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authorChristian Persch <chpe@cvs.gnome.org>2005-10-02 21:56:48 +0800
committerChristian Persch <chpe@src.gnome.org>2005-10-02 21:56:48 +0800
commita2bbf31b11386534161bdaf16fdec29cbd685673 (patch)
treea02af9189584dbf50c7ba7e7a72fbd03bb06ff32 /lib/widgets
parent456c0769c5dccb2c8ce312031219624e6edddc5c (diff)
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Don't include config.h here.
2005-10-02 Christian Persch <chpe@cvs.gnome.org> * lib/ephy-debug.h: Don't include config.h here. * lib/widgets/ephy-spinner.c: (ephy_spinner_cache_data_unload), (ephy_spinner_cache_data_load), (ephy_spinner_cache_data_new), (ephy_spinner_cache_data_free), (ephy_spinner_cache_get_images), (ephy_spinner_cache_init), (ephy_spinner_cache_finalize), (ephy_spinner_load_images), (ephy_spinner_init), (bump_spinner_frame_cb), (ephy_spinner_start), (ephy_spinner_set_timeout), (ephy_spinner_finalize), (ephy_spinner_screen_changed), (ephy_spinner_class_init): Make spinner multihead safe. * lib/widgets/testspinner.c: Add a tiny spinner test program.
Diffstat (limited to 'lib/widgets')
-rw-r--r--lib/widgets/ephy-spinner.c233
-rw-r--r--lib/widgets/testiconentry.c20
-rw-r--r--lib/widgets/testspinner.c165
3 files changed, 362 insertions, 56 deletions
diff --git a/lib/widgets/ephy-spinner.c b/lib/widgets/ephy-spinner.c
index 34876cf95..5d6ff5916 100644
--- a/lib/widgets/ephy-spinner.c
+++ b/lib/widgets/ephy-spinner.c
@@ -28,10 +28,12 @@
* $Id$
*/
+#ifndef COMPILING_TESTSPINNER
#include "config.h"
+#include "ephy-debug.h"
+#endif
#include "ephy-spinner.h"
-#include "ephy-debug.h"
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gtk/gtkicontheme.h>
@@ -50,16 +52,6 @@
typedef struct _EphySpinnerCache EphySpinnerCache;
typedef struct _EphySpinnerCacheClass EphySpinnerCacheClass;
typedef struct _EphySpinnerCachePrivate EphySpinnerCachePrivate;
-typedef struct _EphySpinnerImages EphySpinnerImages;
-
-struct _EphySpinnerImages
-{
- GtkIconSize size;
- int width;
- int height;
- GdkPixbuf *quiescent_pixbuf;
- GList *images;
-};
struct _EphySpinnerCacheClass
{
@@ -76,12 +68,28 @@ struct _EphySpinnerCache
#define EPHY_SPINNER_CACHE_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EPHY_TYPE_SPINNER_CACHE, EphySpinnerCachePrivate))
-struct _EphySpinnerCachePrivate
+typedef struct
{
+ GtkIconSize size;
+ int width;
+ int height;
+ GdkPixbuf *quiescent_pixbuf;
+ GList *images;
+} EphySpinnerImages;
+
+typedef struct
+{
+ GdkScreen *screen;
GtkIconTheme *icon_theme;
EphySpinnerImages *originals;
/* List of EphySpinnerImages scaled to different sizes */
GList *images;
+} EphySpinnerCacheData;
+
+struct _EphySpinnerCachePrivate
+{
+ /* Hash table of GdkScreen -> EphySpinnerCacheData */
+ GHashTable *hash;
};
static void ephy_spinner_cache_class_init (EphySpinnerCacheClass *klass);
@@ -146,11 +154,15 @@ ephy_spinner_images_copy (EphySpinnerImages *images)
}
static void
-ephy_spinner_cache_unload (EphySpinnerCache *cache)
+ephy_spinner_cache_data_unload (EphySpinnerCacheData *data)
{
- g_list_foreach (cache->priv->images, (GFunc) ephy_spinner_images_free, NULL);
- cache->priv->images = NULL;
- cache->priv->originals = NULL;
+ g_return_if_fail (data != NULL);
+
+ LOG ("EphySpinnerDataCache unload for screen %p", data->screen);
+
+ g_list_foreach (data->images, (GFunc) ephy_spinner_images_free, NULL);
+ data->images = NULL;
+ data->originals = NULL;
}
static GdkPixbuf *
@@ -176,7 +188,7 @@ extract_frame (GdkPixbuf *grid_pixbuf,
}
static void
-ephy_spinner_cache_load (EphySpinnerCache *cache)
+ephy_spinner_cache_data_load (EphySpinnerCacheData *data)
{
EphySpinnerImages *images;
GdkPixbuf *icon_pixbuf, *pixbuf;
@@ -184,14 +196,16 @@ ephy_spinner_cache_load (EphySpinnerCache *cache)
int grid_width, grid_height, x, y, size, h, w;
const char *icon;
- LOG ("EphySpinnerCache loading");
+ g_return_if_fail (data != NULL);
+
+ LOG ("EphySpinnerCacheData loading for screen %p", data->screen);
- ephy_spinner_cache_unload (cache);
+ ephy_spinner_cache_data_unload (data);
START_PROFILER ("loading spinner animation")
/* Load the animation */
- icon_info = gtk_icon_theme_lookup_icon (cache->priv->icon_theme,
+ icon_info = gtk_icon_theme_lookup_icon (data->icon_theme,
"gnome-spinner", -1, 0);
if (icon_info == NULL)
{
@@ -219,8 +233,8 @@ ephy_spinner_cache_load (EphySpinnerCache *cache)
grid_height = gdk_pixbuf_get_height (icon_pixbuf);
images = g_new (EphySpinnerImages, 1);
- cache->priv->images = g_list_prepend (NULL, images);
- cache->priv->originals = images;
+ data->images = g_list_prepend (NULL, images);
+ data->originals = images;
images->size = GTK_ICON_SIZE_INVALID;
images->width = images->height = size;
@@ -250,7 +264,7 @@ ephy_spinner_cache_load (EphySpinnerCache *cache)
g_object_unref (icon_pixbuf);
/* Load the rest icon */
- icon_info = gtk_icon_theme_lookup_icon (cache->priv->icon_theme,
+ icon_info = gtk_icon_theme_lookup_icon (data->icon_theme,
"gnome-spinner-rest", -1, 0);
if (icon_info == NULL)
{
@@ -286,6 +300,39 @@ ephy_spinner_cache_load (EphySpinnerCache *cache)
STOP_PROFILER ("loading spinner animation")
}
+static EphySpinnerCacheData *
+ephy_spinner_cache_data_new (GdkScreen *screen)
+{
+ EphySpinnerCacheData *data;
+
+ data = g_new0 (EphySpinnerCacheData, 1);
+
+ data->screen = screen;
+ data->icon_theme = gtk_icon_theme_get_for_screen (screen);
+ g_signal_connect_swapped (data->icon_theme, "changed",
+ G_CALLBACK (ephy_spinner_cache_data_load),
+ data);
+
+ ephy_spinner_cache_data_load (data);
+
+ return data;
+}
+
+static void
+ephy_spinner_cache_data_free (EphySpinnerCacheData *data)
+{
+ g_return_if_fail (data != NULL);
+ g_return_if_fail (data->icon_theme != NULL);
+
+ g_signal_handlers_disconnect_by_func
+ (data->icon_theme,
+ G_CALLBACK (ephy_spinner_cache_data_load), data);
+
+ ephy_spinner_cache_data_unload (data);
+
+ g_free (data);
+}
+
static int
compare_size (gconstpointer images_ptr,
gconstpointer size_ptr)
@@ -327,21 +374,33 @@ scale_to_size (GdkPixbuf *pixbuf,
static EphySpinnerImages *
ephy_spinner_cache_get_images (EphySpinnerCache *cache,
+ GdkScreen *screen,
GtkIconSize size)
{
+ EphySpinnerCachePrivate *priv = cache->priv;
+ EphySpinnerCacheData *data;
EphySpinnerImages *images;
+ GtkSettings *settings;
GdkPixbuf *pixbuf, *scaled_pixbuf;
GList *element, *l;
int h, w;
- LOG ("Getting animation images at size %d", size);
+ LOG ("Getting animation images at size %d for screen %p", size, screen);
- if (cache->priv->images == NULL || cache->priv->originals == NULL)
+ data = g_hash_table_lookup (priv->hash, screen);
+ if (data == NULL)
{
+ data = ephy_spinner_cache_data_new (screen);
+ g_hash_table_insert (priv->hash, screen, data);
+ }
+
+ if (data->images == NULL || data->originals == NULL)
+ {
+ /* Load failed, but don't try endlessly again! */
return NULL;
}
- element = g_list_find_custom (cache->priv->images,
+ element = g_list_find_custom (data->images,
GINT_TO_POINTER (size),
(GCompareFunc) compare_size);
if (element != NULL)
@@ -349,9 +408,10 @@ ephy_spinner_cache_get_images (EphySpinnerCache *cache,
return ephy_spinner_images_copy ((EphySpinnerImages *) element->data);
}
- if (!gtk_icon_size_lookup_for_settings (gtk_settings_get_default (), size, &w, &h))
+ settings = gtk_settings_get_for_screen (screen);
+ if (!gtk_icon_size_lookup_for_settings (settings, size, &w, &h))
{
- g_warning ("Failed to lookup icon size\n");
+ g_warning ("Failed to look up icon size\n");
return NULL;
}
@@ -363,7 +423,7 @@ ephy_spinner_cache_get_images (EphySpinnerCache *cache,
START_PROFILER ("scaling spinner animation")
- for (l = cache->priv->originals->images; l != NULL; l = l->next)
+ for (l = data->originals->images; l != NULL; l = l->next)
{
pixbuf = (GdkPixbuf *) l->data;
scaled_pixbuf = scale_to_size (pixbuf, w, h);
@@ -373,10 +433,10 @@ ephy_spinner_cache_get_images (EphySpinnerCache *cache,
images->images = g_list_reverse (images->images);
images->quiescent_pixbuf =
- scale_to_size (cache->priv->originals->quiescent_pixbuf, w, h);
+ scale_to_size (data->originals->quiescent_pixbuf, w, h);
/* store in cache */
- cache->priv->images = g_list_prepend (cache->priv->images, images);
+ data->images = g_list_prepend (data->images, images);
STOP_PROFILER ("scaling spinner animation")
@@ -386,29 +446,26 @@ ephy_spinner_cache_get_images (EphySpinnerCache *cache,
static void
ephy_spinner_cache_init (EphySpinnerCache *cache)
{
- cache->priv = EPHY_SPINNER_CACHE_GET_PRIVATE (cache);
+ EphySpinnerCachePrivate *priv;
- LOG ("EphySpinnerCache initialising");
+ priv = cache->priv = EPHY_SPINNER_CACHE_GET_PRIVATE (cache);
- /* FIXME: icon theme is per-screen, not global */
- cache->priv->icon_theme = gtk_icon_theme_get_default ();
- g_signal_connect_swapped (cache->priv->icon_theme, "changed",
- G_CALLBACK (ephy_spinner_cache_load), cache);
+ LOG ("EphySpinnerCache initialising");
- ephy_spinner_cache_load (cache);
+ priv->hash = g_hash_table_new_full (g_direct_hash, g_direct_equal,
+ NULL,
+ (GDestroyNotify) ephy_spinner_cache_data_free);
}
static void
ephy_spinner_cache_finalize (GObject *object)
{
EphySpinnerCache *cache = EPHY_SPINNER_CACHE (object);
+ EphySpinnerCachePrivate *priv = cache->priv;
LOG ("EphySpinnerCache finalising");
- g_signal_handlers_disconnect_by_func
- (cache->priv->icon_theme, G_CALLBACK(ephy_spinner_cache_load), cache);
-
- ephy_spinner_cache_unload (cache);
+ g_hash_table_destroy (priv->hash);
G_OBJECT_CLASS (cache_parent_class)->finalize (object);
}
@@ -460,6 +517,7 @@ struct _EphySpinnerDetails
GtkIconSize size;
EphySpinnerImages *images;
GList *current_image;
+ guint timeout;
guint timer_task;
guint spinning : 1;
};
@@ -507,7 +565,10 @@ ephy_spinner_load_images (EphySpinner *spinner)
START_PROFILER ("ephy_spinner_load_images")
details->images =
- ephy_spinner_cache_get_images (details->cache, details->size);
+ ephy_spinner_cache_get_images
+ (details->cache,
+ gtk_widget_get_screen (GTK_WIDGET (spinner)),
+ details->size);
if (details->images != NULL)
{
@@ -539,6 +600,7 @@ icon_theme_changed_cb (GtkIconTheme *icon_theme,
static void
ephy_spinner_init (EphySpinner *spinner)
{
+ EphySpinnerDetails *details = spinner->details;
GtkWidget *widget = GTK_WIDGET (spinner);
gtk_widget_set_events (widget,
@@ -546,17 +608,12 @@ ephy_spinner_init (EphySpinner *spinner)
| GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK
| GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK);
- spinner->details = EPHY_SPINNER_GET_PRIVATE (spinner);
-
- spinner->details->cache = ephy_spinner_cache_ref ();
- spinner->details->size = GTK_ICON_SIZE_INVALID;
- spinner->details->spinning = FALSE;
-
- /* FIXME: multihead */
- spinner->details->icon_theme = gtk_icon_theme_get_default ();
- g_signal_connect (spinner->details->icon_theme, "changed",
- G_CALLBACK (icon_theme_changed_cb), spinner);
+ details = spinner->details = EPHY_SPINNER_GET_PRIVATE (spinner);
+ details->cache = ephy_spinner_cache_ref ();
+ details->size = GTK_ICON_SIZE_INVALID;
+ details->spinning = FALSE;
+ details->timeout = SPINNER_TIMEOUT;
}
static GdkPixbuf *
@@ -652,7 +709,7 @@ bump_spinner_frame_cb (EphySpinner *spinner)
frame = spinner->details->current_image;
- if (g_list_next (frame) != NULL)
+ if (frame->next != NULL)
{
frame = frame->next;
}
@@ -694,7 +751,7 @@ ephy_spinner_start (EphySpinner *spinner)
}
spinner->details->timer_task =
- g_timeout_add (SPINNER_TIMEOUT,
+ g_timeout_add (details->timeout,
(GSourceFunc) bump_spinner_frame_cb,
spinner);
}
@@ -756,6 +813,32 @@ ephy_spinner_set_size (EphySpinner *spinner,
}
}
+/*
+ * ephy_spinner_set_timeout:
+ * @spinner: a #EphySpinner
+ * @timeout: time delay between updates to the spinner.
+ *
+ * Sets the timeout delay for spinner updates.
+ **/
+static void
+ephy_spinner_set_timeout (EphySpinner *spinner,
+ guint timeout)
+{
+ EphySpinnerDetails *details = spinner->details;
+
+ if (timeout != details->timeout)
+ {
+ ephy_spinner_stop (spinner);
+
+ details->timeout = timeout;
+
+ if (details->spinning)
+ {
+ ephy_spinner_start (spinner);
+ }
+ }
+}
+
static void
ephy_spinner_size_request (GtkWidget *widget,
GtkRequisition *requisition)
@@ -813,7 +896,7 @@ ephy_spinner_finalize (GObject *object)
EphySpinner *spinner = EPHY_SPINNER (object);
g_signal_handlers_disconnect_by_func
- (spinner->details->icon_theme,
+ (spinner->details->icon_theme,
G_CALLBACK (icon_theme_changed_cb), spinner);
ephy_spinner_remove_update_callback (spinner);
@@ -825,6 +908,43 @@ ephy_spinner_finalize (GObject *object)
}
static void
+ephy_spinner_screen_changed (GtkWidget *widget,
+ GdkScreen *old_screen)
+{
+ EphySpinner *spinner = EPHY_SPINNER (widget);
+ EphySpinnerDetails *details = spinner->details;
+ GdkScreen *screen;
+
+ if (GTK_WIDGET_CLASS (parent_class)->screen_changed)
+ {
+ GTK_WIDGET_CLASS (parent_class)->screen_changed (widget, old_screen);
+ }
+
+ screen = gtk_widget_get_screen (widget);
+
+ /* FIXME: this seems to be happening when then spinner is destroyed!? */
+ if (old_screen == screen) return;
+
+ /* We'll get mapped again on the new screen, but not unmapped from
+ * the old screen, so remove timeout here.
+ */
+ ephy_spinner_remove_update_callback (spinner);
+
+ ephy_spinner_unload_images (spinner);
+
+ if (old_screen != NULL)
+ {
+ g_signal_handlers_disconnect_by_func
+ (gtk_icon_theme_get_for_screen (old_screen),
+ G_CALLBACK (icon_theme_changed_cb), spinner);
+ }
+
+ details->icon_theme = gtk_icon_theme_get_for_screen (screen);
+ g_signal_connect (details->icon_theme, "changed",
+ G_CALLBACK (icon_theme_changed_cb), spinner);
+}
+
+static void
ephy_spinner_class_init (EphySpinnerClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
@@ -838,6 +958,7 @@ ephy_spinner_class_init (EphySpinnerClass *class)
widget_class->size_request = ephy_spinner_size_request;
widget_class->map = ephy_spinner_map;
widget_class->unmap = ephy_spinner_unmap;
+ widget_class->screen_changed = ephy_spinner_screen_changed;
g_type_class_add_private (object_class, sizeof (EphySpinnerDetails));
}
diff --git a/lib/widgets/testiconentry.c b/lib/widgets/testiconentry.c
index 622f3ef07..fe593b943 100644
--- a/lib/widgets/testiconentry.c
+++ b/lib/widgets/testiconentry.c
@@ -1,3 +1,23 @@
+/*
+ * Copyright (C) 2005 Christian Persch
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * $Id$
+ */
+
#include <glib.h>
#include <gtk/gtk.h>
#include <gtk/gtkstock.h>
diff --git a/lib/widgets/testspinner.c b/lib/widgets/testspinner.c
new file mode 100644
index 000000000..69c12c0ad
--- /dev/null
+++ b/lib/widgets/testspinner.c
@@ -0,0 +1,165 @@
+/*
+ * Copyright (C) 2005 Christian Persch
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * $Id$
+ */
+
+#include <glib.h>
+#include <gtk/gtk.h>
+
+#define COMPILING_TESTSPINNER
+#define LOG(msg, args...) G_STMT_START { } G_STMT_END
+#define START_PROFILER(name)
+#define STOP_PROFILER(name)
+
+#include "ephy-spinner.c"
+
+#define MOVE_TIMEOUT 211 /* ms */
+
+static void start_or_stop (GtkToggleButton *button, EphySpinner *spinner)
+{
+ if (gtk_toggle_button_get_active (button))
+ {
+ ephy_spinner_start (spinner);
+ }
+ else
+ {
+ ephy_spinner_stop (spinner);
+ }
+}
+
+static void add_spinner (GtkTable *table,
+ int row,
+ GtkIconSize size,
+ const char *sizename,
+ guint interval,
+ gboolean start)
+{
+ GtkWidget *label, *frame, *spinner, *button, *spinbutton;
+ char *text;
+
+ text = g_strdup_printf ("%s size:", sizename);
+ label = gtk_label_new (text);
+ gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.0);
+ gtk_table_attach_defaults (table, label, 0, 1, row, row + 1);
+ g_free (text);
+
+ frame = gtk_frame_new (NULL);
+ gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
+ gtk_table_attach (table, frame, 1, 2, row, row + 1, GTK_SHRINK, GTK_SHRINK, 0, 0);
+
+ spinner = ephy_spinner_new ();
+ ephy_spinner_set_size (EPHY_SPINNER (spinner), size);
+ gtk_container_add (GTK_CONTAINER (frame), spinner);
+
+ button = gtk_check_button_new_with_label ("Spin");
+ gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), start);
+ start_or_stop (GTK_TOGGLE_BUTTON (button), EPHY_SPINNER (spinner));
+ g_signal_connect (button, "toggled", G_CALLBACK (start_or_stop), spinner);
+ gtk_table_attach_defaults (table, button, 2, 3, row, row + 1);
+}
+
+static void move_window (GtkWindow *window)
+{
+ GdkScreen *screen = gtk_widget_get_screen (GTK_WIDGET (window));
+ GdkDisplay *display = gdk_screen_get_display (screen);
+ gint number_of_screens = gdk_display_get_n_screens (display);
+ gint screen_num = gdk_screen_get_number (screen);
+
+ if ((screen_num + 1) < number_of_screens)
+ {
+ gtk_window_set_screen (window, gdk_display_get_screen (display, screen_num + 1));
+ }
+ else
+ {
+ gtk_window_set_screen (window, gdk_display_get_screen (display, 0));
+ }
+}
+
+static gboolean
+move_true (GtkWindow *window)
+{
+ move_window (window);
+ return TRUE;
+}
+
+static void
+start_or_stop_repeated_moves (GtkWindow *window)
+{
+ static guint timeout = 0;
+
+ if (timeout == 0)
+ {
+ timeout = g_timeout_add (MOVE_TIMEOUT, (GSourceFunc) move_true, window);
+ }
+ else
+ {
+ g_source_remove (timeout);
+ timeout = 0;
+ }
+}
+
+int main(int argc, char **argv)
+{
+ GtkWidget *window, *vbox, *widget;
+ GtkTable *table;
+ GtkTooltips *tips;
+ int row = 0;
+
+ gtk_init (&argc, &argv);
+
+ window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
+ gtk_container_set_border_width (GTK_CONTAINER (window), 12);
+
+ vbox = gtk_vbox_new (FALSE, 6);
+ gtk_container_add (GTK_CONTAINER (window), vbox);
+
+ widget = gtk_table_new (5, 3, FALSE);
+ gtk_box_pack_start (GTK_BOX (vbox), widget, FALSE, FALSE, 0);
+
+ table = GTK_TABLE (widget);
+ gtk_table_set_row_spacings (table, 6);
+ gtk_table_set_col_spacings (table,12);
+
+ add_spinner (table, row++, GTK_ICON_SIZE_INVALID, "Native", 0, FALSE);
+ add_spinner (table, row++, GTK_ICON_SIZE_MENU, "Menu", 0, FALSE);
+ add_spinner (table, row++, GTK_ICON_SIZE_SMALL_TOOLBAR, "Small toolbar", 0, FALSE);
+ add_spinner (table, row++, GTK_ICON_SIZE_LARGE_TOOLBAR, "Large toolbar", 0, FALSE);
+ add_spinner (table, row++, GTK_ICON_SIZE_BUTTON, "Button", 0, FALSE);
+ add_spinner (table, row++, GTK_ICON_SIZE_DND, "Drag-and-drop", 0, FALSE);
+ add_spinner (table, row++, GTK_ICON_SIZE_DIALOG, "Dialog", 0, FALSE);
+
+ widget = gtk_button_new_with_label ("Move to next screen");
+ g_signal_connect_swapped (widget, "clicked", G_CALLBACK (move_window), window);
+ gtk_box_pack_start (GTK_BOX (vbox), widget, FALSE, FALSE, 0);
+
+ widget = gtk_toggle_button_new_with_label ("Move repeatedly to next screen");
+ g_signal_connect_swapped (widget, "toggled", G_CALLBACK (start_or_stop_repeated_moves), window);
+ gtk_box_pack_start (GTK_BOX (vbox), widget, FALSE, FALSE, 0);
+
+ widget = gtk_button_new_with_label ("Quit");
+ g_signal_connect_swapped (widget, "clicked", G_CALLBACK (gtk_widget_destroy), window);
+ gtk_box_pack_start (GTK_BOX (vbox), widget, FALSE, FALSE, 0);
+
+ gtk_widget_show_all (window);
+
+ g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
+
+ gtk_main ();
+
+ return 0;
+}