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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program 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 3 of the License, or
(at your option) any later version.
This program 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.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
#ifndef plEdit_h_inc
#define plEdit_h_inc
class plEdit : public plControl
{
private:
bool fRestrictToAlphaNum;
public:
DECLARE_WINDOWSUBCLASS(plEdit,plControl)
plDelegate fChangeDelegate;
plDelegate fKillFocusDelegate;
plEdit()
{fRestrictToAlphaNum = false;}
plEdit( plWindow * inOwner, int inId=0, WNDPROC inSuperProc=nil, bool restrict=false )
: plControl( inOwner, inId, inSuperProc?inSuperProc:_SuperProc ), fRestrictToAlphaNum(restrict)
{}
void OpenWindow( bool visible, bool multiline, bool readOnly )
{
PerformCreateWindowEx
(
WS_EX_CLIENTEDGE,
nil,
WS_CHILD | (visible?WS_VISIBLE:0) | ES_LEFT | (multiline?(ES_MULTILINE|WS_VSCROLL|WS_HSCROLL):0) | ES_AUTOVSCROLL | ES_AUTOHSCROLL | (readOnly?ES_READONLY:0),
0, 0,
0, 0,
*fOwnerWindow,
(HMENU)fControlID,
plWndCtrls::Instance()
);
SendMessage( *this, WM_SETFONT, (WPARAM)GetStockObject(DEFAULT_GUI_FONT), MAKELPARAM(0,0) );
}
bool InterceptControlCommand( unsigned int message, unsigned int wParam, LONG lParam )
{
if (HIWORD(wParam)==EN_CHANGE)
{
fChangeDelegate();
return 1;
}
else if(HIWORD(wParam)==EN_KILLFOCUS)
{
fKillFocusDelegate();
return 1;
}
else
return 0;
}
virtual LONG OnChar( char ch )
{
if (fRestrictToAlphaNum)
{
// we only accept 0-9, a-z, A-Z, or backspace
if ((ch < '0' || ch > '9') && (ch < 'a' || ch > 'z') && (ch < 'A' || ch >'Z') && !(ch == VK_BACK))
{
MessageBeep(-1); // alert the user
return FALSE; // and make sure the default handler doesn't get it
}
}
return TRUE;
}
bool GetReadOnly()
{
CHECK(Handle());
return (GetWindowLong( *this, GWL_STYLE )&ES_READONLY)!=0;
}
void SetReadOnly( bool readOnly )
{
CHECK(Handle());
SendMessage( *this, EM_SETREADONLY, readOnly, 0 );
}
int GetLineCount()
{
CHECK(Handle());
return SendMessage( *this, EM_GETLINECOUNT, 0, 0 );
}
int GetLineIndex( int line )
{
CHECK(Handle());
return SendMessage( *this, EM_LINEINDEX, line, 0 );
}
void GetSelection( int& start, int& end )
{
CHECK(Handle());
SendMessage( *this, EM_GETSEL, (WPARAM)&start, (LPARAM)&end );
}
void SetSelection( int start, int end )
{
CHECK(Handle());
SendMessage( *this, EM_SETSEL, start, end );
}
void SetSelectedText( const wchar_t * text )
{
CHECK(Handle());
SendMessage( *this, EM_REPLACESEL, 1, (LPARAM)text );
}
void SetLimitText( int maxChars )
{
CHECK(Handle());
SendMessage( *this, EM_SETLIMITTEXT, maxChars, 0 );
}
bool GetModify()
{
return SendMessage( *this, EM_GETMODIFY, 0, 0 )!=0;
}
void SetModify( bool modified )
{
SendMessage( *this, EM_SETMODIFY, modified, 0 );
}
void ScrollCaret()
{
SendMessage( *this, EM_SCROLLCARET, 0, 0 );
}
};
#endif // plEdit_h_inc