From f8866017a12e8670410dbc8c7bf364d4409d0f15 Mon Sep 17 00:00:00 2001
From: UnknownShadow200 <unknownshadow200@gmail.com>
Date: Thu, 28 Jan 2016 15:34:34 +1100
Subject: [PATCH] Don't draw to framebuffer when the window is minimised, fixes
 crashing.

---
 Launcher2/Gui/Widgets/LauncherBooleanWidget.cs | 1 +
 Launcher2/Gui/Widgets/LauncherButtonWidget.cs  | 3 +++
 Launcher2/Gui/Widgets/LauncherInputWidget.cs   | 3 ++-
 Launcher2/Gui/Widgets/LauncherLabelWidget.cs   | 1 +
 Launcher2/LauncherWindow.cs                    | 5 +++++
 5 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/Launcher2/Gui/Widgets/LauncherBooleanWidget.cs b/Launcher2/Gui/Widgets/LauncherBooleanWidget.cs
index 09aea7bf1..61fc1d8b2 100644
--- a/Launcher2/Gui/Widgets/LauncherBooleanWidget.cs
+++ b/Launcher2/Gui/Widgets/LauncherBooleanWidget.cs
@@ -22,6 +22,7 @@ namespace Launcher2 {
 		}
 		
 		public override void Redraw( IDrawer2D drawer ) {
+			if( Window.Minimised ) return;
 			drawer.DrawRect( FastColour.Black, X, Y, Width, Height );
 			if( Value ) {
 				DrawTextArgs args = new DrawTextArgs( "X", font, false );
diff --git a/Launcher2/Gui/Widgets/LauncherButtonWidget.cs b/Launcher2/Gui/Widgets/LauncherButtonWidget.cs
index d71f2ee3b..ebeb20844 100644
--- a/Launcher2/Gui/Widgets/LauncherButtonWidget.cs
+++ b/Launcher2/Gui/Widgets/LauncherButtonWidget.cs
@@ -27,6 +27,7 @@ namespace Launcher2 {
 		}
 		
 		public override void Redraw( IDrawer2D drawer ) {
+			if( Window.Minimised ) return;
 			string text = Text;
 			if( !Active ) text = "&7" + text;
 			int xOffset = Width - textSize.Width, yOffset = Height - textSize.Height;
@@ -62,11 +63,13 @@ namespace Launcher2 {
 		}
 		
 		public void RedrawBackground() {
+			if( Window.Minimised ) return;
 			using( FastBitmap dst = new FastBitmap( Window.Framebuffer, true ) )
 				RedrawBackground( dst );
 		}
 		
 		public void RedrawBackground( FastBitmap dst ) {
+			if( Window.Minimised ) return;
 			Rectangle rect = new Rectangle( X + border, Y + border, Width - border * 2, Height - border * 2 );
 			if( Window.ClassicMode ) {
 				FastColour foreCol = Active ? new FastColour( 126, 136, 191 ) : new FastColour( 111, 111, 111 );
diff --git a/Launcher2/Gui/Widgets/LauncherInputWidget.cs b/Launcher2/Gui/Widgets/LauncherInputWidget.cs
index 4bf9b3b70..19c10ab5f 100644
--- a/Launcher2/Gui/Widgets/LauncherInputWidget.cs
+++ b/Launcher2/Gui/Widgets/LauncherInputWidget.cs
@@ -73,7 +73,8 @@ namespace Launcher2 {
 			Size size = drawer.MeasureSize( ref args );
 			Width = Math.Max( ButtonWidth, size.Width + 15 );
 			textHeight = size.Height;	
-			args.SkipPartsCheck = true;
+			args.SkipPartsCheck = true;			
+			if( Window.Minimised ) return;
 			
 			FastColour col = Active ? new FastColour( 240, 240, 240 ) : new FastColour( 180, 180, 180 );
 			drawer.Clear( col, X + 1, Y, Width - 2, 2 );
diff --git a/Launcher2/Gui/Widgets/LauncherLabelWidget.cs b/Launcher2/Gui/Widgets/LauncherLabelWidget.cs
index 8addff9a9..a78f71e9f 100644
--- a/Launcher2/Gui/Widgets/LauncherLabelWidget.cs
+++ b/Launcher2/Gui/Widgets/LauncherLabelWidget.cs
@@ -24,6 +24,7 @@ namespace Launcher2 {
 		}
 		
 		public override void Redraw( IDrawer2D drawer ) {
+			if( Window.Minimised ) return;
 			DrawTextArgs args = new DrawTextArgs( Text, font, true );
 			drawer.DrawText( ref args, X, Y );
 		}
diff --git a/Launcher2/LauncherWindow.cs b/Launcher2/LauncherWindow.cs
index 4cd0798fd..840cd6c77 100644
--- a/Launcher2/LauncherWindow.cs
+++ b/Launcher2/LauncherWindow.cs
@@ -44,6 +44,10 @@ namespace Launcher2 {
 		/// <summary> Whether at the next tick, the launcher window should proceed to stop displaying frames and subsequently exit. </summary>
 		public bool ShouldExit;
 		
+		public bool Minimised {
+			get { return Window.WindowState == WindowState.Minimized || (Width == 1 && Height == 1); }
+		}
+		
 		/// <summary> Contains metadata attached for different screen instances,
 		/// typically used to save 'last text entered' text when a screen is disposed. </summary>
 		public Dictionary<string, Dictionary<string, object>> ScreenMetadata =
@@ -60,6 +64,7 @@ namespace Launcher2 {
 			logoFont = new Font( "Arial", 24, FontStyle.Regular );
 			string path = Assembly.GetExecutingAssembly().Location;
 			Window.Icon = Icon.ExtractAssociatedIcon( path );
+			//Minimised = Window.WindowState == WindowState.Minimized;
 			                                         
 			if( Configuration.RunningOnWindows )
 				platformDrawer = new WinPlatformDrawer();