gui_buttons.cxx

   1 //  $Id: gui_buttons.cxx,v 1.16 2003/07/26 16:34:57 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 #include <iostream>
  21 #include "graphic_context.hxx"
  22 #include "controller.hxx"
  23 #include "colors.hxx"
  24 #include "world_gui_manager.hxx"
  25 #include "gui_buttons.hxx"
  26 #include "screen_manager.hxx"
  27 #include "worldview_component.hxx"
  28
  29 #define BUTTON_POS(n) (80 + n * 30)
  30 #define BUTTON_WIDTH  75
  31 #define BUTTON_HEIGHT 25
  32
  33 GUIButton::GUIButton (const std::string& title_,
  34                       int x_pos_, int y_pos_, int width_, int height_)
  35   : GUIComponent (x_pos_, y_pos_, width_, height_),
  36     title (title_)
  37 {
  38   mouse_over = false;
  39   pressed    = false;
  40 }
  41
  42 void
  43 GUIButton::on_mouse_enter ()
  44 {
  45   mouse_over = true;
  46 }
  47
  48 void
  49 GUIButton::on_mouse_leave ()
  50 {
  51   mouse_over = false;
  52 }
  53
  54 void
  55 GUIButton::on_primary_button_press (int x, int y)
  56 {
  57   WorldGUIManager::instance()->grab_mouse (this);
  58   pressed = true;
  59 }
  60
  61 void
  62 GUIButton::on_primary_button_release (int x, int y)
  63 {
  64   WorldGUIManager::instance()->ungrab_mouse (this);
  65   if (is_at (x, y))
  66     on_click ();
  67   pressed = false;
  68 }
  69
  70 void
  71 GUIButton::draw (GraphicContext* gc)
  72 {
  73   if (pressed && mouse_over)
  74     {
  75       gc->draw_fill_rect (x_pos, y_pos, x_pos + width,  y_pos + height, Colors::button_bg_pressed);
  76     }
  77   else if (mouse_over)
  78     {
  79       gc->draw_fill_rect (x_pos, y_pos, x_pos + width,  y_pos + height, Colors::button_bg_hover);
  80     }
  81   else
  82     {
  83       gc->draw_fill_rect (x_pos, y_pos, x_pos + width,  y_pos + height, Colors::button_bg_passive);
  84     }
  85
  86   draw_content (gc);
  87
  88   if (pressed && mouse_over)
  89     {
  90       draw_border_pressed (gc);
  91     }
  92   else if (mouse_over)
  93     {
  94       draw_border_hover (gc);
  95     }
  96   else
  97     {
  98       draw_border_normal (gc);
  99     }
 100 }
 101
 102 void
 103 GUIButton::draw_content (GraphicContext* gc)
 104 {
 105   gc->draw_string_centered (x_pos + width/2, y_pos + 16, title);
 106 }
 107
 108 void
 109 GUIButton::draw_border_hover(GraphicContext* gc)
 110 {
 111   gc->draw_rect (x_pos, y_pos,
 112                  x_pos + width, y_pos + height, Colors::button_fg_hover);
 113 }
 114
 115 void
 116 GUIButton::draw_border_pressed(GraphicContext* gc)
 117 {
 118   gc->draw_rect (x_pos, y_pos,
 119                  x_pos + width, y_pos + height, Colors::button_fg_pressed);
 120 }
 121
 122 void
 123 GUIButton::draw_border_normal(GraphicContext* gc)
 124 {
 125   gc->draw_rect (x_pos, y_pos,
 126                  x_pos + width, y_pos + height, Colors::button_fg_passive);
 127 }
 128
 129 GUIRunButton::GUIRunButton ()
 130   : GUIButton ("Run", 10, BUTTON_POS(0), BUTTON_WIDTH, BUTTON_HEIGHT)
 131 {
 132 }
 133
 134 void
 135 GUIButton::on_click()
 136 {
 137   std::cout << "GUIButton: cliked (implement me)" << std::endl;
 138 }
 139
 140 void
 141 GUIRunButton::draw_content (GraphicContext* gc)
 142 {
 143   if ((!pressed || !mouse_over) && Controller::instance()->is_running ())
 144     gc->draw_fill_rect (x_pos, y_pos,
 145                    x_pos + width, y_pos + height, Colors::button_bg_active) ;
 146   /*
 147   gc->draw_line (x_pos, y_pos,
 148                 x_pos + width, y_pos + height,
 149                 Color (0x0000FFFF));
 150
 151   gc->draw_line (x_pos + width, y_pos,
 152                 x_pos, y_pos + height,
 153                 Color (0x0000FFFF));
 154   */
 155   GUIButton::draw_content (gc);
 156 }
 157
 158 void
 159 GUIRunButton::on_click()
 160 {
 161   std::cout << "Button pressed" << std::endl;
 162   Controller::instance()->start_simulation ();
 163 }
 164
 165 GUISlowMoButton::GUISlowMoButton ()
 166   : GUIButton ("SlowMotion", 10, BUTTON_POS(1), BUTTON_WIDTH, BUTTON_HEIGHT)
 167 {
 168
 169 }
 170
 171 void
 172 GUISlowMoButton::on_click()
 173 {
 174   Controller::instance()->set_slow_down (!Controller::instance()->slow_down_active ());
 175 }
 176
 177 void
 178 GUISlowMoButton::draw_content (GraphicContext* gc)
 179 {
 180   if (Controller::instance()->slow_down_active())
 181     gc->draw_fill_rect (x_pos, y_pos,
 182                         x_pos + width, y_pos + height, Colors::button_bg_active);
 183
 184   GUIButton::draw_content (gc);
 185 }
 186
 187 GUIZoomInButton::GUIZoomInButton ()
 188   : GUIButton ("Zoom In", 10, BUTTON_POS(2), BUTTON_WIDTH, BUTTON_HEIGHT)
 189 {
 190 }
 191
 192 void
 193 GUIZoomInButton::on_click()
 194 {
 195   WorldViewComponent::instance()->wheel_up (400,300);
 196 }
 197
 198
 199 GUIZoomOutButton::GUIZoomOutButton ()
 200   : GUIButton ("Zoom Out", 10, BUTTON_POS(3), BUTTON_WIDTH, BUTTON_HEIGHT)
 201 {
 202 }
 203
 204 void
 205 GUIZoomOutButton::on_click()
 206 {
 207   WorldViewComponent::instance()->wheel_down (400,300);
 208 }
 209
 210 GUIQuitButton::GUIQuitButton ()
 211   : GUIButton ("Quit", 10, BUTTON_POS(12), BUTTON_WIDTH, BUTTON_HEIGHT)
 212 {
 213 }
 214
 215 void
 216 GUIQuitButton::on_click()
 217 {
 218   ScreenManager::instance()->quit();
 219 }
 220
 221
 222 GUILoadButton::GUILoadButton ()
 223   : GUIButton ("Load", 10, BUTTON_POS(9), BUTTON_WIDTH, BUTTON_HEIGHT)
 224 {
 225 }
 226
 227 void
 228 GUILoadButton::on_click()
 229 {
 230   ScreenManager::instance()->set_gui(ScreenManager::LOAD_GUI);
 231 }
 232
 233 /* EOF */