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/ CU Amiga Super CD-ROM 21 / CU Amiga Magazine's Super CD-ROM 21 (1998)(EMAP Images)(GB)[!][issue 1998-04].iso / CUCD / Programming / VisualBuilder / source / DropObjSubs.c < prev    next >
Text File  |  1997-08-22  |  3KB  |  101 lines
  1. Object *CreateDropObj(int type)
  2. { switch (type)
  3.     { case MUIC_DropButton:        return(DropButtonObject("Button"));
  4.       case MUIC_DropText:          return(DropTextObject("Text"));
  5.       case MUIC_DropListview:      return(DropListviewObject);
  6.       case MUIC_DropString:        return(DropStringObject("String"));
  7.       case MUIC_DropCycle:         return(DropCycleObject(entries));
  8.       case MUIC_DropRadio:         return(DropRadioObject(entries));
  9.       case MUIC_DropCheckmark:     return(DropCheckmarkObject);
  10.       case MUIC_DropGroup:         return(DropGroupObject("Group"), Child, HSpace(1), End);
  11.       case MUIC_DropGauge:         return(DropGaugeObject);
  12.       case MUIC_DropScale:         return(DropScaleObject);
  13.       case MUIC_DropBalance:       return(DropBalanceObject);
  14.       case MUIC_DropImage:         return(DropImageObject);
  15.       case MUIC_DropSlider:        return(DropSliderObject);
  16.       case MUIC_DropKnob:          return(DropKnobObject);
  17.       case MUIC_DropLevelmeter:    return(DropLevelmeterObject);
  18.       case MUIC_DropNumericbutton: return(DropNumericbuttonObject);
  19.       default:                     return(NULL);
  20.     }    
  21. }
  22.         
  23. VOID Group_Append(Object *new, Object *group)
  24. {
  25.   if (DoMethod(group,MUIM_Group_InitChange))
  26.   {
  27.     DoMethod(group,OM_ADDMEMBER,new);
  28.     DoMethod(group,MUIM_Group_ExitChange);
  29.   }
  30. }
  31.  
  32. VOID Group_Remove(Object *obj)
  33. {
  34.   Object *group;
  35.   
  36.   get(obj,MUIA_Parent,&group);
  37.   if (DoMethod(group,MUIM_Group_InitChange))
  38.   { 
  39.     DoMethod(group,OM_REMMEMBER,obj);
  40.     DoMethod(group,MUIM_Group_ExitChange);
  41.   }
  42. }
  43.  
  44. VOID Group_Insert(Object *new, Object *obj, Object *group)
  45. { 
  46.   if (DoMethod(group,MUIM_Group_InitChange))
  47.   { 
  48.     Insert_Member(new,obj,group);
  49.     DoMethod(group,MUIM_Group_ExitChange);
  50.   }
  51. }
  52.  
  53. VOID Group_Move(Object *source, Object *dest)
  54. { 
  55.   Object *oldgroup, *newgroup;
  56.   
  57.   get(source,MUIA_Parent,&oldgroup);
  58.   get(dest,MUIA_Parent,&newgroup);
  59.   
  60.   if (DoMethod(oldgroup,MUIM_Group_InitChange))
  61.   { 
  62.     DoMethod(oldgroup,OM_REMMEMBER,source);
  63.     DoMethod(oldgroup,MUIM_Group_ExitChange);
  64.   }
  65.  
  66.   if (DoMethod(newgroup,MUIM_Group_InitChange))
  67.   { 
  68.     Insert_Member(source,dest,newgroup);
  69.     DoMethod(newgroup,MUIM_Group_ExitChange);
  70.   }
  71. }
  72.  
  73. /************************************************************/
  74. /* For now only an objectlist of 100 objects is supported   */
  75. /***********************************************************/
  76. VOID Insert_Member(Object *new, Object *obj, Object *group)
  77. { 
  78.   Object *child, *childlist=NULL, *objlist[100];
  79.   int i;
  80.  
  81.     /* Not very elegant, but there really should be a MUIM_Group_Insert */
  82.     get(group,MUIA_Group_ChildList,&childlist);
  83.  
  84.     /* Get all objects */
  85.     for(i=0;child=NextObject(&childlist);i++)
  86.       objlist[i]=child;
  87.     objlist[i]=NULL;
  88.  
  89.     /* Skip to the object */
  90.     for(i=0;objlist[i]!=obj;i++);
  91.        
  92.     /* Add the new object */
  93.     DoMethod(group,OM_ADDMEMBER,new);
  94.  
  95.     /* Remove and then add then remaining objects to the end of the list*/
  96.     for(;objlist[i]!=NULL;i++)
  97.     { DoMethod(group,OM_REMMEMBER,objlist[i]);
  98.       DoMethod(group,OM_ADDMEMBER,objlist[i]);
  99.     }
  100. } 
  101.