From 864401c2a709bcb66182c02372fb60a30055a4d7 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Thu, 11 Mar 2010 11:13:28 -0300
Subject: [PATCH] spice: add keyboard

Open keyboard channel.  Now you can type into the spice client and the
keyboard events are sent to your guest.  You'll need some other display
like vnc to actually see the guest responding to them though.
---
 Makefile.objs    |  2 +-
 ui/qemu-spice.h  |  1 +
 ui/spice-core.c  |  2 ++
 ui/spice-input.c | 85 ++++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 89 insertions(+), 1 deletion(-)
 create mode 100644 ui/spice-input.c

diff --git a/Makefile.objs b/Makefile.objs
index 2b58109e81..a95106fa3a 100644
--- a/Makefile.objs
+++ b/Makefile.objs
@@ -88,7 +88,7 @@ common-obj-y += pflib.o
 common-obj-$(CONFIG_BRLAPI) += baum.o
 common-obj-$(CONFIG_POSIX) += migration-exec.o migration-unix.o migration-fd.o
 
-common-obj-$(CONFIG_SPICE) += ui/spice-core.o
+common-obj-$(CONFIG_SPICE) += ui/spice-core.o ui/spice-input.o
 
 audio-obj-y = audio.o noaudio.o wavaudio.o mixeng.o
 audio-obj-$(CONFIG_SDL) += sdlaudio.o
diff --git a/ui/qemu-spice.h b/ui/qemu-spice.h
index 50faefb8d6..175c961189 100644
--- a/ui/qemu-spice.h
+++ b/ui/qemu-spice.h
@@ -28,6 +28,7 @@
 extern int using_spice;
 
 void qemu_spice_init(void);
+void qemu_spice_input_init(void);
 int qemu_spice_add_interface(SpiceBaseInstance *sin);
 
 #else  /* CONFIG_SPICE */
diff --git a/ui/spice-core.c b/ui/spice-core.c
index 006604b62e..8b5e4a8096 100644
--- a/ui/spice-core.c
+++ b/ui/spice-core.c
@@ -167,6 +167,8 @@ void qemu_spice_init(void)
 
     spice_server_init(spice_server, &core_interface);
     using_spice = 1;
+
+    qemu_spice_input_init();
 }
 
 int qemu_spice_add_interface(SpiceBaseInstance *sin)
diff --git a/ui/spice-input.c b/ui/spice-input.c
new file mode 100644
index 0000000000..5538a79c10
--- /dev/null
+++ b/ui/spice-input.c
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2010 Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 or
+ * (at your option) version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <spice.h>
+#include <spice/enums.h>
+
+#include "qemu-common.h"
+#include "qemu-spice.h"
+#include "console.h"
+
+/* keyboard bits */
+
+typedef struct QemuSpiceKbd {
+    SpiceKbdInstance sin;
+    int ledstate;
+} QemuSpiceKbd;
+
+static void kbd_push_key(SpiceKbdInstance *sin, uint8_t frag);
+static uint8_t kbd_get_leds(SpiceKbdInstance *sin);
+static void kbd_leds(void *opaque, int l);
+
+static const SpiceKbdInterface kbd_interface = {
+    .base.type          = SPICE_INTERFACE_KEYBOARD,
+    .base.description   = "qemu keyboard",
+    .base.major_version = SPICE_INTERFACE_KEYBOARD_MAJOR,
+    .base.minor_version = SPICE_INTERFACE_KEYBOARD_MINOR,
+    .push_scan_freg     = kbd_push_key,
+    .get_leds           = kbd_get_leds,
+};
+
+static void kbd_push_key(SpiceKbdInstance *sin, uint8_t frag)
+{
+    kbd_put_keycode(frag);
+}
+
+static uint8_t kbd_get_leds(SpiceKbdInstance *sin)
+{
+    QemuSpiceKbd *kbd = container_of(sin, QemuSpiceKbd, sin);
+    return kbd->ledstate;
+}
+
+static void kbd_leds(void *opaque, int ledstate)
+{
+    QemuSpiceKbd *kbd = opaque;
+
+    kbd->ledstate = 0;
+    if (ledstate & QEMU_SCROLL_LOCK_LED) {
+        kbd->ledstate |= SPICE_KEYBOARD_MODIFIER_FLAGS_SCROLL_LOCK;
+    }
+    if (ledstate & QEMU_NUM_LOCK_LED) {
+        kbd->ledstate |= SPICE_KEYBOARD_MODIFIER_FLAGS_NUM_LOCK;
+    }
+    if (ledstate & QEMU_CAPS_LOCK_LED) {
+        kbd->ledstate |= SPICE_KEYBOARD_MODIFIER_FLAGS_CAPS_LOCK;
+    }
+    spice_server_kbd_leds(&kbd->sin, ledstate);
+}
+
+void qemu_spice_input_init(void)
+{
+    QemuSpiceKbd *kbd;
+
+    kbd = qemu_mallocz(sizeof(*kbd));
+    kbd->sin.base.sif = &kbd_interface.base;
+    qemu_spice_add_interface(&kbd->sin.base);
+    qemu_add_led_event_handler(kbd_leds, kbd);
+}
-- 
2.34.1