Merge pull request #12080 from AdmiralCurtiss/windark

Add custom dark theme for Windows.

Source/Core/DolphinQt/CMakeLists.txt

@@ -12,6 +12,7 @@ if (MSVC)
 endif()
 
 set(CMAKE_AUTOMOC ON)
+set(CMAKE_AUTORCC ON)
 
 find_package(Qt6 REQUIRED COMPONENTS Core Gui Widgets Svg)
 message(STATUS "Found Qt version ${Qt6_VERSION}")
@@ -293,6 +294,8 @@ add_executable(dolphin-emu
   QtUtils/ParallelProgressDialog.h
   QtUtils/PartiallyClosableTabWidget.cpp
   QtUtils/PartiallyClosableTabWidget.h
+  QtUtils/SetWindowDecorations.cpp
+  QtUtils/SetWindowDecorations.h
   QtUtils/SignalBlocking.h
   QtUtils/UTF8CodePointCountValidator.cpp
   QtUtils/UTF8CodePointCountValidator.h
@@ -362,6 +365,12 @@ add_executable(dolphin-emu
   WiiUpdate.h
 )
 
+if (WIN32)
+  target_sources(dolphin-emu PRIVATE
+    Styles/Dark/dark.qrc
+  )
+endif()
+
 if (NOT WIN32)
   target_sources(dolphin-emu PRIVATE
     QtUtils/SignalDaemon.cpp
@@ -396,6 +405,7 @@ if (WIN32)
   PRIVATE
     gdi32.lib
     shell32.lib
+    dwmapi.lib # Needed to set window decorations for dark theme
   )
 endif()
 

Source/Core/DolphinQt/Config/ARCodeWidget.cpp

@@ -22,6 +22,7 @@
 #include "DolphinQt/Config/CheatCodeEditor.h"
 #include "DolphinQt/Config/CheatWarningWidget.h"
 #include "DolphinQt/QtUtils/NonDefaultQPushButton.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 
 #include "UICommon/GameFile.h"
 
@@ -230,6 +231,7 @@ void ARCodeWidget::OnCodeAddClicked()
 
   CheatCodeEditor ed(this);
   ed.SetARCode(&ar);
+  SetQWidgetWindowDecorations(&ed);
   if (ed.exec() == QDialog::Rejected)
     return;
 
@@ -253,6 +255,7 @@ void ARCodeWidget::OnCodeEditClicked()
   {
     ed.SetARCode(&current_ar);
 
+    SetQWidgetWindowDecorations(&ed);
     if (ed.exec() == QDialog::Rejected)
       return;
   }
@@ -261,6 +264,7 @@ void ARCodeWidget::OnCodeEditClicked()
     ActionReplay::ARCode ar = current_ar;
     ed.SetARCode(&ar);
 
+    SetQWidgetWindowDecorations(&ed);
     if (ed.exec() == QDialog::Rejected)
       return;
 

Source/Core/DolphinQt/Config/CommonControllersWidget.cpp

@@ -13,6 +13,7 @@
 
 #include "DolphinQt/Config/ControllerInterface/ControllerInterfaceWindow.h"
 #include "DolphinQt/QtUtils/NonDefaultQPushButton.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/QtUtils/SignalBlocking.h"
 #include "DolphinQt/Settings.h"
 
@@ -59,6 +60,7 @@ void CommonControllersWidget::OnControllerInterfaceConfigure()
   ControllerInterfaceWindow* window = new ControllerInterfaceWindow(this);
   window->setAttribute(Qt::WA_DeleteOnClose, true);
   window->setWindowModality(Qt::WindowModality::WindowModal);
+  SetQWidgetWindowDecorations(window);
   window->show();
 }
 

Source/Core/DolphinQt/Config/ControllerInterface/DualShockUDPClientWidget.cpp

@@ -14,6 +14,7 @@
 #include "Common/Config/Config.h"
 #include "DolphinQt/Config/ControllerInterface/DualShockUDPClientAddServerDialog.h"
 #include "DolphinQt/QtUtils/NonDefaultQPushButton.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "InputCommon/ControllerInterface/DualShockUDPClient/DualShockUDPClient.h"
 
 DualShockUDPClientWidget::DualShockUDPClientWidget()
@@ -111,6 +112,7 @@ void DualShockUDPClientWidget::OnServerAdded()
   DualShockUDPClientAddServerDialog add_server_dialog(this);
   connect(&add_server_dialog, &DualShockUDPClientAddServerDialog::accepted, this,
           &DualShockUDPClientWidget::RefreshServerList);
+  SetQWidgetWindowDecorations(&add_server_dialog);
   add_server_dialog.exec();
 }
 

Source/Core/DolphinQt/Config/FilesystemWidget.cpp

@@ -25,6 +25,7 @@
 #include "DolphinQt/QtUtils/DolphinFileDialog.h"
 #include "DolphinQt/QtUtils/ModalMessageBox.h"
 #include "DolphinQt/QtUtils/ParallelProgressDialog.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/Resources.h"
 
 #include "UICommon/UICommon.h"
@@ -364,6 +365,7 @@ void FilesystemWidget::ExtractDirectory(const DiscIO::Partition& partition, cons
     dialog.Reset();
   });
 
+  SetQWidgetWindowDecorations(dialog.GetRaw());
   dialog.GetRaw()->exec();
   future.get();
 }

Source/Core/DolphinQt/Config/FreeLookWidget.cpp

@@ -17,6 +17,7 @@
 #include "DolphinQt/Config/Mapping/MappingWindow.h"
 #include "DolphinQt/Config/ToolTipControls/ToolTipCheckBox.h"
 #include "DolphinQt/QtUtils/NonDefaultQPushButton.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/Settings.h"
 
 FreeLookWidget::FreeLookWidget(QWidget* parent) : QWidget(parent)
@@ -97,6 +98,7 @@ void FreeLookWidget::OnFreeLookControllerConfigured()
   MappingWindow* window = new MappingWindow(this, MappingWindow::Type::MAPPING_FREELOOK, index);
   window->setAttribute(Qt::WA_DeleteOnClose, true);
   window->setWindowModality(Qt::WindowModality::WindowModal);
+  SetQWidgetWindowDecorations(window);
   window->show();
 }
 

Source/Core/DolphinQt/Config/GameConfigHighlighter.cpp

@@ -3,6 +3,11 @@
 
 #include "DolphinQt/Config/GameConfigHighlighter.h"
 
+#include <QBrush>
+#include <QColor>
+
+#include "DolphinQt/Settings.h"
+
 struct HighlightingRule
 {
   QRegularExpression pattern;
@@ -13,22 +18,36 @@ GameConfigHighlighter::~GameConfigHighlighter() = default;
 
 GameConfigHighlighter::GameConfigHighlighter(QTextDocument* parent) : QSyntaxHighlighter(parent)
 {
+  const bool is_dark_theme = Settings::Instance().IsThemeDark();
+
   QTextCharFormat equal_format;
-  equal_format.setForeground(Qt::red);
+  if (is_dark_theme)
+    equal_format.setForeground(QBrush{QColor(255, 96, 96)});
+  else
+    equal_format.setForeground(Qt::red);
 
   QTextCharFormat section_format;
   section_format.setFontWeight(QFont::Bold);
 
   QTextCharFormat comment_format;
-  comment_format.setForeground(Qt::darkGreen);
+  if (is_dark_theme)
+    comment_format.setForeground(QBrush{QColor(0, 220, 0)});
+  else
+    comment_format.setForeground(Qt::darkGreen);
   comment_format.setFontItalic(true);
 
   QTextCharFormat const_format;
   const_format.setFontWeight(QFont::Bold);
-  const_format.setForeground(Qt::blue);
+  if (is_dark_theme)
+    const_format.setForeground(QBrush{QColor(132, 132, 255)});
+  else
+    const_format.setForeground(Qt::blue);
 
   QTextCharFormat num_format;
-  num_format.setForeground(Qt::darkBlue);
+  if (is_dark_theme)
+    num_format.setForeground(QBrush{QColor(66, 138, 255)});
+  else
+    num_format.setForeground(Qt::darkBlue);
 
   m_rules.emplace_back(HighlightingRule{QRegularExpression(QStringLiteral("=")), equal_format});
   m_rules.emplace_back(

Source/Core/DolphinQt/Config/GamecubeControllersWidget.cpp

@@ -24,6 +24,7 @@
 #include "DolphinQt/Config/Mapping/GCPadWiiUConfigDialog.h"
 #include "DolphinQt/Config/Mapping/MappingWindow.h"
 #include "DolphinQt/QtUtils/NonDefaultQPushButton.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/QtUtils/SignalBlocking.h"
 #include "DolphinQt/Settings.h"
 
@@ -137,8 +138,12 @@ void GamecubeControllersWidget::OnGCPadConfigure(size_t index)
     type = MappingWindow::Type::MAPPING_GCPAD;
     break;
   case SerialInterface::SIDEVICE_WIIU_ADAPTER:
-    GCPadWiiUConfigDialog(static_cast<int>(index), this).exec();
+  {
+    GCPadWiiUConfigDialog dialog(static_cast<int>(index), this);
+    SetQWidgetWindowDecorations(&dialog);
+    dialog.exec();
     return;
+  }
   case SerialInterface::SIDEVICE_GC_STEERING:
     type = MappingWindow::Type::MAPPING_GC_STEERINGWHEEL;
     break;
@@ -161,6 +166,7 @@ void GamecubeControllersWidget::OnGCPadConfigure(size_t index)
   MappingWindow* window = new MappingWindow(this, type, static_cast<int>(index));
   window->setAttribute(Qt::WA_DeleteOnClose, true);
   window->setWindowModality(Qt::WindowModality::WindowModal);
+  SetQWidgetWindowDecorations(window);
   window->show();
 }
 

Source/Core/DolphinQt/Config/GeckoCodeWidget.cpp

@@ -28,6 +28,7 @@
 #include "DolphinQt/Config/CheatWarningWidget.h"
 #include "DolphinQt/QtUtils/ModalMessageBox.h"
 #include "DolphinQt/QtUtils/NonDefaultQPushButton.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 
 #include "UICommon/GameFile.h"
 
@@ -201,6 +202,7 @@ void GeckoCodeWidget::AddCode()
 
   CheatCodeEditor ed(this);
   ed.SetGeckoCode(&code);
+  SetQWidgetWindowDecorations(&ed);
   if (ed.exec() == QDialog::Rejected)
     return;
 
@@ -219,6 +221,7 @@ void GeckoCodeWidget::EditCode()
 
   CheatCodeEditor ed(this);
   ed.SetGeckoCode(&m_gecko_codes[index]);
+  SetQWidgetWindowDecorations(&ed);
   if (ed.exec() == QDialog::Rejected)
     return;
 

Source/Core/DolphinQt/Config/Graphics/EnhancementsWidget.cpp

@@ -22,6 +22,7 @@
 #include "DolphinQt/Config/Graphics/GraphicsWindow.h"
 #include "DolphinQt/Config/Graphics/PostProcessingConfigWindow.h"
 #include "DolphinQt/QtUtils/NonDefaultQPushButton.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/Settings.h"
 
 #include "VideoCommon/PostProcessing.h"
@@ -570,11 +571,15 @@ void EnhancementsWidget::AddDescriptions()
 
 void EnhancementsWidget::ConfigureColorCorrection()
 {
-  ColorCorrectionConfigWindow(this).exec();
+  ColorCorrectionConfigWindow dialog(this);
+  SetQWidgetWindowDecorations(&dialog);
+  dialog.exec();
 }
 
 void EnhancementsWidget::ConfigurePostProcessingShader()
 {
   const std::string shader = Config::Get(Config::GFX_ENHANCE_POST_SHADER);
-  PostProcessingConfigWindow(this, shader).exec();
+  PostProcessingConfigWindow dialog(this, shader);
+  SetQWidgetWindowDecorations(&dialog);
+  dialog.exec();
 }

Source/Core/DolphinQt/Config/Graphics/GeneralWidget.cpp

@@ -24,6 +24,7 @@
 #include "DolphinQt/Config/Graphics/GraphicsWindow.h"
 #include "DolphinQt/Config/ToolTipControls/ToolTipComboBox.h"
 #include "DolphinQt/QtUtils/ModalMessageBox.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/Settings.h"
 
 #include "VideoCommon/VideoBackendBase.h"
@@ -164,6 +165,7 @@ void GeneralWidget::SaveSettings()
       confirm_sw.setWindowTitle(tr("Confirm backend change"));
       confirm_sw.setText(tr(warningMessage->c_str()));
 
+      SetQWidgetWindowDecorations(&confirm_sw);
       if (confirm_sw.exec() != QMessageBox::Yes)
       {
         m_backend_combo->setCurrentIndex(m_backend_combo->findData(

Source/Core/DolphinQt/Config/Mapping/FreeLookRotation.cpp

@@ -11,6 +11,7 @@
 
 #include "Core/FreeLookManager.h"
 #include "DolphinQt/Config/ControllerInterface/ControllerInterfaceWindow.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "InputCommon/InputConfig.h"
 
 FreeLookRotation::FreeLookRotation(MappingWindow* window) : MappingWidget(window)
@@ -33,6 +34,7 @@ void FreeLookRotation::CreateMainLayout()
     ControllerInterfaceWindow* window = new ControllerInterfaceWindow(this);
     window->setAttribute(Qt::WA_DeleteOnClose, true);
     window->setWindowModality(Qt::WindowModality::WindowModal);
+    SetQWidgetWindowDecorations(window);
     window->show();
   });
   m_main_layout->addLayout(alternate_input_layout, 0, 0, 1, -1);

Source/Core/DolphinQt/Config/Mapping/IOWindow.cpp

@@ -6,6 +6,8 @@
 #include <optional>
 #include <thread>
 
+#include <QBrush>
+#include <QColor>
 #include <QComboBox>
 #include <QDialogButtonBox>
 #include <QHeaderView>
@@ -38,7 +40,6 @@
 
 namespace
 {
-// TODO: Make sure these functions return colors that will be visible in the current theme.
 QTextCharFormat GetSpecialCharFormat()
 {
   QTextCharFormat format;
@@ -49,7 +50,10 @@ QTextCharFormat GetSpecialCharFormat()
 QTextCharFormat GetLiteralCharFormat()
 {
   QTextCharFormat format;
-  format.setForeground(QBrush{Qt::darkMagenta});
+  if (Settings::Instance().IsThemeDark())
+    format.setForeground(QBrush{QColor(171, 132, 219)});
+  else
+    format.setForeground(QBrush{Qt::darkMagenta});
   return format;
 }
 
@@ -57,35 +61,50 @@ QTextCharFormat GetInvalidCharFormat()
 {
   QTextCharFormat format;
   format.setUnderlineStyle(QTextCharFormat::WaveUnderline);
-  format.setUnderlineColor(Qt::darkRed);
+  if (Settings::Instance().IsThemeDark())
+    format.setUnderlineColor(QColor(255, 69, 0));
+  else
+    format.setUnderlineColor(Qt::darkRed);
   return format;
 }
 
 QTextCharFormat GetControlCharFormat()
 {
   QTextCharFormat format;
-  format.setForeground(QBrush{Qt::darkGreen});
+  if (Settings::Instance().IsThemeDark())
+    format.setForeground(QBrush{QColor(0, 220, 0)});
+  else
+    format.setForeground(QBrush{Qt::darkGreen});
   return format;
 }
 
 QTextCharFormat GetVariableCharFormat()
 {
   QTextCharFormat format;
-  format.setForeground(QBrush{Qt::darkYellow});
+  if (Settings::Instance().IsThemeDark())
+    format.setForeground(QBrush{QColor(226, 226, 0)});
+  else
+    format.setForeground(QBrush{Qt::darkYellow});
   return format;
 }
 
 QTextCharFormat GetBarewordCharFormat()
 {
   QTextCharFormat format;
-  format.setForeground(QBrush{Qt::darkBlue});
+  if (Settings::Instance().IsThemeDark())
+    format.setForeground(QBrush{QColor(66, 138, 255)});
+  else
+    format.setForeground(QBrush{Qt::darkBlue});
   return format;
 }
 
 QTextCharFormat GetCommentCharFormat()
 {
   QTextCharFormat format;
-  format.setForeground(QBrush{Qt::darkGray});
+  if (Settings::Instance().IsThemeDark())
+    format.setForeground(QBrush{QColor(176, 176, 176)});
+  else
+    format.setForeground(QBrush{Qt::darkGray});
   return format;
 }
 }  // namespace

Source/Core/DolphinQt/Config/Mapping/MappingButton.cpp

@@ -12,6 +12,7 @@
 #include "DolphinQt/Config/Mapping/MappingCommon.h"
 #include "DolphinQt/Config/Mapping/MappingWidget.h"
 #include "DolphinQt/Config/Mapping/MappingWindow.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 
 #include "InputCommon/ControlReference/ControlReference.h"
 #include "InputCommon/ControllerEmu/ControlGroup/Buttons.h"
@@ -97,6 +98,7 @@ void MappingButton::AdvancedPressed()
 {
   IOWindow io(m_parent, m_parent->GetController(), m_reference,
               m_reference->IsInput() ? IOWindow::Type::Input : IOWindow::Type::Output);
+  SetQWidgetWindowDecorations(&io);
   io.exec();
 
   ConfigChanged();

Source/Core/DolphinQt/Config/Mapping/MappingWidget.cpp

@@ -16,6 +16,7 @@
 #include "DolphinQt/Config/Mapping/MappingIndicator.h"
 #include "DolphinQt/Config/Mapping/MappingNumeric.h"
 #include "DolphinQt/Config/Mapping/MappingWindow.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 
 #include "InputCommon/ControlReference/ControlReference.h"
 #include "InputCommon/ControllerEmu/Control/Control.h"
@@ -248,6 +249,7 @@ void MappingWidget::ShowAdvancedControlGroupDialog(ControllerEmu::ControlGroup*
   // Enable "Close" button functionality.
   connect(button_box, &QDialogButtonBox::rejected, &dialog, &QDialog::reject);
 
+  SetQWidgetWindowDecorations(&dialog);
   dialog.exec();
 }
 
@@ -303,6 +305,7 @@ MappingWidget::CreateSettingAdvancedMappingButton(ControllerEmu::NumericSettingB
       setting.SetExpressionFromValue();
 
     IOWindow io(this, GetController(), &setting.GetInputReference(), IOWindow::Type::Input);
+    SetQWidgetWindowDecorations(&io);
     io.exec();
 
     setting.SimplifyIfPossible();

Source/Core/DolphinQt/Config/Mapping/MappingWindow.cpp

@@ -49,6 +49,7 @@
 #include "DolphinQt/Config/Mapping/WiimoteEmuMotionControlIMU.h"
 #include "DolphinQt/QtUtils/ModalMessageBox.h"
 #include "DolphinQt/QtUtils/NonDefaultQPushButton.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/QtUtils/WindowActivationEventFilter.h"
 #include "DolphinQt/QtUtils/WrapInScrollArea.h"
 #include "DolphinQt/Settings.h"
@@ -255,6 +256,7 @@ void MappingWindow::OnDeleteProfilePressed()
     error.setIcon(QMessageBox::Critical);
     error.setWindowTitle(tr("Error"));
     error.setText(tr("The profile '%1' does not exist").arg(profile_name));
+    SetQWidgetWindowDecorations(&error);
     error.exec();
     return;
   }
@@ -267,6 +269,7 @@ void MappingWindow::OnDeleteProfilePressed()
   confirm.setInformativeText(tr("This cannot be undone!"));
   confirm.setStandardButtons(QMessageBox::Yes | QMessageBox::Cancel);
 
+  SetQWidgetWindowDecorations(&confirm);
   if (confirm.exec() != QMessageBox::Yes)
   {
     return;
@@ -294,6 +297,7 @@ void MappingWindow::OnLoadProfilePressed()
     error.setIcon(QMessageBox::Critical);
     error.setWindowTitle(tr("Error"));
     error.setText(tr("The profile '%1' does not exist").arg(m_profiles_combo->currentText()));
+    SetQWidgetWindowDecorations(&error);
     error.exec();
     return;
   }

Source/Core/DolphinQt/Config/Mapping/WiimoteEmuExtensionMotionInput.cpp

@@ -14,6 +14,7 @@
 #include "Core/HW/WiimoteEmu/WiimoteEmu.h"
 
 #include "DolphinQt/Config/ControllerInterface/ControllerInterfaceWindow.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 
 #include "InputCommon/InputConfig.h"
 
@@ -42,6 +43,7 @@ void WiimoteEmuExtensionMotionInput::CreateNunchukLayout()
     ControllerInterfaceWindow* window = new ControllerInterfaceWindow(this);
     window->setAttribute(Qt::WA_DeleteOnClose, true);
     window->setWindowModality(Qt::WindowModality::WindowModal);
+    SetQWidgetWindowDecorations(window);
     window->show();
   });
   layout->addLayout(warning_layout, 0, 0, 1, -1);

Source/Core/DolphinQt/Config/Mapping/WiimoteEmuMotionControlIMU.cpp

@@ -15,6 +15,7 @@
 #include "Core/HW/WiimoteEmu/WiimoteEmu.h"
 
 #include "DolphinQt/Config/ControllerInterface/ControllerInterfaceWindow.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 
 #include "InputCommon/InputConfig.h"
 
@@ -40,6 +41,7 @@ void WiimoteEmuMotionControlIMU::CreateMainLayout()
     ControllerInterfaceWindow* window = new ControllerInterfaceWindow(this);
     window->setAttribute(Qt::WA_DeleteOnClose, true);
     window->setWindowModality(Qt::WindowModality::WindowModal);
+    SetQWidgetWindowDecorations(window);
     window->show();
   });
 

Source/Core/DolphinQt/Config/PatchesWidget.cpp

@@ -15,6 +15,7 @@
 #include "Core/PatchEngine.h"
 
 #include "DolphinQt/Config/NewPatchDialog.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 
 #include "UICommon/GameFile.h"
 
@@ -74,7 +75,13 @@ void PatchesWidget::OnAdd()
   PatchEngine::Patch patch;
   patch.user_defined = true;
 
-  if (NewPatchDialog(this, patch).exec())
+  bool new_patch_confirmed = false;
+  {
+    NewPatchDialog dialog(this, patch);
+    SetQWidgetWindowDecorations(&dialog);
+    new_patch_confirmed = dialog.exec();
+  }
+  if (new_patch_confirmed)
   {
     m_patches.push_back(patch);
     SavePatches();
@@ -98,7 +105,13 @@ void PatchesWidget::OnEdit()
     patch.name = tr("%1 (Copy)").arg(QString::fromStdString(patch.name)).toStdString();
   }
 
-  if (NewPatchDialog(this, patch).exec())
+  bool new_patch_confirmed = false;
+  {
+    NewPatchDialog dialog(this, patch);
+    SetQWidgetWindowDecorations(&dialog);
+    new_patch_confirmed = dialog.exec();
+  }
+  if (new_patch_confirmed)
   {
     if (patch.user_defined)
     {

Source/Core/DolphinQt/Config/VerifyWidget.cpp

@@ -20,6 +20,7 @@
 #include "DiscIO/Volume.h"
 #include "DiscIO/VolumeVerifier.h"
 #include "DolphinQt/QtUtils/ParallelProgressDialog.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/Settings.h"
 
 VerifyWidget::VerifyWidget(std::shared_ptr<DiscIO::Volume> volume) : m_volume(std::move(volume))
@@ -180,6 +181,7 @@ void VerifyWidget::Verify()
 
                    return result;
                  });
+  SetQWidgetWindowDecorations(progress.GetRaw());
   progress.GetRaw()->exec();
 
   std::optional<DiscIO::VolumeVerifier::Result> result = future.get();

Source/Core/DolphinQt/Config/WiimoteControllersWidget.cpp

@@ -33,6 +33,7 @@
 #include "DolphinQt/Config/Mapping/MappingWindow.h"
 #include "DolphinQt/QtUtils/ModalMessageBox.h"
 #include "DolphinQt/QtUtils/NonDefaultQPushButton.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/QtUtils/SignalBlocking.h"
 #include "DolphinQt/Settings.h"
 
@@ -261,6 +262,7 @@ void WiimoteControllersWidget::OnWiimoteConfigure(size_t index)
   MappingWindow* window = new MappingWindow(this, type, static_cast<int>(index));
   window->setAttribute(Qt::WA_DeleteOnClose, true);
   window->setWindowModality(Qt::WindowModality::WindowModal);
+  SetQWidgetWindowDecorations(window);
   window->show();
 }
 

Source/Core/DolphinQt/ConvertDialog.cpp

@@ -31,6 +31,7 @@
 #include "DolphinQt/QtUtils/DolphinFileDialog.h"
 #include "DolphinQt/QtUtils/ModalMessageBox.h"
 #include "DolphinQt/QtUtils/ParallelProgressDialog.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "UICommon/GameFile.h"
 #include "UICommon/UICommon.h"
 
@@ -285,6 +286,7 @@ bool ConvertDialog::ShowAreYouSureDialog(const QString& text)
   warning.setInformativeText(text);
   warning.setStandardButtons(QMessageBox::Yes | QMessageBox::No);
 
+  SetQWidgetWindowDecorations(&warning);
   return warning.exec() == QMessageBox::Yes;
 }
 
@@ -409,6 +411,7 @@ void ConvertDialog::Convert()
                                     .arg(dst_info.fileName()));
         confirm_replace.setStandardButtons(QMessageBox::Yes | QMessageBox::No);
 
+        SetQWidgetWindowDecorations(&confirm_replace);
         if (confirm_replace.exec() == QMessageBox::No)
           continue;
       }
@@ -519,6 +522,7 @@ void ConvertDialog::Convert()
         break;
       }
 
+      SetQWidgetWindowDecorations(progress_dialog.GetRaw());
       progress_dialog.GetRaw()->exec();
       if (!success.get())
       {

Source/Core/DolphinQt/Debugger/BreakpointWidget.cpp

@@ -22,6 +22,7 @@
 
 #include "DolphinQt/Debugger/BreakpointDialog.h"
 #include "DolphinQt/Debugger/MemoryWidget.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/Resources.h"
 #include "DolphinQt/Settings.h"
 
@@ -313,6 +314,7 @@ void BreakpointWidget::OnClear()
 void BreakpointWidget::OnNewBreakpoint()
 {
   BreakpointDialog* dialog = new BreakpointDialog(this);
+  SetQWidgetWindowDecorations(dialog);
   dialog->exec();
 }
 
@@ -322,12 +324,14 @@ void BreakpointWidget::OnEditBreakpoint(u32 address, bool is_instruction_bp)
   {
     auto* dialog =
         new BreakpointDialog(this, m_system.GetPowerPC().GetBreakPoints().GetBreakpoint(address));
+    SetQWidgetWindowDecorations(dialog);
     dialog->exec();
   }
   else
   {
     auto* dialog =
         new BreakpointDialog(this, m_system.GetPowerPC().GetMemChecks().GetMemCheck(address));
+    SetQWidgetWindowDecorations(dialog);
     dialog->exec();
   }
 

Source/Core/DolphinQt/Debugger/CodeViewWidget.cpp

@@ -37,6 +37,7 @@
 #include "Core/System.h"
 #include "DolphinQt/Debugger/PatchInstructionDialog.h"
 #include "DolphinQt/Host.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/Resources.h"
 #include "DolphinQt/Settings.h"
 
@@ -306,7 +307,7 @@ void CodeViewWidget::Update(const Core::CPUThreadGuard* guard)
   const std::optional<u32> pc =
       guard ? std::make_optional(power_pc.GetPPCState().pc) : std::nullopt;
 
-  const bool dark_theme = qApp->palette().color(QPalette::Base).valueF() < 0.5;
+  const bool dark_theme = Settings::Instance().IsThemeDark();
 
   m_branches.clear();
 
@@ -349,7 +350,7 @@ void CodeViewWidget::Update(const Core::CPUThreadGuard* guard)
       }
       else if (color != 0xFFFFFF)
       {
-        item->setBackground(dark_theme ? QColor(color).darker(240) : QColor(color));
+        item->setBackground(dark_theme ? QColor(color).darker(400) : QColor(color));
       }
     }
 
@@ -371,7 +372,7 @@ void CodeViewWidget::Update(const Core::CPUThreadGuard* guard)
 
       description_item->setText(
           tr("--> %1").arg(QString::fromStdString(debug_interface.GetDescription(branch_addr))));
-      param_item->setForeground(Qt::magenta);
+      param_item->setForeground(dark_theme ? QColor(255, 135, 255) : Qt::magenta);
     }
 
     if (ins == "blr")
@@ -733,6 +734,7 @@ void CodeViewWidget::AutoStep(CodeTrace::AutoStop option)
             .arg(QString::fromStdString(fmt::format("{:#x}", fmt::join(mem_out, ", "))));
 
     msgbox.setInformativeText(msgtext);
+    SetQWidgetWindowDecorations(&msgbox);
     msgbox.exec();
 
   } while (msgbox.clickedButton() == (QAbstractButton*)run_button);
@@ -1010,6 +1012,7 @@ void CodeViewWidget::OnReplaceInstruction()
   auto& debug_interface = m_system.GetPowerPC().GetDebugInterface();
   PatchInstructionDialog dialog(this, addr, debug_interface.ReadInstruction(guard, addr));
 
+  SetQWidgetWindowDecorations(&dialog);
   if (dialog.exec() == QDialog::Accepted)
   {
     debug_interface.SetPatch(guard, addr, dialog.GetCode());

Source/Core/DolphinQt/Debugger/CodeWidget.cpp

@@ -28,6 +28,7 @@
 #include "Core/PowerPC/PowerPC.h"
 #include "Core/System.h"
 #include "DolphinQt/Host.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/Settings.h"
 
 static const QString BOX_SPLITTER_STYLESHEET = QStringLiteral(
@@ -213,6 +214,7 @@ void CodeWidget::OnDiff()
   if (!m_diff_dialog)
     m_diff_dialog = new CodeDiffDialog(this);
   m_diff_dialog->setWindowFlag(Qt::WindowMinimizeButtonHint);
+  SetQWidgetWindowDecorations(m_diff_dialog);
   m_diff_dialog->show();
   m_diff_dialog->raise();
   m_diff_dialog->activateWindow();

Source/Core/DolphinQt/Debugger/RegisterWidget.cpp

@@ -18,6 +18,7 @@
 #include "Core/PowerPC/PowerPC.h"
 #include "Core/System.h"
 #include "DolphinQt/Host.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/Settings.h"
 
 RegisterWidget::RegisterWidget(QWidget* parent)
@@ -307,6 +308,7 @@ void RegisterWidget::AutoStep(const std::string& reg) const
       break;
 
     // Can keep running and try again after a time out.
+    SetQWidgetWindowDecorations(&msgbox);
     msgbox.exec();
     if (msgbox.clickedButton() != (QAbstractButton*)run_button)
       break;

Source/Core/DolphinQt/DiscordHandler.cpp

@@ -16,6 +16,7 @@
 
 #include "DolphinQt/DiscordJoinRequestDialog.h"
 #include "DolphinQt/QtUtils/RunOnObject.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 
 DiscordHandler::DiscordHandler(QWidget* parent) : QObject{parent}, m_parent{parent}
 {
@@ -60,6 +61,7 @@ void DiscordHandler::ShowNewJoinRequest(const std::string& id, const std::string
   std::lock_guard<std::mutex> lock(m_request_dialogs_mutex);
   m_request_dialogs.emplace_front(m_parent, id, discord_tag, avatar);
   DiscordJoinRequestDialog& request_dialog = m_request_dialogs.front();
+  SetQWidgetWindowDecorations(&request_dialog);
   request_dialog.show();
   request_dialog.raise();
   request_dialog.activateWindow();

Source/Core/DolphinQt/DolphinQt.vcxproj

@@ -188,6 +188,7 @@
     <ClCompile Include="QtUtils\ModalMessageBox.cpp" />
     <ClCompile Include="QtUtils\NonDefaultQPushButton.cpp" />
     <ClCompile Include="QtUtils\PartiallyClosableTabWidget.cpp" />
+    <ClCompile Include="QtUtils\SetWindowDecorations.cpp" />
     <ClCompile Include="QtUtils\UTF8CodePointCountValidator.cpp" />
     <ClCompile Include="QtUtils\WindowActivationEventFilter.cpp" />
     <ClCompile Include="QtUtils\WrapInScrollArea.cpp" />
@@ -379,6 +380,7 @@
     <QtMoc Include="QtUtils\FileOpenEventFilter.h" />
     <QtMoc Include="QtUtils\ParallelProgressDialog.h" />
     <QtMoc Include="QtUtils\PartiallyClosableTabWidget.h" />
+    <ClInclude Include="QtUtils\SetWindowDecorations.h" />
     <QtMoc Include="QtUtils\UTF8CodePointCountValidator.h" />
     <QtMoc Include="QtUtils\WindowActivationEventFilter.h" />
     <QtMoc Include="RenderWidget.h" />
@@ -415,6 +417,10 @@
   <ItemGroup>
     <Natvis Include="qt6.natvis" />
   </ItemGroup>
+  <ItemGroup>
+    <Text Include="Styles\Dark\dark.qss" />
+    <QtRcc Include="Styles\Dark\dark.qrc" />
+  </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="$(CoreDir)DolphinLib.vcxproj">
       <Project>{D79392F7-06D6-4B4B-A39F-4D587C215D3A}</Project>

Source/Core/DolphinQt/GBAWidget.cpp

@@ -29,6 +29,7 @@
 #include "Core/System.h"
 #include "DolphinQt/QtUtils/DolphinFileDialog.h"
 #include "DolphinQt/QtUtils/ModalMessageBox.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/Resources.h"
 #include "DolphinQt/Settings.h"
 #include "DolphinQt/Settings/GameCubePane.h"
@@ -486,6 +487,7 @@ void GBAWidget::contextMenuEvent(QContextMenuEvent* event)
   size_menu->addAction(x4_action);
 
   menu->move(event->globalPos());
+  SetQWidgetWindowDecorations(menu);
   menu->show();
 }
 

Source/Core/DolphinQt/GCMemcardManager.cpp

@@ -42,6 +42,7 @@
 #include "DolphinQt/QtUtils/DolphinFileDialog.h"
 #include "DolphinQt/QtUtils/ModalMessageBox.h"
 #include "DolphinQt/QtUtils/NonDefaultQPushButton.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 
 using namespace ExpansionInterface;
 
@@ -695,6 +696,7 @@ void GCMemcardManager::FixChecksums()
 void GCMemcardManager::CreateNewCard(Slot slot)
 {
   GCMemcardCreateNewDialog dialog(this);
+  SetQWidgetWindowDecorations(&dialog);
   if (dialog.exec() == QDialog::Accepted)
     m_slot_file_edit[slot]->setText(QString::fromStdString(dialog.GetMemoryCardPath()));
 }

Source/Core/DolphinQt/GameList/GameList.cpp

@@ -67,6 +67,7 @@
 #include "DolphinQt/QtUtils/DoubleClickEventFilter.h"
 #include "DolphinQt/QtUtils/ModalMessageBox.h"
 #include "DolphinQt/QtUtils/ParallelProgressDialog.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/Resources.h"
 #include "DolphinQt/Settings.h"
 #include "DolphinQt/WiiUpdate.h"
@@ -546,6 +547,7 @@ void GameList::OpenProperties()
   connect(properties, &PropertiesDialog::OpenGraphicsSettings, this,
           &GameList::OpenGraphicsSettings);
 
+  SetQWidgetWindowDecorations(properties);
   properties->show();
 }
 
@@ -600,6 +602,7 @@ void GameList::ConvertFile()
     return;
 
   ConvertDialog dialog{std::move(games), this};
+  SetQWidgetWindowDecorations(&dialog);
   dialog.exec();
 }
 
@@ -617,6 +620,7 @@ void GameList::InstallWAD()
   result_dialog.setWindowTitle(success ? tr("Success") : tr("Failure"));
   result_dialog.setText(success ? tr("Successfully installed this title to the NAND.") :
                                   tr("Failed to install this title to the NAND."));
+  SetQWidgetWindowDecorations(&result_dialog);
   result_dialog.exec();
 }
 
@@ -634,6 +638,7 @@ void GameList::UninstallWAD()
                             "this title from the NAND without deleting its save data. Continue?"));
   warning_dialog.setStandardButtons(QMessageBox::No | QMessageBox::Yes);
 
+  SetQWidgetWindowDecorations(&warning_dialog);
   if (warning_dialog.exec() == QMessageBox::No)
     return;
 
@@ -645,6 +650,7 @@ void GameList::UninstallWAD()
   result_dialog.setWindowTitle(success ? tr("Success") : tr("Failure"));
   result_dialog.setText(success ? tr("Successfully removed this title from the NAND.") :
                                   tr("Failed to remove this title from the NAND."));
+  SetQWidgetWindowDecorations(&result_dialog);
   result_dialog.exec();
 }
 
@@ -818,6 +824,7 @@ void GameList::DeleteFile()
   confirm_dialog.setInformativeText(tr("This cannot be undone!"));
   confirm_dialog.setStandardButtons(QMessageBox::Yes | QMessageBox::Cancel);
 
+  SetQWidgetWindowDecorations(&confirm_dialog);
   if (confirm_dialog.exec() == QMessageBox::Yes)
   {
     for (const auto& game : GetSelectedGames())
@@ -843,6 +850,7 @@ void GameList::DeleteFile()
                                              "delete the file or whether it's still in use."));
           error_dialog.setStandardButtons(QMessageBox::Retry | QMessageBox::Abort);
 
+          SetQWidgetWindowDecorations(&error_dialog);
           if (error_dialog.exec() == QMessageBox::Abort)
             break;
         }

Source/Core/DolphinQt/InfinityBase/InfinityBaseWindow.cpp

@@ -26,6 +26,7 @@
 #include "Core/System.h"
 
 #include "DolphinQt/QtUtils/DolphinFileDialog.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/Settings.h"
 
 // Qt is not guaranteed to keep track of file paths using native file pickers, so we use this
@@ -149,6 +150,7 @@ void InfinityBaseWindow::LoadFigure(u8 slot)
 void InfinityBaseWindow::CreateFigure(u8 slot)
 {
   CreateFigureDialog create_dlg(this, slot);
+  SetQWidgetWindowDecorations(&create_dlg);
   if (create_dlg.exec() == CreateFigureDialog::Accepted)
   {
     LoadFigurePath(slot, create_dlg.GetFilePath());

Source/Core/DolphinQt/Main.cpp

@@ -2,11 +2,11 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #ifdef _WIN32
+#include <cstdio>
 #include <string>
 #include <vector>
 
 #include <Windows.h>
-#include <cstdio>
 #endif
 
 #ifdef __linux__
@@ -33,6 +33,7 @@
 #include "DolphinQt/MainWindow.h"
 #include "DolphinQt/QtUtils/ModalMessageBox.h"
 #include "DolphinQt/QtUtils/RunOnObject.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/Resources.h"
 #include "DolphinQt/Settings.h"
 #include "DolphinQt/Translation.h"
@@ -90,6 +91,7 @@ static bool QtMsgAlertHandler(const char* caption, const char* text, bool yes_no
       return QMessageBox::NoIcon;
     }());
 
+    SetQWidgetWindowDecorations(&message_box);
     const int button = message_box.exec();
     if (button == QMessageBox::Yes)
       return true;
@@ -243,8 +245,11 @@ int main(int argc, char* argv[])
   {
     DolphinAnalytics::Instance().ReportDolphinStart("qt");
 
-    MainWindow win{std::move(boot), static_cast<const char*>(options.get("movie"))};
+    Settings::Instance().InitDefaultPalette();
+    Settings::Instance().UpdateSystemDark();
     Settings::Instance().SetCurrentUserStyle(Settings::Instance().GetCurrentUserStyle());
+
+    MainWindow win{std::move(boot), static_cast<const char*>(options.get("movie"))};
     win.Show();
 
 #if defined(USE_ANALYTICS) && USE_ANALYTICS
@@ -268,6 +273,7 @@ int main(int argc, char* argv[])
                       "This authorization can be revoked at any time through Dolphin's "
                       "settings."));
 
+      SetQWidgetWindowDecorations(&analytics_prompt);
       const int answer = analytics_prompt.exec();
 
       Config::SetBase(Config::MAIN_ANALYTICS_PERMISSION_ASKED, true);

Source/Core/DolphinQt/MainWindow.cpp

@@ -108,6 +108,7 @@
 #include "DolphinQt/QtUtils/ParallelProgressDialog.h"
 #include "DolphinQt/QtUtils/QueueOnObject.h"
 #include "DolphinQt/QtUtils/RunOnObject.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/QtUtils/WindowActivationEventFilter.h"
 #include "DolphinQt/RenderWidget.h"
 #include "DolphinQt/ResourcePackManager.h"
@@ -1225,6 +1226,7 @@ void MainWindow::ShowControllersWindow()
     InstallHotkeyFilter(m_controllers_window);
   }
 
+  SetQWidgetWindowDecorations(m_controllers_window);
   m_controllers_window->show();
   m_controllers_window->raise();
   m_controllers_window->activateWindow();
@@ -1238,6 +1240,7 @@ void MainWindow::ShowFreeLookWindow()
     InstallHotkeyFilter(m_freelook_window);
   }
 
+  SetQWidgetWindowDecorations(m_freelook_window);
   m_freelook_window->show();
   m_freelook_window->raise();
   m_freelook_window->activateWindow();
@@ -1251,6 +1254,7 @@ void MainWindow::ShowSettingsWindow()
     InstallHotkeyFilter(m_settings_window);
   }
 
+  SetQWidgetWindowDecorations(m_settings_window);
   m_settings_window->show();
   m_settings_window->raise();
   m_settings_window->activateWindow();
@@ -1271,6 +1275,7 @@ void MainWindow::ShowGeneralWindow()
 void MainWindow::ShowAboutDialog()
 {
   AboutDialog about{this};
+  SetQWidgetWindowDecorations(&about);
   about.exec();
 }
 
@@ -1282,6 +1287,7 @@ void MainWindow::ShowHotkeyDialog()
     InstallHotkeyFilter(m_hotkey_window);
   }
 
+  SetQWidgetWindowDecorations(m_hotkey_window);
   m_hotkey_window->show();
   m_hotkey_window->raise();
   m_hotkey_window->activateWindow();
@@ -1304,6 +1310,7 @@ void MainWindow::ShowGraphicsWindow()
     InstallHotkeyFilter(m_graphics_window);
   }
 
+  SetQWidgetWindowDecorations(m_graphics_window);
   m_graphics_window->show();
   m_graphics_window->raise();
   m_graphics_window->activateWindow();
@@ -1311,6 +1318,7 @@ void MainWindow::ShowGraphicsWindow()
 
 void MainWindow::ShowNetPlaySetupDialog()
 {
+  SetQWidgetWindowDecorations(m_netplay_setup_dialog);
   m_netplay_setup_dialog->show();
   m_netplay_setup_dialog->raise();
   m_netplay_setup_dialog->activateWindow();
@@ -1321,6 +1329,7 @@ void MainWindow::ShowNetPlayBrowser()
   auto* browser = new NetPlayBrowser(this);
   browser->setAttribute(Qt::WA_DeleteOnClose, true);
   connect(browser, &NetPlayBrowser::Join, this, &MainWindow::NetPlayJoin);
+  SetQWidgetWindowDecorations(browser);
   browser->exec();
 }
 
@@ -1333,6 +1342,7 @@ void MainWindow::ShowFIFOPlayer()
             [this](const QString& path) { StartGame(path, ScanForSecondDisc::No); });
   }
 
+  SetQWidgetWindowDecorations(m_fifo_window);
   m_fifo_window->show();
   m_fifo_window->raise();
   m_fifo_window->activateWindow();
@@ -1345,6 +1355,7 @@ void MainWindow::ShowSkylanderPortal()
     m_skylander_window = new SkylanderPortalWindow();
   }
 
+  SetQWidgetWindowDecorations(m_skylander_window);
   m_skylander_window->show();
   m_skylander_window->raise();
   m_skylander_window->activateWindow();
@@ -1357,6 +1368,7 @@ void MainWindow::ShowInfinityBase()
     m_infinity_window = new InfinityBaseWindow();
   }
 
+  SetQWidgetWindowDecorations(m_infinity_window);
   m_infinity_window->show();
   m_infinity_window->raise();
   m_infinity_window->activateWindow();
@@ -1703,6 +1715,36 @@ QSize MainWindow::sizeHint() const
   return QSize(800, 600);
 }
 
+#ifdef _WIN32
+bool MainWindow::nativeEvent(const QByteArray& eventType, void* message, qintptr* result)
+{
+  auto* msg = reinterpret_cast<MSG*>(message);
+  if (msg && msg->message == WM_SETTINGCHANGE && msg->lParam != NULL &&
+      std::wstring_view(L"ImmersiveColorSet")
+              .compare(reinterpret_cast<const wchar_t*>(msg->lParam)) == 0)
+  {
+    // Windows light/dark theme has changed. Update our flag and refresh the theme.
+    auto& settings = Settings::Instance();
+    const bool was_dark_before = settings.IsSystemDark();
+    settings.UpdateSystemDark();
+    if (settings.IsSystemDark() != was_dark_before)
+    {
+      settings.SetCurrentUserStyle(settings.GetCurrentUserStyle());
+
+      // force the colors in the Skylander window to update
+      if (m_skylander_window)
+        m_skylander_window->RefreshList();
+    }
+
+    // TODO: When switching from light to dark, the window decorations remain light. Qt seems very
+    // convinced that it needs to change these in response to this message, so even if we set them
+    // to dark here, Qt sets them back to light afterwards.
+  }
+
+  return false;
+}
+#endif
+
 void MainWindow::OnBootGameCubeIPL(DiscIO::Region region)
 {
   StartGame(std::make_unique<BootParameters>(BootParameters::IPL{region}));
@@ -1759,6 +1801,7 @@ void MainWindow::OnImportNANDBackup()
     dialog.Reset();
   });
 
+  SetQWidgetWindowDecorations(dialog.GetRaw());
   dialog.GetRaw()->exec();
 
   result.wait();
@@ -1866,6 +1909,7 @@ void MainWindow::ShowTASInput()
     const auto si_device = Config::Get(Config::GetInfoForSIDevice(i));
     if (si_device == SerialInterface::SIDEVICE_GC_GBA_EMULATED)
     {
+      SetQWidgetWindowDecorations(m_gba_tas_input_windows[i]);
       m_gba_tas_input_windows[i]->show();
       m_gba_tas_input_windows[i]->raise();
       m_gba_tas_input_windows[i]->activateWindow();
@@ -1873,6 +1917,7 @@ void MainWindow::ShowTASInput()
     else if (si_device != SerialInterface::SIDEVICE_NONE &&
              si_device != SerialInterface::SIDEVICE_GC_GBA)
     {
+      SetQWidgetWindowDecorations(m_gc_tas_input_windows[i]);
       m_gc_tas_input_windows[i]->show();
       m_gc_tas_input_windows[i]->raise();
       m_gc_tas_input_windows[i]->activateWindow();
@@ -1884,6 +1929,7 @@ void MainWindow::ShowTASInput()
     if (Config::Get(Config::GetInfoForWiimoteSource(i)) == WiimoteSource::Emulated &&
         (!Core::IsRunning() || SConfig::GetInstance().bWii))
     {
+      SetQWidgetWindowDecorations(m_wii_tas_input_windows[i]);
       m_wii_tas_input_windows[i]->show();
       m_wii_tas_input_windows[i]->raise();
       m_wii_tas_input_windows[i]->activateWindow();
@@ -1910,6 +1956,7 @@ void MainWindow::ShowAchievementsWindow()
     m_achievements_window = new AchievementsWindow(this);
   }
 
+  SetQWidgetWindowDecorations(m_achievements_window);
   m_achievements_window->show();
   m_achievements_window->raise();
   m_achievements_window->activateWindow();
@@ -1920,6 +1967,7 @@ void MainWindow::ShowMemcardManager()
 {
   GCMemcardManager manager(this);
 
+  SetQWidgetWindowDecorations(&manager);
   manager.exec();
 }
 
@@ -1927,11 +1975,13 @@ void MainWindow::ShowResourcePackManager()
 {
   ResourcePackManager manager(this);
 
+  SetQWidgetWindowDecorations(&manager);
   manager.exec();
 }
 
 void MainWindow::ShowCheatsManager()
 {
+  SetQWidgetWindowDecorations(m_cheats_manager);
   m_cheats_manager->show();
 }
 
@@ -1950,6 +2000,7 @@ void MainWindow::ShowRiivolutionBootWidget(const UICommon::GameFile& game)
   auto& disc = std::get<BootParameters::Disc>(boot_params->parameters);
   RiivolutionBootWidget w(disc.volume->GetGameID(), disc.volume->GetRevision(),
                           disc.volume->GetDiscNumber(), game.GetFilePath(), this);
+  SetQWidgetWindowDecorations(&w);
   w.exec();
   if (!w.ShouldBoot())
     return;
@@ -1961,7 +2012,10 @@ void MainWindow::ShowRiivolutionBootWidget(const UICommon::GameFile& game)
 void MainWindow::Show()
 {
   if (!Settings::Instance().IsBatchModeEnabled())
+  {
+    SetQWidgetWindowDecorations(this);
     QWidget::show();
+  }
 
   // If the booting of a game was requested on start up, do that now
   if (m_pending_boot != nullptr)

Source/Core/DolphinQt/MainWindow.h

@@ -210,6 +210,11 @@ private:
   void dropEvent(QDropEvent* event) override;
   QSize sizeHint() const override;
 
+#ifdef _WIN32
+  // This gets called for each event from the Windows message queue.
+  bool nativeEvent(const QByteArray& eventType, void* message, qintptr* result) override;
+#endif
+
 #ifdef HAVE_XRANDR
   std::unique_ptr<X11Utils::XRRConfiguration> m_xrr_config;
 #endif

Source/Core/DolphinQt/MenuBar.cpp

@@ -59,6 +59,7 @@
 #include "DolphinQt/QtUtils/DolphinFileDialog.h"
 #include "DolphinQt/QtUtils/ModalMessageBox.h"
 #include "DolphinQt/QtUtils/ParallelProgressDialog.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/Settings.h"
 #include "DolphinQt/Updater.h"
 
@@ -1178,8 +1179,12 @@ void MenuBar::CheckNAND()
     return;
   }
 
-  if (NANDRepairDialog(result, this).exec() != QDialog::Accepted)
-    return;
+  {
+    NANDRepairDialog dialog(result, this);
+    SetQWidgetWindowDecorations(&dialog);
+    if (dialog.exec() != QDialog::Accepted)
+      return;
+  }
 
   if (WiiUtils::RepairNAND(ios))
   {
@@ -1336,6 +1341,7 @@ void MenuBar::GenerateSymbolsFromRSOAuto()
 
     return matches;
   });
+  SetQWidgetWindowDecorations(progress.GetRaw());
   progress.GetRaw()->exec();
 
   const auto matches = future.get();

Source/Core/DolphinQt/NKitWarningDialog.cpp

@@ -14,14 +14,17 @@
 
 #include "Common/Config/Config.h"
 #include "Core/Config/MainSettings.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/Resources.h"
 
 bool NKitWarningDialog::ShowUnlessDisabled(QWidget* parent)
 {
   if (Config::Get(Config::MAIN_SKIP_NKIT_WARNING))
     return true;
-  else
-    return NKitWarningDialog(parent).exec() == QDialog::Accepted;
+
+  NKitWarningDialog dialog(parent);
+  SetQWidgetWindowDecorations(&dialog);
+  return dialog.exec() == QDialog::Accepted;
 }
 
 NKitWarningDialog::NKitWarningDialog(QWidget* parent) : QDialog(parent)

Source/Core/DolphinQt/NetPlay/NetPlayBrowser.cpp

@@ -26,6 +26,7 @@
 
 #include "DolphinQt/QtUtils/ModalMessageBox.h"
 #include "DolphinQt/QtUtils/NonDefaultQPushButton.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/Settings.h"
 
 NetPlayBrowser::NetPlayBrowser(QWidget* parent) : QDialog(parent)
@@ -303,6 +304,7 @@ void NetPlayBrowser::accept()
     dialog->setWindowModality(Qt::WindowModal);
     dialog->setTextEchoMode(QLineEdit::Password);
 
+    SetQWidgetWindowDecorations(dialog);
     if (dialog->exec() != QDialog::Accepted)
       return;
 

Source/Core/DolphinQt/NetPlay/NetPlayDialog.cpp

@@ -51,6 +51,7 @@
 #include "DolphinQt/QtUtils/ModalMessageBox.h"
 #include "DolphinQt/QtUtils/QueueOnObject.h"
 #include "DolphinQt/QtUtils/RunOnObject.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/Resources.h"
 #include "DolphinQt/Settings.h"
 #include "DolphinQt/Settings/GameCubePane.h"
@@ -213,6 +214,7 @@ void NetPlayDialog::CreateMainLayout()
   m_game_digest_menu->addAction(tr("Other game..."), this, [this] {
     GameListDialog gld(m_game_list_model, this);
 
+    SetQWidgetWindowDecorations(&gld);
     if (gld.exec() != QDialog::Accepted)
       return;
     Settings::Instance().GetNetPlayServer()->ComputeGameDigest(
@@ -335,6 +337,7 @@ void NetPlayDialog::ConnectWidgets()
     Settings::Instance().GetNetPlayServer()->KickPlayer(id);
   });
   connect(m_assign_ports_button, &QPushButton::clicked, [this] {
+    SetQWidgetWindowDecorations(m_pad_mapping);
     m_pad_mapping->exec();
 
     Settings::Instance().GetNetPlayServer()->SetPadMapping(m_pad_mapping->GetGCPadArray());
@@ -380,6 +383,7 @@ void NetPlayDialog::ConnectWidgets()
 
   connect(m_game_button, &QPushButton::clicked, [this] {
     GameListDialog gld(m_game_list_model, this);
+    SetQWidgetWindowDecorations(&gld);
     if (gld.exec() == QDialog::Accepted)
     {
       Settings& settings = Settings::Instance();

Source/Core/DolphinQt/QtUtils/ModalMessageBox.cpp

@@ -5,6 +5,8 @@
 
 #include <QApplication>
 
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
+
 ModalMessageBox::ModalMessageBox(QWidget* parent, Qt::WindowModality modality)
     : QMessageBox(parent != nullptr ? parent->window() : nullptr)
 {
@@ -28,6 +30,7 @@ static inline int ExecMessageBox(ModalMessageBox::Icon icon, QWidget* parent, co
   msg.setStandardButtons(buttons);
   msg.setDefaultButton(default_button);
 
+  SetQWidgetWindowDecorations(&msg);
   return msg.exec();
 }
 

Source/Core/DolphinQt/QtUtils/SetWindowDecorations.cpp

@@ -0,0 +1,25 @@
+// Copyright 2023 Dolphin Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
+
+#include <QWidget>
+
+#include "DolphinQt/Settings.h"
+
+#ifdef _WIN32
+#include <dwmapi.h>
+#endif
+
+void SetQWidgetWindowDecorations(QWidget* widget)
+{
+#ifdef _WIN32
+  if (!Settings::Instance().IsSystemDark())
+    return;
+
+  BOOL use_dark_title_bar = TRUE;
+  DwmSetWindowAttribute(HWND(widget->winId()),
+                        20 /* DWMWINDOWATTRIBUTE::DWMWA_USE_IMMERSIVE_DARK_MODE */,
+                        &use_dark_title_bar, DWORD(sizeof(use_dark_title_bar)));
+#endif
+}

Source/Core/DolphinQt/QtUtils/SetWindowDecorations.h

@@ -0,0 +1,9 @@
+// Copyright 2023 Dolphin Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+class QWidget;
+
+// Changes the window decorations (title bar) to dark if the user uses dark mode on Windows.
+void SetQWidgetWindowDecorations(QWidget* widget);

Source/Core/DolphinQt/ResourcePackManager.cpp

@@ -14,6 +14,7 @@
 #include "Common/FileUtil.h"
 #include "DolphinQt/QtUtils/ModalMessageBox.h"
 #include "DolphinQt/QtUtils/NonDefaultQPushButton.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "UICommon/ResourcePack/Manager.h"
 
 ResourcePackManager::ResourcePackManager(QWidget* widget) : QDialog(widget)
@@ -241,6 +242,7 @@ void ResourcePackManager::Remove()
   box.setIcon(QMessageBox::Warning);
   box.setStandardButtons(QMessageBox::Yes | QMessageBox::Abort);
 
+  SetQWidgetWindowDecorations(&box);
   if (box.exec() != QMessageBox::Yes)
     return;
 

Source/Core/DolphinQt/Settings.cpp

@@ -4,21 +4,25 @@
 #include "DolphinQt/Settings.h"
 
 #include <atomic>
+#include <memory>
 
 #include <QApplication>
+#include <QColor>
 #include <QDir>
 #include <QFile>
 #include <QFileInfo>
 #include <QFontDatabase>
+#include <QPalette>
 #include <QRadioButton>
 #include <QSize>
+#include <QStyle>
 #include <QWidget>
 
 #ifdef _WIN32
-#include <memory>
-
 #include <fmt/format.h>
 
+#include <winrt/Windows.UI.ViewManagement.h>
+
 #include <QTabBar>
 #include <QToolButton>
 #endif
@@ -47,6 +51,9 @@
 #include "VideoCommon/NetPlayChatUI.h"
 #include "VideoCommon/NetPlayGolfUI.h"
 
+static bool s_system_dark = false;
+static std::unique_ptr<QPalette> s_default_palette;
+
 Settings::Settings()
 {
   qRegisterMetaType<Core::State>();
@@ -125,6 +132,42 @@ QString Settings::GetCurrentUserStyle() const
   return QFileInfo(GetQSettings().value(QStringLiteral("userstyle/path")).toString()).fileName();
 }
 
+void Settings::InitDefaultPalette()
+{
+  s_default_palette = std::make_unique<QPalette>(qApp->palette());
+}
+
+void Settings::UpdateSystemDark()
+{
+#ifdef _WIN32
+  // Check if the system is set to dark mode so we can set the default theme and window
+  // decorations accordingly.
+  {
+    using namespace winrt::Windows::UI::ViewManagement;
+    const UISettings settings;
+    const auto& color = settings.GetColorValue(UIColorType::Foreground);
+
+    const bool is_system_dark = 5 * color.G + 2 * color.R + color.B > 8 * 128;
+    Settings::Instance().SetSystemDark(is_system_dark);
+  }
+#endif
+}
+
+void Settings::SetSystemDark(bool dark)
+{
+  s_system_dark = dark;
+}
+
+bool Settings::IsSystemDark()
+{
+  return s_system_dark;
+}
+
+bool Settings::IsThemeDark()
+{
+  return qApp->palette().color(QPalette::Base).valueF() < 0.5;
+}
+
 // Calling this before the main window has been created breaks the style of some widgets.
 void Settings::SetCurrentUserStyle(const QString& stylesheet_name)
 {
@@ -141,6 +184,44 @@ void Settings::SetCurrentUserStyle(const QString& stylesheet_name)
       stylesheet_contents = QString::fromUtf8(stylesheet.readAll().data());
   }
 
+#ifdef _WIN32
+  if (stylesheet_contents.isEmpty())
+  {
+    // No theme selected or found. Usually we would just fallthrough and set an empty stylesheet
+    // which would select Qt's default theme, but unlike other OSes we don't automatically get a
+    // default dark theme on Windows when the user has selected dark mode in the Windows settings.
+    // So manually check if the user wants dark mode and, if yes, load our embedded dark theme.
+    if (IsSystemDark())
+    {
+      QFile file(QStringLiteral(":/dolphin_dark_win/dark.qss"));
+      if (file.open(QFile::ReadOnly))
+        stylesheet_contents = QString::fromUtf8(file.readAll().data());
+
+      QPalette palette = qApp->style()->standardPalette();
+      palette.setColor(QPalette::Window, QColor(32, 32, 32));
+      palette.setColor(QPalette::WindowText, QColor(220, 220, 220));
+      palette.setColor(QPalette::Base, QColor(32, 32, 32));
+      palette.setColor(QPalette::AlternateBase, QColor(48, 48, 48));
+      palette.setColor(QPalette::PlaceholderText, QColor(126, 126, 126));
+      palette.setColor(QPalette::Text, QColor(220, 220, 220));
+      palette.setColor(QPalette::Button, QColor(48, 48, 48));
+      palette.setColor(QPalette::ButtonText, QColor(220, 220, 220));
+      palette.setColor(QPalette::BrightText, QColor(255, 255, 255));
+      palette.setColor(QPalette::Highlight, QColor(0, 120, 215));
+      palette.setColor(QPalette::HighlightedText, QColor(255, 255, 255));
+      palette.setColor(QPalette::Link, QColor(100, 160, 220));
+      palette.setColor(QPalette::LinkVisited, QColor(100, 160, 220));
+      qApp->setPalette(palette);
+    }
+    else
+    {
+      // reset any palette changes that may exist from a previously set dark mode
+      if (s_default_palette)
+        qApp->setPalette(*s_default_palette);
+    }
+  }
+#endif
+
   // Define tooltips style if not already defined
   if (!stylesheet_contents.contains(QStringLiteral("QToolTip"), Qt::CaseSensitive))
   {

Source/Core/DolphinQt/Settings.h

@@ -52,6 +52,11 @@ public:
 
   // UI
   void SetThemeName(const QString& theme_name);
+  void InitDefaultPalette();
+  void UpdateSystemDark();
+  void SetSystemDark(bool dark);
+  bool IsSystemDark();
+  bool IsThemeDark();
   void SetCurrentUserStyle(const QString& stylesheet_name);
   QString GetCurrentUserStyle() const;
 

Source/Core/DolphinQt/Settings/GameCubePane.cpp

@@ -39,6 +39,7 @@
 #include "DolphinQt/QtUtils/DolphinFileDialog.h"
 #include "DolphinQt/QtUtils/ModalMessageBox.h"
 #include "DolphinQt/QtUtils/NonDefaultQPushButton.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/QtUtils/SignalBlocking.h"
 #include "DolphinQt/Settings.h"
 #include "DolphinQt/Settings/BroadbandAdapterSettingsDialog.h"
@@ -379,22 +380,32 @@ void GameCubePane::OnConfigPressed(ExpansionInterface::Slot slot)
     BrowseAGPRom(slot);
     return;
   case ExpansionInterface::EXIDeviceType::Microphone:
+  {
     // TODO: convert MappingWindow to use Slot?
-    MappingWindow(this, MappingWindow::Type::MAPPING_GC_MICROPHONE, static_cast<int>(slot)).exec();
+    MappingWindow dialog(this, MappingWindow::Type::MAPPING_GC_MICROPHONE, static_cast<int>(slot));
+    SetQWidgetWindowDecorations(&dialog);
+    dialog.exec();
     return;
+  }
   case ExpansionInterface::EXIDeviceType::Ethernet:
   {
-    BroadbandAdapterSettingsDialog(this, BroadbandAdapterSettingsDialog::Type::Ethernet).exec();
+    BroadbandAdapterSettingsDialog dialog(this, BroadbandAdapterSettingsDialog::Type::Ethernet);
+    SetQWidgetWindowDecorations(&dialog);
+    dialog.exec();
     return;
   }
   case ExpansionInterface::EXIDeviceType::EthernetXLink:
   {
-    BroadbandAdapterSettingsDialog(this, BroadbandAdapterSettingsDialog::Type::XLinkKai).exec();
+    BroadbandAdapterSettingsDialog dialog(this, BroadbandAdapterSettingsDialog::Type::XLinkKai);
+    SetQWidgetWindowDecorations(&dialog);
+    dialog.exec();
     return;
   }
   case ExpansionInterface::EXIDeviceType::EthernetBuiltIn:
   {
-    BroadbandAdapterSettingsDialog(this, BroadbandAdapterSettingsDialog::Type::BuiltIn).exec();
+    BroadbandAdapterSettingsDialog dialog(this, BroadbandAdapterSettingsDialog::Type::BuiltIn);
+    SetQWidgetWindowDecorations(&dialog);
+    dialog.exec();
     return;
   }
   default:

Source/Core/DolphinQt/Settings/GeneralPane.cpp

@@ -24,6 +24,7 @@
 
 #include "DolphinQt/QtUtils/ModalMessageBox.h"
 #include "DolphinQt/QtUtils/NonDefaultQPushButton.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/QtUtils/SignalBlocking.h"
 #include "DolphinQt/Settings.h"
 
@@ -370,6 +371,7 @@ void GeneralPane::GenerateNewIdentity()
   message_box.setIcon(QMessageBox::Information);
   message_box.setWindowTitle(tr("Identity Generation"));
   message_box.setText(tr("New identity generated."));
+  SetQWidgetWindowDecorations(&message_box);
   message_box.exec();
 }
 #endif

Source/Core/DolphinQt/Settings/WiiPane.cpp

@@ -35,6 +35,7 @@
 #include "DolphinQt/QtUtils/ModalMessageBox.h"
 #include "DolphinQt/QtUtils/NonDefaultQPushButton.h"
 #include "DolphinQt/QtUtils/ParallelProgressDialog.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/QtUtils/SignalBlocking.h"
 #include "DolphinQt/Settings.h"
 #include "DolphinQt/Settings/USBDeviceAddToWhitelistDialog.h"
@@ -288,6 +289,7 @@ void WiiPane::CreateSDCard()
         progress_dialog.Reset();
         return good;
       });
+      SetQWidgetWindowDecorations(progress_dialog.GetRaw());
       progress_dialog.GetRaw()->exec();
       if (!success.get())
         ModalMessageBox::warning(this, tr("Convert Folder to File Now"), tr("Conversion failed."));
@@ -312,6 +314,7 @@ void WiiPane::CreateSDCard()
         progress_dialog.Reset();
         return good;
       });
+      SetQWidgetWindowDecorations(progress_dialog.GetRaw());
       progress_dialog.GetRaw()->exec();
       if (!success.get())
         ModalMessageBox::warning(this, tr("Convert File to Folder Now"), tr("Conversion failed."));
@@ -468,6 +471,7 @@ void WiiPane::OnUSBWhitelistAddButton()
   USBDeviceAddToWhitelistDialog usb_whitelist_dialog(this);
   connect(&usb_whitelist_dialog, &USBDeviceAddToWhitelistDialog::accepted, this,
           &WiiPane::PopulateUSBPassthroughListWidget);
+  SetQWidgetWindowDecorations(&usb_whitelist_dialog);
   usb_whitelist_dialog.exec();
 }
 

Source/Core/DolphinQt/SkylanderPortal/SkylanderPortalWindow.cpp

@@ -34,6 +34,7 @@
 #include "Core/System.h"
 
 #include "DolphinQt/QtUtils/DolphinFileDialog.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/Resources.h"
 #include "DolphinQt/Settings.h"
 
@@ -560,6 +561,7 @@ void SkylanderPortalWindow::CreateSkylanderAdvanced()
 
   connect(buttons, &QDialogButtonBox::rejected, create_window, &QDialog::reject);
 
+  SetQWidgetWindowDecorations(create_window);
   create_window->show();
   create_window->raise();
 }
@@ -610,6 +612,8 @@ void SkylanderPortalWindow::UpdateCurrentIDs()
 
 void SkylanderPortalWindow::RefreshList()
 {
+  const bool is_dark_theme = Settings::Instance().IsThemeDark();
+
   const int row = m_skylander_list->currentRow();
   m_skylander_list->clear();
   if (m_only_show_collection->isChecked())
@@ -633,8 +637,16 @@ void SkylanderPortalWindow::RefreshList()
       {
         const uint qvar = (ids.first << 16) | ids.second;
         QListWidgetItem* skylander = new QListWidgetItem(file.baseName());
-        skylander->setBackground(GetBaseColor(ids));
-        skylander->setForeground(QBrush(QColor(0, 0, 0, 255)));
+        if (is_dark_theme)
+        {
+          skylander->setBackground(GetBaseColor(ids, true));
+          skylander->setForeground(QBrush(QColor(220, 220, 220)));
+        }
+        else
+        {
+          skylander->setBackground(GetBaseColor(ids, false));
+          skylander->setForeground(QBrush(QColor(0, 0, 0)));
+        }
         skylander->setData(1, qvar);
         m_skylander_list->addItem(skylander);
       }
@@ -650,8 +662,16 @@ void SkylanderPortalWindow::RefreshList()
       {
         const uint qvar = (entry.first.first << 16) | entry.first.second;
         QListWidgetItem* skylander = new QListWidgetItem(tr(entry.second.name));
-        skylander->setBackground(GetBaseColor(entry.first));
-        skylander->setForeground(QBrush(QColor(0, 0, 0, 255)));
+        if (is_dark_theme)
+        {
+          skylander->setBackground(GetBaseColor(entry.first, true));
+          skylander->setForeground(QBrush(QColor(220, 220, 220)));
+        }
+        else
+        {
+          skylander->setBackground(GetBaseColor(entry.first, false));
+          skylander->setForeground(QBrush(QColor(0, 0, 0)));
+        }
         skylander->setData(1, qvar);
         m_skylander_list->addItem(skylander);
       }
@@ -895,27 +915,27 @@ int SkylanderPortalWindow::GetElementRadio()
   return -1;
 }
 
-QBrush SkylanderPortalWindow::GetBaseColor(std::pair<const u16, const u16> ids)
+QBrush SkylanderPortalWindow::GetBaseColor(std::pair<const u16, const u16> ids, bool dark_theme)
 {
   auto skylander = IOS::HLE::USB::list_skylanders.find(ids);
 
   if (skylander == IOS::HLE::USB::list_skylanders.end())
-    return QBrush(QColor(255, 255, 255, 255));
+    return QBrush(dark_theme ? QColor(32, 32, 32) : QColor(255, 255, 255));
 
   switch ((*skylander).second.game)
   {
   case IOS::HLE::USB::Game::SpyrosAdv:
-    return QBrush(QColor(240, 255, 240, 255));
+    return QBrush(dark_theme ? QColor(10, 42, 90) : QColor(240, 255, 240));
   case IOS::HLE::USB::Game::Giants:
-    return QBrush(QColor(255, 240, 215, 255));
+    return QBrush(dark_theme ? QColor(120, 16, 12) : QColor(255, 240, 215));
   case IOS::HLE::USB::Game::SwapForce:
-    return QBrush(QColor(240, 245, 255, 255));
+    return QBrush(dark_theme ? QColor(28, 45, 12) : QColor(240, 245, 255));
   case IOS::HLE::USB::Game::TrapTeam:
-    return QBrush(QColor(255, 240, 240, 255));
+    return QBrush(dark_theme ? QColor(0, 56, 76) : QColor(255, 240, 240));
   case IOS::HLE::USB::Game::Superchargers:
-    return QBrush(QColor(247, 228, 215, 255));
+    return QBrush(dark_theme ? QColor(90, 12, 12) : QColor(247, 228, 215));
   default:
-    return QBrush(QColor(255, 255, 255, 255));
+    return QBrush(dark_theme ? QColor(32, 32, 32) : QColor(255, 255, 255));
   }
 }
 

Source/Core/DolphinQt/SkylanderPortal/SkylanderPortalWindow.h

@@ -37,6 +37,8 @@ public:
   explicit SkylanderPortalWindow(QWidget* parent = nullptr);
   ~SkylanderPortalWindow() override;
 
+  void RefreshList();
+
 protected:
   std::array<QLineEdit*, MAX_SKYLANDERS> m_edit_skylanders;
   std::array<std::optional<Skylander>, MAX_SKYLANDERS> m_sky_slots;
@@ -60,7 +62,6 @@ private:
   // Behind the scenes
   void OnEmulationStateChanged(Core::State state);
   void OnCollectionPathChanged();
-  void RefreshList();
   void UpdateCurrentIDs();
   void CreateSkyfile(const QString& path, bool load_after);
   void LoadSkyfilePath(u8 slot, const QString& path);
@@ -71,7 +72,7 @@ private:
   QString GetFilePath(u16 id, u16 var);
   u8 GetCurrentSlot();
   int GetElementRadio();
-  QBrush GetBaseColor(std::pair<const u16, const u16> ids);
+  QBrush GetBaseColor(std::pair<const u16, const u16> ids, bool dark_theme);
   int GetGameID(IOS::HLE::USB::Game game);
   int GetElementID(IOS::HLE::USB::Element elem);
 

Source/Core/DolphinQt/Styles/Dark/checkbox-checked-disabled.svg

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg width="1300" height="1300" viewBox="0 0 1300 1300" xmlns="http://www.w3.org/2000/svg">
+<rect x="50" y="50" width="1200" height="1200" style="stroke:#7e7e7e;stroke-width:100;fill:#505050;" />
+<polyline points="250,700 500,950 1100,350" stroke="#7e7e7e" stroke-width="150" fill="none" />
+</svg>

Source/Core/DolphinQt/Styles/Dark/checkbox-checked.svg

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg width="1300" height="1300" viewBox="0 0 1300 1300" xmlns="http://www.w3.org/2000/svg">
+<rect x="50" y="50" width="1200" height="1200" style="stroke:#7e7e7e;stroke-width:100;fill:none;" />
+<polyline points="250,700 500,950 1100,350" stroke="#7e7e7e" stroke-width="150" fill="none" />
+</svg>

Source/Core/DolphinQt/Styles/Dark/checkbox-empty-disabled.svg

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg width="1300" height="1300" viewBox="0 0 1300 1300" xmlns="http://www.w3.org/2000/svg">
+<rect x="50" y="50" width="1200" height="1200" style="stroke:#7e7e7e;stroke-width:100;fill:#505050;" />
+</svg>

Source/Core/DolphinQt/Styles/Dark/checkbox-empty.svg

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg width="1300" height="1300" viewBox="0 0 1300 1300" xmlns="http://www.w3.org/2000/svg">
+<rect x="50" y="50" width="1200" height="1200" style="stroke:#7e7e7e;stroke-width:100;fill:none;" />
+</svg>

Source/Core/DolphinQt/Styles/Dark/checkbox-half-disabled.svg

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg width="1300" height="1300" viewBox="0 0 1300 1300" xmlns="http://www.w3.org/2000/svg">
+<rect x="50" y="50" width="1200" height="1200" style="stroke:#7e7e7e;stroke-width:100;fill:#505050;" />
+<rect x="350" y="350" width="600" height="600" style="stroke:#7e7e7e;stroke-width:100;fill:#7e7e7e;" />
+</svg>

Source/Core/DolphinQt/Styles/Dark/checkbox-half.svg

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg width="1300" height="1300" viewBox="0 0 1300 1300" xmlns="http://www.w3.org/2000/svg">
+<rect x="50" y="50" width="1200" height="1200" style="stroke:#7e7e7e;stroke-width:100;fill:none;" />
+<rect x="350" y="350" width="600" height="600" style="stroke:#7e7e7e;stroke-width:100;fill:#7e7e7e;" />
+</svg>

Source/Core/DolphinQt/Styles/Dark/dark.qrc

@@ -0,0 +1,30 @@
+<RCC>
+	<qresource prefix="/dolphin_dark_win">
+		<file>dark.qss</file>
+		<file>checkbox-checked.svg</file>
+		<file>checkbox-checked-disabled.svg</file>
+		<file>checkbox-empty.svg</file>
+		<file>checkbox-empty-disabled.svg</file>
+		<file>checkbox-half.svg</file>
+		<file>checkbox-half-disabled.svg</file>
+		<file>dockwidget-close.svg</file>
+		<file>dockwidget-undock.svg</file>
+		<file>down-triangle.svg</file>
+		<file>down-triangle-spinbox.svg</file>
+		<file>dropdown-arrow.svg</file>
+		<file>left-triangle-tabbar.svg</file>
+		<file>radiobutton-checked.svg</file>
+		<file>radiobutton-checked-disabled.svg</file>
+		<file>radiobutton-empty.svg</file>
+		<file>radiobutton-empty-disabled.svg</file>
+		<file>right-triangle-tabbar.svg</file>
+		<file>scrollbar-arrow-down.svg</file>
+		<file>scrollbar-arrow-left.svg</file>
+		<file>scrollbar-arrow-right.svg</file>
+		<file>scrollbar-arrow-up.svg</file>
+		<file>table-header-sort-arrow-down.svg</file>
+		<file>table-header-sort-arrow-up.svg</file>
+		<file>up-triangle.svg</file>
+		<file>up-triangle-spinbox.svg</file>
+	</qresource>
+</RCC>

Source/Core/DolphinQt/Styles/Dark/dark.qss

@@ -0,0 +1,487 @@
+/*
+Theme for a look and feel like our default Windows theme, but dark
+*/
+
+* {
+	color: #dcdcdc;
+}
+*:disabled {
+	color: #7e7e7e;
+}
+
+/*
+window title bars apparently can't be styled
+would be #000000 for active, #2b2b2b for background
+*/
+
+QMenu {
+	border: 1px solid #7e7e7e;
+}
+QMenuBar {
+	background-color: #202020;
+	color: #dcdcdc;
+	border: 0px;
+}
+QMenu {
+	background-color: #202020;
+	color: #dcdcdc;
+	border: 1px solid #7e7e7e;
+}
+QMenuBar::item {
+	background-color: #202020;
+	color: #dcdcdc;
+	border: 0px;
+	padding-left: 8px;
+	padding-right: 8px;
+	padding-top: 3px;
+	padding-bottom: 2px;
+	margin: 0px;
+}
+QMenuBar {
+	border-color: #404040;
+}
+QMenu::item {
+	background-color: #202020;
+	color: #dcdcdc;
+	border: 0px;
+	padding-left: 8px;
+	padding-right: 32px;
+	padding-top: 4px;
+	padding-bottom: 4px;
+	margin: 0px;
+}
+QMenuBar::item:hover, QMenuBar::item:selected, QMenu::item:hover, QMenu::item:selected {
+	background-color: #404040;
+	color: #dcdcdc;
+}
+QMenuBar::item:disabled, QMenu::item:disabled {
+	color: #7e7e7e;
+}
+QMenu::separator {
+	height: 1px;
+	background-color: #7e7e7e;
+	margin-left: 2px;
+	margin-right: 2px;
+	margin-top: 5px;
+	margin-bottom: 5px;
+}
+
+QWidget {
+	background-color: #202020;
+}
+QColumnView, QListView, QTableView, QTableWidget, QTreeView {
+	background-color: #202020;
+	alternate-background-color: #303030;
+	border: 1px solid #7e7e7e;
+	selection-background-color: #505050; /* #202050; */
+	gridline-color: #606060;
+}
+/*
+would be consistent with Explorer, but Qt keeps the focus color even if you click away from the item, which is confusing
+QColumnView::item:focus, QListView::item:focus, QTableView::item:focus, QTableWidget::item:focus, QTreeView::item:focus {
+	background-color: #606060;
+}
+*/
+QHeaderView::section {
+	background-color: #202020;
+	border: 0px;
+	border-right: 1px solid #7e7e7e;
+	padding: 0px;
+	text-align: right;
+
+	/*
+	this is a hack, Qt is extremely convinced that the sort arrow belongs on the right side
+	of the header and will reserve space for it there. so this applies that same space to the left
+	so the text is still centered correctly.
+	*/
+	padding-left: 10px;
+}
+QHeaderView::section:last {
+	border-right: 0px;
+}
+QHeaderView::section:hover, QHeaderView::section:checked {
+	background-color: #404040;
+}
+QHeaderView::down-arrow {
+	subcontrol-origin: margin;
+	subcontrol-position: top center;
+	image: url(:/dolphin_dark_win/table-header-sort-arrow-down.svg);
+	width: 10px;
+	height: 7px;
+	background: transparent;
+}
+QHeaderView::up-arrow {
+	subcontrol-origin: margin;
+	subcontrol-position: top center;
+	image: url(:/dolphin_dark_win/table-header-sort-arrow-up.svg);
+	width: 10px;
+	height: 7px;
+	background: transparent;
+}
+
+QTabWidget::pane {
+	border: 1px solid #7e7e7e;
+	top: -1px; /* move border behind tabs */
+}
+QTabWidget::tab-bar {
+	left: 2px; /* leave space on the side of the tabs */
+}
+
+QTabBar {
+	/* The outline on the focused tab has an incorrect position and as far as I can tell there's no way to move it.
+	So as a hack, remove it and apply an underline to the text instead. */
+	outline: 0px;
+}
+QTabBar::tab {
+	background-color: #303030;
+	border-left: 1px solid #7e7e7e;
+	border-right: 1px solid #7e7e7e;
+	border-top: 1px solid #7e7e7e;
+	border-bottom: 1px solid #7e7e7e;
+	padding-top: 2px;
+	padding-bottom: 2px;
+	padding-left: 9px;
+	padding-right: 10px;
+	margin-right: -1px; /* so adjacent tab borders overlap */
+}
+QTabBar::tab:only-one {
+	margin-right: 0px;
+}
+QTabBar::tab:last {
+	margin-right: 0px;
+}
+QTabBar::tab:hover {
+	background-color: #404040;
+}
+QTabBar::tab:selected {
+	border-bottom: 0px;
+	background-color: #202020;
+	padding-bottom: 1px;
+}
+QTabBar::tab:focus {
+	text-decoration: underline;
+}
+QTabBar::tab:!selected {
+	margin-top: 2px;
+}
+
+QDockWidget {
+	background-color: #404040;
+	titlebar-close-icon: url(:/dolphin_dark_win/dockwidget-close.svg);
+	titlebar-normal-icon: url(:/dolphin_dark_win/dockwidget-undock.svg);
+}
+
+QPushButton, QToolButton {
+	background-color: #303030;
+	border: 1px solid #7e7e7e;
+	padding: 2px;
+	min-width: 67px;
+}
+QPushButton:hover, QToolButton:hover {
+	background-color: #404040;
+}
+QPushButton:focus, QToolButton:focus {
+	background-color: #404040;
+}
+QPushButton:disabled, QToolButton:disabled {
+	background-color: #505050;
+}
+
+/* the dropdownarrow on the right of the button in menu popup mode */
+QToolButton[popupMode="1"] {
+	padding-right: 19px;
+}
+QToolButton::menu-button {
+	border: 0px;
+	border-left: 1px solid #7e7e7e;
+	width: 18px;
+}
+QToolButton::menu-arrow {
+	image: url(:/dolphin_dark_win/down-triangle.svg);
+	width: 14px;
+}
+
+/* the icon bar at the top of the main window */
+QToolBar {
+	border: 0px;
+}
+QToolBar QToolButton {
+	border: 0px;
+	padding: 0px;
+	padding-left: 3px;
+	padding-right: 2px;
+	min-width: 50px;
+	background-color: #202020;
+}
+QToolBar QToolButton:hover {
+	background-color: #404040;
+}
+QToolBar QToolButton:focus {
+	background-color: #404040;
+}
+QToolBar QToolButton:disabled {
+	background-color: #202020;
+}
+QToolBar::separator {
+	min-width: 0px;
+	width: 1px;
+	margin-left: 3px;
+	margin-right: 2px;
+	background-color: #7e7e7e;
+}
+
+QGroupBox {
+	border: 1px solid #7e7e7e;
+	margin-top: 9px;
+	padding-top: 7px;
+	padding-bottom: 0px;
+	padding-left: 1px;
+	padding-right: 1px;
+}
+QGroupBox::title {
+	subcontrol-origin: margin;
+	subcontrol-position: top left;
+	left: 9px;
+	padding-top: 1px;
+	min-width: 0px;
+}
+
+QLineEdit, QTextEdit {
+	border: 1px solid #7e7e7e;
+}
+QLineEdit:disabled, QTextEdit:disabled {
+	background-color: #505050;
+}
+
+QComboBox {
+	background-color: #303030;
+	border: 1px solid #7e7e7e;
+	margin: 0px;
+	padding-left: 3px;
+	padding-right: 3px;
+	padding-top: 1px;
+	padding-bottom: 1px;
+}
+QComboBox:disabled {
+	background-color: #505050;
+}
+QComboBox:selected {
+	background-color: #404040;
+}
+QComboBox:editable {
+	background-color: #202020;
+}
+QComboBox::drop-down {
+	border: 0px;
+}
+QComboBox::down-arrow {
+	image: url(:/dolphin_dark_win/dropdown-arrow.svg);
+	height: 10px;
+	width: 15px;
+}
+QComboBox QAbstractItemView {
+	background-color: #303030;
+	selection-background-color: #404040;
+	border: 1px solid #7e7e7e;
+	padding: 0px;
+	margin: 0px;
+	outline: 0px;
+}
+QComboBox QAbstractItemView::item:selected {
+	color: #dcdcdc;
+	background-color: #404040;
+}
+QComboBox QAbstractItemView::item:last {
+	border: 0px;
+}
+
+QScrollBar:vertical {
+	border: 0px;
+	background: #303030;
+	width: 15px;
+	margin: 15px 0px;
+}
+QScrollBar::handle:vertical { /* the bar in the middle */
+	border: 0px;
+	background: #606060;
+	min-height: 20px;
+}
+QScrollBar::add-line:vertical { /* the down button at the bottom */
+	border: 0px;
+	background: #303030;
+	height: 15px;
+	subcontrol-position: bottom;
+	subcontrol-origin: margin;
+}
+QScrollBar::sub-line:vertical { /* the up button at the top */
+	border: 0px;
+	background: #303030;
+	height: 15px;
+	subcontrol-position: top;
+	subcontrol-origin: margin;
+}
+QScrollBar::add-page:vertical, QScrollBar::sub-page:vertical { /* the area between the bar and the up/down buttons */
+	border: 0px;
+	background: none;
+}
+QScrollBar::up-arrow:vertical {
+	image: url(:/dolphin_dark_win/scrollbar-arrow-up.svg);
+	height: 15px;
+}
+QScrollBar::down-arrow:vertical {
+	image: url(:/dolphin_dark_win/scrollbar-arrow-down.svg);
+	height: 15px;
+}
+QScrollBar:horizontal {
+	border: 0px;
+	background: #303030;
+	height: 15px;
+	margin: 0px 15px;
+}
+QScrollBar::handle:horizontal { /* the bar in the middle */
+	border: 0px;
+	background: #606060;
+	min-width: 20px;
+}
+QScrollBar::add-line:horizontal { /* the right button */
+	border: 0px;
+	background: #303030;
+	width: 15px;
+	subcontrol-position: right;
+	subcontrol-origin: margin;
+}
+QScrollBar::sub-line:horizontal { /* the left button */
+	border: 0px;
+	background: #303030;
+	width: 15px;
+	subcontrol-position: left;
+	subcontrol-origin: margin;
+}
+QScrollBar::add-page:horizontal, QScrollBar::sub-page:horizontal { /* the area between the bar and the left/right buttons */
+	border: 0px;
+	background: none;
+}
+QScrollBar::left-arrow:horizontal {
+	image: url(:/dolphin_dark_win/scrollbar-arrow-left.svg);
+	width: 15px;
+}
+QScrollBar::right-arrow:horizontal {
+	image: url(:/dolphin_dark_win/scrollbar-arrow-right.svg);
+	width: 15px;
+}
+
+QSpinBox, QDateEdit, QDateTimeEdit, QTimeEdit, QDoubleSpinBox {
+	border: 1px solid #7e7e7e;
+	padding-right: 15px;
+}
+QSpinBox:disabled, QDateEdit:disabled, QDateTimeEdit:disabled, QTimeEdit:disabled, QDoubleSpinBox:disabled {
+	background-color: #505050;
+}
+QSpinBox::up-button, QDateEdit::up-button, QDateTimeEdit::up-button, QTimeEdit::up-button, QDoubleSpinBox::up-button {
+	border: 1px transparent;
+	subcontrol-origin: border;
+	subcontrol-position: top right;
+	width: 16px;
+}
+QSpinBox::down-button, QDateEdit::down-button, QDateTimeEdit::down-button, QTimeEdit::down-button, QDoubleSpinBox::down-button {
+	border: 1px transparent;
+	subcontrol-origin: border;
+	subcontrol-position: bottom right;
+	width: 16px;
+}
+QSpinBox::up-arrow, QDateEdit::up-arrow, QDateTimeEdit::up-arrow,  QTimeEdit::up-arrow, QDoubleSpinBox::up-arrow {
+	image: url(:/dolphin_dark_win/up-triangle-spinbox.svg);
+	width: 14px;
+	height: 7px;
+}
+QSpinBox::down-arrow, QDateEdit::down-arrow, QDateTimeEdit::down-arrow, QTimeEdit::down-arrow, QDoubleSpinBox::down-arrow {
+	image: url(:/dolphin_dark_win/down-triangle-spinbox.svg);
+	width: 14px;
+	height: 7px;
+}
+
+/*
+QSlider ticks break if you try to style the groove.
+https://stackoverflow.com/questions/27531542/tick-marks-disappear-on-styled-qslider
+https://bugreports.qt.io/browse/QTBUG-3564 (yes that's from 2009 and it's still accurate)
+Truly bizarre. I'll just refrain from styling it from now...
+*/
+QSlider::handle {
+	background-color: #dcdcdc;
+}
+QSlider::handle:disabled {
+	background-color: #7e7e7e;
+}
+
+QCheckBox {
+	padding: 2px 0px;
+}
+QCheckBox::indicator {
+	padding: 0px;
+	margin: 0px;
+	border: 0px;
+	width: 13px;
+	height: 13px;
+}
+QCheckBox::indicator:unchecked {
+	image: url(:/dolphin_dark_win/checkbox-empty.svg);
+}
+QCheckBox::indicator:unchecked:disabled {
+	image: url(:/dolphin_dark_win/checkbox-empty-disabled.svg);
+}
+QCheckBox::indicator:checked {
+	image: url(:/dolphin_dark_win/checkbox-checked.svg);
+}
+QCheckBox::indicator:checked:disabled {
+	image: url(:/dolphin_dark_win/checkbox-checked-disabled.svg);
+}
+QCheckBox::indicator:indeterminate {
+	image: url(:/dolphin_dark_win/checkbox-half.svg);
+}
+QCheckBox::indicator:indeterminate:disabled {
+	image: url(:/dolphin_dark_win/checkbox-half-disabled.svg);
+}
+
+QRadioButton {
+	padding: 2px 0px;
+}
+QRadioButton::indicator {
+	padding: 0px;
+	margin: 0px;
+	border: 0px;
+	width: 13px;
+	height: 13px;
+}
+QRadioButton::indicator:unchecked {
+	image: url(:/dolphin_dark_win/radiobutton-empty.svg);
+}
+QRadioButton::indicator:unchecked:disabled {
+	image: url(:/dolphin_dark_win/radiobutton-empty-disabled.svg);
+}
+QRadioButton::indicator:checked {
+	image: url(:/dolphin_dark_win/radiobutton-checked.svg);
+}
+QRadioButton::indicator:checked:disabled {
+	image: url(:/dolphin_dark_win/radiobutton-checked-disabled.svg);
+}
+
+QListView::indicator:unchecked {
+	image: url(:/dolphin_dark_win/checkbox-empty.svg);
+}
+QListView::indicator:checked {
+	image: url(:/dolphin_dark_win/checkbox-checked.svg);
+}
+QListView::indicator:indeterminate {
+	image: url(:/dolphin_dark_win/checkbox-half.svg);
+}
+
+QTabBar QToolButton {
+	background-color: #202020;
+	min-width: 0px;
+}
+QTabBar QToolButton::left-arrow {
+	image: url(:/dolphin_dark_win/left-triangle-tabbar.svg);
+}
+QTabBar QToolButton::right-arrow {
+	image: url(:/dolphin_dark_win/right-triangle-tabbar.svg);
+}

Source/Core/DolphinQt/Styles/Dark/dockwidget-close.svg

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg width="1300" height="1300" viewBox="0 0 1300 1300" xmlns="http://www.w3.org/2000/svg">
+<line x1="100" y1="100" x2="1200" y2="1200" stroke="#7e7e7e" stroke-width="100" />
+<line x1="100" y1="1200" x2="1200" y2="100" stroke="#7e7e7e" stroke-width="100" />
+</svg>

Source/Core/DolphinQt/Styles/Dark/dockwidget-undock.svg

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg width="1300" height="1300" viewBox="0 0 1300 1300" xmlns="http://www.w3.org/2000/svg">
+<rect x="50" y="350" width="900" height="900" style="stroke:#7e7e7e;stroke-width:100;fill:none;" />
+<polyline points="350,350 350,50 1250,50 1250,950 950,950" stroke="#7e7e7e" stroke-width="100" fill="none" />
+</svg>

Source/Core/DolphinQt/Styles/Dark/down-triangle-spinbox.svg

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg width="100" height="40" viewBox="0 0 100 40" xmlns="http://www.w3.org/2000/svg">
+<polyline points="20,5 50,35 80,5" fill="#dcdcdc" />
+</svg>

Source/Core/DolphinQt/Styles/Dark/down-triangle.svg

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg">
+<polyline points="20,40 50,70 80,40" fill="#dcdcdc" />
+</svg>

Source/Core/DolphinQt/Styles/Dark/dropdown-arrow.svg

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg">
+<polyline points="20,50 50,80 80,50" stroke="#dcdcdc" stroke-width="15" fill="none" />
+</svg>

Source/Core/DolphinQt/Styles/Dark/left-triangle-tabbar.svg

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg width="40" height="100" viewBox="0 0 40 100" xmlns="http://www.w3.org/2000/svg">
+<polyline points="35,20 5,50 35,80" fill="#dcdcdc" />
+</svg>

Source/Core/DolphinQt/Styles/Dark/radiobutton-checked-disabled.svg

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg width="1000" height="1000" viewBox="0 0 1000 1000" xmlns="http://www.w3.org/2000/svg">
+<circle cx="500" cy="500" r="450" style="stroke:#7e7e7e;stroke-width:100;fill:#505050;" />
+<circle cx="500" cy="500" r="250" style="fill:#7e7e7e;" />
+</svg>

Source/Core/DolphinQt/Styles/Dark/radiobutton-checked.svg

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg width="1000" height="1000" viewBox="0 0 1000 1000" xmlns="http://www.w3.org/2000/svg">
+<circle cx="500" cy="500" r="450" style="stroke:#7e7e7e;stroke-width:100;fill:none;" />
+<circle cx="500" cy="500" r="250" style="fill:#7e7e7e;" />
+</svg>

Source/Core/DolphinQt/Styles/Dark/radiobutton-empty-disabled.svg

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg width="1000" height="1000" viewBox="0 0 1000 1000" xmlns="http://www.w3.org/2000/svg">
+<circle cx="500" cy="500" r="450" style="stroke:#7e7e7e;stroke-width:100;fill:#505050;" />
+</svg>

Source/Core/DolphinQt/Styles/Dark/radiobutton-empty.svg

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg width="1000" height="1000" viewBox="0 0 1000 1000" xmlns="http://www.w3.org/2000/svg">
+<circle cx="500" cy="500" r="450" style="stroke:#7e7e7e;stroke-width:100;fill:none;" />
+</svg>

Source/Core/DolphinQt/Styles/Dark/right-triangle-tabbar.svg

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg width="40" height="100" viewBox="0 0 40 100" xmlns="http://www.w3.org/2000/svg">
+<polyline points="5,20 35,50 5,80" fill="#dcdcdc" />
+</svg>

Source/Core/DolphinQt/Styles/Dark/scrollbar-arrow-down.svg

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg">
+<polyline points="25,35 50,60 75,35" stroke="#dcdcdc" stroke-width="15" fill="none" />
+</svg>

Source/Core/DolphinQt/Styles/Dark/scrollbar-arrow-left.svg

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg">
+<polyline points="65,25 40,50 65,75" stroke="#dcdcdc" stroke-width="15" fill="none" />
+</svg>

Source/Core/DolphinQt/Styles/Dark/scrollbar-arrow-right.svg

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg">
+<polyline points="35,25 60,50 35,75" stroke="#dcdcdc" stroke-width="15" fill="none" />
+</svg>

Source/Core/DolphinQt/Styles/Dark/scrollbar-arrow-up.svg

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg">
+<polyline points="25,65 50,40 75,65" stroke="#dcdcdc" stroke-width="15" fill="none" />
+</svg>

Source/Core/DolphinQt/Styles/Dark/table-header-sort-arrow-down.svg

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg width="60" height="50" viewBox="0 0 60 50" xmlns="http://www.w3.org/2000/svg">
+<polyline points="5,10 30,35 55,10" stroke="#dcdcdc" stroke-width="10" fill="none" />
+</svg>

Source/Core/DolphinQt/Styles/Dark/table-header-sort-arrow-up.svg

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg width="60" height="50" viewBox="0 0 60 50" xmlns="http://www.w3.org/2000/svg">
+<polyline points="5,35 30,10 55,35" stroke="#dcdcdc" stroke-width="10" fill="none" />
+</svg>

Source/Core/DolphinQt/Styles/Dark/up-triangle-spinbox.svg

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg width="100" height="40" viewBox="0 0 100 40" xmlns="http://www.w3.org/2000/svg">
+<polyline points="20,35 50,5 80,35" fill="#dcdcdc" />
+</svg>

Source/Core/DolphinQt/Styles/Dark/up-triangle.svg

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg">
+<polyline points="20,60 50,30 80,60" fill="#dcdcdc" />
+</svg>

Source/Core/DolphinQt/TAS/WiiTASInputWindow.cpp

@@ -28,6 +28,7 @@
 
 #include "DolphinQt/QtUtils/AspectRatioWidget.h"
 #include "DolphinQt/QtUtils/QueueOnObject.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/TAS/IRWidget.h"
 #include "DolphinQt/TAS/TASCheckBox.h"
 #include "DolphinQt/TAS/TASSpinBox.h"
@@ -395,15 +396,21 @@ void WiiTASInputWindow::UpdateExt()
   if (m_active_extension == WiimoteEmu::ExtensionNumber::NUNCHUK)
   {
     setWindowTitle(tr("Wii TAS Input %1 - Wii Remote + Nunchuk").arg(m_num + 1));
+    SetQWidgetWindowDecorations(m_ir_box);
     m_ir_box->show();
+    SetQWidgetWindowDecorations(m_nunchuk_stick_box);
     m_nunchuk_stick_box->show();
     m_classic_right_stick_box->hide();
     m_classic_left_stick_box->hide();
+    SetQWidgetWindowDecorations(m_remote_accelerometer_box);
     m_remote_accelerometer_box->show();
     m_remote_gyroscope_box->setVisible(m_is_motion_plus_attached);
+    SetQWidgetWindowDecorations(m_nunchuk_accelerometer_box);
     m_nunchuk_accelerometer_box->show();
     m_triggers_box->hide();
+    SetQWidgetWindowDecorations(m_nunchuk_buttons_box);
     m_nunchuk_buttons_box->show();
+    SetQWidgetWindowDecorations(m_remote_buttons_box);
     m_remote_buttons_box->show();
     m_classic_buttons_box->hide();
   }
@@ -412,14 +419,18 @@ void WiiTASInputWindow::UpdateExt()
     setWindowTitle(tr("Wii TAS Input %1 - Classic Controller").arg(m_num + 1));
     m_ir_box->hide();
     m_nunchuk_stick_box->hide();
+    SetQWidgetWindowDecorations(m_classic_right_stick_box);
     m_classic_right_stick_box->show();
+    SetQWidgetWindowDecorations(m_classic_left_stick_box);
     m_classic_left_stick_box->show();
     m_remote_accelerometer_box->hide();
     m_remote_gyroscope_box->hide();
     m_nunchuk_accelerometer_box->hide();
+    SetQWidgetWindowDecorations(m_triggers_box);
     m_triggers_box->show();
     m_remote_buttons_box->hide();
     m_nunchuk_buttons_box->hide();
+    SetQWidgetWindowDecorations(m_classic_buttons_box);
     m_classic_buttons_box->show();
   }
   else
@@ -429,10 +440,12 @@ void WiiTASInputWindow::UpdateExt()
     m_nunchuk_stick_box->hide();
     m_classic_right_stick_box->hide();
     m_classic_left_stick_box->hide();
+    SetQWidgetWindowDecorations(m_remote_accelerometer_box);
     m_remote_accelerometer_box->show();
     m_remote_gyroscope_box->setVisible(m_is_motion_plus_attached);
     m_nunchuk_accelerometer_box->hide();
     m_triggers_box->hide();
+    SetQWidgetWindowDecorations(m_remote_buttons_box);
     m_remote_buttons_box->show();
     m_nunchuk_buttons_box->hide();
     m_classic_buttons_box->hide();

Source/Core/DolphinQt/Updater.cpp

@@ -17,6 +17,7 @@
 #include "Common/Version.h"
 
 #include "DolphinQt/QtUtils/RunOnObject.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 #include "DolphinQt/Settings.h"
 
 // Refer to docs/autoupdate_overview.md for a detailed overview of the autoupdate process
@@ -100,6 +101,7 @@ void Updater::OnUpdateAvailable(const NewVersionInformation& info)
     connect(buttons, &QDialogButtonBox::accepted, dialog, &QDialog::accept);
     connect(buttons, &QDialogButtonBox::rejected, dialog, &QDialog::reject);
 
+    SetQWidgetWindowDecorations(dialog);
     return dialog->exec();
   });
 

Source/Core/DolphinQt/WiiUpdate.cpp

@@ -21,6 +21,7 @@
 
 #include "DolphinQt/QtUtils/ModalMessageBox.h"
 #include "DolphinQt/QtUtils/QueueOnObject.h"
+#include "DolphinQt/QtUtils/SetWindowDecorations.h"
 
 namespace WiiUpdate
 {
@@ -130,6 +131,7 @@ static WiiUtils::UpdateResult ShowProgress(QWidget* parent, Callable function, A
     return res;
   });
 
+  SetQWidgetWindowDecorations(&dialog);
   dialog.exec();
   return result.get();
 }

Source/VSProps/Base.Dolphin.props

@@ -79,6 +79,8 @@
       <AdditionalDependencies>avcodec.lib;avformat.lib;avutil.lib;swresample.lib;swscale.lib;bcrypt.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <!--libcurl needs Crypt32.lib-->
       <AdditionalDependencies>Crypt32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <!--Needed to set window decorations for dark theme-->
+      <AdditionalDependencies>dwmapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <!--See Common/CompatPatches.cpp-->
       <ForceSymbolReferences>enableCompatPatches</ForceSymbolReferences>
     </Link>

Source/VSProps/QtCompile.props

@@ -51,9 +51,14 @@
     but not the include paths, as passing include paths drastically slows down
     moc, and it doesn't appear to actually need them anyway.
   -->
-  <Import Project="qtmoc.props" />
+  <Import Project="qt_globals.targets"/>
+  <Import Project="qt_tasks.targets"/>
   <ItemDefinitionGroup>
+    <!--From qtmoc.props-->
     <QtMoc>
+      <ExecutionDescription>moc %(Identity)</ExecutionDescription>
+      <QTDIR>$(QtHostToolsDir)</QTDIR>
+      <InputFile>%(FullPath)</InputFile>
       <!--
         moc task does not properly detect outputs are outdated if Qt version changes
         (possibly causing Q_MOC_OUTPUT_REVISION to change). This *might* be because we
@@ -62,15 +67,41 @@
         to avoid conflicts. (the numeric postfix is the value of Q_MOC_OUTPUT_REVISION)
         -->
       <OutputFile>$(QtToolOutDir)moc_68\moc_%(Filename).cpp</OutputFile>
+      <QtMocDir>$(QtToolOutDir)moc_68\</QtMocDir>
+      <QtMocFileName>moc_%(Filename).cpp</QtMocFileName>
+      <DynamicSource>output</DynamicSource>
+      <ParallelProcess>true</ParallelProcess>
+      <CommandLineTemplate>[AllOptions] [AdditionalOptions]</CommandLineTemplate>
+      <Outputs>%(OutputFile)</Outputs>
+      <OverrideClCompile>false</OverrideClCompile>
     </QtMoc>
   </ItemDefinitionGroup>
-  <Import Project="qt_globals.targets"/>
-  <Import Project="qt_tasks.targets"/>
   <Import Project="qtmoc.targets" />
   <Target Name="QtCheckQtDir" BeforeTargets="QtMocInit" Condition="!$(QtDirValid)">
     <Error Text="QTDIR not set or non-existent (pull the submodule?)" />
   </Target>
 
+  <!--Similar story with rcc-->
+  <ItemDefinitionGroup>
+    <!--From qtrcc.props-->
+    <QtRcc>
+      <ExecutionDescription>rcc %(Identity)</ExecutionDescription>
+      <QTDIR>$(QtHostToolsDir)</QTDIR>
+      <InputFile>%(FullPath)</InputFile>
+      <OutputFile>$(QtToolOutDir)rcc\qrc_%(Filename).cpp</OutputFile>
+      <QtRccDir>$(QtToolOutDir)rcc\</QtRccDir>
+      <QtRccFileName>qrc_%(Filename).cpp</QtRccFileName>
+      <InitFuncName>%(Filename)</InitFuncName>
+      <Compression>default</Compression>
+      <TwoPass>false</TwoPass>
+      <DynamicSource>output</DynamicSource>
+      <ParallelProcess>true</ParallelProcess>
+      <CommandLineTemplate>[AllOptions] [AdditionalOptions]</CommandLineTemplate>
+      <Outputs>%(OutputFile)</Outputs>
+    </QtRcc>
+  </ItemDefinitionGroup>
+  <Import Project="qtrcc.targets" />
+
   <!--Expose the new targets to VS-->
   <ItemGroup>
     <PropertyPageSchema Include="$(MSBuildThisFileDirectory)$(MSBuildThisFileName).xml" />

Source/VSProps/qtmoc.props

@@ -1,83 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/****************************************************************************
-**
-** Copyright (C) 2019 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the Qt VS Tools.
-**
-** $QT_BEGIN_LICENSE:GPL-EXCEPT$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3 as published by the Free Software
-** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
--->
-<!--
-///////////////////////////////////////////////////////////////////////////////////////////////////
-// Qt/MSBuild moc property definitions
-// -->
-<Project>
-  <!--
-  /////////////////////////////////////////////////////////////////////////////////////////////////
-  // Import pre-requisites
-  // -->
-  <Import
-    Condition="'$(QtMsBuildProps_BeforeMoc)' != ''"
-    Project="$(QtMsBuildProps_BeforeMoc)"/>
-
-  <!--
-  /////////////////////////////////////////////////////////////////////////////////////////////////
-  // QtMoc item template
-  // -->
-  <ItemDefinitionGroup>
-    <QtMoc>
-      <ExecutionDescription>moc %(Identity)</ExecutionDescription>
-
-      <QTDIR Condition="'$(QtVsProjectSettings)' != 'true'"
-        >$(QtHostToolsDir)</QTDIR>
-      <QTDIR Condition="'$(QtVsProjectSettings)' == 'true'"
-        >$(QtInstallDir)</QTDIR>
-
-      <InputFile>%(FullPath)</InputFile>
-
-      <OutputFile Condition="'$(QtVsProjectSettings)' != 'true'"
-        >$(ProjectDir)GeneratedFiles\$(Configuration)\moc_%(Filename).cpp</OutputFile>
-
-      <QtMocDir Condition="'$(QtVsProjectSettings)' == 'true'"
-        >$(IntDir)moc\</QtMocDir>
-      <QtMocFileName Condition="'$(QtVsProjectSettings)' == 'true'"
-        >moc_%(Filename).cpp</QtMocFileName>
-
-      <DynamicSource>output</DynamicSource>
-      <ParallelProcess>true</ParallelProcess>
-      <CommandLineTemplate>[AllOptions] [AdditionalOptions]</CommandLineTemplate>
-      <Outputs>%(OutputFile)</Outputs>
-      <OverrideClCompile>false</OverrideClCompile>
-    </QtMoc>
-  </ItemDefinitionGroup>
-
-  <!--
-  /////////////////////////////////////////////////////////////////////////////////////////////////
-  // Import dependants
-  // -->
-  <Import
-    Condition="'$(QtMsBuildProps_AfterMoc)' != ''"
-    Project="$(QtMsBuildProps_AfterMoc)"/>
-
-</Project>

Source/VSProps/qtrcc.targets

@@ -0,0 +1,580 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/***************************************************************************************************
+ Copyright (C) 2023 The Qt Company Ltd.
+ SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+***************************************************************************************************/
+-->
+
+<!--
+///////////////////////////////////////////////////////////////////////////////////////////////////
+/// Definitions specific to rcc
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// -->
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <!--
+  /////////////////////////////////////////////////////////////////////////////////////////////////
+  // Import pre-requisites
+  // -->
+  <Import
+    Condition="'$(QtMsBuildTargets_BeforeRcc)' != ''"
+    Project="$(QtMsBuildTargets_BeforeRcc)"/>
+
+  <!--
+  /////////////////////////////////////////////////////////////////////////////////////////////////
+  // Qt/MSBuild global properties
+  // -->
+  <PropertyGroup>
+    <QtBuildTargets>QtRcc;$(QtBuildTargets)</QtBuildTargets>
+  </PropertyGroup>
+
+  <!--
+  /////////////////////////////////////////////////////////////////////////////////////////////////
+  // Setup item type and property page
+  // -->
+  <Choose>
+    <When Condition="'$(QtVsProjectSettings)' == 'true' AND '$(QtVsProjectClProperties)' == 'true'">
+      <ItemGroup>
+        <PropertyPageSchema
+          Include="$(MSBuildThisFileDirectory)qtrcc_v3.xml" />
+      </ItemGroup>
+    </When>
+    <Otherwise>
+      <ItemGroup>
+        <PropertyPageSchema
+          Include="$(MSBuildThisFileDirectory)qtrcc.xml" />
+      </ItemGroup>
+    </Otherwise>
+  </Choose>
+  <ItemGroup>
+    <AvailableItemName Include="QtRcc">
+      <Targets>Qt;_ClCompile</Targets>
+    </AvailableItemName>
+  </ItemGroup>
+  <PropertyGroup>
+    <QtRccRuleName>QtRule40_Rcc</QtRccRuleName>
+  </PropertyGroup>
+
+  <!--
+  /////////////////////////////////////////////////////////////////////////////////////////////////
+  /// TARGET QtRccInit
+  /////////////////////////////////////////////////////////////////////////////////////////////////
+  // Initialize default metadata
+  // -->
+  <Target Name="QtRccInit">
+    <!--// Initialize %(OutputFile) -->
+    <ItemGroup Condition="'$(QtVsProjectSettings)' == 'true' AND '@(QtRcc)' != ''">
+      <QtRccAux Include="@(QtRcc)">
+        <OutputFile
+          >$([System.IO.Path]::Combine('%(QtRcc.QtRccDir)','%(QtRcc.QtRccFileName)'))</OutputFile>
+      </QtRccAux>
+      <QtRcc Remove="@(QtRcc)"/>
+      <QtRcc Include="@(QtRccAux)"/>
+      <QtRccAux Remove="@(QtRccAux)"/>
+    </ItemGroup>
+  </Target>
+
+  <!--
+  /////////////////////////////////////////////////////////////////////////////////////////////////
+  /// TARGET QtRccSetDependencies
+  /////////////////////////////////////////////////////////////////////////////////////////////////
+  // Add resource files as dependencies of the QRC file
+  // -->
+  <Target Name="QtRccSetDependencies" DependsOnTargets="QtRccInit"
+    Inputs="%(QtRcc.Identity)" Outputs="@(QtRcc->'####### Don't skip this target #######')">
+    <ItemGroup>
+      <selected_files Include="$(SelectedFiles)"/>
+    </ItemGroup>
+
+    <!--// Parse QRC -->
+    <ListQrc QrcFilePath="%(QtRcc.FullPath)">
+      <Output TaskParameter="Result" ItemName="res_file"/>
+    </ListQrc>
+
+    <!--// Add dependencies -->
+    <ItemGroup Condition="'@(QtRcc)' != '' AND '@(res_file)' != ''">
+      <QtRcc>
+        <ResourceFiles>@(res_file)</ResourceFiles>
+        <AdditionalDependencies
+          >%(QtRcc.AdditionalDependencies);@(res_file->'%(FullPath)')</AdditionalDependencies>
+      </QtRcc>
+    </ItemGroup>
+
+    <!--// Clean-up -->
+    <PropertyGroup>
+      <QtRccExeQuoted/>
+      <QtRccQuoted/>
+      <RccListQuoted/>
+    </PropertyGroup>
+    <ItemGroup>
+      <res_file Remove="@(res_file)"/>
+    </ItemGroup>
+  </Target>
+
+  <!--
+  /////////////////////////////////////////////////////////////////////////////////////////////////
+  /// TARGET QtRccPrepare
+  /////////////////////////////////////////////////////////////////////////////////////////////////
+  // Prepare items for processing
+  // -->
+  <Target Name="QtRccPrepare" DependsOnTargets="QtRccSetDependencies"
+    Inputs="%(QtRcc.Identity)" Outputs="@(QtRcc->'####### Don't skip this target #######')">
+
+    <Message Importance="High" Condition="'$(QtDebug)' == 'true'"
+        Text="## QtRccPrepare @(QtRcc)"/>
+
+    <PropertyGroup>
+      <selected_files>[@(selected_files->'%(Identity)','][')]</selected_files>
+      <file>[@(QtRcc->'%(Identity)')]</file>
+      <output_file>@(QtRcc->'%(OutputFile)')</output_file>
+      <is_selected Condition="$(selected_files.Contains('$(file)'))">true</is_selected>
+      <is_selected Condition="!$(selected_files.Contains('$(file)'))">false</is_selected>
+    </PropertyGroup>
+
+    <!--// Delete output file to force build of source if it was manually selected to build
+        //  (e.g. by the 'Compile' option in the context menu for the file) -->
+    <Delete Files="$(output_file)"
+      Condition="'$(SelectedFiles)' != '' AND '$(is_selected)' == 'true'" />
+
+    <!--// If a source was manually selected to build, remove all other sources -->
+    <ItemGroup Condition="'@(selected_files)' != ''">
+      <QtRcc Remove="@(QtRcc)"
+        Condition="'$(SelectedFiles)' != '' AND '$(is_selected)' != 'true'" />
+    </ItemGroup>
+
+    <!--// Remove sources excluded from build -->
+    <ItemGroup>
+      <QtRcc Remove="@(QtRcc)"
+        Condition="'$(SelectedFiles)' == '' AND '%(QtRcc.ExcludedFromBuild)' == 'true'"/>
+    </ItemGroup>
+
+    <!--// Clean-up -->
+    <PropertyGroup>
+      <selected_files/>
+      <file/>
+      <output_file/>
+      <is_selected/>
+    </PropertyGroup>
+  </Target>
+
+  <!--
+  /////////////////////////////////////////////////////////////////////////////////////////////////
+  /// TARGET QtRccSetModified
+  /////////////////////////////////////////////////////////////////////////////////////////////////
+  // Set InputModified flag for modified files (i.e. Inputs newer than Outputs)
+  // -->
+  <Target Name="QtRccSetModified" DependsOnTargets="QtRccPrepare"
+    Condition="'@(QtRcc)' != ''"
+    Inputs="%(QtRcc.FullPath);%(QtRcc.AdditionalDependencies)" Outputs="@(QtRcc->'%(OutputFile)')">
+
+    <Message Importance="High" Condition="'$(QtDebug)' == 'true'"
+      Text="## QtRccSetModified @(QtRcc)" />
+
+    <CreateProperty Value="true">
+      <!-- // Using ValueSetByTask ensures $(input_changed) is only set to 'true' when the target
+           // is actually executed and not when MSBuild is figuring out which targets to run -->
+      <Output TaskParameter="ValueSetByTask" PropertyName="input_changed" />
+    </CreateProperty>
+    <ItemGroup>
+      <QtRcc>
+        <InputChanged>$(input_changed)</InputChanged>
+      </QtRcc>
+    </ItemGroup>
+  </Target>
+
+  <!--
+  /////////////////////////////////////////////////////////////////////////////////////////////////
+  /// TARGET QtRccOverrideCpp
+  /////////////////////////////////////////////////////////////////////////////////////////////////
+  //
+  // -->
+  <!--<Import Project="qtrcc_cl.targets"/>-->
+
+  <!--
+  /////////////////////////////////////////////////////////////////////////////////////////////////
+  /// TARGET QtRcc
+  /////////////////////////////////////////////////////////////////////////////////////////////////
+  // Process each QRC file and produce the corresponding QtWork items
+  // -->
+  <PropertyGroup>
+    <QtRccDependsOn>
+      QtPrepare;
+      QtRccPrepare;
+      QtRccSetModified;
+      $(QtRccDependsOn)
+    </QtRccDependsOn>
+  </PropertyGroup>
+  <Target Name="QtRcc"
+    DependsOnTargets="$(QtRccDependsOn)"
+    BeforeTargets="$(QtRccBeforeTargets)" AfterTargets="$(QtRccAfterTargets)"
+    Condition="'@(QtRcc)' != ''"
+    Inputs="%(QtRcc.FullPath);%(QtRcc.AdditionalDependencies);$(MSBuildProjectFile)"
+    Outputs="@(QtRcc->'%(OutputFile)')">
+
+    <Message Importance="High" Condition="'$(QtDebug)' == 'true'" Text="## QtRcc @(QtRcc)" />
+
+    <CreateProperty Value="true">
+      <Output TaskParameter="ValueSetByTask" PropertyName="dependencies_changed" />
+    </CreateProperty>
+
+    <PropertyGroup>
+      <two_pass Condition="'%(QtRcc.TwoPass)' == 'true'">true</two_pass>
+    </PropertyGroup>
+
+    <!--
+    ///////////////////////////////////////////////////////////////////////////////////////////////
+    // Convert string lists in source item properties to lists of items
+    // -->
+    <Flatten Items="@(QtRcc)"
+      Metadata="InputFile;
+                OutputFile;
+                TempFile;
+                InitFuncName;
+                Root;
+                Compression;
+                NoCompression;
+                CompressThreshold;
+                BinaryOutput;
+                NoZstd;
+                PassNumber;
+                NoNamespace;
+                Verbose;
+                List;
+                Project;
+                FormatVersion">
+      <Output
+        TaskParameter="Result" ItemName="LocalOptions" />
+    </Flatten>
+
+    <!--
+    ///////////////////////////////////////////////////////////////////////////////////////////////
+    // Translate local paths to build host paths
+    // -->
+    <HostTranslatePaths
+      Items="@(LocalOptions)"
+      Names="InputFile;
+            OutputFile;
+            TempFile;
+            Root">
+      <Output
+        TaskParameter="Result" ItemName="options" />
+    </HostTranslatePaths>
+
+    <ItemGroup>
+      <!--
+      /////////////////////////////////////////////////////////////////////////////////////////////
+      // Remove quotes from all paths
+      // Escape trailing back-slash in paths
+      // Add quotes to paths containing spaces
+      // -->
+      <options>
+        <Value Condition="'%(Name)' == 'InputFile' OR '%(Name)' == 'OutputFile'
+          OR '%(Name)' == 'TempFile' OR '%(Name)' == 'Root'"
+          >$([System.String]::Copy('%(Value)').Replace('&quot;', ''))</Value>
+      </options>
+      <options>
+        <Value Condition="('%(Name)' == 'InputFile' OR '%(Name)' == 'OutputFile'
+            OR '%(Name)' == 'TempFile' OR '%(Name)' == 'Root')
+          AND $([System.String]::Copy('%(Value)').Contains(' '))
+          AND $([System.String]::Copy('%(Value)').EndsWith('\'))"
+          >%(Value)\</Value>
+      </options>
+      <options>
+        <Value Condition="('%(Name)' == 'InputFile' OR '%(Name)' == 'OutputFile'
+            OR '%(Name)' == 'TempFile' OR '%(Name)' == 'Root')
+          AND $([System.String]::Copy('%(Value)').Contains(' '))"
+          >&quot;%(Value)&quot;</Value>
+      </options>
+
+    <!--
+    ///////////////////////////////////////////////////////////////////////////////////////////////
+    // Generate tool command line arguments
+    // -->
+      <!--//  inputs                     Input files (*.qrc) -->
+      <options>
+        <Value Condition="'%(Name)' == 'InputFile'">%(Value)</Value>
+      </options>
+
+      <!--//  -o,  -output <file>        Write output to <file> -->
+      <options>
+        <Value Condition="'%(Name)' == 'OutputFile' AND '$(two_pass)' != 'true'">-o %(Value)</Value>
+      </options>
+      <options>
+        <Value Condition="'%(Name)' == 'OutputFile' AND '$(two_pass)' == 'true'"></Value>
+      </options>
+
+      <!--//  -t,  -temp <file>          Use temporary <file> for big resources -->
+      <options>
+        <Value Condition="'%(Name)' == 'TempFile'">--temp %(Value)</Value>
+      </options>
+
+      <!--//   -name <name>              Create an external initialization function with <name> -->
+      <options>
+        <Value Condition="'%(Name)' == 'InitFuncName'">--name %(Value)</Value>
+      </options>
+
+      <!--//   -root <path>              Prefix resource access path with root path -->
+      <options>
+        <Value Condition="'%(Name)' == 'Root'">--root %(Value)</Value>
+      </options>
+
+      <!--//   -compress <level>         Compress input files by <level> -->
+      <options>
+        <Value
+          Condition="'%(Name)' == 'Compression' AND '%(Value)' == 'level1'">--compress 1</Value>
+      </options>
+      <options>
+        <Value
+          Condition="'%(Name)' == 'Compression' AND '%(Value)' == 'level2'">--compress 2</Value>
+      </options>
+      <options>
+        <Value
+          Condition="'%(Name)' == 'Compression' AND '%(Value)' == 'level3'">--compress 3</Value>
+      </options>
+      <options>
+        <Value
+          Condition="'%(Name)' == 'Compression' AND '%(Value)' == 'level4'">--compress 4</Value>
+      </options>
+      <options>
+        <Value
+          Condition="'%(Name)' == 'Compression' AND '%(Value)' == 'level5'">--compress 5</Value>
+      </options>
+      <options>
+        <Value
+          Condition="'%(Name)' == 'Compression' AND '%(Value)' == 'level6'">--compress 6</Value>
+      </options>
+      <options>
+        <Value
+          Condition="'%(Name)' == 'Compression' AND '%(Value)' == 'level7'">--compress 7</Value>
+      </options>
+      <options>
+        <Value
+          Condition="'%(Name)' == 'Compression' AND '%(Value)' == 'level8'">--compress 8</Value>
+      </options>
+      <options>
+        <Value
+          Condition="'%(Name)' == 'Compression' AND '%(Value)' == 'level9'">--compress 9</Value>
+      </options>
+      <options>
+        <Value
+          Condition="'%(Name)' == 'Compression'
+          AND !$([System.String]::Copy('%(Value)').StartsWith('--compress'))"></Value>
+      </options>
+
+      <!--//   -no-compress              Disable all compression -->
+      <options>
+        <Value
+          Condition="'%(Name)' == 'NoCompression' AND '%(Value)' != 'true'"></Value>
+      </options>
+      <options>
+        <Value
+          Condition="'%(Name)' == 'NoCompression' AND '%(Value)' == 'true'">--no-compress</Value>
+      </options>
+
+      <!--//   -threshold <level>        Threshold to consider compressing files -->
+      <options>
+        <Value Condition="'%(Name)' == 'CompressThreshold'">--threshold %(Value)</Value>
+      </options>
+
+      <!--//   -binary                   Output a binary file for use as a dynamic source -->
+      <options>
+        <Value Condition="'%(Name)' == 'BinaryOutput' AND '%(Value)' != 'true'"></Value>
+      </options>
+      <options>
+        <Value Condition="'%(Name)' == 'BinaryOutput' AND '%(Value)' == 'true'">--binary</Value>
+      </options>
+
+      <!--//   -no-zstd                 Disable usage of zstd compression -->
+      <options>
+        <Value Condition="'%(Name)' == 'NoZstd' AND '%(Value)' != 'true'"></Value>
+      </options>
+      <options>
+        <Value Condition="'%(Name)' == 'NoZstd' AND '%(Value)' == 'true'">--no-zstd</Value>
+      </options>
+
+      <!--//   -pass <number>            Pass number for big resources -->
+      <options>
+        <Value Condition="'%(Name)' == 'PassNumber'">--pass %(Value)</Value>
+      </options>
+
+      <!--//   -namespace                Turn off namespace macros -->
+      <options>
+        <Value Condition="'%(Name)' == 'NoNamespace' AND '%(Value)' != 'true'"></Value>
+      </options>
+      <options>
+        <Value Condition="'%(Name)' == 'NoNamespace' AND '%(Value)' == 'true'">--namespace</Value>
+      </options>
+
+      <!--//   -verbose                  Enable verbose mode -->
+      <options>
+        <Value Condition="'%(Name)' == 'Verbose' AND '%(Value)' != 'true'"></Value>
+      </options>
+      <options>
+        <Value Condition="'%(Name)' == 'Verbose' AND '%(Value)' == 'true'">--verbose</Value>
+      </options>
+
+      <!--//   -list                     Only list .qrc file entries, do not generate code -->
+      <options>
+        <Value Condition="'%(Name)' == 'List' AND '%(Value)' != 'true'"></Value>
+      </options>
+      <options>
+        <Value Condition="'%(Name)' == 'List' AND '%(Value)' == 'true'">--list</Value>
+      </options>
+
+      <!--//   -project                  Output a resource file containing all files from the
+          //                             current directory -->
+      <options>
+        <Value Condition="'%(Name)' == 'Project' AND '%(Value)' != 'true'"></Value>
+      </options>
+      <options>
+        <Value Condition="'%(Name)' == 'Project' AND '%(Value)' == 'true'">--project</Value>
+      </options>
+
+      <!--//   -format-version <number>  The RCC format version to write -->
+      <options>
+        <Value Condition="'%(Name)' == 'FormatVersion'">--format-version %(Value)</Value>
+      </options>
+    </ItemGroup>
+    <PropertyGroup>
+      <options>@(options->'%(Value)', ' ')</options>
+    </PropertyGroup>
+
+    <!--
+    ///////////////////////////////////////////////////////////////////////////////////////////////
+    // Aux properties
+    // -->
+    <PropertyGroup>
+      <!--// Force modified flag if source was manually selected to build -->
+      <input_changed Condition="'$(SelectedFiles)' == ''"
+        >%(QtRcc.InputChanged)</input_changed>
+      <input_changed Condition="'$(SelectedFiles)' != ''"
+        >true</input_changed>
+
+      <!--// Run work in parallel processes -->
+      <run_parallel Condition="'@(QtRcc)' != ''
+        AND '%(QtRcc.ParallelProcess)' == 'true'
+        AND '$(SelectedFiles)' == ''"
+        >true</run_parallel>
+
+      <!--// Run work in single process -->
+      <run_single Condition="'@(QtRcc)' != ''
+        AND ('%(QtRcc.ParallelProcess)' != 'true'
+         OR '$(SelectedFiles)' != '')"
+        >true</run_single>
+
+      <!--// Get relative path to output -->
+      <output_relative
+>$([MSBuild]::MakeRelative($(ProjectDir), %(QtRcc.OutputFile)).TrimStart('\'))</output_relative>
+    </PropertyGroup>
+
+    <!--
+    ///////////////////////////////////////////////////////////////////////////////////////////////
+    // Create work item
+    // -->
+    <ItemGroup Condition="'$(run_parallel)' == 'true' OR '$(run_single)' == 'true'">
+      <QtWork Include="@(QtRcc)">
+        <WorkType>rcc</WorkType>
+        <ToolPath Condition="'$(QtVsProjectSettings)' == 'true'">$(QtToolsPath)/rcc</ToolPath>
+        <ToolPath Condition="'$(QtVsProjectSettings)' != 'true'">%(QtRcc.QTDIR)\bin\rcc.exe</ToolPath>
+        <Options>$(options)</Options>
+        <Message>%(QtRcc.ExecutionDescription)</Message>
+        <DependenciesChanged>$(dependencies_changed)</DependenciesChanged>
+        <InputChanged>$(input_changed)</InputChanged>
+        <ParallelBuild Condition="'$(run_parallel)' == 'true'">true</ParallelBuild>
+        <ParallelBuild Condition="'$(run_single)'   == 'true'">false</ParallelBuild>
+        <!--
+        ///////////////////////////////////////////////////////////////////////////////////////////
+        // Two-pass ("resources_big"): pass 1 -->
+        <Message Condition="'%(QtRcc.TwoPass)' == 'true'">%(QtRcc.ExecutionDescription) [pass 1]</Message>
+        <RccPass Condition="'%(QtRcc.TwoPass)' == 'true'">1</RccPass>
+        <RccOptions Condition="'%(QtRcc.TwoPass)' == 'true'">$(options)</RccOptions>
+        <Options Condition="'%(QtRcc.TwoPass)' == 'true'"
+          >$(options) -pass 1 -o &quot;%(OutputFile)&quot;</Options>
+        <Optimization Condition="'%(QtRcc.TwoPass)' == 'true'">Disabled</Optimization>
+        <!--
+        ///////////////////////////////////////////////////////////////////////////////////////////
+        // C++ dynamic source -->
+        <ClCompile Condition="'%(QtRcc.DynamicSource)' == 'output'">$(output_relative)</ClCompile>
+      </QtWork>
+    </ItemGroup>
+
+    <!--
+    ///////////////////////////////////////////////////////////////////////////////////////////////
+    // Clean-up
+    // -->
+    <PropertyGroup>
+      <options/>
+      <dependencies_changed/>
+      <input_changed/>
+      <run_parallel/>
+      <run_single/>
+      <output_relative/>
+      <two_pass/>
+    </PropertyGroup>
+    <ItemGroup>
+      <LocalOptions Remove="@(LocalOptions)"/>
+      <options Remove="@(options)"/>
+      <selected_files Remove="@(selected_files)"/>
+    </ItemGroup>
+  </Target>
+
+  <!--
+  /////////////////////////////////////////////////////////////////////////////////////////////////
+  /// TARGET QtRccPass2
+  /////////////////////////////////////////////////////////////////////////////////////////////////
+  // Two-pass ("resources_big"): pass 2
+  // -->
+  <Target Name="QtRccPass2"
+    DependsOnTargets="QtRccPass2_GetObjs;QtRccPass2_Exec"/>
+
+  <Target Name="QtRccPass2_GetObjs"
+    DependsOnTargets="ComputeCLOutputs">
+    <ItemGroup>
+      <QtRccObj Include="@(Obj->WithMetadataValue('RccPass', '1'))">
+        <RccPass>2</RccPass>
+      </QtRccObj>
+    </ItemGroup>
+  </Target>
+
+  <Target Name="QtRccPass2_Exec"
+    DependsOnTargets="QtRccPass2_GetObjs"
+    Condition="'@(QtRccObj)' != ''">
+    <Move
+      SourceFiles="%(QtRccObj.Identity)"
+      DestinationFiles="%(QtRccObj.Identity)_TMP"/>
+    <Exec
+      Command="@(QtRccObj->'ECHO %(ExecutionDescription) [pass 2] &amp; %(ToolPath) %(RccOptions) -pass 2 -temp &quot;%(Identity)_TMP&quot; -o &quot;%(Identity)&quot;')"
+      IgnoreExitCode="true"/>
+    <ItemGroup>
+      <Obj Remove="@(QtRccObj->'%(Identity)')"/>
+      <Obj Include="@(QtRccObj)"/>
+      <QtRccObj Remove="@(QtRccObj)"/>
+    </ItemGroup>
+  </Target>
+
+  <Target Name="QtRccPass2_Link"
+    DependsOnTargets="QtRccPass2"/>
+
+  <Target Name="QtRccPass2_Lib"
+    DependsOnTargets="QtRccPass2"/>
+
+  <PropertyGroup>
+    <ComputeLinkInputsTargets>
+      $(ComputeLinkInputsTargets);
+      ;QtRccPass2_Link;
+    </ComputeLinkInputsTargets>
+    <ComputeLibInputsTargets>
+      $(ComputeLibInputsTargets);
+      ;QtRccPass2_Lib;
+    </ComputeLibInputsTargets>
+  </PropertyGroup>
+
+  <!--
+  /////////////////////////////////////////////////////////////////////////////////////////////////
+  // Import dependants
+  // -->
+  <Import
+    Condition="'$(QtMsBuildTargets_AfterRcc)' != ''"
+    Project="$(QtMsBuildTargets_AfterRcc)"/>
+
+</Project>

Source/VSProps/qtrcc.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<ProjectSchemaDefinitions xmlns="http://schemas.microsoft.com/build/2009/properties">
+  <ItemType Name="QtRcc" DisplayName="Qt Resource File" />
+  <ContentType Name="QtRcc" DisplayName="Qt Resource Compiler" />
+</ProjectSchemaDefinitions>