The widget-tree was not safe against object just going away.
Fix this by using row references instead of iters where
necessary, and by using weak refs to clean up when objects
die.
struct _GtkInspectorClassesListPrivate
{
- GtkWidget *toolbar;
- GtkWidget *view;
- GtkTreeViewColumn *column;
- GtkCellRenderer *name_renderer;
GtkListStore *model;
- GHashTable *contexts;
- GtkStyleContext *current_context;
+ GtkStyleContext *context;
};
G_DEFINE_TYPE_WITH_PRIVATE (GtkInspectorClassesList, gtk_inspector_classes_list, GTK_TYPE_BOX)
+static void
+set_hash_context (GtkInspectorClassesList *cl, GHashTable *hash_context)
+{
+ g_object_set_data_full (G_OBJECT (cl->priv->context),
+ "gtk-inspector-hash-context",
+ hash_context, (GDestroyNotify)g_hash_table_unref);
+}
+
+static GHashTable *
+get_hash_context (GtkInspectorClassesList *cl)
+{
+ return (GHashTable *)g_object_get_data (G_OBJECT (cl->priv->context),
+ "gtk-inspector-hash-context");
+}
+
static void
enabled_toggled (GtkCellRendererToggle *renderer,
const gchar *path,
COLUMN_ENABLED, enabled,
-1);
- context = g_hash_table_lookup (cl->priv->contexts, cl->priv->current_context);
+ context = get_hash_context (cl);
if (context)
{
c = g_hash_table_lookup (context, name);
{
c->enabled = enabled;
if (enabled)
- gtk_style_context_add_class (cl->priv->current_context, name);
+ gtk_style_context_add_class (cl->priv->context, name);
else
- gtk_style_context_remove_class (cl->priv->current_context, name);
+ gtk_style_context_remove_class (cl->priv->context, name);
}
else
g_warning ("GtkInspector: Couldn't find the css class %s in the class hash table.", name);
if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_OK)
{
- const gchar *name = gtk_entry_get_text (GTK_ENTRY (entry));
- GHashTable *context = g_hash_table_lookup (cl->priv->contexts, cl->priv->current_context);
+ const gchar *name;
+ GHashTable *context;
+ context = get_hash_context (cl);
+ name = gtk_entry_get_text (GTK_ENTRY (entry));
if (*name && !g_hash_table_contains (context, name))
{
GtkTreeIter tree_iter;
- gtk_style_context_add_class (cl->priv->current_context, name);
+ gtk_style_context_add_class (cl->priv->context, name);
GtkInspectorClassesListByContext *c = g_new0 (GtkInspectorClassesListByContext, 1);
c->enabled = TRUE;
GHashTable *hash_context;
hash_context = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
- classes = gtk_style_context_list_classes (cl->priv->current_context);
+ classes = gtk_style_context_list_classes (cl->priv->context);
for (l = classes; l; l = l->next)
{
-1);
}
g_list_free (classes);
- g_hash_table_replace (cl->priv->contexts, cl->priv->current_context, hash_context);
+ set_hash_context (cl, hash_context);
}
static void
GHashTableIter hash_iter;
gchar *name;
GtkInspectorClassesListByContext *c;
- GHashTable *hash_context = g_hash_table_lookup (cl->priv->contexts, cl->priv->current_context);
+ GHashTable *hash_context;
+ hash_context = get_hash_context (cl);
g_hash_table_iter_init (&hash_iter, hash_context);
while (g_hash_table_iter_next (&hash_iter, (gpointer *)&name, (gpointer *)&c))
{
if (c->style == PANGO_STYLE_ITALIC)
- gtk_style_context_remove_class (cl->priv->current_context, name);
+ gtk_style_context_remove_class (cl->priv->context, name);
else if (!c->enabled)
- gtk_style_context_add_class (cl->priv->current_context, name);
+ gtk_style_context_add_class (cl->priv->context, name);
}
gtk_list_store_clear (cl->priv->model);
{
cl->priv = gtk_inspector_classes_list_get_instance_private (cl);
gtk_widget_init_template (GTK_WIDGET (cl));
- cl->priv->contexts = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, (GDestroyNotify)g_hash_table_destroy);
+}
+
+static void remove_dead_object (gpointer data, GObject *dead_object);
+
+static void
+cleanup_context (GtkInspectorClassesList *cl)
+{
+ if (cl->priv->context)
+ g_object_weak_unref (G_OBJECT (cl->priv->context), remove_dead_object, cl);
+
+ gtk_list_store_clear (cl->priv->model);
+ cl->priv->context = NULL;
+ gtk_widget_set_sensitive (GTK_WIDGET (cl), FALSE);
+}
+
+static void
+remove_dead_object (gpointer data, GObject *dead_object)
+{
+ GtkInspectorClassesList *cl = data;
+
+ cl->priv->context = NULL;
+ cleanup_context (cl);
}
void
gtk_inspector_classes_list_set_widget (GtkInspectorClassesList *cl,
GtkWidget *widget)
{
- GtkStyleContext *widget_context;
GHashTable *hash_context;
GtkTreeIter tree_iter;
GtkInspectorClassesListByContext *c;
- gtk_list_store_clear (cl->priv->model);
+ cleanup_context (cl);
gtk_widget_set_sensitive (GTK_WIDGET (cl), TRUE);
- widget_context = gtk_widget_get_style_context (widget);
- cl->priv->current_context = widget_context;
- gtk_widget_set_sensitive (cl->priv->toolbar, TRUE);
+ cl->priv->context = gtk_widget_get_style_context (widget);
- hash_context = g_hash_table_lookup (cl->priv->contexts, widget_context);
+ g_object_weak_ref (G_OBJECT (cl->priv->context), remove_dead_object, cl);
+
+ hash_context = get_hash_context (cl);
if (hash_context)
{
GHashTableIter hash_iter;
}
}
else
- {
- read_classes_from_style_context (cl);
- }
+ read_classes_from_style_context (cl);
}
static void
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
gtk_widget_class_set_template_from_resource (widget_class, "/org/gtk/inspector/classes-list.ui");
- gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorClassesList, toolbar);
- gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorClassesList, view);
gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorClassesList, model);
- gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorClassesList, column);
- gtk_widget_class_bind_template_child_private (widget_class, GtkInspectorClassesList, name_renderer);
gtk_widget_class_bind_template_callback (widget_class, add_clicked);
gtk_widget_class_bind_template_callback (widget_class, restore_defaults_clicked);
gtk_widget_class_bind_template_callback (widget_class, enabled_toggled);
<template class="GtkInspectorClassesList" parent="GtkBox">
<property name="orientation">vertical</property>
<child>
- <object class="GtkToolbar" id="toolbar">
+ <object class="GtkToolbar">
<property name="visible">True</property>
<property name="icon-size">small-toolbar</property>
<property name="sensitive">False</property>
<property name="visible">True</property>
<property name="expand">True</property>
<child>
- <object class="GtkTreeView" id="view">
+ <object class="GtkTreeView">
<property name="visible">True</property>
<property name="model">model</property>
<child>
- <object class="GtkTreeViewColumn" id="column">
+ <object class="GtkTreeViewColumn">
<property name="title" translatable="yes">Name</property>
<child>
<object class="GtkCellRendererToggle">
</attributes>
</child>
<child>
- <object class="GtkCellRendererText" id="name_renderer">
+ <object class="GtkCellRendererText">
<property name="scale">0.8</property>
</object>
<attributes>
gtk_style_context_add_provider (ce->priv->context,
GTK_STYLE_PROVIDER (provider),
G_MAXUINT);
- g_object_set_data (G_OBJECT (ce->priv->context),
- GTK_INSPECTOR_CSS_EDITOR_PROVIDER, provider);
+ g_object_set_data_full (G_OBJECT (ce->priv->context),
+ GTK_INSPECTOR_CSS_EDITOR_PROVIDER, provider,
+ g_object_unref);
}
g_signal_connect (provider, "parsing-error",
NULL));
}
+static void
+remove_dead_object (gpointer data, GObject *dead_object)
+{
+ GtkInspectorCssEditor *ce = data;
+
+ ce->priv->context = NULL;
+ gtk_widget_set_sensitive (GTK_WIDGET (ce), ce->priv->global);
+}
+
void
gtk_inspector_css_editor_set_widget (GtkInspectorCssEditor *ce,
GtkWidget *widget)
if (ce->priv->context)
{
+ g_object_weak_unref (G_OBJECT (ce->priv->context), remove_dead_object, ce);
text = get_current_text (GTK_TEXT_BUFFER (ce->priv->text));
g_object_set_data_full (G_OBJECT (ce->priv->context),
GTK_INSPECTOR_CSS_EDITOR_TEXT,
set_initial_text (ce);
disable_toggled (ce->priv->disable_button, ce);
+
+ g_object_weak_ref (G_OBJECT (ce->priv->context), remove_dead_object, ce);
}
// vim: set et sw=2 ts=2:
GType gtk_inspector_css_editor_get_type (void);
GtkWidget *gtk_inspector_css_editor_new (gboolean global);
-void gtk_inspector_css_editor_set_widget (GtkInspectorCssEditor *editor,
+void gtk_inspector_css_editor_set_widget (GtkInspectorCssEditor *ce,
GtkWidget *widget);
G_END_DECLS
NULL);
}
+static void remove_dead_object (gpointer data, GObject *dead_object);
+
+static void
+cleanup_object (GtkInspectorPropList *pl)
+{
+ gtk_widget_set_sensitive (GTK_WIDGET (pl), FALSE);
+
+ if (pl->priv->object)
+ g_object_weak_unref (pl->priv->object, remove_dead_object, pl);
+
+ if (pl->priv->object && pl->priv->notify_handler_id != 0)
+ {
+ g_signal_handler_disconnect (pl->priv->object, pl->priv->notify_handler_id);
+ pl->priv->notify_handler_id = 0;
+ }
+
+ pl->priv->object = NULL;
+
+ g_hash_table_remove_all (pl->priv->prop_iters);
+ gtk_list_store_clear (pl->priv->model);
+}
+
+static void
+remove_dead_object (gpointer data, GObject *dead_object)
+{
+ GtkInspectorPropList *pl = data;
+
+ pl->priv->notify_handler_id = 0;
+ pl->priv->object = NULL;
+ cleanup_object (pl);
+}
+
gboolean
gtk_inspector_prop_list_set_object (GtkInspectorPropList *pl,
GObject *object)
if (pl->priv->object == object)
return FALSE;
- if (pl->priv->notify_handler_id != 0)
- {
- g_signal_handler_disconnect (pl->priv->object, pl->priv->notify_handler_id);
- pl->priv->notify_handler_id = 0;
- }
-
- g_hash_table_remove_all (pl->priv->prop_iters);
- gtk_list_store_clear (pl->priv->model);
- gtk_widget_set_sensitive (GTK_WIDGET (pl), FALSE);
+ cleanup_object (pl);
pl->priv->object = object;
+ g_object_weak_ref (object, remove_dead_object, pl);
+
+ g_object_set (pl->priv->attribute_column,
+ "visible", !pl->priv->child_properties && GTK_IS_CELL_RENDERER (object),
+ NULL);
+
if (pl->priv->child_properties)
{
GtkWidget *parent;
G_CALLBACK (gtk_inspector_prop_list_prop_changed_cb),
pl);
- g_object_set (pl->priv->attribute_column,
- "visible", !pl->priv->child_properties && GTK_IS_CELL_RENDERER (object),
- NULL);
return TRUE;
}
typedef struct
{
+ GtkInspectorWidgetTree *wt;
GObject *object;
- GtkTreeIter *iter;
+ GtkTreeRowReference *row;
gulong map_handler;
gulong unmap_handler;
} ObjectData;
+static void
+remove_dead_object (gpointer data, GObject *dead_object)
+{
+ ObjectData *od = data;
+
+ if (gtk_tree_row_reference_valid (od->row))
+ {
+ GtkTreePath *path;
+ GtkTreeIter iter;
+ path = gtk_tree_row_reference_get_path (od->row);
+ gtk_tree_model_get_iter (GTK_TREE_MODEL (od->wt->priv->model), &iter, path);
+ gtk_tree_store_remove (od->wt->priv->model, &iter);
+ gtk_tree_path_free (path);
+ }
+ od->object = NULL;
+ g_hash_table_remove (od->wt->priv->iters, dead_object);
+}
+
static void
object_data_free (gpointer data)
{
ObjectData *od = data;
- gtk_tree_iter_free (od->iter);
+ gtk_tree_row_reference_free (od->row);
- if (g_signal_handler_is_connected (od->object, od->map_handler))
+ if (od->object)
+ g_object_weak_unref (od->object, remove_dead_object, od);
+
+ if (od->object && od->map_handler)
{
g_signal_handler_disconnect (od->object, od->map_handler);
g_signal_handler_disconnect (od->object, od->unmap_handler);
const gchar *name)
{
GtkTreeIter iter;
+ GtkTreePath *path;
const gchar *class_name = G_OBJECT_CLASS_NAME (G_OBJECT_GET_CLASS (object));
gchar *address;
gboolean mapped;
-1);
od = g_new0 (ObjectData, 1);
+ od->wt = wt;
od->object = object;
- od->iter = gtk_tree_iter_copy (&iter);
+ path = gtk_tree_model_get_path (GTK_TREE_MODEL (wt->priv->model), &iter);
+ od->row = gtk_tree_row_reference_new (GTK_TREE_MODEL (wt->priv->model), path);
+ gtk_tree_path_free (path);
if (GTK_IS_WIDGET (object))
{
od->map_handler = g_signal_connect (object, "map", G_CALLBACK (map_or_unmap), wt);
}
g_hash_table_insert (wt->priv->iters, object, od);
+ g_object_weak_ref (object, remove_dead_object, od);
g_free (address);
ObjectData *od;
od = g_hash_table_lookup (wt->priv->iters, object);
- if (od)
+ if (od && gtk_tree_row_reference_valid (od->row))
{
- *iter = *od->iter;
+ GtkTreePath *path;
+
+ path = gtk_tree_row_reference_get_path (od->row);
+ gtk_tree_model_get_iter (GTK_TREE_MODEL (wt->priv->model), iter, path);
+ gtk_tree_path_free (path);
+
return TRUE;
}