drw: cleanup drw_text, prevent gcc warning false-positive of unused var

... we don't allow passing text is NULL anymore either, for that behaviour
just use drw_rect() (it is used in dwm).

diff --git a/drw.c b/drw.c
index 4364117a811fc83ea21ba475d8dcd4b550297fd5..80e3c39a2782f0505779ac13a7ad75290b430d15 100644 (file)
--- a/drw.c
+++ b/drw.c
@@ -224,9 +224,7 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *tex
        char buf[1024];
        int tx, ty, th;
        Extnts tex;
-       Colormap cmap;
-       Visual *vis;
-       XftDraw *d;
+       XftDraw *d = NULL;
        Fnt *curfont, *nextfont;
        size_t i, len;
        int utf8strlen, utf8charlen, render;
@@ -238,22 +236,18 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *tex
        XftResult result;
        int charexists = 0;
 
-       if (!(render = x || y || w || h))
-               w = ~w;
-
-       if (!drw || !drw->scheme) {
+       if (!drw->scheme || !drw->fontcount)
                return 0;
-       } else if (render) {
-               XSetForeground(drw->dpy, drw->gc, invert ? drw->scheme->fg->pix : drw->scheme->bg->pix);
-               XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h);
-       }
 
-       if (!text || !drw->fontcount) {
-               return 0;
-       } else if (render) {
-               cmap = DefaultColormap(drw->dpy, drw->screen);
-               vis = DefaultVisual(drw->dpy, drw->screen);
-               d = XftDrawCreate(drw->dpy, drw->drawable, vis, cmap);
+       if (!(render = x || y || w || h)) {
+               w = ~w;
+       } else {
+               XSetForeground(drw->dpy, drw->gc, invert ?
+                              drw->scheme->fg->pix : drw->scheme->bg->pix);
+               XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h);
+               d = XftDrawCreate(drw->dpy, drw->drawable,
+                                 DefaultVisual(drw->dpy, drw->screen),
+                                 DefaultColormap(drw->dpy, drw->screen));
        }
 
        curfont = drw->fonts[0];
@@ -325,7 +319,7 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *tex
                        if (!drw->fonts[0]->pattern) {
                                /* Refer to the comment in drw_font_xcreate for more
                                 * information. */
-                               die("The first font in the cache must be loaded from a font string.\n");
+                               die("the first font in the cache must be loaded from a font string.\n");
                        }
 
                        fcpattern = FcPatternDuplicate(drw->fonts[0]->pattern);
@@ -344,14 +338,13 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *tex
                                if (curfont && XftCharExists(drw->dpy, curfont->xfont, utf8codepoint)) {
                                        drw->fonts[drw->fontcount++] = curfont;
                                } else {
-                                       if (curfont)
-                                               drw_font_free(curfont);
+                                       drw_font_free(curfont);
                                        curfont = drw->fonts[0];
                                }
                        }
                }
        }
-       if (render)
+       if (d)
                XftDrawDestroy(d);
 
        return x;