Mirror/FTXUI
1
0
Fork 0
mirror of https://github.com/ArthurSonzogni/FTXUI.git synced 2025-09-29 16:39:34 +08:00
Code Issues Packages Projects Releases Wiki Activity

Add clang-tidy. (#368)

Browse Source
This commit is contained in:
Arthur Sonzogni
2022-03-31 02:17:43 +02:00
committed by GitHub
parent 62fb6298be
commit aebde94352
80 changed files with 1958 additions and 1376 deletions
Download Patch File Download Diff File Expand all files Collapse all files

122
src/ftxui/screen/terminal.cpp
View File

@@ -18,89 +18,57 @@
namespace ftxui {
#if defined(__EMSCRIPTEN__)
// This dimension was chosen arbitrarily to be able to display:
// https://arthursonzogni.com/FTXUI/examples
// This will have to be improved when someone has time to implement and need
// it.
static Dimensions fallback_size{140, 43};
Dimensions Terminal::Size() {
return fallback_size;
}
#elif defined(_WIN32)
// The terminal size in VT100 was 80x24. It is still used nowadays by
// default in many terminal emulator. That's a good choice for a fallback
// value.
static Dimensions fallback_size{80, 24};
Dimensions Terminal::Size() {
CONSOLE_SCREEN_BUFFER_INFO csbi;
if (GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi)) {
return Dimensions{csbi.srWindow.Right - csbi.srWindow.Left + 1,
csbi.srWindow.Bottom - csbi.srWindow.Top + 1};
}
return fallback_size;
}
#else
// The terminal size in VT100 was 80x24. It is still used nowadays by
// default in many terminal emulator. That's a good choice for a fallback
// value.
static Dimensions fallback_size{80, 24};
Dimensions Terminal::Size() {
winsize w{};
const int status = ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
// The ioctl return value result should be checked. Some operating systems
// don't support TIOCGWINSZ.
if (w.ws_col == 0 || w.ws_row == 0 || status < 0) {
return fallback_size;
}
return Dimensions{w.ws_col, w.ws_row};
}
#endif
/// @brief Override terminal size in case auto-detection fails
/// @param fallbackSize Terminal dimensions to fallback to
void Terminal::SetFallbackSize(const Dimensions& fallbackSize) {
fallback_size = fallbackSize;
}
namespace {
Dimensions& FallbackSize() {
#if defined(__EMSCRIPTEN__)
// This dimension was chosen arbitrarily to be able to display:
// https://arthursonzogni.com/FTXUI/examples
// This will have to be improved when someone has time to implement and need
// it.
constexpr int fallback_width = 140;
constexpr int fallback_height = 43;
#else
// The terminal size in VT100 was 80x24. It is still used nowadays by
// default in many terminal emulator. That's a good choice for a fallback
// value.
constexpr int fallback_width = 80;
constexpr int fallback_height = 24;
#endif
static Dimensions g_fallback_size{fallback_width, fallback_height};
return g_fallback_size;
}
const char* Safe(const char* c) {
return c ? c : "";
return (c != nullptr) ? c : "";
}
bool Contains(const std::string& s, const char* key) {
return s.find(key) != std::string::npos;
}
static bool cached = false;
Terminal::Color cached_supported_color;
Terminal::Color ComputeColorSupport() {
#if defined(__EMSCRIPTEN__)
return Terminal::Color::TrueColor;
#endif
std::string COLORTERM = Safe(std::getenv("COLORTERM"));
if (Contains(COLORTERM, "24bit") || Contains(COLORTERM, "truecolor"))
std::string COLORTERM = Safe(std::getenv("COLORTERM")); // NOLINT
if (Contains(COLORTERM, "24bit") || Contains(COLORTERM, "truecolor")) {
return Terminal::Color::TrueColor;
}
std::string TERM = Safe(std::getenv("TERM"));
if (Contains(COLORTERM, "256") || Contains(TERM, "256"))
std::string TERM = Safe(std::getenv("TERM")); // NOLINT
if (Contains(COLORTERM, "256") || Contains(TERM, "256")) {
return Terminal::Color::Palette256;
}
#if defined(FTXUI_MICROSOFT_TERMINAL_FALLBACK)
// Microsoft terminals do not properly declare themselve supporting true
// colors: https://github.com/microsoft/terminal/issues/1040
// As a fallback, assume microsoft terminal are the ones not setting those
// variables, and enable true colors.
if (TERM == "" && COLORTERM == "")
if (TERM == "" && COLORTERM == "") {
return Terminal::Color::TrueColor;
}
#endif
return Terminal::Color::Palette16;
@@ -108,7 +76,43 @@ Terminal::Color ComputeColorSupport() {
} // namespace
Dimensions Terminal::Size() {
#if defined(__EMSCRIPTEN__)
// This dimension was chosen arbitrarily to be able to display:
// https://arthursonzogni.com/FTXUI/examples
// This will have to be improved when someone has time to implement and need
// it.
return FallbackSize();
#elif defined(_WIN32)
CONSOLE_SCREEN_BUFFER_INFO csbi;
if (GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi)) {
return Dimensions{csbi.srWindow.Right - csbi.srWindow.Left + 1,
csbi.srWindow.Bottom - csbi.srWindow.Top + 1};
}
return FallbackSize();
#else
winsize w{};
const int status = ioctl(STDOUT_FILENO, TIOCGWINSZ, &w); // NOLINT
// The ioctl return value result should be checked. Some operating systems
// don't support TIOCGWINSZ.
if (w.ws_col == 0 || w.ws_row == 0 || status < 0) {
return FallbackSize();
}
return Dimensions{w.ws_col, w.ws_row};
#endif
}
/// @brief Override terminal size in case auto-detection fails
/// @param fallbackSize Terminal dimensions to fallback to
void Terminal::SetFallbackSize(const Dimensions& fallbackSize) {
FallbackSize() = fallbackSize;
}
Terminal::Color Terminal::ColorSupport() {
static bool cached = false;
static Terminal::Color cached_supported_color;
if (!cached) {
cached = true;
cached_supported_color = ComputeColorSupport();