[gtk/wip/matthiasc/shortcut-4: 88/147] shortcutmanager: Use list models

[Matthias Clasen <matthiasc src gnome org>]

commit e4b194419b1bc66bbc8774718b45bb3ceb6233e3
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Mar 25 17:28:34 2020 -0400

    shortcutmanager: Use list models

 gtk/gtkshortcutmanager.c        | 92 +++++++++++++++++++++++++++++++++++------
 gtk/gtkshortcutmanagerprivate.h | 12 ++++++
 gtk/gtkwidget.c                 | 12 +-----
 3 files changed, 93 insertions(+), 23 deletions(-)
---
diff --git a/gtk/gtkshortcutmanager.c b/gtk/gtkshortcutmanager.c
index 6853db9ce5..71a1b35eb1 100644
--- a/gtk/gtkshortcutmanager.c
+++ b/gtk/gtkshortcutmanager.c
@@ -20,6 +20,8 @@
 #include "config.h"
 
 #include "gtkshortcutmanager.h"
+#include "gtkshortcutmanagerprivate.h"
+#include "gtkflattenlistmodel.h"
 
 /**
  * SECTION:gtkshortcutmanager
@@ -29,36 +31,100 @@
  * The GtkShortcutManager interface is used to implement
  * shortcut scopes.
  */
+
 G_DEFINE_INTERFACE (GtkShortcutManager, gtk_shortcut_manager, G_TYPE_OBJECT)
 
-static void
-complain_if_reached (gpointer should_be_gone)
+void
+gtk_shortcut_manager_create_controllers (GtkWidget *widget)
+{
+  GListStore *store;
+  GtkFlattenListModel *model;
+  GtkEventController *controller;
+
+  store = g_list_store_new (GTK_TYPE_SHORTCUT_CONTROLLER);
+  model = gtk_flatten_list_model_new (GTK_TYPE_SHORTCUT, G_LIST_MODEL (store));
+  g_object_unref (store);
+  g_object_set_data_full (G_OBJECT (widget), "gtk-shortcut-manager-bubble", model, g_object_unref);
+  controller = gtk_shortcut_controller_new_for_model (G_LIST_MODEL (model));
+  gtk_event_controller_set_name (controller, "gtk-shortcut-manager-bubble");
+  gtk_widget_add_controller (widget, controller);
+
+  store = g_list_store_new (GTK_TYPE_SHORTCUT_CONTROLLER);
+  model = gtk_flatten_list_model_new (GTK_TYPE_SHORTCUT, G_LIST_MODEL (store));
+  g_object_unref (store);
+  g_object_set_data_full (G_OBJECT (widget), "gtk-shortcut-manager-capture", model, g_object_unref);
+  controller = gtk_shortcut_controller_new_for_model (G_LIST_MODEL (model));
+  gtk_event_controller_set_name (controller, "gtk-shortcut-manager-capture");
+  gtk_event_controller_set_propagation_phase (controller, GTK_PHASE_CAPTURE);
+  gtk_widget_add_controller (widget, controller);
+}
+
+static GtkFlattenListModel *
+gtk_shortcut_manager_get_model (GtkShortcutManager  *self,
+                                GtkPropagationPhase  phase)
 {
-  g_critical ("Shortcut controllers failed to clean up.");
+  switch (phase)
+    {
+    case GTK_PHASE_CAPTURE:
+      return g_object_get_data (G_OBJECT (self), "gtk-shortcut-manager-capture");
+    case GTK_PHASE_BUBBLE:
+      return g_object_get_data (G_OBJECT (self), "gtk-shortcut-manager-bubble");
+    case GTK_PHASE_NONE:
+    case GTK_PHASE_TARGET:
+      return NULL;
+    default:
+      g_assert_not_reached ();
+      return NULL;
+    }
 }
 
 static void
 gtk_shortcut_manager_default_add_controller (GtkShortcutManager    *self,
                                              GtkShortcutController *controller)
 {
-  GSList *controllers;
+  GtkFlattenListModel *model;
+  GtkPropagationPhase phase;
 
-  controllers = g_object_steal_data (G_OBJECT (self), "gtk-shortcut-controllers");
-  controllers = g_slist_prepend (controllers, g_object_ref (controller));
-  g_object_set_data_full (G_OBJECT (self), "gtk-shortcut-controllers", controllers, complain_if_reached);
+  phase = gtk_event_controller_get_propagation_phase (GTK_EVENT_CONTROLLER (controller));
+  model = gtk_shortcut_manager_get_model (self, phase);
+  if (model)
+    {
+      GListModel *store = gtk_flatten_list_model_get_model (model); 
+      g_list_store_append (G_LIST_STORE (store), controller);
+    }
 }
 
 static void
 gtk_shortcut_manager_default_remove_controller (GtkShortcutManager    *self,
                                                 GtkShortcutController *controller)
 {
-  GSList *controllers;
+  GtkFlattenListModel *model;
+  GtkPropagationPhase phase;
+
+  phase = gtk_event_controller_get_propagation_phase (GTK_EVENT_CONTROLLER (controller));
+  model = gtk_shortcut_manager_get_model (self, phase);
+  if (model)
+    {
+      GListModel *store;
+      guint position;
 
-  controllers = g_object_steal_data (G_OBJECT (self), "gtk-shortcut-controllers");
-  controllers = g_slist_remove (controllers, controller);
-  if (controllers)
-    g_object_set_data_full (G_OBJECT (self), "gtk-shortcut-controllers", controllers, complain_if_reached);
-  g_object_unref (controller);
+      store = gtk_flatten_list_model_get_model (model); 
+#if 0 && GLIB_CHECK_VERSION(2,64,0)
+      if (_g_list_store_find (G_LIST_STORE (store), controller, &position))
+        g_list_store_remove (G_LIST_STORE (store), position);
+#else
+      for (position = 0; position < g_list_model_get_n_items (G_LIST_MODEL (store)); position++)
+        {
+          GtkShortcutController *item = g_list_model_get_item (G_LIST_MODEL (store), position);
+          g_object_unref (item);
+          if (item == controller)
+            {
+              g_list_store_remove (G_LIST_STORE (store), position);
+              break;
+            }
+        }
+#endif
+    }
 }
 
 static void
diff --git a/gtk/gtkshortcutmanagerprivate.h b/gtk/gtkshortcutmanagerprivate.h
new file mode 100644
index 0000000000..72424dba23
--- /dev/null
+++ b/gtk/gtkshortcutmanagerprivate.h
@@ -0,0 +1,12 @@
+#ifndef __GTK_SHORTCUT_MANAGER_PRIVATE_H__
+#define __GTK_SHORTCUT_MANAGER__PRIVATE_H__
+
+#include "gtkshortcutmanager.h"
+
+G_BEGIN_DECLS
+
+void gtk_shortcut_manager_create_controllers (GtkWidget *widget);
+
+G_END_DECLS
+
+#endif /* __GTK_SHORTCUT_MANAGER_PRIVATE_H__ */
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index 17b34e5459..7d4d251ad5 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -60,6 +60,7 @@
 #include "gtkshortcut.h"
 #include "gtkshortcutcontrollerprivate.h"
 #include "gtkshortcutmanager.h"
+#include "gtkshortcutmanagerprivate.h"
 #include "gtkshortcuttrigger.h"
 #include "gtksizegroup-private.h"
 #include "gtksnapshotprivate.h"
@@ -2444,16 +2445,7 @@ gtk_widget_init (GTypeInstance *instance, gpointer g_class)
     priv->root = (GtkRoot *) widget;
 
   if (g_type_is_a (G_TYPE_FROM_CLASS (g_class), GTK_TYPE_SHORTCUT_MANAGER))
-    {
-      controller = gtk_shortcut_controller_new ();
-      gtk_shortcut_controller_set_run_managed (GTK_SHORTCUT_CONTROLLER (controller), TRUE);
-      gtk_widget_add_controller (widget, controller);
-
-      controller = gtk_shortcut_controller_new ();
-      gtk_event_controller_set_propagation_phase (controller, GTK_PHASE_CAPTURE);
-      gtk_shortcut_controller_set_run_managed (GTK_SHORTCUT_CONTROLLER (controller), TRUE);
-      gtk_widget_add_controller (widget, controller);
-    }
+    gtk_shortcut_manager_create_controllers (widget);
 
   layout_manager_type = gtk_widget_class_get_layout_manager_type (g_class);
   if (layout_manager_type != G_TYPE_INVALID)