120 lines
3.0 KiB
C++
120 lines
3.0 KiB
C++
/**
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* @file lllistcontextmenu.cpp
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* @brief Base class of misc lists' context menus
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*
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* $LicenseInfo:firstyear=2010&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#include "llviewerprecompiledheaders.h"
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#include "lllistcontextmenu.h"
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// libs
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#include "llmenugl.h" // for LLContextMenu
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// newview
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#include "llviewermenu.h" // for LLViewerMenuHolderGL
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LLListContextMenu::LLListContextMenu()
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: mMenu(NULL)
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{
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}
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LLListContextMenu::~LLListContextMenu()
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{
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// do not forget delete LLContextMenu* mMenu.
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// It can have registered Enable callbacks which are called from the LLMenuHolderGL::draw()
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// via selected item (menu_item_call) by calling LLMenuItemCallGL::buildDrawLabel.
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// we can have a crash via using callbacks of deleted instance of ContextMenu. EXT-4725
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// menu holder deletes its menus on viewer exit, so we have no way to determine if instance
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// of mMenu has already been deleted except of using LLHandle. EXT-4762.
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if (!mMenuHandle.isDead())
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{
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mMenu->die();
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mMenu = NULL;
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}
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}
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void LLListContextMenu::show(LLView* spawning_view, const uuid_vec_t& uuids, S32 x, S32 y)
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{
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if (mMenu)
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{
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//preventing parent (menu holder) from deleting already "dead" context menus on exit
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LLView* parent = mMenu->getParent();
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if (parent)
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{
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parent->removeChild(mMenu);
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}
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delete mMenu;
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mMenu = NULL;
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mUUIDs.clear();
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}
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if ( uuids.empty() )
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{
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return;
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}
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mUUIDs.resize(uuids.size());
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std::copy(uuids.begin(), uuids.end(), mUUIDs.begin());
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mMenu = createMenu();
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if (!mMenu)
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{
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llwarns << "Context menu creation failed" << llendl;
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return;
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}
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mMenuHandle = mMenu->getHandle();
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mMenu->show(x, y);
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LLMenuGL::showPopup(spawning_view, mMenu, x, y);
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}
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void LLListContextMenu::hide()
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{
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if(mMenu)
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{
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mMenu->hide();
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}
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}
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// static
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void LLListContextMenu::handleMultiple(functor_t functor, const uuid_vec_t& ids)
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{
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uuid_vec_t::const_iterator it;
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for (it = ids.begin(); it != ids.end(); ++it)
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{
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functor(*it);
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}
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}
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// static
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LLContextMenu* LLListContextMenu::createFromFile(const std::string& filename)
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{
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return LLUICtrlFactory::getInstance()->createFromFile<LLContextMenu>(
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filename, LLContextMenu::sMenuContainer, LLViewerMenuHolderGL::child_registry_t::instance());
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}
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// EOF
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