Make sure text caches get updated on move.

Fixes https://gitlab.com/kicad/code/kicad/issues/11319

pcbnew/fp_textbox.cpp

@@ -178,6 +178,13 @@ bool FP_TEXTBOX::HitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy
 }
 
 
+void FP_TEXTBOX::Move( const VECTOR2I& aMoveVector )
+{
+    FP_SHAPE::Move( aMoveVector );
+    EDA_TEXT::Offset( aMoveVector );
+}
+
+
 void FP_TEXTBOX::Rotate( const VECTOR2I& aRotCentre, const EDA_ANGLE& aAngle )
 {
     FP_SHAPE::Rotate( aRotCentre, aAngle );

pcbnew/fp_textbox.h

@@ -79,6 +79,8 @@ public:
 
     std::vector<VECTOR2I> GetAnchorAndOppositeCorner() const;
 
+    void Move( const VECTOR2I& aMoveVector ) override;
+
     /// Rotate text, in footprint editor
     /// (for instance in footprint rotation transform)
     void Rotate( const VECTOR2I& aOffset, const EDA_ANGLE& aAngle ) override;

pcbnew/pcb_textbox.cpp

@@ -247,6 +247,13 @@ void PCB_TEXTBOX::GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL
 }
 
 
+void PCB_TEXTBOX::Move( const VECTOR2I& aMoveVector )
+{
+    PCB_SHAPE::Move( aMoveVector );
+    EDA_TEXT::Offset( aMoveVector );
+}
+
+
 void PCB_TEXTBOX::Rotate( const VECTOR2I& aRotCentre, const EDA_ANGLE& aAngle )
 {
     PCB_SHAPE::Rotate( aRotCentre, aAngle );

pcbnew/pcb_textbox.h

@@ -79,6 +79,8 @@ public:
 
     std::vector<VECTOR2I> GetAnchorAndOppositeCorner() const;
 
+    void Move( const VECTOR2I& aMoveVector ) override;
+
     void Rotate( const VECTOR2I& aRotCentre, const EDA_ANGLE& aAngle ) override;
 
     void Flip( const VECTOR2I& aCentre, bool aFlipLeftRight ) override;