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[gtk+] displaymanager: Handle list of displays in base class

commit 7ef508ff4a40c11c8ef58e8f74ba7ad0e93888a3
Author: Benjamin Otte <otte redhat com>
Date:   Wed Apr 10 23:11:52 2013 +0200

    displaymanager: Handle list of displays in base class
    
    This moves the add/remove_display() functions from the subclasses to
    GdkDisplay and GdkDisplayManager. It also gets rid of the list_displays
    vfunc.

 gdk/broadway/gdkdisplay-broadway.c        |  5 ----
 gdk/broadway/gdkdisplaymanager-broadway.c | 40 -------------------------------
 gdk/broadway/gdkprivate-broadway.h        |  4 ----
 gdk/gdkdisplay.c                          |  5 ++++
 gdk/gdkdisplaymanager.c                   | 28 +++++++++++++++++++++-
 gdk/gdkdisplaymanagerprivate.h            |  8 ++++++-
 gdk/quartz/gdkdisplay-quartz.c            |  5 ----
 gdk/quartz/gdkdisplaymanager-quartz.c     | 40 -------------------------------
 gdk/quartz/gdkprivate-quartz.h            |  6 -----
 gdk/wayland/gdkdisplaymanager-wayland.c   |  7 ------
 gdk/win32/gdkdisplaymanager-win32.c       |  7 ------
 gdk/x11/gdkdisplay-x11.c                  |  5 ----
 gdk/x11/gdkdisplaymanager-x11.c           | 35 ---------------------------
 gdk/x11/gdkprivate-x11.h                  |  5 ----
 14 files changed, 39 insertions(+), 161 deletions(-)
---
diff --git a/gdk/broadway/gdkdisplay-broadway.c b/gdk/broadway/gdkdisplay-broadway.c
index ed24fe0..7534a9f 100644
--- a/gdk/broadway/gdkdisplay-broadway.c
+++ b/gdk/broadway/gdkdisplay-broadway.c
@@ -55,8 +55,6 @@ G_DEFINE_TYPE (GdkBroadwayDisplay, gdk_broadway_display, GDK_TYPE_DISPLAY)
 static void
 gdk_broadway_display_init (GdkBroadwayDisplay *display)
 {
-  _gdk_broadway_display_manager_add_display (gdk_display_manager_get (),
-                                            GDK_DISPLAY_OBJECT (display));
   display->id_ht = g_hash_table_new (NULL, NULL);
 }
 
@@ -239,9 +237,6 @@ gdk_broadway_display_dispose (GObject *object)
 {
   GdkBroadwayDisplay *broadway_display = GDK_BROADWAY_DISPLAY (object);
 
-  _gdk_broadway_display_manager_remove_display (gdk_display_manager_get (),
-                                               GDK_DISPLAY_OBJECT (object));
-
   g_list_foreach (broadway_display->input_devices, (GFunc) g_object_run_dispose, NULL);
 
   _gdk_screen_close (broadway_display->screens[0]);
diff --git a/gdk/broadway/gdkdisplaymanager-broadway.c b/gdk/broadway/gdkdisplaymanager-broadway.c
index 461a099..468d4fc 100644
--- a/gdk/broadway/gdkdisplaymanager-broadway.c
+++ b/gdk/broadway/gdkdisplaymanager-broadway.c
@@ -34,8 +34,6 @@ struct _GdkBroadwayDisplayManager
 {
   GdkDisplayManager parent;
 
-  GSList *displays;
-
   gboolean init_failed;
 };
 
@@ -90,14 +88,6 @@ gdk_broadway_display_manager_open_display (GdkDisplayManager *manager,
   return _gdk_broadway_display_open (name);
 }
 
-static GSList *
-gdk_broadway_display_manager_list_displays (GdkDisplayManager *manager)
-{
-  GdkBroadwayDisplayManager *manager_broadway = GDK_BROADWAY_DISPLAY_MANAGER (manager);
-
-  return g_slist_copy (manager_broadway->displays);
-}
-
 #include "../gdkkeynames.c"
 
 static gchar *
@@ -137,38 +127,8 @@ gdk_broadway_display_manager_class_init (GdkBroadwayDisplayManagerClass *class)
   object_class->finalize = gdk_broadway_display_manager_finalize;
 
   manager_class->open_display = gdk_broadway_display_manager_open_display;
-  manager_class->list_displays = gdk_broadway_display_manager_list_displays;
   manager_class->atom_intern = _gdk_broadway_display_manager_atom_intern;
   manager_class->get_atom_name = _gdk_broadway_display_manager_get_atom_name;
   manager_class->lookup_keyval = gdk_broadway_display_manager_lookup_keyval;
   manager_class->get_keyval_name = gdk_broadway_display_manager_get_keyval_name;
 }
-
-void
-_gdk_broadway_display_manager_add_display (GdkDisplayManager *manager,
-                                          GdkDisplay        *display)
-{
-  GdkBroadwayDisplayManager *manager_broadway = GDK_BROADWAY_DISPLAY_MANAGER (manager);
-
-  if (manager_broadway->displays == NULL)
-    gdk_display_manager_set_default_display (manager, display);
-
-  manager_broadway->displays = g_slist_prepend (manager_broadway->displays, display);
-}
-
-void
-_gdk_broadway_display_manager_remove_display (GdkDisplayManager *manager,
-                                             GdkDisplay        *display)
-{
-  GdkBroadwayDisplayManager *manager_broadway = GDK_BROADWAY_DISPLAY_MANAGER (manager);
-
-  manager_broadway->displays = g_slist_remove (manager_broadway->displays, display);
-
-  if (gdk_display_manager_get_default_display (manager) == display)
-    {
-      if (manager_broadway->displays)
-        gdk_display_manager_set_default_display (manager, manager_broadway->displays->data);
-      else
-        gdk_display_manager_set_default_display (manager, NULL);
-    }
-}
diff --git a/gdk/broadway/gdkprivate-broadway.h b/gdk/broadway/gdkprivate-broadway.h
index e611ca8..b631e04 100644
--- a/gdk/broadway/gdkprivate-broadway.h
+++ b/gdk/broadway/gdkprivate-broadway.h
@@ -44,10 +44,6 @@ void _gdk_broadway_windowing_init (void);
 
 gchar * _gdk_broadway_display_manager_get_atom_name (GdkDisplayManager *manager,
                                                     GdkAtom atom);
-void _gdk_broadway_display_manager_add_display (GdkDisplayManager *manager,
-                                               GdkDisplay        *display);
-void _gdk_broadway_display_manager_remove_display (GdkDisplayManager *manager,
-                                                  GdkDisplay        *display);
 GdkAtom _gdk_broadway_display_manager_atom_intern_static_string (GdkDisplayManager *manager,
                                                                 const gchar *atom_name);
 GdkAtom _gdk_broadway_display_manager_atom_intern (GdkDisplayManager *manager,
diff --git a/gdk/gdkdisplay.c b/gdk/gdkdisplay.c
index 32d9d3a..dbddfe8 100644
--- a/gdk/gdkdisplay.c
+++ b/gdk/gdkdisplay.c
@@ -25,6 +25,7 @@
 #include "gdkdisplayprivate.h"
 
 #include "gdkdeviceprivate.h"
+#include "gdkdisplaymanagerprivate.h"
 #include "gdkevents.h"
 #include "gdkwindowimpl.h"
 #include "gdkinternals.h"
@@ -206,6 +207,8 @@ gdk_display_init (GdkDisplay *display)
 
   g_signal_connect (display, "opened",
                     G_CALLBACK (gdk_display_opened), NULL);
+
+  _gdk_display_manager_add_display (gdk_display_manager_get (), display);
 }
 
 static void
@@ -216,6 +219,8 @@ gdk_display_dispose (GObject *object)
 
   device_manager = gdk_display_get_device_manager (GDK_DISPLAY (object));
 
+  _gdk_display_manager_remove_display (gdk_display_manager_get (), display);
+
   g_list_free_full (display->queued_events, (GDestroyNotify) gdk_event_free);
   display->queued_events = NULL;
   display->queued_tail = NULL;
diff --git a/gdk/gdkdisplaymanager.c b/gdk/gdkdisplaymanager.c
index de04582..0442ae0 100644
--- a/gdk/gdkdisplaymanager.c
+++ b/gdk/gdkdisplaymanager.c
@@ -502,7 +502,7 @@ gdk_display_manager_set_default_display (GdkDisplayManager *manager,
 GSList *
 gdk_display_manager_list_displays (GdkDisplayManager *manager)
 {
-  return GDK_DISPLAY_MANAGER_GET_CLASS (manager)->list_displays (manager);
+  return g_slist_copy (manager->displays);
 }
 
 /**
@@ -589,3 +589,29 @@ gdk_atom_name (GdkAtom atom)
 
   return GDK_DISPLAY_MANAGER_GET_CLASS (manager)->get_atom_name (manager, atom);
 }
+
+void
+_gdk_display_manager_add_display (GdkDisplayManager *manager,
+                                  GdkDisplay        *display)
+{
+  if (manager->displays == NULL)
+    gdk_display_manager_set_default_display (manager, display);
+
+  manager->displays = g_slist_prepend (manager->displays, display);
+}
+
+/* NB: This function can be called multiple times per display. */
+void
+_gdk_display_manager_remove_display (GdkDisplayManager *manager,
+                                     GdkDisplay        *display)
+{
+  manager->displays = g_slist_remove (manager->displays, display);
+
+  if (manager->default_display == display)
+    {
+      if (manager->displays)
+        gdk_display_manager_set_default_display (manager, manager->displays->data);
+      else
+        gdk_display_manager_set_default_display (manager, NULL);
+    }
+}
diff --git a/gdk/gdkdisplaymanagerprivate.h b/gdk/gdkdisplaymanagerprivate.h
index 6123f81..4794b7e 100644
--- a/gdk/gdkdisplaymanagerprivate.h
+++ b/gdk/gdkdisplaymanagerprivate.h
@@ -33,13 +33,14 @@ struct _GdkDisplayManager
   GObject parent_instance;
 
   GdkDisplay *default_display;
+
+  GSList *displays;
 };
 
 struct _GdkDisplayManagerClass
 {
   GObjectClass parent_class;
 
-  GSList *     (*list_displays)       (GdkDisplayManager *manager);
   GdkDisplay * (*open_display)        (GdkDisplayManager *manager,
                                        const gchar       *name);
 
@@ -66,6 +67,11 @@ struct _GdkDisplayManagerClass
 GdkDisplayManager *
 _gdk_display_manager_get_nocreate (void);
 
+void            _gdk_display_manager_add_display        (GdkDisplayManager      *manager,
+                                                         GdkDisplay             *display);
+void            _gdk_display_manager_remove_display     (GdkDisplayManager      *manager,
+                                                         GdkDisplay             *display);
+
 G_END_DECLS
 
 #endif
diff --git a/gdk/quartz/gdkdisplay-quartz.c b/gdk/quartz/gdkdisplay-quartz.c
index f78479f..1921e67 100644
--- a/gdk/quartz/gdkdisplay-quartz.c
+++ b/gdk/quartz/gdkdisplay-quartz.c
@@ -265,8 +265,6 @@ G_DEFINE_TYPE (GdkQuartzDisplay, gdk_quartz_display, GDK_TYPE_DISPLAY)
 static void
 gdk_quartz_display_init (GdkQuartzDisplay *display)
 {
-  _gdk_quartz_display_manager_add_display (gdk_display_manager_get (),
-                                           GDK_DISPLAY_OBJECT (display));
 }
 
 static void
@@ -274,9 +272,6 @@ gdk_quartz_display_dispose (GObject *object)
 {
   GdkQuartzDisplay *display_quartz = GDK_QUARTZ_DISPLAY (object);
 
-  _gdk_quartz_display_manager_remove_display (gdk_display_manager_get (),
-                                              GDK_DISPLAY_OBJECT (object));
-
   g_list_foreach (display_quartz->input_devices,
                   (GFunc) g_object_run_dispose, NULL);
 
diff --git a/gdk/quartz/gdkdisplaymanager-quartz.c b/gdk/quartz/gdkdisplaymanager-quartz.c
index e9fa2ff..bccaf24 100644
--- a/gdk/quartz/gdkdisplaymanager-quartz.c
+++ b/gdk/quartz/gdkdisplaymanager-quartz.c
@@ -35,8 +35,6 @@
 struct _GdkQuartzDisplayManager
 {
   GdkDisplayManager parent;
-
-  GSList *displays;
 };
 
 
@@ -49,14 +47,6 @@ gdk_quartz_display_manager_open_display (GdkDisplayManager *manager,
   return _gdk_quartz_display_open (name);
 }
 
-static GSList *
-gdk_quartz_display_manager_list_displays (GdkDisplayManager *manager)
-{
-  GdkQuartzDisplayManager *manager_quartz = GDK_QUARTZ_DISPLAY_MANAGER (manager);
-
-  return g_slist_copy (manager_quartz->displays);
-}
-
 #include "../gdkkeynames.c"
 
 static gchar *
@@ -106,38 +96,8 @@ gdk_quartz_display_manager_class_init (GdkQuartzDisplayManagerClass *class)
   object_class->finalize = gdk_quartz_display_manager_finalize;
 
   manager_class->open_display = gdk_quartz_display_manager_open_display;
-  manager_class->list_displays = gdk_quartz_display_manager_list_displays;
   manager_class->atom_intern = _gdk_quartz_display_manager_atom_intern;
   manager_class->get_atom_name = _gdk_quartz_display_manager_get_atom_name;
   manager_class->lookup_keyval = gdk_quartz_display_manager_lookup_keyval;
   manager_class->get_keyval_name = gdk_quartz_display_manager_get_keyval_name;
 }
-
-void
-_gdk_quartz_display_manager_add_display (GdkDisplayManager *manager,
-                                         GdkDisplay        *display)
-{
-  GdkQuartzDisplayManager *manager_quartz = GDK_QUARTZ_DISPLAY_MANAGER (manager);
-
-  if (manager_quartz->displays == NULL)
-    gdk_display_manager_set_default_display (manager, display);
-
-  manager_quartz->displays = g_slist_prepend (manager_quartz->displays, display);
-}
-
-void
-_gdk_quartz_display_manager_remove_display (GdkDisplayManager *manager,
-                                            GdkDisplay        *display)
-{
-  GdkQuartzDisplayManager *manager_quartz = GDK_QUARTZ_DISPLAY_MANAGER (manager);
-
-  manager_quartz->displays = g_slist_remove (manager_quartz->displays, display);
-
-  if (gdk_display_manager_get_default_display (manager) == display)
-    {
-      if (manager_quartz->displays)
-        gdk_display_manager_set_default_display (manager, manager_quartz->displays->data);
-      else
-        gdk_display_manager_set_default_display (manager, NULL);
-    }
-}
diff --git a/gdk/quartz/gdkprivate-quartz.h b/gdk/quartz/gdkprivate-quartz.h
index dcac502..eed09b9 100644
--- a/gdk/quartz/gdkprivate-quartz.h
+++ b/gdk/quartz/gdkprivate-quartz.h
@@ -155,12 +155,6 @@ gchar *     _gdk_quartz_display_utf8_to_string_target      (GdkDisplay     *disp
                                                             const gchar    *str);
 
 
-/* Display manager */
-void    _gdk_quartz_display_manager_add_display    (GdkDisplayManager *manager,
-                                                    GdkDisplay        *display);
-void    _gdk_quartz_display_manager_remove_display (GdkDisplayManager *manager,
-                                                    GdkDisplay        *display);
-
 /* Display manager methods - events */
 GdkAtom _gdk_quartz_display_manager_atom_intern   (GdkDisplayManager *manager,
                                                    const gchar       *atom_name,
diff --git a/gdk/wayland/gdkdisplaymanager-wayland.c b/gdk/wayland/gdkdisplaymanager-wayland.c
index 43a9960..17160fb 100644
--- a/gdk/wayland/gdkdisplaymanager-wayland.c
+++ b/gdk/wayland/gdkdisplaymanager-wayland.c
@@ -100,12 +100,6 @@ gdk_wayland_display_manager_open_display (GdkDisplayManager *manager,
   return _gdk_wayland_display_open (name);
 }
 
-static GSList *
-gdk_wayland_display_manager_list_displays (GdkDisplayManager *manager)
-{
-  return g_slist_copy (GDK_WAYLAND_DISPLAY_MANAGER (manager)->displays);
-}
-
 static GdkAtom
 gdk_wayland_display_manager_atom_intern (GdkDisplayManager *manager_in,
                                         const gchar       *atom_name,
@@ -197,7 +191,6 @@ gdk_wayland_display_manager_class_init (GdkWaylandDisplayManagerClass *class)
   object_class->finalize = gdk_wayland_display_manager_finalize;
 
   manager_class->open_display = gdk_wayland_display_manager_open_display;
-  manager_class->list_displays = gdk_wayland_display_manager_list_displays;
   manager_class->atom_intern = gdk_wayland_display_manager_atom_intern;
   manager_class->get_atom_name = gdk_wayland_display_manager_get_atom_name;
   manager_class->lookup_keyval = gdk_wayland_display_manager_lookup_keyval;
diff --git a/gdk/win32/gdkdisplaymanager-win32.c b/gdk/win32/gdkdisplaymanager-win32.c
index 1d8c8ee..a968f8e 100644
--- a/gdk/win32/gdkdisplaymanager-win32.c
+++ b/gdk/win32/gdkdisplaymanager-win32.c
@@ -45,12 +45,6 @@ gdk_win32_display_manager_open_display (GdkDisplayManager *manager,
   return _gdk_win32_display_open (name);
 }
 
-static GSList *
-gdk_win32_display_manager_list_displays (GdkDisplayManager *manager)
-{
-  return g_slist_append (NULL, gdk_display_get_default ());
-}
-
 #include "../gdkkeynames.c"
 
 static gchar *
@@ -96,7 +90,6 @@ gdk_win32_display_manager_class_init (GdkWin32DisplayManagerClass *class)
   object_class->finalize = gdk_win32_display_manager_finalize;
 
   manager_class->open_display = gdk_win32_display_manager_open_display;
-  manager_class->list_displays = gdk_win32_display_manager_list_displays;
   manager_class->atom_intern = _gdk_win32_display_manager_atom_intern;
   manager_class->get_atom_name = _gdk_win32_display_manager_get_atom_name;
   manager_class->lookup_keyval = gdk_win32_display_manager_lookup_keyval;
diff --git a/gdk/x11/gdkdisplay-x11.c b/gdk/x11/gdkdisplay-x11.c
index fc4c979..9ca1bd7 100644
--- a/gdk/x11/gdkdisplay-x11.c
+++ b/gdk/x11/gdkdisplay-x11.c
@@ -176,8 +176,6 @@ G_DEFINE_TYPE_WITH_CODE (GdkX11Display, gdk_x11_display, GDK_TYPE_DISPLAY,
 static void
 gdk_x11_display_init (GdkX11Display *display)
 {
-  _gdk_x11_display_manager_add_display (gdk_display_manager_get (),
-                                        GDK_DISPLAY (display));
 }
 
 static void
@@ -1836,11 +1834,8 @@ gdk_x11_display_ungrab (GdkDisplay *display)
 static void
 gdk_x11_display_dispose (GObject *object)
 {
-  GdkDisplay *display = GDK_DISPLAY (object);
   GdkX11Display *display_x11 = GDK_X11_DISPLAY (object);
 
-  _gdk_x11_display_manager_remove_display (gdk_display_manager_get (), display);
-
   g_list_foreach (display_x11->input_devices, (GFunc) g_object_run_dispose, NULL);
 
   _gdk_screen_close (display_x11->screen);
diff --git a/gdk/x11/gdkdisplaymanager-x11.c b/gdk/x11/gdkdisplaymanager-x11.c
index 61c04df..afe5e94 100644
--- a/gdk/x11/gdkdisplaymanager-x11.c
+++ b/gdk/x11/gdkdisplaymanager-x11.c
@@ -32,8 +32,6 @@ struct _GdkX11DisplayManager
 {
   GdkDisplayManager parent;
 
-  GSList *displays;
-
   gboolean init_failed;
 };
 
@@ -92,12 +90,6 @@ gdk_x11_display_manager_open_display (GdkDisplayManager *manager,
   return display;
 }
 
-static GSList *
-gdk_x11_display_manager_list_displays (GdkDisplayManager *manager)
-{
-  return g_slist_copy (GDK_X11_DISPLAY_MANAGER (manager)->displays);
-}
-
 static void
 gdk_x11_display_manager_init (GdkX11DisplayManager *manager)
 {
@@ -121,36 +113,9 @@ gdk_x11_display_manager_class_init (GdkX11DisplayManagerClass *class)
   object_class->finalize = gdk_x11_display_manager_finalize;
 
   manager_class->open_display = gdk_x11_display_manager_open_display;
-  manager_class->list_displays = gdk_x11_display_manager_list_displays;
   manager_class->atom_intern = _gdk_x11_display_manager_atom_intern;
   manager_class->get_atom_name = _gdk_x11_display_manager_get_atom_name;
   manager_class->lookup_keyval = _gdk_x11_display_manager_lookup_keyval;
   manager_class->get_keyval_name = _gdk_x11_display_manager_get_keyval_name;
   manager_class->keyval_convert_case = _gdk_x11_display_manager_keyval_convert_case;
 }
-
-void
-_gdk_x11_display_manager_add_display (GdkDisplayManager *manager,
-                                      GdkDisplay        *display)
-{
-  GdkX11DisplayManager *manager_x11 = GDK_X11_DISPLAY_MANAGER (manager);
-
-  manager_x11->displays = g_slist_prepend (manager_x11->displays, display);
-}
-
-void
-_gdk_x11_display_manager_remove_display (GdkDisplayManager *manager,
-                                         GdkDisplay        *display)
-{
-  GdkX11DisplayManager *manager_x11 = GDK_X11_DISPLAY_MANAGER (manager);
-
-  manager_x11->displays = g_slist_remove (manager_x11->displays, display);
-
-  if (gdk_display_manager_get_default_display (manager) == display)
-    {
-      if (manager_x11->displays)
-        gdk_display_manager_set_default_display (manager, manager_x11->displays->data);
-      else
-        gdk_display_manager_set_default_display (manager, NULL);
-    }
-}
diff --git a/gdk/x11/gdkprivate-x11.h b/gdk/x11/gdkprivate-x11.h
index 6f7754a..cbeb303 100644
--- a/gdk/x11/gdkprivate-x11.h
+++ b/gdk/x11/gdkprivate-x11.h
@@ -247,11 +247,6 @@ void     _gdk_device_xi2_reset_scroll_valuators   (GdkX11DeviceXI2    *device);
 
 void     _gdk_x11_event_translate_keyboard_string (GdkEventKey *event);
 
-void _gdk_x11_display_manager_add_display      (GdkDisplayManager *manager,
-                                                GdkDisplay        *display);
-void _gdk_x11_display_manager_remove_display   (GdkDisplayManager *manager,
-                                                GdkDisplay        *display);
-
 GdkAtom _gdk_x11_display_manager_atom_intern   (GdkDisplayManager *manager,
                                                 const gchar       *atom_name,
                                                 gboolean           copy_name);
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