From 23592af3cc861229ff96d5fb7e2cdbdf0aa91da7 Mon Sep 17 00:00:00 2001
From: Jeffrey Pfau <jeffrey@endrift.com>
Date: Sat, 18 Oct 2014 16:37:05 -0700
Subject: [PATCH] Add screenshot support

---
 src/platform/qt/Display.cpp |  8 ++++++++
 src/platform/qt/Display.h   |  3 +++
 src/platform/qt/Window.cpp  | 10 ++++++++++
 3 files changed, 21 insertions(+)

diff --git a/src/platform/qt/Display.cpp b/src/platform/qt/Display.cpp
index 8d0402933..aa2cbac38 100644
--- a/src/platform/qt/Display.cpp
+++ b/src/platform/qt/Display.cpp
@@ -64,6 +64,14 @@ void Display::forceDraw() {
 	}
 }
 
+#ifdef USE_PNG
+void Display::screenshot() {
+	GBAThreadInterrupt(m_context);
+	GBAThreadTakeScreenshot(m_context);
+	GBAThreadContinue(m_context);
+}
+#endif
+
 void Display::initializeGL() {
 	glClearColor(0, 0, 0, 0);
 	glClear(GL_COLOR_BUFFER_BIT);
diff --git a/src/platform/qt/Display.h b/src/platform/qt/Display.h
index 15929ce5e..7e38c08fc 100644
--- a/src/platform/qt/Display.h
+++ b/src/platform/qt/Display.h
@@ -20,6 +20,9 @@ public slots:
 	void startDrawing(const uint32_t* buffer, GBAThread* context);
 	void stopDrawing();
 	void forceDraw();
+#ifdef USE_PNG
+	void screenshot();
+#endif
 
 protected:
 	virtual void initializeGL() override;
diff --git a/src/platform/qt/Window.cpp b/src/platform/qt/Window.cpp
index b9066d78b..4edad8d44 100644
--- a/src/platform/qt/Window.cpp
+++ b/src/platform/qt/Window.cpp
@@ -241,6 +241,16 @@ void Window::setupMenu(QMenuBar* menubar) {
 	menubar->clear();
 	QMenu* fileMenu = menubar->addMenu(tr("&File"));
 	fileMenu->addAction(tr("Load &ROM..."), this, SLOT(selectROM()), QKeySequence::Open);
+	fileMenu->addSeparator();
+
+#ifdef USE_PNG
+	QAction* screenshot = new QAction(tr("Take &screenshot"), fileMenu);
+	screenshot->setShortcut(tr("F12"));
+	connect(screenshot, SIGNAL(triggered()), m_display, SLOT(screenshot()));
+	m_gameActions.append(screenshot);
+	fileMenu->addAction(screenshot);
+#endif
+
 #ifndef Q_OS_MAC
 	fileMenu->addSeparator();
 	fileMenu->addAction(tr("E&xit"), this, SLOT(close()), QKeySequence::Quit);