Qt: Drop Qt 6.7.0 workarounds

Fedora 41 is out with Qt 6.8.0.

CMakeModules/DuckStationDependencies.cmake

@@ -20,7 +20,7 @@ find_package(lunasvg 2.4.1 REQUIRED)
 find_package(cpuinfo REQUIRED)
 find_package(DiscordRPC 3.4.0 REQUIRED)
 find_package(SoundTouch 2.3.3 REQUIRED)
-find_package(libzip 1.10.1 REQUIRED)
+find_package(libzip 1.11.1 REQUIRED)
 
 if(NOT WIN32)
   find_package(CURL REQUIRED)
@@ -40,7 +40,7 @@ if(ENABLE_WAYLAND)
 endif()
 
 if(BUILD_QT_FRONTEND)
-  find_package(Qt6 6.7.0 COMPONENTS Core Gui Widgets LinguistTools REQUIRED)
+  find_package(Qt6 6.8.0 COMPONENTS Core Gui Widgets LinguistTools REQUIRED)
 endif()
 
 find_package(Shaderc REQUIRED)

src/duckstation-qt/logwindow.cpp

@@ -269,7 +269,7 @@ void LogWindow::logCallback(void* pUserParam, const char* channelName, const cha
 
   const QLatin1StringView qchannel((level <= Log::Level::Warning) ? functionName : channelName);
 
-  if (EmuThread::isMainThread())
+  if (QThread::isMainThread())
   {
     this_ptr->appendMessage(qchannel, static_cast<u32>(level), qmessage);
   }

src/duckstation-qt/qthost.cpp

@@ -131,20 +131,6 @@ EmuThread::EmuThread(QThread* ui_thread) : QThread(), m_ui_thread(ui_thread)
 
 EmuThread::~EmuThread() = default;
 
-#if QT_VERSION < QT_VERSION_CHECK(6, 8, 0)
-
-bool EmuThread::isMainThread()
-{
-  return (QThread::currentThread() == g_emu_thread->m_ui_thread);
-}
-
-bool EmuThread::isCurrentThread() const
-{
-  return QThread::currentThread() == this;
-}
-
-#endif
-
 void QtHost::RegisterTypes()
 {
   // Register any standard types we need elsewhere
@@ -1757,7 +1743,7 @@ void EmuThread::queueAuxiliaryRenderWindowInputEvent(Host::AuxiliaryRenderWindow
                                                      Host::AuxiliaryRenderWindowEventParam param2,
                                                      Host::AuxiliaryRenderWindowEventParam param3)
 {
-  DebugAssert(isMainThread());
+  DebugAssert(QThread::isMainThread());
   QMetaObject::invokeMethod(this, "processAuxiliaryRenderWindowInputEvent", Qt::QueuedConnection,
                             Q_ARG(void*, userdata), Q_ARG(quint32, static_cast<quint32>(event)),
                             Q_ARG(quint32, param1.uint_param), Q_ARG(quint32, param2.uint_param),

src/duckstation-qt/qthost.h

@@ -87,11 +87,6 @@ public:
   static void start();
   static void stop();
 
-#if QT_VERSION < QT_VERSION_CHECK(6, 8, 0)
-  static bool isMainThread();
-  bool isCurrentThread() const;
-#endif
-
   ALWAYS_INLINE QEventLoop* getEventLoop() const { return m_event_loop; }
 
   ALWAYS_INLINE bool isFullscreen() const { return m_is_fullscreen; }