protected void txtEntry_WidgetEvent(object o, Gtk.WidgetEventArgs args)
{
// Did the user type "@"?
if (args.Event.Type == EventType.KeyPress)
{
EventKey eventKey = (EventKey)args.Event;
if (eventKey.Key == Gdk.Key.at)
{
// Prevent the editor from typing the "@" key
args.RetVal = true;
// The user typed "@", so run the chooser for @-mentions
using (var window = new UserChooserWindow())
{
// Find the coordinates of the text editor
int editorX;
int editorY;
txtEntry.GdkWindow.GetOrigin(out editorX, out editorY);
// If the CC input box is empty, position the chooser on top of the input box.
// Otherwise position it just below the input box, so the existing text is not hidden.
window.SetPosition(WindowPosition.None);
if (string.IsNullOrWhiteSpace(txtEntry.Text))
{
window.Move(editorX, editorY);
}
else
{
int editorW;
int editorH;
txtEntry.GdkWindow.GetSize(out editorW, out editorH);
window.Move(editorX, editorY + editorH);
}
Utilities.RunWindowAsDialog(window);
// Did the user select something? (If not, fall through and let the
// "@" key be typed normally.)
if (window.ChosenUser != null)
{
// Insert the alias for the user that was chosen
if (txtEntry.Text.Length > 0 && !txtEntry.Text.EndsWith(" "))
{
txtEntry.Text += " ";
}
txtEntry.Text += "@" + window.ChosenUser.Alias;
txtEntry.Position = txtEntry.Text.Length;
}
}
}
}
}
protected void txtBody_WidgetEvent(object o, WidgetEventArgs args)
{
if (!txtBody.Editable)
{
return;
}
// Did the user type "@"?
if (args.Event.Type == EventType.KeyPress)
{
EventKey eventKey = (EventKey)args.Event;
if (eventKey.Key == Gdk.Key.at)
{
// The user typed "@", so run the chooser for @-mentions
using (var window = new UserChooserWindow())
{
// Find the coordinates of the text editor
int editorX;
int editorY;
txtBody.GdkWindow.GetOrigin(out editorX, out editorY);
// Find the location of the cursor within the editor
TextIter iter = txtBody.Buffer.GetIterAtOffset(txtBody.Buffer.CursorPosition);
int cursorY;
int lineHeight;
txtBody.GetLineYrange(iter, out cursorY, out lineHeight);
// Position the window immediately below the line that the cursor is on,
// but aligned to the left of the editor frame
window.SetPosition(WindowPosition.None);
window.Move(editorX, editorY + cursorY + lineHeight);
Utilities.RunWindowAsDialog(window);
// Did the user select something? (If not, fall through and let the
// "@" key be typed normally.)
if (window.ChosenUser != null)
{
// Prevent the editor from typing the "@" key
args.RetVal = true;
// If we're in the middle of typing a word, insert a space
if (iter.EndsWord() || iter.InsideWord())
{
txtBody.Buffer.InsertAtCursor(" ");
}
// Insert the alias for the user that was chosen
txtBody.Buffer.InsertAtCursor("@" + window.ChosenUser.Alias + " ");
}
}
}
}
}