netsurf/desktop/core_window.h

86 lines
2.3 KiB
C

/*
* Copyright 2012 Michael Drake <tlsa@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
* Core window handling (interface).
*/
#ifndef _NETSURF_DESKTOP_CORE_WINDOW_H_
#define _NETSURF_DESKTOP_CORE_WINDOW_H_
#include "utils/types.h"
struct core_window;
typedef enum {
CORE_WINDOW_DRAG_NONE,
CORE_WINDOW_DRAG_SELECTION,
CORE_WINDOW_DRAG_TEXT_SELECTION,
CORE_WINDOW_DRAG_MOVE
} core_window_drag_status;
/** Callbacks to achieve various core window functionality. */
struct core_window_callback_table {
/**
* Request a redraw of the window
*
* \param cw the core window object
* \param r rectangle to redraw
*/
void (*redraw_request)(struct core_window *cw, struct rect r);
/**
* Update the limits of the window
*
* \param cw the core window object
* \param width the width in px, or negative if don't care
* \param height the height in px, or negative if don't care
*/
void (*update_size)(struct core_window *cw, int width, int height);
/**
* Scroll the window to make area visible
*
* \param cw the core window object
* \param r rectangle to make visible
*/
void (*scroll_visible)(struct core_window *cw, struct rect r);
/**
* Get window viewport dimensions
*
* \param cw the core window object
* \param width to be set to viewport width in px, if non NULL
* \param height to be set to viewport height in px, if non NULL
*/
void (*get_window_dimensions)(struct core_window *cw,
int *width, int *height);
/**
* Inform corewindow owner of drag status
*
* \param cw the core window object
* \param ds the current drag status
*/
void (*drag_status)(struct core_window *cw,
core_window_drag_status ds);
};
#endif