Fix control character handling bug.

The code to deal with lowercase and uppercase versions of Latin1
characters was overly broad and sent ASCII Control Characters if
Ctrl was pressed.

1 files changed, 12 insertions, 2 deletions

diff --git a/src/gui/frame.cpp b/src/gui/frame.cpp
index b9899d8..12d49bc 100644
--- a/src/gui/frame.cpp
+++ b/src/gui/frame.cpp
@@ -538,8 +538,18 @@ void Frame::keyPressEvent(QKeyEvent* event)
 				QString text = event->text();
 				if(text.length() == 1 && text.at(0).row() == 0)
 				{
-					// We found a Latin1 char and pray it is the correct case.
-					key = text.at(0).cell();
+					QChar c = text.at(0);
+
+					// The next problem is that it may be a control character.
+					// This happens when Ctrl is pressed, so we only
+					// modify keys if they are lowercase or uppercase
+					// versions of the keycode.
+
+					if(c.toLower().toLatin1() == key || c.toUpper().toLatin1() == key)
+					{
+						// We found a Latin1 char and pray it is the correct case.
+						key = c.cell();
+					}
 				}
 			}
 			sendInputEvent(InputEvent::keyboardPress(key, event->modifiers()));