Set pause when emulator lost focus

src/citra_qt/bootmanager.cpp

@@ -9,6 +9,7 @@
 #endif
 
 #include "citra_qt/bootmanager.h"
+#include "citra_qt/ui_settings.h"
 
 #include "common/key_map.h"
 #include "common/microprofile.h"
@@ -285,6 +286,14 @@ void GRenderWindow::OnMinimalClientAreaChangeRequest(const std::pair<unsigned,un
     setMinimumSize(minimal_size.first, minimal_size.second);
 }
 
+void GRenderWindow::focusInEvent(QFocusEvent*) {
+    if (emu_thread && UISettings::values.pause_onfocuslost) emit gotFocus();
+}
+
+void GRenderWindow::focusOutEvent(QFocusEvent*) {
+    if (emu_thread && UISettings::values.pause_onfocuslost) emit lostFocus();
+}
+
 void GRenderWindow::OnEmulationStarting(EmuThread* emu_thread) {
     this->emu_thread = emu_thread;
     child->DisablePainting();

src/citra_qt/bootmanager.h

@@ -136,10 +136,26 @@ public slots:
 signals:
     /// Emitted when the window is closed
     void Closed();
+    /// Emitted when the window got focus
+    void gotFocus();
+    /// Emitted when the window lost focus
+    void lostFocus();
 
 private:
     void OnMinimalClientAreaChangeRequest(const std::pair<unsigned,unsigned>& minimal_size) override;
 
+    /**
+     * Capture focus gain to unset pause
+     * @param event
+     */
+    void focusInEvent(QFocusEvent*) override;
+
+    /**
+     * Capture focus lost to set pause
+     * @param event
+     */
+    void focusOutEvent(QFocusEvent*) override;
+
     GGLWidgetInternal* child;
 
     QByteArray geometry;

src/citra_qt/config.cpp

@@ -116,6 +116,7 @@ void Config::ReadValues() {
 
     UISettings::values.single_window_mode = qt_config->value("singleWindowMode", true).toBool();
     UISettings::values.display_titlebar = qt_config->value("displayTitleBars", true).toBool();
+    UISettings::values.pause_onfocuslost = qt_config->value("pauseOnFocusLost",false).toBool();
     UISettings::values.confirm_before_closing = qt_config->value("confirmClose",true).toBool();
     UISettings::values.first_start = qt_config->value("firstStart", true).toBool();
 
@@ -196,6 +197,7 @@ void Config::SaveValues() {
 
     qt_config->setValue("singleWindowMode", UISettings::values.single_window_mode);
     qt_config->setValue("displayTitleBars", UISettings::values.display_titlebar);
+    qt_config->setValue("pauseOnFocusLost", UISettings::values.pause_onfocuslost);
     qt_config->setValue("confirmClose", UISettings::values.confirm_before_closing);
     qt_config->setValue("firstStart", UISettings::values.first_start);
 

src/citra_qt/configure_general.cpp

@@ -21,6 +21,7 @@ ConfigureGeneral::~ConfigureGeneral() {
 
 void ConfigureGeneral::setConfiguration() {
     ui->toogle_deepscan->setChecked(UISettings::values.gamedir_deepscan);
+    ui->toogle_pause_onfocuslost->setChecked(UISettings::values.pause_onfocuslost);
     ui->toogle_check_exit->setChecked(UISettings::values.confirm_before_closing);
     ui->region_combobox->setCurrentIndex(Settings::values.region_value);
     ui->toogle_hw_renderer->setChecked(Settings::values.use_hw_renderer);
@@ -30,6 +31,7 @@ void ConfigureGeneral::setConfiguration() {
 
 void ConfigureGeneral::applyConfiguration() {
     UISettings::values.gamedir_deepscan = ui->toogle_deepscan->isChecked();
+    UISettings::values.pause_onfocuslost = ui->toogle_pause_onfocuslost->isChecked();
     UISettings::values.confirm_before_closing = ui->toogle_check_exit->isChecked();
     Settings::values.region_value = ui->region_combobox->currentIndex();
     Settings::values.use_hw_renderer = ui->toogle_hw_renderer->isChecked();

src/citra_qt/configure_general.ui

@@ -31,6 +31,13 @@
             </property>
            </widget>
           </item>
+          <item>
+           <widget class="QCheckBox" name="toogle_pause_onfocuslost">
+            <property name="text">
+             <string>Pause on focus lost</string>
+            </property>
+           </widget>
+          </item>
           <item>
            <widget class="QCheckBox" name="toogle_check_exit">
             <property name="text">

src/citra_qt/main.cpp

@@ -186,6 +186,8 @@ GMainWindow::GMainWindow() : config(new Config()), emu_thread(nullptr)
     connect(this, SIGNAL(EmulationStarting(EmuThread*)), graphicsTracingWidget, SLOT(OnEmulationStarting(EmuThread*)));
     connect(this, SIGNAL(EmulationStopping()), graphicsTracingWidget, SLOT(OnEmulationStopping()));
 
+    connect(render_window, SIGNAL(gotFocus()), this, SLOT(OnStartGame()));
+    connect(render_window, SIGNAL(lostFocus()), this, SLOT(OnPauseGame()));
 
     // Setup hotkeys
     RegisterHotkey("Main Window", "Load File", QKeySequence::Open);
@@ -468,6 +470,8 @@ void GMainWindow::OnStartGame() {
 
     ui.action_Pause->setEnabled(true);
     ui.action_Stop->setEnabled(true);
+
+    render_window->setFocus();
 }
 
 void GMainWindow::OnPauseGame() {
@@ -487,7 +491,7 @@ void GMainWindow::ToggleWindowMode() {
         // Render in the main window...
         render_window->BackupGeometry();
         ui.horizontalLayout->addWidget(render_window);
-        render_window->setFocusPolicy(Qt::ClickFocus);
+        render_window->setFocusPolicy(Qt::StrongFocus);
         if (emulation_running) {
             render_window->setVisible(true);
             render_window->setFocus();
@@ -505,6 +509,7 @@ void GMainWindow::ToggleWindowMode() {
             game_list->show();
         }
     }
+    render_window->setFocus();
 }
 
 void GMainWindow::OnConfigure() {

src/citra_qt/ui_settings.h

@@ -29,6 +29,7 @@ struct Values {
     bool single_window_mode;
     bool display_titlebar;
 
+    bool pause_onfocuslost;
     bool confirm_before_closing;
     bool first_start;