mirror of
https://github.com/netsurf-browser/netsurf
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108 lines
3.2 KiB
C
108 lines
3.2 KiB
C
/*
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* Copyright 2017 Vincent Sanders <vince@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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#ifndef FB_COREWINDOW_H
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#define FB_COREWINDOW_H
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#include "netsurf/core_window.h"
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/**
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* fb core window state
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*/
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struct fb_corewindow {
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/**
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* framebuffer toolkit window.
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*/
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struct fbtk_widget_s *wnd;
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/**
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* framebuffer toolkit horizontal scrollbar.
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*/
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struct fbtk_widget_s *hscroll;
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/**
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* framebuffer toolkit vertical scrollbar.
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*/
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struct fbtk_widget_s *vscroll;
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/**
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* framebuffer toolkit user drawable widget.
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*/
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struct fbtk_widget_s *drawable;
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int scrollx, scrolly; /**< scroll offsets. */
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/** drag status set by core */
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core_window_drag_status drag_status;
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/** table of callbacks for core window operations */
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struct core_window_callback_table *cb_table;
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/**
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* callback to draw on drawable area of fb core window
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*
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* \param fb_cw The fb core window structure.
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* \param r The rectangle of the window that needs updating.
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* \return NSERROR_OK on success otherwise apropriate error code
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*/
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nserror (*draw)(struct fb_corewindow *fb_cw, struct rect *r);
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/**
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* callback for keypress on fb core window
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*
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* \param fb_cw The fb core window structure.
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* \param nskey The netsurf key code.
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* \return NSERROR_OK if key processed,
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* NSERROR_NOT_IMPLEMENTED if key not processed
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* otherwise apropriate error code
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*/
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nserror (*key)(struct fb_corewindow *fb_cw, uint32_t nskey);
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/**
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* callback for mouse event on fb core window
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*
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* \param fb_cw The fb core window structure.
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* \param mouse_state mouse state
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* \param x location of event
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* \param y location of event
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* \return NSERROR_OK on sucess otherwise apropriate error code.
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*/
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nserror (*mouse)(struct fb_corewindow *fb_cw, browser_mouse_state mouse_state, int x, int y);
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};
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/**
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* initialise elements of fb core window.
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*
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* As a pre-requisite the draw, key and mouse callbacks must be defined
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*
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* \param fb_cw A fb core window structure to initialise
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* \return NSERROR_OK on successful initialisation otherwise error code.
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*/
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nserror fb_corewindow_init(fbtk_widget_t *parent, struct fb_corewindow *fb_cw);
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/**
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* finalise elements of fb core window.
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*
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* \param fb_cw A fb core window structure to initialise
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* \return NSERROR_OK on successful finalisation otherwise error code.
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*/
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nserror fb_corewindow_fini(struct fb_corewindow *fb_cw);
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#endif
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