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/cvs/rxvt-unicode/src/scrollbar.h
Revision: 1.31
Committed: Fri May 30 19:44:11 2014 UTC (9 years, 11 months ago) by sf-exg
Content type: text/plain
Branch: MAIN
CVS Tags: rxvt-unicode-rel-9_29, rxvt-unicode-rel-9_26, rxvt-unicode-rel-9_25, rxvt-unicode-rel-9_22, rxvt-unicode-rel-9_21, rxvt-unicode-rel-9_30, HEAD
Changes since 1.30: +1 -0 lines
Log Message:
Fix height and position of the stippled area in next scrollbar, patch by totto.

File Contents

# Content
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 bool last_has_sb;
135 #endif
136
137 #if defined(RXVT_SCROLLBAR)
138 GC scrollbarGC,
139 topShadowGC,
140 botShadowGC;
141 #endif
142
143 #if defined(XTERM_SCROLLBAR)
144 GC xscrollbarGC,
145 ShadowGC;
146 #endif
147
148 #if defined(PLAIN_SCROLLBAR)
149 GC pscrollbarGC;
150 #endif
151
152 private:
153 // update style dependent data
154 void update_data ();
155
156 // scrollbar-next.C
157 int show_next (int);
158 // scrollbar-rxvt.C
159 int show_rxvt (int);
160 // scrollbar-xterm.C
161 int show_xterm (int);
162 // scrollbar-plain.C
163 int show_plain (int);
164
165 void init_next ();
166 };
167
168 /*
169 * +-------------+
170 * | | <---< SB_PADDING
171 * | ::::::::::: |
172 * | ::::::::::: |
173 * '''''''''''''''''
174 * ,,,,,,,,,,,,,,,,,
175 * | ::::::::::: |
176 * | ::::::::::: |
177 * | +---------------< SB_BEVEL_WIDTH_UPPER_LEFT
178 * | | :::::::: |
179 * | V :::: vv-------< SB_BEVEL_WIDTH_LOWER_RIGHT
180 * | +---------+ |
181 * | | ......%%| |
182 * | | ......%%| |
183 * | | .. ()..%%| |
184 * | | ......%%| |
185 * | | %%%%%%%%| |
186 * | +---------+ | <.........................
187 * | | <---< SB_PADDING :
188 * | +---------+ | <-+.......... :---< SB_BUTTON_TOTAL_HEIGHT
189 * | | ......%%| | | : :
190 * | | ../\..%%| | |---< SB_BUTTON_HEIGHT :
191 * | | %%%%%%%%| | | : :
192 * | +---------+ | <-+ : :
193 * | | : :
194 * | +---------+ | <-+ :---< SB_BUTTON_BOTH_HEIGHT
195 * | | ......%%| | | : :
196 * | | ..\/..%%| | | : :
197 * | | %%%%%%%%| | |---< SB_BUTTON_SINGLE_HEIGHT
198 * | +---------+ | | : :
199 * | | | : :
200 * +-------------+ <-+.........:............:
201 * ^^|_________| :
202 * || | :
203 * || +---< SB_BUTTON_WIDTH
204 * || :
205 * |+------< SB_PADDING
206 * |: :
207 * +----< SB_BORDER_WIDTH
208 * : :
209 * :............:
210 * |
211 * +---< SB_WIDTH_NEXT
212 */
213
214 #endif