Filter options for errors panel

BeefLibs/Beefy2D/src/theme/dark/DarkButton.bf

@@ -11,6 +11,8 @@ namespace Beefy.theme.dark
     {
         public String mLabel ~ delete _;
 		public float mDrawDownPct;
+		public FontAlign mLabelAlign = .Centered;
+		public float mLabelXOfs;
 		public float mLabelYOfs;
 
         [DesignEditable(DefaultEditString=true)]
@@ -79,7 +81,7 @@ namespace Beefy.theme.dark
                 using (g.PushColor(mDisabled ? 0x80FFFFFF : Color.White))
                 {
 					using (g.PushColor(DarkTheme.COLOR_TEXT))
-						DarkTheme.DrawUnderlined(g, mLabel, GS!(2), (mHeight - GS!(20)) / 2 + mLabelYOfs, .Centered, mWidth - GS!(4), .Truncate);
+						DarkTheme.DrawUnderlined(g, mLabel, GS!(2) + mLabelXOfs, (mHeight - GS!(20)) / 2 + mLabelYOfs, mLabelAlign, mWidth - GS!(4) - mLabelXOfs, .Truncate);
                 }
             }
         }

IDE/src/IDEApp.bf

@@ -7342,6 +7342,8 @@ namespace IDE
 			if ((setFocus) && (sourceViewPanel.mWidgetWindow != null))
 				sourceViewPanel.FocusEdit();
 
+			mErrorsPanel?.OnSourceViewOpened();
+
 			return (sourceViewPanel, newTabButton);
 		}
 
@@ -7656,6 +7658,8 @@ namespace IDE
 				}
 			}
 
+			mErrorsPanel?.OnSourceViewClosed();
+
 			//var intDict = scope Dictionary<String, int>();
 
 			/*if (mRecentFilesList.Count >= 1)