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Wednesday the 23rd of May 2012 @ 10:28am
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LibN2L


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(n2l5)


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(libN2L-4)


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LibN2L-4 Library Code Reference

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gui

cGuiTextInput.h

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00001 /************************************************************************
00002 Nova-2 Library (libN2L, or simply n2l) Game development C++ Library
00003 Copyright (C) 2002  Aaron Cameron
00004 
00005 This library is free software; you can redistribute it and/or
00006 modify it under the terms of the GNU Lesser General Public
00007 License as published by the Free Software Foundation; either
00008 version 2.1 of the License, or (at your option) any later version.
00009 
00010 This library is distributed in the hope that it will be useful,
00011 but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013 Lesser General Public License for more details.
00014 
00015 You should have received a copy of the GNU Lesser General Public
00016 License along with this library; if not, write to the Free Software
00017 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
00018 
00019 A copy of the GNU Lesser General Public License has been provided with
00020 this library in the file 'COPYING'.
00021 
00022 Contact information for the author of this library has been provided
00023 with this library in the file 'AUTHOR'.
00024 ************************************************************************/
00025 #ifndef _n2l4_cGuiTextInput_H
00026 #define _n2l4_cGuiTextInput_H
00027 
00028 #include "n2l/n2l.h"
00029 
00030 #include "gui/cGuiInteractive.h"
00031 #include "gui/cGuiTextStyle.h"
00032 #include "gui/cGuiFill.h"
00033 #include "gui/types.h"
00034 
00035 /******************************************************************************/
00036 namespace n2l
00037 {
00038     class cVfsNodeInterface;
00039     class cDynVar;
00040     class cAudioChunk;
00041     class cGLTexture;
00042     class cFontInterface;
00043 
00046     class cGuiTextInput : public cGuiInteractive
00047     {
00048     public:
00049         typedef tString tValue;
00050 
00051         typedef const tBool (*tValValFunc)( const tValue &iVal );
00052 
00053         typedef enum {
00054             State_Normal,
00055             State_Focused,
00056 
00057             State_NumStates
00058         } tState;
00059 
00060         typedef enum {
00061             Prop_Background,
00062             Prop_Text,
00063             Prop_Cursor,
00064             
00065             Prop_NumProps
00066         } tProp;
00067 
00068         cGuiTextInput();
00069         cGuiTextInput( const cVfsNodeInterface & iNode );
00070         cGuiTextInput( const cDynVar & iDefinition );
00071 
00072         virtual ~cGuiTextInput();
00073 
00074         virtual void load( const cVfsNodeInterface & iNode );
00075         virtual void load( const cDynVar & iDefinition );
00076 
00077         virtual void fill( const tState &iState, const tProp &iProp,
00078             const cGuiFill &iFill );
00079 
00080         virtual void textStyle( const tState &iState, 
00081             const cGuiTextStyle &iStyle );
00082 
00083         virtual void draw() const;
00084 
00085         virtual void valValFunc( const tValValFunc &iFunc );
00086 
00087         virtual void value( const tValue & iValue );
00088         virtual const tValue & value() const;
00089 
00090         virtual const tBool wantsFocus() const;
00091 
00092         virtual const cAutoPtr<cGuiElement> clone() const;
00093 
00094     protected:
00095         void dimensionChanged();
00096 
00097         virtual void cloneInto(
00098             const cAutoPtr<cGuiTextInput> &i_ioElement ) const;
00099 
00100     private:
00101 
00102         tValue mValue;
00103         tUint mCursor;
00104 
00105         tUint mFirstCharIndex;
00106         tUint mEndCharIndex;
00107 
00108         tValValFunc mValValFunc;
00109 
00110         cGuiTextStyle mTextStyle[State_NumStates];
00111         cGuiFill mFill[State_NumStates][Prop_NumProps];
00112 
00113 #       ifdef N2L_PASSIVE_GUI_REG
00114             static tBool smRegistered;
00115 #       endif
00116 
00117         void init();
00118 
00119         virtual void processKey( const tKey &iKey, const tKeyMods &iMods );
00120 
00121         void calculatePropPositions();
00122 
00123         static void focusChangeCallback( cGuiElement * const i_ioElement,
00124             const tGuiActionType iType, const tActionData & iData );
00125 
00126         static void clickedCallback( cGuiElement * const i_ioElement,
00127             const tGuiActionType iType, const tActionData & iData );
00128 
00129         static void keystrokeCallback( cGuiElement * const i_ioElement,
00130             const tGuiActionType iType, const tActionData & iData );
00131 
00132         void boundCheckState( const tState &iState,
00133             const tString &iFrom );
00134         void boundCheckProp( const tProp &iProp,
00135             const tString &iFrom );
00136 
00137     }; // class
00138 
00139 } // namespace n2l
00140 
00141 #endif
©2012 Aaron Cameron