2008-09-24 20:32:01 +01:00
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/***************************************************************************
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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/partwidget.h"
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#include "gui/parttablewidget.h"
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#include "util/capacity.h"
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#include "core/partition.h"
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#include "core/operationstack.h"
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2008-12-17 10:19:58 +00:00
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#include "fs/filesystem.h"
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2008-09-24 20:32:01 +01:00
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#include <QPainter>
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#include <kdebug.h>
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#include <kcolorscheme.h>
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#include <kglobalsettings.h>
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/** Creates a new PartWidget
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@param parent pointer to the parent widget
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@param ptWidget pointer to the PartTableWidget this widget will be in
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@param p pointer to the Partition this widget will show
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@param show_children true if this widget is supposed to show child widgets
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*/
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PartWidget::PartWidget(QWidget* parent, const PartTableWidget* ptWidget, const Partition* p, bool show_children) :
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QWidget(parent),
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PartWidgetBase(),
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m_PartTableWidget(const_cast<PartTableWidget*>(ptWidget)),
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m_Partition(const_cast<Partition*>(p)),
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2009-11-09 13:51:08 +00:00
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m_Widgets(),
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2008-09-24 20:32:01 +01:00
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m_ShowChildren(show_children)
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{
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setFont(KGlobalSettings::smallestReadableFont());
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2008-12-17 10:19:58 +00:00
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if (partition())
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setToolTip(partition()->deviceNode() + '\n' + partition()->fileSystem().name() + ' ' + Capacity(*partition()).toString());
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2008-09-24 20:32:01 +01:00
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updateChildren();
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}
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/** Updates the widget's children */
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void PartWidget::updateChildren()
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{
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foreach (QWidget* w, widgets())
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{
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w->setVisible(false);
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w->deleteLater();
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}
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widgets().clear();
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if (partition() && showChildren())
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{
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foreach(Partition* child, partition()->children())
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{
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widgets().append(new PartWidget(this, partTableWidget(), child));
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widgets().last()->show();
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}
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positionChildren(this, partition()->children(), widgets());
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}
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}
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/** @return true if this is the currently active widget */
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bool PartWidget::active() const
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{
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if (partTableWidget() == NULL)
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return false;
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return partTableWidget()->activeWidget() == this;
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}
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void PartWidget::resizeEvent(QResizeEvent*)
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{
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if (partition() && showChildren())
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positionChildren(this, partition()->children(), widgets());
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}
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void PartWidget::paintEvent(QPaintEvent*)
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{
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drawPartition(this);
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}
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void PartWidget::drawPartition(QWidget* destWidget)
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{
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if (partition() == NULL)
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return;
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const int usedPercentage = partition()->used() * 100 / partition()->capacity();
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const int w = (destWidget->width() - 1 - (PartWidget::borderWidth() * 2)) * usedPercentage / 100;
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QPainter painter(destWidget);
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KColorScheme colorScheme(QPalette::Active, active() ? KColorScheme::Selection : KColorScheme::View);
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// draw border
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painter.setPen(colorScheme.foreground().color());
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painter.setBrush(colorScheme.background(partition()->roles().has(PartitionRole::Extended) ? KColorScheme::PositiveBackground : KColorScheme::NeutralBackground));
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painter.drawRect(QRect(0, 0, destWidget->width() - 1, destWidget->height() - 1));
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if (partition()->roles().has(PartitionRole::Extended))
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return;
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if (!partition()->roles().has(PartitionRole::Unallocated))
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{
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// draw free space background
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painter.setBrush(colorScheme.background(KColorScheme::NormalBackground));
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painter.drawRect(QRect(PartWidget::borderWidth(), PartWidget::borderHeight(), destWidget->width() - 1 - (PartWidget::borderWidth() * 2), destWidget->height() - (PartWidget::borderHeight() * 2)));
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// draw used space in front of that
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painter.setBrush(colorScheme.background(KColorScheme::NegativeBackground));
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painter.drawRect(QRect(PartWidget::borderWidth(), PartWidget::borderHeight(), w, destWidget->height() - (PartWidget::borderHeight() * 2)));
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}
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// draw name and size
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QString text = partition()->deviceNode().remove("/dev/") + '\n' + Capacity(*partition()).toString();
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const QRect textRect(0, 0, destWidget->width() - 1, destWidget->height() - 1);
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const QRect boundingRect = painter.boundingRect(textRect, Qt::AlignVCenter | Qt::AlignHCenter, text);
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if (boundingRect.x() > PartWidgetBase::borderWidth() && boundingRect.y() > PartWidgetBase::borderHeight())
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painter.drawText(textRect, Qt::AlignVCenter | Qt::AlignHCenter, text);
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}
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