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551 lines
14 KiB
551 lines
14 KiB
/*
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* Copyright 2005 Richard Wilson <info@tinct.net>
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* Copyright 2010, 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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* Window toolbars (interface).
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*/
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#include <stdbool.h>
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#include "riscos/theme.h"
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#include "riscos/gui/button_bar.h"
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#include "riscos/gui/throbber.h"
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#include "riscos/gui/url_bar.h"
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#ifndef _NETSURF_RISCOS_TOOLBAR_H_
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#define _NETSURF_RISCOS_TOOLBAR_H_
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typedef enum {
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TOOLBAR_FLAGS_NONE = 0x00,
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TOOLBAR_FLAGS_DISPLAY = 0x01,
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TOOLBAR_FLAGS_EDIT = 0x02,
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} toolbar_flags;
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/**
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* Widget action types that the toolbar can pass on to clients.
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*/
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typedef enum {
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TOOLBAR_ACTION_NONE = 0,
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TOOLBAR_ACTION_BUTTON,
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TOOLBAR_ACTION_URL
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} toolbar_action_type;
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/**
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* Union to hold the different widget action data that can be passed
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* from widget via toolbar to client.
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*/
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union toolbar_action {
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button_bar_action button;
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url_bar_action url;
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};
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struct toolbar;
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struct toolbar_callbacks {
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/** Call on theme update */
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void (*theme_update)(void *, bool);
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/** Call on bar size change */
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void (*change_size)(void *);
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/** Call to update button states */
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void (*update_buttons)(void *);
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/** Call to handle user actions */
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void (*user_action)(void *, toolbar_action_type, union toolbar_action);
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/** Call to handle keypresses. */
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bool (*key_press)(void *, wimp_key *);
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/** Call on change to button order. */
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void (*save_buttons)(void *, char *);
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};
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#define ro_toolbar_menu_option_shade(toolbar) \
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(((toolbar) == NULL) || ro_toolbar_get_editing(toolbar))
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#define ro_toolbar_menu_buttons_tick(toolbar) \
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(ro_toolbar_get_display_buttons(toolbar) || \
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ro_toolbar_get_editing(toolbar))
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#define ro_toolbar_menu_url_tick(toolbar) \
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(ro_toolbar_get_display_url(toolbar))
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#define ro_toolbar_menu_throbber_tick(toolbar) \
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(ro_toolbar_get_display_throbber(toolbar))
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#define ro_toolbar_menu_edit_shade(toolbar) ((toolbar) == NULL)
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#define ro_toolbar_menu_edit_tick(toolbar) (ro_toolbar_get_editing(toolbar))
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/* The new toolbar API */
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/**
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* Initialise the RISC OS toolbar widget.
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*/
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void ro_toolbar_init(void);
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/**
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* Create a new toolbar, ready to have widgets added and to be attached to
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* a window. If a parent window is supplied, then the toolbar module will
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* handle the window attachments; if NULL, it is up to the client to sort this
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* out for itself.
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*
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* \param *descriptor The theme to apply, or NULL for the default.
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* \param parent The window to attach the toolbar to, or NULL.
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* \param style The theme style to apply.
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* \param bar_flags Toolbar flags for the new bar.
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* \param *callbacks A client callback block, or NULL for none.
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* \param *client_data A data pointer to pass to callbacks, or NULL.
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* \param *help The Help token prefix for interactive help.
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* \return The handle of the new bar, or NULL on failure.
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*/
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struct toolbar *ro_toolbar_create(struct theme_descriptor *descriptor,
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wimp_w parent, theme_style style, toolbar_flags bar_flags,
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const struct toolbar_callbacks *callbacks, void *client_data,
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const char *help);
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/**
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* Add a button bar to a toolbar, and configure the buttons.
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*
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* \param *toolbar The toolbar to take the button bar.
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* \param buttons[] The button definitions.
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* \param *button_order The initial button order to use.
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* \return true if the action completed; else false.
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*/
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bool ro_toolbar_add_buttons(struct toolbar *toolbar,
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const struct button_bar_buttons buttons[], char *button_order);
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/**
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* Add a throbber to a toolbar.
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*
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* \param *toolbar The toolbar to take the throbber.
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* \return true if the action completed; else false.
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*/
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bool ro_toolbar_add_throbber(struct toolbar *toolbar);
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/**
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* Add a URL bar to a toolbar.
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*
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* \param *toolbar The toolbar to take the URL bar.
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* \return true if the action completed; else false.
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*/
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bool ro_toolbar_add_url(struct toolbar *toolbar);
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/**
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* (Re-)build a toolbar to use the specified (or current) theme. If false
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* is returned, the toolbar may not be complete and should be deleted.
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*
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* \param *toolbar The toolbar to rebuild.
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* \return true if the action was successful; else false.
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*/
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bool ro_toolbar_rebuild(struct toolbar *toolbar);
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/**
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* Attach or re-attach a toolbar to its parent window.
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*
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* \param *toolbar The toolbar to attach.
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* \param parent The window to attach the toolbar to.
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* \return true if the operation succeeded; else false.
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*/
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bool ro_toolbar_attach(struct toolbar *toolbar, wimp_w parent);
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/**
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* Process a toolbar, updating its contents for a size or content change.
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*
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* \param *toolbar The toolbar to update.
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* \param width The width to reformat to, or -1 to use parent.
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* \param reformat true to force a widget reflow; else false.
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* \return true if the operation succeeded; else false.
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*/
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bool ro_toolbar_process(struct toolbar *toolbar, int width, bool reformat);
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/**
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* Destroy a toolbar after use.
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*
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* \param *toolbar The toolbar to destroy.
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*/
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void ro_toolbar_destroy(struct toolbar *toolbar);
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/**
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* Change the client data associated with a toolbar's callbacks.
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*
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* \param *toolbar the toolbar whose data is to be updated.
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* \param *client_data the new client data, or NULL for none.
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*/
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void ro_toolbar_update_client_data(struct toolbar *toolbar, void *client_data);
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/**
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* Force the update of all toolbars buttons to reflect the current state.
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*/
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void ro_toolbar_update_all_buttons(void);
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/**
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* Refresh a toolbar after it has been updated
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*
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* \param toolbar the toolbar to update
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*/
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void ro_toolbar_refresh(struct toolbar *toolbar);
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/**
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* Force the update of all toolbars to reflect the application of a new theme.
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*/
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void ro_toolbar_theme_update(void);
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/**
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* Find the toolbar associated with a given RO window handle.
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*
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* \param w the window handle to look up.
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* \return the toolbar handle, or NULL if a match wasn't found.
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*/
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struct toolbar *ro_toolbar_parent_window_lookup(wimp_w w);
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/**
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* Find the toolbar using a given RO window handle for its pane.
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*
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* \param w the window (pane) handle to look up.
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* \return the toolbar handle, or NULL if a match wasn't found.
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*/
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struct toolbar *ro_toolbar_window_lookup(wimp_w w);
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/**
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* Return the RO window handle of the parent window for a toolbar.
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*
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* \param *toolbar the toolbar to look up.
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* \return the RO window handle of the parent.
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*/
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wimp_w ro_toolbar_get_parent_window(struct toolbar *toolbar);
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/**
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* Return the RO window handle of a toolbar.
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*
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* \param *toolbar the toolbar to look up.
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* \return the RO window handle of the bar.
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*/
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wimp_w ro_toolbar_get_window(struct toolbar *toolbar);
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/**
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* Return the current height of a toolbar, allowing for available window
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* space.
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*
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* \param *toolbar The toolbar of interest.
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* \return The current toolbar height in OS units.
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*/
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int ro_toolbar_height(struct toolbar *toolbar);
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/**
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* Return the full height that a toolbar could grow to, if space is available.
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*
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* \param *toolbar The toolbar of interest.
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* \return The full toolbar height in OS units.
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*/
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int ro_toolbar_full_height(struct toolbar *toolbar);
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/**
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* Starts a toolbar throbber, if there is one active.
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*
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* \param *toolbar the toolbar to start throbbing.
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*/
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void ro_toolbar_start_throbbing(struct toolbar *toolbar);
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/**
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* Stops a toolbar throbber, if there is one active.
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*
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* \param *toolbar the toolbar to stop throbbing.
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*/
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void ro_toolbar_stop_throbbing(struct toolbar *toolbar);
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/**
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* Animate a toolbar throbber, if there is one active.
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*
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* \param *toolbar the toolbar to throb.
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*/
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void ro_toolbar_throb(struct toolbar *toolbar);
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/**
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* Change the arrangement of buttons and spacers on a button bar within a
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* toolbar.
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*
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* \param *toolbar The toolbar to change.
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* \param order[] The new button configuration.
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* \return true of the order was updated; else false.
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*/
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bool ro_toolbar_set_button_order(struct toolbar *toolbar, char order[]);
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/**
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* Set the shaded state of a toolbar button.
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*
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* \param *toolbar the toolbar to update.
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* \param action the button action to update.
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* \param shaded true if the button should be shaded; else false.
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*/
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void ro_toolbar_set_button_shaded_state(struct toolbar *toolbar,
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button_bar_action action, bool shaded);
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/**
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* Give a toolbar input focus, placing the caret into the URL bar if one is
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* present. Currently a toolbar can only accept focus if it has a URL bar.
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*
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* \param *toolbar The toolbar to take the caret.
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* \return true if the caret was taken; else false.
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*/
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bool ro_toolbar_take_caret(struct toolbar *toolbar);
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/**
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* Set the content of a toolbar's URL field.
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*
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* \param *toolbar the toolbar 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_toolbar_set_url(struct toolbar *toolbar, const char *url,
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bool is_utf8, bool set_caret);
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/**
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* Return a pointer to the URL contained in a browser toolbar. If the toolbar
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* doesn't have a URL field, then NULL is returned instead.
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*
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* \param *toolbar The toolbar 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_toolbar_get_url(struct toolbar *toolbar);
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/**
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* Update the state of the URL Bar hotlist icons in all open toolbars.
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*/
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void ro_toolbar_update_all_hotlists(void);
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/**
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* Update the state of a toolbar's URL Bar hotlist icon to reflect any changes
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* to the URL or the hotlist contents.
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*
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* \param *toolbar The toolbar to update.
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*/
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void ro_toolbar_update_hotlist(struct toolbar *toolbar);
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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 *toolbar The toolbar to look up.
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* \param *extent Return the coordinates.
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* \return true if successful; else false.
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*/
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bool ro_toolbar_get_url_field_extent(struct toolbar *toolbar, os_box *extent);
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/**
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* Update the favicon in a browser window toolbar to the supplied content, or
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* revert to using filetype-based icons.
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*
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* \param *toolbar The toolbar to refresh.
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* \param *h The new favicon to use, or NULL for none.
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*/
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void ro_toolbar_set_site_favicon(struct toolbar *toolbar,
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struct hlcache_handle *h);
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/**
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* Update the favicon in a browser window toolbar to reflect the RISC OS
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* filetype of the content within the supplied window. If the toolbar
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* currently has a site favicon set, then this call will be ignored.
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*
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* \param *toolbar The toolbar to refresh.
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* \param *g The gui window to set content favicon for.
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*/
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void ro_toolbar_set_content_favicon(struct toolbar *toolbar,
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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 toolbar.
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*
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* \param *toolbar The toolbar to update.
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*/
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void ro_toolbar_update_urlsuggest(struct toolbar *toolbar);
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/**
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* Set the display button bar state for a toolbar.
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*
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* \param *toolbar the toolbar to update.
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* \param display true to display the button bar; else false.
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*/
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void ro_toolbar_set_display_buttons(struct toolbar *toolbar, bool display);
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/**
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* Set the display URL bar state for a toolbar.
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*
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* \param *toolbar the toolbar to update.
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* \param display true to display the URL bar; else false.
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*/
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void ro_toolbar_set_display_url(struct toolbar *toolbar, bool display);
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/**
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* Set the display throbber state for a toolbar.
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*
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* \param *toolbar the toolbar to update.
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* \param display true to display the throbber; else false.
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*/
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void ro_toolbar_set_display_throbber(struct toolbar *toolbar, bool display);
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/**
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* Return true or false depending on whether the given toolbar is set to
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* display the button bar.
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*
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* \param *toolbar the toolbar of interest.
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* \return true if the toolbar exists and the button bar is
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* shown; else false.
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*/
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bool ro_toolbar_get_display_buttons(struct toolbar *toolbar);
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/**
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* Return true or false depending on whether the given toolbar is set to
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* display the URL bar.
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*
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* \param *toolbar the toolbar of interest.
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* \return true if the toolbar exists and the URL bar is
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* shown; else false.
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*/
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bool ro_toolbar_get_display_url(struct toolbar *toolbar);
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/**
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* Return true or false depending on whether the given toolbar is set to
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* display the throbber.
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*
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* \param *toolbar the toolbar of interest.
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* \return true if the toolbar exists and the throbber is
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* shown; else false.
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*/
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bool ro_toolbar_get_display_throbber(struct toolbar *toolbar);
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/**
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* Return true or false depending on whether the given toolbar is currently
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* being edited.
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*
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* \param *toolbar the toolbar of interest.
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* \return true if the toolbar exists and is beng edited;
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* else false.
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*/
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bool ro_toolbar_get_editing(struct toolbar *toolbar);
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/**
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* Toggle toolbar edit mode on the given toolbar. Only a button bar can be
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* edited, so edit mode can only be toggled if there's an editor button
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* bar defined.
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*
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* \param *toolbar The toolbar to be toggled.
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* \return true if the action was successful; false if
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* the action failed and the toolbar was destroyed.
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*/
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bool ro_toolbar_toggle_edit(struct toolbar *toolbar);
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/**
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* Update the page information indicator.
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*
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* \param toolbar the toolbar to update the page info in.
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*/
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void ro_toolbar_page_info_change(struct toolbar *toolbar);
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#endif
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