Added xft support

Based on xft tabbed patch from the wiki.

Signed-off-by: Lucas Gabriel Vuotto <l.vuotto92@gmail.com>
Signed-off-by: Christoph Lohmann <20h@r-36.net>

3 files changed, 30 insertions, 75 deletions

diff --git a/config.def.h b/config.def.h
index 9facec5..989992c 100644
--- a/config.def.h
+++ b/config.def.h
@@ -1,7 +1,7 @@
 /* See LICENSE file for copyright and license details. */
 
 /* appearance */
-static const char font[]        = "-*-*-medium-*-*-*-14-*-*-*-*-*-*-*";
+static const char font[]        = "monospace:size=9";
 static const char* normbgcolor  = "#222222";
 static const char* normfgcolor  = "#cccccc";
 static const char* selbgcolor   = "#555555";
diff --git a/config.mk b/config.mk
index 441b2de..3a71529 100644
--- a/config.mk
+++ b/config.mk
@@ -8,8 +8,8 @@ PREFIX = /usr/local
 MANPREFIX = ${PREFIX}/share/man
 
 # includes and libs
-INCS = -I. -I/usr/include
-LIBS = -L/usr/lib -lc -lX11
+INCS = -I. -I/usr/include -I/usr/include/freetype2
+LIBS = -L/usr/lib -lc -lX11 -lfontconfig -lXft
 
 # flags
 CPPFLAGS = -DVERSION=\"${VERSION}\" -D_DEFAULT_SOURCE
diff --git a/tabbed.c b/tabbed.c
index eafbec8..a9050ae 100644
--- a/tabbed.c
+++ b/tabbed.c
@@ -15,6 +15,7 @@
 #include <X11/Xproto.h>
 #include <X11/Xutil.h>
 #include <X11/XKBlib.h>
+#include <X11/Xft/Xft.h>
 
 #include "arg.h"
 
@@ -64,17 +65,16 @@ typedef struct {
 
 typedef struct {
 	int x, y, w, h;
-	unsigned long norm[ColLast];
-	unsigned long sel[ColLast];
-	unsigned long urg[ColLast];
+	XftColor norm[ColLast];
+	XftColor sel[ColLast];
+	XftColor urg[ColLast];
 	Drawable drawable;
 	GC gc;
 	struct {
 		int ascent;
 		int descent;
 		int height;
-		XFontSet set;
-		XFontStruct *xfont;
+		XftFont *xfont;
 	} font;
 } DC; /* draw context */
 
@@ -96,7 +96,7 @@ static void createnotify(const XEvent *e);
 static void destroynotify(const XEvent *e);
 static void die(const char *errstr, ...);
 static void drawbar(void);
-static void drawtext(const char *text, unsigned long col[ColLast]);
+static void drawtext(const char *text, XftColor col[ColLast]);
 static void *ecalloc(size_t n, size_t size);
 static void *erealloc(void *o, size_t size);
 static void expose(const XEvent *e);
@@ -107,7 +107,7 @@ static void focusurgent(const Arg *arg);
 static void fullscreen(const Arg *arg);
 static char *getatom(int a);
 static int getclient(Window w);
-static unsigned long getcolor(const char *colstr);
+static XftColor getcolor(const char *colstr);
 static int getfirsttab(void);
 static Bool gettextprop(Window w, Atom atom, char *text, unsigned int size);
 static void initfont(const char *fontstr);
@@ -223,11 +223,6 @@ cleanup(void)
 	free(clients);
 	clients = NULL;
 
-	if (dc.font.set)
-		XFreeFontSet(dpy, dc.font.set);
-	else
-		XFreeFont(dpy, dc.font.xfont);
-
 	XFreePixmap(dpy, dc.drawable);
 	XFreeGC(dpy, dc.gc);
 	XDestroyWindow(dpy, win);
@@ -314,7 +309,7 @@ die(const char *errstr, ...)
 void
 drawbar(void)
 {
-	unsigned long *col;
+	XftColor *col;
 	int c, cc, fc, width;
 	char *name = NULL;
 
@@ -367,13 +362,14 @@ drawbar(void)
 }
 
 void
-drawtext(const char *text, unsigned long col[ColLast])
+drawtext(const char *text, XftColor col[ColLast])
 {
 	int i, j, x, y, h, len, olen;
 	char buf[256];
+	XftDraw *d;
 	XRectangle r = { dc.x, dc.y, dc.w, dc.h };
 
-	XSetForeground(dpy, dc.gc, col[ColBG]);
+	XSetForeground(dpy, dc.gc, col[ColBG].pixel);
 	XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
 	if (!text)
 		return;
@@ -397,12 +393,9 @@ drawtext(const char *text, unsigned long col[ColLast])
 			;
 	}
 
-	XSetForeground(dpy, dc.gc, col[ColFG]);
-	if (dc.font.set)
-		XmbDrawString(dpy, dc.drawable, dc.font.set,
-		              dc.gc, x, y, buf, len);
-	else
-		XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
+	d = XftDrawCreate(dpy, dc.drawable, DefaultVisual(dpy, screen), DefaultColormap(dpy, screen));
+	XftDrawStringUtf8(d, &col[ColFG], dc.font.xfont, x, y, (XftChar8 *) buf, len);
+	XftDrawDestroy(d);
 }
 
 void *
@@ -560,16 +553,15 @@ getclient(Window w)
 	return -1;
 }
 
-unsigned long
+XftColor
 getcolor(const char *colstr)
 {
-	Colormap cmap = DefaultColormap(dpy, screen);
-	XColor color;
+	XftColor color;
 
-	if (!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
+	if (!XftColorAllocName(dpy, DefaultVisual(dpy, screen), DefaultColormap(dpy, screen), colstr, &color))
 		die("%s: cannot allocate color '%s'\n", argv0, colstr);
 
-	return color.pixel;
+	return color;
 }
 
 int
@@ -621,42 +613,12 @@ gettextprop(Window w, Atom atom, char *text, unsigned int size)
 void
 initfont(const char *fontstr)
 {
-	char *def, **missing, **font_names;
-	XFontStruct **xfonts;
-	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, "%s: missing fontset: %s\n",
-			        argv0, missing[n]);
-		XFreeStringList(missing);
-	}
+	if (!(dc.font.xfont = XftFontOpenName(dpy, screen, fontstr))
+	    && !(dc.font.xfont = XftFontOpenName(dpy, screen, "fixed")))
+		die("error, cannot load font: '%s'\n", fontstr);
 
-	if (dc.font.set) {
-		dc.font.ascent = dc.font.descent = 0;
-		n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
-		for (i = 0, dc.font.ascent = 0, dc.font.descent = 0;
-		     i < n; i++) {
-			dc.font.ascent = MAX(dc.font.ascent, (*xfonts)->ascent);
-			dc.font.descent = MAX(dc.font.descent,(*xfonts)->descent);
-			xfonts++;
-		}
-	} else {
-		if (dc.font.xfont)
-			XFreeFont(dpy, dc.font.xfont);
-		dc.font.xfont = NULL;
-		if (!(dc.font.xfont = XLoadQueryFont(dpy, fontstr)) &&
-		    !(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
-			die("%s: cannot load font: '%s'\n", argv0, fontstr);
-
-		dc.font.ascent = dc.font.xfont->ascent;
-		dc.font.descent = dc.font.xfont->descent;
-	}
+	dc.font.ascent = dc.font.xfont->ascent;
+	dc.font.descent = dc.font.xfont->descent;
 	dc.font.height = dc.font.ascent + dc.font.descent;
 }
 
@@ -1057,11 +1019,9 @@ setup(void)
 	dc.drawable = XCreatePixmap(dpy, root, ww, wh,
 	                            DefaultDepth(dpy, screen));
 	dc.gc = XCreateGC(dpy, root, 0, 0);
-	if (!dc.font.set)
-		XSetFont(dpy, dc.gc, dc.font.xfont->fid);
 
 	win = XCreateSimpleWindow(dpy, root, wx, wy, ww, wh, 0,
-	                          dc.norm[ColFG], dc.norm[ColBG]);
+	                          dc.norm[ColFG].pixel, dc.norm[ColBG].pixel);
 	XMapRaised(dpy, win);
 	XSelectInput(dpy, win, SubstructureNotifyMask | FocusChangeMask |
 	             ButtonPressMask | ExposureMask | KeyPressMask |
@@ -1131,14 +1091,9 @@ spawn(const Arg *arg)
 int
 textnw(const char *text, unsigned int len)
 {
-	XRectangle r;
-
-	if (dc.font.set) {
-		XmbTextExtents(dc.font.set, text, len, NULL, &r);
-		return r.width;
-	}
-
-	return XTextWidth(dc.font.xfont, text, len);
+	XGlyphInfo ext;
+	XftTextExtentsUtf8(dpy, dc.font.xfont, (XftChar8 *) text, len, &ext);
+	return ext.xOff;
 }
 
 void