x11_display.hxx

   1 //  $Id: x11_display.hxx,v 1.25 2003/07/28 21:03:22 grumbel Exp $
   2 //
   3 //  Construo - A wire-frame construction game
   4 //  Copyright (C) 2002 Ingo Ruhnke <grumbel@gmx.de>
   5 //
   6 //  This program is free software; you can redistribute it and/or
   7 //  modify it under the terms of the GNU General Public License
   8 //  as published by the Free Software Foundation; either version 2
   9 //  of the License, or (at your option) any later version.
  10 //
  11 //  This program is distributed in the hope that it will be useful,
  12 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 //  GNU General Public License for more details.
  15 //
  16 //  You should have received a copy of the GNU General Public License
  17 //  along with this program; if not, write to the Free Software
  18 //  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19
  20 #ifndef HEADER_X11_DISPLAY_HXX
  21 #define HEADER_X11_DISPLAY_HXX
  22
  23 #include <X11/Xlib.h>
  24 #include <X11/Xutil.h>
  25
  26 #ifdef HAVE_LIBXXF86VM
  27 #  include <X11/extensions/xf86vmode.h>
  28 #endif
  29
  30 #include "cursors.hxx"
  31 #include "math.hxx"
  32 #include "root_graphic_context.hxx"
  33 #include "input_context.hxx"
  34
  35 #define X11_FULLSCREEN_MODE true
  36 #define X11_WINDOW_MODE     false
  37
  38 struct FlipRect
  39 {
  40   int x1;
  41   int y1;
  42   int x2;
  43   int y2;
  44 };
  45
  46 /** X11Display driver */
  47 class X11Display : public RootGraphicContext,
  48                    public InputContext
  49 {
  50 private:
  51   Cursor cursor_scroll;
  52   Pixmap cursor_scroll_pix;
  53   Pixmap cursor_scroll_mask;
  54
  55   Cursor cursor_zoom;
  56   Pixmap cursor_zoom_pix;
  57   Pixmap cursor_zoom_mask;
  58
  59   Cursor cursor_insert;
  60   Pixmap cursor_insert_pix;
  61   Pixmap cursor_insert_mask;
  62
  63   Cursor cursor_select;
  64   Pixmap cursor_select_pix;
  65   Pixmap cursor_select_mask;
  66
  67   Cursor cursor_collider;
  68   Pixmap cursor_collider_pix;
  69   Pixmap cursor_collider_mask;
  70
  71   bool doublebuffer;
  72 #ifdef HAVE_LIBXXF86VM
  73   XF86VidModeModeLine orig_modeline;
  74 #endif
  75   int orig_viewport_x;
  76   int orig_viewport_y;
  77   int orig_dotclock;
  78
  79   int       width;
  80   int       height;
  81   Display*  display;
  82   Window    window;
  83   Colormap  colormap;
  84   Drawable  drawable;
  85   GC        gc;
  86
  87   bool shift_pressed;
  88   int  mouse_x;
  89   int  mouse_y;
  90
  91   /** Color Depth of the Display */
  92   int depth;
  93
  94   /** true if display is in fullscreen mode, false for window mode */
  95   bool fullscreen;
  96
  97   std::vector<FlipRect> flip_rects;
  98   std::vector<FlipRect> last_flip_rects;
  99
 100   /** Save the current visual mode for later restoration after leaving
 101       fullscreen */
 102   void save_mode();
 103 public:
 104   X11Display (int w, int h, bool fullscreen_);
 105   virtual ~X11Display ();
 106
 107   // Graphic Context stuff
 108   void draw_lines (std::vector<Line>& lines, Color color, int wide = 0);
 109   void draw_line(float x1, float y1, float x2, float y2, Color color, int wide = 0);
 110   void draw_rect(float x1, float y1, float x2, float y2, Color color);
 111   void draw_fill_rect(float x1, float y1, float x2, float y2, Color color);
 112   void draw_circle(float x, float y, float r, Color color);
 113   void draw_circles(std::vector<Circle>& circles, Color color);
 114
 115   void draw_fill_circle(float x, float y, float r, Color color);
 116   void draw_string(float x, float y, const std::string& str, Color color);
 117   void draw_string_centered(float x, float y, const std::string& str, Color color);
 118
 119   int get_width () { return width; }
 120   int get_height () { return height; }
 121
 122   void toggle_fullscreen();
 123
 124   void clear ();
 125
 126   /** Flip the double buffered display */
 127   void flip ();
 128
 129   void enter_fullscreen();
 130   void leave_fullscreen();
 131
 132   /** perform the real flip, only flip marked reagions */
 133   void real_flip ();
 134
 135   void flip (int x1, int y1, int x2, int y2);
 136
 137   // Input Context stuff
 138   int get_mouse_x ();
 139   int get_mouse_y ();
 140
 141   bool get_key (int key);
 142
 143   /** Waits for events to come in, blocks until new events are available */
 144   void wait_for_events_blocking ();
 145
 146   void wait_for_events ();
 147
 148   void run();
 149
 150   void set_clip_rect (int x1_, int y1_, int x2_, int y2_);
 151
 152   unsigned int get_color_value(const Color& color);
 153   XColor get_xcolor(const Color& color);
 154
 155   void set_cursor_real(CursorType cursor);
 156 private:
 157   bool read_event ();
 158   void send_button_press (int i);
 159   void send_button_release (int i);
 160   void send_load_or_save(int n);
 161
 162   X11Display (const X11Display&);
 163   X11Display& operator= (const X11Display&);
 164 };
 165
 166 #endif
 167
 168 /* EOF */