// System headers
#include <windows.h>
// Standard library C-style
#include <wchar.h>
#include <stdlib.h>
#include <stdio.h>
#define ESC "\x1b"
#define CSI "\x1b["
bool EnableVTMode()
{
// Set output mode to handle virtual terminal sequences
HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);
if (hOut == INVALID_HANDLE_VALUE)
{
return false;
}
DWORD dwMode = 0;
if (!GetConsoleMode(hOut, &dwMode))
{
return false;
}
dwMode |= ENABLE_VIRTUAL_TERMINAL_PROCESSING;
if (!SetConsoleMode(hOut, dwMode))
{
return false;
}
return true;
}
void PrintVerticalBorder()
{
printf(ESC "(0"); // Enter Line drawing mode
printf(CSI "104;93m"); // bright yellow on bright blue
printf("x"); // in line drawing mode, \x78 -> \u2502 "Vertical Bar"
printf(CSI "0m"); // restore color
printf(ESC "(B"); // exit line drawing mode
}
void PrintHorizontalBorder(COORD const Size, bool fIsTop)
{
printf(ESC "(0"); // Enter Line drawing mode
printf(CSI "104;93m"); // Make the border bright yellow on bright blue
printf(fIsTop ? "l" : "m"); // print left corner
for (int i = 1; i < Size.X - 1; i++)
printf("q"); // in line drawing mode, \x71 -> \u2500 "HORIZONTAL SCAN LINE-5"
printf(fIsTop ? "k" : "j"); // print right corner
printf(CSI "0m");
printf(ESC "(B"); // exit line drawing mode
}
void PrintStatusLine(const char* const pszMessage, COORD const Size)
{
printf(CSI "%d;1H", Size.Y);
printf(CSI "K"); // clear the line
printf(pszMessage);
}
int __cdecl wmain(int argc, WCHAR* argv[])
{
argc; // unused
argv; // unused
//First, enable VT mode
bool fSuccess = EnableVTMode();
if (!fSuccess)
{
printf("Unable to enter VT processing mode. Quitting.\n");
return -1;
}
HANDLE hOut = GetStdHandle(STD_OUTPUT_HANDLE);
if (hOut == INVALID_HANDLE_VALUE)
{
printf("Couldn't get the console handle. Quitting.\n");
return -1;
}
CONSOLE_SCREEN_BUFFER_INFO ScreenBufferInfo;
GetConsoleScreenBufferInfo(hOut, &ScreenBufferInfo);
COORD Size;
Size.X = ScreenBufferInfo.srWindow.Right - ScreenBufferInfo.srWindow.Left + 1;
Size.Y = ScreenBufferInfo.srWindow.Bottom - ScreenBufferInfo.srWindow.Top + 1;
// Enter the alternate buffer
printf(CSI "?1049h");
// Clear screen, tab stops, set, stop at columns 16, 32
printf(CSI "1;1H");
printf(CSI "2J"); // Clear screen
int iNumTabStops = 4; // (0, 20, 40, width)
printf(CSI "3g"); // clear all tab stops
printf(CSI "1;20H"); // Move to column 20
printf(ESC "H"); // set a tab stop
printf(CSI "1;40H"); // Move to column 40
printf(ESC "H"); // set a tab stop
// Set scrolling margins to 3, h-2
printf(CSI "3;%dr", Size.Y - 2);
int iNumLines = Size.Y - 4;
printf(CSI "1;1H");
printf(CSI "102;30m");
printf("Windows 10 Anniversary Update - VT Example");
printf(CSI "0m");
// Print a top border - Yellow
printf(CSI "2;1H");
PrintHorizontalBorder(Size, true);
// // Print a bottom border
printf(CSI "%d;1H", Size.Y - 1);
PrintHorizontalBorder(Size, false);
wchar_t wch;
// draw columns
printf(CSI "3;1H");
int line = 0;
for (line = 0; line < iNumLines * iNumTabStops; line++)
{
PrintVerticalBorder();
if (line + 1 != iNumLines * iNumTabStops) // don't advance to next line if this is the last line
printf("\t"); // advance to next tab stop
}
PrintStatusLine("Press any key to see text printed between tab stops.", Size);
wch = _getwch();
// Fill columns with output
printf(CSI "3;1H");
for (line = 0; line < iNumLines; line++)
{
int tab = 0;
for (tab = 0; tab < iNumTabStops - 1; tab++)
{
PrintVerticalBorder();
printf("line=%d", line);
printf("\t"); // advance to next tab stop
}
PrintVerticalBorder();// print border at right side
if (line + 1 != iNumLines)
printf("\t"); // advance to next tab stop, (on the next line)
}
PrintStatusLine("Press any key to demonstrate scroll margins", Size);
wch = _getwch();
printf(CSI "3;1H");
for (line = 0; line < iNumLines * 2; line++)
{
printf(CSI "K"); // clear the line
int tab = 0;
for (tab = 0; tab < iNumTabStops - 1; tab++)
{
PrintVerticalBorder();
printf("line=%d", line);
printf("\t"); // advance to next tab stop
}
PrintVerticalBorder(); // print border at right side
if (line + 1 != iNumLines * 2)
{
printf("\n"); //Advance to next line. If we're at the bottom of the margins, the text will scroll.
printf("\r"); //return to first col in buffer
}
}
PrintStatusLine("Press any key to exit", Size);
wch = _getwch();
// Exit the alternate buffer
printf(CSI "?1049l");
}
