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/cvs/rxvt-unicode/src/scrollbar-next.C
Revision: 1.30
Committed: Tue Feb 19 17:49:16 2008 UTC (16 years, 3 months ago) by ayin
Content type: text/plain
Branch: MAIN
CVS Tags: before_dynamic_fontidx, rel-9_10, dynamic_fontidx, rel-9_09, rel-9_06, rel-9_07, rel-9_05
Changes since 1.29: +3 -3 lines
Log Message:
Remove 'len' member of scrollBar_t and compute it on demand.

File Contents

# Content
1 /*----------------------------------------------------------------------*
2 * File: scrollbar-next.C
3 *----------------------------------------------------------------------*
4 *
5 * Copyright (c) 1997,1998 mj olesen <olesen@me.QueensU.CA>
6 * Copyright (c) 1998 Alfredo K. Kojima <kojima@windowmaker.org>
7 * - N*XTstep like scrollbars
8 * Copyright (c) 1999-2001 Geoff Wing <gcw@pobox.com>
9 * Copyright (c) 2004-2006 Marc Lehmann <pcg@goof.com>
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 *----------------------------------------------------------------------*/
25
26 #include "../config.h" /* NECESSARY */
27 #include "rxvt.h" /* NECESSARY */
28
29 /*----------------------------------------------------------------------*/
30 #if defined(NEXT_SCROLLBAR)
31
32 #define n_stp_width 8
33 #define n_stp_height 2
34 const unsigned char n_stp_bits[] = { 0x55, 0xaa };
35
36 /*
37 * N*XTSTEP like scrollbar - written by Alfredo K. Kojima
38 */
39 #define SCROLLER_DIMPLE_WIDTH 6
40 #define SCROLLER_DIMPLE_HEIGHT 6
41 #define ARROW_WIDTH 13
42 #define ARROW_HEIGHT 13
43
44 const char *const SCROLLER_DIMPLE[] =
45 {
46 ".%###.",
47 "%#%%%%",
48 "#%%...",
49 "#%.. ",
50 "#%. ",
51 ".%. ."
52 };
53 const char *const SCROLLER_ARROW_UP[] =
54 {
55 ".............",
56 ".............",
57 "......%......",
58 "......#......",
59 ".....%#%.....",
60 ".....###.....",
61 "....%###%....",
62 "....#####....",
63 "...%#####%...",
64 "...#######...",
65 "..%#######%..",
66 ".............",
67 "............."
68 };
69 const char *const SCROLLER_ARROW_DOWN[] =
70 {
71 ".............",
72 ".............",
73 "..%#######%..",
74 "...#######...",
75 "...%#####%...",
76 "....#####....",
77 "....%###%....",
78 ".....###.....",
79 ".....%#%.....",
80 "......#......",
81 "......%......",
82 ".............",
83 "............."
84 };
85 const char *const HI_SCROLLER_ARROW_UP[] =
86 {
87 " ",
88 " ",
89 " % ",
90 " % ",
91 " %%% ",
92 " %%% ",
93 " %%%%% ",
94 " %%%%% ",
95 " %%%%%%% ",
96 " %%%%%%% ",
97 " %%%%%%%%% ",
98 " ",
99 " "
100 };
101 const char *const HI_SCROLLER_ARROW_DOWN[] =
102 {
103 " ",
104 " ",
105 " %%%%%%%%% ",
106 " %%%%%%% ",
107 " %%%%%%% ",
108 " %%%%% ",
109 " %%%%% ",
110 " %%% ",
111 " %%% ",
112 " % ",
113 " % ",
114 " ",
115 " "
116 };
117
118 static Pixmap
119 renderPixmap (scrollBar_t *sb, const char *const *data, int width, int height)
120 {
121 char a;
122 int x, y;
123 Pixmap d;
124 GC pointcolour;
125
126 d = XCreatePixmap (sb->term->dpy, sb->win, width, height, sb->term->depth);
127
128 for (y = 0; y < height; y++)
129 {
130 for (x = 0; x < width; x++)
131 {
132 if ((a = data[y][x]) == ' ' || a == 'w')
133 pointcolour = sb->whiteGC;
134 else if (a == '.' || a == 'l')
135 pointcolour = sb->grayGC;
136 else if (a == '%' || a == 'd')
137 pointcolour = sb->darkGC;
138 else /* if (a == '#' || a == 'b' || a) */
139 pointcolour = sb->blackGC;
140
141 XDrawPoint (sb->term->dpy, d, pointcolour, x, y);
142 }
143 }
144 return d;
145 }
146
147 void
148 scrollBar_t::init_next ()
149 {
150 XGCValues gcvalue;
151 XColor xcol;
152 Pixmap stipple;
153 unsigned long light, dark;
154
155 gcvalue.graphics_exposures = False;
156
157 gcvalue.foreground = term->pix_colors_focused[Color_Black];
158 blackGC = XCreateGC (term->dpy, win,
159 GCForeground | GCGraphicsExposures, &gcvalue);
160
161 gcvalue.foreground = term->pix_colors_focused[Color_White];
162 whiteGC = XCreateGC (term->dpy, win,
163 GCForeground | GCGraphicsExposures, &gcvalue);
164
165 xcol.red = 0xaeba;
166 xcol.green = 0xaaaa;
167 xcol.blue = 0xaeba;
168 xcol.pixel = term->pix_colors_focused[Color_scroll];
169 light = gcvalue.foreground = xcol.pixel;
170 grayGC = XCreateGC (term->dpy, win,
171 GCForeground | GCGraphicsExposures, &gcvalue);
172
173 xcol.red = 0x51aa;
174 xcol.green = 0x5555;
175 xcol.blue = 0x5144;
176 //if (!rXAllocColor (&xcol, "dark gray"))//TODO//D//
177 xcol.pixel = term->pix_colors_focused[Color_Grey25];
178 dark = gcvalue.foreground = xcol.pixel;
179 darkGC = XCreateGC (term->dpy, win,
180 GCForeground | GCGraphicsExposures, &gcvalue);
181
182 stipple = XCreateBitmapFromData (term->dpy, win,
183 (char *)n_stp_bits, n_stp_width,
184 n_stp_height);
185
186 gcvalue.foreground = dark;
187 gcvalue.background = light;
188 gcvalue.fill_style = FillOpaqueStippled;
189 gcvalue.stipple = stipple;
190
191 /* XSetWindowBackground (dpy, scrollBar.win, pix_colors_focused[Color_Red]); */
192
193 stippleGC = XCreateGC (term->dpy, win,
194 GCForeground | GCBackground | GCStipple
195 | GCFillStyle | GCGraphicsExposures, &gcvalue);
196
197 dimple = renderPixmap (this, SCROLLER_DIMPLE, SCROLLER_DIMPLE_WIDTH,
198 SCROLLER_DIMPLE_HEIGHT);
199
200 upArrow = renderPixmap (this, SCROLLER_ARROW_UP, ARROW_WIDTH,
201 ARROW_HEIGHT);
202 downArrow = renderPixmap (this, SCROLLER_ARROW_DOWN, ARROW_WIDTH,
203 ARROW_HEIGHT);
204 upArrowHi = renderPixmap (this, HI_SCROLLER_ARROW_UP, ARROW_WIDTH,
205 ARROW_HEIGHT);
206 downArrowHi = renderPixmap (this, HI_SCROLLER_ARROW_DOWN,
207 ARROW_WIDTH, ARROW_HEIGHT);
208 }
209
210 /* Draw bevel & arrows */
211 static void
212 drawBevel (scrollBar_t *sb, int x1, int y1, int w, int h)
213 {
214 int x2, y2;
215 Drawable d = sb->win;
216 Display *dpy = sb->term->dpy;
217
218 x2 = x1 + w - 1; /* right point */
219 y2 = y1 + h - 1; /* bottom point */
220 /* white top and left */
221 XDrawLine (dpy, d, sb->whiteGC, x1, y1, x2, y1);
222 XDrawLine (dpy, d, sb->whiteGC, x1, y1, x1, y2);
223 /* black bottom and right */
224 XDrawLine (dpy, d, sb->blackGC, x1, y2, x2, y2);
225 XDrawLine (dpy, d, sb->blackGC, x2, y1, x2, y2);
226 /* dark inside bottom and right */
227 x1++, y1++, x2--, y2--; /* move in one point */
228 XDrawLine (dpy, d, sb->darkGC, x1, y2, x2, y2);
229 XDrawLine (dpy, d, sb->darkGC, x2, y1, x2, y2);
230 }
231
232 int
233 scrollBar_t::show_next (int update)
234 {
235 int height = end + SB_BUTTON_TOTAL_HEIGHT + SB_PADDING;
236 Drawable src;
237
238 if ((init & R_SB_NEXT) == 0)
239 {
240 init |= R_SB_NEXT;
241 init_next ();
242 }
243
244 if (term->top_row == 0 || !update)
245 {
246 XFillRectangle (term->dpy, win, grayGC, 0, 0,
247 SB_WIDTH_NEXT + 1, height);
248 XDrawRectangle (term->dpy, win, blackGC, 0,
249 -SB_BORDER_WIDTH, SB_WIDTH_NEXT,
250 height + SB_BORDER_WIDTH);
251 XFillRectangle (term->dpy, win, stippleGC,
252 SB_LEFT_PADDING, 0, SB_BUTTON_WIDTH, height);
253 }
254
255 if (term->top_row)
256 {
257 if (last_top < top || !update)
258 XFillRectangle (term->dpy, win, stippleGC,
259 SB_LEFT_PADDING, SB_PADDING + last_top,
260 SB_BUTTON_WIDTH, top - last_top);
261
262 if (bot < last_bot || !update)
263 XFillRectangle (term->dpy, win, stippleGC,
264 SB_LEFT_PADDING, bot + SB_PADDING,
265 SB_BUTTON_WIDTH, (last_bot - bot));
266
267 XFillRectangle (term->dpy, win, grayGC,
268 SB_LEFT_PADDING, top + SB_PADDING,
269 SB_BUTTON_WIDTH, bot - top);
270
271 XCopyArea (term->dpy, dimple, win, whiteGC, 0, 0,
272 SCROLLER_DIMPLE_WIDTH, SCROLLER_DIMPLE_HEIGHT,
273 (SB_WIDTH_NEXT - SCROLLER_DIMPLE_WIDTH) / 2,
274 top + SB_BEVEL_WIDTH_UPPER_LEFT +
275 (bot - top - SCROLLER_DIMPLE_HEIGHT) / 2);
276
277 drawBevel (this, SB_BUTTON_BEVEL_X,
278 top + SB_PADDING, SB_BUTTON_WIDTH,
279 bot - top);
280 drawBevel (this, SB_BUTTON_BEVEL_X,
281 height - SB_BUTTON_BOTH_HEIGHT, SB_BUTTON_WIDTH,
282 SB_BUTTON_HEIGHT);
283 drawBevel (this, SB_BUTTON_BEVEL_X,
284 height - SB_BUTTON_SINGLE_HEIGHT, SB_BUTTON_WIDTH,
285 SB_BUTTON_HEIGHT);
286
287 src = state == STATE_UP ? upArrowHi : upArrow;
288 XCopyArea (term->dpy, src, win, whiteGC, 0, 0,
289 ARROW_WIDTH, ARROW_HEIGHT, SB_BUTTON_FACE_X,
290 height - SB_BUTTON_BOTH_HEIGHT + SB_BEVEL_WIDTH_UPPER_LEFT);
291
292 src = state == STATE_DOWN ? downArrowHi : downArrow;
293 XCopyArea (term->dpy, src, win, whiteGC, 0, 0,
294 ARROW_WIDTH, ARROW_HEIGHT, SB_BUTTON_FACE_X,
295 height - SB_BUTTON_SINGLE_HEIGHT + SB_BEVEL_WIDTH_UPPER_LEFT);
296 }
297
298 return 1;
299 }
300 #endif /* NEXT_SCROLLBAR */
301 /*----------------------- end-of-file (C source) -----------------------*/