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/**
* @file lldockcontrol.cpp
* @brief Creates a panel of a specific kind for a toast
*
* $LicenseInfo:firstyear=2000&license=viewergpl$
*
* Copyright (c) 2000-2009, 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 "linden_common.h"
#include "lldockcontrol.h"
#include "lldockablefloater.h"
LLDockControl::LLDockControl(LLView* dockWidget, LLFloater* dockableFloater,
const LLUIImagePtr& dockTongue, DocAt dockAt, get_allowed_rect_callback_t get_allowed_rect_callback) :
mDockWidget(dockWidget), mDockableFloater(dockableFloater), mDockTongue(dockTongue)
{
mDockAt = dockAt;
if (dockableFloater->isDocked())
{
on();
}
else
{
off();
}
if (!(get_allowed_rect_callback))
{
mGetAllowedRectCallback = boost::bind(&LLDockControl::getAllowedRect, this, _1);
}
else
{
mGetAllowedRectCallback = get_allowed_rect_callback;
}
if (dockWidget != NULL)
{
repositionDockable();
}
}
LLDockControl::~LLDockControl()
{
}
void LLDockControl::setDock(LLView* dockWidget)
{
mDockWidget = dockWidget;
if (mDockWidget != NULL)
{
repositionDockable();
}
}
void LLDockControl::getAllowedRect(LLRect& rect)
{
rect = mDockableFloater->getRootView()->getRect();
}
void LLDockControl::repositionDockable()
{
LLRect dockRect = mDockWidget->calcScreenRect();
LLRect rootRect;
mGetAllowedRectCallback(rootRect);
static BOOL prev_visibility = !mDockWidget->getVisible();
// recalculate dockable position if dock position changed, dock visibility changed,
// root view rect changed or recalculation is forced
if (mPrevDockRect != dockRect || prev_visibility != mDockWidget->getVisible()
|| mRootRect != rootRect || mRecalculateDocablePosition)
{
// undock dockable and off() if dock not visible
if (!isDockVisible())
{
mDockableFloater->setDocked(false);
// force off() since dockable may not have dockControll at this time
off();
LLDockableFloater* dockable_floater =
dynamic_cast<LLDockableFloater*> (mDockableFloater);
if(dockable_floater != NULL)
{
dockable_floater->onDockHidden();
}
}
else
{
if(mEnabled)
{
moveDockable();
}
LLDockableFloater* dockable_floater =
dynamic_cast<LLDockableFloater*> (mDockableFloater);
if(dockable_floater != NULL)
{
dockable_floater->onDockShown();
}
}
mPrevDockRect = dockRect;
mRootRect = rootRect;
mRecalculateDocablePosition = false;
prev_visibility = mDockWidget->getVisible();
}
}
bool LLDockControl::isDockVisible()
{
bool res = true;
if (mDockWidget != NULL)
{
//we should check all hierarchy
res = mDockWidget->isInVisibleChain();
if (res)
{
LLRect dockRect = mDockWidget->calcScreenRect();
switch (mDockAt)
{
case TOP:
// check is dock inside parent rect
LLRect dockParentRect =
mDockWidget->getParent()->calcScreenRect();
if (dockRect.mRight <= dockParentRect.mLeft
|| dockRect.mLeft >= dockParentRect.mRight)
{
res = false;
}
break;
}
}
}
return res;
}
void LLDockControl::moveDockable()
{
// calculate new dockable position
LLRect dockRect = mDockWidget->calcScreenRect();
LLRect rootRect;
mGetAllowedRectCallback(rootRect);
LLRect dockableRect = mDockableFloater->calcScreenRect();
S32 x = 0;
S32 y = 0;
switch (mDockAt)
{
case TOP:
x = dockRect.getCenterX() - dockableRect.getWidth() / 2;
y = dockRect.mTop + mDockTongue->getHeight() + dockableRect.getHeight();
// check is dockable inside root view rect
if (x < rootRect.mLeft)
{
x = rootRect.mLeft;
}
if (x + dockableRect.getWidth() > rootRect.mRight)
{
x = rootRect.mRight - dockableRect.getWidth();
}
// calculate dock tongue position
LLRect dockParentRect =
mDockWidget->getParent()->calcScreenRect();
if (dockRect.getCenterX() < dockParentRect.mLeft)
{
mDockTongueX = dockParentRect.mLeft - mDockTongue->getWidth() / 2;
}
else if (dockRect.getCenterX() > dockParentRect.mRight)
{
mDockTongueX = dockParentRect.mRight - mDockTongue->getWidth() / 2;;
}
else
{
mDockTongueX = dockRect.getCenterX() - mDockTongue->getWidth() / 2;
}
mDockTongueY = dockRect.mTop;
break;
}
// move dockable
dockableRect.setLeftTopAndSize(x, y, dockableRect.getWidth(),
dockableRect.getHeight());
LLRect localDocableParentRect;
mDockableFloater->getParent()->screenRectToLocal(dockableRect,
&localDocableParentRect);
mDockableFloater->setRect(localDocableParentRect);
mDockableFloater->screenPointToLocal(mDockTongueX, mDockTongueY,
&mDockTongueX, &mDockTongueY);
}
void LLDockControl::on()
{
if (isDockVisible())
{
mDockableFloater->setCanDrag(false);
mEnabled = true;
mRecalculateDocablePosition = true;
}
}
void LLDockControl::off()
{
mDockableFloater->setCanDrag(true);
mEnabled = false;
}
void LLDockControl::drawToungue()
{
if (mEnabled)
{
mDockTongue->draw(mDockTongueX, mDockTongueY);
}
}
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