Stellarium · gzotti · Sep 15, 2025 · Sep 11, 2025 · Sep 11, 2025 · Sep 11, 2025
diff --git a/plugins/AngleMeasure/src/AngleMeasure.cpp b/plugins/AngleMeasure/src/AngleMeasure.cpp
@@ -32,6 +32,7 @@
 
 #include <QApplication>
 #include <QDebug>
+#include <QFont>
 #include <QTimer>
 #include <QPixmap>
 #include <QSettings>
@@ -64,7 +65,8 @@ StelPluginInfo AngleMeasureStelPluginInterface::getPluginInfo() const
 }
 
 AngleMeasure::AngleMeasure()
-	: flagShowAngleMeasure(false)
+	: fontSize(16)
+	, flagShowAngleMeasure(false)
 	, withDecimalDegree(false)
 	, dragging(false)
 	, angleEquatorial(0.)
@@ -95,7 +97,6 @@ AngleMeasure::AngleMeasure()
 	perp2EndPointHor.set(0.,0.,0.);
 
 	setObjectName("AngleMeasure");
-	font.setPixelSize(16);
 
 	configDialog = new AngleMeasureDialog();
 	conf = StelApp::getInstance().getSettings();
@@ -195,6 +196,8 @@ void AngleMeasure::drawOne(StelCore *core, const StelCore::FrameType frameType,
 {
 	const StelProjectorP prj = core->getProjection(frameType, refractionMode);
 	StelPainter painter(prj);
+	QFont font=QGuiApplication::font();
+	font.setPixelSize(fontSize);
 	painter.setFont(font);
 	painter.setBlending(true);
 

diff --git a/plugins/AngleMeasure/src/AngleMeasure.hpp b/plugins/AngleMeasure/src/AngleMeasure.hpp
@@ -20,7 +20,6 @@
 #ifndef ANGLEMEASURE_HPP
 #define ANGLEMEASURE_HPP
 
-#include <QFont>
 #include "VecMath.hpp"
 #include "StelModule.hpp"
 #include "StelFader.hpp"
@@ -165,7 +164,7 @@ private slots:
 	void clearMessage();
 
 private:
-	QFont font;
+	int fontSize;
 	bool flagShowAngleMeasure;
 	bool withDecimalDegree;
 	LinearFader lineVisible;

diff --git a/plugins/ArchaeoLines/src/ArchaeoLines.cpp b/plugins/ArchaeoLines/src/ArchaeoLines.cpp
@@ -34,6 +34,7 @@
 #include <QTimer>
 #include <QPixmap>
 #include <QColor>
+#include <QFont>
 #include <QSettings>
 #include <QMouseEvent>
 #include <cmath>
@@ -97,7 +98,6 @@ ArchaeoLines::ArchaeoLines()
 	, toolbarButton(Q_NULLPTR)
 {
 	setObjectName("ArchaeoLines");
-	font.setPixelSize(16);
 	core=StelApp::getInstance().getCore();
 	Q_ASSERT(core);
 	objMgr=GETSTELMODULE(StelObjectMgr);
@@ -1515,6 +1515,8 @@ void ArchaeoLine::draw(StelCore *core, float intensity) const
 	//Vec4f textColor(color[0], color[1], color[2], intensity*fader.getInterstate());
 
 	ALViewportEdgeIntersectCallbackData userData(&sPainter);
+	QFont font=QGuiApplication::font();
+	font.setPixelSize(fontSize);
 	sPainter.setFont(font);
 	//userData.textColor = textColor;
 	userData.text = (isLabelVisible() ? label : "");

diff --git a/plugins/ArchaeoLines/src/ArchaeoLines.hpp b/plugins/ArchaeoLines/src/ArchaeoLines.hpp
@@ -19,7 +19,6 @@
 #ifndef ARCHAEOLINES_HPP
 #define ARCHAEOLINES_HPP
 
-#include <QFont>
 #include <QColor>
 #include <QKeyEvent>
 #include "VecMath.hpp"
@@ -133,9 +132,9 @@ public slots:
 	void update(const double deltaTime) {fader.update(static_cast<int>(deltaTime*1000));}
 	void setFadeDuration(const float duration) {fader.setDuration(static_cast<int>(duration*1000.f));}
 	void setDisplayed(const bool displayed){fader = displayed;}
-	void setFontSize(const int newSize){font.setPixelSize(newSize);}
+	void setFontSize(const int newSize){fontSize = newSize;}
 	//! To be connected to StelApp font size. newSize will be enlarged by 1.
-	void setFontSizeFromApp(const int newSize){font.setPixelSize(newSize+1);}
+	void setFontSizeFromApp(const int newSize){fontSize = newSize+1;}
 	//! reset declination/azimuth angle (degrees) of this arc. Any azimuth angles MUST be given counted from north.
 	void setDefiningAngle(const double angle);
 	double getDefiningAngle(void) const {return definingAngle;} // returns declination for most, or azimuth.
@@ -156,7 +155,7 @@ public slots:
 	bool flagLabel; //! show the label. (some should be permanently silent)
 	QString label;
 	LinearFader fader;
-	QFont font;
+	int fontSize;
 };
 
 //! Main class of the ArchaeoLines plug-in.
@@ -483,7 +482,6 @@ private slots:
 	void updateObserverLocation(const StelLocation &loc);
 
 private:
-	QFont font;
 	bool flagShowArchaeoLines;
 	LinearFader lineFader;
 	int lineWidth;

diff --git a/plugins/Calendars/src/Calendars.cpp b/plugins/Calendars/src/Calendars.cpp
@@ -20,6 +20,7 @@
 #include <QDebug>
 #include <QStyleOptionGraphicsItem>
 #include <QPainter>
+#include <QFont>
 #include "StelGuiItems.hpp"
 #include "StelApp.hpp"
 #include "StelCore.hpp"
@@ -142,13 +143,25 @@ Calendars::Calendars():
 	flagShowTibetan(false)
 {
 	setObjectName("Calendars");
-	font.setPixelSize(StelApp::getInstance().getScreenFontSize());
+	int fontSize = StelApp::getInstance().getScreenFontSize();
 
 	configDialog = new CalendarsDialog();
 	conf = StelApp::getInstance().getSettings();
 
 	infoPanel=new CalendarsInfoPanel(this, static_cast<StelGui*>(StelApp::getInstance().getGui())->getSkyGui());
-	connect(&StelApp::getInstance(), &StelApp::screenFontSizeChanged, this, [=](int size){font.setPixelSize(size); infoPanel->setFont(font); infoPanel->updatePosition(true);});
+	QFont pFont=QGuiApplication::font();
+	pFont.setPixelSize(fontSize);
+	infoPanel->setFont(pFont);
+	connect(&StelApp::getInstance(), &StelApp::fontChanged, this, [=](const QFont &font){
+		QFont pFont=font;
+		pFont.setPixelSize(fontSize);
+		infoPanel->setFont(pFont);
+		infoPanel->updatePosition(true);});
+	connect(&StelApp::getInstance(), &StelApp::screenFontSizeChanged, this, [=](int size){
+		QFont f=infoPanel->font();
+		f.setPixelSize(size);
+		infoPanel->setFont(f);
+		infoPanel->updatePosition(true);});
 }
 
 /*************************************************************************
@@ -217,7 +230,6 @@ void Calendars::init()
 		qWarning() << "Unable to create toolbar button for Calendars plugin: " << e.what();
 	}
 
-	infoPanel->setFont(font);
 	infoPanel->setPos(600, 300);
 
 	const double jd=StelApp::getInstance().getCore()->getJD();

diff --git a/plugins/Calendars/src/Calendars.hpp b/plugins/Calendars/src/Calendars.hpp
@@ -19,7 +19,6 @@
 #ifndef CALENDARS_HPP
 #define CALENDARS_HPP
 
-#include <QFont>
 #include <QMap>
 
 #include "StelModule.hpp"
@@ -293,8 +292,6 @@ public slots:
 	void showTibetan(bool b);	        //!< activate display of Tibetan
 
 private:
-	// Font used for displaying text
-	QFont font;
 	CalendarsInfoPanel *infoPanel;
 	CalendarsDialog* configDialog;
 	StelButton* toolbarButton;

diff --git a/plugins/EquationOfTime/src/EquationOfTime.cpp b/plugins/EquationOfTime/src/EquationOfTime.cpp
@@ -29,10 +29,10 @@
 #include "EquationOfTime.hpp"
 #include "EquationOfTimeWindow.hpp"
 
+#include <QFont>
 #include <QFontMetrics>
 #include <QSettings>
 #include <QPixmap>
-#include <cmath>
 
 StelModule* EquationOfTimeStelPluginInterface::getStelModule() const
 {
@@ -118,6 +118,7 @@ void EquationOfTime::draw(StelCore *core)
 	float ppx = static_cast<float>(params.devicePixelsPerPixel);
 
 	sPainter.setColor(textColor, 1.f);
+	QFont font=QGuiApplication::font();
 	font.setPixelSize(getFontSize());
 	sPainter.setFont(font);
 

diff --git a/plugins/EquationOfTime/src/EquationOfTime.hpp b/plugins/EquationOfTime/src/EquationOfTime.hpp
@@ -23,7 +23,6 @@
 #include "StelGui.hpp"
 #include "StelModule.hpp"
 
-#include <QFont>
 #include <QString>
 
 class QPixmap;
@@ -154,7 +153,6 @@ private slots:
 	QSettings* conf;
 	StelGui* gui;
 
-	QFont font;
 	bool flagShowSolutionEquationOfTime;
 	bool flagUseInvertedValue;
 	bool flagUseMsFormat;

diff --git a/plugins/Exoplanets/src/Exoplanet.hpp b/plugins/Exoplanets/src/Exoplanet.hpp
@@ -22,7 +22,6 @@
 #include <QVariant>
 #include <QString>
 #include <QStringList>
-#include <QFont>
 #include <QList>
 #include <QDateTime>
 

diff --git a/plugins/Exoplanets/src/Exoplanets.cpp b/plugins/Exoplanets/src/Exoplanets.cpp
@@ -23,7 +23,7 @@
 #include "StelCore.hpp"
 #include "StelGui.hpp"
 #include "StelGuiItems.hpp"
-#include "StelLocaleMgr.hpp"
+//#include "StelLocaleMgr.hpp"
 #include "StelModuleMgr.hpp"
 #include "StelObjectMgr.hpp"
 #include "StelTextureMgr.hpp"
@@ -36,7 +36,7 @@
 #include "Exoplanets.hpp"
 #include "Exoplanet.hpp"
 #include "ExoplanetsDialog.hpp"
-#include "StelActionMgr.hpp"
+//#include "StelActionMgr.hpp"
 #include "StelProgressController.hpp"
 
 #include <QNetworkAccessManager>
@@ -45,6 +45,7 @@
 #include <QDebug>
 #include <QFileInfo>
 #include <QFile>
+#include <QFont>
 #include <QTimer>
 #include <QVariantMap>
 #include <QVariant>
@@ -232,6 +233,8 @@ void Exoplanets::draw(StelCore* core)
 
 	StelProjectorP prj = core->getProjection(StelCore::FrameJ2000);
 	StelPainter painter(prj);
+	QFont font=QGuiApplication::font();
+	font.setPixelSize(fontSize);
 	painter.setFont(font);
 
 	for (const auto& eps : std::as_const(ep))

diff --git a/plugins/Exoplanets/src/Exoplanets.hpp b/plugins/Exoplanets/src/Exoplanets.hpp
@@ -23,7 +23,6 @@
 #include "StelObject.hpp"
 #include "StelTextureTypes.hpp"
 #include "Exoplanet.hpp"
-#include <QFont>
 #include <QVariantMap>
 #include <QDateTime>
 #include <QList>
@@ -359,11 +358,11 @@ public slots:
 	void setCurrentTemperatureScaleKey(const QString &key);
 
 	//! Connect this to StelApp font size.
-	void setFontSize(int s){font.setPixelSize(s);}
+	void setFontSize(int s){fontSize = s;}
 
 private:
 	// Font used for displaying our text
-	QFont font;
+	int fontSize;
 
 	// if existing, delete Satellites section in main config.ini, then create with default values
 	void resetConfiguration(void);

diff --git a/plugins/HelloStelModule/src/HelloStelModule.cpp b/plugins/HelloStelModule/src/HelloStelModule.cpp
@@ -25,6 +25,7 @@
 #include "HelloStelModule.hpp"
 
 #include <QDebug>
+#include <QFont>
 
 /*************************************************************************
  This method is the one called automatically by the StelModuleMgr just 
@@ -49,10 +50,9 @@ StelPluginInfo HelloStelModuleStelPluginInterface::getPluginInfo() const
 /*************************************************************************
  Constructor
 *************************************************************************/
-HelloStelModule::HelloStelModule()
+HelloStelModule::HelloStelModule(): fontSize(25)
 {
 	setObjectName("HelloStelModule");
-	font.setPixelSize(25);
 }
 
 /*************************************************************************
@@ -88,6 +88,8 @@ void HelloStelModule::draw(StelCore* core)
 {
 	StelPainter painter(core->getProjection2d());
 	painter.setColor(1,1,1,1);
+	QFont font=QGuiApplication::font();
+	font.setPixelSize(fontSize);
 	painter.setFont(font);
 	painter.drawText(300, 300, "Hello World!");
 }

diff --git a/plugins/HelloStelModule/src/HelloStelModule.hpp b/plugins/HelloStelModule/src/HelloStelModule.hpp
@@ -20,7 +20,6 @@
 #define HELLOSTELMODULE_HPP
 
 #include "StelModule.hpp"
-#include <QFont>
 
 //! This is an example of a plug-in which can be dynamically loaded into stellarium
 class HelloStelModule : public StelModule
@@ -37,8 +36,8 @@ class HelloStelModule : public StelModule
 	void draw(StelCore* core) override;
 	double getCallOrder(StelModuleActionName actionName) const override;
 private:
-	// Font used for displaying our text
-	QFont font;
+	// Fontsize used for displaying our text
+	int fontSize;
 };
 
 

diff --git a/plugins/MeteorShowers/src/MeteorShower.cpp b/plugins/MeteorShowers/src/MeteorShower.cpp
@@ -18,6 +18,7 @@
  */
 
 #include <QtMath>
+#include <QFont>
 
 #include "LandscapeMgr.hpp"
 #include "StelLocaleMgr.hpp"
@@ -377,7 +378,9 @@ void MeteorShower::drawRadiant(StelCore *core)
 		if (m_mgr->getEnableLabels())
 		{
 			painter.setColor(rgb);
-			painter.setFont(m_mgr->getFont());
+			QFont font=QGuiApplication::font();
+			font.setPixelSize(m_mgr->getFontSize());
+			painter.setFont(font);
 			const float shift = 8.f;
 			if ((mag+1.f)<mlimit)
 				painter.drawText(static_cast<float>(XY[0])+shift, static_cast<float>(XY[1])+shift, getNameI18n(), 0, 0, 0, false);

diff --git a/plugins/MeteorShowers/src/MeteorShowersMgr.cpp b/plugins/MeteorShowers/src/MeteorShowersMgr.cpp
@@ -560,7 +560,7 @@ void MeteorShowersMgr::setEnableAtStartup(const bool& b)
 void MeteorShowersMgr::setFontSize(int pixelSize)
 {
 	pixelSize = pixelSize < 1 ? 13 : pixelSize;
-	m_font.setPixelSize(pixelSize);
+	m_fontSize = pixelSize;
 	m_conf->setValue(MS_CONFIG_PREFIX + "/font_size", pixelSize);
 }
 

diff --git a/plugins/MeteorShowers/src/MeteorShowersMgr.hpp b/plugins/MeteorShowers/src/MeteorShowersMgr.hpp
@@ -103,9 +103,6 @@ class MeteorShowersMgr : public StelModule
 	void setEnablePlugin(const bool& b);
 	bool getEnablePlugin() { return m_enablePlugin; }
 
-	//! Get the font.
-	QFont getFont() { return m_font; }
-
 	//! Set the URL for downloading the meteor showers catalog.
 	void setUrl(const QString& url);
 	QString getUrl() { return m_url; }
@@ -225,7 +222,7 @@ public slots:
 	//! // example of usage in scripts
 	//! var size = MeteorShowers.getFontSize();
 	//! @endcode
-	int getFontSize() { return m_font.pixelSize(); }
+	int getFontSize() { return m_fontSize; }
 
 	//! Set the update frequency in hours.
 	//! @param hours update frequency in hours
@@ -305,7 +302,7 @@ private slots:
 	MSConfigDialog* m_configDialog;
 	MSSearchDialog* m_searchDialog;
 
-	QFont m_font;
+	int m_fontSize;
 	QSettings* m_conf;
 	QString m_catalogPath;
 

diff --git a/plugins/NebulaTextures/src/NebulaTextures.cpp b/plugins/NebulaTextures/src/NebulaTextures.cpp
@@ -58,7 +58,6 @@ StelPluginInfo NebulaTexturesStelPluginInterface::getPluginInfo() const
 NebulaTextures::NebulaTextures()
 {
 	setObjectName("NebulaTextures");
-	font.setPixelSize(25);
 	configDialog = new NebulaTexturesDialog();
 	connect(StelApp::getInstance().getModule("StelSkyLayerMgr"),
 			SIGNAL(collectionLoaded()),configDialog,SLOT(initializeRefreshIfNeeded()));