kernel: add modifiers to kbd events

diff --git a/Kernel/include/input.h b/Kernel/include/input.h
index 907b257..7318d42 100644 (file)
--- a/Kernel/include/input.h
+++ b/Kernel/include/input.h
@@ -1,6 +1,8 @@
 #ifndef _INPUT_H
 #define _INPUT_H
 
+/* Low four bits indicate device number usually */
+
 #define MOUSE_REL      0x00            /* 8bit deltas - may need 16 ? */
 #define MOUSE_ABS      0x10            /* 16bit x 16bit virtual coords */
 #define STICK_DIGITAL  0x20            /* UDLR + buttons byte */
@@ -9,10 +11,16 @@
 #define                STICK_DIGITAL_L 0x20
 #define                STICK_DIGITAL_R 0x10
 #define STICK_ANALOG   0x30            /* 16bit signed X / Y, sign */
-#define KEYPRESS_CODE  0x40            /* Followed by keycode byte. Button
-                                           bits show u/d and 3 spare bits */
+
+/* No device number - but 3 bits reserved if needed */
+#define KEYPRESS_CODE  0x40            /* Followed by keycode byte. Number
+                                           bits show u/d and modifiers */
 #define                KEYPRESS_DOWN   0x00
 #define                KEYPRESS_UP     0x01
+#define                KEYPRESS_SHIFT  0x02
+#define                KEYPRESS_CTRL   0x04
+#define                kEYPRESS_ALT    0x08
+
 #define        LIGHTPEN_ABS    0x50            /* Light pen or similar, 16 x 16bit virtual coords */
 
 #define BUTTON(x)      (1 << (x))      /* Button 1-7 (top bit never used) */