* 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/>.
*/
/*
/**
* SECTION:gtkbutton
- * @Short_description: A widget that creates a signal when clicked on
+ * @Short_description: A widget that emits a signal when clicked on
* @Title: GtkButton
*
- * The #GtkButton widget is generally used to attach a function to that is
+ * The #GtkButton widget is generally used to trigger a callback function that is
* called when the button is pressed. The various signals and how to use them
* are outlined below.
*
- * The #GtkButton widget can hold any valid child widget. That is it can hold
- * most any other standard #GtkWidget. The most commonly used child is the
+ * The #GtkButton widget can hold any valid child widget. That is, it can hold
+ * almost any other standard #GtkWidget. The most commonly used child is the
* #GtkLabel.
*/
#include "gtkintl.h"
#include "a11y/gtkbuttonaccessible.h"
#include "gtkapplicationprivate.h"
-#include "gtkactionable.h"
+#include "gtkactionhelper.h"
static const GtkBorder default_default_border = { 1, 1, 1, 1 };
static const GtkBorder default_default_outside_border = { 0, 0, 0, 0 };
PROP_IMAGE_POSITION,
PROP_ACTION_NAME,
PROP_ACTION_TARGET,
+ PROP_ALWAYS_SHOW_IMAGE,
/* activatable properties */
PROP_ACTIVATABLE_RELATED_ACTION,
GdkEventButton * event);
static gint gtk_button_button_release (GtkWidget * widget,
GdkEventButton * event);
+static gboolean gtk_button_touch (GtkWidget *widget,
+ GdkEventTouch *event);
static gint gtk_button_grab_broken (GtkWidget * widget,
GdkEventGrabBroken * event);
static gint gtk_button_key_release (GtkWidget * widget, GdkEventKey * event);
GtkStateType previous_state);
static void gtk_button_grab_notify (GtkWidget *widget,
gboolean was_grabbed);
-static void gtk_button_hierarchy_changed (GtkWidget *widget,
- GtkWidget *previous_toplevel);
-
static void gtk_button_actionable_iface_init (GtkActionableInterface *iface);
static void gtk_button_activatable_interface_init(GtkActivatableIface *iface);
widget_class->draw = gtk_button_draw;
widget_class->button_press_event = gtk_button_button_press;
widget_class->button_release_event = gtk_button_button_release;
+ widget_class->touch_event = gtk_button_touch;
widget_class->grab_broken_event = gtk_button_grab_broken;
widget_class->key_release_event = gtk_button_key_release;
widget_class->enter_notify_event = gtk_button_enter_notify;
widget_class->leave_notify_event = gtk_button_leave_notify;
widget_class->state_changed = gtk_button_state_changed;
widget_class->grab_notify = gtk_button_grab_notify;
- widget_class->hierarchy_changed = gtk_button_hierarchy_changed;
container_class->child_type = gtk_button_child_type;
container_class->add = gtk_button_add;
GTK_POS_LEFT,
GTK_PARAM_READWRITE));
+ /**
+ * GtkButton:always-show-image:
+ *
+ * If %TRUE, the button will ignore the #GtkSettings:gtk-button-images
+ * setting and always show the image, if available.
+ *
+ * Use this property if the button would be useless or hard to use
+ * without the image.
+ *
+ * Since: 3.6
+ */
+ g_object_class_install_property (gobject_class,
+ PROP_ALWAYS_SHOW_IMAGE,
+ g_param_spec_boolean ("always-show-image",
+ P_("Always show image"),
+ P_("Whether the image will always be shown"),
+ FALSE,
+ GTK_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+
g_object_class_override_property (gobject_class, PROP_ACTION_NAME, "action-name");
g_object_class_override_property (gobject_class, PROP_ACTION_TARGET, "action-target");
priv->label_text = NULL;
}
- if (priv->action_name)
- {
- g_free (priv->action_name);
- priv->action_name = NULL;
- }
-
GTK_WIDGET_CLASS (gtk_button_parent_class)->destroy (widget);
}
GtkButton *button = GTK_BUTTON (object);
GtkButtonPrivate *priv = button->priv;
- g_clear_object (&priv->action_observer);
+ g_clear_object (&priv->action_helper);
if (priv->action)
{
G_OBJECT_CLASS (gtk_button_parent_class)->dispose (object);
}
-static void
-gtk_button_update_action_observer (GtkButton *button)
-{
- GtkWidget *window;
-
- g_signal_handlers_disconnect_by_func (button, gtk_real_button_clicked, NULL);
-
- /* we are the only owner so this will clear all the signals */
- g_clear_object (&button->priv->action_observer);
-
- window = gtk_widget_get_toplevel (GTK_WIDGET (button));
-
- if (GTK_IS_APPLICATION_WINDOW (window) && button->priv->action_name)
- {
- GSimpleActionObserver *observer;
-
- observer = gtk_application_window_get_observer (GTK_APPLICATION_WINDOW (window),
- button->priv->action_name,
- button->priv->action_target);
-
- _gtk_button_set_depressed (button, g_simple_action_observer_get_active (observer));
-
- if (g_object_class_find_property (G_OBJECT_GET_CLASS (button), "active"))
- g_object_bind_property (observer, "active", button, "active", G_BINDING_SYNC_CREATE);
- g_object_bind_property (observer, "enabled", button, "sensitive", G_BINDING_SYNC_CREATE);
-
- button->priv->action_observer = observer;
-
- g_signal_connect_after (button, "clicked", G_CALLBACK (gtk_real_button_clicked), NULL);
- }
-}
-
static void
gtk_button_set_action_name (GtkActionable *actionable,
const gchar *action_name)
{
GtkButton *button = GTK_BUTTON (actionable);
- g_return_if_fail (GTK_IS_BUTTON (button));
g_return_if_fail (button->priv->action == NULL);
- if (g_strcmp0 (action_name, button->priv->action_name) != 0)
- {
- g_free (button->priv->action_name);
- button->priv->action_name = g_strdup (action_name);
+ if (!button->priv->action_helper)
+ button->priv->action_helper = gtk_action_helper_new (actionable);
- gtk_button_update_action_observer (button);
+ g_signal_handlers_disconnect_by_func (button, gtk_real_button_clicked, NULL);
+ if (action_name)
+ g_signal_connect_after (button, "clicked", G_CALLBACK (gtk_real_button_clicked), NULL);
- g_object_notify (G_OBJECT (button), "action-name");
- }
+ gtk_action_helper_set_action_name (button->priv->action_helper, action_name);
}
static void
{
GtkButton *button = GTK_BUTTON (actionable);
- g_return_if_fail (GTK_IS_BUTTON (button));
-
- if (action_target != button->priv->action_target &&
- (!action_target || !button->priv->action_target ||
- !g_variant_equal (action_target, button->priv->action_target)))
- {
- if (button->priv->action_target)
- g_variant_unref (button->priv->action_target);
-
- button->priv->action_target = NULL;
-
- if (action_target)
- button->priv->action_target = g_variant_ref_sink (action_target);
+ if (!button->priv->action_helper)
+ button->priv->action_helper = gtk_action_helper_new (actionable);
- gtk_button_update_action_observer (button);
-
- g_object_notify (G_OBJECT (button), "action-target");
- }
+ gtk_action_helper_set_action_target_value (button->priv->action_helper, action_target);
}
static void
case PROP_IMAGE:
gtk_button_set_image (button, (GtkWidget *) g_value_get_object (value));
break;
+ case PROP_ALWAYS_SHOW_IMAGE:
+ gtk_button_set_always_show_image (button, g_value_get_boolean (value));
+ break;
case PROP_RELIEF:
gtk_button_set_relief (button, g_value_get_enum (value));
break;
case PROP_IMAGE:
g_value_set_object (value, (GObject *)priv->image);
break;
+ case PROP_ALWAYS_SHOW_IMAGE:
+ g_value_set_boolean (value, gtk_button_get_always_show_image (button));
+ break;
case PROP_RELIEF:
g_value_set_enum (value, priv->relief);
break;
g_value_set_boolean (value, priv->use_action_appearance);
break;
case PROP_ACTION_NAME:
- g_value_set_string (value, priv->action_name);
+ g_value_set_string (value, gtk_action_helper_get_action_name (priv->action_helper));
break;
case PROP_ACTION_TARGET:
- g_value_set_variant (value, priv->action_target);
+ g_value_set_variant (value, gtk_action_helper_get_action_target_value (priv->action_helper));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
{
GtkButton *button = GTK_BUTTON (actionable);
- return button->priv->action_name;
+ return gtk_action_helper_get_action_name (button->priv->action_helper);
}
static GVariant *
{
GtkButton *button = GTK_BUTTON (actionable);
- return button->priv->action_target;
+ return gtk_action_helper_get_action_target_value (button->priv->action_helper);
}
static void
activatable_update_gicon (GTK_BUTTON (activatable), action);
activatable_update_icon_name (GTK_BUTTON (activatable), action);
}
+
+ gtk_button_set_always_show_image (button,
+ gtk_action_get_always_show_image (action));
}
static void
{
GtkButtonPrivate *priv = button->priv;
- g_return_if_fail (button->priv->action_name == NULL);
+ g_return_if_fail (gtk_action_helper_get_action_name (button->priv->action_helper) == NULL);
if (priv->action == action)
return;
GtkButtonPrivate *priv = button->priv;
gboolean show;
- if (priv->label_text)
+ if (priv->label_text && !priv->always_show_image)
{
GtkSettings *settings;
return show;
}
+
static void
gtk_button_construct_child (GtkButton *button)
{
attributes.wclass = GDK_INPUT_ONLY;
attributes.event_mask = gtk_widget_get_events (widget);
attributes.event_mask |= (GDK_BUTTON_PRESS_MASK |
- GDK_BUTTON_RELEASE_MASK |
- GDK_ENTER_NOTIFY_MASK |
- GDK_LEAVE_NOTIFY_MASK);
+ GDK_BUTTON_RELEASE_MASK |
+ GDK_TOUCH_MASK |
+ GDK_ENTER_NOTIFY_MASK |
+ GDK_LEAVE_NOTIFY_MASK);
attributes_mask = GDK_WA_X | GDK_WA_Y;
priv->event_window = gdk_window_new (window,
&attributes, attributes_mask);
- gdk_window_set_user_data (priv->event_window, button);
+ gtk_widget_register_window (widget, priv->event_window);
}
static void
if (priv->event_window)
{
- gdk_window_set_user_data (priv->event_window, NULL);
+ gtk_widget_unregister_window (widget, priv->event_window);
gdk_window_destroy (priv->event_window);
priv->event_window = NULL;
}
GtkButtonPrivate *priv = button->priv;
if (priv->event_window)
- gdk_window_hide (priv->event_window);
+ {
+ gdk_window_hide (priv->event_window);
+ priv->in_button = FALSE;
+ }
GTK_WIDGET_CLASS (gtk_button_parent_class)->unmap (widget);
}
}
}
-void
-_gtk_button_paint (GtkButton *button,
- cairo_t *cr,
- int width,
- int height,
- GtkStateFlags state)
+static gboolean
+gtk_button_draw (GtkWidget *widget,
+ cairo_t *cr)
{
+ GtkButton *button = GTK_BUTTON (widget);
GtkButtonPrivate *priv = button->priv;
- GtkWidget *widget;
gint x, y;
GtkBorder default_border;
GtkBorder default_outside_border;
gint focus_pad;
GtkAllocation allocation;
GtkStyleContext *context;
+ GtkStateFlags state;
gboolean draw_focus;
+ gint width, height;
- widget = GTK_WIDGET (button);
context = gtk_widget_get_style_context (widget);
-
- gtk_style_context_save (context);
+ state = gtk_style_context_get_state (context);
gtk_button_get_props (button, &default_border, &default_outside_border, NULL, NULL, &interior_focus);
gtk_style_context_get_style (context,
x = 0;
y = 0;
+ width = allocation.width;
+ height = allocation.height;
if (gtk_widget_has_default (widget) &&
priv->relief == GTK_RELIEF_NORMAL)
y += default_border.top;
width -= default_border.left + default_border.right;
height -= default_border.top + default_border.bottom;
-
- gtk_style_context_add_class (context, GTK_STYLE_CLASS_DEFAULT);
}
else if (gtk_widget_get_can_default (widget))
{
gtk_render_focus (context, cr, x, y, width, height);
}
- gtk_style_context_restore (context);
-}
-
-static gboolean
-gtk_button_draw (GtkWidget *widget,
- cairo_t *cr)
-{
- GtkButton *button = GTK_BUTTON (widget);
-
- _gtk_button_paint (button, cr,
- gtk_widget_get_allocated_width (widget),
- gtk_widget_get_allocated_height (widget),
- gtk_widget_get_state_flags (widget));
-
GTK_WIDGET_CLASS (gtk_button_parent_class)->draw (widget, cr);
return FALSE;
if (priv->focus_on_click && !gtk_widget_has_focus (widget))
gtk_widget_grab_focus (widget);
- if (event->button == 1)
+ if (event->button == GDK_BUTTON_PRIMARY)
g_signal_emit (button, button_signals[PRESSED], 0);
}
{
GtkButton *button;
- if (event->button == 1)
+ if (event->button == GDK_BUTTON_PRIMARY)
{
button = GTK_BUTTON (widget);
g_signal_emit (button, button_signals[RELEASED], 0);
return TRUE;
}
+static gboolean
+gtk_button_touch (GtkWidget *widget,
+ GdkEventTouch *event)
+{
+ GtkButton *button = GTK_BUTTON (widget);
+ GtkButtonPrivate *priv = button->priv;
+
+ if (event->type == GDK_TOUCH_BEGIN)
+ {
+ if (priv->focus_on_click && !gtk_widget_has_focus (widget))
+ gtk_widget_grab_focus (widget);
+
+ g_signal_emit (button, button_signals[PRESSED], 0);
+ }
+ else if (event->type == GDK_TOUCH_END)
+ {
+ g_signal_emit (button, button_signals[RELEASED], 0);
+ }
+
+ return TRUE;
+}
+
static gboolean
gtk_button_grab_broken (GtkWidget *widget,
GdkEventGrabBroken *event)
gtk_button_update_state (button);
}
+static gboolean
+touch_release_in_button (GtkButton *button)
+{
+ GtkButtonPrivate *priv;
+ gint width, height;
+ GdkEvent *event;
+ gdouble x, y;
+
+ priv = button->priv;
+ event = gtk_get_current_event ();
+
+ if (!event)
+ return FALSE;
+
+ if (event->type != GDK_TOUCH_END ||
+ event->touch.window != priv->event_window)
+ {
+ gdk_event_free (event);
+ return FALSE;
+ }
+
+ gdk_event_get_coords (event, &x, &y);
+ width = gdk_window_get_width (priv->event_window);
+ height = gdk_window_get_height (priv->event_window);
+
+ gdk_event_free (event);
+
+ if (x >= 0 && x <= width &&
+ y >= 0 && y <= height)
+ return TRUE;
+
+ return FALSE;
+}
+
static void
gtk_real_button_released (GtkButton *button)
{
if (priv->activate_timeout)
return;
- if (priv->in_button)
+ if (priv->in_button ||
+ touch_release_in_button (button))
gtk_button_clicked (button);
gtk_button_update_state (button);
{
GtkButtonPrivate *priv = button->priv;
- if (priv->action_observer)
- g_simple_action_observer_activate (priv->action_observer);
+ if (priv->action_helper)
+ gtk_action_helper_activate (priv->action_helper);
if (priv->action)
gtk_action_activate (priv->action);
if (priv->in_button)
new_state |= GTK_STATE_FLAG_PRELIGHT;
- if (priv->button_down || depressed)
+ if (depressed)
new_state |= GTK_STATE_FLAG_ACTIVE;
_gtk_button_set_depressed (button, depressed);
}
}
-static void
-gtk_button_hierarchy_changed (GtkWidget *widget,
- GtkWidget *previous_toplevel)
-{
- GtkButton *button = GTK_BUTTON (widget);
- GtkWidgetClass *parent_class;
-
- parent_class = GTK_WIDGET_CLASS (gtk_button_parent_class);
- if (parent_class->hierarchy_changed)
- parent_class->hierarchy_changed (widget, previous_toplevel);
-
- if (button->priv->action_name)
- {
- GtkWidget *toplevel;
-
- toplevel = gtk_widget_get_toplevel (widget);
-
- if (toplevel != previous_toplevel)
- gtk_button_update_action_observer (button);
- }
-}
-
/**
* gtk_button_set_image:
* @button: a #GtkButton
return button->priv->image_position;
}
+/**
+ * gtk_button_set_always_show_image:
+ * @button: a #GtkButton
+ * @always_show: %TRUE if the menuitem should always show the image
+ *
+ * If %TRUE, the button will ignore the #GtkSettings:gtk-button-images
+ * setting and always show the image, if available.
+ *
+ * Use this property if the button would be useless or hard to use
+ * without the image.
+ *
+ * Since: 3.6
+ */
+void
+gtk_button_set_always_show_image (GtkButton *button,
+ gboolean always_show)
+{
+ GtkButtonPrivate *priv;
+
+ g_return_if_fail (GTK_IS_BUTTON (button));
+
+ priv = button->priv;
+
+ if (priv->always_show_image != always_show)
+ {
+ priv->always_show_image = always_show;
+
+ if (priv->image)
+ {
+ if (show_image (button))
+ gtk_widget_show (priv->image);
+ else
+ gtk_widget_hide (priv->image);
+ }
+
+ g_object_notify (G_OBJECT (button), "always-show-image");
+ }
+}
+
+/**
+ * gtk_button_get_always_show_image:
+ * @button: a #GtkButton
+ *
+ * Returns whether the button will ignore the #GtkSettings:gtk-button-images
+ * setting and always show the image, if available.
+ *
+ * Returns: %TRUE if the button will always show the image
+ *
+ * Since: 3.6
+ */
+gboolean
+gtk_button_get_always_show_image (GtkButton *button)
+{
+ g_return_val_if_fail (GTK_IS_BUTTON (button), FALSE);
+
+ return button->priv->always_show_image;
+}
+
/**
* gtk_button_get_event_window:
* @button: a #GtkButton
projects / ~andy / gtk / blobdiff