Cleanup, move mouse/keyboard input code out of emulator.c

[pistorm] / input / input.c

diff --git a/input/input.c b/input/input.c
new file mode 100644 (file)
index 0000000..0a7f53d
--- /dev/null
+++ b/input/input.c
@@ -0,0 +1,34 @@
+#include <termios.h>
+#include <unistd.h>
+#include <linux/input.h>
+
+int kbhit()
+{
+  struct termios term;
+  tcgetattr(0, &term);
+
+  struct termios term2 = term;
+  term2.c_lflag &= ~ICANON;
+  tcsetattr(0, TCSANOW, &term2);
+
+  int byteswaiting;
+  ioctl(0, FIONREAD, &byteswaiting);
+
+  tcsetattr(0, TCSANOW, &term);
+
+  return byteswaiting > 0;
+}
+
+extern int mouse_fd;
+
+int get_mouse_status(char *x, char *y, char *b) {
+  struct input_event ie;
+  if (read(mouse_fd, &ie, sizeof(struct input_event)) != -1) {
+    *b = ((char *)&ie)[0];
+    *x = ((char *)&ie)[1];
+    *y = ((char *)&ie)[2];
+    return 1;
+  }
+
+  return 0;
+}