RDPKeyboard Class Reference

Inheritance diagram for RDPKeyboard:

Collaboration diagram for RDPKeyboard:

Instance Methods
(void)	- initWithSession:delegate:
(void)	- reset
(void)	- sendUnicode:
(void)	- sendVirtualKeyCode:
(void)	- sendVirtualKey:up:
(void)	- toggleCtrlKey
(void)	- toggleAltKey
(void)	- toggleShiftKey
(void)	- toggleWinKey
(void)	- sendEnterKeyStroke
(void)	- sendEscapeKeyStroke
(void)	- sendBackspaceKeyStroke

Class Methods
(RDPKeyboard *)	+ getSharedRDPKeyboard

Protected Attributes
RDPSession *	_session
int	_virtual_key_map [256]
BOOL	_virtual_key_shift_map [256]
NSObject< RDPKeyboardDelegate > *	_delegate
BOOL	_ctrl_pressed
BOOL	_alt_pressed
BOOL	_shift_pressed
BOOL	_win_pressed

Properties
id< RDPKeyboardDelegate >	delegate
BOOL	ctrlPressed
BOOL	altPressed
BOOL	shiftPressed
BOOL	winPressed

Detailed Description

Definition at line 21 of file RDPKeyboard.h.

Method Documentation

getSharedRDPKeyboard

+ (RDPKeyboard *) getSharedRDPKeyboard

Definition at line 1 of file RDPKeyboard.m.

{
  static RDPKeyboard *_shared_keyboard = nil;
 
  if (_shared_keyboard == nil)
  {
    @synchronized(self)
    {
      if (_shared_keyboard == nil)
        _shared_keyboard = [[RDPKeyboard alloc] init];
    }
  }
 
  return _shared_keyboard;
}

initWithSession:delegate:

- (void) initWithSession:		(RDPSession *)	session
delegate:		(NSObject<RDPKeyboardDelegate> *)	delegate

Definition at line 1 of file RDPKeyboard.m.

                       :(RDPSession *)session delegate:(NSObject<RDPKeyboardDelegate> *)delegate
{
  _alt_pressed = NO;
  _ctrl_pressed = NO;
  _shift_pressed = NO;
  _win_pressed = NO;
 
  _session = session;
  _delegate = delegate;
}

reset

- (void) reset

Definition at line 1 of file RDPKeyboard.m.

{
  // reset pressed ctrl, alt, shift or win key
  if (_shift_pressed)
    [self toggleShiftKey];
  if (_alt_pressed)
    [self toggleAltKey];
  if (_ctrl_pressed)
    [self toggleCtrlKey];
  if (_win_pressed)
    [self toggleWinKey];
}

sendBackspaceKeyStroke

- (void) sendBackspaceKeyStroke

Definition at line 1 of file RDPKeyboard.m.

{
  [self sendVirtualKeyCode:VK_BACK];
}

sendEnterKeyStroke

- (void) sendEnterKeyStroke

Definition at line 1 of file RDPKeyboard.m.

{
  [self sendVirtualKeyCode:(VK_RETURN | KBDEXT)];
}

sendEscapeKeyStroke

- (void) sendEscapeKeyStroke

Definition at line 1 of file RDPKeyboard.m.

{
  [self sendVirtualKeyCode:VK_ESCAPE];
}

sendUnicode:

- (void) sendUnicode:

(NSInteger)

character

Definition at line 1 of file RDPKeyboard.m.

                   :(NSInteger)character
{
  if ((character >= 0) && (character < 256) && isalnum((unsigned char)character))
    [self handleAlphaNumChar:(int)character];
  else
    [self handleSpecialKey:character];
 
  [self reset];
}

sendVirtualKey:up:

- (void) sendVirtualKey:		(NSInteger)	vKey
up:		(BOOL)	up

Definition at line 1 of file RDPKeyboard.m.

                      :(NSInteger)vKey up:(BOOL)up
{
  const DWORD dvKey = WINPR_ASSERTING_INT_CAST(DWORD, vKey);
  DWORD scancode = GetVirtualScanCodeFromVirtualKeyCode(dvKey, 4);
  int flags = (up ? KBD_FLAGS_RELEASE : KBD_FLAGS_DOWN);
  flags |= ((scancode & KBDEXT) ? KBD_FLAGS_EXTENDED : 0);
  [_session
      sendInputEvent:[NSDictionary
                         dictionaryWithObjectsAndKeys:@"keyboard", @"type", @"scancode",
                                                      @"subtype",
                                                      [NSNumber numberWithUnsignedShort:flags],
                                                      @"flags",
                                                      [NSNumber
                                                          numberWithUnsignedShort:(scancode &
                                                                                   0xFF)],
                                                      @"scancode", nil]];
}

sendVirtualKeyCode:

- (void) sendVirtualKeyCode:

(NSInteger)

keyCode

Definition at line 1 of file RDPKeyboard.m.

                          :(NSInteger)keyCode
{
  [self sendVirtualKey:keyCode up:NO];
  [self sendVirtualKey:keyCode up:YES];
}

toggleAltKey

- (void) toggleAltKey

Definition at line 1 of file RDPKeyboard.m.

{
  [self sendVirtualKey:VK_LMENU up:_alt_pressed];
  _alt_pressed = !_alt_pressed;
  [self notifyDelegateModifiersChanged];
}

toggleCtrlKey

- (void) toggleCtrlKey

Definition at line 1 of file RDPKeyboard.m.

{
  [self sendVirtualKey:VK_LCONTROL up:_ctrl_pressed];
  _ctrl_pressed = !_ctrl_pressed;
  [self notifyDelegateModifiersChanged];
}

toggleShiftKey

- (void) toggleShiftKey

Definition at line 1 of file RDPKeyboard.m.

{
  [self sendVirtualKey:VK_LSHIFT up:_shift_pressed];
  _shift_pressed = !_shift_pressed;
  [self notifyDelegateModifiersChanged];
}

toggleWinKey

- (void) toggleWinKey

Definition at line 1 of file RDPKeyboard.m.

{
  [self sendVirtualKey:(VK_LWIN | KBDEXT) up:_win_pressed];
  _win_pressed = !_win_pressed;
  [self notifyDelegateModifiersChanged];
}

Field Documentation

_alt_pressed

- (BOOL) _alt_pressed

protected

Definition at line 32 of file RDPKeyboard.h.

_ctrl_pressed

- (BOOL) _ctrl_pressed

protected

Definition at line 31 of file RDPKeyboard.h.

_delegate

- (NSObject<RDPKeyboardDelegate>*) _delegate

protected

Definition at line 29 of file RDPKeyboard.h.

_session

- (RDPSession*) _session

protected

Definition at line 24 of file RDPKeyboard.h.

_shift_pressed

- (BOOL) _shift_pressed

protected

Definition at line 33 of file RDPKeyboard.h.

_virtual_key_map

- (int _virtual_key_map[256])

protected

Definition at line 26 of file RDPKeyboard.h.

_virtual_key_shift_map

- (BOOL _virtual_key_shift_map[256])

protected

Definition at line 27 of file RDPKeyboard.h.

_win_pressed

- (BOOL) _win_pressed

protected

Definition at line 34 of file RDPKeyboard.h.

Property Documentation

altPressed

- (BOOL) altPressed

readatomicassign

Definition at line 39 of file RDPKeyboard.h.

ctrlPressed

- (BOOL) ctrlPressed

readatomicassign

Definition at line 38 of file RDPKeyboard.h.

delegate

- (id<RDPKeyboardDelegate>) delegate

readwriteatomicassign

Definition at line 37 of file RDPKeyboard.h.

shiftPressed

- (BOOL) shiftPressed

readatomicassign

Definition at line 40 of file RDPKeyboard.h.

winPressed

- (BOOL) winPressed

readatomicassign

Definition at line 41 of file RDPKeyboard.h.

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The documentation for this class was generated from the following files:

• RDPKeyboard.h
• RDPKeyboard.m