dwm-meillo

annotate draw.c @ 380:4bf79305d675

find changesets by author, revision, files, or words in the commit message
this algorithm seems to keep order for any scenario
author Anselm R. Garbe <arg@10kloc.org>
date Tue, 29 Aug 2006 09:57:57 +0200
parents fc9d35252ab4
children 9d23330a5268
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@353 25 drawtext(const char *text, unsigned long col[ColLast], 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@344 31 XRectangle r = { dc.x, dc.y, dc.w, dc.h };
arg@344 32
arg@353 33 XSetForeground(dpy, dc.gc, col[ColBG]);
arg@344 34 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
arg@237 35
garbeam@3 36 if(!text)
garbeam@2 37 return;
garbeam@2 38
arg@218 39 w = 0;
arg@269 40 olen = len = strlen(text);
garbeam@2 41 if(len >= sizeof(buf))
garbeam@2 42 len = sizeof(buf) - 1;
garbeam@3 43 memcpy(buf, text, len);
garbeam@2 44 buf[len] = 0;
garbeam@2 45
garbeam@34 46 h = dc.font.ascent + dc.font.descent;
garbeam@34 47 y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
garbeam@34 48 x = dc.x + (h / 2);
garbeam@2 49
garbeam@2 50 /* shorten text if necessary */
garbeam@43 51 while(len && (w = textnw(buf, len)) > dc.w - h)
garbeam@2 52 buf[--len] = 0;
arg@269 53 if(len < olen) {
arg@273 54 if(len > 1)
arg@273 55 buf[len - 1] = '.';
arg@273 56 if(len > 2)
arg@273 57 buf[len - 2] = '.';
arg@269 58 if(len > 3)
arg@273 59 buf[len - 3] = '.';
arg@269 60 }
garbeam@2 61
garbeam@34 62 if(w > dc.w)
garbeam@2 63 return; /* too long */
arg@353 64 gcv.foreground = col[ColFG];
arg@352 65 if(dc.font.set) {
arg@353 66 XChangeGC(dpy, dc.gc, GCForeground, &gcv);
arg@342 67 XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
arg@352 68 }
garbeam@2 69 else {
arg@352 70 gcv.font = dc.font.xfont->fid;
arg@353 71 XChangeGC(dpy, dc.gc, GCForeground | GCFont, &gcv);
arg@342 72 XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
arg@342 73 }
arg@345 74 if(highlight) {
arg@352 75 r.x = dc.x + 2;
arg@352 76 r.y = dc.y + 2;
arg@352 77 r.width = r.height = 3;
arg@352 78 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
garbeam@2 79 }
garbeam@2 80 }
garbeam@2 81
garbeam@84 82 /* extern */
garbeam@77 83
garbeam@77 84 void
garbeam@77 85 drawall()
garbeam@77 86 {
garbeam@77 87 Client *c;
garbeam@77 88
arg@142 89 for(c = clients; c; c = getnext(c->next))
garbeam@77 90 drawtitle(c);
garbeam@77 91 drawstatus();
garbeam@77 92 }
garbeam@77 93
garbeam@77 94 void
garbeam@77 95 drawstatus()
garbeam@77 96 {
arg@124 97 int i, x;
garbeam@77 98
garbeam@77 99 dc.x = dc.y = 0;
arg@353 100
arg@178 101 for(i = 0; i < ntags; i++) {
garbeam@77 102 dc.w = textw(tags[i]);
arg@353 103 if(seltag[i])
arg@353 104 drawtext(tags[i], dc.sel, sel && sel->tags[i]);
garbeam@77 105 else
arg@353 106 drawtext(tags[i], dc.norm, sel && sel->tags[i]);
arg@362 107 dc.x += dc.w;
garbeam@77 108 }
arg@362 109
arg@362 110 dc.w = bmw;
arg@362 111 drawtext(arrange == dotile ? TILESYMBOL : FLOATSYMBOL, dc.status, False);
arg@362 112
arg@361 113 x = dc.x + dc.w;
garbeam@77 114 dc.w = textw(stext);
garbeam@77 115 dc.x = bx + bw - dc.w;
arg@342 116 if(dc.x < x) {
arg@342 117 dc.x = x;
arg@342 118 dc.w = bw - x;
arg@342 119 }
arg@353 120 drawtext(stext, dc.status, False);
arg@340 121
arg@371 122 if((dc.w = dc.x - x) > bh) {
arg@342 123 dc.x = x;
arg@371 124 if(sel)
arg@371 125 drawtext(sel->name, dc.sel, False);
arg@371 126 else
arg@371 127 drawtext(NULL, dc.norm, False);
arg@124 128 }
garbeam@77 129 XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, bw, bh, 0, 0);
garbeam@79 130 XSync(dpy, False);
garbeam@77 131 }
garbeam@77 132
garbeam@76 133 void
garbeam@76 134 drawtitle(Client *c)
garbeam@76 135 {
arg@239 136 if(c == sel && issel) {
garbeam@76 137 drawstatus();
arg@342 138 XUnmapWindow(dpy, c->twin);
arg@353 139 XSetWindowBorder(dpy, c->win, dc.sel[ColBG]);
garbeam@76 140 return;
garbeam@76 141 }
garbeam@76 142
arg@353 143 XSetWindowBorder(dpy, c->win, dc.norm[ColBG]);
arg@342 144 XMapWindow(dpy, c->twin);
arg@342 145 dc.x = dc.y = 0;
arg@342 146 dc.w = c->tw;
arg@353 147 drawtext(c->name, dc.norm, False);
arg@342 148 XCopyArea(dpy, dc.drawable, c->twin, dc.gc, 0, 0, c->tw, c->th, 0, 0);
garbeam@79 149 XSync(dpy, False);
garbeam@76 150 }
garbeam@76 151
garbeam@43 152 unsigned long
garbeam@74 153 getcolor(const char *colstr)
garbeam@2 154 {
arg@123 155 Colormap cmap = DefaultColormap(dpy, screen);
garbeam@2 156 XColor color;
garbeam@43 157
garbeam@2 158 XAllocNamedColor(dpy, cmap, colstr, &color, &color);
garbeam@2 159 return color.pixel;
garbeam@2 160 }
garbeam@2 161
garbeam@2 162 void
garbeam@74 163 setfont(const char *fontstr)
garbeam@2 164 {
garbeam@2 165 char **missing, *def;
garbeam@33 166 int i, n;
garbeam@2 167
garbeam@7 168 missing = NULL;
garbeam@2 169 setlocale(LC_ALL, "");
garbeam@43 170 if(dc.font.set)
garbeam@43 171 XFreeFontSet(dpy, dc.font.set);
garbeam@43 172 dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
garbeam@2 173 if(missing) {
garbeam@2 174 while(n--)
garbeam@2 175 fprintf(stderr, "missing fontset: %s\n", missing[n]);
garbeam@2 176 XFreeStringList(missing);
garbeam@43 177 if(dc.font.set) {
garbeam@43 178 XFreeFontSet(dpy, dc.font.set);
garbeam@43 179 dc.font.set = NULL;
garbeam@2 180 }
garbeam@2 181 }
garbeam@43 182 if(dc.font.set) {
garbeam@2 183 XFontSetExtents *font_extents;
garbeam@2 184 XFontStruct **xfonts;
garbeam@2 185 char **font_names;
garbeam@2 186
garbeam@43 187 dc.font.ascent = dc.font.descent = 0;
garbeam@43 188 font_extents = XExtentsOfFontSet(dc.font.set);
garbeam@43 189 n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
garbeam@43 190 for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
garbeam@43 191 if(dc.font.ascent < (*xfonts)->ascent)
garbeam@43 192 dc.font.ascent = (*xfonts)->ascent;
garbeam@43 193 if(dc.font.descent < (*xfonts)->descent)
garbeam@43 194 dc.font.descent = (*xfonts)->descent;
garbeam@2 195 xfonts++;
garbeam@2 196 }
garbeam@2 197 }
garbeam@2 198 else {
garbeam@43 199 if(dc.font.xfont)
garbeam@43 200 XFreeFont(dpy, dc.font.xfont);
garbeam@43 201 dc.font.xfont = NULL;
garbeam@43 202 dc.font.xfont = XLoadQueryFont(dpy, fontstr);
garbeam@43 203 if (!dc.font.xfont)
garbeam@43 204 dc.font.xfont = XLoadQueryFont(dpy, "fixed");
garbeam@43 205 if (!dc.font.xfont)
garbeam@75 206 eprint("error, cannot init 'fixed' font\n");
garbeam@43 207 dc.font.ascent = dc.font.xfont->ascent;
garbeam@43 208 dc.font.descent = dc.font.xfont->descent;
garbeam@2 209 }
garbeam@43 210 dc.font.height = dc.font.ascent + dc.font.descent;
garbeam@2 211 }
garbeam@76 212
garbeam@76 213 unsigned int
arg@173 214 textw(const char *text)
garbeam@76 215 {
garbeam@76 216 return textnw(text, strlen(text)) + dc.font.height;
garbeam@76 217 }