X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/136e2ae3d75677ec008e7b5973b8e73bc38e9530..848abc5922167a467bb73107ee6b72e9af3c8317:/src/statusbar/dolphinstatusbar.cpp diff --git a/src/statusbar/dolphinstatusbar.cpp b/src/statusbar/dolphinstatusbar.cpp index c36651e0b..14672dff0 100644 --- a/src/statusbar/dolphinstatusbar.cpp +++ b/src/statusbar/dolphinstatusbar.cpp @@ -1,6 +1,5 @@ /*************************************************************************** - * Copyright (C) 2006 by Peter Penz * - * peter.penz@gmx.at * + * Copyright (C) 2006-2012 by Peter Penz * * * * 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 * @@ -19,101 +18,119 @@ ***************************************************************************/ #include "dolphinstatusbar.h" -#include "settings/dolphinsettings.h" -#include "dolphinview.h" + #include "dolphin_generalsettings.h" -#include "statusbarmessagelabel.h" + +#include +#include +#include +#include + #include "statusbarspaceinfo.h" -#include "zoomlevelinfo.h" #include #include -#include #include #include #include +#include +#include +#include + +#include +#include + +namespace { + const int ResetToDefaultTimeout = 1000; +} -#include -#include -#include -#include - -DolphinStatusBar::DolphinStatusBar(QWidget* parent, DolphinView* view) : - KHBox(parent), - m_view(view), - m_messageLabel(0), - m_spaceInfo(0), - m_zoomWidget(0), - m_zoomOut(0), - m_zoomSlider(0), - m_zoomIn(0), - m_progressBar(0), +DolphinStatusBar::DolphinStatusBar(QWidget* parent) : + QWidget(parent), + m_text(), + m_defaultText(), + m_label(nullptr), + m_spaceInfo(nullptr), + m_zoomSlider(nullptr), + m_progressBar(nullptr), + m_stopButton(nullptr), m_progress(100), - m_messageTimeStamp() + m_showProgressBarTimer(nullptr), + m_resetToDefaultTextTimer(nullptr), + m_textTimestamp() { - setMargin(0); - setSpacing(4); + // Initialize text label + m_label = new KSqueezedTextLabel(m_text, this); + m_label->setWordWrap(true); + m_label->setTextFormat(Qt::PlainText); + + // Initialize zoom widget + m_zoomSlider = new QSlider(Qt::Horizontal, this); + m_zoomSlider->setAccessibleName(i18n("Zoom")); + m_zoomSlider->setAccessibleDescription(i18nc("Description for zoom-slider (accessibility)", "Sets the size of the file icons.")); + m_zoomSlider->setPageStep(1); + m_zoomSlider->setRange(ZoomLevelInfo::minimumLevel(), ZoomLevelInfo::maximumLevel()); - connect(m_view, SIGNAL(urlChanged(const KUrl&)), - this, SLOT(updateSpaceInfoContent(const KUrl&))); + connect(m_zoomSlider, &QSlider::valueChanged, this, &DolphinStatusBar::zoomLevelChanged); + connect(m_zoomSlider, &QSlider::valueChanged, this, &DolphinStatusBar::updateZoomSliderToolTip); + connect(m_zoomSlider, &QSlider::sliderMoved, this, &DolphinStatusBar::showZoomSliderToolTip); - // initialize message label - m_messageLabel = new StatusBarMessageLabel(this); - m_messageLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed); + // Initialize space information + m_spaceInfo = new StatusBarSpaceInfo(this); - // initialize zoom slider - m_zoomWidget = new QWidget(this); + // Initialize progress information + m_stopButton = new QToolButton(this); + m_stopButton->setIcon(QIcon::fromTheme(QStringLiteral("process-stop"))); + m_stopButton->setAccessibleName(i18n("Stop")); + m_stopButton->setAutoRaise(true); + m_stopButton->setToolTip(i18nc("@tooltip", "Stop loading")); + m_stopButton->hide(); + connect(m_stopButton, &QToolButton::clicked, this, &DolphinStatusBar::stopPressed); - m_zoomOut = new QToolButton(m_zoomWidget); - m_zoomOut->setIcon(KIcon("zoom-out")); - m_zoomOut->setAutoRaise(true); + m_progressTextLabel = new QLabel(this); + m_progressTextLabel->hide(); - m_zoomSlider = new QSlider(Qt::Horizontal, m_zoomWidget); - m_zoomSlider->setPageStep(1); + m_progressBar = new QProgressBar(this); + m_progressBar->hide(); - const int min = ZoomLevelInfo::minimumLevel(); - const int max = ZoomLevelInfo::maximumLevel(); - m_zoomSlider->setRange(min, max); - m_zoomSlider->setValue(view->zoomLevel()); - updateZoomSliderToolTip(view->zoomLevel()); - - m_zoomIn = new QToolButton(m_zoomWidget); - m_zoomIn->setIcon(KIcon("zoom-in")); - m_zoomIn->setAutoRaise(true); - - QHBoxLayout* zoomWidgetLayout = new QHBoxLayout(m_zoomWidget); - zoomWidgetLayout->setSpacing(0); - zoomWidgetLayout->setMargin(0); - zoomWidgetLayout->addWidget(m_zoomOut); - zoomWidgetLayout->addWidget(m_zoomSlider); - zoomWidgetLayout->addWidget(m_zoomIn); - - connect(m_zoomSlider, SIGNAL(valueChanged(int)), this, SLOT(setZoomLevel(int))); - connect(m_zoomSlider, SIGNAL(sliderMoved(int)), this, SLOT(showZoomSliderToolTip(int))); - connect(m_view, SIGNAL(zoomLevelChanged(int)), m_zoomSlider, SLOT(setValue(int))); - connect(m_zoomOut, SIGNAL(clicked()), this, SLOT(zoomOut())); - connect(m_zoomIn, SIGNAL(clicked()), this, SLOT(zoomIn())); - - // initialize space information - m_spaceInfo = new StatusBarSpaceInfo(this); - m_spaceInfo->setUrl(m_view->url()); + m_showProgressBarTimer = new QTimer(this); + m_showProgressBarTimer->setInterval(500); + m_showProgressBarTimer->setSingleShot(true); + connect(m_showProgressBarTimer, &QTimer::timeout, this, &DolphinStatusBar::updateProgressInfo); - // initialize progress information - m_progressText = new QLabel(this); - m_progressText->hide(); + m_resetToDefaultTextTimer = new QTimer(this); + m_resetToDefaultTextTimer->setInterval(ResetToDefaultTimeout); + m_resetToDefaultTextTimer->setSingleShot(true); + connect(m_resetToDefaultTextTimer, &QTimer::timeout, this, &DolphinStatusBar::slotResetToDefaultText); - m_progressBar = new QProgressBar(this); - m_progressBar->hide(); + // Initialize top layout and size policies + const int fontHeight = QFontMetrics(m_label->font()).height(); + const int zoomSliderHeight = m_zoomSlider->minimumSizeHint().height(); + const int buttonHeight = m_stopButton->height(); + const int contentHeight = qMax(qMax(fontHeight, zoomSliderHeight), buttonHeight); + + QFontMetrics fontMetrics(m_label->font()); - // initialize sizes - const int fontHeight = QFontMetrics(m_messageLabel->font()).height(); - const int zoomWidgetHeight = m_zoomWidget->minimumSizeHint().height(); - const int contentHeight = qMax(fontHeight, zoomWidgetHeight); + m_label->setFixedHeight(contentHeight); + m_label->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed); - m_messageLabel->setMinimumTextHeight(contentHeight); - m_spaceInfo->setFixedHeight(contentHeight - 5); - m_progressBar->setFixedSize(200, contentHeight); - m_zoomWidget->setFixedSize(150, contentHeight); + m_zoomSlider->setMaximumWidth(fontMetrics.averageCharWidth() * 25); + + m_spaceInfo->setFixedHeight(zoomSliderHeight); + m_spaceInfo->setMaximumWidth(fontMetrics.averageCharWidth() * 25); + m_spaceInfo->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed); + + m_progressBar->setFixedHeight(zoomSliderHeight); + m_progressBar->setMaximumWidth(fontMetrics.averageCharWidth() * 25); + + QHBoxLayout* topLayout = new QHBoxLayout(this); + topLayout->setContentsMargins(2, 0, 2, 0); + topLayout->setSpacing(4); + topLayout->addWidget(m_label, 1); + topLayout->addWidget(m_zoomSlider, 1); + topLayout->addWidget(m_spaceInfo, 1); + topLayout->addWidget(m_stopButton); + topLayout->addWidget(m_progressTextLabel); + topLayout->addWidget(m_progressBar); setExtensionsVisible(true); } @@ -122,194 +139,145 @@ DolphinStatusBar::~DolphinStatusBar() { } -void DolphinStatusBar::setMessage(const QString& msg, - Type type) +void DolphinStatusBar::setText(const QString& text) { - int timeout = 1000; // Timeout in milliseconds until default - // messages may overwrite other messages. - - QString message = msg; - if (message.isEmpty()) { - // Show the default text as fallback. An empty text indicates - // a clearing of the information message. - if (m_messageLabel->defaultText().isEmpty()) { - return; - } - message = m_messageLabel->defaultText(); - type = Default; - timeout = 0; - } - - if ((message == m_messageLabel->text()) && (type == m_messageLabel->type())) { - // the message is already shown + if (m_text == text) { return; } - const QTime currentTime = QTime::currentTime(); - const bool skipMessage = (type == Default) && - m_messageTimeStamp.isValid() && - (m_messageTimeStamp.msecsTo(currentTime) < timeout); - if (skipMessage) { - // A non-default message is shown just for a very short time. Don't hide - // the message by a default message, so that the user gets the chance to - // read the information. - return; - } + m_textTimestamp = QTime::currentTime(); - m_messageLabel->setMessage(message, type); - if (type != Default) { - m_messageTimeStamp = currentTime; - } + if (text.isEmpty()) { + // Assure that the previous set text won't get + // cleared immediatelly. + m_resetToDefaultTextTimer->start(); + } else { + m_text = text; - const int widthGap = m_messageLabel->widthGap(); - if (widthGap > 0) { - m_progressBar->hide(); - m_progressText->hide(); - } - assureVisibleText(); -} + if (m_resetToDefaultTextTimer->isActive()) { + m_resetToDefaultTextTimer->start(); + } -DolphinStatusBar::Type DolphinStatusBar::type() const -{ - return m_messageLabel->type(); + updateLabelText(); + } } -QString DolphinStatusBar::message() const +QString DolphinStatusBar::text() const { - return m_messageLabel->text(); + return m_text; } void DolphinStatusBar::setProgressText(const QString& text) { - m_progressText->setText(text); + m_progressTextLabel->setText(text); } QString DolphinStatusBar::progressText() const { - return m_progressText->text(); + return m_progressTextLabel->text(); } void DolphinStatusBar::setProgress(int percent) { - if (percent < 0) { - percent = 0; - } else if (percent > 100) { - percent = 100; - } + // Show a busy indicator if a value < 0 is provided: + m_progressBar->setMaximum((percent < 0) ? 0 : 100); + percent = qBound(0, percent, 100); + const bool progressRestarted = (percent < 100) && (percent < m_progress); m_progress = percent; - if (m_messageLabel->type() == Error) { - // don't update any widget or status bar text if an - // error message is shown - return; + if (progressRestarted && !m_progressBar->isVisible()) { + // Show the progress bar delayed: In the case if 100 % are reached within + // a short time, no progress bar will be shown at all. + m_showProgressBarTimer->start(); } m_progressBar->setValue(m_progress); - if (!m_progressBar->isVisible() || (percent == 100)) { - QTimer::singleShot(300, this, SLOT(updateProgressInfo())); - } - - const QString& defaultText = m_messageLabel->defaultText(); - const QString msg(m_messageLabel->text()); - if ((percent == 0) && !msg.isEmpty()) { - setMessage(QString(), Default); - } else if ((percent == 100) && (msg != defaultText)) { - setMessage(defaultText, Default); + if (percent == 100) { + // The end of the progress has been reached. Assure that the progress bar + // gets hidden and the extensions widgets get visible again. + m_showProgressBarTimer->stop(); + updateProgressInfo(); } } -void DolphinStatusBar::clear() +int DolphinStatusBar::progress() const { - setMessage(m_messageLabel->defaultText(), Default); + return m_progress; } -void DolphinStatusBar::setDefaultText(const QString& text) +void DolphinStatusBar::resetToDefaultText() { - m_messageLabel->setDefaultText(text); -} - -const QString& DolphinStatusBar::defaultText() const -{ - return m_messageLabel->defaultText(); + QTime currentTime; + if (currentTime.msecsTo(m_textTimestamp) < ResetToDefaultTimeout) { + m_resetToDefaultTextTimer->start(); + } else { + m_resetToDefaultTextTimer->stop(); + slotResetToDefaultText(); + } } -void DolphinStatusBar::refresh() +void DolphinStatusBar::setDefaultText(const QString& text) { - setExtensionsVisible(true); - assureVisibleText(); + m_defaultText = text; + updateLabelText(); } -void DolphinStatusBar::resizeEvent(QResizeEvent* event) +QString DolphinStatusBar::defaultText() const { - // It is important to hide the widgets before invoking - // QWidget::resizeEvent(), otherwise it is possible that - // the dock widgets are shrinked when having a small - // statusbar width (bug #202147). - m_zoomWidget->hide(); - m_spaceInfo->hide(); - - QWidget::resizeEvent(event); - QMetaObject::invokeMethod(this, "assureVisibleText", Qt::QueuedConnection); + return m_defaultText; } -void DolphinStatusBar::updateProgressInfo() +void DolphinStatusBar::setUrl(const QUrl& url) { - const bool isErrorShown = (m_messageLabel->type() == Error); - if (m_progress < 100) { - // show the progress information and hide the extensions - setExtensionsVisible(false); - if (!isErrorShown) { - m_progressText->show(); - m_progressBar->show(); - } - } else { - // hide the progress information and show the extensions - m_progressText->hide(); - m_progressBar->hide(); - assureVisibleText(); - } + m_spaceInfo->setUrl(url); } -void DolphinStatusBar::updateSpaceInfoContent(const KUrl& url) +QUrl DolphinStatusBar::url() const { - m_spaceInfo->setUrl(url); - assureVisibleText(); + return m_spaceInfo->url(); } void DolphinStatusBar::setZoomLevel(int zoomLevel) { - m_zoomOut->setEnabled(zoomLevel > m_zoomSlider->minimum()); - m_zoomIn->setEnabled(zoomLevel < m_zoomSlider->maximum()); - m_view->setZoomLevel(zoomLevel); - updateZoomSliderToolTip(zoomLevel); + if (zoomLevel != m_zoomSlider->value()) { + m_zoomSlider->setValue(zoomLevel); + } } -void DolphinStatusBar::assureVisibleText() +int DolphinStatusBar::zoomLevel() const { - const int widthGap = m_messageLabel->widthGap(); - if (m_spaceInfo->isVisible() || m_zoomWidget->isVisible()) { - // At least the space information or the zoom slider is shown. - // Hide them if the status bar text does not fit into the available width. - setExtensionsVisible(widthGap <= 0); - } else if (!m_progressBar->isVisible()) { - const GeneralSettings* settings = DolphinSettings::instance().generalSettings(); - const int spaceInfoWidth = settings->showSpaceInfo() ? m_spaceInfo->minimumWidth() : 0; - const int zoomWidgetWidth = settings->showZoomSlider() ? m_zoomWidget->minimumWidth() : 0; - const int widgetsWidth = spaceInfoWidth + zoomWidgetWidth; - setExtensionsVisible(widthGap + widgetsWidth <= 0); - } + return m_zoomSlider->value(); } -void DolphinStatusBar::zoomOut() +void DolphinStatusBar::readSettings() { - const int value = m_zoomSlider->value(); - m_zoomSlider->setValue(value - 1); + setExtensionsVisible(true); } -void DolphinStatusBar::zoomIn() +void DolphinStatusBar::contextMenuEvent(QContextMenuEvent* event) { - const int value = m_zoomSlider->value(); - m_zoomSlider->setValue(value + 1); + Q_UNUSED(event); + + QMenu menu(this); + + QAction* showZoomSliderAction = menu.addAction(i18nc("@action:inmenu", "Show Zoom Slider")); + showZoomSliderAction->setCheckable(true); + showZoomSliderAction->setChecked(GeneralSettings::showZoomSlider()); + + QAction* showSpaceInfoAction = menu.addAction(i18nc("@action:inmenu", "Show Space Information")); + showSpaceInfoAction->setCheckable(true); + showSpaceInfoAction->setChecked(GeneralSettings::showSpaceInfo()); + + const QAction* action = menu.exec(QCursor::pos()); + if (action == showZoomSliderAction) { + const bool visible = showZoomSliderAction->isChecked(); + GeneralSettings::setShowZoomSlider(visible); + m_zoomSlider->setVisible(visible); + } else if (action == showSpaceInfoAction) { + const bool visible = showSpaceInfoAction->isChecked(); + GeneralSettings::setShowSpaceInfo(visible); + m_spaceInfo->setVisible(visible); + } } void DolphinStatusBar::showZoomSliderToolTip(int zoomLevel) @@ -322,18 +290,33 @@ void DolphinStatusBar::showZoomSliderToolTip(int zoomLevel) QApplication::sendEvent(m_zoomSlider, &toolTipEvent); } -void DolphinStatusBar::setExtensionsVisible(bool visible) +void DolphinStatusBar::updateProgressInfo() { - bool spaceInfoVisible = visible; - bool zoomSliderVisible = visible; - if (visible) { - const GeneralSettings* settings = DolphinSettings::instance().generalSettings(); - spaceInfoVisible = settings->showSpaceInfo(); - zoomSliderVisible = settings->showZoomSlider(); + if (m_progress < 100) { + // Show the progress information and hide the extensions + m_stopButton->show(); + m_progressTextLabel->show(); + m_progressBar->show(); + setExtensionsVisible(false); + } else { + // Hide the progress information and show the extensions + m_stopButton->hide(); + m_progressTextLabel->hide(); + m_progressBar->hide(); + setExtensionsVisible(true); } +} + +void DolphinStatusBar::updateLabelText() +{ + const QString text = m_text.isEmpty() ? m_defaultText : m_text; + m_label->setText(text); +} - m_spaceInfo->setVisible(spaceInfoVisible); - m_zoomWidget->setVisible(zoomSliderVisible); +void DolphinStatusBar::slotResetToDefaultText() +{ + m_text.clear(); + updateLabelText(); } void DolphinStatusBar::updateZoomSliderToolTip(int zoomLevel) @@ -342,4 +325,15 @@ void DolphinStatusBar::updateZoomSliderToolTip(int zoomLevel) m_zoomSlider->setToolTip(i18ncp("@info:tooltip", "Size: 1 pixel", "Size: %1 pixels", size)); } -#include "dolphinstatusbar.moc" +void DolphinStatusBar::setExtensionsVisible(bool visible) +{ + bool showSpaceInfo = visible; + bool showZoomSlider = visible; + if (visible) { + showSpaceInfo = GeneralSettings::showSpaceInfo(); + showZoomSlider = GeneralSettings::showZoomSlider(); + } + m_spaceInfo->setVisible(showSpaceInfo); + m_zoomSlider->setVisible(showZoomSlider); +} +