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/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
* Copyright 2011 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 <FL/Fl.H>
#include <FL/Fl_Widget.H>
#include <FL/Fl_Menu_Button.H>
#include <FL/Fl_RGB_Image.H>
#include <rfb/Rect.h>
#include <rfb/Region.h>
#include <rfb/Timer.h>
#include <rfb/PixelBuffer.h>
#include <rfb/PixelTransformer.h>
#if defined(WIN32)
#include "Win32PixelBuffer.h"
#elif defined(__APPLE__)
#include "OSXPixelBuffer.h"
#else
#include "X11PixelBuffer.h"
#endif
// We also have a generic version of the above, using pure FLTK:
//
// #include "PlatformPixelBuffer.h"
//
class CConn;
class Viewport : public Fl_Widget {
public:
Viewport(int w, int h, const rfb::PixelFormat& serverPF, CConn* cc_);
~Viewport();
// PixelFormat of incoming write operations
void setServerPF(const rfb::PixelFormat& pf);
// Most efficient format (from Viewport's point of view)
const rfb::PixelFormat &getPreferredPF();
// Flush updates to screen
void updateWindow();
// Methods forwarded from CConn
void setName(const char *name);
void setColourMapEntries(int firstColour, int nColours, rdr::U16* rgbs);
void fillRect(const rfb::Rect& r, rfb::Pixel pix) {
if (pixelTrans) {
rfb::Pixel pix2;
if (colourMapChange)
commitColourMap();
pixelTrans->translatePixels(&pix, &pix2, 1);
pix = pix2;
}
frameBuffer->fillRect(r, pix);
damageRect(r);
}
void imageRect(const rfb::Rect& r, void* pixels) {
if (pixelTrans) {
if (colourMapChange)
commitColourMap();
pixelTrans->translateRect(pixels, r.width(),
rfb::Rect(0, 0, r.width(), r.height()),
frameBuffer->data, frameBuffer->getStride(),
r.tl);
} else {
frameBuffer->imageRect(r, pixels);
}
damageRect(r);
}
void copyRect(const rfb::Rect& r, int srcX, int srcY) {
frameBuffer->copyRect(r, rfb::Point(r.tl.x-srcX, r.tl.y-srcY));
damageRect(r);
}
rdr::U8* getPixelsRW(const rfb::Rect& r, int* stride) {
return frameBuffer->getPixelsRW(r, stride);
}
void damageRect(const rfb::Rect& r) {
damage.assign_union(rfb::Region(r));
if (!Fl::has_timeout(handleUpdateTimeout, this))
Fl::add_timeout(0.500, handleUpdateTimeout, this);
};
void setCursor(int width, int height, const rfb::Point& hotspot,
void* data, void* mask);
// Fl_Widget callback methods
void draw();
void resize(int x, int y, int w, int h);
int handle(int event);
private:
static void handleUpdateTimeout(void *data);
void commitColourMap();
static void handleClipboardChange(int source, void *data);
void handlePointerEvent(const rfb::Point& pos, int buttonMask);
static void handlePointerTimeout(void *data);
rdr::U32 translateKeyEvent(int keyCode, int origKeyCode, const char *keyText);
void handleKeyEvent(int keyCode, int origKeyCode, const char *keyText, bool down);
void initContextMenu();
void popupContextMenu();
void setMenuKey();
static void handleOptions(void *data);
private:
CConn* cc;
PlatformPixelBuffer* frameBuffer;
rfb::PixelTransformer *pixelTrans;
rfb::SimpleColourMap colourMap;
bool colourMapChange;
rfb::Region damage;
rfb::Point lastPointerPos;
int lastButtonMask;
typedef std::map<int, rdr::U32> DownMap;
DownMap downKeySym;
int menuKeyCode;
Fl_Menu_Button *contextMenu;
bool menuCtrlKey;
bool menuAltKey;
Fl_RGB_Image *cursor;
rfb::Point cursorHotspot;
};
#endif
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