81 lines
1.5 KiB
C#
81 lines
1.5 KiB
C#
using System;
|
|
using System.Windows.Forms;
|
|
|
|
namespace DevComponents.DotNetBar
|
|
{
|
|
/// <summary>
|
|
/// Summary description for BarTextBox.
|
|
/// </summary>
|
|
internal class BarTextBox:TextBox
|
|
{
|
|
private int m_LastFocusWindow;
|
|
private string m_OriginalText;
|
|
public BarTextBox()
|
|
{
|
|
this.BorderStyle=System.Windows.Forms.BorderStyle.None;
|
|
this.AutoSize=false;
|
|
this.TabStop=false;
|
|
m_LastFocusWindow=0;
|
|
}
|
|
|
|
protected override void WndProc(ref Message m)
|
|
{
|
|
if(m.Msg==NativeFunctions.WM_SETFOCUS)
|
|
{
|
|
m_LastFocusWindow=m.WParam.ToInt32();
|
|
m_OriginalText=this.Text;
|
|
}
|
|
base.WndProc(ref m);
|
|
}
|
|
|
|
public void ReleaseFocus()
|
|
{
|
|
if(this.Focused && m_LastFocusWindow!=0)
|
|
{
|
|
int focus=m_LastFocusWindow;
|
|
m_LastFocusWindow=0;
|
|
Control ctrl=Control.FromChildHandle(new System.IntPtr(focus));
|
|
if(ctrl!=this)
|
|
{
|
|
Control p=this.Parent;
|
|
while(p!=null)
|
|
{
|
|
if(p==ctrl)
|
|
return;
|
|
p=p.Parent;
|
|
}
|
|
|
|
if(ctrl!=null)
|
|
ctrl.Focus();
|
|
else
|
|
{
|
|
NativeFunctions.SetFocus(focus);
|
|
}
|
|
}
|
|
|
|
//this.OnLostFocus(new System.EventArgs());
|
|
//this.InvokeLostFocus(this,new System.EventArgs());
|
|
}
|
|
}
|
|
|
|
protected override void OnKeyDown(KeyEventArgs e)
|
|
{
|
|
if(e.KeyCode==Keys.Enter)
|
|
ReleaseFocus();
|
|
else if(e.KeyCode==Keys.Escape)
|
|
{
|
|
this.Text=m_OriginalText;
|
|
ReleaseFocus();
|
|
}
|
|
|
|
base.OnKeyDown(e);
|
|
}
|
|
|
|
protected override void OnLostFocus(EventArgs e)
|
|
{
|
|
m_LastFocusWindow=0;
|
|
base.OnLostFocus(e);
|
|
}
|
|
}
|
|
}
|