Creating testing framework, starting with natural size testing.

svn path=/branches/extended-layout/; revision=17951

ChangeLog.gtk-extended-layout

@@ -0,0 +1,6 @@
+2007-05-27  Mathias Hasselmann  <mathias.hasselmann@gmx.de>
+
+	* tests/testextendedlayout.c, tests/Makefile.am,
+	ChangeLog.gtk-extended-layout: Creating testing framework,
+	starting with natural size testing.
+

tests/Makefile.am

@@ -42,6 +42,7 @@ noinst_PROGRAMS =			\
 	testdnd				\
 	testellipsise			\
 	testentrycompletion 		\
+	testextendedlayout 		\
 	testfilechooser			\
 	testfilechooserbutton		\
 	testgtk				\
@@ -212,6 +213,9 @@ testentrycompletion_SOURCES = 	\
 	prop-editor.c		\
 	testentrycompletion.c
 
+testextendedlayout_SOURCES = 	\
+	testextendedlayout.c
+
 testfilechooser_SOURCES = 	\
 	prop-editor.c		\
 	testfilechooser.c 	

tests/testextendedlayout.c

@@ -0,0 +1,186 @@
+/* testextendedlayout.c
+ * Copyright (C) 2007 Mathias Hasselmann <mathias.hasselmann@gmx.de>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+//#include <config.h>
+#include <gtk/gtk.h>
+
+GList *allocation_guides = NULL;
+
+static void
+append_natural_size_box (GtkWidget          *vbox,
+                         const gchar        *caption,
+                         PangoEllipsizeMode  ellipsize)
+{
+  GtkWidget *hbox;
+  GtkWidget *button;
+  GtkWidget *label;
+
+  hbox = gtk_hbox_new (FALSE, 12);
+
+  label = gtk_label_new ("The small Button");
+  gtk_label_set_ellipsize (GTK_LABEL (label), ellipsize);
+
+  button = gtk_button_new ();
+  gtk_container_add (GTK_CONTAINER (button), label);
+  gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, TRUE, 0);
+
+  if (PANGO_ELLIPSIZE_NONE == ellipsize)
+    allocation_guides = g_list_append (allocation_guides, button);
+
+  button = gtk_button_new_with_label ("The large Button");
+  gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
+
+  label = gtk_label_new (NULL);
+  gtk_label_set_markup (GTK_LABEL (label), caption); 
+  gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
+
+  gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, TRUE, 0);
+  gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0);
+}
+
+static GtkWidget*
+create_natural_size ()
+{
+  GtkWidget *vbox = gtk_vbox_new (FALSE, 12);
+  gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
+  append_natural_size_box (vbox, "<b>No ellipsizing</b>", PANGO_ELLIPSIZE_NONE);
+  append_natural_size_box (vbox, "<b>Ellipsizing at start</b>", PANGO_ELLIPSIZE_START);
+  append_natural_size_box (vbox, "<b>Ellipsizing in the middle</b>", PANGO_ELLIPSIZE_MIDDLE);
+  append_natural_size_box (vbox, "<b>Ellipsizing at end</b>", PANGO_ELLIPSIZE_END);
+
+  return vbox;
+}
+
+static GtkWidget*
+create_height_for_width ()
+{
+  GtkWidget *vbox;
+
+  vbox = gtk_vbox_new (FALSE, 12);
+  gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
+
+  return vbox;
+}
+
+static GtkWidget*
+create_baseline ()
+{
+  GtkWidget *table;
+
+  table = gtk_table_new (4, 3, FALSE);
+  gtk_container_set_border_width (GTK_CONTAINER (table), 12);
+
+  return table;
+}
+
+static gboolean           
+expose_page (GtkWidget      *page,
+             GdkEventExpose *event __attribute__((unused)),
+             gpointer        user_data)
+{
+  cairo_t *cr = gdk_cairo_create (page->window);
+  GList *guides = user_data;
+  GList *iter;
+
+/*  cairo_rectangle (cr, event->area.x, event->area.y,
+                       event->area.width, event->area.height);
+  cairo_clip (cr);*/
+
+  cairo_translate (cr, page->allocation.x - 0.5, 
+                       page->allocation.y - 0.5);
+
+  cairo_set_line_width (cr, 1);
+  cairo_set_source_rgba (cr, 1.0, 0.0, 0.0, 0.5);
+
+  for (iter = guides; iter; iter = iter->next)
+    {
+      GtkWidget *child = iter->data;
+      gint x0, y0, x1, y1;
+
+      if (GTK_WIDGET_VISIBLE (child) &&
+          gtk_widget_translate_coordinates (child, page, 0, 0, &x0, &y0))
+        {
+          x1 = x0 + child->allocation.width;
+          y1 = y0 + child->allocation.height;
+
+          cairo_move_to (cr, x0, 0);
+          cairo_line_to (cr, x0, page->allocation.height - 1);
+
+          cairo_move_to (cr, x1, 0);
+          cairo_line_to (cr, x1, page->allocation.height - 1);
+
+          cairo_move_to (cr, 0, y0);
+          cairo_line_to (cr, page->allocation.width - 1, y0);
+
+          cairo_move_to (cr, 0, y1);
+          cairo_line_to (cr, page->allocation.width - 1, y1);
+
+          cairo_stroke (cr);
+        }
+    }
+
+  cairo_destroy (cr);
+  return FALSE;
+}
+
+static void
+append_testcase(GtkWidget   *notebook,
+                GtkWidget   *testcase,
+                const gchar *caption)
+{
+  GtkWidget *alignment;
+
+  alignment = gtk_alignment_new (0.5, 0.5, 0.0, 0.0);
+  gtk_container_add (GTK_CONTAINER (alignment), testcase);
+  gtk_notebook_append_page (GTK_NOTEBOOK (notebook), alignment,
+                            gtk_label_new (caption));
+
+  g_signal_connect_after (testcase, "expose-event",
+                          G_CALLBACK (expose_page),
+                          allocation_guides);
+
+  allocation_guides = NULL;
+}
+
+int
+main (int argc, char *argv[])
+{
+  GtkWidget *window;
+  GtkWidget *notebook;
+
+  gtk_init (&argc, &argv);
+
+  notebook = gtk_notebook_new ();
+
+  append_testcase (notebook, create_natural_size (), "Natural Size");
+  append_testcase (notebook, create_height_for_width (), "Height for Width");
+  append_testcase (notebook, create_baseline (), "Baseline Alignment");
+
+  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+  g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
+  gtk_window_set_title (GTK_WINDOW (window), "Testing GtkExtendedLayout");
+  gtk_container_add (GTK_CONTAINER (window), notebook);
+  gtk_widget_show_all (window);
+
+  gtk_main ();
+
+  return 0;
+}
+
+/* vim: set sw=2 sta et: */