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daemon.c
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daemon.c
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///
/// @file daemon.c @brief ALE one-hand keyboard handler daemon.
///
/// Copyright (c) 2007,2009 by Lutz Sammer. All Rights Reserved.
///
/// Contributor(s):
///
/// This file is part of ALE one-hand keyboard
///
/// 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; only version 2 of the License.
///
/// 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.
///
/// $Id$
////////////////////////////////////////////////////////////////////////////
///
/// @defgroup daemon The aohk daemon module.
///
/// Uses aohk module to filter input devices.
///
/// @see aohkd.1 howto use the keyboard daemon.
///
/// @todo
/// - touchpad driver
/// - passthrough of touchpad driver
/// - usb devices which only support report(s) drivers
/// - builtin bluetooth virtual keyboard emulation
/// @{
#include <linux/input.h>
#include <linux/uinput.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include <errno.h>
#include <syslog.h>
#include <poll.h>
#include "aohk.h"
#include "uinput.h"
////////////////////////////////////////////////////////////////////////////
#define SYSTEM_VENDOR_ID 0x0001 ///< system vendor
#define PS2_KEYBOARD_ID 0x0001 ///< system keyboard
#define BELKIN_VENDOR_ID 0x050D ///< belkin's vendor ID
#define NOSTROMO_N52_ID 0x0815 ///< nostromo n52 USB ID
#define CHERRY_VENDOR_ID 0x046A ///< cherry's vendor ID
#define KEYPAD_ID 0x0014 ///< keypad G84-4700 USB ID
#define FUJSI_VENDOR_ID 0x0BF8 ///< fujitsu siemens vendor ID
#define KEYPAD2_ID 0x1004 ///< keypad USB ID
#define SAITEK_VENDOR_ID 0x06A3 ///< saitek's vendor ID
#define PGCU_ID 0x80C0 ///< pro gamer command unit USB ID
#define APPLE_VENDOR_ID 0x05AC ///< apple vendor ID
#define AWKB_ID 0x0209 ///< wireless keyboard BT ID
#define AAKB_ID 0x021E ///< alu keyboard USB ID
#define AAWKB_ID 0x022D ///< alu Wireless keyboard BT ID
#define LOGITECH_VENDOR_ID 0x046D ///< logitech vendoor ID
#define G13_ID 0xC21C ///< G13 USB keyboard ID
///
/// Mapping from keys to internal key for nostromo N52.
///
/// End marked with KEY_RESERVED
///
static const int N52ConvertTable[] = {
KEY_SPACE, AOHK_KEY_0,
KEY_Z, AOHK_KEY_1,
KEY_X, AOHK_KEY_2,
KEY_C, AOHK_KEY_3,
KEY_A, AOHK_KEY_4,
KEY_S, AOHK_KEY_5,
KEY_D, AOHK_KEY_6,
KEY_Q, AOHK_KEY_7,
KEY_W, AOHK_KEY_8,
KEY_E, AOHK_KEY_9,
KEY_LEFTSHIFT, AOHK_KEY_HASH,
KEY_LEFTALT, AOHK_KEY_STAR,
KEY_TAB, AOHK_KEY_USR_1,
KEY_CAPSLOCK, AOHK_KEY_USR_2,
KEY_R, AOHK_KEY_USR_3,
//KEY_F, AOHK_KEY_USR_4,
//KEY_LEFT, AOHK_KEY_USR_5,
//KEY_UP, AOHK_KEY_USR_6,
//KEY_RIGHT, AOHK_KEY_USR_7,
//KEY_DOWN, AOHK_KEY_USR_8,
KEY_F, AOHK_KEY_SPECIAL,
KEY_RESERVED, KEY_RESERVED
};
///
/// Mapping from keys to internal key for normal keyboard.
/// Typing on the left side of keyboard with left hand.
///
/// End marked with KEY_RESERVED
///
static const int PC102ConvertTable[] = {
KEY_SPACE, AOHK_KEY_0,
KEY_Z, AOHK_KEY_1,
KEY_X, AOHK_KEY_2,
KEY_C, AOHK_KEY_3,
KEY_A, AOHK_KEY_4,
KEY_S, AOHK_KEY_5,
KEY_D, AOHK_KEY_6,
KEY_Q, AOHK_KEY_7,
KEY_W, AOHK_KEY_8,
KEY_E, AOHK_KEY_9,
KEY_LEFTSHIFT, AOHK_KEY_HASH,
KEY_CAPSLOCK, AOHK_KEY_HASH,
KEY_LEFTCTRL, AOHK_KEY_HASH,
KEY_102ND, AOHK_KEY_HASH,
KEY_LEFTALT, AOHK_KEY_STAR,
KEY_LEFTMETA, AOHK_KEY_STAR,
KEY_TAB, AOHK_KEY_USR_1,
KEY_1, AOHK_KEY_USR_2,
KEY_2, AOHK_KEY_USR_3,
KEY_3, AOHK_KEY_USR_4,
KEY_4, AOHK_KEY_USR_5,
KEY_R, AOHK_KEY_USR_6,
KEY_F, AOHK_KEY_USR_7,
KEY_V, AOHK_KEY_USR_8,
KEY_GRAVE, AOHK_KEY_SPECIAL,
KEY_RESERVED, KEY_RESERVED
};
///
/// Mapping from keys to internal key for normal keyboard.
/// Typing with a number/key pad.
///
/// End marked with KEY_RESERVED
///
static const int NumpadConvertTable[] = {
KEY_KPENTER, AOHK_KEY_0,
KEY_KP1, AOHK_KEY_1,
KEY_KP2, AOHK_KEY_2,
KEY_KP3, AOHK_KEY_3,
KEY_KP4, AOHK_KEY_4,
KEY_KP5, AOHK_KEY_5,
KEY_KP6, AOHK_KEY_6,
KEY_KP7, AOHK_KEY_7,
KEY_KP8, AOHK_KEY_8,
KEY_KP9, AOHK_KEY_9,
KEY_KP0, AOHK_KEY_HASH,
KEY_KPDOT, AOHK_KEY_STAR,
KEY_KPCOMMA, AOHK_KEY_STAR,
KEY_KPSLASH, AOHK_KEY_USR_1,
KEY_KPASTERISK, AOHK_KEY_USR_2,
KEY_KPMINUS, AOHK_KEY_USR_3,
KEY_KPPLUS, AOHK_KEY_USR_4,
KEY_ESC, AOHK_KEY_USR_5, // extra keys on cherry keypad
KEY_LEFTCTRL, AOHK_KEY_USR_6,
KEY_LEFTALT, AOHK_KEY_USR_7,
KEY_BACKSPACE, AOHK_KEY_USR_8,
KEY_NUMLOCK, AOHK_KEY_SPECIAL,
KEY_RESERVED, KEY_RESERVED
};
///
/// Mapping from keys to internal key for normal keyboard.
/// Typing with a number/key pad.
///
/// End marked with KEY_RESERVED
///
static const int Numpad2ConvertTable[] = {
KEY_KPENTER, AOHK_KEY_0,
KEY_KP1, AOHK_KEY_1,
KEY_KP2, AOHK_KEY_2,
KEY_KP3, AOHK_KEY_3,
KEY_KP4, AOHK_KEY_4,
KEY_KP5, AOHK_KEY_5,
KEY_KP6, AOHK_KEY_6,
KEY_KP7, AOHK_KEY_7,
KEY_KP8, AOHK_KEY_8,
KEY_KP9, AOHK_KEY_9,
KEY_KP0, AOHK_KEY_HASH,
KEY_KPDOT, AOHK_KEY_STAR,
KEY_KPCOMMA, AOHK_KEY_STAR,
KEY_KPSLASH, AOHK_KEY_USR_1,
KEY_KPASTERISK, AOHK_KEY_USR_2,
KEY_KPMINUS, AOHK_KEY_USR_3,
KEY_KPPLUS, AOHK_KEY_USR_4,
KEY_NUMLOCK, AOHK_KEY_SPECIAL,
KEY_RESERVED, KEY_RESERVED
};
///
/// Mapping from keys to internal key for Pro Gamer Command Unit.
///
/// End marked with KEY_RESERVED
///
static const int PgcuConvertTable[] = {
16, AOHK_KEY_0,
9, AOHK_KEY_1,
10, AOHK_KEY_2,
11, AOHK_KEY_3,
5, AOHK_KEY_4,
6, AOHK_KEY_5,
7, AOHK_KEY_6,
1, AOHK_KEY_7,
2, AOHK_KEY_8,
3, AOHK_KEY_9,
12, AOHK_KEY_HASH,
13, AOHK_KEY_HASH,
15, AOHK_KEY_STAR,
21, AOHK_KEY_STAR,
17, AOHK_KEY_USR_1,
18, AOHK_KEY_USR_2,
19, AOHK_KEY_USR_3,
20, AOHK_KEY_USR_4,
4, AOHK_KEY_SPECIAL,
// 14, 8, 22, 23. 24 unused
22, AOHK_KEY_NOP, // these produce only down, when switched up
23, AOHK_KEY_NOP,
24, AOHK_KEY_NOP,
KEY_RESERVED, KEY_RESERVED
};
///
/// Input devices structure.
/// Contains pre-defined features for special products.
///
struct input_device
{
const char *ID; ///< name to select this device
int Vendor; ///< usb/bluetooth vendor id
int Product; ///< usb/bluetooth product id
const int *ConvertTable; ///< default input convert table
int Offset; ///< to convert buttons of joysticks
};
///
/// Table of supported input devices.
///
static const struct input_device InputDevices[] = {
{
"n52", BELKIN_VENDOR_ID, NOSTROMO_N52_ID, N52ConvertTable, 0}, {
"pc102", SYSTEM_VENDOR_ID, PS2_KEYBOARD_ID, PC102ConvertTable, 0}, {
"keypad", CHERRY_VENDOR_ID, KEYPAD_ID, NumpadConvertTable, 0}, {
"keypad", FUJSI_VENDOR_ID, KEYPAD2_ID, Numpad2ConvertTable, 0}, {
"pgcu", SAITEK_VENDOR_ID, PGCU_ID, PgcuConvertTable, 0x11F}, {
"awkb", APPLE_VENDOR_ID, AWKB_ID, PC102ConvertTable, 0}, {
"aawkb", APPLE_VENDOR_ID, AAWKB_ID, PC102ConvertTable, 0}, {
"aakb", APPLE_VENDOR_ID, AAKB_ID, PC102ConvertTable, 0}, {
"g13", LOGITECH_VENDOR_ID, G13_ID, PC102ConvertTable, 0}, {
NULL, 0, 0, NULL, 0}
};
#define MAX_INPUTS 32 ///< max input devices supported
int InputFds[MAX_INPUTS]; ///< inputs
int InputDid[MAX_INPUTS]; ///< input device ID
int InputLEDs[MAX_INPUTS]; ///< inputs LED support
int InputFdsN; ///< number of Inputs
int UInputFd; ///< output uinput file descriptor
int AOHKTimeout = 1000; ///< in: timeout used
int AOHKExit; ///< in: exit program flag
const char *UseDev; ///< wanted device name
int UseEvent = -1; ///< wanted event device number
int UseVendor = -1; ///< wanted vendor id
int UseProduct = -1; ///< wanted product id
int ListDevices; ///< show possible devices
int NoConvertTable; ///< don't load device convert table
int NoLed; ///< don't use Leds
int DebugLevel = 2; ///< debug level
int SysLog; ///< logging to syslog
//----------------------------------------------------------------------------
// Debug / Logging
//----------------------------------------------------------------------------
///
/// Debug output function.
///
/// @param level debug level (0: errors, 1: warnings, 2: infos: 3: ...)
/// @param fmt printf like format string
/// @param ... printf like arguments
///
#define Debug(level, fmt...) \
do { if (level<DebugLevel) { printf(fmt); } } while (0)
///
/// Prepare debuging/logging.
///
#define InitDebug() \
do { if (SysLog) { openlog("aohk-daemon", 0, 0); } } while (0)
///
/// Cleanup debuging/logging.
///
#define ExitDebug()
//----------------------------------------------------------------------------
// Input event
//----------------------------------------------------------------------------
///
/// Check if device supports LEDs.
///
/// @param fd file descriptor of input device
///
/// @returns True if device supports setting leds.
///
/// @note if #NoLed is set, this function returns always false.
///
static int EventCheckLEDs(int fd)
{
unsigned char led_bitmask[LED_MAX / 8 + 1] = { 0 };
// Look for a device to control LEDs on
if (ioctl(fd, EVIOCGBIT(EV_LED, sizeof(led_bitmask)), led_bitmask) >= 0) {
if (led_bitmask[0]) {
Debug(1, "%d: supports led\n", fd);
return NoLed ? 0 : 1;
}
}
return 0;
}
///
/// Open input event device.
///
/// @returns number of opened of input devices, 0 on failure
///
static int OpenEvent(void)
{
char dev[32];
char name[64];
char *s;
int i;
int j;
int fd;
struct input_id info;
strcpy(dev, "/dev/input/event");
s = dev + sizeof("/dev/input/event") - 1;
s[1] = '\0';
s[2] = '\0';
for (i = 0; i < 32; ++i) { // 0 - 31 supported
if (i < 10) {
s[0] = '0' + i;
} else {
s[0] = '0' + i / 10;
s[1] = '0' + i % 10;
}
// printf("Trying '%s'\n", dev);
if ((fd = open(dev, O_RDWR)) >= 0) {
// Open ok
// printf("Open success\n");
if (!ioctl(fd, EVIOCGID, &info)) {
if (ListDevices) {
// get device name if possible
if (ioctl(fd, EVIOCGNAME(sizeof(name)), name) < 0) {
*name = '\0';
}
Debug(1,
"Bus:%04X Vendor:%04X Product:%04X "
"Version:%04X %s\n", info.bustype, info.vendor,
info.product, info.version, name);
}
if (UseEvent == i || (UseVendor == info.vendor
&& UseProduct == info.product)) {
Debug(1,
"Device(%d) found BUS: %04X Vendor: %04X Product: "
"%04X Version: %04X\n", fd, info.bustype, info.vendor,
info.product, info.version);
// Grab the device for exclusive use
if (ioctl(fd, EVIOCGRAB, 1) < 0) {
perror("ioctl(EVIOCGRAB)");
}
if (InputFdsN < MAX_INPUTS) {
InputDid[InputFdsN] = 0;
InputLEDs[InputFdsN] = EventCheckLEDs(fd);
InputFds[InputFdsN++] = fd;
}
goto found;
}
for (j = 0; InputDevices[j].ID; ++j) {
//
// Try only the requested input device.
//
if (UseDev && strcasecmp(UseDev, InputDevices[j].ID)) {
continue;
}
if (InputDevices[j].Vendor == info.vendor
&& InputDevices[j].Product == info.product) {
Debug(1,
"Device(%d) '%s' found BUS: %04X Vendor: %04X "
"Product: %04X Version: %04X\n", fd,
InputDevices[j].ID, info.bustype, info.vendor,
info.product, info.version);
// Grab the device for exclusive use
if (ioctl(fd, EVIOCGRAB, 1) < 0) {
perror("ioctl(EVIOCGRAB)");
}
if (InputFdsN < MAX_INPUTS) {
InputDid[InputFdsN] = j;
InputLEDs[InputFdsN] = EventCheckLEDs(fd);
InputFds[InputFdsN++] = fd;
}
if (!NoConvertTable) {
AOHKSetupConvertTable(InputDevices
[j].ConvertTable);
}
goto found;
}
}
} else {
perror("ioctl(EVIOCGID)");
}
close(fd);
} else if (errno != ENOENT) {
fprintf(stderr, "open(%s):%s\n", dev, strerror(errno));
}
found:;
}
if (!InputFdsN) {
Debug(0, "No useable device found.\n");
}
return InputFdsN;
}
///
/// Turn LED on/off.
///
/// @param fd file descriptor of input device
/// @param num led integer number
/// @param state true turn led on, false turn led off
///
/// @see LED_NUML, LED_CAPSL, LED_SCROLLL, ... in /usr/include/linux/input.h
///
static void EventLEDs(int fd, int num, int state)
{
struct input_event ev;
ev.type = EV_LED;
ev.code = num;
ev.value = state;
if (write(fd, &ev, sizeof(ev)) < 0) {
perror("write()");
}
}
//----------------------------------------------------------------------------
// Highlevel
//----------------------------------------------------------------------------
static int TouchFd = -1; ///< touchpad file descriptor
static int TouchX; ///< x of touchpad
static int TouchY; ///< y of touchpad
static int TouchP; ///< pressure of touchpad
static int TouchR; ///< tool width of touchpad
static int TouchB; ///< touch button
static int TouchXI; ///< invert x of touchpad
static int TouchX0 = 1350; ///< x0 of touchpad
static int TouchXC = 1350 + 140; ///< x corner of touchpad
static int TouchX1 = 1350 + 1415; ///< x1 of touchpad
static int TouchX2 = 1350 + 2830; ///< x2 of touchpad
static int TouchX3 = 5595; ///< x3 of touchpad
static int TouchYI; ///< invert y of touchpad
static int TouchY0 = 1200; ///< y0 of touchpad
static int TouchYC = 1200 + 400; ///< y corner of touchpad
static int TouchY1 = 1200 + 1167 - 100; ///< y1 of touchpad
static int TouchY2 = 1200 + 2333 + 100; ///< y2 of touchpad
static int TouchY3 = 4750; ///< y3 of touchpad
static int TouchLastSector; ///< last pressed sector
///
/// Show LED.
///
/// @param num led integer number
/// @param state true turn led on, false turn led off
///
/// @see LED_NUML, LED_CAPSL, LED_SCROLLL, ... in /usr/include/linux/input.h
///
void AOHKShowLED(int num, int state)
{
int i;
// Search device for LEDs.
for (i = 0; i < InputFdsN; ++i) {
if (InputLEDs[i]) {
// printf("LED: %d\n", InputLEDs[i] );
EventLEDs(InputFds[i], num, state);
}
}
}
///
/// Input handle touchpad/touchscreen devices.
///
/// @param did internal device id (#InputDevices) of input
/// @param fd file descriptor of input device
/// @param ev input event
///
/// @todo only debug
///
static void InputTouch(int did, int fd, const struct input_event *ev)
{
int i;
int sector;
int timestamp;
static int sector_codes[13] = { AOHK_KEY_0,
AOHK_KEY_1, AOHK_KEY_2, AOHK_KEY_3,
AOHK_KEY_4, AOHK_KEY_5, AOHK_KEY_6,
AOHK_KEY_7, AOHK_KEY_8, AOHK_KEY_9,
AOHK_KEY_HASH, AOHK_KEY_SPECIAL, AOHK_KEY_STAR
};
did = did;
if (TouchFd == -1) { // touchpad autodection
if (ev->code == BTN_TOUCH || ev->code == ABS_PRESSURE
|| ev->code == ABS_TOOL_WIDTH) {
Debug(5, "touch device auto detected\n");
TouchFd = fd;
} else {
return;
}
} else if (fd != TouchFd) {
return;
}
if (AOHKCheckOffState()) { // turned off
if (write(UInputFd, ev, sizeof(*ev)) != sizeof(*ev)) {
perror("write");
}
// FIXME: can't turn touchpad on again!
return;
}
timestamp = ev->time.tv_sec * 1000 + ev->time.tv_usec / 1000;
if (ev->type == EV_SYN) {
// Ignore out of range events
if (TouchX0 > TouchX || TouchX > TouchX3 || TouchY0 > TouchY
|| TouchY > TouchY3) {
Debug(3, "out of range\n");
return;
}
//
// Unhandled button event
//
if (TouchB) {
// Convert to sector
i = TouchX;
if (i < TouchX0 || i > TouchX3) {
if (TouchB < 0) {
if (TouchLastSector) {
AOHKFeedSymbol(timestamp,
sector_codes[TouchLastSector], 0);
}
Debug(1, "x out of range\n");
TouchB = 0;
}
return;
}
if (i < TouchX2) {
if (i < TouchX1) {
sector = 1;
} else {
sector = 2;
}
} else {
sector = 3;
}
if (TouchXI) {
sector = 3 - sector;
}
i = TouchY;
if (i < TouchY0 || i > TouchY3) {
if (TouchB < 0) {
if (TouchLastSector) {
AOHKFeedSymbol(timestamp,
sector_codes[TouchLastSector], 0);
}
Debug(1, "y out of range\n");
TouchB = 0;
}
return;
}
if (i < TouchY2) {
if (i < TouchY1) {
sector += TouchYI ? 0 : 6;
} else {
sector += 3;
}
} else {
sector += TouchYI ? 6 : 0;
}
TouchB++; // to release code
if (sector == 7 && TouchX < TouchXC && TouchY < TouchYC) {
Debug(3, "Corner %d %s\n", sector,
TouchB ? "press" : "release");
sector = 11;
}
Debug(3, "Sector %d %s\n", sector, TouchB ? "press" : "release");
// release not the same sector release the old sector
if (TouchLastSector && TouchLastSector != sector) {
// release old sector, press new sector
AOHKFeedSymbol(timestamp, sector_codes[TouchLastSector], 0);
if (!TouchB) { // release in new sector
AOHKFeedSymbol(timestamp, sector_codes[sector], 1);
}
}
AOHKFeedSymbol(timestamp, sector_codes[sector], TouchB);
if (TouchB) { // remember to release
TouchLastSector = sector;
} else {
TouchLastSector = 0;
}
TouchB = 0;
} else {
Debug(1, "%d x:%d,y:%d,p:%d,r:%d\n", TouchB, TouchX, TouchY,
TouchP, TouchR);
}
return;
}
if (ev->type == EV_KEY) {
if (ev->code == BTN_LEFT) {
Debug(1, "0 %s\n", ev->value ? "pressed" : "released");
AOHKFeedSymbol(timestamp, sector_codes[0], ev->value);
return;
}
if (ev->code == BTN_RIGHT) {
Debug(1, "# %s\n", ev->value ? "pressed" : "released");
AOHKFeedSymbol(timestamp, sector_codes[10], ev->value);
return;
}
if (ev->code == BTN_MIDDLE) {
Debug(1, "* %s\n", ev->value ? "pressed" : "released");
AOHKFeedSymbol(timestamp, sector_codes[12], ev->value);
return;
}
if (ev->code != BTN_TOUCH) {
return;
}
TouchB = ev->value ? 1 : -1;
return;
}
switch (ev->code) {
case ABS_X:
TouchX = ev->value;
break;
case ABS_Y:
TouchY = ev->value;
break;
case ABS_PRESSURE:
if (0) {
if (TouchP && !ev->value) {
TouchB = -1;
} else if (!TouchP && ev->value) {
TouchB = 1;
}
Debug(1, "pressure %d %d\n", TouchP, TouchB);
}
TouchP = ev->value;
break;
case ABS_TOOL_WIDTH:
TouchR = ev->value;
break;
default:
Debug(1, "unsupported event code $%02x\n", ev->code);
break;
}
Debug(9, "M x:%d,y:%d,p:%d,r:%d\n", TouchX, TouchY, TouchP, TouchR);
}
///
/// Input read.
/// Read input from events, emulate aohk, output to uinput.
///
/// @param did internal device id (#InputDevices) of input
/// @param fd file descriptor of input device
///
/// @see InputDevices
///
static void InputRead(int did, int fd)
{
struct input_event ev;
if (read(fd, &ev, sizeof(ev)) != sizeof(ev)) {
perror("read()");
return;
}
switch (ev.type) {
case EV_KEY: // Key event
if (ev.code >= BTN_MISC) {
Debug(4, "Key 0x%02X=%d %s\n", ev.code, ev.code,
ev.value ? "pressed" : "released");
InputTouch(did, fd, &ev);
break;
}
// FIXME: 0x100 - 0x200
// Feed into AOHK Statemachine
AOHKFeedKey(ev.time.tv_sec * 1000 + ev.time.tv_usec / 1000,
ev.code - InputDevices[did].Offset, ev.value);
break;
case EV_LED: // Led event
// Ignore
break;
case EV_MSC: // Send by system keyboard
// Ignore
Debug(5, "msc for %d\n", fd);
break;
case EV_SYN: // Synchronization events
// Ignore
Debug(5, "syn for %d\n", fd);
InputTouch(did, fd, &ev);
break;
case EV_ABS: // ABS event parse on.
// ev.code: ABS_X, ABS_Y, ABS_PRESSURE, ABS_TOOLWIDTH
Debug(6, "Event Type(%d,$%02x,%d) abs\n", ev.type, ev.code,
ev.value);
InputTouch(did, fd, &ev);
break;
default:
Debug(1, "Event Type(%d,%d,%d) unsupported\n", ev.type, ev.code,
ev.value);
if (write(UInputFd, &ev, sizeof(ev)) != sizeof(ev)) {
perror("write");
}
break;
}
}
///
/// Event Loop
///
void EventLoop(void)
{
struct pollfd fds[MAX_INPUTS + 1];
int ret;
int i;
for (i = 0; i < InputFdsN; ++i) {
fds[i].fd = InputFds[i];
fds[i].events = POLLIN;
fds[i].revents = 0;
}
while (!AOHKExit) {
ret = poll(fds, InputFdsN, AOHKTimeout ? AOHKTimeout : -1);
if (ret < 0) { // -1 error
perror("poll()");
continue;
}
if (!ret) {
// FIXME: not correct. this can be longer
AOHKFeedTimeout(AOHKTimeout);
continue;
}
for (i = 0; i < InputFdsN; ++i) {
if (fds[i].revents) {
InputRead(InputDid[i], fds[i].fd);
fds[i].revents = 0;
}
}
}
}
///
/// @details Key out, called from aohk module to output final scancodes.
///
/// @param key linux scan code for key (/usr/include/linux/input.h)
/// @param pressed true key is pressed, false released.
///
void AOHKKeyOut(int key, int pressed)
{
if (pressed) {
UInputKeydown(UInputFd, key);
} else {
UInputKeyup(UInputFd, key);
}
}
///
/// Show firework. No time lost, need some delay to release start keys.
///
static void Firework(void)
{
static const int8_t led_firework[][3] = {
{0, 0, 0},
{1, 0, 0},
{0, 1, 0},
{0, 0, 1},
{0, 1, 0},
{1, 0, 0},
{0, 1, 0},
{0, 0, 1},
{0, 1, 0},
{1, 0, 0},
{0, 1, 0},
{0, 0, 1},
{0, 0, 0},
{-1, -1, -1},
};
int i;
for (i = 0; led_firework[i][0] >= 0; ++i) {
AOHKShowLED(0, led_firework[i][0]);
AOHKShowLED(1, led_firework[i][1]);
AOHKShowLED(2, led_firework[i][2]);
usleep(100000);
}
}
///
/// Parse geometry.
/// Parses strings of the form
/// "=<width>x<height>{+-}<xoffset>{+-}<yoffset>", where
/// width, height, xoffset, and yoffset are unsigned integers.
///
/// @param string geometry (f.e. 5000x5000+1300+1300)
/// @param[out] x pointer for x offset result
/// @param[out] y pointer for y offset result
/// @param[out] width pointer for width result
/// @param[out] height pointer for height result
///
/// @returns 0 on parse errrors, otherwise bitmask of results.
///
static int ParseGeometry(const char *string, int *x, int *y, unsigned *width,
unsigned *height)
{
int mask;
char *endptr;
int tx;
int ty;
unsigned tw;
unsigned th;
mask = 0;
if (!string || !*string) { // empty or null string
return mask;
}
if (*string == '=') { // ignore leading '='
++string;
}
if (*string != '+' && *string != '-' && (*string | 0x20) != 'x') {
tw = strtol(string, &endptr, 10);
if (string == endptr) { // parse failure
return 0;
}
string = endptr;
mask |= 4;
}
if ((*string | 0x20) == 'x') {
th = strtol(++string, &endptr, 10);
if (string == endptr) { // parse failure
return 0;
}
string = endptr;
mask |= 8;
}
if (*string == '+' || *string == '-') {
if (*string == '-') {
mask |= 16;
}
tx = strtol(++string, &endptr, 10);
if (mask & 16) {
tx = -tx;
}
if (string == endptr) { // parse failure
return 0;
}
string = endptr;
mask |= 1;
if (*string == '+' || *string == '-') {
if (*string == '-') {
mask |= 32;
}
ty = strtol(++string, &endptr, 10);
if (mask & 32) {
ty = -ty;
}
if (string == endptr) { // parse failure
return 0;
}
string = endptr;
mask |= 2;
}
}
if (*string) { // still some characters left invalid geometry
return 0;
}
if (mask & 1) { // everything ok, give results back
*x = tx;
}
if (mask & 2) {
*y = ty;
}
if (mask & 3) {
*width = tw;
}
if (mask & 4) {
*height = th;
}
return mask;
}
///
/// List supported devices
///
static void ListSupportedDevices(void)
{
int j;
for (j = 0; InputDevices[j].ID; ++j) {
if (UseDev && strcasecmp(UseDev, InputDevices[j].ID)) {
printf("*");
}
printf("%s ", InputDevices[j].ID);
}
}
/// Title shown for errors, usage.
#define TITLE "ALE one-hand keyboard daemon Version " VERSION \
" (c) 2007,2009 Lutz Sammer"
///
/// Main entry point.
///
/// @param argc Number of arguments
/// @param argv Arguments vector
///
/// @returns -1 on failures
///
int main(int argc, char *const *argv)
{
int i;
int ufd;
int background;
const char *save;
const char *lang;
lang = "de"; // My choice :>
background = 0;
save = NULL;
SysLog = 0;
//
// Parse arguments:
// -l loading keyboard mapping.
// -d wich device
// ...
//
for (;;) {
switch (getopt(argc, argv, "DLQ:bd:e:g:l:np:s:v:h?-")) {
case 'b': // background
background = 1;
SysLog = 1;
continue;