Program Listing for File palettecontrolwidget.cpp

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#include <QAbstractButton>
#include <QColorDialog>
#include <QMessageBox>
#include "dialog/paletteeditdialog.h"
#include "palettecontrolwidget.h"
#include "ui_palettecontrolwidget.h"
#include "utility/uiutility.h"

namespace PixelMaestroStudio {
    PaletteControlWidget::PaletteControlWidget(PaletteController& controller, const QString& initial_palette, QWidget *parent) : QDialog(parent), ui(new Ui::PaletteControlWidget), palette_controller_(controller) {
        ui->setupUi(this);

        initialize_palettes(initial_palette);
    }

    PaletteController& PaletteControlWidget::get_palette_controller() const {
        return this->palette_controller_;
    }

    void PaletteControlWidget::initialize_palettes(const QString& initial_palette) {
        // Initialize palette list
        ui->paletteComboBox->blockSignals(true);
        ui->paletteComboBox->clear();
        for (uint16_t i = 0; i < palette_controller_.get_palettes()->size(); i++) {
            PaletteController::PaletteWrapper& palette = palette_controller_.get_palette(i);
            ui->paletteComboBox->addItem(QIcon(*UIUtility::generate_palette_thumbnail(palette)), palette.name);
        }
        ui->paletteComboBox->blockSignals(false);

        if (initial_palette.length() > 0) {
            ui->paletteComboBox->setCurrentText(initial_palette);
        }
        else {
            ui->paletteComboBox->setCurrentIndex(0);
        }

        // Trigger a Palette redraw just for safe measure
        on_paletteComboBox_currentIndexChanged(ui->paletteComboBox->currentIndex());
    }

    void PaletteControlWidget::on_buttonBox_clicked(QAbstractButton *button) {
        if (button == ui->buttonBox->button(QDialogButtonBox::Reset)) {
            QMessageBox::StandardButton confirm;
            confirm = QMessageBox::question(this, "Reset Palettes", "This will reset all Palettes to their default settings. Are you sure you want to continue?", QMessageBox::Yes|QMessageBox::No);
            if (confirm == QMessageBox::Yes) {
                palette_controller_.initialize_palettes();
                initialize_palettes("");
            }
        }
    }

    void PaletteControlWidget::on_color_clicked() {
        QPushButton* sender = dynamic_cast<QPushButton*>(QObject::sender());
        Colors::RGB* source_color = &active_palette_->palette.get_colors()[sender->objectName().toInt()];
        QColor new_color = QColorDialog::getColor(QColor(source_color->r, source_color->g, source_color->b), this, "Select Color");
        if (new_color.isValid()) {
            source_color->r = new_color.red();
            source_color->g = new_color.green();
            source_color->b = new_color.blue();
            set_button_color(sender, source_color->r, source_color->g, source_color->b);
        }
    }

    void PaletteControlWidget::on_createPaletteButton_clicked() {
        PaletteEditDialog dialog(this, nullptr);
        dialog.exec();
        initialize_palettes(palette_controller_.get_palette(palette_controller_.get_palettes()->size() - 1).name);

        // If there's more than one Palette, enable the delete button
        ui->removeButton->setEnabled(palette_controller_.get_palettes()->size() > 1);
    }

    void PaletteControlWidget::on_editPaletteButton_clicked() {
        PaletteEditDialog dialog(this, active_palette_);
        dialog.exec();
        initialize_palettes(active_palette_->name);
    }

    void PaletteControlWidget::on_paletteComboBox_currentIndexChanged(int index) {
        active_palette_ = &palette_controller_.get_palette(index);

        // Delete existing color buttons
        QList<QPushButton*> buttons = ui->colorsGroupBox->findChildren<QPushButton*>(QString(), Qt::FindChildOption::FindChildrenRecursively);
        for (QPushButton* button : buttons) {
            disconnect(button, &QPushButton::clicked, this, &PaletteControlWidget::on_color_clicked);
            delete button;
        }

        // Create new buttons and add an event handler that triggers on_color_clicked()
        QLayout* layout = ui->colorsGroupBox->findChild<QLayout*>("colorsLayout");
        for (uint8_t color_index = 0; color_index < active_palette_->palette.get_num_colors(); color_index++) {
            Colors::RGB color = active_palette_->palette.get_colors()[color_index];
            QPushButton* button = new QPushButton();
            button->setVisible(true);
            button->setObjectName(QString::number(color_index));
            button->setToolTip(QString::number(color_index + 1));
            button->setMaximumWidth(40);
            set_button_color(button, color.r, color.g, color.b);

            layout->addWidget(button);
            connect(button, &QPushButton::clicked, this, &PaletteControlWidget::on_color_clicked);
        }
    }

    void PaletteControlWidget::on_removeButton_clicked() {
        QMessageBox::StandardButton confirm;
        confirm = QMessageBox::question(this, "Delete Palette", "This will delete the current Palette. Are you sure you want to continue?", QMessageBox::Yes|QMessageBox::No);
        if (confirm == QMessageBox::Yes) {
            uint16_t current_index = ui->paletteComboBox->currentIndex();
            palette_controller_.remove_palette(current_index);
            ui->paletteComboBox->removeItem(current_index);
        }

        // If there's only one Palette remaining, disable the delete button
        ui->removeButton->setEnabled(palette_controller_.get_palettes()->size() > 1);
    }

    void PaletteControlWidget::set_button_color(QPushButton *button, uint8_t red, uint8_t green, uint8_t blue) {
        button->setStyleSheet(QString("background-color: rgb(%1, %2, %3);").arg(red).arg(green).arg(blue));
    }

    PaletteControlWidget::~PaletteControlWidget() {
        delete ui;
    }
}