You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
netsurf/frontends/gtk/corewindow.h

107 lines
3.0 KiB

/*
* Copyright 2016 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 GTK_COREWINDOW_H
#define GTK_COREWINDOW_H
#include "netsurf/core_window.h"
extern struct core_window_table *nsgtk_core_window_table;
/**
* nsgtk core window mouse state
*/
struct nsgtk_corewindow_mouse {
browser_mouse_state state; /**< last event status */
bool pressed;
int pressed_x;
int pressed_y;
int last_x;
int last_y;
};
/**
* nsgtk core window state
*/
struct nsgtk_corewindow {
/* public variables */
/** GTK drawable widget */
GtkDrawingArea *drawing_area;
/** scrollable area drawing area is within */
GtkScrolledWindow *scrolled;
/* private variables */
/** Input method */
GtkIMContext *input_method;
/** mouse state */
struct nsgtk_corewindow_mouse mouse_state;
/** drag status set by core */
core_window_drag_status drag_status;
/**
* callback to draw on drawable area of nsgtk core window
*
* \param nsgtk_cw The nsgtk core window structure.
* \param r The rectangle of the window that needs updating.
* \return NSERROR_OK on success otherwise appropriate error code
*/
nserror (*draw)(struct nsgtk_corewindow *nsgtk_cw, struct rect *r);
/**
* callback for keypress on nsgtk core window
*
* \param nsgtk_cw The nsgtk core window structure.
* \param nskey The netsurf key code.
* \return NSERROR_OK if key processed,
* NSERROR_NOT_IMPLEMENTED if key not processed
* otherwise appropriate error code
*/
nserror (*key)(struct nsgtk_corewindow *nsgtk_cw, uint32_t nskey);
/**
* callback for mouse event on nsgtk core window
*
* \param nsgtk_cw The nsgtk core window structure.
* \param mouse_state mouse state
* \param x location of event
* \param y location of event
* \return NSERROR_OK on success otherwise appropriate error code.
*/
nserror (*mouse)(struct nsgtk_corewindow *nsgtk_cw, browser_mouse_state mouse_state, int x, int y);
};
/**
* initialise elements of gtk core window.
*
* \param nsgtk_cw A gtk core window structure to initialise
* \return NSERROR_OK on successful initialisation otherwise error code.
*/
nserror nsgtk_corewindow_init(struct nsgtk_corewindow *nsgtk_cw);
/**
* finalise elements of gtk core window.
*
* \param nsgtk_cw A gtk core window structure to initialise
* \return NSERROR_OK on successful finalisation otherwise error code.
*/
nserror nsgtk_corewindow_fini(struct nsgtk_corewindow *nsgtk_cw);
#endif