src/qt/guiutil.cpp

   1 #include "guiutil.h"
   2 #include "bitcoinaddressvalidator.h"
   3 #include "walletmodel.h"
   4 #include "bitcoinunits.h"
   5
   6 #include "headers.h"
   7
   8 #include <QString>
   9 #include <QDateTime>
  10 #include <QDoubleValidator>
  11 #include <QFont>
  12 #include <QLineEdit>
  13 #include <QUrl>
  14 #include <QTextDocument> // For Qt::escape
  15 #include <QAbstractItemView>
  16 #include <QApplication>
  17 #include <QClipboard>
  18 #include <QFileDialog>
  19 #include <QDesktopServices>
  20
  21 QString GUIUtil::dateTimeStr(qint64 nTime)
  22 {
  23     return dateTimeStr(QDateTime::fromTime_t((qint32)nTime));
  24 }
  25
  26 QString GUIUtil::dateTimeStr(const QDateTime &date)
  27 {
  28     return date.date().toString(Qt::SystemLocaleShortDate) + QString(" ") + date.toString("hh:mm");
  29 }
  30
  31 QFont GUIUtil::bitcoinAddressFont()
  32 {
  33     QFont font("Monospace");
  34     font.setStyleHint(QFont::TypeWriter);
  35     return font;
  36 }
  37
  38 void GUIUtil::setupAddressWidget(QLineEdit *widget, QWidget *parent)
  39 {
  40     widget->setMaxLength(BitcoinAddressValidator::MaxAddressLength);
  41     widget->setValidator(new BitcoinAddressValidator(parent));
  42     widget->setFont(bitcoinAddressFont());
  43 }
  44
  45 void GUIUtil::setupAmountWidget(QLineEdit *widget, QWidget *parent)
  46 {
  47     QDoubleValidator *amountValidator = new QDoubleValidator(parent);
  48     amountValidator->setDecimals(8);
  49     amountValidator->setBottom(0.0);
  50     widget->setValidator(amountValidator);
  51     widget->setAlignment(Qt::AlignRight|Qt::AlignVCenter);
  52 }
  53
  54 bool GUIUtil::parseBitcoinURL(const QUrl *url, SendCoinsRecipient *out)
  55 {
  56     if(url->scheme() != QString("bitcoin"))
  57         return false;
  58
  59     SendCoinsRecipient rv;
  60     rv.address = url->path();
  61     rv.amount = 0;
  62     QList<QPair<QString, QString> > items = url->queryItems();
  63     for (QList<QPair<QString, QString> >::iterator i = items.begin(); i != items.end(); i++)
  64     {
  65         bool fShouldReturnFalse = false;
  66         if (i->first.startsWith("req-"))
  67         {
  68             i->first.remove(0, 4);
  69             fShouldReturnFalse = true;
  70         }
  71
  72         if (i->first == "label")
  73         {
  74             rv.label = i->second;
  75             fShouldReturnFalse = false;
  76         }
  77         else if (i->first == "amount")
  78         {
  79             if(!i->second.isEmpty())
  80             {
  81                 if(!BitcoinUnits::parse(BitcoinUnits::BTC, i->second, &rv.amount))
  82                 {
  83                     return false;
  84                 }
  85             }
  86             fShouldReturnFalse = false;
  87         }
  88
  89         if (fShouldReturnFalse)
  90             return false;
  91     }
  92     if(out)
  93     {
  94         *out = rv;
  95     }
  96     return true;
  97 }
  98
  99 QString GUIUtil::HtmlEscape(const QString& str, bool fMultiLine)
 100 {
 101     QString escaped = Qt::escape(str);
 102     if(fMultiLine)
 103     {
 104         escaped = escaped.replace("\n", "<br>\n");
 105     }
 106     return escaped;
 107 }
 108
 109 QString GUIUtil::HtmlEscape(const std::string& str, bool fMultiLine)
 110 {
 111     return HtmlEscape(QString::fromStdString(str), fMultiLine);
 112 }
 113
 114 void GUIUtil::copyEntryData(QAbstractItemView *view, int column, int role)
 115 {
 116     if(!view || !view->selectionModel())
 117         return;
 118     QModelIndexList selection = view->selectionModel()->selectedRows(column);
 119
 120     if(!selection.isEmpty())
 121     {
 122         // Copy first item
 123         QApplication::clipboard()->setText(selection.at(0).data(role).toString());
 124     }
 125 }
 126
 127 QString GUIUtil::getSaveFileName(QWidget *parent, const QString &caption,
 128                                  const QString &dir,
 129                                  const QString &filter,
 130                                  QString *selectedSuffixOut)
 131 {
 132     QString selectedFilter;
 133     QString myDir;
 134     if(dir.isEmpty()) // Default to user documents location
 135     {
 136         myDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
 137     }
 138     else
 139     {
 140         myDir = dir;
 141     }
 142     QString result = QFileDialog::getSaveFileName(parent, caption, myDir, filter, &selectedFilter);
 143
 144     /* Extract first suffix from filter pattern "Description (*.foo)" or "Description (*.foo *.bar ...) */
 145     QRegExp filter_re(".* \\(\\*\\.(.*)[ \\)]");
 146     QString selectedSuffix;
 147     if(filter_re.exactMatch(selectedFilter))
 148     {
 149         selectedSuffix = filter_re.cap(1);
 150     }
 151
 152     /* Add suffix if needed */
 153     QFileInfo info(result);
 154     if(!result.isEmpty())
 155     {
 156         if(info.suffix().isEmpty() && !selectedSuffix.isEmpty())
 157         {
 158             /* No suffix specified, add selected suffix */
 159             if(!result.endsWith("."))
 160                 result.append(".");
 161             result.append(selectedSuffix);
 162         }
 163     }
 164
 165     /* Return selected suffix if asked to */
 166     if(selectedSuffixOut)
 167     {
 168         *selectedSuffixOut = selectedSuffix;
 169     }
 170     return result;
 171 }
 172