lltoolobjpicker.cpp
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上传日期:2021-03-01
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- /**
- * @file lltoolobjpicker.cpp
- * @brief LLToolObjPicker class implementation
- *
- * $LicenseInfo:firstyear=2001&license=viewergpl$
- *
- * 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.
- * $/LicenseInfo$
- */
- // 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 "lldrawable.h"
- #include "llrootview.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)
- {
- LLRootView* 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->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);
- }
- }