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// |
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// $Id$ |
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< |
#include <iostream> |
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#include <string> |
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#include <cxx/standard.hh> |
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#include <err.h> |
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#include <fcntl.h> |
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#include <sys/ioctl.h> |
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|
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#include <common.hpp> |
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#include <fdstream.hpp> |
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#include <foreach.hpp> |
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#include <posix.hpp> |
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#include <regex.hpp> |
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#include <api/exename.hpp> |
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#include <api/pcre/regex.hpp> |
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#include <api/files.hpp> |
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#include <app/simple.hpp> |
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#include <ext/helpers.hpp> |
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#include "Audacious.hpp" |
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// XXX: this is probably little endian! |
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bool debug(false); |
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|
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enum Button |
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{ |
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None = 0xfb00, |
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PlayPause = 0x0101, |
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Previous = 0x1010, |
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Next = 0x0808, |
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VolumeDown = 0x0c04, |
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VolumeUp = 0x0202 |
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} |
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const buttons[] = { PlayPause, Previous, Next, VolumeDown, VolumeUp }; |
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None = 000, |
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PlayPause = 001, |
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VolumeUp = 002, |
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VolumeDown = 004, |
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Next = 010, |
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Previous = 020 |
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}; |
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|
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const _V<Button> buttons(PlayPause, VolumeUp, VolumeDown, Next, Previous); |
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inline std::ostream &operator<<(std::ostream &output, Button button) |
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inline ios::PrintWriter &operator<<(ios::PrintWriter &output, Button button) |
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{ |
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switch (button) |
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{ |
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class Buttons |
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{ |
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uint16_t current, previous; |
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mutable std::vector<Button> events; |
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byte_t current, previous; |
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_L<Button> events; |
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inline bool Pressed(Button button, uint16_t buttons) const |
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inline bool Pressed(Button button, bool current_ = true) const |
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{ |
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return ((buttons ^ None) & button) == button; |
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return ((current_ ? current : previous) & button) == button; |
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} |
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public: |
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Buttons() : current(None) {} |
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const std::vector<Button> &Events() const |
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inline const _L<Button> &Events() const |
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{ |
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if (events.empty()) |
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_forall (uint8_t, index, 0, sizeof (buttons) / sizeof (*buttons)) |
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if (!Pressed(buttons[index], current) && Pressed(buttons[index], previous)) |
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events.push_back(buttons[index]); |
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return events; |
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} |
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friend std::istream &operator>>(std::istream &, Buttons &); |
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}; |
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|
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inline std::istream &operator>>(std::istream &input, Buttons &buttons) |
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{ |
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if (!input.ignore(3)) |
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return input; |
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|
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buttons.previous = buttons.current; |
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inline const _L<Button> &Events(byte_t bytes[8]) |
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{ |
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if (debug) |
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{ |
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_assert (bytes[0] == 3); |
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_assert (bytes[1] == 2); |
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_assert (bytes[2] == 0); |
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_assert (bytes[3] == -(bytes[4] - 0373)); |
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_assert (bytes[5] == 0); |
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_assert (bytes[6] == 0); |
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_assert (bytes[7] == 0); |
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} |
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buttons.events.clear(); |
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previous = current; |
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current = bytes[3]; |
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if (!input.read(reinterpret_cast<char *>(&buttons.current), sizeof (buttons.current))) |
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return input; |
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events.Clear(); |
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return input.ignore(3); |
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} |
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_foreach (const _V<Button>, button, buttons) |
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if (Pressed(*button, false) && !Pressed(*button)) |
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events.InsertLast(*button); |
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int Usage(const std::string &program) |
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{ |
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std::cout << _B("Usage: ") << program << _B(" [-debug] [-device=device]") << std::endl; |
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return events; |
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} |
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return 1; |
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} |
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template <Button button> |
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inline bool Pressed() |
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{ |
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return Pressed(button); |
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} |
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}; |
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int main(int argc, char *argv[]) |
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int Main(const app::Options &options) |
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{ |
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bool debug(false); |
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std::string device; |
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cse::String device; |
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{ |
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Pcre::RegEx devicePath(_B("^-device=(/.+)$")); |
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Pcre::RegEx deviceNumber(_B("^-device=([0-9]+)$")); |
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Pcre::RegEx deviceName(_B("^-device=(.+)$")); |
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api::Pcre::RegEx devicePath(_B("^-device=(/.+)$")); |
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api::Pcre::RegEx deviceNumber(_B("^-device=([0-9]+)$")); |
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api::Pcre::RegEx deviceName(_B("^-device=(.+)$")); |
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|
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_foreach (const app::ArgumentList, arg, app::GetArguments()) |
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{ |
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api::Pcre::RegEx::Match match; |
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_forall (int, index, 1, argc) |
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if (argv[index] == _B("-debug")) |
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if (*arg == _B("-debug")) |
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debug = true; |
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else if (Pcre::RegEx::Match match = devicePath(argv[index])) |
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else if (match = devicePath(*arg)) |
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device = match[1]; |
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else if (Pcre::RegEx::Match match = deviceNumber(argv[index])) |
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device = _B("/dev/uhid") + match[1]; |
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else if (Pcre::RegEx::Match match = deviceName(argv[index])) |
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device = _B("/dev/") + match[1]; |
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else if (match = deviceNumber(*arg)) |
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device = _S<ios::String>() << _B("/dev/uhid") << match[1]; |
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else if (match = deviceName(*arg)) |
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device = _S<ios::String>() << _B("/dev/") << match[1]; |
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else |
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return Usage(argv[0]); |
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goto usage; |
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} |
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} |
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if (device.empty()) |
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return Usage(argv[0]); |
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if (device.IsEmpty()) |
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{ |
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usage: api::Cout << _B("Usage: ") << api::GetExecutablePath().GetName() << _B(" [-debug] [-device=device]") << ios::NewLine; |
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ext::ifdstream uhid(Posix::CheckError(::open(device.c_str(), O_RDONLY))); |
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Buttons buttons; |
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Audacious audacious; |
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return 1; |
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} |
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if (!debug) |
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Posix::CheckError(::daemon(0, 1)); |
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try |
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{ |
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_S<api::FileReader> uhid(device); |
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byte_t bytes[8]; |
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Buttons buttons; |
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Audacious audacious; |
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while (uhid >> buttons) |
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_foreach (const std::vector<Button>, button, buttons.Events()) |
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_forever |
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{ |
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if (debug) |
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std::cout << _B("button=") << *button << std::endl; |
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uhid.ReadFully(bytes, sizeof (bytes)); |
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|
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_foreach (const _L<Button>, button, buttons.Events(bytes)) |
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{ |
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if (debug) |
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api::Cerr << _B("button=") << *button << ios::NewLine; |
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if (audacious.IsRunning()) |
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switch (*button) |
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{ |
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default: |
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break; |
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if (audacious.IsRunning()) |
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switch (*button) |
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{ |
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default: |
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break; |
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case PlayPause: |
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audacious.PlayPause(); |
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case PlayPause: |
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audacious.PlayPause(); |
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break; |
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break; |
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case Previous: |
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audacious.PlaylistPrevious(); |
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case Previous: |
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audacious.PlaylistPrevious(); |
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break; |
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break; |
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case Next: |
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audacious.PlaylistNext(); |
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case Next: |
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audacious.PlaylistNext(); |
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< |
break; |
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> |
break; |
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case VolumeDown: |
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case VolumeUp: |
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int volume(audacious.GetMainVolume() + (*button == VolumeUp ? 1 : -1)); |
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> |
case VolumeDown: |
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case VolumeUp: |
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int volume(audacious.GetMainVolume() + (*button == VolumeUp ? 1 : -1)); |
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audacious.SetMainVolume(volume); |
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} |
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audacious.SetMainVolume(volume); |
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} |
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} |
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} |
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} |
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catch (const api::Error &error) |
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{ |
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api::Cerr << api::GetExecutablePath().GetName() << _B(": ") << error.GetMessage() << ios::NewLine; |
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|
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return 1; |
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} |
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return 0; |
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} |
