/* testlockbutton.c
* Copyright ( C ) 2011 Red Hat , Inc .
* Authors : Matthias Clasen
*
* 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 , see < http : //www.gnu.org/licenses/>.
*/
#include <gtk/gtk.h>
#include <gio/gio.h>
/* This is used to take screenshots of GtkLockButton for the docs.
*
* Run it like : testlockbutton lockbutton . ui style . css
*
* with the ui and css from the images directory for the docs .
*/
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
/* a fake permission implementation */
#define G_TYPE_TEST_PERMISSION (g_test_permission_get_type ())
#define G_TEST_PERMISSION(inst) (G_TYPE_CHECK_INSTANCE_CAST ((inst), \
G_TYPE_TEST_PERMISSION, \
GTestPermission))
#define G_IS_TEST_PERMISSION(inst) (G_TYPE_CHECK_INSTANCE_TYPE ((inst), \
G_TYPE_TEST_PERMISSION))
typedef struct _GTestPermission GTestPermission;
typedef struct _GTestPermissionClass GTestPermissionClass;
struct _GTestPermission
{
GPermission parent;
gboolean success;
};
struct _GTestPermissionClass
{
GPermissionClass parent_class;
};
static GType g_test_permission_get_type (void );
G_DEFINE_TYPE (GTestPermission, g_test_permission, G_TYPE_PERMISSION)
static void
g_test_permission_init (GTestPermission *test)
{
}
static gboolean
update_allowed (GTestPermission *test,
gboolean allowed,
GError **error)
{
gboolean can_acquire, can_release;
g_object_get (test,
"can-acquire" , &can_acquire,
"can-release" , &can_release,
NULL);
if (test->success)
{
g_permission_impl_update (G_PERMISSION (test),
allowed, can_acquire, can_release);
return TRUE ;
}
else
{
g_set_error_literal (error,
G_IO_ERROR, G_IO_ERROR_FAILED, "Sorry, no luck" );
return FALSE ;
}
}
static gboolean
acquire (GPermission *permission,
GCancellable *cancellable,
GError **error)
{
GTestPermission *test = G_TEST_PERMISSION (permission);
return update_allowed (test, TRUE , error);
}
static void
acquire_async (GPermission *permission,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GTask *result;
g_print ("GTestPermission::acquire_async\n" );
result = g_task_new ((GObject*)permission,
cancellable,
callback,
user_data);
g_task_set_source_tag (result, acquire_async);
g_task_return_boolean (result, TRUE );
g_object_unref (result);
}
static gboolean
acquire_finish (GPermission *permission,
GAsyncResult *result,
GError **error)
{
GTestPermission *test = G_TEST_PERMISSION (permission);
g_print ("GTestPermission::acquire_finish\n" );
return update_allowed (test, TRUE , error);
}
static gboolean
release (GPermission *permission,
GCancellable *cancellable,
GError **error)
{
GTestPermission *test = G_TEST_PERMISSION (permission);
return update_allowed (test, FALSE , error);
}
static void
release_async (GPermission *permission,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GTask *result;
result = g_task_new ((GObject*)permission,
cancellable,
callback,
user_data);
g_task_set_source_tag (result, release_async);
g_task_return_boolean (result, TRUE );
g_object_unref (result);
}
static gboolean
release_finish (GPermission *permission,
GAsyncResult *result,
GError **error)
{
GTestPermission *test = G_TEST_PERMISSION (permission);
return update_allowed (test, FALSE , error);
}
static void
g_test_permission_class_init (GTestPermissionClass *class )
{
GPermissionClass *permission_class = G_PERMISSION_CLASS (class );
permission_class->acquire = acquire;
permission_class->acquire_async = acquire_async;
permission_class->acquire_finish = acquire_finish;
permission_class->release = release;
permission_class->release_async = release_async;
permission_class->release_finish = release_finish;
}
static void
g_test_permission_set_success (GTestPermission *permission,
gboolean success)
{
permission->success = success;
}
static GtkWidget *allowed_button;
static GtkWidget *can_acquire_button;
static GtkWidget *can_release_button;
static GtkWidget *success_button;
static void
update_clicked (GtkButton *button, GtkLockButton *lockbutton)
{
GPermission *permission;
gboolean allowed, can_acquire, can_release;
gboolean success;
permission = gtk_lock_button_get_permission (lockbutton);
allowed = gtk_check_button_get_active (GTK_CHECK_BUTTON (allowed_button));
can_acquire = gtk_check_button_get_active (GTK_CHECK_BUTTON (can_acquire_button));
can_release = gtk_check_button_get_active (GTK_CHECK_BUTTON (can_release_button));
success = gtk_check_button_get_active (GTK_CHECK_BUTTON (success_button));
g_permission_impl_update (permission, allowed, can_acquire, can_release);
g_test_permission_set_success (G_TEST_PERMISSION (permission), success);
}
static void
permission_changed (GPermission *permission,
GParamSpec *pspec)
{
gboolean allowed, can_acquire, can_release;
g_object_get (permission,
"allowed" , &allowed,
"can-acquire" , &can_acquire,
"can-release" , &can_release,
NULL);
gtk_check_button_set_active (GTK_CHECK_BUTTON (allowed_button), allowed);
gtk_check_button_set_active (GTK_CHECK_BUTTON (can_acquire_button), can_acquire);
gtk_check_button_set_active (GTK_CHECK_BUTTON (can_release_button), can_release);
}
static void
draw_paintable (GdkPaintable *paintable)
{
GtkSnapshot *snapshot;
GskRenderNode *node;
GdkTexture *texture;
GskRenderer *renderer;
graphene_rect_t bounds;
static int count = 0 ;
char *path;
snapshot = gtk_snapshot_new ();
gdk_paintable_snapshot (paintable,
snapshot,
gdk_paintable_get_intrinsic_width (paintable),
gdk_paintable_get_intrinsic_height (paintable));
node = gtk_snapshot_free_to_node (snapshot);
/* If the window literally draws nothing, we assume it hasn't been mapped yet and as such
* the invalidations were only side effects of resizes .
*/
if (node == NULL)
return ;
if (gsk_render_node_get_node_type (node) == GSK_CLIP_NODE)
{
GskRenderNode *child;
child = gsk_render_node_ref (gsk_clip_node_get_child (node));
gsk_render_node_unref (node);
node = child;
}
renderer = gtk_native_get_renderer (
gtk_widget_get_native (
gtk_widget_paintable_get_widget (GTK_WIDGET_PAINTABLE (paintable))));
gsk_render_node_get_bounds (node, &bounds);
graphene_rect_union (&bounds,
&GRAPHENE_RECT_INIT (
0 , 0 ,
gdk_paintable_get_intrinsic_width (paintable),
gdk_paintable_get_intrinsic_height (paintable)
),
&bounds);
texture = gsk_renderer_render_texture (renderer, node, &bounds);
g_object_set_data_full (G_OBJECT (texture),
"source-render-node" ,
node,
(GDestroyNotify) gsk_render_node_unref);
path = g_strdup_printf ("screenshot%d.png" , count++);
gdk_texture_save_to_png (texture, path);
g_free (path);
g_object_unref (texture);
g_signal_handlers_disconnect_by_func (paintable, draw_paintable, NULL);
g_object_unref (paintable);
}
static void
do_snapshot (gpointer data)
{
GtkWidget *widget = data;
GdkPaintable *paintable;
paintable = gtk_widget_paintable_new (widget);
g_signal_connect (paintable, "invalidate-contents" , G_CALLBACK (draw_paintable), NULL);
gtk_widget_queue_draw (widget);
}
static void
screenshot_clicked (GtkButton *button,
GtkWidget *widget)
{
g_assert_true (gtk_widget_get_realized (widget));
gtk_widget_grab_focus (GTK_WIDGET (gtk_widget_get_root (widget)));
g_idle_add_once (do_snapshot, gtk_widget_get_root (widget));
}
int
main (int argc, char *argv[])
{
GtkWidget *window;
GtkWidget *dialog;
GtkWidget *button;
GtkWidget *box;
GtkWidget *update;
GtkWidget *screenshot;
GPermission *permission;
GtkBuilder *builder;
GtkCssProvider *provider;
gtk_init ();
permission = g_object_new (G_TYPE_TEST_PERMISSION, NULL);
window = gtk_window_new ();
gtk_window_set_resizable (GTK_WINDOW (window), FALSE );
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5 );
gtk_window_set_child (GTK_WINDOW (window), box);
allowed_button = gtk_check_button_new_with_label ("Allowed" );
gtk_box_append (GTK_BOX (box), allowed_button);
can_acquire_button = gtk_check_button_new_with_label ("Can acquire" );
gtk_box_append (GTK_BOX (box), can_acquire_button);
can_release_button = gtk_check_button_new_with_label ("Can release" );
gtk_box_append (GTK_BOX (box), can_release_button);
success_button = gtk_check_button_new_with_label ("Will succeed" );
gtk_box_append (GTK_BOX (box), success_button);
update = gtk_button_new_with_label ("Update" );
gtk_box_append (GTK_BOX (box), update);
screenshot = gtk_button_new_with_label ("Screenshot" );
gtk_box_append (GTK_BOX (box), screenshot);
g_signal_connect (permission, "notify" ,
G_CALLBACK (permission_changed), NULL);
builder = gtk_builder_new_from_file (argv[1 ]);
provider = gtk_css_provider_new ();
gtk_css_provider_load_from_path (provider, argv[2 ]);
gtk_style_context_add_provider_for_display (gdk_display_get_default (), GTK_STYLE_PROVIDER (provider), GTK_STYLE_PROVIDER_PRIORITY_USER);
button = GTK_WIDGET (gtk_builder_get_object (builder, "lockbutton" ));
gtk_lock_button_set_permission (GTK_LOCK_BUTTON (button), permission);
dialog = GTK_WIDGET (gtk_builder_get_object (builder, "window" ));
gtk_widget_add_css_class (dialog, "nobackground" );
g_signal_connect (update, "clicked" ,
G_CALLBACK (update_clicked), button);
g_signal_connect (screenshot, "clicked" ,
G_CALLBACK (screenshot_clicked), button);
gtk_window_present (GTK_WINDOW (window));
gtk_window_present (GTK_WINDOW (dialog));
while (TRUE )
g_main_context_iteration (NULL, TRUE );
return 0 ;
}
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