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 #include "font.h"
  78
  79 void UI_RADIO::create(UI_WINDOW *wnd, const char *_text, int _x, int _y, int _state, int _group )
  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_RADIO, _x, _y, _w, _h );
  93
  94         position = 0;
  95         pressed_down = 0;
  96         flag = _state;
  97         group = _group;
  98 };
  99
 100 void UI_RADIO::destroy()
 101 {
 102         if (text)
 103                 free(text);
 104
 105         UI_GADGET::destroy();
 106 }
 107
 108 void UI_RADIO::draw()
 109 {
 110         int offset;
 111
 112
 113         if ( uses_bmaps ) {
 114
 115                 if ( disabled_flag ) {
 116                         if ( flag ) {
 117                                 if ( bmap_ids[RADIO_DISABLED_MARKED] != -1 ) {
 118                                         gr_set_bitmap(bmap_ids[RADIO_DISABLED_MARKED], GR_ALPHABLEND_NONE, GR_BITBLT_MODE_NORMAL, 1.0f, -1, -1);
 119                                         gr_bitmap(x,y);
 120                                 }
 121                         }
 122                         else {
 123                                 if ( bmap_ids[RADIO_DISABLED_CLEAR] != -1 ) {
 124                                         gr_set_bitmap(bmap_ids[RADIO_DISABLED_CLEAR], GR_ALPHABLEND_NONE, GR_BITBLT_MODE_NORMAL, 1.0f, -1, -1);
 125                                         gr_bitmap(x,y);
 126                                 }
 127                         }
 128                 }
 129                 else {          // not disabled
 130                         if ( position == 0 )    {       // up
 131                                 if ( flag ) {                   // marked
 132                                         if ( bmap_ids[RADIO_UP_MARKED] != -1 ) {
 133                                                 gr_set_bitmap(bmap_ids[RADIO_UP_MARKED], GR_ALPHABLEND_NONE, GR_BITBLT_MODE_NORMAL, 1.0f, -1, -1);
 134                                                 gr_bitmap(x,y);
 135                                         }
 136                                 }
 137                                 else {                                  // not marked
 138                                         if ( bmap_ids[RADIO_UP_CLEAR] != -1 ) {
 139                                                 gr_set_bitmap(bmap_ids[RADIO_UP_CLEAR], GR_ALPHABLEND_NONE, GR_BITBLT_MODE_NORMAL, 1.0f, -1, -1);
 140                                                 gr_bitmap(x,y);
 141                                         }
 142                                 }
 143                         }
 144                         else {                                          // down
 145                                 if ( flag ) {                   // marked
 146                                         if ( bmap_ids[RADIO_DOWN_MARKED] != -1 ) {
 147                                                 gr_set_bitmap(bmap_ids[RADIO_DOWN_MARKED], GR_ALPHABLEND_NONE, GR_BITBLT_MODE_NORMAL, 1.0f, -1, -1);
 148                                                 gr_bitmap(x,y);
 149                                         }
 150                                 }
 151                                 else {                                  // not marked
 152                                         if ( bmap_ids[RADIO_DOWN_CLEAR] != -1 ) {
 153                                                 gr_set_bitmap(bmap_ids[RADIO_DOWN_CLEAR], GR_ALPHABLEND_NONE, GR_BITBLT_MODE_NORMAL, 1.0f, -1, -1);
 154                                                 gr_bitmap(x,y);
 155                                         }
 156                                 }
 157                         }
 158                 }
 159         }
 160         else {
 161                 gr_set_font(my_wnd->f_id);
 162                 gr_set_clip( x, y, w, h );
 163
 164                 if (position == 0 )     {
 165                         ui_draw_box_out( 0, 0, w-1, h-1 );
 166                         offset = 0;
 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(&CDARK_GRAY);
 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, "*" );
 181         //      else
 182         //              ui_string_centered(  Middle(w)+offset, Middle(h)+offset, "o" );
 183                 if (flag)       {
 184                         gr_circle( Middle(w)+offset, Middle(h)+offset, 8 );
 185                 } else {
 186                         gr_circle( Middle(w)+offset, Middle(h)+offset, 8 );
 187                         gr_set_color_fast( &CWHITE );
 188                         gr_circle( Middle(w)+offset, Middle(h)+offset, 4 );
 189                 }
 190
 191                 if (disabled_flag)
 192                         gr_set_color_fast(&CDARK_GRAY);
 193                 else if (my_wnd->selected_gadget == this)
 194                         gr_set_color_fast(&CBRIGHT_GREEN);
 195                 else
 196                         gr_set_color_fast(&CGREEN);
 197
 198                 if ( text )     {
 199                         gr_reset_clip();
 200                         gr_string( x+w+4, y+2, text );
 201                 }
 202         }
 203 }
 204
 205 void UI_RADIO::process(int focus)
 206 {
 207         int OnMe, oldposition;
 208
 209         if (disabled_flag)      {
 210                 position = 0;
 211                 return;
 212         }
 213
 214         if (my_wnd->selected_gadget == this)
 215                 focus = 1;
 216
 217         OnMe = is_mouse_on();
 218
 219         oldposition = position;
 220
 221         if (B1_PRESSED && OnMe) {
 222                 position = 1;
 223         } else  {
 224                 position = 0;
 225         }
 226
 227         if (my_wnd->keypress == hotkey) {
 228                 position = 2;
 229                 my_wnd->last_keypress = 0;
 230         }
 231
 232         if ( focus && ((my_wnd->keypress == SDLK_SPACE) || (my_wnd->keypress == SDLK_RETURN)) )
 233                 position = 2;
 234
 235         if (focus)
 236                 if ( (oldposition == 2) && (key_pressed(SDLK_SPACE) || key_pressed(SDLK_RETURN)) )
 237                         position = 2;
 238
 239         pressed_down = 0;
 240
 241         if (position) {
 242                 if ( (oldposition == 1) && OnMe )
 243                         pressed_down = 1;
 244                 if ( (oldposition == 2) && focus )
 245                         pressed_down = 1;
 246         }
 247
 248         if (pressed_down && user_function) {
 249                 user_function();
 250         }
 251
 252         if (pressed_down && (flag == 0)) {
 253                 UI_GADGET *tmp = (UI_GADGET *) next;
 254                 UI_RADIO *tmpr;
 255
 256                 while (tmp != this)     {
 257                         if (tmp->kind == UI_KIND_RADIO) {
 258                                 tmpr = (UI_RADIO *) tmp;
 259                                 if ((tmpr->group == group) && tmpr->flag) {
 260                                         tmpr->flag = 0;
 261                                         tmpr->pressed_down = 0;
 262                                 }
 263                         }
 264
 265                         tmp = tmp->next;
 266                 }
 267
 268                 flag = 1;
 269         }
 270 }
 271
 272 int UI_RADIO::changed()
 273 {
 274         return pressed_down;
 275 }
 276
 277 int UI_RADIO::checked()
 278 {
 279         return flag;
 280 }
 281
 282