diff options
Diffstat (limited to 'render/form.c')
-rw-r--r-- | render/form.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/render/form.c b/render/form.c index b52e5add5..119fa968b 100644 --- a/render/form.c +++ b/render/form.c @@ -24,6 +24,29 @@ static char *form_textarea_value(struct form_control *textarea); /** + * Create a struct form. + * + * \param action URL to submit form to, used directly (not copied) + * \param method method and enctype + * \return a new structure, or 0 on memory exhaustion + */ + +struct form *form_new(char *action, form_method method) +{ + struct form *form; + + form = malloc(sizeof *form); + if (!form) + return 0; + form->action = action; + form->method = method; + form->controls = 0; + form->last_control = 0; + return form; +} + + +/** * Create a struct form_control. * * \param type control type @@ -99,6 +122,53 @@ void form_free_control(struct form_control *control) /** + * Add an option to a form select control. + * + * \param control form control of type GADGET_SELECT + * \param value value of option, used directly (not copied) + * \param text text for option, used directly (not copied) + * \param selected this option is selected + * \return true on success, false on memory exhaustion + */ + +bool form_add_option(struct form_control *control, char *value, char *text, + bool selected) +{ + struct form_option *option; + + assert(control); + assert(control->type == GADGET_SELECT); + + option = malloc(sizeof *option); + if (!option) + return false; + option->selected = option->initial_selected = false; + option->value = value; + option->text = text; + option->next = 0; + + /* add to linked list */ + if (control->data.select.items == 0) + control->data.select.items = option; + else + control->data.select.last_item->next = option; + control->data.select.last_item = option; + + /* set selected */ + if (selected && (control->data.select.num_selected == 0 || + control->data.select.multiple)) { + option->selected = option->initial_selected = true; + control->data.select.num_selected++; + control->data.select.current = option; + } + + control->data.select.num_items++; + + return true; +} + + +/** * Identify 'successful' controls. * * \param form form to search for successful controls |