Update Kicad window tooltips, etc. when language changes.

Fixes: lp:1828616
* https://bugs.launchpad.net/kicad/+bug/1828616

kicad/commandframe.cpp

@@ -40,11 +40,12 @@ const int BUTTON_SEPARATION = 5;
 const int BUTTON_EXPANSION  = 6;
 
 LAUNCHER_PANEL::LAUNCHER_PANEL( wxWindow* parent ) :
-    wxPanel( parent, wxID_ANY )
+    wxPanel( parent, wxID_ANY ),
+    m_buttonSizer( nullptr )
 {
 
     // Add bitmap buttons to launch KiCad utilities:
-    CreateCommandToolbar();
+    ReCreateCommandToolbar();
 }
 
 int LAUNCHER_PANEL::GetPanelHeight() const
@@ -61,11 +62,17 @@ int LAUNCHER_PANEL::GetPanelWidth() const
  * Add application launcher buttons
  * e.g. Eeschema, CvPcb, Pcbnew, GerbView
  */
-void LAUNCHER_PANEL::CreateCommandToolbar()
+void LAUNCHER_PANEL::ReCreateCommandToolbar()
 {
-    wxStaticLine* separator;
+    if( m_buttonSizer )
+        m_buttonSizer->Clear( true );
+    else
+    {
+        m_buttonSizer = new wxBoxSizer( wxHORIZONTAL );
+        SetSizer( m_buttonSizer );
+    }
 
-    m_buttonSizer = new wxBoxSizer( wxHORIZONTAL );
+    wxStaticLine* separator;
 
     AddButton( ID_TO_SCH,
                KiBitmap( icon_eeschema_xpm ),
@@ -111,7 +118,7 @@ void LAUNCHER_PANEL::CreateCommandToolbar()
     // Add a stretchy spacer to make button bar fill the entire screen
     m_buttonSizer->AddStretchSpacer();
 
-    SetSizer( m_buttonSizer );
+    Layout();
 }
 
 /**

kicad/kicad.h

@@ -233,6 +233,7 @@ public:
 
     void SaveSettings( wxConfigBase* aCfg ) override;
 
+    void ShowChangedLanguage() override;
     void CommonSettingsChanged() override;
 
     /**
@@ -323,13 +324,13 @@ public: LAUNCHER_PANEL( wxWindow* parent );
     int GetPanelHeight() const;
     int GetPanelWidth() const;
 
-private:
-
     /**
      * Function CreateCommandToolbar
      * creates the main tool bar buttons (fast launch buttons)
      */
-    void            CreateCommandToolbar( void );
+    void ReCreateCommandToolbar();
+
+private:
 
     void AddButton( wxWindowID aId, const wxBitmap& aBitmap, const wxString& aToolTip );
 };

kicad/mainframe.cpp

@@ -524,6 +524,19 @@ void KICAD_MANAGER_FRAME::language_change( wxCommandEvent& event )
 }
 
 
+void KICAD_MANAGER_FRAME::ShowChangedLanguage()
+{
+    // call my base class
+    EDA_BASE_FRAME::ShowChangedLanguage();
+
+    // tooltips in toolbars
+    RecreateBaseHToolbar();
+    m_Launcher->ReCreateCommandToolbar();
+
+    PrintPrjInfo();
+}
+
+
 void KICAD_MANAGER_FRAME::CommonSettingsChanged()
 {
     int historySize;