private void TxtArea_TextChanged_1(object sender, EventArgs e)
{
if (txtArea.Text == "")
{
AddLineNumbers();
}
UndoRedoStack u = null;
foreach (var x in undoRedo)
{
if (x.Key.Equals(tabControl.SelectedTab.Controls[0]))
{
u = x.Value;
}
}
var tab = tabControl.SelectedTab.Controls[0] as RichTextBox;
int y = tab.SelectionStart;
u.InsertText(tab.Text, y);
}
private void NewFileToolStripMenuItem_Click(object sender, EventArgs e)
{
// txtArea.Text = "";
int index = 3;
List <string> keys = new List <string>();
foreach (string key in files.Keys)
{
if (key.StartsWith("New"))
{
keys.Add(key);
}
}
if (keys.Count == 0)
{
index = 2;
}
else if (keys.Count == 1)
{
index = 3;
}
else
{
keys.Sort();
index = 3;
foreach (string s in keys)
{
string resultString = Regex.Match(s, @"\d+").Value;
if (resultString.Length == 0)
{
continue;
}
int val = Int32.Parse(resultString);
if (val > index)
{
break;
}
else if (val == index)
{
index++;
}
}
}
TabPage first = tabControl.TabPages[0];
RichTextBox txt = first.Controls[0] as RichTextBox;
RichTextBox txt2 = first.Controls[1] as RichTextBox;
TabPage page = new TabPage();
RichTextBox rtb = new RichTextBox();
RichTextBox rtb2 = new RichTextBox();
page.Bounds = first.Bounds;
rtb.Bounds = txt.Bounds;
rtb2.Bounds = txt2.Bounds;
richtextbox = rtb;
linetextbox = rtb2;
rtb2.ScrollBars = 0;
rtb.ShortcutsEnabled = false;
rtb.FontChanged += TxtArea_FontChangedTabs;
rtb.SelectionChanged += TxtArea_SelectionChangedTabs;
rtb.TextChanged += TxtArea_TextChanged_1;
rtb.MouseUp += ContextTabs;
rtb.VScroll += TxtArea_VScrollTabs;
page.Controls.Add(rtb);
page.Controls.Add(rtb2);
UndoRedoStack undoer = new UndoRedoStack(rtb);
undoRedo[rtb] = undoer;
string title = index == 0 ? "New" + index : ("New " + index);
page.Text = title;
rtb.Text = "";
files[title] = page;
tabControl.TabPages.Add(page);
tabControl.SelectedTab = page;
rtbTab = rtb;
rtb.Font = new Font("Courier new", 10);
}
private void Form1_KeyUp(object sender, KeyEventArgs e)
{
if (e.KeyData == (Keys.Control | Keys.C))
{
CopyToolStripMenuItem1_Click(null, null);
}
else if (e.KeyData == (Keys.Control | Keys.V))
{
PasteToolStripMenuItem1_Click(null, null);
}
else if (e.KeyData == (Keys.Control | Keys.U))
{
CutToolStripMenuItem1_Click(null, null);
}
else if (e.KeyData == (Keys.Control | Keys.D))
{
DeleteToolStripMenuItem_Click(null, null);
}
else if (e.KeyData == (Keys.Control | Keys.A))
{
SelectAllToolStripMenuItem1_Click(null, null);
}
else if (e.KeyData == (Keys.Control | Keys.Z))
{
UndoRedoStack u = null;
foreach (var x in undoRedo)
{
if (x.Key.Equals(tabControl.SelectedTab.Controls[0]))
{
u = x.Value;
}
}
u.Undo();
}
else if (e.KeyData == (Keys.Control | Keys.Y))
{
UndoRedoStack u = null;
foreach (var x in undoRedo)
{
if (x.Key.Equals(tabControl.SelectedTab.Controls[0]))
{
u = x.Value;
}
}
u.Redo();
}
if (txtArea.Focused)
{
int index = txtArea.SelectionStart;
int line = txtArea.GetLineFromCharIndex(index);
int firstChar = txtArea.GetFirstCharIndexFromLine(line);
int column = index - firstChar;
if (txtArea.Focused == true)
{
label2.Visible = false;
}
label1.Text = "Line : " + line + " Column : " + column;
}
else if (rtbTab.Focused)
{
int index2 = rtbTab.SelectionStart;
int line2 = rtbTab.GetLineFromCharIndex(index2);
int firstChar2 = rtbTab.GetFirstCharIndexFromLine(line2);
int column2 = index2 - firstChar2;
if (rtbTab.Focused == true)
{
label1.Visible = false;
label2.Visible = true;
}
label2.Text = "Line : " + line2 + " Column : " + column2;
}
}
