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 1.2  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  * 4     12/02/98 5:47p Dave
  26  * Put in interface xstr code. Converted barracks screen to new format.
  27  *
  28  * 3     10/13/98 9:29a Dave
  29  * Started neatening up freespace.h. Many variables renamed and
  30  * reorganized. Added AlphaColors.[h,cpp]
  31  *
  32  * 2     10/07/98 10:54a Dave
  33  * Initial checkin.
  34  *
  35  * 1     10/07/98 10:51a Dave
  36  *
  37  * 9     3/10/98 4:19p John
  38  * Cleaned up graphics lib.  Took out most unused gr functions.   Made D3D
  39  * & Glide have popups and print screen.  Took out all >8bpp software
  40  * support.  Made Fred zbuffer.  Made zbuffer allocate dynamically to
  41  * support Fred.  Made zbuffering key off of functions rather than one
  42  * global variable.
  43  *
  44  * 8     2/03/98 4:21p Hoffoss
  45  * Made UI controls draw white text when disabled.
  46  *
  47  * 7     1/14/98 6:44p Hoffoss
  48  * Massive changes to UI code.  A lot cleaner and better now.  Did all
  49  * this to get the new UI_DOT_SLIDER to work properly, which the old code
  50  * wasn't flexible enough to handle.
  51  *
  52  * 6     6/12/97 12:39p John
  53  * made ui use freespace colors
  54  *
  55  * 5     6/11/97 1:13p John
  56  * Started fixing all the text colors in the game.
  57  *
  58  * 4     5/26/97 10:26a Lawrance
  59  * get slider control working 100%
  60  *
  61  * 3     1/01/97 6:46p Lawrance
  62  * changed text color of radio button to green from black
  63  *
  64  * 2     11/15/96 11:43a John
  65  *
  66  * 1     11/14/96 6:55p John
  67  *
  68  * $NoKeywords: $
  69  */
  70
  71 #include "uidefs.h"
  72 #include "ui.h"
  73 #include "alphacolors.h"
  74
  75 void UI_RADIO::create(UI_WINDOW *wnd, char *_text, int _x, int _y, int _state, int _group )
  76 {
  77         int _w, _h;
  78
  79 //      gr_get_string_size( &_w, &_h, "X" );
  80         _w = 18;
  81         _h = 18;
  82
  83         if (_text)
  84                 text = strdup(_text);
  85         else
  86                 text = NULL;
  87
  88         base_create( wnd, UI_KIND_RADIO, _x, _y, _w, _h );
  89
  90         position = 0;
  91         pressed_down = 0;
  92         flag = _state;
  93         group = _group;
  94 };
  95
  96 void UI_RADIO::destroy()
  97 {
  98         if (text)
  99                 free(text);
 100
 101         UI_GADGET::destroy();
 102 }
 103
 104 void UI_RADIO::draw()
 105 {
 106         int offset;
 107
 108
 109         if ( uses_bmaps ) {
 110
 111                 if ( disabled_flag ) {
 112                         if ( flag ) {
 113                                 if ( bmap_ids[RADIO_DISABLED_MARKED] != -1 ) {
 114                                         gr_set_bitmap(bmap_ids[RADIO_DISABLED_MARKED]);
 115                                         gr_bitmap(x,y);
 116                                 }
 117                         }
 118                         else {
 119                                 if ( bmap_ids[RADIO_DISABLED_CLEAR] != -1 ) {
 120                                         gr_set_bitmap(bmap_ids[RADIO_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[RADIO_UP_MARKED] != -1 ) {
 129                                                 gr_set_bitmap(bmap_ids[RADIO_UP_MARKED]);
 130                                                 gr_bitmap(x,y);
 131                                         }
 132                                 }
 133                                 else {                                  // not marked
 134                                         if ( bmap_ids[RADIO_UP_CLEAR] != -1 ) {
 135                                                 gr_set_bitmap(bmap_ids[RADIO_UP_CLEAR]);
 136                                                 gr_bitmap(x,y);
 137                                         }
 138                                 }
 139                         }
 140                         else {                                          // down
 141                                 if ( flag ) {                   // marked
 142                                         if ( bmap_ids[RADIO_DOWN_MARKED] != -1 ) {
 143                                                 gr_set_bitmap(bmap_ids[RADIO_DOWN_MARKED]);
 144                                                 gr_bitmap(x,y);
 145                                         }
 146                                 }
 147                                 else {                                  // not marked
 148                                         if ( bmap_ids[RADIO_DOWN_CLEAR] != -1 ) {
 149                                                 gr_set_bitmap(bmap_ids[RADIO_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                 } else {
 164                         ui_draw_box_in( 0, 0, w-1, h-1 );
 165                         offset = 1;
 166                 }
 167
 168                 if (disabled_flag)
 169                         gr_set_color_fast(&CDARK_GRAY);
 170                 else if (my_wnd->selected_gadget == this)
 171                         gr_set_color_fast(&CBRIGHT_GREEN);
 172                 else
 173                         gr_set_color_fast(&CGREEN);
 174
 175         //      if (flag)
 176         //              ui_string_centered(  Middle(w)+offset, Middle(h)+offset, "*" );
 177         //      else
 178         //              ui_string_centered(  Middle(w)+offset, Middle(h)+offset, "o" );
 179                 if (flag)       {
 180                         gr_circle( Middle(w)+offset, Middle(h)+offset, 8 );
 181                 } else {
 182                         gr_circle( Middle(w)+offset, Middle(h)+offset, 8 );
 183                         gr_set_color_fast( &CWHITE );
 184                         gr_circle( Middle(w)+offset, Middle(h)+offset, 4 );
 185                 }
 186
 187                 if (disabled_flag)
 188                         gr_set_color_fast(&CDARK_GRAY);
 189                 else if (my_wnd->selected_gadget == this)
 190                         gr_set_color_fast(&CBRIGHT_GREEN);
 191                 else
 192                         gr_set_color_fast(&CGREEN);
 193
 194                 if ( text )     {
 195                         gr_reset_clip();
 196                         gr_string( x+w+4, y+2, text );
 197                 }
 198         }
 199 }
 200
 201 void UI_RADIO::process(int focus)
 202 {
 203         int OnMe, oldposition;
 204
 205         if (disabled_flag)      {
 206                 position = 0;
 207                 return;
 208         }
 209
 210         if (my_wnd->selected_gadget == this)
 211                 focus = 1;
 212
 213         OnMe = is_mouse_on();
 214
 215         oldposition = position;
 216
 217         if (B1_PRESSED && OnMe) {
 218                 position = 1;
 219         } else  {
 220                 position = 0;
 221         }
 222
 223         if (my_wnd->keypress == hotkey) {
 224                 position = 2;
 225                 my_wnd->last_keypress = 0;
 226         }
 227
 228         if ( focus && ((my_wnd->keypress == KEY_SPACEBAR) || (my_wnd->keypress == KEY_ENTER)) )
 229                 position = 2;
 230
 231         if (focus)
 232                 if ( (oldposition == 2) && (keyd_pressed[KEY_SPACEBAR] || keyd_pressed[KEY_ENTER]) )
 233                         position = 2;
 234
 235         pressed_down = 0;
 236
 237         if (position) {
 238                 if ( (oldposition == 1) && OnMe )
 239                         pressed_down = 1;
 240                 if ( (oldposition == 2) && focus )
 241                         pressed_down = 1;
 242         }
 243
 244         if (pressed_down && user_function) {
 245                 user_function();
 246         }
 247
 248         if (pressed_down && (flag == 0)) {
 249                 UI_GADGET *tmp = (UI_GADGET *) next;
 250                 UI_RADIO *tmpr;
 251
 252                 while (tmp != this)     {
 253                         if (tmp->kind == UI_KIND_RADIO) {
 254                                 tmpr = (UI_RADIO *) tmp;
 255                                 if ((tmpr->group == group) && tmpr->flag) {
 256                                         tmpr->flag = 0;
 257                                         tmpr->pressed_down = 0;
 258                                 }
 259                         }
 260
 261                         tmp = tmp->next;
 262                 }
 263
 264                 flag = 1;
 265         }
 266 }
 267
 268 int UI_RADIO::changed()
 269 {
 270         return pressed_down;
 271 }
 272
 273 int UI_RADIO::checked()
 274 {
 275         return flag;
 276 }
 277
 278