155 lines
4.3 KiB
C++
155 lines
4.3 KiB
C++
/***************************************************************************
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* Copyright (C) 2008 by Volker Lanz <vl@fidra.de> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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***************************************************************************/
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#include "gui/parttablewidget.h"
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#include "gui/partwidget.h"
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#include "core/partitiontable.h"
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#include <QMouseEvent>
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#include <kdebug.h>
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#include <klocale.h>
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/** Creates a new PartTableWidget.
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@param parent pointer to the parent widget
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*/
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PartTableWidget::PartTableWidget(QWidget* parent) :
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QWidget(parent),
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m_PartitionTable(NULL),
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m_Widgets(),
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m_ActiveWidget(NULL),
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m_LabelEmpty(i18nc("@info", "Please select a device."), this)
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{
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labelEmpty().setAlignment(Qt::AlignVCenter | Qt::AlignHCenter);
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}
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/** Sets the PartitionTable this widget shows.
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@param ptable pointer to the PartitionTable to show. Must not be NULL.
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*/
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void PartTableWidget::setPartitionTable(const PartitionTable* ptable)
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{
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clear();
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m_PartitionTable = ptable;
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if (partitionTable() != NULL)
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{
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foreach(const Partition* p, partitionTable()->children())
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{
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widgets().append(new PartWidget(this, this, p));
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widgets().last()->show();
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}
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}
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if (widgets().isEmpty())
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{
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labelEmpty().setVisible(true);
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labelEmpty().setText(i18nc("@info", "No valid partition table was found on this device."));
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labelEmpty().resize(size());
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}
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else
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{
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labelEmpty().setVisible(false);
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positionChildren(this, partitionTable()->children(), widgets());
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}
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update();
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}
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/** Sets a widget active.
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@param p pointer to the PartWidget to set active. May be NULL.
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*/
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void PartTableWidget::setActiveWidget(PartWidget* p)
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{
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const PartWidget* old = m_ActiveWidget;
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m_ActiveWidget = p;
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if (old != activeWidget())
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emit itemSelectionChanged(p);
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update();
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}
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/** Sets a widget for the given Partition active.
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@param p pointer to the Partition whose widget is to be set active. May be NULL.
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*/
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void PartTableWidget::setActivePartition(const Partition* p)
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{
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foreach (PartWidget* pw, findChildren<PartWidget*>())
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if (pw->partition() == p)
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{
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setActiveWidget(pw);
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return;
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}
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setActiveWidget(NULL);
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}
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/** Clears the PartTableWidget.
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*/
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void PartTableWidget::clear()
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{
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setActiveWidget(NULL);
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m_PartitionTable = NULL;
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// we might have been invoked indirectly via a widget's context menu, so
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// that its event handler is currently running. therefore, do not delete
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// the part widgets here but schedule them for deletion once the app
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// returns to the main loop (and the event handler has finished).
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foreach(PartWidget* p, widgets())
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{
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p->setVisible(false);
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p->deleteLater();
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}
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widgets().clear();
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update();
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}
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void PartTableWidget::resizeEvent(QResizeEvent*)
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{
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if (partitionTable() == NULL || widgets().isEmpty())
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labelEmpty().resize(size());
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else
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positionChildren(this, partitionTable()->children(), widgets());
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}
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void PartTableWidget::mousePressEvent(QMouseEvent* event)
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{
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event->accept();
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PartWidget* child = qobject_cast<PartWidget*>(childAt(event->pos()));
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setActiveWidget(child);
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}
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void PartTableWidget::mouseDoubleClickEvent(QMouseEvent* event)
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{
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if (event->button() != Qt::LeftButton)
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return;
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event->accept();
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const PartWidget* child = static_cast<PartWidget*>(childAt(event->pos()));
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if (child != NULL)
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emit itemActivated(child);
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}
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