// Bounds returns the outer bounding box Rectangle of the WidgetBase, including
// decorations.
//
// The coordinates are relative to the parent of the Widget.
func (wb *WidgetBase) Bounds() Rectangle {
b := wb.WindowBase.Bounds()
if wb.parent != nil {
p := win.POINT{int32(b.X), int32(b.Y)}
if !win.ScreenToClient(wb.parent.Handle(), &p) {
newError("ScreenToClient failed")
return Rectangle{}
}
b.X = int(p.X)
b.Y = int(p.Y)
}
return b
}
func (tw *TabWidget) resizePages() {
var r win.RECT
if !win.GetWindowRect(tw.hWndTab, &r) {
lastError("GetWindowRect")
return
}
p := win.POINT{
r.Left,
r.Top,
}
if !win.ScreenToClient(tw.hWnd, &p) {
newError("ScreenToClient failed")
return
}
r = win.RECT{
p.X,
p.Y,
r.Right - r.Left + p.X,
r.Bottom - r.Top + p.Y,
}
win.SendMessage(tw.hWndTab, win.TCM_ADJUSTRECT, 0, uintptr(unsafe.Pointer(&r)))
for _, page := range tw.pages.items {
if err := page.SetBounds(
Rectangle{
int(r.Left - 2),
int(r.Top),
int(r.Right - r.Left + 2),
int(r.Bottom - r.Top),
}); err != nil {
return
}
}
}