Changed LassoComponent to draw itself via the LookAndFeel.

modules/juce_gui_basics/lookandfeel/juce_LookAndFeel.cpp

@@ -2398,6 +2398,16 @@ void LookAndFeel::drawTableHeaderColumn (Graphics& g, const String& columnName,
     g.drawFittedText (columnName, textX, 0, rightOfText - textX, height, Justification::centredLeft, 1);
 }
 
+//==============================================================================
+void LookAndFeel::drawLasso (Graphics& g, Component& lassoComp)
+{
+    const int outlineThickness = 1;
+
+    g.fillAll (lassoComp.findColour (0x1000440 /*lassoFillColourId*/));
+
+    g.setColour (lassoComp.findColour (0x1000441 /*lassoOutlineColourId*/));
+    g.drawRect (lassoComp.getLocalBounds(), outlineThickness);
+}
 
 //==============================================================================
 void LookAndFeel::paintToolbarBackground (Graphics& g, int w, int h, Toolbar& toolbar)

modules/juce_gui_basics/lookandfeel/juce_LookAndFeel.h

@@ -339,6 +339,9 @@ public:
                              float tipX, float tipY,
                              float boxX, float boxY, float boxW, float boxH);
 
+    //==============================================================================
+    virtual void drawLasso (Graphics& g, Component& lassoComp);
+
     //==============================================================================
     /** Fills the background of a popup menu component. */
     virtual void drawPopupMenuBackground (Graphics& g, int width, int height);

modules/juce_gui_basics/mouse/juce_LassoComponent.h

@@ -102,9 +102,7 @@ class LassoComponent  : public Component
 public:
     //==============================================================================
     /** Creates a Lasso component. */
-    explicit LassoComponent (const int outlineThickness_ = 1)
-        : source (nullptr),
-          outlineThickness (outlineThickness_)
+    LassoComponent()  : source (nullptr)
     {
     }
 
@@ -212,10 +210,7 @@ public:
     /** @internal */
     void paint (Graphics& g)
     {
-        g.fillAll (findColour (lassoFillColourId));
-
-        g.setColour (findColour (lassoOutlineColourId));
-        g.drawRect (0, 0, getWidth(), getHeight(), outlineThickness);
+        getLookAndFeel().drawLasso (g, *this);
 
         // this suggests that you've left a lasso comp lying around after the
         // mouse drag has finished.. Be careful to call endLasso() when you get a
@@ -230,7 +225,6 @@ private:
     //==============================================================================
     Array <SelectableItemType> originalSelection;
     LassoSource <SelectableItemType>* source;
-    int outlineThickness;
     Point<int> dragStartPos;
 
     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (LassoComponent);