Make Qt6WebView optional

This is only useful on the Steam Deck, and not needed on Windows at all

CMakeLists.txt

@@ -6,6 +6,7 @@ project(Astra VERSION 0.6.0 LANGUAGES CXX)
 
 # build options used for distributors
 option(BUILD_FLATPAK "Build for Flatpak." OFF)
+option(BUILD_WEBVIEW "Build support for the integrated web browser. Only used on the Steam Deck." OFF)
 
 # options for features you may want or need
 if (NOT WIN32 AND NOT APPLE)
@@ -43,6 +44,9 @@ find_package(Qt6 ${QT_MIN_VERSION} REQUIRED COMPONENTS
         WebView
         Concurrent
         Test)
+if (BUILD_WEBVIEW)
+    find_package(Qt6WebView ${QT_MIN_VERSION} REQUIRED)
+endif ()
 find_package(KF6 ${KF_MIN_VERSION} REQUIRED COMPONENTS Kirigami I18n Config CoreAddons Archive)
 find_package(QCoro6 REQUIRED COMPONENTS Core Network Qml)
 qcoro_enable_coroutines()

launcher/CMakeLists.txt

@@ -138,7 +138,6 @@ target_link_libraries(astra PRIVATE
         Qt6::Widgets
         Qt6::Quick
         Qt6::QuickControls2
-        Qt6::WebView
         Qt6::Concurrent
         KF6::Kirigami
         KF6::I18n
@@ -149,6 +148,12 @@ target_link_libraries(astra PRIVATE
         QCoro::Core
         QCoro::Network
         QCoro::Qml)
+if (BUILD_WEBVIEW)
+    target_link_libraries(astra PRIVATE
+            Qt6::WebView
+    )
+    target_compile_definitions(astra PRIVATE HAVE_WEBVIEW)
+endif ()
 if (NOT MSVC)
     target_compile_options(astra PRIVATE -fexceptions)
 endif ()
@@ -164,7 +169,9 @@ endif ()
 
 install(TARGETS astra ${KF6_INSTALL_TARGETS_DEFAULT_ARGS})
 
-qt_generate_deploy_app_script(
+qt_finalize_target(astra)
+
+qt_generate_deploy_qml_app_script(
         TARGET astra
         OUTPUT_SCRIPT deploy_script
         NO_UNSUPPORTED_PLATFORM_ERROR

launcher/src/main.cpp

@@ -8,10 +8,13 @@
 #include <QCommandLineParser>
 #include <QMessageBox>
 #include <QQuickStyle>
-#include <QtWebView>
 #include <kdsingleapplication.h>
 #include <qcoroqml.h>
 
+#ifdef HAVE_WEBVIEW
+#include <QtWebView>
+#endif
+
 #include "astra-version.h"
 #include "compatibilitytoolinstaller.h"
 #include "gameinstaller.h"
@@ -24,14 +27,16 @@ using namespace Qt::StringLiterals;
 
 int main(int argc, char *argv[])
 {
+#ifdef HAVE_WEBVIEW
     QtWebView::initialize();
+#endif
 
     if (qEnvironmentVariable("SteamDeck") == QStringLiteral("1")) {
         qputenv("QT_SCALE_FACTOR", "1.25");
         qputenv("QT_QUICK_CONTROLS_MOBILE", "1");
     }
 
-    QApplication app(argc, argv);
+    QGuiApplication app(argc, argv);
 
     KDSingleApplication singleApplication;
     if (!singleApplication.isPrimaryInstance()) {