src/ui/radio.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/RADIO.cpp $
  11  * $Revision$
  12  * $Date$
  13  * $Author$
  14  *
  15  * Code to handle radio buttons.
  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  * 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     3/10/98 4:19p John
  41  * Cleaned up graphics lib.  Took out most unused gr functions.   Made D3D
  42  * & Glide have popups and print screen.  Took out all >8bpp software
  43  * support.  Made Fred zbuffer.  Made zbuffer allocate dynamically to
  44  * support Fred.  Made zbuffering key off of functions rather than one
  45  * global variable.
  46  *
  47  * 8     2/03/98 4:21p Hoffoss
  48  * Made UI controls draw white text when disabled.
  49  *
  50  * 7     1/14/98 6:44p Hoffoss
  51  * Massive changes to UI code.  A lot cleaner and better now.  Did all
  52  * this to get the new UI_DOT_SLIDER to work properly, which the old code
  53  * wasn't flexible enough to handle.
  54  *
  55  * 6     6/12/97 12:39p John
  56  * made ui use freespace colors
  57  *
  58  * 5     6/11/97 1:13p John
  59  * Started fixing all the text colors in the game.
  60  *
  61  * 4     5/26/97 10:26a Lawrance
  62  * get slider control working 100%
  63  *
  64  * 3     1/01/97 6:46p Lawrance
  65  * changed text color of radio button to green from black
  66  *
  67  * 2     11/15/96 11:43a John
  68  *
  69  * 1     11/14/96 6:55p John
  70  *
  71  * $NoKeywords: $
  72  */
  73
  74 #include "uidefs.h"
  75 #include "ui.h"
  76 #include "alphacolors.h"
  77
  78 void UI_RADIO::create(UI_WINDOW *wnd, const char *_text, int _x, int _y, int _state, int _group )
  79 {
  80         int _w, _h;
  81
  82 //      gr_get_string_size( &_w, &_h, "X" );
  83         _w = 18;
  84         _h = 18;
  85
  86         if (_text)
  87                 text = strdup(_text);
  88         else
  89                 text = NULL;
  90
  91         base_create( wnd, UI_KIND_RADIO, _x, _y, _w, _h );
  92
  93         position = 0;
  94         pressed_down = 0;
  95         flag = _state;
  96         group = _group;
  97 };
  98
  99 void UI_RADIO::destroy()
 100 {
 101         if (text)
 102                 free(text);
 103
 104         UI_GADGET::destroy();
 105 }
 106
 107 void UI_RADIO::draw()
 108 {
 109         int offset;
 110
 111
 112         if ( uses_bmaps ) {
 113
 114                 if ( disabled_flag ) {
 115                         if ( flag ) {
 116                                 if ( bmap_ids[RADIO_DISABLED_MARKED] != -1 ) {
 117                                         gr_set_bitmap(bmap_ids[RADIO_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[RADIO_DISABLED_CLEAR] != -1 ) {
 123                                         gr_set_bitmap(bmap_ids[RADIO_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[RADIO_UP_MARKED] != -1 ) {
 132                                                 gr_set_bitmap(bmap_ids[RADIO_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[RADIO_UP_CLEAR] != -1 ) {
 138                                                 gr_set_bitmap(bmap_ids[RADIO_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[RADIO_DOWN_MARKED] != -1 ) {
 146                                                 gr_set_bitmap(bmap_ids[RADIO_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[RADIO_DOWN_CLEAR] != -1 ) {
 152                                                 gr_set_bitmap(bmap_ids[RADIO_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                 } else {
 167                         ui_draw_box_in( 0, 0, w-1, h-1 );
 168                         offset = 1;
 169                 }
 170
 171                 if (disabled_flag)
 172                         gr_set_color_fast(&CDARK_GRAY);
 173                 else if (my_wnd->selected_gadget == this)
 174                         gr_set_color_fast(&CBRIGHT_GREEN);
 175                 else
 176                         gr_set_color_fast(&CGREEN);
 177
 178         //      if (flag)
 179         //              ui_string_centered(  Middle(w)+offset, Middle(h)+offset, "*" );
 180         //      else
 181         //              ui_string_centered(  Middle(w)+offset, Middle(h)+offset, "o" );
 182                 if (flag)       {
 183                         gr_circle( Middle(w)+offset, Middle(h)+offset, 8 );
 184                 } else {
 185                         gr_circle( Middle(w)+offset, Middle(h)+offset, 8 );
 186                         gr_set_color_fast( &CWHITE );
 187                         gr_circle( Middle(w)+offset, Middle(h)+offset, 4 );
 188                 }
 189
 190                 if (disabled_flag)
 191                         gr_set_color_fast(&CDARK_GRAY);
 192                 else if (my_wnd->selected_gadget == this)
 193                         gr_set_color_fast(&CBRIGHT_GREEN);
 194                 else
 195                         gr_set_color_fast(&CGREEN);
 196
 197                 if ( text )     {
 198                         gr_reset_clip();
 199                         gr_string( x+w+4, y+2, text );
 200                 }
 201         }
 202 }
 203
 204 void UI_RADIO::process(int focus)
 205 {
 206         int OnMe, oldposition;
 207
 208         if (disabled_flag)      {
 209                 position = 0;
 210                 return;
 211         }
 212
 213         if (my_wnd->selected_gadget == this)
 214                 focus = 1;
 215
 216         OnMe = is_mouse_on();
 217
 218         oldposition = position;
 219
 220         if (B1_PRESSED && OnMe) {
 221                 position = 1;
 222         } else  {
 223                 position = 0;
 224         }
 225
 226         if (my_wnd->keypress == hotkey) {
 227                 position = 2;
 228                 my_wnd->last_keypress = 0;
 229         }
 230
 231         if ( focus && ((my_wnd->keypress == KEY_SPACEBAR) || (my_wnd->keypress == KEY_ENTER)) )
 232                 position = 2;
 233
 234         if (focus)
 235                 if ( (oldposition == 2) && (keyd_pressed[KEY_SPACEBAR] || keyd_pressed[KEY_ENTER]) )
 236                         position = 2;
 237
 238         pressed_down = 0;
 239
 240         if (position) {
 241                 if ( (oldposition == 1) && OnMe )
 242                         pressed_down = 1;
 243                 if ( (oldposition == 2) && focus )
 244                         pressed_down = 1;
 245         }
 246
 247         if (pressed_down && user_function) {
 248                 user_function();
 249         }
 250
 251         if (pressed_down && (flag == 0)) {
 252                 UI_GADGET *tmp = (UI_GADGET *) next;
 253                 UI_RADIO *tmpr;
 254
 255                 while (tmp != this)     {
 256                         if (tmp->kind == UI_KIND_RADIO) {
 257                                 tmpr = (UI_RADIO *) tmp;
 258                                 if ((tmpr->group == group) && tmpr->flag) {
 259                                         tmpr->flag = 0;
 260                                         tmpr->pressed_down = 0;
 261                                 }
 262                         }
 263
 264                         tmp = tmp->next;
 265                 }
 266
 267                 flag = 1;
 268         }
 269 }
 270
 271 int UI_RADIO::changed()
 272 {
 273         return pressed_down;
 274 }
 275
 276 int UI_RADIO::checked()
 277 {
 278         return flag;
 279 }
 280
 281