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/* Copyright (C) 2002-2004 RealVNC Ltd. All Rights Reserved.
*
* 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.
*/
//
// DesktopWindow is a TXWindow representing a VNC desktop.
//
#ifndef __DESKTOPWINDOW_H__
#define __DESKTOPWINDOW_H__
#include <rfb/Cursor.h>
#include <rfb/Rect.h>
#include "TXWindow.h"
#include "TXViewport.h"
#include "TXImage.h"
#include "Timer.h"
class CConn;
class DesktopWindow : public TXWindow, public TXEventHandler,
public TimerCallback {
public:
DesktopWindow(Display* dpy, int w, int h,
const rfb::PixelFormat& serverPF, CConn* cc_,
TXWindow* parent=0);
~DesktopWindow();
void setViewport(TXViewport* viewport);
// getPF() and setPF() get and set the TXImage's pixel format
const rfb::PixelFormat& getPF() { return im->getPF(); }
void setPF(const rfb::PixelFormat& pf) { im->setPF(pf); }
// setCursor() sets the shape of the local cursor
void setCursor(const rfb::Point& hotspot, const rfb::Point& size,
void* data, void* mask);
// resetLocalCursor() stops the rendering of the local cursor
void resetLocalCursor();
// Methods forwarded from CConn
void setColourMapEntries(int firstColour, int nColours, rdr::U16* rgbs);
void serverCutText(const char* str, int len);
void framebufferUpdateEnd();
void fillRect(const rfb::Rect& r, rfb::Pixel pix) {
if (r.overlaps(cursorBackingRect)) hideLocalCursor();
im->fillRect(r, pix);
im->put(win(), gc, r);
showLocalCursor();
}
void imageRect(const rfb::Rect& r, void* pixels) {
if (r.overlaps(cursorBackingRect)) hideLocalCursor();
im->imageRect(r, pixels);
im->put(win(), gc, r);
showLocalCursor();
}
void copyRect(const rfb::Rect& r, int srcX, int srcY) {
if (r.overlaps(cursorBackingRect) ||
cursorBackingRect.overlaps(rfb::Rect(srcX, srcY,
srcX+r.width(), srcY+r.height())))
hideLocalCursor();
if (im->usingShm())
XSync(dpy, False);
im->copyRect(r, rfb::Point(r.tl.x-srcX, r.tl.y-srcY));
XCopyArea(dpy, win(), win(), gc, srcX, srcY,
r.width(), r.height(), r.tl.x, r.tl.y);
showLocalCursor();
}
void invertRect(const rfb::Rect& r);
// TXWindow methods
virtual void resize(int w, int h);
virtual bool selectionRequest(Window requestor,
Atom selection, Atom property);
virtual void selectionNotify(XSelectionEvent* ev, Atom type, int format,
int nitems, void* data);
virtual void handleEvent(TXWindow* w, XEvent* ev);
private:
void createXCursors();
void hideLocalCursor();
void showLocalCursor();
void timerCallback(Timer* timer);
void handlePointerEvent(int x, int y, int buttonMask);
CConn* cc;
TXImage* im;
GC gc;
::Cursor dotCursor, noCursor, localXCursor;
rfb::Cursor cursor;
bool cursorVisible; // Is cursor currently rendered?
bool cursorAvailable; // Is cursor available for rendering?
rfb::Point cursorPos;
rfb::ManagedPixelBuffer cursorBacking;
rfb::Rect cursorBackingRect;
Time currentSelectionTime;
Atom newSelection;
bool gettingInitialSelectionTime;
bool newServerCutText;
char* serverCutText_;
Timer setColourMapEntriesTimer;
TXViewport* viewport;
Timer pointerEventTimer;
int lastPointerX, lastPointerY, lastButtonMask;
rdr::U32 downKeysym[256];
};
#endif
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