/*
*********************************************************************************************************
*                                                uC/GUI
*                        Universal graphic software for embedded applications
*
*                       (c) Copyright 2002, Micrium Inc., Weston, FL
*                       (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
*
*              礐/GUI 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 a license and should not be redistributed
*              in any way. We appreciate your understanding and fairness.
*
----------------------------------------------------------------------
File        : FRAMEWIN_SetResizeable.c
Purpose     : 
---------------------------END-OF-HEADER------------------------------
*/

#include <stdlib.h>
#include "FRAMEWIN_Private.h"

#if GUI_WINSUPPORT

/*********************************************************************
*
*        Defines
*
**********************************************************************
*/

#ifndef   FRAMEWIN_REACT_BORDER
  #define FRAMEWIN_REACT_BORDER 3
#endif
#ifndef   FRAMEWIN_MINSIZE_X
  #define FRAMEWIN_MINSIZE_X    20
#endif
#ifndef   FRAMEWIN_MINSIZE_Y
  #define FRAMEWIN_MINSIZE_Y    20
#endif

#define FRAMEWIN_RESIZE_X     (1<<0)
#define FRAMEWIN_RESIZE_Y     (1<<1)
#define FRAMEWIN_REPOS_X      (1<<2)
#define FRAMEWIN_REPOS_Y      (1<<3)
#define FRAMEWIN_MOUSEOVER    (1<<4)
#define FRAMEWIN_RESIZE       (FRAMEWIN_RESIZE_X | FRAMEWIN_RESIZE_Y | FRAMEWIN_REPOS_X | FRAMEWIN_REPOS_Y)

/*********************************************************************
*
*        Static data
*
**********************************************************************
*/

static GUI_HOOK _HOOK_Resizeable;
static int      _CaptureX;
static int      _CaptureY;
static int      _CaptureFlags;

#if GUI_SUPPORT_CURSOR
  static const GUI_CURSOR GUI_UNI_PTR * _pOldCursor;
#endif

/*********************************************************************
*
*        Static data, cursors
*
**********************************************************************
*/
#if GUI_SUPPORT_CURSOR

/*********************************************************************
*
*        Cursor colors
*/
static GUI_CONST_STORAGE GUI_COLOR _ColorsCursor[] = {
     0x0000FF,0x000000,0xFFFFFF
};

static GUI_CONST_STORAGE GUI_LOGPALETTE _PalCursor = {
  3,	/* number of entries */
  1, 	/* Has transparency */
  &_ColorsCursor[0]
};

/*********************************************************************
*
*        Cursor data, CursorH
*/
static GUI_CONST_STORAGE unsigned char _acResizeCursorH[] = {
  0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x40, 0x00, 0x40, 0x00,
  0x01, 0x40, 0x00, 0x50, 0x00,
  0x06, 0x40, 0x00, 0x64, 0x00,
  0x1A, 0x55, 0x55, 0x69, 0x00,
  0x6A, 0xAA, 0xAA, 0xAA, 0x40,
  0x1A, 0x55, 0x55, 0x69, 0x00,
  0x06, 0x40, 0x00, 0x64, 0x00,
  0x01, 0x40, 0x00, 0x50, 0x00,
  0x00, 0x40, 0x00, 0x40, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00
};

static GUI_CONST_STORAGE GUI_BITMAP _bmResizeCursorH = {
 17,  /* XSize */
 17,  /* YSize */
 5,   /* BytesPerLine */
 2,   /* BitsPerPixel */
 _acResizeCursorH,    /* Pointer to picture data (indices) */
 &_PalCursor          /* Pointer to palette */
};

static GUI_CONST_STORAGE GUI_CURSOR _ResizeCursorH = {
  &_bmResizeCursorH, 8, 8
};

/*********************************************************************
*
*        Cursor data, CursorV
*/
static GUI_CONST_STORAGE unsigned char _acResizeCursorV[] = {
  0x00, 0x00, 0x40, 0x00, 0x00,
  0x00, 0x01, 0x90, 0x00, 0x00,
  0x00, 0x06, 0xA4, 0x00, 0x00,
  0x00, 0x1A, 0xA9, 0x00, 0x00,
  0x00, 0x55, 0x95, 0x40, 0x00,
  0x00, 0x01, 0x90, 0x00, 0x00,
  0x00, 0x01, 0x90, 0x00, 0x00,
  0x00, 0x01, 0x90, 0x00, 0x00,
  0x00, 0x01, 0x90, 0x00, 0x00,
  0x00, 0x01, 0x90, 0x00, 0x00,
  0x00, 0x01, 0x90, 0x00, 0x00,
  0x00, 0x01, 0x90, 0x00, 0x00,
  0x00, 0x55, 0x95, 0x40, 0x00,
  0x00, 0x1A, 0xA9, 0x00, 0x00,
  0x00, 0x06, 0xA4, 0x00, 0x00,
  0x00, 0x01, 0x90, 0x00, 0x00,
  0x00, 0x00, 0x40, 0x00, 0x00
};

static GUI_CONST_STORAGE GUI_BITMAP _bmResizeCursorV = {
 17,  /* XSize */
 17,  /* YSize */
 5,   /* BytesPerLine */
 2,   /* BitsPerPixel */
 _acResizeCursorV,    /* Pointer to picture data (indices) */
 &_PalCursor          /* Pointer to palette */
};

static GUI_CONST_STORAGE GUI_CURSOR _ResizeCursorV = {
  &_bmResizeCursorV, 8, 8
};

/*********************************************************************
*
*        Cursor data, CursorDD
*/
static GUI_CONST_STORAGE unsigned char _acResizeCursorDD[] = {
  0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00,
  0x05, 0x55, 0x00, 0x00, 0x00,
  0x06, 0xA4, 0x00, 0x00, 0x00,
  0x06, 0x90, 0x00, 0x00, 0x00,
  0x06, 0x64, 0x00, 0x00, 0x00,
  0x05, 0x19, 0x00, 0x00, 0x00,
  0x04, 0x06, 0x40, 0x00, 0x00,
  0x00, 0x01, 0x90, 0x00, 0x00,
  0x00, 0x00, 0x64, 0x04, 0x00,
  0x00, 0x00, 0x19, 0x14, 0x00,
  0x00, 0x00, 0x06, 0x64, 0x00,
  0x00, 0x00, 0x01, 0xA4, 0x00,
  0x00, 0x00, 0x06, 0xA4, 0x00,
  0x00, 0x00, 0x15, 0x54, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00
};

static GUI_CONST_STORAGE GUI_BITMAP _bmResizeCursorDD = {
 17,  /* XSize */
 17,  /* YSize */
 5,   /* BytesPerLine */
 2,   /* BitsPerPixel */
 _acResizeCursorDD,   /* Pointer to picture data (indices) */
 &_PalCursor          /* Pointer to palette */
};

static GUI_CONST_STORAGE GUI_CURSOR _ResizeCursorDD = {
  &_bmResizeCursorDD, 8, 8
};

/*********************************************************************
*
*        Cursor data, CursorDU
*/
static GUI_CONST_STORAGE unsigned char _acResizeCursorDU[] = {
  0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x15, 0x54, 0x00,
  0x00, 0x00, 0x06, 0xA4, 0x00,
  0x00, 0x00, 0x01, 0xA4, 0x00,
  0x00, 0x00, 0x06, 0x64, 0x00,
  0x00, 0x00, 0x19, 0x14, 0x00,
  0x00, 0x00, 0x64, 0x04, 0x00,
  0x00, 0x01, 0x90, 0x00, 0x00,
  0x04, 0x06, 0x40, 0x00, 0x00,
  0x05, 0x19, 0x00, 0x00, 0x00,
  0x06, 0x64, 0x00, 0x00, 0x00,
  0x06, 0x90, 0x00, 0x00, 0x00,
  0x06, 0xA4, 0x00, 0x00, 0x00,
  0x05, 0x55, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00
};

static GUI_CONST_STORAGE GUI_BITMAP _bmResizeCursorDU = {
 17,  /* XSize */
 17,  /* YSize */
 5,   /* BytesPerLine */
 2,   /* BitsPerPixel */
 _acResizeCursorDU,   /* Pointer to picture data (indices) */
 &_PalCursor          /* Pointer to palette */
};

static GUI_CONST_STORAGE GUI_CURSOR _ResizeCursorDU = {
  &_bmResizeCursorDU, 8, 8
};

#endif

/*********************************************************************
*
*        Static code, helpers
*
**********************************************************************
*/
/*********************************************************************
*
*       _SetResizeCursor
*/
#if GUI_SUPPORT_CURSOR
static void _SetResizeCursor(int Mode) {
  const GUI_CURSOR GUI_UNI_PTR * pNewCursor = NULL;
  if (Mode) {
    int Direction;
    Direction = Mode & (FRAMEWIN_RESIZE_X | FRAMEWIN_RESIZE_Y);
    if (Direction == FRAMEWIN_RESIZE_X) {
      pNewCursor = &_ResizeCursorH;
    } else if (Direction == FRAMEWIN_RESIZE_Y) {
      pNewCursor = &_ResizeCursorV;
    } else {
      Direction = Mode & (FRAMEWIN_REPOS_X | FRAMEWIN_REPOS_Y);
      if ((Direction == (FRAMEWIN_REPOS_X | FRAMEWIN_REPOS_Y)) || !Direction) {
        pNewCursor = &_ResizeCursorDD;
      } else {
        pNewCursor = &_ResizeCursorDU;
      }
    }
  }
  if (pNewCursor) {
    const GUI_CURSOR GUI_UNI_PTR * pOldCursor;
    pOldCursor = GUI_CURSOR_Select(pNewCursor);
    if (_pOldCursor == NULL) {
      _pOldCursor = pOldCursor;
    }
  } else if (_pOldCursor) {
    GUI_CURSOR_Select(_pOldCursor);
    _pOldCursor = NULL;