf( const LLFolderViewFolder* potential_ancestor )
-{
- LLFolderViewItem* root = this;
- while( root->mParentFolder )
- {
- if( root->mParentFolder == potential_ancestor )
- {
- return true;
- }
- root = root->mParentFolder;
- }
- return false;
-}
-
-LLFolderViewItem* LLFolderViewItem::getNextOpenNode(bool include_children)
-{
- if (!mParentFolder)
- {
- return NULL;
- }
-
- LLFolderViewItem* itemp = mParentFolder->getNextFromChild( this, include_children );
- while(itemp && !itemp->getVisible())
- {
- LLFolderViewItem* next_itemp = itemp->mParentFolder->getNextFromChild( itemp, include_children );
- if (itemp == next_itemp)
- {
- // hit last item
- return itemp->getVisible() ? itemp : this;
- }
- itemp = next_itemp;
- }
-
- return itemp;
-}
-
-LLFolderViewItem* LLFolderViewItem::getPreviousOpenNode(bool include_children)
-{
- if (!mParentFolder)
- {
- return NULL;
- }
-
- LLFolderViewItem* itemp = mParentFolder->getPreviousFromChild( this, include_children );
-
- // Skip over items that are invisible or are hidden from the UI.
- while(itemp && !itemp->getVisible())
- {
- LLFolderViewItem* next_itemp = itemp->mParentFolder->getPreviousFromChild( itemp, include_children );
- if (itemp == next_itemp)
- {
- // hit first item
- return itemp->getVisible() ? itemp : this;
- }
- itemp = next_itemp;
- }
-
- return itemp;
-}
-
-bool LLFolderViewItem::passedFilter(S32 filter_generation)
-{
- return getViewModelItem()->passedFilter(filter_generation);
-}
-
-bool LLFolderViewItem::isPotentiallyVisible(S32 filter_generation)
-{
- if (filter_generation < 0)
- {
- filter_generation = getFolderViewModel()->getFilter().getFirstSuccessGeneration();
- }
- LLFolderViewModelItem* model = getViewModelItem();
- bool visible = model->passedFilter(filter_generation);
- if (model->getMarkedDirtyGeneration() >= filter_generation)
- {
- // unsure visibility state
- // retaining previous visibility until item is updated or filter generation changes
- visible |= getVisible();
- }
- return visible;
-}
-
-void LLFolderViewItem::refresh()
-{
- LLFolderViewModelItem& vmi = *getViewModelItem();
-
- mLabel = vmi.getDisplayName();
- setToolTip(vmi.getName());
- // icons are slightly expensive to get, can be optimized
- // see LLInventoryIcon::getIcon()
- mIcon = vmi.getIcon();
- mIconOpen = vmi.getIconOpen();
- mIconOverlay = vmi.getIconOverlay();
-
- if (mRoot->useLabelSuffix())
- {
- // Very Expensive!
- // Can do a number of expensive checks, like checking active motions, wearables or friend list
- mLabelStyle = vmi.getLabelStyle();
- mLabelSuffix = vmi.getLabelSuffix();
- }
-
- // Dirty the filter flag of the model from the view (CHUI-849)
- vmi.dirtyFilter();
-
- mLabelWidthDirty = true;
- mSuffixNeedsRefresh = false;
-}
-
-void LLFolderViewItem::refreshSuffix()
-{
- LLFolderViewModelItem const* vmi = getViewModelItem();
-
- // icons are slightly expensive to get, can be optimized
- // see LLInventoryIcon::getIcon()
- mIcon = vmi->getIcon();
- mIconOpen = vmi->getIconOpen();
- mIconOverlay = vmi->getIconOverlay();
-
- if (mRoot->useLabelSuffix())
- {
- // Very Expensive!
- // Can do a number of expensive checks, like checking active motions, wearables or friend list
- mLabelStyle = vmi->getLabelStyle();
- mLabelSuffix = vmi->getLabelSuffix();
- }
-
- mLabelWidthDirty = true;
- mSuffixNeedsRefresh = false;
-}
-
-// Utility function for LLFolderView
-void LLFolderViewItem::arrangeAndSet(bool set_selection,
- bool take_keyboard_focus)
-{
- LLFolderView* root = getRoot();
- if (getParentFolder())
- {
- getParentFolder()->requestArrange();
- }
- if(set_selection)
- {
- getRoot()->setSelection(this, true, take_keyboard_focus);
- if(root)
- {
- root->scrollToShowSelection();
- }
- }
-}
-
-
-std::set<LLFolderViewItem*> LLFolderViewItem::getSelectionList() const
-{
- std::set<LLFolderViewItem*> selection;
- return selection;
-}
-
-// addToFolder() returns true if it succeeds. false otherwise
-void LLFolderViewItem::addToFolder(LLFolderViewFolder* folder)
-{
- folder->addItem(this);
-
- // Compute indentation since parent folder changed
- mIndentation = (getParentFolder())
- ? getParentFolder()->getIndentation() + mLocalIndentation
- : 0;
-}
-
-
-// Finds width and height of this object and its children. Also
-// makes sure that this view and its children are the right size.
-S32 LLFolderViewItem::arrange( S32* width, S32* height )
-{
- // Only indent deeper items in hierarchy
- mIndentation = (getParentFolder())
- ? getParentFolder()->getIndentation() + mLocalIndentation
- : 0;
- if (mLabelWidthDirty)
- {
- if (mSuffixNeedsRefresh)
- {
- // Expensive. But despite refreshing label,
- // it is purely visual, so it is fine to do at our laisure
- refreshSuffix();
- }
- mLabelWidth = getLabelXPos() + getLabelFontForStyle(mLabelStyle)->getWidth(mLabel) + getLabelFontForStyle(LLFontGL::NORMAL)->getWidth(mLabelSuffix) + mLabelPaddingRight;
- mLabelWidthDirty = false;
- }
-
- *width = llmax(*width, mLabelWidth);
-
- // determine if we need to use ellipses to avoid horizontal scroll. EXT-719
- bool use_ellipses = getRoot()->getUseEllipses();
- if (use_ellipses)
- {
- // limit to set rect to avoid horizontal scrollbar
- *width = llmin(*width, getRoot()->getRect().getWidth());
- }
- *height = getItemHeight();
- return *height;
-}
-
-S32 LLFolderViewItem::getItemHeight() const
-{
- return mItemHeight;
-}
-
-S32 LLFolderViewItem::getLabelXPos()
-{
- return getIndentation() + mArrowSize + mTextPad + mIconWidth + mIconPad;
-}
-
-S32 LLFolderViewItem::getIconPad()
-{
- return mIconPad;
-}
-
-S32 LLFolderViewItem::getTextPad()
-{
- return mTextPad;
-}
-
-// *TODO: This can be optimized a lot by simply recording that it is
-// selected in the appropriate places, and assuming that set selection
-// means 'deselect' for a leaf item. Do this optimization after
-// multiple selection is implemented to make sure it all plays nice
-// together.
-bool LLFolderViewItem::setSelection(LLFolderViewItem* selection, bool openitem, bool take_keyboard_focus)
-{
- if (selection == this && !mIsSelected)
- {
- selectItem();
- }
- else if (mIsSelected) // Deselect everything else.
- {
- deselectItem();
- }
- return mIsSelected;
-}
-
-bool LLFolderViewItem::changeSelection(LLFolderViewItem* selection, bool selected)
-{
- if (selection == this)
- {
- if (mIsSelected)
- {
- deselectItem();
- }
- else
- {
- selectItem();
- }
- return true;
- }
- return false;
-}
-
-void LLFolderViewItem::deselectItem(void)
-{
- mIsSelected = false;
-}
-
-void LLFolderViewItem::selectItem(void)
-{
- if (!mIsSelected)
- {
- mIsSelected = true;
- getViewModelItem()->selectItem();
- }
-}
-
-bool LLFolderViewItem::isMovable()
-{
- return getViewModelItem()->isItemMovable();
-}
-
-bool LLFolderViewItem::isRemovable()
-{
- return getViewModelItem()->isItemRemovable();
-}
-
-void LLFolderViewItem::destroyView()
-{
- getRoot()->removeFromSelectionList(this);
-
- if (mParentFolder)
- {
- // removeView deletes me
- mParentFolder->extractItem(this);
- }
- delete this;
-}
-
-// Call through to the viewed object and return true if it can be
-// removed.
-//bool LLFolderViewItem::removeRecursively(bool single_item)
-bool LLFolderViewItem::remove()
-{
- if(!isRemovable())
- {
- return false;
- }
- return getViewModelItem()->removeItem();
-}
-
-// Build an appropriate context menu for the item.
-void LLFolderViewItem::buildContextMenu(LLMenuGL& menu, U32 flags)
-{
- getViewModelItem()->buildContextMenu(menu, flags);
-}
-
-void LLFolderViewItem::openItem( void )
-{
- if (mAllowWear || !getViewModelItem()->isItemWearable())
- {
- getViewModelItem()->openItem();
- }
-}
-
-void LLFolderViewItem::rename(const std::string& new_name)
-{
- if( !new_name.empty() )
- {
- getViewModelItem()->renameItem(new_name);
- }
-}
-
-const std::string& LLFolderViewItem::getName( void ) const
-{
- static const std::string noName("");
- return getViewModelItem() ? getViewModelItem()->getName() : noName;
-}
-
-// LLView functionality
-bool LLFolderViewItem::handleRightMouseDown( S32 x, S32 y, MASK mask )
-{
- if(!mIsSelected)
- {
- getRoot()->setSelection(this, false);
- }
- make_ui_sound("UISndClick");
- return true;
-}
-
-bool LLFolderViewItem::handleMouseDown( S32 x, S32 y, MASK mask )
-{
- if (LLView::childrenHandleMouseDown(x, y, mask))
- {
- return true;
- }
-
- // No handler needed for focus lost since this class has no
- // state that depends on it.
- gFocusMgr.setMouseCapture( this );
-
- if (!mIsSelected)
- {
- if(mask & MASK_CONTROL)
- {
- getRoot()->changeSelection(this, !mIsSelected);
- }
- else if (mask & MASK_SHIFT)
- {
- getParentFolder()->extendSelectionTo(this);
- }
- else
- {
- getRoot()->setSelection(this, false);
- }
- make_ui_sound("UISndClick");
- }
- else
- {
- // If selected, we reserve the decision of deselecting/reselecting to the mouse up moment.
- // This is necessary so we maintain selection consistent when starting a drag.
- mSelectPending = true;
- }
-
- mDragStartX = x;
- mDragStartY = y;
- return true;
-}
-
-bool LLFolderViewItem::handleHover( S32 x, S32 y, MASK mask )
-{
- mIsMouseOverTitle = (y > (getRect().getHeight() - mItemHeight));
-
- if( hasMouseCapture() && isMovable() )
- {
- LLFolderView* root = getRoot();
-
- if( (x - mDragStartX) * (x - mDragStartX) + (y - mDragStartY) * (y - mDragStartY) > DRAG_N_DROP_DISTANCE_THRESHOLD * DRAG_N_DROP_DISTANCE_THRESHOLD
- && root->getAllowDrag()
- && root->getCurSelectedItem()
- && root->startDrag())
- {
- // RN: when starting drag and drop, clear out last auto-open
- root->autoOpenTest(NULL);
- root->setShowSelectionContext(true);
-
- // Release keyboard focus, so that if stuff is dropped into the
- // world, pressing the delete key won't blow away the inventory
- // item.
- gFocusMgr.setKeyboardFocus(NULL);
-
- getWindow()->setCursor(UI_CURSOR_ARROW);
- }
- else if (x != mDragStartX || y != mDragStartY)
- {
- getWindow()->setCursor(UI_CURSOR_NOLOCKED);
- }
-
- root->clearHoveredItem();
- return true;
- }
- else
- {
- LLFolderView* pRoot = getRoot();
- pRoot->setHoveredItem(this);
- pRoot->setShowSelectionContext(false);
- getWindow()->setCursor(UI_CURSOR_ARROW);
- // let parent handle this then...
- return false;
- }
-}
-
-
-bool LLFolderViewItem::handleDoubleClick( S32 x, S32 y, MASK mask )
-{
- openItem();
- return true;
-}
-
-bool LLFolderViewItem::handleMouseUp( S32 x, S32 y, MASK mask )
-{
- if (LLView::childrenHandleMouseUp(x, y, mask))
- {
- return true;
- }
-
- // if mouse hasn't moved since mouse down...
- if ( pointInView(x, y) && mSelectPending )
- {
- //...then select
- if(mask & MASK_CONTROL)
- {
- getRoot()->changeSelection(this, !mIsSelected);
- }
- else if (mask & MASK_SHIFT)
- {
- getParentFolder()->extendSelectionTo(this);
- }
- else
- {
- getRoot()->setSelection(this, false);
- }
- }
-
- mSelectPending = false;
-
- if( hasMouseCapture() )
- {
- if (getRoot())
- {
- getRoot()->setShowSelectionContext(false);
- }
- gFocusMgr.setMouseCapture( NULL );
- }
- return true;
-}
-
-void LLFolderViewItem::onMouseLeave(S32 x, S32 y, MASK mask)
-{
- mIsMouseOverTitle = false;
-
- // NOTE: LLViewerWindow::updateUI() calls "enter" before "leave"; if the mouse moved to another item, we can't just outright clear it
- LLFolderView* pRoot = getRoot();
- if (this == pRoot->getHoveredItem())
- {
- pRoot->clearHoveredItem();
- }
-}
-
-bool LLFolderViewItem::handleDragAndDrop(S32 x, S32 y, MASK mask, bool drop,
- EDragAndDropType cargo_type,
- void* cargo_data,
- EAcceptance* accept,
- std::string& tooltip_msg)
-{
- bool handled = false;
- bool accepted = getViewModelItem()->dragOrDrop(mask,drop,cargo_type,cargo_data, tooltip_msg);
- handled = accepted;
- if (accepted)
- {
- mDragAndDropTarget = true;
- *accept = ACCEPT_YES_MULTI;
- }
- else
- {
- *accept = ACCEPT_NO;
- }
- if(mParentFolder && !handled)
- {
- // store this item to get it in LLFolderBridge::dragItemIntoFolder on drop event.
- mRoot->setDraggingOverItem(this);
- handled = mParentFolder->handleDragAndDropFromChild(mask,drop,cargo_type,cargo_data,accept,tooltip_msg);
- mRoot->setDraggingOverItem(NULL);
- }
- if (handled)
- {
- LL_DEBUGS("UserInput") << "dragAndDrop handled by LLFolderViewItem" << LL_ENDL;
- }
-
- return handled;
-}
-
-void LLFolderViewItem::drawOpenFolderArrow(const Params& default_params, const LLUIColor& fg_color)
-{
- //--------------------------------------------------------------------------------//
- // Draw open folder arrow
- //
- const S32 TOP_PAD = default_params.item_top_pad;
-
- if (hasVisibleChildren() || !isFolderComplete())
- {
- LLUIImage* arrow_image = default_params.folder_arrow_image;
- gl_draw_scaled_rotated_image(
- mIndentation, getRect().getHeight() - mArrowSize - mTextPad - TOP_PAD,
- mArrowSize, mArrowSize, mControlLabelRotation, arrow_image->getImage(), fg_color);
- }
-}
-
-/*virtual*/ bool LLFolderViewItem::isHighlightAllowed()
-{
- return mIsSelected;
-}
-
-/*virtual*/ bool LLFolderViewItem::isHighlightActive()
-{
- return mIsCurSelection;
-}
-
-/*virtual*/ bool LLFolderViewItem::isFadeItem()
-{
- LLClipboard& clipboard = LLClipboard::instance();
- if (mCutGeneration != clipboard.getGeneration())
- {
- mCutGeneration = clipboard.getGeneration();
- mIsItemCut = clipboard.isCutMode()
- && ((getParentFolder() && getParentFolder()->isFadeItem())
- || getViewModelItem()->isCutToClipboard());
- }
- return mIsItemCut;
-}
-
-void LLFolderViewItem::drawHighlight(const bool showContent, const bool hasKeyboardFocus, const LLUIColor &selectColor, const LLUIColor &flashColor,
- const LLUIColor &focusOutlineColor, const LLUIColor &mouseOverColor)
-{
- const S32 focus_top = getRect().getHeight();
- const S32 focus_bottom = getRect().getHeight() - mItemHeight;
- const bool folder_open = (getRect().getHeight() > mItemHeight + 4);
- const S32 FOCUS_LEFT = 1;
-
- // Determine which background color to use for highlighting
- LLUIColor bgColor = (isFlashing() ? flashColor : selectColor);
-
- //--------------------------------------------------------------------------------//
- // Draw highlight for selected items
- // Note: Always render "current" item or flashing item, only render other selected
- // items if mShowSingleSelection is false.
- //
- if (isHighlightAllowed())
-
- {
- gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-
- // Highlight for selected but not current items
- if (!isHighlightActive() && !isFlashing())
- {
- LLColor4 bg_color = bgColor;
- // do time-based fade of extra objects
- F32 fade_time = (getRoot() ? getRoot()->getSelectionFadeElapsedTime() : 0.0f);
- if (getRoot() && getRoot()->getShowSingleSelection())
- {
- // fading out
- bg_color.mV[VALPHA] = clamp_rescale(fade_time, 0.f, 0.4f, bg_color.mV[VALPHA], 0.f);
- }
- else
- {
- // fading in
- bg_color.mV[VALPHA] = clamp_rescale(fade_time, 0.f, 0.4f, 0.f, bg_color.mV[VALPHA]);
- }
- gl_rect_2d(FOCUS_LEFT,
- focus_top,
- getRect().getWidth() - 2,
- focus_bottom,
- bg_color, hasKeyboardFocus);
- }
-
- // Highlight for currently selected or flashing item
- if (isHighlightActive())
- {
- // Background
- gl_rect_2d(FOCUS_LEFT,
- focus_top,
- getRect().getWidth() - 2,
- focus_bottom,
- bgColor, hasKeyboardFocus);
- // Outline
- gl_rect_2d(FOCUS_LEFT,
- focus_top,
- getRect().getWidth() - 2,
- focus_bottom,
- focusOutlineColor, false);
- }
-
- if (folder_open)
- {
- gl_rect_2d(FOCUS_LEFT,
- focus_bottom + 1, // overlap with bottom edge of above rect
- getRect().getWidth() - 2,
- 0,
- focusOutlineColor, false);
- if (showContent && !isFlashing())
- {
- gl_rect_2d(FOCUS_LEFT,
- focus_bottom + 1,
- getRect().getWidth() - 2,
- 0,
- bgColor, true);
- }
- }
- }
- else if (mIsMouseOverTitle)
- {
- gl_rect_2d(FOCUS_LEFT,
- focus_top,
- getRect().getWidth() - 2,
- focus_bottom,
- mouseOverColor, false);
- }
-
- //--------------------------------------------------------------------------------//
- // Draw DragNDrop highlight
- //
- if (mDragAndDropTarget)
- {
- gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
- gl_rect_2d(FOCUS_LEFT,
- focus_top,
- getRect().getWidth() - 2,
- focus_bottom,
- bgColor, false);
- if (folder_open)
- {
- gl_rect_2d(FOCUS_LEFT,
- focus_bottom + 1, // overlap with bottom edge of above rect
- getRect().getWidth() - 2,
- 0,
- bgColor, false);
- }
- mDragAndDropTarget = false;
- }
-}
-
-void LLFolderViewItem::drawLabel(const LLFontGL * font, const F32 x, const F32 y, const LLColor4& color, F32 &right_x)
-{
- //--------------------------------------------------------------------------------//
- // Draw the actual label text
- //
- font->renderUTF8(mLabel, 0, x, y, color,
- LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW,
- S32_MAX, getRect().getWidth() - (S32) x - mLabelPaddingRight, &right_x, /*use_ellipses*/true);
-}
-
-void LLFolderViewItem::draw()
-{
- const bool show_context = (getRoot() ? getRoot()->getShowSelectionContext() : false);
- const bool filled = show_context || (getRoot() ? getRoot()->getParentPanel()->hasFocus() : false); // If we have keyboard focus, draw selection filled
-
- const Params& default_params = LLUICtrlFactory::getDefaultParams<LLFolderViewItem>();
- const S32 TOP_PAD = default_params.item_top_pad;
-
- const LLFontGL* font = getLabelFontForStyle(mLabelStyle);
-
- getViewModelItem()->update();
-
- if(!mSingleFolderMode)
- {
- drawOpenFolderArrow(default_params, sFgColor);
- }
-
- drawHighlight(show_context, filled, sHighlightBgColor, sFlashBgColor, sFocusOutlineColor, sMouseOverColor);
-
- //--------------------------------------------------------------------------------//
- // Draw open icon
- //
- const S32 icon_x = mIndentation + mArrowSize + mTextPad;
- if (!mIconOpen.isNull() && (llabs(mControlLabelRotation) > 80)) // For open folders
- {
- mIconOpen->draw(icon_x, getRect().getHeight() - mIconOpen->getHeight() - TOP_PAD + 1);
- }
- else if (mIcon)
- {
- mIcon->draw(icon_x, getRect().getHeight() - mIcon->getHeight() - TOP_PAD + 1);
- }
-
- if (mIconOverlay && getRoot()->showItemLinkOverlays())
- {
- mIconOverlay->draw(icon_x, getRect().getHeight() - mIcon->getHeight() - TOP_PAD + 1);
- }
-
- //--------------------------------------------------------------------------------//
- // Exit if no label to draw
- //
- if (mLabel.empty())
- {
- return;
- }
-
- std::string::size_type filter_string_length = mViewModelItem->hasFilterStringMatch() ? mViewModelItem->getFilterStringSize() : 0;
- F32 right_x = 0;
- F32 y = (F32)getRect().getHeight() - font->getLineHeight() - (F32)mTextPad - (F32)TOP_PAD;
- F32 text_left = (F32)getLabelXPos();
- std::string combined_string = mLabel + mLabelSuffix;
-
- const LLFontGL* suffix_font = getLabelFontForStyle(LLFontGL::NORMAL);
- S32 filter_offset = mViewModelItem->getFilterStringOffset();
- if (filter_string_length > 0)
- {
- S32 bottom = llfloor(getRect().getHeight() - font->getLineHeight() - 3 - TOP_PAD);
- S32 top = getRect().getHeight() - TOP_PAD;
- if(mLabelSuffix.empty() || (font == suffix_font))
- {
- S32 left = ll_round(text_left) + font->getWidth(combined_string, 0, mViewModelItem->getFilterStringOffset()) - 2;
- S32 right = left + font->getWidth(combined_string, mViewModelItem->getFilterStringOffset(), filter_string_length) + 2;
-
- LLUIImage* box_image = default_params.selection_image;
- LLRect box_rect(left, top, right, bottom);
- box_image->draw(box_rect, sFilterBGColor);
- }
- else
- {
- S32 label_filter_length = llmin((S32)mLabel.size() - filter_offset, (S32)filter_string_length);
- if(label_filter_length > 0)
- {
- S32 left = ll_round(text_left) + font->getWidthF32(mLabel, 0, llmin(filter_offset, (S32)mLabel.size())) - 2;
- S32 right = left + font->getWidthF32(mLabel, filter_offset, label_filter_length) + 2;
- LLUIImage* box_image = default_params.selection_image;
- LLRect box_rect(left, top, right, bottom);
- box_image->draw(box_rect, sFilterBGColor);
- }
- S32 suffix_filter_length = label_filter_length > 0 ? filter_string_length - label_filter_length : filter_string_length;
- if(suffix_filter_length > 0)
- {
- S32 suffix_offset = llmax(0, filter_offset - (S32)mLabel.size());
- S32 left = ll_round(text_left) + font->getWidthF32(mLabel, 0, mLabel.size()) + suffix_font->getWidthF32(mLabelSuffix, 0, suffix_offset) - 2;
- S32 right = left + suffix_font->getWidthF32(mLabelSuffix, suffix_offset, suffix_filter_length) + 2;
- LLUIImage* box_image = default_params.selection_image;
- LLRect box_rect(left, top, right, bottom);
- box_image->draw(box_rect, sFilterBGColor);
- }
- }
- }
-
- LLColor4 color = (mIsSelected && filled) ? mFontHighlightColor : mFontColor;
-
- if (isFadeItem())
- {
- // Fade out item color to indicate it's being cut
- color.mV[VALPHA] *= 0.5f;
- }
- drawLabel(font, text_left, y, color, right_x);
-
- //--------------------------------------------------------------------------------//
- // Draw label suffix
- //
- if (!mLabelSuffix.empty())
- {
- suffix_font->renderUTF8( mLabelSuffix, 0, right_x, y, isFadeItem() ? color : (LLColor4)sSuffixColor,
- LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW,
- S32_MAX, S32_MAX, &right_x);
- }
-
- //--------------------------------------------------------------------------------//
- // Highlight string match
- //
- if (filter_string_length > 0)
- {
- if(mLabelSuffix.empty() || (font == suffix_font))
- {
- F32 match_string_left = text_left + font->getWidthF32(combined_string, 0, filter_offset + filter_string_length) - font->getWidthF32(combined_string, filter_offset, filter_string_length);
- F32 yy = (F32)getRect().getHeight() - font->getLineHeight() - (F32)mTextPad - (F32)TOP_PAD;
- font->renderUTF8(combined_string, filter_offset, match_string_left, yy,
- sFilterTextColor, LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW,
- filter_string_length, S32_MAX, &right_x);
- }
- else
- {
- S32 label_filter_length = llmin((S32)mLabel.size() - filter_offset, (S32)filter_string_length);
- if(label_filter_length > 0)
- {
- F32 match_string_left = text_left + font->getWidthF32(mLabel, 0, filter_offset + label_filter_length) - font->getWidthF32(mLabel, filter_offset, label_filter_length);
- F32 yy = (F32)getRect().getHeight() - font->getLineHeight() - (F32)mTextPad - (F32)TOP_PAD;
- font->renderUTF8(mLabel, filter_offset, match_string_left, yy,
- sFilterTextColor, LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW,
- label_filter_length, S32_MAX, &right_x);
- }
-
- S32 suffix_filter_length = label_filter_length > 0 ? filter_string_length - label_filter_length : filter_string_length;
- if(suffix_filter_length > 0)
- {
- S32 suffix_offset = llmax(0, filter_offset - (S32)mLabel.size());
- F32 match_string_left = text_left + font->getWidthF32(mLabel, 0, mLabel.size()) + suffix_font->getWidthF32(mLabelSuffix, 0, suffix_offset + suffix_filter_length) - suffix_font->getWidthF32(mLabelSuffix, suffix_offset, suffix_filter_length);
- F32 yy = (F32)getRect().getHeight() - suffix_font->getLineHeight() - (F32)mTextPad - (F32)TOP_PAD;
- suffix_font->renderUTF8(mLabelSuffix, suffix_offset, match_string_left, yy, sFilterTextColor,
- LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW,
- suffix_filter_length, S32_MAX, &right_x);
- }
- }
-
- }
-
- //Gilbert Linden 9-20-2012: Although this should be legal, removing it because it causes the mLabelSuffix rendering to
- //be distorted...oddly. I initially added this in but didn't need it after all. So removing to prevent unnecessary bug.
- //LLView::draw();
-}
-
-const LLFolderViewModelInterface* LLFolderViewItem::getFolderViewModel( void ) const
-{
- return getRoot()->getFolderViewModel();
-}
-
-LLFolderViewModelInterface* LLFolderViewItem::getFolderViewModel( void )
-{
- return getRoot()->getFolderViewModel();
-}
-
-bool LLFolderViewItem::isInSelection() const
-{
- return mIsSelected || (mParentFolder && mParentFolder->isInSelection());
-}
-
-
-
-///----------------------------------------------------------------------------
-/// Class LLFolderViewFolder
-///----------------------------------------------------------------------------
-
-LLFolderViewFolder::LLFolderViewFolder( const LLFolderViewItem::Params& p ):
- LLFolderViewItem( p ),
- mIsOpen(false),
- mExpanderHighlighted(false),
- mCurHeight(0.f),
- mTargetHeight(0.f),
- mAutoOpenCountdown(0.f),
- mIsFolderComplete(false), // folder might have children that are not loaded yet.
- mAreChildrenInited(false), // folder might have children that are not built yet.
- mLastArrangeGeneration( -1 ),
- mLastCalculatedWidth(0)
-{
-}
-
-void LLFolderViewFolder::updateLabelRotation()
-{
- if (mAutoOpenCountdown != 0.f)
- {
- mControlLabelRotation = mAutoOpenCountdown * -90.f;
- }
- else if (isOpen())
- {
- mControlLabelRotation = lerp(mControlLabelRotation, -90.f, LLSmoothInterpolation::getInterpolant(0.04f));
- }
- else
- {
- mControlLabelRotation = lerp(mControlLabelRotation, 0.f, LLSmoothInterpolation::getInterpolant(0.025f));
- }
-}
-
-// Destroys the object
-LLFolderViewFolder::~LLFolderViewFolder( void )
-{
- // The LLView base class takes care of object destruction. make sure that we
- // don't have mouse or keyboard focus
- gFocusMgr.releaseFocusIfNeeded( this ); // calls onCommit()
-}
-
-// addToFolder() returns true if it succeeds. false otherwise
-void LLFolderViewFolder::addToFolder(LLFolderViewFolder* folder)
-{
- folder->addFolder(this);
-
- // Compute indentation since parent folder changed
- mIndentation = (getParentFolder())
- ? getParentFolder()->getIndentation() + mLocalIndentation
- : 0;
-
- if(isOpen() && folder->isOpen())
- {
- requestArrange();
- }
-}
-
-static LLTrace::BlockTimerStatHandle FTM_ARRANGE("Arrange");
-
-// Make everything right and in the right place ready for drawing (CHUI-849)
-// * Sort everything correctly if necessary
-// * Turn widgets visible/invisible according to their model filtering state
-// * Takes animation state into account for opening/closing of folders (this makes widgets visible/invisible)
-// * Reposition visible widgets so that they line up correctly with no gap
-// * Compute the width and height of the current folder and its children
-// * Makes sure that this view and its children are the right size
-S32 LLFolderViewFolder::arrange( S32* width, S32* height )
-{
- // Sort before laying out contents
- // Note that we sort from the root (CHUI-849)
- if (mAreChildrenInited)
- {
- getRoot()->getFolderViewModel()->sort(this);
- }
-
- LL_RECORD_BLOCK_TIME(FTM_ARRANGE);
-
- // evaluate mHasVisibleChildren
- mHasVisibleChildren = false;
- if (mAreChildrenInited && getViewModelItem()->descendantsPassedFilter())
- {
- // We have to verify that there's at least one child that's not filtered out
- bool found = false;
- // Try the items first
- for (items_t::iterator iit = mItems.begin(); iit != mItems.end(); ++iit)
- {
- LLFolderViewItem* itemp = (*iit);
- found = itemp->isPotentiallyVisible();
- if (found)
- break;
- }
- if (!found)
- {
- // If no item found, try the folders
- for (folders_t::iterator fit = mFolders.begin(); fit != mFolders.end(); ++fit)
- {
- LLFolderViewFolder* folderp = (*fit);
- found = folderp->isPotentiallyVisible();
- if (found)
- break;
- }
- }
-
- mHasVisibleChildren = found;
- }
- if (!mIsFolderComplete && mAreChildrenInited)
- {
- mIsFolderComplete = getFolderViewModel()->isFolderComplete(this);
- }
-
-
-
- // calculate height as a single item (without any children), and reshapes rectangle to match
- LLFolderViewItem::arrange( width, height );
-
- // clamp existing animated height so as to never get smaller than a single item
- mCurHeight = llmax((F32)*height, mCurHeight);
-
- // initialize running height value as height of single item in case we have no children
- F32 running_height = (F32)*height;
- F32 target_height = (F32)*height;
-
- // are my children visible?
- if (needsArrange())
- {
- // set last arrange generation first, in case children are animating
- // and need to be arranged again
- mLastArrangeGeneration = getRoot()->getArrangeGeneration();
- if (isOpen())
- {
- // Add sizes of children
- S32 parent_item_height = getRect().getHeight();
-
- for(folders_t::iterator fit = mFolders.begin(); fit != mFolders.end(); ++fit)
- {
- LLFolderViewFolder* folderp = (*fit);
- folderp->setVisible(folderp->isPotentiallyVisible());
-
- if (folderp->getVisible())
- {
- S32 child_width = *width;
- S32 child_height = 0;
- S32 child_top = parent_item_height - ll_round(running_height);
-
- target_height += folderp->arrange( &child_width, &child_height );
-
- running_height += (F32)child_height;
- *width = llmax(*width, child_width);
- folderp->setOrigin( 0, child_top - folderp->getRect().getHeight() );
- }
- }
- for(items_t::iterator iit = mItems.begin();
- iit != mItems.end(); ++iit)
- {
- LLFolderViewItem* itemp = (*iit);
- itemp->setVisible(itemp->isPotentiallyVisible());
-
- if (itemp->getVisible())
- {
- S32 child_width = *width;
- S32 child_height = 0;
- S32 child_top = parent_item_height - ll_round(running_height);
-
- target_height += itemp->arrange( &child_width, &child_height );
- // don't change width, as this item is as wide as its parent folder by construction
- itemp->reshape( itemp->getRect().getWidth(), child_height);
-
- running_height += (F32)child_height;
- *width = llmax(*width, child_width);
- itemp->setOrigin( 0, child_top - itemp->getRect().getHeight() );
- }
- }
- }
-
- mTargetHeight = target_height;
- // cache this width so next time we can just return it
- mLastCalculatedWidth = *width;
- }
- else
- {
- // just use existing width
- *width = mLastCalculatedWidth;
- }
-
- // animate current height towards target height
- if (llabs(mCurHeight - mTargetHeight) > 1.f)
- {
- mCurHeight = lerp(mCurHeight, mTargetHeight, LLSmoothInterpolation::getInterpolant(isOpen() ? FOLDER_OPEN_TIME_CONSTANT : FOLDER_CLOSE_TIME_CONSTANT));
-
- requestArrange();
-
- // hide child elements that fall out of current animated height
- for (folders_t::iterator iter = mFolders.begin();
- iter != mFolders.end();)
- {
- folders_t::iterator fit = iter++;
- // number of pixels that bottom of folder label is from top of parent folder
- if (getRect().getHeight() - (*fit)->getRect().mTop + (*fit)->getItemHeight()
- > ll_round(mCurHeight) + mMaxFolderItemOverlap)
- {
- // hide if beyond current folder height
- (*fit)->setVisible(false);
- }
- }
-
- for (items_t::iterator iter = mItems.begin();
- iter != mItems.end();)
- {
- items_t::iterator iit = iter++;
- // number of pixels that bottom of item label is from top of parent folder
- if (getRect().getHeight() - (*iit)->getRect().mBottom
- > ll_round(mCurHeight) + mMaxFolderItemOverlap)
- {
- (*iit)->setVisible(false);
- }
- }
- }
- else
- {
- mCurHeight = mTargetHeight;
- }
-
- // don't change width as this item is already as wide as its parent folder
- reshape(getRect().getWidth(),ll_round(mCurHeight));
-
- // pass current height value back to parent
- *height = ll_round(mCurHeight);
-
- return ll_round(mTargetHeight);
-}
-
-bool LLFolderViewFolder::needsArrange()
-{
- return mLastArrangeGeneration < getRoot()->getArrangeGeneration();
-}
-
-bool LLFolderViewFolder::descendantsPassedFilter(S32 filter_generation)
-{
- return getViewModelItem()->descendantsPassedFilter(filter_generation);
-}
-
-// Passes selection information on to children and record selection
-// information if necessary.
-bool LLFolderViewFolder::setSelection(LLFolderViewItem* selection, bool openitem,
- bool take_keyboard_focus)
-{
- bool rv = false;
- if (selection == this)
- {
- if (!isSelected())
- {
- selectItem();
- }
- rv = true;
- }
- else
- {
- if (isSelected())
- {
- deselectItem();
- }
- rv = false;
- }
- bool child_selected = false;
-
- for (folders_t::iterator iter = mFolders.begin();
- iter != mFolders.end();)
- {
- folders_t::iterator fit = iter++;
- if((*fit)->setSelection(selection, openitem, take_keyboard_focus))
- {
- rv = true;
- child_selected = true;
- }
- }
- for (items_t::iterator iter = mItems.begin();
- iter != mItems.end();)
- {
- items_t::iterator iit = iter++;
- if((*iit)->setSelection(selection, openitem, take_keyboard_focus))
- {
- rv = true;
- child_selected = true;
- }
- }
- if(openitem && child_selected && !mSingleFolderMode)
- {
- setOpenArrangeRecursively(true);
- }
- return rv;
-}
-
-// This method is used to change the selection of an item.
-// Recursively traverse all children; if 'selection' is 'this' then change
-// the select status if necessary.
-// Returns true if the selection state of this folder, or of a child, was changed.
-bool LLFolderViewFolder::changeSelection(LLFolderViewItem* selection, bool selected)
-{
- bool rv = false;
- if(selection == this)
- {
- if (isSelected() != selected)
- {
- rv = true;
- if (selected)
- {
- selectItem();
- }
- else
- {
- deselectItem();
- }
- }
- }
-
- for (folders_t::iterator iter = mFolders.begin();
- iter != mFolders.end();)
- {
- folders_t::iterator fit = iter++;
- if((*fit)->changeSelection(selection, selected))
- {
- rv = true;
- }
- }
- for (items_t::iterator iter = mItems.begin();
- iter != mItems.end();)
- {
- items_t::iterator iit = iter++;
- if((*iit)->changeSelection(selection, selected))
- {
- rv = true;
- }
- }
- return rv;
-}
-
-LLFolderViewFolder* LLFolderViewFolder::getCommonAncestor(LLFolderViewItem* item_a, LLFolderViewItem* item_b, bool& reverse)
-{
- if (!item_a->getParentFolder() || !item_b->getParentFolder()) return NULL;
-
- std::deque<LLFolderViewFolder*> item_a_ancestors;
-
- LLFolderViewFolder* parent = item_a->getParentFolder();
- while(parent)
- {
- item_a_ancestors.push_back(parent);
- parent = parent->getParentFolder();
- }
-
- std::deque<LLFolderViewFolder*> item_b_ancestors;
-
- parent = item_b->getParentFolder();
- while(parent)
- {
- item_b_ancestors.push_back(parent);
- parent = parent->getParentFolder();
- }
-
- LLFolderViewFolder* common_ancestor = item_a->getRoot();
-
- while(item_a_ancestors.size() > item_b_ancestors.size())
- {
- item_a = item_a_ancestors.front();
- item_a_ancestors.pop_front();
- }
-
- while(item_b_ancestors.size() > item_a_ancestors.size())
- {
- item_b = item_b_ancestors.front();
- item_b_ancestors.pop_front();
- }
-
- while(item_a_ancestors.size())
- {
- common_ancestor = item_a_ancestors.front();
-
- if (item_a_ancestors.front() == item_b_ancestors.front())
- {
- // which came first, sibling a or sibling b?
- for (folders_t::iterator it = common_ancestor->mFolders.begin(), end_it = common_ancestor->mFolders.end();
- it != end_it;
- ++it)
- {
- LLFolderViewItem* item = *it;
-
- if (item == item_a)
- {
- reverse = false;
- return common_ancestor;
- }
- if (item == item_b)
- {
- reverse = true;
- return common_ancestor;
- }
- }
-
- for (items_t::iterator it = common_ancestor->mItems.begin(), end_it = common_ancestor->mItems.end();
- it != end_it;
- ++it)
- {
- LLFolderViewItem* item = *it;
-
- if (item == item_a)
- {
- reverse = false;
- return common_ancestor;
- }
- if (item == item_b)
- {
- reverse = true;
- return common_ancestor;
- }
- }
- break;
- }
-
- item_a = item_a_ancestors.front();
- item_a_ancestors.pop_front();
- item_b = item_b_ancestors.front();
- item_b_ancestors.pop_front();
- }
-
- return NULL;
-}
-
-void LLFolderViewFolder::gatherChildRangeExclusive(LLFolderViewItem* start, LLFolderViewItem* end, bool reverse, std::vector<LLFolderViewItem*>& items)
-{
- bool selecting = start == NULL;
- if (reverse)
- {
- for (items_t::reverse_iterator it = mItems.rbegin(), end_it = mItems.rend();
- it != end_it;
- ++it)
- {
- if (*it == end)
- {
- return;
- }
- if (selecting && (*it)->getVisible())
- {
- items.push_back(*it);
- }
-
- if (*it == start)
- {
- selecting = true;
- }
- }
- for (folders_t::reverse_iterator it = mFolders.rbegin(), end_it = mFolders.rend();
- it != end_it;
- ++it)
- {
- if (*it == end)
- {
- return;
- }
-
- if (selecting && (*it)->getVisible())
- {
- items.push_back(*it);
- }
-
- if (*it == start)
- {
- selecting = true;
- }
- }
- }
- else
- {
- for (folders_t::iterator it = mFolders.begin(), end_it = mFolders.end();
- it != end_it;
- ++it)
- {
- if (*it == end)
- {
- return;
- }
-
- if (selecting && (*it)->getVisible())
- {
- items.push_back(*it);
- }
-
- if (*it == start)
- {
- selecting = true;
- }
- }
- for (items_t::iterator it = mItems.begin(), end_it = mItems.end();
- it != end_it;
- ++it)
- {
- if (*it == end)
- {
- return;
- }
-
- if (selecting && (*it)->getVisible())
- {
- items.push_back(*it);
- }
-
- if (*it == start)
- {
- selecting = true;
- }
- }
- }
-}
-
-void LLFolderViewFolder::extendSelectionTo(LLFolderViewItem* new_selection)
-{
- if (!getRoot()->getAllowMultiSelect())
- return;
-
- LLFolderViewItem* cur_selected_item = getRoot()->getCurSelectedItem();
- if (cur_selected_item == NULL)
- {
- cur_selected_item = new_selection;
- }
-
-
- bool reverse = false;
- LLFolderViewFolder* common_ancestor = getCommonAncestor(cur_selected_item, new_selection, reverse);
- if (!common_ancestor)
- return;
-
- LLFolderViewItem* last_selected_item_from_cur = cur_selected_item;
- LLFolderViewFolder* cur_folder = cur_selected_item->getParentFolder();
-
- std::vector<LLFolderViewItem*> items_to_select_forward;
-
- while (cur_folder != common_ancestor)
- {
- cur_folder->gatherChildRangeExclusive(last_selected_item_from_cur, NULL, reverse, items_to_select_forward);
-
- last_selected_item_from_cur = cur_folder;
- cur_folder = cur_folder->getParentFolder();
- }
-
- std::vector<LLFolderViewItem*> items_to_select_reverse;
-
- LLFolderViewItem* last_selected_item_from_new = new_selection;
- cur_folder = new_selection->getParentFolder();
- while (cur_folder != common_ancestor)
- {
- cur_folder->gatherChildRangeExclusive(last_selected_item_from_new, NULL, !reverse, items_to_select_reverse);
-
- last_selected_item_from_new = cur_folder;
- cur_folder = cur_folder->getParentFolder();
- }
-
- common_ancestor->gatherChildRangeExclusive(last_selected_item_from_cur, last_selected_item_from_new, reverse, items_to_select_forward);
-
- for (std::vector<LLFolderViewItem*>::reverse_iterator it = items_to_select_reverse.rbegin(), end_it = items_to_select_reverse.rend();
- it != end_it;
- ++it)
- {
- items_to_select_forward.push_back(*it);
- }
-
- LLFolderView* root = getRoot();
-
- bool selection_reverse = new_selection->isSelected(); //indication that some elements are being deselected
-
- // array always go from 'will be selected' to ' will be unselected', iterate
- // in opposite direction to simplify identification of 'point of origin' in
- // case it is in the list we are working with
- for (std::vector<LLFolderViewItem*>::reverse_iterator it = items_to_select_forward.rbegin(), end_it = items_to_select_forward.rend();
- it != end_it;
- ++it)
- {
- LLFolderViewItem* item = *it;
- bool selected = item->isSelected();
- if (!selection_reverse && selected)
- {
- // it is our 'point of origin' where we shift/expand from
- // don't deselect it
- selection_reverse = true;
- }
- else
- {
- root->changeSelection(item, !selected);
- }
- }
-
- if (selection_reverse)
- {
- // at some point we reversed selection, first element should be deselected
- root->changeSelection(last_selected_item_from_cur, false);
- }
-
- // element we expand to should always be selected
- root->changeSelection(new_selection, true);
-}
-
-
-void LLFolderViewFolder::destroyView()
-{
- while (!mItems.empty())
- {
- LLFolderViewItem *itemp = mItems.back();
- mItems.pop_back();
- itemp->destroyView(); // LLFolderViewItem::destroyView() removes entry from mItems
- }
-
- while (!mFolders.empty())
- {
- LLFolderViewFolder *folderp = mFolders.back();
- mFolders.pop_back();
- folderp->destroyView(); // LLFolderVievFolder::destroyView() removes entry from mFolders
- }
-
- LLFolderViewItem::destroyView();
-}
-
-// extractItem() removes the specified item from the folder, but
-// doesn't delete it.
-void LLFolderViewFolder::extractItem( LLFolderViewItem* item, bool deparent_model )
-{
- if (item->isSelected())
- getRoot()->clearSelection();
- items_t::iterator it = std::find(mItems.begin(), mItems.end(), item);
- if(it == mItems.end())
- {
- // This is an evil downcast. However, it's only doing
- // pointer comparison to find if (which it should be ) the
- // item is in the container, so it's pretty safe.
- LLFolderViewFolder* f = static_cast<LLFolderViewFolder*>(item);
- folders_t::iterator ft;
- ft = std::find(mFolders.begin(), mFolders.end(), f);
- if (ft != mFolders.end())
- {
- mFolders.erase(ft);
- }
- }
- else
- {
- mItems.erase(it);
- }
- //item has been removed, need to update filter
- if (deparent_model)
- {
- // in some cases model does not belong to parent view, is shared between views
- getViewModelItem()->removeChild(item->getViewModelItem());
- }
- //because an item is going away regardless of filter status, force rearrange
- requestArrange();
- removeChild(item);
-}
-
-bool LLFolderViewFolder::isMovable()
-{
- if( !(getViewModelItem()->isItemMovable()) )
- {
- return false;
- }
-
- for (items_t::iterator iter = mItems.begin();
- iter != mItems.end();)
- {
- items_t::iterator iit = iter++;
- if(!(*iit)->isMovable())
- {
- return false;
- }
- }
-
- for (folders_t::iterator iter = mFolders.begin();
- iter != mFolders.end();)
- {
- folders_t::iterator fit = iter++;
- if(!(*fit)->isMovable())
- {
- return false;
- }
- }
- return true;
-}
-
-
-bool LLFolderViewFolder::isRemovable()
-{
- if( !(getViewModelItem()->isItemRemovable()) )
- {
- return false;
- }
-
- for (items_t::iterator iter = mItems.begin();
- iter != mItems.end();)
- {
- items_t::iterator iit = iter++;
- if(!(*iit)->isRemovable())
- {
- return false;
- }
- }
-
- for (folders_t::iterator iter = mFolders.begin();
- iter != mFolders.end();)
- {
- folders_t::iterator fit = iter++;
- if(!(*fit)->isRemovable())
- {
- return false;
- }
- }
- return true;
-}
-
-void LLFolderViewFolder::destroyRoot()
-{
- delete this;
-}
-
-// this is an internal method used for adding items to folders.
-void LLFolderViewFolder::addItem(LLFolderViewItem* item)
-{
- if (item->getParentFolder())
- {
- item->getParentFolder()->extractItem(item);
- }
- item->setParentFolder(this);
-
- mItems.push_back(item);
-
- item->setRect(LLRect(0, 0, getRect().getWidth(), 0));
- item->setVisible(false);
-
- addChild(item);
-
- // When the model is already hooked into a hierarchy (i.e. has a parent), do not reparent it
- // Note: this happens when models are created before views or shared between views
- if (!item->getViewModelItem()->hasParent())
- {
- getViewModelItem()->addChild(item->getViewModelItem());
- }
-}
-
-// this is an internal method used for adding items to folders.
-void LLFolderViewFolder::addFolder(LLFolderViewFolder* folder)
-{
- if (folder->mParentFolder)
- {
- folder->mParentFolder->extractItem(folder);
- }
- folder->mParentFolder = this;
- mFolders.push_back(folder);
- folder->setOrigin(0, 0);
- folder->reshape(getRect().getWidth(), 0);
- folder->setVisible(false);
- // rearrange all descendants too, as our indentation level might have changed
- //folder->requestArrange();
- //requestSort();
-
- addChild(folder);
-
- // When the model is already hooked into a hierarchy (i.e. has a parent), do not reparent it
- // Note: this happens when models are created before views or shared between views
- if (!folder->getViewModelItem()->hasParent())
- {
- getViewModelItem()->addChild(folder->getViewModelItem());
- }
-}
-
-void LLFolderViewFolder::requestArrange()
-{
- mLastArrangeGeneration = -1;
- // flag all items up to root
- if (mParentFolder)
- {
- mParentFolder->requestArrange();
- }
-}
-
-void LLFolderViewFolder::toggleOpen()
-{
- setOpen(!isOpen());
-}
-
-// Force a folder open or closed
-void LLFolderViewFolder::setOpen(bool openitem)
-{
- if(mSingleFolderMode)
- {
- // navigateToFolder can destroy this view
- // delay it in case setOpen was called from click or key processing
- doOnIdleOneTime([this]()
- {
- getViewModelItem()->navigateToFolder();
- });
- }
- else
- {
- setOpenArrangeRecursively(openitem);
- }
-}
-
-void LLFolderViewFolder::setOpenArrangeRecursively(bool openitem, ERecurseType recurse)
-{
- bool was_open = isOpen();
- mIsOpen = openitem;
- if(!was_open && openitem)
- {
- getViewModelItem()->openItem();
- // openItem() will request content, it won't be incomplete
- mIsFolderComplete = true;
- }
- else if(was_open && !openitem)
- {
- getViewModelItem()->closeItem();
- }
-
- if (recurse == RECURSE_DOWN || recurse == RECURSE_UP_DOWN)
- {
- for (folders_t::iterator iter = mFolders.begin();
- iter != mFolders.end();)
- {
- folders_t::iterator fit = iter++;
- (*fit)->setOpenArrangeRecursively(openitem, RECURSE_DOWN); /* Flawfinder: ignore */
- }
- }
- if (mParentFolder
- && (recurse == RECURSE_UP
- || recurse == RECURSE_UP_DOWN))
- {
- mParentFolder->setOpenArrangeRecursively(openitem, RECURSE_UP);
- }
-
- if (was_open != isOpen())
- {
- requestArrange();
- }
-}
-
-bool LLFolderViewFolder::handleDragAndDropFromChild(MASK mask,
- bool drop,
- EDragAndDropType c_type,
- void* cargo_data,
- EAcceptance* accept,
- std::string& tooltip_msg)
-{
- bool accepted = mViewModelItem->dragOrDrop(mask,drop,c_type,cargo_data, tooltip_msg);
- if (accepted)
- {
- mDragAndDropTarget = true;
- *accept = ACCEPT_YES_MULTI;
- }
- else
- {
- *accept = ACCEPT_NO;
- }
-
- // drag and drop to child item, so clear pending auto-opens
- getRoot()->autoOpenTest(NULL);
-
- return true;
-}
-
-void LLFolderViewFolder::openItem( void )
-{
- toggleOpen();
-}
-
-void LLFolderViewFolder::applyFunctorToChildren(LLFolderViewFunctor& functor)
-{
- for (folders_t::iterator iter = mFolders.begin();
- iter != mFolders.end();)
- {
- folders_t::iterator fit = iter++;
- functor.doItem((*fit));
- }
- for (items_t::iterator iter = mItems.begin();
- iter != mItems.end();)
- {
- items_t::iterator iit = iter++;
- functor.doItem((*iit));
- }
-}
-
-void LLFolderViewFolder::applyFunctorRecursively(LLFolderViewFunctor& functor)
-{
- functor.doFolder(this);
-
- for (folders_t::iterator iter = mFolders.begin();
- iter != mFolders.end();)
- {
- folders_t::iterator fit = iter++;
- (*fit)->applyFunctorRecursively(functor);
- }
- for (items_t::iterator iter = mItems.begin();
- iter != mItems.end();)
- {
- items_t::iterator iit = iter++;
- functor.doItem((*iit));
- }
-}
-
-// LLView functionality
-bool LLFolderViewFolder::handleDragAndDrop(S32 x, S32 y, MASK mask,
- bool drop,
- EDragAndDropType cargo_type,
- void* cargo_data,
- EAcceptance* accept,
- std::string& tooltip_msg)
-{
- bool handled = false;
-
- if (isOpen())
- {
- handled = (childrenHandleDragAndDrop(x, y, mask, drop, cargo_type, cargo_data, accept, tooltip_msg) != NULL);
- }
-
- if (!handled)
- {
- handleDragAndDropToThisFolder(mask, drop, cargo_type, cargo_data, accept, tooltip_msg);
-
- LL_DEBUGS("UserInput") << "dragAndDrop handled by LLFolderViewFolder" << LL_ENDL;
- }
-
- return true;
-}
-
-bool LLFolderViewFolder::handleDragAndDropToThisFolder(MASK mask,
- bool drop,
- EDragAndDropType cargo_type,
- void* cargo_data,
- EAcceptance* accept,
- std::string& tooltip_msg)
-{
- if (!mAllowDrop)
- {
- *accept = ACCEPT_NO;
- tooltip_msg = LLTrans::getString("TooltipOutboxCannotDropOnRoot");
- return true;
- }
-
- bool accepted = getViewModelItem()->dragOrDrop(mask,drop,cargo_type,cargo_data, tooltip_msg);
-
- if (accepted)
- {
- mDragAndDropTarget = true;
- *accept = ACCEPT_YES_MULTI;
- }
- else
- {
- *accept = ACCEPT_NO;
- }
-
- if (!drop && accepted)
- {
- getRoot()->autoOpenTest(this);
- }
-
- return true;
-}
-
-
-bool LLFolderViewFolder::handleRightMouseDown( S32 x, S32 y, MASK mask )
-{
- bool handled = false;
-
- if( isOpen() )
- {
- handled = childrenHandleRightMouseDown( x, y, mask ) != NULL;
- }
- if (!handled)
- {
- handled = LLFolderViewItem::handleRightMouseDown( x, y, mask );
- }
- return handled;
-}
-
-
-bool LLFolderViewFolder::handleHover(S32 x, S32 y, MASK mask)
-{
- mIsMouseOverTitle = (y > (getRect().getHeight() - mItemHeight));
-
- bool handled = LLView::handleHover(x, y, mask);
-
- if (!handled)
- {
- // this doesn't do child processing
- handled = LLFolderViewItem::handleHover(x, y, mask);
- }
-
- return handled;
-}
-
-bool LLFolderViewFolder::handleMouseDown( S32 x, S32 y, MASK mask )
-{
- bool handled = false;
- if( isOpen() )
- {
- handled = childrenHandleMouseDown(x,y,mask) != NULL;
- }
- if( !handled )
- {
- if((mIndentation < x && x < mIndentation + (isCollapsed() ? 0 : mArrowSize) + mTextPad)
- && !mSingleFolderMode)
- {
- toggleOpen();
- handled = true;
- }
- else
- {
- // do normal selection logic
- handled = LLFolderViewItem::handleMouseDown(x, y, mask);
- }
- }
-
- return handled;
-}
-
-bool LLFolderViewFolder::handleDoubleClick( S32 x, S32 y, MASK mask )
-{
- bool handled = false;
- if(mSingleFolderMode)
- {
- static LLUICachedControl<bool> double_click_new_window("SingleModeDoubleClickOpenWindow", false);
- if (double_click_new_window)
- {
- getViewModelItem()->navigateToFolder(true);
- }
- else
- {
- // navigating is going to destroy views and change children
- // delay it untill handleDoubleClick processing is complete
- doOnIdleOneTime([this]()
- {
- getViewModelItem()->navigateToFolder(false);
- });
- }
- return true;
- }
-
- if( isOpen() )
- {
- handled = childrenHandleDoubleClick( x, y, mask ) != NULL;
- }
- if( !handled )
- {
- if(mDoubleClickOverride)
- {
- static LLUICachedControl<U32> double_click_action("MultiModeDoubleClickFolder", false);
- if (double_click_action == 1)
- {
- getViewModelItem()->navigateToFolder(true);
- return true;
- }
- if (double_click_action == 2)
- {
- getViewModelItem()->navigateToFolder(false, true);
- return true;
- }
- }
- if(mIndentation < x && x < mIndentation + (isCollapsed() ? 0 : mArrowSize) + mTextPad)
- {
- // don't select when user double-clicks plus sign
- // so as not to contradict single-click behavior
- toggleOpen();
- }
- else
- {
- getRoot()->setSelection(this, false);
- toggleOpen();
- }
- handled = true;
- }
- return handled;
-}
-
-void LLFolderViewFolder::draw()
-{
- updateLabelRotation();
-
- LLFolderViewItem::draw();
-
- // draw children if root folder, or any other folder that is open or animating to closed state
- if( getRoot() == this || (isOpen() || mCurHeight != mTargetHeight ))
- {
- LLView::draw();
- }
-
- mExpanderHighlighted = false;
-}
-
-// this does prefix traversal, as folders are listed above their contents
-LLFolderViewItem* LLFolderViewFolder::getNextFromChild( LLFolderViewItem* item, bool include_children )
-{
- bool found_item = false;
-
- LLFolderViewItem* result = NULL;
- // when not starting from a given item, start at beginning
- if(item == NULL)
- {
- found_item = true;
- }
-
- // find current item among children
- folders_t::iterator fit = mFolders.begin();
- folders_t::iterator fend = mFolders.end();
-
- items_t::iterator iit = mItems.begin();
- items_t::iterator iend = mItems.end();
-
- // if not trivially starting at the beginning, we have to find the current item
- if (!found_item)
- {
- // first, look among folders, since they are always above items
- for(; fit != fend; ++fit)
- {
- if(item == (*fit))
- {
- found_item = true;
- // if we are on downwards traversal
- if (include_children && (*fit)->isOpen())
- {
- // look for first descendant
- return (*fit)->getNextFromChild(NULL, true);
- }
- // otherwise advance to next folder
- ++fit;
- include_children = true;
- break;
- }
- }
-
- // didn't find in folders? Check items...
- if (!found_item)
- {
- for(; iit != iend; ++iit)
- {
- if(item == (*iit))
- {
- found_item = true;
- // point to next item
- ++iit;
- break;
- }
- }
- }
- }
-
- if (!found_item)
- {
- // you should never call this method with an item that isn't a child
- // so we should always find something
- llassert(false);
- return NULL;
- }
-
- // at this point, either iit or fit point to a candidate "next" item
- // if both are out of range, we need to punt up to our parent
-
- // now, starting from found folder, continue through folders
- // searching for next visible folder
- while(fit != fend && !(*fit)->getVisible())
- {
- // turn on downwards traversal for next folder
- ++fit;
- }
-
- if (fit != fend)
- {
- result = (*fit);
- }
- else
- {
- // otherwise, scan for next visible item
- while(iit != iend && !(*iit)->getVisible())
- {
- ++iit;
- }
-
- // check to see if we have a valid item
- if (iit != iend)
- {
- result = (*iit);
- }
- }
-
- if( !result && mParentFolder )
- {
- // If there are no siblings or children to go to, recurse up one level in the tree
- // and skip children for this folder, as we've already discounted them
- result = mParentFolder->getNextFromChild(this, false);
- }
-
- return result;
-}
-
-// this does postfix traversal, as folders are listed above their contents
-LLFolderViewItem* LLFolderViewFolder::getPreviousFromChild( LLFolderViewItem* item, bool include_children )
-{
- bool found_item = false;
-
- LLFolderViewItem* result = NULL;
- // when not starting from a given item, start at end
- if(item == NULL)
- {
- found_item = true;
- }
-
- // find current item among children
- folders_t::reverse_iterator fit = mFolders.rbegin();
- folders_t::reverse_iterator fend = mFolders.rend();
-
- items_t::reverse_iterator iit = mItems.rbegin();
- items_t::reverse_iterator iend = mItems.rend();
-
- // if not trivially starting at the end, we have to find the current item
- if (!found_item)
- {
- // first, look among items, since they are always below the folders
- for(; iit != iend; ++iit)
- {
- if(item == (*iit))
- {
- found_item = true;
- // point to next item
- ++iit;
- break;
- }
- }
-
- // didn't find in items? Check folders...
- if (!found_item)
- {
- for(; fit != fend; ++fit)
- {
- if(item == (*fit))
- {
- found_item = true;
- // point to next folder
- ++fit;
- break;
- }
- }
- }
- }
-
- if (!found_item)
- {
- // you should never call this method with an item that isn't a child
- // so we should always find something
- llassert(false);
- return NULL;
- }
-
- // at this point, either iit or fit point to a candidate "next" item
- // if both are out of range, we need to punt up to our parent
-
- // now, starting from found item, continue through items
- // searching for next visible item
- while(iit != iend && !(*iit)->getVisible())
- {
- ++iit;
- }
-
- if (iit != iend)
- {
- // we found an appropriate item
- result = (*iit);
- }
- else
- {
- // otherwise, scan for next visible folder
- while(fit != fend && !(*fit)->getVisible())
- {
- ++fit;
- }
-
- // check to see if we have a valid folder
- if (fit != fend)
- {
- // try selecting child element of this folder
- if ((*fit)->isOpen() && include_children)
- {
- result = (*fit)->getPreviousFromChild(NULL);
- }
- else
- {
- result = (*fit);
- }
- }
- }
-
- if( !result )
- {
- // If there are no siblings or children to go to, recurse up one level in the tree
- // which gets back to this folder, which will only be visited if it is a valid, visible item
- result = this;
- }
-
- return result;
-}
-
+/**
+* @file llfolderviewitem.cpp
+* @brief Items and folders that can appear in a hierarchical folder view
+*
+* $LicenseInfo:firstyear=2001&license=viewerlgpl$
+* 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 "../newview/llviewerprecompiledheaders.h"
+
+#include "llflashtimer.h"
+
+#include "linden_common.h"
+#include "llfolderviewitem.h"
+#include "llfolderview.h"
+#include "llfolderviewmodel.h"
+#include "llpanel.h"
+#include "llcallbacklist.h"
+#include "llcriticaldamp.h"
+#include "llclipboard.h"
+#include "llfocusmgr.h" // gFocusMgr
+#include "lltrans.h"
+#include "llwindow.h"
+
+///----------------------------------------------------------------------------
+/// Class LLFolderViewItem
+///----------------------------------------------------------------------------
+
+static LLDefaultChildRegistry::Register<LLFolderViewItem> r("folder_view_item");
+
+// statics
+std::map<U8, LLFontGL*> LLFolderViewItem::sFonts; // map of styles to fonts
+
+bool LLFolderViewItem::sColorSetInitialized = false;
+LLUIColor LLFolderViewItem::sFgColor;
+LLUIColor LLFolderViewItem::sHighlightBgColor;
+LLUIColor LLFolderViewItem::sFlashBgColor;
+LLUIColor LLFolderViewItem::sFocusOutlineColor;
+LLUIColor LLFolderViewItem::sMouseOverColor;
+LLUIColor LLFolderViewItem::sFilterBGColor;
+LLUIColor LLFolderViewItem::sFilterTextColor;
+LLUIColor LLFolderViewItem::sSuffixColor;
+LLUIColor LLFolderViewItem::sSearchStatusColor;
+
+// only integers can be initialized in header
+const F32 LLFolderViewItem::FOLDER_CLOSE_TIME_CONSTANT = 0.02f;
+const F32 LLFolderViewItem::FOLDER_OPEN_TIME_CONSTANT = 0.03f;
+
+const LLColor4U DEFAULT_WHITE(255, 255, 255);
+
+
+//static
+LLFontGL* LLFolderViewItem::getLabelFontForStyle(U8 style)
+{
+ LLFontGL* rtn = sFonts[style];
+ if (!rtn) // grab label font with this style, lazily
+ {
+ LLFontDescriptor labelfontdesc("SansSerif", "Small", style);
+ rtn = LLFontGL::getFont(labelfontdesc);
+ if (!rtn)
+ {
+ rtn = LLFontGL::getFontDefault();
+ }
+ sFonts[style] = rtn;
+ }
+ return rtn;
+}
+
+//static
+void LLFolderViewItem::initClass()
+{
+}
+
+//static
+void LLFolderViewItem::cleanupClass()
+{
+ sFonts.clear();
+}
+
+
+// NOTE: Optimize this, we call it a *lot* when opening a large inventory
+LLFolderViewItem::Params::Params()
+: root(),
+ listener(),
+ folder_arrow_image("folder_arrow_image"),
+ folder_indentation("folder_indentation"),
+ selection_image("selection_image"),
+ item_height("item_height"),
+ item_top_pad("item_top_pad"),
+ creation_date(),
+ allow_wear("allow_wear", true),
+ allow_drop("allow_drop", true),
+ font_color("font_color"),
+ font_highlight_color("font_highlight_color"),
+ left_pad("left_pad", 0),
+ icon_pad("icon_pad", 0),
+ icon_width("icon_width", 0),
+ text_pad("text_pad", 0),
+ text_pad_right("text_pad_right", 0),
+ single_folder_mode("single_folder_mode", false),
+ double_click_override("double_click_override", false),
+ arrow_size("arrow_size", 0),
+ max_folder_item_overlap("max_folder_item_overlap", 0)
+{ }
+
+// Default constructor
+LLFolderViewItem::LLFolderViewItem(const LLFolderViewItem::Params& p)
+: LLView(p),
+ mLabelWidth(0),
+ mLabelWidthDirty(false),
+ mSuffixNeedsRefresh(false),
+ mLabelPaddingRight(DEFAULT_LABEL_PADDING_RIGHT),
+ mParentFolder( NULL ),
+ mIsSelected( false ),
+ mIsCurSelection( false ),
+ mSelectPending(false),
+ mIsItemCut(false),
+ mCutGeneration(0),
+ mLabelStyle( LLFontGL::NORMAL ),
+ mHasVisibleChildren(false),
+ mLocalIndentation(p.folder_indentation),
+ mIndentation(0),
+ mItemHeight(p.item_height),
+ mControlLabelRotation(0.f),
+ mDragAndDropTarget(false),
+ mLabel(p.name),
+ mRoot(p.root),
+ mViewModelItem(p.listener),
+ mIsMouseOverTitle(false),
+ mAllowWear(p.allow_wear),
+ mAllowDrop(p.allow_drop),
+ mFontColor(p.font_color),
+ mFontHighlightColor(p.font_highlight_color),
+ mLeftPad(p.left_pad),
+ mIconPad(p.icon_pad),
+ mIconWidth(p.icon_width),
+ mTextPad(p.text_pad),
+ mTextPadRight(p.text_pad_right),
+ mArrowSize(p.arrow_size),
+ mSingleFolderMode(p.single_folder_mode),
+ mMaxFolderItemOverlap(p.max_folder_item_overlap),
+ mDoubleClickOverride(p.double_click_override)
+{
+ if (!sColorSetInitialized)
+ {
+ sFgColor = LLUIColorTable::instance().getColor("MenuItemEnabledColor", DEFAULT_WHITE);
+ sHighlightBgColor = LLUIColorTable::instance().getColor("MenuItemHighlightBgColor", DEFAULT_WHITE);
+ sFlashBgColor = LLUIColorTable::instance().getColor("MenuItemFlashBgColor", DEFAULT_WHITE);
+ sFocusOutlineColor = LLUIColorTable::instance().getColor("InventoryFocusOutlineColor", DEFAULT_WHITE);
+ sMouseOverColor = LLUIColorTable::instance().getColor("InventoryMouseOverColor", DEFAULT_WHITE);
+ sFilterBGColor = LLUIColorTable::instance().getColor("FilterBackgroundColor", DEFAULT_WHITE);
+ sFilterTextColor = LLUIColorTable::instance().getColor("FilterTextColor", DEFAULT_WHITE);
+ sSuffixColor = LLUIColorTable::instance().getColor("InventoryItemLinkColor", DEFAULT_WHITE);
+ sSearchStatusColor = LLUIColorTable::instance().getColor("InventorySearchStatusColor", DEFAULT_WHITE);
+ sColorSetInitialized = true;
+ }
+
+ if (mViewModelItem)
+ {
+ mViewModelItem->setFolderViewItem(this);
+ }
+}
+
+// Destroys the object
+LLFolderViewItem::~LLFolderViewItem()
+{
+ mViewModelItem = NULL;
+ gFocusMgr.removeKeyboardFocusWithoutCallback(this);
+}
+
+bool LLFolderViewItem::postBuild()
+{
+ LLFolderViewModelItem* vmi = getViewModelItem();
+ llassert(vmi); // not supposed to happen, if happens, find out why and fix
+ if (vmi)
+ {
+ // getDisplayName() is expensive (due to internal getLabelSuffix() and name building)
+ // it also sets search strings so it requires a filter reset
+ mLabel = vmi->getDisplayName();
+ setToolTip(vmi->getName());
+
+ // Dirty the filter flag of the model from the view (CHUI-849)
+ vmi->dirtyFilter();
+ }
+
+ // Don't do full refresh on constructor if it is possible to avoid
+ // it significantly slows down bulk view creation.
+ // Todo: Ideally we need to move getDisplayName() out of constructor as well.
+ // Like: make a logic that will let filter update search string,
+ // while LLFolderViewItem::arrange() updates visual part
+ mSuffixNeedsRefresh = true;
+ mLabelWidthDirty = true;
+ return true;
+}
+
+LLFolderView* LLFolderViewItem::getRoot()
+{
+ return mRoot;
+}
+
+const LLFolderView* LLFolderViewItem::getRoot() const
+{
+ return mRoot;
+}
+// Returns true if this object is a child (or grandchild, etc.) of potential_ancestor.
+bool LLFolderViewItem::isDescendantOf( const LLFolderViewFolder* potential_ancestor )
+{
+ LLFolderViewItem* root = this;
+ while( root->mParentFolder )
+ {
+ if( root->mParentFolder == potential_ancestor )
+ {
+ return true;
+ }
+ root = root->mParentFolder;
+ }
+ return false;
+}
+
+LLFolderViewItem* LLFolderViewItem::getNextOpenNode(bool include_children)
+{
+ if (!mParentFolder)
+ {
+ return NULL;
+ }
+
+ LLFolderViewItem* itemp = mParentFolder->getNextFromChild( this, include_children );
+ while(itemp && !itemp->getVisible())
+ {
+ LLFolderViewItem* next_itemp = itemp->mParentFolder->getNextFromChild( itemp, include_children );
+ if (itemp == next_itemp)
+ {
+ // hit last item
+ return itemp->getVisible() ? itemp : this;
+ }
+ itemp = next_itemp;
+ }
+
+ return itemp;
+}
+
+LLFolderViewItem* LLFolderViewItem::getPreviousOpenNode(bool include_children)
+{
+ if (!mParentFolder)
+ {
+ return NULL;
+ }
+
+ LLFolderViewItem* itemp = mParentFolder->getPreviousFromChild( this, include_children );
+
+ // Skip over items that are invisible or are hidden from the UI.
+ while(itemp && !itemp->getVisible())
+ {
+ LLFolderViewItem* next_itemp = itemp->mParentFolder->getPreviousFromChild( itemp, include_children );
+ if (itemp == next_itemp)
+ {
+ // hit first item
+ return itemp->getVisible() ? itemp : this;
+ }
+ itemp = next_itemp;
+ }
+
+ return itemp;
+}
+
+bool LLFolderViewItem::passedFilter(S32 filter_generation)
+{
+ return getViewModelItem()->passedFilter(filter_generation);
+}
+
+bool LLFolderViewItem::isPotentiallyVisible(S32 filter_generation)
+{
+ if (filter_generation < 0)
+ {
+ filter_generation = getFolderViewModel()->getFilter().getFirstSuccessGeneration();
+ }
+ LLFolderViewModelItem* model = getViewModelItem();
+ bool visible = model->passedFilter(filter_generation);
+ if (model->getMarkedDirtyGeneration() >= filter_generation)
+ {
+ // unsure visibility state
+ // retaining previous visibility until item is updated or filter generation changes
+ visible |= getVisible();
+ }
+ return visible;
+}
+
+void LLFolderViewItem::refresh()
+{
+ LLFolderViewModelItem& vmi = *getViewModelItem();
+
+ mLabel = vmi.getDisplayName();
+ setToolTip(vmi.getName());
+ // icons are slightly expensive to get, can be optimized
+ // see LLInventoryIcon::getIcon()
+ mIcon = vmi.getIcon();
+ mIconOpen = vmi.getIconOpen();
+ mIconOverlay = vmi.getIconOverlay();
+
+ if (mRoot->useLabelSuffix())
+ {
+ // Very Expensive!
+ // Can do a number of expensive checks, like checking active motions, wearables or friend list
+ mLabelStyle = vmi.getLabelStyle();
+ mLabelSuffix = vmi.getLabelSuffix();
+ }
+
+ // Dirty the filter flag of the model from the view (CHUI-849)
+ vmi.dirtyFilter();
+
+ mLabelWidthDirty = true;
+ mSuffixNeedsRefresh = false;
+}
+
+void LLFolderViewItem::refreshSuffix()
+{
+ LLFolderViewModelItem const* vmi = getViewModelItem();
+
+ // icons are slightly expensive to get, can be optimized
+ // see LLInventoryIcon::getIcon()
+ mIcon = vmi->getIcon();
+ mIconOpen = vmi->getIconOpen();
+ mIconOverlay = vmi->getIconOverlay();
+
+ if (mRoot->useLabelSuffix())
+ {
+ // Very Expensive!
+ // Can do a number of expensive checks, like checking active motions, wearables or friend list
+ mLabelStyle = vmi->getLabelStyle();
+ mLabelSuffix = vmi->getLabelSuffix();
+ }
+
+ mLabelWidthDirty = true;
+ mSuffixNeedsRefresh = false;
+}
+
+// Utility function for LLFolderView
+void LLFolderViewItem::arrangeAndSet(bool set_selection,
+ bool take_keyboard_focus)
+{
+ LLFolderView* root = getRoot();
+ if (getParentFolder())
+ {
+ getParentFolder()->requestArrange();
+ }
+ if(set_selection)
+ {
+ getRoot()->setSelection(this, true, take_keyboard_focus);
+ if(root)
+ {
+ root->scrollToShowSelection();
+ }
+ }
+}
+
+
+std::set<LLFolderViewItem*> LLFolderViewItem::getSelectionList() const
+{
+ std::set<LLFolderViewItem*> selection;
+ return selection;
+}
+
+// addToFolder() returns true if it succeeds. false otherwise
+void LLFolderViewItem::addToFolder(LLFolderViewFolder* folder)
+{
+ folder->addItem(this);
+
+ // Compute indentation since parent folder changed
+ mIndentation = (getParentFolder())
+ ? getParentFolder()->getIndentation() + mLocalIndentation
+ : 0;
+}
+
+
+// Finds width and height of this object and its children. Also
+// makes sure that this view and its children are the right size.
+S32 LLFolderViewItem::arrange( S32* width, S32* height )
+{
+ // Only indent deeper items in hierarchy
+ mIndentation = (getParentFolder())
+ ? getParentFolder()->getIndentation() + mLocalIndentation
+ : 0;
+ if (mLabelWidthDirty)
+ {
+ if (mSuffixNeedsRefresh)
+ {
+ // Expensive. But despite refreshing label,
+ // it is purely visual, so it is fine to do at our laisure
+ refreshSuffix();
+ }
+ mLabelWidth = getLabelXPos() + getLabelFontForStyle(mLabelStyle)->getWidth(mLabel) + getLabelFontForStyle(LLFontGL::NORMAL)->getWidth(mLabelSuffix) + mLabelPaddingRight;
+ mLabelWidthDirty = false;
+ }
+
+ *width = llmax(*width, mLabelWidth);
+
+ // determine if we need to use ellipses to avoid horizontal scroll. EXT-719
+ bool use_ellipses = getRoot()->getUseEllipses();
+ if (use_ellipses)
+ {
+ // limit to set rect to avoid horizontal scrollbar
+ *width = llmin(*width, getRoot()->getRect().getWidth());
+ }
+ *height = getItemHeight();
+ return *height;
+}
+
+S32 LLFolderViewItem::getItemHeight() const
+{
+ return mItemHeight;
+}
+
+S32 LLFolderViewItem::getLabelXPos()
+{
+ return getIndentation() + mArrowSize + mTextPad + mIconWidth + mIconPad;
+}
+
+S32 LLFolderViewItem::getIconPad()
+{
+ return mIconPad;
+}
+
+S32 LLFolderViewItem::getTextPad()
+{
+ return mTextPad;
+}
+
+// *TODO: This can be optimized a lot by simply recording that it is
+// selected in the appropriate places, and assuming that set selection
+// means 'deselect' for a leaf item. Do this optimization after
+// multiple selection is implemented to make sure it all plays nice
+// together.
+bool LLFolderViewItem::setSelection(LLFolderViewItem* selection, bool openitem, bool take_keyboard_focus)
+{
+ if (selection == this && !mIsSelected)
+ {
+ selectItem();
+ }
+ else if (mIsSelected) // Deselect everything else.
+ {
+ deselectItem();
+ }
+ return mIsSelected;
+}
+
+bool LLFolderViewItem::changeSelection(LLFolderViewItem* selection, bool selected)
+{
+ if (selection == this)
+ {
+ if (mIsSelected)
+ {
+ deselectItem();
+ }
+ else
+ {
+ selectItem();
+ }
+ return true;
+ }
+ return false;
+}
+
+void LLFolderViewItem::deselectItem(void)
+{
+ mIsSelected = false;
+}
+
+void LLFolderViewItem::selectItem(void)
+{
+ if (!mIsSelected)
+ {
+ mIsSelected = true;
+ getViewModelItem()->selectItem();
+ }
+}
+
+bool LLFolderViewItem::isMovable()
+{
+ return getViewModelItem()->isItemMovable();
+}
+
+bool LLFolderViewItem::isRemovable()
+{
+ return getViewModelItem()->isItemRemovable();
+}
+
+void LLFolderViewItem::destroyView()
+{
+ getRoot()->removeFromSelectionList(this);
+
+ if (mParentFolder)
+ {
+ // removeView deletes me
+ mParentFolder->extractItem(this);
+ }
+ delete this;
+}
+
+// Call through to the viewed object and return true if it can be
+// removed.
+//bool LLFolderViewItem::removeRecursively(bool single_item)
+bool LLFolderViewItem::remove()
+{
+ if(!isRemovable())
+ {
+ return false;
+ }
+ return getViewModelItem()->removeItem();
+}
+
+// Build an appropriate context menu for the item.
+void LLFolderViewItem::buildContextMenu(LLMenuGL& menu, U32 flags)
+{
+ getViewModelItem()->buildContextMenu(menu, flags);
+}
+
+void LLFolderViewItem::openItem( void )
+{
+ if (mAllowWear || !getViewModelItem()->isItemWearable())
+ {
+ getViewModelItem()->openItem();
+ }
+}
+
+void LLFolderViewItem::rename(const std::string& new_name)
+{
+ if( !new_name.empty() )
+ {
+ getViewModelItem()->renameItem(new_name);
+ }
+}
+
+const std::string& LLFolderViewItem::getName( void ) const
+{
+ static const std::string noName("");
+ return getViewModelItem() ? getViewModelItem()->getName() : noName;
+}
+
+// LLView functionality
+bool LLFolderViewItem::handleRightMouseDown( S32 x, S32 y, MASK mask )
+{
+ if(!mIsSelected)
+ {
+ getRoot()->setSelection(this, false);
+ }
+ make_ui_sound("UISndClick");
+ return true;
+}
+
+bool LLFolderViewItem::handleMouseDown( S32 x, S32 y, MASK mask )
+{
+ if (LLView::childrenHandleMouseDown(x, y, mask))
+ {
+ return true;
+ }
+
+ // No handler needed for focus lost since this class has no
+ // state that depends on it.
+ gFocusMgr.setMouseCapture( this );
+
+ if (!mIsSelected)
+ {
+ if(mask & MASK_CONTROL)
+ {
+ getRoot()->changeSelection(this, !mIsSelected);
+ }
+ else if (mask & MASK_SHIFT)
+ {
+ getParentFolder()->extendSelectionTo(this);
+ }
+ else
+ {
+ getRoot()->setSelection(this, false);
+ }
+ make_ui_sound("UISndClick");
+ }
+ else
+ {
+ // If selected, we reserve the decision of deselecting/reselecting to the mouse up moment.
+ // This is necessary so we maintain selection consistent when starting a drag.
+ mSelectPending = true;
+ }
+
+ mDragStartX = x;
+ mDragStartY = y;
+ return true;
+}
+
+bool LLFolderViewItem::handleHover( S32 x, S32 y, MASK mask )
+{
+ mIsMouseOverTitle = (y > (getRect().getHeight() - mItemHeight));
+
+ if( hasMouseCapture() && isMovable() )
+ {
+ LLFolderView* root = getRoot();
+
+ if( (x - mDragStartX) * (x - mDragStartX) + (y - mDragStartY) * (y - mDragStartY) > DRAG_N_DROP_DISTANCE_THRESHOLD * DRAG_N_DROP_DISTANCE_THRESHOLD
+ && root->getAllowDrag()
+ && root->getCurSelectedItem()
+ && root->startDrag())
+ {
+ // RN: when starting drag and drop, clear out last auto-open
+ root->autoOpenTest(NULL);
+ root->setShowSelectionContext(true);
+
+ // Release keyboard focus, so that if stuff is dropped into the
+ // world, pressing the delete key won't blow away the inventory
+ // item.
+ gFocusMgr.setKeyboardFocus(NULL);
+
+ getWindow()->setCursor(UI_CURSOR_ARROW);
+ }
+ else if (x != mDragStartX || y != mDragStartY)
+ {
+ getWindow()->setCursor(UI_CURSOR_NOLOCKED);
+ }
+
+ root->clearHoveredItem();
+ return true;
+ }
+ else
+ {
+ LLFolderView* pRoot = getRoot();
+ pRoot->setHoveredItem(this);
+ pRoot->setShowSelectionContext(false);
+ getWindow()->setCursor(UI_CURSOR_ARROW);
+ // let parent handle this then...
+ return false;
+ }
+}
+
+
+bool LLFolderViewItem::handleDoubleClick( S32 x, S32 y, MASK mask )
+{
+ openItem();
+ return true;
+}
+
+bool LLFolderViewItem::handleMouseUp( S32 x, S32 y, MASK mask )
+{
+ if (LLView::childrenHandleMouseUp(x, y, mask))
+ {
+ return true;
+ }
+
+ // if mouse hasn't moved since mouse down...
+ if ( pointInView(x, y) && mSelectPending )
+ {
+ //...then select
+ if(mask & MASK_CONTROL)
+ {
+ getRoot()->changeSelection(this, !mIsSelected);
+ }
+ else if (mask & MASK_SHIFT)
+ {
+ getParentFolder()->extendSelectionTo(this);
+ }
+ else
+ {
+ getRoot()->setSelection(this, false);
+ }
+ }
+
+ mSelectPending = false;
+
+ if( hasMouseCapture() )
+ {
+ if (getRoot())
+ {
+ getRoot()->setShowSelectionContext(false);
+ }
+ gFocusMgr.setMouseCapture( NULL );
+ }
+ return true;
+}
+
+void LLFolderViewItem::onMouseLeave(S32 x, S32 y, MASK mask)
+{
+ mIsMouseOverTitle = false;
+
+ // NOTE: LLViewerWindow::updateUI() calls "enter" before "leave"; if the mouse moved to another item, we can't just outright clear it
+ LLFolderView* pRoot = getRoot();
+ if (this == pRoot->getHoveredItem())
+ {
+ pRoot->clearHoveredItem();
+ }
+}
+
+bool LLFolderViewItem::handleDragAndDrop(S32 x, S32 y, MASK mask, bool drop,
+ EDragAndDropType cargo_type,
+ void* cargo_data,
+ EAcceptance* accept,
+ std::string& tooltip_msg)
+{
+ bool handled = false;
+ bool accepted = getViewModelItem()->dragOrDrop(mask,drop,cargo_type,cargo_data, tooltip_msg);
+ handled = accepted;
+ if (accepted)
+ {
+ mDragAndDropTarget = true;
+ *accept = ACCEPT_YES_MULTI;
+ }
+ else
+ {
+ *accept = ACCEPT_NO;
+ }
+ if(mParentFolder && !handled)
+ {
+ // store this item to get it in LLFolderBridge::dragItemIntoFolder on drop event.
+ mRoot->setDraggingOverItem(this);
+ handled = mParentFolder->handleDragAndDropFromChild(mask,drop,cargo_type,cargo_data,accept,tooltip_msg);
+ mRoot->setDraggingOverItem(NULL);
+ }
+ if (handled)
+ {
+ LL_DEBUGS("UserInput") << "dragAndDrop handled by LLFolderViewItem" << LL_ENDL;
+ }
+
+ return handled;
+}
+
+void LLFolderViewItem::drawOpenFolderArrow(const Params& default_params, const LLUIColor& fg_color)
+{
+ //--------------------------------------------------------------------------------//
+ // Draw open folder arrow
+ //
+ const S32 TOP_PAD = default_params.item_top_pad;
+
+ if (hasVisibleChildren() || !isFolderComplete())
+ {
+ LLUIImage* arrow_image = default_params.folder_arrow_image;
+ gl_draw_scaled_rotated_image(
+ mIndentation, getRect().getHeight() - mArrowSize - mTextPad - TOP_PAD,
+ mArrowSize, mArrowSize, mControlLabelRotation, arrow_image->getImage(), fg_color);
+ }
+}
+
+/*virtual*/ bool LLFolderViewItem::isHighlightAllowed()
+{
+ return mIsSelected;
+}
+
+/*virtual*/ bool LLFolderViewItem::isHighlightActive()
+{
+ return mIsCurSelection;
+}
+
+/*virtual*/ bool LLFolderViewItem::isFadeItem()
+{
+ LLClipboard& clipboard = LLClipboard::instance();
+ if (mCutGeneration != clipboard.getGeneration())
+ {
+ mCutGeneration = clipboard.getGeneration();
+ mIsItemCut = clipboard.isCutMode()
+ && ((getParentFolder() && getParentFolder()->isFadeItem())
+ || getViewModelItem()->isCutToClipboard());
+ }
+ return mIsItemCut;
+}
+
+void LLFolderViewItem::drawHighlight(const bool showContent, const bool hasKeyboardFocus, const LLUIColor &selectColor, const LLUIColor &flashColor,
+ const LLUIColor &focusOutlineColor, const LLUIColor &mouseOverColor)
+{
+ const S32 focus_top = getRect().getHeight();
+ const S32 focus_bottom = getRect().getHeight() - mItemHeight;
+ const bool folder_open = (getRect().getHeight() > mItemHeight + 4);
+ const S32 FOCUS_LEFT = 1;
+
+ // Determine which background color to use for highlighting
+ LLUIColor bgColor = (isFlashing() ? flashColor : selectColor);
+
+ //--------------------------------------------------------------------------------//
+ // Draw highlight for selected items
+ // Note: Always render "current" item or flashing item, only render other selected
+ // items if mShowSingleSelection is false.
+ //
+ if (isHighlightAllowed())
+
+ {
+ gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+
+ // Highlight for selected but not current items
+ if (!isHighlightActive() && !isFlashing())
+ {
+ LLColor4 bg_color = bgColor;
+ // do time-based fade of extra objects
+ F32 fade_time = (getRoot() ? getRoot()->getSelectionFadeElapsedTime() : 0.0f);
+ if (getRoot() && getRoot()->getShowSingleSelection())
+ {
+ // fading out
+ bg_color.mV[VALPHA] = clamp_rescale(fade_time, 0.f, 0.4f, bg_color.mV[VALPHA], 0.f);
+ }
+ else
+ {
+ // fading in
+ bg_color.mV[VALPHA] = clamp_rescale(fade_time, 0.f, 0.4f, 0.f, bg_color.mV[VALPHA]);
+ }
+ gl_rect_2d(FOCUS_LEFT,
+ focus_top,
+ getRect().getWidth() - 2,
+ focus_bottom,
+ bg_color, hasKeyboardFocus);
+ }
+
+ // Highlight for currently selected or flashing item
+ if (isHighlightActive())
+ {
+ // Background
+ gl_rect_2d(FOCUS_LEFT,
+ focus_top,
+ getRect().getWidth() - 2,
+ focus_bottom,
+ bgColor, hasKeyboardFocus);
+ // Outline
+ gl_rect_2d(FOCUS_LEFT,
+ focus_top,
+ getRect().getWidth() - 2,
+ focus_bottom,
+ focusOutlineColor, false);
+ }
+
+ if (folder_open)
+ {
+ gl_rect_2d(FOCUS_LEFT,
+ focus_bottom + 1, // overlap with bottom edge of above rect
+ getRect().getWidth() - 2,
+ 0,
+ focusOutlineColor, false);
+ if (showContent && !isFlashing())
+ {
+ gl_rect_2d(FOCUS_LEFT,
+ focus_bottom + 1,
+ getRect().getWidth() - 2,
+ 0,
+ bgColor, true);
+ }
+ }
+ }
+ else if (mIsMouseOverTitle)
+ {
+ gl_rect_2d(FOCUS_LEFT,
+ focus_top,
+ getRect().getWidth() - 2,
+ focus_bottom,
+ mouseOverColor, false);
+ }
+
+ //--------------------------------------------------------------------------------//
+ // Draw DragNDrop highlight
+ //
+ if (mDragAndDropTarget)
+ {
+ gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+ gl_rect_2d(FOCUS_LEFT,
+ focus_top,
+ getRect().getWidth() - 2,
+ focus_bottom,
+ bgColor, false);
+ if (folder_open)
+ {
+ gl_rect_2d(FOCUS_LEFT,
+ focus_bottom + 1, // overlap with bottom edge of above rect
+ getRect().getWidth() - 2,
+ 0,
+ bgColor, false);
+ }
+ mDragAndDropTarget = false;
+ }
+}
+
+void LLFolderViewItem::drawLabel(const LLFontGL * font, const F32 x, const F32 y, const LLColor4& color, F32 &right_x)
+{
+ //--------------------------------------------------------------------------------//
+ // Draw the actual label text
+ //
+ font->renderUTF8(mLabel, 0, x, y, color,
+ LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW,
+ S32_MAX, getRect().getWidth() - (S32) x - mLabelPaddingRight, &right_x, /*use_ellipses*/true);
+}
+
+void LLFolderViewItem::draw()
+{
+ const bool show_context = (getRoot() ? getRoot()->getShowSelectionContext() : false);
+ const bool filled = show_context || (getRoot() ? getRoot()->getParentPanel()->hasFocus() : false); // If we have keyboard focus, draw selection filled
+
+ const Params& default_params = LLUICtrlFactory::getDefaultParams<LLFolderViewItem>();
+ const S32 TOP_PAD = default_params.item_top_pad;
+
+ const LLFontGL* font = getLabelFontForStyle(mLabelStyle);
+
+ getViewModelItem()->update();
+
+ if(!mSingleFolderMode)
+ {
+ drawOpenFolderArrow(default_params, sFgColor);
+ }
+
+ drawHighlight(show_context, filled, sHighlightBgColor, sFlashBgColor, sFocusOutlineColor, sMouseOverColor);
+
+ //--------------------------------------------------------------------------------//
+ // Draw open icon
+ //
+ const S32 icon_x = mIndentation + mArrowSize + mTextPad;
+ if (!mIconOpen.isNull() && (llabs(mControlLabelRotation) > 80)) // For open folders
+ {
+ mIconOpen->draw(icon_x, getRect().getHeight() - mIconOpen->getHeight() - TOP_PAD + 1);
+ }
+ else if (mIcon)
+ {
+ mIcon->draw(icon_x, getRect().getHeight() - mIcon->getHeight() - TOP_PAD + 1);
+ }
+
+ if (mIconOverlay && getRoot()->showItemLinkOverlays())
+ {
+ mIconOverlay->draw(icon_x, getRect().getHeight() - mIcon->getHeight() - TOP_PAD + 1);
+ }
+
+ //--------------------------------------------------------------------------------//
+ // Exit if no label to draw
+ //
+ if (mLabel.empty())
+ {
+ return;
+ }
+
+ std::string::size_type filter_string_length = mViewModelItem->hasFilterStringMatch() ? mViewModelItem->getFilterStringSize() : 0;
+ F32 right_x = 0;
+ F32 y = (F32)getRect().getHeight() - font->getLineHeight() - (F32)mTextPad - (F32)TOP_PAD;
+ F32 text_left = (F32)getLabelXPos();
+ std::string combined_string = mLabel + mLabelSuffix;
+
+ const LLFontGL* suffix_font = getLabelFontForStyle(LLFontGL::NORMAL);
+ S32 filter_offset = mViewModelItem->getFilterStringOffset();
+ if (filter_string_length > 0)
+ {
+ S32 bottom = llfloor(getRect().getHeight() - font->getLineHeight() - 3 - TOP_PAD);
+ S32 top = getRect().getHeight() - TOP_PAD;
+ if(mLabelSuffix.empty() || (font == suffix_font))
+ {
+ S32 left = ll_round(text_left) + font->getWidth(combined_string, 0, mViewModelItem->getFilterStringOffset()) - 2;
+ S32 right = left + font->getWidth(combined_string, mViewModelItem->getFilterStringOffset(), filter_string_length) + 2;
+
+ LLUIImage* box_image = default_params.selection_image;
+ LLRect box_rect(left, top, right, bottom);
+ box_image->draw(box_rect, sFilterBGColor);
+ }
+ else
+ {
+ S32 label_filter_length = llmin((S32)mLabel.size() - filter_offset, (S32)filter_string_length);
+ if(label_filter_length > 0)
+ {
+ S32 left = ll_round(text_left) + font->getWidthF32(mLabel, 0, llmin(filter_offset, (S32)mLabel.size())) - 2;
+ S32 right = left + font->getWidthF32(mLabel, filter_offset, label_filter_length) + 2;
+ LLUIImage* box_image = default_params.selection_image;
+ LLRect box_rect(left, top, right, bottom);
+ box_image->draw(box_rect, sFilterBGColor);
+ }
+ S32 suffix_filter_length = label_filter_length > 0 ? filter_string_length - label_filter_length : filter_string_length;
+ if(suffix_filter_length > 0)
+ {
+ S32 suffix_offset = llmax(0, filter_offset - (S32)mLabel.size());
+ S32 left = ll_round(text_left) + font->getWidthF32(mLabel, 0, mLabel.size()) + suffix_font->getWidthF32(mLabelSuffix, 0, suffix_offset) - 2;
+ S32 right = left + suffix_font->getWidthF32(mLabelSuffix, suffix_offset, suffix_filter_length) + 2;
+ LLUIImage* box_image = default_params.selection_image;
+ LLRect box_rect(left, top, right, bottom);
+ box_image->draw(box_rect, sFilterBGColor);
+ }
+ }
+ }
+
+ LLColor4 color = (mIsSelected && filled) ? mFontHighlightColor : mFontColor;
+
+ if (isFadeItem())
+ {
+ // Fade out item color to indicate it's being cut
+ color.mV[VALPHA] *= 0.5f;
+ }
+ drawLabel(font, text_left, y, color, right_x);
+
+ //--------------------------------------------------------------------------------//
+ // Draw label suffix
+ //
+ if (!mLabelSuffix.empty())
+ {
+ suffix_font->renderUTF8( mLabelSuffix, 0, right_x, y, isFadeItem() ? color : (LLColor4)sSuffixColor,
+ LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW,
+ S32_MAX, S32_MAX, &right_x);
+ }
+
+ //--------------------------------------------------------------------------------//
+ // Highlight string match
+ //
+ if (filter_string_length > 0)
+ {
+ if(mLabelSuffix.empty() || (font == suffix_font))
+ {
+ F32 match_string_left = text_left + font->getWidthF32(combined_string, 0, filter_offset + filter_string_length) - font->getWidthF32(combined_string, filter_offset, filter_string_length);
+ F32 yy = (F32)getRect().getHeight() - font->getLineHeight() - (F32)mTextPad - (F32)TOP_PAD;
+ font->renderUTF8(combined_string, filter_offset, match_string_left, yy,
+ sFilterTextColor, LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW,
+ filter_string_length, S32_MAX, &right_x);
+ }
+ else
+ {
+ S32 label_filter_length = llmin((S32)mLabel.size() - filter_offset, (S32)filter_string_length);
+ if(label_filter_length > 0)
+ {
+ F32 match_string_left = text_left + font->getWidthF32(mLabel, 0, filter_offset + label_filter_length) - font->getWidthF32(mLabel, filter_offset, label_filter_length);
+ F32 yy = (F32)getRect().getHeight() - font->getLineHeight() - (F32)mTextPad - (F32)TOP_PAD;
+ font->renderUTF8(mLabel, filter_offset, match_string_left, yy,
+ sFilterTextColor, LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW,
+ label_filter_length, S32_MAX, &right_x);
+ }
+
+ S32 suffix_filter_length = label_filter_length > 0 ? filter_string_length - label_filter_length : filter_string_length;
+ if(suffix_filter_length > 0)
+ {
+ S32 suffix_offset = llmax(0, filter_offset - (S32)mLabel.size());
+ F32 match_string_left = text_left + font->getWidthF32(mLabel, 0, mLabel.size()) + suffix_font->getWidthF32(mLabelSuffix, 0, suffix_offset + suffix_filter_length) - suffix_font->getWidthF32(mLabelSuffix, suffix_offset, suffix_filter_length);
+ F32 yy = (F32)getRect().getHeight() - suffix_font->getLineHeight() - (F32)mTextPad - (F32)TOP_PAD;
+ suffix_font->renderUTF8(mLabelSuffix, suffix_offset, match_string_left, yy, sFilterTextColor,
+ LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW,
+ suffix_filter_length, S32_MAX, &right_x);
+ }
+ }
+
+ }
+
+ //Gilbert Linden 9-20-2012: Although this should be legal, removing it because it causes the mLabelSuffix rendering to
+ //be distorted...oddly. I initially added this in but didn't need it after all. So removing to prevent unnecessary bug.
+ //LLView::draw();
+}
+
+const LLFolderViewModelInterface* LLFolderViewItem::getFolderViewModel( void ) const
+{
+ return getRoot()->getFolderViewModel();
+}
+
+LLFolderViewModelInterface* LLFolderViewItem::getFolderViewModel( void )
+{
+ return getRoot()->getFolderViewModel();
+}
+
+bool LLFolderViewItem::isInSelection() const
+{
+ return mIsSelected || (mParentFolder && mParentFolder->isInSelection());
+}
+
+
+
+///----------------------------------------------------------------------------
+/// Class LLFolderViewFolder
+///----------------------------------------------------------------------------
+
+LLFolderViewFolder::LLFolderViewFolder( const LLFolderViewItem::Params& p ):
+ LLFolderViewItem( p ),
+ mIsOpen(false),
+ mExpanderHighlighted(false),
+ mCurHeight(0.f),
+ mTargetHeight(0.f),
+ mAutoOpenCountdown(0.f),
+ mIsFolderComplete(false), // folder might have children that are not loaded yet.
+ mAreChildrenInited(false), // folder might have children that are not built yet.
+ mLastArrangeGeneration( -1 ),
+ mLastCalculatedWidth(0)
+{
+}
+
+void LLFolderViewFolder::updateLabelRotation()
+{
+ if (mAutoOpenCountdown != 0.f)
+ {
+ mControlLabelRotation = mAutoOpenCountdown * -90.f;
+ }
+ else if (isOpen())
+ {
+ mControlLabelRotation = lerp(mControlLabelRotation, -90.f, LLSmoothInterpolation::getInterpolant(0.04f));
+ }
+ else
+ {
+ mControlLabelRotation = lerp(mControlLabelRotation, 0.f, LLSmoothInterpolation::getInterpolant(0.025f));
+ }
+}
+
+// Destroys the object
+LLFolderViewFolder::~LLFolderViewFolder( void )
+{
+ // The LLView base class takes care of object destruction. make sure that we
+ // don't have mouse or keyboard focus
+ gFocusMgr.releaseFocusIfNeeded( this ); // calls onCommit()
+}
+
+// addToFolder() returns true if it succeeds. false otherwise
+void LLFolderViewFolder::addToFolder(LLFolderViewFolder* folder)
+{
+ folder->addFolder(this);
+
+ // Compute indentation since parent folder changed
+ mIndentation = (getParentFolder())
+ ? getParentFolder()->getIndentation() + mLocalIndentation
+ : 0;
+
+ if(isOpen() && folder->isOpen())
+ {
+ requestArrange();
+ }
+}
+
+static LLTrace::BlockTimerStatHandle FTM_ARRANGE("Arrange");
+
+// Make everything right and in the right place ready for drawing (CHUI-849)
+// * Sort everything correctly if necessary
+// * Turn widgets visible/invisible according to their model filtering state
+// * Takes animation state into account for opening/closing of folders (this makes widgets visible/invisible)
+// * Reposition visible widgets so that they line up correctly with no gap
+// * Compute the width and height of the current folder and its children
+// * Makes sure that this view and its children are the right size
+S32 LLFolderViewFolder::arrange( S32* width, S32* height )
+{
+ // Sort before laying out contents
+ // Note that we sort from the root (CHUI-849)
+ if (mAreChildrenInited)
+ {
+ getRoot()->getFolderViewModel()->sort(this);
+ }
+
+ LL_RECORD_BLOCK_TIME(FTM_ARRANGE);
+
+ // evaluate mHasVisibleChildren
+ mHasVisibleChildren = false;
+ if (mAreChildrenInited && getViewModelItem()->descendantsPassedFilter())
+ {
+ // We have to verify that there's at least one child that's not filtered out
+ bool found = false;
+ // Try the items first
+ for (items_t::iterator iit = mItems.begin(); iit != mItems.end(); ++iit)
+ {
+ LLFolderViewItem* itemp = (*iit);
+ found = itemp->isPotentiallyVisible();
+ if (found)
+ break;
+ }
+ if (!found)
+ {
+ // If no item found, try the folders
+ for (folders_t::iterator fit = mFolders.begin(); fit != mFolders.end(); ++fit)
+ {
+ LLFolderViewFolder* folderp = (*fit);
+ found = folderp->isPotentiallyVisible();
+ if (found)
+ break;
+ }
+ }
+
+ mHasVisibleChildren = found;
+ }
+ if (!mIsFolderComplete && mAreChildrenInited)
+ {
+ mIsFolderComplete = getFolderViewModel()->isFolderComplete(this);
+ }
+
+
+
+ // calculate height as a single item (without any children), and reshapes rectangle to match
+ LLFolderViewItem::arrange( width, height );
+
+ // clamp existing animated height so as to never get smaller than a single item
+ mCurHeight = llmax((F32)*height, mCurHeight);
+
+ // initialize running height value as height of single item in case we have no children
+ F32 running_height = (F32)*height;
+ F32 target_height = (F32)*height;
+
+ // are my children visible?
+ if (needsArrange())
+ {
+ // set last arrange generation first, in case children are animating
+ // and need to be arranged again
+ mLastArrangeGeneration = getRoot()->getArrangeGeneration();
+ if (isOpen())
+ {
+ // Add sizes of children
+ S32 parent_item_height = getRect().getHeight();
+
+ for(folders_t::iterator fit = mFolders.begin(); fit != mFolders.end(); ++fit)
+ {
+ LLFolderViewFolder* folderp = (*fit);
+ folderp->setVisible(folderp->isPotentiallyVisible());
+
+ if (folderp->getVisible())
+ {
+ S32 child_width = *width;
+ S32 child_height = 0;
+ S32 child_top = parent_item_height - ll_round(running_height);
+
+ target_height += folderp->arrange( &child_width, &child_height );
+
+ running_height += (F32)child_height;
+ *width = llmax(*width, child_width);
+ folderp->setOrigin( 0, child_top - folderp->getRect().getHeight() );
+ }
+ }
+ for(items_t::iterator iit = mItems.begin();
+ iit != mItems.end(); ++iit)
+ {
+ LLFolderViewItem* itemp = (*iit);
+ itemp->setVisible(itemp->isPotentiallyVisible());
+
+ if (itemp->getVisible())
+ {
+ S32 child_width = *width;
+ S32 child_height = 0;
+ S32 child_top = parent_item_height - ll_round(running_height);
+
+ target_height += itemp->arrange( &child_width, &child_height );
+ // don't change width, as this item is as wide as its parent folder by construction
+ itemp->reshape( itemp->getRect().getWidth(), child_height);
+
+ running_height += (F32)child_height;
+ *width = llmax(*width, child_width);
+ itemp->setOrigin( 0, child_top - itemp->getRect().getHeight() );
+ }
+ }
+ }
+
+ mTargetHeight = target_height;
+ // cache this width so next time we can just return it
+ mLastCalculatedWidth = *width;
+ }
+ else
+ {
+ // just use existing width
+ *width = mLastCalculatedWidth;
+ }
+
+ // animate current height towards target height
+ if (llabs(mCurHeight - mTargetHeight) > 1.f)
+ {
+ mCurHeight = lerp(mCurHeight, mTargetHeight, LLSmoothInterpolation::getInterpolant(isOpen() ? FOLDER_OPEN_TIME_CONSTANT : FOLDER_CLOSE_TIME_CONSTANT));
+
+ requestArrange();
+
+ // hide child elements that fall out of current animated height
+ for (folders_t::iterator iter = mFolders.begin();
+ iter != mFolders.end();)
+ {
+ folders_t::iterator fit = iter++;
+ // number of pixels that bottom of folder label is from top of parent folder
+ if (getRect().getHeight() - (*fit)->getRect().mTop + (*fit)->getItemHeight()
+ > ll_round(mCurHeight) + mMaxFolderItemOverlap)
+ {
+ // hide if beyond current folder height
+ (*fit)->setVisible(false);
+ }
+ }
+
+ for (items_t::iterator iter = mItems.begin();
+ iter != mItems.end();)
+ {
+ items_t::iterator iit = iter++;
+ // number of pixels that bottom of item label is from top of parent folder
+ if (getRect().getHeight() - (*iit)->getRect().mBottom
+ > ll_round(mCurHeight) + mMaxFolderItemOverlap)
+ {
+ (*iit)->setVisible(false);
+ }
+ }
+ }
+ else
+ {
+ mCurHeight = mTargetHeight;
+ }
+
+ // don't change width as this item is already as wide as its parent folder
+ reshape(getRect().getWidth(),ll_round(mCurHeight));
+
+ // pass current height value back to parent
+ *height = ll_round(mCurHeight);
+
+ return ll_round(mTargetHeight);
+}
+
+bool LLFolderViewFolder::needsArrange()
+{
+ return mLastArrangeGeneration < getRoot()->getArrangeGeneration();
+}
+
+bool LLFolderViewFolder::descendantsPassedFilter(S32 filter_generation)
+{
+ return getViewModelItem()->descendantsPassedFilter(filter_generation);
+}
+
+// Passes selection information on to children and record selection
+// information if necessary.
+bool LLFolderViewFolder::setSelection(LLFolderViewItem* selection, bool openitem,
+ bool take_keyboard_focus)
+{
+ bool rv = false;
+ if (selection == this)
+ {
+ if (!isSelected())
+ {
+ selectItem();
+ }
+ rv = true;
+ }
+ else
+ {
+ if (isSelected())
+ {
+ deselectItem();
+ }
+ rv = false;
+ }
+ bool child_selected = false;
+
+ for (folders_t::iterator iter = mFolders.begin();
+ iter != mFolders.end();)
+ {
+ folders_t::iterator fit = iter++;
+ if((*fit)->setSelection(selection, openitem, take_keyboard_focus))
+ {
+ rv = true;
+ child_selected = true;
+ }
+ }
+ for (items_t::iterator iter = mItems.begin();
+ iter != mItems.end();)
+ {
+ items_t::iterator iit = iter++;
+ if((*iit)->setSelection(selection, openitem, take_keyboard_focus))
+ {
+ rv = true;
+ child_selected = true;
+ }
+ }
+ if(openitem && child_selected && !mSingleFolderMode)
+ {
+ setOpenArrangeRecursively(true);
+ }
+ return rv;
+}
+
+// This method is used to change the selection of an item.
+// Recursively traverse all children; if 'selection' is 'this' then change
+// the select status if necessary.
+// Returns true if the selection state of this folder, or of a child, was changed.
+bool LLFolderViewFolder::changeSelection(LLFolderViewItem* selection, bool selected)
+{
+ bool rv = false;
+ if(selection == this)
+ {
+ if (isSelected() != selected)
+ {
+ rv = true;
+ if (selected)
+ {
+ selectItem();
+ }
+ else
+ {
+ deselectItem();
+ }
+ }
+ }
+
+ for (folders_t::iterator iter = mFolders.begin();
+ iter != mFolders.end();)
+ {
+ folders_t::iterator fit = iter++;
+ if((*fit)->changeSelection(selection, selected))
+ {
+ rv = true;
+ }
+ }
+ for (items_t::iterator iter = mItems.begin();
+ iter != mItems.end();)
+ {
+ items_t::iterator iit = iter++;
+ if((*iit)->changeSelection(selection, selected))
+ {
+ rv = true;
+ }
+ }
+ return rv;
+}
+
+LLFolderViewFolder* LLFolderViewFolder::getCommonAncestor(LLFolderViewItem* item_a, LLFolderViewItem* item_b, bool& reverse)
+{
+ if (!item_a->getParentFolder() || !item_b->getParentFolder()) return NULL;
+
+ std::deque<LLFolderViewFolder*> item_a_ancestors;
+
+ LLFolderViewFolder* parent = item_a->getParentFolder();
+ while(parent)
+ {
+ item_a_ancestors.push_back(parent);
+ parent = parent->getParentFolder();
+ }
+
+ std::deque<LLFolderViewFolder*> item_b_ancestors;
+
+ parent = item_b->getParentFolder();
+ while(parent)
+ {
+ item_b_ancestors.push_back(parent);
+ parent = parent->getParentFolder();
+ }
+
+ LLFolderViewFolder* common_ancestor = item_a->getRoot();
+
+ while(item_a_ancestors.size() > item_b_ancestors.size())
+ {
+ item_a = item_a_ancestors.front();
+ item_a_ancestors.pop_front();
+ }
+
+ while(item_b_ancestors.size() > item_a_ancestors.size())
+ {
+ item_b = item_b_ancestors.front();
+ item_b_ancestors.pop_front();
+ }
+
+ while(item_a_ancestors.size())
+ {
+ common_ancestor = item_a_ancestors.front();
+
+ if (item_a_ancestors.front() == item_b_ancestors.front())
+ {
+ // which came first, sibling a or sibling b?
+ for (folders_t::iterator it = common_ancestor->mFolders.begin(), end_it = common_ancestor->mFolders.end();
+ it != end_it;
+ ++it)
+ {
+ LLFolderViewItem* item = *it;
+
+ if (item == item_a)
+ {
+ reverse = false;
+ return common_ancestor;
+ }
+ if (item == item_b)
+ {
+ reverse = true;
+ return common_ancestor;
+ }
+ }
+
+ for (items_t::iterator it = common_ancestor->mItems.begin(), end_it = common_ancestor->mItems.end();
+ it != end_it;
+ ++it)
+ {
+ LLFolderViewItem* item = *it;
+
+ if (item == item_a)
+ {
+ reverse = false;
+ return common_ancestor;
+ }
+ if (item == item_b)
+ {
+ reverse = true;
+ return common_ancestor;
+ }
+ }
+ break;
+ }
+
+ item_a = item_a_ancestors.front();
+ item_a_ancestors.pop_front();
+ item_b = item_b_ancestors.front();
+ item_b_ancestors.pop_front();
+ }
+
+ return NULL;
+}
+
+void LLFolderViewFolder::gatherChildRangeExclusive(LLFolderViewItem* start, LLFolderViewItem* end, bool reverse, std::vector<LLFolderViewItem*>& items)
+{
+ bool selecting = start == NULL;
+ if (reverse)
+ {
+ for (items_t::reverse_iterator it = mItems.rbegin(), end_it = mItems.rend();
+ it != end_it;
+ ++it)
+ {
+ if (*it == end)
+ {
+ return;
+ }
+ if (selecting && (*it)->getVisible())
+ {
+ items.push_back(*it);
+ }
+
+ if (*it == start)
+ {
+ selecting = true;
+ }
+ }
+ for (folders_t::reverse_iterator it = mFolders.rbegin(), end_it = mFolders.rend();
+ it != end_it;
+ ++it)
+ {
+ if (*it == end)
+ {
+ return;
+ }
+
+ if (selecting && (*it)->getVisible())
+ {
+ items.push_back(*it);
+ }
+
+ if (*it == start)
+ {
+ selecting = true;
+ }
+ }
+ }
+ else
+ {
+ for (folders_t::iterator it = mFolders.begin(), end_it = mFolders.end();
+ it != end_it;
+ ++it)
+ {
+ if (*it == end)
+ {
+ return;
+ }
+
+ if (selecting && (*it)->getVisible())
+ {
+ items.push_back(*it);
+ }
+
+ if (*it == start)
+ {
+ selecting = true;
+ }
+ }
+ for (items_t::iterator it = mItems.begin(), end_it = mItems.end();
+ it != end_it;
+ ++it)
+ {
+ if (*it == end)
+ {
+ return;
+ }
+
+ if (selecting && (*it)->getVisible())
+ {
+ items.push_back(*it);
+ }
+
+ if (*it == start)
+ {
+ selecting = true;
+ }
+ }
+ }
+}
+
+void LLFolderViewFolder::extendSelectionTo(LLFolderViewItem* new_selection)
+{
+ if (!getRoot()->getAllowMultiSelect())
+ return;
+
+ LLFolderViewItem* cur_selected_item = getRoot()->getCurSelectedItem();
+ if (cur_selected_item == NULL)
+ {
+ cur_selected_item = new_selection;
+ }
+
+
+ bool reverse = false;
+ LLFolderViewFolder* common_ancestor = getCommonAncestor(cur_selected_item, new_selection, reverse);
+ if (!common_ancestor)
+ return;
+
+ LLFolderViewItem* last_selected_item_from_cur = cur_selected_item;
+ LLFolderViewFolder* cur_folder = cur_selected_item->getParentFolder();
+
+ std::vector<LLFolderViewItem*> items_to_select_forward;
+
+ while (cur_folder != common_ancestor)
+ {
+ cur_folder->gatherChildRangeExclusive(last_selected_item_from_cur, NULL, reverse, items_to_select_forward);
+
+ last_selected_item_from_cur = cur_folder;
+ cur_folder = cur_folder->getParentFolder();
+ }
+
+ std::vector<LLFolderViewItem*> items_to_select_reverse;
+
+ LLFolderViewItem* last_selected_item_from_new = new_selection;
+ cur_folder = new_selection->getParentFolder();
+ while (cur_folder != common_ancestor)
+ {
+ cur_folder->gatherChildRangeExclusive(last_selected_item_from_new, NULL, !reverse, items_to_select_reverse);
+
+ last_selected_item_from_new = cur_folder;
+ cur_folder = cur_folder->getParentFolder();
+ }
+
+ common_ancestor->gatherChildRangeExclusive(last_selected_item_from_cur, last_selected_item_from_new, reverse, items_to_select_forward);
+
+ for (std::vector<LLFolderViewItem*>::reverse_iterator it = items_to_select_reverse.rbegin(), end_it = items_to_select_reverse.rend();
+ it != end_it;
+ ++it)
+ {
+ items_to_select_forward.push_back(*it);
+ }
+
+ LLFolderView* root = getRoot();
+
+ bool selection_reverse = new_selection->isSelected(); //indication that some elements are being deselected
+
+ // array always go from 'will be selected' to ' will be unselected', iterate
+ // in opposite direction to simplify identification of 'point of origin' in
+ // case it is in the list we are working with
+ for (std::vector<LLFolderViewItem*>::reverse_iterator it = items_to_select_forward.rbegin(), end_it = items_to_select_forward.rend();
+ it != end_it;
+ ++it)
+ {
+ LLFolderViewItem* item = *it;
+ bool selected = item->isSelected();
+ if (!selection_reverse && selected)
+ {
+ // it is our 'point of origin' where we shift/expand from
+ // don't deselect it
+ selection_reverse = true;
+ }
+ else
+ {
+ root->changeSelection(item, !selected);
+ }
+ }
+
+ if (selection_reverse)
+ {
+ // at some point we reversed selection, first element should be deselected
+ root->changeSelection(last_selected_item_from_cur, false);
+ }
+
+ // element we expand to should always be selected
+ root->changeSelection(new_selection, true);
+}
+
+
+void LLFolderViewFolder::destroyView()
+{
+ while (!mItems.empty())
+ {
+ LLFolderViewItem *itemp = mItems.back();
+ mItems.pop_back();
+ itemp->destroyView(); // LLFolderViewItem::destroyView() removes entry from mItems
+ }
+
+ while (!mFolders.empty())
+ {
+ LLFolderViewFolder *folderp = mFolders.back();
+ mFolders.pop_back();
+ folderp->destroyView(); // LLFolderVievFolder::destroyView() removes entry from mFolders
+ }
+
+ LLFolderViewItem::destroyView();
+}
+
+// extractItem() removes the specified item from the folder, but
+// doesn't delete it.
+void LLFolderViewFolder::extractItem( LLFolderViewItem* item, bool deparent_model )
+{
+ if (item->isSelected())
+ getRoot()->clearSelection();
+ items_t::iterator it = std::find(mItems.begin(), mItems.end(), item);
+ if(it == mItems.end())
+ {
+ // This is an evil downcast. However, it's only doing
+ // pointer comparison to find if (which it should be ) the
+ // item is in the container, so it's pretty safe.
+ LLFolderViewFolder* f = static_cast<LLFolderViewFolder*>(item);
+ folders_t::iterator ft;
+ ft = std::find(mFolders.begin(), mFolders.end(), f);
+ if (ft != mFolders.end())
+ {
+ mFolders.erase(ft);
+ }
+ }
+ else
+ {
+ mItems.erase(it);
+ }
+ //item has been removed, need to update filter
+ if (deparent_model)
+ {
+ // in some cases model does not belong to parent view, is shared between views
+ getViewModelItem()->removeChild(item->getViewModelItem());
+ }
+ //because an item is going away regardless of filter status, force rearrange
+ requestArrange();
+ removeChild(item);
+}
+
+bool LLFolderViewFolder::isMovable()
+{
+ if( !(getViewModelItem()->isItemMovable()) )
+ {
+ return false;
+ }
+
+ for (items_t::iterator iter = mItems.begin();
+ iter != mItems.end();)
+ {
+ items_t::iterator iit = iter++;
+ if(!(*iit)->isMovable())
+ {
+ return false;
+ }
+ }
+
+ for (folders_t::iterator iter = mFolders.begin();
+ iter != mFolders.end();)
+ {
+ folders_t::iterator fit = iter++;
+ if(!(*fit)->isMovable())
+ {
+ return false;
+ }
+ }
+ return true;
+}
+
+
+bool LLFolderViewFolder::isRemovable()
+{
+ if( !(getViewModelItem()->isItemRemovable()) )
+ {
+ return false;
+ }
+
+ for (items_t::iterator iter = mItems.begin();
+ iter != mItems.end();)
+ {
+ items_t::iterator iit = iter++;
+ if(!(*iit)->isRemovable())
+ {
+ return false;
+ }
+ }
+
+ for (folders_t::iterator iter = mFolders.begin();
+ iter != mFolders.end();)
+ {
+ folders_t::iterator fit = iter++;
+ if(!(*fit)->isRemovable())
+ {
+ return false;
+ }
+ }
+ return true;
+}
+
+void LLFolderViewFolder::destroyRoot()
+{
+ delete this;
+}
+
+// this is an internal method used for adding items to folders.
+void LLFolderViewFolder::addItem(LLFolderViewItem* item)
+{
+ if (item->getParentFolder())
+ {
+ item->getParentFolder()->extractItem(item);
+ }
+ item->setParentFolder(this);
+
+ mItems.push_back(item);
+
+ item->setRect(LLRect(0, 0, getRect().getWidth(), 0));
+ item->setVisible(false);
+
+ addChild(item);
+
+ // When the model is already hooked into a hierarchy (i.e. has a parent), do not reparent it
+ // Note: this happens when models are created before views or shared between views
+ if (!item->getViewModelItem()->hasParent())
+ {
+ getViewModelItem()->addChild(item->getViewModelItem());
+ }
+}
+
+// this is an internal method used for adding items to folders.
+void LLFolderViewFolder::addFolder(LLFolderViewFolder* folder)
+{
+ if (folder->mParentFolder)
+ {
+ folder->mParentFolder->extractItem(folder);
+ }
+ folder->mParentFolder = this;
+ mFolders.push_back(folder);
+ folder->setOrigin(0, 0);
+ folder->reshape(getRect().getWidth(), 0);
+ folder->setVisible(false);
+ // rearrange all descendants too, as our indentation level might have changed
+ //folder->requestArrange();
+ //requestSort();
+
+ addChild(folder);
+
+ // When the model is already hooked into a hierarchy (i.e. has a parent), do not reparent it
+ // Note: this happens when models are created before views or shared between views
+ if (!folder->getViewModelItem()->hasParent())
+ {
+ getViewModelItem()->addChild(folder->getViewModelItem());
+ }
+}
+
+void LLFolderViewFolder::requestArrange()
+{
+ mLastArrangeGeneration = -1;
+ // flag all items up to root
+ if (mParentFolder)
+ {
+ mParentFolder->requestArrange();
+ }
+}
+
+void LLFolderViewFolder::toggleOpen()
+{
+ setOpen(!isOpen());
+}
+
+// Force a folder open or closed
+void LLFolderViewFolder::setOpen(bool openitem)
+{
+ if(mSingleFolderMode)
+ {
+ // navigateToFolder can destroy this view
+ // delay it in case setOpen was called from click or key processing
+ doOnIdleOneTime([this]()
+ {
+ getViewModelItem()->navigateToFolder();
+ });
+ }
+ else
+ {
+ setOpenArrangeRecursively(openitem);
+ }
+}
+
+void LLFolderViewFolder::setOpenArrangeRecursively(bool openitem, ERecurseType recurse)
+{
+ bool was_open = isOpen();
+ mIsOpen = openitem;
+ if(!was_open && openitem)
+ {
+ getViewModelItem()->openItem();
+ // openItem() will request content, it won't be incomplete
+ mIsFolderComplete = true;
+ }
+ else if(was_open && !openitem)
+ {
+ getViewModelItem()->closeItem();
+ }
+
+ if (recurse == RECURSE_DOWN || recurse == RECURSE_UP_DOWN)
+ {
+ for (folders_t::iterator iter = mFolders.begin();
+ iter != mFolders.end();)
+ {
+ folders_t::iterator fit = iter++;
+ (*fit)->setOpenArrangeRecursively(openitem, RECURSE_DOWN); /* Flawfinder: ignore */
+ }
+ }
+ if (mParentFolder
+ && (recurse == RECURSE_UP
+ || recurse == RECURSE_UP_DOWN))
+ {
+ mParentFolder->setOpenArrangeRecursively(openitem, RECURSE_UP);
+ }
+
+ if (was_open != isOpen())
+ {
+ requestArrange();
+ }
+}
+
+bool LLFolderViewFolder::handleDragAndDropFromChild(MASK mask,
+ bool drop,
+ EDragAndDropType c_type,
+ void* cargo_data,
+ EAcceptance* accept,
+ std::string& tooltip_msg)
+{
+ bool accepted = mViewModelItem->dragOrDrop(mask,drop,c_type,cargo_data, tooltip_msg);
+ if (accepted)
+ {
+ mDragAndDropTarget = true;
+ *accept = ACCEPT_YES_MULTI;
+ }
+ else
+ {
+ *accept = ACCEPT_NO;
+ }
+
+ // drag and drop to child item, so clear pending auto-opens
+ getRoot()->autoOpenTest(NULL);
+
+ return true;
+}
+
+void LLFolderViewFolder::openItem( void )
+{
+ toggleOpen();
+}
+
+void LLFolderViewFolder::applyFunctorToChildren(LLFolderViewFunctor& functor)
+{
+ for (folders_t::iterator iter = mFolders.begin();
+ iter != mFolders.end();)
+ {
+ folders_t::iterator fit = iter++;
+ functor.doItem((*fit));
+ }
+ for (items_t::iterator iter = mItems.begin();
+ iter != mItems.end();)
+ {
+ items_t::iterator iit = iter++;
+ functor.doItem((*iit));
+ }
+}
+
+void LLFolderViewFolder::applyFunctorRecursively(LLFolderViewFunctor& functor)
+{
+ functor.doFolder(this);
+
+ for (folders_t::iterator iter = mFolders.begin();
+ iter != mFolders.end();)
+ {
+ folders_t::iterator fit = iter++;
+ (*fit)->applyFunctorRecursively(functor);
+ }
+ for (items_t::iterator iter = mItems.begin();
+ iter != mItems.end();)
+ {
+ items_t::iterator iit = iter++;
+ functor.doItem((*iit));
+ }
+}
+
+// LLView functionality
+bool LLFolderViewFolder::handleDragAndDrop(S32 x, S32 y, MASK mask,
+ bool drop,
+ EDragAndDropType cargo_type,
+ void* cargo_data,
+ EAcceptance* accept,
+ std::string& tooltip_msg)
+{
+ bool handled = false;
+
+ if (isOpen())
+ {
+ handled = (childrenHandleDragAndDrop(x, y, mask, drop, cargo_type, cargo_data, accept, tooltip_msg) != NULL);
+ }
+
+ if (!handled)
+ {
+ handleDragAndDropToThisFolder(mask, drop, cargo_type, cargo_data, accept, tooltip_msg);
+
+ LL_DEBUGS("UserInput") << "dragAndDrop handled by LLFolderViewFolder" << LL_ENDL;
+ }
+
+ return true;
+}
+
+bool LLFolderViewFolder::handleDragAndDropToThisFolder(MASK mask,
+ bool drop,
+ EDragAndDropType cargo_type,
+ void* cargo_data,
+ EAcceptance* accept,
+ std::string& tooltip_msg)
+{
+ if (!mAllowDrop)
+ {
+ *accept = ACCEPT_NO;
+ tooltip_msg = LLTrans::getString("TooltipOutboxCannotDropOnRoot");
+ return true;
+ }
+
+ bool accepted = getViewModelItem()->dragOrDrop(mask,drop,cargo_type,cargo_data, tooltip_msg);
+
+ if (accepted)
+ {
+ mDragAndDropTarget = true;
+ *accept = ACCEPT_YES_MULTI;
+ }
+ else
+ {
+ *accept = ACCEPT_NO;
+ }
+
+ if (!drop && accepted)
+ {
+ getRoot()->autoOpenTest(this);
+ }
+
+ return true;
+}
+
+
+bool LLFolderViewFolder::handleRightMouseDown( S32 x, S32 y, MASK mask )
+{
+ bool handled = false;
+
+ if( isOpen() )
+ {
+ handled = childrenHandleRightMouseDown( x, y, mask ) != NULL;
+ }
+ if (!handled)
+ {
+ handled = LLFolderViewItem::handleRightMouseDown( x, y, mask );
+ }
+ return handled;
+}
+
+
+bool LLFolderViewFolder::handleHover(S32 x, S32 y, MASK mask)
+{
+ mIsMouseOverTitle = (y > (getRect().getHeight() - mItemHeight));
+
+ bool handled = LLView::handleHover(x, y, mask);
+
+ if (!handled)
+ {
+ // this doesn't do child processing
+ handled = LLFolderViewItem::handleHover(x, y, mask);
+ }
+
+ return handled;
+}
+
+bool LLFolderViewFolder::handleMouseDown( S32 x, S32 y, MASK mask )
+{
+ bool handled = false;
+ if( isOpen() )
+ {
+ handled = childrenHandleMouseDown(x,y,mask) != NULL;
+ }
+ if( !handled )
+ {
+ if((mIndentation < x && x < mIndentation + (isCollapsed() ? 0 : mArrowSize) + mTextPad)
+ && !mSingleFolderMode)
+ {
+ toggleOpen();
+ handled = true;
+ }
+ else
+ {
+ // do normal selection logic
+ handled = LLFolderViewItem::handleMouseDown(x, y, mask);
+ }
+ }
+
+ return handled;
+}
+
+bool LLFolderViewFolder::handleDoubleClick( S32 x, S32 y, MASK mask )
+{
+ bool handled = false;
+ if(mSingleFolderMode)
+ {
+ static LLUICachedControl<bool> double_click_new_window("SingleModeDoubleClickOpenWindow", false);
+ if (double_click_new_window)
+ {
+ getViewModelItem()->navigateToFolder(true);
+ }
+ else
+ {
+ // navigating is going to destroy views and change children
+ // delay it untill handleDoubleClick processing is complete
+ doOnIdleOneTime([this]()
+ {
+ getViewModelItem()->navigateToFolder(false);
+ });
+ }
+ return true;
+ }
+
+ if( isOpen() )
+ {
+ handled = childrenHandleDoubleClick( x, y, mask ) != NULL;
+ }
+ if( !handled )
+ {
+ if(mDoubleClickOverride)
+ {
+ static LLUICachedControl<U32> double_click_action("MultiModeDoubleClickFolder", false);
+ if (double_click_action == 1)
+ {
+ getViewModelItem()->navigateToFolder(true);
+ return true;
+ }
+ if (double_click_action == 2)
+ {
+ getViewModelItem()->navigateToFolder(false, true);
+ return true;
+ }
+ }
+ if(mIndentation < x && x < mIndentation + (isCollapsed() ? 0 : mArrowSize) + mTextPad)
+ {
+ // don't select when user double-clicks plus sign
+ // so as not to contradict single-click behavior
+ toggleOpen();
+ }
+ else
+ {
+ getRoot()->setSelection(this, false);
+ toggleOpen();
+ }
+ handled = true;
+ }
+ return handled;
+}
+
+void LLFolderViewFolder::draw()
+{
+ updateLabelRotation();
+
+ LLFolderViewItem::draw();
+
+ // draw children if root folder, or any other folder that is open or animating to closed state
+ if( getRoot() == this || (isOpen() || mCurHeight != mTargetHeight ))
+ {
+ LLView::draw();
+ }
+
+ mExpanderHighlighted = false;
+}
+
+// this does prefix traversal, as folders are listed above their contents
+LLFolderViewItem* LLFolderViewFolder::getNextFromChild( LLFolderViewItem* item, bool include_children )
+{
+ bool found_item = false;
+
+ LLFolderViewItem* result = NULL;
+ // when not starting from a given item, start at beginning
+ if(item == NULL)
+ {
+ found_item = true;
+ }
+
+ // find current item among children
+ folders_t::iterator fit = mFolders.begin();
+ folders_t::iterator fend = mFolders.end();
+
+ items_t::iterator iit = mItems.begin();
+ items_t::iterator iend = mItems.end();
+
+ // if not trivially starting at the beginning, we have to find the current item
+ if (!found_item)
+ {
+ // first, look among folders, since they are always above items
+ for(; fit != fend; ++fit)
+ {
+ if(item == (*fit))
+ {
+ found_item = true;
+ // if we are on downwards traversal
+ if (include_children && (*fit)->isOpen())
+ {
+ // look for first descendant
+ return (*fit)->getNextFromChild(NULL, true);
+ }
+ // otherwise advance to next folder
+ ++fit;
+ include_children = true;
+ break;
+ }
+ }
+
+ // didn't find in folders? Check items...
+ if (!found_item)
+ {
+ for(; iit != iend; ++iit)
+ {
+ if(item == (*iit))
+ {
+ found_item = true;
+ // point to next item
+ ++iit;
+ break;
+ }
+ }
+ }
+ }
+
+ if (!found_item)
+ {
+ // you should never call this method with an item that isn't a child
+ // so we should always find something
+ llassert(false);
+ return NULL;
+ }
+
+ // at this point, either iit or fit point to a candidate "next" item
+ // if both are out of range, we need to punt up to our parent
+
+ // now, starting from found folder, continue through folders
+ // searching for next visible folder
+ while(fit != fend && !(*fit)->getVisible())
+ {
+ // turn on downwards traversal for next folder
+ ++fit;
+ }
+
+ if (fit != fend)
+ {
+ result = (*fit);
+ }
+ else
+ {
+ // otherwise, scan for next visible item
+ while(iit != iend && !(*iit)->getVisible())
+ {
+ ++iit;
+ }
+
+ // check to see if we have a valid item
+ if (iit != iend)
+ {
+ result = (*iit);
+ }
+ }
+
+ if( !result && mParentFolder )
+ {
+ // If there are no siblings or children to go to, recurse up one level in the tree
+ // and skip children for this folder, as we've already discounted them
+ result = mParentFolder->getNextFromChild(this, false);
+ }
+
+ return result;
+}
+
+// this does postfix traversal, as folders are listed above their contents
+LLFolderViewItem* LLFolderViewFolder::getPreviousFromChild( LLFolderViewItem* item, bool include_children )
+{
+ bool found_item = false;
+
+ LLFolderViewItem* result = NULL;
+ // when not starting from a given item, start at end
+ if(item == NULL)
+ {
+ found_item = true;
+ }
+
+ // find current item among children
+ folders_t::reverse_iterator fit = mFolders.rbegin();
+ folders_t::reverse_iterator fend = mFolders.rend();
+
+ items_t::reverse_iterator iit = mItems.rbegin();
+ items_t::reverse_iterator iend = mItems.rend();
+
+ // if not trivially starting at the end, we have to find the current item
+ if (!found_item)
+ {
+ // first, look among items, since they are always below the folders
+ for(; iit != iend; ++iit)
+ {
+ if(item == (*iit))
+ {
+ found_item = true;
+ // point to next item
+ ++iit;
+ break;
+ }
+ }
+
+ // didn't find in items? Check folders...
+ if (!found_item)
+ {
+ for(; fit != fend; ++fit)
+ {
+ if(item == (*fit))
+ {
+ found_item = true;
+ // point to next folder
+ ++fit;
+ break;
+ }
+ }
+ }
+ }
+
+ if (!found_item)
+ {
+ // you should never call this method with an item that isn't a child
+ // so we should always find something
+ llassert(false);
+ return NULL;
+ }
+
+ // at this point, either iit or fit point to a candidate "next" item
+ // if both are out of range, we need to punt up to our parent
+
+ // now, starting from found item, continue through items
+ // searching for next visible item
+ while(iit != iend && !(*iit)->getVisible())
+ {
+ ++iit;
+ }
+
+ if (iit != iend)
+ {
+ // we found an appropriate item
+ result = (*iit);
+ }
+ else
+ {
+ // otherwise, scan for next visible folder
+ while(fit != fend && !(*fit)->getVisible())
+ {
+ ++fit;
+ }
+
+ // check to see if we have a valid folder
+ if (fit != fend)
+ {
+ // try selecting child element of this folder
+ if ((*fit)->isOpen() && include_children)
+ {
+ result = (*fit)->getPreviousFromChild(NULL);
+ }
+ else
+ {
+ result = (*fit);
+ }
+ }
+ }
+
+ if( !result )
+ {
+ // If there are no siblings or children to go to, recurse up one level in the tree
+ // which gets back to this folder, which will only be visited if it is a valid, visible item
+ result = this;
+ }
+
+ return result;
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 06:23:23 +0000