101 lines
4.7 KiB
C++
101 lines
4.7 KiB
C++
/**
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* @file llwindowcallbacks.h
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* @brief OS event callback class
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*
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* $LicenseInfo:firstyear=2001&license=viewergpl$
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*
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* Copyright (c) 2001-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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#ifndef LLWINDOWCALLBACKS_H
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#define LLWINDOWCALLBACKS_H
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class LLCoordGL;
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class LLWindow;
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class LLWindowCallbacks
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{
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public:
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virtual ~LLWindowCallbacks() {}
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virtual BOOL handleTranslatedKeyDown(KEY key, MASK mask, BOOL repeated);
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virtual BOOL handleTranslatedKeyUp(KEY key, MASK mask);
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virtual void handleScanKey(KEY key, BOOL key_down, BOOL key_up, BOOL key_level);
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virtual BOOL handleUnicodeChar(llwchar uni_char, MASK mask);
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virtual BOOL handleMouseDown(LLWindow *window, LLCoordGL pos, MASK mask);
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virtual BOOL handleMouseUp(LLWindow *window, LLCoordGL pos, MASK mask);
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virtual void handleMouseLeave(LLWindow *window);
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// return TRUE to allow window to close, which will then cause handleQuit to be called
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virtual BOOL handleCloseRequest(LLWindow *window);
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// window is about to be destroyed, clean up your business
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virtual void handleQuit(LLWindow *window);
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virtual BOOL handleRightMouseDown(LLWindow *window, LLCoordGL pos, MASK mask);
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virtual BOOL handleRightMouseUp(LLWindow *window, LLCoordGL pos, MASK mask);
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virtual BOOL handleMiddleMouseDown(LLWindow *window, LLCoordGL pos, MASK mask);
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virtual BOOL handleMiddleMouseUp(LLWindow *window, LLCoordGL pos, MASK mask);
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virtual BOOL handleActivate(LLWindow *window, BOOL activated);
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virtual BOOL handleActivateApp(LLWindow *window, BOOL activating);
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virtual void handleMouseMove(LLWindow *window, LLCoordGL pos, MASK mask);
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virtual void handleScrollWheel(LLWindow *window, S32 clicks);
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virtual void handleResize(LLWindow *window, S32 width, S32 height);
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virtual void handleFocus(LLWindow *window);
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virtual void handleFocusLost(LLWindow *window);
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virtual void handleMenuSelect(LLWindow *window, S32 menu_item);
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virtual BOOL handlePaint(LLWindow *window, S32 x, S32 y, S32 width, S32 height);
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virtual BOOL handleDoubleClick(LLWindow *window, LLCoordGL pos, MASK mask); // double-click of left mouse button
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virtual void handleWindowBlock(LLWindow *window); // window is taking over CPU for a while
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virtual void handleWindowUnblock(LLWindow *window); // window coming back after taking over CPU for a while
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virtual void handleDataCopy(LLWindow *window, S32 data_type, void *data);
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virtual BOOL handleTimerEvent(LLWindow *window);
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virtual BOOL handleDeviceChange(LLWindow *window);
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enum DragNDropAction {
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DNDA_START_TRACKING = 0,// Start tracking an incoming drag
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DNDA_TRACK, // User is dragging an incoming drag around the window
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DNDA_STOP_TRACKING, // User is no longer dragging an incoming drag around the window (may have either cancelled or dropped on the window)
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DNDA_DROPPED // User dropped an incoming drag on the window (this is the "commit" event)
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};
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enum DragNDropResult {
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DND_NONE = 0, // No drop allowed
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DND_MOVE, // Drop accepted would result in a "move" operation
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DND_COPY, // Drop accepted would result in a "copy" operation
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DND_LINK // Drop accepted would result in a "link" operation
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};
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virtual DragNDropResult handleDragNDrop(LLWindow *window, LLCoordGL pos, MASK mask, DragNDropAction action, std::string data);
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virtual void handlePingWatchdog(LLWindow *window, const char * msg);
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virtual void handlePauseWatchdog(LLWindow *window);
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virtual void handleResumeWatchdog(LLWindow *window);
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// Look up a localized string, usually for an error message
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virtual std::string translateString(const char* tag);
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virtual std::string translateString(const char* tag,
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const std::map<std::string, std::string>& args);
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};
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#endif
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