layout make lines non-fixed

Source/LampshadeLine.h

@@ -0,0 +1,15 @@
+#pragma once
+
+class LampshadeLine {
+public:
+    LampshadeLine(bool orientation, float x, float y) : orientation(orientation), x(x), y(y)
+    {
+    }
+    
+    bool orientation;
+    float x;
+    float y;
+    
+    const static bool Horizontal = 0;
+    const static bool Vertical   = 1;
+};

Source/LookAndFeel.h

@@ -1,11 +1,3 @@
-//
-//  LookAndFeel.h
-//  lampshade
-//
-//  Created by Veit Heller on 19.06.17.
-//
-//
-
 #pragma once
 
 #include "../JuceLibraryCode/JuceHeader.h"

Source/PluginEditor.cpp

@@ -4,8 +4,14 @@
 
 
 LampshadeAudioProcessorEditor::LampshadeAudioProcessorEditor (LampshadeAudioProcessor& p)
-    : AudioProcessorEditor (&p), processor (p), nlines (3), lineThickness(4)
+    : AudioProcessorEditor (&p), processor (p), lineThickness(4)
 {
+    lines = {
+        LampshadeLine(LampshadeLine::Horizontal, 1./3., 1./3.),
+        LampshadeLine(LampshadeLine::Horizontal, 2./3., 2./3.),
+        LampshadeLine(LampshadeLine::Vertical, 1./3., 1./3.),
+        LampshadeLine(LampshadeLine::Vertical, 2./3., 2./3.)
+    };
     component.setTextBoxStyle(Slider::NoTextBox, true, 0, 0);
     setSize(400, 300);
     component.setLookAndFeel(gui);
@@ -20,13 +26,23 @@ void LampshadeAudioProcessorEditor::paint (Graphics& g)
 {
     g.fillAll(Colours::white);
     
-    for (int i = 1; i < nlines; i++) {
-        g.drawLine(0, getHeight()*((float)i / nlines), getWidth(), getHeight()*((float)i / nlines), lineThickness);
-        g.drawLine(getWidth()*((float) i /nlines), 0, getWidth()*((float) i /nlines), getHeight(), lineThickness);
+    for (auto line : lines) {
+        if (line.orientation == LampshadeLine::Horizontal) {
+            g.drawLine(0, getHeight()*line.x, getWidth(), getHeight()*line.y, lineThickness);
+        } else {
+            g.drawLine(getWidth()*line.x, 0, getWidth()*line.y, getHeight(), lineThickness);
+        }
     }
 }
 
 void LampshadeAudioProcessorEditor::resized()
 {
-    component.setBounds(getWidth()/nlines+lineThickness/2, getHeight()/nlines+lineThickness/2, getWidth()/nlines-lineThickness+1, getHeight()/nlines-lineThickness);
+    int h = 1;
+    int w = 1;
+    
+    for (auto l : lines) { l.orientation == LampshadeLine::Horizontal ? w++ : h++; }
+    
+    w = getWidth() / w;
+    h = getHeight() / h;
+    component.setBounds(w+lineThickness/2, h+lineThickness/2, w-lineThickness+1, h-lineThickness);
 }

Source/PluginEditor.h

@@ -1,9 +1,11 @@
 #pragma once
 
+#include <list>
+
 #include "../JuceLibraryCode/JuceHeader.h"
 #include "PluginProcessor.h"
 #include "LookAndFeel.h"
-
+#include "LampshadeLine.h"
 
 class LampshadeAudioProcessorEditor  : public AudioProcessorEditor
 {
@@ -17,7 +19,7 @@ public:
 private:
     LampshadeAudioProcessor& processor;
     LampshadeLookAndFeel* gui = new LampshadeLookAndFeel();
-    int nlines;
+    std::list<LampshadeLine> lines;
     int lineThickness;
     
     Slider component;