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 #include "font.h"
  79
  80 void UI_CHECKBOX::create(UI_WINDOW *wnd, const char *_text, int _x, int _y, int _state )
  81 {
  82         int _w, _h;
  83
  84 //      gr_get_string_size( &_w, &_h, "X" );
  85         _w = 18;
  86         _h = 18;
  87
  88         if ( _text )
  89                 text = strdup( _text );
  90         else
  91                 text = NULL;
  92
  93         base_create( wnd, UI_KIND_CHECKBOX, _x, _y, _w, _h );
  94
  95         position = 0;
  96         pressed_down = 0;
  97         flag = _state;
  98 };
  99
 100 void UI_CHECKBOX::destroy()
 101 {
 102         if (text)
 103                 free(text);
 104
 105         UI_GADGET::destroy();
 106 }
 107
 108
 109 void UI_CHECKBOX::draw()
 110 {
 111         int offset;
 112
 113         if ( uses_bmaps ) {
 114
 115                 if ( disabled_flag ) {
 116                         if ( flag ) {
 117                                 if ( bmap_ids[CBOX_DISABLED_MARKED] != -1 ) {
 118                                         gr_set_bitmap(bmap_ids[CBOX_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[CBOX_DISABLED_CLEAR] != -1 ) {
 124                                         gr_set_bitmap(bmap_ids[CBOX_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[CBOX_UP_MARKED] != -1 ) {
 133                                                 gr_set_bitmap(bmap_ids[CBOX_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[CBOX_UP_CLEAR] != -1 ) {
 139                                                 gr_set_bitmap(bmap_ids[CBOX_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[CBOX_DOWN_MARKED] != -1 ) {
 147                                                 gr_set_bitmap(bmap_ids[CBOX_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[CBOX_DOWN_CLEAR] != -1 ) {
 153                                                 gr_set_bitmap(bmap_ids[CBOX_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
 168                 } else {
 169                         ui_draw_box_in( 0, 0, w-1, h-1 );
 170                         offset = 1;
 171                 }
 172
 173                 if (disabled_flag)
 174                         gr_set_color_fast( &CGRAY );
 175                 else if (my_wnd->selected_gadget == this)
 176                         gr_set_color_fast( &CBRIGHT_GREEN );
 177                 else
 178                         gr_set_color_fast( &CGREEN );
 179
 180                 if (flag)
 181                         ui_string_centered( Middle(w) + offset, Middle(h) + offset, "X" );
 182                 else
 183                         ui_string_centered( Middle(w) + offset, Middle(h) + offset, " " );
 184
 185                 if (text) {
 186                         gr_reset_clip();
 187                         gr_string( x+w+4, y+2, text );
 188                 }
 189         }
 190 }
 191
 192 void UI_CHECKBOX::process(int focus)
 193 {
 194         int OnMe, oldposition;
 195
 196         if (disabled_flag) {
 197                 position = 0;
 198                 return;
 199         }
 200
 201         if (my_wnd->selected_gadget == this)
 202                 focus = 1;
 203
 204         OnMe = is_mouse_on();
 205
 206         oldposition = position;
 207
 208         if ( B1_PRESSED && OnMe ) {
 209                 position = 1;
 210         } else  {
 211                 position = 0;
 212         }
 213
 214         if (my_wnd->keypress == hotkey )        {
 215                 position = 2;
 216                 my_wnd->last_keypress = 0;
 217         }
 218
 219         if ( focus && ((my_wnd->keypress == SDLK_SPACE) || (my_wnd->keypress == SDLK_RETURN)) )
 220                 position = 2;
 221
 222         if (focus)
 223                 if ( (oldposition == 2) && (key_pressed(SDLK_SPACE) || key_pressed(SDLK_RETURN)) )
 224                         position = 2;
 225
 226         pressed_down = 0;
 227
 228         if (position == 0) {
 229                 if ( (oldposition == 1) && OnMe ){
 230                         pressed_down = 1;
 231                 }
 232                 if ( (oldposition == 2) && focus ){
 233                         pressed_down = 1;
 234                 }
 235         }
 236
 237         if (pressed_down && user_function )     {
 238                 user_function();
 239         }
 240
 241         if (pressed_down)
 242                 flag = !flag;
 243 }
 244
 245 int UI_CHECKBOX::changed()
 246 {
 247         return pressed_down;
 248 }
 249
 250 int UI_CHECKBOX::checked()
 251 {
 252         return flag;
 253 }
 254
 255 void UI_CHECKBOX::set_state(int _state)
 256 {
 257         flag = _state;
 258 }
 259