forked from AuroraMiddleware/gtk
demo: Add a GSettings tree demo
It is meant to look somewhat like dconf-editor when it is done. So far, it's just a list.
This commit is contained in:
Benjamin Otte
Matthias Clasen
parent
7451e51619
commit
bb7968ba77
@ -118,6 +118,9 @@
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<file>gnome-fs-directory.png</file>
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<file>gnome-fs-regular.png</file>
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</gresource>
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<gresource prefix="/listview_settings">
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<file>listview_settings.ui</file>
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</gresource>
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<gresource prefix="/listview_weather">
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<file compressed="true">listview_weather.txt</file>
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</gresource>
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@ -197,6 +200,7 @@
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<file>infobar.c</file>
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<file>links.c</file>
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<file>listbox.c</file>
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<file>listview_settings.c</file>
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<file>listview_weather.c</file>
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<file>list_store.c</file>
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<file>markup.c</file>
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269
demos/gtk-demo/listview_settings.c
Normal file
269
demos/gtk-demo/listview_settings.c
Normal file
@ -0,0 +1,269 @@
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/* Lists/Settings
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*
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* This demo shows a settings viewer for GSettings.
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*
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* It demonstrates how to implement support for trees with listview.
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*/
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#include <gtk/gtk.h>
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/* Create an object that wraps GSettingsSchemaKey because that's a boxed type */
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typedef struct _SettingsKey SettingsKey;
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struct _SettingsKey
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{
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GObject parent_instance;
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GSettings *settings;
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GSettingsSchemaKey *key;
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};
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enum {
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PROP_0,
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PROP_NAME,
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PROP_SUMMARY,
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PROP_DESCRIPTION,
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PROP_VALUE,
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N_PROPS
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};
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#define SETTINGS_TYPE_KEY (settings_key_get_type ())
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G_DECLARE_FINAL_TYPE (SettingsKey, settings_key, SETTINGS, KEY, GObject);
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G_DEFINE_TYPE (SettingsKey, settings_key, G_TYPE_OBJECT);
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static GParamSpec *properties[N_PROPS] = { NULL, };
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static void
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settings_key_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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SettingsKey *self = SETTINGS_KEY (object);
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switch (property_id)
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{
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case PROP_DESCRIPTION:
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g_value_set_string (value, g_settings_schema_key_get_description (self->key));
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break;
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case PROP_NAME:
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g_value_set_string (value, g_settings_schema_key_get_name (self->key));
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break;
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case PROP_SUMMARY:
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g_value_set_string (value, g_settings_schema_key_get_summary (self->key));
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break;
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case PROP_VALUE:
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{
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GVariant *variant = g_settings_get_value (self->settings, g_settings_schema_key_get_name (self->key));
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g_value_take_string (value, g_variant_print (variant, FALSE));
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g_variant_unref (variant);
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}
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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settings_key_finalize (GObject *object)
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{
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SettingsKey *self = SETTINGS_KEY (object);
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g_object_unref (self->settings);
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g_settings_schema_key_unref (self->key);
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G_OBJECT_CLASS (settings_key_parent_class)->finalize (object);
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}
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static void
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settings_key_class_init (SettingsKeyClass *klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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gobject_class->finalize = settings_key_finalize;
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gobject_class->get_property = settings_key_get_property;
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properties[PROP_DESCRIPTION] =
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g_param_spec_string ("description", NULL, NULL, NULL, G_PARAM_READABLE);
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properties[PROP_NAME] =
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g_param_spec_string ("name", NULL, NULL, NULL, G_PARAM_READABLE);
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properties[PROP_SUMMARY] =
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g_param_spec_string ("summary", NULL, NULL, NULL, G_PARAM_READABLE);
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properties[PROP_VALUE] =
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g_param_spec_string ("value", NULL, NULL, NULL, G_PARAM_READABLE);
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g_object_class_install_properties (gobject_class, N_PROPS, properties);
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}
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static void
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settings_key_init (SettingsKey *self)
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{
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}
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static SettingsKey *
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settings_key_new (GSettings *settings,
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GSettingsSchemaKey *key)
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{
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SettingsKey *result = g_object_new (SETTINGS_TYPE_KEY, NULL);
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result->settings = g_object_ref (settings);
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result->key = g_settings_schema_key_ref (key);
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return result;
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}
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static int
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strvcmp (gconstpointer p1,
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gconstpointer p2)
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{
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const char * const *s1 = p1;
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const char * const *s2 = p2;
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return strcmp (*s1, *s2);
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}
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static gboolean
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transform_settings_to_keys (GBinding *binding,
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const GValue *from_value,
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GValue *to_value,
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gpointer unused)
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{
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GtkTreeListRow *treelistrow;
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GSettings *settings;
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GSettingsSchema *schema;
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GListStore *store;
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char **keys;
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guint i;
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treelistrow = g_value_get_object (from_value);
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if (treelistrow == NULL)
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return TRUE;
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settings = gtk_tree_list_row_get_item (treelistrow);
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g_object_get (settings, "settings-schema", &schema, NULL);
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store = g_list_store_new (SETTINGS_TYPE_KEY);
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keys = g_settings_schema_list_keys (schema);
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qsort (keys, g_strv_length (keys), sizeof (char *), strvcmp);
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for (i = 0; keys[i] != NULL; i++)
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{
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GSettingsSchemaKey *almost_there = g_settings_schema_get_key (schema, keys[i]);
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SettingsKey *finally = settings_key_new (settings, almost_there);
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g_list_store_append (store, finally);
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g_object_unref (finally);
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g_settings_schema_key_unref (almost_there);
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}
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g_strfreev (keys);
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g_settings_schema_unref (schema);
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g_object_unref (settings);
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g_value_take_object (to_value, store);
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return TRUE;
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}
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static GListModel *
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create_settings_model (gpointer item,
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gpointer unused)
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{
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GSettings *settings = item;
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char **schemas;
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GListStore *result;
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guint i;
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if (settings == NULL)
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{
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g_settings_schema_source_list_schemas (g_settings_schema_source_get_default (),
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TRUE,
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&schemas,
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NULL);
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}
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else
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{
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schemas = g_settings_list_children (settings);
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}
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if (schemas == NULL || schemas[0] == NULL)
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{
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g_free (schemas);
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return NULL;
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}
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qsort (schemas, g_strv_length (schemas), sizeof (char *), strvcmp);
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result = g_list_store_new (G_TYPE_SETTINGS);
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for (i = 0; schemas[i] != NULL; i++)
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{
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GSettings *child;
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if (settings == NULL)
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child = g_settings_new (schemas[i]);
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else
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child = g_settings_get_child (settings, schemas[i]);
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g_list_store_append (result, child);
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g_object_unref (child);
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}
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g_strfreev (schemas);
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return G_LIST_MODEL (result);
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}
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static GtkWidget *window = NULL;
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GtkWidget *
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do_listview_settings (GtkWidget *do_widget)
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{
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if (window == NULL)
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{
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GtkWidget *listview, *columnview;
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GListModel *model;
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GtkTreeListModel *treemodel;
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GtkSingleSelection *selection;
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GtkBuilder *builder;
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g_type_ensure (SETTINGS_TYPE_KEY);
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builder = gtk_builder_new_from_resource ("/listview_settings/listview_settings.ui");
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window = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
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gtk_window_set_display (GTK_WINDOW (window),
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gtk_widget_get_display (do_widget));
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g_object_add_weak_pointer (G_OBJECT (window), (gpointer *) &window);
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listview = GTK_WIDGET (gtk_builder_get_object (builder, "listview"));
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columnview = GTK_WIDGET (gtk_builder_get_object (builder, "columnview"));
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model = create_settings_model (NULL, NULL);
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treemodel = gtk_tree_list_model_new (FALSE,
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model,
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TRUE,
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create_settings_model,
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NULL,
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NULL);
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selection = gtk_single_selection_new (G_LIST_MODEL (treemodel));
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g_object_bind_property_full (selection, "selected-item",
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columnview, "model",
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G_BINDING_SYNC_CREATE,
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transform_settings_to_keys,
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NULL,
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NULL, NULL);
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gtk_list_view_set_model (GTK_LIST_VIEW (listview), G_LIST_MODEL (selection));
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g_object_unref (selection);
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g_object_unref (treemodel);
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g_object_unref (model);
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}
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if (!gtk_widget_get_visible (window))
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gtk_widget_show (window);
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else
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gtk_window_destroy (GTK_WINDOW (window));
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return window;
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}
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108
demos/gtk-demo/listview_settings.ui
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108
demos/gtk-demo/listview_settings.ui
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@ -0,0 +1,108 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<interface>
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<object class="GtkWindow" id="window">
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<property name="title" translatable="yes">Settings</property>
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<property name="default-width">600</property>
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<property name="default-height">400</property>
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<child>
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<object class="GtkPaned">
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<child>
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<object class="GtkScrolledWindow">
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<child>
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<object class="GtkListView" id="listview">
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<property name="factory">
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<object class="GtkBuilderListItemFactory">
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<property name="bytes"><![CDATA[
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<?xml version="1.0" encoding="UTF-8"?>
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<interface>
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<template class="GtkListItem">
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<property name="child">
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<object class="GtkTreeExpander" id="expander">
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<binding name="list-row">
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<lookup name="item">GtkListItem</lookup>
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</binding>
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<property name="child">
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<object class="GtkLabel">
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<property name="xalign">0</property>
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<binding name="label">
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<lookup name="schema" type="GSettings">
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<lookup name="item">expander</lookup>
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</lookup>
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</binding>
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</object>
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</property>
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</object>
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</property>
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</template>
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</interface>
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]]></property>
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</object>
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</property>
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</object>
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</child>
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</object>
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</child>
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<child>
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<object class="GtkScrolledWindow">
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<child>
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<object class="GtkColumnView" id="columnview">
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<child>
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<object class="GtkColumnViewColumn">
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<property name="title">Name</property>
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<property name="factory">
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<object class="GtkBuilderListItemFactory">
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<property name="bytes"><![CDATA[
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<?xml version="1.0" encoding="UTF-8"?>
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<interface>
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<template class="GtkListItem">
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<property name="child">
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<object class="GtkLabel">
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<property name="xalign">0</property>
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<binding name="label">
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<lookup name="name" type="SettingsKey">
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<lookup name="item">GtkListItem</lookup>
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</lookup>
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</binding>
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</object>
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</property>
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</template>
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</interface>
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]]></property>
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</object>
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</property>
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</object>
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</child>
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<child>
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<object class="GtkColumnViewColumn">
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<property name="title">Value</property>
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<property name="factory">
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<object class="GtkBuilderListItemFactory">
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<property name="bytes"><![CDATA[
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<?xml version="1.0" encoding="UTF-8"?>
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<interface>
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<template class="GtkListItem">
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<property name="child">
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<object class="GtkLabel">
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<property name="xalign">0</property>
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<binding name="label">
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<lookup name="value" type="SettingsKey">
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<lookup name="item">GtkListItem</lookup>
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</lookup>
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</binding>
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</object>
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</property>
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</template>
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</interface>
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]]></property>
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</object>
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</property>
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</object>
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</child>
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</object>
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</child>
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</object>
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</child>
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</object>
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</child>
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</object>
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</interface>
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@ -41,6 +41,7 @@ demos = files([
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'listbox.c',
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'flowbox.c',
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'list_store.c',
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'listview_settings.c',
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'listview_weather.c',
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'markup.c',
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'modelbutton.c',
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