mirror of
https://github.com/netsurf-browser/netsurf
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58 lines
2.3 KiB
C
Executable File
58 lines
2.3 KiB
C
Executable File
/*
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* Copyright 2010 Ole Loots <ole@monochrom.net>
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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 NS_SLIDER_H_INCLUDED
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#define NS_SLIDER_H_INCLUDED
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/* -------------------------------------------------------------------------- */
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/* Slider Interface: */
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/* -------------------------------------------------------------------------- */
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#define BR_SCROLLBAR_SZ 16
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/* Calculate how many pixel an specific page of the content contains */
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#define SLIDER_PIXELS_ON_PAGE( long content_dim, long workarea_dim, long page )\
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min( workarea_dim, content_dim - page * workarea_dim)
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/* Returns max internal slider pos, counting from zero */
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#define SLIDER_MAX_POS(content_dim, workarea_dim) max( 0, content_dim - workarea_dim)
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/* Calculate the number of content-"pages" for window size */
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long inline slider_pages( long content_dim, long workarea_dim );
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float inline slider_pages_dec( long content_dim, long workarea_dim )
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/* Convert content size into gem slider size ( 0 - 1000 ) */
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int inline slider_gem_size( long content_dim, long workarea_dim );
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/* convert internal slider position to gem slider position */
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int slider_pos_to_gem_pos( long content_dim, long workarea_dim, long slider_pos );
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/* convert gem slider pos to "internal" pos system */
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long slider_gem_pos_to_pos( long content_dim, long workarea_dim, int slider_pos );
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/* Calculate the gem slider mover size into pixel size */
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long slider_gem_size_to_res( long workarea_dim, int gem_size );
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/* Convert the gem Slider pos to an pixel value */
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long slider_gem_pos_to_res( long content_dim, long workarea_dim, int gem_pos );
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#endif
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