gtk/tests/testlist3.c
Matthias Clasen ccc4fb8512 Improve list selection example
Print out signals, so we see how often they are emitted.
2014-04-06 01:44:38 -04:00

106 lines
3.2 KiB
C

#include <gtk/gtk.h>
static GtkWidget *
create_row (const gchar *text)
{
GtkWidget *row, *box, *label;
row = gtk_list_box_row_new ();
box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
label = gtk_label_new (text);
gtk_container_add (GTK_CONTAINER (row), box);
gtk_container_add (GTK_CONTAINER (box), label);
return row;
}
static void
on_row_activated (GtkListBox *self,
GtkWidget *child)
{
const char *id;
id = g_object_get_data (G_OBJECT (gtk_bin_get_child (GTK_BIN (child))), "id");
g_message ("Row activated %p: %s", child, id);
}
static void
on_selected_children_changed (GtkListBox *self)
{
g_message ("Selection changed");
}
static void
a11y_selection_changed (AtkObject *obj)
{
g_message ("Accessible selection changed");
}
static void
selection_mode_changed (GtkComboBox *combo, gpointer data)
{
GtkListBox *list = data;
gtk_list_box_set_selection_mode (list, gtk_combo_box_get_active (combo));
}
int
main (int argc, char *argv[])
{
GtkWidget *window, *list, *sw, *row;
GtkWidget *hbox, *vbox, *combo, *button;
gint i;
gchar *text;
gtk_init (NULL, NULL);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size (GTK_WINDOW (window), -1, 300);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12);
gtk_container_add (GTK_CONTAINER (window), hbox);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
g_object_set (vbox, "margin", 12, NULL);
gtk_container_add (GTK_CONTAINER (hbox), vbox);
list = gtk_list_box_new ();
gtk_list_box_set_selection_mode (GTK_LIST_BOX (list), GTK_SELECTION_NONE);
g_signal_connect (list, "row-activated", G_CALLBACK (on_row_activated), NULL);
g_signal_connect (list, "selected-rows-changed", G_CALLBACK (on_selected_children_changed), NULL);
g_signal_connect (gtk_widget_get_accessible (list), "selection-changed", G_CALLBACK (a11y_selection_changed), NULL);
sw = gtk_scrolled_window_new (NULL, NULL);
gtk_widget_set_hexpand (sw, TRUE);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw), GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);
gtk_container_add (GTK_CONTAINER (hbox), sw);
gtk_container_add (GTK_CONTAINER (sw), list);
button = gtk_check_button_new_with_label ("Activate on single click");
g_object_bind_property (list, "activate-on-single-click",
button, "active",
G_BINDING_BIDIRECTIONAL | G_BINDING_SYNC_CREATE);
gtk_container_add (GTK_CONTAINER (vbox), button);
combo = gtk_combo_box_text_new ();
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "None");
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Single");
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Browse");
gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (combo), "Multiple");
g_signal_connect (combo, "changed", G_CALLBACK (selection_mode_changed), list);
gtk_container_add (GTK_CONTAINER (vbox), combo);
gtk_combo_box_set_active (GTK_COMBO_BOX (combo), gtk_list_box_get_selection_mode (GTK_LIST_BOX (list)));
for (i = 0; i < 20; i++)
{
text = g_strdup_printf ("Row %d", i);
row = create_row (text);
gtk_list_box_insert (GTK_LIST_BOX (list), row, -1);
}
gtk_widget_show_all (window);
gtk_main ();
return 0;
}