rxvt-unicode/src/scrollbar.h

#ifndef SCROLLBAR_H
#define SCROLLBAR_H

#include <X11/Xlib.h>

struct rxvt_term;

typedef struct {
  char            state;        /* scrollbar state                          */
  char            init;         /* scrollbar has been initialised           */
  unsigned int    beg;          /* slider sub-window begin height           */
  unsigned int    end;          /* slider sub-window end height             */
  unsigned int    top;          /* slider top position                      */
  unsigned int    bot;          /* slider bottom position                   */
  unsigned int    style;        /* style: rxvt, xterm, next                 */
  unsigned int    width;        /* scrollbar width                          */
  int             shadow;       /* scrollbar shadow width                   */
  Window          win;
  int             (rxvt_term::*update)(int, int, int, int);

  void setIdle()   { state =  1 ; }
  void setMotion() { state = 'm'; }
  void setUp()     { state = 'U'; }
  void setDn()     { state = 'D'; }
} scrollBar_t;

#define scrollbar_TotalWidth()  (scrollBar.width + scrollBar.shadow * 2)
#define scrollbar_isMotion()    (scrollBar.state == 'm')
#define scrollbar_isUp()        (scrollBar.state == 'U')
#define scrollbar_isDn()        (scrollBar.state == 'D')
#define scrollbar_isUpDn()      isupper (scrollBar.state)
#define isScrollbarWindow(w)    (scrollBar.state && (w) == scrollBar.win)

#define scrollbarnext_dnval()   (scrollBar.end + (scrollBar.width + 1))
#define scrollbarnext_upButton(y)       ((y) > scrollBar.end \
                                         && (y) <= scrollbarnext_dnval ())
#define scrollbarnext_dnButton(y)       ((y) > scrollbarnext_dnval())
#define SCROLLNEXT_MINHEIGHT    SB_THUMB_MIN_HEIGHT
#define scrollbarrxvt_upButton(y)       ((y) < scrollBar.beg)
#define scrollbarrxvt_dnButton(y)       ((y) > scrollBar.end)
#define SCROLLRXVT_MINHEIGHT    10
#define SCROLLXTERM_MINHEIGHT   10

#define scrollbar_minheight()   (scrollBar.style == R_SB_NEXT        \
                                 ? SCROLLNEXT_MINHEIGHT                 \
                                 : SCROLLRXVT_MINHEIGHT)
#define scrollbar_above_slider(y)       ((y) < scrollBar.top)
#define scrollbar_below_slider(y)       ((y) > scrollBar.bot)
#define scrollbar_position(y)           ((y) - scrollBar.beg)
#define scrollbar_size()                (scrollBar.end - scrollBar.beg \
                                         - scrollbar_minheight ())

#define R_SB_ALIGN_CENTRE       0
#define R_SB_ALIGN_TOP          1
#define R_SB_ALIGN_BOTTOM       2

#define R_SB_NEXT               1
#define R_SB_XTERM              2
#define R_SB_PLAIN              4
#define R_SB_RXVT               8

#define SB_WIDTH_NEXT           19
#define SB_WIDTH_XTERM          15
#define SB_WIDTH_PLAIN          7
#ifndef SB_WIDTH_RXVT
# define SB_WIDTH_RXVT          10
#endif

/*
 * NeXT scrollbar defines
 */
#define SB_PADDING              1
#define SB_BORDER_WIDTH         1
#define SB_BEVEL_WIDTH_UPPER_LEFT       1
#define SB_BEVEL_WIDTH_LOWER_RIGHT      2
#define SB_LEFT_PADDING         (SB_PADDING + SB_BORDER_WIDTH)
#define SB_MARGIN_SPACE         (SB_PADDING * 2)
#define SB_BUTTON_WIDTH         (SB_WIDTH_NEXT - SB_MARGIN_SPACE - SB_BORDER_WIDTH)
#define SB_BUTTON_HEIGHT        (SB_BUTTON_WIDTH)
#define SB_BUTTON_SINGLE_HEIGHT (SB_BUTTON_HEIGHT + SB_PADDING)
#define SB_BUTTON_BOTH_HEIGHT   (SB_BUTTON_SINGLE_HEIGHT * 2)
#define SB_BUTTON_TOTAL_HEIGHT  (SB_BUTTON_BOTH_HEIGHT + SB_PADDING)
#define SB_BUTTON_BEVEL_X       (SB_LEFT_PADDING)
#define SB_BUTTON_FACE_X        (SB_BUTTON_BEVEL_X + SB_BEVEL_WIDTH_UPPER_LEFT)
#define SB_THUMB_MIN_HEIGHT     (SB_BUTTON_WIDTH - (SB_PADDING * 2))
 /*
  *    +-------------+
  *    |             | <---< SB_PADDING
  *    | ::::::::::: |
  *    | ::::::::::: |
  *   '''''''''''''''''
  *   ,,,,,,,,,,,,,,,,,
  *    | ::::::::::: |
  *    | ::::::::::: |
  *    |  +---------------< SB_BEVEL_WIDTH_UPPER_LEFT
  *    |  | :::::::: |
  *    |  V :::: vv-------< SB_BEVEL_WIDTH_LOWER_RIGHT
  *    | +---------+ |
  *    | | ......%%| |
  *    | | ......%%| |
  *    | | .. ()..%%| |
  *    | | ......%%| |
  *    | | %%%%%%%%| |
  *    | +---------+ | <.........................
  *    |             | <---< SB_PADDING         :
  *    | +---------+ | <-+..........            :---< SB_BUTTON_TOTAL_HEIGHT
  *    | | ......%%| |   |         :            :
  *    | | ../\..%%| |   |---< SB_BUTTON_HEIGHT :
  *    | | %%%%%%%%| |   |         :            :
  *    | +---------+ | <-+         :            :
  *    |             |             :            :
  *    | +---------+ | <-+         :---< SB_BUTTON_BOTH_HEIGHT
  *    | | ......%%| |   |         :            :
  *    | | ..\/..%%| |   |         :            :
  *    | | %%%%%%%%| |   |---< SB_BUTTON_SINGLE_HEIGHT
  *    | +---------+ |   |         :            :
  *    |             |   |         :            :
  *    +-------------+ <-+.........:............:
  *    ^^|_________| :
  *    ||     |      :
  *    ||     +---< SB_BUTTON_WIDTH
  *    ||            :
  *    |+------< SB_PADDING
  *    |:            :
  *    +----< SB_BORDER_WIDTH
  *     :            :
  *     :............:
  *           |
  *           +---< SB_WIDTH_NEXT
  */

#endif
Revision:	1.3
Committed:	Sat Dec 29 14:43:44 2007 UTC (16 years, 5 months ago) by ayin
Content type:	text/plain
Branch:	MAIN
Changes since 1.2:	+2 -2 lines
Log Message:	Rename 'sb_shadow' scrollBar_t field to 'shadow'.
#	User	Rev	Content
1	ayin	1.1	#ifndef SCROLLBAR_H
2			#define SCROLLBAR_H
3
4			#include <X11/Xlib.h>
5
6			struct rxvt_term;
7
8			typedef struct {
9			char state; /* scrollbar state */
10			char init; /* scrollbar has been initialised */
11			unsigned int beg; /* slider sub-window begin height */
12			unsigned int end; /* slider sub-window end height */
13			unsigned int top; /* slider top position */
14			unsigned int bot; /* slider bottom position */
15			unsigned int style; /* style: rxvt, xterm, next */
16			unsigned int width; /* scrollbar width */
17	ayin	1.3	int shadow; /* scrollbar shadow width */
18	ayin	1.1	Window win;
19			int (rxvt_term::*update)(int, int, int, int);
20
21			void setIdle() { state = 1 ; }
22			void setMotion() { state = 'm'; }
23			void setUp() { state = 'U'; }
24			void setDn() { state = 'D'; }
25			} scrollBar_t;
26
27	ayin	1.3	#define scrollbar_TotalWidth() (scrollBar.width + scrollBar.shadow * 2)
28	ayin	1.1	#define scrollbar_isMotion() (scrollBar.state == 'm')
29			#define scrollbar_isUp() (scrollBar.state == 'U')
30			#define scrollbar_isDn() (scrollBar.state == 'D')
31			#define scrollbar_isUpDn() isupper (scrollBar.state)
32			#define isScrollbarWindow(w) (scrollBar.state && (w) == scrollBar.win)
33
34			#define scrollbarnext_dnval() (scrollBar.end + (scrollBar.width + 1))
35			#define scrollbarnext_upButton(y) ((y) > scrollBar.end \
36			&& (y) <= scrollbarnext_dnval ())
37			#define scrollbarnext_dnButton(y) ((y) > scrollbarnext_dnval())
38			#define SCROLLNEXT_MINHEIGHT SB_THUMB_MIN_HEIGHT
39			#define scrollbarrxvt_upButton(y) ((y) < scrollBar.beg)
40			#define scrollbarrxvt_dnButton(y) ((y) > scrollBar.end)
41			#define SCROLLRXVT_MINHEIGHT 10
42			#define SCROLLXTERM_MINHEIGHT 10
43
44			#define scrollbar_minheight() (scrollBar.style == R_SB_NEXT \
45			? SCROLLNEXT_MINHEIGHT \
46			: SCROLLRXVT_MINHEIGHT)
47			#define scrollbar_above_slider(y) ((y) < scrollBar.top)
48			#define scrollbar_below_slider(y) ((y) > scrollBar.bot)
49			#define scrollbar_position(y) ((y) - scrollBar.beg)
50			#define scrollbar_size() (scrollBar.end - scrollBar.beg \
51			- scrollbar_minheight ())
52
53			#define R_SB_ALIGN_CENTRE 0
54			#define R_SB_ALIGN_TOP 1
55			#define R_SB_ALIGN_BOTTOM 2
56
57			#define R_SB_NEXT 1
58			#define R_SB_XTERM 2
59			#define R_SB_PLAIN 4
60			#define R_SB_RXVT 8
61
62			#define SB_WIDTH_NEXT 19
63			#define SB_WIDTH_XTERM 15
64			#define SB_WIDTH_PLAIN 7
65			#ifndef SB_WIDTH_RXVT
66			# define SB_WIDTH_RXVT 10
67			#endif
68
69			/*
70			* NeXT scrollbar defines
71			*/
72			#define SB_PADDING 1
73			#define SB_BORDER_WIDTH 1
74			#define SB_BEVEL_WIDTH_UPPER_LEFT 1
75			#define SB_BEVEL_WIDTH_LOWER_RIGHT 2
76			#define SB_LEFT_PADDING (SB_PADDING + SB_BORDER_WIDTH)
77			#define SB_MARGIN_SPACE (SB_PADDING * 2)
78			#define SB_BUTTON_WIDTH (SB_WIDTH_NEXT - SB_MARGIN_SPACE - SB_BORDER_WIDTH)
79			#define SB_BUTTON_HEIGHT (SB_BUTTON_WIDTH)
80			#define SB_BUTTON_SINGLE_HEIGHT (SB_BUTTON_HEIGHT + SB_PADDING)
81			#define SB_BUTTON_BOTH_HEIGHT (SB_BUTTON_SINGLE_HEIGHT * 2)
82			#define SB_BUTTON_TOTAL_HEIGHT (SB_BUTTON_BOTH_HEIGHT + SB_PADDING)
83			#define SB_BUTTON_BEVEL_X (SB_LEFT_PADDING)
84			#define SB_BUTTON_FACE_X (SB_BUTTON_BEVEL_X + SB_BEVEL_WIDTH_UPPER_LEFT)
85			#define SB_THUMB_MIN_HEIGHT (SB_BUTTON_WIDTH - (SB_PADDING * 2))
86			/*
87			* +-------------+
88			* \| \| <---< SB_PADDING
89			* \| ::::::::::: \|
90			* \| ::::::::::: \|
91			* '''''''''''''''''
92			* ,,,,,,,,,,,,,,,,,
93			* \| ::::::::::: \|
94			* \| ::::::::::: \|
95			* \| +---------------< SB_BEVEL_WIDTH_UPPER_LEFT
96			* \| \| :::::::: \|
97			* \| V :::: vv-------< SB_BEVEL_WIDTH_LOWER_RIGHT
98			* \| +---------+ \|
99			* \| \| ......%%\| \|
100			* \| \| ......%%\| \|
101			* \| \| .. ()..%%\| \|
102			* \| \| ......%%\| \|
103			* \| \| %%%%%%%%\| \|
104			* \| +---------+ \| <.........................
105			* \| \| <---< SB_PADDING :
106			* \| +---------+ \| <-+.......... :---< SB_BUTTON_TOTAL_HEIGHT
107			* \| \| ......%%\| \| \| : :
108			* \| \| ../\..%%\| \| \|---< SB_BUTTON_HEIGHT :
109			* \| \| %%%%%%%%\| \| \| : :
110			* \| +---------+ \| <-+ : :
111			* \| \| : :
112			* \| +---------+ \| <-+ :---< SB_BUTTON_BOTH_HEIGHT
113			* \| \| ......%%\| \| \| : :
114			* \| \| ..\/..%%\| \| \| : :
115			* \| \| %%%%%%%%\| \| \|---< SB_BUTTON_SINGLE_HEIGHT
116			* \| +---------+ \| \| : :
117			* \| \| \| : :
118			* +-------------+ <-+.........:............:
119			* ^^\|_________\| :
120			* \|\| \| :
121			* \|\| +---< SB_BUTTON_WIDTH
122			* \|\| :
123			* \|+------< SB_PADDING
124			* \|: :
125			* +----< SB_BORDER_WIDTH
126			* : :
127			* :............:
128			* \|
129			* +---< SB_WIDTH_NEXT
130			*/
131
132			#endif