show label tooltip on autocomplete menu; use TextChanged, not Delay; adjust...

show label tooltip on autocomplete menu; use TextChanged, not Delay; adjust autocomplete menu automatically

DataEditorX/CodeEditForm.cs

@@ -45,6 +45,7 @@ public CodeEditForm()
         {
             this.InitForm();
         }
+
         void InitForm()
         {
             this.cardlist = new SortedDictionary<long, string>();
@@ -83,17 +84,55 @@ void InitForm()
                 MinFragmentLength = 2
             };
             this.popupMenu.Items.Font = ft;
-            this.popupMenu.Items.MaximumSize = new System.Drawing.Size(200, 400);
-            this.popupMenu.Items.Width = 300;
+            this.popupMenu.AutoSize = true;
+            this.popupMenu.MinimumSize = new System.Drawing.Size(300, 0);
             this.popupMenu.BackColor = this.fctb.BackColor;
             this.popupMenu.ForeColor = this.fctb.ForeColor;
             this.popupMenu.Closed += new ToolStripDropDownClosedEventHandler(this.popupMenu_Closed);
-
             this.popupMenu.SelectedColor = Color.LightGray;
+            popupMenu.VisibleChanged += this.PopupMenu_VisibleChanged;
+            popupMenu.Items.FocussedItemIndexChanged += this.Items_FocussedItemIndexChanged;
 
             this.title = this.Text;
         }
 
+        private void PopupMenu_VisibleChanged(object sender, EventArgs e)
+        {
+            this.AdjustPopupMenuSize();
+            if (!popupMenu.Visible || popupMenu.Items.FocussedItem == null)
+            {
+                return;
+            }
+            this.fctb.ShowTooltipWithLabel(popupMenu.Items.FocussedItem.ToolTipTitle,
+                popupMenu.Items.FocussedItem.ToolTipText);
+        }
+        private void AdjustPopupMenuSize()
+        {
+            if (!popupMenu.Visible || popupMenu.Items.FocussedItem == null)
+            {
+                popupMenu.Size = new Size(300, 0);
+                popupMenu.MinimumSize = new Size(300, 0);
+            }
+            Size s = TextRenderer.MeasureText(popupMenu.Items.FocussedItem.ToolTipTitle,
+                popupMenu.Items.Font, new Size(0, 0), TextFormatFlags.NoPadding);
+            s = new Size(s.Width + 50, popupMenu.Size.Height);
+            if (popupMenu.Size.Width < s.Width)
+            {
+                popupMenu.Size = s;
+                popupMenu.MinimumSize = s;
+            }
+        }
+        private void Items_FocussedItemIndexChanged(object sender, EventArgs e)
+        {
+            if (popupMenu.Items.FocussedItem == null)
+            {
+                return;
+            }
+            this.AdjustPopupMenuSize();
+            this.fctb.ShowTooltipWithLabel(popupMenu.Items.FocussedItem.ToolTipTitle,
+                popupMenu.Items.FocussedItem.ToolTipText);
+        }
+
         void popupMenu_Closed(object sender, ToolStripDropDownClosedEventArgs e)
         {
             this.popupMenu.Items.SetAutocompleteItems(this.items);

DataEditorX/Controls/FastColoredTextBoxEx.cs

@@ -16,17 +16,20 @@ namespace FastColoredTextBoxNS
 {
 	public class FastColoredTextBoxEx : FastColoredTextBox
     {
-        private Label lbTooltip;
+        public Label lbTooltip;
         Point lastMouseCoord;
  
 		public FastColoredTextBoxEx() : base()
 		{
             this.SyntaxHighlighter = new MySyntaxHighlighter();
-            this.InitializeComponent();
+            this.TextChanged += this.FctbTextChanged;
             this.ToolTipDelay = 1;
-            this.TextChangedDelayed += this.FctbTextChangedDelayed;
-		}
-		public new event EventHandler<ToolTipNeededEventArgs> ToolTipNeeded;
+            this.DelayedEventsInterval = 1;
+            this.DelayedTextChangedInterval = 1;
+            this.InitializeComponent();
+        }
+
+        public new event EventHandler<ToolTipNeededEventArgs> ToolTipNeeded;
 		protected override void OnMouseMove(MouseEventArgs e)
 		{
 			base.OnMouseMove(e);
@@ -64,19 +67,24 @@ protected override void OnToolTip()
 
 			if (ea.ToolTipText != null)
 			{
-                lbTooltip.Visible = true;
-                lbTooltip.Text = $"{ea.ToolTipTitle}\r\n\r\n{ea.ToolTipText}";
-                lbTooltip.Location = new Point(this.Size.Width - 500, this.lastMouseCoord.Y + this.CharHeight);
-                //this.ToolTip.ToolTipTitle = ea.ToolTipTitle;
-                //this.ToolTip.ToolTipIcon = ea.ToolTipIcon;
-                //ToolTip.SetToolTip(this, ea.ToolTipText);
-                //this.ToolTip.Show(ea.ToolTipText, this, new Point(this.lastMouseCoord.X, this.lastMouseCoord.Y + this.CharHeight));
+                this.ShowTooltipWithLabel(ea.ToolTipTitle, ea.ToolTipText);
             }
         }
 
+        public void ShowTooltipWithLabel(string title, string text, int height)
+        {
+            lbTooltip.Visible = true;
+            lbTooltip.Text = $"{title}\r\n\r\n{text}";
+            lbTooltip.Location = new Point(this.Size.Width - 500, height);
+        }
+
+        public void ShowTooltipWithLabel(string title, string text)
+        {
+            this.ShowTooltipWithLabel(title,text, this.lastMouseCoord.Y + this.CharHeight);
+        }
 
         //高亮当前词
-        void FctbTextChangedDelayed(object sender, TextChangedEventArgs e)
+        void FctbTextChanged(object sender, TextChangedEventArgs e)
         {
             //delete all markers
             this.Range.ClearFoldingMarkers();

DataEditorX/Controls/FastColoredTextBoxEx.resx

@@ -112,9 +112,9 @@
     <value>2.0</value>
   </resheader>
   <resheader name="reader">
-    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
   <resheader name="writer">
-    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
 </root>
\ No newline at end of file