[LyX/master] Show zoom value in statusbar

[Juergen Spitzmueller]

commit be6dc7dd5dc10f79efaaaa2525b2ba77d0b02c46
Author: Juergen Spitzmueller <spitz at lyx.org>
Date:   Sun Mar 7 17:21:52 2021 +0100

    Show zoom value in statusbar
---
 src/frontends/qt/GuiView.cpp |    7 +++++--
 src/frontends/qt/GuiView.h   |    2 ++
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/frontends/qt/GuiView.cpp b/src/frontends/qt/GuiView.cpp
index e542dc9..f8929a2 100644
--- a/src/frontends/qt/GuiView.cpp
+++ b/src/frontends/qt/GuiView.cpp
@@ -654,6 +654,10 @@ GuiView::GuiView(int id)
 	connect(zoomslider, SIGNAL(valueChanged(int)), this, SLOT(zoomValueChanged(int)));
 	connect(this, SIGNAL(currentZoomChanged(int)), zoomslider, SLOT(setValue(int)));
 
+	zoom_value_ = new QLabel(statusBar());
+	zoom_value_->setText(toqstr(bformat(_("[[ZOOM]]%1$d%"), zoom)));
+	statusBar()->addPermanentWidget(zoom_value_);
+
 	int const iconheight = max(int(d.normalIconSize), fm.height());
 	QSize const iconsize(iconheight, iconheight);
 
@@ -758,8 +762,7 @@ void GuiView::zoomSliderMoved(int value)
 	DispatchResult dr;
 	dispatch(FuncRequest(LFUN_BUFFER_ZOOM, convert<string>(value)), dr);
 	currentWorkArea()->scheduleRedraw(true);
-	message(bformat(_("Zoom level is now %1$d% (default value: %2$d%)"),
-			value, lyxrc.defaultZoom));
+	zoom_value_->setText(toqstr(bformat(_("[[ZOOM]]%1$d%"), value)));
 }
 
 
diff --git a/src/frontends/qt/GuiView.h b/src/frontends/qt/GuiView.h
index 0b2650f..6109460 100644
--- a/src/frontends/qt/GuiView.h
+++ b/src/frontends/qt/GuiView.h
@@ -493,6 +493,8 @@ private:
 	QLabel * read_only_;
 	/// Statusbar widget that shows version control status
 	QLabel * version_control_;
+	/// Statusbar widget that shows zoom value
+	QLabel * zoom_value_;
 
 	/// The rate from which the actual zoom value is calculated
 	/// from the default zoom pref