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128 | #include <ctk/ctk.h>
static void
row_unrevealed (GObject *revealer, GParamSpec *pspec, gpointer data)
{
CtkWidget *row, *list;
row = ctk_widget_get_parent (CTK_WIDGET (revealer));
list = ctk_widget_get_parent (row);
ctk_container_remove (CTK_CONTAINER (list), row);
}
static void
remove_this_row (CtkButton *button, CtkWidget *child)
{
CtkWidget *row, *revealer;
row = ctk_widget_get_parent (child);
revealer = ctk_revealer_new ();
ctk_revealer_set_reveal_child (CTK_REVEALER (revealer), TRUE);
ctk_widget_show (revealer);
ctk_widget_reparent (child, revealer);
ctk_container_add (CTK_CONTAINER (row), revealer);
g_signal_connect (revealer, "notify::child-revealed",
G_CALLBACK (row_unrevealed), NULL);
ctk_revealer_set_reveal_child (CTK_REVEALER (revealer), FALSE);
}
static CtkWidget *create_row (const gchar *label);
static void
row_revealed (GObject *revealer, GParamSpec *pspec, gpointer data)
{
CtkWidget *row, *child;
row = ctk_widget_get_parent (CTK_WIDGET (revealer));
child = ctk_bin_get_child (CTK_BIN (revealer));
g_object_ref (child);
ctk_container_remove (CTK_CONTAINER (revealer), child);
ctk_widget_destroy (CTK_WIDGET (revealer));
ctk_container_add (CTK_CONTAINER (row), child);
g_object_unref (child);
}
static void
add_row_below (CtkButton *button, CtkWidget *child)
{
CtkWidget *revealer, *row, *list;
gint index;
row = ctk_widget_get_parent (child);
index = ctk_list_box_row_get_index (CTK_LIST_BOX_ROW (row));
list = ctk_widget_get_parent (row);
row = create_row ("Extra row");
revealer = ctk_revealer_new ();
ctk_container_add (CTK_CONTAINER (revealer), row);
ctk_widget_show_all (revealer);
g_signal_connect (revealer, "notify::child-revealed",
G_CALLBACK (row_revealed), NULL);
ctk_list_box_insert (CTK_LIST_BOX (list), revealer, index + 1);
ctk_revealer_set_reveal_child (CTK_REVEALER (revealer), TRUE);
}
static void
add_separator (CtkListBoxRow *row, CtkListBoxRow *before, gpointer data)<--- Parameter 'before' can be declared as pointer to const
{
if (!before)
return;
ctk_list_box_row_set_header (row, ctk_separator_new (CTK_ORIENTATION_HORIZONTAL));
}
static CtkWidget *
create_row (const gchar *text)
{
CtkWidget *row, *label, *button;
row = ctk_box_new (CTK_ORIENTATION_HORIZONTAL, 10);
label = ctk_label_new (text);
ctk_container_add (CTK_CONTAINER (row), label);
button = ctk_button_new_with_label ("x");
ctk_widget_set_hexpand (button, TRUE);
ctk_widget_set_halign (button, CTK_ALIGN_END);
ctk_widget_set_valign (button, CTK_ALIGN_CENTER);
ctk_container_add (CTK_CONTAINER (row), button);
g_signal_connect (button, "clicked", G_CALLBACK (remove_this_row), row);
button = ctk_button_new_with_label ("+");
ctk_widget_set_valign (button, CTK_ALIGN_CENTER);
ctk_container_add (CTK_CONTAINER (row), button);
g_signal_connect (button, "clicked", G_CALLBACK (add_row_below), row);
return row;
}
int main (int argc, char *argv[])
{
CtkWidget *window, *list, *sw;
gint i;
ctk_init (NULL, NULL);
window = ctk_window_new (CTK_WINDOW_TOPLEVEL);
ctk_window_set_default_size (CTK_WINDOW (window), 300, 300);
list = ctk_list_box_new ();
ctk_list_box_set_selection_mode (CTK_LIST_BOX (list), CTK_SELECTION_NONE);
ctk_list_box_set_header_func (CTK_LIST_BOX (list), add_separator, NULL, NULL);<--- You might need to cast the function pointer here
sw = ctk_scrolled_window_new (NULL, NULL);
ctk_container_add (CTK_CONTAINER (window), sw);
ctk_container_add (CTK_CONTAINER (sw), list);
for (i = 0; i < 20; i++)
{
CtkWidget *row;
gchar *text;<--- Variable 'text' can be declared as pointer to const
text = g_strdup_printf ("Row %d", i);
row = create_row (text);
ctk_list_box_insert (CTK_LIST_BOX (list), row, -1);
}
ctk_widget_show_all (window);
ctk_main ();
return 0;
}
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