dmenu

my fork of dmenu
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commit cf7e4c15a97fa4e0921985d8e31bf9d6d4414b9a
parent c43c692a4db35c1527d1beb0edadef671588cb04
Author: Anselm R Garbe <garbeam@gmail.com>
Date:   Mon, 18 Aug 2008 10:03:28 +0100

backported drawtext() simplifications to dmenu
Diffstat:
Mconfig.mk | 2+-
Mdmenu.c | 31++++++++++---------------------
2 files changed, 11 insertions(+), 22 deletions(-)
diff --git a/config.mk b/config.mk
@@ -1,5 +1,5 @@
 # dmenu version
-VERSION = 3.8
+VERSION = 3.9
 
 # Customize below to fit your system
 
diff --git a/dmenu.c b/dmenu.c
@@ -17,6 +17,7 @@
 /* macros */
 #define CLEANMASK(mask)         (mask & ~(numlockmask | LockMask))
 #define INRECT(X,Y,RX,RY,RW,RH) ((X) >= (RX) && (X) < (RX) + (RW) && (Y) >= (RY) && (Y) < (RY) + (RH))
+#define MIN(a, b)               ((a) < (b) ? (a) : (b))
 
 /* enums */
 enum { ColFG, ColBG, ColLast };
@@ -212,37 +213,25 @@ drawmenu(void) {
 
 void
 drawtext(const char *text, unsigned long col[ColLast]) {
-    int x, y, w, h;
-    static char buf[256];
-    unsigned int len, olen;
+    int i, x, y, h, len, olen;
+    char buf[256];
     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;
+    olen = strlen(text);
     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 */
+    for(len = MIN(olen, sizeof buf); len && (i = textnw(buf, len)) > dc.w - h; len--);
+    if(!len)
+        return;
+    memcpy(buf, text, len);
+    if(len < olen)
+        for(i = len; i && i > len - 3; buf[--i] = '.');
     XSetForeground(dpy, dc.gc, col[ColFG]);
     if(dc.font.set)
         XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);