ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/scrollbar-rxvt.C
Revision: 1.5
Committed: Sat Jan 31 04:12:10 2004 UTC (20 years, 4 months ago) by pcg
Content type: text/plain
Branch: MAIN
CVS Tags: before_astyle
Changes since 1.4: +0 -1 lines
Log Message:
*** empty log message ***

File Contents

# User Rev Content
1 pcg 1.1 /*--------------------------------*-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     *
8     * This program is free software; you can redistribute it and/or modify
9     * it under the terms of the GNU General Public License as published by
10     * the Free Software Foundation; either version 2 of the License, or
11     * (at your option) any later version.
12     *
13     * This program is distributed in the hope that it will be useful,
14     * but WITHOUT ANY WARRANTY; without even the implied warranty of
15     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16     * GNU General Public License for more details.
17     *
18     * You should have received a copy of the GNU General Public License
19     * along with this program; if not, write to the Free Software
20     * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21     *----------------------------------------------------------------------*/
22    
23     #include "../config.h" /* NECESSARY */
24     #include "rxvt.h" /* NECESSARY */
25     #include "scrollbar-rxvt.intpro" /* PROTOS for internal routines */
26    
27     /*----------------------------------------------------------------------*/
28     #if defined(RXVT_SCROLLBAR)
29    
30     /* draw triangular button with a shadow of SHADOW (1 or 2) pixels */
31     void
32 pcg 1.4 rxvt_term::Draw_button (int x, int y, int state, int dirn)
33 pcg 1.1 {
34     unsigned int sz, sz2;
35     XPoint pt[3];
36     GC top, bot;
37    
38 pcg 1.4 sz = scrollBar.width;
39 pcg 1.1 sz2 = sz / 2;
40     switch (state) {
41     case +1:
42 pcg 1.4 top = topShadowGC;
43     bot = botShadowGC;
44 pcg 1.1 break;
45     case -1:
46 pcg 1.4 top = botShadowGC;
47     bot = topShadowGC;
48 pcg 1.1 break;
49     default:
50 pcg 1.4 top = bot = scrollbarGC;
51 pcg 1.1 break;
52     }
53    
54     /* fill triangle */
55     pt[0].x = x;
56     pt[1].x = x + sz - 1;
57     pt[2].x = x + sz2;
58     if (dirn == UP) {
59     pt[0].y = pt[1].y = y + sz - 1;
60     pt[2].y = y;
61     } else {
62     pt[0].y = pt[1].y = y;
63     pt[2].y = y + sz - 1;
64     }
65 pcg 1.4 XFillPolygon(Xdisplay, scrollBar.win, scrollbarGC,
66 pcg 1.1 pt, 3, Convex, CoordModeOrigin);
67    
68     /* draw base */
69 pcg 1.4 XDrawLine(Xdisplay, scrollBar.win, (dirn == UP ? bot : top),
70 pcg 1.1 pt[0].x, pt[0].y, pt[1].x, pt[1].y);
71    
72     /* draw shadow on left */
73     pt[1].x = x + sz2 - 1;
74     pt[1].y = y + (dirn == UP ? 0 : sz - 1);
75 pcg 1.4 XDrawLine(Xdisplay, scrollBar.win, top,
76 pcg 1.1 pt[0].x, pt[0].y, pt[1].x, pt[1].y);
77    
78     #if (SHADOW > 1)
79     /* doubled */
80     pt[0].x++;
81     if (dirn == UP) {
82     pt[0].y--;
83     pt[1].y++;
84     } else {
85     pt[0].y++;
86     pt[1].y--;
87     }
88 pcg 1.4 XDrawLine(Xdisplay, scrollBar.win, top,
89 pcg 1.1 pt[0].x, pt[0].y, pt[1].x, pt[1].y);
90     #endif
91     /* draw shadow on right */
92     pt[1].x = x + sz - 1;
93     /* pt[2].x = x + sz2; */
94     pt[1].y = y + (dirn == UP ? sz - 1 : 0);
95     pt[2].y = y + (dirn == UP ? 0 : sz - 1);
96 pcg 1.4 XDrawLine(Xdisplay, scrollBar.win, bot,
97 pcg 1.1 pt[2].x, pt[2].y, pt[1].x, pt[1].y);
98     #if (SHADOW > 1)
99     /* doubled */
100     pt[1].x--;
101     if (dirn == UP) {
102     pt[2].y++;
103     pt[1].y--;
104     } else {
105     pt[2].y--;
106     pt[1].y++;
107     }
108 pcg 1.4 XDrawLine(Xdisplay, scrollBar.win, bot,
109 pcg 1.1 pt[2].x, pt[2].y, pt[1].x, pt[1].y);
110     #endif
111     }
112    
113     int
114 pcg 1.4 rxvt_term::scrollbar_show_rxvt (int update __attribute__((unused)), int last_top, int last_bot, int scrollbar_len)
115 pcg 1.1 {
116 pcg 1.4 int sbshadow = sb_shadow;
117     int sbwidth = (int)scrollBar.width;
118 pcg 1.1
119 pcg 1.4 if ((scrollBar.init & R_SB_RXVT) == 0) {
120 pcg 1.1 XGCValues gcvalue;
121    
122 pcg 1.4 scrollBar.init |= R_SB_RXVT;
123     gcvalue.foreground = PixColors[Color_trough];
124 pcg 1.1 if (sbshadow) {
125 pcg 1.4 XSetWindowBackground(Xdisplay, scrollBar.win,
126 pcg 1.1 gcvalue.foreground);
127 pcg 1.4 XClearWindow(Xdisplay, scrollBar.win);
128 pcg 1.1 }
129     } else {
130 pcg 1.4 /* instead of XClearWindow (Xdisplay, scrollBar.win); */
131     if (last_top < scrollBar.top)
132     XClearArea(Xdisplay, scrollBar.win,
133 pcg 1.1 sbshadow, last_top,
134 pcg 1.4 sbwidth, (scrollBar.top - last_top),
135 pcg 1.1 False);
136    
137 pcg 1.4 if (scrollBar.bot < last_bot)
138     XClearArea(Xdisplay, scrollBar.win,
139     sbshadow, scrollBar.bot,
140     sbwidth, (last_bot - scrollBar.bot),
141 pcg 1.1 False);
142     }
143    
144     /* scrollbar slider */
145     #ifdef SB_BORDER
146     {
147     int xofs;
148    
149 pcg 1.4 if (Options & Opt_scrollBar_right)
150 pcg 1.1 xofs = 0;
151     else
152     xofs = sbshadow ? sbwidth : sbwidth - 1;
153    
154 pcg 1.4 XDrawLine(Xdisplay, scrollBar.win, botShadowGC,
155     xofs, 0, xofs, scrollBar.end + sbwidth);
156 pcg 1.1 }
157     #endif
158 pcg 1.4 XFillRectangle(Xdisplay, scrollBar.win, scrollbarGC,
159     sbshadow, scrollBar.top, sbwidth,
160 pcg 1.1 scrollbar_len);
161    
162     if (sbshadow)
163     /* trough shadow */
164 pcg 1.4 rxvt_Draw_Shadow(Xdisplay, scrollBar.win,
165     botShadowGC, topShadowGC,
166 pcg 1.1 0, 0,
167     sbwidth + 2 * sbshadow, /* scrollbar_TotalWidth() */
168 pcg 1.4 scrollBar.end + (sbwidth + 1) + sbshadow);
169 pcg 1.1 /* shadow for scrollbar slider */
170 pcg 1.4 rxvt_Draw_Shadow(Xdisplay, scrollBar.win,
171     topShadowGC, botShadowGC,
172     sbshadow, scrollBar.top, sbwidth,
173 pcg 1.1 scrollbar_len);
174    
175     /*
176     * Redraw scrollbar arrows
177     */
178 pcg 1.4 Draw_button (sbshadow, sbshadow,
179 pcg 1.1 (scrollbar_isUp() ? -1 : +1), UP);
180 pcg 1.4 Draw_button (sbshadow, (scrollBar.end + 1),
181 pcg 1.1 (scrollbar_isDn() ? -1 : +1), DN);
182     return 1;
183     }
184     #endif /* RXVT_SCROLLBAR */
185     /*----------------------- end-of-file (C source) -----------------------*/