Split out the graphics and input handling to a separate widget in preparation
for things like scroll bars.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4371 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/vncviewer/Viewport.h b/vncviewer/Viewport.h
new file mode 100644
index 0000000..d8a584a
--- /dev/null
+++ b/vncviewer/Viewport.h
@@ -0,0 +1,118 @@
+/* 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 <rfb/Rect.h>
+#include <rfb/Region.h>
+#include <rfb/Timer.h>
+#include <rfb/PixelBuffer.h>
+#include <rfb/PixelTransformer.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;
+ 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_Widget callback methods
+ void draw();
+ int handle(int event);
+
+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);
+
+ void handlePointerEvent(const rfb::Point& pos, int buttonMask);
+ static void handlePointerTimeout(void *data);
+
+ rdr::U32 translateKeyEvent(int keyCode, const char *keyText);
+ void handleKeyEvent(int keyCode, const char *keyText, bool down);
+
+private:
+ CConn* cc;
+
+ rfb::ManagedPixelBuffer* frameBuffer;
+
+ rfb::PixelTransformer *pixelTrans;
+ rfb::SimpleColourMap colourMap;
+
+ rfb::Region damage;
+
+ rfb::Point lastPointerPos;
+ int lastButtonMask;
+
+ typedef std::map<int, rdr::U32> DownMap;
+ DownMap downKeySym;
+};
+
+#endif