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 |
char state; /* scrollbar state */ |
22 |
char init; /* scrollbar has been initialised */ |
23 |
unsigned int beg; /* slider sub-window begin height */ |
24 |
unsigned int end; /* slider sub-window end height */ |
25 |
unsigned int top; /* slider top position */ |
26 |
unsigned int bot; /* slider bottom position */ |
27 |
unsigned int style; /* style: rxvt, xterm, next */ |
28 |
unsigned int width; /* scrollbar width */ |
29 |
int shadow; /* scrollbar shadow width */ |
30 |
int last_bot; /* scrollbar last bottom position */ |
31 |
int last_top; /* scrollbar last top position */ |
32 |
int last_state; /* scrollbar last state */ |
33 |
int len; |
34 |
unsigned char align; |
35 |
Window win; |
36 |
Cursor leftptr_cursor; |
37 |
int (rxvt_term::*update)(int, int, int, int); |
38 |
|
39 |
bool upButton (int y) |
40 |
{ |
41 |
if (style == R_SB_NEXT) |
42 |
return y > end && y <= end + width + 1; |
43 |
if (style == R_SB_RXVT) |
44 |
return y < beg; |
45 |
return false; |
46 |
} |
47 |
bool dnButton (int y) |
48 |
{ |
49 |
if (style == R_SB_NEXT) |
50 |
return y > end + width + 1; |
51 |
if (style == R_SB_RXVT) |
52 |
return y > end; |
53 |
return false; |
54 |
} |
55 |
}; |
56 |
|
57 |
#define scrollbar_TotalWidth() (scrollBar.width + scrollBar.shadow * 2) |
58 |
|
59 |
#define SCROLLNEXT_MINHEIGHT SB_THUMB_MIN_HEIGHT |
60 |
#define SCROLLRXVT_MINHEIGHT 10 |
61 |
|
62 |
#define scrollbar_minheight() (scrollBar.style == R_SB_NEXT \ |
63 |
? SCROLLNEXT_MINHEIGHT \ |
64 |
: SCROLLRXVT_MINHEIGHT) |
65 |
#define scrollbar_above_slider(y) ((y) < scrollBar.top) |
66 |
#define scrollbar_below_slider(y) ((y) > scrollBar.bot) |
67 |
#define scrollbar_position(y) ((y) - scrollBar.beg) |
68 |
#define scrollbar_size() (scrollBar.end - scrollBar.beg \ |
69 |
- scrollbar_minheight ()) |
70 |
|
71 |
#define R_SB_ALIGN_CENTRE 0 |
72 |
#define R_SB_ALIGN_TOP 1 |
73 |
#define R_SB_ALIGN_BOTTOM 2 |
74 |
|
75 |
#define SB_WIDTH_NEXT 19 |
76 |
#define SB_WIDTH_XTERM 15 |
77 |
#define SB_WIDTH_PLAIN 7 |
78 |
#ifndef SB_WIDTH_RXVT |
79 |
# define SB_WIDTH_RXVT 10 |
80 |
#endif |
81 |
|
82 |
/* |
83 |
* NeXT scrollbar defines |
84 |
*/ |
85 |
#define SB_PADDING 1 |
86 |
#define SB_BORDER_WIDTH 1 |
87 |
#define SB_BEVEL_WIDTH_UPPER_LEFT 1 |
88 |
#define SB_BEVEL_WIDTH_LOWER_RIGHT 2 |
89 |
#define SB_LEFT_PADDING (SB_PADDING + SB_BORDER_WIDTH) |
90 |
#define SB_MARGIN_SPACE (SB_PADDING * 2) |
91 |
#define SB_BUTTON_WIDTH (SB_WIDTH_NEXT - SB_MARGIN_SPACE - SB_BORDER_WIDTH) |
92 |
#define SB_BUTTON_HEIGHT (SB_BUTTON_WIDTH) |
93 |
#define SB_BUTTON_SINGLE_HEIGHT (SB_BUTTON_HEIGHT + SB_PADDING) |
94 |
#define SB_BUTTON_BOTH_HEIGHT (SB_BUTTON_SINGLE_HEIGHT * 2) |
95 |
#define SB_BUTTON_TOTAL_HEIGHT (SB_BUTTON_BOTH_HEIGHT + SB_PADDING) |
96 |
#define SB_BUTTON_BEVEL_X (SB_LEFT_PADDING) |
97 |
#define SB_BUTTON_FACE_X (SB_BUTTON_BEVEL_X + SB_BEVEL_WIDTH_UPPER_LEFT) |
98 |
#define SB_THUMB_MIN_HEIGHT (SB_BUTTON_WIDTH - (SB_PADDING * 2)) |
99 |
/* |
100 |
* +-------------+ |
101 |
* | | <---< SB_PADDING |
102 |
* | ::::::::::: | |
103 |
* | ::::::::::: | |
104 |
* ''''''''''''''''' |
105 |
* ,,,,,,,,,,,,,,,,, |
106 |
* | ::::::::::: | |
107 |
* | ::::::::::: | |
108 |
* | +---------------< SB_BEVEL_WIDTH_UPPER_LEFT |
109 |
* | | :::::::: | |
110 |
* | V :::: vv-------< SB_BEVEL_WIDTH_LOWER_RIGHT |
111 |
* | +---------+ | |
112 |
* | | ......%%| | |
113 |
* | | ......%%| | |
114 |
* | | .. ()..%%| | |
115 |
* | | ......%%| | |
116 |
* | | %%%%%%%%| | |
117 |
* | +---------+ | <......................... |
118 |
* | | <---< SB_PADDING : |
119 |
* | +---------+ | <-+.......... :---< SB_BUTTON_TOTAL_HEIGHT |
120 |
* | | ......%%| | | : : |
121 |
* | | ../\..%%| | |---< SB_BUTTON_HEIGHT : |
122 |
* | | %%%%%%%%| | | : : |
123 |
* | +---------+ | <-+ : : |
124 |
* | | : : |
125 |
* | +---------+ | <-+ :---< SB_BUTTON_BOTH_HEIGHT |
126 |
* | | ......%%| | | : : |
127 |
* | | ..\/..%%| | | : : |
128 |
* | | %%%%%%%%| | |---< SB_BUTTON_SINGLE_HEIGHT |
129 |
* | +---------+ | | : : |
130 |
* | | | : : |
131 |
* +-------------+ <-+.........:............: |
132 |
* ^^|_________| : |
133 |
* || | : |
134 |
* || +---< SB_BUTTON_WIDTH |
135 |
* || : |
136 |
* |+------< SB_PADDING |
137 |
* |: : |
138 |
* +----< SB_BORDER_WIDTH |
139 |
* : : |
140 |
* :............: |
141 |
* | |
142 |
* +---< SB_WIDTH_NEXT |
143 |
*/ |
144 |
|
145 |
#endif |