/*********************************************************************
*                SEGGER Microcontroller GmbH & Co. KG                *
*        Solutions for real time microcontroller applications        *
**********************************************************************
*                                                                    *
*        (c) 1996 - 2015  SEGGER Microcontroller GmbH & Co. KG       *
*                                                                    *
*        Internet: www.segger.com    Support:  support@segger.com    *
*                                                                    *
**********************************************************************

** emWin V5.30 - 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.
----------------------------------------------------------------------
Licensing information

Licensor:                 SEGGER Microcontroller Systems LLC
Licensed to:              NXP Semiconductors
Licensed SEGGER software: emWin
License number:           GUI-00186
License model:            emWin License Agreement, dated August 20th 2011
Licensed product:         -
Licensed platform:        NXP's ARM 7/9, Cortex-M0,M3,M4
Licensed number of seats: -
----------------------------------------------------------------------
File        : WM.h
Purpose     : Windows manager include
----------------------------------------------------------------------
*/

#ifndef WM_H            /* Make sure we only include it once */
#define WM_H


#include "GUI_ConfDefaults.h"
#include "GUI_Type.h"      /* Needed because of typedefs only */
#include "WM_GUI.h"       /* Some functions needed by GUI routines */
#include "GUI.h"

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

/* Static memory devices */
#ifndef   WM_SUPPORT_STATIC_MEMDEV
  #define WM_SUPPORT_STATIC_MEMDEV GUI_SUPPORT_MEMDEV
#endif

/* Support for transparency. Switching it off makes Wm smaller and faster */
#ifndef   WM_SUPPORT_TRANSPARENCY
  #define WM_SUPPORT_TRANSPARENCY 1 /* Should be defined outside of GUI_WINSUPPORT because of '#if GUI_WINSUPPORT && WM_SUPPORT_TRANSPARENCY' in some files */
#endif

/* This is for tests only. It will fill the invalid area of a window.
   Can be used for debugging. */
#ifndef WM_SUPPORT_DIAG
  #ifdef WIN32   /* In simulation */
    #define WM_SUPPORT_DIAG GUI_WINSUPPORT
  #else
    #define WM_SUPPORT_DIAG 0
  #endif
#endif

/* Make sure we actually have configured windows. If we have not,
  there is no point for a windows manager and it will therefor not
  generate any code !
*/

#if GUI_WINSUPPORT

/*********************************************************************
*
*       Config defaults
*/
#ifndef   WM_ASSERT
  #define WM_ASSERT(expr) GUI_DEBUG_ASSERT(expr)
#endif

#ifndef   WM_SUPPORT_TOUCH
  #define WM_SUPPORT_TOUCH        GUI_SUPPORT_TOUCH
#endif

/* Allow older API calls */
#ifndef   WM_COMPATIBLE_MODE
  #define WM_COMPATIBLE_MODE 1
#endif

/* Send a message if visibility of a window has changed */
#ifndef   WM_SUPPORT_NOTIFY_VIS_CHANGED
  #define WM_SUPPORT_NOTIFY_VIS_CHANGED 0
#endif

#ifndef   WM_SUPPORT_CPP
  #if defined (_MSC_VER)
    #define WM_SUPPORT_CPP 1
  #else
    #define WM_SUPPORT_CPP 0
  #endif
#endif

/*********************************************************************
*
*       Locking macros
*/
#define WM_LOCK()   GUI_LOCK()
#define WM_UNLOCK() GUI_UNLOCK()

#define WM_LOCK_H(hWin) (WM_Obj *)GUI_LOCK_H(hWin)

/*********************************************************************
*
*       Data types
*/
typedef struct WM_WINDOW_INFO WM_WINDOW_INFO;

struct WM_WINDOW_INFO {
  GUI_HMEM hWin;
  GUI_HMEM hParent;
  GUI_HMEM hFirstChild;
  GUI_HMEM hNext;
  GUI_RECT Rect;
  U32      Status;
  U32      DebugId;
  WM_WINDOW_INFO * pNext;
};

typedef struct {
  int Key, PressedCnt;
} WM_KEY_INFO;

typedef struct {
  int NumItems, v, PageSize;
} WM_SCROLL_STATE;

typedef struct {
  int Done;
  int ReturnValue;
} WM_DIALOG_STATUS;

typedef struct {
  int x,y;
  U8  State;
  U8  StatePrev;
} WM_PID_STATE_CHANGED_INFO;

typedef struct {
  int Cmd;
  int dx, dy, da;
  int xPos, yPos;
  int Period;
  int SnapX;
  int SnapY;
  int FinalMove;
  U32 Flags;
  GUI_PID_STATE * pState;
  GUI_HMEM hContext;
} WM_MOTION_INFO;

typedef struct {
  I32       FactorMin;   // Minimum factor to be used (<< 16)
  I32       FactorMax;   // Maximum factor to be used (<< 16)
  U32       xSize;       // Native xSize of window to be zoomed in pixels
  U32       ySize;       // Native ySize of window to be zoomed in pixels
  U32       xSizeParent; // xSize of parent window
  U32       ySizeParent; // ySize of parent window
  I32       Factor0;     // Primary factor when starting zoom gesture (<< 16)
  int       xPos0;       // Primary window position in x when starting the gesture
  int       yPos0;       // Primary window position in y when starting the gesture
  GUI_POINT Center0;     // Primary center point when starting the gesture
} WM_ZOOM_INFO;

typedef struct {
  int            Flags;     // Information regarding gesture type
  GUI_POINT      Point;     // Relative movement
  GUI_POINT      Center;    // Center point for zooming
  I32            Angle;     // Angle between the touch points
  I32            Factor;    // Current zoom factor
  WM_ZOOM_INFO * pZoomInfo; // Pointer to WM_ZOOM_INFO structure
} WM_GESTURE_INFO;

typedef struct {
  int dx, dy;
} WM_MOVE_INFO;

/*********************************************************************
*
*       Gesture flags for multi touch support
*/
#define WM_GF_BEGIN  (1 << 0)
#define WM_GF_END    (1 << 1)
#define WM_GF_PAN    (1 << 2)
#define WM_GF_ZOOM   (1 << 3)
#define WM_GF_ROTATE (1 << 4)

/*********************************************************************
*
*       Messages Ids
*
* The following is the list of windows messages.
*/
#define WM_CREATE                   0x0001  /* The first message received, right after client has actually been created */
#define WM_MOVE                     0x0003  /* window has been moved (Same as WIN32) */

#define WM_SIZE                     0x0005  /* Is sent to a window after its size has changed (Same as WIN32, do not change !) */

#define WM_DELETE                   11      /* Delete (Destroy) command: This tells the client to free its data strutures since the window
                                               it is associates with no longer exists.*/
#define WM_TOUCH                    0x0240  /* Touch screen message */
#define WM_TOUCH_CHILD              13      /* Touch screen message to ancestors */
#define WM_KEY                      14      /* Key has been pressed */

#define WM_PAINT                    0x000F  /* Repaint window (because content is (partially) invalid */

#if GUI_SUPPORT_MOUSE
#define WM_MOUSEOVER                16      /* Mouse has moved, no key pressed */
#define WM_MOUSEOVER_END            18      /* Mouse has moved, no key pressed */
#endif

#define WM_PID_STATE_CHANGED        17      /* Pointer input device state has changed */

#define WM_GET_INSIDE_RECT          20      /* get inside rectangle: client rectangle minus pixels lost to effect */
#define WM_GET_ID                   21      /* Get id of widget */
#define WM_SET_ID                   22      /* Set id of widget */
#define WM_GET_CLIENT_WINDOW        23      /* Get window handle of client window. Default is the same as window */
#define WM_CAPTURE_RELEASED         24      /* Let window know that mouse capture is over */

#define WM_INIT_DIALOG              29      /* Inform dialog that it is ready for init */

#define WM_SET_FOCUS                30      /* Inform window that it has gotten or lost the focus */
#define WM_GET_ACCEPT_FOCUS         31      /* Find out if window can accept the focus */
#define WM_NOTIFY_CHILD_HAS_FOCUS   32      /* Sent to parent when child receives / loses focus */

#define WM_NOTIFY_OWNER_KEY         33      /* Some widgets (e.g. listbox) notify owner when receiving key messages */

#define WM_GET_BKCOLOR              34      /* Return back ground color (only frame window and similar) */
#define WM_GET_SCROLL_STATE         35      /* Query state of scroll bar */

#define WM_SET_SCROLL_STATE         36      /* Set scroll info ... only effective for scrollbars */

#define WM_NOTIFY_CLIENTCHANGE      37      /* Client area may have changed */
#define WM_NOTIFY_PARENT            38      /* Notify parent. Information is detailed as notification code */
#define WM_NOTIFY_PARENT_REFLECTION 39      /* Notify parent reflection. 
                                               Sometimes send back as a result of the WM_NOTIFY_PARENT message
                                               to let child react on behalf of its parent.
                                               Information is detailed as notification code */
#define WM_NOTIFY_ENABLE            40      /* Enable or disable widget */
#define WM_NOTIFY_VIS_CHANGED       41      /* Visibility of a window has or may have changed */

#define WM_HANDLE_DIALOG_STATUS     42      /* Set or get dialog status */
#define WM_GET_RADIOGROUP           43      /* Send to all siblings and children of a radio control when
                                               selection changed */
#define WM_MENU                     44      /* Send to owner window of menu widget */
#define WM_SCREENSIZE_CHANGED       45      /* Send to all windows when size of screen has changed */
#define WM_PRE_PAINT                46      /* Send to a window before it receives a WM_PAINT message */
#define WM_POST_PAINT               47      /* Send to a window after (the last) WM_PAINT message */

#define WM_MOTION                   48      /* Automatic motion messages */

#define WM_GET_WINDOW_ID            49      /* Return widget type specific Id (DebugId) */

#define WM_PRE_BANDING              50
#define WM_POST_BANDING             51

#define WM_GESTURE                  0x0119  /* Gesture message */

#define WM_TIMER                    0x0113  /* Timer has expired              (Keep the same as WIN32) */
#define WM_WIDGET                   0x0300  /* 256 messages reserved for Widget messages */
#define WM_USER                     0x0400  /* Reserved for user messages ... (Keep the same as WIN32) */

/*********************************************************************
*
*       Motion messages
*/
#define WM_MOTION_INIT    0
#define WM_MOTION_MOVE    1
#define WM_MOTION_GETPOS  2
#define WM_MOTION_GETCONTEXT 3

/*********************************************************************
*
*       Motion flags
*/
#define WM_MOTION_MANAGE_BY_WINDOW   (1 << 0) // Window movement is managed by window itself

/*********************************************************************
*
*       Notification codes
*
* The following is the list of notification codes send
* with the WM_NOTIFY_PARENT message
*/
#define WM_NOTIFICATION_CLICKED             1
#define WM_NOTIFICATION_RELEASED            2
#define WM_NOTIFICATION_MOVED_OUT           3
#define WM_NOTIFICATION_SEL_CHANGED         4
#define WM_NOTIFICATION_VALUE_CHANGED       5
#define WM_NOTIFICATION_SCROLLBAR_ADDED     6      /* Scroller added */
#define WM_NOTIFICATION_CHILD_DELETED       7      /* Inform window that child is about to be deleted */
#define WM_NOTIFICATION_GOT_FOCUS           8
#define WM_NOTIFICATION_LOST_FOCUS          9
#define WM_NOTIFICATION_SCROLL_CHANGED     10

#define WM_NOTIFICATION_WIDGET             11      /* Space for widget defined notifications */
#define WM_NOTIFICATION_USER               16      /* Space for  application (user) defined notifications */

/*********************************************************************
*
*       Memory management
*/
#define WM_HWIN        GUI_HWIN
#define WM_HWIN_NULL   GUI_HMEM_NULL
#define WM_HMEM        GUI_HMEM
#define WM_HMEM_NULL   GUI_HMEM_NULL
#define WM_HTIMER      GUI_HMEM

/*********************************************************************
*
*       Window defines
*/
#define WM_HBKWIN      WM_GetDesktopWindow()                /* Handle of background window */
#define WM_UNATTACHED  ((WM_HMEM) - 1)                      /* Do not attach to a window */

/*********************************************************************
*
*       Window create flags.
*
* These flags can be passed to the create window
* function as flag-parameter. The flags are combinable using the
* binary or operator.
*/
#define WM_CF_HASTRANS         (1UL << 0)  /* Has transparency. Needs to be defined for windows which do not fill the entire
                                          section of their (client) rectangle. */
#define WM_CF_HIDE             (0UL << 1)  /* Hide window after creation (default !) */
#define WM_CF_SHOW             (1UL << 1)  /* Show window after creation */
#define WM_CF_MEMDEV           (1UL << 2)  /* Use memory device for redraws */
#define WM_CF_STAYONTOP        (1UL << 3)  /* Stay on top */
#define WM_CF_DISABLED         (1UL << 4)  /* Disabled: Does not receive PID (mouse & touch) input */

/* Create only flags ... Not available as status flags */
#define WM_CF_ACTIVATE         (1UL << 5)  /* If automatic activation upon creation of window is desired */
#define WM_CF_FGND             (0UL << 6)  /* Put window in foreground after creation (default !) */
#define WM_CF_BGND             (1UL << 6)  /* Put window in background after creation */

/* Anchor flags */
#define WM_CF_ANCHOR_RIGHT     (1UL << 7)  /* Right anchor ...  If parent is resized, distance to right  will remain const (left is default) */
#define WM_CF_ANCHOR_BOTTOM    (1UL << 8)  /* Bottom anchor ... If parent is resized, distance to bottom will remain const (top  is default) */
#define WM_CF_ANCHOR_LEFT      (1UL << 9)  /* Left anchor ...   If parent is resized, distance to left   will remain const (left is default) */
#define WM_CF_ANCHOR_TOP       (1UL << 10) /* Top anchor ...    If parent is resized, distance to top    will remain const (top  is default) */

#define WM_CF_CONST_OUTLINE    (1UL << 11) /* Constant outline. This is relevant for transparent windows only. If a window is transparent
                                              and does not have a constant outline, its background is invalided instead of the window itself.
                                              This causes add. computation time when redrawing. */
#define WM_CF_LATE_CLIP        (1UL << 12)
#define WM_CF_MEMDEV_ON_REDRAW (1UL << 13)

#define WM_SF_INVALID_DRAW     (1UL << 14)
#define WM_SF_DELETE           (1UL << 15) /* Marks the window to be deleted within WM_Exec() when no callback routine is executed */

#define WM_CF_STATIC           (1UL << 16) /* Use static memory device for redraws */

#define WM_CF_MOTION_X         (1UL << 17) /* Window can be moved automatically in X axis */
#define WM_CF_MOTION_Y         (1UL << 18) /* Window can be moved automatically in Y axis */

#define WM_CF_GESTURE          (1UL << 19) /* Marks the window to be a able to receive gesture messages */

#define WM_CF_ZOOM             (1UL << 20) /* Window can be scaled automatically by multi touch gesture input */

#define WM_CF_MOTION_R         (1UL << 21) // Window can be rotated

/*********************************************************************
*
*       Window manager types
*/
typedef struct WM_Obj     WM_Obj;
typedef struct WM_MESSAGE WM_MESSAGE;

typedef void WM_CALLBACK( WM_MESSAGE * pMsg);

struct WM_MESSAGE {
  int MsgId;            /* type of message */
  WM_HWIN hWin;         /* Destination window */
  WM_HWIN hWinSrc;      /* Source window  */
  union {
    const void * p;            /* Some messages need more info ... Pointer is declared "const" because some systems (M16C) have 4 byte const, byte 2 byte default ptrs */
    int v;
    GUI_COLOR Color;
  } Data;
};

struct WM_Obj {
  GUI_RECT Rect;        /* Outer dimensions of window */
  GUI_RECT InvalidRect; /* Invalid rectangle */
  WM_CALLBACK* cb;      /* Ptr to notification callback */
  WM_HWIN hNextLin;     /* Next window in linear list */
  WM_HWIN hParent;
  WM_HWIN hFirstChild;
  WM_HWIN hNext;
  #if WM_SUPPORT_STATIC_MEMDEV
    GUI_MEMDEV_Handle hMem; /* Static memory device */
  #endif
  U32 Status;           /* Status flags */
  #if WM_SUPPORT_CPP
    void * ObjPtr;
  #endif
};

typedef void WM_tfPollPID(void);
typedef void WM_tfForEach(WM_HWIN hWin, void * pData);

typedef void (* WM_tfInvalidateParent)  (const GUI_RECT * pInvalidRect, WM_HWIN hParent, WM_HWIN hStop);
typedef void (* WM_tfInvalidateDrawFunc)(WM_HWIN hWin);
typedef void (* WM_tfPaint1Func)        (WM_HWIN hWin);

typedef struct {
  WM_HMEM  hTimer;
  WM_HWIN  hWin;
  int      UserId;
} WM_TIMER_OBJ;

/*********************************************************************
*
*       General control routines
*/
void WM_Activate  (void);
void WM_Deactivate(void);
void WM_Init      (void);
int  WM_Exec      (void);    /* Execute all jobs ... Return 0 if nothing was done. */
U32  WM_SetCreateFlags(U32 Flags);
WM_tfPollPID * WM_SetpfPollPID(WM_tfPollPID * pf);

/*********************************************************************
*
*       Window manager interface
*/
void    WM_AttachWindow              (WM_HWIN hWin, WM_HWIN hParent);
void    WM_AttachWindowAt            (WM_HWIN hWin, WM_HWIN hParent, int x, int y);
int     WM_CheckScrollPos            (WM_SCROLL_STATE * pScrollState, int Pos, int LowerDist, int UpperDist); /* not to be documented (may change in future version) */
void    WM_ClrHasTrans               (WM_HWIN hWin);
WM_HWIN WM_CreateWindow              (int x0, int y0, int xSize, int ySize, U32 Style, WM_CALLBACK * cb, int NumExtraBytes);
WM_HWIN WM_CreateWindowAsChild       (int x0, int y0, int xSize, int ySize, WM_HWIN hWinParent, U32 Style, WM_CALLBACK* cb, int NumExtraBytes);
void    WM_DeleteWindow              (WM_HWIN hWin);
void    WM_DetachWindow              (WM_HWIN hWin);
void    WM_EnableGestures            (WM_HWIN hWin, int OnOff);
int     WM_GetHasTrans               (WM_HWIN hWin);
WM_HWIN WM_GetFocussedWindow         (void);
int     WM_GetInvalidRect            (WM_HWIN hWin, GUI_RECT * pRect);
int     WM_GetStayOnTop              (WM_HWIN hWin);
void    WM_HideWindow                (WM_HWIN hWin);
void    WM_InvalidateArea            (const GUI_RECT * pRect);
void    WM_InvalidateRect            (WM_HWIN hWin, const GUI_RECT * pRect);
void    WM_InvalidateWindow          (WM_HWIN hWin);
void    WM_InvalidateWindowAndDescsEx(WM_HWIN hWin, const GUI_RECT * pInvalidRect, U16 Flags);
void    WM_InvalidateWindowAndDescs  (WM_HWIN hWin);    /* not to be documented (may change in future version) */
int     WM_IsEnabled                 (WM_HWIN hObj);
char    WM_IsCompletelyCovered       (WM_HWIN hWin);    /* Checks if the window is completely covered by other windows */
char    WM_IsCompletelyVisible       (WM_HWIN hWin);    /* Is the window completely visible ? */
int     WM_IsFocussable              (WM_HWIN hWin);
int     WM_IsVisible                 (WM_HWIN hWin);
int     WM_IsWindow                  (WM_HWIN hWin);    /* Check validity */
void    WM_SetAnchor                 (WM_HWIN hWin, U16 AnchorFlags);
void    WM_SetHasTrans               (WM_HWIN hWin);
void    WM_SetId                     (WM_HWIN hObj, int Id);
void    WM_SetStayOnTop              (WM_HWIN hWin, int OnOff);
void    WM_SetTransState             (WM_HWIN hWin, unsigned State);
void    WM_ShowWindow                (WM_HWIN hWin);
void    WM_ValidateRect              (WM_HWIN hWin, const GUI_RECT * pRect);
void    WM_ValidateWindow            (WM_HWIN hWin);

/* Gesture support */
void WM_GESTURE_Enable  (int OnOff);
int  WM_GESTURE_EnableEx(int OnOff, int MaxFactor);
void WM_GESTURE_Exec    (void);
I32  WM_GESTURE_SetThresholdAngle(I32 ThresholdAngle);
I32  WM_GESTURE_SetThresholdDist (I32 ThresholdDist);

/* Motion support */
void     WM_MOTION_Enable          (int OnOff);
void     WM_MOTION_SetMovement     (WM_HWIN hWin, int Axis, I32 Velocity, I32 Dist);
void     WM_MOTION_SetMotion       (WM_HWIN hWin, int Axis, I32 Velocity, I32 Deceleration);
void     WM_MOTION_SetMoveable     (WM_HWIN hWin, U32 Flags, int OnOff);
void     WM_MOTION_SetDeceleration (WM_HWIN hWin, int Axis, I32 Deceleration);
unsigned WM_MOTION_SetDefaultPeriod(unsigned Period);
void     WM_MOTION_SetSpeed        (WM_HWIN hWin, int Axis, I32 Velocity);

/* Motion support, private interface */
WM_HMEM WM_MOTION__CreateContext(void);
void    WM_MOTION__DeleteContext(WM_HMEM hContext);

/* Motion support, private function(s) */
void     WM__SetMotionCallback (void(* cbMotion) (GUI_PID_STATE * pState, void * p));

/* Static memory devices */
#if (GUI_SUPPORT_MEMDEV)
  #define GUI_MEMDEV_EDGE_LEFT   0
  #define GUI_MEMDEV_EDGE_RIGHT  1
  #define GUI_MEMDEV_EDGE_TOP    2
  #define GUI_MEMDEV_EDGE_BOTTOM 3

  int               GUI_MEMDEV_BlendWinBk       (WM_HWIN hWin, int Period, U32 BlendColor, U8 BlendIntens);
  int               GUI_MEMDEV_BlurAndBlendWinBk(WM_HWIN hWin, int Period, U8 BlurDepth, U32 BlendColor, U8 BlendIntens);
  int               GUI_MEMDEV_BlurWinBk        (WM_HWIN hWin, int Period, U8 BlurDepth);
  void              GUI_MEMDEV_CreateStatic     (WM_HWIN hWin);
  GUI_MEMDEV_Handle GUI_MEMDEV_CreateWindowDevice(WM_HWIN hWin);
  int               GUI_MEMDEV_FadeInWindow     (WM_HWIN hWin, int Period);
  int               GUI_MEMDEV_FadeOutWindow    (WM_HWIN hWin, int Period);
  GUI_MEMDEV_Handle GUI_MEMDEV_GetStaticDevice  (WM_HWIN hWin);
  GUI_MEMDEV_Handle GUI_MEMDEV_GetWindowDevice  (WM_HWIN hWin);
  int               GUI_MEMDEV_MoveInWindow     (WM_HWIN hWin, int x, int y, int a180, int Period);
  int               GUI_MEMDEV_MoveOutWindow    (WM_HWIN hWin, int x, int y, int a180, int Period);
  void              GUI_MEMDEV_Paint1Static     (WM_HWIN hWin);                                     /* not to be documented */
  int               GUI_MEMDEV_ShiftInWindow    (WM_HWIN hWin, int Period, int Direction);
  int               GUI_MEMDEV_ShiftOutWindow   (WM_HWIN hWin, int Period, int Direction);
  int               GUI_MEMDEV_SwapWindow       (WM_HWIN hWin, int Period, int Edge);

  void              GUI_MEMDEV__CreateStatic    (WM_HWIN hWin);
#endif

/* Move/resize windows */
void WM_MoveWindow                (WM_HWIN hWin, int dx, int dy);
void WM_ResizeWindow              (WM_HWIN hWin, int dx, int dy);
void WM_MoveTo                    (WM_HWIN hWin, int x, int y);
void WM_MoveChildTo               (WM_HWIN hWin, int x, int y);
void WM_SetSize                   (WM_HWIN hWin, int XSize, int YSize);
void WM_SetWindowPos              (WM_HWIN hWin, int xPos, int yPos, int xSize, int ySize);
int  WM_SetXSize                  (WM_HWIN hWin, int xSize);
int  WM_SetYSize                  (WM_HWIN hWin, int ySize);
int  WM_SetScrollbarH             (WM_HWIN hWin, int OnOff); /* not to be documented (may change in future version) */
int  WM_SetScrollbarV             (WM_HWIN hWin, int OnOff); /* not to be documented (may change in future version) */

/* ToolTip support */
#define WM_TOOLTIP_PI_FIRST 0
#define WM_TOOLTIP_PI_SHOW  1
#define WM_TOOLTIP_PI_NEXT  2

#define WM_TOOLTIP_CI_BK    0
#define WM_TOOLTIP_CI_FRAME 1
#define WM_TOOLTIP_CI_TEXT  2

typedef WM_HMEM WM_TOOLTIP_HANDLE;

typedef struct {
  int          Id;
  const char * pText;
} TOOLTIP_INFO;

int               WM_TOOLTIP_AddTool         (WM_TOOLTIP_HANDLE hToolTip, WM_HWIN hTool, const char * pText);
WM_TOOLTIP_HANDLE WM_TOOLTIP_Create          (WM_HWIN hDlg, const TOOLTIP_INFO * pInfo, unsigned NumItems);
void              WM_TOOLTIP_Delete          (WM_TOOLTIP_HANDLE hToolTip);
GUI_COLOR         WM_TOOLTIP_SetDefaultColor (unsigned Index, GUI_COLOR Color);
const GUI_FONT *  WM_TOOLTIP_SetDefaultFont  (const GUI_FONT * pFont);
unsigned          WM_TOOLTIP_SetDefaultPeriod(unsigned Index, unsigned Period);

/* ToolTip support, private */
void WM__SetToolTipCallback(void(* cbToolTip)(GUI_PID_STATE * pState, WM_HWIN));

/* Timer */
#ifdef GUI_X_CREATE_TIMER
  int  WM_CreateTimer    (WM_HWIN hWin, int UserID, int Period, int Mode); /* not to be documented (may change in future version) */
  void WM_DeleteTimer    (WM_HWIN hWin, int UserId); /* not to be documented (may change in future version) */
#else
  WM_HMEM WM_CreateTimer (WM_HWIN hWin, int UserID, int Period, int Mode); /* not to be documented (may change in future version) */
  void    WM_DeleteTimer (WM_HMEM hTimer); /* not to be documented (may change in future version) */
  void    WM_RestartTimer(WM_HMEM hTimer, int Period);
#endif
int WM_GetTimerId(WM_HTIMER hTimer);

/* Diagnostics */
int WM_GetNumWindows(void);
int WM_GetNumInvalidWindows(void);

/* Scroll state related functions */
void WM_CheckScrollBounds(WM_SCROLL_STATE * pScrollState); /* not to be documented (may change in future version) */
int  WM_GetScrollPosH    (WM_HWIN hWin);
int  WM_GetScrollPosV    (WM_HWIN hWin);
void WM_SetScrollPosH    (WM_HWIN hWin, unsigned ScrollPos);
void WM_SetScrollPosV    (WM_HWIN hWin, unsigned ScrollPos);
int  WM_SetScrollValue   (WM_SCROLL_STATE * pScrollState, int v); /* not to be documented (may change in future version) */

/* Get / Set (new) callback function */
WM_CALLBACK * WM_SetCallback(WM_HWIN hWin, WM_CALLBACK * cb);
WM_CALLBACK * WM_GetCallback(WM_HWIN hWin);

/* Get size/origin of a window */
void      WM_GetClientRect           (GUI_RECT * pRect);
void      WM_GetClientRectEx         (WM_HWIN hWin, GUI_RECT * pRect);
void      WM_GetInsideRect           (GUI_RECT * pRect);
void      WM_GetInsideRectEx         (WM_HWIN hWin, GUI_RECT * pRect);
void      WM_GetInsideRectExScrollbar(WM_HWIN hWin, GUI_RECT * pRect); /* not to be documented (may change in future version) */
void      WM_GetWindowRect           (GUI_RECT * pRect);
void      WM_GetWindowRectEx         (WM_HWIN hWin, GUI_RECT * pRect);
int       WM_GetOrgX                 (void);
int       WM_GetOrgY                 (void);
int       WM_GetWindowOrgX           (WM_HWIN hWin);
int       WM_GetWindowOrgY           (WM_HWIN hWin);
int       WM_GetWindowSizeX          (WM_HWIN hWin);
int       WM_GetWindowSizeY          (WM_HWIN hWin);
WM_HWIN   WM_GetFirstChild           (WM_HWIN hWin);
WM_HWIN   WM_GetNextSibling          (WM_HWIN hWin);
WM_HWIN   WM_GetParent               (WM_HWIN hWin);
WM_HWIN   WM_GetPrevSibling          (WM_HWIN hWin);
int       WM_GetId                   (WM_HWIN hWin);
WM_HWIN   WM_GetScrollbarV           (WM_HWIN hWin);
WM_HWIN   WM_GetScrollbarH           (WM_HWIN hWin);
WM_HWIN   WM_GetScrollPartner        (WM_HWIN hWin);
WM_HWIN   WM_GetClientWindow         (WM_HWIN hObj);
GUI_COLOR WM_GetBkColor              (WM_HWIN hObj);

/* Change Z-Order of windows */
void WM_BringToBottom(WM_HWIN hWin);
void WM_BringToTop(WM_HWIN hWin);

GUI_COLOR WM_SetDesktopColor  (GUI_COLOR Color);
GUI_COLOR WM_SetDesktopColorEx(GUI_COLOR Color, unsigned int LayerIndex);
void      WM_SetDesktopColors (GUI_COLOR Color);

/* Select window used for drawing operations */
WM_HWIN WM_SelectWindow           (WM_HWIN  hWin);
WM_HWIN WM_GetActiveWindow        (void);
void    WM_Paint                  (WM_HWIN hObj);
void    WM_Update                 (WM_HWIN hWin);
void    WM_PaintWindowAndDescs    (WM_HWIN hWin);
void    WM_UpdateWindowAndDescs   (WM_HWIN hWin);

/* Get foreground/background windows */
WM_HWIN WM_GetDesktopWindow  (void);
WM_HWIN WM_GetDesktopWindowEx(unsigned int LayerIndex);

/* Reduce clipping area of a window */
const GUI_RECT * WM_SetUserClipRect(const GUI_RECT * pRect);
void             WM_SetDefault     (void);

/* Use of memory devices */
void WM_EnableMemdev              (WM_HWIN hWin);
void WM_DisableMemdev             (WM_HWIN hWin);

/* Automatic use of multiple buffers */
int WM_MULTIBUF_Enable(int OnOff);

extern const GUI_MULTIBUF_API * WM_MULTIBUF__pAPI;

typedef void (* T_WM_EXEC_GESTURE)(void);

extern T_WM_EXEC_GESTURE WM__pExecGestures;

/* ... */
int WM_OnKey(int Key, int Pressed);
void WM_MakeModal(WM_HWIN hWin);
int WM_SetModalLayer(int LayerIndex);
int WM_GetModalLayer(void);

/*********************************************************************
*
*       Message related functions
*
*  Please note that some of these functions do not yet show up in the
*  documentation, as they should not be required by application program.
*/
void      WM_NotifyParent         (WM_HWIN hWin, int Notification);
void      WM_SendMessage          (WM_HWIN hWin, WM_MESSAGE * p);
void      WM_SendMessageNoPara    (WM_HWIN hWin, int MsgId);             /* not to be documented (may change in future */
void      WM_DefaultProc          (WM_MESSAGE * pMsg);
int       WM_BroadcastMessage     (WM_MESSAGE * pMsg);
void      WM_SetScrollState       (WM_HWIN hWin, const WM_SCROLL_STATE * pState);
void      WM_SetEnableState       (WM_HWIN hItem, int State);
void      WM_SendToParent         (WM_HWIN hWin, WM_MESSAGE * pMsg);
int       WM_HasFocus             (WM_HWIN hWin);
int       WM_SetFocus             (WM_HWIN hWin);
WM_HWIN   WM_SetFocusOnNextChild  (WM_HWIN hParent);     /* Set the focus to the next child */
WM_HWIN   WM_SetFocusOnPrevChild  (WM_HWIN hParent);     /* Set the focus to the previous child */
WM_HWIN   WM_GetDialogItem        (WM_HWIN hWin, int Id);
void      WM_EnableWindow         (WM_HWIN hWin);
void      WM_DisableWindow        (WM_HWIN hWin);
void      WM_GetScrollState       (WM_HWIN hObj, WM_SCROLL_STATE * pScrollState);

/*********************************************************************
*
*       Managing user data
*/
int       WM_GetUserData   (WM_HWIN hWin, void * pDest, int SizeOfBuffer);
int       WM_SetUserData   (WM_HWIN hWin, const void * pSrc, int SizeOfBuffer);
int       WM__GetUserDataEx(WM_HWIN hWin, void * pDest, int NumBytes, int SizeOfObject);
int       WM__SetUserDataEx(WM_HWIN hWin, const void * pSrc, int NumBytes, int SizeOfObject);

/*********************************************************************
*
*       Capturing input focus
*/
int  WM_HasCaptured   (WM_HWIN hWin);
void WM_SetCapture    (WM_HWIN hObj, int AutoRelease);
void WM_SetCaptureMove(WM_HWIN hWin, const GUI_PID_STATE * pState, int MinVisibility, int LimitTop); /* Not yet documented */
void WM_ReleaseCapture(void);

/*********************************************************************
*
*       Misc routines
*/
int       WM_HandlePID      (void);
WM_HWIN   WM_Screen2hWin    (int x, int y);
WM_HWIN   WM_Screen2hWinEx  (WM_HWIN hStop, int x, int y);
void      WM_ForEachDesc    (WM_HWIN hWin, WM_tfForEach * pcb, void * pData);
void      WM_SetScreenSize  (int xSize, int ySize);
int       WM_PollSimMsg     (void);
int       WM_GetWindowInfo  (WM_WINDOW_INFO * pInfo, int FirstWindow);

/*********************************************************************
*
*       Diagnostics routines
*/
#if (WM_SUPPORT_DIAG)
void WM_DIAG_EnableInvalidationColoring(int OnOff);
#endif

/*********************************************************************
*
*       Macros for compatibility with older versions
*/
#if WM_COMPATIBLE_MODE
  #define HBWIN             WM_HWIN
  #define HBWIN_NULL        WM_HWIN_NULL

  #define WM_HideWin        WM_HideWindow
  #define WM_ShowWin        WM_ShowWindow
  #define WM_GetKey         GUI_GetKey
  #define WM_WaitKey        GUI_WaitKey

  #define WM_ExecIdle       WM_Exec
  #define WM_ExecIdle1      WM_Exec1

  #define WM_Invalidate     WM_InvalidateWindow
  #define WM_GetWinRect     WM_GetWindowRect
  #define WM_GetWinOrgX     WM_GetWindowOrgX
  #define WM_GetWinOrgY     WM_GetWindowOrgY
  #define WM_GetWinSizeX    WM_GetWindowSizeX
  #define WM_GetWinSizeY    WM_GetWindowSizeY
  #define WM_GetXSize       WM_GetWindowSizeX
  #define WM_GetYSize       WM_GetWindowSizeY
  #define WM_SelWin         WM_SelectWindow
  #define WM_GetBackgroundWindow  WM_GetDesktopWindow
  #define WM_GetForegroundWindow    0
  #define WM_SetForegroundWindow    WM_BringToTop
  #define WM_SetUserClipArea WM_SetUserClipRect


  #define WM_Start()
  #define WM_Stop()
  #define WM_SetBkWindowColor(Color)  WM_SetDesktopColor(Color)

#endif


#endif   /* GUI_WINSUPPORT */

#if defined(__cplusplus)
}
#endif 

#endif   /* WM_H */

/*************************** End of file ****************************/
