diff options
Diffstat (limited to 'content/handlers/html/form_internal.h')
| -rw-r--r-- | content/handlers/html/form_internal.h | 124 |
1 files changed, 110 insertions, 14 deletions
diff --git a/content/handlers/html/form_internal.h b/content/handlers/html/form_internal.h index f76f126b4..292a5df44 100644 --- a/content/handlers/html/form_internal.h +++ b/content/handlers/html/form_internal.h @@ -72,6 +72,8 @@ struct image_input_coords { /** Form control. */ struct form_control { void *node; /**< Corresponding DOM node */ + struct dom_string *node_value; /**< The last value sync'd with the DOM */ + bool syncing; /**< Set if a DOM sync is in-progress */ struct html_content *html; /**< HTML content containing control */ form_control_type type; /**< Type of control */ @@ -81,6 +83,7 @@ struct form_control { char *name; /**< Control name */ char *value; /**< Current value of control */ char *initial_value; /**< Initial value of control */ + char *last_synced_value; /**< The last value sync'd to the DOM */ bool disabled; /**< Whether control is disabled */ struct box *box; /**< Box for control */ @@ -177,6 +180,7 @@ struct form *form_new(void *node, const char *action, const char *target, */ void form_free(struct form *form); + /** * Create a struct form_control. * @@ -186,33 +190,53 @@ void form_free(struct form *form); */ struct form_control *form_new_control(void *node, form_control_type type); + +/** + * Add a control to the list of controls in a form. + * + * \param form The form to add the control to + * \param control The control to add + */ void form_add_control(struct form *form, struct form_control *control); + + +/** + * Free a struct form_control. + * + * \param control structure to free + */ 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 + * \param node the DOM node this option is associated with + * \return true on success, false on memory exhaustion + */ bool form_add_option(struct form_control *control, char *value, char *text, bool selected, void *node); -bool form_successful_controls(struct form *form, - struct form_control *submit_button, - struct fetch_multipart_data **successful_controls); + /** * Open a select menu for a select form control, creating it if necessary. * - * \param client_data data passed to the redraw callback - * \param control The select form control for which the menu is being opened - * \param redraw_callback The callback to redraw the select menu. - * \param c The content the select menu is opening for. - * \return false on memory exhaustion, true otherwise + * \param client_data data passed to the redraw callback + * \param control The select form control for which the menu is being opened + * \param redraw_callback The callback to redraw the select menu. + * \param c The content the select menu is opening for. + * \return NSERROR_OK on sucess else error code. */ -bool form_open_select_menu(void *client_data, +nserror form_open_select_menu(void *client_data, struct form_control *control, select_menu_redraw_callback redraw_callback, struct content *c); -void form_select_menu_callback(void *client_data, - int x, int y, int width, int height); - - /** * Destroy a select menu and free allocated memory. * @@ -237,15 +261,70 @@ bool form_redraw_select_menu(struct form_control *control, int x, int y, float scale, const struct rect *clip, const struct redraw_context *ctx); + +/** + * Check whether a clipping rectangle is completely contained in the + * select menu. + * + * \param control the select menu to check the clipping rectangle for + * \param scale the current browser window scale + * \param clip the clipping rectangle + * \return true if inside false otherwise + */ bool form_clip_inside_select_menu(struct form_control *control, float scale, const struct rect *clip); + + +/** + * Handle mouse action for the currently opened select menu. + * + * \param control the select menu which received the mouse action + * \param mouse current mouse state + * \param x X coordinate of click + * \param y Y coordinate of click + * \return text for the browser status bar or NULL if the menu has to be closed + */ const char *form_select_mouse_action(struct form_control *control, enum browser_mouse_state mouse, int x, int y); + + +/** + * Handle mouse drag end for the currently opened select menu. + * + * \param control the select menu which received the mouse drag end + * \param mouse current mouse state + * \param x X coordinate of drag end + * \param y Y coordinate of drag end + */ void form_select_mouse_drag_end(struct form_control *control, enum browser_mouse_state mouse, int x, int y); + + +/** + * Get the dimensions of a select menu. + * + * \param control the select menu to get the dimensions of + * \param width gets updated to menu width + * \param height gets updated to menu height + */ void form_select_get_dimensions(struct form_control *control, int *width, int *height); + +/** + * Callback for the core select menu. + */ +void form_select_menu_callback(void *client_data, + int x, int y, int width, int height); + + +/** + * Set a radio form control and clear the others in the group. + * + * \param radio form control of type GADGET_RADIO + */ +void form_radio_set(struct form_control *radio); + /** * navigate browser window based on form submission. * @@ -257,8 +336,25 @@ void form_select_get_dimensions(struct form_control *control, nserror form_submit(struct nsurl *page_url, struct browser_window *target, struct form *form, struct form_control *submit_button); -void form_radio_set(struct form_control *radio); +/** + * Update gadget value. + */ void form_gadget_update_value(struct form_control *control, char *value); + +/** + * Synchronise this gadget with its associated DOM node. + * + * If the DOM has changed and the gadget has not, the DOM's new value is + * imported into the gadget. If the gadget's value has changed and the DOM's + * has not, the gadget's value is pushed into the DOM. + * If both have changed, the gadget's value wins. + * + * \param control The form gadget to synchronise + * + * \note Currently this will only synchronise input gadgets (text/password) + */ +void form_gadget_sync_with_dom(struct form_control *control); + #endif |