+void
+zoom(const Arg *arg)
+{
+ Arg larg;
+
+ larg.f = usedfontsize + arg->f;
+ zoomabs(&larg);
+}
+
+void
+zoomabs(const Arg *arg)
+{
+ xunloadfonts();
+ xloadfonts(usedfont, arg->f);
+ cresize(0, 0);
+ redraw();
+ xhints();
+}
+
+void
+zoomreset(const Arg *arg)
+{
+ Arg larg;
+
+ if (defaultfontsize > 0) {
+ larg.f = defaultfontsize;
+ zoomabs(&larg);
+ }
+}
+
+int
+evcol(XEvent *e)
+{
+ int x = e->xbutton.x - borderpx;
+ LIMIT(x, 0, win.tw - 1);
+ return x / win.cw;
+}
+
+int
+evrow(XEvent *e)
+{
+ int y = e->xbutton.y - borderpx;
+ LIMIT(y, 0, win.th - 1);
+ return y / win.ch;
+}
+
+void
+mousesel(XEvent *e, int done)
+{
+ int type, seltype = SEL_REGULAR;
+ uint state = e->xbutton.state & ~(Button1Mask | forceselmod);
+
+ for (type = 1; type < LEN(selmasks); ++type) {