CWE-ou-minkata/MOULOpenSourceClientPlugin/Plasma20/Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIEditBoxMod.cpp

/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.

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Additional permissions under GNU GPL version 3 section 7

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*==LICENSE==*/
//////////////////////////////////////////////////////////////////////////////
//																			//
//	pfGUIEditBoxMod Definition												//
//																			//
//////////////////////////////////////////////////////////////////////////////

#ifdef PLASMA_EXTERNAL_RELEASE
//#define LIMIT_VOICE_CHAT 1
#endif

#include "hsTypes.h"
#include "pfGUIEditBoxMod.h"
#include "pfGameGUIMgr.h"

#include "../pnMessage/plRefMsg.h"
#include "../pfMessage/pfGameGUIMsg.h"
#include "../plMessage/plAnimCmdMsg.h"
#include "../plAvatar/plAGModifier.h"
#include "../plGImage/plDynamicTextMap.h"
#include "plgDispatch.h"
#include "hsResMgr.h"
#include "../pnInputCore/plKeyMap.h"
#include "../plClipboard/plClipboard.h"

#include <locale>


//// Constructor/Destructor //////////////////////////////////////////////////

pfGUIEditBoxMod::pfGUIEditBoxMod()
{
	SetFlag( kWantsInterest );
	SetFlag( kTakesSpecialKeys );
	fIgnoreNextKey = false;
	fEscapedFlag = false;
	fFirstHalfExitKeyPushed = false;
	fSpecialCaptureKeyEventMode = false;
	fBuffer = 0;
	fLastDeadKey = 0;
	SetBufferSize( 128 );

	SetupDeadKeyConverter();
}

pfGUIEditBoxMod::~pfGUIEditBoxMod()
{
	delete [] fBuffer;
}

void pfGUIEditBoxMod::SetupDeadKeyConverter()
{
	int i,j;
	for (i=0; i<255; i++)
		for (j=0; j<255; j++)
			fDeadKeyConverter[i][j] = 0L;

	// we are adding 100 to the indexes because some of these chars have a negative index for some reason
	fDeadKeyConverter['^'+100]['a'] = L'<EFBFBD>';
	fDeadKeyConverter['^'+100]['e'] = L'<EFBFBD>';
	fDeadKeyConverter['^'+100]['i'] = L'<EFBFBD>';
	fDeadKeyConverter['^'+100]['o'] = L'<EFBFBD>';
	fDeadKeyConverter['^'+100]['u'] = L'<EFBFBD>';
	fDeadKeyConverter['^'+100]['A'] = L'<EFBFBD>';
	fDeadKeyConverter['^'+100]['E'] = L'<EFBFBD>';
	fDeadKeyConverter['^'+100]['I'] = L'<EFBFBD>';
	fDeadKeyConverter['^'+100]['O'] = L'<EFBFBD>';
	fDeadKeyConverter['^'+100]['U'] = L'<EFBFBD>';
	
	fDeadKeyConverter['<EFBFBD>'+100]['a'] = L'<EFBFBD>';
	fDeadKeyConverter['<EFBFBD>'+100]['e'] = L'<EFBFBD>';
	fDeadKeyConverter['<EFBFBD>'+100]['i'] = L'<EFBFBD>';
	fDeadKeyConverter['<EFBFBD>'+100]['o'] = L'<EFBFBD>';
	fDeadKeyConverter['<EFBFBD>'+100]['u'] = L'<EFBFBD>';
	fDeadKeyConverter['<EFBFBD>'+100]['A'] = L'<EFBFBD>';
	fDeadKeyConverter['<EFBFBD>'+100]['E'] = L'<EFBFBD>';
	fDeadKeyConverter['<EFBFBD>'+100]['I'] = L'<EFBFBD>';
	fDeadKeyConverter['<EFBFBD>'+100]['O'] = L'<EFBFBD>';
	fDeadKeyConverter['<EFBFBD>'+100]['U'] = L'<EFBFBD>';

	fDeadKeyConverter['<EFBFBD>'+100]['a'] = L'<EFBFBD>';
	fDeadKeyConverter['<EFBFBD>'+100]['e'] = L'<EFBFBD>';
	fDeadKeyConverter['<EFBFBD>'+100]['i'] = L'<EFBFBD>';
	fDeadKeyConverter['<EFBFBD>'+100]['o'] = L'<EFBFBD>';
	fDeadKeyConverter['<EFBFBD>'+100]['u'] = L'<EFBFBD>';
	fDeadKeyConverter['<EFBFBD>'+100]['y'] = L'<EFBFBD>';
	fDeadKeyConverter['<EFBFBD>'+100]['A'] = L'<EFBFBD>';
	fDeadKeyConverter['<EFBFBD>'+100]['E'] = L'<EFBFBD>';
	fDeadKeyConverter['<EFBFBD>'+100]['I'] = L'<EFBFBD>';
	fDeadKeyConverter['<EFBFBD>'+100]['O'] = L'<EFBFBD>';
	fDeadKeyConverter['<EFBFBD>'+100]['U'] = L'<EFBFBD>';
	fDeadKeyConverter['<EFBFBD>'+100]['Y'] = L'<EFBFBD>';

	fDeadKeyConverter['`'+100]['a'] = L'<EFBFBD>';
	fDeadKeyConverter['`'+100]['e'] = L'<EFBFBD>';
	fDeadKeyConverter['`'+100]['i'] = L'<EFBFBD>';
	fDeadKeyConverter['`'+100]['o'] = L'<EFBFBD>';
	fDeadKeyConverter['`'+100]['u'] = L'<EFBFBD>';
	fDeadKeyConverter['`'+100]['A'] = L'<EFBFBD>';
	fDeadKeyConverter['`'+100]['E'] = L'<EFBFBD>';
	fDeadKeyConverter['`'+100]['I'] = L'<EFBFBD>';
	fDeadKeyConverter['`'+100]['O'] = L'<EFBFBD>';
	fDeadKeyConverter['`'+100]['U'] = L'<EFBFBD>';
}

//// IEval ///////////////////////////////////////////////////////////////////

hsBool	pfGUIEditBoxMod::IEval( double secs, hsScalar del, UInt32 dirty )
{
	return pfGUIControlMod::IEval( secs, del, dirty );
}

//// MsgReceive //////////////////////////////////////////////////////////////

hsBool	pfGUIEditBoxMod::MsgReceive( plMessage *msg )
{
	return pfGUIControlMod::MsgReceive( msg );
}

//// IPostSetUpDynTextMap ////////////////////////////////////////////////////

void	pfGUIEditBoxMod::IPostSetUpDynTextMap( void )
{
	pfGUIColorScheme *scheme = GetColorScheme();
	fDynTextMap->SetFont( scheme->fFontFace, scheme->fFontSize, scheme->fFontFlags, 
							HasFlag( kXparentBgnd ) ? false : true );
}

//// IUpdate /////////////////////////////////////////////////////////////////

void	pfGUIEditBoxMod::IUpdate( void )
{
	hsColorRGBA c;


	if( fDynTextMap == nil || !fDynTextMap->IsValid() )
		return;

	c.Set( 0.f, 0.f, 0.f, 1.f );
	if ( fFocused && fSpecialCaptureKeyEventMode )
		fDynTextMap->ClearToColor( GetColorScheme()->fSelBackColor );
	else
		fDynTextMap->ClearToColor( GetColorScheme()->fBackColor );

	if( fBuffer != nil )
	{
		// First, calc the cursor position, so we can adjust the scrollPos as necessary
		Int16 cursorPos, oldCursorPos;
		if( fFocused && !fSpecialCaptureKeyEventMode )
		{
			// Really cheap hack here to figure out where to draw the cursor
			wchar_t backup = fBuffer[ fCursorPos ];
			fBuffer[ fCursorPos ] = 0;
			cursorPos = fDynTextMap->CalcStringWidth( fBuffer );
			fBuffer[ fCursorPos ] = backup;

			oldCursorPos = cursorPos;
			cursorPos -= (Int16)fScrollPos;

			if( 4 + cursorPos > fDynTextMap->GetVisibleWidth() - 4 - 2 )
			{
				fScrollPos += ( 4 + cursorPos ) - ( fDynTextMap->GetVisibleWidth() - 4 - 2 );
			}
			else if( 4 + cursorPos < 4 )
			{
				fScrollPos -= 4 - ( 4 + cursorPos );
				if( fScrollPos < 0 )
					fScrollPos = 0;
			}

			cursorPos = (Int16)(oldCursorPos - fScrollPos);
		}

		if ( fFocused && fSpecialCaptureKeyEventMode )
			// if special and has focus then use select
			fDynTextMap->SetTextColor( GetColorScheme()->fSelForeColor, GetColorScheme()->fTransparent &&
																	 GetColorScheme()->fSelBackColor.a == 0.f );
		else
			fDynTextMap->SetTextColor( GetColorScheme()->fForeColor, GetColorScheme()->fTransparent &&
																	 GetColorScheme()->fBackColor.a == 0.f );
		fDynTextMap->DrawClippedString( (Int16)(4 - fScrollPos), 4, fBuffer, 
										4, 4, fDynTextMap->GetVisibleWidth() - 8, fDynTextMap->GetVisibleHeight() - 8 );

		if( fFocused && !fSpecialCaptureKeyEventMode )
		{
			fDynTextMap->FrameRect( 4 + cursorPos, 4, 2, fDynTextMap->GetVisibleHeight() - 8, GetColorScheme()->fSelForeColor );
		}
	}
	fDynTextMap->FlushToHost();
}

void pfGUIEditBoxMod::PurgeDynaTextMapImage()
{
	if ( fDynTextMap != nil )
		fDynTextMap->PurgeImage();
}

//// Read/Write //////////////////////////////////////////////////////////////

void	pfGUIEditBoxMod::Read( hsStream *s, hsResMgr *mgr )
{
	pfGUIControlMod::Read(s, mgr);
}

void	pfGUIEditBoxMod::Write( hsStream *s, hsResMgr *mgr )
{
	pfGUIControlMod::Write( s, mgr );
}

//// HandleMouseDown /////////////////////////////////////////////////////////
//	What we do: normal click deselects all and selects the item clicked on
//	(if any). Shift-click and ctrl-click avoids the deselect and toggles
//	the item clicked on.

void	pfGUIEditBoxMod::HandleMouseDown( hsPoint3 &mousePt, UInt8 modifiers )
{
	wchar_t	backup;
	UInt16	width;


	if( fBuffer != nil && fDynTextMap != nil )
	{
		if( !fBounds.IsInside( &mousePt ) )
			return;

		IScreenToLocalPt( mousePt );

		mousePt.fX *= fDynTextMap->GetVisibleWidth();
		mousePt.fX += fScrollPos - 4;
		for( fCursorPos = 0; fCursorPos < wcslen( fBuffer ); fCursorPos++ )
		{
			backup = fBuffer[ fCursorPos + 1 ];
			fBuffer[ fCursorPos + 1 ] = 0;
			width = fDynTextMap->CalcStringWidth( fBuffer );
			fBuffer[ fCursorPos + 1 ] = backup;

			if( width > mousePt.fX )
				break;
		}

		IUpdate();
	}
}

//// HandleMouseUp ///////////////////////////////////////////////////////////

void	pfGUIEditBoxMod::HandleMouseUp( hsPoint3 &mousePt, UInt8 modifiers )
{
}

//// HandleMouseDrag /////////////////////////////////////////////////////////

void	pfGUIEditBoxMod::HandleMouseDrag( hsPoint3 &mousePt, UInt8 modifiers )
{
}

hsBool	pfGUIEditBoxMod::HandleKeyPress( char inKey, UInt8 modifiers )
{
	wchar_t key = (wchar_t)inKey;

	if( fBuffer == nil )
		return false;

	if( fIgnoreNextKey )
	{
		// So we don't process keys that already got handled by HandleKeyEvent()
		fIgnoreNextKey = false;
		return true;
	}
	
	if (plKeyboardDevice::KeyIsDeadKey())
	{
		if (fLastDeadKey != 0)
		{
			wchar_t temp = key; // we have two dead keys in a row, print out the old one and store the new one
			key = fLastDeadKey;
			fLastDeadKey = temp;
		}
		else
		{
			fLastDeadKey = key; // store the dead key and don't print it until we get the next char
			return true;
		}
	}

	int	i = wcslen( fBuffer );
	if (fLastDeadKey != 0) // we have a dead key that needs to be added in
	{
		wchar_t translatedKey = fDeadKeyConverter[(char)fLastDeadKey+100][(char)key];
		if (translatedKey == 0) // no translation possible?
		{
			// so we need to print the dead key, followed by the typed key
			// unless key is a space, then we just type the dead key
			if (key == L' ')
			{
				if (i<fBufferSize - 1)
				{
					memmove(fBuffer+fCursorPos+1, fBuffer+fCursorPos, (i - fCursorPos + 1) * sizeof(wchar_t));
					fBuffer[fCursorPos] = fLastDeadKey;
					fCursorPos++;
					HandleExtendedEvent(kValueChanging);
				}
				fLastDeadKey = 0L;
				IUpdate();
				return true;
			}
			// print two chars now
			if (i<fBufferSize - 2 && key != 0L)
			{
				memmove(fBuffer+fCursorPos+2, fBuffer+fCursorPos, (i - fCursorPos + 2) * sizeof(wchar_t));
				fBuffer[fCursorPos] = fLastDeadKey;
				fCursorPos++;
				fBuffer[fCursorPos] = key;
				fCursorPos++;

				HandleExtendedEvent( kValueChanging );
			}
			fLastDeadKey = 0L;
			IUpdate();
			return true;
		}
		// ok, so we have a translated key now, so assign it to our key and print it normally
		key = translatedKey;
		fLastDeadKey = 0;
	}

	// Insert character at the current cursor position, then inc the cursor by one
	if( i < fBufferSize - 1 && key != 0 )
	{
		memmove( fBuffer + fCursorPos + 1, fBuffer + fCursorPos, (i - fCursorPos + 1) * sizeof(wchar_t) );
		fBuffer[ fCursorPos ] = key;
		fCursorPos++;

		HandleExtendedEvent( kValueChanging );
	}
	IUpdate();
	return true;
}

hsBool	pfGUIEditBoxMod::HandleKeyEvent( pfGameGUIMgr::EventType event, plKeyDef key, UInt8 modifiers )
{
	if ( fSpecialCaptureKeyEventMode)
	{
		// handle doing special caputre mode
		if ( event == pfGameGUIMgr::kKeyDown )
		{
#ifdef LIMIT_VOICE_CHAT
			// don't allow them to map the TAB key to anything! 'cause we'll use it later
			if ( key == KEY_TAB)
			{
				fIgnoreNextKey = true;
				fFirstHalfExitKeyPushed = false;
				return true;
			}
#endif
			// capture the key
			fSavedKey = key;
			fSavedModifiers = modifiers;

			// turn key event into string
			char keyStr[30];
			if (plKeyMap::ConvertVKeyToChar( key ))
				strcpy(keyStr, plKeyMap::ConvertVKeyToChar( key ));
			else
				memset(keyStr, 0, sizeof(keyStr));

			static char shortKey[ 2 ];
			if( strlen(keyStr) == 0 )
			{
				if( isalnum( key ) )
				{
					shortKey[ 0 ] = (char)key;
					shortKey[ 1 ] = 0;
					strcpy(keyStr, shortKey);
				}
				else
					strcpy(keyStr, plKeyMap::GetStringUnmapped());
			}
			else
			{
				// check to see the buffer has ForewardSlash and change it to ForwardSlash
				if ( strcmp(keyStr,"ForewardSlash") == 0)
				{
					strcpy(keyStr,"ForwardSlash");
				}
			}

			static char newKey[ 16 ];
			newKey[0] = 0;
			if( modifiers & kShift )
				strcat( newKey, plKeyMap::GetStringShift() );
			if( modifiers & kCtrl )
				strcat( newKey, plKeyMap::GetStringCtrl() );
			strcat( newKey, keyStr );

			// set something in the buffer to be displayed
			wchar_t* temp = hsStringToWString(newKey);
			wcsncpy( fBuffer, temp , fBufferSize - 1 );
			delete [] temp;
			fCursorPos = 0;
			SetCursorToEnd();
			IUpdate();

			// done capturing... tell the handler
			DoSomething();
		}
		fIgnoreNextKey = true;
		fFirstHalfExitKeyPushed = false;
		return true;
	}
	else
	{
		// HACK for now--pass through caps lock so the runlock stuff will work even while a GUI is up
		if( key == KEY_CAPSLOCK )
			return false;

		if( event == pfGameGUIMgr::kKeyDown || event == pfGameGUIMgr::kKeyRepeat )
		{
			fFirstHalfExitKeyPushed = false;
			// Use arrow keys to do our dirty work
			if( key == KEY_UP || key == KEY_HOME )
			{
				SetCursorToHome();
			}
			else if( key == KEY_DOWN || key == KEY_END )
			{
				SetCursorToEnd();
			}
			else if( key == KEY_LEFT )
			{
				if( fCursorPos > 0 )
					fCursorPos--;
			}
			else if( key == KEY_RIGHT && fBuffer != nil )
			{
				if( fCursorPos < wcslen( fBuffer ) )
					fCursorPos++;
			}
			else if( key == KEY_BACKSPACE && fBuffer != nil )
			{
				if( fCursorPos > 0 )
				{
					fCursorPos--;
					memmove( fBuffer + fCursorPos, fBuffer + fCursorPos + 1, (wcslen( fBuffer + fCursorPos + 1 ) + 1) * sizeof(wchar_t) );
				}
			}
			else if( key == KEY_DELETE && fBuffer != nil )
			{
				if( fCursorPos < wcslen( fBuffer ) )
					memmove( fBuffer + fCursorPos, fBuffer + fCursorPos + 1, (wcslen( fBuffer + fCursorPos + 1 ) + 1) * sizeof(wchar_t) );			
			}
			else if( key == KEY_ENTER )
			{
				// do nothing here... wait for the keyup event
				fFirstHalfExitKeyPushed = true;
			}
			else if( key == KEY_ESCAPE )
			{
//				// do nothing here... wait for the keyup event
//				fFirstHalfExitKeyPushed = true;
				fEscapedFlag = true;
				DoSomething();		// Query WasEscaped() to see if it was escape vs enter
				return true;
			}
			else if (modifiers & pfGameGUIMgr::kCtrlDown) 
			{
				if (key == KEY_C) 
				{
					plClipboard::GetInstance().SetClipboardText(fBuffer);
				}
				else if (key == KEY_V)
				{
					wchar_t* contents = plClipboard::GetInstance().GetClipboardText();
					if (contents != nil) 
					{
						size_t len = wcslen(contents);
						if (len > 0) 
						{
							wchar_t* insertTarget = fBuffer + fCursorPos;
							size_t bufferTailLen = wcslen(insertTarget) + 1; //include terminating \0
							if (fCursorPos + len + bufferTailLen < fBufferSize) 
							{
								memmove(insertTarget + len, insertTarget, bufferTailLen * sizeof(wchar_t));
								memcpy(insertTarget, contents, len * sizeof(wchar_t));
								fCursorPos += len;
								HandleExtendedEvent( kValueChanging );
							}
						}
						delete contents;
					}
				}
			}
			else
			{
				fIgnoreNextKey = false;
				return true;
			}

			fIgnoreNextKey = true;
			IUpdate();
			return true;
		}
		// wait until the Key up for enter and escape to make sure we capture the whole key
		// ...before we give on focus control
		else if( event == pfGameGUIMgr::kKeyUp )
		{
			if( key == KEY_ENTER )
			{
				if (fFirstHalfExitKeyPushed)
				{
					// Do jack, just here to filter out it being added to the buffer
					// Well, ok, actually do *something*. *cough*.
					DoSomething();
					fFirstHalfExitKeyPushed = false;
					return true;
				}
			}
			else if( key == KEY_ESCAPE )
			{
				if (fFirstHalfExitKeyPushed)
				{
//					fEscapedFlag = true;
//					DoSomething();		// Query WasEscaped() to see if it was escape vs enter
					fFirstHalfExitKeyPushed = false;
					return true;
				}
			}
			fFirstHalfExitKeyPushed = false;
			return true;
		}
		else
		{
			// We don't process them, but we don't want anybody else processing them either
			return true;
		}
	}
}

std::string pfGUIEditBoxMod::GetBuffer( void )
{
	char* temp = hsWStringToString(fBuffer);
	std::string retVal = temp;
	delete [] temp;
	return retVal;
}

void	pfGUIEditBoxMod::ClearBuffer( void )
{
	if( fBuffer != nil )
	{
		memset( fBuffer, 0, (fBufferSize + 1) * sizeof(wchar_t) );
		fCursorPos = 0;
		fScrollPos = 0;
		IUpdate();
	}
}

void	pfGUIEditBoxMod::SetText( const char *str )
{
	wchar_t* temp = hsStringToWString(str);
	SetText(temp);
	delete [] temp;
}

void	pfGUIEditBoxMod::SetText( const wchar_t *str )
{
	if( fBuffer != nil )
	{
		wcsncpy( fBuffer, str, fBufferSize - 1 );
		fCursorPos = 0;
		fScrollPos = 0;
		IUpdate();
	}
}

void	pfGUIEditBoxMod::SetBufferSize( UInt32 size )
{
	delete [] fBuffer;

	fBufferSize = size;
	if( size > 0 )
	{
		fBuffer = TRACKED_NEW wchar_t[ size + 1 ];
		memset( fBuffer, 0, (size + 1) * sizeof(wchar_t) );
	}
	else
		fBuffer = nil;

	fCursorPos = 0;
	fScrollPos = 0;
}


void	pfGUIEditBoxMod::SetCursorToHome( void )
{
	fCursorPos = 0;
}

void	pfGUIEditBoxMod::SetCursorToEnd( void )
{
	if( fBuffer != nil )
		fCursorPos = wcslen( fBuffer );
}

void pfGUIEditBoxMod::SetLastKeyCapture(UInt32 key, UInt8 modifiers)
{
	// capture the key
	fSavedKey = (plKeyDef)key;
	fSavedModifiers = modifiers;

	// turn key event into string
	char keyStr[30];
	if (plKeyMap::ConvertVKeyToChar( key ))
		strcpy(keyStr, plKeyMap::ConvertVKeyToChar( key ));
	else
		memset(keyStr, 0, sizeof(keyStr));

	static char shortKey[ 2 ];
	if( strlen(keyStr) == 0 )
	{
		if( isalnum( key ) )
		{
			shortKey[ 0 ] = (char)key;
			shortKey[ 1 ] = 0;
			strcpy(keyStr, shortKey);
		}
		else
			strcpy(keyStr, plKeyMap::GetStringUnmapped());
	}
	else
	{
		// check to see the buffer has ForewardSlash and change it to ForwardSlash
		if ( strcmp(keyStr,"ForewardSlash") == 0)
		{
			strcpy(keyStr,"ForwardSlash");
		}
	}

	static char newKey[ 16 ];
	newKey[0] = 0;
	if( modifiers & kShift )
		strcat( newKey, plKeyMap::GetStringShift() );
	if( modifiers & kCtrl )
		strcat( newKey, plKeyMap::GetStringCtrl() );
	strcat( newKey, keyStr );

	// set something in the buffer to be displayed
	wchar_t* temp = hsStringToWString(newKey);
	wcsncpy( fBuffer, temp , fBufferSize - 1 );
	delete [] temp;

	fCursorPos = 0;
	SetCursorToEnd();
	IUpdate();
}