1 files changed, 127 insertions, 0 deletions
diff --git a/helpers/g15helper/g15helper_emu.cpp b/helpers/g15helper/g15helper_emu.cpp
new file mode 100644
index 000000000..16790a829
--- /dev/null
+++ b/helpers/g15helper/g15helper_emu.cpp
@@ -0,0 +1,127 @@
+// Copyright 2016-2022 The Mumble Developers. All rights reserved.
+// Use of this source code is governed by a BSD-style license
+// that can be found in the LICENSE file at the root of the
+// Mumble source tree or at <https://www.mumble.info/LICENSE>.
+
+/*
+ * G15 Helper Emulator
+ */
+
+#include <windows.h>
+#include <cstdio>
+
+#include <QApplication>
+
+#include "g15helper.h"
+#include "g15helper_emu.h"
+
+#if defined(Q_OS_WIN)
+#	include <fcntl.h>
+#	include <io.h>
+#endif
+
+G15Reader::G15Reader() : QThread() {
+	moveToThread(this);
+
+	m_isRunning = true;
+}
+
+G15Reader::~G15Reader() {
+	m_isRunning = false;
+}
+
+void G15Reader::run() {
+#if defined(Q_OS_WIN)
+	_setmode(_fileno(stdin), O_BINARY);
+#endif
+
+	quint8 buf[G15_MAX_FBMEM];
+
+	QImage img(QSize(G15_MAX_WIDTH, G15_MAX_HEIGHT), QImage::Format_RGB32);
+
+	while (m_isRunning) {
+		quint8 priority = 0;
+		size_t nread    = 0;
+		size_t ntotal   = 0;
+
+		memset(&buf, 0, G15_MAX_FBMEM);
+
+		nread = fread(&priority, 1, sizeof(priority), stdin);
+		if (nread <= 0) {
+			qFatal("g15helper_emu: unable to read stdin, retval %lli", static_cast< long long >(nread));
+		}
+
+		// The priority flag is not used by the emulator.
+		Q_UNUSED(priority);
+
+		do {
+			nread = fread(&buf[0] + ntotal, 1, G15_MAX_FBMEM - ntotal, stdin);
+			if (nread <= 0) {
+				qFatal("g15helper_emu: unable to read stdin, retval %lli", static_cast< long long >(nread));
+			}
+			ntotal += nread;
+		} while (ntotal < G15_MAX_FBMEM);
+
+		for (int w = 0; w < G15_MAX_WIDTH; w++) {
+			for (int h = 0; h < G15_MAX_HEIGHT; h++) {
+				quint8 color = buf[G15_MAX_WIDTH * h + w];
+				uint val     = 0xff000000;
+				if (color == 0xff) {
+					val = 0xffffffff;
+				}
+				img.setPixel(w, h, val);
+			}
+		}
+
+		QPixmap p = QPixmap::fromImage(img);
+
+		emit readFrame(p);
+	}
+}
+
+G15Emulator::G15Emulator() : QMainWindow() {
+	setWindowTitle(QLatin1String("Mumble G15 Emulator"));
+	setStyleSheet("QMainWindow {background: #cacaca;}");
+
+	m_displayLabel = new QLabel(this);
+	m_displayLabel->setMinimumSize(QSize(G15_MAX_WIDTH, G15_MAX_HEIGHT));
+	setCentralWidget(m_displayLabel);
+}
+
+void G15Emulator::drawFrame(QPixmap p) {
+	m_displayLabel->setPixmap(p);
+}
+
+int __stdcall WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) {
+	Q_UNUSED(hInstance);
+	Q_UNUSED(hPrevInstance);
+	Q_UNUSED(nCmdShow);
+
+	if (lpCmdLine && (strcmp(lpCmdLine, "/detect") == 0)) {
+		return 0;
+	} else if (!lpCmdLine || (strcmp(lpCmdLine, "/mumble") != 0)) {
+		MessageBox(nullptr, L"This program is run by Mumble, and should not be started separately.",
+				   L"Nothing to see here, move along", MB_OK | MB_ICONERROR);
+		return 0;
+	}
+
+	char *argvec[1];
+	argvec[0] = nullptr;
+
+	int argc    = 0;
+	char **argv = &argvec[0];
+
+	QApplication app(argc, argv);
+
+	G15Reader reader;
+	G15Emulator emu;
+
+	QObject::connect(&reader, SIGNAL(readFrame(QPixmap)), &emu, SLOT(drawFrame(QPixmap)));
+
+	reader.start();
+	emu.show();
+
+	app.exec();
+
+	return 0;
+}