Initial import of qemu-2.4.1HEADmaster

1 files changed, 249 insertions, 0 deletions

diff --git a/ui/spice-input.c b/ui/spice-input.c
new file mode 100644
index 00000000..c342e0dc
--- /dev/null
+++ b/ui/spice-input.c
@@ -0,0 +1,249 @@
+/*
+ * 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 <stdbool.h>
+#include <string.h>
+
+#include <spice.h>
+#include <spice/enums.h>
+
+#include "qemu-common.h"
+#include "ui/qemu-spice.h"
+#include "ui/console.h"
+#include "ui/keymaps.h"
+#include "ui/input.h"
+
+/* keyboard bits */
+
+typedef struct QemuSpiceKbd {
+    SpiceKbdInstance sin;
+    int ledstate;
+    bool emul0;
+} 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 scancode)
+{
+    QemuSpiceKbd *kbd = container_of(sin, QemuSpiceKbd, sin);
+    int keycode;
+    bool up;
+
+    if (scancode == SCANCODE_EMUL0) {
+        kbd->emul0 = true;
+        return;
+    }
+    keycode = scancode & ~SCANCODE_UP;
+    up = scancode & SCANCODE_UP;
+    if (kbd->emul0) {
+        kbd->emul0 = false;
+        keycode |= SCANCODE_GREY;
+    }
+
+    qemu_input_event_send_key_number(NULL, keycode, !up);
+}
+
+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);
+}
+
+/* mouse bits */
+
+typedef struct QemuSpicePointer {
+    SpiceMouseInstance  mouse;
+    SpiceTabletInstance tablet;
+    int width, height;
+    uint32_t last_bmask;
+    Notifier mouse_mode;
+    bool absolute;
+} QemuSpicePointer;
+
+static void spice_update_buttons(QemuSpicePointer *pointer,
+                                 int wheel, uint32_t button_mask)
+{
+    static uint32_t bmap[INPUT_BUTTON_MAX] = {
+        [INPUT_BUTTON_LEFT]        = 0x01,
+        [INPUT_BUTTON_MIDDLE]      = 0x04,
+        [INPUT_BUTTON_RIGHT]       = 0x02,
+        [INPUT_BUTTON_WHEEL_UP]    = 0x10,
+        [INPUT_BUTTON_WHEEL_DOWN]  = 0x20,
+    };
+
+    if (wheel < 0) {
+        button_mask |= 0x10;
+    }
+    if (wheel > 0) {
+        button_mask |= 0x20;
+    }
+
+    if (pointer->last_bmask == button_mask) {
+        return;
+    }
+    qemu_input_update_buttons(NULL, bmap, pointer->last_bmask, button_mask);
+    pointer->last_bmask = button_mask;
+}
+
+static void mouse_motion(SpiceMouseInstance *sin, int dx, int dy, int dz,
+                         uint32_t buttons_state)
+{
+    QemuSpicePointer *pointer = container_of(sin, QemuSpicePointer, mouse);
+    spice_update_buttons(pointer, dz, buttons_state);
+    qemu_input_queue_rel(NULL, INPUT_AXIS_X, dx);
+    qemu_input_queue_rel(NULL, INPUT_AXIS_Y, dy);
+    qemu_input_event_sync();
+}
+
+static void mouse_buttons(SpiceMouseInstance *sin, uint32_t buttons_state)
+{
+    QemuSpicePointer *pointer = container_of(sin, QemuSpicePointer, mouse);
+    spice_update_buttons(pointer, 0, buttons_state);
+    qemu_input_event_sync();
+}
+
+static const SpiceMouseInterface mouse_interface = {
+    .base.type          = SPICE_INTERFACE_MOUSE,
+    .base.description   = "mouse",
+    .base.major_version = SPICE_INTERFACE_MOUSE_MAJOR,
+    .base.minor_version = SPICE_INTERFACE_MOUSE_MINOR,
+    .motion             = mouse_motion,
+    .buttons            = mouse_buttons,
+};
+
+static void tablet_set_logical_size(SpiceTabletInstance* sin, int width, int height)
+{
+    QemuSpicePointer *pointer = container_of(sin, QemuSpicePointer, tablet);
+
+    if (height < 16) {
+        height = 16;
+    }
+    if (width < 16) {
+        width = 16;
+    }
+    pointer->width  = width;
+    pointer->height = height;
+}
+
+static void tablet_position(SpiceTabletInstance* sin, int x, int y,
+                            uint32_t buttons_state)
+{
+    QemuSpicePointer *pointer = container_of(sin, QemuSpicePointer, tablet);
+
+    spice_update_buttons(pointer, 0, buttons_state);
+    qemu_input_queue_abs(NULL, INPUT_AXIS_X, x, pointer->width);
+    qemu_input_queue_abs(NULL, INPUT_AXIS_Y, y, pointer->height);
+    qemu_input_event_sync();
+}
+
+
+static void tablet_wheel(SpiceTabletInstance* sin, int wheel,
+                         uint32_t buttons_state)
+{
+    QemuSpicePointer *pointer = container_of(sin, QemuSpicePointer, tablet);
+
+    spice_update_buttons(pointer, wheel, buttons_state);
+    qemu_input_event_sync();
+}
+
+static void tablet_buttons(SpiceTabletInstance *sin,
+                           uint32_t buttons_state)
+{
+    QemuSpicePointer *pointer = container_of(sin, QemuSpicePointer, tablet);
+
+    spice_update_buttons(pointer, 0, buttons_state);
+    qemu_input_event_sync();
+}
+
+static const SpiceTabletInterface tablet_interface = {
+    .base.type          = SPICE_INTERFACE_TABLET,
+    .base.description   = "tablet",
+    .base.major_version = SPICE_INTERFACE_TABLET_MAJOR,
+    .base.minor_version = SPICE_INTERFACE_TABLET_MINOR,
+    .set_logical_size   = tablet_set_logical_size,
+    .position           = tablet_position,
+    .wheel              = tablet_wheel,
+    .buttons            = tablet_buttons,
+};
+
+static void mouse_mode_notifier(Notifier *notifier, void *data)
+{
+    QemuSpicePointer *pointer = container_of(notifier, QemuSpicePointer, mouse_mode);
+    bool is_absolute  = qemu_input_is_absolute();
+
+    if (pointer->absolute == is_absolute) {
+        return;
+    }
+
+    if (is_absolute) {
+        qemu_spice_add_interface(&pointer->tablet.base);
+    } else {
+        spice_server_remove_interface(&pointer->tablet.base);
+    }
+    pointer->absolute = is_absolute;
+}
+
+void qemu_spice_input_init(void)
+{
+    QemuSpiceKbd *kbd;
+    QemuSpicePointer *pointer;
+
+    kbd = g_malloc0(sizeof(*kbd));
+    kbd->sin.base.sif = &kbd_interface.base;
+    qemu_spice_add_interface(&kbd->sin.base);
+    qemu_add_led_event_handler(kbd_leds, kbd);
+
+    pointer = g_malloc0(sizeof(*pointer));
+    pointer->mouse.base.sif  = &mouse_interface.base;
+    pointer->tablet.base.sif = &tablet_interface.base;
+    qemu_spice_add_interface(&pointer->mouse.base);
+
+    pointer->absolute = false;
+    pointer->mouse_mode.notify = mouse_mode_notifier;
+    qemu_add_mouse_mode_change_notifier(&pointer->mouse_mode);
+    mouse_mode_notifier(&pointer->mouse_mode, NULL);
+}