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- /* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
- * Copyright 2011-2019 Pierre Ossman <ossman@cendio.se> for Cendio AB
- *
- * This is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This software 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this software; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
- * USA.
- */
-
- #ifndef __VIEWPORT_H__
- #define __VIEWPORT_H__
-
- #include <map>
-
- #include <rfb/Rect.h>
-
- #include <FL/Fl_Widget.H>
-
- #include "EmulateMB.h"
-
- class Fl_Menu_Button;
- class Fl_RGB_Image;
-
- class CConn;
- class PlatformPixelBuffer;
- class Surface;
-
- class Viewport : public Fl_Widget, public EmulateMB {
- public:
-
- Viewport(int w, int h, const rfb::PixelFormat& serverPF, CConn* cc_);
- ~Viewport();
-
- // Most efficient format (from Viewport's point of view)
- const rfb::PixelFormat &getPreferredPF();
-
- // Flush updates to screen
- void updateWindow();
-
- // New image for the locally rendered cursor
- void setCursor(int width, int height, const rfb::Point& hotspot,
- const rdr::U8* data);
-
- // Change client LED state
- void setLEDState(unsigned int state);
-
- void draw(Surface* dst);
-
- // Clipboard events
- void handleClipboardRequest();
- void handleClipboardAnnounce(bool available);
- void handleClipboardData(const char* data);
-
- // Fl_Widget callback methods
-
- void draw();
-
- void resize(int x, int y, int w, int h);
-
- int handle(int event);
-
- protected:
- virtual void sendPointerEvent(const rfb::Point& pos, int buttonMask);
-
- private:
- bool hasFocus();
-
- unsigned int getModifierMask(unsigned int keysym);
-
- static void handleClipboardChange(int source, void *data);
-
- void flushPendingClipboard();
-
- void handlePointerEvent(const rfb::Point& pos, int buttonMask);
- static void handlePointerTimeout(void *data);
-
- void handleKeyPress(int keyCode, rdr::U32 keySym);
- void handleKeyRelease(int keyCode);
-
- static int handleSystemEvent(void *event, void *data);
-
- #ifdef WIN32
- static void handleAltGrTimeout(void *data);
- #endif
-
- void pushLEDState();
-
- void initContextMenu();
- void popupContextMenu();
-
- void setMenuKey();
-
- static void handleOptions(void *data);
-
- private:
- CConn* cc;
-
- PlatformPixelBuffer* frameBuffer;
-
- rfb::Point lastPointerPos;
- int lastButtonMask;
-
- typedef std::map<int, rdr::U32> DownMap;
- DownMap downKeySym;
-
- #ifdef WIN32
- bool altGrArmed;
- unsigned int altGrCtrlTime;
- #endif
-
- bool firstLEDState;
-
- bool pendingServerClipboard;
- bool pendingClientClipboard;
-
- int clipboardSource;
-
- rdr::U32 menuKeySym;
- int menuKeyCode, menuKeyFLTK;
- Fl_Menu_Button *contextMenu;
-
- bool menuCtrlKey;
- bool menuAltKey;
-
- Fl_RGB_Image *cursor;
- rfb::Point cursorHotspot;
- };
-
- #endif
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