prehistoric-systems/Crypto-Notepad
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Added #29

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Alexander 2019-09-28 22:25:03 +03:00
parent c7992b0410
commit 5f433088ff
1 changed files with 38 additions and 3 deletions
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41
Crypto Notepad/ExRichTextBox.cs
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@ -1,4 +1,5 @@
using System;
using System;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Windows.Forms;
@ -34,6 +35,41 @@ protected override void WndProc(ref Message m)
base.WndProc(ref m);
}
protected override void OnHandleCreated(EventArgs e)
{
base.OnHandleCreated(e);
if (!AutoWordSelection)
{
AutoWordSelection = true;
AutoWordSelection = false;
}
}
public event EventHandler CursorPositionChanged;
protected virtual void OnCursorPositionChanged(EventArgs e)
{
if (CursorPositionChanged != null)
CursorPositionChanged(this, e);
}
protected override void OnSelectionChanged(EventArgs e)
{
if (SelectionLength == 0)
OnCursorPositionChanged(e);
else
base.OnSelectionChanged(e);
}
protected override void OnKeyDown(KeyEventArgs e)
{
if (GetLineFromCharIndex(SelectionStart) == 0 && e.KeyData == Keys.Up ||
GetLineFromCharIndex(SelectionStart) == GetLineFromCharIndex(TextLength) && e.KeyData == Keys.Down ||
SelectionStart == TextLength && e.KeyData == Keys.Right ||
SelectionStart == 0 && e.KeyData == Keys.Left
) e.Handled = true;
}
}
public static class RichTextBoxPadding
{
public static void SetInnerMargins(this TextBoxBase textBox, int left, int top, int right, int bottom)
@ -88,5 +124,4 @@ private static Rectangle GetFormattingRect(this TextBoxBase textbox)
}
}
}
}
}