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[Qemu-devel] [PATCH 2/4] vnc: fix ctrl key in vnc terminal emulation


From: Gerd Hoffmann
Subject: [Qemu-devel] [PATCH 2/4] vnc: fix ctrl key in vnc terminal emulation
Date: Fri, 10 Feb 2012 11:09:58 +0100

Make the control keys for terminals on the vnc display
(i.e. qemu -vnc :0 -serial vc) work.  Makes the terminals
alot more usable as typing Ctrl-C in your serial console
actually has the desired effect ;)

Signed-off-by: Gerd Hoffmann <address@hidden>
---
 ui/vnc.c |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/ui/vnc.c b/ui/vnc.c
index 5752bf8..810582b 100644
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -1552,9 +1552,11 @@ static void do_key_event(VncState *vs, int down, int 
keycode, int sym)
         else
             kbd_put_keycode(keycode | SCANCODE_UP);
     } else {
+        bool numlock = vs->modifiers_state[0x45];
+        bool control = (vs->modifiers_state[0x1d] ||
+                        vs->modifiers_state[0x9d]);
         /* QEMU console emulation */
         if (down) {
-            int numlock = vs->modifiers_state[0x45];
             switch (keycode) {
             case 0x2a:                          /* Left Shift */
             case 0x36:                          /* Right Shift */
@@ -1642,7 +1644,11 @@ static void do_key_event(VncState *vs, int down, int 
keycode, int sym)
                 break;
 
             default:
-                kbd_put_keysym(sym);
+                if (control) {
+                    kbd_put_keysym(sym & 0x1f);
+                } else {
+                    kbd_put_keysym(sym);
+                }
                 break;
             }
         }
-- 
1.7.1




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