ComboBoxV2.h

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/*
 *  File:       ComboBoxV2.h
 *
 *  Version:    1.0.0
 *
 *  Created:    19/03/2019
 *
 *  This file is part of WECore.
 *
 *  WECore is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  WECore is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with WECore.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
 
#pragma once
 
#include "../JuceLibraryCode/JuceHeader.h"
 
namespace WECore::LookAndFeelMixins {
 
    template <typename BASE>
    class ComboBoxV2 : public BASE {
 
    public:
        ComboBoxV2() = default;
        virtual ~ComboBoxV2() = default;
 
        inline virtual void drawComboBox(juce::Graphics& g,
                                         int width,
                                         int height,
                                         const bool isButtonDown,
                                         int buttonX,
                                         int buttonY,
                                         int buttonW,
                                         int buttonH,
                                         juce::ComboBox& box) override;
    };
 
    template <typename BASE>
    void ComboBoxV2<BASE>::drawComboBox(juce::Graphics& g,
                                        int /*width*/,
                                        int /*height*/,
                                        const bool /*isButtonDown*/,
                                        int buttonX,
                                        int buttonY,
                                        int buttonW,
                                        int buttonH,
                                        juce::ComboBox& box) {
 
        g.setColour(box.findColour(juce::ComboBox::arrowColourId));
 
        juce::Path p;
        constexpr float LINE_WIDTH {0.5};
        const int arrowMarginX {buttonY / 4};
        const int arrowMarginY {buttonH / 3};
        const int arrowTipX {buttonX + (buttonW / 2)};
        const int arrowTipY {buttonY + buttonH - arrowMarginY};
 
        // Left side of arrow
        p.addLineSegment(juce::Line<float>(buttonX + arrowMarginX,
                                           buttonY + arrowMarginY,
                                           arrowTipX,
                                           arrowTipY),
                        LINE_WIDTH);
 
        // Right side of arrow
        p.addLineSegment(juce::Line<float>(buttonX + buttonW - arrowMarginX,
                                           buttonY + arrowMarginY,
                                           arrowTipX,
                                           arrowTipY),
                        LINE_WIDTH);
 
        g.strokePath(p, juce::PathStrokeType(1));
    }
}