// Copyright (c) 2011-2015 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. #ifndef BITCOIN_QT_GUIUTIL_H #define BITCOIN_QT_GUIUTIL_H #include "amount.h" #include #include #include #include #include #include #include #include #include class QValidatedLineEdit; class SendCoinsRecipient; QT_BEGIN_NAMESPACE class QAbstractItemView; class QDateTime; class QFont; class QLineEdit; class QUrl; class QWidget; QT_END_NAMESPACE /** Utility functions used by the Bitcoin Qt UI. */ namespace GUIUtil { // Create human-readable string from date QString dateTimeStr(const QDateTime &datetime); QString dateTimeStr(qint64 nTime); // Return a monospace font QFont fixedPitchFont(); // Set up widgets for address and amounts void setupAddressWidget(QValidatedLineEdit *widget, QWidget *parent); void setupAmountWidget(QLineEdit *widget, QWidget *parent); // Parse "bitcoin:" URI into recipient object, return true on successful parsing bool parseBitcoinURI(const QUrl &uri, SendCoinsRecipient *out); bool parseBitcoinURI(QString uri, SendCoinsRecipient *out); QString formatBitcoinURI(const SendCoinsRecipient &info); // Returns true if given address+amount meets "dust" definition bool isDust(const QString& address, const CAmount& amount); // HTML escaping for rich text controls QString HtmlEscape(const QString& str, bool fMultiLine=false); QString HtmlEscape(const std::string& str, bool fMultiLine=false); /** Copy a field of the currently selected entry of a view to the clipboard. Does nothing if nothing is selected. @param[in] column Data column to extract from the model @param[in] role Data role to extract from the model @see TransactionView::copyLabel, TransactionView::copyAmount, TransactionView::copyAddress */ void copyEntryData(QAbstractItemView *view, int column, int role=Qt::EditRole); /** Return a field of the currently selected entry as a QString. Does nothing if nothing is selected. @param[in] column Data column to extract from the model @see TransactionView::copyLabel, TransactionView::copyAmount, TransactionView::copyAddress */ QList getEntryData(QAbstractItemView *view, int column); void setClipboard(const QString& str); /** Get save filename, mimics QFileDialog::getSaveFileName, except that it appends a default suffix when no suffix is provided by the user. @param[in] parent Parent window (or 0) @param[in] caption Window caption (or empty, for default) @param[in] dir Starting directory (or empty, to default to documents directory) @param[in] filter Filter specification such as "Comma Separated Files (*.csv)" @param[out] selectedSuffixOut Pointer to return the suffix (file type) that was selected (or 0). Can be useful when choosing the save file format based on suffix. */ QString getSaveFileName(QWidget *parent, const QString &caption, const QString &dir, const QString &filter, QString *selectedSuffixOut); /** Get open filename, convenience wrapper for QFileDialog::getOpenFileName. @param[in] parent Parent window (or 0) @param[in] caption Window caption (or empty, for default) @param[in] dir Starting directory (or empty, to default to documents directory) @param[in] filter Filter specification such as "Comma Separated Files (*.csv)" @param[out] selectedSuffixOut Pointer to return the suffix (file type) that was selected (or 0). Can be useful when choosing the save file format based on suffix. */ QString getOpenFileName(QWidget *parent, const QString &caption, const QString &dir, const QString &filter, QString *selectedSuffixOut); /** Get connection type to call object slot in GUI thread with invokeMethod. The call will be blocking. @returns If called from the GUI thread, return a Qt::DirectConnection. If called from another thread, return a Qt::BlockingQueuedConnection. */ Qt::ConnectionType blockingGUIThreadConnection(); // Determine whether a widget is hidden behind other windows bool isObscured(QWidget *w); // Open debug.log void openDebugLogfile(); // Replace invalid default fonts with known good ones void SubstituteFonts(const QString& language); /** Qt event filter that intercepts ToolTipChange events, and replaces the tooltip with a rich text representation if needed. This assures that Qt can word-wrap long tooltip messages. Tooltips longer than the provided size threshold (in characters) are wrapped. */ class ToolTipToRichTextFilter : public QObject { Q_OBJECT public: explicit ToolTipToRichTextFilter(int size_threshold, QObject *parent = 0); protected: bool eventFilter(QObject *obj, QEvent *evt); private: int size_threshold; }; /** * Makes a QTableView last column feel as if it was being resized from its left border. * Also makes sure the column widths are never larger than the table's viewport. * In Qt, all columns are resizable from the right, but it's not intuitive resizing the last column from the right. * Usually our second to last columns behave as if stretched, and when on strech mode, columns aren't resizable * interactively or programatically. * * This helper object takes care of this issue. * */ class TableViewLastColumnResizingFixer: public QObject { Q_OBJECT public: TableViewLastColumnResizingFixer(QTableView* table, int lastColMinimumWidth, int allColsMinimumWidth, QObject *parent); void stretchColumnWidth(int column); private: QTableView* tableView; int lastColumnMinimumWidth; int allColumnsMinimumWidth; int lastColumnIndex; int columnCount; int secondToLastColumnIndex; void adjustTableColumnsWidth(); int getAvailableWidthForColumn(int column); int getColumnsWidth(); void connectViewHeadersSignals(); void disconnectViewHeadersSignals(); void setViewHeaderResizeMode(int logicalIndex, QHeaderView::ResizeMode resizeMode); void resizeColumn(int nColumnIndex, int width); private Q_SLOTS: void on_sectionResized(int logicalIndex, int oldSize, int newSize); void on_geometriesChanged(); }; bool GetStartOnSystemStartup(); bool SetStartOnSystemStartup(bool fAutoStart); /** Save window size and position */ void saveWindowGeometry(const QString& strSetting, QWidget *parent); /** Restore window size and position */ void restoreWindowGeometry(const QString& strSetting, const QSize &defaultSizeIn, QWidget *parent); /* Convert QString to OS specific boost path through UTF-8 */ boost::filesystem::path qstringToBoostPath(const QString &path); /* Convert OS specific boost path to QString through UTF-8 */ QString boostPathToQString(const boost::filesystem::path &path); /* Convert seconds into a QString with days, hours, mins, secs */ QString formatDurationStr(int secs); /* Format CNodeStats.nServices bitmask into a user-readable string */ QString formatServicesStr(quint64 mask); /* Format a CNodeCombinedStats.dPingTime into a user-readable string or display N/A, if 0*/ QString formatPingTime(double dPingTime); /* Format a CNodeCombinedStats.nTimeOffset into a user-readable string. */ QString formatTimeOffset(int64_t nTimeOffset); QString formateNiceTimeOffset(qint64 secs); #if defined(Q_OS_MAC) && QT_VERSION >= 0x050000 // workaround for Qt OSX Bug: // https://bugreports.qt-project.org/browse/QTBUG-15631 // QProgressBar uses around 10% CPU even when app is in background class ProgressBar : public QProgressBar { bool event(QEvent *e) { return (e->type() != QEvent::StyleAnimationUpdate) ? QProgressBar::event(e) : false; } }; #else typedef QProgressBar ProgressBar; #endif class ClickableLabel : public QLabel { Q_OBJECT Q_SIGNALS: /** Emitted when the label is clicked. The relative mouse coordinates of the click are * passed to the signal. */ void clicked(const QPoint& point); protected: void mousePressEvent(QMouseEvent *event); }; } // namespace GUIUtil #endif // BITCOIN_QT_GUIUTIL_H