patch: numbersHEADmaster

Adds text which displays the number of matched and total items in the
top right corner of dmenu.

1 files changed, 24 insertions, 3 deletions

diff --git a/dmenu.c b/dmenu.c
index 617972c..2e17576 100644
--- a/dmenu.c
+++ b/dmenu.c
@@ -25,6 +25,8 @@
 #define INTERSECT(x,y,w,h,r)  (MAX(0, MIN((x)+(w),(r).x_org+(r).width)  - MAX((x),(r).x_org)) \
                              * MAX(0, MIN((y)+(h),(r).y_org+(r).height) - MAX((y),(r).y_org)))
 #define TEXTW(X)              (drw_fontset_getwidth(drw, (X)) + lrpad)
+#define NUMBERSMAXDIGITS      100
+#define NUMBERSBUFSIZE        (NUMBERSMAXDIGITS * 2) + 1
 
 #define OPAQUE                0xffu
 
@@ -37,6 +39,7 @@ struct item {
 	int out;
 };
 
+static char numbers[NUMBERSBUFSIZE] = "";
 static char text[BUFSIZ] = "";
 static char *embed;
 static int bh, mw, mh;
@@ -95,7 +98,7 @@ calcoffsets(void)
 	if (lines > 0)
 		n = lines * bh;
 	else
-		n = mw - (promptw + inputw + TEXTW("<") + TEXTW(">"));
+		n = mw - (promptw + inputw + TEXTW("<") + TEXTW(">") + TEXTW(numbers));
 	/* calculate which items will begin the next page and previous page */
 	for (i = 0, next = curr; next; next = next->right)
 		if ((i += (lines > 0) ? bh : textw_clamp(next->text, n)) > n)
@@ -153,6 +156,21 @@ drawitem(struct item *item, int x, int y, int w)
 }
 
 static void
+recalculatenumbers()
+{
+	unsigned int numer = 0, denom = 0;
+	struct item *item;
+	if (matchend) {
+		numer++;
+		for (item = matchend; item && item->left; item = item->left)
+			numer++;
+	}
+	for (item = items; item && item->text; item++)
+		denom++;
+	snprintf(numbers, NUMBERSBUFSIZE, "%d/%d", numer, denom);
+}
+
+static void
 drawmenu(void)
 {
 	unsigned int curpos;
@@ -177,6 +195,7 @@ drawmenu(void)
 		drw_rect(drw, x + curpos, 2, 2, bh - 4, 1, 0);
 	}
 
+	recalculatenumbers();
 	if (lines > 0) {
 		/* draw vertical list */
 		for (item = curr; item != next; item = item->right)
@@ -191,13 +210,15 @@ drawmenu(void)
 		}
 		x += w;
 		for (item = curr; item != next; item = item->right)
-			x = drawitem(item, x, 0, textw_clamp(item->text, mw - x - TEXTW(">")));
+			x = drawitem(item, x, 0, textw_clamp(item->text, mw - x - TEXTW(">") - TEXTW(numbers)));
 		if (next) {
 			w = TEXTW(">");
 			drw_setscheme(drw, scheme[SchemeNorm]);
-			drw_text(drw, mw - w, 0, w, bh, lrpad / 2, ">", 0);
+			drw_text(drw, mw - w - TEXTW(numbers), 0, w, bh, lrpad / 2, ">", 0);
 		}
 	}
+	drw_setscheme(drw, scheme[SchemeNorm]);
+	drw_text(drw, mw - TEXTW(numbers), 0, TEXTW(numbers), bh, lrpad / 2, numbers, 0);
 	drw_map(drw, win, 0, 0, mw, mh);
 }