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{ CocoaKeyInput
Copyright (C) 2019 Sammarco Francesco
This source is free software; you can redistribute it and/or modify it under the terms of the
GNU General Public License as published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
This code is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
A copy of the GNU General Public License is available on the World Wide Web at
<http://www.gnu.org/copyleft/gpl.html>. You can also obtain it by writing to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1335, USA.
}
unit CocoaKeyInput;
{$mode objfpc}{$H+}
interface
uses
MacOSAll,
Classes, SysUtils, Controls, Forms,
CocoaUtils, CGEventSource, CGEvent, CGEventTypes, CGRemoteOperation, CFBase,
KeyInputIntf;
type
{ TCocoaKeyInput }
TCocoaKeyInput = class(TKeyInput)
protected
procedure DoDown(Key: Word); override;
procedure DoUp(Key: Word); override;
end;
function InitializeKeyInput: TKeyInput;
implementation
uses
LCLType;
function InitializeKeyInput: TKeyInput;
begin
Result := TCocoaKeyInput.Create;
end;
function VKToMacCode(AKey: Word): Word;
begin
case AKey of
VK_A : Result := kVK_ANSI_A;
VK_S : Result := kVK_ANSI_S;
VK_D : Result := kVK_ANSI_D;
VK_F : Result := kVK_ANSI_F;
VK_H : Result := kVK_ANSI_H;
VK_G : Result := kVK_ANSI_G;
VK_Z : Result := kVK_ANSI_Z;
VK_X : Result := kVK_ANSI_X;
VK_C : Result := kVK_ANSI_C;
VK_V : Result := kVK_ANSI_V;
//kVK_ISO_Section // ISO keyboard only
VK_B : Result := kVK_ANSI_B;
VK_Q : Result := kVK_ANSI_Q;
VK_W : Result := kVK_ANSI_W;
VK_E : Result := kVK_ANSI_E;
VK_R : Result := kVK_ANSI_R;
VK_Y : Result := kVK_ANSI_Y;
VK_T : Result := kVK_ANSI_T;
VK_1 : Result := kVK_ANSI_1;
VK_2 : Result := kVK_ANSI_2;
VK_3 : Result := kVK_ANSI_3;
VK_4 : Result := kVK_ANSI_4;
VK_6 : Result := kVK_ANSI_6;
VK_5 : Result := kVK_ANSI_5;
VK_LCL_EQUAL : Result := kVK_ANSI_Equal; // aka VK_EQUAL = 187 = $BB;
VK_9 : Result := kVK_ANSI_9;
VK_7 : Result := kVK_ANSI_7;
VK_OEM_MINUS : Result := kVK_ANSI_Minus;
VK_8 : Result := kVK_ANSI_8;
VK_0 : Result := kVK_ANSI_0;
VK_OEM_6 : Result := kVK_ANSI_RightBracket;
VK_O : Result := kVK_ANSI_O;
VK_U : Result := kVK_ANSI_U;
VK_LCL_OPEN_BRAKET : Result := kVK_ANSI_LeftBracket;
VK_I : Result := kVK_ANSI_I;
VK_P : Result := kVK_ANSI_P;
VK_RETURN : Result := kVK_Return;
VK_L : Result := kVK_ANSI_L;
VK_J : Result := kVK_ANSI_J;
VK_LCL_QUOTE : Result := kVK_ANSI_Quote;
VK_K : Result := kVK_ANSI_K;
VK_LCL_SEMI_COMMA : Result := kVK_ANSI_Semicolon;
VK_LCL_BACKSLASH : Result := kVK_ANSI_Backslash;
VK_LCL_COMMA : Result := kVK_ANSI_Comma;
VK_LCL_SLASH : Result := kVK_ANSI_Slash;
VK_N : Result := kVK_ANSI_N;
VK_M : Result := kVK_ANSI_M;
VK_LCL_POINT : Result := kVK_ANSI_Period;
VK_TAB : Result := kVK_Tab;
VK_SPACE : Result := kVK_Space;
VK_LCL_TILDE : Result := kVK_ANSI_Grave;
VK_BACK : Result := kVK_Delete;
VK_DELETE : Result := kVK_Delete; //Added from Francesco Sammarco
VK_ESCAPE : Result := kVK_Escape;
VK_LWIN : Result := kVK_Command;
// todo: Application.ExtendedKeysSupport must be true!
VK_SHIFT : Result := kVK_Shift; //Added from Francesco Sammarco
VK_MENU : Result := kVK_Option; //Added from Francesco Sammarco
VK_CONTROL : Result := kVK_Control; //Added from Francesco Sammarco
VK_LSHIFT : Result := kVK_Shift;
VK_CAPITAL : Result := kVK_CapsLock;
VK_LMENU : Result := kVK_Option;
VK_LCONTROL : Result := kVK_Control;
VK_RSHIFT : Result := kVK_RightShift;
VK_RMENU : Result := kVK_RightOption;
VK_RCONTROL : Result := kVK_RightControl;
//kVK_Function : Result := VK_; todo:
VK_F17 : Result := kVK_F17;
VK_DECIMAL : Result := kVK_ANSI_KeypadDecimal;
VK_MULTIPLY : Result := kVK_ANSI_KeypadMultiply;
VK_ADD : Result := kVK_ANSI_KeypadPlus;
VK_NUMLOCK : Result := kVK_ANSI_KeypadClear;
VK_VOLUME_UP : Result := kVK_VolumeUp;
VK_VOLUME_DOWN : Result := kVK_VolumeDown;
VK_VOLUME_MUTE : Result := kVK_Mute;
VK_DIVIDE : Result := kVK_ANSI_KeypadDivide;
//VK_RETURN : Result := kVK_ANSI_KeypadEnter; //Commented from Francesco Sammarco (duplicate VK_RETURN)
VK_SUBTRACT : Result := kVK_ANSI_KeypadMinus;
VK_F18 : Result := kVK_F18;
VK_F19 : Result := kVK_F19;
//kVK_ANSI_KeypadEquals : Result := VK_;
VK_NUMPAD0 : Result := kVK_ANSI_Keypad0;
VK_NUMPAD1 : Result := kVK_ANSI_Keypad1;
VK_NUMPAD2 : Result := kVK_ANSI_Keypad2;
VK_NUMPAD3 : Result := kVK_ANSI_Keypad3;
VK_NUMPAD4 : Result := kVK_ANSI_Keypad4;
VK_NUMPAD5 : Result := kVK_ANSI_Keypad5;
VK_NUMPAD6 : Result := kVK_ANSI_Keypad6;
VK_NUMPAD7 : Result := kVK_ANSI_Keypad7;
VK_F20 : Result := kVK_F20;
VK_NUMPAD8 : Result := kVK_ANSI_Keypad8;
VK_NUMPAD9 : Result := kVK_ANSI_Keypad9;
//kVK_JIS_Yen = $5D;
//kVK_JIS_Underscore = $5E;
//kVK_JIS_KeypadComma = $5F;
VK_F5 : Result := kVK_F5;
VK_F6 : Result := kVK_F6;
VK_F7 : Result := kVK_F7;
VK_F3 : Result := kVK_F3;
VK_F8 : Result := kVK_F8;
VK_F9 : Result := kVK_F9;
//kVK_JIS_Eisu = $66;
VK_KANA : Result := kVK_JIS_Kana;
VK_F11 : Result := kVK_F11;
VK_SNAPSHOT : Result := kVK_F13;
VK_F16 : Result := kVK_F16;
VK_SCROLL : Result := kVK_F14;
VK_F10 : Result := kVK_F10;
VK_APPS : Result := kVK_SubMenu;
VK_F12 : Result := kVK_F12;
VK_PAUSE : Result := kVK_F15;
VK_HELP : Result := kVK_Help; //VK_INSERT; // todo!
VK_HOME : Result := kVK_Home;
VK_PRIOR : Result := kVK_PageUp;
//VK_DELETE : Result := kVK_ForwardDelete; // Commented from Francesco Sammarco
VK_F4 : Result := kVK_F4;
VK_END : Result := kVK_End;
VK_F2 : Result := kVK_F2;
VK_NEXT : Result := kVK_PageDown;
VK_F1 : Result := kVK_F1;
VK_LEFT : Result := kVK_LeftArrow;
VK_RIGHT : Result := kVK_RightArrow;
VK_DOWN : Result := kVK_DownArrow;
VK_UP : Result := kVK_UpArrow;
else
Result := VK_UNKNOWN;
end;
end;
procedure SendKeyInput(Key: Word; Down: Boolean);
var
EventSourceRef : CGEventSourceRef;
KeyDownRef, KeyUpRef: CGEventRef;
begin
EventSourceRef := CGEventSourceCreate(kCGEventSourceStateHIDSystemState);
if EventSourceRef = nil then RaiseLastOSError;
try
if Down then
begin
KeyDownRef := CGEventCreateKeyboardEvent(EventSourceRef, VKToMacCode(Key), 1); //1 = key down
if KeyDownRef = nil then RaiseLastOSError;
CGEventSetFlags(KeyDownRef, CGEventGetFlags(KeyDownRef)); //combine flags
CGEventPost(kCGHIDEventTap, KeyDownRef);
end else begin
KeyUpRef := CGEventCreateKeyboardEvent(EventSourceRef, VKToMacCode(Key), 0); //0 = key up
if KeyUpRef = nil then RaiseLastOSError;
CGEventSetFlags(KeyDownRef, CGEventGetFlags(KeyDownRef)); //combine flags
CGEventPost(kCGHIDEventTap, KeyUpRef);
end;
finally
if Down then
if KeyDownRef <> nil then CFRelease(KeyDownRef)
else
if KeyUpRef <> nil then CFRelease(KeyUpRef);
CFRelease(EventSourceRef);
end;
end;
{ TCocoaKeyInput }
procedure TCocoaKeyInput.DoDown(Key: Word);
begin
SendKeyInput(Key, True);
end;
procedure TCocoaKeyInput.DoUp(Key: Word);
begin
SendKeyInput(Key, False);
end;
end.
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