// Filename: tinyXGraphicsWindow.h
// Created by:  drose (03May08)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) Carnegie Mellon University.  All rights reserved.
//
// All use of this software is subject to the terms of the revised BSD
// license.  You should have received a copy of this license along
// with this source code in a file named "LICENSE."
//
////////////////////////////////////////////////////////////////////

#ifndef TINYXGRAPHICSWINDOW_H
#define TINYXGRAPHICSWINDOW_H

#include "pandabase.h"

#ifdef HAVE_X11

#include "tinyXGraphicsPipe.h"
#include "graphicsWindow.h"
#include "buttonHandle.h"

////////////////////////////////////////////////////////////////////
//       Class : TinyXGraphicsWindow
// Description : Opens a window on X11 to display the TinyPanda
//               software rendering.
////////////////////////////////////////////////////////////////////
class EXPCL_TINYDISPLAY TinyXGraphicsWindow : public GraphicsWindow {
public:
  TinyXGraphicsWindow(GraphicsEngine *engine, GraphicsPipe *pipe, 
                      const string &name,
                      const FrameBufferProperties &fb_prop,
                      const WindowProperties &win_prop,
                      int flags,
                      GraphicsStateGuardian *gsg,
                      GraphicsOutput *host);
  virtual ~TinyXGraphicsWindow();

  virtual bool move_pointer(int device, int x, int y);
  virtual bool begin_frame(FrameMode mode, Thread *current_thread);
  virtual void end_frame(FrameMode mode, Thread *current_thread);
  virtual void begin_flip();
  virtual bool supports_pixel_zoom() const;

  virtual void process_events();
  virtual void set_properties_now(WindowProperties &properties);

protected:
  virtual void close_window();
  virtual bool open_window();
  virtual void pixel_factor_changed();

private:
  void set_wm_properties(const WindowProperties &properties,
                         bool already_mapped);

  void setup_colormap(XVisualInfo *visual);
  void handle_keystroke(XKeyEvent &event);
  void handle_keypress(XKeyEvent &event);
  void handle_keyrelease(XKeyEvent &event);

  ButtonHandle get_button(XKeyEvent &key_event, bool allow_shift);
  ButtonHandle map_button(KeySym key);
  ButtonHandle get_mouse_button(XButtonEvent &button_event);

  static Bool check_event(Display *display, XEvent *event, char *arg);

  void open_raw_mice();
  void poll_raw_mice();

  void create_full_frame_buffer();
  void create_reduced_frame_buffer();
  void create_ximage();
  
private:
  ZBuffer *_reduced_frame_buffer;
  ZBuffer *_full_frame_buffer;
  int _pitch;
  XImage *_ximage;

  Display *_display;
  int _screen;
  Visual *_visual;
  int _depth;
  int _bytes_per_pixel;
  Window _xwindow;
  Colormap _colormap;
  XIC _ic;
  GC _gc;

  long _event_mask;
  bool _awaiting_configure;
  Atom _wm_delete_window;
  Atom _net_wm_window_type;
  Atom _net_wm_window_type_splash;
  Atom _net_wm_window_type_fullscreen;
  Atom _net_wm_state;
  Atom _net_wm_state_fullscreen;
  Atom _net_wm_state_above;
  Atom _net_wm_state_below;
  Atom _net_wm_state_add;
  Atom _net_wm_state_remove;

  struct MouseDeviceInfo {
    int    _fd;
    int    _input_device_index;
    string _io_buffer;
  };
  pvector<MouseDeviceInfo> _mouse_device_info;
  
public:
  static TypeHandle get_class_type() {
    return _type_handle;
  }
  static void init_type() {
    GraphicsWindow::init_type();
    register_type(_type_handle, "TinyXGraphicsWindow",
                  GraphicsWindow::get_class_type());
  }
  virtual TypeHandle get_type() const {
    return get_class_type();
  }
  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}

private:
  static TypeHandle _type_handle;
};

#include "tinyXGraphicsWindow.I"

#endif  // HAVE_X11

#endif