Update to latest xdg-shell protocol

3 files changed, 160 insertions, 212 deletions

diff --git a/src/wayland/meta-wayland-surface.c b/src/wayland/meta-wayland-surface.c
index cd35e6431..b5402c74e 100644
--- a/src/wayland/meta-wayland-surface.c
+++ b/src/wayland/meta-wayland-surface.c
@@ -584,12 +584,42 @@ sync_reactive (MetaWaylandSurface *surface)
                               surface_should_be_reactive (surface));
 }
 
+static void
+surface_state_changed (MetaWaylandSurface *surface)
+{
+  if (surface->window)
+    meta_wayland_surface_configure_notify (surface,
+                                           surface->window->rect.width,
+                                           surface->window->rect.height);
+}
+
+static void
+window_appears_focused_changed (MetaWindow *window,
+                                GParamSpec *pspec,
+                                gpointer    user_data)
+{
+  MetaWaylandSurface *surface = user_data;
+
+  surface_state_changed (surface);
+}
+
 void
 meta_wayland_surface_set_window (MetaWaylandSurface *surface,
                                  MetaWindow         *window)
 {
+  if (surface->window)
+    {
+      g_signal_handlers_disconnect_by_func (surface->window, window_appears_focused_changed, surface);
+    }
+
   surface->window = window;
 
+  if (surface->window)
+    {
+      g_signal_connect (surface->window, "notify::appears-focused",
+                        G_CALLBACK (window_appears_focused_changed), surface);
+    }
+
   sync_reactive (surface);
 }
 
@@ -857,52 +887,48 @@ xdg_surface_resize (struct wl_client *client,
 }
 
 static void
-xdg_surface_set_output (struct wl_client *client,
-                        struct wl_resource *resource,
-                        struct wl_resource *output)
+xdg_surface_ack_configure (struct wl_client *client,
+                           struct wl_resource *resource,
+                           uint32_t serial)
 {
-  g_warning ("TODO: support xdg_surface.set_output");
+  /* Do nothing for now. In the future, we'd imagine that
+   * we'd ignore attaches when we have a state pending that
+   * we haven't had the client ACK'd, to prevent a race
+   * condition when we have an in-flight attach when the
+   * client gets the new state. */
 }
 
 static void
-xdg_surface_request_change_state (struct wl_client *client,
-                                  struct wl_resource *resource,
-                                  uint32_t state_type,
-                                  uint32_t value,
-                                  uint32_t serial)
+xdg_surface_set_maximized (struct wl_client *client,
+                           struct wl_resource *resource)
 {
   MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
+  meta_window_maximize (surface->window, META_MAXIMIZE_BOTH);
+}
 
-  surface->state_changed_serial = serial;
+static void
+xdg_surface_unset_maximized (struct wl_client *client,
+                             struct wl_resource *resource)
+{
+  MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
+  meta_window_unmaximize (surface->window, META_MAXIMIZE_BOTH);
+}
 
-  switch (state_type)
-    {
-    case XDG_SURFACE_STATE_MAXIMIZED:
-      if (value)
-        meta_window_maximize (surface->window, META_MAXIMIZE_BOTH);
-      else
-        meta_window_unmaximize (surface->window, META_MAXIMIZE_BOTH);
-      break;
-    case XDG_SURFACE_STATE_FULLSCREEN:
-      if (value)
-        meta_window_make_fullscreen (surface->window);
-      else
-        meta_window_unmake_fullscreen (surface->window);
-    }
+static void
+xdg_surface_set_fullscreen (struct wl_client *client,
+                            struct wl_resource *resource,
+                            struct wl_resource *output_resource)
+{
+  MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
+  meta_window_make_fullscreen (surface->window);
 }
 
 static void
-xdg_surface_ack_change_state (struct wl_client *client,
-                              struct wl_resource *resource,
-                              uint32_t state_type,
-                              uint32_t value,
-                              uint32_t serial)
+xdg_surface_unset_fullscreen (struct wl_client *client,
+                              struct wl_resource *resource)
 {
-  /* Do nothing for now. In the future, we'd imagine that
-   * we'd ignore attaches when we have a state pending that
-   * we haven't had the client ACK'd, to prevent a race
-   * condition when we have an in-flight attach when the
-   * client gets the new state. */
+  MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
+  meta_window_unmake_fullscreen (surface->window);
 }
 
 static void
@@ -910,7 +936,6 @@ xdg_surface_set_minimized (struct wl_client *client,
                            struct wl_resource *resource)
 {
   MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
-
   meta_window_minimize (surface->window);
 }
 
@@ -922,9 +947,11 @@ static const struct xdg_surface_interface meta_wayland_xdg_surface_interface = {
   xdg_surface_set_app_id,
   xdg_surface_move,
   xdg_surface_resize,
-  xdg_surface_set_output,
-  xdg_surface_request_change_state,
-  xdg_surface_ack_change_state,
+  xdg_surface_ack_configure,
+  xdg_surface_set_maximized,
+  xdg_surface_unset_maximized,
+  xdg_surface_set_fullscreen,
+  xdg_surface_unset_fullscreen,
   xdg_surface_set_minimized,
 };
 
@@ -1727,86 +1754,61 @@ meta_wayland_shell_init (MetaWaylandCompositor *compositor)
     g_error ("Failed to register a global wl-subcompositor object");
 }
 
-void
-meta_wayland_surface_configure_notify (MetaWaylandSurface *surface,
-				       int                 new_width,
-				       int                 new_height)
-{
-  /* new_width and new_height comes from window->rect,
-   * which is based on the buffer size, not the surface
-   * size. The configure event requires surface size. */
-  new_width /= surface->scale;
-  new_height /= surface->scale;
-
-  if (surface->xdg_surface.resource)
-    xdg_surface_send_configure (surface->xdg_surface.resource,
-                                new_width, new_height);
-  else if (surface->wl_shell_surface.resource)
-    wl_shell_surface_send_configure (surface->wl_shell_surface.resource,
-                                     0, new_width, new_height);
-}
-
 static void
-send_change_state (MetaWaylandSurface *surface,
-                   uint32_t state_type,
-                   uint32_t value)
+fill_states (struct wl_array *states, MetaWindow *window)
 {
-  if (surface->xdg_surface.resource)
-    {
-      uint32_t serial;
+  uint32_t *s;
 
-      if (surface->state_changed_serial != 0)
-        {
-          serial = surface->state_changed_serial;
-          surface->state_changed_serial = 0;
-        }
-      else
-        {
-          struct wl_client *client = wl_resource_get_client (surface->xdg_surface.resource);
-          struct wl_display *display = wl_client_get_display (client);
-          serial = wl_display_next_serial (display);
-        }
-
-      xdg_surface_send_change_state (surface->xdg_surface.resource, state_type, value, serial);
+  if (META_WINDOW_MAXIMIZED (window))
+    {
+      s = wl_array_add (states, sizeof *s);
+      *s = XDG_SURFACE_STATE_MAXIMIZED;
+    }
+  if (meta_window_is_fullscreen (window))
+    {
+      s = wl_array_add (states, sizeof *s);
+      *s = XDG_SURFACE_STATE_FULLSCREEN;
+    }
+  if (meta_grab_op_is_resizing (window->display->grab_op))
+    {
+      s = wl_array_add (states, sizeof *s);
+      *s = XDG_SURFACE_STATE_RESIZING;
+    }
+  if (meta_window_appears_focused (window))
+    {
+      s = wl_array_add (states, sizeof *s);
+      *s = XDG_SURFACE_STATE_ACTIVATED;
     }
 }
 
 void
-meta_wayland_surface_send_maximized (MetaWaylandSurface *surface)
-{
-  send_change_state (surface, XDG_SURFACE_STATE_MAXIMIZED, TRUE);
-}
-
-void
-meta_wayland_surface_send_unmaximized (MetaWaylandSurface *surface)
+meta_wayland_surface_configure_notify (MetaWaylandSurface *surface,
+				       int                 new_width,
+				       int                 new_height)
 {
-  send_change_state (surface, XDG_SURFACE_STATE_MAXIMIZED, FALSE);
-}
+  if (surface->xdg_surface.resource)
+    {
+      struct wl_client *client = wl_resource_get_client (surface->xdg_surface.resource);
+      struct wl_display *display = wl_client_get_display (client);
+      uint32_t serial = wl_display_next_serial (display);
+      struct wl_array states;
 
-void
-meta_wayland_surface_send_fullscreened (MetaWaylandSurface *surface)
-{
-  send_change_state (surface, XDG_SURFACE_STATE_FULLSCREEN, TRUE);
-}
+      wl_array_init (&states);
+      fill_states (&states, surface->window);
 
-void
-meta_wayland_surface_send_unfullscreened (MetaWaylandSurface *surface)
-{
-  send_change_state (surface, XDG_SURFACE_STATE_FULLSCREEN, FALSE);
-}
+      /* new_width and new_height comes from window->rect, which is based on
+       * the buffer size, not the surface size. The configure event requires
+       * surface size. */
+      new_width /= surface->scale;
+      new_height /= surface->scale;
 
-void
-meta_wayland_surface_activated (MetaWaylandSurface *surface)
-{
-  if (surface->xdg_surface.resource)
-    xdg_surface_send_activated (surface->xdg_surface.resource);
-}
+      xdg_surface_send_configure (surface->xdg_surface.resource, new_width, new_height, &states, serial);
 
-void
-meta_wayland_surface_deactivated (MetaWaylandSurface *surface)
-{
-  if (surface->xdg_surface.resource)
-    xdg_surface_send_deactivated (surface->xdg_surface.resource);
+      wl_array_release (&states);
+    }
+  else if (surface->wl_shell_surface.resource)
+    wl_shell_surface_send_configure (surface->wl_shell_surface.resource,
+                                     0, new_width, new_height);
 }
 
 void
diff --git a/src/wayland/meta-wayland-surface.h b/src/wayland/meta-wayland-surface.h
index 91a0b1057..c808e6dc6 100644
--- a/src/wayland/meta-wayland-surface.h
+++ b/src/wayland/meta-wayland-surface.h
@@ -109,8 +109,6 @@ struct _MetaWaylandSurface
     GSList *pending_placement_ops;
   } sub;
 
-  uint32_t state_changed_serial;
-
   /* All the pending state that wl_surface.commit will apply. */
   MetaWaylandPendingState pending;
 };
@@ -128,13 +126,6 @@ void                meta_wayland_surface_set_window (MetaWaylandSurface *surface
 void                meta_wayland_surface_configure_notify (MetaWaylandSurface *surface,
 							   int                 width,
 							   int                 height);
-void                meta_wayland_surface_send_maximized (MetaWaylandSurface *surface);
-void                meta_wayland_surface_send_unmaximized (MetaWaylandSurface *surface);
-void                meta_wayland_surface_send_fullscreened (MetaWaylandSurface *surface);
-void                meta_wayland_surface_send_unfullscreened (MetaWaylandSurface *surface);
-
-void                meta_wayland_surface_activated (MetaWaylandSurface *surface);
-void                meta_wayland_surface_deactivated (MetaWaylandSurface *surface);
 
 void                meta_wayland_surface_ping (MetaWaylandSurface *surface,
                                                guint32             serial);
diff --git a/src/wayland/protocol/xdg-shell.xml b/src/wayland/protocol/xdg-shell.xml
index 788269347..3c186102b 100644
--- a/src/wayland/protocol/xdg-shell.xml
+++ b/src/wayland/protocol/xdg-shell.xml
@@ -241,40 +241,6 @@
       <arg name="edges" type="uint" summary="which edge or corner is being dragged"/>
     </request>
 
-    <event name="configure">
-      <description summary="suggest resize">
-	The configure event asks the client to resize its surface.
-
-	The size is a hint, in the sense that the client is free to
-	ignore it if it doesn't resize, pick a smaller size (to
-	satisfy aspect ratio or resize in steps of NxM pixels).
-
-	The client is free to dismiss all but the last configure
-	event it received.
-
-	The width and height arguments specify the size of the window
-	in surface local coordinates.
-      </description>
-
-      <arg name="width" type="int"/>
-      <arg name="height" type="int"/>
-    </event>
-
-    <request name="set_output">
-      <description summary="set the default output used by this surface">
-	Set the default output used by this surface when it is first mapped.
-
-	If this value is NULL (default), it's up to the compositor to choose
-	which display will be used to map this surface.
-
-	When fullscreen or maximized state are set on this surface, and it
-	wasn't mapped yet, the output set with this method will be used.
-	Otherwise, the output where the surface is currently mapped will be
-	used.
-      </description>
-      <arg name="output" type="object" interface="wl_output" allow-null="true"/>
-    </request>
-
     <enum name="state">
       <description summary="types of state on the surface">
         The different state values used on the surface. This is designed for
@@ -297,89 +263,78 @@
         0x1000 - 0x1FFF: GNOME
       </description>
       <entry name="maximized" value="1" summary="the surface is maximized">
-        A non-zero value indicates the surface is maximized. Otherwise,
-        the surface is unmaximized.
+        The surface is maximized. The window geometry specified in the configure
+        event must be obeyed by the client.
       </entry>
       <entry name="fullscreen" value="2" summary="the surface is fullscreen">
-        A non-zero value indicates the surface is fullscreen. Otherwise,
-        the surface is not fullscreen.
+        The surface is fullscreen. The window geometry specified in the configure
+        event must be obeyed by the client.
+      </entry>
+      <entry name="resizing" value="3">
+        The surface is being resized. The window geometry specified in the
+        configure event is a maximum; the client cannot resize beyond it.
+        Clients that have aspect ratio or cell sizing configuration can use
+        a smaller size, however.
+      </entry>
+      <entry name="activated" value="4">
+        Client window decorations should be painted as if the window is
+        active. Do not assume this means that the window actually has
+        keyboard or pointer focus.
       </entry>
     </enum>
 
-    <request name="request_change_state">
-      <description summary="client requests to change a surface's state">
-        This asks the compositor to change the state. If the compositor wants
-        to change the state, it will send a change_state event with the same
-        state_type, value, and serial, and the event flow continues as if it
-        it was initiated by the compositor.
+    <event name="configure">
+      <description summary="suggest a surface chnage">
+	The configure event asks the client to resize its surface.
 
-        If the compositor does not want to change the state, it will send a
-        change_state to the client with the old value of the state.
-      </description>
-      <arg name="state_type" type="uint" summary="the state to set"/>
-      <arg name="value" type="uint" summary="the value to change the state to"/>
-      <arg name="serial" type="uint" summary="an event serial">
-        This serial is so the client can know which change_state event corresponds
-        to which request_change_state request it sent out.
-      </arg>
-    </request>
+	The width and height arguments specify a hint to the window
+        about how its surface should be resized in surface local
+        coordinates. The states listed in the event specify how the
+        width/height arguments should be interpreted.
 
-    <event name="change_state">
-      <description summary="compositor wants to change a surface's state">
-        This event tells the client to change a surface's state. The client
-        should respond with an ack_change_state request to the compositor to
-        guarantee that the compositor knows that the client has seen it.
+        A client should arrange a new surface, and then send a
+        ack_configure request with the serial sent in this configure
+        event before attaching a new surface.
+
+	If the client receives multiple configure events before it
+        can respond to one, it is free to discard all but the last
+        event it received.
       </description>
 
-      <arg name="state_type" type="uint" summary="the state to set"/>
-      <arg name="value" type="uint" summary="the value to change the state to"/>
-      <arg name="serial" type="uint" summary="a serial for the compositor's own tracking"/>
+      <arg name="width" type="int"/>
+      <arg name="height" type="int"/>
+      <arg name="states" type="array"/>
+      <arg name="serial" type="uint"/>
     </event>
 
-    <request name="ack_change_state">
-      <description summary="ack a change_state event">
-        When a change_state event is received, a client should then ack it
-        using the ack_change_state request to ensure that the compositor
+    <request name="ack_configure">
+      <description summary="ack a configure event">
+        When a configure event is received, a client should then ack it
+        using the ack_configure request to ensure that the compositor
         knows the client has seen the event.
 
         By this point, the state is confirmed, and the next attach should
-        contain the buffer drawn for the new state value.
-
-        The values here need to be the same as the values in the cooresponding
-        change_state event.
+        contain the buffer drawn for the configure event you are acking.
       </description>
-      <arg name="state_type" type="uint" summary="the state to set"/>
-      <arg name="value" type="uint" summary="the value to change the state to"/>
-      <arg name="serial" type="uint" summary="a serial to pass to change_state"/>
+      <arg name="serial" type="uint" summary="a serial to configure for"/>
     </request>
 
-    <request name="set_minimized">
-      <description summary="minimize the surface">
-        Minimize the surface.
-      </description>
-    </request>
+    <request name="set_maximized" />
+    <request name="unset_maximized" />
 
-    <event name="activated">
-      <description summary="surface was activated">
-	The activated_set event is sent when this surface has been
-	activated, which means that the surface has user attention.
-        Window decorations should be updated accordingly. You should
-        not use this event for anything but the style of decorations
-        you display, use wl_keyboard.enter and wl_keyboard.leave for
-        determining keyboard focus.
-      </description>
-    </event>
+    <request name="set_fullscreen">
+      <description summary="set the window as fullscreen on a monitor">
+	Make the surface fullscreen.
 
-    <event name="deactivated">
-      <description summary="surface was deactivated">
-	The deactivate event is sent when this surface has been
-        deactivated, which means that the surface lost user attention.
-        Window decorations should be updated accordingly. You should
-        not use this event for anything but the style of decorations
-        you display, use wl_keyboard.enter and wl_keyboard.leave for
-        determining keyboard focus.
+        You can specify an output that you would prefer to be fullscreen.
+	If this value is NULL, it's up to the compositor to choose which
+        display will be used to map this surface.
       </description>
-    </event>
+      <arg name="output" type="object" interface="wl_output" allow-null="true"/>
+    </request>
+    <request name="unset_fullscreen" />
+
+    <request name="set_minimized" />
 
     <event name="close">
       <description summary="surface wants to be closed">