dwm-meillo

annotate draw.c @ 352:5a8bdc3b37cb

find changesets by author, revision, files, or words in the commit message
back to 3 colors
author Anselm R. Garbe <arg@10kloc.org>
date Fri, 25 Aug 2006 07:54:49 +0200
parents d822b5fbe11e
children 8a06efe5b563
rev   line source
garbeam@2 1 /*
garbeam@2 2 * (C)opyright MMIV-MMVI Anselm R. Garbe <garbeam at gmail dot com>
garbeam@2 3 * See LICENSE file for license details.
garbeam@2 4 */
garbeam@76 5 #include "dwm.h"
garbeam@2 6 #include <stdio.h>
garbeam@2 7 #include <string.h>
garbeam@32 8 #include <X11/Xlocale.h>
garbeam@32 9
garbeam@84 10 /* static */
garbeam@76 11
garbeam@77 12 static unsigned int
arg@173 13 textnw(const char *text, unsigned int len)
garbeam@75 14 {
garbeam@77 15 XRectangle r;
arg@123 16
garbeam@77 17 if(dc.font.set) {
garbeam@77 18 XmbTextExtents(dc.font.set, text, len, NULL, &r);
garbeam@77 19 return r.width;
garbeam@77 20 }
garbeam@77 21 return XTextWidth(dc.font.xfont, text, len);
garbeam@75 22 }
garbeam@75 23
garbeam@77 24 static void
arg@352 25 drawtext(const char *text, Bool invert, Bool highlight)
garbeam@2 26 {
arg@344 27 int x, y, w, h;
arg@344 28 static char buf[256];
arg@344 29 unsigned int len, olen;
arg@352 30 XGCValues gcv;
arg@257 31 XPoint points[5];
arg@344 32 XRectangle r = { dc.x, dc.y, dc.w, dc.h };
arg@344 33
arg@352 34 XSetForeground(dpy, dc.gc, invert ? dc.fg : dc.bg);
arg@344 35 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
arg@257 36 points[0].x = dc.x;
arg@257 37 points[0].y = dc.y;
arg@257 38 points[1].x = dc.w - 1;
arg@257 39 points[1].y = 0;
arg@257 40 points[2].x = 0;
arg@257 41 points[2].y = dc.h - 1;
arg@257 42 points[3].x = -(dc.w - 1);
arg@257 43 points[3].y = 0;
arg@257 44 points[4].x = 0;
arg@257 45 points[4].y = -(dc.h - 1);
arg@352 46 XSetForeground(dpy, dc.gc, dc.border);
arg@257 47 XDrawLines(dpy, dc.drawable, dc.gc, points, 5, CoordModePrevious);
arg@237 48
garbeam@3 49 if(!text)
garbeam@2 50 return;
garbeam@2 51
arg@218 52 w = 0;
arg@269 53 olen = len = strlen(text);
garbeam@2 54 if(len >= sizeof(buf))
garbeam@2 55 len = sizeof(buf) - 1;
garbeam@3 56 memcpy(buf, text, len);
garbeam@2 57 buf[len] = 0;
garbeam@2 58
garbeam@34 59 h = dc.font.ascent + dc.font.descent;
garbeam@34 60 y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
garbeam@34 61 x = dc.x + (h / 2);
garbeam@2 62
garbeam@2 63 /* shorten text if necessary */
garbeam@43 64 while(len && (w = textnw(buf, len)) > dc.w - h)
garbeam@2 65 buf[--len] = 0;
arg@269 66 if(len < olen) {
arg@273 67 if(len > 1)
arg@273 68 buf[len - 1] = '.';
arg@273 69 if(len > 2)
arg@273 70 buf[len - 2] = '.';
arg@269 71 if(len > 3)
arg@273 72 buf[len - 3] = '.';
arg@269 73 }
garbeam@2 74
garbeam@34 75 if(w > dc.w)
garbeam@2 76 return; /* too long */
arg@352 77 gcv.foreground = invert ? dc.bg : dc.fg;
arg@352 78 gcv.background = invert ? dc.fg : dc.bg;
arg@352 79 if(dc.font.set) {
arg@352 80 XChangeGC(dpy, dc.gc, GCForeground | GCBackground, &gcv);
arg@342 81 XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
arg@352 82 }
garbeam@2 83 else {
arg@352 84 gcv.font = dc.font.xfont->fid;
arg@352 85 XChangeGC(dpy, dc.gc, GCForeground | GCBackground | GCFont, &gcv);
arg@342 86 XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
arg@342 87 }
arg@345 88 if(highlight) {
arg@352 89 r.x = dc.x + 2;
arg@352 90 r.y = dc.y + 2;
arg@352 91 r.width = r.height = 3;
arg@352 92 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
garbeam@2 93 }
garbeam@2 94 }
garbeam@2 95
garbeam@84 96 /* extern */
garbeam@77 97
garbeam@77 98 void
garbeam@77 99 drawall()
garbeam@77 100 {
garbeam@77 101 Client *c;
garbeam@77 102
arg@142 103 for(c = clients; c; c = getnext(c->next))
garbeam@77 104 drawtitle(c);
garbeam@77 105 drawstatus();
garbeam@77 106 }
garbeam@77 107
garbeam@77 108 void
garbeam@77 109 drawstatus()
garbeam@77 110 {
arg@124 111 int i, x;
garbeam@77 112 Bool istile = arrange == dotile;
garbeam@77 113
garbeam@77 114 dc.x = dc.y = 0;
garbeam@77 115 dc.w = bw;
arg@352 116 drawtext(NULL, !istile, False);
garbeam@77 117
garbeam@77 118 dc.w = 0;
arg@178 119 for(i = 0; i < ntags; i++) {
garbeam@77 120 dc.x += dc.w;
garbeam@77 121 dc.w = textw(tags[i]);
garbeam@77 122 if(istile)
arg@352 123 drawtext(tags[i], seltag[i], sel && sel->tags[i]);
garbeam@77 124 else
arg@352 125 drawtext(tags[i], !seltag[i], sel && sel->tags[i]);
garbeam@77 126 }
arg@124 127 x = dc.x + dc.w;
garbeam@77 128 dc.w = textw(stext);
garbeam@77 129 dc.x = bx + bw - dc.w;
arg@342 130 if(dc.x < x) {
arg@342 131 dc.x = x;
arg@342 132 dc.w = bw - x;
arg@342 133 }
arg@352 134 drawtext(stext, !istile, False);
arg@340 135
arg@342 136 if(sel && ((dc.w = dc.x - x) > bh)) {
arg@342 137 dc.x = x;
arg@352 138 drawtext(sel->name, istile, False);
arg@124 139 }
garbeam@77 140 XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, bw, bh, 0, 0);
garbeam@79 141 XSync(dpy, False);
garbeam@77 142 }
garbeam@77 143
garbeam@76 144 void
garbeam@76 145 drawtitle(Client *c)
garbeam@76 146 {
garbeam@76 147 int i;
garbeam@76 148 Bool istile = arrange == dotile;
garbeam@76 149
arg@239 150 if(c == sel && issel) {
garbeam@76 151 drawstatus();
arg@342 152 XUnmapWindow(dpy, c->twin);
arg@352 153 XSetWindowBorder(dpy, c->win, dc.fg);
garbeam@76 154 return;
garbeam@76 155 }
garbeam@76 156
arg@352 157 XSetWindowBorder(dpy, c->win, dc.bg);
arg@342 158 XMapWindow(dpy, c->twin);
arg@342 159 dc.x = dc.y = 0;
arg@342 160 dc.w = c->tw;
arg@352 161 drawtext(c->name, !istile, False);
arg@342 162 XCopyArea(dpy, dc.drawable, c->twin, dc.gc, 0, 0, c->tw, c->th, 0, 0);
garbeam@79 163 XSync(dpy, False);
garbeam@76 164 }
garbeam@76 165
garbeam@43 166 unsigned long
garbeam@74 167 getcolor(const char *colstr)
garbeam@2 168 {
arg@123 169 Colormap cmap = DefaultColormap(dpy, screen);
garbeam@2 170 XColor color;
garbeam@43 171
garbeam@2 172 XAllocNamedColor(dpy, cmap, colstr, &color, &color);
garbeam@2 173 return color.pixel;
garbeam@2 174 }
garbeam@2 175
garbeam@2 176 void
garbeam@74 177 setfont(const char *fontstr)
garbeam@2 178 {
garbeam@2 179 char **missing, *def;
garbeam@33 180 int i, n;
garbeam@2 181
garbeam@7 182 missing = NULL;
garbeam@2 183 setlocale(LC_ALL, "");
garbeam@43 184 if(dc.font.set)
garbeam@43 185 XFreeFontSet(dpy, dc.font.set);
garbeam@43 186 dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
garbeam@2 187 if(missing) {
garbeam@2 188 while(n--)
garbeam@2 189 fprintf(stderr, "missing fontset: %s\n", missing[n]);
garbeam@2 190 XFreeStringList(missing);
garbeam@43 191 if(dc.font.set) {
garbeam@43 192 XFreeFontSet(dpy, dc.font.set);
garbeam@43 193 dc.font.set = NULL;
garbeam@2 194 }
garbeam@2 195 }
garbeam@43 196 if(dc.font.set) {
garbeam@2 197 XFontSetExtents *font_extents;
garbeam@2 198 XFontStruct **xfonts;
garbeam@2 199 char **font_names;
garbeam@2 200
garbeam@43 201 dc.font.ascent = dc.font.descent = 0;
garbeam@43 202 font_extents = XExtentsOfFontSet(dc.font.set);
garbeam@43 203 n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
garbeam@43 204 for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
garbeam@43 205 if(dc.font.ascent < (*xfonts)->ascent)
garbeam@43 206 dc.font.ascent = (*xfonts)->ascent;
garbeam@43 207 if(dc.font.descent < (*xfonts)->descent)
garbeam@43 208 dc.font.descent = (*xfonts)->descent;
garbeam@2 209 xfonts++;
garbeam@2 210 }
garbeam@2 211 }
garbeam@2 212 else {
garbeam@43 213 if(dc.font.xfont)
garbeam@43 214 XFreeFont(dpy, dc.font.xfont);
garbeam@43 215 dc.font.xfont = NULL;
garbeam@43 216 dc.font.xfont = XLoadQueryFont(dpy, fontstr);
garbeam@43 217 if (!dc.font.xfont)
garbeam@43 218 dc.font.xfont = XLoadQueryFont(dpy, "fixed");
garbeam@43 219 if (!dc.font.xfont)
garbeam@75 220 eprint("error, cannot init 'fixed' font\n");
garbeam@43 221 dc.font.ascent = dc.font.xfont->ascent;
garbeam@43 222 dc.font.descent = dc.font.xfont->descent;
garbeam@2 223 }
garbeam@43 224 dc.font.height = dc.font.ascent + dc.font.descent;
garbeam@2 225 }
garbeam@76 226
garbeam@76 227 unsigned int
arg@173 228 textw(const char *text)
garbeam@76 229 {
garbeam@76 230 return textnw(text, strlen(text)) + dc.font.height;
garbeam@76 231 }