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Native window decorations: fixed broken maximizing window when restoring frame state at startup (issue #283)

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This commit is contained in:
Karl Tauber
2021-03-25 10:32:24 +01:00
parent 8a6a0c7971
commit c24ce7c5bc
7 changed files with 48 additions and 13 deletions
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13
flatlaf-natives/flatlaf-natives-jna/src/main/java/com/formdev/flatlaf/natives/jna/windows/FlatWindowsNativeWindowBorder.java
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@@ -338,7 +338,16 @@ public class FlatWindowsNativeWindowBorder
defaultWndProc = User32Ex.INSTANCE.SetWindowLong( hwnd, GWLP_WNDPROC, this );
// remove the OS window title bar
updateFrame();
if( window instanceof JFrame && ((JFrame)window).getExtendedState() != 0 ) {
// In case that the frame should be maximized or minimized immediately
// when showing, then it is necessary to defer ::SetWindowPos() invocation.
// Otherwise the frame will not be maximized or minimized.
// This occurs only if frame.pack() was no invoked.
EventQueue.invokeLater( () -> {
updateFrame();
});
} else
updateFrame();
}
void uninstall() {
@@ -358,7 +367,7 @@ public class FlatWindowsNativeWindowBorder
private void updateFrame() {
// this sends WM_NCCALCSIZE and removes/shows the window title bar
User32.INSTANCE.SetWindowPos( hwnd, hwnd, 0, 0, 0, 0,
SWP_FRAMECHANGED | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER );
SWP_FRAMECHANGED | SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
}
/**