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reactos/rosapps/winfile/treeview.c

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/*
* ReactOS winfile
*
* treeview.c
*
* Copyright (C) 2002 Robert Dickenson <robd@reactos.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifdef _MSC_VER
#include "stdafx.h"
#else
#define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers
#include <windows.h>
#include <commctrl.h>
#include <stdlib.h>
#include <malloc.h>
#include <memory.h>
#include <tchar.h>
#include <process.h>
#include <stdio.h>
#endif
#include <windowsx.h>
#include <shellapi.h>
#include <ctype.h>
#include <assert.h>
#define ASSERT assert
#include "main.h"
#include "treeview.h"
#include "entries.h"
#include "utils.h"
#include "trace.h"
// Global variables and constants
// Image_Open, Image_Closed, and Image_Root - integer variables for indexes of the images.
// CX_BITMAP and CY_BITMAP - width and height of an icon.
// NUM_BITMAPS - number of bitmaps to add to the image list.
int Image_Open;
int Image_Closed;
int Image_Root;
#define CX_BITMAP 16
#define CY_BITMAP 16
#define NUM_BITMAPS 3
#if 0
/*
// AddItemToTree - adds items to a tree view control.
// Returns the handle to the newly added item.
// hwndTV - handle to the tree view control.
// lpszItem - text of the item to add.
// nLevel - level at which to add the item.
HTREEITEM AddItemToTree(HWND hwndTV, LPTSTR lpszItem, int nLevel)
{
TVITEM tvi;
TVINSERTSTRUCT tvins;
static HTREEITEM hPrev = (HTREEITEM)TVI_FIRST;
static HTREEITEM hPrevRootItem = NULL;
static HTREEITEM hPrevLev2Item = NULL;
HTREEITEM hti;
tvi.mask = TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_CHILDREN | TVIF_PARAM;
// Set the text of the item.
tvi.pszText = lpszItem;
tvi.cchTextMax = lstrlen(lpszItem);
// Assume the item is not a parent item, so give it an image.
tvi.iImage = Image_Root;
tvi.iSelectedImage = Image_Root;
tvi.cChildren = 1;
// Save the heading level in the item's application-defined data area.
tvi.lParam = (LPARAM)nLevel;
tvins.item = tvi;
tvins.hInsertAfter = hPrev;
// Set the parent item based on the specified level.
if (nLevel == 1)
tvins.hParent = TVI_ROOT;
else if (nLevel == 2)
tvins.hParent = hPrevRootItem;
else
tvins.hParent = hPrevLev2Item;
// Add the item to the tree view control.
hPrev = (HTREEITEM)SendMessage(hwndTV, TVM_INSERTITEM, 0, (LPARAM)(LPTVINSERTSTRUCT)&tvins);
// Save the handle to the item.
if (nLevel == 1)
hPrevRootItem = hPrev;
else if (nLevel == 2)
hPrevLev2Item = hPrev;
// The new item is a child item. Give the parent item a
// closed folder bitmap to indicate it now has child items.
if (nLevel > 1) {
hti = TreeView_GetParent(hwndTV, hPrev);
tvi.mask = TVIF_IMAGE | TVIF_SELECTEDIMAGE;
tvi.hItem = hti;
tvi.iImage = Image_Closed;
tvi.iSelectedImage = Image_Closed;
TreeView_SetItem(hwndTV, &tvi);
}
return hPrev;
}
*/
#endif
static void init_output(HWND hWnd)
{
TCHAR b[16];
HFONT old_font;
HDC hdc = GetDC(hWnd);
if (GetNumberFormat(LOCALE_USER_DEFAULT, 0, _T("1000"), 0, b, 16) > 4)
Globals.num_sep = b[1];
else
Globals.num_sep = _T('.');
old_font = SelectFont(hdc, Globals.hFont);
GetTextExtentPoint32(hdc, _T(" "), 1, &Globals.spaceSize);
SelectFont(hdc, old_font);
ReleaseDC(hWnd, hdc);
}
HTREEITEM AddEntryToTree(HWND hwndTV, Entry* entry)
{
HTREEITEM hItem = 0;
TVITEM tvi;
TVINSERTSTRUCT tvins;
static HTREEITEM hPrev = (HTREEITEM)TVI_FIRST;
static HTREEITEM hPrevRootItem = NULL;
static HTREEITEM hPrevLev2Item = NULL;
//TRACE("AddEntryToTree(level:%u - %s)\n", entry->level, entry->data.cFileName);
tvi.mask = TVIF_TEXT | TVIF_IMAGE | TVIF_SELECTEDIMAGE | TVIF_CHILDREN | TVIF_PARAM;
/*
// Set the text of the item.
tvi.pszText = entry->data.cFileName;
tvi.cchTextMax = lstrlen(entry->data.cFileName);
// Assume the item is not a parent item, so give it an image.
tvi.iImage = Image_Root;
tvi.iSelectedImage = Image_Root;
tvi.cChildren = 1;
// Save the heading level in the item's application-defined data area.
//tvi.lParam = (LPARAM)entry->level;
*/
tvi.pszText = LPSTR_TEXTCALLBACK;
tvi.cchTextMax = 0;
tvi.iImage = I_IMAGECALLBACK;
tvi.iSelectedImage = I_IMAGECALLBACK;
tvi.cChildren = I_CHILDRENCALLBACK;
// Save the entry pointer in the item's application-defined data area.
tvi.lParam = (LPARAM)entry;
tvins.item = tvi;
tvins.hInsertAfter = hPrev;
// Set the parent item based on the specified level.
if (entry->level == 0) {
tvins.hParent = TVI_ROOT;
} else if (entry->level == 1) {
tvins.hParent = hPrevRootItem;
} else {
tvins.hParent = hPrevLev2Item;
if (hPrevLev2Item) {
tvins.hParent = entry->up->hTreeItem;
}
}
// Add the item to the tree view control.
hPrev = (HTREEITEM)SendMessage(hwndTV, TVM_INSERTITEM, 0, (LPARAM)(LPTVINSERTSTRUCT)&tvins);
// Save the handle to the item.
if (entry->level == 0)
hPrevRootItem = hPrev;
else if (entry->level == 1)
hPrevLev2Item = hPrev;
/*
// The new item is a child item. Give the parent item a
// closed folder bitmap to indicate it now has child items.
if (entry->level > 1) {
HTREEITEM hti;
hti = TreeView_GetParent(hwndTV, hPrev);
tvi.mask = TVIF_IMAGE | TVIF_SELECTEDIMAGE;
tvi.hItem = hti;
tvi.iImage = Image_Closed;
tvi.iSelectedImage = Image_Closed;
TreeView_SetItem(hwndTV, &tvi);
}
*/
hItem = hPrev;
return hItem;
}
static BOOL InitTreeViewItems(HWND hwndTV)
{
return TRUE;
}
// insert treectrl entries after index idx
static void insert_tree_entries(HWND hWnd, Entry* entry, int idx)
{
static HTREEITEM hItemVisible;
static int hItemVisibleIdx;
if (!entry)
return;
if (entry->hTreeItem)
return;
ShowWindow(hWnd, SW_HIDE);
for(; entry; entry=entry->next) {
#ifndef _LEFT_FILES
if (!(entry->data.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY))
continue;
#endif
// don't display entries "." and ".." in the left pane
if ((entry->data.dwFileAttributes&FILE_ATTRIBUTE_DIRECTORY) && entry->data.cFileName[0]==_T('.')) {
if (entry->data.cFileName[1] == _T('\0') ||
(entry->data.cFileName[1] == _T('.') &&
entry->data.cFileName[2] == _T('\0'))) {
continue;
}
}
// if (idx != -1)
// idx++;
// ListBox_InsertItemData(hWnd, idx, entry);
//TRACE("Adding item %u [level:%u] - %s\n", ++idx, entry->level, entry->data.cFileName);
if (entry->hTreeItem) continue;
entry->hTreeItem = AddEntryToTree(hWnd, entry);
if (entry->expanded) {
insert_tree_entries(hWnd, entry->down, idx + 1);
TreeView_Expand(hWnd, entry->hTreeItem, TVE_EXPAND);
}
if (idx > hItemVisibleIdx) {
hItemVisibleIdx = idx;
hItemVisible = entry->hTreeItem;
}
}
if (hItemVisible && idx == 0) {
TreeView_SelectSetFirstVisible(hWnd, hItemVisible);
}
ShowWindow(hWnd, SW_SHOW);
}
// InitTreeViewImageLists - creates an image list, adds three bitmaps
// to it, and associates the image list with a tree view control.
// Returns TRUE if successful, or FALSE otherwise.
// hwndTV - handle to the tree view control.
static BOOL InitTreeViewImageLists(HWND hwndTV)
{
HIMAGELIST himl; // handle to image list
HBITMAP hbmp; // handle to bitmap
// Create the image list.
if ((himl = ImageList_Create(CX_BITMAP, CY_BITMAP,
FALSE, NUM_BITMAPS, 0)) == NULL)
return FALSE;
// Add the open file, closed file, and document bitmaps.
hbmp = LoadBitmap(hInst, MAKEINTRESOURCE(IDB_FOLDER_RED));
Image_Open = ImageList_Add(himl, hbmp, (HBITMAP) NULL);
DeleteObject(hbmp);
hbmp = LoadBitmap(hInst, MAKEINTRESOURCE(IDB_FOLDER_OPEN));
Image_Closed = ImageList_Add(himl, hbmp, (HBITMAP) NULL);
DeleteObject(hbmp);
hbmp = LoadBitmap(hInst, MAKEINTRESOURCE(IDB_FOLDER));
Image_Root = ImageList_Add(himl, hbmp, (HBITMAP) NULL);
DeleteObject(hbmp);
// Fail if not all of the images were added.
if (ImageList_GetImageCount(himl) < 3)
return FALSE;
// Associate the image list with the tree view control.
TreeView_SetImageList(hwndTV, himl, TVSIL_NORMAL);
return TRUE;
}
BOOL OnTreeExpanding(HWND hwndTV, NMTREEVIEW* pnmtv)
{
static int expanding;
Entry* entry = (Entry*)pnmtv->itemNew.lParam;
if (expanding) return FALSE;
expanding = TRUE;
if (entry) {
insert_tree_entries(hwndTV, entry->down, 0);
// insert_tree_entries(hwndTV, entry, 0);
}
expanding = FALSE;
return TRUE;
}
#ifndef _MSC_VER
#define NMTVDISPINFO TV_DISPINFO
#define NMTVDISPINFO TV_DISPINFO
#endif
static void OnGetDispInfo(NMTVDISPINFO* ptvdi)
{
// static TCHAR buffer[200];
// LVITEM* pItem = &(ptvdi->item);
// Entry* entry = (Entry*)pItem->lParam;
Entry* entry = (Entry*)ptvdi->item.lParam;
ASSERT(entry);
if (ptvdi->item.mask & TVIF_CHILDREN ) {
ptvdi->item.cChildren = 5;
}
if (ptvdi->item.mask & TVIF_IMAGE) {
ptvdi->item.iImage = Image_Root;
}
if (ptvdi->item.mask & TVIF_SELECTEDIMAGE) {
ptvdi->item.iSelectedImage = Image_Closed;
}
if (ptvdi->item.mask & TVIF_TEXT) {
ptvdi->item.pszText = entry->data.cFileName;
ptvdi->item.cchTextMax = lstrlen(entry->data.cFileName);
}
}
// OnEndLabelEdit - processes the LVN_ENDLABELEDIT notification message.
// Returns TRUE if the label is changed, or FALSE otherwise.
static BOOL OnEndLabelEdit(NMTVDISPINFO* ptvdi)
{
// if (ptvdi->item.iItem == -1)
// return FALSE;
// Copy the new label text to the application-defined structure.
// lstrcpyn(rgPetInfo[ptvdi->item.iItem].szKind, ptvdi->item.pszText, 10);
return TRUE;
// To make a more robust application you should send an EM_LIMITTEXT
// message to the edit control to prevent the user from entering too
// many characters in the field.
}
void UpdateStatus(HWND hWnd, Entry* pEntry)
{
int file_count = 0;
int files_size = 0;
TCHAR suffix[10];
TCHAR number[50];
TCHAR Text[260];
while (pEntry) {
if (pEntry->data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
} else {
++file_count;
files_size += pEntry->data.nFileSizeLow;
}
pEntry = pEntry->next;
};
_tcscpy(suffix, _T(" bytes"));
{
NUMBERFMT numFmt;
memset(&numFmt, 0, sizeof(numFmt));
numFmt.NumDigits = 0;
numFmt.LeadingZero = 0;
numFmt.Grouping = 3;
numFmt.lpDecimalSep = _T(".");
numFmt.lpThousandSep = _T(",");
numFmt.NegativeOrder = 0;
wsprintf(Text, _T("%d"), files_size);
if (GetNumberFormat(LOCALE_USER_DEFAULT, 0, Text, &numFmt, number, sizeof(number))) {
wsprintf(Text, _T("Total %d file(s) (%s%s)"), file_count, number, suffix);
} else {
wsprintf(Text, _T("Total %d file(s) (%d%s)"), file_count, files_size, suffix);
}
SendMessage(Globals.hStatusBar, SB_SETTEXT, 1, (LPARAM)Text);
}
}
////////////////////////////////////////////////////////////////////////////////
static WNDPROC g_orgTreeWndProc;
static LRESULT CALLBACK TreeWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
ChildWnd* child = (ChildWnd*)GetWindowLong(GetParent(hWnd), GWL_USERDATA);
Pane* pane = (Pane*)GetWindowLong(hWnd, GWL_USERDATA);
ASSERT(child);
switch (message) {
#ifndef _NO_EXTENSIONS
case WM_HSCROLL:
set_header(pane);
break;
#endif
case WM_NOTIFY:
switch (((LPNMHDR)lParam)->code) {
// case TVM_EXPAND:
// OnTreeExpand((int)wParam, (HTREEITEM*)lParam);
// break;
case TVN_GETDISPINFO:
OnGetDispInfo((NMTVDISPINFO*)lParam);
break;
case TVN_ITEMEXPANDING:
return OnTreeExpanding(hWnd, (NMTREEVIEW*)lParam);
break;
case TVN_SELCHANGED:
UpdateStatus(hWnd, child->left.cur->down);
break;
// return OnSelChanged((NMTREEVIEW*)lParam);
// break;
#if 0
case TVN_SINGLEEXPAND:
TRACE("TreeWndProc(...) TVN_SINGLEEXPAND\n");
//lpnmtv = (LPNMTREEVIEW)lParam;
//return TVNRET_DEFAULT;
// return TVNRET_SKIPOLD; // Skip default processing of the item being unselected.
// return TVNRET_SKIPNEW; // Skip default processing of the item being selected.
break;
#endif
case TVN_ENDLABELEDIT:
return OnEndLabelEdit((NMTVDISPINFO*)lParam);
break;
}
return 0;
break;
case WM_SETFOCUS:
child->nFocusPanel = pane == &child->right? 1: 0;
//ListBox_SetSel(hWnd, TRUE, 1);
//TODO: check menu items
if (!child->nFocusPanel) {
UpdateStatus(hWnd, pane->cur);
}
break;
case WM_KEYDOWN:
if (wParam == VK_TAB) {
//TODO: SetFocus(Globals.hDriveBar)
SetFocus(child->nFocusPanel ? child->left.hWnd: child->right.hWnd);
}
break;
}
return CallWindowProc(g_orgTreeWndProc, hWnd, message, wParam, lParam);
}
// CreateTreeView - creates a tree view control.
// Returns the handle to the new control if successful, or NULL otherwise.
// hwndParent - handle to the control's parent window.
static HWND CreateTreeView(HWND hwndParent, int id)
{
RECT rcClient;
HWND hwndTV;
// Get the dimensions of the parent window's client area, and create the tree view control.
GetClientRect(hwndParent, &rcClient);
hwndTV = CreateWindowEx(0, WC_TREEVIEW, _T("Tree View"),
WS_VISIBLE | WS_CHILD | WS_BORDER | WS_EX_CLIENTEDGE | TVS_HASLINES | TVS_HASBUTTONS | TVS_LINESATROOT,
0, 0, rcClient.right, rcClient.bottom,
hwndParent, (HMENU)id, hInst, NULL);
// Initialize the image list, and add items to the control.
if (!InitTreeViewImageLists(hwndTV) || !InitTreeViewItems(hwndTV)) {
DestroyWindow(hwndTV);
return NULL;
}
return hwndTV;
}
//void create_tree_window(HWND parent, Pane* pane, int id, int id_header, LPTSTR lpszFileName)
void CreateTreeWnd(HWND parent, Pane* pane, int id)
{
static int s_init = 0;
Entry* entry = pane->root;
pane->treePane = 1;
pane->hWnd = CreateTreeView(parent, id);
SetWindowLong(pane->hWnd, GWL_USERDATA, (LPARAM)pane);
g_orgTreeWndProc = SubclassWindow(pane->hWnd, TreeWndProc);
SendMessage(pane->hWnd, WM_SETFONT, (WPARAM)Globals.hFont, FALSE);
// insert entries into treectrl
if (entry) {
insert_tree_entries(pane->hWnd, entry, 0);
}
// calculate column widths
if (!s_init) {
s_init = 1;
init_output(pane->hWnd);
}
// calc_widths(pane, TRUE);
//#ifndef _NO_EXTENSIONS
// pane->hwndHeader = create_header(parent, pane, id_header);
//#endif
}
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