some config possibilities and making color selection more effective

config.h

@@ -0,0 +1,39 @@
+
+typedef struct _color {
+    float red;
+    float green;
+    float blue;
+} color;
+
+
+color colors[4]={
+    //base
+    {
+        .red = 0.5,
+        .green = 0.5,
+        .blue = 0.5,     
+    },
+
+    //minute
+    {
+        .red = 1.,
+        .green = 0.,
+        .blue = 0.
+    },
+
+    //hour
+    {
+        .red = 0.,
+        .green = 0.,
+        .blue = 1
+    }, 
+
+    //both
+    {
+        .red = 0.,
+        .green = 1.,
+        .blue = 0.
+
+    }
+
+};

main.c

@@ -7,6 +7,7 @@
 #include <X11/Xatom.h>
 #include <cairo.h>
 #include <cairo-xlib.h>
+#include "config.h"
 
 typedef struct _rectangle {
     int pos_x;
@@ -83,32 +84,9 @@ void getFibbTime(myTime t, int* res){
 }
 
 void drawRectangle(cairo_t* cr, rectangle R){
-    int color[3];
+    color rectColor = colors[R.color]; // colors is defined in config.h
-    switch(R.color){
-        case 0:
-            color[0] = 1;
-            color[1] = 1;
-            color[2] = 1;
-            break;
-        case 1:
-            color[0] = 1;
-            color[1] = 0;
-            color[2] = 0;
-            break;
-        case 2:
-            color[0] = 0;
-            color[1] = 0;
-            color[2] = 1;
-            break;
-        case 3:
-            color[0] = 0;
-            color[1] = 1;
-            color[2] = 0;
-            break;
-    }
-
     cairo_rectangle(cr, R.pos_x, R.pos_y, R.width, R.height);     /* set rectangle */
-    cairo_set_source_rgb(cr, color[0], color[1], color[2]);   /* set fill color */
+    cairo_set_source_rgb(cr, rectColor.red, rectColor.green, rectColor.blue);   /* set fill color */
     cairo_fill(cr);                            /* fill rectangle */
 }