Windows2000/private/shell/win16/commctrl/treeview.h
2020-09-30 17:12:32 +02:00

195 lines
8.2 KiB
C

#include "listview.h" // for some helper routines and border metrics
#define MAGIC_MININDENT 5
#define MAGIC_INDENT 3
// flags for TV_DrawItem
#define TVDI_NOIMAGE 0x0001 // don't draw image
#define TVDI_NOTREE 0x0002 // don't draw indent, lines, +/-
#define TVDI_TRANSTEXT 0x0004 // draw text transparently in black
#define TVDI_ERASE 0x0008 // erase while drawing
#define TVDI_GRAYTEXT 0x0010 // text is gray (disabled item)
#define TVDI_GRAYCTL 0x0020 // text and background is gray (disabled control)
typedef struct _TREE {
HWND hwnd; // tree window
HWND hwndParent; // parent window to send notifys to
DWORD style; // style bits
// Flags
BOOL fHorz:1; // horizontal scrollbar present
BOOL fVert:1; // vertical scrollbar present
BOOL fFocus:1; // currently has focus
BOOL fNameEditPending:1; // Is a name edit pending?
BOOL fRedraw:1; // should redraw?
BOOL fScrollWait:1; // are we waiting for a dblclk to not scroll?
BOOL fCreatedFont:1; // we created our font
BOOL fNoDismissEdit:1; // don't dismiss in-place edit control
BOOL fIndentSet:1; // is the parent managing the indent size?
// Handles
HTREEITEM hRoot; // tree root item
HTREEITEM hCaret; // item with focus caret
HTREEITEM hDropTarget; // item which is the drop target
HTREEITEM htiEdit; // The item that is being edited.
HIMAGELIST hImageList; // image list
HIMAGELIST himlState; // state image list
int iPuntChar; // number of wm_char's to punt
int cxState;
int cyState;
HBRUSH hbrBk; // background brush
HFONT hFont; // tree font
HFONT hFontBold; // bold tree font
HBITMAP hStartBmp; // initial DC mono bitmap
HBITMAP hBmp; // indent bitmaps in hdcBits
HDC hdcBits; // HDC for drawing indent bitmaps
HTREEITEM hItemPainting; // the guy we are currently painting
#ifdef WIN32
HANDLE hheap; // heap for allocs for win32
#endif
// Dimensions
SHORT cxImage; // image width
SHORT cyImage; // image height
SHORT cyText; // text height
SHORT cyItem; // item height
SHORT cxIndent; // indent width
SHORT cxWnd; // window width
SHORT cyWnd; // window height
// Scroll Positioners
WORD cxMax; // width of longest item
WORD cFullVisible; // number of items that CAN fully fit in window
SHORT xPos; // horizontal scrolled position
UINT cShowing; // number of showing (non-collapsed) items
UINT cItems; // total number of items
HTREEITEM hTop; // first visible item
// stuff for edit in place
HWND hwndEdit; // Edit window for name editing.
WNDPROC pfnEditWndProc; // edit field subclass proc
} TREE, NEAR *PTREE;
#define TV_StateIndex(pitem) ((int)(((DWORD)((pitem)->state) >> 12) & 0xF))
#define KIDS_COMPUTE 0 // use hKids to determine if a node has children
#define KIDS_FORCE_YES 1 // force a node to have kids (ignore hKids)
#define KIDS_FORCE_NO 2 // force a node to not have kids (ignore hKids)
#define KIDS_CALLBACK 3 // callback to see if a node has kids
// BUGBUG: OINK OINK
typedef struct _TREEITEM {
HTREEITEM hParent; // allows us to walk back out of the tree
HTREEITEM hNext; // next sibling
HTREEITEM hKids; // first child
LPSTR lpstr; // item text, can be LPSTR_TEXTCALLBACK
WORD state; // TVIS_ state flags
WORD iImage; // normal state image at iImage
WORD iSelectedImage; // selected state image
WORD iWidth; // cached: width of text area (for hit test, drawing)
WORD iShownIndex; // cached: -1 if not visible, otherwise nth visible item
unsigned char iLevel; // cached: level of item (indent)
unsigned char fKids; // KIDS_ values
LPARAM lParam; // item data
#ifdef DEBUG
#define DEBUG_SIG (('T' << 8) + 'I')
WORD dbg_sig;
#endif
} TREEITEM;
#define ITEM_VISIBLE(hti) ((hti)->iShownIndex != (WORD)-1)
// get the parent, avoiding the hidden root node
#define VISIBLE_PARENT(hItem) (!(hItem)->iLevel ? NULL : (hItem)->hParent)
// REVIEW: make this a function if the optimizer doesn't do well with this
#define FULL_WIDTH(pTree, hItem) (ITEM_OFFSET(pTree,hItem) + hItem->iWidth)
int FAR PASCAL ITEM_OFFSET(PTREE pTree, HTREEITEM hItem);
#ifdef DEBUG
void NEAR ValidateTreeItem(HTREEITEM hItem, BOOL bNullOk);
#else
#define ValidateTreeItem(hItem, bNullOk)
#endif
// in TVSCROLL.C
BOOL NEAR TV_ScrollBarsAfterAdd (PTREE, HTREEITEM);
BOOL NEAR TV_ScrollBarsAfterRemove (PTREE, HTREEITEM);
BOOL NEAR TV_ScrollBarsAfterExpand (PTREE, HTREEITEM);
BOOL NEAR TV_ScrollBarsAfterCollapse (PTREE, HTREEITEM);
BOOL NEAR TV_ScrollBarsAfterSetWidth (PTREE, HTREEITEM);
BOOL NEAR TV_HorzScroll (PTREE, UINT, UINT);
BOOL NEAR TV_VertScroll (PTREE, UINT, UINT);
BOOL NEAR TV_SetLeft (PTREE, int);
BOOL NEAR TV_SetTopItem (PTREE, UINT);
BOOL NEAR TV_CalcScrollBars (PTREE);
BOOL NEAR TV_ScrollIntoView (PTREE, HTREEITEM);
BOOL NEAR TV_ScrollVertIntoView (PTREE, HTREEITEM);
HTREEITEM NEAR TV_GetShownIndexItem (HTREEITEM, UINT);
UINT NEAR TV_ScrollBelow (PTREE, HTREEITEM, BOOL, BOOL);
BOOL NEAR TV_SortChildren(PTREE, HTREEITEM, BOOL);
BOOL NEAR TV_SortChildrenCB(PTREE, LPTV_SORTCB, BOOL);
void NEAR TV_ComputeItemWidth(PTREE pTree, HTREEITEM hItem, HDC hdc);
// in TVPAINT.C
void NEAR TV_GetBackgroundBrush (PTREE pTree, HDC hdc);
void NEAR TV_UpdateTreeWindow (PTREE, BOOL);
void NEAR TV_ChangeColors (PTREE);
void NEAR TV_CreateIndentBmps (PTREE);
void NEAR TV_Paint (PTREE, HDC);
HIMAGELIST NEAR TV_CreateDragImage (PTREE pTree, HTREEITEM hItem);
// in TVMEM.C
#define TVDI_NORMAL 0x0000 // TV_DeleteItem flags
#define TVDI_NONOTIFY 0x0001
#define TVDI_CHILDRENONLY 0x0002
#define TVDI_NOSELCHANGE 0x0004
BOOL NEAR TV_DeleteItem(PTREE, HTREEITEM, UINT);
HTREEITEM NEAR TV_InsertItem(PTREE pTree, LPTV_INSERTSTRUCT lpis);
void NEAR TV_DestroyTree(PTREE);
LRESULT NEAR TV_OnCreate(HWND, LPCREATESTRUCT);
// in TREEVIEW.C
BOOL NEAR TV_GetItemRect(PTREE, HTREEITEM, LPRECT, BOOL);
BOOL NEAR TV_Expand(PTREE pTree, UINT wCode, TREEITEM FAR * hItem, BOOL fNotify);
HTREEITEM NEAR TV_GetNextItem(PTREE, HTREEITEM, UINT);
void NEAR TV_GetItem(PTREE pTree, HTREEITEM hItem, UINT mask, LPTV_ITEM lpItem);
BOOL NEAR TV_SelectItem(PTREE, UINT, HTREEITEM, BOOL, BOOL, UINT);
BOOL NEAR TV_SendChange(PTREE, HTREEITEM, int, UINT, UINT, UINT, int, int);
HTREEITEM NEAR TV_GetNextVisItem(HTREEITEM);
HTREEITEM NEAR TV_GetPrevItem(HTREEITEM);
HTREEITEM NEAR TV_GetPrevVisItem(HTREEITEM);
void NEAR TV_CalcShownItems(PTREE, HTREEITEM hItem);
void NEAR TV_OnSetFont(PTREE, HFONT, BOOL);
BOOL NEAR TV_SizeWnd(PTREE, UINT, UINT);
void NEAR TV_InvalidateItem(PTREE, HTREEITEM, UINT uFlags);
VOID NEAR PASCAL TV_CreateBoldFont(PTREE pTree) ;
LRESULT CALLBACK _export TV_EditWndProc(HWND, UINT, WPARAM, LPARAM);
LRESULT CALLBACK _export TV_WndProc(HWND, UINT, WPARAM, LPARAM);
BOOL FAR TV_Init(HINSTANCE hinst);
void FAR TV_Terminate(BOOL fSystemExit);
LRESULT NEAR TV_Timer (PTREE pTree, UINT uTimerId);
HWND NEAR TV_OnEditLabel (PTREE pTree, HTREEITEM hItem);
void NEAR TV_SetEditSize (PTREE pTree);
BOOL NEAR TV_DismissEdit (PTREE pTree, BOOL fCancel);
void NEAR TV_CancelPendingEdit (PTREE pTree);
int NEAR TV_UpdateShownIndexes (PTREE pTree, HTREEITEM hWalk);