gtk/tests/testlistview-animating.c
Matthias Clasen 24389a0ef5 Make sorter constructors return exact types
Make functions like gtk_custom_sorter_new() return
the actual type they construct.

Update all callers.
2020-09-05 21:50:15 -04:00

189 lines
4.8 KiB
C

#include <gtk/gtk.h>
#ifdef SMALL
#define AVERAGE 15
#define VARIANCE 10
#else
#define AVERAGE 300
#define VARIANCE 200
#endif
static void
setup_list_item (GtkSignalListItemFactory *factory,
GtkListItem *list_item)
{
GtkWidget *label = gtk_label_new ("");
gtk_list_item_set_child (list_item, label);
}
static void
bind_list_item (GtkSignalListItemFactory *factory,
GtkListItem *list_item)
{
GtkWidget *label;
gpointer item;
char *s;
item = gtk_list_item_get_item (list_item);
if (item)
s = g_strdup_printf ("%u: %s",
gtk_list_item_get_position (list_item),
(const char *) g_object_get_data (item, "message"));
else
s = NULL;
label = gtk_list_item_get_child (list_item);
gtk_label_set_text (GTK_LABEL (label), s);
g_free (s);
}
static GtkWidget *
create_widget_for_listbox (gpointer item,
gpointer unused)
{
const char *message = g_object_get_data (item, "message");
GtkWidget *widget;
widget = gtk_label_new (message);
return widget;
}
static guint
get_number (GObject *item)
{
return GPOINTER_TO_UINT (g_object_get_data (item, "counter")) % 1000;
}
static void
add (GListStore *store)
{
static guint counter;
GObject *o;
char *message;
guint pos;
counter++;
o = g_object_new (G_TYPE_OBJECT, NULL);
g_object_set_data (o, "counter", GUINT_TO_POINTER (counter));
message = g_strdup_printf ("Item %u", counter);
g_object_set_data_full (o, "message", message, g_free);
pos = g_random_int_range (0, g_list_model_get_n_items (G_LIST_MODEL (store)) + 1);
g_list_store_insert (store, pos, o);
g_object_unref (o);
}
static void
delete (GListStore *store)
{
guint pos;
pos = g_random_int_range (0, g_list_model_get_n_items (G_LIST_MODEL (store)));
g_list_store_remove (store, pos);
}
static gboolean
do_stuff (gpointer store)
{
if (g_random_int_range (AVERAGE - VARIANCE, AVERAGE + VARIANCE) < g_list_model_get_n_items (store))
delete (store);
else
add (store);
return G_SOURCE_CONTINUE;
}
static gboolean
revert_sort (gpointer sorter)
{
if (gtk_numeric_sorter_get_sort_order (sorter) == GTK_SORT_ASCENDING)
gtk_numeric_sorter_set_sort_order (sorter, GTK_SORT_DESCENDING);
else
gtk_numeric_sorter_set_sort_order (sorter, GTK_SORT_ASCENDING);
return G_SOURCE_CONTINUE;
}
int
main (int argc,
char *argv[])
{
GtkWidget *win, *hbox, *vbox, *sw, *listview, *listbox, *label;
GListStore *store;
GListModel *toplevels;
GtkSortListModel *sort;
GtkSorter *sorter;
guint i;
GtkListItemFactory *factory;
GtkSelectionModel *selection;
gtk_init ();
store = g_list_store_new (G_TYPE_OBJECT);
for (i = 0; i < AVERAGE; i++)
add (store);
sorter = GTK_SORTER (gtk_numeric_sorter_new (gtk_cclosure_expression_new (G_TYPE_UINT, NULL, 0, NULL, (GCallback)get_number, NULL, NULL)));
sort = gtk_sort_list_model_new (G_LIST_MODEL (store), sorter);
win = gtk_window_new ();
gtk_window_set_default_size (GTK_WINDOW (win), 400, 600);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
gtk_window_set_child (GTK_WINDOW (win), hbox);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4);
gtk_box_append (GTK_BOX (hbox), vbox);
label = gtk_label_new ("GtkListView");
gtk_box_append (GTK_BOX (vbox), label);
sw = gtk_scrolled_window_new ();
gtk_widget_set_hexpand (sw, TRUE);
gtk_widget_set_vexpand (sw, TRUE);
gtk_box_append (GTK_BOX (vbox), sw);
factory = gtk_signal_list_item_factory_new ();
g_signal_connect (factory, "setup", G_CALLBACK (setup_list_item), NULL);
g_signal_connect (factory, "bind", G_CALLBACK (bind_list_item), NULL);
listview = gtk_list_view_new (NULL, factory);
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), listview);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4);
gtk_box_append (GTK_BOX (hbox), vbox);
label = gtk_label_new ("GtkListBox");
gtk_box_append (GTK_BOX (vbox), label);
sw = gtk_scrolled_window_new ();
gtk_widget_set_hexpand (sw, TRUE);
gtk_widget_set_vexpand (sw, TRUE);
gtk_box_append (GTK_BOX (vbox), sw);
listbox = gtk_list_box_new ();
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), listbox);
selection = GTK_SELECTION_MODEL (gtk_single_selection_new (G_LIST_MODEL (sort)));
gtk_list_view_set_model (GTK_LIST_VIEW (listview), selection);
g_object_unref (selection);
gtk_list_box_bind_model (GTK_LIST_BOX (listbox),
G_LIST_MODEL (sort),
create_widget_for_listbox,
NULL, NULL);
g_timeout_add (100, do_stuff, store);
g_timeout_add_seconds (3, revert_sort, sorter);
gtk_widget_show (win);
toplevels = gtk_window_get_toplevels ();
while (g_list_model_get_n_items (toplevels))
g_main_context_iteration (NULL, TRUE);
return 0;
}