示例#1
0
文件: form.go 项目: kumakichi/walk
func (fb *FormBase) SaveState() error {
	if err := fb.clientComposite.SaveState(); err != nil {
		return err
	}

	var wp win.WINDOWPLACEMENT

	wp.Length = uint32(unsafe.Sizeof(wp))

	if !win.GetWindowPlacement(fb.hWnd, &wp) {
		return lastError("GetWindowPlacement")
	}

	state := fmt.Sprint(
		wp.Flags, wp.ShowCmd,
		wp.PtMinPosition.X, wp.PtMinPosition.Y,
		wp.PtMaxPosition.X, wp.PtMaxPosition.Y,
		wp.RcNormalPosition.Left, wp.RcNormalPosition.Top,
		wp.RcNormalPosition.Right, wp.RcNormalPosition.Bottom)

	if err := fb.putState(state); err != nil {
		return err
	}

	return nil
}
示例#2
0
文件: form.go 项目: kumakichi/walk
func (fb *FormBase) RestoreState() error {
	if fb.isInRestoreState {
		return nil
	}
	fb.isInRestoreState = true
	defer func() {
		fb.isInRestoreState = false
	}()

	state, err := fb.getState()
	if err != nil {
		return err
	}
	if state == "" {
		return nil
	}

	var wp win.WINDOWPLACEMENT

	if _, err := fmt.Sscan(state,
		&wp.Flags, &wp.ShowCmd,
		&wp.PtMinPosition.X, &wp.PtMinPosition.Y,
		&wp.PtMaxPosition.X, &wp.PtMaxPosition.Y,
		&wp.RcNormalPosition.Left, &wp.RcNormalPosition.Top,
		&wp.RcNormalPosition.Right, &wp.RcNormalPosition.Bottom); err != nil {
		return err
	}

	wp.Length = uint32(unsafe.Sizeof(wp))

	if !win.SetWindowPlacement(fb.hWnd, &wp) {
		return lastError("SetWindowPlacement")
	}

	return fb.clientComposite.RestoreState()
}