1596 lines
46 KiB
C
1596 lines
46 KiB
C
/* GDK - The GIMP Drawing Kit
|
||
* Copyright (C) 2000 Red Hat, Inc.
|
||
*
|
||
* This library is free software; you can redistribute it and/or
|
||
* modify it under the terms of the GNU Lesser General Public
|
||
* License as published by the Free Software Foundation; either
|
||
* version 2 of the License, or (at your option) any later version.
|
||
*
|
||
* This library is distributed in the hope that it will be useful,
|
||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
* 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, see <http://www.gnu.org/licenses/>.
|
||
*/
|
||
|
||
/*
|
||
* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
|
||
* file for a list of people on the GTK+ Team. See the ChangeLog
|
||
* files for a list of changes. These files are distributed with
|
||
* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
|
||
*/
|
||
|
||
#include "config.h"
|
||
|
||
#include "gdkx11keys.h"
|
||
#include "gdkkeysprivate.h"
|
||
#include "gdkkeysyms.h"
|
||
#include "gdkprivate-x11.h"
|
||
#include "gdkdisplay-x11.h"
|
||
|
||
#include <stdio.h>
|
||
#include <stdlib.h>
|
||
#include <string.h>
|
||
#include <unistd.h>
|
||
#include <limits.h>
|
||
#include <errno.h>
|
||
|
||
#ifdef HAVE_XKB
|
||
#include <X11/XKBlib.h>
|
||
|
||
/* OSF-4.0 is apparently missing this macro
|
||
*/
|
||
# ifndef XkbKeySymEntry
|
||
# define XkbKeySymEntry(d,k,sl,g) \
|
||
(XkbKeySym(d,k,((XkbKeyGroupsWidth(d,k)*(g))+(sl))))
|
||
# endif
|
||
#endif /* HAVE_XKB */
|
||
|
||
typedef struct _DirectionCacheEntry DirectionCacheEntry;
|
||
|
||
struct _DirectionCacheEntry
|
||
{
|
||
guint serial;
|
||
Atom group_atom;
|
||
PangoDirection direction;
|
||
};
|
||
|
||
struct _GdkX11Keymap
|
||
{
|
||
GdkKeymap parent_instance;
|
||
|
||
gint min_keycode;
|
||
gint max_keycode;
|
||
KeySym* keymap;
|
||
gint keysyms_per_keycode;
|
||
XModifierKeymap* mod_keymap;
|
||
guint lock_keysym;
|
||
GdkModifierType group_switch_mask;
|
||
GdkModifierType num_lock_mask;
|
||
GdkModifierType scroll_lock_mask;
|
||
GdkModifierType modmap[8];
|
||
PangoDirection current_direction;
|
||
guint have_direction : 1;
|
||
guint have_lock_state : 1;
|
||
guint caps_lock_state : 1;
|
||
guint num_lock_state : 1;
|
||
guint scroll_lock_state : 1;
|
||
guint modifier_state;
|
||
guint current_serial;
|
||
|
||
#ifdef HAVE_XKB
|
||
XkbDescPtr xkb_desc;
|
||
/* We cache the directions */
|
||
Atom current_group_atom;
|
||
guint current_cache_serial;
|
||
/* A cache of size four should be more than enough, people usually
|
||
* have two groups around, and the xkb limit is four. It still
|
||
* works correct for more than four groups. It's just the
|
||
* cache.
|
||
*/
|
||
DirectionCacheEntry group_direction_cache[4];
|
||
#endif
|
||
};
|
||
|
||
struct _GdkX11KeymapClass
|
||
{
|
||
GdkKeymapClass parent_class;
|
||
};
|
||
|
||
#define KEYMAP_USE_XKB(keymap) GDK_X11_DISPLAY ((keymap)->display)->use_xkb
|
||
#define KEYMAP_XDISPLAY(keymap) GDK_DISPLAY_XDISPLAY ((keymap)->display)
|
||
|
||
G_DEFINE_TYPE (GdkX11Keymap, gdk_x11_keymap, GDK_TYPE_KEYMAP)
|
||
|
||
static void
|
||
gdk_x11_keymap_init (GdkX11Keymap *keymap)
|
||
{
|
||
keymap->min_keycode = 0;
|
||
keymap->max_keycode = 0;
|
||
|
||
keymap->keymap = NULL;
|
||
keymap->keysyms_per_keycode = 0;
|
||
keymap->mod_keymap = NULL;
|
||
|
||
keymap->num_lock_mask = 0;
|
||
keymap->scroll_lock_mask = 0;
|
||
keymap->group_switch_mask = 0;
|
||
keymap->lock_keysym = GDK_KEY_Caps_Lock;
|
||
keymap->have_direction = FALSE;
|
||
keymap->have_lock_state = FALSE;
|
||
keymap->current_serial = 0;
|
||
|
||
#ifdef HAVE_XKB
|
||
keymap->xkb_desc = NULL;
|
||
keymap->current_group_atom = 0;
|
||
keymap->current_cache_serial = 0;
|
||
#endif
|
||
|
||
}
|
||
|
||
static void
|
||
gdk_x11_keymap_finalize (GObject *object)
|
||
{
|
||
GdkX11Keymap *keymap_x11 = GDK_X11_KEYMAP (object);
|
||
|
||
if (keymap_x11->keymap)
|
||
XFree (keymap_x11->keymap);
|
||
|
||
if (keymap_x11->mod_keymap)
|
||
XFreeModifiermap (keymap_x11->mod_keymap);
|
||
|
||
#ifdef HAVE_XKB
|
||
if (keymap_x11->xkb_desc)
|
||
XkbFreeKeyboard (keymap_x11->xkb_desc, XkbAllComponentsMask, True);
|
||
#endif
|
||
|
||
G_OBJECT_CLASS (gdk_x11_keymap_parent_class)->finalize (object);
|
||
}
|
||
|
||
static inline void
|
||
update_keyrange (GdkX11Keymap *keymap_x11)
|
||
{
|
||
if (keymap_x11->max_keycode == 0)
|
||
XDisplayKeycodes (KEYMAP_XDISPLAY (GDK_KEYMAP (keymap_x11)),
|
||
&keymap_x11->min_keycode, &keymap_x11->max_keycode);
|
||
}
|
||
|
||
#ifdef HAVE_XKB
|
||
|
||
static void
|
||
update_modmap (Display *display,
|
||
GdkX11Keymap *keymap_x11)
|
||
{
|
||
static struct {
|
||
const gchar *name;
|
||
Atom atom;
|
||
GdkModifierType mask;
|
||
} vmods[] = {
|
||
{ "Meta", 0, GDK_META_MASK },
|
||
{ "Super", 0, GDK_SUPER_MASK },
|
||
{ "Hyper", 0, GDK_HYPER_MASK },
|
||
{ NULL, 0, 0 }
|
||
};
|
||
|
||
gint i, j, k;
|
||
|
||
if (!vmods[0].atom)
|
||
for (i = 0; vmods[i].name; i++)
|
||
vmods[i].atom = XInternAtom (display, vmods[i].name, FALSE);
|
||
|
||
for (i = 0; i < 8; i++)
|
||
keymap_x11->modmap[i] = 1 << i;
|
||
|
||
for (i = 0; i < XkbNumVirtualMods; i++)
|
||
{
|
||
for (j = 0; vmods[j].atom; j++)
|
||
{
|
||
if (keymap_x11->xkb_desc->names->vmods[i] == vmods[j].atom)
|
||
{
|
||
for (k = 0; k < 8; k++)
|
||
{
|
||
if (keymap_x11->xkb_desc->server->vmods[i] & (1 << k))
|
||
keymap_x11->modmap[k] |= vmods[j].mask;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
static XkbDescPtr
|
||
get_xkb (GdkX11Keymap *keymap_x11)
|
||
{
|
||
GdkX11Display *display_x11 = GDK_X11_DISPLAY (GDK_KEYMAP (keymap_x11)->display);
|
||
Display *xdisplay = display_x11->xdisplay;
|
||
|
||
update_keyrange (keymap_x11);
|
||
|
||
if (keymap_x11->xkb_desc == NULL)
|
||
{
|
||
keymap_x11->xkb_desc = XkbGetMap (xdisplay, XkbKeySymsMask | XkbKeyTypesMask | XkbModifierMapMask | XkbVirtualModsMask, XkbUseCoreKbd);
|
||
if (keymap_x11->xkb_desc == NULL)
|
||
{
|
||
g_error ("Failed to get keymap");
|
||
return NULL;
|
||
}
|
||
|
||
XkbGetNames (xdisplay, XkbGroupNamesMask | XkbVirtualModNamesMask, keymap_x11->xkb_desc);
|
||
|
||
update_modmap (xdisplay, keymap_x11);
|
||
}
|
||
else if (keymap_x11->current_serial != display_x11->keymap_serial)
|
||
{
|
||
XkbGetUpdatedMap (xdisplay, XkbKeySymsMask | XkbKeyTypesMask | XkbModifierMapMask | XkbVirtualModsMask,
|
||
keymap_x11->xkb_desc);
|
||
XkbGetNames (xdisplay, XkbGroupNamesMask | XkbVirtualModNamesMask, keymap_x11->xkb_desc);
|
||
|
||
update_modmap (xdisplay, keymap_x11);
|
||
}
|
||
|
||
keymap_x11->current_serial = display_x11->keymap_serial;
|
||
|
||
if (keymap_x11->num_lock_mask == 0)
|
||
keymap_x11->num_lock_mask = XkbKeysymToModifiers (KEYMAP_XDISPLAY (GDK_KEYMAP (keymap_x11)), GDK_KEY_Num_Lock);
|
||
|
||
if (keymap_x11->scroll_lock_mask == 0)
|
||
keymap_x11->scroll_lock_mask = XkbKeysymToModifiers (KEYMAP_XDISPLAY (GDK_KEYMAP (keymap_x11)), GDK_KEY_Scroll_Lock);
|
||
|
||
|
||
return keymap_x11->xkb_desc;
|
||
}
|
||
#endif /* HAVE_XKB */
|
||
|
||
/* Whether we were able to turn on detectable-autorepeat using
|
||
* XkbSetDetectableAutorepeat. If FALSE, we’ll fall back
|
||
* to checking the next event with XPending().
|
||
*/
|
||
|
||
/* Find the index of the group/level pair within the keysyms for a key.
|
||
* We round up the number of keysyms per keycode to the next even number,
|
||
* otherwise we lose a whole group of keys
|
||
*/
|
||
#define KEYSYM_INDEX(keymap_impl, group, level) \
|
||
(2 * ((group) % (gint)((keymap_impl->keysyms_per_keycode + 1) / 2)) + (level))
|
||
#define KEYSYM_IS_KEYPAD(s) (((s) >= 0xff80 && (s) <= 0xffbd) || \
|
||
((s) >= 0x11000000 && (s) <= 0x1100ffff))
|
||
|
||
static gint
|
||
get_symbol (const KeySym *syms,
|
||
GdkX11Keymap *keymap_x11,
|
||
gint group,
|
||
gint level)
|
||
{
|
||
gint index;
|
||
|
||
index = KEYSYM_INDEX(keymap_x11, group, level);
|
||
if (index >= keymap_x11->keysyms_per_keycode)
|
||
return NoSymbol;
|
||
|
||
return syms[index];
|
||
}
|
||
|
||
static void
|
||
set_symbol (KeySym *syms,
|
||
GdkX11Keymap *keymap_x11,
|
||
gint group,
|
||
gint level,
|
||
KeySym sym)
|
||
{
|
||
gint index;
|
||
|
||
index = KEYSYM_INDEX(keymap_x11, group, level);
|
||
if (index >= keymap_x11->keysyms_per_keycode)
|
||
return;
|
||
|
||
syms[index] = sym;
|
||
}
|
||
|
||
static void
|
||
update_keymaps (GdkX11Keymap *keymap_x11)
|
||
{
|
||
GdkX11Display *display_x11 = GDK_X11_DISPLAY (GDK_KEYMAP (keymap_x11)->display);
|
||
Display *xdisplay = display_x11->xdisplay;
|
||
|
||
#ifdef HAVE_XKB
|
||
g_assert (!KEYMAP_USE_XKB (GDK_KEYMAP (keymap_x11)));
|
||
#endif
|
||
|
||
if (keymap_x11->keymap == NULL ||
|
||
keymap_x11->current_serial != display_x11->keymap_serial)
|
||
{
|
||
gint i;
|
||
gint map_size;
|
||
gint keycode;
|
||
|
||
keymap_x11->current_serial = display_x11->keymap_serial;
|
||
|
||
update_keyrange (keymap_x11);
|
||
|
||
if (keymap_x11->keymap)
|
||
XFree (keymap_x11->keymap);
|
||
|
||
if (keymap_x11->mod_keymap)
|
||
XFreeModifiermap (keymap_x11->mod_keymap);
|
||
|
||
keymap_x11->keymap = XGetKeyboardMapping (xdisplay, keymap_x11->min_keycode,
|
||
keymap_x11->max_keycode - keymap_x11->min_keycode + 1,
|
||
&keymap_x11->keysyms_per_keycode);
|
||
|
||
|
||
/* GDK_KEY_ISO_Left_Tab, as usually configured through XKB, really messes
|
||
* up the whole idea of "consumed modifiers" because shift is consumed.
|
||
* However, <shift>Tab is not usually GDK_KEY_ISO_Left_Tab without XKB,
|
||
* we we fudge the map here.
|
||
*/
|
||
keycode = keymap_x11->min_keycode;
|
||
while (keycode <= keymap_x11->max_keycode)
|
||
{
|
||
KeySym *syms = keymap_x11->keymap + (keycode - keymap_x11->min_keycode) * keymap_x11->keysyms_per_keycode;
|
||
/* Check both groups */
|
||
for (i = 0 ; i < 2 ; i++)
|
||
{
|
||
if (get_symbol (syms, keymap_x11, i, 0) == GDK_KEY_Tab)
|
||
set_symbol (syms, keymap_x11, i, 1, GDK_KEY_ISO_Left_Tab);
|
||
}
|
||
|
||
/*
|
||
* If there is one keysym and the key symbol has upper and lower
|
||
* case variants fudge the keymap
|
||
*/
|
||
if (get_symbol (syms, keymap_x11, 0, 1) == 0)
|
||
{
|
||
guint lower;
|
||
guint upper;
|
||
|
||
gdk_keyval_convert_case (get_symbol (syms, keymap_x11, 0, 0), &lower, &upper);
|
||
if (lower != upper)
|
||
{
|
||
set_symbol (syms, keymap_x11, 0, 0, lower);
|
||
set_symbol (syms, keymap_x11, 0, 1, upper);
|
||
}
|
||
}
|
||
|
||
++keycode;
|
||
}
|
||
|
||
keymap_x11->mod_keymap = XGetModifierMapping (xdisplay);
|
||
|
||
keymap_x11->lock_keysym = GDK_KEY_VoidSymbol;
|
||
keymap_x11->group_switch_mask = 0;
|
||
keymap_x11->num_lock_mask = 0;
|
||
keymap_x11->scroll_lock_mask = 0;
|
||
|
||
for (i = 0; i < 8; i++)
|
||
keymap_x11->modmap[i] = 1 << i;
|
||
|
||
/* There are 8 sets of modifiers, with each set containing
|
||
* max_keypermod keycodes.
|
||
*/
|
||
map_size = 8 * keymap_x11->mod_keymap->max_keypermod;
|
||
for (i = 0; i < map_size; i++)
|
||
{
|
||
/* Get the key code at this point in the map. */
|
||
gint code = keymap_x11->mod_keymap->modifiermap[i];
|
||
gint j;
|
||
KeySym *syms;
|
||
guint mask;
|
||
|
||
/* Ignore invalid keycodes. */
|
||
if (code < keymap_x11->min_keycode ||
|
||
code > keymap_x11->max_keycode)
|
||
continue;
|
||
|
||
syms = keymap_x11->keymap + (code - keymap_x11->min_keycode) * keymap_x11->keysyms_per_keycode;
|
||
|
||
mask = 0;
|
||
for (j = 0; j < keymap_x11->keysyms_per_keycode; j++)
|
||
{
|
||
if (syms[j] == GDK_KEY_Meta_L ||
|
||
syms[j] == GDK_KEY_Meta_R)
|
||
mask |= GDK_META_MASK;
|
||
else if (syms[j] == GDK_KEY_Hyper_L ||
|
||
syms[j] == GDK_KEY_Hyper_R)
|
||
mask |= GDK_HYPER_MASK;
|
||
else if (syms[j] == GDK_KEY_Super_L ||
|
||
syms[j] == GDK_KEY_Super_R)
|
||
mask |= GDK_SUPER_MASK;
|
||
}
|
||
|
||
keymap_x11->modmap[i / keymap_x11->mod_keymap->max_keypermod] |= mask;
|
||
|
||
/* The fourth modifier, GDK_MOD1_MASK is 1 << 3.
|
||
* Each group of max_keypermod entries refers to the same modifier.
|
||
*/
|
||
mask = 1 << (i / keymap_x11->mod_keymap->max_keypermod);
|
||
|
||
switch (mask)
|
||
{
|
||
case GDK_LOCK_MASK:
|
||
/* Get the Lock keysym. If any keysym bound to the Lock modifier
|
||
* is Caps_Lock, we will interpret the modifier as Caps_Lock;
|
||
* otherwise, if any is bound to Shift_Lock, we will interpret
|
||
* the modifier as Shift_Lock. Otherwise, the lock modifier
|
||
* has no effect.
|
||
*/
|
||
for (j = 0; j < keymap_x11->keysyms_per_keycode; j++)
|
||
{
|
||
if (syms[j] == GDK_KEY_Caps_Lock)
|
||
keymap_x11->lock_keysym = GDK_KEY_Caps_Lock;
|
||
else if (syms[j] == GDK_KEY_Shift_Lock &&
|
||
keymap_x11->lock_keysym == GDK_KEY_VoidSymbol)
|
||
keymap_x11->lock_keysym = GDK_KEY_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, Num_Lock and Scroll_Lock modifiers. */
|
||
for (j = 0; j < keymap_x11->keysyms_per_keycode; j++)
|
||
{
|
||
if (syms[j] == GDK_KEY_Mode_switch)
|
||
{
|
||
/* This modifier swaps groups */
|
||
keymap_x11->group_switch_mask |= mask;
|
||
}
|
||
else if (syms[j] == GDK_KEY_Num_Lock)
|
||
{
|
||
/* This modifier is used for Num_Lock */
|
||
keymap_x11->num_lock_mask |= mask;
|
||
}
|
||
else if (syms[j] == GDK_KEY_Scroll_Lock)
|
||
{
|
||
/* This modifier is used for Scroll_Lock */
|
||
keymap_x11->scroll_lock_mask |= mask;
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
static const KeySym*
|
||
get_keymap (GdkX11Keymap *keymap_x11)
|
||
{
|
||
update_keymaps (keymap_x11);
|
||
|
||
return keymap_x11->keymap;
|
||
}
|
||
|
||
#ifdef 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 = gdk_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 (GdkX11Keymap *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 (GdkX11Keymap *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 (GdkX11Keymap *keymap_x11,
|
||
gint locked_mods,
|
||
gint effective_mods)
|
||
{
|
||
XkbDescPtr xkb G_GNUC_UNUSED;
|
||
gboolean have_lock_state;
|
||
gboolean caps_lock_state;
|
||
gboolean num_lock_state;
|
||
gboolean scroll_lock_state;
|
||
guint modifier_state;
|
||
|
||
/* ensure keymap_x11->num_lock_mask is initialized */
|
||
xkb = get_xkb (keymap_x11);
|
||
|
||
have_lock_state = keymap_x11->have_lock_state;
|
||
caps_lock_state = keymap_x11->caps_lock_state;
|
||
num_lock_state = keymap_x11->num_lock_state;
|
||
scroll_lock_state = keymap_x11->scroll_lock_state;
|
||
modifier_state = keymap_x11->modifier_state;
|
||
|
||
keymap_x11->have_lock_state = TRUE;
|
||
keymap_x11->caps_lock_state = (locked_mods & GDK_LOCK_MASK) != 0;
|
||
keymap_x11->num_lock_state = (locked_mods & keymap_x11->num_lock_mask) != 0;
|
||
keymap_x11->scroll_lock_state = (locked_mods & keymap_x11->scroll_lock_mask) != 0;
|
||
/* FIXME: sanitize this */
|
||
keymap_x11->modifier_state = (guint)effective_mods;
|
||
|
||
return !have_lock_state
|
||
|| (caps_lock_state != keymap_x11->caps_lock_state)
|
||
|| (num_lock_state != keymap_x11->num_lock_state)
|
||
|| (scroll_lock_state != keymap_x11->scroll_lock_state)
|
||
|| (modifier_state != keymap_x11->modifier_state);
|
||
}
|
||
|
||
/* keep this in sync with the XkbSelectEventDetails()
|
||
* call in gdk_display_open()
|
||
*/
|
||
void
|
||
_gdk_x11_keymap_state_changed (GdkDisplay *display,
|
||
XEvent *xevent)
|
||
{
|
||
GdkX11Display *display_x11 = GDK_X11_DISPLAY (display);
|
||
XkbEvent *xkb_event = (XkbEvent *)xevent;
|
||
|
||
if (display_x11->keymap)
|
||
{
|
||
GdkX11Keymap *keymap_x11 = GDK_X11_KEYMAP (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,
|
||
xkb_event->state.mods))
|
||
g_signal_emit_by_name (keymap_x11, "state-changed");
|
||
}
|
||
}
|
||
|
||
#endif /* HAVE_XKB */
|
||
|
||
static void
|
||
ensure_lock_state (GdkKeymap *keymap)
|
||
{
|
||
#ifdef HAVE_XKB
|
||
if (KEYMAP_USE_XKB (keymap))
|
||
{
|
||
GdkX11Keymap *keymap_x11 = GDK_X11_KEYMAP (keymap);
|
||
|
||
if (!keymap_x11->have_lock_state)
|
||
{
|
||
GdkDisplay *display = keymap->display;
|
||
XkbStateRec state_rec;
|
||
|
||
XkbGetState (GDK_DISPLAY_XDISPLAY (display), XkbUseCoreKbd, &state_rec);
|
||
update_lock_state (keymap_x11, state_rec.locked_mods, state_rec.mods);
|
||
}
|
||
}
|
||
#endif /* HAVE_XKB */
|
||
}
|
||
|
||
void
|
||
_gdk_x11_keymap_keys_changed (GdkDisplay *display)
|
||
{
|
||
GdkX11Display *display_x11 = GDK_X11_DISPLAY (display);
|
||
|
||
++display_x11->keymap_serial;
|
||
|
||
if (display_x11->keymap)
|
||
g_signal_emit_by_name (display_x11->keymap, "keys_changed", 0);
|
||
}
|
||
|
||
static PangoDirection
|
||
gdk_x11_keymap_get_direction (GdkKeymap *keymap)
|
||
{
|
||
#ifdef HAVE_XKB
|
||
if (KEYMAP_USE_XKB (keymap))
|
||
{
|
||
GdkX11Keymap *keymap_x11 = GDK_X11_KEYMAP (keymap);
|
||
|
||
if (!keymap_x11->have_direction)
|
||
{
|
||
GdkDisplay *display = keymap->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;
|
||
}
|
||
|
||
static gboolean
|
||
gdk_x11_keymap_have_bidi_layouts (GdkKeymap *keymap)
|
||
{
|
||
#ifdef HAVE_XKB
|
||
if (KEYMAP_USE_XKB (keymap))
|
||
{
|
||
GdkX11Keymap *keymap_x11 = GDK_X11_KEYMAP (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;
|
||
}
|
||
|
||
static gboolean
|
||
gdk_x11_keymap_get_caps_lock_state (GdkKeymap *keymap)
|
||
{
|
||
GdkX11Keymap *keymap_x11 = GDK_X11_KEYMAP (keymap);
|
||
|
||
ensure_lock_state (keymap);
|
||
|
||
return keymap_x11->caps_lock_state;
|
||
}
|
||
|
||
static gboolean
|
||
gdk_x11_keymap_get_num_lock_state (GdkKeymap *keymap)
|
||
{
|
||
GdkX11Keymap *keymap_x11 = GDK_X11_KEYMAP (keymap);
|
||
|
||
ensure_lock_state (keymap);
|
||
|
||
return keymap_x11->num_lock_state;
|
||
}
|
||
|
||
static gboolean
|
||
gdk_x11_keymap_get_scroll_lock_state (GdkKeymap *keymap)
|
||
{
|
||
GdkX11Keymap *keymap_x11 = GDK_X11_KEYMAP (keymap);
|
||
|
||
ensure_lock_state (keymap);
|
||
|
||
return keymap_x11->scroll_lock_state;
|
||
}
|
||
|
||
static guint
|
||
gdk_x11_keymap_get_modifier_state (GdkKeymap *keymap)
|
||
{
|
||
GdkX11Keymap *keymap_x11 = GDK_X11_KEYMAP (keymap);
|
||
|
||
ensure_lock_state (keymap);
|
||
|
||
return keymap_x11->modifier_state;
|
||
}
|
||
|
||
static gboolean
|
||
gdk_x11_keymap_get_entries_for_keyval (GdkKeymap *keymap,
|
||
guint keyval,
|
||
GdkKeymapKey **keys,
|
||
gint *n_keys)
|
||
{
|
||
GdkX11Keymap *keymap_x11 = GDK_X11_KEYMAP (keymap);
|
||
GArray *retval;
|
||
|
||
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;
|
||
}
|
||
|
||
static gboolean
|
||
gdk_x11_keymap_get_entries_for_keycode (GdkKeymap *keymap,
|
||
guint hardware_keycode,
|
||
GdkKeymapKey **keys,
|
||
guint **keyvals,
|
||
gint *n_entries)
|
||
{
|
||
GdkX11Keymap *keymap_x11 = GDK_X11_KEYMAP (keymap);
|
||
GArray *key_array;
|
||
GArray *keyval_array;
|
||
|
||
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;
|
||
}
|
||
|
||
static guint
|
||
gdk_x11_keymap_lookup_key (GdkKeymap *keymap,
|
||
const GdkKeymapKey *key)
|
||
{
|
||
GdkX11Keymap *keymap_x11 = GDK_X11_KEYMAP (keymap);
|
||
|
||
g_return_val_if_fail (key->group < 4, 0);
|
||
|
||
#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;
|
||
int found_col = 0;
|
||
|
||
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;
|
||
}
|
||
}
|
||
found_col = 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 (!entry->active || syms[col+entry->level] == syms[col])
|
||
continue;
|
||
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 not if they don't change
|
||
* the symbol (otherwise we can't discriminate Shift-F10
|
||
* and F10 anymore). And don't add modifiers that are
|
||
* explicitly marked as preserved, either.
|
||
*/
|
||
if (bits == 1 ||
|
||
(mods&type->mods.mask) == entry->mods.mask)
|
||
{
|
||
if (type->preserve)
|
||
*mods_rtrn |= (entry->mods.mask & ~type->preserve[i].mask);
|
||
else
|
||
*mods_rtrn |= entry->mods.mask;
|
||
}
|
||
}
|
||
|
||
if (!found && ((mods&type->mods.mask) == entry->mods.mask)) {
|
||
found_col= 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[found_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[found_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 (GdkX11Keymap *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;
|
||
|
||
shift_modifiers = GDK_SHIFT_MASK;
|
||
if (keymap_x11->lock_keysym == GDK_KEY_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;
|
||
|
||
if ((state & keymap_x11->num_lock_mask) &&
|
||
KEYSYM_IS_KEYPAD (SYM (keymap_x11, group, 1)))
|
||
{
|
||
/* Shift, Shift_Lock cancel Num_Lock
|
||
*/
|
||
shift_level = (state & shift_modifiers) ? 0 : 1;
|
||
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_KEY_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
|
||
}
|
||
|
||
static gboolean
|
||
gdk_x11_keymap_translate_keyboard_state (GdkKeymap *keymap,
|
||
guint hardware_keycode,
|
||
GdkModifierType state,
|
||
gint group,
|
||
guint *keyval,
|
||
gint *effective_group,
|
||
gint *level,
|
||
GdkModifierType *consumed_modifiers)
|
||
{
|
||
GdkX11Keymap *keymap_x11 = GDK_X11_KEYMAP (keymap);
|
||
KeySym tmp_keyval = NoSymbol;
|
||
guint tmp_modifiers;
|
||
|
||
g_return_val_if_fail (group < 4, FALSE);
|
||
|
||
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;
|
||
}
|
||
|
||
/**
|
||
* gdk_x11_keymap_get_group_for_state:
|
||
* @keymap: (type GdkX11Keymap): a #GdkX11Keymap
|
||
* @state: raw state returned from X
|
||
*
|
||
* Extracts the group from the state field sent in an X Key event.
|
||
* This is only needed for code processing raw X events, since #GdkEventKey
|
||
* directly includes an is_modifier field.
|
||
*
|
||
* Returns: the index of the active keyboard group for the event
|
||
*
|
||
* Since: 3.6
|
||
*/
|
||
gint
|
||
gdk_x11_keymap_get_group_for_state (GdkKeymap *keymap,
|
||
guint state)
|
||
{
|
||
GdkDisplay *display;
|
||
GdkX11Display *display_x11;
|
||
|
||
g_return_val_if_fail (GDK_IS_X11_KEYMAP (keymap), 0);
|
||
|
||
display = keymap->display;
|
||
display_x11 = GDK_X11_DISPLAY (display);
|
||
|
||
#ifdef HAVE_XKB
|
||
if (display_x11->use_xkb)
|
||
{
|
||
return XkbGroupForCoreState (state);
|
||
}
|
||
else
|
||
#endif
|
||
{
|
||
GdkX11Keymap *keymap_impl = GDK_X11_KEYMAP (gdk_keymap_get_for_display (display));
|
||
update_keymaps (keymap_impl);
|
||
return (state & keymap_impl->group_switch_mask) ? 1 : 0;
|
||
}
|
||
}
|
||
|
||
void
|
||
_gdk_x11_keymap_add_virt_mods (GdkKeymap *keymap,
|
||
GdkModifierType *modifiers)
|
||
{
|
||
GdkX11Keymap *keymap_x11 = GDK_X11_KEYMAP (keymap);
|
||
int i;
|
||
|
||
/* See comment in add_virtual_modifiers() */
|
||
for (i = 4; i < 8; i++)
|
||
{
|
||
if ((1 << i) & *modifiers)
|
||
{
|
||
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;
|
||
}
|
||
}
|
||
}
|
||
|
||
static void
|
||
gdk_x11_keymap_add_virtual_modifiers (GdkKeymap *keymap,
|
||
GdkModifierType *state)
|
||
{
|
||
GdkX11Keymap *keymap_x11 = GDK_X11_KEYMAP (keymap);
|
||
int i;
|
||
|
||
/* This loop used to start at 3, which included MOD1 in the
|
||
* virtual mapping. However, all of GTK+ treats MOD1 as a
|
||
* synonym for Alt, and does not expect it to be mapped around,
|
||
* therefore it's more sane to simply treat MOD1 like SHIFT and
|
||
* CONTROL, which are not mappable either.
|
||
*/
|
||
for (i = 4; i < 8; i++)
|
||
{
|
||
if ((1 << i) & *state)
|
||
{
|
||
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;
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* gdk_x11_keymap_key_is_modifier:
|
||
* @keymap: (type GdkX11Keymap): a #GdkX11Keymap
|
||
* @keycode: the hardware keycode from a key event
|
||
*
|
||
* Determines whether a particular key code represents a key that
|
||
* is a modifier. That is, it’s a key that normally just affects
|
||
* the keyboard state and the behavior of other keys rather than
|
||
* producing a direct effect itself. This is only needed for code
|
||
* processing raw X events, since #GdkEventKey directly includes
|
||
* an is_modifier field.
|
||
*
|
||
* Returns: %TRUE if the hardware keycode is a modifier key
|
||
*
|
||
* Since: 3.6
|
||
*/
|
||
gboolean
|
||
gdk_x11_keymap_key_is_modifier (GdkKeymap *keymap,
|
||
guint keycode)
|
||
{
|
||
GdkX11Keymap *keymap_x11 = GDK_X11_KEYMAP (keymap);
|
||
gint i;
|
||
|
||
g_return_val_if_fail (GDK_IS_X11_KEYMAP (keymap), FALSE);
|
||
|
||
update_keyrange (keymap_x11);
|
||
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;
|
||
}
|
||
|
||
static gboolean
|
||
gdk_x11_keymap_map_virtual_modifiers (GdkKeymap *keymap,
|
||
GdkModifierType *state)
|
||
{
|
||
GdkX11Keymap *keymap_x11 = GDK_X11_KEYMAP (keymap);
|
||
const guint vmods[] = { GDK_SUPER_MASK, GDK_HYPER_MASK, GDK_META_MASK };
|
||
int i, j;
|
||
gboolean retval;
|
||
|
||
#ifdef HAVE_XKB
|
||
if (KEYMAP_USE_XKB (keymap))
|
||
get_xkb (keymap_x11);
|
||
#endif
|
||
|
||
retval = TRUE;
|
||
|
||
for (j = 0; j < 3; j++)
|
||
{
|
||
if (*state & vmods[j])
|
||
{
|
||
/* See comment in add_virtual_modifiers() */
|
||
for (i = 4; i < 8; i++)
|
||
{
|
||
if (keymap_x11->modmap[i] & vmods[j])
|
||
{
|
||
if (*state & (1 << i))
|
||
retval = FALSE;
|
||
else
|
||
*state |= 1 << i;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
return retval;
|
||
}
|
||
|
||
static GdkModifierType
|
||
gdk_x11_keymap_get_modifier_mask (GdkKeymap *keymap,
|
||
GdkModifierIntent intent)
|
||
{
|
||
GdkX11Keymap *keymap_x11 = GDK_X11_KEYMAP (keymap);
|
||
|
||
switch (intent)
|
||
{
|
||
case GDK_MODIFIER_INTENT_SHIFT_GROUP:
|
||
return keymap_x11->group_switch_mask;
|
||
|
||
default:
|
||
return GDK_KEYMAP_CLASS (gdk_x11_keymap_parent_class)->get_modifier_mask (keymap,
|
||
intent);
|
||
}
|
||
}
|
||
|
||
static void
|
||
gdk_x11_keymap_class_init (GdkX11KeymapClass *klass)
|
||
{
|
||
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
||
GdkKeymapClass *keymap_class = GDK_KEYMAP_CLASS (klass);
|
||
|
||
object_class->finalize = gdk_x11_keymap_finalize;
|
||
|
||
keymap_class->get_direction = gdk_x11_keymap_get_direction;
|
||
keymap_class->have_bidi_layouts = gdk_x11_keymap_have_bidi_layouts;
|
||
keymap_class->get_caps_lock_state = gdk_x11_keymap_get_caps_lock_state;
|
||
keymap_class->get_num_lock_state = gdk_x11_keymap_get_num_lock_state;
|
||
keymap_class->get_scroll_lock_state = gdk_x11_keymap_get_scroll_lock_state;
|
||
keymap_class->get_modifier_state = gdk_x11_keymap_get_modifier_state;
|
||
keymap_class->get_entries_for_keyval = gdk_x11_keymap_get_entries_for_keyval;
|
||
keymap_class->get_entries_for_keycode = gdk_x11_keymap_get_entries_for_keycode;
|
||
keymap_class->lookup_key = gdk_x11_keymap_lookup_key;
|
||
keymap_class->translate_keyboard_state = gdk_x11_keymap_translate_keyboard_state;
|
||
keymap_class->add_virtual_modifiers = gdk_x11_keymap_add_virtual_modifiers;
|
||
keymap_class->map_virtual_modifiers = gdk_x11_keymap_map_virtual_modifiers;
|
||
keymap_class->get_modifier_mask = gdk_x11_keymap_get_modifier_mask;
|
||
}
|