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342 lines
9.1 KiB
342 lines
9.1 KiB
/*
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* Copyright 2005 Richard Wilson <info@tinct.net>
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* Copyright 2011 Stephen Fryatt <stevef@netsurf-browser.org>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** \file
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* URL bars (interface).
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*/
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#ifndef _NETSURF_RISCOS_URLBAR_H_
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#define _NETSURF_RISCOS_URLBAR_H_
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#include <stdbool.h>
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#include "riscos/menus.h"
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#include "riscos/theme.h"
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/* A list of possible URL bar actions. */
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typedef enum {
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TOOLBAR_URL_NONE = 0, /* Special case: no action */
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TOOLBAR_URL_DRAG_URL,
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TOOLBAR_URL_DRAG_FAVICON,
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TOOLBAR_URL_SELECT_HOTLIST,
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TOOLBAR_URL_ADJUST_HOTLIST,
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TOOLBAR_URL_SELECT_PGINFO,
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TOOLBAR_URL_ADJUST_PGINFO
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} url_bar_action;
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struct url_bar;
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struct hlcache_handle;
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struct gui_window;
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/**
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* Initialise the url bar module.
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*
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* \return True iff success, else false.
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*/
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bool ro_gui_url_bar_init(void);
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/**
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* Finalise the url bar module
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*/
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void ro_gui_url_bar_fini(void);
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/**
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* Create a new url bar widget.
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*
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* \param *theme The theme to apply (or NULL for the default).
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* \return A url bar handle, or NULL on failure.
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*/
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struct url_bar *ro_gui_url_bar_create(struct theme_descriptor *theme);
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/**
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* Place a URL bar into a toolbar window and initialise any theme-specific
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* settings. Any previous incarnation of the bar will be forgotten: this
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* is for use when a new toolbar is being created, or when a toolbar has been
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* deleted and rebuilt following a theme change.
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*
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* \param *url_bar The URL bar to rebuild.
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* \param *theme The theme to apply (or NULL for current).
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* \param style The theme style to apply.
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* \param window The window that the bar is in.
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* \param display true if the bar should be for display only.
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* \param shaded true if the bar should be shaded; else false.
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* \return true on success; else false.
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*/
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bool ro_gui_url_bar_rebuild(struct url_bar *url_bar,
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struct theme_descriptor *theme, theme_style style,
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wimp_w window, bool display, bool shaded);
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/**
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* Destroy a url bar widget.
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*
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* \param *url_bar The url bar to destroy.
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*/
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void ro_gui_url_bar_destroy(struct url_bar *url_bar);
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/**
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* Return the MINIMUM dimensions required by the URL bar, in RO units,
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* allowing for the current theme.
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*
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* \param *url_bar The URL bar of interest.
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* \param *width Return the required width.
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* \param *height Return the required height.
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* \return true if values are returned; else false.
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*/
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bool ro_gui_url_bar_get_dims(struct url_bar *url_bar,
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int *width, int *height);
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/**
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* Set or update the dimensions to be used by the URL bar, in RO units.
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* If these are greater than the minimum required, the URL bar will fill
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* the extended space; if less, the call will fail.
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*
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* \param *url_bar The URL bar to update.
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* \param x0 The minimum X window position.
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* \param y0 The minimum Y window position.
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* \param x1 The maximum X window position.
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* \param y1 The maximum Y window position.
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* \return true if size updated; else false.
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*/
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bool ro_gui_url_bar_set_extent(struct url_bar *url_bar,
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int x0, int y0, int x1, int y1);
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/**
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* Show or hide a URL bar.
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*
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* \param *url_bar The URL bar to hide.
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* \param hide true to hide the bar; false to show it.
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* \return true if successful; else false.
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*/
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bool ro_gui_url_bar_hide(struct url_bar *url_bar, bool hide);
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/**
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* Handle redraw event rectangles in a URL bar.
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*
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* \param *url_bar The URL bar to use.
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* \param *redraw The Wimp redraw rectangle to process.
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*/
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void ro_gui_url_bar_redraw(struct url_bar *url_bar, wimp_draw *redraw);
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/**
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* Handle mouse clicks in a URL bar.
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*
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* \param *url_bar The URL bar to use.
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* \param *pointer The Wimp mouse click event data.
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* \param *state The toolbar window state.
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* \param *action Returns the selected action, or
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* TOOLBAR_URL_NONE.
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* \return true if the event was handled exclusively;
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* else false.
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*/
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bool ro_gui_url_bar_click(struct url_bar *url_bar,
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wimp_pointer *pointer, wimp_window_state *state,
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url_bar_action *action);
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/**
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* Process offered menu prepare events from the parent window.
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*
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* \param *url_bar The URL bar in question.
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* \param i The icon owning the menu.
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* \param *menu The menu to be prepared.
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* \param *pointer The Wimp Pointer data from the event.
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* \return true if the event is claimed; else false.
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*/
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bool ro_gui_url_bar_menu_prepare(struct url_bar *url_bar, wimp_i i,
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wimp_menu *menu, wimp_pointer *pointer);
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/**
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* Process offered menu select events from the parent window.
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*
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* \param *url_bar The URL bar in question.
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* \param i The icon owning the menu.
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* \param *menu The menu to be prepared.
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* \param *selection The wimp menu selection data.
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* \param action The selected menu action.
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* \return true if the event is claimed; else false.
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*/
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bool ro_gui_url_bar_menu_select(struct url_bar *url_bar, wimp_i i,
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wimp_menu *menu, wimp_selection *selection, menu_action action);
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/**
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* Translate mouse data into an interactive help message for the URL bar.
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*
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* \param *url_bar The URL bar to process.
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* \param i The wimp icon under the pointer.
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* \param *mouse The mouse position.
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* \param *state The toolbar window state.
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* \param buttons The mouse button state.
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* \param **suffix Return a help token suffix, or "" for none.
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* \return true if handled exclusively; else false.
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*/
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bool ro_gui_url_bar_help_suffix(struct url_bar *url_bar, wimp_i i,
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os_coord *mouse, wimp_window_state *state,
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wimp_mouse_state buttons, const char **suffix);
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/**
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* Give a URL bar input focus.
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*
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* \param *url_bar The URL bar to give focus to.
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* \return true if successful; else false.
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*/
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bool ro_gui_url_bar_take_caret(struct url_bar *url_bar);
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/**
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* Set the content of a URL Bar field.
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*
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* \param *url_bar The URL Bar to update.
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* \param *url The new url to insert.
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* \param is_utf8 true if the string is in utf8 encoding; false
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* if it is in local encoding.
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* \param set_caret true if the caret should be placed in the field;
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* else false.
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*/
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void ro_gui_url_bar_set_url(struct url_bar *url_bar, const char *url,
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bool is_utf8, bool set_caret);
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/**
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* Update the state of a URL Bar's hotlist icon to reflect any changes to the
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* URL or the contents of the hotlist.
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*
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* \param *url_bar The URL Bar to update.
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*/
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void ro_gui_url_bar_update_hotlist(struct url_bar *url_bar);
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/**
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* Return a pointer to the URL contained in a URL bar.
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*
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* \param *url_bar The URL Bar to look up the URL from.
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* \return Pointer to the URL, or NULL.
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*/
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const char *ro_gui_url_bar_get_url(struct url_bar *url_bar);
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/**
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* Return the current work area coordinates of the URL and favicon field's
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* bounding box.
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*
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* \param *url_bar The URL bar to check.
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* \param *extent Returns the field extent.
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* \return true if successful; else false.
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*/
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bool ro_gui_url_bar_get_url_extent(struct url_bar *url_bar, os_box *extent);
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/**
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* Test a pointer click to see if it was in the URL bar's text field.
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*
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* \param url_bar The URL Bar to test.
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* \param pointer The pointer event data to test.
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* \return true if the click was in the field; else false.
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*/
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bool ro_gui_url_bar_test_for_text_field_click(struct url_bar *url_bar,
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wimp_pointer *pointer);
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/**
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* Test a keypress to see if it was in the URL bar's text field.
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*
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* \param url_bar The URL Bar to test.
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* \param key The key pressed
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* \return true if the keypress was in the field; else false.
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*/
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bool ro_gui_url_bar_test_for_text_field_keypress(struct url_bar *url_bar,
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wimp_key *key);
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/**
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* Set the favicon to a site supplied favicon image, or remove the image
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* and return to using filetype-based icons.
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*
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* \param *url_bar The URL Bar to update the favicon on.
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* \param *h The content to use, or NULL to unset.
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* \return true if successful; else false.
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*/
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bool ro_gui_url_bar_set_site_favicon(struct url_bar *url_bar,
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struct hlcache_handle *h);
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/**
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* Set the favicon to a RISC OS filetype sprite based on the type of the
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* content within the supplied window.
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*
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* \param *url_bar The URL Bar to update the favicon on.
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* \param *g The window with the content to use.
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* \return true if successful; else false.
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*/
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bool ro_gui_url_bar_set_content_favicon(struct url_bar *url_bar,
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struct gui_window *g);
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/**
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* Update the state of the URL suggestion pop-up menu icon on a URL bar.
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*
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* \param *url_bar The URL bar to update.
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* \return true if successful; else false.
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*/
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bool ro_gui_url_bar_update_urlsuggest(struct url_bar *url_bar);
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/**
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* Update the page info icon
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*
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* \param url_bar The URL bar to update.
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* \return true if successful; else false.
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*/
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bool ro_gui_url_bar_page_info_change(struct url_bar *url_bar);
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#endif
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