Fix package/build process so it produces steamos and non-steamos arch binaries

bin/package_kwin

@@ -4,15 +4,20 @@
 set -e
 
 ARCH=${ARCH:-$(uname -m)}
+BUILD_ARCH=$ARCH
+if [ -n "${STEAMOS+x}" ]; then
+    ARCH="x86_64"
+    BUILD_ARCH="steamos"
+fi
 
 # https://stackoverflow.com/a/246128
 SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)
 ROOT_DIR=$(realpath $SCRIPT_DIR/..)
 XR_DRIVER_DIR=$ROOT_DIR/modules/XRLinuxDriver
 
-echo "Building Breezy KWin for $ARCH"
+echo "Building Breezy KWin for $BUILD_ARCH"
 KWIN_DIR=$ROOT_DIR/kwin
-BUILD_FILE_NAME=breezyKWin-$ARCH.tar.gz
+BUILD_FILE_NAME=breezyKWin-$BUILD_ARCH.tar.gz
 
 TMP_DIR=$(mktemp -d -t breezy-kwin-XXXXXXXXXX)
 PACKAGE_DIR=$TMP_DIR/breezy_kwin
@@ -56,9 +61,9 @@ cp $XR_DRIVER_DIR/bin/xr_driver_setup $PACKAGE_DIR/bin
 
 pushd $KWIN_DIR
 docker-build/init.sh
-docker-build/run-build.sh $ARCH
+docker-build/run-build.sh $BUILD_ARCH
 popd
-cp $KWIN_DIR/out/breezyKWinPlugin-$ARCH.tar.gz $PACKAGE_DIR/breezyKWinPlugin.tar.gz
+cp $KWIN_DIR/out/breezyKWinPlugin-$BUILD_ARCH.tar.gz $PACKAGE_DIR/breezyKWinPlugin.tar.gz
 
 pushd $TMP_DIR
 tar -zcvf $BUILD_FILE_NAME breezy_kwin

kwin/CMakeLists.txt

@@ -40,9 +40,6 @@ if(${QT_MAJOR_VERSION} EQUAL 6)
     find_package(KF${QT_MAJOR_VERSION} ${KF_MIN_VERSION} REQUIRED COMPONENTS KCMUtils)
     find_package(KWin REQUIRED COMPONENTS kwineffects)
     message(STATUS "Found KWin Version: ${KWin_VERSION}")
-else()
-    find_package(KWinEffects REQUIRED COMPONENTS kwineffects kwinglutils)
-    message(STATUS "Found KWin Version: ${KWinEffects_VERSION}")
 endif ()
 include(cmake/info.cmake)
 find_package(epoxy REQUIRED)

kwin/bin/package_kwin_plugin

@@ -4,6 +4,9 @@
 set -e
 
 ARCH=${ARCH:-$(uname -m)}
+if [ -n "${STEAMOS+x}" ]; then
+    ARCH="steamos"
+fi
 echo "Building Breezy KWin plugin for $ARCH"
 
 BUILD_PATH=build

kwin/bin/setup

@@ -45,13 +45,23 @@ UA_EVENT_VERSION="$1"
 tar -xf $(pwd)/breezyKWinPlugin.tar.gz
 pushd breezy_desktop/usr > /dev/null
 
+# locate the lib path that ends with qt6/plugins (handles multiarch dirs)
+QT_PLUGIN_DIR_RELATIVE=$(find lib -type d -path '*/qt6/plugins' -print -quit 2>/dev/null || true)
+if [ -z "$QT_PLUGIN_DIR_RELATIVE" ]; then
+  QT_PLUGIN_DIR_RELATIVE="lib/qt6/plugins"
+fi
+
 # directory structure matches XDG, so just recursive copy
-$SUDO cp -r . "$USER_HOME/.local/"
+chmod -R 755 .
+cp -r . "$USER_HOME/.local/"
+
 popd
 
+cp bin/breezy_kwin_uninstall $XDG_BIN_HOME
+
 # Install QT_PLUGIN_PATH snippet into ~/.bash_profile if not present
 BASH_PROFILE="$HOME/.bash_profile"
-QT_PLUGIN_DIR="$HOME/.local/lib/qt6/plugins"
+QT_PLUGIN_DIR="$HOME/.local/$QT_PLUGIN_DIR_RELATIVE"
 QT_PLUGIN_EXPORT="export QT_PLUGIN_PATH=\"$QT_PLUGIN_DIR\""
 if [[ ! -f "$BASH_PROFILE" ]] || ! grep -Fq "$QT_PLUGIN_EXPORT" "$BASH_PROFILE" 2>/dev/null; then
   mkdir -p "$(dirname "$BASH_PROFILE")"

kwin/docker-build/Dockerfile

@@ -3,7 +3,7 @@
 #    docker run --rm -t -v ./:/source -v --platform linux/amd64 "breezy-kwin:amd64"
 #    docker run --rm -t -v ./:/source -v --platform linux/arm64 "breezy-kwin:arm64"
 
-FROM --platform=$TARGETPLATFORM ghcr.io/steamdeckhomebrew/holo-base:3.7@sha256:8da120a3e89c750abd0090c0aab86d543a55d667c3002c8d64960f7fd82ccdd6
+FROM --platform=$TARGETPLATFORM archlinux:base-20250817.0.405639@sha256:31f0749bdb81517dc8f379feac0a3860b097f1da1f53c8315c1bae0817d6c0a1
 
 ARG TARGETPLATFORM
 RUN echo "Target platform: $TARGETPLATFORM"

kwin/docker-build/Dockerfile.steamos

@@ -0,0 +1,37 @@
+# To run the build from the package root:
+#    docker buildx build --platform linux/amd64,linux/arm64 -f ./docker-build/Dockerfile.steamos -t "breezy-kwin-steamos" .
+#    docker run --rm -t -v ./:/source -v --platform linux/amd64 "breezy-kwin-steamos:amd64"
+#    docker run --rm -t -v ./:/source -v --platform linux/arm64 "breezy-kwin-steamos:arm64"
+
+FROM --platform=$TARGETPLATFORM ghcr.io/steamdeckhomebrew/holo-base:3.7@sha256:8da120a3e89c750abd0090c0aab86d543a55d667c3002c8d64960f7fd82ccdd6
+
+ARG TARGETPLATFORM
+ENV STEAMOS=1
+RUN echo "SteamOS build - target platform: $TARGETPLATFORM"
+
+RUN pacman -Sy --noconfirm --needed \
+    ca-certificates \
+    base-devel \
+    cmake \
+    pkgconf \
+    git \
+    curl \
+    wget \
+    extra-cmake-modules \
+    qt6-base \
+    qt6-declarative \
+    qt6-tools \
+    kconfig \
+    kconfigwidgets \
+    kcoreaddons \
+    kglobalaccel \
+    ki18n \
+    kcmutils \
+    kxmlgui \
+    kwindowsystem \
+    kwin \
+ && pacman -Scc --noconfirm
+
+WORKDIR /source
+
+CMD bin/package_kwin_plugin

kwin/docker-build/init.sh

@@ -20,3 +20,4 @@ fi
 echo "Building docker image"
 docker buildx build --platform linux/amd64 -f ./docker-build/Dockerfile -t "breezy-kwin:amd64" --load .
 # docker buildx build --platform linux/arm64 -f ./docker-build/Dockerfile -t "breezy-kwin:arm64" --load .
+docker buildx build --platform linux/amd64 -f ./docker-build/Dockerfile.steamos -t "breezy-kwin-steamos:amd64" --load .

kwin/docker-build/run-build.sh

@@ -18,5 +18,11 @@ if [[ "$1" == "aarch64" || -z "$1"  ]]; then
     sudo chown -R $USER:$GROUP out/
 fi
 
+if [[ "$1" == "steamos" || -z "$1"  ]]; then
+    sudo rm -rf build/
+    docker run --rm -t -v ./:/source --platform linux/amd64 "breezy-kwin-steamos:amd64"
+    sudo chown -R $USER:$GROUP out/
+fi
+
 # build directory structure is all owned by root because of docker, delete it all now
 sudo chown -R $USER:$GROUP build/

kwin/src/CMakeLists.txt

@@ -7,6 +7,36 @@ target_sources(breezy_desktop PRIVATE
 )
 kconfig_add_kcfg_files(breezy_desktop breezydesktopconfig.kcfgc)
 
+# Split KWin version into numeric components (major, minor, patch)
+string(REGEX MATCHALL "[0-9]+" KWIN_VERSION_COMPONENTS "${KWin_VERSION}")
+
+# defaults
+set(KWIN_VERSION_MAJOR 0)
+set(KWIN_VERSION_MINOR 0)
+set(KWIN_VERSION_PATCH 0)
+
+list(LENGTH KWIN_VERSION_COMPONENTS _kwin_version_len)
+if(_kwin_version_len GREATER 0)
+    list(GET KWIN_VERSION_COMPONENTS 0 KWIN_VERSION_MAJOR)
+endif()
+if(_kwin_version_len GREATER 1)
+    list(GET KWIN_VERSION_COMPONENTS 1 KWIN_VERSION_MINOR)
+endif()
+if(_kwin_version_len GREATER 2)
+    list(GET KWIN_VERSION_COMPONENTS 2 KWIN_VERSION_PATCH)
+endif()
+
+# optional: a single encoded integer (major*10000 + minor*100 + patch)
+math(EXPR KWIN_VERSION_ENCODED "${KWIN_VERSION_MAJOR} * 10000 + ${KWIN_VERSION_MINOR} * 100 + ${KWIN_VERSION_PATCH}")
+
+# Export as compile definitions. Keep the original string macro as well.
+target_compile_definitions(breezy_desktop PRIVATE
+        KWIN_VERSION_STR=\"${KWin_VERSION}\"
+        KWIN_VERSION_MAJOR=${KWIN_VERSION_MAJOR}
+        KWIN_VERSION_MINOR=${KWIN_VERSION_MINOR}
+        KWIN_VERSION_PATCH=${KWIN_VERSION_PATCH}
+        KWIN_VERSION_ENCODED=${KWIN_VERSION_ENCODED}
+)
 target_include_directories(breezy_desktop PRIVATE /usr/include/kwin)
 target_link_libraries(breezy_desktop
     Qt6::Core

kwin/src/breezydesktopeffect.cpp

@@ -233,8 +233,12 @@ void BreezyDesktopEffect::addVirtualDisplay(QSize size)
     static int virtualDisplayCount = 0;
     ++virtualDisplayCount;
     QString name = QStringLiteral("BreezyDesktop_VirtualDisplay_%1x%2_%3").arg(size.width()).arg(size.height()).arg(virtualDisplayCount);
-    QString description = QStringLiteral("Breezy Display %1x%2 (%3)").arg(size.width()).arg(size.height()).arg(virtualDisplayCount);
+    #if defined(KWIN_VERSION_ENCODED) && KWIN_VERSION_ENCODED > 60290
-    auto output = KWin::kwinApp()->outputBackend()->createVirtualOutput(name, size, 1.0);
+        QString description = QStringLiteral("Breezy Display %1x%2 (%3)").arg(size.width()).arg(size.height()).arg(virtualDisplayCount);
+        auto output = KWin::kwinApp()->outputBackend()->createVirtualOutput(name, description, size, 1.0);
+    #else
+        auto output = KWin::kwinApp()->outputBackend()->createVirtualOutput(name, size, 1.0);
+    #endif
     if (output) {
         m_virtualOutputs.append(output);
     }

kwin/src/metadata.json

@@ -10,7 +10,6 @@
         "Category": "Tools",
         "Description": "Breezy Desktop XR Effect",
         "EnabledByDefault": true,
-        "Id": "breezy_desktop",
         "License": "GPL",
         "Name": "Breezy Desktop XR"
     },