netsurf/riscos/toolbar.h

543 lines
14 KiB
C

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