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// A test program for CreateConsoleScreenBuffer / SetConsoleActiveScreenBuffer
//
#include <windows.h>
#include <stdio.h>
#include <conio.h>
#include <io.h>
#include <cassert>
#include "TestUtil.cc"
int main()
{
HANDLE origBuffer = GetStdHandle(STD_OUTPUT_HANDLE);
HANDLE childBuffer = CreateConsoleScreenBuffer(
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, CONSOLE_TEXTMODE_BUFFER, NULL);
SetConsoleActiveScreenBuffer(childBuffer);
while (true) {
char buf[1024];
CONSOLE_SCREEN_BUFFER_INFO info;
assert(GetConsoleScreenBufferInfo(origBuffer, &info));
trace("child.size=(%d,%d)", (int)info.dwSize.X, (int)info.dwSize.Y);
trace("child.cursor=(%d,%d)", (int)info.dwCursorPosition.X, (int)info.dwCursorPosition.Y);
trace("child.window=(%d,%d,%d,%d)",
(int)info.srWindow.Left, (int)info.srWindow.Top,
(int)info.srWindow.Right, (int)info.srWindow.Bottom);
trace("child.maxSize=(%d,%d)", (int)info.dwMaximumWindowSize.X, (int)info.dwMaximumWindowSize.Y);
int ch = getch();
sprintf(buf, "%02x\n", ch);
DWORD actual = 0;
WriteFile(childBuffer, buf, strlen(buf), &actual, NULL);
if (ch == 0x1b/*ESC*/ || ch == 0x03/*CTRL-C*/)
break;
if (ch == 'b') {
setBufferSize(origBuffer, 40, 25);
} else if (ch == 'w') {
setWindowPos(origBuffer, 1, 1, 38, 23);
} else if (ch == 'c') {
setCursorPos(origBuffer, 10, 10);
}
}
SetConsoleActiveScreenBuffer(origBuffer);
return 0;
}
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