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#include "terminalsize.h"
#include "common/io.h"
#include <windows.h>
bool ffDetectTerminalSize(FFTerminalSizeResult* result) {
HANDLE hOutput = GetStdHandle(STD_OUTPUT_HANDLE);
FF_AUTO_CLOSE_FD HANDLE hConout = INVALID_HANDLE_VALUE;
{
DWORD outputMode;
if (!GetConsoleMode(hOutput, &outputMode)) {
hConout = CreateFileW(L"CONOUT$", GENERIC_READ | GENERIC_WRITE, FILE_SHARE_WRITE, 0, OPEN_EXISTING, 0, NULL);
hOutput = hConout;
}
}
{
CONSOLE_SCREEN_BUFFER_INFO csbi;
if (GetConsoleScreenBufferInfo(hOutput, &csbi)) {
result->columns = (uint16_t) (csbi.srWindow.Right - csbi.srWindow.Left + 1);
result->rows = (uint16_t) (csbi.srWindow.Bottom - csbi.srWindow.Top + 1);
} else {
// Windows Terminal doesn't report `\e` for some reason
ffGetTerminalResponse("\e[18t", 2, "%*[^;];%hu;%hut", &result->rows, &result->columns);
}
}
if (result->columns == 0 && result->rows == 0) {
return false;
}
{
CONSOLE_FONT_INFOEX cfi = { .cbSize = sizeof(cfi) };
if (GetCurrentConsoleFontEx(hOutput, FALSE, &cfi)) // Only works for ConHost
{
result->width = result->columns * (uint16_t) cfi.dwFontSize.X;
result->height = result->rows * (uint16_t) cfi.dwFontSize.Y;
}
if (result->width == 0 || result->height == 0) {
// Windows Terminal doesn't report `\e` for some reason
ffGetTerminalResponse("\e[14t", 2, "%*[^;];%hu;%hut", &result->height, &result->width);
}
}
return result->columns > 0 && result->rows > 0;
}
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