worldview_zoom_tool.hxx

   1 //  $Id: worldview_zoom_tool.hxx,v 1.5 2003/07/24 10:10:02 grumbel Exp $
   2 //
   3 //  Construo - A wire-frame construction gamee
   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_WORLDVIEW_ZOOM_TOOL_HXX
  21 #define HEADER_WORLDVIEW_ZOOM_TOOL_HXX
  22
  23 #include "vector2d.hxx"
  24 #include "worldview_tool.hxx"
  25
  26 /** */
  27 class WorldViewZoomTool : public WorldViewTool
  28 {
  29 private:
  30   /** Position of the mouse click, click_pos and the button_release
  31       pos form the rectangle. click_pos is in world coordinates */
  32   Vector2d click_pos;
  33
  34   /** true if we are currently creating the zoom rectangle and
  35       click_pos is set, false otherwise */
  36   bool creating_zoom_rectangle;
  37 public:
  38   WorldViewZoomTool ();
  39   ~WorldViewZoomTool ();
  40
  41   void activate ();
  42
  43   void draw_foreground (ZoomGraphicContext* gc);
  44   void draw_background (ZoomGraphicContext* gc) {}
  45
  46   void on_primary_button_press (int x, int y);
  47   void on_primary_button_release (int x, int y);
  48
  49   void on_secondary_button_press (int x, int y);
  50   void on_secondary_button_release (int x, int y);
  51 };
  52
  53 #endif
  54
  55 /* EOF */