Qt: Support Qt 6

src/duckstation-qt/autoupdaterdialog.cpp

@@ -354,7 +354,9 @@ void AutoUpdaterDialog::downloadUpdateClicked()
 {
   QUrl url(m_download_url);
   QNetworkRequest request(url);
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
   request.setAttribute(QNetworkRequest::FollowRedirectsAttribute, true);
+#endif
   QNetworkReply* reply = m_network_access_mgr->get(request);
 
   QProgressDialog progress(tr("Downloading %1...").arg(m_download_url), tr("Cancel"), 0, 1);

src/duckstation-qt/duckstation-qt.vcxproj

@@ -563,8 +563,9 @@
       <SubSystem>Windows</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <AdditionalLibraryDirectories>$(SolutionDir)dep\msvc\lib32-debug;$(SolutionDir)dep\msvc\qt5-x86\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
-      <AdditionalDependencies>Qt5Cored.lib;Qt5Guid.lib;Qt5Widgetsd.lib;Qt5Networkd.lib;qtmain.lib;dxgi.lib;d3d11.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>dxgi.lib;d3d11.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
+    <ProjectReference />
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <ClCompile>
@@ -585,8 +586,9 @@
       <SubSystem>Windows</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <AdditionalLibraryDirectories>$(SolutionDir)dep\msvc\lib64-debug;$(SolutionDir)dep\msvc\qt5-x64\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
-      <AdditionalDependencies>Qt5Cored.lib;Qt5Guid.lib;Qt5Widgetsd.lib;Qt5Networkd.lib;qtmain.lib;dxgi.lib;d3d11.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>dxgi.lib;d3d11.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
+    <ProjectReference />
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM64'">
     <ClCompile>
@@ -607,8 +609,9 @@
       <SubSystem>Windows</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <AdditionalLibraryDirectories>$(SolutionDir)dep\msvc\lib64-debug;$(SolutionDir)dep\msvc\qt5-x64\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
-      <AdditionalDependencies>Qt5Cored.lib;Qt5Guid.lib;Qt5Widgetsd.lib;Qt5Networkd.lib;qtmain.lib;dxgi.lib;d3d11.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>dxgi.lib;d3d11.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
+    <ProjectReference />
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='DebugFast|Win32'">
     <ClCompile>
@@ -631,8 +634,9 @@
       <SubSystem>Windows</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <AdditionalLibraryDirectories>$(SolutionDir)dep\msvc\lib32-debug;$(SolutionDir)dep\msvc\qt5-x86\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
-      <AdditionalDependencies>Qt5Cored.lib;Qt5Guid.lib;Qt5Widgetsd.lib;Qt5Networkd.lib;qtmain.lib;d3d11.lib;dxgi.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>d3d11.lib;dxgi.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
+    <ProjectReference />
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='DebugFast|x64'">
     <ClCompile>
@@ -655,8 +659,9 @@
       <SubSystem>Windows</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <AdditionalLibraryDirectories>$(SolutionDir)dep\msvc\lib64-debug;$(SolutionDir)dep\msvc\qt5-x64\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
-      <AdditionalDependencies>Qt5Cored.lib;Qt5Guid.lib;Qt5Widgetsd.lib;Qt5Networkd.lib;qtmain.lib;d3d11.lib;dxgi.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>d3d11.lib;dxgi.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
+    <ProjectReference />
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='DebugFast|ARM64'">
     <ClCompile>
@@ -679,8 +684,9 @@
       <SubSystem>Windows</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <AdditionalLibraryDirectories>$(SolutionDir)dep\msvc\lib64-debug;$(SolutionDir)dep\msvc\qt5-x64\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
-      <AdditionalDependencies>Qt5Cored.lib;Qt5Guid.lib;Qt5Widgetsd.lib;Qt5Networkd.lib;qtmain.lib;d3d11.lib;dxgi.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>d3d11.lib;dxgi.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
+    <ProjectReference />
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <ClCompile>
@@ -702,9 +708,10 @@
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
       <AdditionalLibraryDirectories>$(SolutionDir)dep\msvc\lib32;$(SolutionDir)dep\msvc\qt5-x86\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
-      <AdditionalDependencies>Qt5Core.lib;Qt5Gui.lib;Qt5Widgets.lib;Qt5Network.lib;qtmain.lib;dxgi.lib;d3d11.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>dxgi.lib;d3d11.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <LinkTimeCodeGeneration>Default</LinkTimeCodeGeneration>
     </Link>
+    <ProjectReference />
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='ReleaseLTCG|Win32'">
     <ClCompile>
@@ -727,9 +734,10 @@
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
       <AdditionalLibraryDirectories>$(SolutionDir)dep\msvc\lib32;$(SolutionDir)dep\msvc\qt5-x86\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
-      <AdditionalDependencies>Qt5Core.lib;Qt5Gui.lib;Qt5Widgets.lib;Qt5Network.lib;qtmain.lib;dxgi.lib;d3d11.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>dxgi.lib;d3d11.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <LinkTimeCodeGeneration>UseLinkTimeCodeGeneration</LinkTimeCodeGeneration>
     </Link>
+    <ProjectReference />
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <ClCompile>
@@ -751,9 +759,10 @@
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
       <AdditionalLibraryDirectories>$(SolutionDir)dep\msvc\lib64;$(SolutionDir)dep\msvc\qt5-x64\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
-      <AdditionalDependencies>Qt5Core.lib;Qt5Gui.lib;Qt5Widgets.lib;Qt5Network.lib;qtmain.lib;dxgi.lib;d3d11.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>dxgi.lib;d3d11.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <LinkTimeCodeGeneration>Default</LinkTimeCodeGeneration>
     </Link>
+    <ProjectReference />
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM64'">
     <ClCompile>
@@ -775,9 +784,10 @@
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
       <AdditionalLibraryDirectories>$(SolutionDir)dep\msvc\lib64;$(SolutionDir)dep\msvc\qt5-x64\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
-      <AdditionalDependencies>Qt5Core.lib;Qt5Gui.lib;Qt5Widgets.lib;Qt5Network.lib;qtmain.lib;dxgi.lib;d3d11.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>dxgi.lib;d3d11.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <LinkTimeCodeGeneration>Default</LinkTimeCodeGeneration>
     </Link>
+    <ProjectReference />
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='ReleaseLTCG|x64'">
     <ClCompile>
@@ -800,9 +810,10 @@
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
       <AdditionalLibraryDirectories>$(SolutionDir)dep\msvc\lib64;$(SolutionDir)dep\msvc\qt5-x64\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
-      <AdditionalDependencies>Qt5Core.lib;Qt5Gui.lib;Qt5Widgets.lib;Qt5Network.lib;qtmain.lib;dxgi.lib;d3d11.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>dxgi.lib;d3d11.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <LinkTimeCodeGeneration>UseLinkTimeCodeGeneration</LinkTimeCodeGeneration>
     </Link>
+    <ProjectReference />
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='ReleaseLTCG|ARM64'">
     <ClCompile>
@@ -825,9 +836,10 @@
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
       <AdditionalLibraryDirectories>$(SolutionDir)dep\msvc\lib64;$(SolutionDir)dep\msvc\qt5-x64\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
-      <AdditionalDependencies>Qt5Core.lib;Qt5Gui.lib;Qt5Widgets.lib;Qt5Network.lib;qtmain.lib;dxgi.lib;d3d11.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>dxgi.lib;d3d11.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <LinkTimeCodeGeneration>UseLinkTimeCodeGeneration</LinkTimeCodeGeneration>
     </Link>
+    <ProjectReference />
   </ItemDefinitionGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">

src/duckstation-qt/duckstation-qt.vcxproj.filters

@@ -82,6 +82,7 @@
     <ClCompile Include="achievementlogindialog.cpp" />
     <ClCompile Include="$(IntDir)moc_achievementlogindialog.cpp" />
     <ClCompile Include="collapsiblewidget.cpp" />
+    <ClCompile Include="$(IntDir)moc_collapsiblewidget.cpp" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="qtutils.h" />
@@ -220,4 +221,4 @@
       <Filter>translations</Filter>
     </QtTs>
   </ItemGroup>
-</Project>
+</Project>

src/duckstation-qt/main.cpp

@@ -63,10 +63,12 @@ int main(int argc, char* argv[])
   qRegisterMetaType<std::optional<bool>>();
   qRegisterMetaType<std::function<void()>>();
 
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
   QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
   QGuiApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
 #if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
   QGuiApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
+#endif
 #endif
 
   QApplication app(argc, argv);
@@ -114,3 +116,45 @@ int main(int argc, char* argv[])
   host_interface->Shutdown();
   return result;
 }
+
+#ifdef _WIN32
+
+// Apparently Qt6 got rid of this?
+#include "common/windows_headers.h"
+#include <shellapi.h>
+
+/*
+  WinMain() - Initializes Windows and calls user's startup function main().
+  NOTE: WinMain() won't be called if the application was linked as a "console"
+  application.
+*/
+
+// Convert a wchar_t to char string, equivalent to QString::toLocal8Bit()
+// when passed CP_ACP.
+static inline char* wideToMulti(unsigned int codePage, const wchar_t* aw)
+{
+  const int required = WideCharToMultiByte(codePage, 0, aw, -1, nullptr, 0, nullptr, nullptr);
+  char* result = new char[required];
+  WideCharToMultiByte(codePage, 0, aw, -1, result, required, nullptr, nullptr);
+  return result;
+}
+
+extern "C" int APIENTRY WinMain(HINSTANCE, HINSTANCE, LPSTR /*cmdParamarg*/, int /* cmdShow */)
+{
+  int argc = 0;
+  wchar_t** argvW = CommandLineToArgvW(GetCommandLineW(), &argc);
+  if (argvW == nullptr)
+    return -1;
+  char** argv = new char* [argc + 1];
+  for (int i = 0; i != argc; ++i)
+    argv[i] = wideToMulti(CP_ACP, argvW[i]);
+  argv[argc] = nullptr;
+  LocalFree(argvW);
+  const int exitCode = main(argc, argv);
+  for (int i = 0; (i != argc) && (argv[i] != nullptr); ++i)
+    delete[] argv[i];
+  delete[] argv;
+  return exitCode;
+}
+
+#endif

src/duckstation-qt/mainwindow.cpp

@@ -26,12 +26,17 @@
 #include <QtCore/QUrl>
 #include <QtGui/QCursor>
 #include <QtGui/QWindowStateChangeEvent>
-#include <QtWidgets/QActionGroup>
 #include <QtWidgets/QFileDialog>
 #include <QtWidgets/QMessageBox>
 #include <QtWidgets/QStyleFactory>
 #include <cmath>
 
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+#include <QtGui/QActionGroup>
+#else
+#include <QtWidgets/QActionGroup>
+#endif
+
 static constexpr char DISC_IMAGE_FILTER[] = QT_TRANSLATE_NOOP(
   "MainWindow",
   "All File Types (*.bin *.img *.iso *.cue *.chd *.ecm *.mds *.pbp *.exe *.psexe *.psf *.minipsf *.m3u);;Single-Track "

src/duckstation-qt/qtdisplaywidget.cpp

@@ -144,8 +144,9 @@ bool QtDisplayWidget::event(QEvent* event)
       if (!m_relative_mouse_enabled)
       {
         const qreal dpr = devicePixelRatioFromScreen();
-        const int scaled_x = static_cast<int>(static_cast<qreal>(mouse_event->x()) * dpr);
-        const int scaled_y = static_cast<int>(static_cast<qreal>(mouse_event->y()) * dpr);
+        const QPoint mouse_pos = mouse_event->pos();
+        const int scaled_x = static_cast<int>(static_cast<qreal>(mouse_pos.x()) * dpr);
+        const int scaled_y = static_cast<int>(static_cast<qreal>(mouse_pos.y()) * dpr);
 
         windowMouseMoveEvent(scaled_x, scaled_y);
       }

src/duckstation-qt/qthostinterface.cpp

@@ -53,6 +53,7 @@ Log_SetChannel(QtHostInterface);
 QtHostInterface::QtHostInterface(QObject* parent) : QObject(parent), CommonHostInterface()
 {
   qRegisterMetaType<std::shared_ptr<const SystemBootParameters>>();
+  qRegisterMetaType<const GameListEntry*>();
   qRegisterMetaType<GPURenderer>();
 }
 

src/duckstation-qt/qthostinterface.h

@@ -3,6 +3,7 @@
 #include "core/host_interface.h"
 #include "core/system.h"
 #include "frontend-common/common_host_interface.h"
+#include "frontend-common/game_list.h"
 #include "qtutils.h"
 #include <QtCore/QByteArray>
 #include <QtCore/QObject>
@@ -26,14 +27,13 @@ class QWidget;
 class QTimer;
 class QTranslator;
 
-class GameList;
-struct GameListEntry;
 class INISettingsInterface;
 
 class MainWindow;
 class QtDisplayWidget;
 
 Q_DECLARE_METATYPE(std::shared_ptr<const SystemBootParameters>);
+Q_DECLARE_METATYPE(const GameListEntry*);
 Q_DECLARE_METATYPE(GPURenderer);
 
 class QtHostInterface final : public QObject, public CommonHostInterface

src/duckstation-qt/qtutils.cpp

@@ -756,7 +756,7 @@ std::optional<unsigned> PromptForAddress(QWidget* parent, const QString& title,
   bool ok;
   uint address;
   if (address_str.startsWith("0x"))
-    address = address_str.midRef(2).toUInt(&ok, 16);
+    address = address_str.mid(2).toUInt(&ok, 16);
   else
     address = address_str.toUInt(&ok, 16);
   if (code)

src/duckstation-qt/settingwidgetbinder.h

@@ -5,7 +5,12 @@
 #include "core/settings.h"
 #include "qthostinterface.h"
 
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+#include <QtGui/QAction>
+#else
 #include <QtWidgets/QAction>
+#endif
+
 #include <QtWidgets/QCheckBox>
 #include <QtWidgets/QComboBox>
 #include <QtWidgets/QDoubleSpinBox>
@@ -62,7 +67,7 @@ struct SettingAccessor<QLineEdit>
 template<>
 struct SettingAccessor<QComboBox>
 {
-  static bool getBoolValue(const QComboBox* widget) { return widget->currentText() > 0; }
+  static bool getBoolValue(const QComboBox* widget) { return widget->currentIndex() > 0; }
   static void setBoolValue(QComboBox* widget, bool value) { widget->setCurrentIndex(value ? 1 : 0); }
 
   static int getIntValue(const QComboBox* widget) { return widget->currentIndex(); }
@@ -74,8 +79,13 @@ struct SettingAccessor<QComboBox>
   static QString getStringValue(const QComboBox* widget)
   {
     const QVariant currentData(widget->currentData());
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
     if (currentData.type() == QVariant::String)
       return currentData.toString();
+#else
+    if (currentData.metaType().id() == QMetaType::QString)
+      return currentData.toString();
+#endif
 
     return widget->currentText();
   }