kis_color_selector_combo_box.cpp

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/*
 *  SPDX-FileCopyrightText: 2010 Adam Celarek <kdedev at xibo dot at>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#include "kis_color_selector_combo_box.h"
#include <QGridLayout>
#include <QPainter>
#include <QApplication>
#include <QMouseEvent>
 
#include "kis_color_selector.h"
#include "kis_canvas2.h"
 
class KisColorSelectorComboBoxPrivate : public QWidget {
public:
    int spacing;
    int selectorSize;
    QRect highlightArea;
 
    KisColorSelectorComboBoxPrivate(QWidget* parent) :
            QWidget(parent, Qt::Popup),
            spacing(20),
            selectorSize(100),
            highlightArea(-1,-1,0,0)
    {
        setMouseTracking(true);
 
        QGridLayout* layout = new QGridLayout(this);
        layout->setSpacing(spacing);
 
        layout->addWidget(new KisColorSelector(KisColorSelectorConfiguration(KisColorSelectorConfiguration::Triangle, KisColorSelectorConfiguration::Ring, KisColorSelectorConfiguration::SL, KisColorSelectorConfiguration::H), this), 0,0);
        layout->addWidget(new KisColorSelector(KisColorSelectorConfiguration(KisColorSelectorConfiguration::Square, KisColorSelectorConfiguration::Ring, KisColorSelectorConfiguration::SV, KisColorSelectorConfiguration::H), this), 0,1);
        layout->addWidget(new KisColorSelector(KisColorSelectorConfiguration(KisColorSelectorConfiguration::Square, KisColorSelectorConfiguration::Ring, KisColorSelectorConfiguration::SV2, KisColorSelectorConfiguration::H), this), 0,2);
        layout->addWidget(new KisColorSelector(KisColorSelectorConfiguration(KisColorSelectorConfiguration::Wheel, KisColorSelectorConfiguration::Slider, KisColorSelectorConfiguration::VH, KisColorSelectorConfiguration::hsvS), this), 0,3);
        layout->addWidget(new KisColorSelector(KisColorSelectorConfiguration(KisColorSelectorConfiguration::Wheel, KisColorSelectorConfiguration::Slider, KisColorSelectorConfiguration::hsvSH, KisColorSelectorConfiguration::V), this), 0,4);
        layout->addWidget(new KisColorSelector(KisColorSelectorConfiguration(KisColorSelectorConfiguration::Square, KisColorSelectorConfiguration::Slider, KisColorSelectorConfiguration::SV2, KisColorSelectorConfiguration::H), this), 1,0);
        layout->addWidget(new KisColorSelector(KisColorSelectorConfiguration(KisColorSelectorConfiguration::Square, KisColorSelectorConfiguration::Slider, KisColorSelectorConfiguration::SV, KisColorSelectorConfiguration::H), this), 1,1);
        layout->addWidget(new KisColorSelector(KisColorSelectorConfiguration(KisColorSelectorConfiguration::Square, KisColorSelectorConfiguration::Slider, KisColorSelectorConfiguration::VH, KisColorSelectorConfiguration::hsvS), this), 1,2);
        layout->addWidget(new KisColorSelector(KisColorSelectorConfiguration(KisColorSelectorConfiguration::Square, KisColorSelectorConfiguration::Slider, KisColorSelectorConfiguration::hsvSH, KisColorSelectorConfiguration::V), this), 1,3);
 
 
 
        layout->addWidget(new KisColorSelector(KisColorSelectorConfiguration(KisColorSelectorConfiguration::Square, KisColorSelectorConfiguration::Ring, KisColorSelectorConfiguration::SL, KisColorSelectorConfiguration::H), this), 0,1);
        layout->addWidget(new KisColorSelector(KisColorSelectorConfiguration(KisColorSelectorConfiguration::Wheel, KisColorSelectorConfiguration::Slider, KisColorSelectorConfiguration::LH, KisColorSelectorConfiguration::hslS), this), 0,2);
        layout->addWidget(new KisColorSelector(KisColorSelectorConfiguration(KisColorSelectorConfiguration::Wheel, KisColorSelectorConfiguration::Slider, KisColorSelectorConfiguration::hslSH, KisColorSelectorConfiguration::L), this), 0,3);
        layout->addWidget(new KisColorSelector(KisColorSelectorConfiguration(KisColorSelectorConfiguration::Square, KisColorSelectorConfiguration::Slider, KisColorSelectorConfiguration::SL, KisColorSelectorConfiguration::H), this), 1,0);
        layout->addWidget(new KisColorSelector(KisColorSelectorConfiguration(KisColorSelectorConfiguration::Square, KisColorSelectorConfiguration::Slider, KisColorSelectorConfiguration::LH, KisColorSelectorConfiguration::hslS), this), 1,1);
        layout->addWidget(new KisColorSelector(KisColorSelectorConfiguration(KisColorSelectorConfiguration::Square, KisColorSelectorConfiguration::Slider, KisColorSelectorConfiguration::hslSH, KisColorSelectorConfiguration::L), this), 1,2);
 
 
        layout->addWidget(new KisColorSelector(KisColorSelectorConfiguration(KisColorSelectorConfiguration::Square, KisColorSelectorConfiguration::Ring, KisColorSelectorConfiguration::SI, KisColorSelectorConfiguration::H), this), 0,1);
        layout->addWidget(new KisColorSelector(KisColorSelectorConfiguration(KisColorSelectorConfiguration::Wheel, KisColorSelectorConfiguration::Slider, KisColorSelectorConfiguration::IH, KisColorSelectorConfiguration::hsiS), this), 0,2);
        layout->addWidget(new KisColorSelector(KisColorSelectorConfiguration(KisColorSelectorConfiguration::Wheel, KisColorSelectorConfiguration::Slider, KisColorSelectorConfiguration::hsiSH, KisColorSelectorConfiguration::I), this), 0,3);
        layout->addWidget(new KisColorSelector(KisColorSelectorConfiguration(KisColorSelectorConfiguration::Square, KisColorSelectorConfiguration::Slider, KisColorSelectorConfiguration::SI, KisColorSelectorConfiguration::H), this), 1,0);
        layout->addWidget(new KisColorSelector(KisColorSelectorConfiguration(KisColorSelectorConfiguration::Square, KisColorSelectorConfiguration::Slider, KisColorSelectorConfiguration::IH, KisColorSelectorConfiguration::hsiS), this), 1,1);
        layout->addWidget(new KisColorSelector(KisColorSelectorConfiguration(KisColorSelectorConfiguration::Square, KisColorSelectorConfiguration::Slider, KisColorSelectorConfiguration::hsiSH, KisColorSelectorConfiguration::I), this), 1,2);
 
        layout->addWidget(new KisColorSelector(KisColorSelectorConfiguration(KisColorSelectorConfiguration::Square, KisColorSelectorConfiguration::Ring, KisColorSelectorConfiguration::SY, KisColorSelectorConfiguration::H), this), 0,1);
        layout->addWidget(new KisColorSelector(KisColorSelectorConfiguration(KisColorSelectorConfiguration::Wheel, KisColorSelectorConfiguration::Slider, KisColorSelectorConfiguration::YH, KisColorSelectorConfiguration::hsyS), this), 0,2);
        layout->addWidget(new KisColorSelector(KisColorSelectorConfiguration(KisColorSelectorConfiguration::Wheel, KisColorSelectorConfiguration::Slider, KisColorSelectorConfiguration::hsySH, KisColorSelectorConfiguration::Y), this), 0,3);
        layout->addWidget(new KisColorSelector(KisColorSelectorConfiguration(KisColorSelectorConfiguration::Square, KisColorSelectorConfiguration::Slider, KisColorSelectorConfiguration::SY, KisColorSelectorConfiguration::H), this), 1,0);
        layout->addWidget(new KisColorSelector(KisColorSelectorConfiguration(KisColorSelectorConfiguration::Square, KisColorSelectorConfiguration::Slider, KisColorSelectorConfiguration::YH, KisColorSelectorConfiguration::hsyS), this), 1,1);
        layout->addWidget(new KisColorSelector(KisColorSelectorConfiguration(KisColorSelectorConfiguration::Square, KisColorSelectorConfiguration::Slider, KisColorSelectorConfiguration::hsySH, KisColorSelectorConfiguration::Y), this), 1,2);
        setList(0);
 
        for(int i=0; i<this->layout()->count(); i++) {
            KisColorSelector* item = dynamic_cast<KisColorSelector*>(this->layout()->itemAt(i)->widget());
            Q_ASSERT(item);
            if(item!=0) {
                item->setMaximumSize(selectorSize, selectorSize);
                item->setMinimumSize(selectorSize, selectorSize);
                item->setMouseTracking(true);
                item->setEnabled(false);
                item->setColor(KoColor(QColor(255,0,0), item->colorSpace()));
                item->setDisplayBlip(false);
            }
        }
    }
 
 
    void setList(int model){
            for(int i=1; i<layout()->count(); i++) {
        layout()->itemAt(i)->widget()->hide();
        }
 
        if  (model==0){
            for(int i=1; i<9; i++) {
            layout()->itemAt(i)->widget()->show();
            }
        }
 
        if  (model==1){
            for(int i=9; i<15; i++) {
            layout()->itemAt(i)->widget()->show();
            }
        }
 
        if  (model==2){
            for(int i=15; i<21; i++) {
            layout()->itemAt(i)->widget()->show();
            }
        }
 
        if  (model==3){
            for(int i=21; i<layout()->count(); i++) {
            layout()->itemAt(i)->widget()->show();
            }
        }
    }
protected:
    void paintEvent(QPaintEvent *) override
    {
        QPainter painter(this);
        painter.fillRect(0,0,width(), height(), QColor(128,128,128));
        painter.fillRect(highlightArea, palette().highlight());
    }
 
    void mouseMoveEvent(QMouseEvent * e) override
    {
        if(rect().contains(e->pos())) {
            for(int i=0; i<layout()->count(); i++) {
 
                KisColorSelector* item = dynamic_cast<KisColorSelector*>(layout()->itemAt(i)->widget());
                Q_ASSERT(item);
 
 
                if(layout()->itemAt(i)->widget()->isVisible()==true && item->geometry().adjusted(-spacing/2, -spacing/2, spacing/2, spacing/2).contains(e->pos())) {
                    QRect oldArea=highlightArea;
                    highlightArea=item->geometry().adjusted(-spacing/2, -spacing/2, spacing/2, spacing/2);
                    m_lastActiveConfiguration=item->configuration();
                    update(highlightArea);
                    update(oldArea);
                }
            }
        }
        else {
            highlightArea.setRect(-1,-1,0,0);
        }
    }
 
    void mousePressEvent(QMouseEvent* e) override
    {
        if(rect().contains(e->pos())) {
            KisColorSelectorComboBox* parent = dynamic_cast<KisColorSelectorComboBox*>(this->parent());
            Q_ASSERT(parent);
            parent->setConfiguration(m_lastActiveConfiguration);
            //setList(parent->m_model);
        }
        //dbgKrita<<"mousepress";
        hide();
        e->accept();
    }
    KisColorSelectorConfiguration m_lastActiveConfiguration;
 
};
 
KisColorSelectorComboBox::KisColorSelectorComboBox(QWidget* parent) :
        QComboBox(parent),
        m_private(new KisColorSelectorComboBoxPrivate(this)),
        m_currentSelector(this)
{
    QLayout* layout = new QGridLayout(this);
    layout->addWidget(&m_currentSelector);
    m_currentSelector.setEnabled(false);
    m_currentSelector.setDisplayBlip(false);
    m_currentSelector.setColor(KoColor(QColor(255,0,0), m_currentSelector.colorSpace()));
 
    // 30 pixels for the arrow of the combobox
    setMinimumSize(m_private->selectorSize+m_private->spacing+30,m_private->selectorSize+m_private->spacing);
    auto sizePolicy = this->sizePolicy();
    sizePolicy.setWidthForHeight(true);
    setSizePolicy(sizePolicy);
}
 
KisColorSelectorComboBox::~KisColorSelectorComboBox()
{
}
 
void KisColorSelectorComboBox::hidePopup()
{
    QComboBox::hidePopup();
    m_private->hide();
}
 
void KisColorSelectorComboBox::showPopup()
{
    // only show if this is not the popup
    QComboBox::showPopup();
    m_private->move(mapToGlobal(QPoint(0,0)));
    m_private->show();
}
 
void KisColorSelectorComboBox::setColorSpace(const KoColorSpace *colorSpace)
{
    //this is not the popup, but we should set the canvas for all popup selectors
    for(int i=0; i<m_private->layout()->count(); i++) {
        KisColorSelector* item = dynamic_cast<KisColorSelector*>(m_private->layout()->itemAt(i)->widget());
        Q_ASSERT(item);
        if(item!=0) {
            item->setColorSpace(colorSpace);
        }
    }
    m_currentSelector.setColorSpace(colorSpace);
    update();
}
 
KisColorSelectorConfiguration KisColorSelectorComboBox::configuration() const
{
    return m_configuration;
}
 
void KisColorSelectorComboBox::paintEvent(QPaintEvent *e)
{
    QComboBox::paintEvent(e);
}
 
void KisColorSelectorComboBox::setConfiguration(KisColorSelectorConfiguration conf)
{
    m_configuration=conf;
    m_currentSelector.setConfiguration(conf);
    m_currentSelector.setColor(KoColor(QColor(255,0,0), m_currentSelector.colorSpace()));
    update();
}
 
void KisColorSelectorComboBox::setList(int model) {
 
    m_private->setList(model);
}