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/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
* Copyright 2011-2021 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 <core/Rect.h>
#include <FL/Fl_Widget.H>
#include "EmulateMB.h"
#include "Keyboard.h"
#include "ShortcutHandler.h"
class Fl_Menu_Button;
class Fl_RGB_Image;
class CConn;
class Keyboard;
class PlatformPixelBuffer;
class Surface;
class Viewport : public Fl_Widget, protected EmulateMB,
protected KeyboardHandler {
public:
Viewport(int w, int h, 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();
// 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() override;
void resize(int x, int y, int w, int h) override;
int handle(int event) override;
protected:
void sendPointerEvent(const core::Point& pos,
uint16_t buttonMask) override;
private:
bool hasFocus();
// Show the currently set (or system) cursor
void showCursor();
static void handleClipboardChange(int source, void *data);
void flushPendingClipboard();
void handlePointerEvent(const core::Point& pos, uint16_t buttonMask);
static void handlePointerTimeout(void *data);
void resetKeyboard();
void handleKeyPress(int systemKeyCode,
uint32_t keyCode, uint32_t keySym) override;
void handleKeyRelease(int systemKeyCode) override;
static int handleSystemEvent(void *event, void *data);
void pushLEDState();
void initContextMenu();
void popupContextMenu();
static void handleOptions(void *data);
private:
CConn* cc;
PlatformPixelBuffer* frameBuffer;
core::Point lastPointerPos;
uint16_t lastButtonMask;
Keyboard* keyboard;
ShortcutHandler shortcutHandler;
bool shortcutBypass;
bool shortcutActive;
std::set<int> pressedKeys;
bool firstLEDState;
bool pendingClientClipboard;
int clipboardSource;
Fl_Menu_Button *contextMenu;
bool menuCtrlKey;
bool menuAltKey;
Fl_RGB_Image *cursor;
core::Point cursorHotspot;
bool cursorIsBlank;
};
#endif
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