[gtk/prop-list: 137/224] demo: Add a GSettings tree demo
- From: Matthias Clasen <matthiasc src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gtk/prop-list: 137/224] demo: Add a GSettings tree demo
- Date: Sun, 8 Dec 2019 05:35:39 +0000 (UTC)
commit 3bc8be53a3c1d2369c3c9e554a67f9d1c7e8b9a3
Author: Benjamin Otte <otte redhat com>
Date: Sun Oct 13 07:40:58 2019 +0200
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.
demos/gtk-demo/demo.gresource.xml | 4 +
demos/gtk-demo/listview_settings.c | 256 ++++++++++++++++++++++++++++++++++++
demos/gtk-demo/listview_settings.ui | 108 +++++++++++++++
demos/gtk-demo/meson.build | 1 +
4 files changed, 369 insertions(+)
---
diff --git a/demos/gtk-demo/demo.gresource.xml b/demos/gtk-demo/demo.gresource.xml
index 4d898deaa1..57ec059727 100644
--- a/demos/gtk-demo/demo.gresource.xml
+++ b/demos/gtk-demo/demo.gresource.xml
@@ -111,6 +111,9 @@
<file>gnome-fs-directory.png</file>
<file>gnome-fs-regular.png</file>
</gresource>
+ <gresource prefix="/listview_settings">
+ <file>listview_settings.ui</file>
+ </gresource>
<gresource prefix="/listview_weather">
<file compressed="true">listview_weather.txt</file>
</gresource>
@@ -192,6 +195,7 @@
<file>infobar.c</file>
<file>links.c</file>
<file>listbox.c</file>
+ <file>listview_settings.c</file>
<file>listview_weather.c</file>
<file>list_store.c</file>
<file>markup.c</file>
diff --git a/demos/gtk-demo/listview_settings.c b/demos/gtk-demo/listview_settings.c
new file mode 100644
index 0000000000..75af45a0c0
--- /dev/null
+++ b/demos/gtk-demo/listview_settings.c
@@ -0,0 +1,256 @@
+/* Lists/Settings
+ *
+ * This demo shows a settings viewer for GSettings.
+ *
+ * It demonstrates how to implement support for trees with listview.
+ */
+
+#include <gtk/gtk.h>
+
+/* Create an object that wraps GSettingsSchemaKey because that's a boxed type */
+typedef struct _SettingsKey SettingsKey;
+struct _SettingsKey
+{
+ GObject parent_instance;
+
+ GSettings *settings;
+ GSettingsSchemaKey *key;
+};
+
+enum {
+ PROP_0,
+ PROP_NAME,
+ PROP_SUMMARY,
+ PROP_DESCRIPTION,
+ PROP_VALUE,
+
+ N_PROPS
+};
+
+#define SETTINGS_TYPE_KEY (settings_key_get_type ())
+G_DECLARE_FINAL_TYPE (SettingsKey, settings_key, SETTINGS, KEY, GObject);
+
+G_DEFINE_TYPE (SettingsKey, settings_key, G_TYPE_OBJECT);
+static GParamSpec *properties[N_PROPS] = { NULL, };
+
+static void
+settings_key_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ SettingsKey *self = SETTINGS_KEY (object);
+
+ switch (property_id)
+ {
+ case PROP_DESCRIPTION:
+ g_value_set_string (value, g_settings_schema_key_get_description (self->key));
+ break;
+
+ case PROP_NAME:
+ g_value_set_string (value, g_settings_schema_key_get_name (self->key));
+ break;
+
+ case PROP_SUMMARY:
+ g_value_set_string (value, g_settings_schema_key_get_summary (self->key));
+ break;
+
+ case PROP_VALUE:
+ {
+ GVariant *variant = g_settings_get_value (self->settings, g_settings_schema_key_get_name
(self->key));
+ g_value_take_string (value, g_variant_print (variant, FALSE));
+ g_variant_unref (variant);
+ }
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+settings_key_class_init (SettingsKeyClass *klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+
+ gobject_class->get_property = settings_key_get_property;
+
+ properties[PROP_DESCRIPTION] =
+ g_param_spec_string ("description", NULL, NULL, NULL, G_PARAM_READABLE);
+ properties[PROP_NAME] =
+ g_param_spec_string ("name", NULL, NULL, NULL, G_PARAM_READABLE);
+ properties[PROP_SUMMARY] =
+ g_param_spec_string ("summary", NULL, NULL, NULL, G_PARAM_READABLE);
+ properties[PROP_VALUE] =
+ g_param_spec_string ("value", NULL, NULL, NULL, G_PARAM_READABLE);
+
+ g_object_class_install_properties (gobject_class, N_PROPS, properties);
+}
+
+static void
+settings_key_init (SettingsKey *self)
+{
+}
+
+static SettingsKey *
+settings_key_new (GSettings *settings,
+ GSettingsSchemaKey *key)
+{
+ SettingsKey *result = g_object_new (SETTINGS_TYPE_KEY, NULL);
+
+ result->settings = g_object_ref (settings);
+ result->key = g_settings_schema_key_ref (key);
+
+ return result;
+}
+
+static int
+strvcmp (gconstpointer p1,
+ gconstpointer p2)
+{
+ const char * const *s1 = p1;
+ const char * const *s2 = p2;
+
+ return strcmp (*s1, *s2);
+}
+
+static gboolean
+transform_settings_to_keys (GBinding *binding,
+ const GValue *from_value,
+ GValue *to_value,
+ gpointer unused)
+{
+ GtkTreeListRow *treelistrow;
+ GSettings *settings;
+ GSettingsSchema *schema;
+ GListStore *store;
+ char **keys;
+ guint i;
+
+ treelistrow = g_value_get_object (from_value);
+ if (treelistrow == NULL)
+ return TRUE;
+ settings = gtk_tree_list_row_get_item (treelistrow);
+ g_object_get (settings, "settings-schema", &schema, NULL);
+
+ 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++)
+ {
+ GSettingsSchemaKey *almost_there = g_settings_schema_get_key (schema, keys[i]);
+ SettingsKey *finally = settings_key_new (settings, almost_there);
+ g_list_store_append (store, finally);
+ g_object_unref (finally);
+ g_settings_schema_key_unref (almost_there);
+ }
+
+ g_strfreev (keys);
+ g_settings_schema_unref (schema);
+ g_object_unref (settings);
+
+ g_value_take_object (to_value, store);
+
+ return TRUE;
+}
+
+static GListModel *
+create_settings_model (gpointer item,
+ gpointer unused)
+{
+ GSettings *settings = item;
+ char **schemas;
+ GListStore *result;
+ guint i;
+
+ if (settings == NULL)
+ {
+ g_settings_schema_source_list_schemas (g_settings_schema_source_get_default (),
+ TRUE,
+ &schemas,
+ NULL);
+ }
+ else
+ {
+ schemas = g_settings_list_children (settings);
+ }
+
+ if (schemas == NULL || schemas[0] == NULL)
+ {
+ g_free (schemas);
+ return NULL;
+ }
+
+ qsort (schemas, g_strv_length (schemas), sizeof (char *), strvcmp);
+
+ result = g_list_store_new (G_TYPE_SETTINGS);
+ for (i = 0; schemas[i] != NULL; i++)
+ {
+ GSettings *child;
+
+ if (settings == NULL)
+ child = g_settings_new (schemas[i]);
+ else
+ child = g_settings_get_child (settings, schemas[i]);
+
+ g_list_store_append (result, child);
+ g_object_unref (child);
+ }
+
+ return G_LIST_MODEL (result);
+}
+
+static GtkWidget *window = NULL;
+
+GtkWidget *
+do_listview_settings (GtkWidget *do_widget)
+{
+ if (window == NULL)
+ {
+ GtkWidget *listview, *columnview;
+ GListModel *model;
+ GtkTreeListModel *treemodel;
+ GtkSingleSelection *selection;
+ GtkBuilder *builder;
+
+ g_type_ensure (SETTINGS_TYPE_KEY);
+
+ builder = gtk_builder_new_from_resource ("/listview_settings/listview_settings.ui");
+ window = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
+ gtk_window_set_display (GTK_WINDOW (window),
+ gtk_widget_get_display (do_widget));
+ g_signal_connect (window, "destroy",
+ G_CALLBACK (gtk_widget_destroyed), &window);
+
+ listview = GTK_WIDGET (gtk_builder_get_object (builder, "listview"));
+ columnview = GTK_WIDGET (gtk_builder_get_object (builder, "columnview"));
+ model = create_settings_model (NULL, NULL);
+ treemodel = gtk_tree_list_model_new (FALSE,
+ model,
+ TRUE,
+ create_settings_model,
+ NULL,
+ NULL);
+ selection = gtk_single_selection_new (G_LIST_MODEL (treemodel));
+ g_object_bind_property_full (selection, "selected-item",
+ columnview, "model",
+ G_BINDING_SYNC_CREATE,
+ transform_settings_to_keys,
+ NULL,
+ NULL, 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);
+ }
+
+ if (!gtk_widget_get_visible (window))
+ gtk_widget_show (window);
+ else
+ gtk_widget_destroy (window);
+
+ return window;
+}
diff --git a/demos/gtk-demo/listview_settings.ui b/demos/gtk-demo/listview_settings.ui
new file mode 100644
index 0000000000..529adb4756
--- /dev/null
+++ b/demos/gtk-demo/listview_settings.ui
@@ -0,0 +1,108 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<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>
+ <child>
+ <object class="GtkPaned">
+ <child>
+ <object class="GtkScrolledWindow">
+ <child>
+ <object class="GtkListView" id="listview">
+ <property name="factory">
+ <object class="GtkBuilderListItemFactory">
+ <property name="bytes"><![CDATA[
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+ <template class="GtkListItem">
+ <property name="child">
+ <object class="GtkTreeExpander" id="expander">
+ <binding name="list-row">
+ <lookup name="item">GtkListItem</lookup>
+ </binding>
+ <property name="child">
+ <object class="GtkLabel">
+ <property name="xalign">0</property>
+ <binding name="label">
+ <lookup name="schema" type="GSettings">
+ <lookup name="item">expander</lookup>
+ </lookup>
+ </binding>
+ </object>
+ </property>
+ </object>
+ </property>
+ </template>
+</interface>
+ ]]></property>
+ </object>
+ </property>
+ </object>
+ </child>
+ </object>
+ </child>
+ <child>
+ <object class="GtkScrolledWindow">
+ <child>
+ <object class="GtkColumnView" id="columnview">
+ <child>
+ <object class="GtkColumnViewColumn">
+ <property name="title">Name</property>
+ <property name="factory">
+ <object class="GtkBuilderListItemFactory">
+ <property name="bytes"><![CDATA[
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+ <template class="GtkListItem">
+ <property name="child">
+ <object class="GtkLabel">
+ <property name="xalign">0</property>
+ <binding name="label">
+ <lookup name="name" type="SettingsKey">
+ <lookup name="item">GtkListItem</lookup>
+ </lookup>
+ </binding>
+ </object>
+ </property>
+ </template>
+</interface>
+ ]]></property>
+ </object>
+ </property>
+ </object>
+ </child>
+ <child>
+ <object class="GtkColumnViewColumn">
+ <property name="title">Value</property>
+ <property name="factory">
+ <object class="GtkBuilderListItemFactory">
+ <property name="bytes"><![CDATA[
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+ <template class="GtkListItem">
+ <property name="child">
+ <object class="GtkLabel">
+ <property name="xalign">0</property>
+ <binding name="label">
+ <lookup name="value" type="SettingsKey">
+ <lookup name="item">GtkListItem</lookup>
+ </lookup>
+ </binding>
+ </object>
+ </property>
+ </template>
+</interface>
+ ]]></property>
+ </object>
+ </property>
+ </object>
+ </child>
+ </object>
+ </child>
+ </object>
+ </child>
+ </object>
+ </child>
+ </object>
+</interface>
diff --git a/demos/gtk-demo/meson.build b/demos/gtk-demo/meson.build
index ae33329af2..abf5371c87 100644
--- a/demos/gtk-demo/meson.build
+++ b/demos/gtk-demo/meson.build
@@ -43,6 +43,7 @@ demos = files([
'listbox.c',
'flowbox.c',
'list_store.c',
+ 'listview_settings.c',
'listview_weather.c',
'markup.c',
'menus.c',
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