@@ -18,6 +18,7 @@ - All: Enable static linking for OS X
  - All: Add --help flag for command line programs
  - Qt: Show version info in window title
  - Qt: Migrate multiplayer window handling into GBAApp
+ - Qt: Unified file opening and saving with last location
 
 0.2.1: (2015-05-13)
 Bugfixes:

@@ -5,10 +5,10 @@ * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "CheatsView.h"
 
+#include "GBAApp.h"
 #include "GameController.h"
 
 #include <QClipboard>
-#include <QFileDialog>
 
 extern "C" {
 #include "gba/cheats.h"
@@ -64,14 +64,14 @@ return false;
 }
 
 void CheatsView::load() {
-	QString filename = QFileDialog::getOpenFileName(this, tr("Select cheats file"));
+	QString filename = GBAApp::app()->getOpenFileName(this, tr("Select cheats file"));
 	if (!filename.isEmpty()) {
 		m_model.loadFile(filename);
 	}
 }
 
 void CheatsView::save() {
-	QString filename = QFileDialog::getSaveFileName(this, tr("Select cheats file"));
+	QString filename = GBAApp::app()->getSaveFileName(this, tr("Select cheats file"));
 	if (!filename.isEmpty()) {
 		m_model.saveFile(filename);
 	}

@@ -9,6 +9,8 @@ #include "AudioProcessor.h"
 #include "GameController.h"
 #include "Window.h"
 
+#include <QFileDialog>
+#include <QFileInfo>
 #include <QFileOpenEvent>
 
 extern "C" {
@@ -22,6 +24,7 @@ GBAApp* g_app = nullptr;
 
 GBAApp::GBAApp(int& argc, char* argv[])
 	: QApplication(argc, argv)
+	, m_windows{}
 {
 	g_app = this;
 
@@ -84,6 +87,44 @@ #endif
 	return w;
 }
 
-Window* GBAApp::newWindow() {
-	return g_app->newWindowInternal();
+GBAApp* GBAApp::app() {
+	return g_app;
+}
+
+void GBAApp::interruptAll() {
+	for (int i = 0; i < MAX_GBAS; ++i) {
+		if (!m_windows[i] || !m_windows[i]->controller()->isLoaded()) {
+			continue;
+		}
+		m_windows[i]->controller()->threadInterrupt();
+	}
+}
+
+void GBAApp::continueAll() {
+	for (int i = 0; i < MAX_GBAS; ++i) {
+		if (!m_windows[i] || !m_windows[i]->controller()->isLoaded()) {
+			continue;
+		}
+		m_windows[i]->controller()->threadContinue();
+	}
+}
+
+QString GBAApp::getOpenFileName(QWidget* owner, const QString& title, const QString& filter) {
+	interruptAll();
+	QString filename = QFileDialog::getOpenFileName(owner, title, m_configController.getQtOption("lastDirectory").toString(), filter);
+	continueAll();
+	if (!filename.isEmpty()) {
+		m_configController.setQtOption("lastDirectory", QFileInfo(filename).dir().path());
+	}
+	return filename;
+}
+
+QString GBAApp::getSaveFileName(QWidget* owner, const QString& title, const QString& filter) {
+	interruptAll();
+	QString filename = QFileDialog::getSaveFileName(owner, title, m_configController.getQtOption("lastDirectory").toString(), filter);
+	continueAll();
+	if (!filename.isEmpty()) {
+		m_configController.setQtOption("lastDirectory", QFileInfo(filename).dir().path());
+	}
+	return filename;
 }

@@ -25,8 +25,16 @@ Q_OBJECT
 
 public:
 	GBAApp(int& argc, char* argv[]);
+	static GBAApp* app();
+
+	Window* newWindow();
 
-	static Window* newWindow();
+	QString getOpenFileName(QWidget* owner, const QString& title, const QString& filter = QString());
+	QString getSaveFileName(QWidget* owner, const QString& title, const QString& filter = QString());
+
+public slots:
+	void interruptAll();
+	void continueAll();
 
 protected:
 	bool event(QEvent*);

@@ -7,7 +7,8 @@ #include "GIFView.h"
 
 #ifdef USE_MAGICK
 
-#include <QFileDialog>
+#include "GBAApp.h"
+
 #include <QMap>
 
 using namespace QGBA;
@@ -48,7 +49,7 @@ m_ui.start->setEnabled(true);
 }
 
 void GIFView::selectFile() {
-	QString filename = QFileDialog::getSaveFileName(this, tr("Select output file"));
+	QString filename = GBAApp::app()->getSaveFileName(this, tr("Select output file"), tr("Graphics Interchange Format (*.gif)"));
 	if (!filename.isEmpty()) {
 		m_ui.filename->setText(filename);
 		if (!ImageMagickGIFEncoderIsOpen(&m_encoder)) {

@@ -7,8 +7,7 @@ #include "SettingsView.h"
 
 #include "AudioProcessor.h"
 #include "ConfigController.h"
-
-#include <QFileDialog>
+#include "GBAApp.h"
 
 using namespace QGBA;
 
@@ -62,7 +61,7 @@ connect(m_ui.buttonBox, SIGNAL(accepted()), this, SLOT(updateConfig()));
 }
 
 void SettingsView::selectBios() {
-	QString filename = QFileDialog::getOpenFileName(this, tr("Select BIOS"));
+	QString filename = GBAApp::app()->getOpenFileName(this, tr("Select BIOS"));
 	if (!filename.isEmpty()) {
 		m_ui.bios->setText(filename);
 	}

@@ -7,7 +7,8 @@ #include "VideoView.h"
 
 #ifdef USE_FFMPEG
 
-#include <QFileDialog>
+#include "GBAApp.h"
+
 #include <QMap>
 
 using namespace QGBA;
@@ -212,7 +213,7 @@ validateSettings();
 }
 
 void VideoView::selectFile() {
-	QString filename = QFileDialog::getSaveFileName(this, tr("Select output file"));
+	QString filename = GBAApp::app()->getSaveFileName(this, tr("Select output file"));
 	if (!filename.isEmpty()) {
 		m_ui.filename->setText(filename);
 	}

@@ -5,8 +5,6 @@ * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "Window.h"
 
-#include <QFileDialog>
-#include <QFileInfo>
 #include <QKeyEvent>
 #include <QKeySequence>
 #include <QMenuBar>
@@ -197,10 +195,6 @@ m_config->write();
 }
 
 void Window::selectROM() {
-	bool doPause = m_controller->isLoaded() && !m_controller->isPaused();
-	if (doPause) {
-		m_controller->setPaused(true);
-	}
 	QStringList formats{
 		"*.gba",
 #ifdef USE_LIBZIP
@@ -212,27 +206,15 @@ #endif
 		"*.rom",
 		"*.bin"};
 	QString filter = tr("Game Boy Advance ROMs (%1)").arg(formats.join(QChar(' ')));
-	QString filename = QFileDialog::getOpenFileName(this, tr("Select ROM"), m_config->getQtOption("lastDirectory").toString(), filter);
-	if (doPause) {
-		m_controller->setPaused(false);
-	}
+	QString filename = GBAApp::app()->getOpenFileName(this, tr("Select ROM"), filter);
 	if (!filename.isEmpty()) {
-		m_config->setQtOption("lastDirectory", QFileInfo(filename).dir().path());
 		m_controller->loadGame(filename);
 	}
 }
 
 void Window::selectBIOS() {
-	bool doPause = m_controller->isLoaded() && !m_controller->isPaused();
-	if (doPause) {
-		m_controller->setPaused(true);
-	}
-	QString filename = QFileDialog::getOpenFileName(this, tr("Select BIOS"), m_config->getQtOption("lastDirectory").toString());
-	if (doPause) {
-		m_controller->setPaused(false);
-	}
+	QString filename = GBAApp::app()->getOpenFileName(this, tr("Select BIOS"));
 	if (!filename.isEmpty()) {
-		m_config->setQtOption("lastDirectory", QFileInfo(filename).dir().path());
 		m_config->setOption("bios", filename);
 		m_config->updateOption("bios");
 		m_config->setOption("useBios", true);
@@ -242,16 +224,8 @@ }
 }
 
 void Window::selectPatch() {
-	bool doPause = m_controller->isLoaded() && !m_controller->isPaused();
-	if (doPause) {
-		m_controller->setPaused(true);
-	}
-	QString filename = QFileDialog::getOpenFileName(this, tr("Select patch"), m_config->getQtOption("lastDirectory").toString(), tr("Patches (*.ips *.ups *.bps)"));
-	if (doPause) {
-		m_controller->setPaused(false);
-	}
+	QString filename = GBAApp::app()->getOpenFileName(this, tr("Select patch"), tr("Patches (*.ips *.ups *.bps)"));
 	if (!filename.isEmpty()) {
-		m_config->setQtOption("lastDirectory", QFileInfo(filename).dir().path());
 		m_controller->loadPatch(filename);
 	}
 }
@@ -633,7 +607,7 @@
 	fileMenu->addSeparator();
 	QAction* multiWindow = new QAction(tr("New multiplayer window"), fileMenu);
 	connect(multiWindow, &QAction::triggered, [this]() {
-		GBAApp::newWindow();
+		GBAApp::app()->newWindow();
 	});
 	addControlledAction(fileMenu, multiWindow, "multiWindow");