Qt: Implement browse button for BIOS path

src/duckstation-qt/consolesettingswidget.cpp

@@ -1,5 +1,8 @@
 #include "consolesettingswidget.h"
 #include "settingwidgetbinder.h"
+#include <QtWidgets/QFileDialog>
+
+static constexpr char BIOS_IMAGE_FILTER[] = "Binary Images (*.bin);;All Files (*.*)";
 
 ConsoleSettingsWidget::ConsoleSettingsWidget(QtHostInterface* host_interface, QWidget* parent /* = nullptr */)
   : QWidget(parent), m_host_interface(host_interface)
@@ -14,6 +17,20 @@ ConsoleSettingsWidget::ConsoleSettingsWidget(QtHostInterface* host_interface, QW
   SettingWidgetBinder::BindWidgetToBoolSetting(m_host_interface, m_ui.enableSpeedLimiter,
                                                "General/SpeedLimiterEnabled");
   SettingWidgetBinder::BindWidgetToBoolSetting(m_host_interface, m_ui.pauseOnStart, "General/StartPaused");
+
+  connect(m_ui.biosPathBrowse, &QPushButton::pressed, this, &ConsoleSettingsWidget::onBrowseBIOSPathButtonClicked);
 }
 
 ConsoleSettingsWidget::~ConsoleSettingsWidget() = default;
+
+void ConsoleSettingsWidget::onBrowseBIOSPathButtonClicked()
+{
+  QString path = QFileDialog::getOpenFileName(this, tr("Select BIOS Image"), QString(), tr(BIOS_IMAGE_FILTER));
+  if (path.isEmpty())
+    return;
+
+  m_ui.biosPath->setText(path);
+
+  m_host_interface->putSettingValue("BIOS/Path", path);
+  m_host_interface->applySettings();
+}

src/duckstation-qt/consolesettingswidget.h

@@ -14,6 +14,9 @@ public:
   explicit ConsoleSettingsWidget(QtHostInterface* host_interface, QWidget* parent = nullptr);
   ~ConsoleSettingsWidget();
 
+private Q_SLOTS:
+  void onBrowseBIOSPathButtonClicked();
+
 private:
   Ui::ConsoleSettingsWidget m_ui;