public Preview(Drawable drawable, SliceData sliceData)
{
MaxSize = drawable.Dimensions;
ExposeEvent += delegate { sliceData.Draw(Renderer); };
Realized += delegate
{
var gc = new Gdk.GC(GdkWindow);
Renderer = new PreviewRenderer(this, gc, drawable.Dimensions);
Draw(drawable);
};
SizeAllocated += delegate { Draw(drawable); };
Events = EventMask.ButtonPressMask | EventMask.ButtonReleaseMask |
EventMask.PointerMotionHintMask | EventMask.PointerMotionMask |
EventMask.LeaveNotifyMask;
ButtonPressEvent += (o, args) =>
{
var c = new IntCoordinate((int)args.Event.X, (int)args.Event.Y);
Func.GetActualFunc(c).OnButtonPress(o, args);
};
MotionNotifyEvent += (o, args) =>
{
GdkWindow.Cursor = Func.GetCursor(GetXY(args));
};
Func = new SelectFunc(sliceData, this);
}
public static MouseFunc GetActualFunc(IntCoordinate c, MouseFunc func)
{
var slice = func.SliceData.FindSlice(c);
return(func.SliceIsSelectable(slice)
? new MoveSliceFunc(func.SliceData, func.Preview, slice) : func);
}
RadioToolButton AddToggle(RadioToolButton group, string icon,
string tooltipText, MouseFunc func)
{
var list = (group == null) ? null : group.Group;
var toggle = new RadioToolButton(list, icon) {TooltipText = tooltipText};
toggle.Clicked += delegate
{
if (toggle.Active)
{
_preview.Func = func;
}
};
Insert(toggle, -1);
return toggle;
}
RadioToolButton AddToggle(RadioToolButton group, string icon,
string tooltipText, MouseFunc func)
{
var list = group?.Group;
var toggle = new RadioToolButton(list, icon)
{
TooltipText = tooltipText
};
toggle.Clicked += delegate
{
if (toggle.Active)
{
_preview.Func = func;
}
};
Insert(toggle, -1);
return(toggle);
}
public static MouseFunc GetActualFunc(IntCoordinate c, MouseFunc func)
{
var slice = func.SliceData.FindSlice(c);
return (func.SliceIsSelectable(slice))
? new MoveSliceFunc(func.SliceData, func.Preview, slice) : func;
}