ui/radio.c

   1 /* $Id: radio.c,v 1.4 2005-01-24 22:19:10 schaffner Exp $ */
   2 /*
   3 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
   4 SOFTWARE CORPORATION ("PARALLAX").  PARALLAX, IN DISTRIBUTING THE CODE TO
   5 END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
   6 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
   7 IN USING, DISPLAYING,  AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
   8 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
   9 FREE PURPOSES.  IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
  10 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES.  THE END-USER UNDERSTANDS
  11 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
  12 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
  13 */
  14
  15 #ifdef RCS
  16 static char rcsid[] = "$Id: radio.c,v 1.4 2005-01-24 22:19:10 schaffner Exp $";
  17 #endif
  18
  19 #ifdef HAVE_CONFIG_H
  20 #include "conf.h"
  21 #endif
  22
  23 #include <stdlib.h>
  24 #include <string.h>
  25
  26 #include "fix.h"
  27 #include "pstypes.h"
  28 #include "gr.h"
  29 #include "ui.h"
  30 #include "key.h"
  31
  32 #include "mono.h"
  33
  34 #define Middle(x) ((2*(x)+1)/4)
  35
  36 void ui_draw_radio( UI_GADGET_RADIO * radio )
  37 {
  38
  39         if ((radio->status==1) || (radio->position != radio->oldposition))
  40         {
  41                 radio->status = 0;
  42
  43                 ui_mouse_hide();
  44                 gr_set_current_canvas( radio->canvas );
  45
  46                 if (radio->flag)
  47                         gr_set_fontcolor( CRED, -1 );
  48                 else
  49                         gr_set_fontcolor( CBLACK, -1 );
  50
  51                 if (radio->position == 0 )
  52                 {
  53                         ui_draw_box_out( 0, 0, radio->width-1, radio->height-1 );
  54                         ui_string_centered(  Middle(radio->width), Middle(radio->height), "þ" );
  55                 } else {
  56                         ui_draw_box_in( 0, 0, radio->width-1, radio->height-1 );
  57                         ui_string_centered(  Middle(radio->width)+1, Middle(radio->height)+1, "þ" );
  58                 }
  59
  60                 if (CurWindow->keyboard_focus_gadget == (UI_GADGET *)radio)
  61                         gr_set_fontcolor( CRED, CWHITE );
  62                 else
  63                         gr_set_fontcolor( CBLACK, CWHITE );
  64
  65                 gr_ustring( radio->width+4, 2, radio->text );
  66
  67                 ui_mouse_show();
  68         }
  69 }
  70
  71
  72 UI_GADGET_RADIO * ui_add_gadget_radio( UI_WINDOW * wnd, short x, short y, short w, short h, short group, char * text )
  73 {
  74         UI_GADGET_RADIO * radio;
  75
  76         radio = (UI_GADGET_RADIO *)ui_gadget_add( wnd, 4, x, y, x+w-1, y+h-1 );
  77
  78         radio->text = strdup(text);
  79         radio->width = w;
  80         radio->height = h;
  81         radio->position = 0;
  82         radio->oldposition = 0;
  83         radio->pressed = 0;
  84         radio->flag = 0;
  85         radio->group = group;
  86
  87         return radio;
  88
  89 }
  90
  91
  92 void ui_radio_do( UI_GADGET_RADIO * radio, int keypress )
  93 {
  94         UI_GADGET * tmp;
  95         UI_GADGET_RADIO * tmpr;
  96         int OnMe, ButtonLastSelected;
  97         keypress  = keypress;
  98
  99         OnMe = ui_mouse_on_gadget( (UI_GADGET *)radio );
 100
 101         radio->oldposition = radio->position;
 102
 103         if (selected_gadget != NULL)
 104         {
 105                 if (selected_gadget->kind==4)
 106                         ButtonLastSelected = 1;
 107                 else
 108                         ButtonLastSelected = 0;
 109         } else
 110                 ButtonLastSelected = 1;
 111
 112
 113         if ( B1_PRESSED && OnMe && ButtonLastSelected )
 114         {
 115
 116                 radio->position = 1;
 117         } else  {
 118                 radio->position = 0;
 119         }
 120
 121
 122         if ((CurWindow->keyboard_focus_gadget==(UI_GADGET *)radio) && (keyd_pressed[KEY_SPACEBAR] || keyd_pressed[KEY_ENTER] ) )
 123                 radio->position = 2;
 124
 125         if ((radio->position==0) && (radio->oldposition==1) && OnMe )
 126                 radio->pressed = 1;
 127         else if ((radio->position==0) && (radio->oldposition==2) && (CurWindow->keyboard_focus_gadget==(UI_GADGET *)radio) )
 128                 radio->pressed = 1;
 129         else
 130                 radio->pressed = 0;
 131
 132         if ((radio->pressed == 1) && (radio->flag==0))
 133         {
 134                 tmp = (UI_GADGET *)radio->next;
 135
 136                 while (tmp != (UI_GADGET *)radio )
 137                 {
 138                         if (tmp->kind==4)
 139                         {
 140                                 tmpr = (UI_GADGET_RADIO *)tmp;
 141                                 if ((tmpr->group == radio->group ) && (tmpr->flag) )
 142                                 {
 143                                         tmpr->flag = 0;
 144                                         tmpr->status = 1;
 145                                         tmpr->pressed = 0;
 146                                 }
 147                         }
 148                         tmp = tmp->next;
 149                 }
 150                 radio->flag = 1;
 151         }
 152
 153         ui_draw_radio( radio );
 154
 155 }
 156
 157