Try to fix Windows default track size

Related to #629

src/mainwindow.cpp

@@ -1758,14 +1758,15 @@ bool MainWindow::readOptions()
         dir.mkpath(QStringLiteral("."));
         KdenliveSettings::setDefaultprojectfolder(dir.absolutePath());
     }
+    QFont ft = QFontDatabase::systemFont(QFontDatabase::SmallestReadableFont);
+    // Default unit for timeline.qml objects size
+    int baseUnit = qMax(28, (int) (QFontInfo(ft).pixelSize() * 1.8 + 0.5));
     if (KdenliveSettings::trackheight() == 0) {
-        QFont ft = QFontDatabase::systemFont(QFontDatabase::SmallestReadableFont);
-        int trackHeight = qMax(50, (int) (3.6 * QFontInfo(ft).pixelSize() + 6));
+        int trackHeight = qMax(50, 2 * baseUnit + 6);
         KdenliveSettings::setTrackheight(trackHeight);
     }
     if (KdenliveSettings::headerwidth() == 0) {
-        QFont ft = QFontDatabase::systemFont(QFontDatabase::SmallestReadableFont);
-        int trackWidth = qMax(50, 6 * (int)(1.8 * QFontInfo(ft).pixelSize() + 2));
+        int trackWidth = qMax(50, 6 * (baseUnit + 2));
         KdenliveSettings::setHeaderwidth(trackWidth);
     }
     bool firstRun = false;

src/timeline2/view/qml/AudioLevels.qml

@@ -52,8 +52,6 @@ Item {
             id: levelsContainer
             width: recContainer.width - recbutton.width - 6
             height: recbutton.height
-            border.color: "#000000"
-            border.width: 1
             color: Qt.lighter(activePalette.base)
             Repeater {
                 model: audiorec.levels.length == 0 ? 2 : audiorec.levels.length
@@ -120,6 +118,13 @@ Item {
                     x: parent.width * (index + 1) / 9
                 }
             }
+            Rectangle {
+                // main frame
+                anchors.fill: parent
+                color: "#00000000"
+                border.color: "#000000"
+                border.width: 1
+            }
         }
     }
 }