mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-22 04:02:34 +03:00
1ee32fe962
So that we can eventually navigate around local history by keyboard, add the concept of a history cursor to the local history core window. Signed-off-by: Daniel Silverstone <dsilvers@digital-scurf.org>
152 lines
5.2 KiB
C
152 lines
5.2 KiB
C
/*
|
|
* Copyright 2017 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/>.
|
|
*/
|
|
|
|
#ifndef NETSURF_DESKTOP_LOCAL_HISTORY_H
|
|
#define NETSURF_DESKTOP_LOCAL_HISTORY_H
|
|
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
|
|
#include "utils/errors.h"
|
|
#include "netsurf/mouse.h"
|
|
|
|
struct core_window_callback_table;
|
|
struct redraw_context;
|
|
struct nsurl;
|
|
struct rect;
|
|
struct local_history_session;
|
|
struct browser_window;
|
|
|
|
/**
|
|
* Initialise the local history.
|
|
*
|
|
* This iterates through the history object of a browser window and
|
|
* creates tree of visited pages with thumbnails which may be selected
|
|
* to cause navigation.
|
|
*
|
|
* This must be called before any other local_history_* function.
|
|
*
|
|
* \param[in] cw_t Callback table for core_window containing the treeview.
|
|
* \param[in] core_window_handle The core_window in which the treeview is shown.
|
|
* \param[in] bw browser window to show history of.
|
|
* \param[out] session The created local history session context.
|
|
* \return NSERROR_OK on success and session set, appropriate error code otherwise
|
|
*/
|
|
nserror local_history_init(struct core_window_callback_table *cw_t,
|
|
void *core_window_handle,
|
|
struct browser_window *bw,
|
|
struct local_history_session **session);
|
|
|
|
/**
|
|
* Finalise the local history.
|
|
*
|
|
* This destroys the local history view and the local history module's
|
|
* internal data. After calling this if local history is required again,
|
|
* local_history_init must be called to create a new session.
|
|
*
|
|
* \param session The local history session to finalise.
|
|
* \return NSERROR_OK on success and session freed appropriate error otherwise
|
|
*/
|
|
nserror local_history_fini(struct local_history_session *session);
|
|
|
|
|
|
/**
|
|
* Redraw the local history.
|
|
*
|
|
* Causes the local history viewer to issue plot operations to redraw
|
|
* the specified area of the viewport.
|
|
*
|
|
* \param[in] session The local history session context.
|
|
* \param[in] x X coordinate to render history at
|
|
* \param[in] y Y coordinate to render history at
|
|
* \param[in] clip Current clip rectangle (wrt tree origin)
|
|
* \param[in] ctx Current redraw context
|
|
*/
|
|
nserror local_history_redraw(struct local_history_session *session, int x, int y, struct rect *clip, const struct redraw_context *ctx);
|
|
|
|
|
|
/**
|
|
* Handles all kinds of mouse action
|
|
*
|
|
* \param[in] session The local history session context.
|
|
* \param[in] mouse The current mouse state
|
|
* \param[in] x The current mouse X coordinate
|
|
* \param[in] y The current mouse Y coordinate
|
|
* \return NSERROR_OK if mouse action was processed.
|
|
* NSERROR_NOT_FOUND if nothing under the pointer where it was clicked
|
|
* NSERROR_NOT_IMPLEMENTED if the action was not processed.
|
|
* NSERROR_PERMISSION if the clicked item was the current page
|
|
*/
|
|
nserror local_history_mouse_action(struct local_history_session *session, enum browser_mouse_state mouse, int x, int y);
|
|
|
|
|
|
/**
|
|
* Key press handling.
|
|
*
|
|
* \param[in] session The local history session context.
|
|
* \param[in] key The ucs4 character codepoint
|
|
* \return true if the keypress is dealt with, false otherwise.
|
|
*/
|
|
bool local_history_keypress(struct local_history_session *session, uint32_t key);
|
|
|
|
|
|
/**
|
|
* Change the browser window to draw local history for.
|
|
*
|
|
* \param[in] session The local history session context.
|
|
* \param bw browser window to show history of.
|
|
* \return NSERROR_OK or appropriate error code.
|
|
*/
|
|
nserror local_history_set(struct local_history_session *session, struct browser_window *bw);
|
|
|
|
|
|
/**
|
|
* get size of local history content area.
|
|
*
|
|
* \param[in] session The local history session context.
|
|
* \param[out] width on sucessful return the width of the localhistory content
|
|
* \param[out] height on sucessful return the height of the localhistory content
|
|
* \return NSERROR_OK or appropriate error code.
|
|
*/
|
|
nserror local_history_get_size(struct local_history_session *session, int *width, int *height);
|
|
|
|
|
|
/**
|
|
* get url of entry at position in local history content area.
|
|
*
|
|
* \todo the returned url should be a referenced nsurl.
|
|
*
|
|
* \param[in] session The local history session context.
|
|
* \param[in] x The x coordinate to get url of.
|
|
* \param[in] y The y coordinate to get url of.
|
|
* \param[out] url_out referenced url.
|
|
* \return NSERROR_OK and url_out updated or NSERROR_NOT_FOUND if no url at
|
|
* location.
|
|
*/
|
|
nserror local_history_get_url(struct local_history_session *session, int x, int y, struct nsurl **url_out);
|
|
|
|
/**
|
|
* Scroll the local history window to ensure the current cursor is shown.
|
|
*
|
|
* \param session The local history session
|
|
*/
|
|
nserror local_history_scroll_to_cursor(struct local_history_session *session);
|
|
|
|
|
|
#endif
|