HtmlInput ownership.

src/form.cc

@@ -147,7 +147,7 @@ public:  //BUG: for now everything is public
    std::optional< std::string > init_str;    /* note: some overloading - for buttons, init_str
                          is simply the value of the button; for text
                          entries, it is the initial value */
-   DilloHtmlSelect *select;
+   std::unique_ptr< DilloHtmlSelect > select;
    bool init_val;     /* only meaningful for buttons */
    std::string file_data;   /* only meaningful for file inputs.
                          TODO: may become a list... */
@@ -160,7 +160,6 @@ private:
 public:
    DilloHtmlInput (DilloHtmlInputType type, Embed *embed,
                    const std::optional< std::string > &name, const std::optional< std::string > &init_str, bool init_val);
-   ~DilloHtmlInput ();
    void appendValuesTo(std::vector< std::string > &values, bool is_active_submit);
    void reset();
    void setEnabled(bool enabled) {if (embed) embed->setEnabled(enabled); };
@@ -216,8 +215,8 @@ class DilloHtmlSelect {
 private:
    lout::misc::SimpleVector<DilloHtmlOptbase *> *opts;
    DilloHtmlSelect ();
-   ~DilloHtmlSelect ();
 public:
+   ~DilloHtmlSelect ();
    DilloHtmlOptbase *getCurrentOpt ();
    void addOpt (DilloHtmlOptbase *opt);
    void ensureSelection ();
@@ -775,7 +774,7 @@ void Html_tag_close_select(DilloHtml *html)
 
       auto input = Html_get_current_input(*html);
       if (input) {
-         DilloHtmlSelect *select = input->select;
+         DilloHtmlSelect *select = input->select.get();
          if (input->type == DILLO_HTML_INPUT_SELECT) {
             // option menu interface requires that something be selected */
             select->ensureSelection ();
@@ -1632,7 +1631,7 @@ DilloHtmlInput::DilloHtmlInput (DilloHtmlInputType type2, Embed *embed2,
    switch (type) {
    case DILLO_HTML_INPUT_SELECT:
    case DILLO_HTML_INPUT_SEL_LIST:
-      select = new DilloHtmlSelect;
+      select.reset( new DilloHtmlSelect );
       break;
    default:
       break;
@@ -1640,15 +1639,6 @@ DilloHtmlInput::DilloHtmlInput (DilloHtmlInputType type2, Embed *embed2,
    reset ();
 }
 
-/*
- * Destructor
- */
-DilloHtmlInput::~DilloHtmlInput ()
-{
-   if (select)
-      delete select;
-}
-
 /**
  * Connect to a receiver.
  */