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/ Aminet 44 / Aminet 44 (2001)(GTI - Schatztruhe)[!][Aug 2001].iso / Aminet / dev / gui / gtlayout.lha / Source / LTP_SelectKeys.c < prev    next >
C/C++ Source or Header  |  1999-01-03  |  3KB  |  170 lines
  1. /*
  2. **    GadTools layout toolkit
  3. **
  4. **    Copyright © 1993-1999 by Olaf `Olsen' Barthel
  5. **        Freely distributable.
  6. **
  7. **    :ts=4
  8. */
  9.  
  10. #ifndef _GTLAYOUT_GLOBAL_H
  11. #include "gtlayout_global.h"
  12. #endif
  13.  
  14. #include "Assert.h"
  15.  
  16. #ifdef DO_PICKSHORTCUTS    /* Support code */
  17.  
  18. VOID
  19. LTP_SelectKeys(LayoutHandle *handle,ObjectNode *group)
  20. {
  21.     LONG            bunch;
  22.     ObjectNode *    node;
  23.     ULONG            page;
  24.     STRPTR *        lines;
  25.  
  26.     SCANPAGE(group,node,page)
  27.     {
  28.         bunch = 0;
  29.         lines = NULL;
  30.  
  31.         switch(node->Type)
  32.         {
  33.             case GROUP_KIND:
  34.  
  35.                 LTP_SelectKeys(handle,node);
  36.                 break;
  37.  
  38.             case TEXT_KIND:
  39.  
  40.                 if(!node->Special.Text.UsePicker)
  41.                     break;
  42.  
  43.             case PASSWORD_KIND:
  44.             case STRING_KIND:
  45.             case FRACTION_KIND:
  46.  
  47.                 if(node->Type != TEXT_KIND && node->Special.String.UsePicker)
  48.                     bunch = 255;
  49.  
  50.             case BUTTON_KIND:
  51.  
  52.                 if(node->Type == BUTTON_KIND)
  53.                 {
  54.                     if(!node->NoKey && node->Special.Button.Lines)
  55.                         lines = node->Special.Button.Lines;
  56.                 }
  57.  
  58.             case BOOPSI_KIND:
  59.             case CHECKBOX_KIND:
  60.             case INTEGER_KIND:
  61.  
  62.                 bunch++;
  63.  
  64.             case POPUP_KIND:
  65.             case TAB_KIND:
  66.             case LEVEL_KIND:
  67.             case TAPEDECK_KIND:
  68.             case TEXTEDIT_KIND:
  69.  
  70.             case LISTVIEW_KIND:
  71.             case MX_KIND:
  72.             case CYCLE_KIND:
  73.             case PALETTE_KIND:
  74.             case SCROLLER_KIND:
  75.             case SLIDER_KIND:
  76.  
  77.                 bunch++;
  78.  
  79.                 if(node->Label && !node->Key && !node->NoKey)
  80.                 {
  81.                     LONG    i,len,code,glyph;
  82.                     STRPTR    label;
  83.  
  84.                     do
  85.                     {
  86.                         if(lines)
  87.                         {
  88.                             if(!(label = *lines++))
  89.                                 break;
  90.                         }
  91.                         else
  92.                             label = node->Label;
  93.  
  94.                         len = strlen(label);
  95.  
  96.                         for(i = 0 ; i < len ; i++)
  97.                         {
  98.                             glyph    = ToLower(label[i]);
  99.                             code    = -1;
  100.  
  101.                             switch(bunch)
  102.                             {
  103.                                 case 1:    // Support increment & decrement
  104.  
  105.                                     if(LTP_Keys[0][glyph] && LTP_Keys[1][glyph])
  106.                                         code = LTP_Keys[0][glyph];
  107.  
  108.                                     break;
  109.  
  110.                                         // Any one will do
  111.  
  112.                                 case 2:
  113.  
  114.                                     if(LTP_Keys[0][glyph])
  115.                                         code = LTP_Keys[0][glyph];
  116.                                     else
  117.                                     {
  118.                                         if(LTP_Keys[1][glyph] && LTP_Keys[0][glyph])
  119.                                         {
  120.                                             if(ToLower(LTP_Keys[1][glyph]) == glyph)
  121.                                                 code = LTP_Keys[0][glyph];
  122.                                         }
  123.                                     }
  124.  
  125.                                     break;
  126.                             }
  127.  
  128.                             if(code != -1 && !handle->Keys[code])
  129.                             {
  130.                                 if(lines)
  131.                                 {
  132.                                     node->Special.Button.KeyStroke = &label[i];
  133.  
  134.                                     lines = NULL;
  135.                                 }
  136.                                 else
  137.                                 {
  138.                                     STRPTR newLabel;
  139.  
  140.                                     if(newLabel = LTP_Alloc(handle,len + 2))
  141.                                     {
  142.                                         node->Label = newLabel;
  143.  
  144.                                         if(i)
  145.                                             CopyMem(label,newLabel,i);
  146.  
  147.                                         newLabel[i] = '_';
  148.  
  149.                                         strcpy(&newLabel[i + 1],label + i);
  150.                                     }
  151.                                 }
  152.  
  153.                                 node->Key = code;
  154.  
  155.                                 handle->Keys[code] = handle->Keys[LTP_Keys[1][code]] = TRUE;
  156.  
  157.                                 break;
  158.                             }
  159.                         }
  160.                     }
  161.                     while(lines);
  162.                 }
  163.  
  164.                 break;
  165.         }
  166.     }
  167. }
  168.  
  169. #endif    /* DO_PICKSHORTCUTS */
  170.