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192 | /* ============================================================
*
* This file is a part of digiKam project
* https://www.digikam.org
*
* Date : 2005-03-22
* Description : a widget to manage sidebar in GUI - Splitter implementation.
*
* SPDX-FileCopyrightText: 2005-2006 by Joern Ahrens <joern dot ahrens at kdemail dot net>
* SPDX-FileCopyrightText: 2006-2025 by Gilles Caulier <caulier dot gilles at gmail dot com>
* SPDX-FileCopyrightText: 2008-2011 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
* SPDX-FileCopyrightText: 2001-2003 by Joseph Wenninger <jowenn at kde dot org>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*
* ============================================================ */
#include "sidebar_p.h"
namespace Digikam
{
const QString SidebarSplitter::DEFAULT_CONFIG_KEY = QLatin1String("SplitterState");
SidebarSplitter::SidebarSplitter(QWidget* const parent)
: QSplitter(parent),
d (new Private)
{
connect(this, SIGNAL(splitterMoved(int,int)),
this, SLOT(slotSplitterMoved(int,int)));
}
SidebarSplitter::SidebarSplitter(Qt::Orientation orientation, QWidget* const parent)
: QSplitter(orientation, parent),
d (new Private)
{
connect(this, SIGNAL(splitterMoved(int,int)),
this, SLOT(slotSplitterMoved(int,int)));
}
SidebarSplitter::~SidebarSplitter()
{
// retreat cautiously from sidebars that live longer
for (Sidebar* const sidebar : std::as_const(d->sidebars))
{
sidebar->d->splitter = nullptr;
}
delete d;
}
void SidebarSplitter::restoreState(KConfigGroup& group)
{
restoreState(group, DEFAULT_CONFIG_KEY);
}
void SidebarSplitter::restoreState(KConfigGroup& group, const QString& key)
{
if (group.hasKey(key))
{
QByteArray state;
state = group.readEntry(key, state);
if (!state.isEmpty())
{
QSplitter::restoreState(QByteArray::fromBase64(state));
}
}
}
void SidebarSplitter::saveState(KConfigGroup& group)
{
saveState(group, DEFAULT_CONFIG_KEY);
}
void SidebarSplitter::saveState(KConfigGroup& group, const QString& key)
{
group.writeEntry(key, QSplitter::saveState().toBase64());
}
int SidebarSplitter::size(Sidebar* const bar) const
{
return size(bar->d->stack);
}
int SidebarSplitter::size(QWidget* const widget) const
{
int index = indexOf(widget);
if (index == -1)
{
return -1;
}
return sizes().at(index);
}
void SidebarSplitter::setSize(Sidebar* const bar, int size)
{
setSize(bar->d->stack, size);
}
void SidebarSplitter::setSize(QWidget* const widget, int size)
{
int index = indexOf(widget);
if (index == -1)
{
return;
}
// special case: Use minimum size hint
if (size == -1)
{
if (orientation() == Qt::Horizontal)
{
size = widget->minimumSizeHint().width();
}
if (orientation() == Qt::Vertical)
{
size = widget->minimumSizeHint().height();
}
}
QList<int> sizeList = sizes();
sizeList[index] = size;
setSizes(sizeList);
}
void SidebarSplitter::slotSplitterMoved(int pos, int index)
{
Q_UNUSED(pos);
// When the user moves the splitter so that size is 0 (collapsed),
// it may be difficult to restore the sidebar as clicking the buttons
// has no effect (only hides/shows the splitter handle)
// So we want to transform this size-0-sidebar
// to a sidebar that is shrunk (d->stack hidden)
// and can be restored by clicking a tab bar button
// We need to look at the widget between index-1 and index
// and the one between index and index+1
QList<int> sizeList = sizes();
// Is there a sidebar with size 0 before index ?
if ((index > 0) && (sizeList.at(index-1) == 0))
{
QWidget* const w = widget(index-1);<--- Variable 'w' can be declared as pointer to const
for (Sidebar* const sidebar : std::as_const(d->sidebars))
{
if (w == sidebar->d->stack)
{ // cppcheck-suppress useStlAlgorithm
if (!sidebar->d->minimized)
{
sidebar->setTab(sidebar->d->activeTab, false);
sidebar->shrink();
}
break;
}
}
}
// Is there a sidebar with size 0 after index ?
if (sizeList.at(index) == 0)
{
QWidget* const w = widget(index);<--- Variable 'w' can be declared as pointer to const
for (Sidebar* const sidebar : std::as_const(d->sidebars))
{
if (w == sidebar->d->stack)
{ // cppcheck-suppress useStlAlgorithm
if (!sidebar->d->minimized)
{
sidebar->setTab(sidebar->d->activeTab, false);
sidebar->shrink();
}
break;
}
}
}
}
} // namespace Digikam
|