src/dolphinstatusbar.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Peter Penz                                      *
   3  *   peter.penz@gmx.at                                                     *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  19  ***************************************************************************/
  20
  21 #include "dolphinstatusbar.h"
  22 #include "dolphinview.h"
  23 #include "statusbarmessagelabel.h"
  24 #include "statusbarspaceinfo.h"
  25
  26 #include <QLabel>
  27 #include <QProgressBar>
  28 #include <QTimer>
  29
  30 #include <kiconloader.h>
  31 #include <kvbox.h>
  32
  33 DolphinStatusBar::DolphinStatusBar(DolphinView* parent) :
  34         KHBox(parent),
  35         m_messageLabel(0),
  36         m_spaceInfo(0),
  37         m_progressBar(0),
  38         m_progress(100)
  39 {
  40     setSpacing(4);
  41
  42     m_messageLabel = new StatusBarMessageLabel(this);
  43     m_messageLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
  44
  45     m_spaceInfo = new StatusBarSpaceInfo(this);
  46     m_spaceInfo->setUrl(parent->url());
  47
  48     m_progressText = new QLabel(this);
  49     m_progressText->hide();
  50
  51     m_progressBar = new QProgressBar(this);
  52     m_progressBar->hide();
  53
  54     const QSize size(m_progressBar->sizeHint());
  55     const int barHeight = size.height();
  56
  57     m_progressBar->setMaximumWidth(200);
  58     setMinimumHeight(barHeight);
  59     m_messageLabel->setMinimumTextHeight(barHeight);
  60     m_spaceInfo->setFixedHeight(barHeight);
  61
  62     connect(parent, SIGNAL(urlChanged(const KUrl&)),
  63             this, SLOT(updateSpaceInfoContent(const KUrl&)));
  64 }
  65
  66
  67 DolphinStatusBar::~DolphinStatusBar()
  68 {}
  69
  70 void DolphinStatusBar::setMessage(const QString& msg,
  71                                   Type type)
  72 {
  73     m_messageLabel->setMessage(msg, type);
  74
  75     const int widthGap = m_messageLabel->widthGap();
  76     if (widthGap > 0) {
  77         m_progressBar->hide();
  78         m_progressText->hide();
  79     }
  80     showSpaceInfo();
  81 }
  82
  83 DolphinStatusBar::Type DolphinStatusBar::type() const
  84 {
  85     return m_messageLabel->type();
  86 }
  87
  88 QString DolphinStatusBar::message() const
  89 {
  90     return m_messageLabel->text();
  91 }
  92
  93 void DolphinStatusBar::setProgressText(const QString& text)
  94 {
  95     m_progressText->setText(text);
  96 }
  97
  98 QString DolphinStatusBar::progressText() const
  99 {
 100     return m_progressText->text();
 101 }
 102
 103 void DolphinStatusBar::setProgress(int percent)
 104 {
 105     if (percent < 0) {
 106         percent = 0;
 107     } else if (percent > 100) {
 108         percent = 100;
 109     }
 110
 111     m_progress = percent;
 112     if (m_messageLabel->type() == Error) {
 113         // don't update any widget or status bar text if an
 114         // error message is shown
 115         return;
 116     }
 117
 118     m_progressBar->setValue(m_progress);
 119     if (!m_progressBar->isVisible() || (percent == 100)) {
 120         QTimer::singleShot(500, this, SLOT(updateProgressInfo()));
 121     }
 122
 123     const QString& defaultText = m_messageLabel->defaultText();
 124     const QString msg(m_messageLabel->text());
 125     if ((percent == 0) && !msg.isEmpty()) {
 126         setMessage(QString(), Default);
 127     } else if ((percent == 100) && (msg != defaultText)) {
 128         setMessage(defaultText, Default);
 129     }
 130 }
 131
 132 void DolphinStatusBar::clear()
 133 {
 134     setMessage(m_messageLabel->defaultText(), Default);
 135 }
 136
 137 void DolphinStatusBar::setDefaultText(const QString& text)
 138 {
 139     m_messageLabel->setDefaultText(text);
 140 }
 141
 142 const QString& DolphinStatusBar::defaultText() const
 143 {
 144     return m_messageLabel->defaultText();
 145 }
 146
 147 void DolphinStatusBar::resizeEvent(QResizeEvent* event)
 148 {
 149     QWidget::resizeEvent(event);
 150     QTimer::singleShot(0, this, SLOT(showSpaceInfo()));
 151 }
 152
 153 void DolphinStatusBar::updateProgressInfo()
 154 {
 155     const bool isErrorShown = (m_messageLabel->type() == Error);
 156     if (m_progress < 100) {
 157         // show the progress information and hide the space information
 158         m_spaceInfo->hide();
 159         if (!isErrorShown) {
 160             m_progressText->show();
 161             m_progressBar->show();
 162         }
 163     } else {
 164         // hide the progress information and show the space information
 165         m_progressText->hide();
 166         m_progressBar->hide();
 167         showSpaceInfo();
 168     }
 169 }
 170
 171 void DolphinStatusBar::updateSpaceInfoContent(const KUrl& url)
 172 {
 173     m_spaceInfo->setUrl(url);
 174     showSpaceInfo();
 175 }
 176
 177 void DolphinStatusBar::showSpaceInfo()
 178 {
 179     const int widthGap = m_messageLabel->widthGap();
 180     const bool isProgressBarVisible = m_progressBar->isVisible();
 181
 182     if (m_spaceInfo->isVisible()) {
 183         // The space information is shown currently. Hide it
 184         // if the progress bar is visible or if the status bar
 185         // text does not fit into the available width.
 186         const QSize size(m_progressBar->sizeHint());
 187         if (isProgressBarVisible || (widthGap > 0)) {
 188             m_spaceInfo->hide();
 189         }
 190     } else if (widthGap + m_spaceInfo->width() <= 0) {
 191         m_spaceInfo->show();
 192     }
 193 }
 194
 195 #include "dolphinstatusbar.moc"