1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
/*
* Copyright 2010 Ole Loots <ole@monochrom.net>
*
* 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 NS_SLIDER_H_INCLUDED
#define NS_SLIDER_H_INCLUDED
/* -------------------------------------------------------------------------- */
/* Slider Interface: */
/* -------------------------------------------------------------------------- */
#define BR_SCROLLBAR_SZ 16
/* Calculate how many pixel an specific page of the content contains */
#define SLIDER_PIXELS_ON_PAGE( long content_dim, long workarea_dim, long page )\
min( workarea_dim, content_dim - page * workarea_dim)
/* Returns max internal slider pos, counting from zero */
#define SLIDER_MAX_POS(content_dim, workarea_dim) max( 0, content_dim - workarea_dim)
/* Calculate the number of content-"pages" for window size */
long inline slider_pages( long content_dim, long workarea_dim );
float inline slider_pages_dec( long content_dim, long workarea_dim )
/* Convert content size into gem slider size ( 0 - 1000 ) */
int inline slider_gem_size( long content_dim, long workarea_dim );
/* convert internal slider position to gem slider position */
int slider_pos_to_gem_pos( long content_dim, long workarea_dim, long slider_pos );
/* convert gem slider pos to "internal" pos system */
long slider_gem_pos_to_pos( long content_dim, long workarea_dim, int slider_pos );
/* Calculate the gem slider mover size into pixel size */
long slider_gem_size_to_res( long workarea_dim, int gem_size );
/* Convert the gem Slider pos to an pixel value */
long slider_gem_pos_to_res( long content_dim, long workarea_dim, int gem_pos );
#endif
|