172 lines
4.4 KiB
C++
172 lines
4.4 KiB
C++
/*
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SPDX-FileCopyrightText: 2008-2010 Volker Lanz <vl@fidra.de>
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SPDX-FileCopyrightText: 2014-2020 Andrius Štikonas <andrius@stikonas.eu>
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SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#include "gui/parttablewidget.h"
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#include "util/guihelpers.h"
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#include "mainwindow.h"
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#include <core/partitiontable.h>
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#include <gui/partwidget.h>
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#include <QMouseEvent>
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#include <KLocalizedString>
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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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PartWidgetBase(parent),
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m_PartitionTable(nullptr),
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m_LabelEmpty(xi18nc("@info", "Please select a device."), this),
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m_ReadOnly(false)
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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 nullptr.
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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() != nullptr) {
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for (const auto &p : partitionTable()->children()) {
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PartWidget* w = new PartWidget(this, p);
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w->setVisible(true);
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w->setFileSystemColorCode(GuiHelpers::fileSystemColorCodesFromSettings());
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const auto children = w->childWidgets();
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for (const auto &child : children)
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child->setFileSystemColorCode(GuiHelpers::fileSystemColorCodesFromSettings());
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}
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}
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if (childWidgets().isEmpty()) {
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labelEmpty().setVisible(true);
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labelEmpty().setText(xi18nc("@info", "No valid partition table was found on this device."));
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labelEmpty().resize(size());
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} else {
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labelEmpty().setVisible(false);
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positionChildren(this, partitionTable()->children(), childWidgets());
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}
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update();
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}
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PartWidget* PartTableWidget::activeWidget()
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{
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const auto children = findChildren<PartWidget*>();
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for (auto &pw : children)
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if (pw->isActive())
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return pw;
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return nullptr;
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}
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const PartWidget* PartTableWidget::activeWidget() const
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{
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const auto children = findChildren<PartWidget*>();
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for (const auto &pw : children)
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if (pw->isActive())
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return pw;
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return nullptr;
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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 nullptr.
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*/
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void PartTableWidget::setActiveWidget(PartWidget* p)
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{
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if (isReadOnly() || p == activeWidget())
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return;
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if (activeWidget())
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activeWidget()->setActive(false);
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if (p != nullptr)
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p->setActive(true);
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Q_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 nullptr.
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*/
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void PartTableWidget::setActivePartition(const Partition* p)
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{
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if (isReadOnly())
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return;
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const auto children = findChildren<PartWidget*>();
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for (auto &pw : children) {
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if (pw->partition() == p) {
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setActiveWidget(pw);
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return;
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}
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}
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setActiveWidget(nullptr);
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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(nullptr);
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m_PartitionTable = nullptr;
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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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for (auto &p : childWidgets()) {
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p->setVisible(false);
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p->deleteLater();
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p->setParent(nullptr);
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}
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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() == nullptr || childWidgets().isEmpty())
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labelEmpty().resize(size());
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else
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positionChildren(this, partitionTable()->children(), childWidgets());
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}
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void PartTableWidget::mousePressEvent(QMouseEvent* event)
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{
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if (isReadOnly())
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return;
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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 (isReadOnly() || 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 != nullptr)
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Q_EMIT itemDoubleClicked(child);
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}
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