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Comparing rxvt-unicode/src/scrollbar.h (file contents):
Revision 1.15 by ayin, Sun Feb 17 11:37:21 2008 UTC vs.
Revision 1.27 by sf-exg, Sun Aug 28 18:48:41 2011 UTC

1#ifndef SCROLLBAR_H 1#ifndef SCROLLBAR_H
2#define SCROLLBAR_H 2#define SCROLLBAR_H
3 3
4#include <X11/Xlib.h> 4#include <X11/Xlib.h>
5#include "rxvtutil.h"
5 6
6struct rxvt_term; 7struct 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
13enum sb_state {
14 STATE_IDLE = 1,
15 STATE_MOTION,
16 STATE_UP,
17 STATE_DOWN,
18};
19
20struct 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 8
79#define SB_WIDTH_NEXT 19 9#define SB_WIDTH_NEXT 19
80#define SB_WIDTH_XTERM 15 10#define SB_WIDTH_XTERM 15
81#define SB_WIDTH_PLAIN 7 11#define SB_WIDTH_PLAIN 7
82#ifndef SB_WIDTH_RXVT 12#ifndef SB_WIDTH_RXVT
… …
98#define SB_BUTTON_BOTH_HEIGHT (SB_BUTTON_SINGLE_HEIGHT * 2) 28#define SB_BUTTON_BOTH_HEIGHT (SB_BUTTON_SINGLE_HEIGHT * 2)
99#define SB_BUTTON_TOTAL_HEIGHT (SB_BUTTON_BOTH_HEIGHT + SB_PADDING) 29#define SB_BUTTON_TOTAL_HEIGHT (SB_BUTTON_BOTH_HEIGHT + SB_PADDING)
100#define SB_BUTTON_BEVEL_X (SB_LEFT_PADDING) 30#define SB_BUTTON_BEVEL_X (SB_LEFT_PADDING)
101#define SB_BUTTON_FACE_X (SB_BUTTON_BEVEL_X + SB_BEVEL_WIDTH_UPPER_LEFT) 31#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)) 32#define SB_THUMB_MIN_HEIGHT (SB_BUTTON_WIDTH - (SB_PADDING * 2))
33
34enum sb_state {
35 STATE_OFF,
36 STATE_IDLE,
37 STATE_MOTION,
38 STATE_UP,
39 STATE_DOWN,
40};
41
42enum sb_style {
43 R_SB_NEXT = 1,
44 R_SB_XTERM = 2,
45 R_SB_PLAIN = 4,
46 R_SB_RXVT = 8,
47};
48
49enum sb_align {
50 R_SB_ALIGN_CENTRE,
51 R_SB_ALIGN_TOP,
52 R_SB_ALIGN_BOTTOM,
53};
54
55struct 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
80 bool upButton (int y)
81 {
82 if (style == R_SB_NEXT)
83 return y > end && y <= end + width + 1;
84 if (style == R_SB_RXVT)
85 return y < beg;
86 return false;
87 }
88 bool dnButton (int y)
89 {
90 if (style == R_SB_NEXT)
91 return y > end + width + 1;
92 if (style == R_SB_RXVT)
93 return y > end;
94 return false;
95 }
96 int min_height ()
97 {
98 return style == R_SB_NEXT ? SB_THUMB_MIN_HEIGHT : 10;
99 }
100 int size ()
101 {
102 return max (end - beg - min_height (), 0);
103 }
104 int total_width ()
105 {
106 return width + shadow * 2;
107 }
108 bool above_slider (int y)
109 {
110 return y < top;
111 }
112 bool below_slider (int y)
113 {
114 return y > bot;
115 }
116 int position (int y)
117 {
118 return y - beg;
119 }
120
121
122#if defined(NEXT_SCROLLBAR)
123 GC blackGC,
124 whiteGC,
125 grayGC,
126 darkGC,
127 stippleGC;
128 Pixmap dimple,
129 upArrow,
130 downArrow,
131 upArrowHi,
132 downArrowHi;
133#endif
134
135#if defined(RXVT_SCROLLBAR)
136 GC scrollbarGC,
137 topShadowGC,
138 botShadowGC;
139#endif
140
141#if defined(XTERM_SCROLLBAR)
142 GC xscrollbarGC,
143 ShadowGC;
144#endif
145
146#if defined(PLAIN_SCROLLBAR)
147 GC pscrollbarGC;
148#endif
149
150private:
151 // update style dependent data
152 void update_data ();
153
154 // scrollbar-next.C
155 int show_next (int);
156 // scrollbar-rxvt.C
157 int show_rxvt (int);
158 // scrollbar-xterm.C
159 int show_xterm (int);
160 // scrollbar-plain.C
161 int show_plain (int);
162
163 void init_next ();
164};
165
103 /* 166 /*
104 * +-------------+ 167 * +-------------+
105 * | | <---< SB_PADDING 168 * | | <---< SB_PADDING
106 * | ::::::::::: | 169 * | ::::::::::: |
107 * | ::::::::::: | 170 * | ::::::::::: |

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