QMLProfile: correctly track the device pixel ratio

And set the font size accordingly.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

2 files changed, 12 insertions, 1 deletions

diff --git a/qt-mobile/qmlprofile.cpp b/qt-mobile/qmlprofile.cpp
index 512aa6a3a..e382e4e07 100644
--- a/qt-mobile/qmlprofile.cpp
+++ b/qt-mobile/qmlprofile.cpp
@@ -1,7 +1,9 @@
 #include "qmlprofile.h"
+#include "qmlmanager.h"
 #include "profile-widget/profilewidget2.h"
 #include "subsurface-core/dive.h"
 #include <QTransform>
+#include <QScreen>
 
 QMLProfile::QMLProfile(QQuickItem *parent) :
 	QQuickPaintedItem(parent),
@@ -13,7 +15,8 @@ QMLProfile::QMLProfile(QQuickItem *parent) :
 	m_profileWidget->setProfileState();
 	m_profileWidget->setPrintMode(true);
 	m_profileWidget->setFontPrintScale(0.8);
-	//m_profileWidget->setGeometry(this->geometry());
+	connect(QMLManager::instance(), &QMLManager::sendScreenChanged, this, &QMLProfile::screenChanged);
+	setDevicePixelRatio(QMLManager::instance()->lastDevicePixelRatio());
 }
 
 QMLProfile::~QMLProfile()
@@ -65,6 +68,12 @@ void QMLProfile::setDevicePixelRatio(qreal dpr)
 {
 	if (dpr != m_devicePixelRatio) {
 		m_devicePixelRatio = dpr;
+		m_profileWidget->setFontPrintScale(0.8 * dpr);
 		emit devicePixelRatioChanged();
 	}
 }
+
+void QMLProfile::screenChanged(QScreen *screen)
+{
+	setDevicePixelRatio(screen->devicePixelRatio());
+}
diff --git a/qt-mobile/qmlprofile.h b/qt-mobile/qmlprofile.h
index 35332ce8d..c8a77d700 100644
--- a/qt-mobile/qmlprofile.h
+++ b/qt-mobile/qmlprofile.h
@@ -24,11 +24,13 @@ public:
 
 public slots:
 	void setMargin(int margin);
+	void screenChanged(QScreen *screen);
 private:
 	QString m_diveId;
 	qreal m_devicePixelRatio;
 	int m_margin;
 	ProfileWidget2 *m_profileWidget;
+
 signals:
 	void rightAlignedChanged();
 	void diveIdChanged();