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