TerminalSize: add new module

src/detection/terminalsize/terminalsize.h

@@ -0,0 +1,18 @@
+#pragma once
+
+#ifndef FF_INCLUDED_detection_terminalsize_terminalsize
+#define FF_INCLUDED_detection_terminalsize_terminalsize
+
+#include "fastfetch.h"
+
+typedef struct FFTerminalSizeResult
+{
+    uint16_t rows;
+    uint16_t columns;
+    uint16_t width;
+    uint16_t height;
+} FFTerminalSizeResult;
+
+bool ffDetectTerminalSize(FFTerminalSizeResult* result);
+
+#endif

src/detection/terminalsize/terminalsize_linux.c

@@ -0,0 +1,26 @@
+#include "terminalsize.h"
+#include "common/io/io.h"
+
+#include <sys/ioctl.h>
+#include <unistd.h>
+
+bool ffDetectTerminalSize(FFTerminalSizeResult* result)
+{
+    struct winsize winsize = {};
+    ioctl(STDOUT_FILENO, TIOCGWINSZ, &winsize);
+
+    if (winsize.ws_row == 0 || winsize.ws_col == 0)
+        ffGetTerminalResponse("\033[18t", "\033[8;%hu;%hut", &winsize.ws_row, &winsize.ws_col);
+
+    if (winsize.ws_ypixel == 0 || winsize.ws_xpixel == 0)
+        ffGetTerminalResponse("\033[14t", "\033[4;%hu;%hut", &winsize.ws_ypixel, &winsize.ws_xpixel);
+
+    if (winsize.ws_row == 0 && winsize.ws_col == 0)
+        return false;
+
+    result->rows = winsize.ws_row;
+    result->columns = winsize.ws_col;
+    result->width = winsize.ws_xpixel;
+    result->height = winsize.ws_ypixel;
+    return true;
+}

src/detection/terminalsize/terminalsize_windows.c

@@ -0,0 +1,41 @@
+#include "terminalsize.h"
+#include "common/io/io.h"
+
+#include <windows.h>
+
+bool ffDetectTerminalSize(FFTerminalSizeResult* result)
+{
+    {
+        CONSOLE_SCREEN_BUFFER_INFO csbi;
+        if (GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &csbi))
+        {
+            result->columns = (uint16_t) (csbi.srWindow.Right - csbi.srWindow.Left + 1);
+            result->rows = (uint16_t) (csbi.srWindow.Bottom - csbi.srWindow.Top + 1);
+        }
+        else
+        {
+            ffGetTerminalResponse("\033[18t", "\033[8;%hu;%hut", &result->rows, &result->columns);
+        }
+    }
+
+    if (result->columns == 0 && result->rows == 0)
+        return false;
+
+    {
+        CONSOLE_FONT_INFO cfi;
+        if(GetCurrentConsoleFont(GetStdHandle(STD_OUTPUT_HANDLE), FALSE, &cfi)) // Only works for ConHost
+        {
+            result->width = result->columns * (uint16_t) cfi.dwFontSize.X;
+            result->height = result->rows * (uint16_t) cfi.dwFontSize.Y;
+        }
+        else
+        {
+            // Pending https://github.com/microsoft/terminal/issues/8581
+            // if (result->width == 0 && result->height == 0)
+            //     ffGetTerminalResponse("\033[14t", "\033[4;%hu;%hut", &result->height, &result->width);
+            return false;
+        }
+    }
+
+    return result->columns > 0 && result->rows > 0;
+}