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