/*
 * Treeview class extra info
 *
 * Copyright 1998 Eric Kohl
 * Copyright 1998 Alex Priem
 */

#ifndef __WINE_TREEVIEW_H
#define __WINE_TREEVIEW_H

#include "commctrl.h"

#define MINIMUM_INDENT 10
#define TV_REFRESH_DELAY 100     /* 100 ms delay between two refreshes */
#define TV_DEFAULTITEMHEIGHT 16
#define TVITEM_ALLOC	16	/* default nr of items to allocate at first try */


/* internal structures */

typedef struct {
  UINT      mask;
  HTREEITEM hItem;
  UINT      state;
  UINT      stateMask;
  LPSTR     pszText;
  int       cchTextMax;
  int       iImage;
  int       iSelectedImage;
  int       cChildren;
  LPARAM    lParam;
  int       iIntegral;
  int       iLevel;         /* indentation level:0=root level */
  COLORREF  clrText;
  HTREEITEM parent;         /* handle to parent or 0 if at root*/
  HTREEITEM firstChild;     /* handle to first child or 0 if no child*/
  HTREEITEM sibling;        /* handle to next item in list, 0 if last */
  HTREEITEM upsibling;      /* handle to previous item in list, 0 if first */
  int       visible;
  RECT      rect;
  RECT      text;
  RECT      expandBox;      /* expand box (+/-) coordinate */
} TREEVIEW_ITEM;


typedef struct tagTREEVIEW_INFO
{
  UINT          uInternalStatus;    
  UINT          bAutoSize;      /* merge with uInternalStatus */
  INT           Timer;
  UINT          uNumItems;      /* number of valid TREEVIEW_ITEMs */
  UINT          uNumPtrsAlloced; 
  HTREEITEM     uMaxHandle;     /* needed for delete_item */
  HTREEITEM     TopRootItem;    /* handle to first item in treeview */
  INT           cdmode;         /* last custom draw setting */
  UINT          uScrollTime;	/* max. time for scrolling in milliseconds*/
  UINT          uItemHeight;    /* item height, -1 for default item height */
  UINT          uRealItemHeight;/* current item height in pixels */
  UINT          uVisibleHeight; /* visible height of treeview in pixels */
  UINT          uTotalHeight;   /* total height of treeview in pixels */
  UINT          uVisibleWidth;      
  UINT          uTotalWidth;  
  UINT          uIndent;        /* indentation in pixels */
  HTREEITEM     selectedItem;   /* handle to selected item or 0 if none */
  HTREEITEM     focusItem;      /* handle to item that has focus, 0 if none */
  HTREEITEM     hotItem;        /* handle currently under cursor, 0 if none */
  HTREEITEM     editItem;       /* handle to item currently editted, 0 if none */
  HTREEITEM     firstVisible;   /* handle to first visible item */
  HTREEITEM     dropItem;       /* handle to item selected by drag cursor */
  HIMAGELIST    dragList;       /* Bitmap of dragged item */
  INT           cx,cy;          /* current x/y place in list */
  COLORREF      clrBk;    
  COLORREF      clrText;
  COLORREF      clrLine;
  HFONT         hFont;
  HFONT         hBoldFont;
  HWND          hwndToolTip;
  HWND          hwndEdit;
  WNDPROC       wpEditOrig;     /* needed for subclassing edit control */
  HIMAGELIST    himlNormal;  
  HIMAGELIST    himlState;
  LPTVSORTCB    pCallBackSort; /* ptr to TVSORTCB struct for callback sorting */
  TREEVIEW_ITEM *items;        /* itemlist */
  INT           *freeList;     /* bitmap indicating which elements are valid */
                               /* 1=valid, 0=free;   */
                               /* size of list= uNumPtrsAlloced/32 */
} TREEVIEW_INFO;


/* bitflags for infoPtr->uInternalStatus */

#define TV_HSCROLL 	0x01    /* treeview too large to fit in window */
#define TV_VSCROLL 	0x02	/* (horizontal/vertical) */
#define TV_LDRAG		0x04	/* Lbutton pushed to start drag */
#define TV_LDRAGGING	0x08	/* Lbutton pushed, mouse moved.  */
#define TV_RDRAG		0x10	/* dito Rbutton */
#define TV_RDRAGGING	0x20	

/* bitflags for infoPtr->timer */

#define TV_REFRESH_TIMER 1	
#define TV_EDIT_TIMER    2
#define TV_REFRESH_TIMER_SET 1  
#define TV_EDIT_TIMER_SET 2  


extern VOID TREEVIEW_Register (VOID);
extern VOID TREEVIEW_Unregister (VOID);

#endif  /* __WINE_TREEVIEW_H */