mainwindow.cpp

来自「奇趣公司比较新的qt/emd版本」· C++ 代码 · 共 962 行 · 第 1/3 页

void MainWindow::updateColorButtons()
{
    buttonMainColor->setColor( editPalette.active().color( QColorGroup::Button ));
    buttonMainColor2->setColor( editPalette.active().color( QColorGroup::Window ));
}


void MainWindow::tunePalette()
{
    bool ok;
    QPalette pal = PaletteEditorAdvanced::getPalette(&ok, editPalette,
                                                     backgroundMode(), this);
    if (! ok)
        return;

    editPalette = pal;
    setPreviewPalette(editPalette);
    setModified(true);
}


void MainWindow::paletteSelected(int)
{
    setPreviewPalette(editPalette);
}


void MainWindow::styleSelected(const QString &stylename)
{
    QStyle *style = QStyleFactory::create(stylename);
    if (! style)
        return;

    setStyleHelper(previewFrame, style);
    delete previewstyle;
    previewstyle = style;

    setModified(true);
}


void MainWindow::familySelected(const QString &family)
{
    QFontDatabase db;
    QStringList styles = db.styles(family);
    stylecombo->clear();
    stylecombo->insertStringList(styles);
    familysubcombo->insertItem(family);
    buildFont();
}


void MainWindow::buildFont()
{
    QFontDatabase db;
    QFont font = db.font(familycombo->currentText(),
                         stylecombo->currentText(),
                         psizecombo->currentText().toInt());
    samplelineedit->setFont(font);
    setModified(true);
}


void MainWindow::substituteSelected(const QString &family)
{
    QStringList subs = QFont::substitutes(family);
    sublistbox->clear();
    sublistbox->insertStringList(subs);
}


void MainWindow::removeSubstitute()
{
    if (sublistbox->currentItem() < 0 ||
        uint(sublistbox->currentItem()) > sublistbox->count())
        return;

    int item = sublistbox->currentItem();
    QStringList subs = QFont::substitutes(familysubcombo->currentText());
    subs.remove(subs.at(sublistbox->currentItem()));
    sublistbox->clear();
    sublistbox->insertStringList(subs);
    if (uint(item) > sublistbox->count())
        item = int(sublistbox->count()) - 1;
    sublistbox->setCurrentItem(item);
    QFont::removeSubstitution(familysubcombo->currentText());
    QFont::insertSubstitutions(familysubcombo->currentText(), subs);
    setModified(true);
}


void MainWindow::addSubstitute()
{
    if (sublistbox->currentItem() < 0 ||
        uint(sublistbox->currentItem()) > sublistbox->count()) {
        QFont::insertSubstitution(familysubcombo->currentText(), choosesubcombo->currentText());
        QStringList subs = QFont::substitutes(familysubcombo->currentText());
        sublistbox->clear();
        sublistbox->insertStringList(subs);
        setModified(true);
        return;
    }

    int item = sublistbox->currentItem();
    QFont::insertSubstitution(familysubcombo->currentText(), choosesubcombo->currentText());
    QStringList subs = QFont::substitutes(familysubcombo->currentText());
    sublistbox->clear();
    sublistbox->insertStringList(subs);
    sublistbox->setCurrentItem(item);
    setModified(true);
}


void MainWindow::downSubstitute()
{
    if (sublistbox->currentItem() < 0 ||
        uint(sublistbox->currentItem()) >= sublistbox->count())
        return;

    int item = sublistbox->currentItem();
    QStringList subs = QFont::substitutes(familysubcombo->currentText());
    QString fam = subs.at(item);
    subs.removeAt(item);
    subs.insert(item+1, fam);
    sublistbox->clear();
    sublistbox->insertStringList(subs);
    sublistbox->setCurrentItem(item + 1);
    QFont::removeSubstitution(familysubcombo->currentText());
    QFont::insertSubstitutions(familysubcombo->currentText(), subs);
    setModified(true);
}


void MainWindow::upSubstitute()
{
    if (sublistbox->currentItem() < 1)
        return;

    int item = sublistbox->currentItem();
    QStringList subs = QFont::substitutes(familysubcombo->currentText());
    QString fam = subs.at(item);
    subs.removeAt(item);
    subs.insert(item-1, fam);
    sublistbox->clear();
    sublistbox->insertStringList(subs);
    sublistbox->setCurrentItem(item - 1);
    QFont::removeSubstitution(familysubcombo->currentText());
    QFont::insertSubstitutions(familysubcombo->currentText(), subs);
    setModified(true);
}


void MainWindow::removeFontpath()
{
    if (fontpathlistbox->currentItem() < 0 ||
        uint(fontpathlistbox->currentItem()) > fontpathlistbox->count())
        return;

    int item = fontpathlistbox->currentItem();
    fontpaths.remove(fontpaths.at(fontpathlistbox->currentItem()));
    fontpathlistbox->clear();
    fontpathlistbox->insertStringList(fontpaths);
    if (uint(item) > fontpathlistbox->count())
        item = int(fontpathlistbox->count()) - 1;
    fontpathlistbox->setCurrentItem(item);
    setModified(true);
}


void MainWindow::addFontpath()
{
    if (fontpathlineedit->text().isEmpty())
        return;

    if (fontpathlistbox->currentItem() < 0 ||
        uint(fontpathlistbox->currentItem()) > fontpathlistbox->count()) {
        fontpaths.append(fontpathlineedit->text());
        fontpathlistbox->clear();
        fontpathlistbox->insertStringList(fontpaths);
        setModified(true);

        return;
    }

    int item = fontpathlistbox->currentItem();
    fontpaths.insert(fontpathlistbox->currentItem()+1,
                     fontpathlineedit->text());
    fontpathlistbox->clear();
    fontpathlistbox->insertStringList(fontpaths);
    fontpathlistbox->setCurrentItem(item);
    setModified(true);
}


void MainWindow::downFontpath()
{
    if (fontpathlistbox->currentItem() < 0 ||
        uint(fontpathlistbox->currentItem()) >= fontpathlistbox->count() - 1)
        return;

    int item = fontpathlistbox->currentItem();
    QString fam = fontpaths.at(item);
    fontpaths.removeAt(item);
    fontpaths.insert(item+1, fam);
    fontpathlistbox->clear();
    fontpathlistbox->insertStringList(fontpaths);
    fontpathlistbox->setCurrentItem(item + 1);
    setModified(true);
}


void MainWindow::upFontpath()
{
    if (fontpathlistbox->currentItem() < 1)
        return;

    int item = fontpathlistbox->currentItem();
    QString fam = fontpaths.at(item);
    fontpaths.removeAt(item);
    fontpaths.insert(item-1, fam);
    fontpathlistbox->clear();
    fontpathlistbox->insertStringList(fontpaths);
    fontpathlistbox->setCurrentItem(item - 1);
    setModified(true);
}


void MainWindow::browseFontpath()
{
    QString dirname = QFileDialog::getExistingDirectory(QString(), this, 0,
                                                        tr("Select a Directory"));
    if (dirname.isNull())
        return;

   fontpathlineedit->setText(dirname);
}


void MainWindow::somethingModified()
{
    setModified(true);
}


void MainWindow::helpAbout()
{
    QMessageBox box(this);
    box.setText(tr("<h3>%1</h3>"
                   "<br/>Version %2"
#if QT_EDITION == QT_EDITION_OPENSOURCE
                   " Open Source Edition</center><p>"
                   "This version of Qt Configuration is part of the Qt Open Source Edition, for use "
                   "in the development of Open Source applications. "
                   "Qt is a comprehensive C++ framework for cross-platform application "
                   "development.<br/><br/>"
                   "You need a commercial Qt license for development of proprietary (closed "
                   "source) applications. Please see <tt>http://www.trolltech.com/company/model"
                   ".html</tt> for an overview of Qt licensing."
#else
                   "</center><p>This program is licensed to you under the terms of the "
                   "Qt Commercial License Agreement. For details, see the file LICENSE "
                   "that came with this software distribution."
#endif
                   "<br/><br/>Copyright (C) 2000-2007 Trolltech ASA. All rights reserved."
                   "<br/><br/>The program is provided AS IS with NO WARRANTY OF ANY KIND,"
                   " INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A"
                   " PARTICULAR PURPOSE.<br/> ")
                   .arg(tr("Qt Configuration")).arg(QLatin1String(QT_VERSION_STR)));
    box.setWindowTitle(tr("Qt Configuration"));
    box.setIcon(QMessageBox::NoIcon);
    box.exec();
}


void MainWindow::helpAboutQt()
{
    QMessageBox::aboutQt(this, tr("Qt Configuration"));
}


void MainWindow::pageChanged(QWidget *page)
{
    if (page == tab)
        helpview->setText(tr(interface_text));
    else if (page == tab1)
        helpview->setText(tr(appearance_text));
    else if (page == tab2)
        helpview->setText(tr(font_text));
    else if (page == tab3)
        helpview->setText(tr(printer_text));
}


void MainWindow::closeEvent(QCloseEvent *e)
{
    if (modified) {
        switch(QMessageBox::warning(this, tr("Save Changes"),
                                    tr("Save changes to settings?"),
                                    tr("&Yes"), tr("&No"), tr("&Cancel"), 0, 2)) {
        case 0: // save
            qApp->processEvents();
            fileSave();

            // fall through intended
        case 1: // don't save
            e->accept();
            break;

        case 2: // cancel
            e->ignore();
            break;

        default: break;
        }
    } else
        e->accept();
}