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mpv/input/keycodes.c

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/*
* This file is part of MPlayer.
*
* MPlayer 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.
*
* MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stddef.h>
#include <string.h>
#include <strings.h>
#include "bstr/bstr.h"
#include "common/common.h"
#include "common/msg.h"
#include "keycodes.h"
struct key_name {
int key;
char *name;
};
/// The names of the keys as used in input.conf
/// If you add some new keys, you also need to add them here
static const struct key_name key_names[] = {
{ ' ', "SPACE" },
{ '#', "SHARP" },
{ MP_KEY_ENTER, "ENTER" },
{ MP_KEY_TAB, "TAB" },
{ MP_KEY_BACKSPACE, "BS" },
{ MP_KEY_DELETE, "DEL" },
{ MP_KEY_INSERT, "INS" },
{ MP_KEY_HOME, "HOME" },
{ MP_KEY_END, "END" },
{ MP_KEY_PAGE_UP, "PGUP" },
{ MP_KEY_PAGE_DOWN, "PGDWN" },
{ MP_KEY_ESC, "ESC" },
{ MP_KEY_PRINT, "PRINT" },
{ MP_KEY_RIGHT, "RIGHT" },
{ MP_KEY_LEFT, "LEFT" },
{ MP_KEY_DOWN, "DOWN" },
{ MP_KEY_UP, "UP" },
{ MP_KEY_F+1, "F1" },
{ MP_KEY_F+2, "F2" },
{ MP_KEY_F+3, "F3" },
{ MP_KEY_F+4, "F4" },
{ MP_KEY_F+5, "F5" },
{ MP_KEY_F+6, "F6" },
{ MP_KEY_F+7, "F7" },
{ MP_KEY_F+8, "F8" },
{ MP_KEY_F+9, "F9" },
{ MP_KEY_F+10, "F10" },
{ MP_KEY_F+11, "F11" },
{ MP_KEY_F+12, "F12" },
{ MP_KEY_KP0, "KP0" },
{ MP_KEY_KP1, "KP1" },
{ MP_KEY_KP2, "KP2" },
{ MP_KEY_KP3, "KP3" },
{ MP_KEY_KP4, "KP4" },
{ MP_KEY_KP5, "KP5" },
{ MP_KEY_KP6, "KP6" },
{ MP_KEY_KP7, "KP7" },
{ MP_KEY_KP8, "KP8" },
{ MP_KEY_KP9, "KP9" },
{ MP_KEY_KPDEL, "KP_DEL" },
{ MP_KEY_KPDEC, "KP_DEC" },
{ MP_KEY_KPINS, "KP_INS" },
{ MP_KEY_KPENTER, "KP_ENTER" },
{ MP_MOUSE_BTN0, "MOUSE_BTN0" },
{ MP_MOUSE_BTN1, "MOUSE_BTN1" },
{ MP_MOUSE_BTN2, "MOUSE_BTN2" },
{ MP_MOUSE_BTN3, "MOUSE_BTN3" },
{ MP_MOUSE_BTN4, "MOUSE_BTN4" },
{ MP_MOUSE_BTN5, "MOUSE_BTN5" },
{ MP_MOUSE_BTN6, "MOUSE_BTN6" },
{ MP_MOUSE_BTN7, "MOUSE_BTN7" },
{ MP_MOUSE_BTN8, "MOUSE_BTN8" },
{ MP_MOUSE_BTN9, "MOUSE_BTN9" },
{ MP_MOUSE_BTN10, "MOUSE_BTN10" },
{ MP_MOUSE_BTN11, "MOUSE_BTN11" },
{ MP_MOUSE_BTN12, "MOUSE_BTN12" },
{ MP_MOUSE_BTN13, "MOUSE_BTN13" },
{ MP_MOUSE_BTN14, "MOUSE_BTN14" },
{ MP_MOUSE_BTN15, "MOUSE_BTN15" },
{ MP_MOUSE_BTN16, "MOUSE_BTN16" },
{ MP_MOUSE_BTN17, "MOUSE_BTN17" },
{ MP_MOUSE_BTN18, "MOUSE_BTN18" },
{ MP_MOUSE_BTN19, "MOUSE_BTN19" },
{ MP_MOUSE_BTN0_DBL, "MOUSE_BTN0_DBL" },
{ MP_MOUSE_BTN1_DBL, "MOUSE_BTN1_DBL" },
{ MP_MOUSE_BTN2_DBL, "MOUSE_BTN2_DBL" },
{ MP_MOUSE_BTN3_DBL, "MOUSE_BTN3_DBL" },
{ MP_MOUSE_BTN4_DBL, "MOUSE_BTN4_DBL" },
{ MP_MOUSE_BTN5_DBL, "MOUSE_BTN5_DBL" },
{ MP_MOUSE_BTN6_DBL, "MOUSE_BTN6_DBL" },
{ MP_MOUSE_BTN7_DBL, "MOUSE_BTN7_DBL" },
{ MP_MOUSE_BTN8_DBL, "MOUSE_BTN8_DBL" },
{ MP_MOUSE_BTN9_DBL, "MOUSE_BTN9_DBL" },
{ MP_MOUSE_BTN10_DBL, "MOUSE_BTN10_DBL" },
{ MP_MOUSE_BTN11_DBL, "MOUSE_BTN11_DBL" },
{ MP_MOUSE_BTN12_DBL, "MOUSE_BTN12_DBL" },
{ MP_MOUSE_BTN13_DBL, "MOUSE_BTN13_DBL" },
{ MP_MOUSE_BTN14_DBL, "MOUSE_BTN14_DBL" },
{ MP_MOUSE_BTN15_DBL, "MOUSE_BTN15_DBL" },
{ MP_MOUSE_BTN16_DBL, "MOUSE_BTN16_DBL" },
{ MP_MOUSE_BTN17_DBL, "MOUSE_BTN17_DBL" },
{ MP_MOUSE_BTN18_DBL, "MOUSE_BTN18_DBL" },
{ MP_MOUSE_BTN19_DBL, "MOUSE_BTN19_DBL" },
{ MP_JOY_AXIS1_MINUS, "JOY_UP" },
{ MP_JOY_AXIS1_PLUS, "JOY_DOWN" },
{ MP_JOY_AXIS0_MINUS, "JOY_LEFT" },
{ MP_JOY_AXIS0_PLUS, "JOY_RIGHT" },
{ MP_JOY_AXIS0_PLUS, "JOY_AXIS0_PLUS" },
{ MP_JOY_AXIS0_MINUS, "JOY_AXIS0_MINUS" },
{ MP_JOY_AXIS1_PLUS, "JOY_AXIS1_PLUS" },
{ MP_JOY_AXIS1_MINUS, "JOY_AXIS1_MINUS" },
{ MP_JOY_AXIS2_PLUS, "JOY_AXIS2_PLUS" },
{ MP_JOY_AXIS2_MINUS, "JOY_AXIS2_MINUS" },
{ MP_JOY_AXIS3_PLUS, "JOY_AXIS3_PLUS" },
{ MP_JOY_AXIS3_MINUS, "JOY_AXIS3_MINUS" },
{ MP_JOY_AXIS4_PLUS, "JOY_AXIS4_PLUS" },
{ MP_JOY_AXIS4_MINUS, "JOY_AXIS4_MINUS" },
{ MP_JOY_AXIS5_PLUS, "JOY_AXIS5_PLUS" },
{ MP_JOY_AXIS5_MINUS, "JOY_AXIS5_MINUS" },
{ MP_JOY_AXIS6_PLUS, "JOY_AXIS6_PLUS" },
{ MP_JOY_AXIS6_MINUS, "JOY_AXIS6_MINUS" },
{ MP_JOY_AXIS7_PLUS, "JOY_AXIS7_PLUS" },
{ MP_JOY_AXIS7_MINUS, "JOY_AXIS7_MINUS" },
{ MP_JOY_AXIS8_PLUS, "JOY_AXIS8_PLUS" },
{ MP_JOY_AXIS8_MINUS, "JOY_AXIS8_MINUS" },
{ MP_JOY_AXIS9_PLUS, "JOY_AXIS9_PLUS" },
{ MP_JOY_AXIS9_MINUS, "JOY_AXIS9_MINUS" },
{ MP_JOY_BTN0, "JOY_BTN0" },
{ MP_JOY_BTN1, "JOY_BTN1" },
{ MP_JOY_BTN2, "JOY_BTN2" },
{ MP_JOY_BTN3, "JOY_BTN3" },
{ MP_JOY_BTN4, "JOY_BTN4" },
{ MP_JOY_BTN5, "JOY_BTN5" },
{ MP_JOY_BTN6, "JOY_BTN6" },
{ MP_JOY_BTN7, "JOY_BTN7" },
{ MP_JOY_BTN8, "JOY_BTN8" },
{ MP_JOY_BTN9, "JOY_BTN9" },
{ MP_AR_PLAY, "AR_PLAY" },
{ MP_AR_PLAY_HOLD, "AR_PLAY_HOLD" },
{ MP_AR_CENTER, "AR_CENTER" },
{ MP_AR_CENTER_HOLD, "AR_CENTER_HOLD" },
{ MP_AR_NEXT, "AR_NEXT" },
{ MP_AR_NEXT_HOLD, "AR_NEXT_HOLD" },
{ MP_AR_PREV, "AR_PREV" },
{ MP_AR_PREV_HOLD, "AR_PREV_HOLD" },
{ MP_AR_MENU, "AR_MENU" },
{ MP_AR_MENU_HOLD, "AR_MENU_HOLD" },
{ MP_AR_VUP, "AR_VUP" },
{ MP_AR_VUP_HOLD, "AR_VUP_HOLD" },
{ MP_AR_VDOWN, "AR_VDOWN" },
{ MP_AR_VDOWN_HOLD, "AR_VDOWN_HOLD" },
{ MP_AXIS_UP, "AXIS_UP" },
{ MP_AXIS_DOWN, "AXIS_DOWN" },
{ MP_AXIS_LEFT, "AXIS_LEFT" },
{ MP_AXIS_RIGHT, "AXIS_RIGHT" },
{ MP_KEY_POWER, "POWER" },
{ MP_KEY_MENU, "MENU" },
{ MP_KEY_PLAY, "PLAY" },
{ MP_KEY_PAUSE, "PAUSE" },
{ MP_KEY_PLAYPAUSE, "PLAYPAUSE" },
{ MP_KEY_STOP, "STOP" },
{ MP_KEY_FORWARD, "FORWARD" },
{ MP_KEY_REWIND, "REWIND" },
{ MP_KEY_NEXT, "NEXT" },
{ MP_KEY_PREV, "PREV" },
{ MP_KEY_VOLUME_UP, "VOLUME_UP" },
{ MP_KEY_VOLUME_DOWN, "VOLUME_DOWN" },
{ MP_KEY_MUTE, "MUTE" },
{ MP_KEY_HOMEPAGE, "HOMEPAGE" },
{ MP_KEY_WWW, "WWW" },
{ MP_KEY_MAIL, "MAIL" },
{ MP_KEY_FAVORITES, "FAVORITES" },
{ MP_KEY_SEARCH, "SEARCH" },
{ MP_KEY_SLEEP, "SLEEP" },
// These are kept for backward compatibility
{ MP_KEY_PAUSE, "XF86_PAUSE" },
{ MP_KEY_STOP, "XF86_STOP" },
{ MP_KEY_PREV, "XF86_PREV" },
{ MP_KEY_NEXT, "XF86_NEXT" },
{ MP_KEY_CLOSE_WIN, "CLOSE_WIN" },
{ MP_KEY_MOUSE_MOVE, "MOUSE_MOVE" },
{ MP_KEY_MOUSE_LEAVE, "MOUSE_LEAVE" },
{ 0, NULL }
};
static const struct key_name modifier_names[] = {
{ MP_KEY_MODIFIER_SHIFT, "Shift" },
{ MP_KEY_MODIFIER_CTRL, "Ctrl" },
{ MP_KEY_MODIFIER_ALT, "Alt" },
{ MP_KEY_MODIFIER_META, "Meta" },
{ 0 }
};
int mp_input_get_key_from_name(const char *name)
{
int modifiers = 0;
const char *p;
while ((p = strchr(name, '+'))) {
for (const struct key_name *m = modifier_names; m->name; m++)
if (!bstrcasecmp(bstr0(m->name),
(struct bstr){(char *)name, p - name})) {
modifiers |= m->key;
goto found;
}
if (!strcmp(name, "+"))
return '+' + modifiers;
return -1;
found:
name = p + 1;
}
struct bstr bname = bstr0(name);
struct bstr rest;
int code = bstr_decode_utf8(bname, &rest);
if (code >= 0 && rest.len == 0)
return mp_normalize_keycode(code + modifiers);
if (bstr_startswith0(bname, "0x"))
return mp_normalize_keycode(strtol(name, NULL, 16) + modifiers);
for (int i = 0; key_names[i].name != NULL; i++) {
if (strcasecmp(key_names[i].name, name) == 0)
return mp_normalize_keycode(key_names[i].key + modifiers);
}
return -1;
}
static void mp_input_append_key_name(bstr *buf, int key)
{
for (int i = 0; modifier_names[i].name; i++) {
if (modifier_names[i].key & key) {
bstr_xappend_asprintf(NULL, buf, "%s+", modifier_names[i].name);
key -= modifier_names[i].key;
}
}
for (int i = 0; key_names[i].name != NULL; i++) {
if (key_names[i].key == key) {
bstr_xappend_asprintf(NULL, buf, "%s", key_names[i].name);
return;
}
}
// printable, and valid unicode range
if (key >= 32 && key <= 0x10FFFF) {
mp_append_utf8_bstr(NULL, buf, key);
return;
}
// Print the hex key code
bstr_xappend_asprintf(NULL, buf, "%#-8x", key);
}
char *mp_input_get_key_name(int key)
{
bstr dst = {0};
mp_input_append_key_name(&dst, key);
return dst.start;
}
char *mp_input_get_key_combo_name(const int *keys, int max)
{
bstr dst = {0};
while (max > 0) {
mp_input_append_key_name(&dst, *keys);
if (--max && *++keys)
bstr_xappend(NULL, &dst, bstr0("-"));
else
break;
}
return dst.start;
}
int mp_input_get_keys_from_string(char *name, int max_num_keys,
int *out_num_keys, int *keys)
{
char *end, *ptr;
int n = 0;
ptr = name;
n = 0;
for (end = strchr(ptr, '-'); ptr != NULL; end = strchr(ptr, '-')) {
if (end && end[1] != '\0') {
if (end[1] == '-')
end = &end[1];
end[0] = '\0';
}
keys[n] = mp_input_get_key_from_name(ptr);
if (keys[n] < 0)
return 0;
n++;
if (end && end[1] != '\0' && n < max_num_keys)
ptr = &end[1];
else
break;
}
*out_num_keys = n;
return 1;
}
void mp_print_key_list(struct mp_log *out)
{
mp_info(out, "\n");
for (int i = 0; key_names[i].name != NULL; i++)
mp_info(out, "%s\n", key_names[i].name);
}
int mp_normalize_keycode(int keycode)
{
if (keycode <= 0)
return keycode;
int code = keycode & ~MP_KEY_MODIFIER_MASK;
int mod = keycode & MP_KEY_MODIFIER_MASK;
/* On normal keyboards shift changes the character code of non-special
* keys, so don't count the modifier separately for those. In other words
* we want to have "a" and "A" instead of "a" and "Shift+A"; but a separate
* shift modifier is still kept for special keys like arrow keys. */
if (code >= 32 && code < MP_KEY_BASE) {
/* Still try to support ASCII case-modifications properly. For example,
* we want to change "Shift+a" to "A", not "a". Doing this for unicode
* in general would require huge lookup tables, or a libc with proper
* unicode support, so we don't do that. */
if (code >= 'a' && code <= 'z' && (mod & MP_KEY_MODIFIER_SHIFT))
code &= 0x5F;
mod &= ~MP_KEY_MODIFIER_SHIFT;
}
return code | mod;
}
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