minor fix

[dwm.git] / dwm.c

diff --git a/dwm.c b/dwm.c
index e1c8c20..ed7fc0d 100644 (file)
--- a/dwm.c
+++ b/dwm.c
@@ -178,6 +178,7 @@ void scan(void);
 void setclientstate(Client *c, long state);
 void setgeom(const char *arg);
 void setlayout(const char *arg);
+void setmfact(const char *arg);
 void setup(void);
 void spawn(const char *arg);
 void tag(const char *arg);
@@ -1462,6 +1463,26 @@ setlayout(const char *arg) {
                drawbar();
 }
 
+void
+setmfact(const char *arg) {
+       double delta;
+
+       if(!arg)
+               return;
+       delta = strtod(arg, NULL);
+       if(arg[0] == '-' || arg[0] == '+') {
+               if(mfact + delta < 0.1 || mfact + delta > 0.9)
+                       return;
+               mfact += delta;
+       }
+       else {
+               if(delta < 0.1 || delta > 0.9)
+                       return;
+               mfact = delta;
+       }
+       setgeom(geom->symbol);
+}
+
 void
 setup(void) {
        unsigned int i, w;