Change splitter proportion from int to double

- Allows for fine grain control (can now set 0.75 or 0.6)
- Makes more sense

src/DockWidget.cpp

@@ -95,7 +95,7 @@ struct DockWidgetPrivate
 	QList<QAction*> TitleBarActions;
 	CDockWidget::eMinimumSizeHintMode MinimumSizeHintMode = CDockWidget::MinimumSizeHintFromDockWidget;
 	WidgetFactory* Factory = nullptr;
-	int DefaultOverlayDockProportion = 4;
+	double DefaultOverlayDockProportion = 0.25;
 	
 	/**
 	 * Private data constructor
@@ -1135,12 +1135,14 @@ bool CDockWidget::isCurrentTab() const
 
 
 //============================================================================
-void CDockWidget::setDefaultOverlayDockProportion(int Proportion)
+void CDockWidget::setDefaultOverlayDockProportion(double Proportion)
 {
 	d->DefaultOverlayDockProportion = Proportion;
 }
 
-int CDockWidget::DefaultOverlayDockProportion() const
+
+//============================================================================
+double CDockWidget::DefaultOverlayDockProportion() const
 {
 	return d->DefaultOverlayDockProportion;
 }

src/DockWidget.h

@@ -514,15 +514,15 @@ public:
 
 	/*
 	 * Set default dock proportion when overlayed
-	 * 4 is a quarter of the size, 2 is half the size, 1 is the entire size
+	 * see *DefaultOverlayDockProportion()
 	 */
-	void setDefaultOverlayDockProportion(int Proportion);
+	void setDefaultOverlayDockProportion(double Proportion);
 
 	/*
 	 * Set default dock proportion when overlayed
-	 * 4 is a quarter of the size, 2 is half the size, 1 is the entire size
+	 * 0.25 is a quarter of the size, 0.5 is half the size, 1 is the entire size
 	 */
-	int DefaultOverlayDockProportion() const;
+	double DefaultOverlayDockProportion() const;
 
 public: // reimplements QFrame -----------------------------------------------
     /**

src/OverlayDockContainer.cpp

@@ -243,20 +243,28 @@ void COverlayDockContainer::addDockWidget(CDockWidget* DockWidget)
 
 
 //============================================================================
-void COverlayDockContainer::setDockSizeProportion(int SplitterProportion)
+void COverlayDockContainer::setDockSizeProportion(double SplitterProportion)
 {
+	if (SplitterProportion < 0 || SplitterProportion > 1)
+	{
+		ADS_PRINT("SplitterProportion must be set between 0 and 1.");
+		return;
+	}
+
+	const auto dockSize = static_cast<int>(static_cast<double>(INT_MAX) * SplitterProportion);
+	const auto remainingSize = INT_MAX - dockSize;
     switch (d->Area)
     {
         case CDockWidgetSideTab::Left:
         {
-            d->Splitter->setSizes({ INT_MAX / SplitterProportion, INT_MAX - INT_MAX / SplitterProportion });
+            d->Splitter->setSizes({ dockSize, remainingSize });
 			break;
         }
         case CDockWidgetSideTab::Right: 
 			[[fallthrough]];
         case CDockWidgetSideTab::Bottom:
         { 
-            d->Splitter->setSizes({ INT_MAX - INT_MAX / SplitterProportion, INT_MAX / SplitterProportion });
+            d->Splitter->setSizes({ remainingSize, dockSize });
 			break;
         }
     }

src/OverlayDockContainer.h

@@ -98,10 +98,10 @@ public:
 	/*
 	 * Set default splitter sizes. Don't use when restoring state
 	 * As we want the size from the XML
-	 * Takes an int which determines the size proportion of the child dock
+	 * Takes a float between 0 and 1
-	 * E.g. 4 is a quarter of the size, 2 is half the size and 1 is the entire size of the container
+	 * E.g. 0.25 is a quarter of the size, 0.5 is half the size and 1 is the entire size of the container
 	 */
-	void setDockSizeProportion(int SplitterProportion = 4);
+	void setDockSizeProportion(double SplitterProportion = 0.25);
 
 	/**
 	 * Returns the side tab bar area of this overlay dock container