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 1.3  2004/09/20 01:31:45  theoddone33
  19  * GCC 3.4 fixes.
  20  *
  21  * Revision 1.2  2002/06/09 04:41:29  relnev
  22  * added copyright header
  23  *
  24  * Revision 1.1.1.1  2002/05/03 03:28:11  root
  25  * Initial import.
  26  *
  27  *
  28  * 5     2/11/99 3:08p Dave
  29  * PXO refresh button. Very preliminary squad war support.
  30  *
  31  * 4     12/02/98 5:47p Dave
  32  * Put in interface xstr code. Converted barracks screen to new format.
  33  *
  34  * 3     10/13/98 9:29a Dave
  35  * Started neatening up freespace.h. Many variables renamed and
  36  * reorganized. Added AlphaColors.[h,cpp]
  37  *
  38  * 2     10/07/98 10:54a Dave
  39  * Initial checkin.
  40  *
  41  * 1     10/07/98 10:51a Dave
  42  *
  43  * 9     2/03/98 4:21p Hoffoss
  44  * Made UI controls draw white text when disabled.
  45  *
  46  * 8     1/14/98 6:43p Hoffoss
  47  * Massive changes to UI code.  A lot cleaner and better now.  Did all
  48  * this to get the new UI_DOT_SLIDER to work properly, which the old code
  49  * wasn't flexible enough to handle.
  50  *
  51  * 7     9/07/97 10:05p Lawrance
  52  * don't set hotspot_num, done in gadget constructor
  53  *
  54  * 6     6/12/97 12:39p John
  55  * made ui use freespace colors
  56  *
  57  * 5     6/11/97 1:13p John
  58  * Started fixing all the text colors in the game.
  59  *
  60  * 4     5/22/97 5:36p Lawrance
  61  * allowing custom art for scrollbars
  62  *
  63  * 3     12/08/96 1:58a Lawrance
  64  * changed text color for check-box from black to green
  65  *
  66  * 2     11/29/96 6:08p Lawrance
  67  * enabled check-boxes to be set to a specific value outside of the
  68  * create() function
  69  *
  70  * 1     11/14/96 6:55p John
  71  *
  72  * $NoKeywords: $
  73  */
  74
  75 #include "uidefs.h"
  76 #include "ui.h"
  77 #include "alphacolors.h"
  78
  79 void UI_CHECKBOX::create(UI_WINDOW *wnd, const char *_text, int _x, int _y, int _state )
  80 {
  81         int _w, _h;
  82
  83 //      gr_get_string_size( &_w, &_h, "X" );
  84         _w = 18;
  85         _h = 18;
  86
  87         if ( _text )
  88                 text = strdup( _text );
  89         else
  90                 text = NULL;
  91
  92         base_create( wnd, UI_KIND_CHECKBOX, _x, _y, _w, _h );
  93
  94         position = 0;
  95         pressed_down = 0;
  96         flag = _state;
  97 };
  98
  99 void UI_CHECKBOX::destroy()
 100 {
 101         if (text)
 102                 free(text);
 103
 104         UI_GADGET::destroy();
 105 }
 106
 107
 108 void UI_CHECKBOX::draw()
 109 {
 110         int offset;
 111
 112         if ( uses_bmaps ) {
 113
 114                 if ( disabled_flag ) {
 115                         if ( flag ) {
 116                                 if ( bmap_ids[CBOX_DISABLED_MARKED] != -1 ) {
 117                                         gr_set_bitmap(bmap_ids[CBOX_DISABLED_MARKED], GR_ALPHABLEND_NONE, GR_BITBLT_MODE_NORMAL, 1.0f, -1, -1);
 118                                         gr_bitmap(x,y);
 119                                 }
 120                         }
 121                         else {
 122                                 if ( bmap_ids[CBOX_DISABLED_CLEAR] != -1 ) {
 123                                         gr_set_bitmap(bmap_ids[CBOX_DISABLED_CLEAR], GR_ALPHABLEND_NONE, GR_BITBLT_MODE_NORMAL, 1.0f, -1, -1);
 124                                         gr_bitmap(x,y);
 125                                 }
 126                         }
 127                 }
 128                 else {          // not disabled
 129                         if ( position == 0 )    {       // up
 130                                 if ( flag ) {                   // marked
 131                                         if ( bmap_ids[CBOX_UP_MARKED] != -1 ) {
 132                                                 gr_set_bitmap(bmap_ids[CBOX_UP_MARKED], GR_ALPHABLEND_NONE, GR_BITBLT_MODE_NORMAL, 1.0f, -1, -1);
 133                                                 gr_bitmap(x,y);
 134                                         }
 135                                 }
 136                                 else {                                  // not marked
 137                                         if ( bmap_ids[CBOX_UP_CLEAR] != -1 ) {
 138                                                 gr_set_bitmap(bmap_ids[CBOX_UP_CLEAR], GR_ALPHABLEND_NONE, GR_BITBLT_MODE_NORMAL, 1.0f, -1, -1);
 139                                                 gr_bitmap(x,y);
 140                                         }
 141                                 }
 142                         }
 143                         else {                                          // down
 144                                 if ( flag ) {                   // marked
 145                                         if ( bmap_ids[CBOX_DOWN_MARKED] != -1 ) {
 146                                                 gr_set_bitmap(bmap_ids[CBOX_DOWN_MARKED], GR_ALPHABLEND_NONE, GR_BITBLT_MODE_NORMAL, 1.0f, -1, -1);
 147                                                 gr_bitmap(x,y);
 148                                         }
 149                                 }
 150                                 else {                                  // not marked
 151                                         if ( bmap_ids[CBOX_DOWN_CLEAR] != -1 ) {
 152                                                 gr_set_bitmap(bmap_ids[CBOX_DOWN_CLEAR], GR_ALPHABLEND_NONE, GR_BITBLT_MODE_NORMAL, 1.0f, -1, -1);
 153                                                 gr_bitmap(x,y);
 154                                         }
 155                                 }
 156                         }
 157                 }
 158
 159         } else {
 160                 gr_set_font(my_wnd->f_id);
 161                 gr_set_clip( x, y, w, h );
 162
 163                 if (position == 0 )     {
 164                         ui_draw_box_out( 0, 0, w-1, h-1 );
 165                         offset = 0;
 166
 167                 } else {
 168                         ui_draw_box_in( 0, 0, w-1, h-1 );
 169                         offset = 1;
 170                 }
 171
 172                 if (disabled_flag)
 173                         gr_set_color_fast( &CGRAY );
 174                 else if (my_wnd->selected_gadget == this)
 175                         gr_set_color_fast( &CBRIGHT_GREEN );
 176                 else
 177                         gr_set_color_fast( &CGREEN );
 178
 179                 if (flag)
 180                         ui_string_centered( Middle(w) + offset, Middle(h) + offset, "X" );
 181                 else
 182                         ui_string_centered( Middle(w) + offset, Middle(h) + offset, " " );
 183
 184                 if (text) {
 185                         gr_reset_clip();
 186                         gr_string( x+w+4, y+2, text );
 187                 }
 188         }
 189 }
 190
 191 void UI_CHECKBOX::process(int focus)
 192 {
 193         int OnMe, oldposition;
 194
 195         if (disabled_flag) {
 196                 position = 0;
 197                 return;
 198         }
 199
 200         if (my_wnd->selected_gadget == this)
 201                 focus = 1;
 202
 203         OnMe = is_mouse_on();
 204
 205         oldposition = position;
 206
 207         if ( B1_PRESSED && OnMe ) {
 208                 position = 1;
 209         } else  {
 210                 position = 0;
 211         }
 212
 213         if (my_wnd->keypress == hotkey )        {
 214                 position = 2;
 215                 my_wnd->last_keypress = 0;
 216         }
 217
 218         if ( focus && ((my_wnd->keypress == KEY_SPACEBAR) || (my_wnd->keypress == KEY_ENTER)) )
 219                 position = 2;
 220
 221         if (focus)
 222                 if ( (oldposition == 2) && (keyd_pressed[KEY_SPACEBAR] || keyd_pressed[KEY_ENTER]) )
 223                         position = 2;
 224
 225         pressed_down = 0;
 226
 227         if (position == 0) {
 228                 if ( (oldposition == 1) && OnMe ){
 229                         pressed_down = 1;
 230                 }
 231                 if ( (oldposition == 2) && focus ){
 232                         pressed_down = 1;
 233                 }
 234         }
 235
 236         if (pressed_down && user_function )     {
 237                 user_function();
 238         }
 239
 240         if (pressed_down)
 241                 flag = !flag;
 242 }
 243
 244 int UI_CHECKBOX::changed()
 245 {
 246         return pressed_down;
 247 }
 248
 249 int UI_CHECKBOX::checked()
 250 {
 251         return flag;
 252 }
 253
 254 void UI_CHECKBOX::set_state(int _state)
 255 {
 256         flag = _state;
 257 }
 258