1 |
#ifndef SCROLLBAR_H |
2 |
#define SCROLLBAR_H |
3 |
|
4 |
#include <X11/Xlib.h> |
5 |
#include "rxvtutil.h" |
6 |
|
7 |
struct rxvt_term; |
8 |
|
9 |
#define SB_WIDTH_NEXT 19 |
10 |
#define SB_WIDTH_XTERM 15 |
11 |
#define SB_WIDTH_PLAIN 7 |
12 |
#ifndef SB_WIDTH_RXVT |
13 |
# define SB_WIDTH_RXVT 10 |
14 |
#endif |
15 |
|
16 |
/* |
17 |
* NeXT scrollbar defines |
18 |
*/ |
19 |
#define SB_PADDING 1 |
20 |
#define SB_BORDER_WIDTH 1 |
21 |
#define SB_BEVEL_WIDTH_UPPER_LEFT 1 |
22 |
#define SB_BEVEL_WIDTH_LOWER_RIGHT 2 |
23 |
#define SB_LEFT_PADDING (SB_PADDING + SB_BORDER_WIDTH) |
24 |
#define SB_MARGIN_SPACE (SB_PADDING * 2) |
25 |
#define SB_BUTTON_WIDTH (SB_WIDTH_NEXT - SB_MARGIN_SPACE - SB_BORDER_WIDTH) |
26 |
#define SB_BUTTON_HEIGHT (SB_BUTTON_WIDTH) |
27 |
#define SB_BUTTON_SINGLE_HEIGHT (SB_BUTTON_HEIGHT + SB_PADDING) |
28 |
#define SB_BUTTON_BOTH_HEIGHT (SB_BUTTON_SINGLE_HEIGHT * 2) |
29 |
#define SB_BUTTON_TOTAL_HEIGHT (SB_BUTTON_BOTH_HEIGHT + SB_PADDING) |
30 |
#define SB_BUTTON_BEVEL_X (SB_LEFT_PADDING) |
31 |
#define SB_BUTTON_FACE_X (SB_BUTTON_BEVEL_X + SB_BEVEL_WIDTH_UPPER_LEFT) |
32 |
#define SB_THUMB_MIN_HEIGHT (SB_BUTTON_WIDTH - (SB_PADDING * 2)) |
33 |
|
34 |
enum sb_state { |
35 |
SB_STATE_OFF, |
36 |
SB_STATE_IDLE, |
37 |
SB_STATE_MOTION, |
38 |
SB_STATE_UP, |
39 |
SB_STATE_DOWN, |
40 |
}; |
41 |
|
42 |
enum sb_style { |
43 |
SB_STYLE_NEXT = 1, |
44 |
SB_STYLE_XTERM = 2, |
45 |
SB_STYLE_PLAIN = 4, |
46 |
SB_STYLE_RXVT = 8, |
47 |
}; |
48 |
|
49 |
enum sb_align { |
50 |
SB_ALIGN_CENTRE, |
51 |
SB_ALIGN_TOP, |
52 |
SB_ALIGN_BOTTOM, |
53 |
}; |
54 |
|
55 |
struct scrollBar_t |
56 |
{ |
57 |
rxvt_term *term; |
58 |
sb_state state; /* scrollbar state */ |
59 |
char init; /* scrollbar has been initialised */ |
60 |
int beg; /* slider sub-window begin height */ |
61 |
int end; /* slider sub-window end height */ |
62 |
int top; /* slider top position */ |
63 |
int bot; /* slider bottom position */ |
64 |
sb_style style; /* style: rxvt, xterm, next */ |
65 |
int width; /* scrollbar width */ |
66 |
int shadow; /* scrollbar shadow width */ |
67 |
int last_bot; /* scrollbar last bottom position */ |
68 |
int last_top; /* scrollbar last top position */ |
69 |
int last_state; /* scrollbar last state */ |
70 |
sb_align align; |
71 |
Window win; |
72 |
Cursor leftptr_cursor; |
73 |
int (scrollBar_t::*update)(int); |
74 |
void setup (rxvt_term *); |
75 |
void resize (); |
76 |
void map (int); |
77 |
int show (int); |
78 |
void destroy (); |
79 |
int color (); |
80 |
|
81 |
bool upButton (int y) |
82 |
{ |
83 |
if (style == SB_STYLE_NEXT) |
84 |
return y > end && y <= end + width + 1; |
85 |
if (style == SB_STYLE_RXVT) |
86 |
return y < beg; |
87 |
return false; |
88 |
} |
89 |
bool dnButton (int y) |
90 |
{ |
91 |
if (style == SB_STYLE_NEXT) |
92 |
return y > end + width + 1; |
93 |
if (style == SB_STYLE_RXVT) |
94 |
return y > end; |
95 |
return false; |
96 |
} |
97 |
int min_height () |
98 |
{ |
99 |
return style == SB_STYLE_NEXT ? SB_THUMB_MIN_HEIGHT : 10; |
100 |
} |
101 |
int size () |
102 |
{ |
103 |
return max (end - beg, 0); |
104 |
} |
105 |
int total_width () |
106 |
{ |
107 |
return width + shadow * 2; |
108 |
} |
109 |
bool above_slider (int y) |
110 |
{ |
111 |
return y < top; |
112 |
} |
113 |
bool below_slider (int y) |
114 |
{ |
115 |
return y > bot; |
116 |
} |
117 |
int position (int y) |
118 |
{ |
119 |
return y - beg; |
120 |
} |
121 |
|
122 |
|
123 |
#if defined(NEXT_SCROLLBAR) |
124 |
GC blackGC, |
125 |
whiteGC, |
126 |
grayGC, |
127 |
darkGC, |
128 |
stippleGC; |
129 |
Pixmap dimple, |
130 |
upArrow, |
131 |
downArrow, |
132 |
upArrowHi, |
133 |
downArrowHi; |
134 |
#endif |
135 |
|
136 |
#if defined(RXVT_SCROLLBAR) |
137 |
GC scrollbarGC, |
138 |
topShadowGC, |
139 |
botShadowGC; |
140 |
#endif |
141 |
|
142 |
#if defined(XTERM_SCROLLBAR) |
143 |
GC xscrollbarGC, |
144 |
ShadowGC; |
145 |
#endif |
146 |
|
147 |
#if defined(PLAIN_SCROLLBAR) |
148 |
GC pscrollbarGC; |
149 |
#endif |
150 |
|
151 |
private: |
152 |
// update style dependent data |
153 |
void update_data (); |
154 |
|
155 |
// scrollbar-next.C |
156 |
int show_next (int); |
157 |
// scrollbar-rxvt.C |
158 |
int show_rxvt (int); |
159 |
// scrollbar-xterm.C |
160 |
int show_xterm (int); |
161 |
// scrollbar-plain.C |
162 |
int show_plain (int); |
163 |
|
164 |
void init_next (); |
165 |
}; |
166 |
|
167 |
/* |
168 |
* +-------------+ |
169 |
* | | <---< SB_PADDING |
170 |
* | ::::::::::: | |
171 |
* | ::::::::::: | |
172 |
* ''''''''''''''''' |
173 |
* ,,,,,,,,,,,,,,,,, |
174 |
* | ::::::::::: | |
175 |
* | ::::::::::: | |
176 |
* | +---------------< SB_BEVEL_WIDTH_UPPER_LEFT |
177 |
* | | :::::::: | |
178 |
* | V :::: vv-------< SB_BEVEL_WIDTH_LOWER_RIGHT |
179 |
* | +---------+ | |
180 |
* | | ......%%| | |
181 |
* | | ......%%| | |
182 |
* | | .. ()..%%| | |
183 |
* | | ......%%| | |
184 |
* | | %%%%%%%%| | |
185 |
* | +---------+ | <......................... |
186 |
* | | <---< SB_PADDING : |
187 |
* | +---------+ | <-+.......... :---< SB_BUTTON_TOTAL_HEIGHT |
188 |
* | | ......%%| | | : : |
189 |
* | | ../\..%%| | |---< SB_BUTTON_HEIGHT : |
190 |
* | | %%%%%%%%| | | : : |
191 |
* | +---------+ | <-+ : : |
192 |
* | | : : |
193 |
* | +---------+ | <-+ :---< SB_BUTTON_BOTH_HEIGHT |
194 |
* | | ......%%| | | : : |
195 |
* | | ..\/..%%| | | : : |
196 |
* | | %%%%%%%%| | |---< SB_BUTTON_SINGLE_HEIGHT |
197 |
* | +---------+ | | : : |
198 |
* | | | : : |
199 |
* +-------------+ <-+.........:............: |
200 |
* ^^|_________| : |
201 |
* || | : |
202 |
* || +---< SB_BUTTON_WIDTH |
203 |
* || : |
204 |
* |+------< SB_PADDING |
205 |
* |: : |
206 |
* +----< SB_BORDER_WIDTH |
207 |
* : : |
208 |
* :............: |
209 |
* | |
210 |
* +---< SB_WIDTH_NEXT |
211 |
*/ |
212 |
|
213 |
#endif |