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Diffstat (limited to 'render/form_internal.h')
| -rw-r--r-- | render/form_internal.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/render/form_internal.h b/render/form_internal.h new file mode 100644 index 000000000..e6df14b4e --- /dev/null +++ b/render/form_internal.h @@ -0,0 +1,125 @@ +/* + * Copyright 2014 Vincent Sanders <vince@netsurf-browser.org> + * + * This file is part of NetSurf, http://www.netsurf-browser.org/ + * + * NetSurf is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * NetSurf is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +/** + * \file + * Interface to form handling functions internal to render. + */ + +#ifndef _NETSURF_RENDER_FORM_INTERNAL_H_ +#define _NETSURF_RENDER_FORM_INTERNAL_H_ + +#include "render/form.h" + +/** Form submit method. */ +typedef enum { + method_GET, /**< GET, always url encoded. */ + method_POST_URLENC, /**< POST, url encoded. */ + method_POST_MULTIPART /**< POST, multipart/form-data. */ +} form_method; + +/** HTML form. */ +struct form { + void *node; /**< Corresponding DOM node */ + + char *action; /**< Absolute URL to submit to. */ + char *target; /**< Target to submit to. */ + form_method method; /**< Method and enctype. */ + char *accept_charsets; /**< Charset to submit form in */ + char *document_charset; /**< Charset of document containing form */ + struct form_control *controls; /**< Linked list of controls. */ + struct form_control *last_control; /**< Last control in list. */ + + struct form *prev; /**< Previous form in doc. */ +}; + +/** + * Called by the select menu when it wants an area to be redrawn. The + * coordinates are menu origin relative. + * + * \param client_data data which was passed to form_open_select_menu + * \param x X coordinate of redraw rectangle + * \param y Y coordinate of redraw rectangle + * \param width width of redraw rectangle + * \param height height of redraw rectangle + */ +typedef void(*select_menu_redraw_callback)(void *client_data, + int x, int y, int width, int height); + +/** + * Create a struct form. + * + * \param node DOM node associated with form + * \param action URL to submit form to, or NULL for default + * \param target Target frame of form, or NULL for default + * \param method method and enctype + * \param charset acceptable encodings for form submission, or NULL + * \param doc_charset encoding of containing document, or NULL + * \param html HTML content containing form + * \return a new structure, or NULL on memory exhaustion + */ +struct form *form_new(void *node, const char *action, const char *target, + form_method method, const char *charset, + const char *doc_charset); +void form_free(struct form *form); + +/** + * Create a struct form_control. + * + * \param node Associated DOM node + * \param type control type + * \return a new structure, or NULL on memory exhaustion + */ +struct form_control *form_new_control(void *node, form_control_type type); + +void form_add_control(struct form *form, struct form_control *control); +void form_free_control(struct form_control *control); +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); +bool form_successful_controls_dom(struct form *form, + struct form_control *submit_button, + struct fetch_multipart_data **successful_controls); + +bool 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); +void form_free_select_menu(struct form_control *control); +bool form_redraw_select_menu(struct form_control *control, int x, int y, + float scale, const struct rect *clip, + const struct redraw_context *ctx); +bool form_clip_inside_select_menu(struct form_control *control, float scale, + const struct rect *clip); +const char *form_select_mouse_action(struct form_control *control, + enum browser_mouse_state mouse, int x, int y); +void form_select_mouse_drag_end(struct form_control *control, + enum browser_mouse_state mouse, int x, int y); +void form_select_get_dimensions(struct form_control *control, + int *width, int *height); +void 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); + +void form_gadget_update_value(struct form_control *control, char *value); + +#endif |