protected override void OnKeyDown(DrawingArea canvas, KeyPressEventArgs args)
{
Gdk.ModifierType modifier = args.Event.State;
// If we are dragging the text, we
// aren't going to handle key presses
if (tracking)
{
return;
}
// Ignore anything with Alt pressed
if ((modifier & Gdk.ModifierType.Mod1Mask) != 0)
{
return;
}
// Assume that we are going to handle the key
bool keyHandled = true;
if (is_editing)
{
switch (args.Event.Key)
{
case Gdk.Key.BackSpace:
engine.PerformBackspace();
break;
case Gdk.Key.Delete:
engine.PerformDelete();
break;
case Gdk.Key.KP_Enter:
case Gdk.Key.Return:
engine.PerformEnter();
break;
case Gdk.Key.Left:
engine.PerformLeft((modifier & Gdk.ModifierType.ControlMask) != 0);
break;
case Gdk.Key.Right:
engine.PerformRight((modifier & Gdk.ModifierType.ControlMask) != 0);
break;
case Gdk.Key.Up:
engine.PerformUp();
break;
case Gdk.Key.Down:
engine.PerformDown();
break;
case Gdk.Key.Home:
engine.PerformHome((modifier & Gdk.ModifierType.ControlMask) != 0);
break;
case Gdk.Key.End:
engine.PerformEnd((modifier & Gdk.ModifierType.ControlMask) != 0);
break;
case Gdk.Key.Next:
case Gdk.Key.Prior:
break;
case Gdk.Key.Escape:
StopEditing();
break;
default:
// Try to handle it as a character
uint ch = Gdk.Keyval.ToUnicode(args.Event.KeyValue);
if (ch != 0)
{
engine.InsertCharIntoString(ch);
RedrawText(true, true);
}
else
{
// We didn't handle the key
keyHandled = false;
}
break;
}
// If we processed a key, update the display
if (keyHandled)
{
RedrawText(true, true);
}
}
args.RetVal = keyHandled;
}
protected override void OnKeyDown(DrawingArea canvas, KeyPressEventArgs args)
{
Gdk.ModifierType modifier = args.Event.State;
// If we are dragging the text, we
// aren't going to handle key presses
if (tracking)
{
return;
}
// Ignore anything with Alt pressed
if ((modifier & Gdk.ModifierType.Mod1Mask) != 0)
{
return;
}
// Assume that we are going to handle the key
bool keyHandled = true;
if (is_editing)
{
switch (args.Event.Key)
{
case Gdk.Key.BackSpace:
engine.PerformBackspace();
break;
case Gdk.Key.Delete:
engine.PerformDelete();
break;
case Gdk.Key.KP_Enter:
case Gdk.Key.Return:
engine.PerformEnter();
break;
case Gdk.Key.Left:
engine.PerformLeft((modifier & Gdk.ModifierType.ControlMask) != 0, (modifier & Gdk.ModifierType.ShiftMask) != 0);
break;
case Gdk.Key.Right:
engine.PerformRight((modifier & Gdk.ModifierType.ControlMask) != 0, (modifier & Gdk.ModifierType.ShiftMask) != 0);
break;
case Gdk.Key.Up:
engine.PerformUp((modifier & Gdk.ModifierType.ShiftMask) != 0);
break;
case Gdk.Key.Down:
engine.PerformDown((modifier & Gdk.ModifierType.ShiftMask) != 0);
break;
case Gdk.Key.Home:
engine.PerformHome((modifier & Gdk.ModifierType.ControlMask) != 0, (modifier & Gdk.ModifierType.ShiftMask) != 0);
break;
case Gdk.Key.End:
engine.PerformEnd((modifier & Gdk.ModifierType.ControlMask) != 0, (modifier & Gdk.ModifierType.ShiftMask) != 0);
break;
case Gdk.Key.Next:
case Gdk.Key.Prior:
break;
case Gdk.Key.Escape:
StopEditing();
break;
case Gdk.Key.Insert:
if ((modifier & Gdk.ModifierType.ShiftMask) != 0)
{
Gtk.Clipboard cb = Gtk.Clipboard.Get(Gdk.Atom.Intern("CLIPBOARD", false));
engine.PerformPaste(cb);
}
else if ((modifier & Gdk.ModifierType.ControlMask) != 0)
{
Gtk.Clipboard cb = Gtk.Clipboard.Get(Gdk.Atom.Intern("CLIPBOARD", false));
engine.PerformCopy(cb);
}
break;
default:
// Ignore command shortcut
if ((modifier & Gdk.ModifierType.ControlMask) != 0)
{
// Handle undo while editing - if there is nothing on the history stack but
// the user has typed some text, we need to handle the shortcut ourselves.
if (args.Event.Key == Gdk.Key.z)
{
StopEditing();
if (PintaCore.Workspace.ActiveDocument.History.CanUndo)
{
PintaCore.Workspace.ActiveDocument.History.Undo();
}
}
return;
}
keyHandled = TryHandleChar(args.Event);
break;
}
// If we processed a key, update the display
if (keyHandled)
{
RedrawText(true, true);
}
}
else
{
// If we're not editing, allow the key press to be handled elsewhere (e.g. for selecting another tool).
keyHandled = false;
}
args.RetVal = keyHandled;
}