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/***************************************************************************
* Copyright (C) 2006-2012 by Peter Penz <[email protected]> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
#ifndef DOLPHINSTATUSBAR_H
#define DOLPHINSTATUSBAR_H
#include <QTime>
#include <QWidget>
class QUrl;
class StatusBarSpaceInfo;
class QLabel;
class QProgressBar;
class QToolButton;
class QSlider;
class QTimer;
/**
* @brief Represents the statusbar of a Dolphin view.
*
* The statusbar allows to show messages, progress
* information and space-information of a disk.
*/
class DolphinStatusBar : public QWidget
{
Q_OBJECT
public:
DolphinStatusBar(QWidget* parent);
virtual ~DolphinStatusBar();
QString text() const;
/**
* Sets the text for the progress information.
* DolphinStatusBar::setProgress() should be invoked
* afterwards each time the progress changes.
*/
void setProgressText(const QString& text);
QString progressText() const;
/**
* Sets the progress in percent (0 - 100). The
* progress is shown delayed by 500 milliseconds:
* If the progress does reach 100 % within 500 milliseconds,
* the progress is not shown at all.
*/
void setProgress(int percent);
int progress() const;
/**
* Replaces the text set by setText() by the text that
* has been set by setDefaultText(). It is assured that the previous
* text will be shown for at least 1 second. DolphinStatusBar::text()
* will return an empty string after the reset has been done.
*/
void resetToDefaultText();
/**
* Sets the default text, which is shown if the status bar
* is rest by DolphinStatusBar::resetToDefaultText().
*/
void setDefaultText(const QString& text);
QString defaultText() const;
QUrl url() const;
int zoomLevel() const;
/**
* Refreshes the status bar to get synchronized with the (updated) Dolphin settings.
*/
void readSettings();
public slots:
void setText(const QString& text);
void setUrl(const QUrl& url);
void setZoomLevel(int zoomLevel);
signals:
/**
* Is emitted if the stop-button has been pressed during showing a progress.
*/
void stopPressed();
void zoomLevelChanged(int zoomLevel);
protected:
virtual void contextMenuEvent(QContextMenuEvent* event) Q_DECL_OVERRIDE;
virtual bool eventFilter(QObject* obj, QEvent* event) Q_DECL_OVERRIDE;
private slots:
void showZoomSliderToolTip(int zoomLevel);
void updateProgressInfo();
/**
* Updates the text for m_label and does an eliding in
* case if the text does not fit into the available width.
*/
void updateLabelText();
/**
* Is invoked by m_resetToDefaultTextTimer and clears
* m_text so that the default text will be shown. This
* prevents that information-messages will be cleared
* too fast.
*/
void slotResetToDefaultText();
/**
* Updates the text of the zoom slider tooltip to show
* the currently used size.
*/
void updateZoomSliderToolTip(int zoomLevel);
private:
/**
* Makes the space information widget and zoom slider widget
* visible, if \a visible is true and the settings allow to show
* the widgets. showUnknownProgressIf \a visible is false, it is assured that both
* widgets are hidden.
*/
void setExtensionsVisible(bool visible);
private:
QString m_text;
QString m_defaultText;
QLabel* m_label;
StatusBarSpaceInfo* m_spaceInfo;
QSlider* m_zoomSlider;
QLabel* m_progressTextLabel;
QProgressBar* m_progressBar;
QToolButton* m_stopButton;
int m_progress;
QTimer* m_showProgressBarTimer;
QTimer* m_resetToDefaultTextTimer;
QTime m_textTimestamp;
};
#endif
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