diff options
| -rw-r--r-- | src/statusbarspaceinfo.cpp | 28 | ||||
| -rw-r--r-- | src/statusbarspaceinfo.h | 7 |
2 files changed, 30 insertions, 5 deletions
diff --git a/src/statusbarspaceinfo.cpp b/src/statusbarspaceinfo.cpp index a311902f7..ba37a82a5 100644 --- a/src/statusbarspaceinfo.cpp +++ b/src/statusbarspaceinfo.cpp @@ -30,16 +30,16 @@ StatusBarSpaceInfo::StatusBarSpaceInfo(QWidget* parent) : KCapacityBar(KCapacityBar::DrawTextInline, parent), - m_kBSize(0) + m_kBSize(0), + m_timer(0) { setMaximumWidth(200); setMinimumWidth(200); // something to fix on kcapacitybar (ereslibre) - // Update the space information each 10 seconds. Polling is useful + // Use a timer to update the space information. Polling is useful // here, as files can be deleted/added outside the scope of Dolphin. - QTimer* timer = new QTimer(this); - connect(timer, SIGNAL(timeout()), this, SLOT(refresh())); - timer->start(10000); + m_timer = new QTimer(this); + connect(m_timer, SIGNAL(timeout()), this, SLOT(refresh())); } StatusBarSpaceInfo::~StatusBarSpaceInfo() @@ -52,8 +52,26 @@ void StatusBarSpaceInfo::setUrl(const KUrl& url) refresh(); } +void StatusBarSpaceInfo::showEvent(QShowEvent* event) +{ + KCapacityBar::showEvent(event); + if (!event->spontaneous()) { + m_timer->start(10000); + } +} + +void StatusBarSpaceInfo::hideEvent(QHideEvent* event) +{ + m_timer->stop(); + KCapacityBar::hideEvent(event); +} + void StatusBarSpaceInfo::refresh() { + if (!isVisible()) { + return; + } + // KDiskFreeSpace is for local paths only if (!m_url.isLocalFile()) { setText(i18nc("@info:status", "Unknown size")); diff --git a/src/statusbarspaceinfo.h b/src/statusbarspaceinfo.h index 839c74e1a..7a9fae36d 100644 --- a/src/statusbarspaceinfo.h +++ b/src/statusbarspaceinfo.h @@ -29,6 +29,8 @@ #include <kcapacitybar.h> class KDiskFreeSp; +class QHideEvent; +class QShowEvent; /** * @short Shows the available space for the volume represented @@ -45,6 +47,10 @@ public: void setUrl(const KUrl& url); const KUrl& url() const; +protected: + void showEvent(QShowEvent* event); + void hideEvent(QHideEvent* event); + private slots: /** Refreshes the space information for the current set URL. */ void refresh(); @@ -52,6 +58,7 @@ private slots: private: quint64 m_kBSize; KUrl m_url; + QTimer* m_timer; }; inline const KUrl& StatusBarSpaceInfo::url() const |