Implement updateWindowSize for Windows

This commit is contained in:
PoweredByPie 2024-05-18 16:05:14 -07:00
parent beb3c2bc7a
commit 53f0c44d6c
2 changed files with 13 additions and 6 deletions

View file

@ -4,6 +4,8 @@
#if _WIN32
# include <io.h>
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
# define isatty _isatty
#else
# include <sys/ioctl.h>
@ -97,17 +99,26 @@ std::string filterANSIEscapes(std::string_view s, bool filterAll, unsigned int w
static Sync<std::pair<unsigned short, unsigned short>> windowSize{{0, 0}};
#ifndef _WIN32
void updateWindowSize()
{
#ifndef _WIN32
struct winsize ws;
if (ioctl(2, TIOCGWINSZ, &ws) == 0) {
auto windowSize_(windowSize.lock());
windowSize_->first = ws.ws_row;
windowSize_->second = ws.ws_col;
}
#else
CONSOLE_SCREEN_BUFFER_INFO info;
// From https://stackoverflow.com/a/12642749
if (GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &info) != 0) {
auto windowSize_(windowSize.lock());
// From https://github.com/libuv/libuv/blob/v1.48.0/src/win/tty.c#L1130
windowSize_->first = info.srWindow.Bottom - info.srWindow.Top + 1;
windowSize_->second = info.dwSize.X;
}
#endif
}
#endif
std::pair<unsigned short, unsigned short> getWindowSize()

View file

@ -21,16 +21,12 @@ std::string filterANSIEscapes(std::string_view s,
bool filterAll = false,
unsigned int width = std::numeric_limits<unsigned int>::max());
#ifndef _WIN32
/**
* Recalculate the window size, updating a global variable. Used in the
* `SIGWINCH` signal handler.
*/
void updateWindowSize();
#endif
/**
* @return the number of rows and columns of the terminal.
*