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
}
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
}