unused/ui/gadget.c

   1 /*
   2 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
   3 SOFTWARE CORPORATION ("PARALLAX").  PARALLAX, IN DISTRIBUTING THE CODE TO
   4 END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
   5 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
   6 IN USING, DISPLAYING,  AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
   7 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
   8 FREE PURPOSES.  IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
   9 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES.  THE END-USER UNDERSTANDS
  10 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
  11 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
  12 */
  13
  14 #pragma off (unreferenced)
  15 static char rcsid[] = "$Id: gadget.c,v 1.1.1.1 2001-01-19 03:30:14 bradleyb Exp $";
  16 #pragma on (unreferenced)
  17
  18 #include <stdio.h>
  19 #include <stdlib.h>
  20
  21 #include "mem.h"
  22 #include "fix.h"
  23 #include "types.h"
  24 #include "gr.h"
  25 #include "ui.h"
  26
  27 #include "key.h"
  28
  29 UI_GADGET * selected_gadget;
  30
  31 UI_GADGET * ui_gadget_add( UI_WINDOW * wnd, short kind, short x1, short y1, short x2, short y2 )
  32 {
  33         UI_GADGET * gadget;
  34
  35         gadget = (UI_GADGET *)malloc( sizeof(UI_GADGET) );
  36         if (gadget==NULL) exit(1);
  37
  38         if (wnd->gadget == NULL )
  39         {
  40                 wnd->gadget = gadget;
  41                 gadget->prev = gadget;
  42                 gadget->next = gadget;
  43         } else {
  44                 wnd->gadget->prev->next = gadget;
  45                 gadget->next = wnd->gadget;
  46                 gadget->prev = wnd->gadget->prev;
  47                 wnd->gadget->prev = gadget;
  48         }
  49
  50         gadget->when_tab = NULL;
  51         gadget->when_btab = NULL;
  52         gadget->when_up = NULL;
  53         gadget->when_down = NULL;
  54         gadget->when_left = NULL;
  55         gadget->when_right = NULL;
  56         gadget->kind = kind;
  57         gadget->status = 1;
  58         gadget->oldstatus = 0;
  59         if ( x1==0 && x2==0 && y1==0 && y2== 0 )
  60                 gadget->canvas = NULL;
  61         else
  62                 gadget->canvas = gr_create_sub_canvas( wnd->canvas, x1, y1, x2-x1+1, y2-y1+1 );
  63         gadget->x1 = gadget->canvas->cv_bitmap.bm_x;
  64         gadget->y1 = gadget->canvas->cv_bitmap.bm_y;
  65         gadget->x2 = gadget->canvas->cv_bitmap.bm_x+x2-x1+1;
  66         gadget->y2 = gadget->canvas->cv_bitmap.bm_y+y2-y1+1;
  67         gadget->parent = NULL;
  68         gadget->hotkey = -1;
  69         return gadget;
  70
  71 }
  72
  73 void ui_gadget_delete_all( UI_WINDOW * wnd )
  74 {
  75         UI_GADGET * tmp;
  76
  77         ui_pad_deactivate();
  78
  79         while( wnd->gadget != NULL )
  80         {
  81                 tmp = wnd->gadget;
  82                 if (tmp->next == tmp )
  83                 {
  84                         wnd->gadget = NULL;
  85                 } else {
  86                         tmp->next->prev = tmp->prev;
  87                         tmp->prev->next = tmp->next;
  88                         wnd->gadget = tmp->next;
  89                 }
  90                 if (tmp->canvas)
  91                         gr_free_sub_canvas( tmp->canvas );
  92
  93
  94                 if (tmp->kind == 1 )    // Button
  95                 {
  96                         UI_GADGET_BUTTON * but1 = (UI_GADGET_BUTTON *)tmp;
  97                         if (but1->text)
  98                                 free( but1->text );
  99                 }
 100
 101                 if (tmp->kind == 6 )    // Inputbox
 102                 {
 103                         UI_GADGET_INPUTBOX * but1 = (UI_GADGET_INPUTBOX *)tmp;
 104                         free( but1->text );
 105                 }
 106
 107                 if (tmp->kind == 5 )    // Checkbox
 108                 {
 109                         UI_GADGET_CHECKBOX * but1 = (UI_GADGET_CHECKBOX *)tmp;
 110                         free( but1->text );
 111                 }
 112
 113                 if (tmp->kind == 9 )    // Icon
 114                 {
 115                         UI_GADGET_ICON * but1 = (UI_GADGET_ICON *)tmp;
 116                         free( but1->text );
 117                 }
 118
 119
 120                 free( tmp );
 121         }
 122 }
 123
 124
 125 int is_under_another_window( UI_WINDOW * win, UI_GADGET * gadget )
 126 {
 127         UI_WINDOW * temp;
 128
 129         temp = win->next;
 130
 131         while( temp != NULL )   {
 132                 if (    ( gadget->x1 > temp->x)                                         &&
 133                                 ( gadget->x1 < (temp->x+temp->width) )  &&
 134                                 ( gadget->y1 > temp->y)                                         &&
 135                                 ( gadget->y1 < (temp->y+temp->height) )
 136                         )
 137                 {
 138                                 //gadget->status =1;
 139                                 return 1;
 140                 }
 141
 142
 143                 if (    ( gadget->x2 > temp->x)                                         &&
 144                                 ( gadget->x2 < (temp->x+temp->width) )  &&
 145                                 ( gadget->y2 > temp->y)                                         &&
 146                                 ( gadget->y2 < (temp->y+temp->height) )
 147                         )
 148                 {
 149                                 //gadget->status =1;
 150                                 return 1;
 151                 }
 152
 153
 154                 temp = temp->next;
 155         }
 156         return 0;
 157 }
 158
 159
 160 int ui_mouse_on_gadget( UI_GADGET * gadget )
 161 {
 162         if ((Mouse.x >= gadget->x1) && (Mouse.x <= gadget->x2-1) &&     (Mouse.y >= gadget->y1) &&      (Mouse.y <= gadget->y2-1) )     {
 163                 if (is_under_another_window(CurWindow, gadget))
 164                         return 0;
 165                 return 1;
 166         } else
 167                 return 0;
 168 }
 169
 170 void ui_window_do_gadgets( UI_WINDOW * wnd )
 171 {
 172         int keypress;
 173         UI_GADGET * tmp, * tmp1;
 174
 175         CurWindow = wnd;
 176
 177         keypress = last_keypress;
 178
 179         tmp = wnd->gadget;
 180
 181         if (tmp == NULL ) return;
 182
 183         if (selected_gadget==NULL)
 184                 selected_gadget = tmp;
 185
 186         tmp1 = wnd->keyboard_focus_gadget;
 187
 188         do
 189         {
 190                 if (ui_mouse_on_gadget(tmp) && B1_JUST_PRESSED )
 191                 {
 192                         selected_gadget = tmp;
 193                         if (tmp->parent!=NULL)
 194                         {
 195                                 while (tmp->parent != NULL )
 196                                         tmp = tmp->parent;
 197                                 wnd->keyboard_focus_gadget = tmp;
 198                                 break;
 199                         }
 200                         else
 201                         {
 202                                 wnd->keyboard_focus_gadget = tmp;
 203                                 break;
 204                         }
 205                 }
 206                 if ( tmp->hotkey == keypress )
 207                 {
 208                         wnd->keyboard_focus_gadget = tmp;
 209                         break;
 210                 }
 211                 tmp = tmp->next;
 212         } while( tmp != wnd->gadget );
 213
 214         if (wnd->keyboard_focus_gadget != NULL)
 215         {
 216                 switch (keypress )
 217                 {
 218                         case (KEY_TAB):
 219                                 if ( wnd->keyboard_focus_gadget->when_tab != NULL )
 220                                         wnd->keyboard_focus_gadget = wnd->keyboard_focus_gadget->when_tab;
 221                                 break;
 222                         case (KEY_TAB+KEY_SHIFTED):
 223                                 if ( wnd->keyboard_focus_gadget->when_btab != NULL )
 224                                         wnd->keyboard_focus_gadget = wnd->keyboard_focus_gadget->when_btab;
 225                                 break;
 226                         case (KEY_UP):
 227                                 if ( wnd->keyboard_focus_gadget->when_up != NULL )
 228                                         wnd->keyboard_focus_gadget = wnd->keyboard_focus_gadget->when_up;
 229                                 break;
 230                         case (KEY_DOWN):
 231                                 if ( wnd->keyboard_focus_gadget->when_down != NULL )
 232                                         wnd->keyboard_focus_gadget = wnd->keyboard_focus_gadget->when_down;
 233                                 break;
 234                         case (KEY_LEFT):
 235                                 if ( wnd->keyboard_focus_gadget->when_left != NULL )
 236                                         wnd->keyboard_focus_gadget = wnd->keyboard_focus_gadget->when_left;
 237                                 break;
 238                         case (KEY_RIGHT):
 239                                 if ( wnd->keyboard_focus_gadget->when_right != NULL )
 240                                         wnd->keyboard_focus_gadget = wnd->keyboard_focus_gadget->when_right;
 241                                 break;
 242                 }
 243         }
 244
 245         if (wnd->keyboard_focus_gadget != tmp1)
 246         {
 247                 if (wnd->keyboard_focus_gadget != NULL )
 248                         wnd->keyboard_focus_gadget->status = 1;
 249                 if (tmp1 != NULL )
 250                         tmp1->status = 1;
 251         }
 252
 253         tmp = wnd->gadget;
 254         do
 255         {
 256                 if (!is_under_another_window( CurWindow, tmp )) {
 257                         UI_WINDOW *curwindow_save=CurWindow;
 258
 259                         switch( tmp->kind )
 260                         {
 261                         case 1:
 262                                 ui_button_do( (UI_GADGET_BUTTON *)tmp, keypress );
 263                                 break;
 264                         case 2:
 265                                 ui_listbox_do( (UI_GADGET_LISTBOX *)tmp, keypress );
 266                                 break;
 267                         case 3:
 268                                 ui_scrollbar_do( (UI_GADGET_SCROLLBAR *)tmp, keypress );
 269                                 break;
 270                         case 4:
 271                                 ui_radio_do( (UI_GADGET_RADIO *)tmp, keypress );
 272                                 break;
 273                         case 5:
 274                                 ui_checkbox_do( (UI_GADGET_CHECKBOX *)tmp, keypress );
 275                                 break;
 276                         case 6:
 277                                 ui_inputbox_do( (UI_GADGET_INPUTBOX *)tmp, keypress );
 278                                 break;
 279                         case 7:
 280                                 ui_userbox_do( (UI_GADGET_USERBOX *)tmp, keypress );
 281                                 break;
 282                         case 8:
 283                                 ui_keytrap_do( (UI_GADGET_KEYTRAP *)tmp, keypress );
 284                                 break;
 285                         case 9:
 286                                 ui_icon_do( (UI_GADGET_ICON *)tmp, keypress );
 287                                 break;
 288                         }
 289
 290                         CurWindow=curwindow_save;
 291                 }
 292
 293                 tmp = tmp->next;
 294         } while( tmp != wnd->gadget );
 295 }
 296
 297
 298
 299 UI_GADGET * ui_gadget_get_next( UI_GADGET * gadget )
 300 {
 301         UI_GADGET * tmp;
 302
 303         tmp = gadget->next;
 304
 305         while( tmp != gadget && (tmp->parent!=NULL) )
 306                 tmp = tmp->next;
 307
 308         return tmp;
 309 }
 310
 311 UI_GADGET * ui_gadget_get_prev( UI_GADGET * gadget )
 312 {
 313         UI_GADGET * tmp;
 314
 315         tmp = gadget->prev;
 316
 317         while( tmp != gadget && (tmp->parent!=NULL) )
 318                 tmp = tmp->prev;
 319
 320         return tmp;
 321 }
 322
 323 void ui_gadget_calc_keys( UI_WINDOW * wnd)
 324 {
 325         UI_GADGET * tmp;
 326
 327         tmp = wnd->gadget;
 328
 329         if (tmp==NULL) return;
 330
 331         do
 332         {
 333                 tmp->when_tab = ui_gadget_get_next(tmp);
 334                 tmp->when_btab = ui_gadget_get_prev(tmp);
 335
 336                 tmp = tmp->next;
 337         } while( tmp != wnd->gadget );
 338
 339 }