draw.c is useless (belongs to main.c now)

[dwm.git] / main.c

diff --git a/main.c b/main.c
index 20450db..77ce0df 100644 (file)
--- a/main.c
+++ b/main.c
@@ -61,6 +61,94 @@ cleanup(void) {
        free(seltag);
 }
 
+static unsigned 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);
+}
+
+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 };
+
+       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);
+       }
+       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;
+       r.x = dc.x + 1;
+       r.y = dc.y + 1;
+       if(filledsquare) {
+               r.width = r.height = x + 1;
+               XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
+       }
+       else if(emptysquare) {
+               r.width = r.height = x;
+               XDrawRectangles(dpy, dc.drawable, dc.gc, &r, 1);
+       }
+}
+
+static unsigned long
+getcolor(const char *colstr) {
+       Colormap cmap = DefaultColormap(dpy, screen);
+       XColor color;
+
+       if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
+               eprint("error, cannot allocate color '%s'\n", colstr);
+       return color.pixel;
+}
+
+static Bool
+isoccupied(unsigned int t) {
+       Client *c;
+
+       for(c = clients; c; c = c->next)
+               if(c->tags[t])
+                       return True;
+       return False;
+}
+
 static void
 scan(void) {
        unsigned int i, num;
@@ -82,6 +170,47 @@ scan(void) {
 }
 
 static 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);
+       }
+       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++;
+               }
+       }
+       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.height = dc.font.ascent + dc.font.descent;
+}
+
+static void
 setup(void) {
        int i, j;
        unsigned int mask;
@@ -171,6 +300,37 @@ xerrorstart(Display *dsply, XErrorEvent *ee) {
 /* 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);
+       }
+       XCopyArea(dpy, dc.drawable, barwin, dc.gc, 0, 0, sw, bh, 0, 0);
+       XSync(dpy, False);
+}
+
+void
 sendevent(Window w, Atom a, long value) {
        XEvent e;
 
@@ -184,6 +344,11 @@ sendevent(Window w, Atom a, long value) {
        XSync(dpy, False);
 }
 
+unsigned int
+textw(const char *text) {
+       return textnw(text, strlen(text)) + dc.font.height;
+}
+
 void
 quit(Arg *arg) {
        readin = running = False;