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
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
#ifndef SCROLLBAR_H
#define SCROLLBAR_H
#include <X11/Xlib.h>
#include "rxvtutil.h"
struct rxvt_term;
#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))
enum sb_state {
SB_STATE_OFF,
SB_STATE_IDLE,
SB_STATE_MOTION,
SB_STATE_UP,
SB_STATE_DOWN,
};
enum sb_style {
SB_STYLE_NEXT = 1,
SB_STYLE_XTERM = 2,
SB_STYLE_PLAIN = 4,
SB_STYLE_RXVT = 8,
};
enum sb_align {
SB_ALIGN_CENTRE,
SB_ALIGN_TOP,
SB_ALIGN_BOTTOM,
};
struct scrollBar_t
{
rxvt_term *term;
sb_state state; /* scrollbar state */
char init; /* scrollbar has been initialised */
int beg; /* slider sub-window begin height */
int end; /* slider sub-window end height */
int top; /* slider top position */
int bot; /* slider bottom position */
sb_style style; /* style: rxvt, xterm, next */
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 */
sb_align align;
Window win;
Cursor leftptr_cursor;
int (scrollBar_t::*update)(int);
void setup (rxvt_term *);
void resize ();
void map (int);
int show (int);
void destroy ();
int color ();
bool upButton (int y)
{
if (style == SB_STYLE_NEXT)
return y > end && y <= end + width + 1;
if (style == SB_STYLE_RXVT)
return y < beg;
return false;
}
bool dnButton (int y)
{
if (style == SB_STYLE_NEXT)
return y > end + width + 1;
if (style == SB_STYLE_RXVT)
return y > end;
return false;
}
int min_height ()
{
return style == SB_STYLE_NEXT ? SB_THUMB_MIN_HEIGHT : 10;
}
int size ()
{
return max (end - beg, 0);
}
int total_width ()
{
return width + shadow * 2;
}
bool above_slider (int y)
{
return y < top;
}
bool below_slider (int y)
{
return y > bot;
}
int position (int y)
{
return y - beg;
}
#if defined(NEXT_SCROLLBAR)
GC blackGC,
whiteGC,
grayGC,
darkGC,
stippleGC;
Pixmap dimple,
upArrow,
downArrow,
upArrowHi,
downArrowHi;
bool last_has_sb;
#endif
#if defined(RXVT_SCROLLBAR)
GC scrollbarGC,
topShadowGC,
botShadowGC;
#endif
#if defined(XTERM_SCROLLBAR)
GC xscrollbarGC,
ShadowGC;
#endif
#if defined(PLAIN_SCROLLBAR)
GC pscrollbarGC;
#endif
private:
// update style dependent data
void update_data ();
// scrollbar-next.C
int show_next (int);
// scrollbar-rxvt.C
int show_rxvt (int);
// scrollbar-xterm.C
int show_xterm (int);
// scrollbar-plain.C
int show_plain (int);
void init_next ();
};
/*
* +-------------+
* | | <---< 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
|
