gui_manager.hxx

   1 //  $Id: gui_manager.hxx,v 1.16 2003/07/24 10:10:02 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_MANAGER_HXX
  21 #define HEADER_CONSTRUO_GUI_MANAGER_HXX
  22
  23 #include <vector>
  24
  25 class GUIComponent;
  26 struct ButtonEvent;
  27
  28 /** The GUIManager is basically the place where the main loop runs */
  29 class GUIManager
  30 {
  31 private:
  32   unsigned int frame_count;
  33   unsigned int start_time;
  34
  35   /** component where the mouse is currently over */
  36   GUIComponent* last_component;
  37   GUIComponent* current_component;
  38
  39   GUIComponent* grabbing_component;
  40
  41   int last_x;
  42   int last_y;
  43
  44   /** A collection of GUI components aka widgets */
  45   typedef std::vector<GUIComponent*> ComponentLst;
  46   ComponentLst components;
  47
  48   void process_events ();
  49   void process_button_events (ButtonEvent&);
  50   GUIComponent* find_component_at (int, int);
  51 public:
  52   GUIManager ();
  53   virtual ~GUIManager ();
  54
  55   /** Launches a single run from the games main loop */
  56   virtual void run_once ();
  57
  58   /** Draw all the GUI components */
  59   void draw ();
  60   virtual void update() {}
  61
  62   virtual void draw_overlay () {}
  63
  64   /** Stops the GUIManager */
  65   void quit();
  66
  67   /** add a GUIComponent, the component will get deleted after in the
  68       destruction of the guimanager */
  69   void add (GUIComponent*);
  70
  71   void grab_mouse (GUIComponent*);
  72   void ungrab_mouse (GUIComponent*);
  73 };
  74
  75 #endif
  76
  77 /* EOF */