awesome/common/xutil.c

140 lines
4.7 KiB
C

/*
* common/xutil.c - X-related useful functions
*
* Copyright © 2007-2009 Julien Danjou <julien@danjou.info>
*
* 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 2 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
/* XCB doesn't provide keysyms definition */
#include <X11/keysym.h>
#include "common/util.h"
#include <xcb/xcb.h>
#include <xcb/xcb_icccm.h>
#include "common/xutil.h"
/** Get the lock masks (shiftlock, numlock, capslock, modeswitch).
* \param connection The X connection.
* \param cookie The cookie of the request.
* \param keysyms Key symbols.
* \param numlockmask Numlock mask.
* \param shiftlockmask Shiftlock mask.
* \param capslockmask Capslock mask.
* \todo Split this.
*/
void
xutil_lock_mask_get(xcb_connection_t *connection,
xcb_get_modifier_mapping_cookie_t cookie,
xcb_key_symbols_t *keysyms,
uint16_t *numlockmask,
uint16_t *shiftlockmask,
uint16_t *capslockmask,
uint16_t *modeswitchmask)
{
xcb_get_modifier_mapping_reply_t *modmap_r;
xcb_keycode_t *modmap, kc;
xcb_keycode_t *numlockcodes = xcb_key_symbols_get_keycode(keysyms, XK_Num_Lock);
xcb_keycode_t *shiftlockcodes = xcb_key_symbols_get_keycode(keysyms, XK_Shift_Lock);
xcb_keycode_t *capslockcodes = xcb_key_symbols_get_keycode(keysyms, XK_Caps_Lock);
xcb_keycode_t *modeswitchcodes = xcb_key_symbols_get_keycode(keysyms, XK_Mode_switch);
modmap_r = xcb_get_modifier_mapping_reply(connection, cookie, NULL);
modmap = xcb_get_modifier_mapping_keycodes(modmap_r);
/* reset */
*numlockmask = *shiftlockmask = *capslockmask = *modeswitchmask = 0;
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 = (1 << i); \
break; \
}
LOOK_FOR(numlockmask, numlockcodes)
LOOK_FOR(shiftlockmask, shiftlockcodes)
LOOK_FOR(capslockmask, capslockcodes)
LOOK_FOR(modeswitchmask, modeswitchcodes)
#undef LOOK_FOR
}
p_delete(&numlockcodes);
p_delete(&shiftlockcodes);
p_delete(&capslockcodes);
p_delete(&modeswitchcodes);
p_delete(&modmap_r);
}
uint16_t
xutil_key_mask_fromstr(const char *keyname)
{
if(a_strcmp(keyname, "Shift") == 0)
return XCB_MOD_MASK_SHIFT;
if(a_strcmp(keyname, "Lock") == 0)
return XCB_MOD_MASK_LOCK;
if(a_strcmp(keyname, "Ctrl") == 0 || a_strcmp(keyname, "Control") == 0)
return XCB_MOD_MASK_CONTROL;
if(a_strcmp(keyname, "Mod1") == 0)
return XCB_MOD_MASK_1;
if(a_strcmp(keyname, "Mod2") == 0)
return XCB_MOD_MASK_2;
if(a_strcmp(keyname, "Mod3") == 0)
return XCB_MOD_MASK_3;
if(a_strcmp(keyname, "Mod4") == 0)
return XCB_MOD_MASK_4;
if(a_strcmp(keyname, "Mod5") == 0)
return XCB_MOD_MASK_5;
if(a_strcmp(keyname, "Any") == 0)
/* this is misnamed but correct */
return XCB_BUTTON_MASK_ANY;
return XCB_NO_SYMBOL;
}
void
xutil_key_mask_tostr(uint16_t mask, const char **name, size_t *len)
{
switch(mask)
{
#define SET_RESULT(res) \
*name = #res; \
*len = sizeof(#res) - 1; \
return;
case XCB_MOD_MASK_SHIFT: SET_RESULT(Shift)
case XCB_MOD_MASK_LOCK: SET_RESULT(Lock)
case XCB_MOD_MASK_CONTROL: SET_RESULT(Control)
case XCB_MOD_MASK_1: SET_RESULT(Mod1)
case XCB_MOD_MASK_2: SET_RESULT(Mod2)
case XCB_MOD_MASK_3: SET_RESULT(Mod3)
case XCB_MOD_MASK_4: SET_RESULT(Mod4)
case XCB_MOD_MASK_5: SET_RESULT(Mod5)
case XCB_BUTTON_MASK_ANY: SET_RESULT(Any)
default: SET_RESULT(Unknown)
#undef SET_RESULT
}
}
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