rxvt-unicode/src/scrollbar.h

#ifndef SCROLLBAR_H
#define SCROLLBAR_H

#include <X11/Xlib.h>

struct rxvt_term;

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

enum sb_state {
  STATE_IDLE = 1,
  STATE_MOTION,
  STATE_UP,
  STATE_DOWN,
};

struct scrollBar_t {
  rxvt_term *term;
  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                   */
  int             last_bot;     /* scrollbar last bottom position           */
  int             last_top;     /* scrollbar last top position              */
  int             last_state;   /* scrollbar last state                     */
  int             len;
  unsigned char   align;
  Window          win;
  Cursor          leftptr_cursor;
  int             (rxvt_term::*update)(int, int, int, int);
  void setup (rxvt_term *);

  bool upButton (int y)
  {
    if (style == R_SB_NEXT)
      return y > end && y <= end + width + 1;
    if (style == R_SB_RXVT)
      return y < beg;
    return false;
  }
  bool dnButton (int y)
  {
    if (style == R_SB_NEXT)
      return y > end + width + 1;
    if (style == R_SB_RXVT)
      return y > end;
    return false;
  }
  unsigned total_width ()
  {
    return width + shadow * 2;
  }
};

#define SCROLLNEXT_MINHEIGHT    SB_THUMB_MIN_HEIGHT
#define SCROLLRXVT_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 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:	1.15
Committed:	Sun Feb 17 11:37:21 2008 UTC (16 years, 4 months ago) by ayin
Content type:	text/plain
Branch:	MAIN
Changes since 1.14:	+4 -2 lines
Log Message:	Make scrollbar_TotalWidth a method of scrollBar_t.
#	Content
1	#ifndef SCROLLBAR_H
2	#define SCROLLBAR_H
3
4	#include <X11/Xlib.h>
5
6	struct rxvt_term;
7
8	#define R_SB_NEXT 1
9	#define R_SB_XTERM 2
10	#define R_SB_PLAIN 4
11	#define R_SB_RXVT 8
12
13	enum sb_state {
14	STATE_IDLE = 1,
15	STATE_MOTION,
16	STATE_UP,
17	STATE_DOWN,
18	};
19
20	struct scrollBar_t {
21	rxvt_term *term;
22	char state; /* scrollbar state */
23	char init; /* scrollbar has been initialised */
24	unsigned int beg; /* slider sub-window begin height */
25	unsigned int end; /* slider sub-window end height */
26	unsigned int top; /* slider top position */
27	unsigned int bot; /* slider bottom position */
28	unsigned int style; /* style: rxvt, xterm, next */
29	unsigned int width; /* scrollbar width */
30	int shadow; /* scrollbar shadow width */
31	int last_bot; /* scrollbar last bottom position */
32	int last_top; /* scrollbar last top position */
33	int last_state; /* scrollbar last state */
34	int len;
35	unsigned char align;
36	Window win;
37	Cursor leftptr_cursor;
38	int (rxvt_term::*update)(int, int, int, int);
39	void setup (rxvt_term *);
40
41	bool upButton (int y)
42	{
43	if (style == R_SB_NEXT)
44	return y > end && y <= end + width + 1;
45	if (style == R_SB_RXVT)
46	return y < beg;
47	return false;
48	}
49	bool dnButton (int y)
50	{
51	if (style == R_SB_NEXT)
52	return y > end + width + 1;
53	if (style == R_SB_RXVT)
54	return y > end;
55	return false;
56	}
57	unsigned total_width ()
58	{
59	return width + shadow * 2;
60	}
61	};
62
63	#define SCROLLNEXT_MINHEIGHT SB_THUMB_MIN_HEIGHT
64	#define SCROLLRXVT_MINHEIGHT 10
65
66	#define scrollbar_minheight() (scrollBar.style == R_SB_NEXT \
67	? SCROLLNEXT_MINHEIGHT \
68	: SCROLLRXVT_MINHEIGHT)
69	#define scrollbar_above_slider(y) ((y) < scrollBar.top)
70	#define scrollbar_below_slider(y) ((y) > scrollBar.bot)
71	#define scrollbar_position(y) ((y) - scrollBar.beg)
72	#define scrollbar_size() (scrollBar.end - scrollBar.beg \
73	- scrollbar_minheight ())
74
75	#define R_SB_ALIGN_CENTRE 0
76	#define R_SB_ALIGN_TOP 1
77	#define R_SB_ALIGN_BOTTOM 2
78
79	#define SB_WIDTH_NEXT 19
80	#define SB_WIDTH_XTERM 15
81	#define SB_WIDTH_PLAIN 7
82	#ifndef SB_WIDTH_RXVT
83	# define SB_WIDTH_RXVT 10
84	#endif
85
86	/*
87	* NeXT scrollbar defines
88	*/
89	#define SB_PADDING 1
90	#define SB_BORDER_WIDTH 1
91	#define SB_BEVEL_WIDTH_UPPER_LEFT 1
92	#define SB_BEVEL_WIDTH_LOWER_RIGHT 2
93	#define SB_LEFT_PADDING (SB_PADDING + SB_BORDER_WIDTH)
94	#define SB_MARGIN_SPACE (SB_PADDING * 2)
95	#define SB_BUTTON_WIDTH (SB_WIDTH_NEXT - SB_MARGIN_SPACE - SB_BORDER_WIDTH)
96	#define SB_BUTTON_HEIGHT (SB_BUTTON_WIDTH)
97	#define SB_BUTTON_SINGLE_HEIGHT (SB_BUTTON_HEIGHT + SB_PADDING)
98	#define SB_BUTTON_BOTH_HEIGHT (SB_BUTTON_SINGLE_HEIGHT * 2)
99	#define SB_BUTTON_TOTAL_HEIGHT (SB_BUTTON_BOTH_HEIGHT + SB_PADDING)
100	#define SB_BUTTON_BEVEL_X (SB_LEFT_PADDING)
101	#define SB_BUTTON_FACE_X (SB_BUTTON_BEVEL_X + SB_BEVEL_WIDTH_UPPER_LEFT)
102	#define SB_THUMB_MIN_HEIGHT (SB_BUTTON_WIDTH - (SB_PADDING * 2))
103	/*
104	* +-------------+
105	* \| \| <---< SB_PADDING
106	* \| ::::::::::: \|
107	* \| ::::::::::: \|
108	* '''''''''''''''''
109	* ,,,,,,,,,,,,,,,,,
110	* \| ::::::::::: \|
111	* \| ::::::::::: \|
112	* \| +---------------< SB_BEVEL_WIDTH_UPPER_LEFT
113	* \| \| :::::::: \|
114	* \| V :::: vv-------< SB_BEVEL_WIDTH_LOWER_RIGHT
115	* \| +---------+ \|
116	* \| \| ......%%\| \|
117	* \| \| ......%%\| \|
118	* \| \| .. ()..%%\| \|
119	* \| \| ......%%\| \|
120	* \| \| %%%%%%%%\| \|
121	* \| +---------+ \| <.........................
122	* \| \| <---< SB_PADDING :
123	* \| +---------+ \| <-+.......... :---< SB_BUTTON_TOTAL_HEIGHT
124	* \| \| ......%%\| \| \| : :
125	* \| \| ../\..%%\| \| \|---< SB_BUTTON_HEIGHT :
126	* \| \| %%%%%%%%\| \| \| : :
127	* \| +---------+ \| <-+ : :
128	* \| \| : :
129	* \| +---------+ \| <-+ :---< SB_BUTTON_BOTH_HEIGHT
130	* \| \| ......%%\| \| \| : :
131	* \| \| ..\/..%%\| \| \| : :
132	* \| \| %%%%%%%%\| \| \|---< SB_BUTTON_SINGLE_HEIGHT
133	* \| +---------+ \| \| : :
134	* \| \| \| : :
135	* +-------------+ <-+.........:............:
136	* ^^\|_________\| :
137	* \|\| \| :
138	* \|\| +---< SB_BUTTON_WIDTH
139	* \|\| :
140	* \|+------< SB_PADDING
141	* \|: :
142	* +----< SB_BORDER_WIDTH
143	* : :
144	* :............:
145	* \|
146	* +---< SB_WIDTH_NEXT
147	*/
148
149	#endif