Improve setup and add auto-enabling of the XR driver

kwin/bin/breezy_kwin_uninstall

@@ -47,13 +47,9 @@ if [[ -f "$CONFIG_SO" ]]; then
     $SUDO rm -f "$CONFIG_SO"
 fi
 
-if [ -e "$XDG_BIN_HOME/xr_driver_uninstall" ]; then
-  [ "$for_install" -eq 0 ] && echo "Uninstalling XRLinuxDriver"
-  if [ "$for_install" -eq 1 ]; then
-      sudo $XDG_BIN_HOME/xr_driver_uninstall --for-install
-  else
-      sudo $XDG_BIN_HOME/xr_driver_uninstall
-  fi
+if [[ -e "$XDG_BIN_HOME/xr_driver_uninstall" && "$for_install" -eq 0 ]]; then
+  echo "Uninstalling XRLinuxDriver"
+  sudo "$XDG_BIN_HOME/xr_driver_uninstall"
 fi
 
 # this script is self-deleting, leave this as the last command

kwin/bin/setup

@@ -80,7 +80,7 @@ EOF
 fi
 
 # set up the XR driver using the local binary
-echo "Installing xrDriver"
+echo "Installing xrDriver (requires sudo)"
 echo "BEGIN - xr_driver_setup"
 if [ -z "$1" ]
 then
@@ -89,4 +89,6 @@ else
   sudo bin/xr_driver_setup -v $1 $(pwd)/xrDriver.tar.gz
 fi
 
-echo "END - xr_driver_setup"
+echo "END - xr_driver_setup"
+
+printf "\n\033[1;33m!!! IMPORTANT !!!\033[0m You must log out and back in, then enable Breezy Desktop from the Desktop Effects in System Settings\n\n"

kwin/src/breezydesktopeffect.cpp

@@ -123,6 +123,8 @@ BreezyDesktopEffect::BreezyDesktopEffect()
     connect(m_cursorUpdateTimer, &QTimer::timeout, this, &BreezyDesktopEffect::updateCursorPos);
     m_cursorUpdateTimer->setInterval(16); // ~60Hz
     m_cursorUpdateTimer->start();
+
+    enableDriver();
 }
 
 void BreezyDesktopEffect::setupGlobalShortcut(const BreezyShortcuts::Shortcut &shortcut, std::function<void()> triggeredFunc) {
@@ -177,7 +179,6 @@ void BreezyDesktopEffect::activate()
 
     // QuickSceneEffect grabs the keyboard and mouse input, which pulls focus away from the active window
     // and doesn't allow for interaction with anything on the desktop. These two calls fix that.
-    // TODO - move away from QuickSceneEffect
     effects->ungrabKeyboard();
     effects->stopMouseInterception(this);
 
@@ -205,6 +206,65 @@ void BreezyDesktopEffect::deactivate()
     m_shutdownTimer->start(250);
 }
 
+void BreezyDesktopEffect::enableDriver()
+{
+    qCCritical(KWIN_XR) << "\t\t\tBreezy - enableDriver";
+    QByteArray homeEnv = qgetenv("HOME");
+    QString program = QString::fromUtf8(homeEnv) + QStringLiteral("/.local/bin/xr_driver_cli");
+
+    // Helper lambda to start the second call
+    auto setBreezyDesktopMode = [this, program]() {
+        QProcess *proc2 = new QProcess(this);
+        proc2->setProgram(program);
+        proc2->setArguments({QStringLiteral("-bd")}); // change the mode to Breezy Desktop
+        proc2->setProcessChannelMode(QProcess::MergedChannels);
+
+        connect(proc2, &QProcess::readyReadStandardOutput, this, [proc2]() {
+            const QByteArray out = proc2->readAllStandardOutput();
+            if (!out.isEmpty()) {
+                qCInfo(KWIN_XR) << "xr_driver_cli -bd:" << out;
+            }
+        });
+        connect(proc2, &QProcess::errorOccurred, this, [proc2](QProcess::ProcessError err) {
+            qCCritical(KWIN_XR) << "xr_driver_cli -bd error" << err << proc2->errorString();
+        });
+        connect(proc2, QOverload<int,QProcess::ExitStatus>::of(&QProcess::finished),
+                this, [this, proc2](int code, QProcess::ExitStatus status) {
+            qCInfo(KWIN_XR) << "xr_driver_cli -bd exited" << code << "status" << status;
+            proc2->deleteLater();
+        });
+
+        proc2->start();
+    };
+
+    QProcess *proc1 = new QProcess(this);
+    proc1->setProgram(program);
+    proc1->setArguments({QStringLiteral("-e")}); // enable flag
+    proc1->setProcessChannelMode(QProcess::MergedChannels);
+
+    connect(proc1, &QProcess::readyReadStandardOutput, this, [proc1]() {
+        const QByteArray out = proc1->readAllStandardOutput();
+        if (!out.isEmpty()) {
+            qCInfo(KWIN_XR) << "xr_driver_cli -e:" << out;
+        }
+    });
+    connect(proc1, &QProcess::errorOccurred, this, [proc1](QProcess::ProcessError err) {
+        qCCritical(KWIN_XR) << "xr_driver_cli -e error" << err << proc1->errorString();
+    });
+    connect(proc1, QOverload<int,QProcess::ExitStatus>::of(&QProcess::finished),
+            this, [proc1, setBreezyDesktopMode](int code, QProcess::ExitStatus status) {
+        qCInfo(KWIN_XR) << "xr_driver_cli -e exited" << code << "status" << status;
+        proc1->deleteLater();
+        if (status == QProcess::NormalExit && code == 0) {
+            setBreezyDesktopMode();
+        } else {
+            qCCritical(KWIN_XR) << "First call failed; not starting second.";
+        }
+    });
+
+    proc1->start();
+}
+
 void BreezyDesktopEffect::realDeactivate()
 {
     qCCritical(KWIN_XR) << "\t\t\tBreezy - realDeactivate";

kwin/src/breezydesktopeffect.h

@@ -66,6 +66,7 @@ namespace KWin
     public Q_SLOTS:
         void activate();
         void deactivate();
+        void enableDriver();
         void toggle();
         void recenter();
         void toggleZoomOnFocus();