phoenix-firestorm/indra/newview/lllistcontextmenu.cpp

126 lines
3.3 KiB
C++

/**
* @file lllistcontextmenu.cpp
* @brief Base class of misc lists' context menus
*
* $LicenseInfo:firstyear=2010&license=viewergpl$
*
* Copyright (c) 2010, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "lllistcontextmenu.h"
// libs
#include "llmenugl.h" // for LLContextMenu
// newview
#include "llviewermenu.h" // for LLViewerMenuHolderGL
LLListContextMenu::LLListContextMenu()
: mMenu(NULL)
{
}
LLListContextMenu::~LLListContextMenu()
{
// do not forget delete LLContextMenu* mMenu.
// It can have registered Enable callbacks which are called from the LLMenuHolderGL::draw()
// via selected item (menu_item_call) by calling LLMenuItemCallGL::buildDrawLabel.
// we can have a crash via using callbacks of deleted instance of ContextMenu. EXT-4725
// menu holder deletes its menus on viewer exit, so we have no way to determine if instance
// of mMenu has already been deleted except of using LLHandle. EXT-4762.
if (!mMenuHandle.isDead())
{
mMenu->die();
mMenu = NULL;
}
}
void LLListContextMenu::show(LLView* spawning_view, const uuid_vec_t& uuids, S32 x, S32 y)
{
if (mMenu)
{
//preventing parent (menu holder) from deleting already "dead" context menus on exit
LLView* parent = mMenu->getParent();
if (parent)
{
parent->removeChild(mMenu);
}
delete mMenu;
mMenu = NULL;
mUUIDs.clear();
}
if ( uuids.empty() )
{
return;
}
mUUIDs.resize(uuids.size());
std::copy(uuids.begin(), uuids.end(), mUUIDs.begin());
mMenu = createMenu();
if (!mMenu)
{
llwarns << "Context menu creation failed" << llendl;
return;
}
mMenuHandle = mMenu->getHandle();
mMenu->show(x, y);
LLMenuGL::showPopup(spawning_view, mMenu, x, y);
}
void LLListContextMenu::hide()
{
if(mMenu)
{
mMenu->hide();
}
}
// static
void LLListContextMenu::handleMultiple(functor_t functor, const uuid_vec_t& ids)
{
uuid_vec_t::const_iterator it;
for (it = ids.begin(); it != ids.end(); ++it)
{
functor(*it);
}
}
// static
LLContextMenu* LLListContextMenu::createFromFile(const std::string& filename)
{
return LLUICtrlFactory::getInstance()->createFromFile<LLContextMenu>(
filename, LLContextMenu::sMenuContainer, LLViewerMenuHolderGL::child_registry_t::instance());
}
// EOF