forked from AuroraMiddleware/gtk
9f4bfff1b0
This patch adds a capture phase to GTK+'s event propagation model. Events are first propagated from the toplevel (or the grab widget, if a grab is in place) down to the target widget and then back up. The second phase is using the existing ::event signal, the new capture phase is using a private API instead of a public signal for now. This mechanism can be used in many places where we currently have to prevent child widgets from getting events by putting an input-only window over them. It will also be used to implement kinetic scrolling in subsequent patches. http://bugzilla.gnome.org/show_bug.cgi?id=641836 We automatically request more motion events in behalf of the original widget if it listens to motion hints. So the capturing widget doesn't need to handle such implementation details. We are not making event capture part of the public API for 3.4, which is why there is no ::captured-event signal.
82 lines
3.7 KiB
C
82 lines
3.7 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#ifndef __GTK_PRIVATE_H__
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#define __GTK_PRIVATE_H__
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#include <glib-object.h>
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#include <gdk/gdk.h>
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#include "gtkcsstypesprivate.h"
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G_BEGIN_DECLS
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#define GTK_PARAM_READABLE G_PARAM_READABLE|G_PARAM_STATIC_NAME|G_PARAM_STATIC_NICK|G_PARAM_STATIC_BLURB
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#define GTK_PARAM_WRITABLE G_PARAM_WRITABLE|G_PARAM_STATIC_NAME|G_PARAM_STATIC_NICK|G_PARAM_STATIC_BLURB
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#define GTK_PARAM_READWRITE G_PARAM_READWRITE|G_PARAM_STATIC_NAME|G_PARAM_STATIC_NICK|G_PARAM_STATIC_BLURB
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const gchar * _gtk_get_datadir (void);
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const gchar * _gtk_get_libdir (void);
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const gchar * _gtk_get_sysconfdir (void);
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const gchar * _gtk_get_localedir (void);
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const gchar * _gtk_get_data_prefix (void);
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gboolean _gtk_fnmatch (const char *pattern,
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const char *string,
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gboolean no_leading_period);
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gchar * _gtk_get_lc_ctype (void);
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gboolean _gtk_boolean_handled_accumulator (GSignalInvocationHint *ihint,
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GValue *return_accu,
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const GValue *handler_return,
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gpointer dummy);
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gboolean _gtk_single_string_accumulator (GSignalInvocationHint *ihint,
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GValue *return_accu,
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const GValue *handler_return,
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gpointer dummy);
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GdkModifierType _gtk_replace_virtual_modifiers (GdkKeymap *keymap,
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GdkModifierType modifiers);
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GdkModifierType _gtk_get_primary_accel_mod (void);
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gboolean _gtk_translate_keyboard_accel_state (GdkKeymap *keymap,
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guint hardware_keycode,
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GdkModifierType state,
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GdkModifierType accel_mask,
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gint group,
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guint *keyval,
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gint *effective_group,
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gint *level,
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GdkModifierType *consumed_modifiers);
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gboolean _gtk_propagate_captured_event (GtkWidget *widget,
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GdkEvent *event,
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GtkWidget *topmost);
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G_END_DECLS
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#endif /* __GTK_PRIVATE_H__ */
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