Beispiel #1
0
 private void listView_DrawSubItem(object sender, DrawListViewSubItemEventArgs e)
 {
     Brush brush;
     Color backColor;
     Color foreColor;
     if (e.Item.Selected)
     {
         if (listView.Focused)
         {
             brush = SystemBrushes.Highlight;
             backColor = SystemColors.Highlight;
             foreColor = SystemColors.HighlightText;
         }
         else
         {
             // We use the same colors here as TreeViewMS does for
             // drawing unfocused selected rows.
             brush = Brushes.LightGray;
             backColor = Color.LightGray;
             foreColor = SystemColors.WindowText;
         }
     }
     else
     {
         brush = SystemBrushes.Window;
         backColor = SystemColors.Window;
         foreColor = SystemColors.WindowText;
     }
     if (e.ColumnIndex == 0)
     {
         // Erase the entire background when drawing the first sub-item
         e.Graphics.FillRectangle(brush, e.Item.Bounds);
     }
     if (e.ColumnIndex == colHdrDisplayText.Index)
     {
         var findResult = (FindResult) e.Item.Tag;
         var textRendererHelper = new TextRendererHelper
                                      {
                                          ForeColor = foreColor,
                                          BackColor = backColor,
                                          Font = e.Item.Font,
                                          HighlightFont = new Font(e.Item.Font, FontStyle.Bold),
                                      };
         textRendererHelper.DrawHighlightedText(e.Graphics, e.SubItem.Bounds, findResult.FindMatch);
     }
     else
     {
         e.SubItem.ForeColor = foreColor;
         e.DrawText();
     }
     if (e.ColumnIndex == 0)
     {
         e.DrawFocusRectangle(e.Bounds);
     }
 }
 private void DrawWithHighlighting(String description, String textToHighlight, Graphics graphics,
     Rectangle descriptionBounds, Color textColor, Color backColor)
 {
     var findMatch = new FindMatch(description);
     int ichHighlightBegin = description.ToLower().IndexOf(textToHighlight.ToLower(), StringComparison.Ordinal);
     // A very short search only matches at the front of a word
     if ((textToHighlight.Length < ProteinMatchQuery.MIN_FREE_SEARCH_LENGTH) && (ichHighlightBegin > 0))
     {
         // Insist on a leading space for match
         ichHighlightBegin = description.ToLower().IndexOf(" "+textToHighlight.ToLower(), StringComparison.Ordinal); // Not L10N
         if (ichHighlightBegin > 0)
             ichHighlightBegin++; // Don't really want to highlight the space
     }
     if (ichHighlightBegin >= 0)
     {
         findMatch = findMatch.ChangeRange(ichHighlightBegin, ichHighlightBegin + textToHighlight.Length);
     }
     else
     {
         findMatch = findMatch.ChangeRange(0,0); // No highlighting
     }
     var textRendererHelper = new TextRendererHelper
     {
         Font = ListView.Font,
         HighlightFont = new Font(ListView.Font, FontStyle.Bold),
         ForeColor = textColor,
         BackColor = backColor,
     };
     textRendererHelper.DrawHighlightedText(graphics, descriptionBounds, findMatch);
 }