vcl/qt5/QtExpander.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #include <QtExpander.hxx>
  11 #include <QtExpander.moc>
  12
  13 QtExpander::QtExpander(QWidget* pParent)
  14     : QWidget(pParent)
  15     , m_pContentWidget(nullptr)
  16     , m_bExpanded(false)
  17 {
  18     m_pLayout = new QGridLayout;
  19     setLayout(m_pLayout);
  20
  21     m_pButton = new QPushButton;
  22     m_pButton->setFlat(true);
  23     m_pButton->setSizePolicy(QSizePolicy::Policy::Maximum, QSizePolicy::Policy::Maximum);
  24     m_pLayout->addWidget(m_pButton, 0, 0);
  25     m_pLayout->addItem(new QSpacerItem(0, 0, QSizePolicy::Policy::MinimumExpanding,
  26                                        QSizePolicy::Policy::MinimumExpanding),
  27                        0, 1);
  28
  29     update();
  30
  31     connect(m_pButton, &QAbstractButton::clicked, this, &QtExpander::handleButtonClick);
  32 }
  33
  34 void QtExpander::setContentWidget(QWidget* pWidget)
  35 {
  36     assert(pWidget);
  37     m_pContentWidget = pWidget;
  38     m_pLayout->addWidget(m_pContentWidget, 1, 0, 1, 2);
  39     update();
  40 }
  41
  42 void QtExpander::setText(const QString& rText) { m_pButton->setText(rText); }
  43
  44 QString QtExpander::text() const { return m_pButton->text(); }
  45
  46 void QtExpander::setExpanded(bool bExpand)
  47 {
  48     if (m_bExpanded == bExpand)
  49         return;
  50
  51     m_bExpanded = bExpand;
  52     update();
  53
  54     emit expandedChanged(isExpanded());
  55 }
  56
  57 bool QtExpander::isExpanded() const { return m_bExpanded; }
  58
  59 void QtExpander::update()
  60 {
  61     const QString sIcon = m_bExpanded ? "go-down" : "go-next";
  62     m_pButton->setIcon(QIcon::fromTheme(sIcon));
  63
  64     if (m_pContentWidget)
  65         m_pContentWidget->setVisible(m_bExpanded);
  66 }
  67
  68 void QtExpander::handleButtonClick()
  69 {
  70     // toggle
  71     setExpanded(!isExpanded());
  72 }
  73
  74 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */