Added alt-code mapping structures.

[libguac-client-rdp.git] / include / rdp_keymap.h

diff --git a/include/rdp_keymap.h b/include/rdp_keymap.h
index 73ddc32..60fde70 100644 (file)
--- a/include/rdp_keymap.h
+++ b/include/rdp_keymap.h
@@ -35,10 +35,63 @@
  *
  * ***** END LICENSE BLOCK ***** */
 
-#ifndef _GUAC_CLIENT_RDP_KEYMAP
-#define _GUAC_CLIENT_RDP_KEYMAP
+#ifndef _GUAC_RDP_RDP_KEYMAP_H
+#define _GUAC_RDP_RDP_KEYMAP_H
 
-extern const int guac_rdp_keysym_scancode[256][256];
+/**
+ * Represents a keysym-to-scancode mapping for RDP, with extra information
+ * about the state of prerequisite keysyms.
+ */
+typedef struct guac_rdp_keymap {
+
+    /**
+     * The scancode this keysym maps to.
+     */
+    int scancode;
+
+    /**
+     * Required RDP-specific flags
+     */
+    int flags;
+
+    /**
+     * Null-terminated list of keysyms which must be down for this keysym
+     * to be properly typed.
+     */
+    int* set_keysyms;
+
+    /**
+     * Null-terminated list of keysyms which must be up for this keysym
+     * to be properly typed.
+     */
+    int* clear_keysyms;
+
+} guac_rdp_keymap;
+
+/**
+ * Represents the Alt-code which types a given keysym. This is used as a
+ * fallback mapping, should a particular keymap not support a certain keysym.
+ *
+ * See: http://en.wikipedia.org/wiki/Alt_code
+ */
+typedef struct guac_rdp_alt_keymap {
+
+    /**
+     * The 4-digit Alt-code which types this keysym.
+     */
+    char alt_code[4];
+
+} guac_rdp_alt_keymap;
+
+/**
+ * Map of X11 keysyms to RDP scancodes.
+ */
+extern const guac_rdp_keymap guac_rdp_keysym_scancode[256][256];
+
+/**
+ * Map of X11 keysyms to Windows Alt-codes.
+ */
+extern const guac_rdp_alt_keymap guac_rdp_keysym_altcode[256][256];
 
 #endif