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netsurf/riscos/gui/url_bar.h
2014-11-12 19:31:39 +00:00

330 lines
8.9 KiB
C

/*
* Copyright 2005 Richard Wilson <info@tinct.net>
* Copyright 2011 Stephen Fryatt <stevef@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
* URL bars (interface).
*/
#ifndef _NETSURF_RISCOS_URLBAR_H_
#define _NETSURF_RISCOS_URLBAR_H_
#include <stdbool.h>
#include "riscos/menus.h"
#include "riscos/theme.h"
/* A list of possible URL bar actions. */
typedef enum {
TOOLBAR_URL_NONE = 0, /* Special case: no action */
TOOLBAR_URL_DRAG_URL,
TOOLBAR_URL_DRAG_FAVICON,
TOOLBAR_URL_SELECT_HOTLIST,
TOOLBAR_URL_ADJUST_HOTLIST
} url_bar_action;
struct url_bar;
struct hlcache_handle;
/**
* Initialise the url bar module.
*
* \return True iff success, else false.
*/
bool ro_gui_url_bar_init(void);
/**
* Finalise the url bar module
*/
void ro_gui_url_bar_fini(void);
/**
* Create a new url bar widget.
*
* \param *theme The theme to apply (or NULL for the default).
* \return A url bar handle, or NULL on failure.
*/
struct url_bar *ro_gui_url_bar_create(struct theme_descriptor *theme);
/**
* Place a URL bar into a toolbar window and initialise any theme-specific
* settings. Any previous incarnation of the bar will be forgotten: this
* is for use when a new toolbar is being created, or when a toolbar has been
* deleted and rebuilt following a theme change.
*
* \param *url_bar The URL bar to rebuild.
* \param *theme The theme to apply (or NULL for current).
* \param style The theme style to apply.
* \param window The window that the bar is in.
* \param display true if the bar should be for display only.
* \param shaded true if the bar should be shaded; else false.
* \return true on success; else false.
*/
bool ro_gui_url_bar_rebuild(struct url_bar *url_bar,
struct theme_descriptor *theme, theme_style style,
wimp_w window, bool display, bool shaded);
/**
* Destroy a url bar widget.
*
* \param *url_bar The url bar to destroy.
*/
void ro_gui_url_bar_destroy(struct url_bar *url_bar);
/**
* Return the MINIMUM dimensions required by the URL bar, in RO units,
* allowing for the current theme.
*
* \param *url_bar The URL bar of interest.
* \param *width Return the required width.
* \param *height Return the required height.
* \return true if values are returned; else false.
*/
bool ro_gui_url_bar_get_dims(struct url_bar *url_bar,
int *width, int *height);
/**
* Set or update the dimensions to be used by the URL bar, in RO units.
* If these are greater than the minimum required, the URL bar will fill
* the extended space; if less, the call will fail.
*
* \param *url_bar The URL bar to update.
* \param x0 The minimum X window position.
* \param y0 The minimum Y window position.
* \param x1 The maximum X window position.
* \param y1 The maximum Y window position.
* \return true if size updated; else false.
*/
bool ro_gui_url_bar_set_extent(struct url_bar *url_bar,
int x0, int y0, int x1, int y1);
/**
* Show or hide a URL bar.
*
* \param *url_bar The URL bar to hide.
* \param hide true to hide the bar; false to show it.
* \return true if successful; else false.
*/
bool ro_gui_url_bar_hide(struct url_bar *url_bar, bool hide);
/**
* Handle redraw event rectangles in a URL bar.
*
* \param *url_bar The URL bar to use.
* \param *redraw The Wimp redraw rectangle to process.
*/
void ro_gui_url_bar_redraw(struct url_bar *url_bar, wimp_draw *redraw);
/**
* Handle mouse clicks in a URL bar.
*
* \param *url_bar The URL bar to use.
* \param *pointer The Wimp mouse click event data.
* \param *state The toolbar window state.
* \param *action Returns the selected action, or
* TOOLBAR_URL_NONE.
* \return true if the event was handled exclusively;
* else false.
*/
bool ro_gui_url_bar_click(struct url_bar *url_bar,
wimp_pointer *pointer, wimp_window_state *state,
url_bar_action *action);
/**
* Process offered menu prepare events from the parent window.
*
* \param *url_bar The URL bar in question.
* \param i The icon owning the menu.
* \param *menu The menu to be prepared.
* \param *pointer The Wimp Pointer data from the event.
* \return true if the event is claimed; else false.
*/
bool ro_gui_url_bar_menu_prepare(struct url_bar *url_bar, wimp_i i,
wimp_menu *menu, wimp_pointer *pointer);
/**
* Process offered menu select events from the parent window.
*
* \param *url_bar The URL bar in question.
* \param i The icon owning the menu.
* \param *menu The menu to be prepared.
* \param *selection The wimp menu selection data.
* \param action The selected menu action.
* \return true if the event is claimed; else false.
*/
bool ro_gui_url_bar_menu_select(struct url_bar *url_bar, wimp_i i,
wimp_menu *menu, wimp_selection *selection, menu_action action);
/**
* Translate mouse data into an interactive help message for the URL bar.
*
* \param *url_bar The URL bar to process.
* \param i The wimp icon under the pointer.
* \param *mouse The mouse position.
* \param *state The toolbar window state.
* \param buttons The mouse button state.
* \param **suffix Return a help token suffix, or "" for none.
* \return true if handled exclusively; else false.
*/
bool ro_gui_url_bar_help_suffix(struct url_bar *url_bar, wimp_i i,
os_coord *mouse, wimp_window_state *state,
wimp_mouse_state buttons, const char **suffix);
/**
* Give a URL bar input focus.
*
* \param *url_bar The URL bar to give focus to.
* \return true if successful; else false.
*/
bool ro_gui_url_bar_take_caret(struct url_bar *url_bar);
/**
* Set the content of a URL Bar field.
*
* \param *url_bar The URL Bar to update.
* \param *url The new url to insert.
* \param is_utf8 true if the string is in utf8 encoding; false
* if it is in local encoding.
* \param set_caret true if the caret should be placed in the field;
* else false.
*/
void ro_gui_url_bar_set_url(struct url_bar *url_bar, const char *url,
bool is_utf8, bool set_caret);
/**
* Update the state of a URL Bar's hotlist icon to reflect any changes to the
* URL or the contents of the hotlist.
*
* \param *url_bar The URL Bar to update.
*/
void ro_gui_url_bar_update_hotlist(struct url_bar *url_bar);
/**
* Return a pointer to the URL contained in a URL bar.
*
* \param *url_bar The URL Bar to look up the URL from.
* \return Pointer to the URL, or NULL.
*/
const char *ro_gui_url_bar_get_url(struct url_bar *url_bar);
/**
* Return the current work area coordinates of the URL and favicon field's
* bounding box.
*
* \param *url_bar The URL bar to check.
* \param *extent Returns the field extent.
* \return true if successful; else false.
*/
bool ro_gui_url_bar_get_url_extent(struct url_bar *url_bar, os_box *extent);
/**
* Test a pointer click to see if it was in the URL bar's text field.
*
* \param url_bar The URL Bar to test.
* \param pointer The pointer event data to test.
* \return true if the click was in the field; else false.
*/
bool ro_gui_url_bar_test_for_text_field_click(struct url_bar *url_bar,
wimp_pointer *pointer);
/**
* Test a keypress to see if it was in the URL bar's text field.
*
* \param url_bar The URL Bar to test.
* \param key The key pressed
* \return true if the keypress was in the field; else false.
*/
bool ro_gui_url_bar_test_for_text_field_keypress(struct url_bar *url_bar,
wimp_key *key);
/**
* Set the favicon to a site supplied favicon image, or remove the image
* and return to using filetype-based icons.
*
* \param *url_bar The URL Bar to update the favicon on.
* \param *h The content to use, or NULL to unset.
* \return true if successful; else false.
*/
bool ro_gui_url_bar_set_site_favicon(struct url_bar *url_bar,
struct hlcache_handle *h);
/**
* Set the favicon to a RISC OS filetype sprite based on the type of the
* content within the supplied window.
*
* \param *url_bar The URL Bar to update the favicon on.
* \param *g The window with the content to use.
* \return true if successful; else false.
*/
bool ro_gui_url_bar_set_content_favicon(struct url_bar *url_bar,
struct gui_window *g);
/**
* Update the state of the URL suggestion pop-up menu icon on a URL bar.
*
* \param *url_bar The URL bar to update.
* \return true if successful; else false.
*/
bool ro_gui_url_bar_update_urlsuggest(struct url_bar *url_bar);
#endif