Cancel any screen saver when an alarm is displayed

CMakeLists.txt

@@ -76,6 +76,7 @@ find_package(KF5GlobalAccel ${KF5_MIN_VERSION} REQUIRED)
 find_package(KF5GuiAddons ${KF5_MIN_VERSION} REQUIRED)
 find_package(KF5Holidays ${KF5_MIN_VERSION} CONFIG REQUIRED)
 find_package(KF5I18n ${KF5_MIN_VERSION} CONFIG REQUIRED)
+find_package(KF5IdleTime ${KF5_MIN_VERSION} CONFIG REQUIRED)
 find_package(KF5JobWidgets ${KF5_MIN_VERSION} REQUIRED)
 find_package(KF5KCMUtils ${KF5_MIN_VERSION} CONFIG REQUIRED)
 find_package(KF5KIO ${KF5_MIN_VERSION} CONFIG REQUIRED)

Changelog

@@ -3,6 +3,7 @@ KAlarm Change Log
 === Version 3.1.0 (KDE Applications 20.12) --- 25 October 2020 ===
 + Add option to show alarm message as a notification instead of in a window [KDE Bug 345922]
 + Don't execute display alarms while desktop notifications are inhibited.
++ Cancel any screen saver when an alarm is displayed.
 
 === Version 3.0.3 (KDE Applications 20.08.3) --- 25 October 2020 ===
 + Prevent resources being disabled at logout [KDE Bug 427722]

src/CMakeLists.txt

@@ -173,6 +173,7 @@ target_link_libraries(kalarm_bin
     KF5::GlobalAccel
     KF5::GuiAddons
     KF5::Holidays
+    KF5::IdleTime
     KF5::KIOWidgets
     KF5::Notifications
     KF5::NotifyConfig

src/messagenotification.cpp

@@ -18,6 +18,7 @@
 
 #include <KAboutData>
 #include <KLocalizedString>
+#include <KIdleTime>
 #ifdef RESTORE_NOTIFICATIONS
 #include <KConfigGroup>
 #include <KConfigGui>
@@ -360,6 +361,9 @@ void MessageNotification::showDisplay()
             qCDebug(KALARM_LOG) << "MessageNotification::showDisplay: sendEvent";
             sendEvent();
             mShown = true;
+            // Ensure that the screen wakes from sleep, in case the window manager
+            // doesn't do this when the notification is displayed.
+            KIdleTime::instance()->simulateUserActivity();
         }
         if (!mDisplayComplete  &&  !mErrorWindow()  &&  mAlarmType() != KAAlarm::INVALID_ALARM)
             mHelper->displayComplete(false);   // reschedule

src/messagewindow.cpp

@@ -34,6 +34,7 @@
 #include <KTextEdit>
 #include <KWindowSystem>
 #include <KSqueezedTextLabel>
+#include <KIdleTime>
 #if KDEPIM_HAVE_X11
 #include <KWindowInfo>
 #include <netwm.h>
@@ -827,6 +828,9 @@ void MessageWindow::display()
         if (Preferences::messageButtonDelay() == 0)
             move(0, 0);
         MainWindowBase::show();
+        // Ensure that the screen wakes from sleep, in case the window manager
+        // doesn't do this when the window is displayed.
+        KIdleTime::instance()->simulateUserActivity();
     }
 }