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gtk-demo: Add alternative settings demo
This one displays a long list of all settings with sections and allows filtering the list to quickly search for keys.
This commit is contained in:
Benjamin Otte
parent
435a405c55
commit
ddefbfa8b5
@ -195,6 +195,9 @@
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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_settings2">
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<file>listview_settings2.ui</file>
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</gresource>
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<gresource prefix="/listview_ucd_data/">
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<file>ucdnames.data</file>
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</gresource>
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@ -312,6 +315,7 @@
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<file>listview_minesweeper.c</file>
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<file>listview_selections.c</file>
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<file>listview_settings.c</file>
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<file>listview_settings2.c</file>
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<file>listview_ucd.c</file>
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<file>listview_weather.c</file>
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<file>listview_words.c</file>
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230
demos/gtk-demo/listview_settings2.c
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230
demos/gtk-demo/listview_settings2.c
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@ -0,0 +1,230 @@
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/* Lists/Settings v2
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* #Keywords: GtkListHeaderFactory, GtkSectionModel
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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 sections with GtkListView.
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*
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* It also shows how to quickly flatten a large tree of items into a list
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* that can be filtered to find the itmes one is looking for.
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*/
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#include <gtk/gtk.h>
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#include "settings-key.h"
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static void
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item_value_changed (GtkEditableLabel *label,
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GParamSpec *pspec,
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GtkColumnViewCell *cell)
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{
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SettingsKey *self;
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GSettingsSchemaKey *key;
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const char *text;
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const GVariantType *type;
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GVariant *variant;
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GError *error = NULL;
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const char *name;
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char *value;
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text = gtk_editable_get_text (GTK_EDITABLE (label));
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self = gtk_column_view_cell_get_item (cell);
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key = settings_key_get_key (self);
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type = g_settings_schema_key_get_value_type (key);
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name = g_settings_schema_key_get_name (key);
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variant = g_variant_parse (type, text, NULL, NULL, &error);
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if (!variant)
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{
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g_warning ("%s", error->message);
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g_clear_error (&error);
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goto revert;
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}
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if (!g_settings_schema_key_range_check (key, variant))
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{
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g_warning ("Not a valid value for %s", name);
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goto revert;
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}
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g_settings_set_value (settings_key_get_settings (self), name, variant);
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g_variant_unref (variant);
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return;
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revert:
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gtk_widget_error_bell (GTK_WIDGET (label));
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g_object_get (self, "value", &value, NULL);
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gtk_editable_set_text (GTK_EDITABLE (label), value);
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g_free (value);
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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 gpointer
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map_settings_to_keys (gpointer item,
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gpointer unused)
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{
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GSettings *settings = item;
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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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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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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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return store;
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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 void
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search_enabled (GtkSearchEntry *entry)
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{
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gtk_editable_set_text (GTK_EDITABLE (entry), "");
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}
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static void
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stop_search (GtkSearchEntry *entry,
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gpointer data)
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{
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gtk_editable_set_text (GTK_EDITABLE (entry), "");
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}
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static GtkWidget *window = NULL;
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GtkWidget *
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do_listview_settings2 (GtkWidget *do_widget)
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{
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if (window == NULL)
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{
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GtkListView *listview;
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GListModel *model;
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GtkTreeListModel *treemodel;
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GtkNoSelection *selection;
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GtkBuilderScope *scope;
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GtkBuilder *builder;
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GError *error = NULL;
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GtkFilter *filter;
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g_type_ensure (SETTINGS_TYPE_KEY);
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scope = gtk_builder_cscope_new ();
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gtk_builder_cscope_add_callback (scope, search_enabled);
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gtk_builder_cscope_add_callback (scope, stop_search);
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gtk_builder_cscope_add_callback (scope, settings_key_get_search_string);
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gtk_builder_cscope_add_callback (scope, item_value_changed);
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builder = gtk_builder_new ();
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gtk_builder_set_scope (builder, scope);
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g_object_unref (scope);
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gtk_builder_add_from_resource (builder, "/listview_settings2/listview_settings2.ui", &error);
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g_assert_no_error (error);
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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_LIST_VIEW (gtk_builder_get_object (builder, "listview"));
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filter = GTK_FILTER (gtk_builder_get_object (builder, "filter"));
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model = create_settings_model (NULL, NULL);
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treemodel = gtk_tree_list_model_new (model,
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TRUE,
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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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model = G_LIST_MODEL (gtk_map_list_model_new (G_LIST_MODEL (treemodel), map_settings_to_keys, NULL, NULL));
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model = G_LIST_MODEL (gtk_flatten_list_model_new (model));
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model = G_LIST_MODEL (gtk_filter_list_model_new (model, g_object_ref (filter)));
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selection = gtk_no_selection_new (model);
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gtk_list_view_set_model (GTK_LIST_VIEW (listview), GTK_SELECTION_MODEL (selection));
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g_object_unref (selection);
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g_object_unref (builder);
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}
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if (!gtk_widget_get_visible (window))
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gtk_widget_set_visible (window, TRUE);
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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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130
demos/gtk-demo/listview_settings2.ui
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130
demos/gtk-demo/listview_settings2.ui
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@ -0,0 +1,130 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<interface>
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<object class="GtkStringFilter" id="filter">
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<property name="expression">
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<closure type="gchararray" function="settings_key_get_search_string" />
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</property>
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<property name="search" bind-source="entry" bind-property="text" />
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</object>
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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">640</property>
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<property name="default-height">480</property>
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<child type="titlebar">
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<object class="GtkHeaderBar">
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<child type="end">
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<object class="GtkToggleButton" id="search_button">
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<property name="icon-name">system-search-symbolic</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="GtkBox">
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<property name="orientation">vertical</property>
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<child>
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<object class="GtkSearchBar">
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<property name="search-mode-enabled" bind-source="search_button" bind-property="active" bind-flags="bidirectional"/>
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<signal name="notify::search-mode-enabled" handler="search_enabled" object="entry"/>
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<child>
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<object class="GtkSearchEntry" id="entry">
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<signal name="stop-search" handler="stop_search"/>
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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="GtkListView" id="listview">
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<property name="vexpand">1</property>
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<style>
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<class name="rich-list"/>
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</style>
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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="GtkBox">
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<child>
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<object class="GtkBox">
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<property name="orientation">vertical</property>
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<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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</child>
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<child>
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<object class="GtkLabel">
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<style>
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<class name="dim-label"/>
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</style>
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<property name="xalign">0</property>
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<property name="ellipsize">end</property>
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<binding name="label">
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<lookup name="summary" 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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</child>
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</object>
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</child>
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<child>
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<object class="GtkEntry">
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<property name="hexpand">1</property>
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<property name="halign">end</property>
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<binding name="text">
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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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<signal name="notify::label" handler="item_value_changed"/>
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</object>
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</child>
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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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<property name="header-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="GtkListHeader">
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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="settings" type="SettingsKey">
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<lookup name="item">GtkListHeader</lookup>
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</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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</interface>
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@ -57,6 +57,7 @@ demos = files([
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'listview_minesweeper.c',
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'listview_selections.c',
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'listview_settings.c',
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'listview_settings2.c',
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'listview_ucd.c',
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'listview_weather.c',
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'listview_words.c',
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