1 |
/*--------------------------------*-C-*---------------------------------* |
2 |
* File: scrollbar-rxvt.C |
3 |
*----------------------------------------------------------------------* |
4 |
* |
5 |
* Copyright (c) 1997,1998 mj olesen <olesen@me.QueensU.CA> |
6 |
* Copyright (c) 1999-2001 Geoff Wing <gcw@pobox.com> |
7 |
* Copyright (c) 2004 Marc Lehmann <pcg@goof.com> |
8 |
* |
9 |
* This program is free software; you can redistribute it and/or modify |
10 |
* it under the terms of the GNU General Public License as published by |
11 |
* the Free Software Foundation; either version 2 of the License, or |
12 |
* (at your option) any later version. |
13 |
* |
14 |
* This program is distributed in the hope that it will be useful, |
15 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
16 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
17 |
* GNU General Public License for more details. |
18 |
* |
19 |
* You should have received a copy of the GNU General Public License |
20 |
* along with this program; if not, write to the Free Software |
21 |
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
22 |
*----------------------------------------------------------------------*/ |
23 |
|
24 |
#include "../config.h" /* NECESSARY */ |
25 |
#include "rxvt.h" /* NECESSARY */ |
26 |
#include "scrollbar-rxvt.intpro" /* PROTOS for internal routines */ |
27 |
|
28 |
/*----------------------------------------------------------------------*/ |
29 |
#if defined(RXVT_SCROLLBAR) |
30 |
|
31 |
/* draw triangular button with a shadow of SHADOW (1 or 2) pixels */ |
32 |
void |
33 |
rxvt_term::Draw_button (int x, int y, int state, int dirn) |
34 |
{ |
35 |
unsigned int sz, sz2; |
36 |
XPoint pt[3]; |
37 |
GC top, bot; |
38 |
|
39 |
sz = scrollBar.width; |
40 |
sz2 = sz / 2; |
41 |
switch (state) |
42 |
{ |
43 |
case +1: |
44 |
top = topShadowGC; |
45 |
bot = botShadowGC; |
46 |
break; |
47 |
case -1: |
48 |
top = botShadowGC; |
49 |
bot = topShadowGC; |
50 |
break; |
51 |
default: |
52 |
top = bot = scrollbarGC; |
53 |
break; |
54 |
} |
55 |
|
56 |
/* fill triangle */ |
57 |
pt[0].x = x; |
58 |
pt[1].x = x + sz - 1; |
59 |
pt[2].x = x + sz2; |
60 |
if (dirn == UP) |
61 |
{ |
62 |
pt[0].y = pt[1].y = y + sz - 1; |
63 |
pt[2].y = y; |
64 |
} |
65 |
else |
66 |
{ |
67 |
pt[0].y = pt[1].y = y; |
68 |
pt[2].y = y + sz - 1; |
69 |
} |
70 |
XFillPolygon (display->display, scrollBar.win, scrollbarGC, |
71 |
pt, 3, Convex, CoordModeOrigin); |
72 |
|
73 |
/* draw base */ |
74 |
XDrawLine (display->display, scrollBar.win, (dirn == UP ? bot : top), |
75 |
pt[0].x, pt[0].y, pt[1].x, pt[1].y); |
76 |
|
77 |
/* draw shadow on left */ |
78 |
pt[1].x = x + sz2 - 1; |
79 |
pt[1].y = y + (dirn == UP ? 0 : sz - 1); |
80 |
XDrawLine (display->display, scrollBar.win, top, |
81 |
pt[0].x, pt[0].y, pt[1].x, pt[1].y); |
82 |
|
83 |
#if (SHADOW > 1) |
84 |
/* doubled */ |
85 |
pt[0].x++; |
86 |
if (dirn == UP) |
87 |
{ |
88 |
pt[0].y--; |
89 |
pt[1].y++; |
90 |
} |
91 |
else |
92 |
{ |
93 |
pt[0].y++; |
94 |
pt[1].y--; |
95 |
} |
96 |
XDrawLine (display->display, scrollBar.win, top, |
97 |
pt[0].x, pt[0].y, pt[1].x, pt[1].y); |
98 |
#endif |
99 |
/* draw shadow on right */ |
100 |
pt[1].x = x + sz - 1; |
101 |
/* pt[2].x = x + sz2; */ |
102 |
pt[1].y = y + (dirn == UP ? sz - 1 : 0); |
103 |
pt[2].y = y + (dirn == UP ? 0 : sz - 1); |
104 |
XDrawLine (display->display, scrollBar.win, bot, |
105 |
pt[2].x, pt[2].y, pt[1].x, pt[1].y); |
106 |
#if (SHADOW > 1) |
107 |
/* doubled */ |
108 |
pt[1].x--; |
109 |
if (dirn == UP) |
110 |
{ |
111 |
pt[2].y++; |
112 |
pt[1].y--; |
113 |
} |
114 |
else |
115 |
{ |
116 |
pt[2].y--; |
117 |
pt[1].y++; |
118 |
} |
119 |
XDrawLine (display->display, scrollBar.win, bot, |
120 |
pt[2].x, pt[2].y, pt[1].x, pt[1].y); |
121 |
#endif |
122 |
} |
123 |
|
124 |
int |
125 |
rxvt_term::scrollbar_show_rxvt (int update __attribute__ ((unused)), int last_top, int last_bot, int scrollbar_len) |
126 |
{ |
127 |
int sbshadow = sb_shadow; |
128 |
int sbwidth = (int)scrollBar.width; |
129 |
|
130 |
if ((scrollBar.init & R_SB_RXVT) == 0) |
131 |
{ |
132 |
XGCValues gcvalue; |
133 |
|
134 |
scrollBar.init |= R_SB_RXVT; |
135 |
gcvalue.foreground = PixColors[Color_trough]; |
136 |
if (sbshadow) |
137 |
{ |
138 |
XSetWindowBackground (display->display, scrollBar.win, |
139 |
gcvalue.foreground); |
140 |
XClearWindow (display->display, scrollBar.win); |
141 |
} |
142 |
} |
143 |
else |
144 |
{ |
145 |
/* instead of XClearWindow (display->display, scrollBar.win); */ |
146 |
if (last_top < scrollBar.top) |
147 |
XClearArea (display->display, scrollBar.win, |
148 |
sbshadow, last_top, |
149 |
sbwidth, (scrollBar.top - last_top), |
150 |
False); |
151 |
|
152 |
if (scrollBar.bot < last_bot) |
153 |
XClearArea (display->display, scrollBar.win, |
154 |
sbshadow, scrollBar.bot, |
155 |
sbwidth, (last_bot - scrollBar.bot), |
156 |
False); |
157 |
} |
158 |
|
159 |
/* scrollbar slider */ |
160 |
#ifdef SB_BORDER |
161 |
{ |
162 |
int xofs; |
163 |
|
164 |
if (Options & Opt_scrollBar_right) |
165 |
xofs = 0; |
166 |
else |
167 |
xofs = sbshadow ? sbwidth : sbwidth - 1; |
168 |
|
169 |
XDrawLine (display->display, scrollBar.win, botShadowGC, |
170 |
xofs, 0, xofs, scrollBar.end + sbwidth); |
171 |
} |
172 |
#endif |
173 |
XFillRectangle (display->display, scrollBar.win, scrollbarGC, |
174 |
sbshadow, scrollBar.top, sbwidth, |
175 |
scrollbar_len); |
176 |
|
177 |
if (sbshadow) |
178 |
/* trough shadow */ |
179 |
rxvt_Draw_Shadow (display->display, scrollBar.win, |
180 |
botShadowGC, topShadowGC, |
181 |
0, 0, |
182 |
sbwidth + 2 * sbshadow, /* scrollbar_TotalWidth () */ |
183 |
scrollBar.end + (sbwidth + 1) + sbshadow); |
184 |
/* shadow for scrollbar slider */ |
185 |
rxvt_Draw_Shadow (display->display, scrollBar.win, |
186 |
topShadowGC, botShadowGC, |
187 |
sbshadow, scrollBar.top, sbwidth, |
188 |
scrollbar_len); |
189 |
|
190 |
/* |
191 |
* Redraw scrollbar arrows |
192 |
*/ |
193 |
Draw_button (sbshadow, sbshadow, |
194 |
(scrollbar_isUp () ? -1 : +1), UP); |
195 |
Draw_button (sbshadow, (scrollBar.end + 1), |
196 |
(scrollbar_isDn () ? -1 : +1), DN); |
197 |
return 1; |
198 |
} |
199 |
#endif /* RXVT_SCROLLBAR */ |
200 |
/*----------------------- end-of-file (C source) -----------------------*/ |