/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/


#ifndef _VCL_CMDEVT_HXX
#define _VCL_CMDEVT_HXX

#include <tools/gen.hxx>
#include <vcl/sv.h>
#include <vcl/dllapi.h>
#include <vcl/keycod.hxx>
#include <vcl/font.hxx>

// ---------------------------
// - CommandExtTextInputData -
// ---------------------------

#define EXTTEXTINPUT_ATTR_GRAYWAVELINE          ((sal_uInt16)0x0100)
#define EXTTEXTINPUT_ATTR_UNDERLINE             ((sal_uInt16)0x0200)
#define EXTTEXTINPUT_ATTR_BOLDUNDERLINE         ((sal_uInt16)0x0400)
#define EXTTEXTINPUT_ATTR_DOTTEDUNDERLINE       ((sal_uInt16)0x0800)
#define EXTTEXTINPUT_ATTR_DASHDOTUNDERLINE      ((sal_uInt16)0x1000)
#define EXTTEXTINPUT_ATTR_HIGHLIGHT             ((sal_uInt16)0x2000)
#define EXTTEXTINPUT_ATTR_REDTEXT               ((sal_uInt16)0x4000)
#define EXTTEXTINPUT_ATTR_HALFTONETEXT          ((sal_uInt16)0x8000)

#define EXTTEXTINPUT_CURSOR_INVISIBLE           ((sal_uInt16)0x0001)
#define EXTTEXTINPUT_CURSOR_OVERWRITE           ((sal_uInt16)0x0002)

class VCL_DLLPUBLIC CommandExtTextInputData
{
private:
    XubString           maText;
    sal_uInt16*             mpTextAttr;
    xub_StrLen          mnCursorPos;
    xub_StrLen          mnDeltaStart;
    xub_StrLen          mnOldTextLen;
    sal_uInt16              mnCursorFlags;
    sal_Bool                mbOnlyCursor;

public:
                        CommandExtTextInputData();
                        CommandExtTextInputData( const XubString& rText,
                                                 const sal_uInt16* pTextAttr,
                                                 xub_StrLen nCursorPos,
                                                 sal_uInt16 nCursorFlags,
                                                 xub_StrLen nDeltaStart,
                                                 xub_StrLen nOldTextLen,
                                                 sal_Bool bOnlyCursor );
                        CommandExtTextInputData( const CommandExtTextInputData& rData );
                        ~CommandExtTextInputData();

    const XubString&    GetText() const { return maText; }
    const sal_uInt16*       GetTextAttr() const { return mpTextAttr; }
    sal_uInt16              GetCharTextAttr( sal_uInt16 nIndex ) const;
    xub_StrLen          GetCursorPos() const { return mnCursorPos; }
    sal_Bool                IsCursorVisible() const { return (mnCursorFlags & EXTTEXTINPUT_CURSOR_INVISIBLE) == 0; }
    sal_Bool                IsCursorOverwrite() const { return (mnCursorFlags & EXTTEXTINPUT_CURSOR_OVERWRITE) != 0; }
    sal_uInt16              GetCursorFlags() const { return mnCursorFlags; }
    xub_StrLen          GetDeltaStart() const { return mnDeltaStart; }
    xub_StrLen          GetOldTextLen() const { return mnOldTextLen; }
    sal_Bool                IsOnlyCursorChanged() const { return mbOnlyCursor; }
};

inline sal_uInt16 CommandExtTextInputData::GetCharTextAttr( sal_uInt16 nIndex ) const
{
    if ( mpTextAttr && (nIndex < maText.Len()) )
        return mpTextAttr[nIndex];
    else
        return 0;
}

// ---------------------------
// - CommandInputContextData -
// ---------------------------

class VCL_DLLPUBLIC CommandInputContextData
{
private:
    LanguageType    meLanguage;

public:
                    CommandInputContextData();
                    CommandInputContextData( LanguageType eLang );

    LanguageType    GetLanguage() const { return meLanguage; }
};

inline CommandInputContextData::CommandInputContextData()
{
    meLanguage = LANGUAGE_DONTKNOW;
}

inline CommandInputContextData::CommandInputContextData( LanguageType eLang )
{
    meLanguage = eLang;
}

// --------------------
// - CommandWheelData -
// --------------------

#define COMMAND_WHEEL_SCROLL            ((sal_uInt16)0x0001)
#define COMMAND_WHEEL_ZOOM              ((sal_uInt16)0x0002)
#define COMMAND_WHEEL_DATAZOOM          ((sal_uInt16)0x0004)

#define COMMAND_WHEEL_PAGESCROLL        ((sal_uLong)0xFFFFFFFF)

class VCL_DLLPUBLIC CommandWheelData
{
private:
    long            mnDelta;
    long            mnNotchDelta;
    sal_uLong           mnLines;
    sal_uInt16          mnMode;
    sal_uInt16          mnCode;
    sal_Bool            mbHorz;
    sal_Bool            mbDeltaIsPixel;

public:
                    CommandWheelData();
                    CommandWheelData( long nWheelDelta, long nWheelNotchDelta,
                                      sal_uLong nScrollLines,
                                      sal_uInt16 nWheelMode, sal_uInt16 nKeyModifier,
                                      sal_Bool bHorz = sal_False, sal_Bool bDeltaIsPixel = sal_False );

    long            GetDelta() const { return mnDelta; }
    long            GetNotchDelta() const { return mnNotchDelta; }
    sal_uLong           GetScrollLines() const { return mnLines; }
    sal_Bool            IsHorz() const { return mbHorz; }
    sal_Bool            IsDeltaPixel() const { return mbDeltaIsPixel; }

    sal_uInt16          GetMode() const { return mnMode; }

    sal_uInt16          GetModifier() const
                        { return (mnCode & (KEY_SHIFT | KEY_MOD1 | KEY_MOD2)); }
    sal_Bool            IsShift() const
                        { return ((mnCode & KEY_SHIFT) != 0); }
    sal_Bool            IsMod1() const
                        { return ((mnCode & KEY_MOD1) != 0); }
    sal_Bool            IsMod2() const
                        { return ((mnCode & KEY_MOD2) != 0); }
    sal_Bool	        IsMod3() const
                        { return ((mnCode & KEY_MOD3) != 0); }
};

inline CommandWheelData::CommandWheelData()
{
    mnDelta         = 0;
    mnNotchDelta    = 0;
    mnLines         = 0;
    mnMode          = 0;
    mnCode          = 0;
    mbHorz          = sal_False;
    mbDeltaIsPixel  = sal_False;
}

inline CommandWheelData::CommandWheelData( long nWheelDelta, long nWheelNotchDelta,
                                           sal_uLong nScrollLines,
                                           sal_uInt16 nWheelMode, sal_uInt16 nKeyModifier,
                                           sal_Bool bHorz, sal_Bool bDeltaIsPixel )
{
    mnDelta         = nWheelDelta;
    mnNotchDelta    = nWheelNotchDelta;
    mnLines         = nScrollLines;
    mnMode          = nWheelMode;
    mnCode          = nKeyModifier;
    mbHorz          = bHorz;
    mbDeltaIsPixel  = bDeltaIsPixel;
}

// ---------------------
// - CommandScrollData -
// ---------------------

class VCL_DLLPUBLIC CommandScrollData
{
private:
    long            mnDeltaX;
    long            mnDeltaY;

public:
                    CommandScrollData();
                    CommandScrollData( long nDeltaX, long nDeltaY );

    long            GetDeltaX() const { return mnDeltaX; }
    long            GetDeltaY() const { return mnDeltaY; }
};

inline CommandScrollData::CommandScrollData()
{
    mnDeltaX    = 0;
    mnDeltaY    = 0;
}

inline CommandScrollData::CommandScrollData( long nDeltaX, long nDeltaY )
{
    mnDeltaX    = nDeltaX;
    mnDeltaY    = nDeltaY;
}

// --------------------
// - CommandVoiceData -
// --------------------

enum DictationCommandType
{
    VOICECOMMANDTYPE_DICTATION,
    VOICECOMMANDTYPE_CONTROL
};

class VCL_DLLPUBLIC CommandVoiceData
{
private:
    XubString               maText;
    sal_uInt16                  mnCommand;
    DictationCommandType    meType;

public:
                            CommandVoiceData();
                            CommandVoiceData( const XubString& rStr,
                                              DictationCommandType eType,
                                              sal_uInt16 nCommand );

    const XubString&        GetText() const { return maText; }
    sal_uInt16                  GetCommand() const { return mnCommand; }
    DictationCommandType    GetType() const { return meType; }
};

inline CommandVoiceData::CommandVoiceData()
{
    meType = VOICECOMMANDTYPE_DICTATION;
    mnCommand = 0;
}

inline CommandVoiceData::CommandVoiceData( const XubString& rStr,
                                           DictationCommandType eType,
                                           sal_uInt16 nCommand ) :
    maText( rStr ),
    mnCommand( nCommand ),
    meType( eType )
{
}

// ---------------------
// - CommandModKeyData -
// ---------------------

class VCL_DLLPUBLIC CommandModKeyData
{
private:
    sal_uInt16          mnCode;

public:
                    CommandModKeyData();
                    CommandModKeyData( sal_uInt16 nCode );

    sal_Bool            IsShift()   const { return (mnCode & MODKEY_SHIFT) ? sal_True : sal_False; }
    sal_Bool            IsMod1()    const { return (mnCode & MODKEY_MOD1) ? sal_True : sal_False; }
    sal_Bool            IsMod2()    const { return (mnCode & MODKEY_MOD2) ? sal_True : sal_False; }
    sal_Bool            IsMod3()    const { return (mnCode & MODKEY_MOD3) ? sal_True : sal_False; }

    sal_Bool            IsLeftShift() const { return (mnCode & MODKEY_LSHIFT) ? sal_True : sal_False; }
    sal_Bool            IsLeftMod1()  const { return (mnCode & MODKEY_LMOD1) ? sal_True : sal_False; }
    sal_Bool            IsLeftMod2()  const { return (mnCode & MODKEY_LMOD2) ? sal_True : sal_False; }
    sal_Bool            IsLeftMod3()  const { return (mnCode & MODKEY_LMOD3) ? sal_True : sal_False; }

    sal_Bool            IsRightShift() const { return (mnCode & MODKEY_RSHIFT) ? sal_True : sal_False; }
    sal_Bool            IsRightMod1()  const { return (mnCode & MODKEY_RMOD1) ? sal_True : sal_False; }
    sal_Bool            IsRightMod2()  const { return (mnCode & MODKEY_RMOD2) ? sal_True : sal_False; }
    sal_Bool            IsRightMod3()  const { return (mnCode & MODKEY_RMOD3) ? sal_True : sal_False; }
};

inline CommandModKeyData::CommandModKeyData()
{
    mnCode = 0L;
}

inline CommandModKeyData::CommandModKeyData( sal_uInt16 nCode )
{
    mnCode = nCode;
}

// --------------------
// - CommanDialogData -
// --------------------

#define SHOWDIALOG_ID_PREFERENCES       1
#define SHOWDIALOG_ID_ABOUT             2

class VCL_DLLPUBLIC CommandDialogData
{
    int             m_nDialogId;
    public:
    CommandDialogData( int nDialogId = SHOWDIALOG_ID_PREFERENCES )
    : m_nDialogId( nDialogId )
    {}
    
    int GetDialogId() const { return m_nDialogId; }
};

// --------------
// Media Commands
// --------------

#define MEDIA_COMMAND_CHANNEL_DOWN			 ((sal_Int16)1)	// Decrement the channel value, for example, for a TV or radio tuner. 
#define MEDIA_COMMAND_CHANNEL_UP			 ((sal_Int16)2)	// Increment the channel value, for example, for a TV or radio tuner. 
#define MEDIA_COMMAND_NEXTTRACK				 ((sal_Int16)3)	// Go to next media track/slide.
#define MEDIA_COMMAND_PAUSE					 ((sal_Int16)4) // Pause. If already paused, take no further action. This is a direct PAUSE command that has no state.
#define MEDIA_COMMAND_PLAY					 ((sal_Int16)5)	// Begin playing at the current position. If already paused, it will resume. This is a direct PLAY command that has no state.
#define MEDIA_COMMAND_PLAY_PAUSE			 ((sal_Int16)6)	// Play or pause playback.
#define MEDIA_COMMAND_PREVIOUSTRACK			 ((sal_Int16)7)	// Go to previous media track/slide.
#define MEDIA_COMMAND_RECORD				 ((sal_Int16)8)	// Begin recording the current stream.
#define MEDIA_COMMAND_REWIND				 ((sal_Int16)9)// Go backward in a stream at a higher rate of speed.
#define MEDIA_COMMAND_STOP					 ((sal_Int16)10)// Stop playback.
#define MEDIA_COMMAND_MIC_ON_OFF_TOGGLE		 ((sal_Int16)11)// Toggle the microphone.
#define MEDIA_COMMAND_MICROPHONE_VOLUME_DOWN ((sal_Int16)12)// Increase microphone volume.
#define MEDIA_COMMAND_MICROPHONE_VOLUME_MUTE ((sal_Int16)13)// Mute the microphone.
#define MEDIA_COMMAND_MICROPHONE_VOLUME_UP   ((sal_Int16)14)// Decrease microphone volume.
#define MEDIA_COMMAND_VOLUME_DOWN			 ((sal_Int16)15)// Lower the volume.
#define MEDIA_COMMAND_VOLUME_MUTE			 ((sal_Int16)16)// Mute the volume.
#define MEDIA_COMMAND_VOLUME_UP				 ((sal_Int16)17)// Raise the volume.
#define MEDIA_COMMAND_MENU                   ((sal_Int16)18)// Button Menu pressed.
#define MEDIA_COMMAND_MENU_HOLD              ((sal_Int16)19)// Button Menu (long) pressed.
#define MEDIA_COMMAND_PLAY_HOLD              ((sal_Int16)20)// Button Play (long) pressed.
#define MEDIA_COMMAND_NEXTTRACK_HOLD         ((sal_Int16)21)// Button Right holding pressed.
#define MEDIA_COMMAND_PREVIOUSTRACK_HOLD     ((sal_Int16)22)// Button Left holding pressed.


// ------------------------------
// - CommandSelectionChangeData -
// ------------------------------

class VCL_DLLPUBLIC CommandSelectionChangeData
{
private:
    sal_uLong          mnStart;
    sal_uLong          mnEnd;

public:
    CommandSelectionChangeData();
    CommandSelectionChangeData( sal_uLong nStart, sal_uLong nEnd );

    sal_uLong          GetStart() const { return mnStart; }
    sal_uLong          GetEnd() const { return mnEnd; }
};

inline CommandSelectionChangeData::CommandSelectionChangeData()
{
    mnStart = mnEnd = 0;
}

inline CommandSelectionChangeData::CommandSelectionChangeData( sal_uLong nStart,
							       sal_uLong nEnd )
{
    mnStart = nStart;
    mnEnd = nEnd;
}

// ----------------
// - CommandEvent -
// ----------------

#define COMMAND_CONTEXTMENU             ((sal_uInt16)1)
#define COMMAND_STARTDRAG               ((sal_uInt16)2)
#define COMMAND_WHEEL                   ((sal_uInt16)3)
#define COMMAND_STARTAUTOSCROLL         ((sal_uInt16)4)
#define COMMAND_AUTOSCROLL              ((sal_uInt16)5)
#define COMMAND_VOICE                   ((sal_uInt16)6)
#define COMMAND_STARTEXTTEXTINPUT       ((sal_uInt16)7)
#define COMMAND_EXTTEXTINPUT            ((sal_uInt16)8)
#define COMMAND_ENDEXTTEXTINPUT         ((sal_uInt16)9)
#define COMMAND_INPUTCONTEXTCHANGE      ((sal_uInt16)10)
#define COMMAND_CURSORPOS               ((sal_uInt16)11)
#define COMMAND_PASTESELECTION          ((sal_uInt16)12)
#define COMMAND_MODKEYCHANGE            ((sal_uInt16)13)
#define COMMAND_HANGUL_HANJA_CONVERSION ((sal_uInt16)14)
#define COMMAND_INPUTLANGUAGECHANGE     ((sal_uInt16)15)
#define COMMAND_SHOWDIALOG              ((sal_uInt16)16)
#define COMMAND_MEDIA					((sal_uInt16)17)
#define COMMAND_SELECTIONCHANGE         ((sal_uInt16)18)
#define COMMAND_PREPARERECONVERSION     ((sal_uInt16)19)
#define COMMAND_USER                    ((sal_uInt16)4096)

class VCL_DLLPUBLIC CommandEvent
{
private:
    Point                               maPos;
    void*                               mpData;
    sal_uInt16                              mnCommand;
    sal_Bool                                mbMouseEvent;

public:
                                        CommandEvent();
                                        CommandEvent( const Point& rMousePos, sal_uInt16 nCmd,
                                                      sal_Bool bMEvt = sal_False, const void* pCmdData = NULL );

    sal_uInt16                              GetCommand() const { return mnCommand; }
    const Point&                        GetMousePosPixel() const { return maPos; }
    sal_Bool                                IsMouseEvent() const { return mbMouseEvent; }
    void*                               GetData() const { return mpData; }

    const CommandExtTextInputData*      GetExtTextInputData() const;
    const CommandInputContextData*      GetInputContextChangeData() const;
    const CommandWheelData*             GetWheelData() const;
    const CommandScrollData*            GetAutoScrollData() const;
    const CommandVoiceData*             GetVoiceData() const;
    const CommandModKeyData*			GetModKeyData() const;
    const CommandDialogData*            GetDialogData() const;
	sal_Int16							GetMediaCommand() const;
    const CommandSelectionChangeData*   GetSelectionChangeData() const;
};

inline CommandEvent::CommandEvent()
{
    mpData          = NULL;
    mnCommand       = 0;
    mbMouseEvent    = sal_False;
}

inline CommandEvent::CommandEvent( const Point& rMousePos,
                                   sal_uInt16 nCmd, sal_Bool bMEvt, const void* pCmdData ) :
            maPos( rMousePos )
{
    mpData          = (void*)pCmdData;
    mnCommand       = nCmd;
    mbMouseEvent    = bMEvt;
}

inline const CommandExtTextInputData* CommandEvent::GetExtTextInputData() const
{
    if ( mnCommand == COMMAND_EXTTEXTINPUT )
        return (const CommandExtTextInputData*)mpData;
    else
        return NULL;
}

inline const CommandInputContextData* CommandEvent::GetInputContextChangeData() const
{
    if ( mnCommand == COMMAND_INPUTCONTEXTCHANGE )
        return (const CommandInputContextData*)mpData;
    else
        return NULL;
}

inline const CommandWheelData* CommandEvent::GetWheelData() const
{
    if ( mnCommand == COMMAND_WHEEL )
        return (const CommandWheelData*)mpData;
    else
        return NULL;
}

inline const CommandScrollData* CommandEvent::GetAutoScrollData() const
{
    if ( mnCommand == COMMAND_AUTOSCROLL )
        return (const CommandScrollData*)mpData;
    else
        return NULL;
}

inline const CommandVoiceData* CommandEvent::GetVoiceData() const
{
    if ( mnCommand == COMMAND_VOICE )
        return (const CommandVoiceData*)mpData;
    else
        return NULL;
}

inline const CommandModKeyData* CommandEvent::GetModKeyData() const
{
    if( mnCommand == COMMAND_MODKEYCHANGE )
        return (const CommandModKeyData*)mpData;
    else
        return NULL;
}

inline const CommandDialogData* CommandEvent::GetDialogData() const
{
    if( mnCommand == COMMAND_SHOWDIALOG )
        return (const CommandDialogData*)mpData;
    else
        return NULL;
}

inline sal_Int16 CommandEvent::GetMediaCommand() const
{
    if( mnCommand == COMMAND_MEDIA )
        return *(const sal_Int16*)(mpData);
    else
        return 0;
}

inline const CommandSelectionChangeData* CommandEvent::GetSelectionChangeData() const
{
    if( mnCommand == COMMAND_SELECTIONCHANGE )
	return (const CommandSelectionChangeData*)mpData;
    else
	return NULL;
}


#endif // _VCL_CMDEVT_HXX