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/* -*-mode:c;coding:utf-8; c-basic-offset:2;fill-column:70;c-file-style:"gnu"-*-
*
* Copyright (C) 2009 Arnaud "arnau" Fontaine <arnau@mini-dweeb.org>
* Copyright (C) 2008-2009 Julien Danjou <julien@danjou.info>
* Copyright (C) 2008 Pierre Habouzit <madcoder@debian.org>
*
* This program is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see
* <http://www.gnu.org/licenses/>.
*/
/** \file
* \brief Key bindings management
*/
#include <stdlib.h>
#include <string.h>
#include "key.h"
#include "structs.h"
/** Set the keyboard masks from a previously GetModifierMapping
* request sent (from awesome code)
*
* \todo Should it be merged into xcb-util library?
* \param cookie The GetModifierMapping request cookie
*/
void
key_lock_mask_get_reply(xcb_get_modifier_mapping_cookie_t cookie)
{
xcb_get_modifier_mapping_reply_t *modmap_r;
xcb_keycode_t *modmap, kc;
xcb_keycode_t *numlockcodes = xcb_key_symbols_get_keycode(globalconf.keysyms, XK_Num_Lock);
xcb_keycode_t *shiftlockcodes = xcb_key_symbols_get_keycode(globalconf.keysyms, XK_Shift_Lock);
xcb_keycode_t *capslockcodes = xcb_key_symbols_get_keycode(globalconf.keysyms, XK_Caps_Lock);
xcb_keycode_t *modeswitchcodes = xcb_key_symbols_get_keycode(globalconf.keysyms, XK_Mode_switch);
modmap_r = xcb_get_modifier_mapping_reply(globalconf.connection, cookie, NULL);
modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
/* Reset the lock masks */
memset(&globalconf.key_masks, 0, sizeof(globalconf.key_masks));
int i;
for(i = 0; i < 8; i++)
for(int j = 0; j < modmap_r->keycodes_per_modifier; j++)
{
kc = modmap[i * modmap_r->keycodes_per_modifier + j];
#define LOOK_FOR(mask, codes) \
if(mask == 0 && codes) \
for(xcb_keycode_t *ktest = codes; *ktest; ktest++) \
if(*ktest == kc) \
{ \
mask = (uint16_t) (1 << i); \
break; \
}
LOOK_FOR(globalconf.key_masks.numlock, numlockcodes)
LOOK_FOR(globalconf.key_masks.shiftlock, shiftlockcodes)
LOOK_FOR(globalconf.key_masks.capslock, capslockcodes)
LOOK_FOR(globalconf.key_masks.modeswitch, modeswitchcodes)
#undef LOOK_FOR
}
free(numlockcodes);
free(shiftlockcodes);
free(capslockcodes);
free(modeswitchcodes);
free(modmap_r);
}
/** Get the KeySym from a KeyCode according to its state (generally
* provided by a KeyRelease/KeyPress event)
*
* \see xproto for further details
* \param detail The KeyCode
* \param state The current keyboard state
* \return The KeySym associated with the given KeyCode and state
*/
xcb_keysym_t
key_getkeysym(const xcb_keycode_t detail, const uint16_t state)
{
xcb_keysym_t k0, k1;
/* 'col' (third parameter) is used to get the proper KeySym
* according to modifier (XCB doesn't provide an equivalent to
* XLookupString()).
*
* If Mode_Switch is ON we look into second group.
*/
if(state & globalconf.key_masks.modeswitch)
{
k0 = xcb_key_symbols_get_keysym(globalconf.keysyms, detail, 2);
k1 = xcb_key_symbols_get_keysym(globalconf.keysyms, detail, 3);
}
else
{
k0 = xcb_key_symbols_get_keysym(globalconf.keysyms, detail, 0);
k1 = xcb_key_symbols_get_keysym(globalconf.keysyms, detail, 1);
}
/* If the second column does not exists use the first one. */
if(k1 == XCB_NO_SYMBOL)
k1 = k0;
/* The numlock modifier is on and the second KeySym is a keypad
* KeySym */
if((state & globalconf.key_masks.numlock) && xcb_is_keypad_key(k1))
{
/* The Shift modifier is on, or if the Lock modifier is on and
* is interpreted as ShiftLock, use the first KeySym */
if((state & XCB_MOD_MASK_SHIFT) ||
(state & XCB_MOD_MASK_LOCK &&
(state & globalconf.key_masks.shiftlock)))
return k0;
else
return k1;
}
/* The Shift and Lock modifers are both off, use the first KeySym */
else if(!(state & XCB_MOD_MASK_SHIFT) && !(state & XCB_MOD_MASK_LOCK))
return k0;
/* The Shift modifier is off and the Lock modifier is on and is
* interpreted as CapsLock */
else if(!(state & XCB_MOD_MASK_SHIFT) &&
(state & XCB_MOD_MASK_LOCK && (state & globalconf.key_masks.capslock)))
/* The first Keysym is used but if that KeySym is lowercase
* alphabetic, then the corresponding uppercase KeySym is used
* instead */
return k1;
/* The Shift modifier is on, and the Lock modifier is on and is
* interpreted as CapsLock */
else if((state & XCB_MOD_MASK_SHIFT) &&
(state & XCB_MOD_MASK_LOCK && (state & globalconf.key_masks.capslock)))
/* The second Keysym is used but if that KeySym is lowercase
* alphabetic, then the corresponding uppercase KeySym is used
* instead */
return k1;
/* The Shift modifer is on, or the Lock modifier is on and is
* interpreted as ShiftLock, or both */
else if((state & XCB_MOD_MASK_SHIFT) ||
(state & XCB_MOD_MASK_LOCK && (state & globalconf.key_masks.shiftlock)))
return k1;
return XCB_NO_SYMBOL;
}
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