ifdef QFontMetrics::horizontalAdvance to make it work with older Qt

src/core/mainwindow.cpp

@@ -713,7 +713,11 @@ MainWindow::MainWindow(Application *app, SystemTrayIcon *tray_icon, OSD *osd, co
   connect(ui_->analyzer, SIGNAL(WheelEvent(int)), SLOT(VolumeWheelEvent(int)));
 
   // Statusbar widgets
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
   ui_->playlist_summary->setMinimumWidth(QFontMetrics(font()).horizontalAdvance("WW selected of WW tracks - [ WW:WW ]"));
+#else
+  ui_->playlist_summary->setMinimumWidth(QFontMetrics(font()).width("WW selected of WW tracks - [ WW:WW ]"));
+#endif
   ui_->status_bar_stack->setCurrentWidget(ui_->playlist_summary_page);
   connect(ui_->multi_loading_indicator, SIGNAL(TaskCountChange(int)), SLOT(TaskCountChanged(int)));
 

src/covermanager/albumcoversearcher.cpp

@@ -86,7 +86,11 @@ void SizeOverlayDelegate::paint(QPainter *painter, const QStyleOptionViewItem &o
 
   const QFontMetrics metrics(font);
 
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
   const int text_width = metrics.horizontalAdvance(text);
+#else
+  const int text_width = metrics.width(text);
+#endif
 
   const QRect icon_rect(option.rect.left(), option.rect.top(), option.rect.width(), option.rect.width());
 

src/equalizer/equalizerslider.cpp

@@ -36,7 +36,11 @@ EqualizerSlider::EqualizerSlider(const QString &label, QWidget *parent)
   ui_->band->setText(label);
 
   QFontMetrics fm = ui_->gain->fontMetrics();
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
   int longestLabelWidth = fm.horizontalAdvance(tr("%1 dB").arg(-99.99));
+#else
+  int longestLabelWidth = fm.width(tr("%1 dB").arg(-99.99));
+#endif
   ui_->gain->setMinimumWidth(longestLabelWidth);
   ui_->gain->setText(tr("%1 dB").arg(0));  // Gain [dB]
 

src/playlist/playlistdelegates.cpp

@@ -117,7 +117,13 @@ void QueuedItemDelegate::DrawBox(QPainter *painter, const QRect &line_rect, cons
   smaller.setPointSize(smaller.pointSize() - 1);
   smaller.setBold(true);
 
-  if (width == -1) width = QFontMetrics(font).horizontalAdvance(text + "  ");
+  if (width == -1) {
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
+    width = QFontMetrics(font).horizontalAdvance(text + "  ");
+#else
+    width = QFontMetrics(font).width(text + "  ");
+#endif
+  }
 
   QRect rect(line_rect);
   rect.setLeft(rect.right() - width - kQueueBoxBorder);

src/playlist/playlistview.cpp

@@ -100,7 +100,11 @@ void PlaylistProxyStyle::drawControl(ControlElement element, const QStyleOption
     const QFontMetrics &font_metrics = header_option->fontMetrics;
 
     // Spaces added to make transition less abrupt
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
     if (rect.width() < font_metrics.horizontalAdvance(text + "  ")) {
+#else
+    if (rect.width() < font_metrics.width(text + "  ")) {
+#endif
       const Playlist::Column column = static_cast<Playlist::Column>(header_option->section);
       QStyleOptionHeader new_option(*header_option);
       new_option.text = Playlist::abbreviated_column_name(column);

src/settings/backendsettingspage.cpp

@@ -58,8 +58,13 @@ BackendSettingsPage::BackendSettingsPage(SettingsDialog *dialog) : SettingsPage(
   ui_->setupUi(this);
   setWindowIcon(IconLoader::Load("soundcard"));
 
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
   ui_->label_bufferminfillvalue->setMinimumWidth(QFontMetrics(ui_->label_bufferminfillvalue->font()).horizontalAdvance("WW%"));
   ui_->label_replaygainpreamp->setMinimumWidth(QFontMetrics(ui_->label_replaygainpreamp->font()).horizontalAdvance("-WW.W dB"));
+#else
+  ui_->label_bufferminfillvalue->setMinimumWidth(QFontMetrics(ui_->label_bufferminfillvalue->font()).width("WW%"));
+  ui_->label_replaygainpreamp->setMinimumWidth(QFontMetrics(ui_->label_replaygainpreamp->font()).width("-WW.W dB"));
+#endif
   RgPreampChanged(ui_->stickslider_replaygainpreamp->value());
 
   s_.beginGroup(BackendSettingsPage::kSettingsGroup);

src/widgets/freespacebar.cpp

@@ -201,7 +201,11 @@ void FreeSpaceBar::DrawText(QPainter* p, const QRect &r) {
 
   int text_width = 0;
   for (const Label &label : labels) {
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
     text_width += kLabelBoxSize + kLabelBoxPadding + kLabelSpacing + small_metrics.horizontalAdvance(label.text);
+#else
+    text_width += kLabelBoxSize + kLabelBoxPadding + kLabelSpacing + small_metrics.width(label.text);
+#endif
   }
 
   // Draw the text
@@ -216,11 +220,18 @@ void FreeSpaceBar::DrawText(QPainter* p, const QRect &r) {
     p->setBrush(label.color);
     p->drawRect(box);
 
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
     QRect text(x + kLabelBoxSize + kLabelBoxPadding, r.top(), small_metrics.horizontalAdvance(label.text), r.height());
+#else
+    QRect text(x + kLabelBoxSize + kLabelBoxPadding, r.top(), small_metrics.width(label.text), r.height());
+#endif
     p->setPen(light ? label.color.darker() : label.color);
     p->drawText(text, Qt::AlignCenter, label.text);
-
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
     x += kLabelBoxSize + kLabelBoxPadding + kLabelSpacing + small_metrics.horizontalAdvance(label.text);
+#else
+    x += kLabelBoxSize + kLabelBoxPadding + kLabelSpacing + small_metrics.width(label.text);
+#endif
   }
 
 }

src/widgets/linetextedit.cpp

@@ -48,7 +48,11 @@ QSize LineTextEdit::sizeHint() const {
 
   static const int kMargin = 5;
   int h = 2 * kMargin + qMax(fm.height(), 14);
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
   int w = 2 * kMargin + fm.horizontalAdvance("W") * 15;
+#else
+  int w = 2 * kMargin + fm.width("W") * 15;
+#endif
 
   return QSize(w, h);
 }

src/widgets/multiloadingindicator.cpp

@@ -53,7 +53,11 @@ MultiLoadingIndicator::MultiLoadingIndicator(QWidget *parent)
 }
 
 QSize MultiLoadingIndicator::sizeHint() const {
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
   const int width = kHorizontalPadding * 2 + spinner_->sizeHint().width() + kSpacing + fontMetrics().horizontalAdvance(text_);
+#else
+  const int width = kHorizontalPadding * 2 + spinner_->sizeHint().width() + kSpacing + fontMetrics().width(text_);
+#endif
   const int height = kVerticalPadding * 2 + qMax(spinner_->sizeHint().height(), fontMetrics().height());
 
   return QSize(width, height);

src/widgets/tracksliderpopup.cpp

@@ -87,7 +87,11 @@ void TrackSliderPopup::paintEvent(QPaintEvent*) {
 
 void TrackSliderPopup::UpdatePixmap() {
 
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 11, 0))
   const int text_width = qMax(font_metrics_.horizontalAdvance(text_), small_font_metrics_.horizontalAdvance(small_text_));
+#else
+  const int text_width = qMax(font_metrics_.width(text_), small_font_metrics_.width(small_text_));
+#endif
   const QRect text_rect1(kBlurRadius + kTextMargin, kBlurRadius + kTextMargin, text_width + 2, font_metrics_.height());
   const QRect text_rect2(kBlurRadius + kTextMargin, text_rect1.bottom(), text_width, small_font_metrics_.height());