Learning_GTK4_tree/testsuite/gtk/spinbutton.c

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C
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2023-12-12 11:36:42 +01:00
#include <gtk/gtk.h>
static int value_changed_count;
static void
value_changed_cb (GtkSpinButton *spin)
{
value_changed_count++;
}
static void
test_value_changed (void)
{
GtkWidget *spin;
GtkAdjustment *adj;
spin = gtk_spin_button_new_with_range (0.0, 10.0, 1.0);
g_signal_connect (spin, "value-changed", G_CALLBACK (value_changed_cb), NULL);
value_changed_count = 0;
gtk_spin_button_set_value (GTK_SPIN_BUTTON (spin), 1.0);
g_assert_cmpint (value_changed_count, ==, 1);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (spin), 2.0);
g_assert_cmpint (value_changed_count, ==, 2);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (spin), 2.0);
g_assert_cmpint (value_changed_count, ==, 2);
gtk_spin_button_spin (GTK_SPIN_BUTTON (spin), GTK_SPIN_STEP_FORWARD, 0.5);
g_assert_cmpint (value_changed_count, ==, 3);
gtk_spin_button_configure (GTK_SPIN_BUTTON (spin), NULL, 1.0, 0);
g_assert_cmpint (value_changed_count, ==, 4);
adj = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (spin));
gtk_adjustment_set_value (adj, 0.0);
g_assert_cmpint (value_changed_count, ==, 5);
}
static int adjustment_changed_count;
static void
adjustment_changed_cb (GObject *object, GParamSpec *pspec)
{
adjustment_changed_count++;
}
static void
test_adjustment_changed (void)
{
GtkWidget *spin;
GtkAdjustment *adj;
spin = gtk_spin_button_new_with_range (0.0, 10.0, 1.0);
g_signal_connect (spin, "notify::adjustment", G_CALLBACK (adjustment_changed_cb), NULL);
adjustment_changed_count = 0;
adj = gtk_adjustment_new (50.0, 0.0, 100.0, 1.0, 1.0, 0.0);
gtk_spin_button_configure (GTK_SPIN_BUTTON (spin), adj, 1.0, 0);
g_assert_cmpint (adjustment_changed_count, ==, 1);
adj = gtk_adjustment_new (51.0, 1.0, 101.0, 1.0, 1.0, 0.0);
gtk_spin_button_set_adjustment (GTK_SPIN_BUTTON (spin), adj);
g_assert_cmpint (adjustment_changed_count, ==, 2);
gtk_spin_button_set_range (GTK_SPIN_BUTTON (spin), 2.0, 102.0);
g_assert_cmpint (adjustment_changed_count, ==, 2);
}
static void
test_adjustment_null (void)
{
GtkWidget *spin;
GtkAdjustment *adj;
spin = gtk_spin_button_new_with_range (0.0, 10.0, 1.0);
adj = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (spin));
gtk_spin_button_configure (GTK_SPIN_BUTTON (spin), NULL, 1.0, 0);
g_assert_true (adj == gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (spin)));
gtk_spin_button_set_adjustment (GTK_SPIN_BUTTON (spin), NULL);
adj = gtk_spin_button_get_adjustment (GTK_SPIN_BUTTON (spin));
g_assert_cmpfloat (gtk_adjustment_get_lower (adj), ==, 0.0);
g_assert_cmpfloat (gtk_adjustment_get_value (adj), ==, 0.0);
g_assert_cmpfloat (gtk_adjustment_get_upper (adj), ==, 0.0);
}
int
main (int argc, char *argv[])
{
gtk_test_init (&argc, &argv);
g_test_add_func ("/spinbutton/value-changed", test_value_changed);
g_test_add_func ("/spinbutton/adjustment-changed", test_adjustment_changed);
g_test_add_func ("/spinbutton/adjustment-null", test_adjustment_null);
return g_test_run ();
}