Defer main window resize while minimized/maximized

Author: kalimag

src/BizHawk.Client.EmuHawk/MainForm.Events.cs

@@ -1585,6 +1585,11 @@ private void MainForm_Enter(object sender, EventArgs e)
 		private void MainForm_Resize(object sender, EventArgs e)
 		{
 			_presentationPanel.Resized = true;
+			if (_framebufferResizedPending && WindowState is FormWindowState.Normal)
+			{
+				_framebufferResizedPending = false;
+				FrameBufferResized();
+			}
 		}
 
 		private void MainForm_Shown(object sender, EventArgs e)

src/BizHawk.Client.EmuHawk/MainForm.cs

@@ -1390,6 +1390,12 @@ public void TakeScreenshot(string path)
 
 		public void FrameBufferResized(bool forceWindowResize = false)
 		{
+			if (WindowState is not FormWindowState.Normal)
+			{
+				// Wait until no longer maximized/minimized to get correct size/location values
+				_framebufferResizedPending = true;
+				return;
+			}
 			if (!Config.ResizeWithFramebuffer && !forceWindowResize)
 			{
 				return;
@@ -1692,6 +1698,7 @@ public bool RunLibretroCoreChooser()
 		private bool _inFullscreen;
 		private Point _windowedLocation;
 		private bool _needsFullscreenOnLoad;
+		private bool _framebufferResizedPending;
 
 		private int _lastOpenRomFilter;