1 files changed, 77 insertions, 0 deletions
diff --git a/status/cpu.c b/status/cpu.c
new file mode 100644
index 0000000..5f203ee
--- /dev/null
+++ b/status/cpu.c
@@ -0,0 +1,77 @@
+#include "kconfig.h"
+#include "dwmstatus.h"
+
+static int prev_total = 0;
+static int prev_idle  = 0;
+
+int print_cpu( bbuf *buf )
+{
+	ASSERT( buf != NULL );
+
+
+	int str_size=0;
+	int curr_user = 0, curr_nice = 0, curr_system = 0, curr_idle = 0, curr_total;
+	int diff_idle, diff_total, diff_usage;
+
+	if ( buf->size < 1 )
+	{
+		buf->size = 1024;
+		buf->str = malloc( buf->size );
+	}
+
+	FILE *f = fopen( "/proc/stat", "r" );
+	ASSERT(f != NULL );
+
+	fscanf( f, "cpu %d %d %d %d", &curr_user, &curr_nice, &curr_system, &curr_idle );
+	fclose( f );
+
+	ASSERT( curr_user > 0 );
+	ASSERT( curr_nice > 0 );
+	ASSERT( curr_system > 0 );
+	ASSERT( curr_idle > 0 );
+
+	//printf("%d %d %d %d\n", curr_user, curr_nice, curr_system, curr_idle );
+
+	curr_total = curr_user + curr_nice + curr_system + curr_idle;
+	diff_idle  = curr_idle - prev_idle;
+	diff_total = curr_total - prev_total;
+	diff_usage = (diff_total ? (1000 * (diff_total - diff_idle)/diff_total + 5)/10 : 0);
+	prev_total = curr_total;
+	prev_idle  = curr_idle;
+
+#ifdef CONFIG_STATUS_UTF8
+	//chip f64f, //ef ac 99
+	buf->str[0] = 0xef;
+	buf->str[1] = 0xac;
+	buf->str[2] = 0x99;
+	str_size = 3;
+	printf("asd1 [%s]\n", buf->str);
+#endif
+
+#ifdef CONFIG_STATUS_FMT_PANGO
+	//seperate by colors 
+	// COLD - BLUE - < 20%
+	// WARM - GREEN 20-80%
+	// HOT - RED >80%
+	if ( diff_usage < 20 )
+	{
+		snprintf( buf->str, buf->size-1, "CPU:<span color=\"#3366ff\">%02d%%</span> ", diff_usage );
+	} else if( diff_usage > 80 )
+	{
+		snprintf( buf->str, buf->size-1, "CPU:<span color=\"#ff6633\">%02d%%</span> ", diff_usage );
+	} else
+	{
+		snprintf( buf->str, buf->size-1, "CPU:<span color=\"#33ff66\">%02d%%</span> ", diff_usage );
+	}
+#else
+	#ifdef CONFIG_STATUS_UTF8
+		snprintf( &buf->str[str_size], buf->size-1-str_size, "%02d%% ", diff_usage );
+	#else
+		snprintf( &buf->str[str_size], buf->size-1-str_size, "CPU:%02d%% ", diff_usage );
+	#endif
+
+#endif
+
+	return 0;
+}
+