Add client support for LED state sync
diff --git a/vncviewer/cocoa.mm b/vncviewer/cocoa.mm
index 6e464fa..6483291 100644
--- a/vncviewer/cocoa.mm
+++ b/vncviewer/cocoa.mm
@@ -27,6 +27,9 @@
#import <Cocoa/Cocoa.h>
#import <Carbon/Carbon.h>
+#include <IOKit/hidsystem/IOHIDLib.h>
+#include <IOKit/hidsystem/IOHIDParameter.h>
+
#define XK_LATIN1
#define XK_MISCELLANY
#define XK_XKB_KEYS
@@ -406,3 +409,50 @@
return ucs2keysym([chars characterAtIndex:0]);
}
+
+static int cocoa_open_hid(io_connect_t *ioc)
+{
+ kern_return_t ret;
+ io_service_t ios;
+ CFMutableDictionaryRef mdict;
+
+ mdict = IOServiceMatching(kIOHIDSystemClass);
+ ios = IOServiceGetMatchingService(kIOMasterPortDefault,
+ (CFDictionaryRef) mdict);
+ if (!ios)
+ return KERN_FAILURE;
+
+ ret = IOServiceOpen(ios, mach_task_self(), kIOHIDParamConnectType, ioc);
+ IOObjectRelease(ios);
+ if (ret != KERN_SUCCESS)
+ return ret;
+
+ return KERN_SUCCESS;
+}
+
+static int cocoa_set_modifier_lock_state(int modifier, bool on)
+{
+ kern_return_t ret;
+ io_connect_t ioc;
+
+ ret = cocoa_open_hid(&ioc);
+ if (ret != KERN_SUCCESS)
+ return ret;
+
+ ret = IOHIDSetModifierLockState(ioc, modifier, on);
+ IOServiceClose(ioc);
+ if (ret != KERN_SUCCESS)
+ return ret;
+
+ return KERN_SUCCESS;
+}
+
+int cocoa_set_caps_lock_state(bool on)
+{
+ return cocoa_set_modifier_lock_state(kIOHIDCapsLockState, on);
+}
+
+int cocoa_set_num_lock_state(bool on)
+{
+ return cocoa_set_modifier_lock_state(kIOHIDNumLockState, on);
+}