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/ EnigmA Amiga Run 1997 April / EnigmA AMIGA RUN 17 (1997)(G.R. Edizioni)(IT)[!][issue 1997-04][EAR-CD].iso / EARCD / comm / term / term_47a_pch.lha / Source / gtlayout-38.3 / LTP_CreateObjectNode.c < prev    next >
C/C++ Source or Header  |  1996-11-10  |  5KB  |  312 lines
  1. /*
  2. **    GadTools layout toolkit
  3. **
  4. **    Copyright © 1993-1996 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. ObjectNode *
  15. LTP_CreateObjectNode(LayoutHandle *handle,LONG type,ULONG id,STRPTR label)
  16. {
  17.     ObjectNode *node;
  18.     ULONG size,extra;
  19.  
  20.     if(type < BUTTON_KIND || (type > TEXT_KIND && type < INCREMENTER_KIND) || type > BLANK_KIND)
  21.         return(NULL);
  22.  
  23.     switch(type)
  24.     {
  25. #ifdef DO_GAUGE_KIND
  26.  
  27.         case GAUGE_KIND:
  28.  
  29.             extra = sizeof(GaugeExtra);
  30.             break;
  31. #endif
  32.  
  33. #ifdef DO_TAPEDECK_KIND
  34.         case TAPEDECK_KIND:
  35.  
  36.             extra = sizeof(TapeDeckExtra);
  37.             break;
  38. #endif    /* DO_TAPEDECK_KIND */
  39.  
  40. #ifdef DO_LEVEL_KIND
  41.         case LEVEL_KIND:
  42.  
  43.             extra = sizeof(LevelExtra);
  44.             break;
  45. #endif    /* DO_LEVEL_KIND */
  46.  
  47.         case BUTTON_KIND:
  48.  
  49.             extra = sizeof(ButtonExtra);
  50.             break;
  51.  
  52.         case XBAR_KIND:
  53.         case YBAR_KIND:
  54.  
  55.             extra = sizeof(BarExtra);
  56.             break;
  57.  
  58.         case BOX_KIND:
  59.  
  60.             extra = sizeof(BoxExtra);
  61.             break;
  62.  
  63.         case FRAME_KIND:
  64.  
  65.             extra = sizeof(FrameExtra);
  66.             break;
  67.  
  68.         case PICKER_KIND:
  69.  
  70.             extra = sizeof(PickerExtra);
  71.             break;
  72.  
  73.         case INCREMENTER_KIND:
  74.  
  75.             extra = sizeof(IncrementerExtra);
  76.             break;
  77.  
  78.         case LISTVIEW_KIND:
  79.  
  80.             extra = sizeof(ListExtra);
  81.             break;
  82.  
  83.         case MX_KIND:
  84.  
  85.             extra = sizeof(RadioExtra);
  86.             break;
  87.  
  88.         case TEXT_KIND:
  89.  
  90.             extra = sizeof(TextExtra);
  91.             break;
  92.  
  93.         case NUMBER_KIND:
  94.  
  95.             extra = sizeof(NumberExtra);
  96.             break;
  97.  
  98.         case CYCLE_KIND:
  99.  
  100.             extra = sizeof(CycleExtra);
  101.             break;
  102.  
  103. #if defined(DO_POPUP_KIND) && defined(DO_BOOPSI_KIND)
  104.         case POPUP_KIND:
  105.  
  106.             extra = sizeof(PopupExtra);
  107.             break;
  108. #endif
  109.  
  110. #if defined(DO_TAB_KIND) && defined(DO_BOOPSI_KIND)
  111.         case TAB_KIND:
  112.  
  113.             extra = sizeof(TabExtra);
  114.             break;
  115. #endif
  116.  
  117.         case PALETTE_KIND:
  118.  
  119.             extra = sizeof(PalExtra);
  120.             break;
  121.  
  122.         case SLIDER_KIND:
  123.  
  124.             extra = sizeof(SliderExtra);
  125.             break;
  126.  
  127.         case SCROLLER_KIND:
  128.  
  129.             extra = sizeof(ScrollerExtra);
  130.             break;
  131.  
  132.         case INTEGER_KIND:
  133.  
  134.             extra = sizeof(IntegerExtra);
  135.             break;
  136.  
  137.         case PASSWORD_KIND:
  138.         case STRING_KIND:
  139.         case FRACTION_KIND:
  140.  
  141.             extra = sizeof(StringExtra);
  142.             break;
  143.  
  144.         case HORIZONTAL_KIND:
  145.         case VERTICAL_KIND:
  146.  
  147.             extra = sizeof(GroupExtra);
  148.             break;
  149.  
  150. #ifdef DO_BOOPSI_KIND
  151.         case BOOPSI_KIND:
  152.  
  153.             extra = sizeof(BOOPSIExtra);
  154.             break;
  155. #endif    /* DO_BOOPSI_KIND */
  156.  
  157.         default:
  158.  
  159.             extra = 0;
  160.             break;
  161.     }
  162.  
  163.     size = offsetof(ObjectNode,Special) + extra;
  164.  
  165.     if(node = LTP_Alloc(handle,size))
  166.     {
  167.         node->Type        = type;
  168.         node->Label        = label;
  169.         node->ID        = id;
  170.         node->PointBack    = node;
  171.  
  172.         switch(type)
  173.         {
  174.             case LISTVIEW_KIND:
  175.  
  176.                 node->LabelPlace                = PLACE_ABOVE;
  177.                 node->Lines                        = 1;
  178.                 node->Current                     = ~0;
  179.                 node->Special.List.LinkID        = -1;
  180.                 node->Special.List.AutoPageID    = -1;
  181.  
  182.                 break;
  183.  
  184.             case PASSWORD_KIND:
  185.             case STRING_KIND:
  186.             case FRACTION_KIND:
  187.  
  188.                 node->Special.String.LayoutHandle     = handle;
  189.                 node->Special.String.LinkID            = -1;
  190.                 node->Special.String.MaxChars        = 256;
  191.  
  192.                 break;
  193.  
  194.             case INTEGER_KIND:
  195.  
  196.                 node->Special.Integer.LayoutHandle    = handle;
  197.                 node->Min                            = -2147483647;
  198.                 node->Max                            = 2147483647;
  199.                 node->Special.Integer.MaxChars        = 11;
  200.  
  201.                 break;
  202. #ifdef DO_BOOPSI_KIND
  203.             case BOOPSI_KIND:
  204.  
  205.                 node->Special.BOOPSI.Link = NIL_LINK;
  206.                 break;
  207. #endif    /* DO_BOOPSI_KIND */
  208.  
  209. #ifdef DO_TAPEDECK_KIND
  210.             case TAPEDECK_KIND:
  211.  
  212.                 node->LabelPlace = PLACE_BELOW;
  213.                 break;
  214. #endif    /* DO_TAPEDECK_KIND */
  215.  
  216.             case MX_KIND:
  217.  
  218.                 node->LabelPlace                    = PLACE_RIGHT;
  219.                 node->Special.Radio.TitlePlace        = PLACETEXT_LEFT;
  220.                 node->Special.Radio.AutoPageID        = -1;
  221.  
  222.                 break;
  223. #if defined(DO_POPUP_KIND) && defined(DO_BOOPSI_KIND)
  224.             case POPUP_KIND:
  225.  
  226.                 node->Special.Popup.AutoPageID = -1;
  227.                 break;
  228. #endif
  229.  
  230. #if defined(DO_TAB_KIND) && defined(DO_BOOPSI_KIND)
  231.             case TAB_KIND:
  232.  
  233.                 node->Special.Tab.AutoPageID = -1;
  234.                 break;
  235. #endif
  236.             case CYCLE_KIND:
  237.  
  238.                 node->Special.Cycle.AutoPageID = -1;
  239.                 break;
  240.  
  241.             case SCROLLER_KIND:
  242.  
  243.                 node->Special.Scroller.Visible        = 2;
  244.                 node->Special.Scroller.RelVerify    = TRUE;
  245.                 node->Special.Scroller.Immediate    = TRUE;
  246.                 break;
  247.  
  248.             case SLIDER_KIND:
  249.  
  250.                 node->Special.Slider.LevelPlace        = PLACETEXT_LEFT;
  251.                 node->Special.Slider.LevelFormat    = (LocaleBase && LocaleBase->lb_SysPatches) ? "%lD" : "%ld";
  252.  
  253.                 break;
  254.  
  255.             case FRAME_KIND:
  256.  
  257.                 node->Special.Frame.DrawBox = TRUE;
  258.                 node->Special.Frame.Dummy.GadgetID = id;
  259.                 break;
  260.  
  261.             case BOX_KIND:
  262.  
  263.                 node->Special.Box.DrawBox = TRUE;
  264.                 break;
  265.  
  266.             case TEXT_KIND:
  267.  
  268.                 node->Special.Text.FrontPen = node->Special.Text.BackPen = -1;
  269.                 break;
  270.  
  271.             case NUMBER_KIND:
  272.  
  273.                 node->Special.Number.FrontPen = node->Special.Number.BackPen = -1;
  274.                 node->Special.Number.MaxNumberLen = 10;
  275.                 break;
  276.  
  277.             case HORIZONTAL_KIND:
  278.  
  279.                 node->Special.Group.Horizontal = TRUE;
  280.  
  281.                 /* Fall through to... */
  282.  
  283.             case VERTICAL_KIND:
  284.  
  285.                 node->Type            = GROUP_KIND;
  286.                 node->LabelPlace    = PLACE_IN;
  287. #ifdef NOT_FUNCTIONAL
  288.                 node->Special.Group.UseWidth = node->Special.Group.UseHeight = -1;
  289. #endif    // NOT_FUNCTIONAL
  290.                 break;
  291. #ifdef DO_LEVEL_KIND
  292.             case LEVEL_KIND:
  293.  
  294.                 node->Special.Level.LevelPlace    = PLACETEXT_LEFT;
  295.                 node->LabelPlace                = PLACE_LEFT;
  296.                 node->Special.Level.LevelFormat    = (LocaleBase && LocaleBase->lb_SysPatches) ? "%lD" : "%ld";
  297.  
  298.                 break;
  299. #endif    /* DO_LEVEL_KIND */
  300.  
  301. #ifdef DO_GAUGE_KIND
  302.             case GAUGE_KIND:
  303.  
  304.                 node->Special.Gauge.LastPercentage = -1;
  305.                 break;
  306. #endif    /* DO_GAUGE_KIND */
  307.         }
  308.     }
  309.  
  310.     return(node);
  311. }
  312.