Prevent status bar coordinate widget from shrinking too small

Author: nyalldawson

src/app/qgsstatusbarcoordinateswidget.cpp

@@ -35,6 +35,7 @@ QgsStatusBarCoordinatesWidget::QgsStatusBarCoordinatesWidget( QWidget *parent )
 {
   // calculate the size of two chars
   mTwoCharSize = fontMetrics().width( QStringLiteral( "OO" ) );
+  mMinimumWidth = mTwoCharSize * 4;
 
   // add a label to show current position
   mLabel = new QLabel( QString(), this );
@@ -251,7 +252,7 @@ void QgsStatusBarCoordinatesWidget::ensureCoordinatesVisible()
 {
 
   //ensure the label is big (and small) enough
-  int width = mLineEdit->fontMetrics().width( mLineEdit->text() ) + 10;
+  int width = std::max( mLineEdit->fontMetrics().width( mLineEdit->text() ) + 10, mMinimumWidth );
   if ( mLineEdit->minimumWidth() < width || ( mLineEdit->minimumWidth() - width ) > mTwoCharSize )
   {
     mLineEdit->setMinimumWidth( width );

src/app/qgsstatusbarcoordinateswidget.h

@@ -72,7 +72,8 @@ class APP_EXPORT QgsStatusBarCoordinatesWidget : public QWidget
     QValidator *mCoordsEditValidator = nullptr;
     QTimer *mDizzyTimer = nullptr;
     QgsMapCanvas *mMapCanvas = nullptr;
-    int mTwoCharSize;
+    int mTwoCharSize = 0;
+    int mMinimumWidth = 0;
 
     //! The number of decimal places to use if not automatic
     unsigned int mMousePrecisionDecimalPlaces;