Allow changing values at runtime

1 files changed, 11 insertions, 4 deletions

diff --git a/src/bardata.c b/src/bardata.c
index 73b0cc2..6369aa3 100644
--- a/src/bardata.c
+++ b/src/bardata.c
@@ -6,6 +6,7 @@
 #include <string.h>
 
 #include "pipe.h"
+#include "tsar.h"
 
 int fontsize = 16;
 color_t default_fg, default_bg;
@@ -72,10 +73,16 @@ void set_layout(char argv[MAX_ARGS][MAX_ARG_LEN], int argc) {
 
 void set_var(char argv[MAX_ARGS][MAX_ARG_LEN], int argc) {
   char *var = argv[1];
-  if (strcmp(var, "height")) {
-    bar_height = atoi(argv[2]);
+  if (strcmp(var, "height") == 0) {
+    int new_bar_height = atoi(argv[2]);
+    if (new_bar_height <= 0) {
+      fprintf(stderr, "invalid bar height %d\n", new_bar_height);
+      return;
+    } 
+    bar_height = new_bar_height;
   }
-  if (strcmp(var, "fontsize")) {
-    fontsize = atoi(argv[2]);
+  if (strcmp(var, "font") == 0) {
+    // fontsize = atoi(argv[2]);
+    load_font(argv[2]);
   }
 }