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 <QtGui/QLabel>
  27 #include <QtGui/QProgressBar>
  28 #include <QtCore/QTimer>
  29
  30 #include <kiconloader.h>
  31 #include <kvbox.h>
  32
  33 DolphinStatusBar::DolphinStatusBar(QWidget* parent, const KUrl& url) :
  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(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
  63
  64 DolphinStatusBar::~DolphinStatusBar()
  65 {}
  66
  67 void DolphinStatusBar::setMessage(const QString& msg,
  68                                   Type type)
  69 {
  70     m_messageLabel->setMessage(msg, type);
  71
  72     const int widthGap = m_messageLabel->widthGap();
  73     if (widthGap > 0) {
  74         m_progressBar->hide();
  75         m_progressText->hide();
  76     }
  77     showSpaceInfo();
  78 }
  79
  80 DolphinStatusBar::Type DolphinStatusBar::type() const
  81 {
  82     return m_messageLabel->type();
  83 }
  84
  85 QString DolphinStatusBar::message() const
  86 {
  87     return m_messageLabel->text();
  88 }
  89
  90 void DolphinStatusBar::setProgressText(const QString& text)
  91 {
  92     m_progressText->setText(text);
  93 }
  94
  95 QString DolphinStatusBar::progressText() const
  96 {
  97     return m_progressText->text();
  98 }
  99
 100 void DolphinStatusBar::setProgress(int percent)
 101 {
 102     if (percent < 0) {
 103         percent = 0;
 104     } else if (percent > 100) {
 105         percent = 100;
 106     }
 107
 108     m_progress = percent;
 109     if (m_messageLabel->type() == Error) {
 110         // don't update any widget or status bar text if an
 111         // error message is shown
 112         return;
 113     }
 114
 115     m_progressBar->setValue(m_progress);
 116     if (!m_progressBar->isVisible() || (percent == 100)) {
 117         QTimer::singleShot(500, this, SLOT(updateProgressInfo()));
 118     }
 119
 120     const QString& defaultText = m_messageLabel->defaultText();
 121     const QString msg(m_messageLabel->text());
 122     if ((percent == 0) && !msg.isEmpty()) {
 123         setMessage(QString(), Default);
 124     } else if ((percent == 100) && (msg != defaultText)) {
 125         setMessage(defaultText, Default);
 126     }
 127 }
 128
 129 void DolphinStatusBar::clear()
 130 {
 131     setMessage(m_messageLabel->defaultText(), Default);
 132 }
 133
 134 void DolphinStatusBar::setDefaultText(const QString& text)
 135 {
 136     m_messageLabel->setDefaultText(text);
 137 }
 138
 139 const QString& DolphinStatusBar::defaultText() const
 140 {
 141     return m_messageLabel->defaultText();
 142 }
 143
 144 void DolphinStatusBar::resizeEvent(QResizeEvent* event)
 145 {
 146     QWidget::resizeEvent(event);
 147     QMetaObject::invokeMethod(this, "showSpaceInfo", Qt::QueuedConnection);
 148 }
 149
 150 void DolphinStatusBar::updateProgressInfo()
 151 {
 152     const bool isErrorShown = (m_messageLabel->type() == Error);
 153     if (m_progress < 100) {
 154         // show the progress information and hide the space information
 155         m_spaceInfo->hide();
 156         if (!isErrorShown) {
 157             m_progressText->show();
 158             m_progressBar->show();
 159         }
 160     } else {
 161         // hide the progress information and show the space information
 162         m_progressText->hide();
 163         m_progressBar->hide();
 164         showSpaceInfo();
 165     }
 166 }
 167
 168 void DolphinStatusBar::updateSpaceInfoContent(const KUrl& url)
 169 {
 170     m_spaceInfo->setUrl(url);
 171     showSpaceInfo();
 172 }
 173
 174 void DolphinStatusBar::showSpaceInfo()
 175 {
 176     const int widthGap = m_messageLabel->widthGap();
 177     const bool isProgressBarVisible = m_progressBar->isVisible();
 178
 179     if (m_spaceInfo->isVisible()) {
 180         // The space information is shown currently. Hide it
 181         // if the progress bar is visible or if the status bar
 182         // text does not fit into the available width.
 183         const QSize size(m_progressBar->sizeHint());
 184         if (isProgressBarVisible || (widthGap > 0)) {
 185             m_spaceInfo->hide();
 186         }
 187     } else if (widthGap + m_spaceInfo->width() <= 0) {
 188         m_spaceInfo->show();
 189     }
 190 }
 191
 192 #include "dolphinstatusbar.moc"