gui_component.hxx

   1 //  $Id: gui_component.hxx,v 1.14 2003/07/28 22:46:48 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_CONSTRUO_GUI_COMPONENT_HXX
  21 #define HEADER_CONSTRUO_GUI_COMPONENT_HXX
  22
  23 class GraphicContext;
  24 class GUIManager;
  25
  26 /** A thing that is under the controll of the GUIManager */
  27 class GUIComponent
  28 {
  29 protected:
  30   int x_pos;
  31   int y_pos;
  32   int width;
  33   int height;
  34
  35 public:
  36   GUIComponent (int x_, int y_, int width_, int height_)
  37     : x_pos (x_), y_pos (y_), width (width_), height (height_)
  38   {}
  39
  40   virtual ~GUIComponent () {}
  41
  42   virtual void draw (GraphicContext* gc) =0;
  43
  44   /** @return true if the component is present at the given location */
  45   virtual bool is_at (int x, int y);
  46
  47   void set_position (int x, int y) { x_pos = x, y_pos = y; }
  48   void set_width (int w) { width = w; }
  49   void set_height (int h) { height = h; }
  50   int  get_x_pos () { return x_pos; }
  51   int  get_y_pos () { return y_pos; }
  52   int  get_width () { return width; }
  53   int  get_height () { return height; }
  54
  55   virtual void on_primary_button_press (int x, int y) {}
  56   virtual void on_primary_button_release (int x, int y) {}
  57
  58   virtual void on_secondary_button_press (int x, int y) {}
  59   virtual void on_secondary_button_release (int x, int y) {}
  60
  61   virtual void on_tertiary_button_press (int x, int y) {}
  62   virtual void on_tertiary_button_release (int x, int y) {}
  63
  64   // FIXME: Join these under some generic event handling, like:
  65   // void on_button_press(int button_id, int x, int y);
  66   virtual void on_scale_press(int x, int y) {}
  67   virtual void on_grid_press(int x, int y) {}
  68   virtual void on_duplicate_press (int x, int y) {}
  69   virtual void on_delete_press (int x, int y) {}
  70   virtual void on_fix_press (int x, int y) {}
  71   virtual void on_join_press (int x, int y) {}
  72
  73   virtual void on_mouse_enter () {}
  74   virtual void on_mouse_leave () {}
  75
  76   virtual void wheel_up (int x, int y) {}
  77   virtual void wheel_down (int x, int y) {}
  78
  79   virtual void on_button_press (int button_id, int x, int y) {}
  80
  81   virtual void scroll_left () {}
  82   virtual void scroll_right () {}
  83   virtual void scroll_up () {}
  84   virtual void scroll_down () {}
  85
  86   virtual void on_mouse_move (int x, int y, int of_x, int of_y) {}
  87 };
  88
  89 #endif
  90
  91 /* EOF */