Convert wl_input_device to wl_seat (and friends)
authorDaniel Stone <daniel@fooishbar.org>
Wed, 16 May 2012 17:44:40 +0000 (18:44 +0100)
committerKristian Høgsberg <krh@bitplanet.net>
Wed, 16 May 2012 18:19:22 +0000 (14:19 -0400)
wl_input_device has been both renamed and split.  wl_seat is now a
virtual object representing a group of logically related input devices
with related focus.

It now only generates one event: to let clients know that it has new
capabilities.  It takes requests which hand back objects for the
wl_pointer, wl_keyboard and wl_touch interfaces it exposes which all
provide the old input interface, just under different names.

Signed-off-by: Daniel Stone <daniel@fooishbar.org>
TODO
protocol/wayland.xml
src/data-device.c
src/wayland-server.c
src/wayland-server.h

diff --git a/TODO b/TODO
index 870a6e1..c8dcbac 100644 (file)
--- a/TODO
+++ b/TODO
@@ -41,16 +41,6 @@ Core wayland protocol
    keys down on pointer_focus and subsequent key events... or just key
    events for modifier keys... or for the non-repeating subset?
 
- - Input protocol restructuring: break up events into wl_pointer
-   (enter/leave/motion/button/axis events, set_pointer_surface
-   request), wl_keyboard (enter/leave/key events... what
-   else... unicode event, set_map request? pending kb work), and
-   wl_touch (down/up/motion/cancel events) interfaces.  Rename
-   wl_input_device to wl_seat.  wl_seat has zero or one of each, and
-   will announce this at bind time.  Raw devices are also tied to a
-   wl_seat, but we may not do that for 1.0, we just need to make sure
-   wl_seat has a forward compatible way to announce them.
-
  - Add timestamp to touch_cancel, add touch id to touch_cancel (?)
 
  - The output protocol needs to send all the ugly timing details for the modes.
index 6b1562b..f14d1d2 100644 (file)
 
     <request name="get_data_device">
       <arg name="id" type="new_id" interface="wl_data_device"/>
-      <arg name="input_device" type="object" interface="wl_input_device"/>
+      <arg name="seat" type="object" interface="wl_seat"/>
     </request>
   </interface>
 
     </request>
 
     <request name="move">
-      <arg name="input_device" type="object" interface="wl_input_device"/>
+      <arg name="seat" type="object" interface="wl_seat"/>
       <arg name="serial" type="uint"/>
     </request>
 
     </enum>
 
     <request name="resize">
-      <arg name="input_device" type="object" interface="wl_input_device"/>
+      <arg name="seat" type="object" interface="wl_seat"/>
       <arg name="serial" type="uint"/>
       <arg name="edges" type="uint"/>
     </request>
        inside or outside the surface?
       </description>
 
-      <arg name="input_device" type="object" interface="wl_input_device"/>
+      <arg name="seat" type="object" interface="wl_seat"/>
       <arg name="serial" type="uint"/>
       <arg name="parent" type="object" interface="wl_shell_surface"/>
       <arg name="x" type="int"/>
     </event>
   </interface>
 
-  <interface name="wl_input_device" version="1">
-    <description summary="input device group">
-      A group of keyboards and pointer devices (mice, for
-      example). This object is published as a global during start up,
-      or when such a device is hot plugged.  A input_device group
-      typically has a pointer and maintains a keyboard_focus and a
-      pointer_focus.
+  <interface name="wl_seat" version="1">
+    <description summary="seat">
+      A group of keyboards, pointer (mice, for example) and touch
+      devices . This object is published as a global during start up,
+      or when such a device is hot plugged.  A seat typically has a
+      pointer and maintains a keyboard_focus and a pointer_focus.
     </description>
 
+    <enum name="capability">
+      <description summary="seat capability bitmask">
+        This is a bitmask of capabilities this seat has; if a member is
+       set, then it is present on the seat.
+      </description>
+      <entry name="pointer" value="1" summary="wl_pointer"/>
+      <entry name="keyboard" value="2" summary="wl_keyboard"/>
+      <entry name="touch" value="4" summary="wl_touch"/>
+    </enum>
+
+
+    <event name="capabilities">
+      <description summary="seat capabilities changed">
+        This is emitted whenever a seat gains or loses the pointer,
+       keyboard or touch capabilities.  The argument is a wl_seat_caps_mask
+       enum containing the complete set of capabilities this seat has.
+      </description>
+      <arg name="capabilities" type="uint"/>
+    </event>
+
+    <request name="get_pointer">
+      <description summary="return pointer object">
+        The ID provided will be initialized to the wl_pointer interface
+       for this seat.
+      </description>
+      <arg name="id" type="new_id" interface="wl_pointer"/>
+    </request>
+
+    <request name="get_keyboard">
+      <description summary="return pointer object">
+        The ID provided will be initialized to the wl_keyboard interface
+       for this seat.
+      </description>
+      <arg name="id" type="new_id" interface="wl_keyboard"/>
+    </request>
+
+    <request name="get_touch">
+      <description summary="return pointer object">
+        The ID provided will be initialized to the wl_touch interface
+       for this seat.
+      </description>
+      <arg name="id" type="new_id" interface="wl_touch"/>
+    </request>
+  </interface>
+
+  <interface name="wl_pointer" version="1">
     <request name="attach">
       <description summary="set the pointer image">
        Set the pointer's image.  This request only takes effect if
       <arg name="hotspot_y" type="int"/>
     </request>
 
+    <event name="enter">
+      <description summary="enter event">
+       Notification that this seat's pointer is focused on a certain
+       surface. When an seat's focus enters a surface, the pointer image
+       is undefined and a client should respond to this event by setting
+       an appropriate pointer image.
+      </description>
+
+      <arg name="serial" type="uint"/>
+      <arg name="surface" type="object" interface="wl_surface"/>
+      <arg name="surface_x" type="fixed"/>
+      <arg name="surface_y" type="fixed"/>
+    </event>
+
+    <event name="leave">
+      <description summary="leave event">
+      </description>
+      <arg name="serial" type="uint"/>
+      <arg name="surface" type="object" interface="wl_surface"/>
+    </event>
+
     <event name="motion">
       <description summary="pointer motion event">
        Notification of pointer location change. The arguments surface_[xy]
       <arg name="axis" type="uint"/>
       <arg name="value" type="int"/>
     </event>
+  </interface>
 
-    <event name="key">
-      <description summary="key event">
-       A key was pressed or released.
-      </description>
+  <interface name="wl_keyboard" version="1">
+    <description summary="keyboard input device">
+    </description>
 
+    <event name="enter">
       <arg name="serial" type="uint"/>
-      <arg name="time" type="uint"/>
-      <arg name="key" type="uint"/>
-      <arg name="state" type="uint"/>
+      <arg name="surface" type="object" interface="wl_surface"/>
+      <arg name="keys" type="array"/>
     </event>
 
-    <event name="pointer_enter">
-      <description summary="pointer enter event">
-       Notification that this input device's pointer is focused on
-       certain surface. When an input_device enters a surface, the
-       pointer image is undefined and a client should respond to this
-       event by setting an appropriate pointer image.
-      </description>
-
+    <event name="leave">
       <arg name="serial" type="uint"/>
       <arg name="surface" type="object" interface="wl_surface"/>
-      <arg name="surface_x" type="fixed"/>
-      <arg name="surface_y" type="fixed"/>
     </event>
 
-    <event name="pointer_leave">
-      <description summary="pointer leave event">
+    <event name="key">
+      <description summary="key event">
+       A key was pressed or released.
       </description>
-      <arg name="serial" type="uint"/>
-      <arg name="surface" type="object" interface="wl_surface"/>
-    </event>
 
-    <event name="keyboard_enter">
       <arg name="serial" type="uint"/>
-      <arg name="surface" type="object" interface="wl_surface"/>
-      <arg name="keys" type="array"/>
+      <arg name="time" type="uint"/>
+      <arg name="key" type="uint"/>
+      <arg name="state" type="uint"/>
     </event>
+  </interface>
 
-    <event name="keyboard_leave">
-      <arg name="serial" type="uint"/>
-      <arg name="surface" type="object" interface="wl_surface"/>
-    </event>
+  <interface name="wl_touch" version="1">
+    <description summary="touch screen input device">
+    </description>
 
-    <event name="touch_down">
+    <event name="down">
       <arg name="serial" type="uint"/>
       <arg name="time" type="uint"/>
       <arg name="surface" type="object" interface="wl_surface"/>
       <arg name="y" type="fixed" />
     </event>
 
-    <event name="touch_up">
+    <event name="up">
       <arg name="serial" type="uint"/>
       <arg name="time" type="uint"/>
       <arg name="id" type="int" />
     </event>
 
-    <event name="touch_motion">
+    <event name="motion">
       <arg name="time" type="uint"/>
       <arg name="id" type="int" />
       <arg name="x" type="fixed" />
       <arg name="y" type="fixed" />
     </event>
 
-    <event name="touch_frame">
+    <event name="frame">
       <description summary="end of touch frame event">
        Indicates the end of a contact point list.
       </description>
     </event>
 
-    <event name="touch_cancel">
+    <event name="cancel">
       <description summary="touch session cancelled">
        Sent if the compositor decides the touch stream is a global
        gesture. No further events are sent to the clients from that
index 25b8743..8472da4 100644 (file)
@@ -169,48 +169,46 @@ find_resource(struct wl_list *list, struct wl_client *client)
 static void
 destroy_drag_focus(struct wl_listener *listener, void *data)
 {
-       struct wl_input_device *device =
-               container_of(listener, struct wl_input_device,
-                            drag_focus_listener);
+       struct wl_seat *seat =
+               container_of(listener, struct wl_seat, drag_focus_listener);
 
-       device->drag_focus_resource = NULL;
+       seat->drag_focus_resource = NULL;
 }
 
 static void
 drag_grab_focus(struct wl_pointer_grab *grab,
                struct wl_surface *surface, wl_fixed_t x, wl_fixed_t y)
 {
-       struct wl_input_device *device =
-               container_of(grab, struct wl_input_device, drag_grab);
+       struct wl_seat *seat = container_of(grab, struct wl_seat, drag_grab);
        struct wl_resource *resource, *offer;
        struct wl_display *display;
        uint32_t serial;
 
-       if (device->drag_focus_resource) {
-               wl_data_device_send_leave(device->drag_focus_resource);
-               wl_list_remove(&device->drag_focus_listener.link);
-               device->drag_focus_resource = NULL;
-               device->drag_focus = NULL;
+       if (seat->drag_focus_resource) {
+               wl_data_device_send_leave(seat->drag_focus_resource);
+               wl_list_remove(&seat->drag_focus_listener.link);
+               seat->drag_focus_resource = NULL;
+               seat->drag_focus = NULL;
        }
 
        if (surface)
-               resource = find_resource(&device->drag_resource_list, 
+               resource = find_resource(&seat->drag_resource_list,
                                         surface->resource.client);
        if (surface && resource) {
                display = wl_client_get_display(resource->client);
                serial = wl_display_next_serial(display);
 
-               offer = wl_data_source_send_offer(device->drag_data_source,
+               offer = wl_data_source_send_offer(seat->drag_data_source,
                                                  resource);
 
                wl_data_device_send_enter(resource, serial, &surface->resource,
                                          x, y, offer);
 
-               device->drag_focus = surface;
-               device->drag_focus_listener.notify = destroy_drag_focus;
+               seat->drag_focus = surface;
+               seat->drag_focus_listener.notify = destroy_drag_focus;
                wl_signal_add(&resource->destroy_signal,
-                             &device->drag_focus_listener);
-               device->drag_focus_resource = resource;
+                             &seat->drag_focus_listener);
+               seat->drag_focus_resource = resource;
                grab->focus = surface;
        }
 }
@@ -219,53 +217,51 @@ static void
 drag_grab_motion(struct wl_pointer_grab *grab,
                 uint32_t time, wl_fixed_t x, wl_fixed_t y)
 {
-       struct wl_input_device *device =
-               container_of(grab, struct wl_input_device, drag_grab);
+       struct wl_seat *seat = container_of(grab, struct wl_seat, drag_grab);
 
-       if (device->drag_focus_resource)
-               wl_data_device_send_motion(device->drag_focus_resource,
+       if (seat->drag_focus_resource)
+               wl_data_device_send_motion(seat->drag_focus_resource,
                                           time, x, y);
 }
 
 static void
-data_device_end_drag_grab(struct wl_input_device *device)
+data_device_end_drag_grab(struct wl_seat *seat)
 {
        struct wl_resource *surface_resource;
        struct wl_surface_interface *implementation;
 
-       if (device->drag_surface) {
-               surface_resource = &device->drag_surface->resource;
+       if (seat->drag_surface) {
+               surface_resource = &seat->drag_surface->resource;
                implementation = (struct wl_surface_interface *)
                        surface_resource->object.implementation;
 
                implementation->attach(surface_resource->client,
                                       surface_resource, NULL, 0, 0);
-               wl_list_remove(&device->drag_icon_listener.link);
+               wl_list_remove(&seat->drag_icon_listener.link);
        }
 
-       drag_grab_focus(&device->drag_grab, NULL,
+       drag_grab_focus(&seat->drag_grab, NULL,
                        wl_fixed_from_int(0), wl_fixed_from_int(0));
 
-       wl_input_device_end_pointer_grab(device);
+       wl_pointer_end_grab(seat->pointer);
 
-       device->drag_data_source = NULL;
-       device->drag_surface = NULL;
+       seat->drag_data_source = NULL;
+       seat->drag_surface = NULL;
 }
 
 static void
 drag_grab_button(struct wl_pointer_grab *grab,
                 uint32_t time, uint32_t button, uint32_t state)
 {
-       struct wl_input_device *device =
-               container_of(grab, struct wl_input_device, drag_grab);
+       struct wl_seat *seat = container_of(grab, struct wl_seat, drag_grab);
 
-       if (device->drag_focus_resource &&
-           device->grab_button == button && state == 0)
-               wl_data_device_send_drop(device->drag_focus_resource);
+       if (seat->drag_focus_resource &&
+           seat->pointer->grab_button == button && state == 0)
+               wl_data_device_send_drop(seat->drag_focus_resource);
 
-       if (device->button_count == 0 && state == 0) {
-               data_device_end_drag_grab(device);
-               wl_list_remove(&device->drag_data_source_listener.link);
+       if (seat->pointer->button_count == 0 && state == 0) {
+               data_device_end_drag_grab(seat);
+               wl_list_remove(&seat->drag_data_source_listener.link);
        }
 }
 
@@ -278,23 +274,19 @@ static const struct wl_pointer_grab_interface drag_grab_interface = {
 static void
 destroy_data_device_source(struct wl_listener *listener, void *data)
 {
-       struct wl_input_device *device;
+       struct wl_seat *seat = container_of(listener, struct wl_seat,
+                                           drag_data_source_listener);
 
-       device = container_of(listener, struct wl_input_device,
-                             drag_data_source_listener);
-
-       data_device_end_drag_grab(device);
+       data_device_end_drag_grab(seat);
 }
 
 static void
 destroy_data_device_icon(struct wl_listener *listener, void *data)
 {
-       struct wl_input_device *device;
-
-       device = container_of(listener, struct wl_input_device,
-                             drag_icon_listener);
+       struct wl_seat *seat = container_of(listener, struct wl_seat,
+                                           drag_data_source_listener);
 
-       device->drag_surface = NULL;
+       seat->drag_surface = NULL;
 }
 
 static void
@@ -303,89 +295,90 @@ data_device_start_drag(struct wl_client *client, struct wl_resource *resource,
                       struct wl_resource *origin_resource,
                       struct wl_resource *icon_resource, uint32_t serial)
 {
-       struct wl_input_device *device = resource->data;
+       struct wl_seat *seat = resource->data;
 
        /* FIXME: Check that client has implicit grab on the origin
         * surface that matches the given time. */
 
        /* FIXME: Check that the data source type array isn't empty. */
 
-       device->drag_grab.interface = &drag_grab_interface;
+       seat->drag_grab.interface = &drag_grab_interface;
 
-       device->drag_data_source = source_resource->data;
-       device->drag_data_source_listener.notify = destroy_data_device_source;
+       seat->drag_data_source = source_resource->data;
+       seat->drag_data_source_listener.notify = destroy_data_device_source;
        wl_signal_add(&source_resource->destroy_signal,
-                     &device->drag_data_source_listener);
+                     &seat->drag_data_source_listener);
 
        if (icon_resource) {
-               device->drag_surface = icon_resource->data;
-               device->drag_icon_listener.notify = destroy_data_device_icon;
+               seat->drag_surface = icon_resource->data;
+               seat->drag_icon_listener.notify = destroy_data_device_icon;
                wl_signal_add(&icon_resource->destroy_signal,
-                             &device->drag_icon_listener);
-               wl_signal_emit(&device->drag_icon_signal, icon_resource);
+                             &seat->drag_icon_listener);
+               wl_signal_emit(&seat->drag_icon_signal, icon_resource);
        }
 
-       wl_input_device_set_pointer_focus(device, NULL,
-                                         wl_fixed_from_int(0),
-                                         wl_fixed_from_int(0));
-
-       wl_input_device_start_pointer_grab(device, &device->drag_grab);
+       wl_pointer_set_focus(seat->pointer, NULL,
+                            wl_fixed_from_int(0), wl_fixed_from_int(0));
+       wl_pointer_start_grab(seat->pointer, &seat->drag_grab);
 }
 
 static void
 destroy_selection_data_source(struct wl_listener *listener, void *data)
 {
-       struct wl_input_device *device =
-               container_of(listener, struct wl_input_device,
-                            selection_data_source_listener);
-       struct wl_resource *data_device, *focus;
+       struct wl_seat *seat = container_of(listener, struct wl_seat,
+                                           selection_data_source_listener);
+       struct wl_resource *data_device;
+       struct wl_resource *focus = NULL;
 
-       device->selection_data_source = NULL;
+       seat->selection_data_source = NULL;
 
-       focus = device->keyboard_focus_resource;
+       if (seat->keyboard)
+               focus = seat->keyboard->focus_resource;
        if (focus) {
-               data_device = find_resource(&device->drag_resource_list,
+               data_device = find_resource(&seat->drag_resource_list,
                                            focus->client);
                wl_data_device_send_selection(data_device, NULL);
        }
 }
 
 WL_EXPORT void
-wl_input_device_set_selection(struct wl_input_device *device,
-                             struct wl_data_source *source, uint32_t serial)
+wl_seat_set_selection(struct wl_seat *seat, struct wl_data_source *source,
+                     uint32_t serial)
 {
-       struct wl_resource *data_device, *focus, *offer;
+       struct wl_resource *data_device, *offer;
+       struct wl_resource *focus = NULL;
 
-       if (device->selection_data_source &&
-           device->selection_serial - serial < UINT32_MAX / 2)
+       if (seat->selection_data_source &&
+           seat->selection_serial - serial < UINT32_MAX / 2)
                return;
 
-       if (device->selection_data_source) {
-               device->selection_data_source->cancel(device->selection_data_source);
-               wl_list_remove(&device->selection_data_source_listener.link);
-               device->selection_data_source = NULL;
+       if (seat->selection_data_source) {
+               seat->selection_data_source->cancel(seat->selection_data_source);
+               wl_list_remove(&seat->selection_data_source_listener.link);
+               seat->selection_data_source = NULL;
        }
 
-       device->selection_data_source = source;
-       device->selection_serial = serial;
+       seat->selection_data_source = source;
+       seat->selection_serial = serial;
 
-       focus = device->keyboard_focus_resource;
+       if (seat->keyboard)
+               focus = seat->keyboard->focus_resource;
        if (focus) {
-               data_device = find_resource(&device->drag_resource_list,
+               data_device = find_resource(&seat->drag_resource_list,
                                            focus->client);
                if (data_device) {
-                       offer = wl_data_source_send_offer(device->selection_data_source,
+                       offer = wl_data_source_send_offer(seat->selection_data_source,
                                                          data_device);
                        wl_data_device_send_selection(data_device, offer);
                }
        }
 
-       wl_signal_emit(&device->selection_signal, device);
+       wl_signal_emit(&seat->selection_signal, seat);
 
-       device->selection_data_source_listener.notify =
+       seat->selection_data_source_listener.notify =
                destroy_selection_data_source;
        wl_signal_add(&source->resource.destroy_signal,
-                     &device->selection_data_source_listener);
+                     &seat->selection_data_source_listener);
 }
 
 static void
@@ -397,8 +390,8 @@ data_device_set_selection(struct wl_client *client,
                return;
 
        /* FIXME: Store serial and check against incoming serial here. */
-       wl_input_device_set_selection(resource->data, source_resource->data,
-                                     serial);
+       wl_seat_set_selection(resource->data, source_resource->data,
+                             serial);
 }
 
 static const struct wl_data_device_interface data_device_interface = {
@@ -457,16 +450,16 @@ static void unbind_data_device(struct wl_resource *resource)
 static void
 get_data_device(struct wl_client *client,
                struct wl_resource *manager_resource,
-               uint32_t id, struct wl_resource *input_device)
+               uint32_t id, struct wl_resource *seat_resource)
 {
-       struct wl_input_device *device = input_device->data;
+       struct wl_seat *seat = seat_resource->data;
        struct wl_resource *resource;
 
-       resource =
-               wl_client_add_object(client, &wl_data_device_interface,
-                                    &data_device_interface, id, device);
-                                    
-       wl_list_insert(&device->drag_resource_list, &resource->link);
+       resource = wl_client_add_object(client, &wl_data_device_interface,
+                                       &data_device_interface, id,
+                                       seat);
+
+       wl_list_insert(&seat->drag_resource_list, &resource->link);
        resource->destroy = unbind_data_device;
 }
 
@@ -484,21 +477,24 @@ bind_manager(struct wl_client *client,
 }
 
 WL_EXPORT void
-wl_data_device_set_keyboard_focus(struct wl_input_device *device)
+wl_data_device_set_keyboard_focus(struct wl_seat *seat)
 {
        struct wl_resource *data_device, *focus, *offer;
        struct wl_data_source *source;
 
-       focus = device->keyboard_focus_resource;
+       if (!seat->keyboard)
+               return;
+
+       focus = seat->keyboard->focus_resource;
        if (!focus)
                return;
 
-       data_device = find_resource(&device->drag_resource_list,
+       data_device = find_resource(&seat->drag_resource_list,
                                    focus->client);
        if (!data_device)
                return;
 
-       source = device->selection_data_source;
+       source = seat->selection_data_source;
        if (source) {
                offer = wl_data_source_send_offer(source, data_device);
                wl_data_device_send_selection(data_device, offer);
index 62ab503..c1be56a 100644 (file)
@@ -453,33 +453,31 @@ wl_client_destroy(struct wl_client *client)
 static void
 lose_pointer_focus(struct wl_listener *listener, void *data)
 {
-       struct wl_input_device *device =
-               container_of(listener, struct wl_input_device,
-                            pointer_focus_listener);
+       struct wl_pointer *pointer =
+               container_of(listener, struct wl_pointer, focus_listener);
 
-       device->pointer_focus_resource = NULL;
+       pointer->focus_resource = NULL;
 }
 
 static void
 lose_keyboard_focus(struct wl_listener *listener, void *data)
 {
-       struct wl_input_device *device =
-               container_of(listener, struct wl_input_device,
-                            keyboard_focus_listener);
+       struct wl_keyboard *keyboard =
+               container_of(listener, struct wl_keyboard, focus_listener);
 
-       device->keyboard_focus_resource = NULL;
+       keyboard->focus_resource = NULL;
 }
 
 static void
 default_grab_focus(struct wl_pointer_grab *grab,
                   struct wl_surface *surface, wl_fixed_t x, wl_fixed_t y)
 {
-       struct wl_input_device *device = grab->input_device;
+       struct wl_pointer *pointer = grab->pointer;
 
-       if (device->button_count > 0)
+       if (pointer->button_count > 0)
                return;
 
-       wl_input_device_set_pointer_focus(device, surface, x, y);
+       wl_pointer_set_focus(pointer, surface, x, y);
 }
 
 static void
@@ -488,31 +486,28 @@ default_grab_motion(struct wl_pointer_grab *grab,
 {
        struct wl_resource *resource;
 
-       resource = grab->input_device->pointer_focus_resource;
+       resource = grab->pointer->focus_resource;
        if (resource)
-               wl_input_device_send_motion(resource, time, x, y);
+               wl_pointer_send_motion(resource, time, x, y);
 }
 
 static void
 default_grab_button(struct wl_pointer_grab *grab,
                    uint32_t time, uint32_t button, uint32_t state)
 {
-       struct wl_input_device *device = grab->input_device;
+       struct wl_pointer *pointer = grab->pointer;
        struct wl_resource *resource;
        uint32_t serial;
 
-       resource = device->pointer_focus_resource;
+       resource = pointer->focus_resource;
        if (resource) {
                serial = wl_display_next_serial(resource->client->display);
-               wl_input_device_send_button(resource, serial, time,
-                                           button, state);
+               wl_pointer_send_button(resource, serial, time, button, state);
        }
 
-       if (device->button_count == 0 && state == 0)
-               wl_input_device_set_pointer_focus(device,
-                                                 device->current,
-                                                 device->current_x,
-                                                 device->current_y);
+       if (pointer->button_count == 0 && state == 0)
+               wl_pointer_set_focus(pointer, pointer->current,
+                                    pointer->current_x, pointer->current_y);
 }
 
 static const struct wl_pointer_grab_interface
@@ -526,14 +521,14 @@ static void
 default_grab_key(struct wl_keyboard_grab *grab,
                 uint32_t time, uint32_t key, uint32_t state)
 {
-       struct wl_input_device *device = grab->input_device;
+       struct wl_keyboard *keyboard = grab->keyboard;
        struct wl_resource *resource;
        uint32_t serial;
 
-       resource = device->keyboard_focus_resource;
+       resource = keyboard->focus_resource;
        if (resource) {
                serial = wl_display_next_serial(resource->client->display);
-               wl_input_device_send_key(resource, serial, time, key, state);
+               wl_keyboard_send_key(resource, serial, time, key, state);
        }
 }
 
@@ -543,43 +538,147 @@ static const struct wl_keyboard_grab_interface
 };
 
 WL_EXPORT void
-wl_input_device_init(struct wl_input_device *device)
+wl_pointer_init(struct wl_pointer *pointer)
 {
-       memset(device, 0, sizeof *device);
-       wl_list_init(&device->resource_list);
-       wl_array_init(&device->keys);
-       device->pointer_focus_listener.notify = lose_pointer_focus;
-       device->keyboard_focus_listener.notify = lose_keyboard_focus;
-
-       device->default_pointer_grab.interface = &default_pointer_grab_interface;
-       device->default_pointer_grab.input_device = device;
-       device->pointer_grab = &device->default_pointer_grab;
-
-       device->default_keyboard_grab.interface = &default_keyboard_grab_interface;
-       device->default_keyboard_grab.input_device = device;
-       device->keyboard_grab = &device->default_keyboard_grab;
-
-       wl_list_init(&device->drag_resource_list);
-       device->selection_data_source = NULL;
-       wl_signal_init(&device->selection_signal);
-       wl_signal_init(&device->drag_icon_signal);
-
-       device->x = wl_fixed_from_int(100);
-       device->y = wl_fixed_from_int(100);
+       memset(pointer, 0, sizeof *pointer);
+       wl_list_init(&pointer->resource_list);
+       pointer->focus_listener.notify = lose_pointer_focus;
+       pointer->default_grab.interface = &default_pointer_grab_interface;
+       pointer->default_grab.pointer = pointer;
+       pointer->grab = &pointer->default_grab;
+
+       /* FIXME: Pick better co-ords. */
+       pointer->x = wl_fixed_from_int(100);
+       pointer->y = wl_fixed_from_int(100);
 }
 
 WL_EXPORT void
-wl_input_device_release(struct wl_input_device *device)
+wl_pointer_release(struct wl_pointer *pointer)
 {
-       if (device->keyboard_focus_resource)
-               wl_list_remove(&device->keyboard_focus_listener.link);
+       /* XXX: What about pointer->resource_list? */
+       if (pointer->focus_resource)
+               wl_list_remove(&pointer->focus_listener.link);
+}
+
+WL_EXPORT void
+wl_keyboard_init(struct wl_keyboard *keyboard)
+{
+       memset(keyboard, 0, sizeof *keyboard);
+       wl_list_init(&keyboard->resource_list);
+       wl_array_init(&keyboard->keys);
+       keyboard->focus_listener.notify = lose_keyboard_focus;
+       keyboard->default_grab.interface = &default_keyboard_grab_interface;
+       keyboard->default_grab.keyboard = keyboard;
+       keyboard->grab = &keyboard->default_grab;
+}
+
+WL_EXPORT void
+wl_keyboard_release(struct wl_keyboard *keyboard)
+{
+       /* XXX: What about keyboard->resource_list? */
+       if (keyboard->focus_resource)
+               wl_list_remove(&keyboard->focus_listener.link);
+       wl_array_release(&keyboard->keys);
+}
+
+WL_EXPORT void
+wl_touch_init(struct wl_touch *touch)
+{
+       memset(touch, 0, sizeof *touch);
+       wl_list_init(&touch->resource_list);
+}
 
-       if (device->pointer_focus_resource)
-               wl_list_remove(&device->pointer_focus_listener.link);
+WL_EXPORT void
+wl_touch_release(struct wl_touch *touch)
+{
+       /* XXX: What about touch->resource_list? */
+       if (touch->focus_resource)
+               wl_list_remove(&touch->focus_listener.link);
+}
 
-       /* XXX: What about device->resource_list? */
+WL_EXPORT void
+wl_seat_init(struct wl_seat *seat)
+{
+       memset(seat, 0, sizeof *seat);
 
-       wl_array_release(&device->keys);
+       seat->selection_data_source = NULL;
+       wl_list_init(&seat->base_resource_list);
+       wl_signal_init(&seat->selection_signal);
+       wl_list_init(&seat->drag_resource_list);
+       wl_signal_init(&seat->drag_icon_signal);
+}
+
+WL_EXPORT void
+wl_seat_release(struct wl_seat *seat)
+{
+       if (seat->pointer)
+               wl_pointer_release(seat->pointer);
+       if (seat->keyboard)
+               wl_keyboard_release(seat->keyboard);
+       if (seat->touch)
+               wl_touch_release(seat->touch);
+}
+
+static void
+seat_send_updated_caps(struct wl_seat *seat)
+{
+       struct wl_resource *r;
+       enum wl_seat_capability caps = 0;
+
+       if (seat->pointer)
+               caps |= WL_SEAT_CAPABILITY_POINTER;
+       if (seat->keyboard)
+               caps |= WL_SEAT_CAPABILITY_KEYBOARD;
+       if (seat->touch)
+               caps |= WL_SEAT_CAPABILITY_TOUCH;
+
+       wl_list_for_each(r, &seat->base_resource_list, link)
+               wl_seat_send_capabilities(r, caps);
+}
+
+WL_EXPORT void
+wl_seat_set_pointer(struct wl_seat *seat, struct wl_pointer *pointer)
+{
+       if (pointer && (seat->pointer || pointer->seat))
+               return; /* XXX: error? */
+       if (!pointer && !seat->pointer)
+               return;
+
+       seat->pointer = pointer;
+       if (pointer)
+               pointer->seat = seat;
+
+       seat_send_updated_caps(seat);
+}
+
+WL_EXPORT void
+wl_seat_set_keyboard(struct wl_seat *seat, struct wl_keyboard *keyboard)
+{
+       if (keyboard && (seat->keyboard || keyboard->seat))
+               return; /* XXX: error? */
+       if (!keyboard && seat->keyboard)
+               return;
+
+       seat->keyboard = keyboard;
+       if (keyboard)
+               keyboard->seat = seat;
+
+       seat_send_updated_caps(seat);
+}
+
+WL_EXPORT void
+wl_seat_set_touch(struct wl_seat *seat, struct wl_touch *touch)
+{
+       if (touch && (seat->touch || touch->seat))
+               return; /* XXX: error? */
+       if (!touch && !seat->touch)
+               return;
+
+       seat->touch = touch;
+       if (!touch)
+               touch->seat = seat;
+
+       seat_send_updated_caps(seat);
 }
 
 static struct wl_resource *
@@ -599,113 +698,110 @@ find_resource_for_surface(struct wl_list *list, struct wl_surface *surface)
 }
 
 WL_EXPORT void
-wl_input_device_set_pointer_focus(struct wl_input_device *device,
-                                 struct wl_surface *surface,
-                                 wl_fixed_t sx, wl_fixed_t sy)
+wl_pointer_set_focus(struct wl_pointer *pointer, struct wl_surface *surface,
+                    wl_fixed_t sx, wl_fixed_t sy)
 {
        struct wl_resource *resource;
        uint32_t serial;
 
-       if (device->pointer_focus == surface)
+       if (pointer->focus == surface)
                return;
 
-       resource = device->pointer_focus_resource;
+       resource = pointer->focus_resource;
        if (resource) {
                serial = wl_display_next_serial(resource->client->display);
-               wl_input_device_send_pointer_leave(resource, serial,
-                       &device->pointer_focus->resource);
-               wl_list_remove(&device->pointer_focus_listener.link);
+               wl_pointer_send_leave(resource, serial,
+                                     &pointer->focus->resource);
+               wl_list_remove(&pointer->focus_listener.link);
        }
 
-
-       resource = find_resource_for_surface(&device->resource_list, surface);
+       resource = find_resource_for_surface(&pointer->resource_list,
+                                            surface);
        if (resource) {
                serial = wl_display_next_serial(resource->client->display);
-               wl_input_device_send_pointer_enter(resource, serial,
-                                                  &surface->resource,
-                                                  sx, sy);
+               wl_pointer_send_enter(resource, serial, &surface->resource,
+                                     sx, sy);
                wl_signal_add(&resource->destroy_signal,
-                             &device->pointer_focus_listener);
-               device->pointer_focus_serial = serial;
+                             &pointer->focus_listener);
+               pointer->focus_serial = serial;
        }
 
-       device->pointer_focus_resource = resource;
-       device->pointer_focus = surface;
-       device->default_pointer_grab.focus = surface;
+       pointer->focus_resource = resource;
+       pointer->focus = surface;
+       pointer->default_grab.focus = surface;
 }
 
 WL_EXPORT void
-wl_input_device_set_keyboard_focus(struct wl_input_device *device,
-                                  struct wl_surface *surface)
+wl_keyboard_set_focus(struct wl_keyboard *keyboard, struct wl_surface *surface)
 {
        struct wl_resource *resource;
        uint32_t serial;
 
-       if (device->keyboard_focus == surface)
+       if (keyboard->focus == surface)
                return;
 
-       if (device->keyboard_focus_resource) {
-               resource = device->keyboard_focus_resource;
+       if (keyboard->focus_resource) {
+               resource = keyboard->focus_resource;
                serial = wl_display_next_serial(resource->client->display);
-               wl_input_device_send_keyboard_leave(resource, serial,
-                                                   &device->keyboard_focus->resource);
-               wl_list_remove(&device->keyboard_focus_listener.link);
+               wl_keyboard_send_leave(resource, serial,
+                                      &keyboard->focus->resource);
+               wl_list_remove(&keyboard->focus_listener.link);
        }
 
-       resource = find_resource_for_surface(&device->resource_list, surface);
+       resource = find_resource_for_surface(&keyboard->resource_list,
+                                            surface);
        if (resource) {
                serial = wl_display_next_serial(resource->client->display);
-               wl_input_device_send_keyboard_enter(resource, serial,
-                                                   &surface->resource,
-                                                   &device->keys);
+               wl_keyboard_send_enter(resource, serial, &surface->resource,
+                                      &keyboard->keys);
                wl_signal_add(&resource->destroy_signal,
-                             &device->keyboard_focus_listener);
-               device->keyboard_focus_serial = serial;
+                             &keyboard->focus_listener);
+               keyboard->focus_serial = serial;
        }
 
-       device->keyboard_focus_resource = resource;
-       device->keyboard_focus = surface;
+       keyboard->focus_resource = resource;
+       keyboard->focus = surface;
 }
 
 WL_EXPORT void
-wl_input_device_start_keyboard_grab(struct wl_input_device *device,
-                                   struct wl_keyboard_grab *grab)
+wl_keyboard_start_grab(struct wl_keyboard *keyboard,
+                      struct wl_keyboard_grab *grab)
 {
-       device->keyboard_grab = grab;
-       grab->input_device = device;
+       keyboard->grab = grab;
+       grab->keyboard = keyboard;
 
+       /* XXX focus? */
 }
 
 WL_EXPORT void
-wl_input_device_end_keyboard_grab(struct wl_input_device *device)
+wl_keyboard_end_grab(struct wl_keyboard *keyboard)
 {
-       device->keyboard_grab = &device->default_keyboard_grab;
+       keyboard->grab = &keyboard->default_grab;
 }
 
 WL_EXPORT void
-wl_input_device_start_pointer_grab(struct wl_input_device *device,
-                                  struct wl_pointer_grab *grab)
+wl_pointer_start_grab(struct wl_pointer *pointer, struct wl_pointer_grab *grab)
 {
        const struct wl_pointer_grab_interface *interface;
 
-       device->pointer_grab = grab;
-       interface = device->pointer_grab->interface;
-       grab->input_device = device;
+       pointer->grab = grab;
+       interface = pointer->grab->interface;
+       grab->pointer = pointer;
 
-       if (device->current)
-               interface->focus(device->pointer_grab, device->current,
-                                device->current_x, device->current_y);
+       if (pointer->current)
+               interface->focus(pointer->grab, pointer->current,
+                                pointer->current_x, pointer->current_y);
 }
 
 WL_EXPORT void
-wl_input_device_end_pointer_grab(struct wl_input_device *device)
+wl_pointer_end_grab(struct wl_pointer *pointer)
 {
        const struct wl_pointer_grab_interface *interface;
 
-       device->pointer_grab = &device->default_pointer_grab;
-       interface = device->pointer_grab->interface;
-       interface->focus(device->pointer_grab, device->current,
-                        device->current_x, device->current_y);
+       pointer->grab = &pointer->default_grab;
+       interface = pointer->grab->interface;
+       interface->focus(pointer->grab, pointer->current,
+                        pointer->current_x, pointer->current_y);
 }
 
 static void
index d426b35..31f6fe5 100644 (file)
@@ -74,7 +74,10 @@ int wl_event_loop_get_fd(struct wl_event_loop *loop);
 
 struct wl_client;
 struct wl_display;
-struct wl_input_device;
+struct wl_seat;
+struct wl_pointer;
+struct wl_keyboard;
+struct wl_touch;
 struct wl_listener;
 typedef void (*wl_notify_func_t)(struct wl_listener *listener, void *data);
 
@@ -198,7 +201,7 @@ struct wl_pointer_grab_interface {
 
 struct wl_pointer_grab {
        const struct wl_pointer_grab_interface *interface;
-       struct wl_input_device *input_device;
+       struct wl_pointer *pointer;
        struct wl_surface *focus;
        wl_fixed_t x, y;
 };
@@ -211,7 +214,7 @@ struct wl_keyboard_grab_interface {
 
 struct wl_keyboard_grab {
        const struct wl_keyboard_grab_interface *interface;
-       struct wl_input_device *input_device;
+       struct wl_keyboard *keyboard;
        struct wl_surface *focus;
        uint32_t key;
 };
@@ -230,33 +233,68 @@ struct wl_data_source {
        void (*cancel)(struct wl_data_source *source);
 };
 
-struct wl_input_device {
+struct wl_pointer {
+       struct wl_seat *seat;
+
        struct wl_list resource_list;
-       struct wl_resource *pointer_focus_resource;
-       struct wl_surface *pointer_focus;
-       struct wl_resource *keyboard_focus_resource;
-       struct wl_surface *keyboard_focus;
-       struct wl_array keys;
-       uint32_t pointer_focus_serial;
-       uint32_t keyboard_focus_serial;
-       struct wl_listener pointer_focus_listener;
-       struct wl_listener keyboard_focus_listener;
+       struct wl_surface *focus;
+       struct wl_resource *focus_resource;
+       struct wl_listener focus_listener;
+       uint32_t focus_serial;
+
+       struct wl_pointer_grab *grab;
+       struct wl_pointer_grab default_grab;
+       wl_fixed_t grab_x, grab_y;
+       uint32_t grab_button;
+       uint32_t grab_serial;
+       uint32_t grab_time;
 
        wl_fixed_t x, y;
        struct wl_surface *current;
        wl_fixed_t current_x, current_y;
 
-       struct wl_pointer_grab *pointer_grab;
-       struct wl_pointer_grab default_pointer_grab;
-       struct wl_keyboard_grab *keyboard_grab;
-       struct wl_keyboard_grab default_keyboard_grab;
        uint32_t button_count;
-       uint32_t grab_time;
-       uint32_t grab_serial;
-       wl_fixed_t grab_x, grab_y;
-       uint32_t grab_button;
+};
+
+struct wl_keyboard {
+       struct wl_seat *seat;
+
+       struct wl_list resource_list;
+       struct wl_surface *focus;
+       struct wl_resource *focus_resource;
+       struct wl_listener focus_listener;
+       uint32_t focus_serial;
+
+       struct wl_keyboard_grab *grab;
+       struct wl_keyboard_grab default_grab;
        uint32_t grab_key;
-       struct wl_listener grab_listener;
+       uint32_t grab_serial;
+       uint32_t grab_time;
+
+       struct wl_array keys;
+};
+
+struct wl_touch {
+       struct wl_seat *seat;
+
+       struct wl_list resource_list;
+       struct wl_surface *focus;
+       struct wl_resource *focus_resource;
+       struct wl_listener focus_listener;
+       uint32_t focus_serial;
+};
+
+struct wl_seat {
+       struct wl_list base_resource_list;
+
+       struct wl_pointer *pointer;
+       struct wl_keyboard *keyboard;
+       struct wl_touch *touch;
+
+       uint32_t selection_serial;
+       struct wl_data_source *selection_data_source;
+       struct wl_listener selection_data_source_listener;
+       struct wl_signal selection_signal;
 
        struct wl_list drag_resource_list;
        struct wl_data_source *drag_data_source;
@@ -268,12 +306,6 @@ struct wl_input_device {
        struct wl_surface *drag_surface;
        struct wl_listener drag_icon_listener;
        struct wl_signal drag_icon_signal;
-
-       uint32_t selection_serial;
-       struct wl_data_source *selection_data_source;
-       struct wl_listener selection_data_source_listener;
-       struct wl_signal selection_signal;
-
 };
 
 /*
@@ -316,39 +348,58 @@ void
 wl_resource_destroy(struct wl_resource *resource);
 
 void
-wl_input_device_init(struct wl_input_device *device);
+wl_seat_init(struct wl_seat *seat);
 
 void
-wl_input_device_release(struct wl_input_device *device);
+wl_seat_release(struct wl_seat *seat);
 
 void
-wl_input_device_set_pointer_focus(struct wl_input_device *device,
-                                 struct wl_surface *surface,
-                                 wl_fixed_t sx, wl_fixed_t sy);
+wl_seat_set_pointer(struct wl_seat *seat, struct wl_pointer *pointer);
+void
+wl_seat_set_keyboard(struct wl_seat *seat, struct wl_keyboard *keyboard);
+void
+wl_seat_set_touch(struct wl_seat *seat, struct wl_touch *touch);
 
 void
-wl_input_device_set_keyboard_focus(struct wl_input_device *device,
-                                  struct wl_surface *surface);
+wl_pointer_init(struct wl_pointer *pointer);
 void
-wl_data_device_set_keyboard_focus(struct wl_input_device *device);
-int
-wl_data_device_manager_init(struct wl_display *display);
+wl_pointer_release(struct wl_pointer *pointer);
+void
+wl_pointer_set_focus(struct wl_pointer *pointer, struct wl_surface *surface,
+                    wl_fixed_t sx, wl_fixed_t sy);
+void
+wl_pointer_start_grab(struct wl_pointer *pointer,
+                     struct wl_pointer_grab *grab);
+void
+wl_pointer_end_grab(struct wl_pointer *pointer);
 
 void
-wl_input_device_start_keyboard_grab(struct wl_input_device *device,
-                                   struct wl_keyboard_grab *grab);
+wl_keyboard_init(struct wl_keyboard *keyboard);
+void
+wl_keyboard_release(struct wl_keyboard *keyboard);
+void
+wl_keyboard_set_focus(struct wl_keyboard *keyboard, struct wl_surface *surface);
 void
-wl_input_device_end_keyboard_grab(struct wl_input_device *device);
+wl_keyboard_start_grab(struct wl_keyboard *device,
+                      struct wl_keyboard_grab *grab);
+void
+wl_keyboard_end_grab(struct wl_keyboard *keyboard);
 
 void
-wl_input_device_start_pointer_grab(struct wl_input_device *device,
-                                  struct wl_pointer_grab *grab);
+wl_touch_init(struct wl_touch *touch);
+void
+wl_touch_release(struct wl_touch *touch);
+
 void
-wl_input_device_end_pointer_grab(struct wl_input_device *device);
+wl_data_device_set_keyboard_focus(struct wl_seat *seat);
+
+int
+wl_data_device_manager_init(struct wl_display *display);
+
 
 void
-wl_input_device_set_selection(struct wl_input_device *device,
-                             struct wl_data_source *source, uint32_t serial);
+wl_seat_set_selection(struct wl_seat *seat,
+                     struct wl_data_source *source, uint32_t serial);
 
 
 void *