mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-12-26 13:41:07 +00:00
442 lines
12 KiB
C
442 lines
12 KiB
C
#include <gtk/gtk.h>
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#define TEST_TYPE_OBJECT (test_object_get_type ())
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G_DECLARE_FINAL_TYPE (TestObject, test_object, TEST, OBJECT, GObject)
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struct _TestObject {
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GObject parent_instance;
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char *string;
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guint number;
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gboolean allow_children;
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};
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enum {
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PROP_STRING = 1,
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PROP_NUMBER,
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PROP_ALLOW_CHILDREN,
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PROP_NUM_PROPERTIES
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};
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G_DEFINE_TYPE (TestObject, test_object, G_TYPE_OBJECT);
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static void
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test_object_init (TestObject *obj)
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{
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}
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static void
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test_object_finalize (GObject *object)
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{
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TestObject *obj = TEST_OBJECT (object);
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g_free (obj->string);
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G_OBJECT_CLASS (test_object_parent_class)->finalize (object);
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}
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static void
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test_object_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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TestObject *obj = TEST_OBJECT (object);
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switch (property_id)
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{
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case PROP_STRING:
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g_free (obj->string);
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obj->string = g_value_dup_string (value);
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break;
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case PROP_NUMBER:
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obj->number = g_value_get_uint (value);
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break;
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case PROP_ALLOW_CHILDREN:
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obj->allow_children = g_value_get_boolean (value);
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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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test_object_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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TestObject *obj = TEST_OBJECT (object);
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switch (property_id)
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{
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case PROP_STRING:
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g_value_set_string (value, obj->string);
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break;
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case PROP_NUMBER:
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g_value_set_uint (value, obj->number);
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break;
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case PROP_ALLOW_CHILDREN:
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g_value_set_boolean (value, obj->allow_children);
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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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test_object_class_init (TestObjectClass *class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (class);
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object_class->finalize = test_object_finalize;
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object_class->set_property = test_object_set_property;
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object_class->get_property = test_object_get_property;
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g_object_class_install_property (object_class, PROP_STRING,
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g_param_spec_string ("string", "String", "String",
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NULL,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (object_class, PROP_NUMBER,
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g_param_spec_uint ("number", "Number", "Number",
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0, G_MAXUINT, 0,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (object_class, PROP_ALLOW_CHILDREN,
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g_param_spec_boolean ("allow-children", "Allow children", "Allow children",
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FALSE,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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}
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static TestObject *
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test_object_new (const char *string,
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guint number,
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gboolean allow_children)
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{
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return g_object_new (TEST_TYPE_OBJECT,
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"string", string,
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"number", number,
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"allow-children", allow_children,
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NULL);
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}
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static const char *
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test_object_get_string (TestObject *obj)
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{
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return obj->string;
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}
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static guint
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test_object_get_number (TestObject *obj)
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{
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return obj->number;
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}
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static gboolean
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test_object_get_allow_children (TestObject *obj)
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{
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return obj->allow_children;
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}
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/* * * */
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static GListModel *
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create_model (guint base,
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guint n,
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guint increment,
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gboolean allow_children)
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{
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GListStore *store;
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guint i;
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store = g_list_store_new (TEST_TYPE_OBJECT);
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for (i = 0; i < n; i++)
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{
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char *string;
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guint number;
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TestObject *obj;
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number = base + i * increment;
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string = g_strdup_printf ("%u", number);
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obj = test_object_new (string, number, allow_children);
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g_list_store_append (store, obj);
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g_object_unref (obj);
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g_free (string);
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}
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return G_LIST_MODEL (store);
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}
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static GListModel *
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create_child_model (gpointer item,
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gpointer user_data)
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{
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guint size = GPOINTER_TO_UINT (user_data);
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guint base = test_object_get_number (TEST_OBJECT (item));
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if (test_object_get_allow_children (TEST_OBJECT (item)))
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return create_model (base, size, 1, FALSE);
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else
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return NULL;
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}
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static GListModel *
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create_tree_model (guint n, guint m)
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{
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return G_LIST_MODEL (gtk_tree_list_model_new (FALSE,
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create_model (0, n, m, TRUE),
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FALSE,
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create_child_model,
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GUINT_TO_POINTER (m), NULL));
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}
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static void
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setup_item (GtkSignalListItemFactory *factory,
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GtkListItem *item)
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{
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GtkWidget *entry;
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entry = gtk_editable_label_new ("");
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gtk_editable_set_width_chars (GTK_EDITABLE (entry), 3);
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gtk_list_item_set_child (item, entry);
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}
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static void
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text_changed (GObject *object,
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GParamSpec *pspec,
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gpointer data)
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{
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const char *text;
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text = gtk_editable_get_text (GTK_EDITABLE (object));
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g_print ("text changed to '%s'\n", text);
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g_object_set (data, "string", text, NULL);
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}
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static void
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bind_item (GtkSignalListItemFactory *factory,
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GtkListItem *item)
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{
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TestObject *obj;
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GtkWidget *entry;
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obj = gtk_list_item_get_item (item);
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entry = gtk_list_item_get_child (item);
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gtk_editable_set_text (GTK_EDITABLE (entry), test_object_get_string (obj));
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g_signal_connect (entry, "notify::text", G_CALLBACK (text_changed), obj);
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}
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static void
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unbind_item (GtkSignalListItemFactory *factory,
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GtkListItem *item)
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{
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TestObject *obj;
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GtkWidget *entry;
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obj = gtk_list_item_get_item (item);
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entry = gtk_list_item_get_child (item);
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g_signal_handlers_disconnect_by_func (entry, text_changed, obj);
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}
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static void
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setup_tree_item (GtkSignalListItemFactory *factory,
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GtkListItem *item)
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{
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GtkWidget *expander;
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GtkWidget *entry;
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entry = gtk_editable_label_new ("");
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gtk_editable_set_width_chars (GTK_EDITABLE (entry), 3);
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expander = gtk_tree_expander_new ();
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gtk_tree_expander_set_child (GTK_TREE_EXPANDER (expander), entry);
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gtk_list_item_set_child (item, expander);
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}
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static void
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bind_tree_item (GtkSignalListItemFactory *factory,
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GtkListItem *item)
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{
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GtkTreeListRow *row;
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GtkTreeExpander *expander;
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TestObject *obj;
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GtkWidget *entry;
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row = gtk_list_item_get_item (item);
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expander = GTK_TREE_EXPANDER (gtk_list_item_get_child (item));
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gtk_tree_expander_set_list_row (expander, row);
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obj = gtk_tree_list_row_get_item (row);
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entry = gtk_tree_expander_get_child (expander);
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gtk_editable_set_text (GTK_EDITABLE (entry), test_object_get_string (obj));
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g_signal_connect (entry, "notify::text", G_CALLBACK (text_changed), obj);
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}
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static void
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unbind_tree_item (GtkSignalListItemFactory *factory,
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GtkListItem *item)
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{
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GtkTreeListRow *row;
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GtkTreeExpander *expander;
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TestObject *obj;
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GtkWidget *entry;
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row = gtk_list_item_get_item (item);
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expander = GTK_TREE_EXPANDER (gtk_list_item_get_child (item));
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obj = gtk_tree_list_row_get_item (row);
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entry = gtk_tree_expander_get_child (expander);
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g_signal_handlers_disconnect_by_func (entry, text_changed, obj);
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}
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int
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main (int argc, char *argv[])
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{
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GtkWidget *window;
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GtkWidget *box;
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GtkWidget *label;
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GtkWidget *box2;
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GtkWidget *stack;
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GtkWidget *switcher;
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GtkWidget *sw;
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GtkWidget *grid;
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GtkWidget *list;
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GtkWidget *cv;
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GListModel *model;
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GtkListItemFactory *factory;
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gtk_init ();
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window = gtk_window_new ();
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gtk_window_set_default_size (GTK_WINDOW (window), 600, 400);
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box2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 10);
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gtk_window_set_child (GTK_WINDOW (window), box2);
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switcher = gtk_stack_switcher_new ();
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gtk_widget_set_halign (GTK_WIDGET (switcher), GTK_ALIGN_CENTER);
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gtk_widget_set_margin_top (GTK_WIDGET (switcher), 10);
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gtk_widget_set_margin_bottom (GTK_WIDGET (switcher), 10);
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gtk_box_append (GTK_BOX (box2), switcher);
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box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
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gtk_box_set_homogeneous (GTK_BOX (box), TRUE);
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gtk_box_append (GTK_BOX (box2), box);
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label = gtk_editable_label_new ("Drag me");
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gtk_box_append (GTK_BOX (box), label);
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stack = gtk_stack_new ();
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gtk_widget_set_vexpand (stack, TRUE);
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gtk_stack_switcher_set_stack (GTK_STACK_SWITCHER (switcher), GTK_STACK (stack));
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gtk_box_append (GTK_BOX (box), stack);
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/* grid */
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sw = gtk_scrolled_window_new (NULL, NULL);
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gtk_scrolled_window_set_has_frame (GTK_SCROLLED_WINDOW (sw), TRUE);
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gtk_stack_add_titled (GTK_STACK (stack), sw, "grid", "GtkGridView");
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grid = gtk_grid_view_new ();
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gtk_grid_view_set_min_columns (GTK_GRID_VIEW (grid), 20);
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gtk_grid_view_set_max_columns (GTK_GRID_VIEW (grid), 20);
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gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), grid);
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model = create_model (0, 400, 1, FALSE);
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gtk_grid_view_set_model (GTK_GRID_VIEW (grid), model);
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g_object_unref (model);
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factory = gtk_signal_list_item_factory_new ();
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g_signal_connect (factory, "setup", G_CALLBACK (setup_item), NULL);
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g_signal_connect (factory, "bind", G_CALLBACK (bind_item), NULL);
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g_signal_connect (factory, "unbind", G_CALLBACK (unbind_item), NULL);
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gtk_grid_view_set_factory (GTK_GRID_VIEW (grid), factory);
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g_object_unref (factory);
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/* list */
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sw = gtk_scrolled_window_new (NULL, NULL);
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gtk_scrolled_window_set_has_frame (GTK_SCROLLED_WINDOW (sw), TRUE);
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gtk_stack_add_titled (GTK_STACK (stack), sw, "list", "GtkListView");
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list = gtk_list_view_new ();
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gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), list);
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model = create_model (0, 400, 1, FALSE);
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gtk_list_view_set_model (GTK_LIST_VIEW (list), model);
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g_object_unref (model);
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factory = gtk_signal_list_item_factory_new ();
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g_signal_connect (factory, "setup", G_CALLBACK (setup_item), NULL);
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g_signal_connect (factory, "bind", G_CALLBACK (bind_item), NULL);
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g_signal_connect (factory, "unbind", G_CALLBACK (unbind_item), NULL);
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gtk_list_view_set_factory (GTK_LIST_VIEW (list), factory);
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g_object_unref (factory);
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/* columnview */
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sw = gtk_scrolled_window_new (NULL, NULL);
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gtk_scrolled_window_set_has_frame (GTK_SCROLLED_WINDOW (sw), TRUE);
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gtk_stack_add_titled (GTK_STACK (stack), sw, "column", "GtkColumnView");
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cv = gtk_column_view_new ();
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model = create_model (0, 400, 1, FALSE);
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gtk_column_view_set_model (GTK_COLUMN_VIEW (cv), model);
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g_object_unref (model);
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for (guint i = 0; i < 20; i++)
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{
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GtkColumnViewColumn *column;
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char *title;
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factory = gtk_signal_list_item_factory_new ();
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g_signal_connect (factory, "setup", G_CALLBACK (setup_item), NULL);
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g_signal_connect (factory, "bind", G_CALLBACK (bind_item), NULL);
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g_signal_connect (factory, "unbind", G_CALLBACK (unbind_item), NULL);
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title = g_strdup_printf ("Column %u", i);
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column = gtk_column_view_column_new_with_factory (title, factory);
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gtk_column_view_append_column (GTK_COLUMN_VIEW (cv), column);
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g_object_unref (column);
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g_free (title);
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}
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gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), cv);
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/* tree */
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sw = gtk_scrolled_window_new (NULL, NULL);
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gtk_scrolled_window_set_has_frame (GTK_SCROLLED_WINDOW (sw), TRUE);
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gtk_stack_add_titled (GTK_STACK (stack), sw, "tree", "Tree");
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list = gtk_list_view_new ();
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gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), list);
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model = create_tree_model (20, 20);
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gtk_list_view_set_model (GTK_LIST_VIEW (list), model);
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g_object_unref (model);
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factory = gtk_signal_list_item_factory_new ();
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g_signal_connect (factory, "setup", G_CALLBACK (setup_tree_item), NULL);
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g_signal_connect (factory, "bind", G_CALLBACK (bind_tree_item), NULL);
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g_signal_connect (factory, "unbind", G_CALLBACK (unbind_tree_item), NULL);
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gtk_list_view_set_factory (GTK_LIST_VIEW (list), factory);
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g_object_unref (factory);
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gtk_window_present (GTK_WINDOW (window));
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while (g_list_model_get_n_items (gtk_window_get_toplevels ()) > 0)
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g_main_context_iteration (NULL, TRUE);
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gtk_window_destroy (GTK_WINDOW (window));
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return 0;
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}
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