TreeViews are kind of useless

BlitzPlus Forums/BlitzPlus Programming/TreeViews are kind of useless

JoshK

(Posted 2004) [#1]

What is the point of CountTreeViewNodes() if you can't get the tree view nodes from the parent?

JoshK

(Posted 2004) [#2]

Link to MS docs:
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/shellcc/platform/commctls/treeview/messages/tvm_getnextitem.asp

Constants:

Const TV_FIRST = $1100
Const TVM_GETNEXTITEM = TV_FIRST + 10
Const TVM_GETITEMSTATE = TV_FIRST + 39
Const TVIS_EXPANDED = $20
Const TVGN_CARET = $9

;Const WC_TREEVIEW32A          "SysTreeView32"
;Const WC_TREEVIEW32W          L"SysTreeView32"
;Const WC_TREEVIEW             WINELIB_NAME_AW(WC_TREEVIEW)

Const TVSIL_NORMAL            =0
Const TVSIL_STATE             =2

;Const TV_FIRST                =$1100
Const TVM_INSERTITEM32A       =(TV_FIRST+0)
Const TVM_INSERTITEM32W       =(TV_FIRST+50)
;Const TVM_INSERTITEM          =WINELIB_NAME_AW(TVM_INSERTITEM)
Const TVM_DELETEITEM          =(TV_FIRST+1)
Const TVM_EXPAND              =(TV_FIRST+2)
Const TVM_GETITEMRECT         =(TV_FIRST+4)
Const TVM_GETCOUNT            =(TV_FIRST+5)
Const TVM_GETINDENT           =(TV_FIRST+6)
Const TVM_SETINDENT           =(TV_FIRST+7)
Const TVM_GETIMAGELIST        =(TV_FIRST+8)
Const TVM_SETIMAGELIST        =(TV_FIRST+9)
;Const TVM_GETNEXTITEM         =(TV_FIRST+10)
Const TVM_SELECTITEM          =(TV_FIRST+11)
Const TVM_GETITEM32A          =(TV_FIRST+12)
Const TVM_GETITEM32W          =(TV_FIRST+62)
;Const TVM_GETITEM             =WINELIB_NAME_AW(TVM_GETITEM)
Const TVM_SETITEM32A          =(TV_FIRST+13)
Const TVM_SETITEM32W          =(TV_FIRST+63)
;Const TVM_SETITEM             =WINELIB_NAME_AW(TVM_SETITEM)
Const TVM_EDITLABEL32A        =(TV_FIRST+14)
Const TVM_EDITLABEL32W        =(TV_FIRST+65)
;Const TVM_EDITLABEL           =WINELIB_NAME_AW(TVM_EDITLABEL)
Const TVM_GETEDITCONTROL      =(TV_FIRST+15)
Const TVM_GETVISIBLECOUNT     =(TV_FIRST+16)
Const TVM_HITTEST             =(TV_FIRST+17)
Const TVM_CREATEDRAGIMAGE     =(TV_FIRST+18)
Const TVM_SORTCHILDREN        =(TV_FIRST+19)
Const TVM_ENSUREVISIBLE       =(TV_FIRST+20)
Const TVM_SORTCHILDRENCB      =(TV_FIRST+21)
Const TVM_ENDEDITLABELNOW     =(TV_FIRST+22)
Const TVM_GETISEARCHSTRING32A =(TV_FIRST+23)
Const TVM_GETISEARCHSTRING32W =(TV_FIRST+64)
;Const TVM_GETISEARCHSTRING    =WINELIB_NAME_AW(TVM_GETISEARCHSTRING)
Const TVM_SETTOOLTIPS         =(TV_FIRST+24)
Const TVM_GETTOOLTIPS         =(TV_FIRST+25)
Const TVM_SETINSERTMARK       =(TV_FIRST+26)
Const TVM_SETITEMHEIGHT       =(TV_FIRST+27)
Const TVM_GETITEMHEIGHT       =(TV_FIRST+28)
Const TVM_SETBKCOLOR          =(TV_FIRST+29)
Const TVM_SETTEXTCOLOR        =(TV_FIRST+30)
Const TVM_GETBKCOLOR          =(TV_FIRST+31)
Const TVM_GETTEXTCOLOR        =(TV_FIRST+32)
Const TVM_SETSCROLLTIME       =(TV_FIRST+33)
Const TVM_GETSCROLLTIME       =(TV_FIRST+34)
Const TVM_SETINSERTMARKCOLOR  =(TV_FIRST+37)
Const TVM_GETINSERTMARKCOLOR  =(TV_FIRST+38)
;Const TVM_SETUNICODEFORMAT    =CCM_SETUNICODEFORMAT
;Const TVM_GETUNICODEFORMAT    =CCM_GETUNICODEFORMAT

Const TVN_FIRST               =-400
Const TVN_LAST                =-499

Const TVN_SELCHANGING         =(TVN_FIRST-1)
Const TVN_SELCHANGED          =(TVN_FIRST-2)
Const TVN_GETDISPINFO         =(TVN_FIRST-3)
Const TVN_SETDISPINFO         =(TVN_FIRST-4)
Const TVN_ITEMEXPANDING       =(TVN_FIRST-5)
Const TVN_ITEMEXPANDED        =(TVN_FIRST-6)
Const TVN_BEGINDRAG           =(TVN_FIRST-7)
Const TVN_BEGINRDRAG          =(TVN_FIRST-8)
Const TVN_DELETEITEM          =(TVN_FIRST-9)
Const TVN_BEGINLABELEDIT      =(TVN_FIRST-10)
Const TVN_ENDLABELEDIT        =(TVN_FIRST-11)
Const TVN_KEYDOWN             =(TVN_FIRST-12)
Const TVN_GETINFOTIPA         =(TVN_FIRST-13)
Const TVN_GETINFOTIPW         =(TVN_FIRST-14)
Const TVN_SINGLEEXPAND        =(TVN_FIRST-15)


Const TVN_SELCHANGINGW        =(TVN_FIRST-50)
Const TVN_SELCHANGEDW         =(TVN_FIRST-51)
Const TVN_GETDISPINFOW        =(TVN_FIRST-52)
Const TVN_SETDISPINFOW        =(TVN_FIRST-53)
Const TVN_ITEMEXPANDINGW      =(TVN_FIRST-54)
Const TVN_ITEMEXPANDEDW       =(TVN_FIRST-55)
Const TVN_BEGINDRAGW          =(TVN_FIRST-56)
Const TVN_BEGINRDRAGW         =(TVN_FIRST-57)
Const TVN_DELETEITEMW         =(TVN_FIRST-58)
Const TVN_BEGINLABELEDITW     =(TVN_FIRST-59)
Const TVN_ENDLABELEDITW       =(TVN_FIRST-60)



Const TVIF_TEXT             =$0001
Const TVIF_IMAGE            =$0002
Const TVIF_PARAM            =$0004
Const TVIF_STATE            =$0008
Const TVIF_HANDLE           =$0010
Const TVIF_SELECTEDIMAGE    =$0020
Const TVIF_CHILDREN         =$0040
Const TVIF_INTEGRAL         =$0080
Const TVIF_DI_SETITEM		  =$1000

Const TVI_ROOT              =-65536
Const TVI_FIRST             =-65535
Const TVI_LAST              =-65534
Const TVI_SORT              =-65533

Const TVIS_FOCUSED          =$0001
Const TVIS_SELECTED         =$0002
Const TVIS_CUT              =$0004
Const TVIS_DROPHILITED      =$0008
Const TVIS_BOLD             =$0010
;Const TVIS_EXPANDED         =$0020
Const TVIS_EXPANDEDONCE     =$0040
Const TVIS_OVERLAYMASK      =$0f00
Const TVIS_STATEIMAGEMASK   =$f000
Const TVIS_USERMASK         =$f000

Const TVHT_NOWHERE          =$0001
Const TVHT_ONITEMICON       =$0002
Const TVHT_ONITEMLABEL      =$0004
Const TVHT_ONITEMINDENT     =$0008
Const TVHT_ONITEMBUTTON     =$0010
Const TVHT_ONITEMRIGHT      =$0020
Const TVHT_ONITEMSTATEICON  =$0040
Const TVHT_ONITEM           =$0046
Const TVHT_ABOVE            =$0100
Const TVHT_BELOW            =$0200
Const TVHT_TORIGHT          =$0400
Const TVHT_TOLEFT           =$0800

Const TVS_HASBUTTONS        =$0001
Const TVS_HASLINES          =$0002
Const TVS_LINESATROOT       =$0004
Const TVS_EDITLABELS        =$0008
Const TVS_DISABLEDRAGDROP   =$0010
Const TVS_SHOWSELALWAYS     =$0020
Const TVS_RTLREADING        =$0040
Const TVS_NOTOOLTIPS        =$0080
Const TVS_CHECKBOXES        =$0100
Const TVS_TRACKSELECT       =$0200
Const TVS_SINGLEEXPAND 	  =$0400
Const TVS_INFOTIP      	  =$0800
Const TVS_FULLROWSELECT	  =$1000
Const TVS_NOSCROLL     	  =$2000
Const TVS_NONEVENHEIGHT	  =$4000

Const TVS_SHAREDIMAGELISTS  =$0000
Const TVS_PRIVATEIMAGELISTS =$0400


Const TVE_COLLAPSE          =$0001
Const TVE_EXPAND            =$0002
Const TVE_TOGGLE            =$0003
Const TVE_EXPANDPARTIAL     =$4000
Const TVE_COLLAPSERESET     =$8000

Const TVGN_ROOT             =0
Const TVGN_NEXT             =1
Const TVGN_PREVIOUS         =2
Const TVGN_PARENT           =3
Const TVGN_CHILD            =4
Const TVGN_FIRSTVISIBLE     =5
Const TVGN_NEXTVISIBLE      =6
Const TVGN_PREVIOUSVISIBLE  =7
Const TVGN_DROPHILITE       =8
;Const TVGN_CARET            =9
Const TVGN_LASTVISIBLE      =10

Const TVC_UNKNOWN           =$00
Const TVC_BYMOUSE           =$01
Const TVC_BYKEYBOARD        =$02

Example code:

Get the windows handle of the first tree view node:
node=SendMessage(QueryObject(tree,1), TVM_GETNEXTITEM, TVGN_CHILD, 0)
Get a sibling:
sibnode=SendMessage(QueryObject(tree,1), TVM_GETNEXTITEM, TVGN_NEXT,node)

Lattyware

(Posted 2004) [#3]

I've just turned it into a new bit of code I made, a directory view:

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; 																	  ;;;	
;;; Directory View - Made By Lattyware 									  ;;;
;;; //www.lattyware.com\\												  ;;;
;;; Note this is not a gadget, just a function (or two).				  ;;;	
;;; 																	  ;;;	
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; 																	  ;;;
;;; CreateDirectoryView(group,directory,x,y,width,height,viewfiles) 	  ;;;
;;; 																	  ;;;
;;; Paramaters:															  ;;;
;;; group - A group gadget handle.										  ;;;
;;; directory - The directory to dig down from							  ;;;
;;; x,y,width,height - shape of the gadget.								  ;;;
;;; viewfiles - True to view files and folders, False for just folders.   ;;;
;;;																		  ;;;
;;; Description:														  ;;;
;;; Creates a directory browser.										  ;;;
;;;																		  ;;;
;;; Example:                                                              ;;;
;;;																		  ;;;
;;; window=CreateWindow("Directory Browser",0,0,800,600,0,1)			  ;;;
;;; CreateDirectoryView(window,"C:\",50,50,650,450,True)                  ;;;
;;; While Not id=$803													  ;;;
;;; id=WaitEvent()														  ;;;
;;; Wend															      ;;;
;;; End																	  ;;;
;;; 																	  ;;;															  ;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

; Below are the two functions to add if you wish to use.

Function CreateDirectoryView(window,drive$,startx,starty,width,height,viewfiles)
;Set up the screen.
main=CreateTreeView(startx,starty,width,height,window)
root1=TreeViewRoot(main)
folder=AddTreeViewNode(drive$,root1)
;End

AddFolderContents(drive$,file$,folder,viewfiles)

End Function

;End of the first function, now for the second.

Function  AddFolderContents(drive$,file$,folder,viewfiles)

dir=ReadDir(drive$+"\"+file$)

While MoreFiles(dir)

file2$=NextFile(dir)

If file2$ <> "." Then
If file2$ <> ".." Then 

If FileType(drive$+"\"+file$+"\"+file2$) = 2 Then

folder2=AddTreeViewNode(file2$,folder)

drive2$=drive$+"\"+file$

AddFolderContents(drive2$,file2$,folder2,viewfiles)

Else

If viewfiles=True Then folder2=AddTreeViewNode(file2$,folder)

EndIf

EndIf

EndIf

Wend

End Function
;END