dwm-meillo

annotate draw.c @ 583:f4285a97e3e6

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applied Jukka's patch preventing some cornercases and making the EOF error message correct
author arg@mig29
date Mon, 27 Nov 2006 10:29:47 +0100
parents 427708bf5f36
children 7a48d1f06223
rev   line source
arg@532 1 /* (C)opyright MMIV-MMVI Anselm R. Garbe <garbeam at gmail dot com>
garbeam@2 2 * See LICENSE file for license details.
garbeam@2 3 */
garbeam@76 4 #include "dwm.h"
garbeam@2 5 #include <stdio.h>
garbeam@2 6 #include <string.h>
garbeam@32 7 #include <X11/Xlocale.h>
garbeam@32 8
garbeam@84 9 /* static */
garbeam@76 10
arg@572 11 static Bool
arg@572 12 isoccupied(unsigned int t)
arg@572 13 {
arg@572 14 Client *c;
arg@572 15 for(c = clients; c; c = c->next)
arg@572 16 if(c->tags[t])
arg@572 17 return True;
arg@572 18 return False;
arg@572 19 }
arg@572 20
garbeam@77 21 static unsigned int
arg@461 22 textnw(const char *text, unsigned int len) {
garbeam@77 23 XRectangle r;
arg@123 24
garbeam@77 25 if(dc.font.set) {
garbeam@77 26 XmbTextExtents(dc.font.set, text, len, NULL, &r);
garbeam@77 27 return r.width;
garbeam@77 28 }
garbeam@77 29 return XTextWidth(dc.font.xfont, text, len);
garbeam@75 30 }
garbeam@75 31
garbeam@77 32 static void
arg@572 33 drawtext(const char *text, unsigned long col[ColLast], Bool ldot, Bool rdot) {
arg@344 34 int x, y, w, h;
arg@344 35 static char buf[256];
arg@344 36 unsigned int len, olen;
arg@352 37 XGCValues gcv;
arg@344 38 XRectangle r = { dc.x, dc.y, dc.w, dc.h };
arg@344 39
arg@353 40 XSetForeground(dpy, dc.gc, col[ColBG]);
arg@344 41 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
garbeam@3 42 if(!text)
garbeam@2 43 return;
arg@218 44 w = 0;
arg@269 45 olen = len = strlen(text);
arg@581 46 if(len >= sizeof buf)
arg@581 47 len = sizeof buf - 1;
garbeam@3 48 memcpy(buf, text, len);
garbeam@2 49 buf[len] = 0;
garbeam@34 50 h = dc.font.ascent + dc.font.descent;
garbeam@34 51 y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
garbeam@34 52 x = dc.x + (h / 2);
garbeam@2 53 /* shorten text if necessary */
garbeam@43 54 while(len && (w = textnw(buf, len)) > dc.w - h)
garbeam@2 55 buf[--len] = 0;
arg@269 56 if(len < olen) {
arg@273 57 if(len > 1)
arg@273 58 buf[len - 1] = '.';
arg@273 59 if(len > 2)
arg@273 60 buf[len - 2] = '.';
arg@269 61 if(len > 3)
arg@273 62 buf[len - 3] = '.';
arg@269 63 }
garbeam@34 64 if(w > dc.w)
garbeam@2 65 return; /* too long */
arg@353 66 gcv.foreground = col[ColFG];
arg@352 67 if(dc.font.set) {
arg@353 68 XChangeGC(dpy, dc.gc, GCForeground, &gcv);
arg@342 69 XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
arg@352 70 }
garbeam@2 71 else {
arg@352 72 gcv.font = dc.font.xfont->fid;
arg@353 73 XChangeGC(dpy, dc.gc, GCForeground | GCFont, &gcv);
arg@342 74 XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
arg@342 75 }
arg@572 76 if(ldot) {
arg@352 77 r.x = dc.x + 2;
arg@352 78 r.y = dc.y + 2;
arg@519 79 r.width = r.height = (h + 2) / 4;
arg@352 80 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
garbeam@2 81 }
arg@572 82 if(rdot) {
arg@572 83 r.width = r.height = (h + 2) / 4;
arg@572 84 r.x = dc.x + dc.w - r.width - 2;
arg@572 85 r.y = dc.y + dc.h - r.height - 2;
arg@572 86 XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
arg@572 87 }
garbeam@2 88 }
garbeam@2 89
garbeam@84 90 /* extern */
garbeam@77 91
garbeam@77 92 void
arg@487 93 drawall(void) {
garbeam@77 94 Client *c;
garbeam@77 95
arg@142 96 for(c = clients; c; c = getnext(c->next))
garbeam@77 97 drawtitle(c);
garbeam@77 98 drawstatus();
garbeam@77 99 }
garbeam@77 100
garbeam@77 101 void
arg@487 102 drawstatus(void) {
arg@124 103 int i, x;
garbeam@77 104
garbeam@77 105 dc.x = dc.y = 0;
arg@178 106 for(i = 0; i < ntags; i++) {
garbeam@77 107 dc.w = textw(tags[i]);
arg@353 108 if(seltag[i])
arg@572 109 drawtext(tags[i], dc.sel, sel && sel->tags[i], isoccupied(i));
garbeam@77 110 else
arg@572 111 drawtext(tags[i], dc.norm, sel && sel->tags[i], isoccupied(i));
arg@362 112 dc.x += dc.w;
garbeam@77 113 }
arg@362 114 dc.w = bmw;
arg@572 115 drawtext(arrange == dofloat ? FLOATSYMBOL : TILESYMBOL, dc.status, False, False);
arg@361 116 x = dc.x + dc.w;
garbeam@77 117 dc.w = textw(stext);
arg@570 118 dc.x = bw - dc.w;
arg@342 119 if(dc.x < x) {
arg@342 120 dc.x = x;
arg@342 121 dc.w = bw - x;
arg@342 122 }
arg@572 123 drawtext(stext, dc.status, False, False);
arg@371 124 if((dc.w = dc.x - x) > bh) {
arg@342 125 dc.x = x;
arg@572 126 drawtext(sel ? sel->name : NULL, sel ? dc.sel : dc.norm, False, False);
arg@124 127 }
garbeam@77 128 XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, bw, bh, 0, 0);
garbeam@79 129 XSync(dpy, False);
garbeam@77 130 }
garbeam@77 131
garbeam@76 132 void
arg@461 133 drawtitle(Client *c) {
arg@239 134 if(c == sel && issel) {
garbeam@76 135 drawstatus();
arg@342 136 XUnmapWindow(dpy, c->twin);
arg@353 137 XSetWindowBorder(dpy, c->win, dc.sel[ColBG]);
garbeam@76 138 return;
garbeam@76 139 }
arg@353 140 XSetWindowBorder(dpy, c->win, dc.norm[ColBG]);
arg@342 141 XMapWindow(dpy, c->twin);
arg@342 142 dc.x = dc.y = 0;
arg@342 143 dc.w = c->tw;
arg@572 144 drawtext(c->name, dc.norm, False,False);
arg@342 145 XCopyArea(dpy, dc.drawable, c->twin, dc.gc, 0, 0, c->tw, c->th, 0, 0);
garbeam@79 146 XSync(dpy, False);
garbeam@76 147 }
garbeam@76 148
garbeam@43 149 unsigned long
arg@461 150 getcolor(const char *colstr) {
arg@123 151 Colormap cmap = DefaultColormap(dpy, screen);
garbeam@2 152 XColor color;
garbeam@43 153
arg@495 154 if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
arg@495 155 eprint("error, cannot allocate color '%s'\n", colstr);
garbeam@2 156 return color.pixel;
garbeam@2 157 }
garbeam@2 158
garbeam@2 159 void
arg@461 160 setfont(const char *fontstr) {
garbeam@2 161 char **missing, *def;
garbeam@33 162 int i, n;
garbeam@2 163
garbeam@7 164 missing = NULL;
garbeam@2 165 setlocale(LC_ALL, "");
garbeam@43 166 if(dc.font.set)
garbeam@43 167 XFreeFontSet(dpy, dc.font.set);
garbeam@43 168 dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
garbeam@2 169 if(missing) {
garbeam@2 170 while(n--)
garbeam@2 171 fprintf(stderr, "missing fontset: %s\n", missing[n]);
garbeam@2 172 XFreeStringList(missing);
garbeam@43 173 if(dc.font.set) {
garbeam@43 174 XFreeFontSet(dpy, dc.font.set);
garbeam@43 175 dc.font.set = NULL;
garbeam@2 176 }
garbeam@2 177 }
garbeam@43 178 if(dc.font.set) {
garbeam@2 179 XFontSetExtents *font_extents;
garbeam@2 180 XFontStruct **xfonts;
garbeam@2 181 char **font_names;
garbeam@43 182 dc.font.ascent = dc.font.descent = 0;
garbeam@43 183 font_extents = XExtentsOfFontSet(dc.font.set);
garbeam@43 184 n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
garbeam@43 185 for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
garbeam@43 186 if(dc.font.ascent < (*xfonts)->ascent)
garbeam@43 187 dc.font.ascent = (*xfonts)->ascent;
garbeam@43 188 if(dc.font.descent < (*xfonts)->descent)
garbeam@43 189 dc.font.descent = (*xfonts)->descent;
garbeam@2 190 xfonts++;
garbeam@2 191 }
garbeam@2 192 }
garbeam@2 193 else {
garbeam@43 194 if(dc.font.xfont)
garbeam@43 195 XFreeFont(dpy, dc.font.xfont);
garbeam@43 196 dc.font.xfont = NULL;
garbeam@43 197 dc.font.xfont = XLoadQueryFont(dpy, fontstr);
garbeam@43 198 if (!dc.font.xfont)
garbeam@43 199 dc.font.xfont = XLoadQueryFont(dpy, "fixed");
garbeam@43 200 if (!dc.font.xfont)
garbeam@75 201 eprint("error, cannot init 'fixed' font\n");
garbeam@43 202 dc.font.ascent = dc.font.xfont->ascent;
garbeam@43 203 dc.font.descent = dc.font.xfont->descent;
garbeam@2 204 }
garbeam@43 205 dc.font.height = dc.font.ascent + dc.font.descent;
garbeam@2 206 }
garbeam@76 207
garbeam@76 208 unsigned int
arg@461 209 textw(const char *text) {
garbeam@76 210 return textnw(text, strlen(text)) + dc.font.height;
garbeam@76 211 }