src/ui/checkbox.cpp

   1 /*
   2  * Copyright (C) Volition, Inc. 1999.  All rights reserved.
   3  *
   4  * All source code herein is the property of Volition, Inc. You may not sell
   5  * or otherwise commercially exploit the source or things you created based on
   6  * the source.
   7  */
   8
   9 /*
  10  * $Logfile: /Freespace2/code/UI/CHECKBOX.cpp $
  11  * $Revision$
  12  * $Date$
  13  * $Author$
  14  *
  15  * Code to handle checkboxes.
  16  *
  17  * $Log$
  18  * Revision 1.2  2002/06/09 04:41:29  relnev
  19  * added copyright header
  20  *
  21  * Revision 1.1.1.1  2002/05/03 03:28:11  root
  22  * Initial import.
  23  *
  24  *
  25  * 5     2/11/99 3:08p Dave
  26  * PXO refresh button. Very preliminary squad war support.
  27  *
  28  * 4     12/02/98 5:47p Dave
  29  * Put in interface xstr code. Converted barracks screen to new format.
  30  *
  31  * 3     10/13/98 9:29a Dave
  32  * Started neatening up freespace.h. Many variables renamed and
  33  * reorganized. Added AlphaColors.[h,cpp]
  34  *
  35  * 2     10/07/98 10:54a Dave
  36  * Initial checkin.
  37  *
  38  * 1     10/07/98 10:51a Dave
  39  *
  40  * 9     2/03/98 4:21p Hoffoss
  41  * Made UI controls draw white text when disabled.
  42  *
  43  * 8     1/14/98 6:43p Hoffoss
  44  * Massive changes to UI code.  A lot cleaner and better now.  Did all
  45  * this to get the new UI_DOT_SLIDER to work properly, which the old code
  46  * wasn't flexible enough to handle.
  47  *
  48  * 7     9/07/97 10:05p Lawrance
  49  * don't set hotspot_num, done in gadget constructor
  50  *
  51  * 6     6/12/97 12:39p John
  52  * made ui use freespace colors
  53  *
  54  * 5     6/11/97 1:13p John
  55  * Started fixing all the text colors in the game.
  56  *
  57  * 4     5/22/97 5:36p Lawrance
  58  * allowing custom art for scrollbars
  59  *
  60  * 3     12/08/96 1:58a Lawrance
  61  * changed text color for check-box from black to green
  62  *
  63  * 2     11/29/96 6:08p Lawrance
  64  * enabled check-boxes to be set to a specific value outside of the
  65  * create() function
  66  *
  67  * 1     11/14/96 6:55p John
  68  *
  69  * $NoKeywords: $
  70  */
  71
  72 #include "uidefs.h"
  73 #include "ui.h"
  74 #include "alphacolors.h"
  75
  76 void UI_CHECKBOX::create(UI_WINDOW *wnd, char *_text, int _x, int _y, int _state )
  77 {
  78         int _w, _h;
  79
  80 //      gr_get_string_size( &_w, &_h, "X" );
  81         _w = 18;
  82         _h = 18;
  83
  84         if ( _text )
  85                 text = strdup( _text );
  86         else
  87                 text = NULL;
  88
  89         base_create( wnd, UI_KIND_CHECKBOX, _x, _y, _w, _h );
  90
  91         position = 0;
  92         pressed_down = 0;
  93         flag = _state;
  94 };
  95
  96 void UI_CHECKBOX::destroy()
  97 {
  98         if (text)
  99                 free(text);
 100
 101         UI_GADGET::destroy();
 102 }
 103
 104
 105 void UI_CHECKBOX::draw()
 106 {
 107         int offset;
 108
 109         if ( uses_bmaps ) {
 110
 111                 if ( disabled_flag ) {
 112                         if ( flag ) {
 113                                 if ( bmap_ids[CBOX_DISABLED_MARKED] != -1 ) {
 114                                         gr_set_bitmap(bmap_ids[CBOX_DISABLED_MARKED]);
 115                                         gr_bitmap(x,y);
 116                                 }
 117                         }
 118                         else {
 119                                 if ( bmap_ids[CBOX_DISABLED_CLEAR] != -1 ) {
 120                                         gr_set_bitmap(bmap_ids[CBOX_DISABLED_CLEAR]);
 121                                         gr_bitmap(x,y);
 122                                 }
 123                         }
 124                 }
 125                 else {          // not disabled
 126                         if ( position == 0 )    {       // up
 127                                 if ( flag ) {                   // marked
 128                                         if ( bmap_ids[CBOX_UP_MARKED] != -1 ) {
 129                                                 gr_set_bitmap(bmap_ids[CBOX_UP_MARKED]);
 130                                                 gr_bitmap(x,y);
 131                                         }
 132                                 }
 133                                 else {                                  // not marked
 134                                         if ( bmap_ids[CBOX_UP_CLEAR] != -1 ) {
 135                                                 gr_set_bitmap(bmap_ids[CBOX_UP_CLEAR]);
 136                                                 gr_bitmap(x,y);
 137                                         }
 138                                 }
 139                         }
 140                         else {                                          // down
 141                                 if ( flag ) {                   // marked
 142                                         if ( bmap_ids[CBOX_DOWN_MARKED] != -1 ) {
 143                                                 gr_set_bitmap(bmap_ids[CBOX_DOWN_MARKED]);
 144                                                 gr_bitmap(x,y);
 145                                         }
 146                                 }
 147                                 else {                                  // not marked
 148                                         if ( bmap_ids[CBOX_DOWN_CLEAR] != -1 ) {
 149                                                 gr_set_bitmap(bmap_ids[CBOX_DOWN_CLEAR]);
 150                                                 gr_bitmap(x,y);
 151                                         }
 152                                 }
 153                         }
 154                 }
 155
 156         } else {
 157                 gr_set_font(my_wnd->f_id);
 158                 gr_set_clip( x, y, w, h );
 159
 160                 if (position == 0 )     {
 161                         ui_draw_box_out( 0, 0, w-1, h-1 );
 162                         offset = 0;
 163
 164                 } else {
 165                         ui_draw_box_in( 0, 0, w-1, h-1 );
 166                         offset = 1;
 167                 }
 168
 169                 if (disabled_flag)
 170                         gr_set_color_fast( &CGRAY );
 171                 else if (my_wnd->selected_gadget == this)
 172                         gr_set_color_fast( &CBRIGHT_GREEN );
 173                 else
 174                         gr_set_color_fast( &CGREEN );
 175
 176                 if (flag)
 177                         ui_string_centered( Middle(w) + offset, Middle(h) + offset, "X" );
 178                 else
 179                         ui_string_centered( Middle(w) + offset, Middle(h) + offset, " " );
 180
 181                 if (text) {
 182                         gr_reset_clip();
 183                         gr_string( x+w+4, y+2, text );
 184                 }
 185         }
 186 }
 187
 188 void UI_CHECKBOX::process(int focus)
 189 {
 190         int OnMe, oldposition;
 191
 192         if (disabled_flag) {
 193                 position = 0;
 194                 return;
 195         }
 196
 197         if (my_wnd->selected_gadget == this)
 198                 focus = 1;
 199
 200         OnMe = is_mouse_on();
 201
 202         oldposition = position;
 203
 204         if ( B1_PRESSED && OnMe ) {
 205                 position = 1;
 206         } else  {
 207                 position = 0;
 208         }
 209
 210         if (my_wnd->keypress == hotkey )        {
 211                 position = 2;
 212                 my_wnd->last_keypress = 0;
 213         }
 214
 215         if ( focus && ((my_wnd->keypress == KEY_SPACEBAR) || (my_wnd->keypress == KEY_ENTER)) )
 216                 position = 2;
 217
 218         if (focus)
 219                 if ( (oldposition == 2) && (keyd_pressed[KEY_SPACEBAR] || keyd_pressed[KEY_ENTER]) )
 220                         position = 2;
 221
 222         pressed_down = 0;
 223
 224         if (position == 0) {
 225                 if ( (oldposition == 1) && OnMe ){
 226                         pressed_down = 1;
 227                 }
 228                 if ( (oldposition == 2) && focus ){
 229                         pressed_down = 1;
 230                 }
 231         }
 232
 233         if (pressed_down && user_function )     {
 234                 user_function();
 235         }
 236
 237         if (pressed_down)
 238                 flag = !flag;
 239 }
 240
 241 int UI_CHECKBOX::changed()
 242 {
 243         return pressed_down;
 244 }
 245
 246 int UI_CHECKBOX::checked()
 247 {
 248         return flag;
 249 }
 250
 251 void UI_CHECKBOX::set_state(int _state)
 252 {
 253         flag = _state;
 254 }
 255