From a528b80cb09977806129249ea604aaef3830f3ec Mon Sep 17 00:00:00 2001
From: balrog <balrog@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Tue, 30 Oct 2007 22:38:53 +0000
Subject: Miscellaneous VNC related fixes from Xen forwarded by Matthew Kent.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3489 c046a42c-6fe2-441c-8c8c-71466251a162
---
 keymaps.c | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 63 insertions(+), 1 deletion(-)

(limited to 'keymaps.c')

diff --git a/keymaps.c b/keymaps.c
index f0f8c10..15c40fa 100644
--- a/keymaps.c
+++ b/keymaps.c
@@ -32,6 +32,12 @@ static int get_keysym(const char *name)
     return 0;
 }
 
+struct key_range {
+    int start;
+    int end;
+    struct key_range *next;
+};
+
 #define MAX_NORMAL_KEYCODE 512
 #define MAX_EXTRA_COUNT 256
 typedef struct {
@@ -41,8 +47,34 @@ typedef struct {
 	uint16_t keycode;
     } keysym2keycode_extra[MAX_EXTRA_COUNT];
     int extra_count;
+    struct key_range *keypad_range;
+    struct key_range *numlock_range;
 } kbd_layout_t;
 
+static void add_to_key_range(struct key_range **krp, int code) {
+    struct key_range *kr;
+    for (kr = *krp; kr; kr = kr->next) {
+	if (code >= kr->start && code <= kr->end)
+	    break;
+	if (code == kr->start - 1) {
+	    kr->start--;
+	    break;
+	}
+	if (code == kr->end + 1) {
+	    kr->end++;
+	    break;
+	}
+    }
+    if (kr == NULL) {
+	kr = qemu_mallocz(sizeof(*kr));
+	if (kr) {
+	    kr->start = kr->end = code;
+	    kr->next = *krp;
+	    *krp = kr;
+	}
+    }
+}
+
 static kbd_layout_t *parse_keyboard_layout(const char *language,
 					   kbd_layout_t * k)
 {
@@ -87,7 +119,15 @@ static kbd_layout_t *parse_keyboard_layout(const char *language,
                     //		    fprintf(stderr, "Warning: unknown keysym %s\n", line);
 		} else {
 		    const char *rest = end_of_keysym + 1;
-		    int keycode = strtol(rest, NULL, 0);
+		    char *rest2;
+		    int keycode = strtol(rest, &rest2, 0);
+
+		    if (rest && strstr(rest, "numlock")) {
+			add_to_key_range(&k->keypad_range, keycode);
+			add_to_key_range(&k->numlock_range, keysym);
+			//fprintf(stderr, "keypad keysym %04x keycode %d\n", keysym, keycode);
+		    }
+
 		    /* if(keycode&0x80)
 		       keycode=(keycode<<8)^0x80e0; */
 		    if (keysym < MAX_NORMAL_KEYCODE) {
@@ -143,3 +183,25 @@ static int keysym2scancode(void *kbd_layout, int keysym)
     }
     return 0;
 }
+
+static inline int keycode_is_keypad(void *kbd_layout, int keycode)
+{
+    kbd_layout_t *k = kbd_layout;
+    struct key_range *kr;
+
+    for (kr = k->keypad_range; kr; kr = kr->next)
+        if (keycode >= kr->start && keycode <= kr->end)
+            return 1;
+    return 0;
+}
+
+static inline int keysym_is_numlock(void *kbd_layout, int keysym)
+{
+    kbd_layout_t *k = kbd_layout;
+    struct key_range *kr;
+
+    for (kr = k->numlock_range; kr; kr = kr->next)
+        if (keysym >= kr->start && keysym <= kr->end)
+            return 1;
+    return 0;
+}
-- 
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