src/ui/radio.cpp

   1 /*
   2  * $Logfile: /Freespace2/code/UI/RADIO.cpp $
   3  * $Revision$
   4  * $Date$
   5  * $Author$
   6  *
   7  * Code to handle radio buttons.
   8  *
   9  * $Log$
  10  * Revision 1.1  2002/05/03 03:28:11  root
  11  * Initial revision
  12  *
  13  *
  14  * 4     12/02/98 5:47p Dave
  15  * Put in interface xstr code. Converted barracks screen to new format.
  16  *
  17  * 3     10/13/98 9:29a Dave
  18  * Started neatening up freespace.h. Many variables renamed and
  19  * reorganized. Added AlphaColors.[h,cpp]
  20  *
  21  * 2     10/07/98 10:54a Dave
  22  * Initial checkin.
  23  *
  24  * 1     10/07/98 10:51a Dave
  25  *
  26  * 9     3/10/98 4:19p John
  27  * Cleaned up graphics lib.  Took out most unused gr functions.   Made D3D
  28  * & Glide have popups and print screen.  Took out all >8bpp software
  29  * support.  Made Fred zbuffer.  Made zbuffer allocate dynamically to
  30  * support Fred.  Made zbuffering key off of functions rather than one
  31  * global variable.
  32  *
  33  * 8     2/03/98 4:21p Hoffoss
  34  * Made UI controls draw white text when disabled.
  35  *
  36  * 7     1/14/98 6:44p Hoffoss
  37  * Massive changes to UI code.  A lot cleaner and better now.  Did all
  38  * this to get the new UI_DOT_SLIDER to work properly, which the old code
  39  * wasn't flexible enough to handle.
  40  *
  41  * 6     6/12/97 12:39p John
  42  * made ui use freespace colors
  43  *
  44  * 5     6/11/97 1:13p John
  45  * Started fixing all the text colors in the game.
  46  *
  47  * 4     5/26/97 10:26a Lawrance
  48  * get slider control working 100%
  49  *
  50  * 3     1/01/97 6:46p Lawrance
  51  * changed text color of radio button to green from black
  52  *
  53  * 2     11/15/96 11:43a John
  54  *
  55  * 1     11/14/96 6:55p John
  56  *
  57  * $NoKeywords: $
  58  */
  59
  60 #include "uidefs.h"
  61 #include "ui.h"
  62 #include "alphacolors.h"
  63
  64 void UI_RADIO::create(UI_WINDOW *wnd, char *_text, int _x, int _y, int _state, int _group )
  65 {
  66         int _w, _h;
  67
  68 //      gr_get_string_size( &_w, &_h, "X" );
  69         _w = 18;
  70         _h = 18;
  71
  72         if (_text)
  73                 text = strdup(_text);
  74         else
  75                 text = NULL;
  76
  77         base_create( wnd, UI_KIND_RADIO, _x, _y, _w, _h );
  78
  79         position = 0;
  80         pressed_down = 0;
  81         flag = _state;
  82         group = _group;
  83 };
  84
  85 void UI_RADIO::destroy()
  86 {
  87         if (text)
  88                 free(text);
  89
  90         UI_GADGET::destroy();
  91 }
  92
  93 void UI_RADIO::draw()
  94 {
  95         int offset;
  96
  97
  98         if ( uses_bmaps ) {
  99
 100                 if ( disabled_flag ) {
 101                         if ( flag ) {
 102                                 if ( bmap_ids[RADIO_DISABLED_MARKED] != -1 ) {
 103                                         gr_set_bitmap(bmap_ids[RADIO_DISABLED_MARKED]);
 104                                         gr_bitmap(x,y);
 105                                 }
 106                         }
 107                         else {
 108                                 if ( bmap_ids[RADIO_DISABLED_CLEAR] != -1 ) {
 109                                         gr_set_bitmap(bmap_ids[RADIO_DISABLED_CLEAR]);
 110                                         gr_bitmap(x,y);
 111                                 }
 112                         }
 113                 }
 114                 else {          // not disabled
 115                         if ( position == 0 )    {       // up
 116                                 if ( flag ) {                   // marked
 117                                         if ( bmap_ids[RADIO_UP_MARKED] != -1 ) {
 118                                                 gr_set_bitmap(bmap_ids[RADIO_UP_MARKED]);
 119                                                 gr_bitmap(x,y);
 120                                         }
 121                                 }
 122                                 else {                                  // not marked
 123                                         if ( bmap_ids[RADIO_UP_CLEAR] != -1 ) {
 124                                                 gr_set_bitmap(bmap_ids[RADIO_UP_CLEAR]);
 125                                                 gr_bitmap(x,y);
 126                                         }
 127                                 }
 128                         }
 129                         else {                                          // down
 130                                 if ( flag ) {                   // marked
 131                                         if ( bmap_ids[RADIO_DOWN_MARKED] != -1 ) {
 132                                                 gr_set_bitmap(bmap_ids[RADIO_DOWN_MARKED]);
 133                                                 gr_bitmap(x,y);
 134                                         }
 135                                 }
 136                                 else {                                  // not marked
 137                                         if ( bmap_ids[RADIO_DOWN_CLEAR] != -1 ) {
 138                                                 gr_set_bitmap(bmap_ids[RADIO_DOWN_CLEAR]);
 139                                                 gr_bitmap(x,y);
 140                                         }
 141                                 }
 142                         }
 143                 }
 144         }
 145         else {
 146                 gr_set_font(my_wnd->f_id);
 147                 gr_set_clip( x, y, w, h );
 148
 149                 if (position == 0 )     {
 150                         ui_draw_box_out( 0, 0, w-1, h-1 );
 151                         offset = 0;
 152                 } else {
 153                         ui_draw_box_in( 0, 0, w-1, h-1 );
 154                         offset = 1;
 155                 }
 156
 157                 if (disabled_flag)
 158                         gr_set_color_fast(&CDARK_GRAY);
 159                 else if (my_wnd->selected_gadget == this)
 160                         gr_set_color_fast(&CBRIGHT_GREEN);
 161                 else
 162                         gr_set_color_fast(&CGREEN);
 163
 164         //      if (flag)
 165         //              ui_string_centered(  Middle(w)+offset, Middle(h)+offset, "*" );
 166         //      else
 167         //              ui_string_centered(  Middle(w)+offset, Middle(h)+offset, "o" );
 168                 if (flag)       {
 169                         gr_circle( Middle(w)+offset, Middle(h)+offset, 8 );
 170                 } else {
 171                         gr_circle( Middle(w)+offset, Middle(h)+offset, 8 );
 172                         gr_set_color_fast( &CWHITE );
 173                         gr_circle( Middle(w)+offset, Middle(h)+offset, 4 );
 174                 }
 175
 176                 if (disabled_flag)
 177                         gr_set_color_fast(&CDARK_GRAY);
 178                 else if (my_wnd->selected_gadget == this)
 179                         gr_set_color_fast(&CBRIGHT_GREEN);
 180                 else
 181                         gr_set_color_fast(&CGREEN);
 182
 183                 if ( text )     {
 184                         gr_reset_clip();
 185                         gr_string( x+w+4, y+2, text );
 186                 }
 187         }
 188 }
 189
 190 void UI_RADIO::process(int focus)
 191 {
 192         int OnMe, oldposition;
 193
 194         if (disabled_flag)      {
 195                 position = 0;
 196                 return;
 197         }
 198
 199         if (my_wnd->selected_gadget == this)
 200                 focus = 1;
 201
 202         OnMe = is_mouse_on();
 203
 204         oldposition = position;
 205
 206         if (B1_PRESSED && OnMe) {
 207                 position = 1;
 208         } else  {
 209                 position = 0;
 210         }
 211
 212         if (my_wnd->keypress == hotkey) {
 213                 position = 2;
 214                 my_wnd->last_keypress = 0;
 215         }
 216
 217         if ( focus && ((my_wnd->keypress == KEY_SPACEBAR) || (my_wnd->keypress == KEY_ENTER)) )
 218                 position = 2;
 219
 220         if (focus)
 221                 if ( (oldposition == 2) && (keyd_pressed[KEY_SPACEBAR] || keyd_pressed[KEY_ENTER]) )
 222                         position = 2;
 223
 224         pressed_down = 0;
 225
 226         if (position) {
 227                 if ( (oldposition == 1) && OnMe )
 228                         pressed_down = 1;
 229                 if ( (oldposition == 2) && focus )
 230                         pressed_down = 1;
 231         }
 232
 233         if (pressed_down && user_function) {
 234                 user_function();
 235         }
 236
 237         if (pressed_down && (flag == 0)) {
 238                 UI_GADGET *tmp = (UI_GADGET *) next;
 239                 UI_RADIO *tmpr;
 240
 241                 while (tmp != this)     {
 242                         if (tmp->kind == UI_KIND_RADIO) {
 243                                 tmpr = (UI_RADIO *) tmp;
 244                                 if ((tmpr->group == group) && tmpr->flag) {
 245                                         tmpr->flag = 0;
 246                                         tmpr->pressed_down = 0;
 247                                 }
 248                         }
 249
 250                         tmp = tmp->next;
 251                 }
 252
 253                 flag = 1;
 254         }
 255 }
 256
 257 int UI_RADIO::changed()
 258 {
 259         return pressed_down;
 260 }
 261
 262 int UI_RADIO::checked()
 263 {
 264         return flag;
 265 }
 266
 267