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#include "fastfetch.h"
#include "common/init.h"
#include "common/parsing.h"
#include "common/thread.h"
#include "common/textModifier.h"
#include "detection/displayserver/displayserver.h"
#include "detection/terminaltheme/terminaltheme.h"
#include "logo/logo.h"
#include <stdlib.h>
#include <unistd.h>
#include <locale.h>
#ifdef _WIN32
#include <windows.h>
#include "common/windows/unicode.h"
#else
#include <signal.h>
#endif
FFinstance instance; // Global singleton
static void initState(FFstate* state) {
state->logoWidth = 0;
state->logoHeight = 0;
state->keysHeight = 0;
state->terminalLightTheme = false;
state->titleFqdn = false;
ffPlatformInit(&state->platform);
state->dynamicInterval = 0;
#if !FF_MODULE_DISABLE_TERMINALTHEME
{
// don't enable bright color if the terminal is in light mode
FFTerminalThemeResult result;
if (ffDetectTerminalTheme(&result, true /* forceEnv for performance */) && !result.bg.dark) {
state->terminalLightTheme = true;
}
}
#endif
}
static void defaultConfig(void) {
ffOptionsInitLogo(&instance.config.logo);
ffOptionsInitGeneral(&instance.config.general);
ffOptionsInitDisplay(&instance.config.display);
}
void ffInitInstance(void) {
#ifdef _WIN32
// https://learn.microsoft.com/en-us/cpp/c-runtime-library/reference/setlocale-wsetlocale?source=recommendat>
setlocale(LC_ALL, ".UTF8");
#else
// Never use `setlocale(LC_ALL, "")`
setlocale(LC_TIME, "");
#endif
defaultConfig();
initState(&instance.state);
}
static volatile bool ffDisableLinewrap = false;
static volatile bool ffHideCursor = false;
#ifdef _WIN32
static volatile UINT oldCp = CP_UTF8;
#endif
static void resetConsole(void) {
if (ffDisableLinewrap) {
fputs("\033[?7h", stdout);
}
if (ffHideCursor) {
fputs("\033[?25h", stdout);
}
if (instance.state.dynamicInterval > 0) {
fputs("\033[?1049l", stdout); // Disable alternate buffer
}
#if defined(_WIN32)
fflush(stdout);
if (oldCp != CP_UTF8) {
SetConsoleOutputCP(oldCp);
}
#endif
}
#ifdef _WIN32
BOOL WINAPI consoleHandler(FF_A_UNUSED DWORD signal) {
resetConsole();
exit(0);
}
#else
static void exitSignalHandler(FF_A_UNUSED int signal) {
resetConsole();
exit(0);
}
#endif
void ffStart(void) {
ffDisableLinewrap = instance.config.display.disableLinewrap && !instance.config.display.pipe;
ffHideCursor = instance.config.display.hideCursor && !instance.config.display.pipe;
#ifdef _WIN32
SetErrorMode(SEM_FAILCRITICALERRORS);
if (instance.config.display.noBuffer) {
setvbuf(stdout, NULL, _IONBF, 0);
} else {
setvbuf(stdout, NULL, _IOFBF, 4096);
}
SetConsoleCtrlHandler(consoleHandler, TRUE);
HANDLE hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
DWORD mode = 0;
if (GetConsoleMode(hStdout, &mode)) {
SetConsoleMode(hStdout, mode | ENABLE_PROCESSED_OUTPUT | ENABLE_VIRTUAL_TERMINAL_PROCESSING);
oldCp = GetConsoleOutputCP();
if (oldCp != CP_UTF8) {
SetConsoleOutputCP(CP_UTF8);
}
}
#else
if (instance.config.display.noBuffer) {
setvbuf(stdout, NULL, _IONBF, 0);
}
struct sigaction action;
sigemptyset(&action.sa_mask);
action.sa_flags = 0;
action.sa_handler = exitSignalHandler;
sigaction(SIGINT, &action, NULL);
sigaction(SIGTERM, &action, NULL);
sigaction(SIGQUIT, &action, NULL);
sigset_t newmask;
sigemptyset(&newmask);
sigaddset(&newmask, SIGCHLD);
sigprocmask(SIG_BLOCK, &newmask, NULL);
#endif
// reset everything to default before we start printing
if (!instance.config.display.pipe) {
fputs(FASTFETCH_TEXT_MODIFIER_RESET, stdout);
}
if (ffHideCursor) {
fputs("\033[?25l", stdout);
}
if (ffDisableLinewrap) {
fputs("\033[?7l", stdout);
}
if (instance.state.dynamicInterval > 0) {
fputs("\033[?1049h\033[H", stdout); // Enable alternate buffer
fflush(stdout);
}
}
void ffFinish(void) {
resetConsole();
}
static void destroyConfig(void) {
ffOptionsDestroyLogo(&instance.config.logo);
ffOptionsDestroyGeneral(&instance.config.general);
ffOptionsDestroyDisplay(&instance.config.display);
}
static void destroyState(void) {
ffPlatformDestroy(&instance.state.platform);
}
void ffDestroyInstance(void) {
destroyConfig();
destroyState();
}
#if FF_HAVE_LUA
#include <lua.h>
#endif
#if FF_HAVE_QUICKJS
#include <quickjs.h>
#define FF_STR_INDIR(x) #x
#define FF_STR(x) FF_STR_INDIR(x)
#endif
// Must be in a file compiled with the libfastfetch target, because the FF_HAVE* macros are not defined for the executable targets
void ffListFeatures(void) {
fputs(
#if FF_HAVE_THREADS
"threads\n"
#endif
#if FF_HAVE_VULKAN
"vulkan\n"
#endif
#if FF_HAVE_WAYLAND
"wayland\n"
#endif
#if FF_HAVE_XCB_RANDR
"xcb-randr\n"
#endif
#if FF_HAVE_XRANDR
"xrandr\n"
#endif
#if FF_HAVE_DRM
"drm\n"
#endif
#if FF_HAVE_DRM_AMDGPU
"drm_amdgpu\n"
#endif
#if FF_HAVE_GIO
"gio\n"
#endif
#if FF_HAVE_DCONF
"dconf\n"
#endif
#if FF_HAVE_EET
"eet\n"
#endif
#if FF_HAVE_DBUS
"dbus\n"
#endif
#if FF_HAVE_IMAGEMAGICK7
"imagemagick7\n"
#endif
#if FF_HAVE_IMAGEMAGICK6
"imagemagick6\n"
#endif
#if FF_HAVE_CHAFA
"chafa\n"
#endif
#if FF_HAVE_ZLIB
"zlib\n"
#endif
#if FF_HAVE_SQLITE3
"sqlite3\n"
#endif
#if FF_HAVE_RPM
"rpm\n"
#endif
#if FF_HAVE_EGL
"egl\n"
#endif
#if FF_HAVE_GLX
"glx\n"
#endif
#if FF_HAVE_OPENCL
"opencl\n"
#endif
#if FF_HAVE_FREETYPE
"freetype\n"
#endif
#if FF_HAVE_PULSE
"libpulse\n"
#endif
#if FF_HAVE_DDCUTIL
"libddcutil\n"
#endif
#if FF_HAVE_ELF || __sun || (__FreeBSD__ && !__DragonFly__) || __OpenBSD__ || __NetBSD__
"libelf\n"
#endif
#if FF_HAVE_LIBZFS
"libzfs\n"
#endif
#if FF_HAVE_VA
"va\n"
#endif
#if FF_HAVE_VDPAU
"vdpau\n"
#endif
#if FF_USE_SYSTEM_YYJSON
"System yyjson\n"
#endif
#if FF_HAVE_LINUX_VIDEODEV2
"linux/videodev2\n"
#endif
#if FF_HAVE_EMBEDDED_PCIIDS
"Embedded pciids\n"
#endif
#if FF_ENABLE_WCWIDTH
"Embedded wcwidth\n"
#endif
#if FF_HAVE_WINRT
"WinRT headers\n"
#endif
#if FF_WIN81_COMPAT
"Windows 8.1 Compatibility\n"
#endif
#if FF_APPLE_MEMSIZE_USABLE
"Apple memsize_usable\n"
#endif
#if FF_HAVE_LUA
LUA_VERSION "\n"
#endif
#if FF_HAVE_QUICKJS
"QuickJS " FF_STR(QJS_VERSION_MAJOR) "." FF_STR(QJS_VERSION_MINOR) "." FF_STR(QJS_VERSION_PATCH) QJS_VERSION_SUFFIX "\n"
#endif
"",
stdout);
}
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