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SingularityViewer/indra/newview/lltoolobjpicker.cpp

181 lines
4.2 KiB
C++

/**
* @file lltoolobjpicker.cpp
* @brief LLToolObjPicker class implementation
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2009, 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.
* $/LicenseInfo$
*/
// LLToolObjPicker is a transient tool, useful for a single object pick.
#include "llviewerprecompiledheaders.h"
#include "lltoolobjpicker.h"
#include "llagent.h"
#include "llselectmgr.h"
#include "llworld.h"
#include "llviewercontrol.h"
#include "llmenugl.h"
#include "lltoolmgr.h"
#include "llviewerobject.h"
#include "llviewerobjectlist.h"
#include "llviewermenu.h"
#include "llviewercamera.h"
#include "llviewerwindow.h"
#include "llwindow.h"
#include "lldrawable.h"
LLToolObjPicker::LLToolObjPicker()
: LLTool( std::string("ObjPicker"), NULL ),
mPicked( FALSE ),
mHitObjectID( LLUUID::null ),
mExitCallback( NULL ),
mExitCallbackData( NULL )
{ }
// returns TRUE if an object was selected
BOOL LLToolObjPicker::handleMouseDown(S32 x, S32 y, MASK mask)
{
LLView* viewp = gViewerWindow->getRootView();
BOOL handled = viewp->handleMouseDown(x, y, mask);
mHitObjectID.setNull();
if (! handled)
{
// didn't click in any UI object, so must have clicked in the world
gViewerWindow->pickAsync(x, y, mask, pickCallback);
handled = TRUE;
}
else
{
if (hasMouseCapture())
{
setMouseCapture(FALSE);
}
else
{
llwarns << "PickerTool doesn't have mouse capture on mouseDown" << llendl;
}
}
// Pass mousedown to base class
LLTool::handleMouseDown(x, y, mask);
return handled;
}
void LLToolObjPicker::pickCallback(const LLPickInfo& pick_info)
{
LLToolObjPicker::getInstance()->mHitObjectID = pick_info.mObjectID;
LLToolObjPicker::getInstance()->mPicked = pick_info.mObjectID.notNull();
}
BOOL LLToolObjPicker::handleMouseUp(S32 x, S32 y, MASK mask)
{
LLView* viewp = gViewerWindow->getRootView();
BOOL handled = viewp->handleHover(x, y, mask);
if (handled)
{
// let UI handle this
}
LLTool::handleMouseUp(x, y, mask);
if (hasMouseCapture())
{
setMouseCapture(FALSE);
}
else
{
llwarns << "PickerTool doesn't have mouse capture on mouseUp" << llendl;
}
return handled;
}
BOOL LLToolObjPicker::handleHover(S32 x, S32 y, MASK mask)
{
LLView *viewp = gViewerWindow->getRootView();
BOOL handled = viewp->handleHover(x, y, mask);
if (!handled)
{
// Used to do pick on hover. Now we just always display the cursor.
ECursorType cursor = UI_CURSOR_ARROWLOCKED;
cursor = UI_CURSOR_TOOLPICKOBJECT3;
gViewerWindow->getWindow()->setCursor(cursor);
}
return handled;
}
void LLToolObjPicker::onMouseCaptureLost()
{
if (mExitCallback)
{
mExitCallback(mExitCallbackData);
mExitCallback = NULL;
mExitCallbackData = NULL;
}
mPicked = FALSE;
mHitObjectID.setNull();
}
// virtual
void LLToolObjPicker::setExitCallback(void (*callback)(void *), void *callback_data)
{
mExitCallback = callback;
mExitCallbackData = callback_data;
}
// virtual
void LLToolObjPicker::handleSelect()
{
LLTool::handleSelect();
setMouseCapture(TRUE);
}
// virtual
void LLToolObjPicker::handleDeselect()
{
if (hasMouseCapture())
{
LLTool::handleDeselect();
setMouseCapture(FALSE);
}
}