Initial commit of new FLTK based vncviewer. Most of the code comes from the
current Unix vncviewer.


git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4345 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/vncviewer/DesktopWindow.h b/vncviewer/DesktopWindow.h
new file mode 100644
index 0000000..de85add
--- /dev/null
+++ b/vncviewer/DesktopWindow.h
@@ -0,0 +1,110 @@
+/* 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 __DESKTOPWINDOW_H__
+#define __DESKTOPWINDOW_H__
+
+#include <FL/Fl.H>
+#include <FL/Fl_Window.H>
+
+#include <rfb/Rect.h>
+#include <rfb/Region.h>
+#include <rfb/Timer.h>
+#include <rfb/PixelBuffer.h>
+#include <rfb/PixelTransformer.h>
+
+class CConn;
+
+class DesktopWindow : public Fl_Window {
+public:
+
+  DesktopWindow(int w, int h, const char *name,
+                const rfb::PixelFormat& serverPF, CConn* cc_);
+  ~DesktopWindow();
+
+  // PixelFormat of incoming write operations
+  void setServerPF(const rfb::PixelFormat& pf);
+  // Most efficient format (from DesktopWindow's point of view)
+  const rfb::PixelFormat &getPreferredPF();
+
+  // setCursor() sets the shape of the local cursor
+  void setCursor(int width, int height, const rfb::Point& hotspot,
+                 void* data, void* mask);
+
+  // 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;
+      pixelTrans->translatePixels(&pix, &pix2, 1);
+      pix = pix2;
+    }
+
+    frameBuffer->fillRect(r, pix);
+    damageRect(r);
+  }
+  void imageRect(const rfb::Rect& r, void* pixels) {
+    if (pixelTrans)
+      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);
+  }
+
+  // Fl_Window callback methods
+  void draw();
+
+private:
+
+  void damageRect(const rfb::Rect& r) {
+    damage.assign_union(rfb::Region(r));
+    if (!Fl::has_timeout(handleUpdateTimeout, this))
+      Fl::add_timeout(0.100, handleUpdateTimeout, this);
+  };
+
+  static void handleUpdateTimeout(void *data);
+  static void handleColourMap(void *data);
+
+  static void handleClose(Fl_Widget *wnd, void *data);
+
+private:
+  CConn* cc;
+
+  rfb::ManagedPixelBuffer* frameBuffer;
+
+  rfb::PixelTransformer *pixelTrans;
+  rfb::SimpleColourMap colourMap;
+
+  rfb::Region damage;
+};
+
+#endif