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annotate draw.c @ 257:32dc3acfffc0

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simplified drawtext
author Anselm R.Garbe <arg@10ksloc.org>
date Fri, 11 Aug 2006 11:52:55 +0200
parents e5390f8e06b9
children d6fd632d861c
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@218 25 drawtext(const char *text, Bool invert)
garbeam@2 26 {
garbeam@33 27 int x, y, w, h;
arg@123 28 static char buf[256];
garbeam@33 29 unsigned int len;
garbeam@2 30 XGCValues gcv;
arg@257 31 XPoint points[5];
garbeam@34 32 XRectangle r = { dc.x, dc.y, dc.w, dc.h };
garbeam@2 33
garbeam@66 34 XSetForeground(dpy, dc.gc, invert ? dc.fg : dc.bg);
garbeam@34 35 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
arg@257 36 XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
arg@257 37 XSetForeground(dpy, dc.gc, dc.border);
arg@257 38 points[0].x = dc.x;
arg@257 39 points[0].y = dc.y;
arg@257 40 points[1].x = dc.w - 1;
arg@257 41 points[1].y = 0;
arg@257 42 points[2].x = 0;
arg@257 43 points[2].y = dc.h - 1;
arg@257 44 points[3].x = -(dc.w - 1);
arg@257 45 points[3].y = 0;
arg@257 46 points[4].x = 0;
arg@257 47 points[4].y = -(dc.h - 1);
arg@257 48 XDrawLines(dpy, dc.drawable, dc.gc, points, 5, CoordModePrevious);
arg@237 49
garbeam@3 50 if(!text)
garbeam@2 51 return;
garbeam@2 52
arg@218 53 w = 0;
garbeam@3 54 len = strlen(text);
garbeam@2 55 if(len >= sizeof(buf))
garbeam@2 56 len = sizeof(buf) - 1;
garbeam@3 57 memcpy(buf, text, len);
garbeam@2 58 buf[len] = 0;
garbeam@2 59
garbeam@34 60 h = dc.font.ascent + dc.font.descent;
garbeam@34 61 y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
garbeam@34 62 x = dc.x + (h / 2);
garbeam@2 63
garbeam@2 64 /* shorten text if necessary */
garbeam@43 65 while(len && (w = textnw(buf, len)) > dc.w - h)
garbeam@2 66 buf[--len] = 0;
garbeam@2 67
garbeam@34 68 if(w > dc.w)
garbeam@2 69 return; /* too long */
garbeam@2 70
garbeam@66 71 gcv.foreground = invert ? dc.bg : dc.fg;
garbeam@66 72 gcv.background = invert ? dc.fg : dc.bg;
garbeam@34 73 if(dc.font.set) {
garbeam@34 74 XChangeGC(dpy, dc.gc, GCForeground | GCBackground, &gcv);
garbeam@34 75 XmbDrawImageString(dpy, dc.drawable, dc.font.set, dc.gc,
garbeam@2 76 x, y, buf, len);
garbeam@2 77 }
garbeam@2 78 else {
garbeam@34 79 gcv.font = dc.font.xfont->fid;
garbeam@34 80 XChangeGC(dpy, dc.gc, GCForeground | GCBackground | GCFont, &gcv);
garbeam@34 81 XDrawImageString(dpy, dc.drawable, dc.gc, x, y, buf, len);
garbeam@2 82 }
garbeam@2 83 }
garbeam@2 84
garbeam@84 85 /* extern */
garbeam@77 86
garbeam@77 87 void
garbeam@77 88 drawall()
garbeam@77 89 {
garbeam@77 90 Client *c;
garbeam@77 91
arg@142 92 for(c = clients; c; c = getnext(c->next))
garbeam@77 93 drawtitle(c);
garbeam@77 94 drawstatus();
garbeam@77 95 }
garbeam@77 96
garbeam@77 97 void
garbeam@77 98 drawstatus()
garbeam@77 99 {
arg@124 100 int i, x;
garbeam@77 101 Bool istile = arrange == dotile;
garbeam@77 102
garbeam@77 103 dc.x = dc.y = 0;
garbeam@77 104 dc.w = bw;
arg@218 105 drawtext(NULL, !istile);
garbeam@77 106
garbeam@77 107 dc.w = 0;
arg@178 108 for(i = 0; i < ntags; i++) {
garbeam@77 109 dc.x += dc.w;
garbeam@77 110 dc.w = textw(tags[i]);
garbeam@77 111 if(istile)
arg@218 112 drawtext(tags[i], (i == tsel));
garbeam@77 113 else
arg@218 114 drawtext(tags[i], (i != tsel));
garbeam@77 115 }
arg@124 116 x = dc.x + dc.w;
garbeam@77 117 dc.w = textw(stext);
garbeam@77 118 dc.x = bx + bw - dc.w;
arg@218 119 drawtext(stext, !istile);
arg@124 120 if(sel && ((dc.w = dc.x - x) >= bh)) {
arg@124 121 dc.x = x;
arg@218 122 drawtext(sel->name, istile);
arg@124 123 }
garbeam@77 124 XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, bw, bh, 0, 0);
garbeam@79 125 XSync(dpy, False);
garbeam@77 126 }
garbeam@77 127
garbeam@76 128 void
garbeam@76 129 drawtitle(Client *c)
garbeam@76 130 {
garbeam@76 131 int i;
garbeam@76 132 Bool istile = arrange == dotile;
garbeam@76 133
arg@239 134 if(c == sel && issel) {
garbeam@76 135 drawstatus();
garbeam@76 136 XUnmapWindow(dpy, c->title);
garbeam@76 137 XSetWindowBorder(dpy, c->win, dc.fg);
garbeam@76 138 return;
garbeam@76 139 }
garbeam@76 140
garbeam@76 141 XSetWindowBorder(dpy, c->win, dc.bg);
garbeam@76 142 XMapWindow(dpy, c->title);
garbeam@76 143
garbeam@76 144 dc.x = dc.y = 0;
garbeam@76 145
garbeam@76 146 dc.w = 0;
arg@178 147 for(i = 0; i < ntags; i++) {
garbeam@76 148 if(c->tags[i]) {
garbeam@76 149 dc.x += dc.w;
arg@173 150 dc.w = textw(tags[i]);
arg@218 151 drawtext(tags[i], !istile);
garbeam@76 152 }
garbeam@76 153 }
garbeam@76 154 dc.x += dc.w;
garbeam@76 155 dc.w = textw(c->name);
arg@218 156 drawtext(c->name, !istile);
garbeam@79 157 XCopyArea(dpy, dc.drawable, c->title, dc.gc, 0, 0, c->tw, c->th, 0, 0);
garbeam@79 158 XSync(dpy, False);
garbeam@76 159 }
garbeam@76 160
garbeam@43 161 unsigned long
garbeam@74 162 getcolor(const char *colstr)
garbeam@2 163 {
arg@123 164 Colormap cmap = DefaultColormap(dpy, screen);
garbeam@2 165 XColor color;
garbeam@43 166
garbeam@2 167 XAllocNamedColor(dpy, cmap, colstr, &color, &color);
garbeam@2 168 return color.pixel;
garbeam@2 169 }
garbeam@2 170
garbeam@2 171 void
garbeam@74 172 setfont(const char *fontstr)
garbeam@2 173 {
garbeam@2 174 char **missing, *def;
garbeam@33 175 int i, n;
garbeam@2 176
garbeam@7 177 missing = NULL;
garbeam@2 178 setlocale(LC_ALL, "");
garbeam@43 179 if(dc.font.set)
garbeam@43 180 XFreeFontSet(dpy, dc.font.set);
garbeam@43 181 dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
garbeam@2 182 if(missing) {
garbeam@2 183 while(n--)
garbeam@2 184 fprintf(stderr, "missing fontset: %s\n", missing[n]);
garbeam@2 185 XFreeStringList(missing);
garbeam@43 186 if(dc.font.set) {
garbeam@43 187 XFreeFontSet(dpy, dc.font.set);
garbeam@43 188 dc.font.set = NULL;
garbeam@2 189 }
garbeam@2 190 }
garbeam@43 191 if(dc.font.set) {
garbeam@2 192 XFontSetExtents *font_extents;
garbeam@2 193 XFontStruct **xfonts;
garbeam@2 194 char **font_names;
garbeam@2 195
garbeam@43 196 dc.font.ascent = dc.font.descent = 0;
garbeam@43 197 font_extents = XExtentsOfFontSet(dc.font.set);
garbeam@43 198 n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
garbeam@43 199 for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
garbeam@43 200 if(dc.font.ascent < (*xfonts)->ascent)
garbeam@43 201 dc.font.ascent = (*xfonts)->ascent;
garbeam@43 202 if(dc.font.descent < (*xfonts)->descent)
garbeam@43 203 dc.font.descent = (*xfonts)->descent;
garbeam@2 204 xfonts++;
garbeam@2 205 }
garbeam@2 206 }
garbeam@2 207 else {
garbeam@43 208 if(dc.font.xfont)
garbeam@43 209 XFreeFont(dpy, dc.font.xfont);
garbeam@43 210 dc.font.xfont = NULL;
garbeam@43 211 dc.font.xfont = XLoadQueryFont(dpy, fontstr);
garbeam@43 212 if (!dc.font.xfont)
garbeam@43 213 dc.font.xfont = XLoadQueryFont(dpy, "fixed");
garbeam@43 214 if (!dc.font.xfont)
garbeam@75 215 eprint("error, cannot init 'fixed' font\n");
garbeam@43 216 dc.font.ascent = dc.font.xfont->ascent;
garbeam@43 217 dc.font.descent = dc.font.xfont->descent;
garbeam@2 218 }
garbeam@43 219 dc.font.height = dc.font.ascent + dc.font.descent;
garbeam@2 220 }
garbeam@76 221
garbeam@76 222 unsigned int
arg@173 223 textw(const char *text)
garbeam@76 224 {
garbeam@76 225 return textnw(text, strlen(text)) + dc.font.height;
garbeam@76 226 }