Allow Qt to wrap long tooltips (fixes #1063)

Implemented without having to touch any translation: by listening for QEvent::ToolTipChange events, then rewriting the tooltips to prefix `<qt/>` if it is not yet rich text.

1 files changed, 6 insertions, 3 deletions

diff --git a/src/qt/bitcoingui.cpp b/src/qt/bitcoingui.cpp
index bcf90917ed..db0ddf453f 100644
--- a/src/qt/bitcoingui.cpp
+++ b/src/qt/bitcoingui.cpp
@@ -551,22 +551,25 @@ void BitcoinGUI::setNumBlocks(int count)
     // Set icon state: spinning if catching up, tick otherwise
     if(secs < 90*60 && count >= nTotalBlocks)
     {
-        tooltip = tr("Up to date") + QString(".\n") + tooltip;
+        tooltip = tr("Up to date") + QString(".<br>") + tooltip;
         labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(STATUSBAR_ICONSIZE, STATUSBAR_ICONSIZE));
     }
     else
     {
-        tooltip = tr("Catching up...") + QString("\n") + tooltip;
+        tooltip = tr("Catching up...") + QString("<br>") + tooltip;
         labelBlocksIcon->setMovie(syncIconMovie);
         syncIconMovie->start();
     }
 
     if(!text.isEmpty())
     {
-        tooltip += QString("\n");
+        tooltip += QString("<br>");
         tooltip += tr("Last received block was generated %1.").arg(text);
     }
 
+    // Don't word-wrap this (fixed-width) tooltip
+    tooltip = QString("<nobr>") + tooltip + QString("</nobr>");
+
     labelBlocksIcon->setToolTip(tooltip);
     progressBarLabel->setToolTip(tooltip);
     progressBar->setToolTip(tooltip);