[gtk+] Add a testcase for box sizing

[Matthias Clasen <matthiasc src gnome org>]

commit ac907cd8aa0595348b4feabbb5c6a30c9d9094c9
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Feb 16 23:24:13 2014 -0500

    Add a testcase for box sizing

 tests/Makefile.am |    1 +
 tests/testbox.c   |  182 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 183 insertions(+), 0 deletions(-)
---
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 08dabea..bc479cc 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -39,6 +39,7 @@ noinst_PROGRAMS =  $(TEST_PROGS)      \
        testassistant                   \
        testbaseline                    \
        testbbox                        \
+       testbox                         \
        testboxcss                      \
        testbuttons                     \
        testcairo                       \
diff --git a/tests/testbox.c b/tests/testbox.c
new file mode 100644
index 0000000..693f032
--- /dev/null
+++ b/tests/testbox.c
@@ -0,0 +1,182 @@
+#include <gtk/gtk.h>
+
+static void
+expand_toggled (GtkToggleButton *b, GtkWidget *w)
+{
+  gboolean active;
+  GtkWidget *parent;
+
+  active = gtk_toggle_button_get_active (b);
+  parent = gtk_widget_get_parent (w);
+  gtk_container_child_set (GTK_CONTAINER (parent), w,
+                           "expand", active,
+                           NULL);
+}
+
+static void
+fill_toggled (GtkToggleButton *b, GtkWidget *w)
+{
+  gboolean active;
+  GtkWidget *parent;
+
+  active = gtk_toggle_button_get_active (b);
+  parent = gtk_widget_get_parent (w);
+  gtk_container_child_set (GTK_CONTAINER (parent), w,
+                           "fill", active,
+                           NULL);
+}
+
+static void
+edit_widget (GtkWidget *button)
+{
+  GtkWidget *dialog;
+  GtkWidget *grid;
+  GtkWidget *label;
+  GtkWidget *entry;
+  GtkWidget *check;
+  gboolean expand, fill;
+
+  dialog = GTK_WIDGET (g_object_get_data (G_OBJECT (button), "dialog"));
+
+  if (!dialog)
+    {
+      dialog = gtk_dialog_new_with_buttons ("",
+                                            GTK_WINDOW (gtk_widget_get_toplevel (button)),
+                                            GTK_DIALOG_DESTROY_WITH_PARENT | GTK_DIALOG_USE_HEADER_BAR,
+                                            NULL, NULL);
+
+      grid = gtk_grid_new ();
+      g_object_set (grid,
+                    "margin", 20,
+                    "row-spacing", 10,
+                    "column-spacing", 10,
+                    NULL);
+      gtk_container_add (GTK_CONTAINER (gtk_dialog_get_content_area (GTK_DIALOG (dialog))), grid);
+
+      label = gtk_label_new ("Label:");
+      gtk_widget_set_halign (label, GTK_ALIGN_END);
+      entry = gtk_entry_new ();
+      g_object_bind_property (button, "label",
+                              entry, "text",
+                              G_BINDING_BIDIRECTIONAL|G_BINDING_SYNC_CREATE);
+      gtk_grid_attach (GTK_GRID (grid), label, 0, 0, 1, 1);
+      gtk_grid_attach (GTK_GRID (grid), entry, 1, 0, 1, 1);
+
+      label = gtk_label_new ("Visible:");
+      gtk_widget_set_halign (label, GTK_ALIGN_END);
+      check = gtk_check_button_new ();
+      g_object_bind_property (button, "visible",
+                              check, "active",
+                              G_BINDING_BIDIRECTIONAL|G_BINDING_SYNC_CREATE);
+      gtk_grid_attach (GTK_GRID (grid), label, 0, 1, 1, 1);
+      gtk_grid_attach (GTK_GRID (grid), check, 1, 1, 1, 1);
+
+      label = gtk_label_new ("Expand:");
+      gtk_widget_set_halign (label, GTK_ALIGN_END);
+      check = gtk_check_button_new ();
+      gtk_box_query_child_packing (GTK_BOX (gtk_widget_get_parent (button)),
+                                   button, &expand, NULL, NULL, NULL);
+      gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check), expand);
+      g_signal_connect (check, "toggled",
+                        G_CALLBACK (expand_toggled), button);
+      gtk_grid_attach (GTK_GRID (grid), label, 0, 2, 1, 1);
+      gtk_grid_attach (GTK_GRID (grid), check, 1, 2, 1, 1);
+
+      label = gtk_label_new ("Fill:");
+      gtk_widget_set_halign (label, GTK_ALIGN_END);
+      check = gtk_check_button_new ();
+      gtk_box_query_child_packing (GTK_BOX (gtk_widget_get_parent (button)),
+                                   button, NULL, &fill, NULL, NULL);
+      gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (check), fill);
+      g_signal_connect (check, "toggled",
+                        G_CALLBACK (fill_toggled), button);
+      gtk_grid_attach (GTK_GRID (grid), label, 0, 3, 1, 1);
+      gtk_grid_attach (GTK_GRID (grid), check, 1, 3, 1, 1);
+ 
+      gtk_widget_show_all (grid);
+
+      g_object_set_data (G_OBJECT (button), "dialog", dialog);
+    }
+
+  gtk_window_present (GTK_WINDOW (dialog));
+}
+
+static GtkWidget *
+test_widget (const gchar *label)
+{
+  GtkWidget *w;
+
+  w = gtk_button_new_with_label (label);
+  g_signal_connect (w, "clicked", G_CALLBACK (edit_widget), NULL);
+
+  return w;
+}
+
+static void
+spacing_changed (GtkSpinButton *spin, GtkBox *box)
+{
+  gint spacing;
+
+  spacing = gtk_spin_button_get_value_as_int (spin);
+  gtk_box_set_spacing (box, spacing);
+}
+
+int
+main (int argc, char *argv[])
+{
+  GtkWidget *window;
+  GtkWidget *vbox;
+  GtkWidget *box;
+  GtkWidget *check;
+  GtkWidget *b;
+  GtkWidget *label;
+  GtkWidget *spin;
+
+  gtk_init (NULL, NULL);
+
+  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+
+  vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
+  gtk_container_add (GTK_CONTAINER (window), vbox);
+
+  box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
+  gtk_box_pack_start (GTK_BOX (box), test_widget ("1"), FALSE, TRUE, 0);
+  gtk_box_pack_start (GTK_BOX (box), test_widget ("2"), FALSE, TRUE, 0);
+  gtk_box_pack_start (GTK_BOX (box), test_widget ("3"), FALSE, TRUE, 0);
+  gtk_box_pack_start (GTK_BOX (box), test_widget ("4"), FALSE, TRUE, 0);
+  gtk_box_pack_end (GTK_BOX (box), test_widget ("5"), FALSE, TRUE, 0);
+  gtk_box_pack_end (GTK_BOX (box), test_widget ("6"), FALSE, TRUE, 0);
+
+  gtk_box_set_center_widget (GTK_BOX (box), test_widget ("center"));
+  gtk_container_add (GTK_CONTAINER (vbox), box);
+
+  check = gtk_check_button_new_with_label ("Homogeneous");
+  g_object_bind_property (box, "homogeneous",
+                          check, "active",
+                          G_BINDING_BIDIRECTIONAL|G_BINDING_SYNC_CREATE);
+  g_object_set (check, "margin", 10, NULL);
+  gtk_widget_set_halign (check, GTK_ALIGN_CENTER);
+  gtk_widget_show (check);
+  gtk_container_add (GTK_CONTAINER (vbox), check);
+
+  b = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 10);
+  g_object_set (b, "margin", 10, NULL);
+  gtk_widget_set_halign (b, GTK_ALIGN_CENTER);
+  label = gtk_label_new ("Spacing:");
+  gtk_widget_set_halign (label, GTK_ALIGN_END);
+  gtk_box_pack_start (GTK_BOX (b), label, FALSE, TRUE, 0);
+
+  spin = gtk_spin_button_new_with_range (0, 10, 1);
+  gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spin), TRUE);
+  gtk_widget_set_halign (spin, GTK_ALIGN_START);
+  g_signal_connect (spin, "value-changed",
+                    G_CALLBACK (spacing_changed), box);
+  gtk_box_pack_start (GTK_BOX (b), spin, FALSE, TRUE, 0);
+  gtk_container_add (GTK_CONTAINER (vbox), b);
+  
+  gtk_widget_show_all (window);
+
+  gtk_main ();
+
+  return 0;
+}