From: Edwin Leuven <e.leuven@gmail.com>
Date: Sun, 23 Jan 2011 09:17:52 +0000 (+0000)
Subject: add busy spinner to status bar when threads are running in the background
X-Git-Tag: 2.0.0~1023
X-Git-Url: https://git.lyx.org/gitweb/?a=commitdiff_plain;h=edf0e85f4b41c73048313772fc3ba44bda1578e1;p=lyx.git

add busy spinner to status bar when threads are running in the background

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@37304 a592a061-630c-0410-9148-cb99ea01b6c8
---

diff --git a/lib/images/busy.gif b/lib/images/busy.gif
new file mode 100644
index 0000000000..5b33f7e54f
Binary files /dev/null and b/lib/images/busy.gif differ
diff --git a/src/frontends/qt4/GuiView.cpp b/src/frontends/qt4/GuiView.cpp
index 1344d4f004..027bcddbba 100644
--- a/src/frontends/qt4/GuiView.cpp
+++ b/src/frontends/qt4/GuiView.cpp
@@ -88,9 +88,11 @@
 #include <QDesktopWidget>
 #include <QDragEnterEvent>
 #include <QDropEvent>
+#include <QLabel>
 #include <QList>
 #include <QMenu>
 #include <QMenuBar>
+#include <QMovie>
 #include <QPainter>
 #include <QPixmap>
 #include <QPixmapCache>
@@ -441,6 +443,19 @@ GuiView::GuiView(int id)
 	// For Drag&Drop.
 	setAcceptDrops(true);
 
+	// add busy indicator to statusbar
+	QLabel * busylabel = new QLabel(statusBar());
+	statusBar()->addPermanentWidget(busylabel);
+	QString fn = toqstr(lyx::libFileSearch("images", "busy.gif").absFileName());
+	QMovie * busyanim = new QMovie(fn, QByteArray(), busylabel);
+	busylabel->setMovie(busyanim);
+	busyanim->start();
+	busylabel->hide();
+	connect(&d.processing_thread_watcher_, SIGNAL(started()), 
+		busylabel, SLOT(show()));
+	connect(&d.processing_thread_watcher_, SIGNAL(finished()), 
+		busylabel, SLOT(hide()));
+
 	statusBar()->setSizeGripEnabled(true);
 	updateStatusBar();