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/**
* @file llwindowcallbacks.h
* @brief OS event callback class
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LLWINDOWCALLBACKS_H
#define LLWINDOWCALLBACKS_H
#include "llcoord.h"
class LLWindow;
class LLWindowCallbacks
{
public:
virtual ~LLWindowCallbacks() {}
virtual BOOL handleTranslatedKeyDown(KEY key, MASK mask, BOOL repeated);
virtual BOOL handleTranslatedKeyUp(KEY key, MASK mask);
virtual void handleScanKey(KEY key, BOOL key_down, BOOL key_up, BOOL key_level);
virtual BOOL handleUnicodeChar(llwchar uni_char, MASK mask);
virtual BOOL handleMouseDown(LLWindow *window, LLCoordGL pos, MASK mask);
virtual BOOL handleMouseUp(LLWindow *window, LLCoordGL pos, MASK mask);
virtual void handleMouseLeave(LLWindow *window);
// return TRUE to allow window to close, which will then cause handleQuit to be called
virtual BOOL handleCloseRequest(LLWindow *window);
// window is about to be destroyed, clean up your business
virtual void handleQuit(LLWindow *window);
virtual BOOL handleRightMouseDown(LLWindow *window, LLCoordGL pos, MASK mask);
virtual BOOL handleRightMouseUp(LLWindow *window, LLCoordGL pos, MASK mask);
virtual BOOL handleMiddleMouseDown(LLWindow *window, LLCoordGL pos, MASK mask);
virtual BOOL handleMiddleMouseUp(LLWindow *window, LLCoordGL pos, MASK mask);
virtual BOOL handleOtherMouseDown(LLWindow *window, LLCoordGL pos, MASK mask, S32 button);
virtual BOOL handleOtherMouseUp(LLWindow *window, LLCoordGL pos, MASK mask, S32 button);
virtual BOOL handleActivate(LLWindow *window, BOOL activated);
virtual BOOL handleActivateApp(LLWindow *window, BOOL activating);
virtual void handleMouseMove(LLWindow *window, LLCoordGL pos, MASK mask);
virtual void handleMouseDragged(LLWindow *window, LLCoordGL pos, MASK mask);
virtual void handleScrollWheel(LLWindow *window, S32 clicks);
virtual void handleResize(LLWindow *window, S32 width, S32 height);
virtual void handleFocus(LLWindow *window);
virtual void handleFocusLost(LLWindow *window);
virtual void handleMenuSelect(LLWindow *window, S32 menu_item);
virtual BOOL handlePaint(LLWindow *window, S32 x, S32 y, S32 width, S32 height);
virtual BOOL handleDoubleClick(LLWindow *window, LLCoordGL pos, MASK mask); // double-click of left mouse button
virtual void handleWindowBlock(LLWindow *window); // window is taking over CPU for a while
virtual void handleWindowUnblock(LLWindow *window); // window coming back after taking over CPU for a while
virtual void handleDataCopy(LLWindow *window, S32 data_type, void *data);
virtual BOOL handleTimerEvent(LLWindow *window);
virtual BOOL handleDeviceChange(LLWindow *window);
virtual BOOL handleDPIChanged(LLWindow *window, F32 ui_scale_factor, S32 window_width, S32 window_height);
virtual BOOL handleWindowDidChangeScreen(LLWindow *window);
enum DragNDropAction {
DNDA_START_TRACKING = 0,// Start tracking an incoming drag
DNDA_TRACK, // User is dragging an incoming drag around the window
DNDA_STOP_TRACKING, // User is no longer dragging an incoming drag around the window (may have either cancelled or dropped on the window)
DNDA_DROPPED // User dropped an incoming drag on the window (this is the "commit" event)
};
enum DragNDropResult {
DND_NONE = 0, // No drop allowed
DND_MOVE, // Drop accepted would result in a "move" operation
DND_COPY, // Drop accepted would result in a "copy" operation
DND_LINK // Drop accepted would result in a "link" operation
};
virtual DragNDropResult handleDragNDrop(LLWindow *window, LLCoordGL pos, MASK mask, DragNDropAction action, std::string data);
virtual void handlePingWatchdog(LLWindow *window, const char * msg);
virtual void handlePauseWatchdog(LLWindow *window);
virtual void handleResumeWatchdog(LLWindow *window);
// Look up a localized string, usually for an error message
virtual std::string translateString(const char* tag);
virtual std::string translateString(const char* tag,
const std::map<std::string, std::string>& args);
};
#endif
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