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path: root/config/settingsdialog.cpp
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/*
 * This file is part of smolbote. It's copyrighted by the contributors recorded
 * in the version control history of the file, available from its original
 * location: https://neueland.iserlohn-fortress.net/smolbote.hg
 *
 * SPDX-License-Identifier: GPL-3.0
 */

#include "settingsdialog.h"
#include <QApplication>
#include <QFile>
#include <QMenuBar>
#include <QStatusBar>
#include <QToolButton>
#include <QVBoxLayout>
#include <QFileDialog>

SettingsDialog::SettingsDialog(Configuration *config, QWidget *parent)
    : QMainWindow(parent)
{
    resize(800, 600);

    // main menu
    settingsMenu.setTitle(tr("Settings"));

    auto *saveAction = settingsMenu.addAction(tr("Save"));
    saveAction->setShortcut(QKeySequence::Save);

    auto *saveAsAction = settingsMenu.addAction(tr("Save As"));
    saveAsAction->setShortcut(QKeySequence::SaveAs);

    settingsMenu.addAction(tr("Quit"), qApp, &QApplication::quit, QKeySequence::Quit);

    menuBar()->addMenu(&settingsMenu);

    setCentralWidget(&treeWidget);
    treeWidget.setColumnCount(2);
    treeWidget.setHeaderLabels({ tr("setting"), tr("value") });
    treeWidget.setEditTriggers(QTreeWidget::NoEditTriggers);
    connect(&treeWidget, &QTreeWidget::itemDoubleClicked, this, &SettingsDialog::editItem);

    for(const auto &option : config->options()) {
        auto *item = new QTreeWidgetItem(&treeWidget);
        item->setText(0, QString::fromStdString(option->long_name()));
        item->setText(1, QString::fromStdString(config->value<std::string>(option->long_name().c_str()).value_or(std::string())));
        item->setFlags(item->flags() | Qt::ItemIsEditable);
    }

    treeWidget.resizeColumnToContents(0);

    // connect signals
    connect(saveAction, &QAction::triggered, this, [this]() {
        write(configPath);
        statusBar()->showMessage(tr("Configuration saved to: ") + configPath, 3000);
    });

    connect(saveAsAction, &QAction::triggered, this, [this]() {
        QString path = QFileDialog::getSaveFileName(this, tr("Save Configuration"), configPath, tr("smolbote config (smolbote.cfg)"));
        if(!path.isEmpty()) {
            write(path);
            statusBar()->showMessage(tr("Configuration saved to: ") + path, 3000);
        }
    });
}

SettingsDialog::~SettingsDialog()
{
    if(unsavedChanges)
        write(configPath);
}

void SettingsDialog::editItem(QTreeWidgetItem *item, int column)
{
    if(column == 1) {
        treeWidget.editItem(item, column);
        unsavedChanges = true;

        if(!windowTitle().endsWith('*')) {
            setWindowTitle(windowTitle() + '*');
        }
    }
}

void SettingsDialog::write(const QString &path)
{
    QFile output(path);
    output.open(QIODevice::WriteOnly);

    for(int i = 0; i < treeWidget.topLevelItemCount(); ++i) {
        auto *item = treeWidget.topLevelItem(i);
        output.write(QString(item->text(0) + " = " + item->text(1) + "\n").toUtf8());
    }

    output.close();

    unsavedChanges = false;
    if(windowTitle().endsWith('*')) {
        QString title = windowTitle();
        title.chop(1);
        setWindowTitle(title);
    }
}