gui: Remove QT_VERSION fallbacks for Qt < 5

There were surprisingly many `#ifdef` fallbacks for Qt 4.

Remiving them simplifies maintenance, as well as adding new GUI
functionality.

1 files changed, 1 insertions, 31 deletions

diff --git a/src/qt/guiutil.cpp b/src/qt/guiutil.cpp
index 563f930dec..acd9f7b35c 100644
--- a/src/qt/guiutil.cpp
+++ b/src/qt/guiutil.cpp
@@ -53,13 +53,9 @@
 #include <QSettings>
 #include <QTextDocument> // for Qt::mightBeRichText
 #include <QThread>
+#include <QUrlQuery>
 #include <QMouseEvent>
 
-#if QT_VERSION < 0x050000
-#include <QUrl>
-#else
-#include <QUrlQuery>
-#endif
 
 #if QT_VERSION >= 0x50200
 #include <QFontDatabase>
@@ -95,11 +91,7 @@ QFont fixedPitchFont()
     return QFontDatabase::systemFont(QFontDatabase::FixedFont);
 #else
     QFont font("Monospace");
-#if QT_VERSION >= 0x040800
     font.setStyleHint(QFont::Monospace);
-#else
-    font.setStyleHint(QFont::TypeWriter);
-#endif
     return font;
 #endif
 }
@@ -127,12 +119,10 @@ void setupAddressWidget(QValidatedLineEdit *widget, QWidget *parent)
     parent->setFocusProxy(widget);
 
     widget->setFont(fixedPitchFont());
-#if QT_VERSION >= 0x040700
     // We don't want translators to use own addresses in translations
     // and this is the only place, where this address is supplied.
     widget->setPlaceholderText(QObject::tr("Enter a Bitcoin address (e.g. %1)").arg(
         QString::fromStdString(DummyAddress(Params()))));
-#endif
     widget->setValidator(new BitcoinAddressEntryValidator(parent));
     widget->setCheckValidator(new BitcoinAddressCheckValidator(parent));
 }
@@ -151,12 +141,8 @@ bool parseBitcoinURI(const QUrl &uri, SendCoinsRecipient *out)
     }
     rv.amount = 0;
 
-#if QT_VERSION < 0x050000
-    QList<QPair<QString, QString> > items = uri.queryItems();
-#else
     QUrlQuery uriQuery(uri);
     QList<QPair<QString, QString> > items = uriQuery.queryItems();
-#endif
     for (QList<QPair<QString, QString> >::iterator i = items.begin(); i != items.end(); i++)
     {
         bool fShouldReturnFalse = false;
@@ -242,11 +228,7 @@ bool isDust(interfaces::Node& node, const QString& address, const CAmount& amoun
 
 QString HtmlEscape(const QString& str, bool fMultiLine)
 {
-#if QT_VERSION < 0x050000
-    QString escaped = Qt::escape(str);
-#else
     QString escaped = str.toHtmlEscaped();
-#endif
     if(fMultiLine)
     {
         escaped = escaped.replace("\n", "<br>\n");
@@ -287,11 +269,7 @@ QString getSaveFileName(QWidget *parent, const QString &caption, const QString &
     QString myDir;
     if(dir.isEmpty()) // Default to user documents location
     {
-#if QT_VERSION < 0x050000
-        myDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
-#else
         myDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
-#endif
     }
     else
     {
@@ -337,11 +315,7 @@ QString getOpenFileName(QWidget *parent, const QString &caption, const QString &
     QString myDir;
     if(dir.isEmpty()) // Default to user documents location
     {
-#if QT_VERSION < 0x050000
-        myDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
-#else
         myDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
-#endif
     }
     else
     {
@@ -495,11 +469,7 @@ void TableViewLastColumnResizingFixer::disconnectViewHeadersSignals()
 // Refactored here for readability.
 void TableViewLastColumnResizingFixer::setViewHeaderResizeMode(int logicalIndex, QHeaderView::ResizeMode resizeMode)
 {
-#if QT_VERSION < 0x050000
-    tableView->horizontalHeader()->setResizeMode(logicalIndex, resizeMode);
-#else
     tableView->horizontalHeader()->setSectionResizeMode(logicalIndex, resizeMode);
-#endif
 }
 
 void TableViewLastColumnResizingFixer::resizeColumn(int nColumnIndex, int width)