1_Classic/IconListDef/IconListDef.h

/*
 
File: IconListDef.h
 
Abstract: Defines a custom List DEFinition function for a list of icons with text 
          labels
 
Version: 1.0
 
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*/
 
#include <Icons.h>
#include <Lists.h>
#include <MacTypes.h>
 
 
/*
    IconListCellDataRec
    
    Summary:
      This is the cell data structure required by IconListDef.  It consists of an icon 
      and a label string.
*/
struct IconListCellDataRec
{
    IconRef icon;
    Str255 name;
};
typedef struct IconListCellDataRec IconListCellDataRec;
typedef IconListCellDataRec *  IconListCellDataPtr;
 
 
/*
    IconListDef()
    
    Summary:
      A list definition function following the ListDefProcPtr specification in Lists.h.  
      It draws an icon and a text label below it in each cell which needs to be at least 
      32 pixels wide by 48 pixels high.  Since this function is a callback you don't 
      need to worry about its parameters.
    
    Discussion:
      This function requires Mac OS 8.5 or higher.  It draws the icon and text in a 
      variable width (but at least 32 pixels) 48 pixel-high rectangle which is 
      vertically centered in the cell and takes the full width of the cell.  The icon is 
      plotted in a 32x32 pixel rectangle horizontally centered at the top of the draw 
      rectangle.  The text is drawn centered in a text box at the botton of the draw 
      rectangle in the Views/List Theme Font with a 2-pixel space between the bottom of 
      the icon and the top of the text box.  You should handle a change in the list font 
      (which you can detect by registering a handler for the kAppearanceEventClass 
      kAEViewsFontChanged Apple Event) by invalidating the list's view rectangle.
      
      You need to use the IconListCellDataRec data type defined above for individual 
      cells' data.
*/
pascal void IconListDef(short message, Boolean selected, Rect *cellRect, Cell theCell, 
                        short dataOffset, short dataLen, ListHandle theList);