Exemplo n.º 1
0
func fitRectToScreen(hWnd win.HWND, r Rectangle) Rectangle {
	var mi win.MONITORINFO
	mi.CbSize = uint32(unsafe.Sizeof(mi))

	if !win.GetMonitorInfo(win.MonitorFromWindow(
		hWnd, win.MONITOR_DEFAULTTOPRIMARY), &mi) {

		return r
	}

	mon := rectangleFromRECT(mi.RcWork)

	mon.Height -= int(win.GetSystemMetrics(win.SM_CYCAPTION))

	if r.Width <= mon.Width {
		switch {
		case r.X < mon.X:
			r.X = mon.X
		case r.X+r.Width > mon.X+mon.Width:
			r.X = mon.X + mon.Width - r.Width
		}
	}

	if r.Height <= mon.Height {
		switch {
		case r.Y < mon.Y:
			r.Y = mon.Y
		case r.Y+r.Height > mon.Y+mon.Height:
			r.Y = mon.Y + mon.Height - r.Height
		}
	}

	return r
}
Exemplo n.º 2
0
func (mw *MainWindow) SetFullscreen(fullscreen bool) error {
	if fullscreen == mw.Fullscreen() {
		return nil
	}

	if fullscreen {
		var mi win.MONITORINFO
		mi.CbSize = uint32(unsafe.Sizeof(mi))

		if mw.windowPlacement == nil {
			mw.windowPlacement = new(win.WINDOWPLACEMENT)
		}

		if !win.GetWindowPlacement(mw.hWnd, mw.windowPlacement) {
			return lastError("GetWindowPlacement")
		}
		if !win.GetMonitorInfo(win.MonitorFromWindow(
			mw.hWnd, win.MONITOR_DEFAULTTOPRIMARY), &mi) {

			return newError("GetMonitorInfo")
		}

		if err := mw.ensureStyleBits(win.WS_OVERLAPPEDWINDOW, false); err != nil {
			return err
		}

		if r := mi.RcMonitor; !win.SetWindowPos(
			mw.hWnd, win.HWND_TOP,
			r.Left, r.Top, r.Right-r.Left, r.Bottom-r.Top,
			win.SWP_FRAMECHANGED|win.SWP_NOOWNERZORDER) {

			return lastError("SetWindowPos")
		}
	} else {
		if err := mw.ensureStyleBits(win.WS_OVERLAPPEDWINDOW, true); err != nil {
			return err
		}

		if !win.SetWindowPlacement(mw.hWnd, mw.windowPlacement) {
			return lastError("SetWindowPlacement")
		}

		if !win.SetWindowPos(mw.hWnd, 0, 0, 0, 0, 0, win.SWP_FRAMECHANGED|win.SWP_NOMOVE|
			win.SWP_NOOWNERZORDER|win.SWP_NOSIZE|win.SWP_NOZORDER) {

			return lastError("SetWindowPos")
		}
	}

	return nil
}