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 int contentHeight = QFontMetrics(m_messageLabel->font()).height();
  55     const int barHeight = contentHeight + 8;
  56
  57     setMinimumHeight(barHeight);
  58     m_messageLabel->setMinimumTextHeight(barHeight);
  59     m_spaceInfo->setFixedHeight(contentHeight);
  60     m_progressBar->setFixedHeight(contentHeight);
  61     m_progressBar->setMaximumWidth(200);
  62 }
  63
  64
  65 DolphinStatusBar::~DolphinStatusBar()
  66 {
  67 }
  68
  69 void DolphinStatusBar::setMessage(const QString& msg,
  70                                   Type type)
  71 {
  72     m_messageLabel->setMessage(msg, type);
  73
  74     const int widthGap = m_messageLabel->widthGap();
  75     if (widthGap > 0) {
  76         m_progressBar->hide();
  77         m_progressText->hide();
  78     }
  79     showSpaceInfo();
  80 }
  81
  82 DolphinStatusBar::Type DolphinStatusBar::type() const
  83 {
  84     return m_messageLabel->type();
  85 }
  86
  87 QString DolphinStatusBar::message() const
  88 {
  89     return m_messageLabel->text();
  90 }
  91
  92 void DolphinStatusBar::setProgressText(const QString& text)
  93 {
  94     m_progressText->setText(text);
  95 }
  96
  97 QString DolphinStatusBar::progressText() const
  98 {
  99     return m_progressText->text();
 100 }
 101
 102 void DolphinStatusBar::setProgress(int percent)
 103 {
 104     if (percent < 0) {
 105         percent = 0;
 106     } else if (percent > 100) {
 107         percent = 100;
 108     }
 109
 110     m_progress = percent;
 111     if (m_messageLabel->type() == Error) {
 112         // don't update any widget or status bar text if an
 113         // error message is shown
 114         return;
 115     }
 116
 117     m_progressBar->setValue(m_progress);
 118     if (!m_progressBar->isVisible() || (percent == 100)) {
 119         QTimer::singleShot(500, this, SLOT(updateProgressInfo()));
 120     }
 121
 122     const QString& defaultText = m_messageLabel->defaultText();
 123     const QString msg(m_messageLabel->text());
 124     if ((percent == 0) && !msg.isEmpty()) {
 125         setMessage(QString(), Default);
 126     } else if ((percent == 100) && (msg != defaultText)) {
 127         setMessage(defaultText, Default);
 128     }
 129 }
 130
 131 void DolphinStatusBar::clear()
 132 {
 133     setMessage(m_messageLabel->defaultText(), Default);
 134 }
 135
 136 void DolphinStatusBar::setDefaultText(const QString& text)
 137 {
 138     m_messageLabel->setDefaultText(text);
 139 }
 140
 141 const QString& DolphinStatusBar::defaultText() const
 142 {
 143     return m_messageLabel->defaultText();
 144 }
 145
 146 void DolphinStatusBar::resizeEvent(QResizeEvent* event)
 147 {
 148     QWidget::resizeEvent(event);
 149     QMetaObject::invokeMethod(this, "showSpaceInfo", Qt::QueuedConnection);
 150 }
 151
 152 void DolphinStatusBar::updateProgressInfo()
 153 {
 154     const bool isErrorShown = (m_messageLabel->type() == Error);
 155     if (m_progress < 100) {
 156         // show the progress information and hide the space information
 157         m_spaceInfo->hide();
 158         if (!isErrorShown) {
 159             m_progressText->show();
 160             m_progressBar->show();
 161         }
 162     } else {
 163         // hide the progress information and show the space information
 164         m_progressText->hide();
 165         m_progressBar->hide();
 166         showSpaceInfo();
 167     }
 168 }
 169
 170 void DolphinStatusBar::updateSpaceInfoContent(const KUrl& url)
 171 {
 172     m_spaceInfo->setUrl(url);
 173     showSpaceInfo();
 174 }
 175
 176 void DolphinStatusBar::showSpaceInfo()
 177 {
 178     const int widthGap = m_messageLabel->widthGap();
 179     const bool isProgressBarVisible = m_progressBar->isVisible();
 180
 181     if (m_spaceInfo->isVisible()) {
 182         // The space information is shown currently. Hide it
 183         // if the progress bar is visible or if the status bar
 184         // text does not fit into the available width.
 185         if (isProgressBarVisible || (widthGap > 0)) {
 186             m_spaceInfo->hide();
 187         }
 188     } else if (widthGap + m_spaceInfo->width() <= 0) {
 189         m_spaceInfo->show();
 190     }
 191 }
 192
 193 #include "dolphinstatusbar.moc"