Learning_GTK4_tree/tests/testlistdnd.c

424 lines
12 KiB
C

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