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-rw-r--r--src/qt/bitcoin.cpp4
-rw-r--r--src/qt/bitcoingui.cpp9
-rw-r--r--src/qt/guiconstants.h5
-rw-r--r--src/qt/guiutil.cpp24
-rw-r--r--src/qt/guiutil.h18
5 files changed, 57 insertions, 3 deletions
diff --git a/src/qt/bitcoin.cpp b/src/qt/bitcoin.cpp
index e752269ca1..d0a158a02c 100644
--- a/src/qt/bitcoin.cpp
+++ b/src/qt/bitcoin.cpp
@@ -6,6 +6,7 @@
#include "walletmodel.h"
#include "optionsmodel.h"
#include "guiutil.h"
+#include "guiconstants.h"
#include "init.h"
#include "ui_interface.h"
@@ -164,6 +165,9 @@ int main(int argc, char *argv[])
Q_INIT_RESOURCE(bitcoin);
QApplication app(argc, argv);
+ // Install global event filter that makes sure that long tooltips can be word-wrapped
+ app.installEventFilter(new GUIUtil::ToolTipToRichTextFilter(TOOLTIP_WRAP_THRESHOLD, &app));
+
// Command-line options take precedence:
ParseParameters(argc, argv);
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);
diff --git a/src/qt/guiconstants.h b/src/qt/guiconstants.h
index 0cb507501a..54e9d644fe 100644
--- a/src/qt/guiconstants.h
+++ b/src/qt/guiconstants.h
@@ -20,4 +20,9 @@ static const int STATUSBAR_ICONSIZE = 16;
/* Transaction list -- bare address (without label) */
#define COLOR_BAREADDRESS QColor(140, 140, 140)
+/* Tooltips longer than this (in characters) are converted into rich text,
+ so that they can be word-wrapped.
+ */
+static const int TOOLTIP_WRAP_THRESHOLD = 80;
+
#endif // GUICONSTANTS_H
diff --git a/src/qt/guiutil.cpp b/src/qt/guiutil.cpp
index f1e8a5f1bc..3b8f8c76f8 100644
--- a/src/qt/guiutil.cpp
+++ b/src/qt/guiutil.cpp
@@ -214,5 +214,29 @@ bool isObscured(QWidget *w)
&& checkPoint(QPoint(w->width()/2, w->height()/2), w));
}
+ToolTipToRichTextFilter::ToolTipToRichTextFilter(int size_threshold, QObject *parent):
+ size_threshold(size_threshold), QObject(parent)
+{
+
+}
+
+bool ToolTipToRichTextFilter::eventFilter(QObject *obj, QEvent *evt)
+{
+ if(evt->type() == QEvent::ToolTipChange)
+ {
+ QWidget *widget = static_cast<QWidget*>(obj);
+ QString tooltip = widget->toolTip();
+ if(!Qt::mightBeRichText(tooltip) && tooltip.size() > size_threshold)
+ {
+ // Prefix <qt/> to make sure Qt detects this as rich text
+ // Escape the current message as HTML and replace \n by <br>
+ tooltip = "<qt/>" + HtmlEscape(tooltip, true);
+ widget->setToolTip(tooltip);
+ return true;
+ }
+ }
+ return QObject::eventFilter(obj, evt);
+}
+
} // namespace GUIUtil
diff --git a/src/qt/guiutil.h b/src/qt/guiutil.h
index ea1a4795c0..8e9aae1cb0 100644
--- a/src/qt/guiutil.h
+++ b/src/qt/guiutil.h
@@ -2,6 +2,7 @@
#define GUIUTIL_H
#include <QString>
+#include <QObject>
QT_BEGIN_NAMESPACE
class QFont;
@@ -69,6 +70,23 @@ namespace GUIUtil
// Determine whether a widget is hidden behind other windows
bool isObscured(QWidget *w);
+ /** Qt event filter that intercepts ToolTipChange events, and replaces the tooltip with a rich text
+ representation if needed. This assures that Qt can word-wrap long tooltip messages.
+ Tooltips longer than the provided size threshold (in characters) are wrapped.
+ */
+ class ToolTipToRichTextFilter: public QObject
+ {
+ Q_OBJECT
+ public:
+ ToolTipToRichTextFilter(int size_threshold, QObject *parent);
+
+ protected:
+ bool eventFilter(QObject *obj, QEvent *evt);
+
+ private:
+ int size_threshold;
+ };
+
} // namespace GUIUtil
#endif // GUIUTIL_H