Prevent screen-blanking/screen-saver/sleep on Windows

arnoo-sel · Jun 2, 2023 · c8f13f6 · c8f13f6
1 parent e2ad0a2
commit c8f13f6
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Showing 2 changed files with 24 additions and 7 deletions.
diff --git a/src/display/prevent_screensaver_windows.cpp b/src/display/prevent_screensaver_windows.cpp
@@ -0,0 +1,15 @@
+/*
+ * 2023 Arnaud Sellier
+ *
+ * Software: VCS
+ *
+ */
+
+#include <windows.h>
+#include "main.h"
+
+subsystem_releaser_t kd_prevent_screensaver(void)
+{
+    SetThreadExecutionState(ES_CONTINUOUS | ES_DISPLAY_REQUIRED | ES_SYSTEM_REQUIRED);
+    return []{}; // no need to unset, OS takes care of that
+}
diff --git a/vcs.pro b/vcs.pro
@@ -24,6 +24,13 @@ linux {
         -lopencv_highgui \
         -lopencv_core \
         -lopencv_photo
+
+    contains(DEFINES, VCS_FOR_X11) {
+        SOURCES += src/display/prevent_screensaver_x11.cpp
+        LIBS += -lX11 -lXext
+    } else {
+        SOURCES += src/display/prevent_screensaver_null.cpp
+    }
 }
 
 win32 {
@@ -42,6 +49,8 @@ win32 {
         -L"../opencv-3.4.14/mingw/install/x64/mingw/lib" \
         -lopencv_world3414
 
+    SOURCES += src/display/prevent_screensaver_windows.cpp
+
     RC_ICONS = "src/display/qt/images/icons/appicon.ico"
 }
 
@@ -306,13 +315,6 @@ contains(DEFINES, CAPTURE_BACKEND_RGBEASY) {
     }
 }
 
-contains(DEFINES, VCS_FOR_X11) {
-    SOURCES += src/display/prevent_screensaver_x11.cpp
-    LIBS += -lX11 -lXext
-} else {
-    SOURCES += src/display/prevent_screensaver_null.cpp
-}
-
 QT += core gui widgets opengl openglwidgets
 TARGET = vcs
 TEMPLATE = app