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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen-unstable] [qemu] Fix keypad handling for VNC.
# HG changeset patch
# User Christian Limpach <Christian.Limpach@xxxxxxxxxxxxx>
# Date 1178821985 -3600
# Node ID dfbbb4d3b0dd2107cfee2b07fab6f33cefc4719c
# Parent 23c4790512dbc889c4deed8ae1f8d54813c4b474
[qemu] Fix keypad handling for VNC.
Signed-off-by: Christian Limpach <Christian.Limpach@xxxxxxxxxxxxx>
---
tools/ioemu/keymaps.c | 64 ++++++++++++++++++++++++++++++++++++++++++++++-
tools/ioemu/vnc.c | 29 +++++++++++++++++++++
tools/ioemu/vnc_keysym.h | 14 ++++++++++
3 files changed, 106 insertions(+), 1 deletion(-)
diff -r 23c4790512db -r dfbbb4d3b0dd tools/ioemu/keymaps.c
--- a/tools/ioemu/keymaps.c Thu May 10 18:02:55 2007 +0100
+++ b/tools/ioemu/keymaps.c Thu May 10 19:33:05 2007 +0100
@@ -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 {
@@ -41,7 +47,33 @@ 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_layo
// 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_lay
}
return 0;
}
+
+static int keycodeIsKeypad(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 int keysymIsNumlock(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;
+}
diff -r 23c4790512db -r dfbbb4d3b0dd tools/ioemu/vnc.c
--- a/tools/ioemu/vnc.c Thu May 10 18:02:55 2007 +0100
+++ b/tools/ioemu/vnc.c Thu May 10 19:33:05 2007 +0100
@@ -909,6 +909,12 @@ static void reset_keys(VncState *vs)
}
}
+static void press_key(VncState *vs, int keysym)
+{
+ kbd_put_keycode(keysym2scancode(vs->kbd_layout, keysym) & 0x7f);
+ kbd_put_keycode(keysym2scancode(vs->kbd_layout, keysym) | 0x80);
+}
+
static void do_key_event(VncState *vs, int down, uint32_t sym)
{
int keycode;
@@ -936,6 +942,28 @@ static void do_key_event(VncState *vs, i
return;
}
break;
+ case 0x45: /* NumLock */
+ if (!down)
+ vs->modifiers_state[keycode] ^= 1;
+ break;
+ }
+
+ if (keycodeIsKeypad(vs->kbd_layout, keycode)) {
+ /* If the numlock state needs to change then simulate an additional
+ keypress before sending this one. This will happen if the user
+ toggles numlock away from the VNC window.
+ */
+ if (keysymIsNumlock(vs->kbd_layout, sym & 0xFFFF)) {
+ if (!vs->modifiers_state[0x45]) {
+ vs->modifiers_state[0x45] = 1;
+ press_key(vs, 0xff7f);
+ }
+ } else {
+ if (vs->modifiers_state[0x45]) {
+ vs->modifiers_state[0x45] = 0;
+ press_key(vs, 0xff7f);
+ }
+ }
}
if (is_graphic_console()) {
@@ -1427,6 +1455,7 @@ int vnc_display_init(DisplayState *ds, c
vs->kbd_layout = init_keyboard_layout(keyboard_layout);
if (!vs->kbd_layout)
exit(1);
+ vs->modifiers_state[0x45] = 1; /* NumLock on - on boot */
vs->ds->data = NULL;
vs->ds->dpy_update = vnc_dpy_update;
diff -r 23c4790512db -r dfbbb4d3b0dd tools/ioemu/vnc_keysym.h
--- a/tools/ioemu/vnc_keysym.h Thu May 10 18:02:55 2007 +0100
+++ b/tools/ioemu/vnc_keysym.h Thu May 10 19:33:05 2007 +0100
@@ -232,6 +232,19 @@ static name2keysym_t name2keysym[]={
{"Home", 0xff50}, /* XK_Home */
{"End", 0xff57}, /* XK_End */
{"Scroll_Lock", 0xff14}, /* XK_Scroll_Lock */
+{"KP_Home", 0xff95},
+{"KP_Left", 0xff96},
+{"KP_Up", 0xff97},
+{"KP_Right", 0xff98},
+{"KP_Down", 0xff99},
+{"KP_Prior", 0xff9a},
+{"KP_Page_Up", 0xff9a},
+{"KP_Next", 0xff9b},
+{"KP_Page_Down", 0xff9b},
+{"KP_End", 0xff9c},
+{"KP_Begin", 0xff9d},
+{"KP_Insert", 0xff9e},
+{"KP_Delete", 0xff9f},
{"F1", 0xffbe}, /* XK_F1 */
{"F2", 0xffbf}, /* XK_F2 */
{"F3", 0xffc0}, /* XK_F3 */
@@ -259,6 +272,7 @@ static name2keysym_t name2keysym[]={
{"KP_8", 0xffb8}, /* XK_KP_8 */
{"KP_9", 0xffb9}, /* XK_KP_9 */
{"KP_Add", 0xffab}, /* XK_KP_Add */
+{"KP_Separator", 0xffac},/* XK_KP_Separator */
{"KP_Decimal", 0xffae}, /* XK_KP_Decimal */
{"KP_Divide", 0xffaf}, /* XK_KP_Divide */
{"KP_Enter", 0xff8d}, /* XK_KP_Enter */
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