Learning_GTK4_tree/testsuite/gtk/widgetorder.c

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2023-12-12 11:36:42 +01:00
#include <gtk/gtk.h>
static void
simple (void)
{
GtkWidget *box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
GtkWidget *l = gtk_label_new ("");
gtk_box_append (GTK_BOX (box), l);
g_assert_true (gtk_widget_get_parent (l) == box);
g_assert_null (gtk_widget_get_prev_sibling (l));
g_assert_null (gtk_widget_get_next_sibling (l));
g_assert_null (gtk_widget_get_first_child (l));
g_assert_null (gtk_widget_get_last_child (l));
g_assert_true (gtk_widget_get_first_child (box) == l);
g_assert_true (gtk_widget_get_last_child (box) == l);
}
static void
two (void)
{
GtkWidget *box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
GtkWidget *l1 = gtk_label_new ("");
GtkWidget *l2 = gtk_label_new ("");
gtk_box_append (GTK_BOX (box), l1);
gtk_box_append (GTK_BOX (box), l2);
g_assert_true (gtk_widget_get_parent (l1) == box);
g_assert_null (gtk_widget_get_prev_sibling (l1));
g_assert_true (gtk_widget_get_next_sibling (l1) == l2);
g_assert_true (gtk_widget_get_parent (l2) == box);
g_assert_true (gtk_widget_get_prev_sibling (l2) == l1);
g_assert_null (gtk_widget_get_next_sibling (l2));
g_assert_true (gtk_widget_get_first_child (box) == l1);
g_assert_true (gtk_widget_get_last_child (box) == l2);
}
static void
prepend (void)
{
GtkWidget *p = gtk_label_new ("");
GtkWidget *l1 = gtk_label_new ("");
GtkWidget *l2 = gtk_label_new ("");
gtk_widget_set_parent (l1, p);
gtk_widget_insert_after (l2, p, NULL);
/* l2 should now be *before* l1 */
g_assert_true (gtk_widget_get_parent (l1) == p);
g_assert_true (gtk_widget_get_prev_sibling (l1) == l2);
g_assert_null (gtk_widget_get_next_sibling (l1));
g_assert_true (gtk_widget_get_parent (l2) == p);
g_assert_null (gtk_widget_get_prev_sibling (l2));
g_assert_true (gtk_widget_get_next_sibling (l2) == l1);
g_assert_true (gtk_widget_get_first_child (p) == l2);
g_assert_true (gtk_widget_get_last_child (p) == l1);
}
static void
append (void)
{
GtkWidget *p = gtk_label_new ("");
GtkWidget *l1 = gtk_label_new ("");
GtkWidget *l2 = gtk_label_new ("");
gtk_widget_set_parent (l1, p);
gtk_widget_insert_before (l2, p, NULL);
g_assert_true (gtk_widget_get_parent (l1) == p);
g_assert_null (gtk_widget_get_prev_sibling (l1));
g_assert_true (gtk_widget_get_next_sibling (l1) == l2);
g_assert_true (gtk_widget_get_parent (l2) == p);
g_assert_true (gtk_widget_get_prev_sibling (l2) == l1);
g_assert_null (gtk_widget_get_next_sibling (l2));
g_assert_true (gtk_widget_get_first_child (p) == l1);
g_assert_true (gtk_widget_get_last_child (p) == l2);
}
static void
insert_after (void)
{
GtkWidget *p = gtk_label_new ("");
GtkWidget *l1 = gtk_label_new ("");
GtkWidget *l2 = gtk_label_new ("");
GtkWidget *l3 = gtk_label_new ("");
gtk_widget_set_parent (l1, p);
gtk_widget_set_parent (l3, p);
g_assert_true (gtk_widget_get_parent (l1) == p);
g_assert_null (gtk_widget_get_prev_sibling (l1));
g_assert_true (gtk_widget_get_next_sibling (l1) == l3);
g_assert_true (gtk_widget_get_parent (l3) == p);
g_assert_true (gtk_widget_get_prev_sibling (l3) == l1);
g_assert_null (gtk_widget_get_next_sibling (l3));
g_assert_true (gtk_widget_get_first_child (p) == l1);
g_assert_true (gtk_widget_get_last_child (p) == l3);
/* Now add l2 between l1 and l3 */
gtk_widget_insert_after (l2, p, l1);
g_assert_true (gtk_widget_get_next_sibling (l1) == l2);
g_assert_true (gtk_widget_get_parent (l2) == p);
g_assert_true (gtk_widget_get_prev_sibling (l2) == l1);
g_assert_true (gtk_widget_get_next_sibling (l2) == l3);
g_assert_true (gtk_widget_get_prev_sibling (l3) == l2);
g_assert_true (gtk_widget_get_first_child (p) == l1);
g_assert_true (gtk_widget_get_last_child (p) == l3);
}
static void
insert_before (void)
{
GtkWidget *p = gtk_label_new ("");
GtkWidget *l1 = gtk_label_new ("");
GtkWidget *l2 = gtk_label_new ("");
GtkWidget *l3 = gtk_label_new ("");
gtk_widget_set_parent (l1, p);
gtk_widget_set_parent (l3, p);
g_assert_true (gtk_widget_get_parent (l1) == p);
g_assert_null (gtk_widget_get_prev_sibling (l1));
g_assert_true (gtk_widget_get_next_sibling (l1) == l3);
g_assert_true (gtk_widget_get_parent (l3) == p);
g_assert_true (gtk_widget_get_prev_sibling (l3) == l1);
g_assert_null (gtk_widget_get_next_sibling (l3));
g_assert_true (gtk_widget_get_first_child (p) == l1);
g_assert_true (gtk_widget_get_last_child (p) == l3);
/* Now add l2 between l1 and l3 */
gtk_widget_insert_before (l2, p, l3);
g_assert_true (gtk_widget_get_next_sibling (l1) == l2);
g_assert_true (gtk_widget_get_parent (l2) == p);
g_assert_true (gtk_widget_get_prev_sibling (l2) == l1);
g_assert_true (gtk_widget_get_next_sibling (l2) == l3);
g_assert_true (gtk_widget_get_prev_sibling (l3) == l2);
g_assert_true (gtk_widget_get_first_child (p) == l1);
g_assert_true (gtk_widget_get_last_child (p) == l3);
}
static void
insert_after_self (void)
{
GtkWidget *p = gtk_label_new ("");
GtkWidget *l = gtk_label_new ("");
gtk_widget_insert_after (l, p, NULL);
g_assert_true (gtk_widget_get_parent (l) == p);
g_assert_null (gtk_widget_get_prev_sibling (l));
g_assert_null (gtk_widget_get_next_sibling (l));
g_assert_null (gtk_widget_get_first_child (l));
g_assert_null (gtk_widget_get_last_child (l));
g_assert_true (gtk_widget_get_first_child (p) == l);
g_assert_true (gtk_widget_get_last_child (p) == l);
/* Insert l after l */
gtk_widget_insert_after (l, p, l);
g_assert_true (gtk_widget_get_parent (l) == p);
g_assert_null (gtk_widget_get_prev_sibling (l));
g_assert_null (gtk_widget_get_next_sibling (l));
g_assert_null (gtk_widget_get_first_child (l));
g_assert_null (gtk_widget_get_last_child (l));
g_assert_true (gtk_widget_get_first_child (p) == l);
g_assert_true (gtk_widget_get_last_child (p) == l);
}
static void
insert_before_self (void)
{
GtkWidget *p = gtk_label_new ("");
GtkWidget *l = gtk_label_new ("");
gtk_widget_insert_before (l, p, NULL);
g_assert_true (gtk_widget_get_parent (l) == p);
g_assert_null (gtk_widget_get_prev_sibling (l));
g_assert_null (gtk_widget_get_next_sibling (l));
g_assert_null (gtk_widget_get_first_child (l));
g_assert_null (gtk_widget_get_last_child (l));
g_assert_true (gtk_widget_get_first_child (p) == l);
g_assert_true (gtk_widget_get_last_child (p) == l);
/* Insert l before l */
gtk_widget_insert_before (l, p, l);
g_assert_true (gtk_widget_get_parent (l) == p);
g_assert_null (gtk_widget_get_prev_sibling (l));
g_assert_null (gtk_widget_get_next_sibling (l));
g_assert_null (gtk_widget_get_first_child (l));
g_assert_null (gtk_widget_get_last_child (l));
g_assert_true (gtk_widget_get_first_child (p) == l);
g_assert_true (gtk_widget_get_last_child (p) == l);
}
static void
reorder_after (void)
{
GtkWidget *p = gtk_label_new ("");
GtkWidget *l1 = gtk_label_new ("");
GtkWidget *l2 = gtk_label_new ("");
GtkWidget *l3 = gtk_label_new ("");
gtk_widget_set_parent (l1, p);
gtk_widget_set_parent (l3, p);
g_assert_true (gtk_widget_get_parent (l1) == p);
g_assert_null (gtk_widget_get_prev_sibling (l1));
g_assert_true (gtk_widget_get_next_sibling (l1) == l3);
g_assert_true (gtk_widget_get_parent (l3) == p);
g_assert_true (gtk_widget_get_prev_sibling (l3) == l1);
g_assert_null (gtk_widget_get_next_sibling (l3));
g_assert_true (gtk_widget_get_first_child (p) == l1);
g_assert_true (gtk_widget_get_last_child (p) == l3);
/* Now add l2 between l1 and l3 */
gtk_widget_insert_before (l2, p, l3);
g_assert_true (gtk_widget_get_next_sibling (l1) == l2);
g_assert_true (gtk_widget_get_parent (l2) == p);
g_assert_true (gtk_widget_get_prev_sibling (l2) == l1);
g_assert_true (gtk_widget_get_next_sibling (l2) == l3);
g_assert_true (gtk_widget_get_prev_sibling (l3) == l2);
g_assert_true (gtk_widget_get_first_child (p) == l1);
g_assert_true (gtk_widget_get_last_child (p) == l3);
/* The order is now l1, l2, l3. Now reorder l3 after l1 so
* the correct order is l1, l3, l2 */
gtk_widget_insert_after (l3, p, l1);
g_assert_null (gtk_widget_get_prev_sibling (l1));
g_assert_true (gtk_widget_get_next_sibling (l1) == l3);
g_assert_true (gtk_widget_get_prev_sibling (l3) == l1);
g_assert_true (gtk_widget_get_next_sibling (l3) == l2);
g_assert_true (gtk_widget_get_prev_sibling (l2) == l3);
g_assert_null (gtk_widget_get_next_sibling (l2));
g_assert_true (gtk_widget_get_first_child (p) == l1);
g_assert_true (gtk_widget_get_last_child (p) == l2);
}
static void
reorder_before (void)
{
GtkWidget *p = gtk_label_new ("");
GtkWidget *l1 = gtk_label_new ("");
GtkWidget *l2 = gtk_label_new ("");
GtkWidget *l3 = gtk_label_new ("");
gtk_widget_set_parent (l1, p);
gtk_widget_set_parent (l3, p);
g_assert_true (gtk_widget_get_parent (l1) == p);
g_assert_null (gtk_widget_get_prev_sibling (l1));
g_assert_true (gtk_widget_get_next_sibling (l1) == l3);
g_assert_true (gtk_widget_get_parent (l3) == p);
g_assert_true (gtk_widget_get_prev_sibling (l3) == l1);
g_assert_null (gtk_widget_get_next_sibling (l3));
g_assert_true (gtk_widget_get_first_child (p) == l1);
g_assert_true (gtk_widget_get_last_child (p) == l3);
/* Now add l2 between l1 and l3 */
gtk_widget_insert_before (l2, p, l3);
g_assert_true (gtk_widget_get_next_sibling (l1) == l2);
g_assert_true (gtk_widget_get_parent (l2) == p);
g_assert_true (gtk_widget_get_prev_sibling (l2) == l1);
g_assert_true (gtk_widget_get_next_sibling (l2) == l3);
g_assert_true (gtk_widget_get_prev_sibling (l3) == l2);
g_assert_true (gtk_widget_get_first_child (p) == l1);
g_assert_true (gtk_widget_get_last_child (p) == l3);
/* The order is now l1, l2, l3. Now reorder l3 before l2 so
* the correct order is l1, l3, l2 */
gtk_widget_insert_before (l3, p, l2);
g_assert_null (gtk_widget_get_prev_sibling (l1));
g_assert_true (gtk_widget_get_next_sibling (l1) == l3);
g_assert_true (gtk_widget_get_prev_sibling (l3) == l1);
g_assert_true (gtk_widget_get_next_sibling (l3) == l2);
g_assert_true (gtk_widget_get_prev_sibling (l2) == l3);
g_assert_null (gtk_widget_get_next_sibling (l2));
g_assert_true (gtk_widget_get_first_child (p) == l1);
g_assert_true (gtk_widget_get_last_child (p) == l2);
}
static void
reorder_start (void)
{
GtkWidget *p = gtk_label_new ("");
GtkWidget *l1 = gtk_label_new ("");
GtkWidget *l2 = gtk_label_new ("");
GtkWidget *l3 = gtk_label_new ("");
gtk_widget_set_parent (l1, p);
gtk_widget_set_parent (l3, p);
g_assert_true (gtk_widget_get_parent (l1) == p);
g_assert_null (gtk_widget_get_prev_sibling (l1));
g_assert_true (gtk_widget_get_next_sibling (l1) == l3);
g_assert_true (gtk_widget_get_parent (l3) == p);
g_assert_true (gtk_widget_get_prev_sibling (l3) == l1);
g_assert_null (gtk_widget_get_next_sibling (l3));
g_assert_true (gtk_widget_get_first_child (p) == l1);
g_assert_true (gtk_widget_get_last_child (p) == l3);
/* Now add l2 between l1 and l3 */
gtk_widget_insert_before (l2, p, l3);
g_assert_true (gtk_widget_get_next_sibling (l1) == l2);
g_assert_true (gtk_widget_get_parent (l2) == p);
g_assert_true (gtk_widget_get_prev_sibling (l2) == l1);
g_assert_true (gtk_widget_get_next_sibling (l2) == l3);
g_assert_true (gtk_widget_get_prev_sibling (l3) == l2);
g_assert_true (gtk_widget_get_first_child (p) == l1);
g_assert_true (gtk_widget_get_last_child (p) == l3);
/* The order is now l1, l2, l3. Now reorder l3 to the start so
* the correct order is l3, l1, l2 */
gtk_widget_insert_after (l3, p, NULL);
g_assert_true (gtk_widget_get_prev_sibling (l1) == l3);
g_assert_true (gtk_widget_get_next_sibling (l1) == l2);
g_assert_null (gtk_widget_get_prev_sibling (l3));
g_assert_true (gtk_widget_get_next_sibling (l3) == l1);
g_assert_true (gtk_widget_get_prev_sibling (l2) == l1);
g_assert_null (gtk_widget_get_next_sibling (l2));
g_assert_true (gtk_widget_get_first_child (p) == l3);
g_assert_true (gtk_widget_get_last_child (p) == l2);
}
static void
reorder_end (void)
{
GtkWidget *p = gtk_label_new ("");
GtkWidget *l1 = gtk_label_new ("");
GtkWidget *l2 = gtk_label_new ("");
GtkWidget *l3 = gtk_label_new ("");
gtk_widget_set_parent (l1, p);
gtk_widget_set_parent (l3, p);
g_assert_true (gtk_widget_get_parent (l1) == p);
g_assert_null (gtk_widget_get_prev_sibling (l1));
g_assert_true (gtk_widget_get_next_sibling (l1) == l3);
g_assert_true (gtk_widget_get_parent (l3) == p);
g_assert_true (gtk_widget_get_prev_sibling (l3) == l1);
g_assert_null (gtk_widget_get_next_sibling (l3));
g_assert_true (gtk_widget_get_first_child (p) == l1);
g_assert_true (gtk_widget_get_last_child (p) == l3);
/* Now add l2 between l1 and l3 */
gtk_widget_insert_before (l2, p, l3);
g_assert_true (gtk_widget_get_next_sibling (l1) == l2);
g_assert_true (gtk_widget_get_parent (l2) == p);
g_assert_true (gtk_widget_get_prev_sibling (l2) == l1);
g_assert_true (gtk_widget_get_next_sibling (l2) == l3);
g_assert_true (gtk_widget_get_prev_sibling (l3) == l2);
g_assert_true (gtk_widget_get_first_child (p) == l1);
g_assert_true (gtk_widget_get_last_child (p) == l3);
/* The order is now l1, l2, l3. Now reorder l1 to the end so
* the correct order is l2, l3, l1 */
gtk_widget_insert_before (l1, p, NULL);
g_assert_true (gtk_widget_get_prev_sibling (l1) == l3);
g_assert_null (gtk_widget_get_next_sibling (l1));
g_assert_true (gtk_widget_get_prev_sibling (l3) == l2);
g_assert_true (gtk_widget_get_next_sibling (l3) == l1);
g_assert_null (gtk_widget_get_prev_sibling (l2));
g_assert_true (gtk_widget_get_next_sibling (l2) == l3);
g_assert_true (gtk_widget_get_first_child (p) == l2);
g_assert_true (gtk_widget_get_last_child (p) == l1);
}
static void
same_after (void)
{
GtkWidget *p = gtk_label_new ("");
GtkWidget *l1 = gtk_label_new ("");
GtkWidget *l2 = gtk_label_new ("");
gtk_widget_set_parent (l1, p);
gtk_widget_set_parent (l2, p);
g_assert_true (gtk_widget_get_parent (l1) == p);
g_assert_null (gtk_widget_get_prev_sibling (l1));
g_assert_true (gtk_widget_get_next_sibling (l1) == l2);
g_assert_true (gtk_widget_get_parent (l2) == p);
g_assert_true (gtk_widget_get_prev_sibling (l2) == l1);
g_assert_null (gtk_widget_get_next_sibling (l2));
g_assert_true (gtk_widget_get_first_child (p) == l1);
g_assert_true (gtk_widget_get_last_child (p) == l2);
/* l2 is already after l1, so this shouldn't change anything! */
gtk_widget_insert_after (l2, p, l1);
g_assert_true (gtk_widget_get_prev_sibling (l2) == l1);
g_assert_null (gtk_widget_get_next_sibling (l2));
g_assert_null (gtk_widget_get_prev_sibling (l1));
g_assert_true (gtk_widget_get_next_sibling (l1) == l2);
g_assert_true (gtk_widget_get_first_child (p) == l1);
g_assert_true (gtk_widget_get_last_child (p) == l2);
}
static void
same_before (void)
{
GtkWidget *p = gtk_label_new ("");
GtkWidget *l1 = gtk_label_new ("");
GtkWidget *l2 = gtk_label_new ("");
gtk_widget_set_parent (l1, p);
gtk_widget_set_parent (l2, p);
g_assert_true (gtk_widget_get_parent (l1) == p);
g_assert_null (gtk_widget_get_prev_sibling (l1));
g_assert_true (gtk_widget_get_next_sibling (l1) == l2);
g_assert_true (gtk_widget_get_parent (l2) == p);
g_assert_true (gtk_widget_get_prev_sibling (l2) == l1);
g_assert_null (gtk_widget_get_next_sibling (l2));
g_assert_true (gtk_widget_get_first_child (p) == l1);
g_assert_true (gtk_widget_get_last_child (p) == l2);
/* l1 is already before l2, so this shouldn't change anything! */
gtk_widget_insert_before (l1, p, l2);
g_assert_true (gtk_widget_get_prev_sibling (l2) == l1);
g_assert_null (gtk_widget_get_next_sibling (l2));
g_assert_null (gtk_widget_get_prev_sibling (l1));
g_assert_true (gtk_widget_get_next_sibling (l1) == l2);
g_assert_true (gtk_widget_get_first_child (p) == l1);
g_assert_true (gtk_widget_get_last_child (p) == l2);
}
static void
no_loop (void)
{
GtkWidget *p = gtk_label_new ("");
GtkWidget *l1 = gtk_label_new ("");
GtkWidget *l2 = gtk_label_new ("");
GtkWidget *l3 = gtk_label_new ("");
gtk_widget_set_parent (l1, p);
gtk_widget_set_parent (l2, p);
gtk_widget_set_parent (l3, p);
/* l1 -> l2 -> l3 */
gtk_widget_insert_after (l1, p, l3);
/* Now: l2 -> l3 -> l1 */
g_assert_null (gtk_widget_get_prev_sibling (l2));
g_assert_true (gtk_widget_get_next_sibling (l2) == l3);
g_assert_true (gtk_widget_get_next_sibling (l3) == l1);
g_assert_null (gtk_widget_get_next_sibling (l1));
g_assert_true (gtk_widget_get_prev_sibling (l1) == l3);
gtk_widget_insert_after (l2, p, l1);
/* Now: l3 -> l1 -> l2 */
g_assert_null (gtk_widget_get_prev_sibling (l3));
g_assert_true (gtk_widget_get_next_sibling (l3) == l1);
g_assert_true (gtk_widget_get_next_sibling (l1) == l2);
g_assert_true (gtk_widget_get_prev_sibling (l1) == l3);
g_assert_true (gtk_widget_get_prev_sibling (l2) == l1);
g_assert_null (gtk_widget_get_next_sibling (l2));
gtk_widget_insert_after (l1, p, NULL);
/* Now: l1 -> l3 -> l2 */
g_assert_null (gtk_widget_get_prev_sibling (l1));
g_assert_true (gtk_widget_get_next_sibling (l1) == l3);
g_assert_true (gtk_widget_get_next_sibling (l3) == l2);
g_assert_true (gtk_widget_get_prev_sibling (l3) == l1);
g_assert_true (gtk_widget_get_prev_sibling (l2) == l3);
g_assert_null (gtk_widget_get_next_sibling (l2));
}
static void
reorder_refcount (void)
{
GtkWidget *p = gtk_label_new ("");
GtkWidget *l1 = gtk_label_new ("");
GtkWidget *l2 = gtk_label_new ("");
g_assert_true (g_object_is_floating (l1));
g_assert_cmpint (G_OBJECT (l1)->ref_count, ==, 1);
gtk_widget_set_parent (l1, p);
g_assert_true (!g_object_is_floating (l1));
g_assert_cmpint (G_OBJECT (l1)->ref_count, ==, 1);
g_assert_true (g_object_is_floating (l2));
g_assert_cmpint (G_OBJECT (l2)->ref_count, ==, 1);
gtk_widget_set_parent (l2, p);
g_assert_true (!g_object_is_floating (l2));
g_assert_cmpint (G_OBJECT (l2)->ref_count, ==, 1);
g_assert_true (gtk_widget_get_next_sibling (l1) == l2);
gtk_widget_insert_before (l2, p, l1);
g_assert_true (gtk_widget_get_prev_sibling (l1) == l2);
g_assert_cmpint (G_OBJECT (l1)->ref_count, ==, 1);
g_assert_cmpint (G_OBJECT (l2)->ref_count, ==, 1);
gtk_widget_unparent (l1);
gtk_widget_unparent (l2);
g_object_unref (g_object_ref_sink (p));
}
int
main (int argc, char **argv)
{
gtk_init ();
(g_test_init) (&argc, &argv, NULL);
g_test_add_func ("/widgetorder/simple", simple);
g_test_add_func ("/widgetorder/two", two);
g_test_add_func ("/widgetorder/prepend", prepend);
g_test_add_func ("/widgetorder/append", append);
g_test_add_func ("/widgetorder/insert-after", insert_after);
g_test_add_func ("/widgetorder/insert-before", insert_before);
g_test_add_func ("/widgetorder/insert-after-self", insert_after_self);
g_test_add_func ("/widgetorder/insert-before-self", insert_before_self);
g_test_add_func ("/widgetorder/reorder-after", reorder_after);
g_test_add_func ("/widgetorder/reorder-before", reorder_before);
g_test_add_func ("/widgetorder/reorder-start", reorder_start);
g_test_add_func ("/widgetorder/reorder-end", reorder_end);
g_test_add_func ("/widgetorder/same-after", same_after);
g_test_add_func ("/widgetorder/same-before", same_before);
g_test_add_func ("/widgetorder/no-loop", no_loop);
g_test_add_func ("/widgetorder/reorder-refcount", reorder_refcount);
return g_test_run ();
}