* 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/>.
*/
/*
#include <cairo-gobject.h>
#include "gtkcontainer.h"
-#include "gtkaccelmap.h"
+#include "gtkaccelmapprivate.h"
#include "gtkclipboard.h"
+#include "gtkcssstylepropertyprivate.h"
#include "gtkiconfactory.h"
#include "gtkintl.h"
#include "gtkmarshalers.h"
#include "gtkselectionprivate.h"
#include "gtksettingsprivate.h"
#include "gtksizegroup-private.h"
+#include "gtksizerequestcacheprivate.h"
#include "gtkwidget.h"
#include "gtkwidgetprivate.h"
#include "gtkwindowprivate.h"
#include "gtkbuilderprivate.h"
#include "gtksizerequest.h"
#include "gtkstylecontextprivate.h"
-#include "gtksymboliccolor.h"
#include "gtkcssprovider.h"
-#include "gtkanimationdescription.h"
#include "gtkmodifierstyle.h"
#include "gtkversion.h"
#include "gtkdebug.h"
* all flags will be set on children (think prelight or active), but we
* might want to not do this for some.
*/
-#define GTK_STATE_FLAGS_DONT_PROPAGATE (GTK_STATE_FLAG_FOCUSED)
+#define GTK_STATE_FLAGS_DONT_PROPAGATE (GTK_STATE_FLAG_FOCUSED | GTK_STATE_FLAG_DIR_LTR | GTK_STATE_FLAG_DIR_RTL)
#define GTK_STATE_FLAGS_DO_PROPAGATE (~GTK_STATE_FLAGS_DONT_PROPAGATE)
#define WIDGET_CLASS(w) GTK_WIDGET_GET_CLASS (w)
-#define GTK_STATE_FLAGS_BITS 7
+#define GTK_STATE_FLAGS_BITS 9
struct _GtkWidgetPrivate
{
guint in_reparent : 1;
/* Queue-resize related flags */
- guint resize_pending : 1;
guint alloc_needed : 1;
- guint width_request_needed : 1;
- guint height_request_needed : 1;
/* Expand-related flags */
guint need_compute_expand : 1; /* Need to recompute computed_[hv]_expand */
guint vexpand_set : 1; /* instead of computing from children */
/* SizeGroup related flags */
- guint sizegroup_visited : 1;
- guint sizegroup_bumping : 1;
guint have_size_groups : 1;
/* The widget's name. If the widget does not have a name
*/
gchar *name;
+ /* The list of attached windows to this widget.
+ * We keep a list in order to call reset_style to all of them,
+ * recursively. */
+ GList *attached_windows;
+
/* The style for the widget. The style contains the
* colors the widget should be drawn in for each state
* along with graphics contexts used to draw with and
/* The widget's requested sizes */
SizeRequestCache requests;
+ /* actions attached to this or any parent widget */
+ GActionMuxer *muxer;
+
/* The widget's window or its parent window if it does
* not have a window. (Which will be indicated by the
* GTK_NO_WINDOW flag being set).
QUERY_TOOLTIP,
DRAG_FAILED,
STYLE_UPDATED,
+ TOUCH_EVENT,
LAST_SIGNAL
};
{
guint flags : GTK_STATE_FLAGS_BITS;
guint operation : 2;
- guint use_forall : 1;
};
/* --- prototypes --- */
guint prop_id,
GValue *value,
GParamSpec *pspec);
+static void gtk_widget_constructed (GObject *object);
static void gtk_widget_dispose (GObject *object);
static void gtk_widget_real_destroy (GtkWidget *object);
static void gtk_widget_finalize (GObject *object);
GdkEventFocus *event);
static gboolean gtk_widget_real_focus_out_event (GtkWidget *widget,
GdkEventFocus *event);
+static gboolean gtk_widget_real_touch_event (GtkWidget *widget,
+ GdkEventTouch *event);
static gboolean gtk_widget_real_focus (GtkWidget *widget,
GtkDirectionType direction);
static void gtk_widget_real_move_focus (GtkWidget *widget,
static void gtk_widget_invalidate_widget_windows (GtkWidget *widget,
cairo_region_t *region);
static GdkScreen * gtk_widget_get_screen_unchecked (GtkWidget *widget);
-static void gtk_widget_queue_shallow_draw (GtkWidget *widget);
static gboolean gtk_widget_real_can_activate_accel (GtkWidget *widget,
guint signal_id);
GdkDevice *device,
gboolean recurse,
gboolean enabled);
+static gboolean event_window_is_still_viewable (GdkEvent *event);
/* --- variables --- */
static gpointer gtk_widget_parent_class = NULL;
cairo_restore (cr);
}
+static void
+gtk_widget_draw_marshallerv (GClosure *closure,
+ GValue *return_value,
+ gpointer instance,
+ va_list args,
+ gpointer marshal_data,
+ int n_params,
+ GType *param_types)
+{
+ cairo_t *cr;
+ va_list args_copy;
+
+ G_VA_COPY (args_copy, args);
+ cr = va_arg (args_copy, gpointer);
+
+ cairo_save (cr);
+
+ _gtk_marshal_BOOLEAN__BOXEDv (closure,
+ return_value,
+ instance,
+ args,
+ marshal_data,
+ n_params,
+ param_types);
+
+ cairo_restore (cr);
+
+ va_end (args_copy);
+}
+
static void
gtk_widget_class_init (GtkWidgetClass *klass)
{
cpn_context.dispatcher = child_property_notify_dispatcher;
_gtk_widget_child_property_notify_context = &cpn_context;
+ gobject_class->constructed = gtk_widget_constructed;
gobject_class->dispose = gtk_widget_dispose;
gobject_class->finalize = gtk_widget_finalize;
gobject_class->set_property = gtk_widget_set_property;
klass->button_press_event = NULL;
klass->button_release_event = NULL;
klass->motion_notify_event = NULL;
+ klass->touch_event = gtk_widget_real_touch_event;
klass->delete_event = NULL;
klass->destroy_event = NULL;
klass->key_press_event = gtk_widget_real_key_press_event;
GTK_PARAM_READABLE));
/**
- * GtkWidget:double-buffered
+ * GtkWidget:double-buffered:
*
* Whether the widget is double buffered.
*
GTK_PARAM_READWRITE));
/**
- * GtkWidget:margin-left
+ * GtkWidget:margin-left:
*
* Margin on left side of widget.
*
GTK_PARAM_READWRITE));
/**
- * GtkWidget:margin-right
+ * GtkWidget:margin-right:
*
* Margin on right side of widget.
*
GTK_PARAM_READWRITE));
/**
- * GtkWidget:margin-top
+ * GtkWidget:margin-top:
*
* Margin on top side of widget.
*
GTK_PARAM_READWRITE));
/**
- * GtkWidget:margin-bottom
+ * GtkWidget:margin-bottom:
*
* Margin on bottom side of widget.
*
GTK_PARAM_READWRITE));
/**
- * GtkWidget:margin
+ * GtkWidget:margin:
*
* Sets all four sides' margin at once. If read, returns max
* margin on any side.
G_TYPE_NONE, 0);
/**
- * GtkWidget:hexpand
+ * GtkWidget:hexpand:
*
* Whether to expand horizontally. See gtk_widget_set_hexpand().
*
GTK_PARAM_READWRITE));
/**
- * GtkWidget:hexpand-set
+ * GtkWidget:hexpand-set:
*
* Whether to use the #GtkWidget:hexpand property. See gtk_widget_get_hexpand_set().
*
GTK_PARAM_READWRITE));
/**
- * GtkWidget:vexpand
+ * GtkWidget:vexpand:
*
* Whether to expand vertically. See gtk_widget_set_vexpand().
*
GTK_PARAM_READWRITE));
/**
- * GtkWidget:vexpand-set
+ * GtkWidget:vexpand-set:
*
* Whether to use the #GtkWidget:vexpand property. See gtk_widget_get_vexpand_set().
*
GTK_PARAM_READWRITE));
/**
- * GtkWidget:expand
+ * GtkWidget:expand:
*
* Whether to expand in both directions. Setting this sets both #GtkWidget:hexpand and #GtkWidget:vexpand
*
/**
* GtkWidget::child-notify:
* @widget: the object which received the signal
- * @pspec: the #GParamSpec of the changed child property
+ * @child_property: the #GParamSpec of the changed child property
*
* The ::child-notify signal is emitted for each
* <link linkend="child-properties">child property</link> that has
* restore it. The signal emission takes care of calling cairo_save()
* before and cairo_restore() after invoking the handler.
*
+ * Returns: %TRUE to stop other handlers from being invoked for the event.
+ % %FALSE to propagate the event further.
+ *
* Since: 3.0
*/
widget_signals[DRAW] =
gtk_widget_draw_marshaller,
G_TYPE_BOOLEAN, 1,
CAIRO_GOBJECT_TYPE_CONTEXT);
+ g_signal_set_va_marshaller (widget_signals[DRAW], G_TYPE_FROM_CLASS (klass),
+ gtk_widget_draw_marshallerv);
/**
* GtkWidget::mnemonic-activate:
* @widget: the object which received the signal.
* @arg1:
+ *
+ * Returns: %TRUE to stop other handlers from being invoked for the event.
+ * %FALSE to propagate the event further.
*/
widget_signals[MNEMONIC_ACTIVATE] =
g_signal_new (I_("mnemonic-activate"),
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+ g_signal_set_va_marshaller (widget_signals[EVENT], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_BOOLEAN__BOXEDv);
/**
* GtkWidget::event-after:
_gtk_marshal_VOID__BOXED,
G_TYPE_NONE, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+ g_signal_set_va_marshaller (widget_signals[EVENT_AFTER], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_BOOLEAN__BOXEDv);
/**
* GtkWidget::button-press-event:
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+ g_signal_set_va_marshaller (widget_signals[BUTTON_PRESS_EVENT], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_BOOLEAN__BOXEDv);
/**
* GtkWidget::button-release-event:
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+ g_signal_set_va_marshaller (widget_signals[BUTTON_RELEASE_EVENT], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_BOOLEAN__BOXEDv);
+
+ widget_signals[TOUCH_EVENT] =
+ g_signal_new (I_("touch-event"),
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GtkWidgetClass, touch_event),
+ _gtk_boolean_handled_accumulator, NULL,
+ _gtk_marshal_BOOLEAN__BOXED,
+ G_TYPE_BOOLEAN, 1,
+ GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+ g_signal_set_va_marshaller (widget_signals[TOUCH_EVENT], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_BOOLEAN__BOXEDv);
/**
* GtkWidget::scroll-event:
* button press events for buttons 4 and 5 when the wheel is turned.
*
* To receive this signal, the #GdkWindow associated to the widget needs
- * to enable the #GDK_BUTTON_PRESS_MASK mask.
+ * to enable the #GDK_SCROLL_MASK mask.
*
* This signal will be sent to the grab widget if there is one.
*
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+ g_signal_set_va_marshaller (widget_signals[SCROLL_EVENT], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_BOOLEAN__BOXEDv);
/**
* GtkWidget::motion-notify-event:
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+ g_signal_set_va_marshaller (widget_signals[MOTION_NOTIFY_EVENT], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_BOOLEAN__BOXEDv);
/**
* GtkWidget::composited-changed:
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+ g_signal_set_va_marshaller (widget_signals[DELETE_EVENT], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_BOOLEAN__BOXEDv);
/**
* GtkWidget::destroy-event:
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+ g_signal_set_va_marshaller (widget_signals[DESTROY_EVENT], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_BOOLEAN__BOXEDv);
/**
* GtkWidget::key-press-event:
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+ g_signal_set_va_marshaller (widget_signals[KEY_PRESS_EVENT], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_BOOLEAN__BOXEDv);
/**
* GtkWidget::key-release-event:
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+ g_signal_set_va_marshaller (widget_signals[KEY_RELEASE_EVENT], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_BOOLEAN__BOXEDv);
/**
* GtkWidget::enter-notify-event:
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+ g_signal_set_va_marshaller (widget_signals[ENTER_NOTIFY_EVENT], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_BOOLEAN__BOXEDv);
/**
* GtkWidget::leave-notify-event:
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+ g_signal_set_va_marshaller (widget_signals[LEAVE_NOTIFY_EVENT], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_BOOLEAN__BOXEDv);
/**
* GtkWidget::configure-event:
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+ g_signal_set_va_marshaller (widget_signals[CONFIGURE_EVENT], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_BOOLEAN__BOXEDv);
/**
* GtkWidget::focus-in-event:
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+ g_signal_set_va_marshaller (widget_signals[FOCUS_IN_EVENT], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_BOOLEAN__BOXEDv);
/**
* GtkWidget::focus-out-event:
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+ g_signal_set_va_marshaller (widget_signals[FOCUS_OUT_EVENT], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_BOOLEAN__BOXEDv);
/**
* GtkWidget::map-event:
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+ g_signal_set_va_marshaller (widget_signals[MAP_EVENT], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_BOOLEAN__BOXEDv);
/**
* GtkWidget::unmap-event:
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+ g_signal_set_va_marshaller (widget_signals[UNMAP_EVENT], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_BOOLEAN__BOXEDv);
/**
* GtkWidget::property-notify-event:
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+ g_signal_set_va_marshaller (widget_signals[PROPERTY_NOTIFY_EVENT], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_BOOLEAN__BOXEDv);
/**
* GtkWidget::selection-clear-event:
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+ g_signal_set_va_marshaller (widget_signals[SELECTION_CLEAR_EVENT], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_BOOLEAN__BOXEDv);
/**
* GtkWidget::selection-request-event:
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+ g_signal_set_va_marshaller (widget_signals[SELECTION_REQUEST_EVENT], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_BOOLEAN__BOXEDv);
/**
* GtkWidget::selection-notify-event:
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+ g_signal_set_va_marshaller (widget_signals[SELECTION_NOTIFY_EVENT], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_BOOLEAN__BOXEDv);
/**
* GtkWidget::selection-received:
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+ g_signal_set_va_marshaller (widget_signals[PROXIMITY_IN_EVENT], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_BOOLEAN__BOXEDv);
/**
* GtkWidget::proximity-out-event:
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+ g_signal_set_va_marshaller (widget_signals[PROXIMITY_OUT_EVENT], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_BOOLEAN__BOXEDv);
/**
* GtkWidget::drag-leave:
* @widget: the object which received the signal.
- * @drag_context: the drag context
+ * @context: the drag context
* @time: the timestamp of the motion event
*
* The ::drag-leave signal is emitted on the drop site when the cursor
/**
* GtkWidget::drag-begin:
* @widget: the object which received the signal
- * @drag_context: the drag context
+ * @context: the drag context
*
* The ::drag-begin signal is emitted on the drag source when a drag is
* started. A typical reason to connect to this signal is to set up a
- * custom drag icon with gtk_drag_source_set_icon().
+ * custom drag icon with e.g. gtk_drag_source_set_icon_pixbuf().
*
* Note that some widgets set up a drag icon in the default handler of
* this signal, so you may have to use g_signal_connect_after() to
/**
* GtkWidget::drag-end:
* @widget: the object which received the signal
- * @drag_context: the drag context
+ * @context: the drag context
*
* The ::drag-end signal is emitted on the drag source when a drag is
* finished. A typical reason to connect to this signal is to undo
/**
* GtkWidget::drag-data-delete:
* @widget: the object which received the signal
- * @drag_context: the drag context
+ * @context: the drag context
*
* The ::drag-data-delete signal is emitted on the drag source when a drag
* with the action %GDK_ACTION_MOVE is successfully completed. The signal
/**
* GtkWidget::drag-failed:
* @widget: the object which received the signal
- * @drag_context: the drag context
+ * @context: the drag context
* @result: the result of the drag operation
*
* The ::drag-failed signal is emitted on the drag source when a drag has
/**
* GtkWidget::drag-motion:
* @widget: the object which received the signal
- * @drag_context: the drag context
+ * @context: the drag context
* @x: the x coordinate of the current cursor position
* @y: the y coordinate of the current cursor position
* @time: the timestamp of the motion event
*
- * The drag-motion signal is emitted on the drop site when the user
+ * The ::drag-motion signal is emitted on the drop site when the user
* moves the cursor over the widget during a drag. The signal handler
* must determine whether the cursor position is in a drop zone or not.
* If it is not in a drop zone, it returns %FALSE and no further processing
* the drop site with gtk_drag_highlight().
* |[
* static void
- * drag_motion (GtkWidget *widget,
+ * drag_motion (GtkWidget *widget,
* GdkDragContext *context,
- * gint x,
- * gint y,
- * guint time)
+ * gint x,
+ * gint y,
+ * guint time)
* {
* GdkAtom target;
*
* gdk_drag_status (context, 0, time);
* else
* {
- * private_data->pending_status = context->suggested_action;
+ * private_data->pending_status = gdk_drag_context_get_suggested_action (context);
* gtk_drag_get_data (widget, context, target, time);
* }
*
* {
* private_data->suggested_action = 0;
*
- * /* We are getting this data due to a request in drag_motion,
- * * rather than due to a request in drag_drop, so we are just
- * * supposed to call gdk_drag_status (), not actually paste in
- * * the data.
- * */
+ * /* We are getting this data due to a request in drag_motion,
+ * * rather than due to a request in drag_drop, so we are just
+ * * supposed to call gdk_drag_status(), not actually paste in
+ * * the data.
+ * */
* str = gtk_selection_data_get_text (selection_data);
* if (!data_is_acceptable (str))
* gdk_drag_status (context, 0, time);
/**
* GtkWidget::drag-drop:
* @widget: the object which received the signal
- * @drag_context: the drag context
+ * @context: the drag context
* @x: the x coordinate of the current cursor position
* @y: the y coordinate of the current cursor position
* @time: the timestamp of the motion event
/**
* GtkWidget::drag-data-get:
* @widget: the object which received the signal
- * @drag_context: the drag context
+ * @context: the drag context
* @data: the #GtkSelectionData to be filled with the dragged data
* @info: the info that has been registered with the target in the
* #GtkTargetList
/**
* GtkWidget::drag-data-received:
* @widget: the object which received the signal
- * @drag_context: the drag context
+ * @context: the drag context
* @x: where the drop happened
* @y: where the drop happened
* @data: the received data
* If the data was received in response to a #GtkWidget::drag-drop signal
* (and this is the last target to be received), the handler for this
* signal is expected to process the received data and then call
- * gtk_drag_finish(), setting the @success parameter depending on whether
- * the data was processed successfully.
+ * gtk_drag_finish(), setting the @success parameter depending on
+ * whether the data was processed successfully.
*
- * The handler may inspect and modify @drag_context->action before calling
- * gtk_drag_finish(), e.g. to implement %GDK_ACTION_ASK as shown in the
- * following example:
+ * The handler may inspect the selected action with
+ * gdk_drag_context_get_selected_action() before calling
+ * gtk_drag_finish(), e.g. to implement %GDK_ACTION_ASK as
+ * shown in the following example:
* |[
* void
* drag_data_received (GtkWidget *widget,
- * GdkDragContext *drag_context,
+ * GdkDragContext *context,
* gint x,
* gint y,
* GtkSelectionData *data,
* {
* if ((data->length >= 0) && (data->format == 8))
* {
- * if (drag_context->action == GDK_ACTION_ASK)
+ * GdkDragAction action;
+ *
+ * /* handle data here */
+ *
+ * action = gdk_drag_context_get_selected_action (context);
+ * if (action == GDK_ACTION_ASK)
* {
* GtkWidget *dialog;
* gint response;
* gtk_widget_destroy (dialog);
*
* if (response == GTK_RESPONSE_YES)
- * drag_context->action = GDK_ACTION_MOVE;
+ * action = GDK_ACTION_MOVE;
* else
- * drag_context->action = GDK_ACTION_COPY;
+ * action = GDK_ACTION_COPY;
* }
*
- * gtk_drag_finish (drag_context, TRUE, FALSE, time);
- * return;
+ * gtk_drag_finish (context, TRUE, action == GDK_ACTION_MOVE, time);
* }
- *
- * gtk_drag_finish (drag_context, FALSE, FALSE, time);
+ * else
+ * gtk_drag_finish (context, FALSE, FALSE, time);
* }
* ]|
*/
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+ g_signal_set_va_marshaller (widget_signals[WINDOW_STATE_EVENT], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_BOOLEAN__BOXEDv);
/**
* GtkWidget::damage-event:
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+ g_signal_set_va_marshaller (widget_signals[DAMAGE_EVENT], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_BOOLEAN__BOXEDv);
/**
* GtkWidget::grab-broken-event:
_gtk_marshal_BOOLEAN__BOXED,
G_TYPE_BOOLEAN, 1,
GDK_TYPE_EVENT | G_SIGNAL_TYPE_STATIC_SCOPE);
+ g_signal_set_va_marshaller (widget_signals[GRAB_BROKEN_EVENT], G_TYPE_FROM_CLASS (klass),
+ _gtk_marshal_BOOLEAN__BOXEDv);
/**
* GtkWidget::query-tooltip:
GTK_TYPE_TOOLTIP);
/**
- * GtkWidget::popup-menu
+ * GtkWidget::popup-menu:
* @widget: the object which received the signal
*
* This signal gets emitted whenever a widget should pop up a context
* GtkWidget::show-help:
* @widget: the object which received the signal.
* @help_type:
+ *
+ * Returns: %TRUE to stop other handlers from being invoked for the event.
+ * %FALSE to propagate the event further.
*/
widget_signals[SHOW_HELP] =
g_signal_new (I_("show-help"),
1, G_MAXINT, 16,
GTK_PARAM_READABLE));
+ gtk_widget_class_install_style_property (klass,
+ g_param_spec_int ("text-handle-width",
+ P_("Width of text selection handles"),
+ P_("Width of text selection handles"),
+ 1, G_MAXINT, 16,
+ GTK_PARAM_READABLE));
+ gtk_widget_class_install_style_property (klass,
+ g_param_spec_int ("text-handle-height",
+ P_("Height of text selection handles"),
+ P_("Height of text selection handles"),
+ 1, G_MAXINT, 20,
+ GTK_PARAM_READABLE));
+
g_type_class_add_private (klass, sizeof (GtkWidgetPrivate));
gtk_widget_class_set_accessible_type (klass, GTK_TYPE_WIDGET_ACCESSIBLE);
priv->composite_child = composite_child_stack != 0;
priv->double_buffered = TRUE;
priv->redraw_on_alloc = TRUE;
- priv->width_request_needed = TRUE;
- priv->height_request_needed = TRUE;
priv->alloc_needed = TRUE;
+ priv->state_flags = GTK_STATE_FLAG_DIR_LTR;
/* this will be set to TRUE if the widget gets a child or if the
* expand flag is set on the widget, but until one of those happen
*/
priv->need_compute_expand = FALSE;
+ _gtk_size_request_cache_init (&priv->requests);
+
priv->style = gtk_widget_get_default_style ();
g_object_ref (priv->style);
}
gtk_widget_queue_compute_expand (old_parent);
}
- /* Unset window-unfocused since we are no longer inside a toplevel window */
- gtk_widget_unset_state_flags (widget, GTK_STATE_FLAG_WINDOW_UNFOCUSED);
+ /* Unset BACKDROP since we are no longer inside a toplevel window */
+ gtk_widget_unset_state_flags (widget, GTK_STATE_FLAG_BACKDROP);
+ if (priv->context)
+ gtk_style_context_set_parent (priv->context, NULL);
+
+ _gtk_widget_update_parent_muxer (widget);
g_signal_emit (widget, widget_signals[PARENT_SET], 0, old_parent);
if (toplevel)
class->show_all (widget);
}
-static void
-_gtk_widget_notify_state_change (GtkWidget *widget,
- GtkStateFlags flag,
- gboolean target)
-{
- GtkStateType state;
-
- switch (flag)
- {
- case GTK_STATE_FLAG_ACTIVE:
- state = GTK_STATE_ACTIVE;
- break;
- case GTK_STATE_FLAG_PRELIGHT:
- state = GTK_STATE_PRELIGHT;
- break;
- case GTK_STATE_FLAG_SELECTED:
- state = GTK_STATE_SELECTED;
- break;
- case GTK_STATE_FLAG_INSENSITIVE:
- state = GTK_STATE_INSENSITIVE;
- break;
- case GTK_STATE_FLAG_INCONSISTENT:
- state = GTK_STATE_INCONSISTENT;
- break;
- case GTK_STATE_FLAG_FOCUSED:
- state = GTK_STATE_FOCUSED;
- break;
- default:
- return;
- }
-
- gtk_style_context_notify_state_change (widget->priv->context,
- gtk_widget_get_window (widget),
- NULL, state, target);
-}
-
-/* Initializes state transitions for those states that
- * were enabled before mapping and have a looping animation.
- */
-static void
-_gtk_widget_start_state_transitions (GtkWidget *widget)
-{
- GtkStateFlags state, flag;
-
- if (!widget->priv->context)
- return;
-
- state = gtk_widget_get_state_flags (widget);
- flag = GTK_STATE_FLAG_FOCUSED;
-
- while (flag)
- {
- GtkAnimationDescription *animation_desc;
-
- if ((state & flag) == 0)
- {
- flag >>= 1;
- continue;
- }
-
- gtk_style_context_get (widget->priv->context, state,
- "transition", &animation_desc,
- NULL);
-
- if (animation_desc)
- {
- if (_gtk_animation_description_get_loop (animation_desc))
- _gtk_widget_notify_state_change (widget, flag, TRUE);
-
- _gtk_animation_description_unref (animation_desc);
- }
-
- flag >>= 1;
- }
-}
-
/**
* gtk_widget_map:
* @widget: a #GtkWidget
if (!gtk_widget_get_has_window (widget))
gdk_window_invalidate_rect (priv->window, &priv->allocation, FALSE);
- gtk_widget_pop_verify_invariants (widget);
+ if (widget->priv->context)
+ _gtk_style_context_update_animating (widget->priv->context);
- _gtk_widget_start_state_transitions (widget);
+ gtk_widget_pop_verify_invariants (widget);
}
}
if (!gtk_widget_get_has_window (widget))
gdk_window_invalidate_rect (priv->window, &priv->allocation, FALSE);
_gtk_tooltip_hide (widget);
+
+ if (widget->priv->context)
+ _gtk_style_context_update_animating (widget->priv->context);
+
g_signal_emit (widget, widget_signals[UNMAP], 0);
gtk_widget_pop_verify_invariants (widget);
- if (priv->context)
- gtk_style_context_cancel_animations (priv->context, NULL);
-
/* Unset pointer/window info */
g_object_set_qdata (G_OBJECT (widget), quark_pointer_window, NULL);
}
g_return_if_fail (GTK_IS_WIDGET (widget));
if (gtk_widget_get_realized (widget))
- gtk_widget_queue_shallow_draw (widget);
+ gtk_widget_queue_draw (widget);
_gtk_size_group_queue_resize (widget, 0);
}
invalidate_predicate, widget);
}
-/**
- * gtk_widget_queue_shallow_draw:
- * @widget: a #GtkWidget
- *
- * Like gtk_widget_queue_draw(), but only windows owned
- * by @widget are invalidated.
- **/
-static void
-gtk_widget_queue_shallow_draw (GtkWidget *widget)
-{
- GdkRectangle rect;
- cairo_region_t *region;
-
- if (!gtk_widget_get_realized (widget))
- return;
-
- gtk_widget_get_allocation (widget, &rect);
-
- region = cairo_region_create_rectangle (&rect);
- gtk_widget_invalidate_widget_windows (widget, region);
- cairo_region_destroy (region);
-}
-
/**
* gtk_widget_size_allocate:
* @widget: a #GtkWidget
#endif /* G_ENABLE_DEBUG */
alloc_needed = priv->alloc_needed;
- if (!priv->width_request_needed && !priv->height_request_needed)
- /* Preserve request/allocate ordering */
- priv->alloc_needed = FALSE;
+ /* Preserve request/allocate ordering */
+ priv->alloc_needed = FALSE;
old_allocation = priv->allocation;
real_allocation = *allocation;
g_signal_emit (widget, widget_signals[SIZE_ALLOCATE], 0, &real_allocation);
/* Size allocation is god... after consulting god, no further requests or allocations are needed */
- priv->width_request_needed = FALSE;
- priv->height_request_needed = FALSE;
- priv->alloc_needed = FALSE;
+ priv->alloc_needed = FALSE;
if (gtk_widget_get_mapped (widget))
{
cairo_region_destroy (invalidate);
}
}
-
- if (size_changed || position_changed)
- {
- GtkStyleContext *context;
-
- context = gtk_widget_get_style_context (widget);
- _gtk_style_context_invalidate_animation_areas (context);
- }
}
if ((size_changed || position_changed) && priv->parent &&
}
/**
- * gtk_widget_add_accelerator
+ * gtk_widget_add_accelerator:
* @widget: widget to install an accelerator on
* @accel_signal: widget signal to emit on accelerator activation
* @accel_group: accel group for this widget, added to its toplevel
* Installs an accelerator for this @widget in @accel_group that causes
* @accel_signal to be emitted if the accelerator is activated.
* The @accel_group needs to be added to the widget's toplevel via
- * gtk_window_add_accel_group(), and the signal must be of type %G_RUN_ACTION.
+ * gtk_window_add_accel_group(), and the signal must be of type %G_SIGNAL_ACTION.
* Accelerators added through this function are not user changeable during
* runtime. If you want to support accelerators that can be changed by the
* user, use gtk_accel_map_add_entry() and gtk_widget_set_accel_path() or
cairo_t *cr,
gboolean clip_to_size)
{
- GtkStyleContext *context;
-
if (!gtk_widget_is_drawable (widget))
return;
g_signal_emit (widget, widget_signals[DRAW],
0, cr,
&result);
- }
- context = gtk_widget_get_style_context (widget);
- _gtk_style_context_coalesce_animation_areas (context, widget);
+ if (cairo_status (cr) &&
+ _gtk_cairo_get_event (cr))
+ {
+ /* We check the event so we only warn about internal GTK calls.
+ * Errors might come from PDF streams having write failures and
+ * we don't want to spam stderr in that case.
+ * We do want to catch errors from
+ */
+ g_warning ("drawing failure for widget `%s': %s",
+ G_OBJECT_TYPE_NAME (widget),
+ cairo_status_to_string (cairo_status (cr)));
+ }
+ }
}
/**
gtk_widget_real_focus_in_event (GtkWidget *widget,
GdkEventFocus *event)
{
- gtk_widget_queue_shallow_draw (widget);
+ gtk_widget_queue_draw (widget);
return FALSE;
}
gtk_widget_real_focus_out_event (GtkWidget *widget,
GdkEventFocus *event)
{
- gtk_widget_queue_shallow_draw (widget);
+ gtk_widget_queue_draw (widget);
return FALSE;
}
+static gboolean
+gtk_widget_real_touch_event (GtkWidget *widget,
+ GdkEventTouch *event)
+{
+ GdkEvent *bevent;
+ gboolean return_val;
+ gint signum;
+
+ if (!event->emulating_pointer)
+ return FALSE;
+
+ if (event->type == GDK_TOUCH_BEGIN ||
+ event->type == GDK_TOUCH_END)
+ {
+ GdkEventType type;
+
+ if (event->type == GDK_TOUCH_BEGIN)
+ {
+ type = GDK_BUTTON_PRESS;
+ signum = BUTTON_PRESS_EVENT;
+ }
+ else
+ {
+ type = GDK_BUTTON_RELEASE;
+ signum = BUTTON_RELEASE_EVENT;
+ }
+ bevent = gdk_event_new (type);
+ bevent->any.window = g_object_ref (event->window);
+ bevent->any.send_event = FALSE;
+ bevent->button.time = event->time;
+ bevent->button.state = event->state;
+ bevent->button.button = 1;
+ bevent->button.x_root = event->x_root;
+ bevent->button.y_root = event->y_root;
+ bevent->button.x = event->x;
+ bevent->button.y = event->y;
+ bevent->button.device = event->device;
+ bevent->button.axes = g_memdup (event->axes,
+ sizeof (gdouble) * gdk_device_get_n_axes (event->device));
+ gdk_event_set_source_device (bevent, gdk_event_get_source_device ((GdkEvent*)event));
+ }
+ else if (event->type == GDK_TOUCH_UPDATE)
+ {
+ signum = MOTION_NOTIFY_EVENT;
+ bevent = gdk_event_new (GDK_MOTION_NOTIFY);
+ bevent->any.window = g_object_ref (event->window);
+ bevent->any.send_event = FALSE;
+ bevent->motion.time = event->time;
+ bevent->motion.state = event->state;
+ bevent->motion.x_root = event->x_root;
+ bevent->motion.y_root = event->y_root;
+ bevent->motion.x = event->x;
+ bevent->motion.y = event->y;
+ bevent->motion.device = event->device;
+ bevent->motion.is_hint = FALSE;
+ bevent->motion.axes = g_memdup (event->axes,
+ sizeof (gdouble) * gdk_device_get_n_axes (event->device));
+ gdk_event_set_source_device (bevent, gdk_event_get_source_device ((GdkEvent*)event));
+ }
+ else
+ return FALSE;
+
+ g_signal_emit (widget, widget_signals[signum], 0, bevent, &return_val);
+
+ gdk_event_free (bevent);
+
+ return return_val;
+}
+
+
#define WIDGET_REALIZED_FOR_EVENT(widget, event) \
(event->type == GDK_FOCUS_CHANGE || gtk_widget_get_realized(widget))
return gtk_widget_event_internal (widget, event);
}
+void
+_gtk_widget_set_captured_event_handler (GtkWidget *widget,
+ GtkCapturedEventHandler callback)
+{
+ g_object_set_data (G_OBJECT (widget), "captured-event-handler", callback);
+}
+
+gboolean
+_gtk_widget_captured_event (GtkWidget *widget,
+ GdkEvent *event)
+{
+ gboolean return_val = FALSE;
+ GtkCapturedEventHandler handler;
+
+ g_return_val_if_fail (GTK_IS_WIDGET (widget), TRUE);
+ g_return_val_if_fail (WIDGET_REALIZED_FOR_EVENT (widget, event), TRUE);
+
+ if (event->type == GDK_EXPOSE)
+ {
+ g_warning ("Events of type GDK_EXPOSE cannot be synthesized. To get "
+ "the same effect, call gdk_window_invalidate_rect/region(), "
+ "followed by gdk_window_process_updates().");
+ return TRUE;
+ }
+
+ if (!event_window_is_still_viewable (event))
+ return TRUE;
+
+ handler = g_object_get_data (G_OBJECT (widget), "captured-event-handler");
+ if (!handler)
+ return FALSE;
+
+ g_object_ref (widget);
+
+ return_val = handler (widget, event);
+ return_val |= !WIDGET_REALIZED_FOR_EVENT (widget, event);
+
+ /* The widget that was originally to receive the event
+ * handles motion hints, but the capturing widget might
+ * not, so ensure we get further motion events.
+ */
+ if (return_val &&
+ event->type == GDK_MOTION_NOTIFY &&
+ event->motion.is_hint &&
+ (gdk_window_get_events (event->any.window) &
+ GDK_POINTER_MOTION_HINT_MASK) != 0)
+ gdk_event_request_motions (&event->motion);
+
+ g_object_unref (widget);
+
+ return return_val;
+}
+
/* Returns TRUE if a translation should be done */
gboolean
_gtk_widget_get_translation_to_window (GtkWidget *widget,
case GDK_2BUTTON_PRESS:
case GDK_3BUTTON_PRESS:
signal_num = BUTTON_PRESS_EVENT;
+ break;
+ case GDK_TOUCH_BEGIN:
+ case GDK_TOUCH_UPDATE:
+ case GDK_TOUCH_END:
+ case GDK_TOUCH_CANCEL:
+ signal_num = TOUCH_EVENT;
break;
case GDK_SCROLL:
signal_num = SCROLL_EVENT;
if (widget->priv->context)
{
+ const GtkBitmask *changes = _gtk_style_context_get_changes (widget->priv->context);
+
if (gtk_widget_get_realized (widget) &&
- gtk_widget_get_has_window (widget))
+ gtk_widget_get_has_window (widget) &&
+ !gtk_widget_get_app_paintable (widget))
gtk_style_context_set_background (widget->priv->context,
widget->priv->window);
- }
- if (widget->priv->anchored)
- gtk_widget_queue_resize (widget);
+ if (widget->priv->anchored)
+ {
+ if (changes && _gtk_css_style_property_changes_affect_size (changes))
+ gtk_widget_queue_resize (widget);
+ else
+ gtk_widget_queue_draw (widget);
+ }
+ }
+ else
+ {
+ if (widget->priv->anchored)
+ gtk_widget_queue_resize (widget);
+ }
}
static gboolean
_gtk_widget_set_has_default (GtkWidget *widget,
gboolean has_default)
{
+ GtkStyleContext *context;
+
widget->priv->has_default = has_default;
+
+ context = gtk_widget_get_style_context (widget);
+
+ if (has_default)
+ gtk_style_context_add_class (context, GTK_STYLE_CLASS_DEFAULT);
+ else
+ gtk_style_context_remove_class (context, GTK_STYLE_CLASS_DEFAULT);
}
/**
* gtk_widget_grab_default:
* @widget: a #GtkWidget
*
- * Causes @widget to become the default widget. @widget must have the
- * %GTK_CAN_DEFAULT flag set; typically you have to set this flag
- * yourself by calling <literal>gtk_widget_set_can_default (@widget,
- * %TRUE)</literal>. The default widget is activated when
+ * Causes @widget to become the default widget. @widget must be able to be
+ * a default widget; typically you would ensure this yourself
+ * by calling gtk_widget_set_can_default() with a %TRUE value.
+ * The default widget is activated when
* the user presses Enter in a window. Default widgets must be
* activatable, that is, gtk_widget_activate() should affect them. Note
* that #GtkEntry widgets require the "activates-default" property
g_free (priv->name);
priv->name = new_name;
- gtk_widget_reset_style (widget);
+ _gtk_widget_invalidate_style_context (widget, GTK_CSS_CHANGE_NAME);
g_object_notify (G_OBJECT (widget), "name");
}
data.flags = flags;
data.operation = operation;
- data.use_forall = FALSE;
gtk_widget_propagate_state (widget, &data);
-
- gtk_widget_queue_resize (widget);
}
}
* gtk_widget_get_visible:
* @widget: a #GtkWidget
*
- * Determines whether the widget is visible. Note that this doesn't
- * take into account whether the widget's parent is also visible
- * or the widget is obscured in any way.
+ * Determines whether the widget is visible. If you want to
+ * take into account whether the widget's parent is also marked as
+ * visible, use gtk_widget_is_visible() instead.
+ *
+ * This function does not check if the widget is obscured in any way.
*
* See gtk_widget_set_visible().
*
return widget->priv->visible;
}
+/**
+ * gtk_widget_is_visible:
+ * @widget: a #GtkWidget
+ *
+ * Determines whether the widget and all its parents are marked as
+ * visible.
+ *
+ * This function does not check if the widget is obscured in any way.
+ *
+ * See also gtk_widget_get_visible() and gtk_widget_set_visible()
+ *
+ * Return value: %TRUE if the widget and all its parents are visible
+ *
+ * Since: 3.8
+ **/
+gboolean
+gtk_widget_is_visible (GtkWidget *widget)
+{
+ g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE);
+
+ while (widget)
+ {
+ GtkWidgetPrivate *priv = widget->priv;
+
+ if (!priv->visible)
+ return FALSE;
+
+ widget = priv->parent;
+ }
+
+ return TRUE;
+}
+
/**
* gtk_widget_set_has_window:
* @widget: a #GtkWidget
* to turn off the buffering. "Double buffered" simply means that
* gdk_window_begin_paint_region() and gdk_window_end_paint() are called
* automatically around expose events sent to the
- * widget. gdk_window_begin_paint() diverts all drawing to a widget's
+ * widget. gdk_window_begin_paint_region() diverts all drawing to a widget's
* window to an offscreen buffer, and gdk_window_end_paint() draws the
* buffer to the screen. The result is that users see the window
* update in one smooth step, and don't see individual graphics
* Note: if you turn off double-buffering, you have to handle
* expose events, since even the clearing to the background color or
* pixmap will not happen automatically (as it is done in
- * gdk_window_begin_paint()).
+ * gdk_window_begin_paint_region()).
**/
void
gtk_widget_set_double_buffered (GtkWidget *widget,
else
data.operation = STATE_CHANGE_SET;
- data.use_forall = TRUE;
-
gtk_widget_propagate_state (widget, &data);
gtk_widget_queue_resize (widget);
return !(widget->priv->state_flags & GTK_STATE_FLAG_INSENSITIVE);
}
-static void
-_gtk_widget_update_path (GtkWidget *widget)
-{
- if (widget->priv->path)
- {
- gtk_widget_path_free (widget->priv->path);
- widget->priv->path = NULL;
- }
-
- gtk_widget_get_path (widget);
-}
-
/**
* gtk_widget_set_parent:
* @widget: a #GtkWidget
data.flags |= priv->state_flags;
data.operation = STATE_CHANGE_REPLACE;
- data.use_forall = gtk_widget_is_sensitive (parent) != gtk_widget_is_sensitive (widget);
gtk_widget_propagate_state (widget, &data);
- gtk_widget_reset_style (widget);
+ if (priv->context)
+ gtk_style_context_set_parent (priv->context,
+ gtk_widget_get_style_context (parent));
+
+ _gtk_widget_update_parent_muxer (widget);
g_signal_emit (widget, widget_signals[PARENT_SET], 0, NULL);
if (priv->parent->priv->anchored)
modifier_style_changed (GtkModifierStyle *style,
GtkWidget *widget)
{
- GtkStyleContext *context;
-
- context = gtk_widget_get_style_context (widget);
- gtk_style_context_invalidate (context);
+ _gtk_widget_invalidate_style_context (widget, GTK_CSS_CHANGE_ANY);
}
static GtkModifierStyle *
static void
reset_style_recurse (GtkWidget *widget, gpointer data)
{
- _gtk_widget_update_path (widget);
+ _gtk_widget_invalidate_style_context (widget, GTK_CSS_CHANGE_ANY);
if (GTK_IS_CONTAINER (widget))
gtk_container_forall (GTK_CONTAINER (widget),
g_return_if_fail (GTK_IS_WIDGET (widget));
reset_style_recurse (widget, NULL);
+
+ g_list_foreach (widget->priv->attached_windows,
+ (GFunc) reset_style_recurse, NULL);
}
#ifdef G_ENABLE_DEBUG
#if 0
/* widget_system.txt says these hold, but they don't. */
- if (widget->priv->resize_pending)
- g_warning ("%s %p resize pending but not realized",
- G_OBJECT_TYPE_NAME (widget), widget);
-
if (widget->priv->alloc_needed)
g_warning ("%s %p alloc needed but not realized",
G_OBJECT_TYPE_NAME (widget), widget);
* by gtk_widget_create_pango_context(), this context is owned by
* the widget (it can be used until the screen for the widget changes
* or the widget is removed from its toplevel), and will be updated to
- * match any changes to the widget's attributes.
- *
- * If you create and keep a #PangoLayout using this context, you must
- * deal with changes to the context by calling pango_layout_context_changed()
- * on the layout in response to the #GtkWidget::style-updated and
- * #GtkWidget::direction-changed signals for the widget.
+ * match any changes to the widget's attributes. This can be tracked
+ * by using the #GtkWidget::screen-changed signal on the widget.
*
* Return value: (transfer none): the #PangoContext for the widget.
**/
update_pango_context (GtkWidget *widget,
PangoContext *context)
{
- const PangoFontDescription *font_desc;
+ PangoFontDescription *font_desc;
GtkStyleContext *style_context;
style_context = gtk_widget_get_style_context (widget);
-
- font_desc = gtk_style_context_get_font (style_context,
- gtk_widget_get_state_flags (widget));
+ gtk_style_context_get (style_context,
+ gtk_widget_get_state_flags (widget),
+ "font", &font_desc,
+ NULL);
pango_context_set_font_description (context, font_desc);
pango_context_set_base_dir (context,
gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR ?
PANGO_DIRECTION_LTR : PANGO_DIRECTION_RTL);
+
+ pango_font_description_free (font_desc);
}
static void
* font description, and base direction for drawing text for
* this widget.
*
- * If you keep a #PangoLayout created in this way around, in order to
- * notify the layout of changes to the base direction or font of this
- * widget, you must call pango_layout_context_changed() in response to
- * the #GtkWidget::style-updated and #GtkWidget::direction-changed signals
- * for the widget.
+ * If you keep a #PangoLayout created in this way around, you need
+ * to re-create it when the widget #PangoContext is replaced.
+ * This can be tracked by using the #GtkWidget::screen-changed signal
+ * on the widget.
*
* Return value: (transfer full): the new #PangoLayout
**/
* @height: height @widget should request, or -1 to unset
*
* Sets the minimum size of a widget; that is, the widget's size
- * request will be @width by @height. You can use this function to
- * force a widget to be either larger or smaller than it normally
- * would be.
+ * request will be at least @width by @height. You can use this
+ * function to force a widget to be larger than it normally would be.
*
* In most cases, gtk_window_set_default_size() is a better choice for
* toplevel windows than this function; setting the default size will
* If the size request in a given direction is -1 (unset), then
* the "natural" size request of the widget will be used instead.
*
- * Widgets can't actually be allocated a size less than 1 by 1, but
- * you can pass 0,0 to this function to mean "as small as possible."
- *
* The size request set here does not include any margin from the
* #GtkWidget properties margin-left, margin-right, margin-top, and
* margin-bottom, but it does include pretty much all other padding
* @width: new forced minimum width
* @height: new forced minimum height
* @old_width: location to store previous forced minimum width
- * @old_width: location to store previous forced minumum height
+ * @old_height: location to store previous forced minumum height
*
* Temporarily establishes a forced minimum size for a widget; this
* is used by GtkWindow when calculating the size to add to the
* <literal>gtk_widget_get_ancestor (widget, GTK_TYPE_WINDOW)</literal>
* would return
* %NULL if @widget wasn't inside a toplevel window, and if the
- * window was inside a #GtkWindow-derived widget which was in turn
+ * window was inside a #GtkWindow<!-- -->-derived widget which was in turn
* inside the toplevel #GtkWindow. While the second case may
* seem unlikely, it actually happens when a #GtkPlug is embedded
* inside a #GtkSocket within the same application.
*
* Sets the visual that should be used for by widget and its children for
* creating #GdkWindows. The visual must be on the same #GdkScreen as
- * returned by gdk_widget_get_screen(), so handling the
+ * returned by gtk_widget_get_screen(), so handling the
* #GtkWidget::screen-changed signal is necessary.
*
* Setting a new @visual will not cause @widget to recreate its windows,
gtk_widget_emit_direction_changed (GtkWidget *widget,
GtkTextDirection old_dir)
{
+ GtkTextDirection direction;
+ GtkStateFlags state;
+
gtk_widget_update_pango_context (widget);
- if (widget->priv->context)
- gtk_style_context_set_direction (widget->priv->context,
- gtk_widget_get_direction (widget));
+ direction = gtk_widget_get_direction (widget);
+ state = widget->priv->state_flags;
+ state &= GTK_STATE_FLAG_DIR_LTR | GTK_STATE_FLAG_DIR_RTL;
+
+ switch (direction)
+ {
+ case GTK_TEXT_DIR_LTR:
+ state |= GTK_STATE_FLAG_DIR_LTR;
+ break;
+
+ case GTK_TEXT_DIR_RTL:
+ state |= GTK_STATE_FLAG_DIR_RTL;
+ break;
+
+ case GTK_TEXT_DIR_NONE:
+ default:
+ g_assert_not_reached ();
+ break;
+ }
+
+ gtk_widget_set_state_flags (widget, state, TRUE);
g_signal_emit (widget, widget_signals[DIRECTION_CHANGED], 0, old_dir);
}
return gtk_default_direction;
}
+static void
+gtk_widget_constructed (GObject *object)
+{
+ GtkWidget *widget = GTK_WIDGET (object);
+ GtkWidgetPrivate *priv = widget->priv;
+
+ /* As strange as it may seem, this may happen on object construction.
+ * init() implementations of parent types may eventually call this function,
+ * each with its corresponding GType, which could leave a child
+ * implementation with a wrong widget type in the widget path
+ */
+ if (priv->path &&
+ G_OBJECT_TYPE (widget) != gtk_widget_path_get_object_type (priv->path))
+ {
+ gtk_widget_path_free (priv->path);
+ priv->path = NULL;
+ }
+
+ G_OBJECT_CLASS (gtk_widget_parent_class)->constructed (object);
+}
+
static void
gtk_widget_dispose (GObject *object)
{
priv->in_destruction = FALSE;
}
+ g_clear_object (&priv->muxer);
+
G_OBJECT_CLASS (gtk_widget_parent_class)->dispose (object);
}
gtk_widget_path_free (priv->path);
if (priv->context)
- g_object_unref (priv->context);
+ {
+ _gtk_style_context_set_widget (priv->context, NULL);
+ g_object_unref (priv->context);
+ }
- _gtk_widget_free_cached_sizes (widget);
+ _gtk_size_request_cache_free (&priv->requests);
if (g_object_is_floating (object))
g_warning ("A floating object was finalized. This means that someone\n"
if (!gtk_widget_is_sensitive (widget) && gtk_widget_has_grab (widget))
gtk_grab_remove (widget);
+ gtk_style_context_set_state (gtk_widget_get_style_context (widget), new_flags);
+
g_signal_emit (widget, widget_signals[STATE_CHANGED], 0, old_state);
g_signal_emit (widget, widget_signals[STATE_FLAGS_CHANGED], 0, old_flags);
/* Make sure to only propate the right states further */
child_data.flags &= GTK_STATE_FLAGS_DO_PROPAGATE;
- if (child_data.use_forall)
- gtk_container_forall (GTK_CONTAINER (widget),
- (GtkCallback) gtk_widget_propagate_state,
- &child_data);
- else
- gtk_container_foreach (GTK_CONTAINER (widget),
- (GtkCallback) gtk_widget_propagate_state,
- &child_data);
- }
-
- /* Trigger state change transitions for the widget */
- if (priv->context &&
- gtk_widget_get_mapped (widget))
- {
- gint diff, flag = 1;
-
- diff = old_flags ^ new_flags;
-
- while (diff != 0)
- {
- if ((diff & flag) != 0)
- {
- gboolean target;
-
- target = ((new_flags & flag) != 0);
- _gtk_widget_notify_state_change (widget, flag, target);
-
- diff &= ~flag;
- }
-
- flag <<= 1;
- }
+ gtk_container_forall (GTK_CONTAINER (widget),
+ (GtkCallback) gtk_widget_propagate_state,
+ &child_data);
}
g_object_unref (widget);
* class for which such an implementation is defined.
*
* The documentation of the
- * <ulink url="http://library.gnome.org/devel/atk/stable/">ATK</ulink>
+ * <ulink url="http://developer.gnome.org/atk/stable/">ATK</ulink>
* library contains more information about accessible objects and their uses.
*
* Returns: (transfer none): the #AtkObject associated with @widget
}
else
{
- accessible = g_object_new (priv->accessible_type, NULL);
+ accessible = g_object_new (priv->accessible_type,
+ "widget", widget,
+ NULL);
if (priv->accessible_role != ATK_ROLE_INVALID)
atk_object_set_role (accessible, priv->accessible_role);
}
g_object_unref (relation_set);
- g_slist_foreach (atk_relations, (GFunc)free_relation, NULL);
- g_slist_free (atk_relations);
+ g_slist_free_full (atk_relations, (GDestroyNotify) free_relation);
g_object_set_qdata (G_OBJECT (buildable), quark_builder_atk_relations,
NULL);
}
else
g_warning ("accessibility action on a widget that does not implement AtkAction");
- g_slist_foreach (a11y_data->actions, (GFunc)free_action, NULL);
- g_slist_free (a11y_data->actions);
+ g_slist_free_full (a11y_data->actions, (GDestroyNotify) free_action);
}
if (a11y_data->relations)
return widget->priv->in_destruction;
}
-gboolean
-_gtk_widget_get_resize_pending (GtkWidget *widget)
-{
- return widget->priv->resize_pending;
-}
-
-void
-_gtk_widget_set_resize_pending (GtkWidget *widget,
- gboolean resize_pending)
-{
- widget->priv->resize_pending = resize_pending;
-}
-
gboolean
_gtk_widget_get_in_reparent (GtkWidget *widget)
{
widget->priv->alloc_needed = alloc_needed;
}
-gboolean
-_gtk_widget_get_width_request_needed (GtkWidget *widget)
-{
- return widget->priv->width_request_needed;
-}
-
-void
-_gtk_widget_set_width_request_needed (GtkWidget *widget,
- gboolean width_request_needed)
-{
- widget->priv->width_request_needed = width_request_needed;
-}
-
-gboolean
-_gtk_widget_get_height_request_needed (GtkWidget *widget)
-{
- return widget->priv->height_request_needed;
-}
-
-void
-_gtk_widget_set_height_request_needed (GtkWidget *widget,
- gboolean height_request_needed)
-{
- widget->priv->height_request_needed = height_request_needed;
-}
-
-gboolean
-_gtk_widget_get_sizegroup_visited (GtkWidget *widget)
-{
- return widget->priv->sizegroup_visited;
-}
-
-void
-_gtk_widget_set_sizegroup_visited (GtkWidget *widget,
- gboolean visited)
-{
- widget->priv->sizegroup_visited = visited;
-}
-
-gboolean
-_gtk_widget_get_sizegroup_bumping (GtkWidget *widget)
-{
- return widget->priv->sizegroup_bumping;
-}
-
-void
-_gtk_widget_set_sizegroup_bumping (GtkWidget *widget,
- gboolean bumping)
-{
- widget->priv->sizegroup_bumping = bumping;
-}
-
void
_gtk_widget_add_sizegroup (GtkWidget *widget,
gpointer group)
return NULL;
}
+void
+_gtk_widget_add_attached_window (GtkWidget *widget,
+ GtkWindow *window)
+{
+ widget->priv->attached_windows = g_list_prepend (widget->priv->attached_windows, window);
+}
+
+void
+_gtk_widget_remove_attached_window (GtkWidget *widget,
+ GtkWindow *window)
+{
+ widget->priv->attached_windows = g_list_remove (widget->priv->attached_windows, window);
+}
+
/**
* gtk_widget_path_append_for_widget:
* @path: a widget path
return pos;
}
+GtkWidgetPath *
+_gtk_widget_create_path (GtkWidget *widget)
+{
+ GtkWidget *parent;
+
+ parent = widget->priv->parent;
+
+ if (parent)
+ return gtk_container_get_path_for_child (GTK_CONTAINER (parent), widget);
+ else
+ {
+ /* Widget is either toplevel or unparented, treat both
+ * as toplevels style wise, since there are situations
+ * where style properties might be retrieved on that
+ * situation.
+ */
+ GtkWidget *attach_widget = NULL;
+ GtkWidgetPath *result;
+
+ if (GTK_IS_WINDOW (widget))
+ attach_widget = gtk_window_get_attached_to (GTK_WINDOW (widget));
+
+ if (attach_widget != NULL)
+ result = gtk_widget_path_copy (gtk_widget_get_path (attach_widget));
+ else
+ result = gtk_widget_path_new ();
+
+ gtk_widget_path_append_for_widget (result, widget);
+
+ return result;
+ }
+}
+
/**
* gtk_widget_get_path:
* @widget: a #GtkWidget
{
g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
- /* As strange as it may seem, this may happen on object construction.
- * init() implementations of parent types may eventually call this function,
- * each with its corresponding GType, which could leave a child
- * implementation with a wrong widget type in the widget path
- */
- if (widget->priv->path &&
- G_OBJECT_TYPE (widget) != gtk_widget_path_get_object_type (widget->priv->path))
- {
- gtk_widget_path_free (widget->priv->path);
- widget->priv->path = NULL;
- }
-
if (!widget->priv->path)
- {
- GtkWidget *parent;
-
- parent = widget->priv->parent;
-
- if (parent)
- widget->priv->path = gtk_container_get_path_for_child (GTK_CONTAINER (parent), widget);
- else
- {
- /* Widget is either toplevel or unparented, treat both
- * as toplevels style wise, since there are situations
- * where style properties might be retrieved on that
- * situation.
- */
- widget->priv->path = gtk_widget_path_new ();
-
- gtk_widget_path_append_for_widget (widget->priv->path, widget);
- }
-
- if (widget->priv->context)
- gtk_style_context_set_path (widget->priv->context,
- widget->priv->path);
- }
+ widget->priv->path = _gtk_widget_create_path (widget);
return widget->priv->path;
}
-static void
-style_context_changed (GtkStyleContext *context,
- gpointer user_data)
+void
+_gtk_widget_style_context_invalidated (GtkWidget *widget)
{
- GtkWidget *widget = user_data;
+ if (widget->priv->path)
+ {
+ gtk_widget_path_free (widget->priv->path);
+ widget->priv->path = NULL;
+ }
if (gtk_widget_get_realized (widget))
g_signal_emit (widget, widget_signals[STYLE_UPDATED], 0);
*/
widget->priv->style_update_pending = TRUE;
}
-
- if (widget->priv->anchored)
- gtk_widget_queue_resize (widget);
}
/**
gtk_widget_get_style_context (GtkWidget *widget)
{
GtkWidgetPrivate *priv;
- GtkWidgetPath *path;
g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
priv = widget->priv;
- /* updates style context if it exists already */
- path = gtk_widget_get_path (widget);
-
if (G_UNLIKELY (priv->context == NULL))
{
GdkScreen *screen;
- priv->context = g_object_new (GTK_TYPE_STYLE_CONTEXT,
- "direction", gtk_widget_get_direction (widget),
- NULL);
+ priv->context = gtk_style_context_new ();
- g_signal_connect (widget->priv->context, "changed",
- G_CALLBACK (style_context_changed), widget);
+ gtk_style_context_set_state (priv->context, priv->state_flags);
screen = gtk_widget_get_screen (widget);
-
if (screen)
gtk_style_context_set_screen (priv->context, screen);
- gtk_style_context_set_path (priv->context, path);
+ if (priv->parent)
+ gtk_style_context_set_parent (priv->context,
+ gtk_widget_get_style_context (priv->parent));
+
+ _gtk_style_context_set_widget (priv->context, widget);
}
return widget->priv->context;
}
+void
+_gtk_widget_invalidate_style_context (GtkWidget *widget,
+ GtkCssChange change)
+{
+ GtkWidgetPrivate *priv;
+
+ priv = widget->priv;
+
+ if (priv->context == NULL)
+ return;
+
+ _gtk_style_context_queue_invalidate (priv->context, change);
+}
+
/**
* gtk_widget_get_modifier_mask:
* @widget: a #GtkWidget
{
widget->priv->style = style;
}
+
+void
+_gtk_widget_update_parent_muxer (GtkWidget *widget)
+{
+ GtkWidget *parent;
+ GActionMuxer *parent_muxer;
+
+ if (widget->priv->muxer == NULL)
+ return;
+
+ if (GTK_IS_MENU (widget))
+ parent = gtk_menu_get_attach_widget (GTK_MENU (widget));
+ else
+ parent = gtk_widget_get_parent (widget);
+
+ parent_muxer = parent ? _gtk_widget_get_action_muxer (parent) : NULL;
+
+ g_action_muxer_set_parent (widget->priv->muxer, parent_muxer);
+}
+
+GActionMuxer *
+_gtk_widget_get_action_muxer (GtkWidget *widget)
+{
+ if (widget->priv->muxer == NULL)
+ {
+ widget->priv->muxer = g_action_muxer_new ();
+ _gtk_widget_update_parent_muxer (widget);
+ }
+
+ return widget->priv->muxer;
+}
+
+/**
+ * gtk_widget_insert_action_group:
+ * @widget: a #GtkWidget
+ * @name: the prefix for actions in @group
+ * @group: a #GActionGroup
+ *
+ * Inserts @group into @widget. Children of @widget that implement
+ * #GtkActionable can then be associated with actions in @group by
+ * setting their 'action-name' to
+ * @prefix.<replaceable>action-name</replaceable>.
+ *
+ * Since: 3.6
+ */
+void
+gtk_widget_insert_action_group (GtkWidget *widget,
+ const gchar *name,
+ GActionGroup *group)
+{
+ GActionMuxer *muxer;
+
+ g_return_if_fail (GTK_IS_WIDGET (widget));
+ g_return_if_fail (name != NULL);
+
+ muxer = _gtk_widget_get_action_muxer (widget);
+
+ if (group)
+ g_action_muxer_insert (muxer, name, group);
+ else
+ g_action_muxer_remove (muxer, name);
+}
projects / ~andy / gtk / blobdiff