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[v4,08/10] spice: add mouse

Message ID 1282903199-30669-9-git-send-email-kraxel@redhat.com
State New
Headers show

Commit Message

Gerd Hoffmann Aug. 27, 2010, 9:59 a.m. UTC 
Open mouse channel.  Now you can move the guests mouse pointer.
No tablet / absolute positioning (yet) though.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 ui/spice-input.c |   49 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 49 insertions(+), 0 deletions(-)
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Patch

diff --git a/ui/spice-input.c b/ui/spice-input.c
index efecc22..afb4d61 100644
--- a/ui/spice-input.c
+++ b/ui/spice-input.c
@@ -71,12 +71,61 @@  static void kbd_leds(void *opaque, int ledstate)
     spice_server_kbd_leds(&kbd->sin, ledstate);
 }
 
+/* mouse bits */
+
+typedef struct QemuSpiceMouse {
+    SpiceMouseInstance sin;
+} QemuSpiceMouse;
+
+static int map_buttons(int spice_buttons)
+{
+    int qemu_buttons = 0;
+
+    /*
+     * Note: SPICE_MOUSE_BUTTON_* specifies the wire protocol but this
+     * isn't what we get passed in via interface callbacks for the
+     * middle and right button ...
+     */
+    if (spice_buttons & SPICE_MOUSE_BUTTON_MASK_LEFT)
+        qemu_buttons |= MOUSE_EVENT_LBUTTON;
+    if (spice_buttons & 0x04 /* SPICE_MOUSE_BUTTON_MASK_MIDDLE */)
+        qemu_buttons |= MOUSE_EVENT_MBUTTON;
+    if (spice_buttons & 0x02 /* SPICE_MOUSE_BUTTON_MASK_RIGHT */)
+        qemu_buttons |= MOUSE_EVENT_RBUTTON;
+    return qemu_buttons;
+}
+
+static void mouse_motion(SpiceMouseInstance *sin, int dx, int dy, int dz,
+                         uint32_t buttons_state)
+{
+    kbd_mouse_event(dx, dy, dz, map_buttons(buttons_state));
+}
+
+static void mouse_buttons(SpiceMouseInstance *sin, uint32_t buttons_state)
+{
+    kbd_mouse_event(0, 0, 0, map_buttons(buttons_state));
+}
+
+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,
+};
+
 void qemu_spice_input_init(void)
 {
     QemuSpiceKbd *kbd;
+    QemuSpiceMouse *mouse;
 
     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);
+
+    mouse = qemu_mallocz(sizeof(*mouse));
+    mouse->sin.base.sif = &mouse_interface.base;
+    qemu_spice_add_interface(&mouse->sin.base);
 }