forked from AuroraMiddleware/gtk
1844 lines
52 KiB
C
1844 lines
52 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 2000 Red Hat, Inc.
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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, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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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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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <limits.h>
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#include <errno.h>
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#include "gdk.h"
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#include "gdkx.h"
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#include "gdkprivate-x11.h"
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#include "gdkinternals.h"
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#include "gdkdisplay-x11.h"
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#include "gdkkeysyms.h"
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#include "gdkalias.h"
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#ifdef HAVE_XKB
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#include <X11/XKBlib.h>
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/* OSF-4.0 is apparently missing this macro
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*/
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# ifndef XkbKeySymEntry
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# define XkbKeySymEntry(d,k,sl,g) \
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(XkbKeySym(d,k,((XkbKeyGroupsWidth(d,k)*(g))+(sl))))
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# endif
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#endif /* HAVE_XKB */
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typedef struct _GdkKeymapX11 GdkKeymapX11;
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typedef struct _GdkKeymapClass GdkKeymapX11Class;
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#define GDK_TYPE_KEYMAP_X11 (gdk_keymap_x11_get_type ())
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#define GDK_KEYMAP_X11(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_KEYMAP_X11, GdkKeymapX11))
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#define GDK_IS_KEYMAP_X11(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_KEYMAP_X11))
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typedef struct _DirectionCacheEntry DirectionCacheEntry;
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struct _DirectionCacheEntry
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{
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guint serial;
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Atom group_atom;
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PangoDirection direction;
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};
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struct _GdkKeymapX11
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{
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GdkKeymap parent_instance;
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gint min_keycode;
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gint max_keycode;
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KeySym* keymap;
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gint keysyms_per_keycode;
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XModifierKeymap* mod_keymap;
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guint lock_keysym;
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GdkModifierType group_switch_mask;
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GdkModifierType num_lock_mask;
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GdkModifierType modmap[8];
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PangoDirection current_direction;
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guint sun_keypad : 1;
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guint have_direction : 1;
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guint caps_lock_state : 1;
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guint current_serial;
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#ifdef HAVE_XKB
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XkbDescPtr xkb_desc;
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/* We cache the directions */
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Atom current_group_atom;
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guint current_cache_serial;
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/* A cache of size four should be more than enough, people usually
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* have two groups around, and the xkb limit is four. It still
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* works correct for more than four groups. It's just the
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* cache.
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*/
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DirectionCacheEntry group_direction_cache[4];
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#endif
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};
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#define KEYMAP_USE_XKB(keymap) GDK_DISPLAY_X11 ((keymap)->display)->use_xkb
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#define KEYMAP_XDISPLAY(keymap) GDK_DISPLAY_XDISPLAY ((keymap)->display)
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static GType gdk_keymap_x11_get_type (void);
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static void gdk_keymap_x11_class_init (GdkKeymapX11Class *klass);
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static void gdk_keymap_x11_init (GdkKeymapX11 *keymap);
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static void gdk_keymap_x11_finalize (GObject *object);
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static GdkKeymapClass *parent_class = NULL;
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static GType
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gdk_keymap_x11_get_type (void)
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{
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static GType object_type = 0;
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if (!object_type)
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{
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const GTypeInfo object_info =
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{
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sizeof (GdkKeymapClass),
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(GBaseInitFunc) NULL,
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(GBaseFinalizeFunc) NULL,
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(GClassInitFunc) gdk_keymap_x11_class_init,
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NULL, /* class_finalize */
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NULL, /* class_data */
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sizeof (GdkKeymapX11),
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0, /* n_preallocs */
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(GInstanceInitFunc) gdk_keymap_x11_init,
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};
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object_type = g_type_register_static (GDK_TYPE_KEYMAP,
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g_intern_static_string ("GdkKeymapX11"),
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&object_info, 0);
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}
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return object_type;
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}
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static void
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gdk_keymap_x11_class_init (GdkKeymapX11Class *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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parent_class = g_type_class_peek_parent (klass);
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object_class->finalize = gdk_keymap_x11_finalize;
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}
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static void
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gdk_keymap_x11_init (GdkKeymapX11 *keymap)
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{
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keymap->min_keycode = 0;
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keymap->max_keycode = 0;
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keymap->keymap = NULL;
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keymap->keysyms_per_keycode = 0;
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keymap->mod_keymap = NULL;
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keymap->num_lock_mask = 0;
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keymap->sun_keypad = FALSE;
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keymap->group_switch_mask = 0;
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keymap->lock_keysym = GDK_Caps_Lock;
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keymap->have_direction = FALSE;
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keymap->current_serial = 0;
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#ifdef HAVE_XKB
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keymap->xkb_desc = NULL;
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keymap->current_group_atom = 0;
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keymap->current_cache_serial = 0;
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#endif
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}
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static void
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gdk_keymap_x11_finalize (GObject *object)
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{
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GdkKeymapX11 *keymap_x11 = GDK_KEYMAP_X11 (object);
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if (keymap_x11->keymap)
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XFree (keymap_x11->keymap);
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if (keymap_x11->mod_keymap)
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XFreeModifiermap (keymap_x11->mod_keymap);
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#ifdef HAVE_XKB
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if (keymap_x11->xkb_desc)
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XkbFreeKeyboard (keymap_x11->xkb_desc, XkbAllComponentsMask, True);
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#endif
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static inline void
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update_keyrange (GdkKeymapX11 *keymap_x11)
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{
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if (keymap_x11->max_keycode == 0)
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XDisplayKeycodes (KEYMAP_XDISPLAY (GDK_KEYMAP (keymap_x11)),
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&keymap_x11->min_keycode, &keymap_x11->max_keycode);
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}
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#ifdef HAVE_XKB
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static void
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update_modmap (Display *display,
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GdkKeymapX11 *keymap_x11)
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{
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static struct {
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const gchar *name;
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Atom atom;
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GdkModifierType mask;
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} vmods[] = {
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{ "Meta", 0, GDK_META_MASK },
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{ "Super", 0, GDK_SUPER_MASK },
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{ "Hyper", 0, GDK_HYPER_MASK },
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{ NULL, 0, 0 }
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};
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gint i, j, k;
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if (!vmods[0].atom)
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for (i = 0; vmods[i].name; i++)
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vmods[i].atom = XInternAtom (display, vmods[i].name, FALSE);
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for (i = 0; i < 8; i++)
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keymap_x11->modmap[i] = 1 << i;
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for (i = 0; i < XkbNumVirtualMods; i++)
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{
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for (j = 0; vmods[j].atom; j++)
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{
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if (keymap_x11->xkb_desc->names->vmods[i] == vmods[j].atom)
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{
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for (k = 0; k < 8; k++)
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{
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if (keymap_x11->xkb_desc->server->vmods[i] & (1 << k))
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keymap_x11->modmap[k] |= vmods[j].mask;
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}
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}
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}
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}
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}
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static XkbDescPtr
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get_xkb (GdkKeymapX11 *keymap_x11)
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{
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GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (GDK_KEYMAP (keymap_x11)->display);
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Display *xdisplay = display_x11->xdisplay;
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update_keyrange (keymap_x11);
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if (keymap_x11->xkb_desc == NULL)
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{
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keymap_x11->xkb_desc = XkbGetMap (xdisplay, XkbKeySymsMask | XkbKeyTypesMask | XkbModifierMapMask | XkbVirtualModsMask, XkbUseCoreKbd);
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if (keymap_x11->xkb_desc == NULL)
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{
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g_error ("Failed to get keymap");
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return NULL;
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}
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XkbGetNames (xdisplay, XkbGroupNamesMask | XkbVirtualModNamesMask, keymap_x11->xkb_desc);
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update_modmap (xdisplay, keymap_x11);
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}
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else if (keymap_x11->current_serial != display_x11->keymap_serial)
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{
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XkbGetUpdatedMap (xdisplay, XkbKeySymsMask | XkbKeyTypesMask | XkbModifierMapMask | XkbVirtualModsMask,
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keymap_x11->xkb_desc);
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XkbGetNames (xdisplay, XkbGroupNamesMask | XkbVirtualModNamesMask, keymap_x11->xkb_desc);
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update_modmap (xdisplay, keymap_x11);
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}
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keymap_x11->current_serial = display_x11->keymap_serial;
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return keymap_x11->xkb_desc;
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}
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#endif /* HAVE_XKB */
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/* Whether we were able to turn on detectable-autorepeat using
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* XkbSetDetectableAutorepeat. If FALSE, we'll fall back
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* to checking the next event with XPending().
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*/
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/**
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* gdk_keymap_get_for_display:
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* @display: the #GdkDisplay.
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* @returns: the #GdkKeymap attached to @display.
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*
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* Returns the #GdkKeymap attached to @display.
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*
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* Since: 2.2
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**/
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GdkKeymap*
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gdk_keymap_get_for_display (GdkDisplay *display)
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{
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GdkDisplayX11 *display_x11;
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g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
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display_x11 = GDK_DISPLAY_X11 (display);
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if (!display_x11->keymap)
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display_x11->keymap = g_object_new (gdk_keymap_x11_get_type (), NULL);
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display_x11->keymap->display = display;
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return display_x11->keymap;
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}
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/* Find the index of the group/level pair within the keysyms for a key.
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* We round up the number of keysyms per keycode to the next even number,
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* otherwise we lose a whole group of keys
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*/
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#define KEYSYM_INDEX(keymap_impl, group, level) \
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(2 * ((group) % (gint)((keymap_impl->keysyms_per_keycode + 1) / 2)) + (level))
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#define KEYSYM_IS_KEYPAD(s) (((s) >= 0xff80 && (s) <= 0xffbd) || \
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((s) >= 0x11000000 && (s) <= 0x1100ffff))
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static gint
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get_symbol (const KeySym *syms,
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GdkKeymapX11 *keymap_x11,
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gint group,
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gint level)
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{
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gint index;
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index = KEYSYM_INDEX(keymap_x11, group, level);
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if (index >= keymap_x11->keysyms_per_keycode)
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return NoSymbol;
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return syms[index];
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}
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static void
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set_symbol (KeySym *syms,
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GdkKeymapX11 *keymap_x11,
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gint group,
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gint level,
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KeySym sym)
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{
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gint index;
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index = KEYSYM_INDEX(keymap_x11, group, level);
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if (index >= keymap_x11->keysyms_per_keycode)
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return;
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syms[index] = sym;
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}
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static void
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update_keymaps (GdkKeymapX11 *keymap_x11)
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{
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GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (GDK_KEYMAP (keymap_x11)->display);
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Display *xdisplay = display_x11->xdisplay;
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#ifdef HAVE_XKB
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g_assert (!KEYMAP_USE_XKB (GDK_KEYMAP (keymap_x11)));
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#endif
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if (keymap_x11->keymap == NULL ||
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keymap_x11->current_serial != display_x11->keymap_serial)
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{
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gint i;
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gint map_size;
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gint keycode;
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keymap_x11->current_serial = display_x11->keymap_serial;
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update_keyrange (keymap_x11);
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if (keymap_x11->keymap)
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XFree (keymap_x11->keymap);
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if (keymap_x11->mod_keymap)
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XFreeModifiermap (keymap_x11->mod_keymap);
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keymap_x11->keymap = XGetKeyboardMapping (xdisplay, keymap_x11->min_keycode,
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keymap_x11->max_keycode - keymap_x11->min_keycode + 1,
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&keymap_x11->keysyms_per_keycode);
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/* GDK_ISO_Left_Tab, as usually configured through XKB, really messes
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* up the whole idea of "consumed modifiers" because shift is consumed.
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* However, <shift>Tab is not usually GDK_ISO_Left_Tab without XKB,
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* we we fudge the map here.
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*/
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keycode = keymap_x11->min_keycode;
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while (keycode <= keymap_x11->max_keycode)
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{
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KeySym *syms = keymap_x11->keymap + (keycode - keymap_x11->min_keycode) * keymap_x11->keysyms_per_keycode;
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/* Check both groups */
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for (i = 0 ; i < 2 ; i++)
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{
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if (get_symbol (syms, keymap_x11, i, 0) == GDK_Tab)
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set_symbol (syms, keymap_x11, i, 1, GDK_ISO_Left_Tab);
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}
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/*
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* If there is one keysym and the key symbol has upper and lower
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* case variants fudge the keymap
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*/
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if (get_symbol (syms, keymap_x11, 0, 1) == 0)
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{
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guint lower;
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guint upper;
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gdk_keyval_convert_case (get_symbol (syms, keymap_x11, 0, 0), &lower, &upper);
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if (lower != upper)
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{
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set_symbol (syms, keymap_x11, 0, 0, lower);
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set_symbol (syms, keymap_x11, 0, 1, upper);
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}
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}
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++keycode;
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}
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keymap_x11->mod_keymap = XGetModifierMapping (xdisplay);
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keymap_x11->lock_keysym = GDK_VoidSymbol;
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keymap_x11->group_switch_mask = 0;
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keymap_x11->num_lock_mask = 0;
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for (i = 0; i < 8; i++)
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keymap_x11->modmap[i] = 1 << i;
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/* There are 8 sets of modifiers, with each set containing
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* max_keypermod keycodes.
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*/
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map_size = 8 * keymap_x11->mod_keymap->max_keypermod;
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for (i = 0; i < map_size; i++)
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{
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/* Get the key code at this point in the map. */
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gint keycode = keymap_x11->mod_keymap->modifiermap[i];
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gint j;
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KeySym *syms;
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guint mask;
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/* Ignore invalid keycodes. */
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if (keycode < keymap_x11->min_keycode ||
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keycode > keymap_x11->max_keycode)
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continue;
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syms = keymap_x11->keymap + (keycode - keymap_x11->min_keycode) * keymap_x11->keysyms_per_keycode;
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mask = 0;
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for (j = 0; j < keymap_x11->keysyms_per_keycode; j++)
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{
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if (syms[j] == GDK_Meta_L ||
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syms[j] == GDK_Meta_R)
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mask |= GDK_META_MASK;
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else if (syms[j] == GDK_Hyper_L ||
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syms[j] == GDK_Hyper_R)
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mask |= GDK_HYPER_MASK;
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else if (syms[j] == GDK_Super_L ||
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syms[j] == GDK_Super_R)
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mask |= GDK_SUPER_MASK;
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}
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keymap_x11->modmap[i/keymap_x11->mod_keymap->max_keypermod] |= mask;
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/* The fourth modifier, GDK_MOD1_MASK is 1 << 3.
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* Each group of max_keypermod entries refers to the same modifier.
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*/
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mask = 1 << (i / keymap_x11->mod_keymap->max_keypermod);
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switch (mask)
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{
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case GDK_LOCK_MASK:
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/* Get the Lock keysym. If any keysym bound to the Lock modifier
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* is Caps_Lock, we will interpret the modifier as Caps_Lock;
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* otherwise, if any is bound to Shift_Lock, we will interpret
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* the modifier as Shift_Lock. Otherwise, the lock modifier
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* has no effect.
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*/
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for (j = 0; j < keymap_x11->keysyms_per_keycode; j++)
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{
|
|
if (syms[j] == GDK_Caps_Lock)
|
|
keymap_x11->lock_keysym = GDK_Caps_Lock;
|
|
else if (syms[j] == GDK_Shift_Lock &&
|
|
keymap_x11->lock_keysym == GDK_VoidSymbol)
|
|
keymap_x11->lock_keysym = GDK_Shift_Lock;
|
|
}
|
|
break;
|
|
|
|
case GDK_CONTROL_MASK:
|
|
case GDK_SHIFT_MASK:
|
|
case GDK_MOD1_MASK:
|
|
/* Some keyboard maps are known to map Mode_Switch as an
|
|
* extra Mod1 key. In circumstances like that, it won't be
|
|
* used to switch groups.
|
|
*/
|
|
break;
|
|
|
|
default:
|
|
/* Find the Mode_Switch and Num_Lock modifiers. */
|
|
for (j = 0; j < keymap_x11->keysyms_per_keycode; j++)
|
|
{
|
|
if (syms[j] == GDK_Mode_switch)
|
|
{
|
|
/* This modifier swaps groups */
|
|
keymap_x11->group_switch_mask |= mask;
|
|
}
|
|
else if (syms[j] == GDK_Num_Lock)
|
|
{
|
|
/* This modifier is used for Num_Lock */
|
|
keymap_x11->num_lock_mask |= mask;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Hack: The Sun X server puts the keysym to use when the Num Lock
|
|
* modifier is on in the third element of the keysym array, instead
|
|
* of the second.
|
|
*/
|
|
if ((strcmp (ServerVendor (xdisplay), "Sun Microsystems, Inc.") == 0) &&
|
|
(keymap_x11->keysyms_per_keycode > 2))
|
|
keymap_x11->sun_keypad = TRUE;
|
|
else
|
|
keymap_x11->sun_keypad = FALSE;
|
|
}
|
|
}
|
|
|
|
static const KeySym*
|
|
get_keymap (GdkKeymapX11 *keymap_x11)
|
|
{
|
|
update_keymaps (keymap_x11);
|
|
|
|
return keymap_x11->keymap;
|
|
}
|
|
|
|
#define GET_EFFECTIVE_KEYMAP(keymap) get_effective_keymap ((keymap), G_STRFUNC)
|
|
|
|
static GdkKeymap *
|
|
get_effective_keymap (GdkKeymap *keymap,
|
|
const char *function)
|
|
{
|
|
if (!keymap)
|
|
{
|
|
GDK_NOTE (MULTIHEAD,
|
|
g_message ("reverting to default display keymap in %s",
|
|
function));
|
|
return gdk_keymap_get_default ();
|
|
}
|
|
|
|
return keymap;
|
|
}
|
|
|
|
#if HAVE_XKB
|
|
static PangoDirection
|
|
get_direction (XkbDescRec *xkb,
|
|
gint group)
|
|
{
|
|
gint code;
|
|
|
|
gint rtl_minus_ltr = 0; /* total number of RTL keysyms minus LTR ones */
|
|
|
|
for (code = xkb->min_key_code; code <= xkb->max_key_code; code++)
|
|
{
|
|
gint level = 0;
|
|
KeySym sym = XkbKeySymEntry (xkb, code, level, group);
|
|
PangoDirection dir = pango_unichar_direction (gdk_keyval_to_unicode (sym));
|
|
|
|
switch (dir)
|
|
{
|
|
case PANGO_DIRECTION_RTL:
|
|
rtl_minus_ltr++;
|
|
break;
|
|
case PANGO_DIRECTION_LTR:
|
|
rtl_minus_ltr--;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (rtl_minus_ltr > 0)
|
|
return PANGO_DIRECTION_RTL;
|
|
else
|
|
return PANGO_DIRECTION_LTR;
|
|
}
|
|
|
|
static PangoDirection
|
|
get_direction_from_cache (GdkKeymapX11 *keymap_x11,
|
|
XkbDescPtr xkb,
|
|
gint group)
|
|
{
|
|
Atom group_atom = xkb->names->groups[group];
|
|
|
|
gboolean cache_hit = FALSE;
|
|
DirectionCacheEntry *cache = keymap_x11->group_direction_cache;
|
|
|
|
PangoDirection direction = PANGO_DIRECTION_NEUTRAL;
|
|
gint i;
|
|
|
|
if (keymap_x11->have_direction)
|
|
{
|
|
/* lookup in cache */
|
|
for (i = 0; i < G_N_ELEMENTS (keymap_x11->group_direction_cache); i++)
|
|
{
|
|
if (cache[i].group_atom == group_atom)
|
|
{
|
|
cache_hit = TRUE;
|
|
cache[i].serial = keymap_x11->current_cache_serial++; /* freshen */
|
|
direction = cache[i].direction;
|
|
group_atom = cache[i].group_atom;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* initialize cache */
|
|
for (i = 0; i < G_N_ELEMENTS (keymap_x11->group_direction_cache); i++)
|
|
{
|
|
cache[i].group_atom = 0;
|
|
cache[i].serial = keymap_x11->current_cache_serial;
|
|
}
|
|
keymap_x11->current_cache_serial++;
|
|
}
|
|
|
|
/* insert in cache */
|
|
if (!cache_hit)
|
|
{
|
|
gint oldest = 0;
|
|
|
|
direction = get_direction (xkb, group);
|
|
|
|
/* remove the oldest entry */
|
|
for (i = 0; i < G_N_ELEMENTS (keymap_x11->group_direction_cache); i++)
|
|
{
|
|
if (cache[i].serial < cache[oldest].serial)
|
|
oldest = i;
|
|
}
|
|
|
|
cache[oldest].group_atom = group_atom;
|
|
cache[oldest].direction = direction;
|
|
cache[oldest].serial = keymap_x11->current_cache_serial++;
|
|
}
|
|
|
|
return direction;
|
|
}
|
|
|
|
static int
|
|
get_num_groups (GdkKeymap *keymap,
|
|
XkbDescPtr xkb)
|
|
{
|
|
Display *display = KEYMAP_XDISPLAY (keymap);
|
|
XkbGetControls(display, XkbSlowKeysMask, xkb);
|
|
XkbGetUpdatedMap (display, XkbKeySymsMask | XkbKeyTypesMask |
|
|
XkbModifierMapMask | XkbVirtualModsMask, xkb);
|
|
return xkb->ctrls->num_groups;
|
|
}
|
|
|
|
static gboolean
|
|
update_direction (GdkKeymapX11 *keymap_x11,
|
|
gint group)
|
|
{
|
|
XkbDescPtr xkb = get_xkb (keymap_x11);
|
|
Atom group_atom;
|
|
gboolean had_direction;
|
|
PangoDirection old_direction;
|
|
|
|
had_direction = keymap_x11->have_direction;
|
|
old_direction = keymap_x11->current_direction;
|
|
|
|
group_atom = xkb->names->groups[group];
|
|
|
|
/* a group change? */
|
|
if (!keymap_x11->have_direction || keymap_x11->current_group_atom != group_atom)
|
|
{
|
|
keymap_x11->current_direction = get_direction_from_cache (keymap_x11, xkb, group);
|
|
keymap_x11->current_group_atom = group_atom;
|
|
keymap_x11->have_direction = TRUE;
|
|
}
|
|
|
|
return !had_direction || old_direction != keymap_x11->current_direction;
|
|
}
|
|
|
|
static gboolean
|
|
update_lock_state (GdkKeymapX11 *keymap_x11,
|
|
gint locked_mods)
|
|
{
|
|
gboolean caps_lock_state;
|
|
|
|
caps_lock_state = keymap_x11->caps_lock_state;
|
|
|
|
keymap_x11->caps_lock_state = (locked_mods & GDK_LOCK_MASK) != 0;
|
|
|
|
return caps_lock_state != keymap_x11->caps_lock_state;
|
|
}
|
|
|
|
/* keep this in sync with the XkbSelectEventDetails() call
|
|
* in gdk_display_open()
|
|
*/
|
|
void
|
|
_gdk_keymap_state_changed (GdkDisplay *display,
|
|
XEvent *xevent)
|
|
{
|
|
GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
|
|
XkbEvent *xkb_event = (XkbEvent *)xevent;
|
|
|
|
if (display_x11->keymap)
|
|
{
|
|
GdkKeymapX11 *keymap_x11 = GDK_KEYMAP_X11 (display_x11->keymap);
|
|
|
|
if (update_direction (keymap_x11, XkbStateGroup (&xkb_event->state)))
|
|
g_signal_emit_by_name (keymap_x11, "direction-changed");
|
|
|
|
if (update_lock_state (keymap_x11, xkb_event->state.locked_mods))
|
|
g_signal_emit_by_name (keymap_x11, "state-changed");
|
|
}
|
|
}
|
|
|
|
#endif /* HAVE_XKB */
|
|
|
|
void
|
|
_gdk_keymap_keys_changed (GdkDisplay *display)
|
|
{
|
|
GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
|
|
|
|
++display_x11->keymap_serial;
|
|
|
|
if (display_x11->keymap)
|
|
g_signal_emit_by_name (display_x11->keymap, "keys_changed", 0);
|
|
}
|
|
|
|
/**
|
|
* gdk_keymap_get_direction:
|
|
* @keymap: a #GdkKeymap or %NULL to use the default keymap
|
|
*
|
|
* Returns the direction of effective layout of the keymap.
|
|
*
|
|
* Note that passing %NULL for @keymap is deprecated and will stop
|
|
* to work in GTK+ 3.0. Use gdk_keymap_get_for_display() instead.
|
|
*
|
|
* Returns: %PANGO_DIRECTION_LTR or %PANGO_DIRECTION_RTL
|
|
* if it can determine the direction. %PANGO_DIRECTION_NEUTRAL
|
|
* otherwise.
|
|
**/
|
|
PangoDirection
|
|
gdk_keymap_get_direction (GdkKeymap *keymap)
|
|
{
|
|
keymap = GET_EFFECTIVE_KEYMAP (keymap);
|
|
|
|
#if HAVE_XKB
|
|
if (KEYMAP_USE_XKB (keymap))
|
|
{
|
|
GdkKeymapX11 *keymap_x11 = GDK_KEYMAP_X11 (keymap);
|
|
|
|
if (!keymap_x11->have_direction)
|
|
{
|
|
GdkDisplay *display = GDK_KEYMAP (keymap_x11)->display;
|
|
XkbStateRec state_rec;
|
|
|
|
XkbGetState (GDK_DISPLAY_XDISPLAY (display), XkbUseCoreKbd,
|
|
&state_rec);
|
|
update_direction (keymap_x11, XkbStateGroup (&state_rec));
|
|
}
|
|
|
|
return keymap_x11->current_direction;
|
|
}
|
|
else
|
|
#endif /* HAVE_XKB */
|
|
return PANGO_DIRECTION_NEUTRAL;
|
|
}
|
|
|
|
/**
|
|
* gdk_keymap_have_bidi_layouts:
|
|
* @keymap: a #GdkKeymap or %NULL to use the default keymap
|
|
*
|
|
* Determines if keyboard layouts for both right-to-left and left-to-right
|
|
* languages are in use.
|
|
*
|
|
* Note that passing %NULL for @keymap is deprecated and will stop
|
|
* to work in GTK+ 3.0. Use gdk_keymap_get_for_display() instead.
|
|
*
|
|
* Returns: %TRUE if there are layouts in both directions, %FALSE otherwise
|
|
*
|
|
* Since: 2.12
|
|
**/
|
|
gboolean
|
|
gdk_keymap_have_bidi_layouts (GdkKeymap *keymap)
|
|
{
|
|
keymap = GET_EFFECTIVE_KEYMAP (keymap);
|
|
|
|
#if HAVE_XKB
|
|
if (KEYMAP_USE_XKB (keymap))
|
|
{
|
|
GdkKeymapX11 *keymap_x11 = GDK_KEYMAP_X11 (keymap);
|
|
XkbDescPtr xkb = get_xkb (keymap_x11);
|
|
int num_groups = get_num_groups (keymap, xkb);
|
|
|
|
int i;
|
|
gboolean have_ltr_keyboard = FALSE;
|
|
gboolean have_rtl_keyboard = FALSE;
|
|
|
|
for (i = 0; i < num_groups; i++)
|
|
{
|
|
if (get_direction_from_cache (keymap_x11, xkb, i) == PANGO_DIRECTION_RTL)
|
|
have_rtl_keyboard = TRUE;
|
|
else
|
|
have_ltr_keyboard = TRUE;
|
|
}
|
|
|
|
return have_ltr_keyboard && have_rtl_keyboard;
|
|
}
|
|
else
|
|
#endif /* HAVE_XKB */
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
* gdk_keymap_get_caps_lock_state:
|
|
* @keymap: a #GdkKeymap
|
|
*
|
|
* Returns whether the Caps Lock modifer is locked.
|
|
*
|
|
* Returns: %TRUE if Caps Lock is on
|
|
*
|
|
* Since: 2.16
|
|
*/
|
|
gboolean
|
|
gdk_keymap_get_caps_lock_state (GdkKeymap *keymap)
|
|
{
|
|
GdkKeymapX11 *keymap_x11;
|
|
|
|
keymap = GET_EFFECTIVE_KEYMAP (keymap);
|
|
|
|
keymap_x11 = GDK_KEYMAP_X11 (keymap);
|
|
|
|
return keymap_x11->caps_lock_state;
|
|
}
|
|
|
|
|
|
/**
|
|
* gdk_keymap_get_entries_for_keyval:
|
|
* @keymap: (allow-none): a #GdkKeymap, or %NULL to use the default keymap
|
|
* @keyval: a keyval, such as %GDK_a, %GDK_Up, %GDK_Return, etc.
|
|
* @keys: (out): return location for an array of #GdkKeymapKey
|
|
* @n_keys: (out): return location for number of elements in returned array
|
|
*
|
|
* Obtains a list of keycode/group/level combinations that will
|
|
* generate @keyval. Groups and levels are two kinds of keyboard mode;
|
|
* in general, the level determines whether the top or bottom symbol
|
|
* on a key is used, and the group determines whether the left or
|
|
* right symbol is used. On US keyboards, the shift key changes the
|
|
* keyboard level, and there are no groups. A group switch key might
|
|
* convert a keyboard between Hebrew to English modes, for example.
|
|
* #GdkEventKey contains a %group field that indicates the active
|
|
* keyboard group. The level is computed from the modifier mask.
|
|
* The returned array should be freed
|
|
* with g_free().
|
|
*
|
|
* Note that passing %NULL for @keymap is deprecated and will stop
|
|
* to work in GTK+ 3.0. Use gdk_keymap_get_for_display() instead.
|
|
*
|
|
* Return value: %TRUE if keys were found and returned
|
|
**/
|
|
gboolean
|
|
gdk_keymap_get_entries_for_keyval (GdkKeymap *keymap,
|
|
guint keyval,
|
|
GdkKeymapKey **keys,
|
|
gint *n_keys)
|
|
{
|
|
GArray *retval;
|
|
GdkKeymapX11 *keymap_x11;
|
|
|
|
g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), FALSE);
|
|
g_return_val_if_fail (keys != NULL, FALSE);
|
|
g_return_val_if_fail (n_keys != NULL, FALSE);
|
|
g_return_val_if_fail (keyval != 0, FALSE);
|
|
|
|
keymap = GET_EFFECTIVE_KEYMAP (keymap);
|
|
keymap_x11 = GDK_KEYMAP_X11 (keymap);
|
|
|
|
retval = g_array_new (FALSE, FALSE, sizeof (GdkKeymapKey));
|
|
|
|
#ifdef HAVE_XKB
|
|
if (KEYMAP_USE_XKB (keymap))
|
|
{
|
|
/* See sec 15.3.4 in XKB docs */
|
|
|
|
XkbDescRec *xkb = get_xkb (keymap_x11);
|
|
gint keycode;
|
|
|
|
keycode = keymap_x11->min_keycode;
|
|
|
|
while (keycode <= keymap_x11->max_keycode)
|
|
{
|
|
gint max_shift_levels = XkbKeyGroupsWidth (xkb, keycode); /* "key width" */
|
|
gint group = 0;
|
|
gint level = 0;
|
|
gint total_syms = XkbKeyNumSyms (xkb, keycode);
|
|
gint i = 0;
|
|
KeySym *entry;
|
|
|
|
/* entry is an array with all syms for group 0, all
|
|
* syms for group 1, etc. and for each group the
|
|
* shift level syms are in order
|
|
*/
|
|
entry = XkbKeySymsPtr (xkb, keycode);
|
|
|
|
while (i < total_syms)
|
|
{
|
|
/* check out our cool loop invariant */
|
|
g_assert (i == (group * max_shift_levels + level));
|
|
|
|
if (entry[i] == keyval)
|
|
{
|
|
/* Found a match */
|
|
GdkKeymapKey key;
|
|
|
|
key.keycode = keycode;
|
|
key.group = group;
|
|
key.level = level;
|
|
|
|
g_array_append_val (retval, key);
|
|
|
|
g_assert (XkbKeySymEntry (xkb, keycode, level, group) ==
|
|
keyval);
|
|
}
|
|
|
|
++level;
|
|
|
|
if (level == max_shift_levels)
|
|
{
|
|
level = 0;
|
|
++group;
|
|
}
|
|
|
|
++i;
|
|
}
|
|
|
|
++keycode;
|
|
}
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
const KeySym *map = get_keymap (keymap_x11);
|
|
gint keycode;
|
|
|
|
keycode = keymap_x11->min_keycode;
|
|
while (keycode <= keymap_x11->max_keycode)
|
|
{
|
|
const KeySym *syms = map + (keycode - keymap_x11->min_keycode) * keymap_x11->keysyms_per_keycode;
|
|
gint i = 0;
|
|
|
|
while (i < keymap_x11->keysyms_per_keycode)
|
|
{
|
|
if (syms[i] == keyval)
|
|
{
|
|
/* found a match */
|
|
GdkKeymapKey key;
|
|
|
|
key.keycode = keycode;
|
|
|
|
/* The "classic" non-XKB keymap has 2 levels per group */
|
|
key.group = i / 2;
|
|
key.level = i % 2;
|
|
|
|
g_array_append_val (retval, key);
|
|
}
|
|
|
|
++i;
|
|
}
|
|
|
|
++keycode;
|
|
}
|
|
}
|
|
|
|
if (retval->len > 0)
|
|
{
|
|
*keys = (GdkKeymapKey*) retval->data;
|
|
*n_keys = retval->len;
|
|
}
|
|
else
|
|
{
|
|
*keys = NULL;
|
|
*n_keys = 0;
|
|
}
|
|
|
|
g_array_free (retval, retval->len > 0 ? FALSE : TRUE);
|
|
|
|
return *n_keys > 0;
|
|
}
|
|
|
|
/**
|
|
* gdk_keymap_get_entries_for_keycode:
|
|
* @keymap: (allow-none): a #GdkKeymap or %NULL to use the default keymap
|
|
* @hardware_keycode: a keycode
|
|
* @keys: (out): return location for array of #GdkKeymapKey, or %NULL
|
|
* @keyvals: (out): return location for array of keyvals, or %NULL
|
|
* @n_entries: length of @keys and @keyvals
|
|
*
|
|
* Returns the keyvals bound to @hardware_keycode.
|
|
* The Nth #GdkKeymapKey in @keys is bound to the Nth
|
|
* keyval in @keyvals. Free the returned arrays with g_free().
|
|
* When a keycode is pressed by the user, the keyval from
|
|
* this list of entries is selected by considering the effective
|
|
* keyboard group and level. See gdk_keymap_translate_keyboard_state().
|
|
*
|
|
* Note that passing %NULL for @keymap is deprecated and will stop
|
|
* to work in GTK+ 3.0. Use gdk_keymap_get_for_display() instead.
|
|
*
|
|
* Returns: %TRUE if there were any entries
|
|
**/
|
|
gboolean
|
|
gdk_keymap_get_entries_for_keycode (GdkKeymap *keymap,
|
|
guint hardware_keycode,
|
|
GdkKeymapKey **keys,
|
|
guint **keyvals,
|
|
gint *n_entries)
|
|
{
|
|
GdkKeymapX11 *keymap_x11;
|
|
|
|
GArray *key_array;
|
|
GArray *keyval_array;
|
|
|
|
g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), FALSE);
|
|
g_return_val_if_fail (n_entries != NULL, FALSE);
|
|
|
|
keymap = GET_EFFECTIVE_KEYMAP (keymap);
|
|
keymap_x11 = GDK_KEYMAP_X11 (keymap);
|
|
|
|
update_keyrange (keymap_x11);
|
|
|
|
if (hardware_keycode < keymap_x11->min_keycode ||
|
|
hardware_keycode > keymap_x11->max_keycode)
|
|
{
|
|
if (keys)
|
|
*keys = NULL;
|
|
if (keyvals)
|
|
*keyvals = NULL;
|
|
|
|
*n_entries = 0;
|
|
return FALSE;
|
|
}
|
|
|
|
if (keys)
|
|
key_array = g_array_new (FALSE, FALSE, sizeof (GdkKeymapKey));
|
|
else
|
|
key_array = NULL;
|
|
|
|
if (keyvals)
|
|
keyval_array = g_array_new (FALSE, FALSE, sizeof (guint));
|
|
else
|
|
keyval_array = NULL;
|
|
|
|
#ifdef HAVE_XKB
|
|
if (KEYMAP_USE_XKB (keymap))
|
|
{
|
|
/* See sec 15.3.4 in XKB docs */
|
|
|
|
XkbDescRec *xkb = get_xkb (keymap_x11);
|
|
gint max_shift_levels;
|
|
gint group = 0;
|
|
gint level = 0;
|
|
gint total_syms;
|
|
gint i = 0;
|
|
KeySym *entry;
|
|
|
|
max_shift_levels = XkbKeyGroupsWidth (xkb, hardware_keycode); /* "key width" */
|
|
total_syms = XkbKeyNumSyms (xkb, hardware_keycode);
|
|
|
|
/* entry is an array with all syms for group 0, all
|
|
* syms for group 1, etc. and for each group the
|
|
* shift level syms are in order
|
|
*/
|
|
entry = XkbKeySymsPtr (xkb, hardware_keycode);
|
|
|
|
while (i < total_syms)
|
|
{
|
|
/* check out our cool loop invariant */
|
|
g_assert (i == (group * max_shift_levels + level));
|
|
|
|
if (key_array)
|
|
{
|
|
GdkKeymapKey key;
|
|
|
|
key.keycode = hardware_keycode;
|
|
key.group = group;
|
|
key.level = level;
|
|
|
|
g_array_append_val (key_array, key);
|
|
}
|
|
|
|
if (keyval_array)
|
|
g_array_append_val (keyval_array, entry[i]);
|
|
|
|
++level;
|
|
|
|
if (level == max_shift_levels)
|
|
{
|
|
level = 0;
|
|
++group;
|
|
}
|
|
|
|
++i;
|
|
}
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
const KeySym *map = get_keymap (keymap_x11);
|
|
const KeySym *syms;
|
|
gint i = 0;
|
|
|
|
syms = map + (hardware_keycode - keymap_x11->min_keycode) * keymap_x11->keysyms_per_keycode;
|
|
|
|
while (i < keymap_x11->keysyms_per_keycode)
|
|
{
|
|
if (key_array)
|
|
{
|
|
GdkKeymapKey key;
|
|
|
|
key.keycode = hardware_keycode;
|
|
|
|
/* The "classic" non-XKB keymap has 2 levels per group */
|
|
key.group = i / 2;
|
|
key.level = i % 2;
|
|
|
|
g_array_append_val (key_array, key);
|
|
}
|
|
|
|
if (keyval_array)
|
|
g_array_append_val (keyval_array, syms[i]);
|
|
|
|
++i;
|
|
}
|
|
}
|
|
|
|
*n_entries = 0;
|
|
|
|
if (keys)
|
|
{
|
|
*n_entries = key_array->len;
|
|
*keys = (GdkKeymapKey*) g_array_free (key_array, FALSE);
|
|
}
|
|
|
|
if (keyvals)
|
|
{
|
|
*n_entries = keyval_array->len;
|
|
*keyvals = (guint*) g_array_free (keyval_array, FALSE);
|
|
}
|
|
|
|
return *n_entries > 0;
|
|
}
|
|
|
|
|
|
/**
|
|
* gdk_keymap_lookup_key:
|
|
* @keymap: a #GdkKeymap or %NULL to use the default keymap
|
|
* @key: a #GdkKeymapKey with keycode, group, and level initialized
|
|
*
|
|
* Looks up the keyval mapped to a keycode/group/level triplet.
|
|
* If no keyval is bound to @key, returns 0. For normal user input,
|
|
* you want to use gdk_keymap_translate_keyboard_state() instead of
|
|
* this function, since the effective group/level may not be
|
|
* the same as the current keyboard state.
|
|
*
|
|
* Note that passing %NULL for @keymap is deprecated and will stop
|
|
* to work in GTK+ 3.0. Use gdk_keymap_get_for_display() instead.
|
|
*
|
|
* Return value: a keyval, or 0 if none was mapped to the given @key
|
|
**/
|
|
guint
|
|
gdk_keymap_lookup_key (GdkKeymap *keymap,
|
|
const GdkKeymapKey *key)
|
|
{
|
|
GdkKeymapX11 *keymap_x11;
|
|
|
|
g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), 0);
|
|
g_return_val_if_fail (key != NULL, 0);
|
|
g_return_val_if_fail (key->group < 4, 0);
|
|
|
|
keymap = GET_EFFECTIVE_KEYMAP (keymap);
|
|
keymap_x11 = GDK_KEYMAP_X11 (keymap);
|
|
|
|
#ifdef HAVE_XKB
|
|
if (KEYMAP_USE_XKB (keymap))
|
|
{
|
|
XkbDescRec *xkb = get_xkb (keymap_x11);
|
|
|
|
return XkbKeySymEntry (xkb, key->keycode, key->level, key->group);
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
const KeySym *map = get_keymap (keymap_x11);
|
|
const KeySym *syms = map + (key->keycode - keymap_x11->min_keycode) * keymap_x11->keysyms_per_keycode;
|
|
return get_symbol (syms, keymap_x11, key->group, key->level);
|
|
}
|
|
}
|
|
|
|
#ifdef HAVE_XKB
|
|
/* This is copied straight from XFree86 Xlib, to:
|
|
* - add the group and level return.
|
|
* - change the interpretation of mods_rtrn as described
|
|
* in the docs for gdk_keymap_translate_keyboard_state()
|
|
* It's unchanged for ease of diff against the Xlib sources; don't
|
|
* reformat it.
|
|
*/
|
|
static Bool
|
|
MyEnhancedXkbTranslateKeyCode(register XkbDescPtr xkb,
|
|
KeyCode key,
|
|
register unsigned int mods,
|
|
unsigned int * mods_rtrn,
|
|
KeySym * keysym_rtrn,
|
|
int * group_rtrn,
|
|
int * level_rtrn)
|
|
{
|
|
XkbKeyTypeRec *type;
|
|
int col,nKeyGroups;
|
|
unsigned preserve,effectiveGroup;
|
|
KeySym *syms;
|
|
|
|
if (mods_rtrn!=NULL)
|
|
*mods_rtrn = 0;
|
|
|
|
nKeyGroups= XkbKeyNumGroups(xkb,key);
|
|
if ((!XkbKeycodeInRange(xkb,key))||(nKeyGroups==0)) {
|
|
if (keysym_rtrn!=NULL)
|
|
*keysym_rtrn = NoSymbol;
|
|
return False;
|
|
}
|
|
|
|
syms = XkbKeySymsPtr(xkb,key);
|
|
|
|
/* find the offset of the effective group */
|
|
col = 0;
|
|
effectiveGroup= XkbGroupForCoreState(mods);
|
|
if ( effectiveGroup>=nKeyGroups ) {
|
|
unsigned groupInfo= XkbKeyGroupInfo(xkb,key);
|
|
switch (XkbOutOfRangeGroupAction(groupInfo)) {
|
|
default:
|
|
effectiveGroup %= nKeyGroups;
|
|
break;
|
|
case XkbClampIntoRange:
|
|
effectiveGroup = nKeyGroups-1;
|
|
break;
|
|
case XkbRedirectIntoRange:
|
|
effectiveGroup = XkbOutOfRangeGroupNumber(groupInfo);
|
|
if (effectiveGroup>=nKeyGroups)
|
|
effectiveGroup= 0;
|
|
break;
|
|
}
|
|
}
|
|
col= effectiveGroup*XkbKeyGroupsWidth(xkb,key);
|
|
type = XkbKeyKeyType(xkb,key,effectiveGroup);
|
|
|
|
preserve= 0;
|
|
if (type->map) { /* find the column (shift level) within the group */
|
|
register int i;
|
|
register XkbKTMapEntryPtr entry;
|
|
/* ---- Begin section modified for GDK ---- */
|
|
int found = 0;
|
|
|
|
for (i=0,entry=type->map;i<type->map_count;i++,entry++) {
|
|
if (mods_rtrn) {
|
|
int bits = 0;
|
|
unsigned long tmp = entry->mods.mask;
|
|
while (tmp) {
|
|
if ((tmp & 1) == 1)
|
|
bits++;
|
|
tmp >>= 1;
|
|
}
|
|
/* We always add one-modifiers levels to mods_rtrn since
|
|
* they can't wipe out bits in the state unless the
|
|
* level would be triggered. But return other modifiers
|
|
*
|
|
*/
|
|
if (bits == 1 || (mods&type->mods.mask)==entry->mods.mask)
|
|
*mods_rtrn |= entry->mods.mask;
|
|
}
|
|
|
|
if (!found&&entry->active&&((mods&type->mods.mask)==entry->mods.mask)) {
|
|
col+= entry->level;
|
|
if (type->preserve)
|
|
preserve= type->preserve[i].mask;
|
|
|
|
if (level_rtrn)
|
|
*level_rtrn = entry->level;
|
|
|
|
found = 1;
|
|
}
|
|
}
|
|
/* ---- End section modified for GDK ---- */
|
|
}
|
|
|
|
if (keysym_rtrn!=NULL)
|
|
*keysym_rtrn= syms[col];
|
|
if (mods_rtrn) {
|
|
/* ---- Begin section modified for GDK ---- */
|
|
*mods_rtrn &= ~preserve;
|
|
/* ---- End section modified for GDK ---- */
|
|
|
|
/* ---- Begin stuff GDK comments out of the original Xlib version ---- */
|
|
/* This is commented out because xkb_info is a private struct */
|
|
|
|
#if 0
|
|
/* The Motif VTS doesn't get the help callback called if help
|
|
* is bound to Shift+<whatever>, and it appears as though it
|
|
* is XkbTranslateKeyCode that is causing the problem. The
|
|
* core X version of XTranslateKey always OR's in ShiftMask
|
|
* and LockMask for mods_rtrn, so this "fix" keeps this behavior
|
|
* and solves the VTS problem.
|
|
*/
|
|
if ((xkb->dpy)&&(xkb->dpy->xkb_info)&&
|
|
(xkb->dpy->xkb_info->xlib_ctrls&XkbLC_AlwaysConsumeShiftAndLock)) { *mods_rtrn|= (ShiftMask|LockMask);
|
|
}
|
|
#endif
|
|
|
|
/* ---- End stuff GDK comments out of the original Xlib version ---- */
|
|
}
|
|
|
|
/* ---- Begin stuff GDK adds to the original Xlib version ---- */
|
|
|
|
if (group_rtrn)
|
|
*group_rtrn = effectiveGroup;
|
|
|
|
/* ---- End stuff GDK adds to the original Xlib version ---- */
|
|
|
|
return (syms[col] != NoSymbol);
|
|
}
|
|
#endif /* HAVE_XKB */
|
|
|
|
/* Translates from keycode/state to keysymbol using the traditional interpretation
|
|
* of the keyboard map. See section 12.7 of the Xlib reference manual
|
|
*/
|
|
static guint
|
|
translate_keysym (GdkKeymapX11 *keymap_x11,
|
|
guint hardware_keycode,
|
|
gint group,
|
|
GdkModifierType state,
|
|
gint *effective_group,
|
|
gint *effective_level)
|
|
{
|
|
const KeySym *map = get_keymap (keymap_x11);
|
|
const KeySym *syms = map + (hardware_keycode - keymap_x11->min_keycode) * keymap_x11->keysyms_per_keycode;
|
|
|
|
#define SYM(k,g,l) get_symbol (syms, k,g,l)
|
|
|
|
GdkModifierType shift_modifiers;
|
|
gint shift_level;
|
|
guint tmp_keyval;
|
|
gint num_lock_index;
|
|
|
|
shift_modifiers = GDK_SHIFT_MASK;
|
|
if (keymap_x11->lock_keysym == GDK_Shift_Lock)
|
|
shift_modifiers |= GDK_LOCK_MASK;
|
|
|
|
/* Fall back to the first group if the passed in group is empty
|
|
*/
|
|
if (!(SYM (keymap_x11, group, 0) || SYM (keymap_x11, group, 1)) &&
|
|
(SYM (keymap_x11, 0, 0) || SYM (keymap_x11, 0, 1)))
|
|
group = 0;
|
|
|
|
/* Hack: On Sun, the Num Lock modifier uses the third element in the
|
|
* keysym array, and Mode_Switch does not apply for a keypad key.
|
|
*/
|
|
if (keymap_x11->sun_keypad)
|
|
{
|
|
num_lock_index = 2;
|
|
|
|
if (group != 0)
|
|
{
|
|
gint i;
|
|
|
|
for (i = 0; i < keymap_x11->keysyms_per_keycode; i++)
|
|
if (KEYSYM_IS_KEYPAD (SYM (keymap_x11, 0, i)))
|
|
group = 0;
|
|
}
|
|
}
|
|
else
|
|
num_lock_index = 1;
|
|
|
|
if ((state & keymap_x11->num_lock_mask) &&
|
|
KEYSYM_IS_KEYPAD (SYM (keymap_x11, group, num_lock_index)))
|
|
{
|
|
/* Shift, Shift_Lock cancel Num_Lock
|
|
*/
|
|
shift_level = (state & shift_modifiers) ? 0 : num_lock_index;
|
|
if (!SYM (keymap_x11, group, shift_level) && SYM (keymap_x11, group, 0))
|
|
shift_level = 0;
|
|
|
|
tmp_keyval = SYM (keymap_x11, group, shift_level);
|
|
}
|
|
else
|
|
{
|
|
/* Fall back to the first level if no symbol for the level
|
|
* we were passed.
|
|
*/
|
|
shift_level = (state & shift_modifiers) ? 1 : 0;
|
|
if (!SYM (keymap_x11, group, shift_level) && SYM (keymap_x11, group, 0))
|
|
shift_level = 0;
|
|
|
|
tmp_keyval = SYM (keymap_x11, group, shift_level);
|
|
|
|
if (keymap_x11->lock_keysym == GDK_Caps_Lock && (state & GDK_LOCK_MASK) != 0)
|
|
{
|
|
guint upper = gdk_keyval_to_upper (tmp_keyval);
|
|
if (upper != tmp_keyval)
|
|
tmp_keyval = upper;
|
|
}
|
|
}
|
|
|
|
if (effective_group)
|
|
*effective_group = group;
|
|
|
|
if (effective_level)
|
|
*effective_level = shift_level;
|
|
|
|
return tmp_keyval;
|
|
|
|
#undef SYM
|
|
}
|
|
|
|
/**
|
|
* gdk_keymap_translate_keyboard_state:
|
|
* @keymap: (allow-none): a #GdkKeymap, or %NULL to use the default
|
|
* @hardware_keycode: a keycode
|
|
* @state: a modifier state
|
|
* @group: active keyboard group
|
|
* @keyval: (out) (allow-none): return location for keyval, or %NULL
|
|
* @effective_group: (out) (allow-none): return location for effective group, or %NULL
|
|
* @level: (out) (allow-none): return location for level, or %NULL
|
|
* @consumed_modifiers: (out) (allow-none): return location for modifiers that were used to
|
|
* determine the group or level, or %NULL
|
|
*
|
|
* Translates the contents of a #GdkEventKey into a keyval, effective
|
|
* group, and level. Modifiers that affected the translation and
|
|
* are thus unavailable for application use are returned in
|
|
* @consumed_modifiers. See <xref linkend="key-group-explanation"/> for an explanation of
|
|
* groups and levels. The @effective_group is the group that was
|
|
* actually used for the translation; some keys such as Enter are not
|
|
* affected by the active keyboard group. The @level is derived from
|
|
* @state. For convenience, #GdkEventKey already contains the translated
|
|
* keyval, so this function isn't as useful as you might think.
|
|
*
|
|
* <note><para>
|
|
* @consumed_modifiers gives modifiers that should be masked out
|
|
* from @state when comparing this key press to a hot key. For
|
|
* instance, on a US keyboard, the <literal>plus</literal>
|
|
* symbol is shifted, so when comparing a key press to a
|
|
* <literal><Control>plus</literal> accelerator <Shift> should
|
|
* be masked out.
|
|
* </para>
|
|
* <informalexample><programlisting>
|
|
* /* We want to ignore irrelevant modifiers like ScrollLock */
|
|
* #define ALL_ACCELS_MASK (GDK_CONTROL_MASK | GDK_SHIFT_MASK | GDK_MOD1_MASK)
|
|
* gdk_keymap_translate_keyboard_state (keymap, event->hardware_keycode,
|
|
* event->state, event->group,
|
|
* &keyval, NULL, NULL, &consumed);
|
|
* if (keyval == GDK_PLUS &&
|
|
* (event->state & ~consumed & ALL_ACCELS_MASK) == GDK_CONTROL_MASK)
|
|
* /* Control was pressed */
|
|
* </programlisting></informalexample>
|
|
* <para>
|
|
* An older interpretation @consumed_modifiers was that it contained
|
|
* all modifiers that might affect the translation of the key;
|
|
* this allowed accelerators to be stored with irrelevant consumed
|
|
* modifiers, by doing:</para>
|
|
* <informalexample><programlisting>
|
|
* /* XXX Don't do this XXX */
|
|
* if (keyval == accel_keyval &&
|
|
* (event->state & ~consumed & ALL_ACCELS_MASK) == (accel_mods & ~consumed))
|
|
* /* Accelerator was pressed */
|
|
* </programlisting></informalexample>
|
|
* <para>
|
|
* However, this did not work if multi-modifier combinations were
|
|
* used in the keymap, since, for instance, <literal><Control></literal>
|
|
* would be masked out even if only <literal><Control><Alt></literal>
|
|
* was used in the keymap. To support this usage as well as well as
|
|
* possible, all <emphasis>single modifier</emphasis> combinations
|
|
* that could affect the key for any combination of modifiers will
|
|
* be returned in @consumed_modifiers; multi-modifier combinations
|
|
* are returned only when actually found in @state. When you store
|
|
* accelerators, you should always store them with consumed modifiers
|
|
* removed. Store <literal><Control>plus</literal>,
|
|
* not <literal><Control><Shift>plus</literal>,
|
|
* </para></note>
|
|
*
|
|
* Note that passing %NULL for @keymap is deprecated and will stop
|
|
* to work in GTK+ 3.0. Use gdk_keymap_get_for_display() instead.
|
|
*
|
|
* Return value: %TRUE if there was a keyval bound to the keycode/state/group
|
|
**/
|
|
gboolean
|
|
gdk_keymap_translate_keyboard_state (GdkKeymap *keymap,
|
|
guint hardware_keycode,
|
|
GdkModifierType state,
|
|
gint group,
|
|
guint *keyval,
|
|
gint *effective_group,
|
|
gint *level,
|
|
GdkModifierType *consumed_modifiers)
|
|
{
|
|
GdkKeymapX11 *keymap_x11;
|
|
KeySym tmp_keyval = NoSymbol;
|
|
guint tmp_modifiers;
|
|
|
|
g_return_val_if_fail (keymap == NULL || GDK_IS_KEYMAP (keymap), FALSE);
|
|
g_return_val_if_fail (group < 4, FALSE);
|
|
|
|
keymap = GET_EFFECTIVE_KEYMAP (keymap);
|
|
keymap_x11 = GDK_KEYMAP_X11 (keymap);
|
|
|
|
if (keyval)
|
|
*keyval = NoSymbol;
|
|
if (effective_group)
|
|
*effective_group = 0;
|
|
if (level)
|
|
*level = 0;
|
|
if (consumed_modifiers)
|
|
*consumed_modifiers = 0;
|
|
|
|
update_keyrange (keymap_x11);
|
|
|
|
if (hardware_keycode < keymap_x11->min_keycode ||
|
|
hardware_keycode > keymap_x11->max_keycode)
|
|
return FALSE;
|
|
|
|
#ifdef HAVE_XKB
|
|
if (KEYMAP_USE_XKB (keymap))
|
|
{
|
|
XkbDescRec *xkb = get_xkb (keymap_x11);
|
|
|
|
/* replace bits 13 and 14 with the provided group */
|
|
state &= ~(1 << 13 | 1 << 14);
|
|
state |= group << 13;
|
|
|
|
MyEnhancedXkbTranslateKeyCode (xkb,
|
|
hardware_keycode,
|
|
state,
|
|
&tmp_modifiers,
|
|
&tmp_keyval,
|
|
effective_group,
|
|
level);
|
|
|
|
if (state & ~tmp_modifiers & LockMask)
|
|
tmp_keyval = gdk_keyval_to_upper (tmp_keyval);
|
|
|
|
/* We need to augment the consumed modifiers with LockMask, since
|
|
* we handle that ourselves, and also with the group bits
|
|
*/
|
|
tmp_modifiers |= LockMask | 1 << 13 | 1 << 14;
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
GdkModifierType bit;
|
|
|
|
tmp_modifiers = 0;
|
|
|
|
/* We see what modifiers matter by trying the translation with
|
|
* and without each possible modifier
|
|
*/
|
|
for (bit = GDK_SHIFT_MASK; bit < GDK_BUTTON1_MASK; bit <<= 1)
|
|
{
|
|
/* Handling of the group here is a bit funky; a traditional
|
|
* X keyboard map can have more than two groups, but no way
|
|
* of accessing the extra groups is defined. We allow a
|
|
* caller to pass in any group to this function, but we
|
|
* only can represent switching between group 0 and 1 in
|
|
* consumed modifiers.
|
|
*/
|
|
if (translate_keysym (keymap_x11, hardware_keycode,
|
|
(bit == keymap_x11->group_switch_mask) ? 0 : group,
|
|
state & ~bit,
|
|
NULL, NULL) !=
|
|
translate_keysym (keymap_x11, hardware_keycode,
|
|
(bit == keymap_x11->group_switch_mask) ? 1 : group,
|
|
state | bit,
|
|
NULL, NULL))
|
|
tmp_modifiers |= bit;
|
|
}
|
|
|
|
tmp_keyval = translate_keysym (keymap_x11, hardware_keycode,
|
|
group, state,
|
|
level, effective_group);
|
|
}
|
|
|
|
if (consumed_modifiers)
|
|
*consumed_modifiers = tmp_modifiers;
|
|
|
|
if (keyval)
|
|
*keyval = tmp_keyval;
|
|
|
|
return tmp_keyval != NoSymbol;
|
|
}
|
|
|
|
|
|
/* Key handling not part of the keymap */
|
|
|
|
gchar*
|
|
gdk_keyval_name (guint keyval)
|
|
{
|
|
switch (keyval)
|
|
{
|
|
case GDK_Page_Up:
|
|
return "Page_Up";
|
|
case GDK_Page_Down:
|
|
return "Page_Down";
|
|
case GDK_KP_Page_Up:
|
|
return "KP_Page_Up";
|
|
case GDK_KP_Page_Down:
|
|
return "KP_Page_Down";
|
|
}
|
|
|
|
return XKeysymToString (keyval);
|
|
}
|
|
|
|
guint
|
|
gdk_keyval_from_name (const gchar *keyval_name)
|
|
{
|
|
g_return_val_if_fail (keyval_name != NULL, 0);
|
|
|
|
return XStringToKeysym (keyval_name);
|
|
}
|
|
|
|
#ifdef HAVE_XCONVERTCASE
|
|
void
|
|
gdk_keyval_convert_case (guint symbol,
|
|
guint *lower,
|
|
guint *upper)
|
|
{
|
|
KeySym xlower = 0;
|
|
KeySym xupper = 0;
|
|
|
|
/* Check for directly encoded 24-bit UCS characters: */
|
|
if ((symbol & 0xff000000) == 0x01000000)
|
|
{
|
|
if (lower)
|
|
*lower = gdk_unicode_to_keyval (g_unichar_tolower (symbol & 0x00ffffff));
|
|
if (upper)
|
|
*upper = gdk_unicode_to_keyval (g_unichar_toupper (symbol & 0x00ffffff));
|
|
return;
|
|
}
|
|
|
|
if (symbol)
|
|
XConvertCase (symbol, &xlower, &xupper);
|
|
|
|
if (lower)
|
|
*lower = xlower;
|
|
if (upper)
|
|
*upper = xupper;
|
|
}
|
|
#endif /* HAVE_XCONVERTCASE */
|
|
|
|
gint
|
|
_gdk_x11_get_group_for_state (GdkDisplay *display,
|
|
GdkModifierType state)
|
|
{
|
|
GdkDisplayX11 *display_x11 = GDK_DISPLAY_X11 (display);
|
|
|
|
#ifdef HAVE_XKB
|
|
if (display_x11->use_xkb)
|
|
{
|
|
return XkbGroupForCoreState (state);
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
GdkKeymapX11 *keymap_impl = GDK_KEYMAP_X11 (gdk_keymap_get_for_display (display));
|
|
update_keymaps (keymap_impl);
|
|
return (state & keymap_impl->group_switch_mask) ? 1 : 0;
|
|
}
|
|
}
|
|
|
|
void
|
|
_gdk_keymap_add_virtual_modifiers_compat (GdkKeymap *keymap,
|
|
GdkModifierType *modifiers)
|
|
{
|
|
GdkKeymapX11 *keymap_x11;
|
|
int i;
|
|
|
|
keymap = GET_EFFECTIVE_KEYMAP (keymap);
|
|
keymap_x11 = GDK_KEYMAP_X11 (keymap);
|
|
|
|
for (i = 3; i < 8; i++)
|
|
{
|
|
if ((1 << i) & *modifiers)
|
|
{
|
|
if (keymap_x11->modmap[i] & GDK_MOD1_MASK)
|
|
*modifiers |= GDK_MOD1_MASK;
|
|
else if (keymap_x11->modmap[i] & GDK_SUPER_MASK)
|
|
*modifiers |= GDK_SUPER_MASK;
|
|
else if (keymap_x11->modmap[i] & GDK_HYPER_MASK)
|
|
*modifiers |= GDK_HYPER_MASK;
|
|
else if (keymap_x11->modmap[i] & GDK_META_MASK)
|
|
*modifiers |= GDK_META_MASK;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gdk_keymap_add_virtual_modifiers:
|
|
* @keymap: a #GdkKeymap
|
|
* @state: pointer to the modifier mask to change
|
|
*
|
|
* Adds virtual modifiers (i.e. Super, Hyper and Meta) which correspond
|
|
* to the real modifiers (i.e Mod2, Mod3, ...) in @modifiers.
|
|
* are set in @state to their non-virtual counterparts (i.e. Mod2,
|
|
* Mod3,...) and set the corresponding bits in @state.
|
|
*
|
|
* GDK already does this before delivering key events, but for
|
|
* compatibility reasons, it only sets the first virtual modifier
|
|
* it finds, whereas this function sets all matching virtual modifiers.
|
|
*
|
|
* This function is useful when matching key events against
|
|
* accelerators.
|
|
*
|
|
* Since: 2.20
|
|
*/
|
|
void
|
|
gdk_keymap_add_virtual_modifiers (GdkKeymap *keymap,
|
|
GdkModifierType *state)
|
|
{
|
|
GdkKeymapX11 *keymap_x11;
|
|
int i;
|
|
|
|
keymap = GET_EFFECTIVE_KEYMAP (keymap);
|
|
keymap_x11 = GDK_KEYMAP_X11 (keymap);
|
|
|
|
for (i = 3; i < 8; i++)
|
|
{
|
|
if ((1 << i) & *state)
|
|
{
|
|
if (keymap_x11->modmap[i] & GDK_MOD1_MASK)
|
|
*state |= GDK_MOD1_MASK;
|
|
if (keymap_x11->modmap[i] & GDK_SUPER_MASK)
|
|
*state |= GDK_SUPER_MASK;
|
|
if (keymap_x11->modmap[i] & GDK_HYPER_MASK)
|
|
*state |= GDK_HYPER_MASK;
|
|
if (keymap_x11->modmap[i] & GDK_META_MASK)
|
|
*state |= GDK_META_MASK;
|
|
}
|
|
}
|
|
}
|
|
|
|
gboolean
|
|
_gdk_keymap_key_is_modifier (GdkKeymap *keymap,
|
|
guint keycode)
|
|
{
|
|
GdkKeymapX11 *keymap_x11;
|
|
gint i;
|
|
|
|
keymap = GET_EFFECTIVE_KEYMAP (keymap);
|
|
keymap_x11 = GDK_KEYMAP_X11 (keymap);
|
|
|
|
if (keycode < keymap_x11->min_keycode ||
|
|
keycode > keymap_x11->max_keycode)
|
|
return FALSE;
|
|
|
|
#ifdef HAVE_XKB
|
|
if (KEYMAP_USE_XKB (keymap))
|
|
{
|
|
XkbDescRec *xkb = get_xkb (keymap_x11);
|
|
|
|
if (xkb->map->modmap && xkb->map->modmap[keycode] != 0)
|
|
return TRUE;
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
for (i = 0; i < 8 * keymap_x11->mod_keymap->max_keypermod; i++)
|
|
{
|
|
if (keycode == keymap_x11->mod_keymap->modifiermap[i])
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
* gdk_keymap_map_virtual_modifiers:
|
|
* @keymap: a #GdkKeymap
|
|
* @state: pointer to the modifier state to map
|
|
*
|
|
* Maps the virtual modifiers (i.e. Super, Hyper and Meta) which
|
|
* are set in @state to their non-virtual counterparts (i.e. Mod2,
|
|
* Mod3,...) and set the corresponding bits in @state.
|
|
*
|
|
* This function is useful when matching key events against
|
|
* accelerators.
|
|
*
|
|
* Returns: %TRUE if no virtual modifiers were mapped to the
|
|
* same non-virtual modifier. Note that %FALSE is also returned
|
|
* if a virtual modifier is mapped to a non-virtual modifier that
|
|
* was already set in @state.
|
|
*
|
|
* Since: 2.20
|
|
*/
|
|
gboolean
|
|
gdk_keymap_map_virtual_modifiers (GdkKeymap *keymap,
|
|
GdkModifierType *state)
|
|
{
|
|
GdkKeymapX11 *keymap_x11;
|
|
const guint vmods[] = {
|
|
GDK_SUPER_MASK, GDK_HYPER_MASK, GDK_META_MASK
|
|
};
|
|
int i, j;
|
|
gboolean retval;
|
|
|
|
keymap = GET_EFFECTIVE_KEYMAP (keymap);
|
|
keymap_x11 = GDK_KEYMAP_X11 (keymap);
|
|
|
|
if (KEYMAP_USE_XKB (keymap))
|
|
get_xkb (keymap_x11);
|
|
|
|
retval = TRUE;
|
|
|
|
for (j = 0; j < 3; j++)
|
|
{
|
|
if (*state & vmods[j])
|
|
{
|
|
for (i = 3; i < 8; i++)
|
|
{
|
|
if (keymap_x11->modmap[i] & vmods[j])
|
|
{
|
|
if (*state & (1 << i))
|
|
retval = FALSE;
|
|
else
|
|
*state |= 1 << i;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
|
|
#define __GDK_KEYS_X11_C__
|
|
#include "gdkaliasdef.c"
|