Some string cleanup

dw/fltkui.cc

@@ -1502,11 +1502,11 @@ void FltkOptionMenuResource::setItem (int index, bool selected)
       ((Fl_Choice *)widget)->value(menu+index);
 }
 
-void FltkOptionMenuResource::pushGroup (const char *name, bool enabled)
+void FltkOptionMenuResource::pushGroup (const std::string &name, bool enabled)
 {
    Fl_Menu_Item *item = newItem();
 
-   item->text = dStrdup(name);
+   item->text = dStrdup( name.c_str() );
 
    if (enabled == false)
       item->flags = FL_MENU_INACTIVE;
@@ -1628,11 +1628,11 @@ void FltkListResource::widgetCallback (Fl_Widget *widget, void *data)
    }
 }
 
-void *FltkListResource::newItem (const char *str, bool enabled, bool selected)
+void *FltkListResource::newItem (const std::string &str, bool enabled, bool selected)
 {
    Fl_Browser *b = (Fl_Browser *) widget;
    int index = b->size() + 1;
-   char *label = (char *)malloc(strlen(str) + 1 + currDepth + 4),
+   char *label = (char *)malloc(str.size() + 1 + currDepth + 4),
         *s = label;
 
    memset(s, '\a', currDepth);
@@ -1646,7 +1646,7 @@ void *FltkListResource::newItem (const char *str, bool enabled, bool selected)
    *s++ = '@';
    *s++ = '.';
 
-   strcpy(s, str);
+   strcpy(s, str.c_str());
 
    b->add(label);
    free(label);
@@ -1689,18 +1689,18 @@ void FltkListResource::setItem (int index, bool selected)
    b->select(index + 1, selected);
 }
 
-void FltkListResource::pushGroup (const char *name, bool enabled)
+void FltkListResource::pushGroup (const std::string &name_, bool enabled)
 {
    bool en = false;
    bool selected = false;
 
+   auto name= name_;
    // Fl_Browser_::incr_height() for item height won't do the right thing if
    // the first item doesn't have anything to it.
-   if (!name || !*name)
-      name = " ";
+   if( name.empty() ) name= " ";
 
    // TODO: Proper disabling of item groups
-   newItem(name, en, selected);
+   newItem(name.c_str(), en, selected);
 
    if (currDepth < 3)
       currDepth++;

dw/fltkui.hh

@@ -456,7 +456,7 @@ protected:
    virtual bool setSelectedItems() { return false; }
    virtual void addItem (const char *str, bool enabled, bool selected) = 0;
    virtual void setItem (int index, bool selected) = 0;
-   virtual void pushGroup (const char *name, bool enabled) = 0;
+   virtual void pushGroup( const std::string &name, bool enabled ) = 0;
    virtual void popGroup () = 0;
 public:
    FltkSelectionResource (FltkPlatform *platform) :
@@ -486,7 +486,7 @@ public:
 
    void addItem (const char *str, bool enabled, bool selected);
    void setItem (int index, bool selected);
-   void pushGroup (const char *name, bool enabled);
+   void pushGroup( const std::string &name, bool enabled ) override;
    void popGroup ();
 
    void sizeRequest (core::Requisition *requisition);
@@ -503,7 +503,7 @@ protected:
    int getMaxItemWidth ();
 private:
    static void widgetCallback (Fl_Widget *widget, void *data);
-   void *newItem (const char *str, bool enabled, bool selected);
+   void *newItem (const std::string &str, bool enabled, bool selected);
    int currDepth;
    int colWidths[4];
    int showRows;
@@ -516,7 +516,7 @@ public:
 
    void addItem (const char *str, bool enabled, bool selected);
    void setItem (int index, bool selected);
-   void pushGroup (const char *name, bool enabled);
+   void pushGroup( const std::string &name, bool enabled ) override;
    void popGroup ();
 
    void sizeRequest (core::Requisition *requisition);

dw/ui.hh

@@ -468,7 +468,7 @@ class SelectionResource: public Resource
 public:
    virtual void addItem (const char *str, bool enabled, bool selected) = 0;
    virtual void setItem (int index, bool selected) = 0;
-   virtual void pushGroup (const char *name, bool enabled) = 0;
+   virtual void pushGroup( const std::string &name, bool enabled ) = 0;
    virtual void popGroup () = 0;
 
    virtual int getNumberOfItems () = 0;

src/form.cc

@@ -168,7 +168,7 @@ public:
 class DilloHtmlOptbase
 {
 public:
-   virtual ~DilloHtmlOptbase () {};
+   virtual ~DilloHtmlOptbase ()= default;
    virtual bool isSelected() {return false;}
    virtual bool select() {return false;}
    virtual const char *getValue() {return NULL;}
@@ -179,11 +179,10 @@ public:
 
 class DilloHtmlOptgroup : public DilloHtmlOptbase {
 private:
-   char *label;
+   std::string label;
    bool enabled;
 public:
-   DilloHtmlOptgroup (char *label, bool enabled);
-   virtual ~DilloHtmlOptgroup ();
+   DilloHtmlOptgroup (const std::string &label, bool enabled);
    void addSelf (SelectionResource *res)
       {res->pushGroup(label, enabled);}
 };
@@ -813,7 +812,7 @@ void Html_tag_open_optgroup(DilloHtml *html, const char *tag, int tagsize)
          label = "";
       }
 
-      auto opt= std::make_unique< DilloHtmlOptgroup >( dStrdup( label.value().c_str() ), enabled );
+      auto opt= std::make_unique< DilloHtmlOptgroup >( label.value(), enabled );
 
       input->select->addOpt( std::move( opt ) );
    }
@@ -1897,17 +1896,12 @@ void DilloHtmlSelect::appendValuesTo (std::vector< std::string > &values, Select
    }
 }
 
-DilloHtmlOptgroup::DilloHtmlOptgroup (char *label, bool enabled)
+DilloHtmlOptgroup::DilloHtmlOptgroup (const std::string &label, bool enabled)
 {
    this->label = label;
    this->enabled = enabled;
 }
 
-DilloHtmlOptgroup::~DilloHtmlOptgroup ()
-{
-   dFree(label);
-}
-
 /*
  * DilloHtmlOption
  */