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WIP: on_selection_change() affiche le premier élement ayant changé d'état et le nombre d'éléments ayant changé d'état

This commit is contained in:
Jean Sirmai 2024-01-22 21:11:51 +01:00
parent 556a7f0c69
commit baf6263d15
Signed by: jean
GPG Key ID: FB3115C340E057E3
1 changed files with 20 additions and 5 deletions
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25
src/ui/sand_box.c
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@ -30,21 +30,29 @@
static void on_destroy (GtkWidget *widget, gpointer data) {if (data) g_print (data); exit(0);}
static void setup_cb (GtkSignalListItemFactory *self, GtkListItem *my_list_item, gpointer user_data) {
static void setup_cb (GtkSignalListItemFactory *self, GtkListItem *my_list_item, gpointer user_data)
{
GtkWidget *my_label = gtk_label_new (NULL);
gtk_list_item_set_child (my_list_item, my_label);
/* Because gtk_list_item_set_child sunk the floating reference of my_label, releasing (unref) isn't necessary for my_label. */
}
static void bind_cb (GtkSignalListItemFactory *self, GtkListItem *my_list_item, gpointer user_data) {
static void bind_cb (GtkSignalListItemFactory *self, GtkListItem *my_list_item, gpointer user_data)
{
GtkWidget *my_label = gtk_list_item_get_child (my_list_item);
/* Strobj is owned by the instance. Caller mustn't change or destroy it. */
GtkStringObject *my_string_object = gtk_list_item_get_item (my_list_item);
/* The string returned by gtk_string_object_get_string is owned by the instance. */
printf("%s\n", gtk_string_object_get_string (my_string_object));
//printf("%s\n", gtk_string_object_get_string (my_string_object));
gtk_label_set_text (GTK_LABEL (my_label), gtk_string_object_get_string (my_string_object));
}
static void on_selection_change (GtkSelectionModel* self, guint position, guint n_items, gpointer user_data)
{
printf("Premier élement ayant changé d'état : %d (%d ont changé d'état)\n", position, n_items);
}
enum { COLUMN_DESCRIPTION };
static void and_now_let_s_climb_that_tree (GtkWidget *in_that_box)
{
@ -54,7 +62,7 @@ static void and_now_let_s_climb_that_tree (GtkWidget *in_that_box)
GtkStringList *my_string_list = gtk_string_list_new ((const char * const *) my_array);
GtkSingleSelection *my_selection_model = gtk_single_selection_new (G_LIST_MODEL (my_string_list));
GtkMultiSelection *my_selection_model = gtk_multi_selection_new (G_LIST_MODEL (my_string_list));
if (gtk_single_selection_get_selected_item (my_selection_model))
gtk_selection_model_selection_changed (my_selection_model, 0, 1);
@ -63,6 +71,13 @@ static void and_now_let_s_climb_that_tree (GtkWidget *in_that_box)
GtkListItemFactory *my_factory = gtk_signal_list_item_factory_new ();
g_signal_connect (my_factory, "setup", G_CALLBACK (setup_cb), NULL);
g_signal_connect (my_factory, "bind", G_CALLBACK (bind_cb), NULL);
g_signal_connect (my_selection_model, "selection-changed", G_CALLBACK (on_selection_change), NULL);
GtkWidget *treeview;
treeview = gtk_tree_view_new_with_model (my_selection_model);
gtk_widget_set_vexpand (treeview, TRUE);
gtk_tree_view_set_search_column (GTK_TREE_VIEW (treeview),
COLUMN_DESCRIPTION);
GtkWidget *my_list_view = gtk_list_view_new (GTK_SELECTION_MODEL (my_selection_model), my_factory);
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (in_that_box), my_list_view);
@ -81,7 +96,7 @@ void on_activate_window_creation (GtkApplication *app, gpointer data) {
and_now_let_s_climb_that_tree (my_scrolling_thing);
if (data) {g_print (data); g_print (" and is displayed by [sand_box.c > on_activate_window_creation()]\n");}
if (data) {g_print (data); g_print (" and is displayed by [sand_box.c / on_activate_window_creation()]\n");}
}
//------------------------------------------------------------------------------