Re-submitting this pull request with a single commit. This patch introduces a GUIUtil class that is used when setting up the 2 tables we have so far on the Qt-GUI. In the past you could only resize the last column, which has BTC amounts from the right border of the column header, something that was rather unnatural. If a new table were ever to be added to the interface, fixing the last columns resizing behavior is rather simple. Just look at how we initialize here a TableViewLastColumnResizingFixer object when setting up the table header's behavior, and then how we override the resize event of the component (can be the table, or the dialog) and we invoke columnResizingFixer->stretchColumnWidth(columnIndex);
170 lines
6.4 KiB
C++
170 lines
6.4 KiB
C++
// Copyright (c) 2011-2013 The Bitcoin developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef GUIUTIL_H
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#define GUIUTIL_H
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#include <QMessageBox>
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#include <QObject>
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#include <QString>
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#include <QTableView>
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#include <QHeaderView>
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class QValidatedLineEdit;
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class SendCoinsRecipient;
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QT_BEGIN_NAMESPACE
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class QAbstractItemView;
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class QDateTime;
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class QFont;
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class QLineEdit;
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class QUrl;
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class QWidget;
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QT_END_NAMESPACE
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/** Utility functions used by the Bitcoin Qt UI.
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*/
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namespace GUIUtil
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{
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// Create human-readable string from date
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QString dateTimeStr(const QDateTime &datetime);
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QString dateTimeStr(qint64 nTime);
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// Render Bitcoin addresses in monospace font
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QFont bitcoinAddressFont();
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// Set up widgets for address and amounts
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void setupAddressWidget(QValidatedLineEdit *widget, QWidget *parent);
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void setupAmountWidget(QLineEdit *widget, QWidget *parent);
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// Parse "bitcoin:" URI into recipient object, return true on successful parsing
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bool parseBitcoinURI(const QUrl &uri, SendCoinsRecipient *out);
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bool parseBitcoinURI(QString uri, SendCoinsRecipient *out);
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QString formatBitcoinURI(const SendCoinsRecipient &info);
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// Returns true if given address+amount meets "dust" definition
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bool isDust(const QString& address, qint64 amount);
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// HTML escaping for rich text controls
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QString HtmlEscape(const QString& str, bool fMultiLine=false);
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QString HtmlEscape(const std::string& str, bool fMultiLine=false);
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/** Copy a field of the currently selected entry of a view to the clipboard. Does nothing if nothing
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is selected.
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@param[in] column Data column to extract from the model
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@param[in] role Data role to extract from the model
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@see TransactionView::copyLabel, TransactionView::copyAmount, TransactionView::copyAddress
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*/
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void copyEntryData(QAbstractItemView *view, int column, int role=Qt::EditRole);
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void setClipboard(const QString& str);
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/** Get save filename, mimics QFileDialog::getSaveFileName, except that it appends a default suffix
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when no suffix is provided by the user.
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@param[in] parent Parent window (or 0)
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@param[in] caption Window caption (or empty, for default)
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@param[in] dir Starting directory (or empty, to default to documents directory)
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@param[in] filter Filter specification such as "Comma Separated Files (*.csv)"
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@param[out] selectedSuffixOut Pointer to return the suffix (file type) that was selected (or 0).
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Can be useful when choosing the save file format based on suffix.
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*/
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QString getSaveFileName(QWidget *parent, const QString &caption, const QString &dir,
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const QString &filter,
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QString *selectedSuffixOut);
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/** Get open filename, convenience wrapper for QFileDialog::getOpenFileName.
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@param[in] parent Parent window (or 0)
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@param[in] caption Window caption (or empty, for default)
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@param[in] dir Starting directory (or empty, to default to documents directory)
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@param[in] filter Filter specification such as "Comma Separated Files (*.csv)"
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@param[out] selectedSuffixOut Pointer to return the suffix (file type) that was selected (or 0).
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Can be useful when choosing the save file format based on suffix.
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*/
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QString getOpenFileName(QWidget *parent, const QString &caption, const QString &dir,
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const QString &filter,
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QString *selectedSuffixOut);
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/** Get connection type to call object slot in GUI thread with invokeMethod. The call will be blocking.
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@returns If called from the GUI thread, return a Qt::DirectConnection.
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If called from another thread, return a Qt::BlockingQueuedConnection.
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*/
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Qt::ConnectionType blockingGUIThreadConnection();
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// Determine whether a widget is hidden behind other windows
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bool isObscured(QWidget *w);
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// Open debug.log
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void openDebugLogfile();
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/** Qt event filter that intercepts ToolTipChange events, and replaces the tooltip with a rich text
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representation if needed. This assures that Qt can word-wrap long tooltip messages.
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Tooltips longer than the provided size threshold (in characters) are wrapped.
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*/
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class ToolTipToRichTextFilter : public QObject
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{
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Q_OBJECT
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public:
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explicit ToolTipToRichTextFilter(int size_threshold, QObject *parent = 0);
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protected:
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bool eventFilter(QObject *obj, QEvent *evt);
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private:
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int size_threshold;
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};
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/**
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* Makes a QTableView last column feel as if it was being resized from its left border.
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* Also makes sure the column widths are never larger than the table's viewport.
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* In Qt, all columns are resizable from the right, but it's not intuitive resizing the last column from the right.
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* Usually our second to last columns behave as if stretched, and when on strech mode, columns aren't resizable
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* interactively or programatically.
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*
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* This helper object takes care of this issue.
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*
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*/
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class TableViewLastColumnResizingFixer: public QObject
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{
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Q_OBJECT
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public:
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TableViewLastColumnResizingFixer(QTableView* table, int lastColMinimumWidth, int allColsMinimumWidth);
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void stretchColumnWidth(int column);
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private:
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QTableView* tableView;
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int lastColumnMinimumWidth;
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int allColumnsMinimumWidth;
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int lastColumnIndex;
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int columnCount;
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int secondToLastColumnIndex;
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void adjustTableColumnsWidth();
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int getAvailableWidthForColumn(int column);
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int getColumnsWidth();
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void connectViewHeadersSignals();
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void disconnectViewHeadersSignals();
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void setViewHeaderResizeMode(int logicalIndex, QHeaderView::ResizeMode resizeMode);
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void resizeColumn(int nColumnIndex, int width);
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private slots:
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void on_sectionResized(int logicalIndex, int oldSize, int newSize);
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void on_geometriesChanged();
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};
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bool GetStartOnSystemStartup();
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bool SetStartOnSystemStartup(bool fAutoStart);
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/** Save window size and position */
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void saveWindowGeometry(const QString& strSetting, QWidget *parent);
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/** Restore window size and position */
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void restoreWindowGeometry(const QString& strSetting, const QSize &defaultSizeIn, QWidget *parent);
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} // namespace GUIUtil
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#endif // GUIUTIL_H
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