File content as of revision 0:1bf8f02b0770:

/*********************************************************************
*                SEGGER Microcontroller GmbH & Co. KG                *
*        Solutions for real time microcontroller applications        *
**********************************************************************
*                                                                    *
*        (c) 1996 - 2014  SEGGER Microcontroller GmbH & Co. KG       *
*                                                                    *
*        Internet: www.segger.com    Support:  support@segger.com    *
*                                                                    *
**********************************************************************

** emWin V5.24 - Graphical user interface for embedded applications **
All  Intellectual Property rights  in the Software belongs to  SEGGER.
emWin is protected by  international copyright laws.  Knowledge of the
source code may not be used to write a similar product.  This file may
only be used in accordance with the following terms:

The software has been licensed to  NXP Semiconductors USA, Inc.  whose
registered  office  is  situated  at 411 E. Plumeria Drive, San  Jose,
CA 95134, USA  solely for  the  purposes  of  creating  libraries  for
NXPs M0, M3/M4 and  ARM7/9 processor-based  devices,  sublicensed  and
distributed under the terms and conditions of the NXP End User License
Agreement.
Full source code is available at: www.segger.com

We appreciate your understanding and fairness.
----------------------------------------------------------------------
File        : WIDGET.h
Purpose     : Widget interface
---------------------------END-OF-HEADER------------------------------
*/

#ifndef WIDGET_H        /* Avoid multiple inclusion  */
#define WIDGET_H

#if defined(__cplusplus)
extern "C" {     /* Make sure we have C-declarations in C++ programs */
#endif

#include "WM_Intern.h"  /* Window manager, including some internals, which speed things up */

#if GUI_WINSUPPORT

/*********************************************************************
*
*       Typedefs
*
**********************************************************************
*/
typedef struct {
  WM_HWIN    hWin;
  int        Cmd;         /* WIDGET_ITEM_GET_XSIZE, WIDGET_ITEM_GET_YSIZE, WIDGET_ITEM_DRAW, */
  int        ItemIndex;
  int        Col;
  int        x0, y0, x1, y1;
  void     * p;
} WIDGET_ITEM_DRAW_INFO;

typedef int  WIDGET_DRAW_ITEM_FUNC(const WIDGET_ITEM_DRAW_INFO * pDrawItemInfo);
typedef void WIDGET_PAINT         (WM_HWIN hObj);
typedef void WIDGET_CREATE        (WM_HWIN hObj);

typedef struct {
  WIDGET_PAINT  * pfPaint;
  WIDGET_CREATE * pfCreate;
  void          * pSkinPrivate;
} WIDGET_SKIN;

/*********************************************************************
*
*       Important: WIDGET_DRAW_ITEM_FUNC needs to be defined
*                  in SCROLLBAR.h!
*
**********************************************************************
*/
#include "SCROLLBAR.h"

/*********************************************************************
*
*       Defines
*
**********************************************************************
*/
/*********************************************************************
*
*       Unique widget id's
*/
#define BUTTON_ID    0x42555454UL /* BUTT */
#define CHECKBOX_ID  0x43484543UL /* CHEC */
#define DROPDOWN_ID  0x44524f50UL /* DROP */
#define EDIT_ID      0x45444954UL /* EDIT */
#define FRAMEWIN_ID  0x4652414dUL /* FRAM */
#define GRAPH_ID     0x47524150UL /* GRAP */
#define HEADER_ID    0x48454144UL /* HEAD */
#define LISTBOX_ID   0x4C495342UL /* LISB */
#define LISTVIEW_ID  0x4C495356UL /* LISV */
#define LISTWHEEL_ID 0x4C495357UL /* LISW */
#define MENU_ID      0x4d454e55UL /* MENU */
#define MULTIEDIT_ID 0x4d554c45UL /* MULE */
#define MULTIPAGE_ID 0x4d554c50UL /* MULP */
#define PROGBAR_ID   0x50524f47UL /* PROG */
#define RADIO_ID     0x52414449UL /* RADI */
#define SCROLLBAR_ID 0x5343524fUL /* SCRO */
#define SLIDER_ID    0x534c4944UL /* SLID */
#define TEXT_ID      0x54455854UL /* TEXT */
#define TREEVIEW_ID  0x54524545UL /* TREE */
#define ICONVIEW_ID  0x49434f4eUL /* ICON */
#define IMAGE_ID     0x494d4147UL /* IMAG */
#define SPINBOX_ID   0x5350494eUL /* SPIN */
#define KNOB_ID      0x4b4e4f42UL /* KNOB */

#define WIDGET_LOCK(hWin)       ((WIDGET*)GUI_LOCK_H(hWin))

/*********************************************************************
*
*       Config switches
*/

#ifndef   WIDGET_USE_PARENT_EFFECT
  #define WIDGET_USE_PARENT_EFFECT 0
#endif
#ifndef   WIDGET_USE_FLEX_SKIN
  #define WIDGET_USE_FLEX_SKIN     0
#endif
#if !defined(WIDGET_USE_SCHEME_SMALL) && !defined(WIDGET_USE_SCHEME_MEDIUM) && !defined(WIDGET_USE_SCHEME_LARGE)
  #define WIDGET_USE_SCHEME_SMALL  1
  #define WIDGET_USE_SCHEME_MEDIUM 0
  #define WIDGET_USE_SCHEME_LARGE  0
#endif
#ifndef   WIDGET_USE_SCHEME_SMALL
  #define WIDGET_USE_SCHEME_SMALL  0
#endif
#ifndef   WIDGET_USE_SCHEME_MEDIUM
  #define WIDGET_USE_SCHEME_MEDIUM 0
#endif
#ifndef   WIDGET_USE_SCHEME_LARGE
  #define WIDGET_USE_SCHEME_LARGE  0
#endif
#if (WIDGET_USE_SCHEME_SMALL + WIDGET_USE_SCHEME_MEDIUM + WIDGET_USE_SCHEME_LARGE) > 1
  #error Only one scheme can be selected!
#endif

/*********************************************************************
*
*       States
*/

#define WIDGET_STATE_FOCUS              (1 << 0)
#define WIDGET_STATE_VERTICAL           (1 << 3)
#define WIDGET_STATE_FOCUSSABLE         (1 << 4)

#define WIDGET_STATE_USER0              (1 << 8)    /* Freely available for derived widget */
#define WIDGET_STATE_USER1              (1 << 9)    /* Freely available for derived widget */
#define WIDGET_STATE_USER2              (1 << 10)   /* Freely available for derived widget */

/*********************************************************************
*
*       Skinning message identifiers
*/
#define WIDGET_ITEM_CREATE              0
#define WIDGET_ITEM_DRAW                1
#define WIDGET_ITEM_DRAW_ARROW          2
#define WIDGET_ITEM_DRAW_ARROW_L        3
#define WIDGET_ITEM_DRAW_ARROW_R        4
#define WIDGET_ITEM_DRAW_BACKGROUND     5
#define WIDGET_ITEM_DRAW_BITMAP         6
#define WIDGET_ITEM_DRAW_BUTTON         7
#define WIDGET_ITEM_DRAW_BUTTON_L       8
#define WIDGET_ITEM_DRAW_BUTTON_R       9
#define WIDGET_ITEM_DRAW_FOCUS         10
#define WIDGET_ITEM_DRAW_FRAME         11
#define WIDGET_ITEM_DRAW_OVERLAP       12
#define WIDGET_ITEM_DRAW_OVERLAY       13
#define WIDGET_ITEM_DRAW_SEP           14
#define WIDGET_ITEM_DRAW_SHAFT         15
#define WIDGET_ITEM_DRAW_SHAFT_L       16
#define WIDGET_ITEM_DRAW_SHAFT_R       17
#define WIDGET_ITEM_DRAW_TEXT          18
#define WIDGET_ITEM_DRAW_THUMB         19
#define WIDGET_ITEM_DRAW_TICKS         20
#define WIDGET_ITEM_GET_BORDERSIZE_B   21
#define WIDGET_ITEM_GET_BORDERSIZE_L   22
#define WIDGET_ITEM_GET_BORDERSIZE_R   23
#define WIDGET_ITEM_GET_BORDERSIZE_T   24
#define WIDGET_ITEM_GET_BUTTONSIZE     25
#define WIDGET_ITEM_GET_XSIZE          26
#define WIDGET_ITEM_GET_YSIZE          27
#define WIDGET_ITEM_GET_RADIUS         28
#define WIDGET_ITEM_APPLY_PROPS        29  // Not to be documented. Use this message identifier to update the
                                           // properties of attached widgets from <WIDGET>_DrawSkinFlex().

#define WIDGET_DRAW_OVERLAY    WIDGET_ITEM_DRAW_OVERLAY   
#define WIDGET_DRAW_BACKGROUND WIDGET_ITEM_DRAW_BACKGROUND

/*********************************************************************
*
*       Messages
*/

#define WM_WIDGET_SET_EFFECT    (WM_WIDGET + 0)

/*********************************************************************
*
*       Create flags
*/

#define WIDGET_CF_VERTICAL      WIDGET_STATE_VERTICAL

/*********************************************************************
*
*        Widget object
*
* The widget object is the base class for most widgets
*/
typedef struct {
  int EffectSize;
  void (* pfDrawUp)      (void);
  void (* pfDrawUpRect)  (const GUI_RECT * pRect);
  void (* pfDrawDown)    (void);
  void (* pfDrawDownRect)(const GUI_RECT * pRect);
  void (* pfDrawFlat)    (void);
  void (* pfDrawFlatRect)(const GUI_RECT * pRect);
} WIDGET_EFFECT;

typedef struct {
  WM_Obj      Win;
  const WIDGET_EFFECT* pEffect;
  I16 Id;
  U16 State;
} WIDGET;


/*********************************************************************
*
*         GUI_DRAW
*
* The GUI_DRAW object is used as base class for selfdrawing,
* non-windows objects. They are used as content of different widgets,
* such as the bitmap or header widgets.
*/
/* Declare Object struct */
typedef struct GUI_DRAW GUI_DRAW;
typedef void   GUI_DRAW_SELF_CB (WM_HWIN hWin);
typedef WM_HMEM GUI_DRAW_HANDLE;

/* Declare Object constants (member functions etc)  */
typedef struct {
  void (* pfDraw)    (GUI_DRAW_HANDLE hDrawObj, WM_HWIN hObj, int x, int y);
  int  (* pfGetXSize)(GUI_DRAW_HANDLE hDrawObj);
  int  (* pfGetYSize)(GUI_DRAW_HANDLE hDrawObj);
} GUI_DRAW_CONSTS;

/* Declare Object */
struct GUI_DRAW {
  const GUI_DRAW_CONSTS* pConsts;
  union {
    const void * pData;
    GUI_DRAW_SELF_CB* pfDraw;
  } Data;
  I16 xOff, yOff;
};

/* GUI_DRAW_ API */
void GUI_DRAW__Draw    (GUI_DRAW_HANDLE hDrawObj, WM_HWIN hObj, int x, int y);
int  GUI_DRAW__GetXSize(GUI_DRAW_HANDLE hDrawObj);
int  GUI_DRAW__GetYSize(GUI_DRAW_HANDLE hDrawObj);

/* GUI_DRAW_ Constructurs for different objects */
WM_HMEM GUI_DRAW_BITMAP_Create  (const GUI_BITMAP* pBitmap, int x, int y);
WM_HMEM GUI_DRAW_BMP_Create     (const void* pBMP, int x, int y);
WM_HMEM GUI_DRAW_STREAMED_Create(const GUI_BITMAP_STREAM * pBitmap, int x, int y);
WM_HMEM GUI_DRAW_SELF_Create(GUI_DRAW_SELF_CB* pfDraw, int x, int y);

/*********************************************************************
*
*       Global data
*
**********************************************************************
*/

extern const WIDGET_EFFECT WIDGET_Effect_3D;
extern const WIDGET_EFFECT WIDGET_Effect_3D1L;
extern const WIDGET_EFFECT WIDGET_Effect_3D2L;
extern const WIDGET_EFFECT WIDGET_Effect_None;
extern const WIDGET_EFFECT WIDGET_Effect_Simple;

/*********************************************************************
*
*       Internal API routines
*
**********************************************************************
*/

void      WIDGET__DrawFocusRect      (WIDGET * pWidget, const GUI_RECT * pRect, int Dist);
void      WIDGET__DrawHLine          (WIDGET * pWidget, int y, int x0, int x1);
void      WIDGET__DrawTriangle       (WIDGET * pWidget, int x, int y, int Size, int Inc);
void      WIDGET__DrawVLine          (WIDGET * pWidget, int x, int y0, int y1);
void      WIDGET__EFFECT_DrawDownRect(WIDGET * pWidget, GUI_RECT * pRect);
void      WIDGET__EFFECT_DrawDown    (WIDGET * pWidget);
void      WIDGET__EFFECT_DrawUpRect  (WIDGET * pWidget, GUI_RECT * pRect);
void      WIDGET__FillRectEx         (WIDGET * pWidget, const GUI_RECT * pRect);
int       WIDGET__GetWindowSizeX     (WM_HWIN hWin);
GUI_COLOR WIDGET__GetBkColor         (WM_HWIN hObj);
int       WIDGET__GetXSize           (const WIDGET * pWidget);
int       WIDGET__GetYSize           (const WIDGET * pWidget);
void      WIDGET__GetClientRect      (WIDGET * pWidget, GUI_RECT * pRect);
void      WIDGET__GetInsideRect      (WIDGET * pWidget, GUI_RECT * pRect);
void      WIDGET__Init               (WIDGET * pWidget, int Id, U16 State);
void      WIDGET__RotateRect90       (WIDGET * pWidget, GUI_RECT * pDest, const GUI_RECT * pRect);
void      WIDGET__SetScrollState     (WM_HWIN hWin, const WM_SCROLL_STATE * pVState, const WM_SCROLL_STATE * pState);
void      WIDGET__FillStringInRect   (const char * pText, const GUI_RECT * pFillRect, const GUI_RECT * pTextRectMax, const GUI_RECT * pTextRectAct);

/*********************************************************************
*
*       API routines
*
**********************************************************************
*/
void  WIDGET_SetState     (WM_HWIN hObj, int State);
void  WIDGET_AndState     (WM_HWIN hObj, int State);
void  WIDGET_OrState      (WM_HWIN hObj, int State);
int   WIDGET_HandleActive (WM_HWIN hObj, WM_MESSAGE* pMsg);
int   WIDGET_GetState     (WM_HWIN hObj);
int   WIDGET_SetWidth     (WM_HWIN hObj, int Width);

void  WIDGET_EFFECT_3D_DrawUp(void);

const WIDGET_EFFECT* WIDGET_SetDefaultEffect(const WIDGET_EFFECT* pEffect);

void  WIDGET_SetEffect              (WM_HWIN hObj, const WIDGET_EFFECT* pEffect);

const WIDGET_EFFECT* WIDGET_GetDefaultEffect(void);

void WIDGET_EFFECT_3D_SetColor    (unsigned Index, GUI_COLOR Color);
void WIDGET_EFFECT_3D1L_SetColor  (unsigned Index, GUI_COLOR Color);
void WIDGET_EFFECT_3D2L_SetColor  (unsigned Index, GUI_COLOR Color);
void WIDGET_EFFECT_Simple_SetColor(unsigned Index, GUI_COLOR Color);

GUI_COLOR WIDGET_EFFECT_3D_GetColor    (unsigned Index);
GUI_COLOR WIDGET_EFFECT_3D1L_GetColor  (unsigned Index);
GUI_COLOR WIDGET_EFFECT_3D2L_GetColor  (unsigned Index);
GUI_COLOR WIDGET_EFFECT_Simple_GetColor(unsigned Index);

int WIDGET_EFFECT_3D_GetNumColors(void);
int WIDGET_EFFECT_3D1L_GetNumColors(void);
int WIDGET_EFFECT_3D2L_GetNumColors(void);
int WIDGET_EFFECT_Simple_GetNumColors(void);

/*********************************************************************
*
*       Compatibility macros
*
**********************************************************************
*/
#define WIDGET_SetDefaultEffect_3D()     WIDGET_SetDefaultEffect(&WIDGET_Effect_3D)
#define WIDGET_SetDefaultEffect_3D1L()   WIDGET_SetDefaultEffect(&WIDGET_Effect_3D1L)
#define WIDGET_SetDefaultEffect_3D2L()   WIDGET_SetDefaultEffect(&WIDGET_Effect_3D2L)
#define WIDGET_SetDefaultEffect_None()   WIDGET_SetDefaultEffect(&WIDGET_Effect_None)
#define WIDGET_SetDefaultEffect_Simple() WIDGET_SetDefaultEffect(&WIDGET_Effect_Simple)

#endif /* GUI_WINSUPPORT */

#if defined(__cplusplus)
  }
#endif

#endif   /* SLIDER_H */