/**
* Get the current state of a window.
*
* @param hWnd native window handle
* @return window state
*/
private WindowState getWindowState(HWND hWnd) {
WindowState windowState = new WindowState();
windowState.setMaximized(ExtendedUser32.INSTANCE.IsZoomed(hWnd));
if (windowState.getMaximized()) {
ExtendedUser32.INSTANCE.SendMessage(
hWnd, User32.WM_SYSCOMMAND, new WPARAM(ExtendedUser32.SC_RESTORE), new LPARAM(0));
}
windowState.setStyle(ExtendedUser32.INSTANCE.GetWindowLong(hWnd, ExtendedUser32.GWL_STYLE));
windowState.setExStyle(ExtendedUser32.INSTANCE.GetWindowLong(hWnd, ExtendedUser32.GWL_EXSTYLE));
RECT rect = new RECT();
boolean gotWindowRect = ExtendedUser32.INSTANCE.GetWindowRect(hWnd, rect);
if (gotWindowRect) {
windowState.setLeft(rect.left);
windowState.setTop(rect.top);
windowState.setRight(rect.right);
windowState.setBottom(rect.bottom);
}
return windowState;
}
/**
* Set the full-screen state of the window.
*
* @param fullScreen <code>true</code> to set full-screen; <code>false</code> to exit full-screen
*/
void setFullScreen(boolean fullScreen) {
HWND hWnd = getHWND(Native.getComponentID(window));
if (fullScreen) {
windowState = getWindowState(hWnd);
ExtendedUser32.INSTANCE.SetWindowLong(
hWnd, GWL_STYLE, windowState.getStyle() & ~(WS_CAPTION | WS_THICKFRAME));
ExtendedUser32.INSTANCE.SetWindowLong(
hWnd,
GWL_EXSTYLE,
windowState.getExStyle()
& ~(WS_EX_DLGMODALFRAME | WS_EX_WINDOWEDGE | WS_EX_CLIENTEDGE | WS_EX_STATICEDGE));
MONITORINFO monitorInfo = getMonitorInfo(hWnd);
RECT rect = monitorInfo.rcMonitor;
ExtendedUser32.INSTANCE.SetWindowPos(
hWnd,
null,
rect.left,
rect.top,
rect.right - rect.left,
rect.bottom - rect.top,
SWP_NOZORDER | SWP_NOACTIVATE | SWP_FRAMECHANGED);
} else {
ExtendedUser32.INSTANCE.SetWindowLong(hWnd, GWL_STYLE, windowState.getStyle());
ExtendedUser32.INSTANCE.SetWindowLong(hWnd, GWL_EXSTYLE, windowState.getExStyle());
ExtendedUser32.INSTANCE.SetWindowPos(
hWnd,
null,
windowState.getLeft(),
windowState.getTop(),
windowState.getRight() - windowState.getLeft(),
windowState.getBottom() - windowState.getTop(),
SWP_NOZORDER | SWP_NOACTIVATE | SWP_FRAMECHANGED);
if (windowState.getMaximized()) {
ExtendedUser32.INSTANCE.SendMessage(
hWnd, User32.WM_SYSCOMMAND, new WPARAM(WinUser.SC_MAXIMIZE), new LPARAM(0));
}
}
}