175 lines
3.9 KiB
C++
175 lines
3.9 KiB
C++
/**
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* @file lltoolobjpicker.cpp
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* @brief LLToolObjPicker class implementation
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*
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* $LicenseInfo:firstyear=2001&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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// LLToolObjPicker is a transient tool, useful for a single object pick.
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#include "llviewerprecompiledheaders.h"
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#include "lltoolobjpicker.h"
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#include "llagent.h"
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#include "llselectmgr.h"
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#include "llworld.h"
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#include "llviewercontrol.h"
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#include "llmenugl.h"
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#include "lltoolmgr.h"
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#include "llviewerobject.h"
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#include "llviewerobjectlist.h"
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#include "llviewermenu.h"
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#include "llviewercamera.h"
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#include "llviewerwindow.h"
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#include "lldrawable.h"
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#include "llrootview.h"
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LLToolObjPicker::LLToolObjPicker()
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: LLTool( std::string("ObjPicker"), NULL ),
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mPicked( false ),
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mHitObjectID( LLUUID::null ),
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mExitCallback( NULL ),
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mExitCallbackData( NULL )
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{ }
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// returns true if an object was selected
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bool LLToolObjPicker::handleMouseDown(S32 x, S32 y, MASK mask)
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{
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LLRootView* viewp = gViewerWindow->getRootView();
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bool handled = viewp->handleMouseDown(x, y, mask);
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mHitObjectID.setNull();
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if (! handled)
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{
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// didn't click in any UI object, so must have clicked in the world
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gViewerWindow->pickAsync(x, y, mask, pickCallback);
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handled = true;
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}
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else
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{
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if (hasMouseCapture())
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{
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setMouseCapture(false);
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}
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else
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{
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LL_WARNS() << "PickerTool doesn't have mouse capture on mouseDown" << LL_ENDL;
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}
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}
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// Pass mousedown to base class
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LLTool::handleMouseDown(x, y, mask);
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return handled;
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}
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void LLToolObjPicker::pickCallback(const LLPickInfo& pick_info)
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{
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LLToolObjPicker::getInstance()->mHitObjectID = pick_info.mObjectID;
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LLToolObjPicker::getInstance()->mPicked = pick_info.mObjectID.notNull();
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}
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bool LLToolObjPicker::handleMouseUp(S32 x, S32 y, MASK mask)
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{
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LLView* viewp = gViewerWindow->getRootView();
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bool handled = viewp->handleHover(x, y, mask);
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if (handled)
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{
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// let UI handle this
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}
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LLTool::handleMouseUp(x, y, mask);
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if (hasMouseCapture())
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{
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setMouseCapture(false);
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}
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else
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{
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LL_WARNS() << "PickerTool doesn't have mouse capture on mouseUp" << LL_ENDL;
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}
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return handled;
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}
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bool LLToolObjPicker::handleHover(S32 x, S32 y, MASK mask)
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{
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LLView *viewp = gViewerWindow->getRootView();
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bool handled = viewp->handleHover(x, y, mask);
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if (!handled)
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{
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// Used to do pick on hover. Now we just always display the cursor.
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ECursorType cursor = UI_CURSOR_ARROWLOCKED;
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cursor = UI_CURSOR_TOOLPICKOBJECT3;
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gViewerWindow->setCursor(cursor);
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}
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return handled;
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}
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void LLToolObjPicker::onMouseCaptureLost()
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{
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if (mExitCallback)
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{
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mExitCallback(mExitCallbackData);
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mExitCallback = NULL;
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mExitCallbackData = NULL;
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}
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mPicked = false;
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mHitObjectID.setNull();
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}
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// virtual
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void LLToolObjPicker::setExitCallback(void (*callback)(void *), void *callback_data)
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{
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mExitCallback = callback;
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mExitCallbackData = callback_data;
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}
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// virtual
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void LLToolObjPicker::handleSelect()
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{
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LLTool::handleSelect();
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setMouseCapture(true);
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}
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// virtual
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void LLToolObjPicker::handleDeselect()
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{
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if (hasMouseCapture())
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{
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LLTool::handleDeselect();
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setMouseCapture(false);
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}
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}
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