mirror of
https://github.com/reactos/reactos.git
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309 lines
8.8 KiB
C
309 lines
8.8 KiB
C
/*
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* ReactOS regedit
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*
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* treeview.c
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*
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* Copyright (C) 2002 Robert Dickenson <robd@reactos.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifdef _MSC_VER
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#include "stdafx.h"
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#else
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#define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers
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#include <windows.h>
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#include <commctrl.h>
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#include <stdlib.h>
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#include <malloc.h>
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#include <memory.h>
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#include <tchar.h>
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#include <process.h>
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#include <stdio.h>
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#endif
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#include <windowsx.h>
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#include <assert.h>
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#define ASSERT assert
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#include "main.h"
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#include "treeview.h"
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// Global variables and constants
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// Image_Open, Image_Closed, and Image_Root - integer variables for
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// indexes of the images.
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// CX_BITMAP and CY_BITMAP - width and height of an icon.
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// NUM_BITMAPS - number of bitmaps to add to the image list.
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int Image_Open;
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int Image_Closed;
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int Image_Root;
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#define CX_BITMAP 16
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#define CY_BITMAP 16
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#define NUM_BITMAPS 3
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// AddItemToTree - adds items to a tree view control.
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// Returns the handle to the newly added item.
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// hwndTV - handle to the tree view control.
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// lpszItem - text of the item to add.
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// nLevel - level at which to add the item.
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HTREEITEM AddItemToTree(HWND hwndTV, LPTSTR lpszItem, int nLevel)
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{
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TVITEM tvi;
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TVINSERTSTRUCT tvins;
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static HTREEITEM hPrev = (HTREEITEM)TVI_FIRST;
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static HTREEITEM hPrevRootItem = NULL;
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static HTREEITEM hPrevLev2Item = NULL;
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HTREEITEM hti;
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tvi.mask = TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_CHILDREN | TVIF_PARAM;
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// Set the text of the item.
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tvi.pszText = lpszItem;
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tvi.cchTextMax = lstrlen(lpszItem);
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// Assume the item is not a parent item, so give it an image.
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tvi.iImage = Image_Root;
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tvi.iSelectedImage = Image_Root;
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tvi.cChildren = 1;
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// Save the heading level in the item's application-defined data area.
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tvi.lParam = (LPARAM)nLevel;
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tvins.item = tvi;
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tvins.hInsertAfter = hPrev;
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// Set the parent item based on the specified level.
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if (nLevel == 1)
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tvins.hParent = TVI_ROOT;
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else if (nLevel == 2)
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tvins.hParent = hPrevRootItem;
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else
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tvins.hParent = hPrevLev2Item;
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// Add the item to the tree view control.
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hPrev = (HTREEITEM)SendMessage(hwndTV, TVM_INSERTITEM, 0, (LPARAM)(LPTVINSERTSTRUCT)&tvins);
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// Save the handle to the item.
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if (nLevel == 1)
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hPrevRootItem = hPrev;
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else if (nLevel == 2)
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hPrevLev2Item = hPrev;
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// The new item is a child item. Give the parent item a
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// closed folder bitmap to indicate it now has child items.
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if (nLevel > 1) {
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hti = TreeView_GetParent(hwndTV, hPrev);
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tvi.mask = TVIF_IMAGE | TVIF_SELECTEDIMAGE;
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tvi.hItem = hti;
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tvi.iImage = Image_Closed;
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tvi.iSelectedImage = Image_Closed;
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TreeView_SetItem(hwndTV, &tvi);
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}
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return hPrev;
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}
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static void init_output(HWND hWnd)
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{
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// TCHAR b[16];
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// HFONT old_font;
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HDC hdc = GetDC(hWnd);
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// if (GetNumberFormat(LOCALE_USER_DEFAULT, 0, _T("1000"), 0, b, 16) > 4)
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// Globals.num_sep = b[1];
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// else
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// Globals.num_sep = _T('.');
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// old_font = SelectFont(hdc, Globals.hFont);
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// GetTextExtentPoint32(hdc, _T(" "), 1, &Globals.spaceSize);
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// SelectFont(hdc, old_font);
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ReleaseDC(hWnd, hdc);
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}
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/*
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HTREEITEM AddEntryToTree(HWND hwndTV, Entry* entry)
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{
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HTREEITEM hItem = 0;
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return hItem;
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}
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*/
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static BOOL InitTreeViewItems(HWND hwndTV)
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{
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HTREEITEM hItem;
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hItem = AddItemToTree(hwndTV, _T("My Computer"), 1);
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AddItemToTree(hwndTV, _T("HKEY_CLASSES_ROOT"), 2);
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AddItemToTree(hwndTV, _T("HKEY_CURRENT_USER"), 2);
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AddItemToTree(hwndTV, _T("HKEY_LOCAL_MACHINE"), 2);
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AddItemToTree(hwndTV, _T("HKEY_USERS"), 2);
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AddItemToTree(hwndTV, _T("HKEY_CURRENT_CONFIG"), 2);
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TreeView_Expand(hwndTV, hItem, TVE_EXPAND);
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return TRUE;
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}
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// InitTreeViewImageLists - creates an image list, adds three bitmaps
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// to it, and associates the image list with a tree view control.
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// Returns TRUE if successful, or FALSE otherwise.
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// hwndTV - handle to the tree view control.
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static BOOL InitTreeViewImageLists(HWND hwndTV)
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{
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HIMAGELIST himl; // handle to image list
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HBITMAP hbmp; // handle to bitmap
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// Create the image list.
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if ((himl = ImageList_Create(CX_BITMAP, CY_BITMAP,
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FALSE, NUM_BITMAPS, 0)) == NULL)
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return FALSE;
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// Add the open file, closed file, and document bitmaps.
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hbmp = LoadBitmap(hInst, MAKEINTRESOURCE(IDB_OPEN_FILE));
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Image_Open = ImageList_Add(himl, hbmp, (HBITMAP) NULL);
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DeleteObject(hbmp);
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hbmp = LoadBitmap(hInst, MAKEINTRESOURCE(IDB_CLOSED_FILE));
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Image_Closed = ImageList_Add(himl, hbmp, (HBITMAP) NULL);
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DeleteObject(hbmp);
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hbmp = LoadBitmap(hInst, MAKEINTRESOURCE(IDB_ROOT));
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Image_Root = ImageList_Add(himl, hbmp, (HBITMAP) NULL);
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DeleteObject(hbmp);
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// Fail if not all of the images were added.
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if (ImageList_GetImageCount(himl) < 3)
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return FALSE;
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// Associate the image list with the tree view control.
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TreeView_SetImageList(hwndTV, himl, TVSIL_NORMAL);
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return TRUE;
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}
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#ifndef _MSC_VER
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#define NMTVDISPINFO TV_DISPINFO
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#define NMTVDISPINFO TV_DISPINFO
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#endif
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static void OnGetDispInfo(NMTVDISPINFO* ptvdi)
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{
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/*
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Entry* entry = (Entry*)ptvdi->item.lParam;
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ASSERT(entry);
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if (ptvdi->item.mask & TVIF_CHILDREN ) {
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ptvdi->item.cChildren = 5;
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}
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if (ptvdi->item.mask & TVIF_IMAGE) {
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ptvdi->item.iImage = Image_Root;
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}
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if (ptvdi->item.mask & TVIF_SELECTEDIMAGE) {
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ptvdi->item.iSelectedImage = Image_Closed;
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}
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if (ptvdi->item.mask & TVIF_TEXT) {
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ptvdi->item.pszText = entry->data.cFileName;
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ptvdi->item.cchTextMax = lstrlen(entry->data.cFileName);
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}
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static BOOL OnExpand(int flag, HTREEITEM* pti)
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{
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TRACE(_T("TreeWndProc(...) OnExpand()\n"));
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return TRUE;
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}
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static BOOL OnExpanding(HWND hWnd, NMTREEVIEW* pnmtv)
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{
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static int expanding;
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if (expanding) return FALSE;
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expanding = TRUE;
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expanding = FALSE;
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return TRUE;
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}
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*/
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}
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/*
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static BOOL OnSelChanged(NMTREEVIEW* pnmtv)
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{
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LPARAM parm = pnmtv->itemNew.lParam;
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ChildWnd* child = (ChildWnd*)pnmtv->itemNew.lParam;
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return TRUE;
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}
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*/
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////////////////////////////////////////////////////////////////////////////////
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static WNDPROC g_orgTreeWndProc;
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static LRESULT CALLBACK TreeWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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// ChildWnd* child = (ChildWnd*)GetWindowLong(GetParent(hWnd), GWL_USERDATA);
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// Pane* pane = (Pane*)GetWindowLong(hWnd, GWL_USERDATA);
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// ASSERT(child);
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switch (message) {
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default:
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break;
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}
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return CallWindowProc(g_orgTreeWndProc, hWnd, message, wParam, lParam);
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}
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// CreateTreeView - creates a tree view control.
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// Returns the handle to the new control if successful,
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// or NULL otherwise.
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// hwndParent - handle to the control's parent window.
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HWND CreateTreeView(HWND hwndParent/*, Pane* pane*/, int id, LPTSTR lpszPathName)
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{
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RECT rcClient; // dimensions of client area
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HWND hwndTV; // handle to tree view control
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// static int s_init = 0;
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// Entry* entry = pane->root;
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// pane->treePane = 1;
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// Get the dimensions of the parent window's client area, and create
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// the tree view control.
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GetClientRect(hwndParent, &rcClient);
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hwndTV = CreateWindowEx(0, WC_TREEVIEW, _T("Tree View"),
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WS_VISIBLE | WS_CHILD | WS_BORDER | TVS_HASLINES | TVS_HASBUTTONS | TVS_LINESATROOT,
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0, 0, rcClient.right, rcClient.bottom,
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hwndParent, (HMENU)id, hInst, NULL);
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// Initialize the image list, and add items to the control.
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if (!InitTreeViewImageLists(hwndTV) || !InitTreeViewItems(hwndTV)) {
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DestroyWindow(hwndTV);
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return NULL;
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}
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SetWindowLong(hwndTV, GWL_USERDATA, (LPARAM)0);
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g_orgTreeWndProc = SubclassWindow(hwndTV, TreeWndProc);
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//SendMessage(hwndTV, WM_SETFONT, (WPARAM)Globals.hFont, FALSE);
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// insert entries into treectrl
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// if (entry) {
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// insert_tree_entries(hwndTV, entry, 0);
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// }
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// calculate column widths
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// if (!s_init) {
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// s_init = 1;
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// init_output(hwndTV);
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// }
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return hwndTV;
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}
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