frontend: allow loading states from specified file
[pcsx_rearmed.git] / frontend / xkb.c
CommitLineData
447783f8 1/*
2 * Copyright (c) 2009, Wei Mingzhi <whistler@openoffice.org>.
3 * All Rights Reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, see <http://www.gnu.org/licenses>.
17 */
18
19#include <stdio.h>
20#include <stdlib.h>
21#include <stdint.h>
22#include <X11/Xlib.h>
23#include <X11/Xutil.h>
24#include <X11/keysym.h>
25#include <X11/XKBlib.h>
26
27#include "main.h"
28#include "plugin_lib.h"
29
30static const struct {
31 uint16_t xkey, psxkey;
32} keymap[] = {
33 { XK_Left, DKEY_LEFT },
34 { XK_Right, DKEY_RIGHT },
35 { XK_Up, DKEY_UP },
36 { XK_Down, DKEY_DOWN },
37 { XK_z, DKEY_CROSS },
38 { XK_s, DKEY_SQUARE },
39 { XK_x, DKEY_CIRCLE },
40 { XK_d, DKEY_TRIANGLE },
41 { XK_w, DKEY_L1 },
42 { XK_r, DKEY_R1 },
43 { XK_e, DKEY_L2 },
44 { XK_t, DKEY_R2 },
45 { XK_c, DKEY_SELECT },
46 { XK_v, DKEY_START },
47};
48
49static Atom wmprotocols, wmdelwindow;
50static int initialized;
51
52static void InitKeyboard(void) {
53 Display *disp = (Display *)gpuDisp;
54 if (disp == NULL) {
55 fprintf(stderr, "xkb: null display\n");
56 exit(1);
57 }
58
59 wmprotocols = XInternAtom(disp, "WM_PROTOCOLS", 0);
60 wmdelwindow = XInternAtom(disp, "WM_DELETE_WINDOW", 0);
61
62 XkbSetDetectableAutoRepeat(disp, 1, NULL);
63}
64
65static void DestroyKeyboard(void) {
66 Display *disp = (Display *)gpuDisp;
67 if (disp)
68 XkbSetDetectableAutoRepeat(disp, 0, NULL);
69}
70
1bd9ee68 71int x11_update_keys(void) {
447783f8 72 uint8_t i;
73 XEvent evt;
74 XClientMessageEvent *xce;
75 uint16_t Key;
1bd9ee68 76 static int keystate_x11;
447783f8 77 int psxkey, leave = 0;
78 Display *disp = (Display *)gpuDisp;
79
1bd9ee68 80 if (!disp)
81 return 0;
82
83 if (!initialized) {
447783f8 84 initialized++;
85 InitKeyboard();
86 }
87
447783f8 88 while (XPending(disp)) {
89 XNextEvent(disp, &evt);
90 switch (evt.type) {
91 case KeyPress:
92 case KeyRelease:
93 Key = XLookupKeysym((XKeyEvent *)&evt, 0);
94 //printf("%s %x\n", evt.type == KeyPress ? "press" : "rel ", Key);
95 psxkey = -1;
96 for (i = 0; i < ARRAY_SIZE(keymap); i++) {
97 if (keymap[i].xkey == Key) {
98 psxkey = keymap[i].psxkey;
99 break;
100 }
101 }
102
103 if (psxkey >= 0) {
104 if (evt.type == KeyPress)
1bd9ee68 105 keystate_x11 |= 1 << psxkey;
447783f8 106 else
1bd9ee68 107 keystate_x11 &= ~(1 << psxkey);
447783f8 108 }
109 if (evt.type == KeyPress && Key == XK_Escape)
110 leave = 1;
111 break;
112
113 case ClientMessage:
114 xce = (XClientMessageEvent *)&evt;
115 if (xce->message_type == wmprotocols && (Atom)xce->data.l[0] == wmdelwindow)
116 leave = 1;
117 break;
118 }
119 }
120
121 if (leave) {
122 DestroyKeyboard();
123 exit(1);
124 }
1bd9ee68 125
126 return keystate_x11;
447783f8 127}