func (gb *GroupBox) WndProc(hwnd win.HWND, msg uint32, wParam, lParam uintptr) uintptr {
if gb.composite != nil {
switch msg {
case win.WM_COMMAND, win.WM_NOTIFY:
gb.composite.WndProc(hwnd, msg, wParam, lParam)
case win.WM_SETTEXT:
gb.titleChangedPublisher.Publish()
case win.WM_SIZE, win.WM_SIZING:
wbcb := gb.WidgetBase.ClientBounds()
if !win.MoveWindow(
gb.hWndGroupBox,
int32(wbcb.X),
int32(wbcb.Y),
int32(wbcb.Width),
int32(wbcb.Height),
true) {
lastError("MoveWindow")
break
}
gbcb := gb.ClientBounds()
gb.composite.SetBounds(gbcb)
}
}
return gb.WidgetBase.WndProc(hwnd, msg, wParam, lParam)
}
func (tw *TabWidget) onResize(lParam uintptr) {
r := win.RECT{0, 0, win.GET_X_LPARAM(lParam), win.GET_Y_LPARAM(lParam)}
if !win.MoveWindow(tw.hWndTab, r.Left, r.Top, r.Right-r.Left, r.Bottom-r.Top, true) {
lastError("MoveWindow")
return
}
tw.resizePages()
}
// SetBounds sets the outer bounding box Rectangle of the *WindowBase,
// including decorations.
//
// For a Form, like *MainWindow or *Dialog, the Rectangle is in screen
// coordinates, for a child Window the coordinates are relative to its parent.
func (wb *WindowBase) SetBounds(bounds Rectangle) error {
if !win.MoveWindow(
wb.hWnd,
int32(bounds.X),
int32(bounds.Y),
int32(bounds.Width),
int32(bounds.Height),
true) {
return lastError("MoveWindow")
}
return nil
}