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[gtk+] shortcuts: Complete the container implementations

commit a661ce4d067f70245ed56049e4ef1be306f8387b
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Nov 20 22:58:06 2015 -0500

    shortcuts: Complete the container implementations
    
    Various problems with the container implementations in
    GtkShortcutsWindow, Section and Group were showing up
    in glade.

 gtk/gtkcontainer.c        |    2 +
 gtk/gtkshortcutsgroup.c   |   33 ++++++++++++++
 gtk/gtkshortcutssection.c |  103 +++++++++++++++++++++++++++++++++++++--------
 gtk/gtkshortcutswindow.c  |   36 +++++++++++++---
 4 files changed, 149 insertions(+), 25 deletions(-)
---
diff --git a/gtk/gtkcontainer.c b/gtk/gtkcontainer.c
index 48d1644..3122bd6 100644
--- a/gtk/gtkcontainer.c
+++ b/gtk/gtkcontainer.c
@@ -1896,6 +1896,8 @@ gtk_container_remove (GtkContainer *container,
                     GTK_IS_ASSISTANT (container) ||
                     GTK_IS_ACTION_BAR (container) ||
                     GTK_IS_POPOVER_MENU (container) ||
+                    GTK_IS_SHORTCUTS_GROUP (container) ||
+                    GTK_IS_SHORTCUTS_SECTION (container) ||
                     GTK_IS_SHORTCUTS_WINDOW (container));
 
   g_object_ref (container);
diff --git a/gtk/gtkshortcutsgroup.c b/gtk/gtkshortcutsgroup.c
index a90b30f..2f6cc10 100644
--- a/gtk/gtkshortcutsgroup.c
+++ b/gtk/gtkshortcutsgroup.c
@@ -141,6 +141,38 @@ gtk_shortcuts_group_add (GtkContainer *container,
                G_OBJECT_TYPE_NAME (container));
 }
 
+typedef struct {
+  GtkCallback callback;
+  gpointer data;
+  gboolean include_internal;
+} CallbackData;
+
+static void
+forall_cb (GtkWidget *widget, gpointer data)
+{
+  GtkShortcutsGroup *self;
+  CallbackData *cbdata = data;
+
+  self = GTK_SHORTCUTS_GROUP (gtk_widget_get_parent (widget));
+  if (cbdata->include_internal || widget != (GtkWidget*)self->title)
+    cbdata->callback (widget, cbdata->data);
+}
+
+static void
+gtk_shortcuts_group_forall (GtkContainer *container,
+                            gboolean      include_internal,
+                            GtkCallback   callback,
+                            gpointer      callback_data)
+{
+  CallbackData cbdata;
+
+  cbdata.include_internal = include_internal;
+  cbdata.callback = callback;
+  cbdata.data = callback_data;
+
+  GTK_CONTAINER_CLASS (gtk_shortcuts_group_parent_class)->forall (container, include_internal, forall_cb, 
&cbdata);
+}
+
 static void
 gtk_shortcuts_group_get_property (GObject    *object,
                                   guint       prop_id,
@@ -231,6 +263,7 @@ gtk_shortcuts_group_class_init (GtkShortcutsGroupClass *klass)
 
   widget_class->direction_changed = gtk_shortcuts_group_direction_changed;
   container_class->add = gtk_shortcuts_group_add;
+  container_class->forall = gtk_shortcuts_group_forall;
 
   /**
    * GtkShortcutsGroup:title:
diff --git a/gtk/gtkshortcutssection.c b/gtk/gtkshortcutssection.c
index eb32ccb..3bdf096 100644
--- a/gtk/gtkshortcutssection.c
+++ b/gtk/gtkshortcutssection.c
@@ -33,6 +33,7 @@
 #include "gtkprivate.h"
 #include "gtkmarshalers.h"
 #include "gtkgesturepan.h"
+#include "gtkwidgetprivate.h"
 #include "gtkintl.h"
 
 /**
@@ -64,6 +65,8 @@ struct _GtkShortcutsSection
   GtkStack         *stack;
   GtkStackSwitcher *switcher;
   GtkWidget        *show_all;
+  GtkWidget        *footer;
+  GList            *groups;
 
   gboolean          has_filtered_group;
   gboolean          need_reflow;
@@ -120,6 +123,67 @@ static void gtk_shortcuts_section_pan_gesture_pan (GtkGesturePan       *gesture,
                                                    GtkShortcutsSection *self);
 
 static void
+gtk_shortcuts_section_add (GtkContainer *container,
+                           GtkWidget    *child)
+{
+  GtkShortcutsSection *self = GTK_SHORTCUTS_SECTION (container);
+
+  if (GTK_IS_SHORTCUTS_GROUP (child))
+    gtk_shortcuts_section_add_group (self, GTK_SHORTCUTS_GROUP (child));
+  else
+    g_warning ("Can't add children of type %s to %s",
+               G_OBJECT_TYPE_NAME (child),
+               G_OBJECT_TYPE_NAME (container));
+}
+
+static void
+gtk_shortcuts_section_remove (GtkContainer *container,
+                              GtkWidget    *child)
+{
+  GtkShortcutsSection *self = (GtkShortcutsSection *)container;
+
+  if (GTK_IS_SHORTCUTS_GROUP (child) &&
+      gtk_widget_is_ancestor (child, GTK_WIDGET (container)))
+    {
+      self->groups = g_list_remove (self->groups, child);
+      gtk_container_remove (GTK_CONTAINER (gtk_widget_get_parent (child)), child);
+    }
+  else
+    GTK_CONTAINER_CLASS (gtk_shortcuts_section_parent_class)->remove (container, child);
+}
+
+static void
+gtk_shortcuts_section_forall (GtkContainer *container,
+                              gboolean      include_internal,
+                              GtkCallback   callback,
+                              gpointer      callback_data)
+{
+  GtkShortcutsSection *self = (GtkShortcutsSection *)container;
+  GList *l;
+
+  if (include_internal)
+    {
+      callback (GTK_WIDGET (self->stack), callback_data);
+      callback (GTK_WIDGET (self->footer), callback_data);
+    }
+
+  for (l = self->groups; l; l = l->next)
+    {
+      GtkWidget *group = l->data;
+      callback (group, callback_data);
+    }
+}
+
+static void
+map_child (GtkWidget *child)
+{
+  if (_gtk_widget_get_visible (child) &&
+      _gtk_widget_get_child_visible (child) &&
+      !_gtk_widget_get_mapped (child))
+    gtk_widget_map (child);
+}
+
+static void
 gtk_shortcuts_section_map (GtkWidget *widget)
 {
   GtkShortcutsSection *self = GTK_SHORTCUTS_SECTION (widget);
@@ -127,21 +191,21 @@ gtk_shortcuts_section_map (GtkWidget *widget)
   if (self->need_reflow)
     gtk_shortcuts_section_reflow_groups (self);
 
-  GTK_WIDGET_CLASS (gtk_shortcuts_section_parent_class)->map (widget);
+  gtk_widget_set_mapped (widget, TRUE);
+
+  map_child (GTK_WIDGET (self->stack));
+  map_child (GTK_WIDGET (self->footer));
 }
 
 static void
-gtk_shortcuts_section_add (GtkContainer *container,
-                           GtkWidget    *child)
+gtk_shortcuts_section_unmap (GtkWidget *widget)
 {
-  GtkShortcutsSection *self = GTK_SHORTCUTS_SECTION (container);
+  GtkShortcutsSection *self = GTK_SHORTCUTS_SECTION (widget);
 
-  if (GTK_IS_SHORTCUTS_GROUP (child))
-    gtk_shortcuts_section_add_group (self, GTK_SHORTCUTS_GROUP (child));
-  else
-    g_warning ("Can't add children of type %s to %s",
-               G_OBJECT_TYPE_NAME (child),
-               G_OBJECT_TYPE_NAME (container));
+  gtk_widget_set_mapped (widget, FALSE);
+
+  gtk_widget_unmap (GTK_WIDGET (self->footer));
+  gtk_widget_unmap (GTK_WIDGET (self->stack));
 }
 
 static void
@@ -239,8 +303,11 @@ gtk_shortcuts_section_class_init (GtkShortcutsSectionClass *klass)
   object_class->set_property = gtk_shortcuts_section_set_property;
 
   widget_class->map = gtk_shortcuts_section_map;
+  widget_class->unmap = gtk_shortcuts_section_unmap;
 
   container_class->add = gtk_shortcuts_section_add;
+  container_class->remove = gtk_shortcuts_section_remove;
+  container_class->forall = gtk_shortcuts_section_forall;
   container_class->child_type = gtk_shortcuts_section_child_type;
 
   klass->change_current_page = gtk_shortcuts_section_change_current_page;
@@ -331,8 +398,6 @@ gtk_shortcuts_section_class_init (GtkShortcutsSectionClass *klass)
 static void
 gtk_shortcuts_section_init (GtkShortcutsSection *self)
 {
-  GtkWidget *box;
-
   self->max_height = 15;
 
   gtk_orientable_set_orientation (GTK_ORIENTABLE (self), GTK_ORIENTATION_VERTICAL);
@@ -362,11 +427,11 @@ gtk_shortcuts_section_init (GtkShortcutsSection *self)
   g_signal_connect_swapped (self->show_all, "clicked",
                             G_CALLBACK (gtk_shortcuts_section_show_all), self);
 
-  box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 20);
-  GTK_CONTAINER_CLASS (gtk_shortcuts_section_parent_class)->add (GTK_CONTAINER (self), box);
+  self->footer = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 20);
+  GTK_CONTAINER_CLASS (gtk_shortcuts_section_parent_class)->add (GTK_CONTAINER (self), self->footer);
 
-  gtk_box_set_center_widget (GTK_BOX (box), GTK_WIDGET (self->switcher));
-  gtk_box_pack_end (GTK_BOX (box), self->show_all, TRUE, TRUE, 0);
+  gtk_box_set_center_widget (GTK_BOX (self->footer), GTK_WIDGET (self->switcher));
+  gtk_box_pack_end (GTK_BOX (self->footer), self->show_all, TRUE, TRUE, 0);
   gtk_widget_set_halign (self->show_all, GTK_ALIGN_END);
 
   self->pan_gesture = gtk_gesture_pan_new (GTK_WIDGET (self->stack), GTK_ORIENTATION_HORIZONTAL);
@@ -413,16 +478,17 @@ gtk_shortcuts_section_add_group (GtkShortcutsSection *self,
 
   children = gtk_container_get_children (GTK_CONTAINER (self->stack));
   if (children)
-    page = children->data;
+    page = g_list_last (children)->data;
   else
     {
       page = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 22);
       gtk_stack_add_named (self->stack, page, "1");
     }
   g_list_free (children);
+
   children = gtk_container_get_children (GTK_CONTAINER (page));
   if (children)
-    column = children->data;
+    column = g_list_last (children)->data;
   else
     {
       column = gtk_box_new (GTK_ORIENTATION_VERTICAL, 22);
@@ -431,6 +497,7 @@ gtk_shortcuts_section_add_group (GtkShortcutsSection *self,
   g_list_free (children);
 
   gtk_container_add (GTK_CONTAINER (column), GTK_WIDGET (group));
+  self->groups = g_list_append (self->groups, group);
 
   gtk_shortcuts_section_maybe_reflow (self);
 }
diff --git a/gtk/gtkshortcutswindow.c b/gtk/gtkshortcutswindow.c
index 606dbf2..2d3e5c3 100644
--- a/gtk/gtkshortcutswindow.c
+++ b/gtk/gtkshortcutswindow.c
@@ -386,8 +386,12 @@ gtk_shortcuts_window_forall (GtkContainer *container,
 
   if (include_internal)
     {
-      callback (GTK_WIDGET (priv->header_bar), callback_data);
-      callback (GTK_WIDGET (priv->main_box), callback_data);
+      if (priv->header_bar)
+        callback (GTK_WIDGET (priv->header_bar), callback_data);
+      if (priv->main_box)
+        callback (GTK_WIDGET (priv->main_box), callback_data);
+      if (priv->popover)
+        callback (GTK_WIDGET (priv->popover), callback_data);
     }
 
   if (priv->stack)
@@ -437,12 +441,13 @@ gtk_shortcuts_window_set_section_name (GtkShortcutsWindow *self,
                                        const gchar        *section_name)
 {
   GtkShortcutsWindowPrivate *priv = gtk_shortcuts_window_get_instance_private (self);
-  GtkWidget *section;
+  GtkWidget *section = NULL;
 
   g_free (priv->initial_section);
   priv->initial_section = g_strdup (section_name);
 
-  section = gtk_stack_get_child_by_name (priv->stack, section_name);
+  if (!section_name)
+    section = gtk_stack_get_child_by_name (priv->stack, section_name);
   if (section)
     gtk_stack_set_visible_child (priv->stack, section);
 }
@@ -595,6 +600,21 @@ gtk_shortcuts_window_finalize (GObject *object)
 }
 
 static void
+gtk_shortcuts_window_dispose (GObject *object)
+{
+  GtkShortcutsWindow *self = (GtkShortcutsWindow *)object;
+  GtkShortcutsWindowPrivate *priv = gtk_shortcuts_window_get_instance_private (self);
+
+  g_signal_handlers_disconnect_by_func (priv->stack, G_CALLBACK (update_title_stack), self);
+
+  priv->header_bar = NULL;
+  priv->popover = NULL;
+  priv->main_box = NULL;
+
+  G_OBJECT_CLASS (gtk_shortcuts_window_parent_class)->dispose (object);
+}
+
+static void
 gtk_shortcuts_window_get_property (GObject    *object,
                                   guint       prop_id,
                                   GValue     *value,
@@ -682,6 +702,7 @@ gtk_shortcuts_window_class_init (GtkShortcutsWindowClass *klass)
   object_class->finalize = gtk_shortcuts_window_finalize;
   object_class->get_property = gtk_shortcuts_window_get_property;
   object_class->set_property = gtk_shortcuts_window_set_property;
+  object_class->dispose = gtk_shortcuts_window_dispose;
 
   widget_class->unmap = gtk_shortcuts_window_unmap;
   container_class->add = gtk_shortcuts_window_add;
@@ -917,9 +938,6 @@ gtk_shortcuts_window_init (GtkShortcutsWindow *self)
                            self,
                            G_CONNECT_SWAPPED);
 
-  g_signal_connect_object (priv->stack, "notify::visible-child",
-                           G_CALLBACK (update_title_stack), self, G_CONNECT_SWAPPED);
-
   scroller = g_object_new (GTK_TYPE_SCROLLED_WINDOW,
                            "visible", TRUE,
                            NULL);
@@ -983,4 +1001,8 @@ gtk_shortcuts_window_init (GtkShortcutsWindow *self)
   gtk_grid_attach (GTK_GRID (empty), label, 0, 2, 1, 1);
 
   gtk_stack_add_named (priv->stack, empty, "no-search-results");
+
+  g_signal_connect_object (priv->stack, "notify::visible-child",
+                           G_CALLBACK (update_title_stack), self, G_CONNECT_SWAPPED);
+
 }
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