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gtk-demo: Demo columnview sorting

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Enhance the settings demo to have a sortable column.
This commit is contained in:
Matthias Clasen 2019-12-14 11:53:24 -05:00
parent d717971f41
commit 8804427677
2 changed files with 22 additions and 8 deletions
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23
demos/gtk-demo/listview_settings.c
View File

@ -2,7 +2,9 @@
*
* This demo shows a settings viewer for GSettings.
*
* It demonstrates how to implement support for trees with listview.
* It demonstrates how to implement support for trees with GtkListView.
*
* It also shows how to set up sorting for columns in a GtkColumnView.
*/
#include <gtk/gtk.h>
@ -131,12 +133,13 @@ static gboolean
transform_settings_to_keys (GBinding *binding,
const GValue *from_value,
GValue *to_value,
gpointer unused)
gpointer data)
{
GtkTreeListRow *treelistrow;
GSettings *settings;
GSettingsSchema *schema;
GListStore *store;
GtkSortListModel *sort_model;
char **keys;
guint i;
@ -149,7 +152,6 @@ transform_settings_to_keys (GBinding *binding,
store = g_list_store_new (SETTINGS_TYPE_KEY);
keys = g_settings_schema_list_keys (schema);
qsort (keys, g_strv_length (keys), sizeof (char *), strvcmp);
for (i = 0; keys[i] != NULL; i++)
{
@ -164,7 +166,11 @@ transform_settings_to_keys (GBinding *binding,
g_settings_schema_unref (schema);
g_object_unref (settings);
g_value_take_object (to_value, store);
sort_model = gtk_sort_list_model_new (G_LIST_MODEL (store),
gtk_column_view_get_sorter (GTK_COLUMN_VIEW (data)));
g_object_unref (store);
g_value_take_object (to_value, sort_model);
return TRUE;
}
@ -229,6 +235,8 @@ do_listview_settings (GtkWidget *do_widget)
GtkTreeListModel *treemodel;
GtkSingleSelection *selection;
GtkBuilder *builder;
GtkColumnViewColumn *name_column;
GtkSorter *sorter;
g_type_ensure (SETTINGS_TYPE_KEY);
@ -253,11 +261,16 @@ do_listview_settings (GtkWidget *do_widget)
G_BINDING_SYNC_CREATE,
transform_settings_to_keys,
NULL,
NULL, NULL);
columnview, NULL);
gtk_list_view_set_model (GTK_LIST_VIEW (listview), G_LIST_MODEL (selection));
g_object_unref (selection);
g_object_unref (treemodel);
g_object_unref (model);
name_column = GTK_COLUMN_VIEW_COLUMN (gtk_builder_get_object (builder, "name_column"));
sorter = gtk_string_sorter_new (gtk_property_expression_new (SETTINGS_TYPE_KEY, NULL, "name"));
gtk_column_view_column_set_sorter (name_column, sorter);
g_object_unref (sorter);
}
if (!gtk_widget_get_visible (window))

7
demos/gtk-demo/listview_settings.ui
View File

@ -2,10 +2,11 @@
<interface>
<object class="GtkWindow" id="window">
<property name="title" translatable="yes">Settings</property>
<property name="default-width">600</property>
<property name="default-height">400</property>
<property name="default-width">640</property>
<property name="default-height">480</property>
<child>
<object class="GtkPaned">
<property name="position">300</property>
<child>
<object class="GtkScrolledWindow">
<child>
@ -47,7 +48,7 @@
<child>
<object class="GtkColumnView" id="columnview">
<child>
<object class="GtkColumnViewColumn">
<object class="GtkColumnViewColumn" id="name_column">
<property name="title">Name</property>
<property name="factory">
<object class="GtkBuilderListItemFactory">