/*********************************************************************
*                SEGGER Microcontroller GmbH & Co. KG                *
*        Solutions for real time microcontroller applications        *
**********************************************************************
*                                                                    *
*        (c) 1996 - 2017  SEGGER Microcontroller GmbH & Co. KG       *
*                                                                    *
*        Internet: www.segger.com    Support:  support@segger.com    *
*                                                                    *
**********************************************************************

** emWin V5.40 - 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 STMicroelectronics International
N.V. a Dutch company with a Swiss branch and its headquarters in Plan-
les-Ouates, Geneva, 39 Chemin du Champ des Filles, Switzerland for the
purposes of creating libraries for ARM Cortex-M-based 32-bit microcon_
troller products commercialized by Licensee only, sublicensed and dis_
tributed under the terms and conditions of the End User License Agree_
ment supplied by STMicroelectronics International N.V.
Full source code is available at: www.segger.com

We appreciate your understanding and fairness.
----------------------------------------------------------------------
File        : TREEVIEW_Private.h
Purpose     : TREEVIEW private header file
--------------------END-OF-HEADER-------------------------------------
*/

/**
  ******************************************************************************
  * @attention
  *
  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
  * You may not use this file except in compliance with the License.
  * You may obtain a copy of the License at:
  *
  *        http://www.st.com/software_license_agreement_liberty_v2
  *
  * Unless required by applicable law or agreed to in writing, software 
  * distributed under the License is distributed on an "AS IS" BASIS, 
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  *
  ******************************************************************************
  */
  
#ifndef TREEVIEW_PRIVATE_H
#define TREEVIEW_PRIVATE_H

#include "WM.h"
#include "TREEVIEW.h"

#if GUI_WINSUPPORT

/*********************************************************************
*
*       Defines
*
**********************************************************************
*/
#define TREEVIEW_ITEM_STATE_EXPANDED (1 << 1)
#define TREEVIEW_ITEM_STATE_ISLAST   (1 << 2)

#define TREEVIEW_STATE_HASLINES      (1 << 0)

#define TREEVIEW_COLORS_BK   0
#define TREEVIEW_COLORS_TEXT 1
#define TREEVIEW_COLORS_LINE 2

/*********************************************************************
*
*       Types
*
**********************************************************************
*/
typedef struct {
  const GUI_BITMAP * apBm[3]; /* Closed, Open, Leaf */
} TREEVIEW_ITEM_DATA;

typedef struct {
  WM_HMEM              hParent; /* Handle to treeview object */
  TREEVIEW_ITEM_Handle hNext;
  TREEVIEW_ITEM_Handle hPrev;
  U32                  UserData;
  WM_HMEM              hData;  /* Handle of TREEVIEW_ITEM_DATA structure */
  U16                  xSize;
  U16                  ySize;
  U16                  Flags;
  U16                  Connectors;
  U8                   Level;  /* 0...15 */
  char                 acText[1];
} TREEVIEW_ITEM_OBJ;

typedef struct {
  const GUI_FONT * pFont;
  GUI_COLOR aBkColor[3];
  GUI_COLOR aTextColor[3];
  GUI_COLOR aLineColor[3];
  GUI_COLOR FocusColor;
  const GUI_BITMAP * apBm[5]; /* Closed, Open, Leaf, Plus, Minus */
  int Indent;
  int TextIndent;
  int MinItemHeight;
} TREEVIEW_PROPS;

typedef struct {
  WIDGET                  Widget;
  WIDGET_DRAW_ITEM_FUNC * pfDrawItem;
  WM_SCROLL_STATE         ScrollStateV;
  WM_SCROLL_STATE         ScrollStateH;
  TREEVIEW_PROPS          Props;
  U16                     Flags;
  TREEVIEW_ITEM_Handle    hFirst;
  TREEVIEW_ITEM_Handle    hLast;
  TREEVIEW_ITEM_Handle    hSel;
  GUI_TIMER_HANDLE        hTimer;
  /* Cache variables */
  int NumItems;
  int NumVisItems;
  int xSizeItems;     /* xSize in pixel used for all visible items */
  int ySizeItems;     /* ySize in pixel used for all visible items */
  I16 xOffPM, yOffPM; /* x/y offset of PM bitmap */
  U16 xOverlapHLine;
} TREEVIEW_OBJ;

/*********************************************************************
*
*       Macros for internal use
*
**********************************************************************
*/
#if GUI_DEBUG_LEVEL >= GUI_DEBUG_LEVEL_CHECK_ALL
  #define TREEVIEW_INIT_ID(p) p->Widget.DebugId = TREEVIEW_ID
#else
  #define TREEVIEW_INIT_ID(p)
#endif

#if GUI_DEBUG_LEVEL >= GUI_DEBUG_LEVEL_CHECK_ALL
  TREEVIEW_OBJ * TREEVIEW_LockH(TREEVIEW_Handle h);
  #define TREEVIEW_LOCK_H(h)   TREEVIEW_LockH(h)
#else
  #define TREEVIEW_LOCK_H(h)   (TREEVIEW_OBJ *)GUI_LOCK_H(h)
#endif

/*********************************************************************
*
*       Module internal data
*
**********************************************************************
*/
extern TREEVIEW_PROPS TREEVIEW__DefaultProps;
extern GUI_CONST_STORAGE GUI_BITMAP TREEVIEW__bmOpen;
extern GUI_CONST_STORAGE GUI_BITMAP TREEVIEW__bmClosed;
extern GUI_CONST_STORAGE GUI_BITMAP TREEVIEW__bmLeaf;
extern GUI_CONST_STORAGE GUI_BITMAP TREEVIEW__bmPlus;
extern GUI_CONST_STORAGE GUI_BITMAP TREEVIEW__bmMinus;

#endif   /* GUI_WINSUPPORT */
#endif   /* TREEVIEW_H */

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