don't set blur unless asked to, it is slow

1faa50e6 · Martin Tobias Holmedahl Sandsmark · Kurt Hindenburg · d1a90cf3 · 1faa50e6 · 1faa50e6
Commit 1faa50e6 authored Oct 11, 2019 by Martin Tobias Holmedahl Sandsmark Committed by Kurt Hindenburg Sep 05, 2020
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src/MainWindow.cpp src/MainWindow.cpp +6 -0

src/MainWindow.h src/MainWindow.h +1 -0

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--- a/src/MainWindow.cpp
+++ b/src/MainWindow.cpp
@@ -839,6 +839,12 @@ void MainWindow::setBlur(bool blur)
        return;
    }

+    // Saves 70-100ms when starting
+    if (blur == _blurEnabled) {
+        return;
+    }
+    _blurEnabled = blur;
+
    if (!_pluggedController->isKonsolePart()) {
        KWindowEffects::enableBlurBehind(winId(), blur);
    }

--- a/src/MainWindow.h
+++ b/src/MainWindow.h
@@ -199,6 +199,7 @@ private:

    bool _menuBarInitialVisibility;
    bool _menuBarInitialVisibilityApplied;
+    bool _blurEnabled = false;
 };
 }