* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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.
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Code adapted from egg-spinner
* by Christian Hergert <christian.hergert@gmail.com>
#include "config.h"
-#include "gtkintl.h"
-#include "gtkaccessible.h"
-#include "gtkimage.h"
#include "gtkspinner.h"
-#include "gtkstyle.h"
+
+#include "gtkimage.h"
+#include "gtkintl.h"
+#include "gtkstylecontext.h"
+#include "a11y/gtkspinneraccessible.h"
/**
*/
-G_DEFINE_TYPE (GtkSpinner, gtk_spinner, GTK_TYPE_DRAWING_AREA);
+#define SPINNER_SIZE 12
enum {
PROP_0,
struct _GtkSpinnerPrivate
{
- guint current;
- guint num_steps;
- guint cycle_duration;
gboolean active;
- guint timeout;
};
-static void gtk_spinner_class_init (GtkSpinnerClass *klass);
-static void gtk_spinner_init (GtkSpinner *spinner);
-static void gtk_spinner_dispose (GObject *gobject);
-static void gtk_spinner_realize (GtkWidget *widget);
-static void gtk_spinner_unrealize (GtkWidget *widget);
-static gboolean gtk_spinner_expose (GtkWidget *widget,
- GdkEventExpose *event);
-static void gtk_spinner_screen_changed (GtkWidget *widget,
- GdkScreen *old_screen);
-static void gtk_spinner_style_set (GtkWidget *widget,
- GtkStyle *prev_style);
+static gboolean gtk_spinner_draw (GtkWidget *widget,
+ cairo_t *cr);
static void gtk_spinner_get_property (GObject *object,
guint param_id,
GValue *value,
GParamSpec *pspec);
static void gtk_spinner_set_active (GtkSpinner *spinner,
gboolean active);
-static AtkObject *gtk_spinner_get_accessible (GtkWidget *widget);
-static GType gtk_spinner_accessible_get_type (void);
+static void gtk_spinner_get_preferred_width (GtkWidget *widget,
+ gint *minimum_size,
+ gint *natural_size);
+static void gtk_spinner_get_preferred_height (GtkWidget *widget,
+ gint *minimum_size,
+ gint *natural_size);
+
+
+G_DEFINE_TYPE (GtkSpinner, gtk_spinner, GTK_TYPE_WIDGET)
static void
gtk_spinner_class_init (GtkSpinnerClass *klass)
gobject_class = G_OBJECT_CLASS(klass);
g_type_class_add_private (gobject_class, sizeof (GtkSpinnerPrivate));
- gobject_class->dispose = gtk_spinner_dispose;
gobject_class->get_property = gtk_spinner_get_property;
gobject_class->set_property = gtk_spinner_set_property;
widget_class = GTK_WIDGET_CLASS(klass);
- widget_class->expose_event = gtk_spinner_expose;
- widget_class->realize = gtk_spinner_realize;
- widget_class->unrealize = gtk_spinner_unrealize;
- widget_class->screen_changed = gtk_spinner_screen_changed;
- widget_class->style_set = gtk_spinner_style_set;
- widget_class->get_accessible = gtk_spinner_get_accessible;
+ widget_class->draw = gtk_spinner_draw;
+ widget_class->get_preferred_width = gtk_spinner_get_preferred_width;
+ widget_class->get_preferred_height = gtk_spinner_get_preferred_height;
/* GtkSpinner:active:
*
P_("Whether the spinner is active"),
FALSE,
G_PARAM_READWRITE));
- /**
- * GtkSpinner:num-steps:
- *
- * The number of steps for the spinner to complete a full loop.
- * The animation will complete a full cycle in one second by default
- * (see the #GtkSpinner:cycle-duration style property).
- *
- * Since: 2.20
- */
- gtk_widget_class_install_style_property (widget_class,
- g_param_spec_uint ("num-steps",
- P_("Number of steps"),
- P_("The number of steps for the spinner to complete a full loop. The animation will complete a full cycle in one second by default (see #GtkSpinner:cycle-duration)."),
- 1,
- G_MAXUINT,
- 12,
- G_PARAM_READABLE));
-
- /**
- * GtkSpinner:cycle-duration:
- *
- * The duration in milliseconds for the spinner to complete a full cycle.
- *
- * Since: 2.20
- */
- gtk_widget_class_install_style_property (widget_class,
- g_param_spec_uint ("cycle-duration",
- P_("Animation duration"),
- P_("The length of time in milliseconds for the spinner to complete a full loop"),
- 500,
- G_MAXUINT,
- 1000,
- G_PARAM_READABLE));
+
+ gtk_widget_class_set_accessible_type (widget_class, GTK_TYPE_SPINNER_ACCESSIBLE);
}
static void
gtk_spinner_init (GtkSpinner *spinner)
{
GtkSpinnerPrivate *priv;
+ GtkStyleContext *context;
priv = G_TYPE_INSTANCE_GET_PRIVATE (spinner,
GTK_TYPE_SPINNER,
GtkSpinnerPrivate);
- priv->current = 0;
- priv->timeout = 0;
-
spinner->priv = priv;
gtk_widget_set_has_window (GTK_WIDGET (spinner), FALSE);
-}
-
-static gboolean
-gtk_spinner_expose (GtkWidget *widget,
- GdkEventExpose *event)
-{
- GtkStateType state_type;
- GtkSpinnerPrivate *priv;
- int width, height;
-
- priv = GTK_SPINNER (widget)->priv;
-
- width = widget->allocation.width;
- height = widget->allocation.height;
-
- if ((width < 12) || (height <12))
- gtk_widget_set_size_request (widget, 12, 12);
-
- state_type = GTK_STATE_NORMAL;
- if (!gtk_widget_is_sensitive (widget))
- state_type = GTK_STATE_INSENSITIVE;
-
- gtk_paint_spinner (widget->style,
- widget->window,
- state_type,
- &event->area,
- widget,
- "spinner",
- priv->current,
- event->area.x, event->area.y,
- event->area.width, event->area.height);
-
- return FALSE;
-}
-
-static gboolean
-gtk_spinner_timeout (gpointer data)
-{
- GtkSpinnerPrivate *priv;
-
- priv = GTK_SPINNER (data)->priv;
-
- if (priv->current + 1 >= priv->num_steps)
- priv->current = 0;
- else
- priv->current++;
- gtk_widget_queue_draw (GTK_WIDGET (data));
-
- return TRUE;
-}
-
-static void
-gtk_spinner_add_timeout (GtkSpinner *spinner)
-{
- GtkSpinnerPrivate *priv;
-
- priv = spinner->priv;
-
- priv->timeout = gdk_threads_add_timeout ((guint) priv->cycle_duration / priv->num_steps, gtk_spinner_timeout, spinner);
-}
-
-static void
-gtk_spinner_remove_timeout (GtkSpinner *spinner)
-{
- GtkSpinnerPrivate *priv;
-
- priv = spinner->priv;
-
- g_source_remove (priv->timeout);
- priv->timeout = 0;
-}
-
-static void
-gtk_spinner_realize (GtkWidget *widget)
-{
- GtkSpinnerPrivate *priv;
-
- priv = GTK_SPINNER (widget)->priv;
-
- GTK_WIDGET_CLASS (gtk_spinner_parent_class)->realize (widget);
-
- if (priv->active)
- gtk_spinner_add_timeout (GTK_SPINNER (widget));
+ context = gtk_widget_get_style_context (GTK_WIDGET (spinner));
+ gtk_style_context_add_class (context, GTK_STYLE_CLASS_SPINNER);
}
static void
-gtk_spinner_unrealize (GtkWidget *widget)
+gtk_spinner_get_preferred_width (GtkWidget *widget,
+ gint *minimum_size,
+ gint *natural_size)
{
- GtkSpinnerPrivate *priv;
-
- priv = GTK_SPINNER (widget)->priv;
-
- if (priv->timeout != 0)
- {
- gtk_spinner_remove_timeout (GTK_SPINNER (widget));
- }
+ if (minimum_size)
+ *minimum_size = SPINNER_SIZE;
- GTK_WIDGET_CLASS (gtk_spinner_parent_class)->unrealize (widget);
+ if (natural_size)
+ *natural_size = SPINNER_SIZE;
}
static void
-gtk_spinner_screen_changed (GtkWidget* widget, GdkScreen* old_screen)
+gtk_spinner_get_preferred_height (GtkWidget *widget,
+ gint *minimum_size,
+ gint *natural_size)
{
- GtkSpinner *spinner;
- GdkScreen* new_screen;
- GdkColormap* colormap;
-
- spinner = GTK_SPINNER (widget);
-
- new_screen = gtk_widget_get_screen (widget);
- colormap = gdk_screen_get_rgba_colormap (new_screen);
+ if (minimum_size)
+ *minimum_size = SPINNER_SIZE;
- if (!colormap)
- {
- colormap = gdk_screen_get_rgb_colormap (new_screen);
- }
-
- gtk_widget_set_colormap (widget, colormap);
+ if (natural_size)
+ *natural_size = SPINNER_SIZE;
}
-static void
-gtk_spinner_style_set (GtkWidget *widget,
- GtkStyle *prev_style)
+static gboolean
+gtk_spinner_draw (GtkWidget *widget,
+ cairo_t *cr)
{
- GtkSpinnerPrivate *priv;
+ GtkStyleContext *context;
+ gint width, height;
+ gint size;
- priv = GTK_SPINNER (widget)->priv;
+ context = gtk_widget_get_style_context (widget);
- gtk_widget_style_get (GTK_WIDGET (widget),
- "num-steps", &(priv->num_steps),
- "cycle-duration", &(priv->cycle_duration),
- NULL);
+ width = gtk_widget_get_allocated_width (widget);
+ height = gtk_widget_get_allocated_height (widget);
+ size = MIN (width, height);
- if (priv->current > priv->num_steps)
- priv->current = 0;
-}
-
-static void
-gtk_spinner_dispose (GObject *gobject)
-{
- GtkSpinnerPrivate *priv;
-
- priv = GTK_SPINNER (gobject)->priv;
-
- if (priv->timeout != 0)
- {
- gtk_spinner_remove_timeout (GTK_SPINNER (gobject));
- }
+ gtk_render_activity (context, cr,
+ (width - size) / 2,
+ (height - size) / 2,
+ size, size);
- G_OBJECT_CLASS (gtk_spinner_parent_class)->dispose (gobject);
+ return FALSE;
}
static void
-gtk_spinner_set_active (GtkSpinner *spinner, gboolean active)
+gtk_spinner_set_active (GtkSpinner *spinner,
+ gboolean active)
{
- GtkSpinnerPrivate *priv;
-
- active = active != FALSE;
+ GtkSpinnerPrivate *priv = spinner->priv;
- priv = GTK_SPINNER (spinner)->priv;
+ active = !!active;
if (priv->active != active)
{
priv->active = active;
- g_object_notify (G_OBJECT (spinner), "active");
-
- if (active && gtk_widget_get_realized (GTK_WIDGET (spinner)) && priv->timeout == 0)
- {
- gtk_spinner_add_timeout (spinner);
- }
- else if (!active && priv->timeout != 0)
- {
- gtk_spinner_remove_timeout (spinner);
- }
- }
-}
-
-static GType
-gtk_spinner_accessible_factory_get_accessible_type (void)
-{
- return gtk_spinner_accessible_get_type ();
-}
-
-static AtkObject *
-gtk_spinner_accessible_new (GObject *obj)
-{
- AtkObject *accessible;
-
- g_return_val_if_fail (GTK_IS_WIDGET (obj), NULL);
-
- accessible = g_object_new (gtk_spinner_accessible_get_type (), NULL);
- atk_object_initialize (accessible, obj);
-
- return accessible;
-}
-
-static AtkObject*
-gtk_spinner_accessible_factory_create_accessible (GObject *obj)
-{
- return gtk_spinner_accessible_new (obj);
-}
-
-static void
-gtk_spinner_accessible_factory_class_init (AtkObjectFactoryClass *klass)
-{
- klass->create_accessible = gtk_spinner_accessible_factory_create_accessible;
- klass->get_accessible_type = gtk_spinner_accessible_factory_get_accessible_type;
-}
-
-static GType
-gtk_spinner_accessible_factory_get_type (void)
-{
- static GType type = 0;
-
- if (!type)
- {
- const GTypeInfo tinfo =
- {
- sizeof (AtkObjectFactoryClass),
- NULL, /* base_init */
- NULL, /* base_finalize */
- (GClassInitFunc) gtk_spinner_accessible_factory_class_init,
- NULL, /* class_finalize */
- NULL, /* class_data */
- sizeof (AtkObjectFactory),
- 0, /* n_preallocs */
- NULL, NULL
- };
-
- type = g_type_register_static (ATK_TYPE_OBJECT_FACTORY,
- I_("GtkSpinnerAccessibleFactory"),
- &tinfo, 0);
- }
- return type;
-}
-
-static AtkObjectClass *a11y_parent_class = NULL;
-
-static void
-gtk_spinner_accessible_initialize (AtkObject *accessible,
- gpointer widget)
-{
- atk_object_set_name (accessible, C_("throbbing progress animation widget", "Spinner"));
- atk_object_set_description (accessible, _("Provides visual indication of progress"));
-
- a11y_parent_class->initialize (accessible, widget);
-}
-
-static void
-gtk_spinner_accessible_class_init (AtkObjectClass *klass)
-{
- a11y_parent_class = g_type_class_peek_parent (klass);
-
- klass->initialize = gtk_spinner_accessible_initialize;
-}
-
-static void
-gtk_spinner_accessible_image_get_size (AtkImage *image,
- gint *width,
- gint *height)
-{
- GtkWidget *widget;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (image));
- if (!widget)
- {
- *width = *height = 0;
- }
- else
- {
- *width = widget->allocation.width;
- *height = widget->allocation.height;
- }
-}
-
-static void
-gtk_spinner_accessible_image_interface_init (AtkImageIface *iface)
-{
- iface->get_image_size = gtk_spinner_accessible_image_get_size;
-}
-
-static GType
-gtk_spinner_accessible_get_type (void)
-{
- static GType type = 0;
- /* Action interface
- Name etc. ... */
- if (G_UNLIKELY (type == 0))
- {
- const GInterfaceInfo atk_image_info = {
- (GInterfaceInitFunc) gtk_spinner_accessible_image_interface_init,
- (GInterfaceFinalizeFunc) NULL,
- NULL
- };
- GType type;
- GType parent_atk_type;
- GTypeInfo tinfo = { 0 };
- GTypeQuery query;
- AtkObjectFactory *factory;
-
- if ((type = g_type_from_name ("GtkSpinnerAccessible")))
- return type;
-
- factory = atk_registry_get_factory (atk_get_default_registry (),
- GTK_TYPE_IMAGE);
- if (!factory)
- return G_TYPE_INVALID;
-
- parent_atk_type = atk_object_factory_get_accessible_type (factory);
- if (!parent_atk_type)
- return G_TYPE_INVALID;
-
- /*
- * Figure out the size of the class and instance
- * we are deriving from
- */
- g_type_query (parent_atk_type, &query);
-
- tinfo.class_init = (GClassInitFunc) gtk_spinner_accessible_class_init;
- tinfo.class_size = query.class_size;
- tinfo.instance_size = query.instance_size;
-
- /* Register the type */
- type = g_type_register_static (parent_atk_type,
- "GtkSpinnerAccessible",
- &tinfo, 0);
-
- g_type_add_interface_static (type, ATK_TYPE_IMAGE,
- &atk_image_info);
- }
-
- return type;
-}
-
-static AtkObject *
-gtk_spinner_get_accessible (GtkWidget *widget)
-{
- static gboolean first_time = TRUE;
+ g_object_notify (G_OBJECT (spinner), "active");
- if (first_time)
- {
- AtkObjectFactory *factory;
- AtkRegistry *registry;
- GType derived_type;
- GType derived_atk_type;
-
- /*
- * Figure out whether accessibility is enabled by looking at the
- * type of the accessible object which would be created for
- * the parent type of GtkSpinner.
- */
- derived_type = g_type_parent (GTK_TYPE_SPINNER);
-
- registry = atk_get_default_registry ();
- factory = atk_registry_get_factory (registry,
- derived_type);
- derived_atk_type = atk_object_factory_get_accessible_type (factory);
- if (g_type_is_a (derived_atk_type, GTK_TYPE_ACCESSIBLE))
- atk_registry_set_factory_type (registry,
- GTK_TYPE_SPINNER,
- gtk_spinner_accessible_factory_get_type ());
- first_time = FALSE;
+ if (active)
+ gtk_widget_set_state_flags (GTK_WIDGET (spinner),
+ GTK_STATE_FLAG_ACTIVE, FALSE);
+ else
+ gtk_widget_unset_state_flags (GTK_WIDGET (spinner),
+ GTK_STATE_FLAG_ACTIVE);
}
- return GTK_WIDGET_CLASS (gtk_spinner_parent_class)->get_accessible (widget);
}
/**
projects / ~andy / gtk / blobdiff