src/uisupport/fontselector.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-2020 by the Quassel Project                        *
   3  *   devel@quassel-irc.org                                                 *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) version 3.                                           *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
  19  ***************************************************************************/
  20
  21 #include "fontselector.h"
  22
  23 #include <QEvent>
  24 #include <QFontDialog>
  25 #include <QHBoxLayout>
  26 #include <QLabel>
  27 #include <QPushButton>
  28
  29 FontSelector::FontSelector(QWidget* parent)
  30     : QWidget(parent)
  31 {
  32     auto* layout = new QHBoxLayout(this);
  33     QPushButton* chooseButton = new QPushButton(tr("Choose..."), this);
  34     connect(chooseButton, &QAbstractButton::clicked, this, &FontSelector::chooseFont);
  35
  36     layout->addWidget(_demo = new QLabel("Font"));
  37     layout->addWidget(chooseButton);
  38     layout->setContentsMargins(0, 0, 0, 0);
  39
  40     _demo->setFrameStyle(QFrame::StyledPanel);
  41     _demo->setFrameShadow(QFrame::Sunken);
  42     _demo->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Preferred);
  43     _font = font();
  44 }
  45
  46 void FontSelector::setSelectedFont(const QFont& font)
  47 {
  48     _font = font;
  49     _demo->setText(QString("%1 %2pt").arg(font.family()).arg(font.pointSize()));
  50     _demo->setFont(font);
  51     emit fontChanged(font);
  52 }
  53
  54 void FontSelector::chooseFont()
  55 {
  56     bool ok;
  57     QFont font = QFontDialog::getFont(&ok, _demo->font(), nullptr, QString(), QFontDialog::DontUseNativeDialog);
  58     if (ok) {
  59         setSelectedFont(font);
  60     }
  61 }
  62
  63 void FontSelector::changeEvent(QEvent* e)
  64 {
  65     if (e->type() == QEvent::StyleChange) {
  66         _demo->setFont(_font);
  67     }
  68 }