/* * This file is part of Jehanne. * * Copyright (C) 2015 Giacomo Tesio * * Jehanne 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, version 3 of the License. * * Jehanne 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 Jehanne. If not, see . */ #include #include #include "console.h" enum { Spec = 0xF800, /* Unicode private space */ PF = Spec|0x20, /* num pad function key */ View = Spec|0x00, /* view (shift window up) */ Shift = Spec|0x60, Break = Spec|0x61, Ctrl = Spec|0x62, kbAlt = Spec|0x63, Caps = Spec|0x64, Num = Spec|0x65, Middle = Spec|0x66, Altgr = Spec|0x67, Kmouse = Spec|0x100, No = 0x00, /* peter */ KF = 0xF000, /* function key (begin Unicode private space) */ Home = KF|13, Up = KF|14, Pgup = KF|15, Print = KF|16, Left = KF|17, Right = KF|18, End = KF|24, Down = View, Pgdown = KF|19, Ins = KF|20, Del = 0x7F, Scroll = KF|21, }; typedef struct Keybscan Keybscan; struct Keybscan { int esc1; int esc2; int alt; int altgr; int caps; int ctl; int num; int shift; int collecting; int nk; Rune kc[5]; int buttons; }; static Keybscan kbscan; static Rune kbtab[256] = { [0x00] No, '\x1b', '1', '2', '3', '4', '5', '6', [0x08] '7', '8', '9', '0', '-', '=', '\b', '\t', [0x10] 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', [0x18] 'o', 'p', '[', ']', '\n', Ctrl, 'a', 's', [0x20] 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', [0x28] '\'', '`', Shift, '\\', 'z', 'x', 'c', 'v', [0x30] 'b', 'n', 'm', ',', '.', '/', Shift, '*', [0x38] kbAlt, ' ', Ctrl, KF|1, KF|2, KF|3, KF|4, KF|5, [0x40] KF|6, KF|7, KF|8, KF|9, KF|10, Num, Scroll, '7', [0x48] '8', '9', '-', '4', '5', '6', '+', '1', [0x50] '2', '3', '0', '.', No, No, No, KF|11, [0x58] KF|12, No, No, No, No, No, No, No, [0x60] No, No, No, No, No, No, No, No, [0x68] No, No, No, No, No, No, No, No, [0x70] No, No, No, No, No, No, No, No, [0x78] No, View, No, Up, No, No, No, No, }; static Rune kbtabshift[256] = { [0x00] No, '\x1b', '!', '@', '#', '$', '%', '^', [0x08] '&', '*', '(', ')', '_', '+', '\b', '\t', [0x10] 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', [0x18] 'O', 'P', '{', '}', '\n', Ctrl, 'A', 'S', [0x20] 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', [0x28] '"', '~', Shift, '|', 'Z', 'X', 'C', 'V', [0x30] 'B', 'N', 'M', '<', '>', '?', Shift, '*', [0x38] kbAlt, ' ', Ctrl, KF|1, KF|2, KF|3, KF|4, KF|5, [0x40] KF|6, KF|7, KF|8, KF|9, KF|10, Num, Scroll, '7', [0x48] '8', '9', '-', '4', '5', '6', '+', '1', [0x50] '2', '3', '0', '.', No, No, No, KF|11, [0x58] KF|12, No, No, No, No, No, No, No, [0x60] No, No, No, No, No, No, No, No, [0x68] No, No, No, No, No, No, No, No, [0x70] No, No, No, No, No, No, No, No, [0x78] No, Up, No, Up, No, No, No, No, }; static Rune kbtabesc1[256] = { [0x00] No, No, No, No, No, No, No, No, [0x08] No, No, No, No, No, No, No, No, [0x10] No, No, No, No, No, No, No, No, [0x18] No, No, No, No, '\n', Ctrl, No, No, [0x20] No, No, No, No, No, No, No, No, [0x28] No, No, Shift, No, No, No, No, No, [0x30] No, No, No, No, No, '/', No, Print, [0x38] Altgr, No, No, No, No, No, No, No, [0x40] No, No, No, No, No, No, Break, Home, [0x48] Up, Pgup, No, Left, No, Right, No, End, [0x50] Down, Pgdown, Ins, Del, No, No, No, No, [0x58] No, No, No, No, No, No, No, No, [0x60] No, No, No, No, No, No, No, No, [0x68] No, No, No, No, No, No, No, No, [0x70] No, No, No, No, No, No, No, No, [0x78] No, Up, No, No, No, No, No, No, }; static Rune kbtabaltgr[256] = { [0x00] No, No, No, No, No, No, No, No, [0x08] No, No, No, No, No, No, No, No, [0x10] No, No, No, No, No, No, No, No, [0x18] No, No, No, No, '\n', Ctrl, No, No, [0x20] No, No, No, No, No, No, No, No, [0x28] No, No, Shift, No, No, No, No, No, [0x30] No, No, No, No, No, '/', No, Print, [0x38] Altgr, No, No, No, No, No, No, No, [0x40] No, No, No, No, No, No, Break, Home, [0x48] Up, Pgup, No, Left, No, Right, No, End, [0x50] Down, Pgdown, Ins, Del, No, No, No, No, [0x58] No, No, No, No, No, No, No, No, [0x60] No, No, No, No, No, No, No, No, [0x68] No, No, No, No, No, No, No, No, [0x70] No, No, No, No, No, No, No, No, [0x78] No, Up, No, No, No, No, No, No, }; static Rune kbtabctrl[256] = { [0x00] No, '\x1b', '\x11', '\x12', '\x13', '\x14', '\x15', '\x16', [0x08] '\x17', '\x18', '\x19', '\x10', '\n', '\x1d', '\b', '\t', [0x10] '\x11', '\x17', '\x05', '\x12', '\x14', '\x19', '\x15', '\t', [0x18] '\x0f', '\x10', '\x1b', '\x1d', '\n', Ctrl, '\x01', '\x13', [0x20] '\x04', '\x06', '\x07', '\b', '\n', '\x0b', '\x0c', '\x1b', [0x28] '\x07', No, Shift, '\x1c', '\x1a', '\x18', '\x03', '\x16', [0x30] '\x02', '\x0e', '\n', '\x0c', '\x0e', '\x0f', Shift, '\n', [0x38] kbAlt, No, Ctrl, '\x05', '\x06', '\x07', '\x04', '\x05', [0x40] '\x06', '\x07', '\x0c', '\n', '\x0e', '\x05', '\x06', '\x17', [0x48] '\x18', '\x19', '\n', '\x14', '\x15', '\x16', '\x0b', '\x11', [0x50] '\x12', '\x13', '\x10', '\x0e', No, No, No, '\x0f', [0x58] '\x0c', No, No, No, No, No, No, No, [0x60] No, No, No, No, No, No, No, No, [0x68] No, No, No, No, No, No, No, No, [0x70] No, No, No, No, No, No, No, No, [0x78] No, '\x07', No, '\b', No, No, No, No, }; int keybscan(uint8_t code, uint8_t *out, int len) { Rune c; int keyup; int off; if(len < 16){ debug("keybscan: out buffer too short to be safe\n"); return -1; } //debug("kbscan: code 0x%x out %p len %d\n", code, out, len); c = code; off = 0; if(c == 0xe0){ kbscan.esc1 = 1; return off; } else if(c == 0xe1){ kbscan.esc2 = 2; return off; } keyup = c&0x80; c &= 0x7f; if(c > sizeof kbtab){ c |= keyup; if(c != 0xFF) /* these come fairly often: CAPSLOCK U Y */ debug("unknown key %ux\n", c); return off; } if(kbscan.esc1){ c = kbtabesc1[c]; kbscan.esc1 = 0; } else if(kbscan.esc2){ kbscan.esc2--; return off; } else if(kbscan.shift) c = kbtabshift[c]; else if(kbscan.altgr) c = kbtabaltgr[c]; else if(kbscan.ctl) c = kbtabctrl[c]; else c = kbtab[c]; if(kbscan.caps && c<='z' && c>='a') c += 'A' - 'a'; /* * keyup only important for shifts */ if(keyup){ switch(c){ case kbAlt: kbscan.alt = 0; break; case Shift: kbscan.shift = 0; /*mouseshifted = 0;*/ break; case Ctrl: kbscan.ctl = 0; break; case Altgr: kbscan.altgr = 0; break; case Kmouse|1: case Kmouse|2: case Kmouse|3: case Kmouse|4: case Kmouse|5: kbscan.buttons &= ~(1<<(c-Kmouse-1)); /*if(kbdmouse)kbdmouse(kbscan.buttons);*/ break; } return off; } /* * normal character */ if(!(c & (Spec|KF))){ off += runetochar((char*)out+off, &c); return off; } else { switch(c){ case Caps: kbscan.caps ^= 1; return off; case Num: kbscan.num ^= 1; return off; case Shift: kbscan.shift = 1; /*mouseshifted = 1;*/ return off; case kbAlt: kbscan.alt = 1; /* * VMware and Qemu use Ctl-Alt as the key combination * to make the VM give up keyboard and mouse focus. * This has the unfortunate side effect that when you * come back into focus, Plan 9 thinks you want to type * a compose sequence (you just typed alt). * * As a clumsy hack around this, we look for ctl-alt * and don't treat it as the start of a compose sequence. */ return off; case Ctrl: kbscan.ctl = 1; return off; case Altgr: kbscan.altgr = 1; return off; case Kmouse|1: case Kmouse|2: case Kmouse|3: case Kmouse|4: case Kmouse|5: kbscan.buttons |= 1<<(c-Kmouse-1); /*if(kbdmouse)kbdmouse(kbscan.buttons);*/ return off; } } off += runetochar((char*)out+off, &c); return off; } /* read from src, write to consreads */ void readkeyboard(int src, int consreads) { int32_t pid, i, r, w, scan, produced; static uint8_t ibuf[KeyboardBufferSize]; static uint8_t obuf[ScreenBufferSize]; pid = getpid(); debug("readkeyboard %d: started\n", pid); do { produced = 0; w = 0; r = jehanne_read(src, ibuf, KeyboardBufferSize); debug("readkeyboard %d: jehanne_read(%d) returns %d\n", pid, src, r); for(i = 0; i < r; ++i){ scan = keybscan(ibuf[i], obuf+produced, ScreenBufferSize-produced); if(scan == -1){ debug("readkeyboard %d: keybscan(0x%x) returns -1, interrupt %s\n", pid, ibuf[i], argv0); if(postnote(PNGROUP, getpid(), "keybscan") == -1) debug("readkeyboard %d: postnote(PNGROUP, getpid(), 'keybscan') returns -1, %r\n", pid); exits("keybscan"); } else { produced += scan; } } if(produced){ w = jehanne_write(consreads, obuf, produced); debug("readkeyboard %d: jehanne_write(consreads) returns %d\n", pid, w); } } while(r > 0 && w == produced); debug("readkeyboard %d: shut down (r = %d, w = %d)\n", pid, r, w); sys_close(src); debug("readkeyboard %d: sys_close(%d)\n", pid, src); sys_close(consreads); debug("readkeyboard %d: sys_close(%d)\n", pid, consreads); if(r < 0) exits("read"); if(w < 0) exits("write"); if(w < produced) exits("i/o error"); exits(nil); }