1 files changed, 68 insertions, 0 deletions
diff --git a/tests/testpopup.c b/tests/testpopup.c
new file mode 100644
index 0000000000..cd82468c49
--- /dev/null
+++ b/tests/testpopup.c
@@ -0,0 +1,68 @@
+#include <gtk/gtk.h>
+
+static gboolean
+draw_popup (GtkWidget *widget,
+            cairo_t   *cr,
+            gpointer   data)
+{
+  cairo_set_source_rgb (cr, 1, 0, 0);
+  cairo_paint (cr);
+
+  return FALSE;
+}
+
+static gboolean
+place_popup (GtkWidget *parent,
+             GdkEvent  *event,
+             GtkWidget *popup)
+{
+  GdkEventMotion *ev_motion = (GdkEventMotion *) event;
+  gint width, height;
+
+  gtk_window_get_size (GTK_WINDOW (popup), &width, &height);
+  gtk_window_move (GTK_WINDOW (popup),
+                   (int) ev_motion->x_root - width / 2,
+                   (int) ev_motion->y_root - height / 2);
+
+  return FALSE;
+}
+
+static gboolean
+on_map_event (GtkWidget *parent,
+              GdkEvent  *event,
+              gpointer   data)
+{
+  GtkWidget *popup;
+
+  popup = gtk_window_new (GTK_WINDOW_POPUP);
+
+  gtk_widget_set_size_request (GTK_WIDGET (popup), 20, 20);
+  gtk_widget_set_app_paintable (GTK_WIDGET (popup), TRUE);
+  gtk_window_set_transient_for (GTK_WINDOW (popup), GTK_WINDOW (parent));
+  g_signal_connect (popup, "draw", G_CALLBACK (draw_popup), NULL);
+  g_signal_connect (parent, "motion-notify-event", G_CALLBACK (place_popup), popup);
+
+  gtk_widget_show (popup);
+
+  return FALSE;
+}
+
+int
+main (int argc, char *argv[])
+{
+  GtkWidget *window;
+
+  gtk_init (&argc, &argv);
+
+  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+
+  gtk_widget_set_events (window, GDK_POINTER_MOTION_MASK);
+  g_signal_connect (window, "destroy", gtk_main_quit, NULL);
+  g_signal_connect (window, "map-event", G_CALLBACK (on_map_event), NULL);
+
+  gtk_widget_show (window);
+
+  gtk_main ();
+
+  return 0;
+}