Use rxvt_temp_buf in more places.
[dana/urxvt.git] / src / scrollbar-next.C
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) -----------------------*/