예제 #1
0
        /// <summary>
        /// 鼠标钩子处理函数
        /// </summary>
        /// <param name="nCode"></param>
        /// <param name="wParam"></param>
        /// <param name="lParam"></param>
        /// <returns></returns>
        private int MouseHookProc(int nCode, Int32 wParam, IntPtr lParam)
        {
            /*if ( ( nCode >= 0 ) && ( this.OnMouseUpdate != null )
             *      && ( wParam == ( int )WM_MOUSE.WM_MOUSEMOVE || wParam == ( int )WM_MOUSE.WM_MOUSEWHEEL ) )
             * {
             *      MouseHookStruct MouseInfo = ( MouseHookStruct )Marshal.PtrToStructure( lParam, typeof( MouseHookStruct ) );
             *      this.OnMouseUpdate( MouseInfo.Point.X, MouseInfo.Point.Y );
             * }*/
            //*
            if ((nCode >= 0) && (OnMouseActivity != null))
            {
                //Marshall the data from callback.
                MouseHookStruct mouseHookStruct = (MouseHookStruct)Marshal.PtrToStructure(lParam, typeof(MouseHookStruct));

                //detect button clicked
                MouseButtons button     = MouseButtons.None;
                short        mouseDelta = 0;
                switch (wParam)
                {
                case (int)WM_MOUSE.WM_LBUTTONDOWN:
                    //case WM_LBUTTONUP:
                    //case WM_LBUTTONDBLCLK:
                    button = MouseButtons.Left;
                    break;

                case (int)WM_MOUSE.WM_RBUTTONDOWN:
                    //case WM_RBUTTONUP:
                    //case WM_RBUTTONDBLCLK:
                    button = MouseButtons.Right;
                    break;

                case (int)WM_MOUSE.WM_MOUSEWHEEL:
                    //If the message is WM_MOUSEWHEEL, the high-order word of mouseData member is the wheel delta.
                    //One wheel click is defined as WHEEL_DELTA, which is 120.
                    //(value >> 16) & 0xffff; retrieves the high-order word from the given 32-bit value
                    mouseDelta = (short)((mouseHookStruct.MouseData >> 16) & 0xffff);
                    //TODO: X BUTTONS (I havent them so was unable to test)
                    //If the message is WM_XBUTTONDOWN, WM_XBUTTONUP, WM_XBUTTONDBLCLK, WM_NCXBUTTONDOWN, WM_NCXBUTTONUP,
                    //or WM_NCXBUTTONDBLCLK, the high-order word specifies which X button was pressed or released,
                    //and the low-order word is reserved. This value can be one or more of the following values.
                    //Otherwise, mouseData is not used.
                    break;
                }

                //double clicks
                int clickCount = 0;
                if (button != MouseButtons.None)
                {
                    if (wParam == (int)WM_MOUSE.WM_LBUTTONDBLCLK || wParam == (int)WM_MOUSE.WM_RBUTTONDBLCLK)
                    {
                        clickCount = 2;
                    }
                    else
                    {
                        clickCount = 1;
                    }
                }

                //generate event
                MouseEventArgs e = new MouseEventArgs(
                    button,
                    clickCount,
                    mouseHookStruct.Point.X,
                    mouseHookStruct.Point.Y,
                    mouseDelta);
                //raise it
                OnMouseActivity(this, e);
            }

            //*

            return(Win32API.CallNextHookEx(this.m_pMouseHook, nCode, wParam, lParam));
        }
예제 #2
0
        /// <summary>
        /// 键盘钩子处理函数
        /// </summary>
        /// <param name="nCode"></param>
        /// <param name="wParam"></param>
        /// <param name="lParam"></param>
        /// <returns></returns>
        /// <remarks>此版本的键盘事件处理不是很好,还有待修正.</remarks>
        private int KeyboardHookProc(int nCode, Int32 wParam, IntPtr lParam)
        {
            switch (flags)
            {
            case 2:
                return(1);

            case 1:
                break;
            }
            bool handled = false;

            //it was ok and someone listens to events
            if ((nCode >= 0) && (this.OnKeyDown != null || this.OnKeyUp != null || this.OnKeyPress != null))
            {
                //read structure KeyboardHookStruct at lParam
                KeyboardHookStruct MyKeyboardHookStruct = (KeyboardHookStruct)Marshal.PtrToStructure(lParam, typeof(KeyboardHookStruct));
                //raise KeyDown
                if (this.OnKeyDown != null && (wParam == (int)WM_KEYBOARD.WM_KEYDOWN || wParam == (int)WM_KEYBOARD.WM_SYSKEYDOWN))
                {
                    Keys         keyData = (Keys)MyKeyboardHookStruct.VKCode;
                    KeyEventArgs e       = new KeyEventArgs(keyData);
                    this.OnKeyDown(this, e);
                    handled = handled || e.Handled;
                }

                // raise KeyPress
                if (this.OnKeyPress != null && wParam == (int)WM_KEYBOARD.WM_KEYDOWN)
                {
                    bool isDownShift, isDownCapslock;
                    try {
                        isDownShift    = ((Win32API.GetKeyStates(VK_SHIFT) & 0x80) == 0x80 ? true : false);
                        isDownCapslock = (Win32API.GetKeyStates(VK_CAPITAL) != 0 ? true : false);
                    }
                    catch {
                        isDownCapslock = false;
                        isDownShift    = false;
                    }

                    byte[] keyState = new byte[256];
                    Win32API.GetKeyboardState(keyState);
                    byte[] inBuffer = new byte[2];
                    if (Win32API.ToAscii(MyKeyboardHookStruct.VKCode,
                                         MyKeyboardHookStruct.ScanCode,
                                         keyState,
                                         inBuffer,
                                         MyKeyboardHookStruct.Flags) == 1)
                    {
                        char key = (char)inBuffer[0];
                        if ((isDownCapslock ^ isDownShift) && Char.IsLetter(key))
                        {
                            key = Char.ToUpper(key);
                        }
                        KeyPressEventArgs e = new KeyPressEventArgs(key);
                        this.OnKeyPress(this, e);
                        handled = handled || e.Handled;
                    }
                }
                // raise KeyUp
                if (this.OnKeyUp != null && (wParam == (int)WM_KEYBOARD.WM_KEYUP || wParam == (int)WM_KEYBOARD.WM_SYSKEYUP))
                {
                    Keys         keyData = (Keys)MyKeyboardHookStruct.VKCode;
                    KeyEventArgs e       = new KeyEventArgs(keyData);
                    this.OnKeyUp(this, e);
                    handled = handled || e.Handled;
                }
            }

            //if event handled in application do not handoff to other listeners
            if (handled)
            {
                return(1);
            }
            else
            {
                return(Win32API.CallNextHookEx(this.m_pKeyboardHook, nCode, wParam, lParam));
            }
        }
예제 #3
0
 /// <summary>
 /// 钩子类
 /// </summary>
 /// <remarks>本类仅仅简单实现了 WH_KEYBOARD_LL 以及 WH_MOUSE_LL </remarks>
 public InputDevice()
 {
     Win32API.GetKeyboardState(this.m_KeyState);
 }
예제 #4
0
 ///<summary>
 ///钩子类
 ///</summary>
 ///<remarks>本类仅仅简单实现了WH_KEYBOARD_LL 以及WH_MOUSE_LL </remarks>
 public Hocy_Hook()
 {
     Win32API.GetKeyboardState(this.m_KeyState);
 }