/**
* 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 "gtkmain.h"
#include "gtkmarshalers.h"
#include "gtkimage.h"
-#include "gtkhbox.h"
-#include "gtkvbox.h"
+#include "gtkbox.h"
#include "gtkstock.h"
#include "gtkiconfactory.h"
#include "gtkactivatable.h"
#include "gtktypebuiltins.h"
#include "gtkprivate.h"
#include "gtkintl.h"
-
+#include "a11y/gtkbuttonaccessible.h"
+#include "gtkapplicationprivate.h"
+#include "gtkactionable.h"
static const GtkBorder default_default_border = { 1, 1, 1, 1 };
static const GtkBorder default_default_outside_border = { 0, 0, 0, 0 };
-static const GtkBorder default_inner_border = { 1, 1, 1, 1 };
/* Time out before giving up on getting a key release when animating
* the close button.
PROP_XALIGN,
PROP_YALIGN,
PROP_IMAGE_POSITION,
+ PROP_ACTION_NAME,
+ PROP_ACTION_TARGET,
/* activatable properties */
PROP_ACTIVATABLE_RELATED_ACTION,
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);
static void gtk_button_update (GtkActivatable *activatable,
GtkAction *action,
static guint button_signals[LAST_SIGNAL] = { 0 };
G_DEFINE_TYPE_WITH_CODE (GtkButton, gtk_button, GTK_TYPE_BIN,
+ G_IMPLEMENT_INTERFACE (GTK_TYPE_ACTIONABLE, gtk_button_actionable_iface_init)
G_IMPLEMENT_INTERFACE (GTK_TYPE_ACTIVATABLE,
gtk_button_activatable_interface_init))
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;
* GtkButton:xalign:
*
* If the child of the button is a #GtkMisc or #GtkAlignment, this property
- * can be used to control it's horizontal alignment. 0.0 is left aligned,
+ * can be used to control its horizontal alignment. 0.0 is left aligned,
* 1.0 is right aligned.
*
* Since: 2.4
* GtkButton:yalign:
*
* If the child of the button is a #GtkMisc or #GtkAlignment, this property
- * can be used to control it's vertical alignment. 0.0 is top aligned,
+ * can be used to control its vertical alignment. 0.0 is top aligned,
* 1.0 is bottom aligned.
*
* Since: 2.4
GTK_POS_LEFT,
GTK_PARAM_READWRITE));
+ g_object_class_override_property (gobject_class, PROP_ACTION_NAME, "action-name");
+ g_object_class_override_property (gobject_class, PROP_ACTION_TARGET, "action-target");
+
g_object_class_override_property (gobject_class, PROP_ACTIVATABLE_RELATED_ACTION, "related-action");
g_object_class_override_property (gobject_class, PROP_ACTIVATABLE_USE_ACTION_APPEARANCE, "use-action-appearance");
* Sets the border between the button edges and child.
*
* Since: 2.10
+ *
+ * Deprecated: 3.4: Use the standard border and padding CSS properties;
+ * the value of this style property is ignored.
*/
gtk_widget_class_install_style_property (widget_class,
g_param_spec_boxed ("inner-border",
GTK_PARAM_READABLE));
g_type_class_add_private (gobject_class, sizeof (GtkButtonPrivate));
+
+ gtk_widget_class_set_accessible_type (widget_class, GTK_TYPE_BUTTON_ACCESSIBLE);
}
static void
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);
+
if (priv->action)
{
gtk_activatable_do_set_related_action (GTK_ACTIVATABLE (button), NULL);
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_create_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);
+
+ g_free (button->priv->action_name);
+ button->priv->action_name = g_strdup (action_name);
+
+ gtk_button_update_action_observer (button);
+
+ g_object_notify (G_OBJECT (button), "action-name");
+}
+
+static void
+gtk_button_set_action_target_value (GtkActionable *actionable,
+ GVariant *action_target)
+{
+ 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);
+
+ gtk_button_update_action_observer (button);
+
+ g_object_notify (G_OBJECT (button), "action-target");
+ }
+}
+
static void
gtk_button_set_property (GObject *object,
guint prop_id,
case PROP_ACTIVATABLE_USE_ACTION_APPEARANCE:
gtk_button_set_use_action_appearance (button, g_value_get_boolean (value));
break;
+ case PROP_ACTION_NAME:
+ gtk_button_set_action_name (GTK_ACTIONABLE (button), g_value_get_string (value));
+ break;
+ case PROP_ACTION_TARGET:
+ gtk_button_set_action_target_value (GTK_ACTIONABLE (button), g_value_get_variant (value));
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
case PROP_ACTIVATABLE_USE_ACTION_APPEARANCE:
g_value_set_boolean (value, priv->use_action_appearance);
break;
+ case PROP_ACTION_NAME:
+ g_value_set_string (value, priv->action_name);
+ break;
+ case PROP_ACTION_TARGET:
+ g_value_set_variant (value, priv->action_target);
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
+static const gchar *
+gtk_button_get_action_name (GtkActionable *actionable)
+{
+ GtkButton *button = GTK_BUTTON (actionable);
+
+ return button->priv->action_name;
+}
+
+static GVariant *
+gtk_button_get_action_target_value (GtkActionable *actionable)
+{
+ GtkButton *button = GTK_BUTTON (actionable);
+
+ return button->priv->action_target;
+}
+
+static void
+gtk_button_actionable_iface_init (GtkActionableInterface *iface)
+{
+ iface->get_action_name = gtk_button_get_action_name;
+ iface->set_action_name = gtk_button_set_action_name;
+ iface->get_action_target_value = gtk_button_get_action_target_value;
+ iface->set_action_target_value = gtk_button_set_action_target_value;
+}
+
static void
gtk_button_activatable_interface_init (GtkActivatableIface *iface)
{
{
GtkButtonPrivate *priv = button->priv;
+ g_return_if_fail (button->priv->action_name == NULL);
+
if (priv->action == action)
return;
* gtk_button_new_with_mnemonic:
* @label: The text of the button, with an underscore in front of the
* mnemonic character
- * @returns: a new #GtkButton
*
* Creates a new #GtkButton containing a label.
* If characters in @label are preceded by an underscore, they are underlined.
- * If you need a literal underscore character in a label, use '__' (two
- * underscores). The first underlined character represents a keyboard
+ * If you need a literal underscore character in a label, use '__' (two
+ * underscores). The first underlined character represents a keyboard
* accelerator called a mnemonic.
* Pressing Alt and that key activates the button.
+ *
+ * Returns: a new #GtkButton
**/
GtkWidget*
gtk_button_new_with_mnemonic (const gchar *label)
{
GtkStyleContext *context;
+ GTK_WIDGET_CLASS (gtk_button_parent_class)->style_updated (widget);
+
context = gtk_widget_get_style_context (widget);
gtk_button_update_image_spacing (GTK_BUTTON (widget), context);
gtk_button_get_props (GtkButton *button,
GtkBorder *default_border,
GtkBorder *default_outside_border,
- GtkBorder *inner_border,
+ GtkBorder *padding,
+ GtkBorder *border,
gboolean *interior_focus)
{
GtkStyleContext *context;
+ GtkStateFlags state;
GtkBorder *tmp_border;
context = gtk_widget_get_style_context (GTK_WIDGET (button));
+ state = gtk_style_context_get_state (context);
if (default_border)
{
*default_outside_border = default_default_outside_border;
}
- if (inner_border)
- {
- gtk_style_context_get_style (context,
- "inner-border", &tmp_border,
- NULL);
-
- if (tmp_border)
- {
- *inner_border = *tmp_border;
- gtk_border_free (tmp_border);
- }
- else
- *inner_border = default_inner_border;
- }
-
if (interior_focus)
{
gtk_style_context_get_style (context,
"interior-focus", interior_focus,
NULL);
}
+
+ if (padding)
+ gtk_style_context_get_padding (context, state, padding);
+
+ if (border)
+ gtk_style_context_get_border (context, state, border);
}
static void
GtkButtonPrivate *priv = button->priv;
GtkAllocation child_allocation;
GtkStyleContext *context;
- GtkStateFlags state;
GtkWidget *child;
GtkBorder default_border;
- GtkBorder inner_border;
- GtkBorder *border;
+ GtkBorder padding;
+ GtkBorder border;
gint focus_width;
gint focus_pad;
context = gtk_widget_get_style_context (widget);
- state = gtk_widget_get_state_flags (widget);
- gtk_button_get_props (button, &default_border, NULL, &inner_border, NULL);
+ gtk_button_get_props (button, &default_border, NULL,
+ &padding, &border, NULL);
gtk_style_context_get_style (context,
"focus-line-width", &focus_width,
"focus-padding", &focus_pad,
NULL);
- gtk_style_context_get (context, state,
- "border-width", &border,
- NULL);
-
gtk_widget_set_allocation (widget, allocation);
if (gtk_widget_get_realized (widget))
child = gtk_bin_get_child (GTK_BIN (button));
if (child && gtk_widget_get_visible (child))
{
- child_allocation.x = allocation->x + inner_border.left + border->left;
- child_allocation.y = allocation->y + inner_border.top + border->top;
+ child_allocation.x = allocation->x + padding.left + border.left;
+ child_allocation.y = allocation->y + padding.top + border.top;
child_allocation.width =
allocation->width -
- (border->left + border->right) -
- inner_border.left -
- inner_border.right;
+ (padding.left + padding.right) -
+ (border.left + border.right);
child_allocation.height =
allocation->height -
- (border->top + border->bottom) -
- inner_border.top -
- inner_border.bottom;
+ (padding.top + padding.bottom) -
+ (border.top + border.bottom);
if (gtk_widget_get_can_default (GTK_WIDGET (button)))
{
gtk_widget_size_allocate (child, &child_allocation);
}
-
- gtk_border_free (border);
}
void
gint focus_width;
gint focus_pad;
GtkAllocation allocation;
- GdkWindow *window;
GtkStyleContext *context;
+ gboolean draw_focus;
widget = GTK_WIDGET (button);
context = gtk_widget_get_style_context (widget);
gtk_style_context_save (context);
gtk_style_context_set_state (context, state);
- gtk_button_get_props (button, &default_border, &default_outside_border, NULL, &interior_focus);
+ gtk_button_get_props (button, &default_border, &default_outside_border, NULL, NULL, &interior_focus);
gtk_style_context_get_style (context,
"focus-line-width", &focus_width,
"focus-padding", &focus_pad,
NULL);
gtk_widget_get_allocation (widget, &allocation);
- window = gtk_widget_get_window (widget);
x = 0;
y = 0;
width -= default_outside_border.left + default_outside_border.right;
height -= default_outside_border.top + default_outside_border.bottom;
}
-
- if (!interior_focus && gtk_widget_has_focus (widget))
+
+ draw_focus = gtk_widget_has_visible_focus (widget);
+
+
+ if (!interior_focus && draw_focus)
{
x += focus_width + focus_pad;
y += focus_width + focus_pad;
x, y, width, height);
}
- if (gtk_widget_has_focus (widget))
+ if (draw_focus)
{
gint child_displacement_x;
gint child_displacement_y;
gboolean displace_focus;
- GtkBorder *border;
+ GtkBorder border;
gtk_style_context_get_style (context,
"child-displacement-y", &child_displacement_y,
"child-displacement-x", &child_displacement_x,
"displace-focus", &displace_focus,
NULL);
-
- gtk_style_context_get (context, state,
- "border-width", &border,
- NULL);
+ gtk_style_context_get_border (context, state, &border);
if (interior_focus)
{
- x += border->left + focus_pad;
- y += border->top + focus_pad;
- width -= (2 * focus_pad) + border->left + border->right;
- height -= (2 * focus_pad) + border->top + border->bottom;
+ x += border.left + focus_pad;
+ y += border.top + focus_pad;
+ width -= (2 * focus_pad) + border.left + border.right;
+ height -= (2 * focus_pad) + border.top + border.bottom;
}
else
{
y += child_displacement_y;
}
- gtk_render_focus (context, cr,
- x, y, width, height);
-
- gtk_border_free (border);
+ gtk_render_focus (context, cr, x, y, width, height);
}
gtk_style_context_restore (context);
if (priv->focus_on_click && !gtk_widget_has_focus (widget))
gtk_widget_grab_focus (widget);
- if (event->button == 1)
- gtk_button_pressed (button);
+ if (event->button == GDK_BUTTON_PRIMARY)
+ g_signal_emit (button, button_signals[PRESSED], 0);
}
return TRUE;
{
GtkButton *button;
- if (event->button == 1)
+ if (event->button == GDK_BUTTON_PRIMARY)
{
button = GTK_BUTTON (widget);
- gtk_button_released (button);
+ g_signal_emit (button, button_signals[RELEASED], 0);
}
return TRUE;
{
save_in = priv->in_button;
priv->in_button = FALSE;
- gtk_button_released (button);
+ g_signal_emit (button, button_signals[RELEASED], 0);
if (save_in != priv->in_button)
{
priv->in_button = save_in;
(event->detail != GDK_NOTIFY_INFERIOR))
{
priv->in_button = TRUE;
- gtk_button_enter (button);
+ g_signal_emit (button, button_signals[ENTER], 0);
}
return FALSE;
(gtk_widget_get_sensitive (widget)))
{
priv->in_button = FALSE;
- gtk_button_leave (button);
+ g_signal_emit (button, button_signals[LEAVE], 0);
}
return FALSE;
{
GtkButtonPrivate *priv = button->priv;
+ if (priv->action_observer)
+ g_simple_action_observer_activate (priv->action_observer);
+
if (priv->action)
gtk_action_activate (priv->action);
}
{
if (gdk_device_grab (device, priv->event_window,
GDK_OWNERSHIP_WINDOW, TRUE,
- GDK_KEY_PRESS | GDK_KEY_RELEASE,
+ GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK,
NULL, time) == GDK_GRAB_SUCCESS)
{
gtk_device_grab_add (widget, device, TRUE);
{
GtkButton *button = GTK_BUTTON (widget);
GtkStyleContext *context;
- GtkStateFlags state;
GtkWidget *child;
GtkBorder default_border;
- GtkBorder inner_border;
- GtkBorder *border;
+ GtkBorder padding;
+ GtkBorder border;
gint focus_width;
gint focus_pad;
gint minimum, natural;
context = gtk_widget_get_style_context (widget);
- state = gtk_widget_get_state_flags (widget);
- gtk_button_get_props (button, &default_border, NULL, &inner_border, NULL);
+ gtk_button_get_props (button, &default_border, NULL,
+ &padding, &border, NULL);
gtk_style_context_get_style (context,
"focus-line-width", &focus_width,
"focus-padding", &focus_pad,
NULL);
- gtk_style_context_get (context, state,
- "border-width", &border,
- NULL);
-
if (orientation == GTK_ORIENTATION_HORIZONTAL)
{
- minimum = (border->left + border->right +
- inner_border.left + inner_border.right);
+ minimum = padding.left + padding.right +
+ border.left + border.right;
if (gtk_widget_get_can_default (GTK_WIDGET (widget)))
minimum += default_border.left + default_border.right;
}
else
{
- minimum = (border->top + border->bottom +
- inner_border.top + inner_border.bottom);
+ minimum = padding.top + padding.bottom +
+ border.top + border.bottom;
if (gtk_widget_get_can_default (GTK_WIDGET (widget)))
minimum += default_border.top + default_border.bottom;
if (natural_size)
*natural_size = natural;
-
- gtk_border_free (border);
}
static void
* Return value: The text of the label widget. This string is owned
* by the widget and must not be modified or freed.
**/
-G_CONST_RETURN gchar *
+const gchar *
gtk_button_get_label (GtkButton *button)
{
g_return_val_if_fail (GTK_IS_BUTTON (button), NULL);
gtk_button_update_state (GtkButton *button)
{
GtkButtonPrivate *priv = button->priv;
- GtkStateFlags new_state = 0;
+ GtkStateFlags new_state;
gboolean depressed;
if (priv->activate_timeout)
else
depressed = priv->in_button && priv->button_down;
+ new_state = gtk_widget_get_state_flags (GTK_WIDGET (button)) &
+ ~(GTK_STATE_FLAG_PRELIGHT | GTK_STATE_FLAG_ACTIVE);
+
if (priv->in_button)
new_state |= GTK_STATE_FLAG_PRELIGHT;
}
}
+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_get_event_window:
* @button: a #GtkButton
projects / ~andy / gtk / blobdiff