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
  71 void DolphinStatusBar::setMessage(const QString& msg,
  72                                   Type type)
  73 {
  74     m_messageLabel->setMessage(msg, type);
  75
  76     const int widthGap = m_messageLabel->widthGap();
  77     if (widthGap > 0) {
  78         m_progressBar->hide();
  79         m_progressText->hide();
  80     }
  81     showSpaceInfo();
  82 }
  83
  84 DolphinStatusBar::Type DolphinStatusBar::type() const
  85 {
  86     return m_messageLabel->type();
  87 }
  88
  89 QString DolphinStatusBar::message() const
  90 {
  91     return m_messageLabel->text();
  92 }
  93
  94 void DolphinStatusBar::setProgressText(const QString& text)
  95 {
  96     m_progressText->setText(text);
  97 }
  98
  99 QString DolphinStatusBar::progressText() const
 100 {
 101     return m_progressText->text();
 102 }
 103
 104 void DolphinStatusBar::setProgress(int percent)
 105 {
 106     if (percent < 0) {
 107         percent = 0;
 108     }
 109     else if (percent > 100) {
 110         percent = 100;
 111     }
 112
 113     m_progress = percent;
 114     if (m_messageLabel->type() == Error) {
 115         // don't update any widget or status bar text if an
 116         // error message is shown
 117         return;
 118     }
 119
 120     m_progressBar->setValue(m_progress);
 121     if (!m_progressBar->isVisible() || (percent == 100)) {
 122         QTimer::singleShot(500, this, SLOT(updateProgressInfo()));
 123     }
 124
 125     const QString& defaultText = m_messageLabel->defaultText();
 126     const QString msg(m_messageLabel->text());
 127     if ((percent == 0) && !msg.isEmpty()) {
 128         setMessage(QString(), Default);
 129     }
 130     else if ((percent == 100) && (msg != defaultText)) {
 131         setMessage(defaultText, Default);
 132     }
 133 }
 134
 135 void DolphinStatusBar::clear()
 136 {
 137     setMessage(m_messageLabel->defaultText(), Default);
 138 }
 139
 140 void DolphinStatusBar::setDefaultText(const QString& text)
 141 {
 142     m_messageLabel->setDefaultText(text);
 143 }
 144
 145 const QString& DolphinStatusBar::defaultText() const
 146 {
 147     return m_messageLabel->defaultText();
 148 }
 149
 150 void DolphinStatusBar::resizeEvent(QResizeEvent* event)
 151 {
 152     QWidget::resizeEvent(event);
 153     QTimer::singleShot(0, this, SLOT(showSpaceInfo()));
 154 }
 155
 156 void DolphinStatusBar::updateProgressInfo()
 157 {
 158     const bool isErrorShown = (m_messageLabel->type() == Error);
 159     if (m_progress < 100) {
 160         // show the progress information and hide the space information
 161         m_spaceInfo->hide();
 162         if (!isErrorShown) {
 163             m_progressText->show();
 164             m_progressBar->show();
 165         }
 166     }
 167     else {
 168         // hide the progress information and show the space information
 169         m_progressText->hide();
 170         m_progressBar->hide();
 171         showSpaceInfo();
 172     }
 173 }
 174
 175 void DolphinStatusBar::updateSpaceInfoContent(const KUrl& url)
 176 {
 177     m_spaceInfo->setUrl(url);
 178     showSpaceInfo();
 179 }
 180
 181 void DolphinStatusBar::showSpaceInfo()
 182 {
 183     const int widthGap = m_messageLabel->widthGap();
 184     const bool isProgressBarVisible = m_progressBar->isVisible();
 185
 186     if (m_spaceInfo->isVisible()) {
 187         // The space information is shown currently. Hide it
 188         // if the progress bar is visible or if the status bar
 189         // text does not fit into the available width.
 190         const QSize size(m_progressBar->sizeHint());
 191         if (isProgressBarVisible || (widthGap > 0)) {
 192             m_spaceInfo->hide();
 193         }
 194     }
 195     else if (widthGap + m_spaceInfo->width() <= 0) {
 196         m_spaceInfo->show();
 197     }
 198 }
 199
 200 #include "dolphinstatusbar.moc"