| 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 | |
| 30 | static 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 | |
| 49 | static Atom wmprotocols, wmdelwindow; |
| 50 | static int initialized; |
| 51 | |
| 52 | static 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 | |
| 65 | static void DestroyKeyboard(void) { |
| 66 | Display *disp = (Display *)gpuDisp; |
| 67 | if (disp) |
| 68 | XkbSetDetectableAutoRepeat(disp, 0, NULL); |
| 69 | } |
| 70 | |
| 71 | void x11_update_keys(void) { |
| 72 | uint8_t i; |
| 73 | XEvent evt; |
| 74 | XClientMessageEvent *xce; |
| 75 | uint16_t Key; |
| 76 | int psxkey, leave = 0; |
| 77 | Display *disp = (Display *)gpuDisp; |
| 78 | |
| 79 | if (initialized < 2000) { |
| 80 | initialized++; |
| 81 | InitKeyboard(); |
| 82 | } |
| 83 | |
| 84 | if (!disp) |
| 85 | return; |
| 86 | |
| 87 | while (XPending(disp)) { |
| 88 | XNextEvent(disp, &evt); |
| 89 | switch (evt.type) { |
| 90 | case KeyPress: |
| 91 | case KeyRelease: |
| 92 | Key = XLookupKeysym((XKeyEvent *)&evt, 0); |
| 93 | //printf("%s %x\n", evt.type == KeyPress ? "press" : "rel ", Key); |
| 94 | psxkey = -1; |
| 95 | for (i = 0; i < ARRAY_SIZE(keymap); i++) { |
| 96 | if (keymap[i].xkey == Key) { |
| 97 | psxkey = keymap[i].psxkey; |
| 98 | break; |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | if (psxkey >= 0) { |
| 103 | if (evt.type == KeyPress) |
| 104 | keystate |= 1 << psxkey; |
| 105 | else |
| 106 | keystate &= ~(1 << psxkey); |
| 107 | } |
| 108 | if (evt.type == KeyPress && Key == XK_Escape) |
| 109 | leave = 1; |
| 110 | break; |
| 111 | |
| 112 | case ClientMessage: |
| 113 | xce = (XClientMessageEvent *)&evt; |
| 114 | if (xce->message_type == wmprotocols && (Atom)xce->data.l[0] == wmdelwindow) |
| 115 | leave = 1; |
| 116 | break; |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | if (leave) { |
| 121 | DestroyKeyboard(); |
| 122 | exit(1); |
| 123 | } |
| 124 | } |