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/cvs/rxvt-unicode/src/scrollbar.h
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Comparing rxvt-unicode/src/scrollbar.h (file contents):
Revision 1.1 by ayin, Sat Dec 29 12:03:39 2007 UTC vs.
Revision 1.28 by sf-exg, Thu Sep 1 08:11:27 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
8typedef struct {
9 char state; /* scrollbar state */
10 char init; /* scrollbar has been initialised */
11 unsigned int beg; /* slider sub-window begin height */
12 unsigned int end; /* slider sub-window end height */
13 unsigned int top; /* slider top position */
14 unsigned int bot; /* slider bottom position */
15 unsigned int style; /* style: rxvt, xterm, next */
16 unsigned int width; /* scrollbar width */
17 Window win;
18 int (rxvt_term::*update)(int, int, int, int);
19
20 void setIdle() { state = 1 ; }
21 void setMotion() { state = 'm'; }
22 void setUp() { state = 'U'; }
23 void setDn() { state = 'D'; }
24} scrollBar_t;
25
26#define scrollbar_isMotion() (scrollBar.state == 'm')
27#define scrollbar_isUp() (scrollBar.state == 'U')
28#define scrollbar_isDn() (scrollBar.state == 'D')
29#define scrollbar_isUpDn() isupper (scrollBar.state)
30#define isScrollbarWindow(w) (scrollBar.state && (w) == scrollBar.win)
31
32#define scrollbarnext_dnval() (scrollBar.end + (scrollBar.width + 1))
33#define scrollbarnext_upButton(y) ((y) > scrollBar.end \
34 && (y) <= scrollbarnext_dnval ())
35#define scrollbarnext_dnButton(y) ((y) > scrollbarnext_dnval())
36#define SCROLLNEXT_MINHEIGHT SB_THUMB_MIN_HEIGHT
37#define scrollbarrxvt_upButton(y) ((y) < scrollBar.beg)
38#define scrollbarrxvt_dnButton(y) ((y) > scrollBar.end)
39#define SCROLLRXVT_MINHEIGHT 10
40#define SCROLLXTERM_MINHEIGHT 10
41
42#define scrollbar_minheight() (scrollBar.style == R_SB_NEXT \
43 ? SCROLLNEXT_MINHEIGHT \
44 : SCROLLRXVT_MINHEIGHT)
45#define scrollbar_above_slider(y) ((y) < scrollBar.top)
46#define scrollbar_below_slider(y) ((y) > scrollBar.bot)
47#define scrollbar_position(y) ((y) - scrollBar.beg)
48#define scrollbar_size() (scrollBar.end - scrollBar.beg \
49 - scrollbar_minheight ())
50
51#define R_SB_ALIGN_CENTRE 0
52#define R_SB_ALIGN_TOP 1
53#define R_SB_ALIGN_BOTTOM 2
54
55#define R_SB_NEXT 1
56#define R_SB_XTERM 2
57#define R_SB_PLAIN 4
58#define R_SB_RXVT 8
59 8
60#define SB_WIDTH_NEXT 19 9#define SB_WIDTH_NEXT 19
61#define SB_WIDTH_XTERM 15 10#define SB_WIDTH_XTERM 15
62#define SB_WIDTH_PLAIN 7 11#define SB_WIDTH_PLAIN 7
63#ifndef SB_WIDTH_RXVT 12#ifndef SB_WIDTH_RXVT
… …
79#define SB_BUTTON_BOTH_HEIGHT (SB_BUTTON_SINGLE_HEIGHT * 2) 28#define SB_BUTTON_BOTH_HEIGHT (SB_BUTTON_SINGLE_HEIGHT * 2)
80#define SB_BUTTON_TOTAL_HEIGHT (SB_BUTTON_BOTH_HEIGHT + SB_PADDING) 29#define SB_BUTTON_TOTAL_HEIGHT (SB_BUTTON_BOTH_HEIGHT + SB_PADDING)
81#define SB_BUTTON_BEVEL_X (SB_LEFT_PADDING) 30#define SB_BUTTON_BEVEL_X (SB_LEFT_PADDING)
82#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)
83#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 SB_STATE_OFF,
36 SB_STATE_IDLE,
37 SB_STATE_MOTION,
38 SB_STATE_UP,
39 SB_STATE_DOWN,
40};
41
42enum sb_style {
43 SB_STYLE_NEXT = 1,
44 SB_STYLE_XTERM = 2,
45 SB_STYLE_PLAIN = 4,
46 SB_STYLE_RXVT = 8,
47};
48
49enum sb_align {
50 SB_ALIGN_CENTRE,
51 SB_ALIGN_TOP,
52 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 == SB_STYLE_NEXT)
83 return y > end && y <= end + width + 1;
84 if (style == SB_STYLE_RXVT)
85 return y < beg;
86 return false;
87 }
88 bool dnButton (int y)
89 {
90 if (style == SB_STYLE_NEXT)
91 return y > end + width + 1;
92 if (style == SB_STYLE_RXVT)
93 return y > end;
94 return false;
95 }
96 int min_height ()
97 {
98 return style == SB_STYLE_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
84 /* 166 /*
85 * +-------------+ 167 * +-------------+
86 * | | <---< SB_PADDING 168 * | | <---< SB_PADDING
87 * | ::::::::::: | 169 * | ::::::::::: |
88 * | ::::::::::: | 170 * | ::::::::::: |

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