Volian/SourceCode
8
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

RichTextBox pseudo caret when it doesn't have focus

Browse Source
This commit is contained in:
Rich
2011-02-09 21:52:56 +00:00
parent c0a822d4f7
commit 41c8a90bdf
6 changed files with 113 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

58
PROMS/Volian.Controls.Library/DisplayTabControl.cs
View File

@@ -33,6 +33,7 @@ namespace Volian.Controls.Library
private int _UniqueBarCount;
private ItemInfo _MyItemInfo = null;
private EditItem _MyEditItem = null;
private StepRTB _MyStepRTB = null;
private bool _RibbonExpanded=true;
public bool RibbonExpanded
{
@@ -155,11 +156,16 @@ namespace Volian.Controls.Library
{
_MyItemInfo = args.MyItemInfo;
_MyEditItem = args.MyEditItem;
if (_MyEditItem != null)
_MyStepRTB = _MyEditItem.MyStepRTB;
else
_MyStepRTB = null;
}
else
{
_MyItemInfo = null;
_MyEditItem = null;
_MyStepRTB = null;
}
if (ItemSelectedChanged != null) ItemSelectedChanged(sender, args);
}
@@ -471,6 +477,54 @@ namespace Volian.Controls.Library
{
get { return _MyBar; }
}
public Panel PnlCaret
{
get { return _PnlCaret; }
}
public void ShowCaret()
{
if (_MyStepRTB != null)
{
if (!_MyStepRTB.Visible)
_MyStepRTB.Visible = true;
if (_MyStepRTB.SelectionLength == 0)
{
Point pt = _MyStepRTB.GetPositionFromCharIndex(_MyStepRTB.SelectionStart);
pt = _MyStepRTB.PointToScreen(pt);
pt = this.PointToClient(pt);
PnlCaret.Location = pt;
PnlCaret.BackColor = _MyStepRTB.ForeColor;
using (Graphics gr = this.CreateGraphics())
{
SizeF sf = gr.MeasureString("Mg", _MyStepRTB.SelectionFont);
sf.Width = 1;
PnlCaret.Size = sf.ToSize();
}
tmrCaret.Enabled = true;
}
else
{
_MyStepRTB.SelectionColor = Color.White;
_MyStepRTB.SelectionBackColor = Color.FromName("Highlight");
}
}
}
public void HideCaret()
{
if (_MyStepRTB != null && ! _MyStepRTB.Disposing)
{
if (_MyStepRTB.SelectionLength == 0)
{
tmrCaret.Enabled = false;
PnlCaret.Visible = false;
}
else
{
_MyStepRTB.SelectionColor = _MyStepRTB.ForeColor;
_MyStepRTB.SelectionBackColor = _MyStepRTB.BackColor;
}
}
}
#endregion
#region Private Methods
///// <summary>
@@ -686,5 +740,9 @@ namespace Volian.Controls.Library
myDisplayTabItem.Dispose();
}
#endregion
private void tmrCaret_Tick(object sender, EventArgs e)
{
PnlCaret.Visible = !PnlCaret.Visible;
}
}
}