vnc-monitor-shift-key-processing

xen 3.2.2 源码

# HG changeset patch
# User [e-mail]
# Node ID 582d21e2d3cd12a13ad4debee9af8bb0f1be413a
# Parent  b7095209e31ae1f52cd4b196225a360543e37a80
[QEMU] Do shift-key processing in QEMU monitor terminal when connected via VNC.
Signed-off-by: Daniel P. Berrange <[e-mail]>

Index: ioemu/vnc.c
===================================================================
--- ioemu.orig/vnc.c	2006-12-08 18:21:36.000000000 +0000
+++ ioemu/vnc.c	2006-12-08 18:23:12.000000000 +0000
@@ -114,6 +114,7 @@
     int visible_h;
 
     int ctl_keys;               /* Ctrl+Alt starts calibration */
+    int shift_keys;             /* Shift / CapsLock keys */
 };
 
 #define DIRTY_PIXEL_BITS 64
@@ -870,9 +871,12 @@
     } else if (down) {
 	int qemu_keysym = 0;
 
-	if (sym <= 128) /* normal ascii */
+	if (sym <= 128) { /* normal ascii */
+	    int shifted = vs->shift_keys == 1 || vs->shift_keys == 2;
 	    qemu_keysym = sym;
-	else {
+	    if (sym >= 'a' && sym <= 'z' && shifted)
+	        qemu_keysym -= 'a' - 'A';
+	} else {
 	    switch (sym) {
 	    case XK_Up: qemu_keysym = QEMU_KEY_UP; break;
 	    case XK_Down: qemu_keysym = QEMU_KEY_DOWN; break;
@@ -903,6 +907,10 @@
 	    vs->ctl_keys |= 2;
 	    break;
 
+	case XK_Shift_L:
+	    vs->shift_keys |= 1;
+	    break;
+
 	default:
 	    break;
 	}
@@ -916,6 +924,14 @@
 	    vs->ctl_keys &= ~2;
 	    break;
 
+	case XK_Shift_L:
+	    vs->shift_keys &= ~1;
+	    break;
+
+	case XK_Caps_Lock:
+	    vs->shift_keys ^= 2;
+	    break;
+
 	case XK_1 ... XK_9:
 	    if ((vs->ctl_keys & 3) != 3)
 		break;