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gui_buttons.cxx

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00001 //  $Id: gui_buttons.cxx,v 1.14 2003/01/11 16:11:36 grumbel Exp $
00002 //
00003 //  Construo - A wire-frame construction game
00004 //  Copyright (C) 2002 Ingo Ruhnke <[email protected]>
00005 //
00006 //  This program is free software; you can redistribute it and/or
00007 //  modify it under the terms of the GNU General Public License
00008 //  as published by the Free Software Foundation; either version 2
00009 //  of the License, or (at your option) any later version.
00010 //
00011 //  This program is distributed in the hope that it will be useful,
00012 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014 //  GNU General Public License for more details.
00015 //
00016 //  You should have received a copy of the GNU General Public License
00017 //  along with this program; if not, write to the Free Software
00018 //  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
00019 
00020 #include <iostream>
00021 #include "graphic_context.hxx"
00022 #include "controller.hxx"
00023 #include "colors.hxx"
00024 #include "world_gui_manager.hxx"
00025 #include "gui_buttons.hxx"
00026 #include "screen_manager.hxx"
00027 #include "worldview_component.hxx"
00028 
00029 #define BUTTON_POS(n) (75 + n * 30)
00030 #define BUTTON_WIDTH  75
00031 #define BUTTON_HEIGHT 25
00032 
00033 GUIButton::GUIButton (const std::string& title_,
00034                       int x_pos_, int y_pos_, int width_, int height_)
00035   : GUIComponent (x_pos_, y_pos_, width_, height_),
00036     title (title_)
00037 {
00038   mouse_over = false;
00039   pressed    = false;
00040 }
00041 
00042 void
00043 GUIButton::on_mouse_enter ()
00044 {
00045   mouse_over = true;
00046 }
00047 
00048 void
00049 GUIButton::on_mouse_leave ()
00050 {
00051   mouse_over = false;
00052 }
00053 
00054 void
00055 GUIButton::on_primary_button_press (int x, int y)
00056 {
00057   WorldGUIManager::instance()->grab_mouse (this);
00058   pressed = true;
00059 }
00060 
00061 void
00062 GUIButton::on_primary_button_release (int x, int y)
00063 {
00064   WorldGUIManager::instance()->ungrab_mouse (this);
00065   if (is_at (x, y))
00066     on_click ();
00067   pressed = false;
00068 }
00069 
00070 void
00071 GUIButton::draw (GraphicContext* gc)
00072 {
00073   if (pressed && mouse_over)
00074     {
00075       gc->draw_fill_rect (x_pos, y_pos, x_pos + width,  y_pos + height, Colors::button_bg_pressed);
00076     }
00077   else if (mouse_over)
00078     {
00079       gc->draw_fill_rect (x_pos, y_pos, x_pos + width,  y_pos + height, Colors::button_bg_hover);
00080     }
00081   else
00082     {
00083       gc->draw_fill_rect (x_pos, y_pos, x_pos + width,  y_pos + height, Colors::button_bg_passive);
00084     }
00085 
00086   draw_content (gc);
00087 
00088   if (pressed && mouse_over)
00089     {
00090       draw_border_pressed (gc);
00091     }
00092   else if (mouse_over)
00093     {
00094       draw_border_hover (gc);
00095     }
00096   else
00097     {
00098       draw_border_normal (gc);
00099     }
00100 }
00101 
00102 void
00103 GUIButton::draw_content (GraphicContext* gc)
00104 {
00105   gc->draw_string_centered (x_pos + width/2, y_pos + 16, title);
00106 }
00107 
00108 void
00109 GUIButton::draw_border_hover(GraphicContext* gc)
00110 {
00111   gc->draw_rect (x_pos, y_pos,
00112                  x_pos + width, y_pos + height, Colors::button_fg_hover);
00113 }
00114 
00115 void
00116 GUIButton::draw_border_pressed(GraphicContext* gc)
00117 {
00118   gc->draw_rect (x_pos, y_pos,
00119                  x_pos + width, y_pos + height, Colors::button_fg_pressed);
00120 }
00121 
00122 void
00123 GUIButton::draw_border_normal(GraphicContext* gc)
00124 {   
00125   gc->draw_rect (x_pos, y_pos,
00126                  x_pos + width, y_pos + height, Colors::button_fg_passive);
00127 }
00128 
00129 GUIRunButton::GUIRunButton ()
00130   : GUIButton ("Run", 10, BUTTON_POS(0), BUTTON_WIDTH, BUTTON_HEIGHT)
00131 {
00132 }
00133 
00134 void
00135 GUIButton::on_click()
00136 {
00137   std::cout << "GUIButton: cliked (implement me)" << std::endl;
00138 }
00139 
00140 void
00141 GUIRunButton::draw_content (GraphicContext* gc)
00142 {
00143   if ((!pressed || !mouse_over) && Controller::instance()->is_running ())
00144     gc->draw_fill_rect (x_pos, y_pos,
00145                    x_pos + width, y_pos + height, Colors::button_bg_active) ;
00146   /*
00147   gc->draw_line (x_pos, y_pos,
00148                 x_pos + width, y_pos + height,
00149                 Color (0x0000FFFF));
00150 
00151   gc->draw_line (x_pos + width, y_pos,
00152                 x_pos, y_pos + height,
00153                 Color (0x0000FFFF));
00154   */
00155   GUIButton::draw_content (gc);
00156 }
00157 
00158 void
00159 GUIRunButton::on_click()
00160 {
00161   std::cout << "Button pressed" << std::endl;
00162   Controller::instance()->start_simulation ();
00163 }
00164 
00165 GUISlowMoButton::GUISlowMoButton ()
00166   : GUIButton ("SlowMotion", 10, BUTTON_POS(1), BUTTON_WIDTH, BUTTON_HEIGHT)
00167 {
00168   
00169 }
00170 
00171 void
00172 GUISlowMoButton::on_click()
00173 {
00174   Controller::instance()->set_slow_down (!Controller::instance()->slow_down_active ());
00175 }
00176 
00177 void
00178 GUISlowMoButton::draw_content (GraphicContext* gc)
00179 {
00180   if (Controller::instance()->slow_down_active())
00181     gc->draw_fill_rect (x_pos, y_pos,
00182                         x_pos + width, y_pos + height, Colors::button_bg_active);
00183 
00184   GUIButton::draw_content (gc);
00185 }
00186 
00187 GUIZoomInButton::GUIZoomInButton ()
00188   : GUIButton ("Zoom In", 10, BUTTON_POS(2), BUTTON_WIDTH, BUTTON_HEIGHT)
00189 {  
00190 }
00191 
00192 void
00193 GUIZoomInButton::on_click()
00194 {
00195   WorldViewComponent::instance()->wheel_up (400,300);
00196 }
00197 
00198 
00199 GUIZoomOutButton::GUIZoomOutButton ()
00200   : GUIButton ("Zoom Out", 10, BUTTON_POS(3), BUTTON_WIDTH, BUTTON_HEIGHT)
00201 {  
00202 }
00203 
00204 void
00205 GUIZoomOutButton::on_click()
00206 {
00207   WorldViewComponent::instance()->wheel_down (400,300); 
00208 }
00209 
00210 GUIQuitButton::GUIQuitButton ()
00211   : GUIButton ("Quit", 10, BUTTON_POS(11), BUTTON_WIDTH, BUTTON_HEIGHT)
00212 {
00213 }
00214 
00215 void
00216 GUIQuitButton::on_click()
00217 {
00218   ScreenManager::instance()->quit();
00219 }
00220 
00221 
00222 GUILoadButton::GUILoadButton ()
00223   : GUIButton ("Load", 10, BUTTON_POS(8), BUTTON_WIDTH, BUTTON_HEIGHT)
00224 {
00225 }
00226 
00227 void
00228 GUILoadButton::on_click()
00229 {
00230   ScreenManager::instance()->set_gui(ScreenManager::LOAD_GUI);
00231 }
00232 
00233 /* EOF */

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