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/**
* @file llpopupview.cpp
* @brief Holds transient popups
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2010, 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 "llpopupview.h"
static LLRegisterPanelClassWrapper<LLPopupView> r("popup_holder");
bool view_visible_and_enabled(LLView* viewp)
{
return viewp->getVisible() && viewp->getEnabled();
}
bool view_visible(LLView* viewp)
{
return viewp->getVisible();
}
LLPopupView::LLPopupView()
{
// register ourself as handler of UI popups
LLUI::setPopupFuncs(boost::bind(&LLPopupView::addPopup, this, _1), boost::bind(&LLPopupView::removePopup, this, _1), boost::bind(&LLPopupView::clearPopups, this));
}
LLPopupView::~LLPopupView()
{
// set empty callback function so we can't handle popups anymore
LLUI::setPopupFuncs(LLUI::add_popup_t(), LLUI::remove_popup_t(), LLUI::clear_popups_t());
}
void LLPopupView::draw()
{
S32 screen_x, screen_y;
// remove dead popups
for (popup_list_t::iterator popup_it = mPopups.begin();
popup_it != mPopups.end();)
{
if (!popup_it->get())
{
mPopups.erase(popup_it++);
}
else
{
popup_it++;
}
}
// draw in reverse order (most recent is on top)
for (popup_list_t::reverse_iterator popup_it = mPopups.rbegin();
popup_it != mPopups.rend();)
{
LLView* popup = popup_it->get();
if (popup->getVisible())
{
popup->localPointToScreen(0, 0, &screen_x, &screen_y);
LLUI::pushMatrix();
{
LLUI::translate( (F32) screen_x, (F32) screen_y, 0.f);
popup->draw();
}
LLUI::popMatrix();
}
++popup_it;
}
LLPanel::draw();
}
BOOL LLPopupView::handleMouseEvent(boost::function<BOOL(LLView*, S32, S32)> func,
boost::function<bool(LLView*)> predicate,
S32 x, S32 y,
bool close_popups)
{
BOOL handled = FALSE;
// make a copy of list of popups, in case list is modified during mouse event handling
popup_list_t popups(mPopups);
for (popup_list_t::iterator popup_it = popups.begin(), popup_end = popups.end();
popup_it != popup_end;
++popup_it)
{
LLView* popup = popup_it->get();
if (!popup
|| !predicate(popup))
{
++popup_it;
continue;
}
S32 popup_x, popup_y;
if (localPointToOtherView(x, y, &popup_x, &popup_y, popup)
&& popup->pointInView(popup_x, popup_y))
{
if (func(popup, popup_x, popup_y))
{
handled = TRUE;
break;
}
}
if (close_popups)
{
mPopups.remove(*popup_it);
popup->onTopLost();
}
}
return handled;
}
BOOL LLPopupView::handleMouseDown(S32 x, S32 y, MASK mask)
{
if (!handleMouseEvent(boost::bind(&LLMouseHandler::handleMouseDown, _1, _2, _3, mask), view_visible_and_enabled, x, y, true))
{
return FALSE;
}
return TRUE;
}
BOOL LLPopupView::handleMouseUp(S32 x, S32 y, MASK mask)
{
return handleMouseEvent(boost::bind(&LLMouseHandler::handleMouseUp, _1, _2, _3, mask), view_visible_and_enabled, x, y, false);
}
BOOL LLPopupView::handleMiddleMouseDown(S32 x, S32 y, MASK mask)
{
if (!handleMouseEvent(boost::bind(&LLMouseHandler::handleMiddleMouseDown, _1, _2, _3, mask), view_visible_and_enabled, x, y, true))
{
return FALSE;
}
return TRUE;
}
BOOL LLPopupView::handleMiddleMouseUp(S32 x, S32 y, MASK mask)
{
return handleMouseEvent(boost::bind(&LLMouseHandler::handleMiddleMouseUp, _1, _2, _3, mask), view_visible_and_enabled, x, y, false);
}
BOOL LLPopupView::handleRightMouseDown(S32 x, S32 y, MASK mask)
{
if (!handleMouseEvent(boost::bind(&LLMouseHandler::handleRightMouseDown, _1, _2, _3, mask), view_visible_and_enabled, x, y, true))
{
return FALSE;
}
return TRUE;
}
BOOL LLPopupView::handleRightMouseUp(S32 x, S32 y, MASK mask)
{
return handleMouseEvent(boost::bind(&LLMouseHandler::handleRightMouseUp, _1, _2, _3, mask), view_visible_and_enabled, x, y, false);
}
BOOL LLPopupView::handleDoubleClick(S32 x, S32 y, MASK mask)
{
return handleMouseEvent(boost::bind(&LLMouseHandler::handleDoubleClick, _1, _2, _3, mask), view_visible_and_enabled, x, y, false);
}
BOOL LLPopupView::handleHover(S32 x, S32 y, MASK mask)
{
return handleMouseEvent(boost::bind(&LLMouseHandler::handleHover, _1, _2, _3, mask), view_visible_and_enabled, x, y, false);
}
BOOL LLPopupView::handleScrollWheel(S32 x, S32 y, S32 clicks)
{
return handleMouseEvent(boost::bind(&LLMouseHandler::handleScrollWheel, _1, _2, _3, clicks), view_visible_and_enabled, x, y, false);
}
BOOL LLPopupView::handleToolTip(S32 x, S32 y, MASK mask)
{
return handleMouseEvent(boost::bind(&LLMouseHandler::handleToolTip, _1, _2, _3, mask), view_visible, x, y, false);
}
void LLPopupView::addPopup(LLView* popup)
{
if (popup)
{
mPopups.remove(popup->getHandle());
mPopups.push_front(popup->getHandle());
}
}
void LLPopupView::removePopup(LLView* popup)
{
if (popup)
{
mPopups.remove(popup->getHandle());
popup->onTopLost();
}
}
void LLPopupView::clearPopups()
{
for (popup_list_t::iterator popup_it = mPopups.begin();
popup_it != mPopups.end();)
{
LLView* popup = popup_it->get();
popup_list_t::iterator cur_popup_it = popup_it;
++popup_it;
mPopups.erase(cur_popup_it);
popup->onTopLost();
}
}
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