-/* (C)opyright MMIV-MMVII Anselm R. Garbe <garbeam at gmail dot com>
- * See LICENSE file for license details.
- */
-#include "dwm.h"
+/* See LICENSE file for copyright and license details. */
+#include <locale.h>
+#include <stdarg.h>
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
+#include <X11/Xlib.h>
+#include "draw.h"
-/* static */
+#define MAX(a, b) ((a) > (b) ? (a) : (b))
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
+#define DEFAULTFN "fixed"
-static Bool
-isoccupied(unsigned int t)
-{
- Client *c;
- for(c = clients; c; c = c->next)
- if(c->tags[t])
- return True;
- return False;
+static Bool loadfont(DC *dc, const char *fontstr);
+
+void
+drawrect(DC *dc, int x, int y, unsigned int w, unsigned int h, Bool fill, unsigned long color) {
+ XSetForeground(dc->dpy, dc->gc, color);
+ if(fill)
+ XFillRectangle(dc->dpy, dc->canvas, dc->gc, dc->x + x, dc->y + y, w, h);
+ else
+ XDrawRectangle(dc->dpy, dc->canvas, dc->gc, dc->x + x, dc->y + y, w-1, h-1);
}
-static unsigned int
-textnw(const char *text, unsigned int len) {
- XRectangle r;
+void
+drawtext(DC *dc, const char *text, unsigned long col[ColLast]) {
+ char buf[BUFSIZ];
+ size_t mn, n = strlen(text);
- if(dc.font.set) {
- XmbTextExtents(dc.font.set, text, len, NULL, &r);
- return r.width;
- }
- return XTextWidth(dc.font.xfont, text, len);
+ /* shorten text if necessary */
+ for(mn = MIN(n, sizeof buf); textnw(dc, text, mn) + dc->font.height/2 > dc->w; mn--)
+ if(mn == 0)
+ return;
+ memcpy(buf, text, mn);
+ if(mn < n)
+ for(n = MAX(mn-3, 0); n < mn; buf[n++] = '.');
+
+ drawrect(dc, 0, 0, dc->w, dc->h, True, BG(dc, col));
+ drawtextn(dc, buf, mn, col);
}
-static void
-drawtext(const char *text, unsigned long col[ColLast], Bool filledsquare, Bool emptysquare) {
- int x, y, w, h;
- static char buf[256];
- unsigned int len, olen;
- XGCValues gcv;
- XRectangle r = { dc.x, dc.y, dc.w, dc.h };
- XPoint pt[5];
-
- XSetForeground(dpy, dc.gc, col[ColBG]);
- XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
- if(!text)
- return;
- w = 0;
- olen = len = strlen(text);
- if(len >= sizeof buf)
- len = sizeof buf - 1;
- memcpy(buf, text, len);
- buf[len] = 0;
- h = dc.font.ascent + dc.font.descent;
- y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
- x = dc.x + (h / 2);
- /* shorten text if necessary */
- while(len && (w = textnw(buf, len)) > dc.w - h)
- buf[--len] = 0;
- if(len < olen) {
- if(len > 1)
- buf[len - 1] = '.';
- if(len > 2)
- buf[len - 2] = '.';
- if(len > 3)
- buf[len - 3] = '.';
- }
- if(w > dc.w)
- return; /* too long */
- gcv.foreground = col[ColFG];
- if(dc.font.set) {
- XChangeGC(dpy, dc.gc, GCForeground, &gcv);
- XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
- }
+void
+drawtextn(DC *dc, const char *text, size_t n, unsigned long col[ColLast]) {
+ int x = dc->x + dc->font.height/2;
+ int y = dc->y + dc->font.ascent+1;
+
+ XSetForeground(dc->dpy, dc->gc, FG(dc, col));
+ if(dc->font.set)
+ XmbDrawString(dc->dpy, dc->canvas, dc->font.set, dc->gc, x, y, text, n);
else {
- gcv.font = dc.font.xfont->fid;
- XChangeGC(dpy, dc.gc, GCForeground | GCFont, &gcv);
- XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
- }
- x = (h + 2) / 4;
- if(filledsquare) {
- r.x = dc.x + 1;
- r.y = dc.y + 1;
- r.width = r.height = x + 1;
- XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
- }
- else if(emptysquare) {
- pt[0].x = dc.x + 1;
- pt[0].y = dc.y + 1;
- pt[1].x = x;
- pt[1].y = 0;
- pt[2].x = 0;
- pt[2].y = x;
- pt[3].x = -x;
- pt[3].y = 0;
- pt[4].x = 0;
- pt[4].y = -x;
- XDrawLines(dpy, dc.drawable, dc.gc, pt, 5, CoordModePrevious);
+ XSetFont(dc->dpy, dc->gc, dc->font.xfont->fid);
+ XDrawString(dc->dpy, dc->canvas, dc->gc, x, y, text, n);
}
}
-/* extern */
-
void
-drawstatus(void) {
- int i, x;
-
- dc.x = dc.y = 0;
- for(i = 0; i < ntags; i++) {
- dc.w = textw(tags[i]);
- if(seltag[i])
- drawtext(tags[i], dc.sel, sel && sel->tags[i], isoccupied(i));
- else
- drawtext(tags[i], dc.norm, sel && sel->tags[i], isoccupied(i));
- dc.x += dc.w;
- }
- dc.w = bmw;
- drawtext(arrange == dofloat ? FLOATSYMBOL : TILESYMBOL, dc.norm, False, False);
- x = dc.x + dc.w;
- dc.w = textw(stext);
- dc.x = sw - dc.w;
- if(dc.x < x) {
- dc.x = x;
- dc.w = sw - x;
- }
- drawtext(stext, dc.norm, False, False);
- if((dc.w = dc.x - x) > bh) {
- dc.x = x;
- drawtext(sel ? sel->name : NULL, sel ? dc.sel : dc.norm, False, False);
+eprintf(const char *fmt, ...) {
+ va_list ap;
+
+ va_start(ap, fmt);
+ vfprintf(stderr, fmt, ap);
+ va_end(ap);
+
+ if(fmt[0] != '\0' && fmt[strlen(fmt)-1] == ':') {
+ fputc(' ', stderr);
+ perror(NULL);
}
- XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, sw, bh, 0, 0);
- XSync(dpy, False);
+ exit(EXIT_FAILURE);
+}
+
+void
+freedc(DC *dc) {
+ if(dc->font.set)
+ XFreeFontSet(dc->dpy, dc->font.set);
+ if(dc->font.xfont)
+ XFreeFont(dc->dpy, dc->font.xfont);
+ if(dc->canvas)
+ XFreePixmap(dc->dpy, dc->canvas);
+ XFreeGC(dc->dpy, dc->gc);
+ XCloseDisplay(dc->dpy);
+ free(dc);
}
unsigned long
-getcolor(const char *colstr) {
- Colormap cmap = DefaultColormap(dpy, screen);
+getcolor(DC *dc, const char *colstr) {
+ Colormap cmap = DefaultColormap(dc->dpy, DefaultScreen(dc->dpy));
XColor color;
- if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
- eprint("error, cannot allocate color '%s'\n", colstr);
+ if(!XAllocNamedColor(dc->dpy, cmap, colstr, &color, &color))
+ eprintf("cannot allocate color '%s'\n", colstr);
return color.pixel;
}
+DC *
+initdc(void) {
+ DC *dc;
+
+ if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
+ fprintf(stderr, "no locale support\n");
+ if(!(dc = calloc(1, sizeof *dc)))
+ eprintf("cannot malloc %u bytes:", sizeof *dc);
+ if(!(dc->dpy = XOpenDisplay(NULL)))
+ eprintf("cannot open display\n");
+
+ dc->gc = XCreateGC(dc->dpy, DefaultRootWindow(dc->dpy), 0, NULL);
+ XSetLineAttributes(dc->dpy, dc->gc, 1, LineSolid, CapButt, JoinMiter);
+ return dc;
+}
+
void
-setfont(const char *fontstr) {
- char *def, **missing;
- int i, n;
-
- missing = NULL;
- if(dc.font.set)
- XFreeFontSet(dpy, dc.font.set);
- dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
- if(missing) {
- while(n--)
- fprintf(stderr, "missing fontset: %s\n", missing[n]);
- XFreeStringList(missing);
+initfont(DC *dc, const char *fontstr) {
+ if(!loadfont(dc, fontstr ? fontstr : DEFAULTFN)) {
+ if(fontstr != NULL)
+ fprintf(stderr, "cannot load font '%s'\n", fontstr);
+ if(fontstr == NULL || !loadfont(dc, DEFAULTFN))
+ eprintf("cannot load font '%s'\n", DEFAULTFN);
}
- if(dc.font.set) {
- XFontSetExtents *font_extents;
- XFontStruct **xfonts;
- char **font_names;
- dc.font.ascent = dc.font.descent = 0;
- font_extents = XExtentsOfFontSet(dc.font.set);
- n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
- for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
- if(dc.font.ascent < (*xfonts)->ascent)
- dc.font.ascent = (*xfonts)->ascent;
- if(dc.font.descent < (*xfonts)->descent)
- dc.font.descent = (*xfonts)->descent;
- xfonts++;
- }
+ dc->font.height = dc->font.ascent + dc->font.descent;
+}
+
+Bool
+loadfont(DC *dc, const char *fontstr) {
+ char *def, **missing, **names;
+ int i, n = 1;
+ XFontStruct **xfonts;
+
+ if(!*fontstr)
+ return False;
+ if((dc->font.set = XCreateFontSet(dc->dpy, fontstr, &missing, &n, &def))) {
+ n = XFontsOfFontSet(dc->font.set, &xfonts, &names);
}
else {
- if(dc.font.xfont)
- XFreeFont(dpy, dc.font.xfont);
- dc.font.xfont = NULL;
- if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr)))
- eprint("error, cannot load font: '%s'\n", fontstr);
- dc.font.ascent = dc.font.xfont->ascent;
- dc.font.descent = dc.font.xfont->descent;
+ dc->font.xfont = XLoadQueryFont(dc->dpy, fontstr);
+ xfonts = &dc->font.xfont;
+ }
+ for(i = 0; i < n; i++) {
+ dc->font.ascent = MAX(dc->font.ascent, xfonts[i]->ascent);
+ dc->font.descent = MAX(dc->font.descent, xfonts[i]->descent);
+ dc->font.width = MAX(dc->font.width, xfonts[i]->max_bounds.width);
+ }
+ if(missing)
+ XFreeStringList(missing);
+ return (dc->font.set || dc->font.xfont);
+}
+
+void
+mapdc(DC *dc, Window win, unsigned int w, unsigned int h) {
+ XCopyArea(dc->dpy, dc->canvas, win, dc->gc, 0, 0, w, h, 0, 0);
+}
+
+void
+resizedc(DC *dc, unsigned int w, unsigned int h) {
+ if(dc->canvas)
+ XFreePixmap(dc->dpy, dc->canvas);
+
+ dc->canvas = XCreatePixmap(dc->dpy, DefaultRootWindow(dc->dpy), w, h,
+ DefaultDepth(dc->dpy, DefaultScreen(dc->dpy)));
+ dc->w = w;
+ dc->h = h;
+}
+
+int
+textnw(DC *dc, const char *text, size_t len) {
+ if(dc->font.set) {
+ XRectangle r;
+
+ XmbTextExtents(dc->font.set, text, len, NULL, &r);
+ return r.width;
}
- dc.font.height = dc.font.ascent + dc.font.descent;
+ return XTextWidth(dc->font.xfont, text, len);
}
-unsigned int
-textw(const char *text) {
- return textnw(text, strlen(text)) + dc.font.height;
+int
+textw(DC *dc, const char *text) {
+ return textnw(dc, text, strlen(text)) + dc->font.height;
}
Got questions, comments, patches, etc.? Contact Jason Woofenden