rollover styles for tab buttons

Author: robinrodricks

src/Config/BrowserTabStyle.cs

@@ -12,10 +12,11 @@ internal static class BrowserTabStyle {
 		public static int TabButton_Y = 10;
 		public static int Tab_IconSize = 16;
 
-		public static Color SelectedTabBackColor = Color.FromArgb(247, 247, 247);
-		public static Color NormalTabBackColor = Color.FromArgb(225, 225, 225);
+		public static Color TabBackColor_Rollover = Color.LightGray;
+		public static Color TabBackColor_Selected = Color.FromArgb(255, 255, 255);
+		public static Color TabBackColor_Normal = Color.FromArgb(225, 225, 225);
 
-		public static SolidBrush BackColor = new SolidBrush(NormalTabBackColor);
+		public static SolidBrush BackColor = new SolidBrush(TabBackColor_Normal);
 
 		public static Color TabBorderColor = Color.LightGray;
 		public static float TabBorderThickness = 2;

src/Controls/BrowserTabStrip/BrowserTabStrip.cs

@@ -32,6 +32,8 @@ internal class BrowserTabStrip : BaseStyledPanel, ISupportInitialize, IDisposabl
 		public int MaxTabSize = 200;
 		public int AddButtonWidth = 40;
 
+		private Point LastMousePos;
+
 		[RefreshProperties(RefreshProperties.All)]
 		[DefaultValue(null)]
 		public BrowserTabPage SelectedTab {
@@ -299,20 +301,26 @@ private void CloseActiveTab() {
 		protected override void OnMouseMove(MouseEventArgs e) {
 			base.OnMouseMove(e);
 
+			LastMousePos = e.Location;
+
 			// manually process events for buttons
 			closeButton.ProcessRolloverEvents(this, e);
 			newTabButton.ProcessRolloverEvents(this, e);
 
+			this.Invalidate();
 		}
 
 
 		protected override void OnMouseLeave(EventArgs e) {
 			base.OnMouseLeave(e);
 
+			LastMousePos = Point.Empty;
+
 			// manually process events for buttons
 			closeButton.ProcessRolloutEvents(this);
 			newTabButton.ProcessRolloutEvents(this);
 
+			this.Invalidate();
 		}
 
 		protected override void OnSizeChanged(EventArgs e) {
@@ -423,8 +431,6 @@ private void DrawSingleTabButton(Graphics g, BrowserTabPage tab) {
 
 			RectangleF stripRect = tab.StripRect;
 			var sr = stripRect;
-			SolidBrush brush = new SolidBrush((tab == SelectedTab) ? BrowserTabStyle.SelectedTabBackColor : BrowserTabStyle.NormalTabBackColor);
-			Pen pen = new Pen((tab == SelectedTab) ? BrowserTabStyle.TabBorderColor : BrowserTabStyle.NormalTabBackColor, BrowserTabStyle.TabBorderThickness);
 
 			//--------------------------------------------------------
 			// Calc Rect for the Tab
@@ -445,6 +451,21 @@ private void DrawSingleTabButton(Graphics g, BrowserTabPage tab) {
 			//g.FillRoundRectangle(brush, tabDrawnRect,TabRadius);
 			//g.DrawRoundRectangle(SystemPens.ControlDark, tabDrawnRect, TabRadius);
 
+			//--------------------------------------------------------
+			// Style for the tab button
+			//--------------------------------------------------------
+			var tabColor = BrowserTabStyle.TabBackColor_Normal;
+			var borderColor = BrowserTabStyle.TabBackColor_Normal;
+			if (tab == SelectedTab) {
+				tabColor = BrowserTabStyle.TabBackColor_Selected;
+				borderColor = BrowserTabStyle.TabBorderColor;
+			}
+			else if (tabDrawnRect.Contains(LastMousePos)) {
+				tabColor = BrowserTabStyle.TabBackColor_Rollover;
+			}
+			var brush = new SolidBrush(tabColor);
+			var pen = new Pen(borderColor, BrowserTabStyle.TabBorderThickness);
+
 			//--------------------------------------------------------
 			// Rounded Chrome Tabs
 			//--------------------------------------------------------

src/Controls/BrowserTabStrip/Buttons/TabButtonBase.cs

@@ -30,19 +30,14 @@ public void ProcessRolloverEvents(Control parent, MouseEventArgs e) {
 			if (IsVisible) {
 				if (Rect.Contains(e.Location)) {
 					IsMouseOver = true;
-					parent.Invalidate(RedrawRect);
 				}
 				else if (IsMouseOver) {
 					IsMouseOver = false;
-					parent.Invalidate(RedrawRect);
 				}
 			}
 		}
 		public void ProcessRolloutEvents(Control parent) {
 			IsMouseOver = false;
-			if (IsVisible) {
-				parent.Invalidate(RedrawRect);
-			}
 		}
 
 	}