Daniel,
I've done this in a project, basically, I keep an array of ints the same
size as the number of items in the list, and have a function for
toggling the ints in the array whenever an item is tapped.
You need to pick up the list event to change the "tick status" on a
selected item with something like this;
ToggleTickStatus(LstGetSelection((ListType *)
GetObjectPtr(GeneralBigList)));
and register a function to draw the list item like this;
LstSetDrawFunction((ListType *) GetObjectPtr(GeneralBigList)
,(void *)GeneralListTickDrawFunction);
You can pick the bones out of the code below to do what you need for the
draw function, hope it helps.
/**************************
Function to be called when general list items must be shown with ticks
***************************/
void GeneralListTickDrawFunction(UInt itemNum,RectanglePtr bounds,
CharPtr *itemsText)
{
FontID oldFont;
short osy=0;
oldFont=FntSetFont(symbol11Font);
if(oldFont==largeBoldFont) osy=1;
WinEraseRectangle(bounds,0);
if(GetTickStatus(itemNum))
{
WinDrawChars ("\001",1,
(short)(bounds->topLeft.x-3),(short)(bounds->topLeft.y+osy));
}
else
{
WinDrawChars ("\000",1,
(short)(bounds->topLeft.x-3),(short)(bounds->topLeft.y+osy));
}
oldFont=FntSetFont(oldFont);
WinDrawChars (itemsText[itemNum],StrLen(itemsText[itemNum]),
(short)(bounds->topLeft.x+10),(short)(bounds->topLeft.y));
}
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