[gtk+] Missed adding the scrolled window test in previous commit, added scrolled window test.

[Tristan Van Berkom <tvb src gnome org>]

commit 209715f0eff9b0cc3210605e95686242893d2dd4
Author: Tristan Van Berkom <tristan van berkom gmail com>
Date:   Tue Oct 26 11:35:04 2010 +0900

    Missed adding the scrolled window test in previous commit, added scrolled window test.

 tests/testscrolledwindow.c |  165 ++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 165 insertions(+), 0 deletions(-)
---
diff --git a/tests/testscrolledwindow.c b/tests/testscrolledwindow.c
new file mode 100644
index 0000000..cb8d3be
--- /dev/null
+++ b/tests/testscrolledwindow.c
@@ -0,0 +1,165 @@
+#include <gtk/gtk.h>
+
+
+static void
+horizontal_policy_changed (GtkComboBox *combo_box,
+			   GtkViewport *viewport)
+{
+  GtkScrollablePolicy policy = gtk_combo_box_get_active (combo_box);
+
+  gtk_scrollable_set_hscroll_policy (GTK_SCROLLABLE (viewport), policy);
+}
+
+static void
+vertical_policy_changed (GtkComboBox *combo_box,
+			 GtkViewport *viewport)
+{
+  GtkScrollablePolicy policy = gtk_combo_box_get_active (combo_box);
+
+  gtk_scrollable_set_vscroll_policy (GTK_SCROLLABLE (viewport), policy);
+}
+
+static void
+label_flip_changed (GtkComboBox *combo_box,
+		    GtkLabel    *label)
+{
+  gint active = gtk_combo_box_get_active (combo_box);
+
+  if (active == 0)
+    gtk_label_set_angle (label, 0.0);
+  else 
+    gtk_label_set_angle (label, 90.0);
+}
+
+
+static void
+scrollable_policy (void)
+{
+  GtkWidget *window, *swindow, *hbox, *vbox, *frame, *cntl;
+  GtkWidget *viewport, *label, *expander, *widget;
+
+  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+  hbox   = gtk_hbox_new (FALSE, 2);
+  vbox   = gtk_vbox_new (FALSE, 6);
+
+  gtk_container_set_border_width (GTK_CONTAINER (window), 8);
+
+  gtk_widget_show (vbox);
+  gtk_widget_show (hbox);
+  gtk_container_add (GTK_CONTAINER (window), hbox);
+  gtk_box_pack_start (GTK_BOX (hbox), vbox, FALSE, FALSE, 0);
+
+  frame = gtk_frame_new ("Scrolled Window");
+  gtk_widget_show (frame);
+  gtk_box_pack_start (GTK_BOX (hbox), frame, TRUE, TRUE, 0);
+
+  swindow = gtk_scrolled_window_new (NULL, NULL);
+  gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
+                                  GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
+  
+  gtk_widget_show (swindow);
+  gtk_container_add (GTK_CONTAINER (frame), swindow);
+
+  viewport = gtk_viewport_new (NULL, NULL);
+  label = gtk_label_new ("Here is a wrapping label with a minimum width-chars of 40 and "
+			 "a natural max-width-chars of 100 to demonstrate the usage of "
+			 "scrollable widgets \"hscroll-policy\" and \"vscroll-policy\" "
+			 "properties. Note also that when playing with the window height, "
+			 "one can observe that the vscrollbar disappears as soon as there "
+			 "is enough height to fit the content vertically if the window were "
+			 "to be allocated a width without a vscrollbar present");
+
+  gtk_label_set_line_wrap  (GTK_LABEL (label), TRUE);
+  gtk_label_set_width_chars  (GTK_LABEL (label), 40);
+  gtk_label_set_max_width_chars  (GTK_LABEL (label), 100);
+
+  gtk_widget_show (label);
+  gtk_widget_show (viewport);
+  gtk_container_add (GTK_CONTAINER (viewport), label);
+  gtk_container_add (GTK_CONTAINER (swindow), viewport);
+
+  /* Add controls here */
+  expander = gtk_expander_new ("Controls");
+  gtk_expander_set_expanded (GTK_EXPANDER (expander), TRUE);
+  cntl = gtk_vbox_new (FALSE, 2);
+  gtk_widget_show (cntl);
+  gtk_widget_show (expander);
+  gtk_container_add (GTK_CONTAINER (expander), cntl);
+  gtk_box_pack_start (GTK_BOX (vbox), expander, FALSE, FALSE, 0);
+
+  /* Add Horizontal policy control here */
+  hbox = gtk_hbox_new (FALSE, 2);
+  gtk_widget_show (hbox);
+
+  widget = gtk_label_new ("hscroll-policy");
+  gtk_widget_show (widget);
+  gtk_box_pack_start (GTK_BOX (hbox), widget, TRUE, TRUE, 0);
+
+  widget = gtk_combo_box_text_new ();
+  gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (widget), "Minimum");
+  gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (widget), "Natural");
+  gtk_combo_box_set_active (GTK_COMBO_BOX (widget), 0);
+  gtk_widget_show (widget);
+
+  gtk_box_pack_start (GTK_BOX (hbox), widget, TRUE, TRUE, 0);
+  gtk_box_pack_start (GTK_BOX (cntl), hbox, FALSE, FALSE, 0);
+
+  g_signal_connect (G_OBJECT (widget), "changed",
+                    G_CALLBACK (horizontal_policy_changed), viewport);
+
+  /* Add Vertical policy control here */
+  hbox = gtk_hbox_new (FALSE, 2);
+  gtk_widget_show (hbox);
+
+  widget = gtk_label_new ("vscroll-policy");
+  gtk_widget_show (widget);
+  gtk_box_pack_start (GTK_BOX (hbox), widget, TRUE, TRUE, 0);
+
+  widget = gtk_combo_box_text_new ();
+  gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (widget), "Minimum");
+  gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (widget), "Natural");
+  gtk_combo_box_set_active (GTK_COMBO_BOX (widget), 0);
+  gtk_widget_show (widget);
+
+  gtk_box_pack_start (GTK_BOX (hbox), widget, TRUE, TRUE, 0);
+  gtk_box_pack_start (GTK_BOX (cntl), hbox, FALSE, FALSE, 0);
+
+  g_signal_connect (G_OBJECT (widget), "changed",
+                    G_CALLBACK (vertical_policy_changed), viewport);
+
+
+  /* Add Label orientation control here */
+  hbox = gtk_hbox_new (FALSE, 2);
+  gtk_widget_show (hbox);
+
+  widget = gtk_label_new ("label-flip");
+  gtk_widget_show (widget);
+  gtk_box_pack_start (GTK_BOX (hbox), widget, TRUE, TRUE, 0);
+
+  widget = gtk_combo_box_text_new ();
+  gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (widget), "Horizontal");
+  gtk_combo_box_text_append_text (GTK_COMBO_BOX_TEXT (widget), "Vertical");
+  gtk_combo_box_set_active (GTK_COMBO_BOX (widget), 0);
+  gtk_widget_show (widget);
+
+  gtk_box_pack_start (GTK_BOX (hbox), widget, TRUE, TRUE, 0);
+  gtk_box_pack_start (GTK_BOX (cntl), hbox, FALSE, FALSE, 0);
+
+  g_signal_connect (G_OBJECT (widget), "changed",
+                    G_CALLBACK (label_flip_changed), label);
+
+  gtk_widget_show (window);
+}
+
+
+int
+main (int argc, char *argv[])
+{
+  gtk_init (NULL, NULL);
+
+  scrollable_policy ();
+
+  gtk_main ();
+
+  return 0;
+}