Qt: More updates.

qt/src/EmuCanvasOpenGL.cpp

@@ -49,7 +49,7 @@ void main()
 EmuCanvasOpenGL::EmuCanvasOpenGL(EmuConfig *config, QWidget *parent, QWidget *main_window)
     : EmuCanvas(config, parent, main_window)
 {
-    setMinimumSize(256, 224);
+    setMinimumSize(256 / devicePixelRatioF(), 224 / devicePixelRatioF());
     setUpdatesEnabled(false);
     setAutoFillBackground(false);
     setAttribute(Qt::WA_NoSystemBackground, true);

qt/src/EmuCanvasQt.cpp

@@ -8,7 +8,7 @@
 EmuCanvasQt::EmuCanvasQt(EmuConfig *config, QWidget *parent, QWidget *main_window)
     : EmuCanvas(config, parent, main_window)
 {
-    setMinimumSize(256, 224);
+    setMinimumSize(256 / devicePixelRatioF(), 224 / devicePixelRatioF());
 }
 
 EmuCanvasQt::~EmuCanvasQt()

qt/src/EmuCanvasVulkan.cpp

@@ -15,7 +15,7 @@ using namespace QNativeInterface;
 EmuCanvasVulkan::EmuCanvasVulkan(EmuConfig *config, QWidget *parent, QWidget *main_window)
     : EmuCanvas(config, parent, main_window)
 {
-    setMinimumSize(256, 224);
+    setMinimumSize(256 / devicePixelRatioF(), 224 / devicePixelRatioF());
     setUpdatesEnabled(false);
     setAutoFillBackground(false);
     setAttribute(Qt::WA_NoSystemBackground, true);

qt/src/EmuConfig.cpp

@@ -185,8 +185,20 @@ std::string EmuConfig::findConfigFile()
     return path.string();
 }
 
-void EmuConfig::setDefaults(int section)
+bool EmuConfig::setDefaults(int section)
 {
+    main_window_width = 640;
+    main_window_height = 480;
+
+    bool restart = false;
+    auto restart_set = [&](auto& dst, auto str) {
+        if (dst != str)
+        {
+            restart = true;
+            dst = str;
+        }
+    };
+
     if (section == -1 || section == 0)
     {
         // General
@@ -203,20 +215,22 @@ void EmuConfig::setDefaults(int section)
     if (section == -1 || section == 1)
     {
         // Display
-        display_driver = {};
-        display_device_index = 0;
+        restart_set(display_driver, "vulkan");
+        restart_set(display_device_index, 0);
         enable_vsync = true;
         ;
         bilinear_filter = true;
         ;
         reduce_input_lag = true;
         adjust_for_vrr = false;
-        use_shader = false;
+        restart_set(use_shader, false);
+        if (use_shader)
+            restart_set(shader, "");
+        else
             shader = {};
         last_shader_folder = {};
 
         scale_image = true;
-        ;
         maintain_aspect_ratio = true;
         use_integer_scaling = false;
         aspect_ratio_numerator = 4;
@@ -233,10 +247,10 @@ void EmuConfig::setDefaults(int section)
     if (section == -1 || section == 2)
     {
         // Sound
-        sound_driver = {};
+        restart_set(sound_driver, "cubeb");
         sound_device = {};
-        playback_rate = 48000;
-        audio_buffer_size_ms = 64;
+        restart_set(playback_rate, 48000);
+        restart_set(audio_buffer_size_ms, 64);
 
         adjust_input_rate_automatically = true;
         input_rate = 31979;
@@ -301,6 +315,8 @@ void EmuConfig::setDefaults(int section)
         patch_location = eROMDirectory;
         export_location = eROMDirectory;
     }
+
+    return restart;
 }
 
 void EmuConfig::config(std::string filename, bool write)

qt/src/EmuConfig.hpp

@@ -10,7 +10,7 @@ struct EmuConfig
 {
     static std::string findConfigFile();
     static std::string findConfigDir();
-    void setDefaults(int section = -1);
+    bool setDefaults(int section = -1);
     void config(std::string filename, bool write);
     void loadFile(std::string filename)
     {

qt/src/EmuMainWindow.cpp

@@ -333,7 +333,8 @@ void EmuMainWindow::createWidgets()
 
 void EmuMainWindow::resizeToMultiple(int multiple)
 {
-    resize((224 * multiple) * app->config->aspect_ratio_numerator / app->config->aspect_ratio_denominator, (224 * multiple) + menuBar()->height());
+    double hidpi_height = 224 / devicePixelRatioF();
+    resize((hidpi_height * multiple) * app->config->aspect_ratio_numerator / app->config->aspect_ratio_denominator, (hidpi_height * multiple) + menuBar()->height());
 }
 
 void EmuMainWindow::setBypassCompositor(bool bypass)

qt/src/EmuSettingsWindow.cpp

@@ -45,9 +45,21 @@ EmuSettingsWindow::EmuSettingsWindow(QWidget *parent, EmuApplication *app_)
     });
 
     connect(defaultsButton, &QPushButton::clicked, [&](bool) {
-        app->config->setDefaults(stackedWidget->currentIndex());
+        auto section = stackedWidget->currentIndex();
+        bool restart_needed = app->config->setDefaults(stackedWidget->currentIndex());
         stackedWidget->currentWidget()->hide();
         stackedWidget->currentWidget()->show();
+
+        if (restart_needed)
+        {
+            if (section == 1) // Display
+                app->window->recreateCanvas();
+            else if (section == 2) // Sound
+                app->restartAudio();
+            else if (section == 4 || section == 5) // Controller Bindings
+                app->updateBindings();
+        }
+        app->updateSettings();
     });
 }
 
@@ -61,4 +73,5 @@ void EmuSettingsWindow::show(int page)
     stackedWidget->setCurrentIndex(page);
     if (!isVisible())
         open();
+    closeButton->setDefault(false);
 }

qt/src/EmuSettingsWindow.ui

@@ -114,6 +114,9 @@
     <layout class="QHBoxLayout" name="horizontalLayout">
      <item>
       <widget class="QPushButton" name="defaultsButton">
+       <property name="focusPolicy">
+        <enum>Qt::TabFocus</enum>
+       </property>
        <property name="text">
         <string>Restore Defaults</string>
        </property>
@@ -121,6 +124,9 @@
         <iconset theme="view-refresh">
          <normaloff>.</normaloff>.</iconset>
        </property>
+       <property name="autoDefault">
+        <bool>false</bool>
+       </property>
       </widget>
      </item>
      <item>