mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-11-14 04:31:09 +00:00
386b63b85d
In 99.9% of all cases, these are just NULL, NULL. So just do away with these arguments, people can use the setters for the rare cases where they want the scrolled window to use a different adjustment.
143 lines
3.9 KiB
C
143 lines
3.9 KiB
C
#include <gtk/gtk.h>
|
|
|
|
static void
|
|
row_unrevealed (GObject *revealer, GParamSpec *pspec, gpointer data)
|
|
{
|
|
GtkWidget *row, *list;
|
|
|
|
row = gtk_widget_get_parent (GTK_WIDGET (revealer));
|
|
list = gtk_widget_get_parent (row);
|
|
|
|
gtk_list_box_remove (GTK_LIST_BOX (list), row);
|
|
}
|
|
|
|
static void
|
|
remove_this_row (GtkButton *button, GtkWidget *child)
|
|
{
|
|
GtkWidget *row, *revealer;
|
|
|
|
row = gtk_widget_get_parent (child);
|
|
revealer = gtk_revealer_new ();
|
|
gtk_revealer_set_reveal_child (GTK_REVEALER (revealer), TRUE);
|
|
g_object_ref (child);
|
|
gtk_box_remove (GTK_BOX (gtk_widget_get_parent (child)), child);
|
|
gtk_revealer_set_child (GTK_REVEALER (revealer), child);
|
|
g_object_unref (child);
|
|
gtk_box_append (GTK_BOX (row), revealer);
|
|
g_signal_connect (revealer, "notify::child-revealed",
|
|
G_CALLBACK (row_unrevealed), NULL);
|
|
gtk_revealer_set_reveal_child (GTK_REVEALER (revealer), FALSE);
|
|
}
|
|
|
|
static GtkWidget *create_row (const gchar *label);
|
|
|
|
static void
|
|
row_revealed (GObject *revealer, GParamSpec *pspec, gpointer data)
|
|
{
|
|
GtkWidget *row, *child;
|
|
|
|
row = gtk_widget_get_parent (GTK_WIDGET (revealer));
|
|
child = gtk_revealer_get_child (GTK_REVEALER (revealer));
|
|
g_object_ref (child);
|
|
gtk_revealer_set_child (GTK_REVEALER (revealer), NULL);
|
|
|
|
gtk_widget_unparent (GTK_WIDGET (revealer));
|
|
gtk_box_append (GTK_BOX (row), child);
|
|
g_object_unref (child);
|
|
}
|
|
|
|
static void
|
|
add_row_below (GtkButton *button, GtkWidget *child)
|
|
{
|
|
GtkWidget *revealer, *row, *list;
|
|
gint index;
|
|
|
|
row = gtk_widget_get_parent (child);
|
|
index = gtk_list_box_row_get_index (GTK_LIST_BOX_ROW (row));
|
|
list = gtk_widget_get_parent (row);
|
|
row = create_row ("Extra row");
|
|
revealer = gtk_revealer_new ();
|
|
gtk_revealer_set_child (GTK_REVEALER (revealer), row);
|
|
g_signal_connect (revealer, "notify::child-revealed",
|
|
G_CALLBACK (row_revealed), NULL);
|
|
gtk_list_box_insert (GTK_LIST_BOX (list), revealer, index + 1);
|
|
gtk_revealer_set_reveal_child (GTK_REVEALER (revealer), TRUE);
|
|
}
|
|
|
|
static void
|
|
add_separator (GtkListBoxRow *row, GtkListBoxRow *before, gpointer data)
|
|
{
|
|
if (!before)
|
|
return;
|
|
|
|
gtk_list_box_row_set_header (row, gtk_separator_new (GTK_ORIENTATION_HORIZONTAL));
|
|
}
|
|
|
|
static GtkWidget *
|
|
create_row (const gchar *text)
|
|
{
|
|
GtkWidget *row, *label, *button;
|
|
|
|
row = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
|
|
label = gtk_label_new (text);
|
|
gtk_box_append (GTK_BOX (row), label);
|
|
button = gtk_button_new_with_label ("x");
|
|
gtk_widget_set_hexpand (button, TRUE);
|
|
gtk_widget_set_halign (button, GTK_ALIGN_END);
|
|
gtk_widget_set_valign (button, GTK_ALIGN_CENTER);
|
|
gtk_box_append (GTK_BOX (row), button);
|
|
g_signal_connect (button, "clicked", G_CALLBACK (remove_this_row), row);
|
|
button = gtk_button_new_with_label ("+");
|
|
gtk_widget_set_valign (button, GTK_ALIGN_CENTER);
|
|
gtk_box_append (GTK_BOX (row), button);
|
|
g_signal_connect (button, "clicked", G_CALLBACK (add_row_below), row);
|
|
|
|
return row;
|
|
}
|
|
|
|
static void
|
|
quit_cb (GtkWidget *widget,
|
|
gpointer data)
|
|
{
|
|
gboolean *done = data;
|
|
|
|
*done = TRUE;
|
|
|
|
g_main_context_wakeup (NULL);
|
|
}
|
|
|
|
int main (int argc, char *argv[])
|
|
{
|
|
GtkWidget *window, *list, *sw, *row;
|
|
gint i;
|
|
gchar *text;
|
|
gboolean done = FALSE;
|
|
|
|
gtk_init ();
|
|
|
|
window = gtk_window_new ();
|
|
gtk_window_set_default_size (GTK_WINDOW (window), 300, 300);
|
|
|
|
list = gtk_list_box_new ();
|
|
gtk_list_box_set_selection_mode (GTK_LIST_BOX (list), GTK_SELECTION_NONE);
|
|
gtk_list_box_set_header_func (GTK_LIST_BOX (list), add_separator, NULL, NULL);
|
|
sw = gtk_scrolled_window_new ();
|
|
gtk_window_set_child (GTK_WINDOW (window), sw);
|
|
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), 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);
|
|
}
|
|
|
|
g_signal_connect (window, "destroy", G_CALLBACK (quit_cb), &done);
|
|
gtk_widget_show (window);
|
|
|
|
while (!done)
|
|
g_main_context_iteration (NULL, TRUE);
|
|
|
|
return 0;
|
|
}
|