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Comparing rxvt-unicode/src/scrollbar.h (file contents):
Revision 1.12 by ayin, Mon Jan 28 10:54:54 2008 UTC vs.
Revision 1.26 by sf-exg, Sat Aug 27 00:44:38 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
13struct scrollBar_t {
14 char state; /* scrollbar state */
15 char init; /* scrollbar has been initialised */
16 unsigned int beg; /* slider sub-window begin height */
17 unsigned int end; /* slider sub-window end height */
18 unsigned int top; /* slider top position */
19 unsigned int bot; /* slider bottom position */
20 unsigned int style; /* style: rxvt, xterm, next */
21 unsigned int width; /* scrollbar width */
22 int shadow; /* scrollbar shadow width */
23 int last_bot; /* scrollbar last bottom position */
24 int last_top; /* scrollbar last top position */
25 int last_state; /* scrollbar last state */
26 int len;
27 unsigned char align;
28 Window win;
29 Cursor leftptr_cursor;
30 int (rxvt_term::*update)(int, int, int, int);
31
32 void setIdle() { state = 1 ; }
33 void setMotion() { state = 'm'; }
34 void setUp() { state = 'U'; }
35 void setDn() { state = 'D'; }
36
37 bool upButton (int y)
38 {
39 if (style == R_SB_NEXT)
40 return y > end && y <= end + width + 1;
41 if (style == R_SB_RXVT)
42 return y < beg;
43 return false;
44 }
45 bool dnButton (int y)
46 {
47 if (style == R_SB_NEXT)
48 return y > end + width + 1;
49 if (style == R_SB_RXVT)
50 return y > end;
51 return false;
52 }
53};
54
55#define scrollbar_TotalWidth() (scrollBar.width + scrollBar.shadow * 2)
56#define scrollbar_isMotion() (scrollBar.state == 'm')
57#define scrollbar_isUp() (scrollBar.state == 'U')
58#define scrollbar_isDn() (scrollBar.state == 'D')
59#define scrollbar_isUpDn() (scrollbar_isUp () || scrollbar_isDn ())
60
61#define SCROLLNEXT_MINHEIGHT SB_THUMB_MIN_HEIGHT
62#define SCROLLRXVT_MINHEIGHT 10
63
64#define scrollbar_minheight() (scrollBar.style == R_SB_NEXT \
65 ? SCROLLNEXT_MINHEIGHT \
66 : SCROLLRXVT_MINHEIGHT)
67#define scrollbar_above_slider(y) ((y) < scrollBar.top)
68#define scrollbar_below_slider(y) ((y) > scrollBar.bot)
69#define scrollbar_position(y) ((y) - scrollBar.beg)
70#define scrollbar_size() (scrollBar.end - scrollBar.beg \
71 - scrollbar_minheight ())
72
73#define R_SB_ALIGN_CENTRE 0
74#define R_SB_ALIGN_TOP 1
75#define R_SB_ALIGN_BOTTOM 2
76 8
77#define SB_WIDTH_NEXT 19 9#define SB_WIDTH_NEXT 19
78#define SB_WIDTH_XTERM 15 10#define SB_WIDTH_XTERM 15
79#define SB_WIDTH_PLAIN 7 11#define SB_WIDTH_PLAIN 7
80#ifndef SB_WIDTH_RXVT 12#ifndef SB_WIDTH_RXVT
… …
96#define SB_BUTTON_BOTH_HEIGHT (SB_BUTTON_SINGLE_HEIGHT * 2) 28#define SB_BUTTON_BOTH_HEIGHT (SB_BUTTON_SINGLE_HEIGHT * 2)
97#define SB_BUTTON_TOTAL_HEIGHT (SB_BUTTON_BOTH_HEIGHT + SB_PADDING) 29#define SB_BUTTON_TOTAL_HEIGHT (SB_BUTTON_BOTH_HEIGHT + SB_PADDING)
98#define SB_BUTTON_BEVEL_X (SB_LEFT_PADDING) 30#define SB_BUTTON_BEVEL_X (SB_LEFT_PADDING)
99#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)
100#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 int 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
101 /* 166 /*
102 * +-------------+ 167 * +-------------+
103 * | | <---< SB_PADDING 168 * | | <---< SB_PADDING
104 * | ::::::::::: | 169 * | ::::::::::: |
105 * | ::::::::::: | 170 * | ::::::::::: |

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