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reactos/base/applications/regedit/listview.c

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/*
* Regedit listviews
*
* Copyright (C) 2002 Robert Dickenson <robd@reactos.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "regedit.h"
#define CX_ICON 16
#define CY_ICON 16
#define LISTVIEW_NUM_ICONS 2
int Image_String = 0;
int Image_Bin = 0;
INT iListViewSelect = -1;
typedef struct tagLINE_INFO
{
DWORD dwValType;
LPWSTR name;
void* val;
size_t val_len;
} LINE_INFO, *PLINE_INFO;
typedef struct tagSORT_INFO
{
INT iSortingColumn;
BOOL bSortAscending;
} SORT_INFO, *PSORT_INFO;
/*******************************************************************************
* Global and Local Variables:
*/
static INT g_iSortedColumn = 0;
#define MAX_LIST_COLUMNS (IDS_LIST_COLUMN_LAST - IDS_LIST_COLUMN_FIRST + 1)
static const int default_column_widths[MAX_LIST_COLUMNS] = { 200, 175, 400 };
static const int column_alignment[MAX_LIST_COLUMNS] = { LVCFMT_LEFT, LVCFMT_LEFT, LVCFMT_LEFT };
LPCWSTR GetValueName(HWND hwndLV, int iStartAt)
{
int item;
LVITEMW LVItem;
PLINE_INFO lineinfo;
/*
if a new item is inserted, then no allocation,
otherwise the heap block will be lost!
*/
item = ListView_GetNextItem(hwndLV, iStartAt, LVNI_SELECTED);
if (item == -1) return NULL;
/*
Should be always TRUE anyways
*/
LVItem.iItem = item;
LVItem.iSubItem = 0;
LVItem.mask = LVIF_PARAM;
if (ListView_GetItem(hwndLV, &LVItem) == FALSE)
return NULL;
lineinfo = (PLINE_INFO)LVItem.lParam;
if (lineinfo == NULL)
return NULL;
return lineinfo->name;
}
VOID SetValueName(HWND hwndLV, LPCWSTR pszValueName)
{
INT i, c;
LVFINDINFOW fi;
c = ListView_GetItemCount(hwndLV);
for(i = 0; i < c; i++)
{
ListView_SetItemState(hwndLV, i, 0, LVIS_FOCUSED | LVIS_SELECTED);
}
if (pszValueName == NULL)
i = 0;
else
{
fi.flags = LVFI_STRING;
fi.psz = pszValueName;
i = ListView_FindItem(hwndLV, -1, &fi);
}
ListView_SetItemState(hwndLV, i, LVIS_FOCUSED | LVIS_SELECTED,
LVIS_FOCUSED | LVIS_SELECTED);
iListViewSelect = i;
}
BOOL IsDefaultValue(HWND hwndLV, int i)
{
PLINE_INFO lineinfo;
LVITEMW Item;
Item.mask = LVIF_PARAM;
Item.iItem = i;
if(ListView_GetItem(hwndLV, &Item))
{
lineinfo = (PLINE_INFO)Item.lParam;
return lineinfo && (!lineinfo->name || !wcscmp(lineinfo->name, L""));
}
return FALSE;
}
/*******************************************************************************
* Local module support methods
*/
static void AddEntryToList(HWND hwndLV, LPWSTR Name, DWORD dwValType, void* ValBuf, DWORD dwCount, int Position, BOOL ValExists)
{
PLINE_INFO linfo;
LVITEMW item;
int index;
linfo = (PLINE_INFO)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(LINE_INFO) + dwCount);
linfo->dwValType = dwValType;
linfo->val_len = dwCount;
if (dwCount > 0)
{
memcpy(&linfo[1], ValBuf, dwCount);
linfo->val = &linfo[1];
}
linfo->name = _wcsdup(Name);
item.mask = LVIF_TEXT | LVIF_PARAM | LVIF_IMAGE;
item.iItem = (Position == -1 ? 0: Position);
item.iSubItem = 0;
item.state = 0;
item.stateMask = 0;
item.pszText = Name;
item.cchTextMax = (int)wcslen(item.pszText);
if (item.cchTextMax == 0)
item.pszText = LPSTR_TEXTCALLBACK;
item.iImage = 0;
item.lParam = (LPARAM)linfo;
switch(dwValType)
{
case REG_SZ:
case REG_EXPAND_SZ:
case REG_MULTI_SZ:
item.iImage = Image_String;
break;
default:
item.iImage = Image_Bin;
break;
}
/* item.lParam = (LPARAM)ValBuf; */
#if (_WIN32_IE >= 0x0300)
item.iIndent = 0;
#endif
index = ListView_InsertItem(hwndLV, &item);
if (index != -1)
{
switch (dwValType)
{
case REG_SZ:
case REG_EXPAND_SZ:
if(dwCount > 0)
{
ListView_SetItemText(hwndLV, index, 2, ValBuf);
}
else if(!ValExists)
{
WCHAR buffer[255];
/* load (value not set) string */
LoadStringW(hInst, IDS_VALUE_NOT_SET, buffer, COUNT_OF(buffer));
ListView_SetItemText(hwndLV, index, 2, buffer);
}
break;
case REG_MULTI_SZ:
{
LPWSTR src, str;
if(dwCount >= 2)
{
src = (LPWSTR)ValBuf;
str = HeapAlloc(GetProcessHeap(), 0, dwCount + sizeof(WCHAR));
if(str != NULL)
{
*str = L'\0';
/* concatenate all srings */
while(*src != L'\0')
{
wcscat(str, src);
wcscat(str, L" ");
src += wcslen(src) + 1;
}
ListView_SetItemText(hwndLV, index, 2, str);
HeapFree(GetProcessHeap(), 0, str);
}
else
ListView_SetItemText(hwndLV, index, 2, L"");
}
else
ListView_SetItemText(hwndLV, index, 2, L"");
}
break;
case REG_DWORD:
{
WCHAR buf[200];
if(dwCount == sizeof(DWORD))
{
wsprintf(buf, L"0x%08x (%u)", *(DWORD*)ValBuf, *(DWORD*)ValBuf);
}
else
{
LoadStringW(hInst, IDS_INVALID_DWORD, buf, COUNT_OF(buf));
}
ListView_SetItemText(hwndLV, index, 2, buf);
}
/* lpsRes = convertHexToDWORDStr(lpbData, dwLen); */
break;
default:
{
unsigned int i;
LPBYTE pData = (LPBYTE)ValBuf;
LPWSTR strBinary;
if(dwCount > 0)
{
strBinary = HeapAlloc(GetProcessHeap(), 0, (dwCount * sizeof(WCHAR) * 3) + sizeof(WCHAR));
for (i = 0; i < dwCount; i++)
{
wsprintf( strBinary + i*3, L"%02X ", pData[i] );
}
strBinary[dwCount * 3] = 0;
ListView_SetItemText(hwndLV, index, 2, strBinary);
HeapFree(GetProcessHeap(), 0, strBinary);
}
else
{
WCHAR szText[128];
LoadStringW(hInst, IDS_BINARY_EMPTY, szText, COUNT_OF(szText));
ListView_SetItemText(hwndLV, index, 2, szText);
}
}
break;
}
}
}
static BOOL CreateListColumns(HWND hWndListView)
{
WCHAR szText[50];
int index;
LVCOLUMN lvC;
/* Create columns. */
lvC.mask = LVCF_FMT | LVCF_WIDTH | LVCF_TEXT | LVCF_SUBITEM;
lvC.pszText = szText;
/* Load the column labels from the resource file. */
for (index = 0; index < MAX_LIST_COLUMNS; index++)
{
lvC.iSubItem = index;
lvC.cx = default_column_widths[index];
lvC.fmt = column_alignment[index];
LoadStringW(hInst, IDS_LIST_COLUMN_FIRST + index, szText, COUNT_OF(szText));
if (ListView_InsertColumn(hWndListView, index, &lvC) == -1) return FALSE;
}
return TRUE;
}
static BOOL InitListViewImageLists(HWND hwndLV)
{
HIMAGELIST himl; /* handle to image list */
HICON hico; /* handle to icon */
/* Create the image list. */
if ((himl = ImageList_Create(CX_ICON, CY_ICON,
ILC_MASK, 0, LISTVIEW_NUM_ICONS)) == NULL)
{
return FALSE;
}
hico = LoadIconW(hInst, MAKEINTRESOURCEW(IDI_BIN));
Image_Bin = ImageList_AddIcon(himl, hico);
hico = LoadIconW(hInst, MAKEINTRESOURCEW(IDI_STRING));
Image_String = ImageList_AddIcon(himl, hico);
/* Fail if not all of the images were added. */
if (ImageList_GetImageCount(himl) < LISTVIEW_NUM_ICONS)
{
return FALSE;
}
/* Associate the image list with the tree view control. */
(void)ListView_SetImageList(hwndLV, himl, LVSIL_SMALL);
return TRUE;
}
/* OnGetDispInfo - processes the LVN_GETDISPINFO notification message. */
static void OnGetDispInfo(NMLVDISPINFO* plvdi)
{
static WCHAR buffer[200];
plvdi->item.pszText = NULL;
plvdi->item.cchTextMax = 0;
switch (plvdi->item.iSubItem)
{
case 0:
LoadStringW(hInst, IDS_DEFAULT_VALUE_NAME, buffer, COUNT_OF(buffer));
plvdi->item.pszText = buffer;
break;
case 1:
switch (((LINE_INFO*)plvdi->item.lParam)->dwValType)
{
case REG_NONE:
plvdi->item.pszText = L"REG_NONE";
break;
case REG_SZ:
plvdi->item.pszText = L"REG_SZ";
break;
case REG_EXPAND_SZ:
plvdi->item.pszText = L"REG_EXPAND_SZ";
break;
case REG_BINARY:
plvdi->item.pszText = L"REG_BINARY";
break;
case REG_DWORD: /* REG_DWORD_LITTLE_ENDIAN */
plvdi->item.pszText = L"REG_DWORD";
break;
case REG_DWORD_BIG_ENDIAN:
plvdi->item.pszText = L"REG_DWORD_BIG_ENDIAN";
break;
case REG_LINK:
plvdi->item.pszText = L"REG_LINK";
break;
case REG_MULTI_SZ:
plvdi->item.pszText = L"REG_MULTI_SZ";
break;
case REG_RESOURCE_LIST:
plvdi->item.pszText = L"REG_RESOURCE_LIST";
break;
case REG_FULL_RESOURCE_DESCRIPTOR:
plvdi->item.pszText = L"REG_FULL_RESOURCE_DESCRIPTOR";
break;
case REG_RESOURCE_REQUIREMENTS_LIST:
plvdi->item.pszText = L"REG_RESOURCE_REQUIREMENTS_LIST";
break;
case REG_QWORD: /* REG_QWORD_LITTLE_ENDIAN */
plvdi->item.pszText = L"REG_QWORD";
break;
default:
{
WCHAR buf2[200];
LoadStringW(hInst, IDS_UNKNOWN_TYPE, buf2, COUNT_OF(buf2));
wsprintf(buffer, buf2, ((LINE_INFO*)plvdi->item.lParam)->dwValType);
plvdi->item.pszText = buffer;
break;
}
}
break;
case 3:
plvdi->item.pszText = L"";
break;
}
}
static int CALLBACK CompareFunc(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort)
{
PSORT_INFO pSortInfo = (PSORT_INFO)lParamSort;
LINE_INFO *l, *r;
DWORD dw1, dw2;
DWORDLONG qw1, qw2;
l = (LINE_INFO*)lParam1;
r = (LINE_INFO*)lParam2;
if (pSortInfo->iSortingColumn == 1 && l->dwValType != r->dwValType)
{
/* Sort by type */
if (pSortInfo->bSortAscending)
return ((int)l->dwValType - (int)r->dwValType);
else
return ((int)r->dwValType - (int)l->dwValType);
}
if (pSortInfo->iSortingColumn == 2)
{
/* Sort by value */
if (l->dwValType != r->dwValType)
{
if (pSortInfo->bSortAscending)
return ((int)l->dwValType - (int)r->dwValType);
else
return ((int)r->dwValType - (int)l->dwValType);
}
if (l->val == NULL && r->val == NULL)
return 0;
if (pSortInfo->bSortAscending)
{
if (l->val == NULL)
return -1;
if (r->val == NULL)
return 1;
}
else
{
if (l->val == NULL)
return 1;
if (r->val == NULL)
return -1;
}
switch(l->dwValType)
{
case REG_DWORD:
{
dw1 = *(DWORD*)l->val;
dw2 = *(DWORD*)r->val;
if (pSortInfo->bSortAscending)
// return (dw1 > dw2 ? 1 : -1);
return ((int)dw1 - (int)dw2);
else
// return (dw1 > dw2 ? -1 : 1);
return ((int)dw2 - (int)dw1);
}
case REG_QWORD: /* REG_QWORD_LITTLE_ENDIAN */
{
qw1 = *(DWORDLONG*)l->val;
qw2 = *(DWORDLONG*)r->val;
if (pSortInfo->bSortAscending)
// return (qw1 > qw2 ? 1 : -1);
return ((int)qw1 - (int)qw2);
else
// return (qw1 > qw2 ? -1 : 1);
return ((int)qw2 - (int)qw1);
}
default:
{
INT nCompare = 0;
if (pSortInfo->bSortAscending)
{
nCompare = memcmp(l->val, r->val, min(l->val_len, r->val_len));
if (nCompare == 0)
nCompare = l->val_len - r->val_len;
}
else
{
nCompare = memcmp(r->val, l->val, min(r->val_len, l->val_len));
if (nCompare == 0)
nCompare = r->val_len - l->val_len;
}
return nCompare;
}
}
}
/* Sort by name */
return (pSortInfo->bSortAscending ? StrCmpLogicalW(l->name, r->name) : StrCmpLogicalW(r->name, l->name));
}
static BOOL ListView_Sort(HWND hListView, int iSortingColumn, int iSortedColumn)
{
if (!(GetWindowLongPtr(hListView, GWL_STYLE) & LVS_NOSORTHEADER) &&
(iSortingColumn >= 0) )
{
BOOL bSortAscending;
SORT_INFO SortInfo;
HWND hHeader = ListView_GetHeader(hListView);
HDITEM hColumn = {0};
/* If we are sorting according to another column, uninitialize the old one */
if ( (iSortedColumn >= 0) && (iSortingColumn != iSortedColumn) )
{
hColumn.mask = HDI_FORMAT;
Header_GetItem(hHeader, iSortedColumn, &hColumn);
hColumn.fmt &= ~(HDF_SORTUP | HDF_SORTDOWN);
Header_SetItem(hHeader, iSortedColumn, &hColumn);
}
/* Get the sorting state of the new column */
hColumn.mask = HDI_FORMAT;
Header_GetItem(hHeader, iSortingColumn, &hColumn);
/*
* Check whether we are sorting the list because the user clicked
* on a column, or because we are refreshing the list:
*
* iSortedColumn >= 0 - User clicked on a column; holds the
* old sorting column index.
* iSortedColumn < 0 - List being refreshed.
*/
if (iSortedColumn >= 0)
{
/* Invert the sorting direction */
bSortAscending = ((hColumn.fmt & HDF_SORTUP) == 0);
}
else
{
/*
* If the sorting state of the column is uninitialized,
* initialize it by default to ascending sorting.
*/
if ((hColumn.fmt & (HDF_SORTUP | HDF_SORTDOWN)) == 0)
hColumn.fmt |= HDF_SORTUP;
/* Keep the same sorting direction */
bSortAscending = ((hColumn.fmt & HDF_SORTUP) != 0);
}
/* Set the new column sorting state */
hColumn.fmt &= ~(bSortAscending ? HDF_SORTDOWN : HDF_SORTUP );
hColumn.fmt |= (bSortAscending ? HDF_SORTUP : HDF_SORTDOWN);
Header_SetItem(hHeader, iSortingColumn, &hColumn);
/* Sort the list */
SortInfo.iSortingColumn = iSortingColumn;
SortInfo.bSortAscending = bSortAscending;
return ListView_SortItems(hListView, CompareFunc, (LPARAM)&SortInfo);
}
else
return TRUE;
}
BOOL ListWndNotifyProc(HWND hWnd, WPARAM wParam, LPARAM lParam, BOOL *Result)
{
NMLVDISPINFO* Info;
int iSortingColumn;
UNREFERENCED_PARAMETER(wParam);
*Result = TRUE;
switch (((LPNMHDR)lParam)->code)
{
case LVN_GETDISPINFO:
OnGetDispInfo((NMLVDISPINFO*)lParam);
return TRUE;
case LVN_COLUMNCLICK:
iSortingColumn = ((LPNMLISTVIEW)lParam)->iSubItem;
(void)ListView_Sort(hWnd, iSortingColumn, g_iSortedColumn);
g_iSortedColumn = iSortingColumn;
return TRUE;
case NM_DBLCLK:
case NM_RETURN:
{
SendMessageW(hFrameWnd, WM_COMMAND, MAKEWPARAM(ID_EDIT_MODIFY, 0), 0);
}
return TRUE;
case NM_SETFOCUS:
g_pChildWnd->nFocusPanel = 0;
break;
case LVN_BEGINLABELEDIT:
Info = (NMLVDISPINFO*)lParam;
if(Info)
{
PLINE_INFO lineinfo = (PLINE_INFO)Info->item.lParam;
if(!lineinfo->name || !wcscmp(lineinfo->name, L""))
{
*Result = TRUE;
}
else
{
*Result = FALSE;
}
}
else
*Result = TRUE;
return TRUE;
case LVN_ENDLABELEDIT:
Info = (NMLVDISPINFO*)lParam;
if(Info && Info->item.pszText)
{
PLINE_INFO lineinfo = (PLINE_INFO)Info->item.lParam;
if(!lineinfo->name || !wcscmp(lineinfo->name, L""))
{
*Result = FALSE;
}
else
{
if(wcslen(Info->item.pszText) == 0)
{
WCHAR msg[128], caption[128];
LoadStringW(hInst, IDS_ERR_RENVAL_TOEMPTY, msg, COUNT_OF(msg));
LoadStringW(hInst, IDS_ERR_RENVAL_CAPTION, caption, COUNT_OF(caption));
MessageBoxW(0, msg, caption, 0);
*Result = TRUE;
}
else
{
HKEY hKeyRoot;
LPCWSTR keyPath;
LONG lResult;
keyPath = GetItemPath(g_pChildWnd->hTreeWnd, 0, &hKeyRoot);
lResult = RenameValue(hKeyRoot, keyPath, Info->item.pszText, lineinfo->name);
lineinfo->name = realloc(lineinfo->name, (wcslen(Info->item.pszText)+1)*sizeof(WCHAR));
if (lineinfo->name != NULL)
wcscpy(lineinfo->name, Info->item.pszText);
*Result = TRUE;
return (lResult == ERROR_SUCCESS);
}
}
}
else
*Result = TRUE;
return TRUE;
}
return FALSE;
}
HWND CreateListView(HWND hwndParent, HMENU id)
{
RECT rcClient;
HWND hwndLV;
/* Get the dimensions of the parent window's client area, and create the list view control. */
GetClientRect(hwndParent, &rcClient);
hwndLV = CreateWindowExW(WS_EX_CLIENTEDGE, WC_LISTVIEW, L"List View",
WS_VISIBLE | WS_CHILD | WS_TABSTOP | LVS_REPORT | LVS_EDITLABELS | LVS_SHOWSELALWAYS,
0, 0, rcClient.right, rcClient.bottom,
hwndParent, id, hInst, NULL);
if (!hwndLV) return NULL;
/* Initialize the image list, and add items to the control. */
if (!CreateListColumns(hwndLV)) goto fail;
if (!InitListViewImageLists(hwndLV)) goto fail;
return hwndLV;
fail:
DestroyWindow(hwndLV);
return NULL;
}
void DestroyListView(HWND hwndLV)
{
INT count, i;
LVITEMW item;
count = ListView_GetItemCount(hwndLV);
for (i = 0; i < count; i++)
{
item.mask = LVIF_PARAM;
item.iItem = i;
(void)ListView_GetItem(hwndLV, &item);
free(((LINE_INFO*)item.lParam)->name);
HeapFree(GetProcessHeap(), 0, (void*)item.lParam);
}
}
BOOL RefreshListView(HWND hwndLV, HKEY hKey, LPCWSTR keyPath)
{
DWORD max_sub_key_len;
DWORD max_val_name_len;
DWORD max_val_size;
DWORD val_count;
HKEY hNewKey;
LONG errCode;
INT i, c;
BOOL AddedDefault = FALSE;
if (!hwndLV) return FALSE;
(void)ListView_EditLabel(hwndLV, -1);
SendMessageW(hwndLV, WM_SETREDRAW, FALSE, 0);
DestroyListView(hwndLV);
(void)ListView_DeleteAllItems(hwndLV);
if(!hKey) return FALSE;
errCode = RegOpenKeyExW(hKey, keyPath, 0, KEY_READ, &hNewKey);
if (errCode != ERROR_SUCCESS) return FALSE;
/* get size information and resize the buffers if necessary */
errCode = RegQueryInfoKeyW(hNewKey, NULL, NULL, NULL, NULL, &max_sub_key_len, NULL,
&val_count, &max_val_name_len, &max_val_size, NULL, NULL);
if (errCode == ERROR_SUCCESS)
{
WCHAR* ValName = HeapAlloc(GetProcessHeap(), 0, ++max_val_name_len * sizeof(WCHAR));
DWORD dwValNameLen = max_val_name_len;
BYTE* ValBuf = HeapAlloc(GetProcessHeap(), 0, max_val_size + sizeof(WCHAR));
DWORD dwValSize = max_val_size;
DWORD dwIndex = 0L;
DWORD dwValType;
/* if (RegQueryValueExW(hNewKey, NULL, NULL, &dwValType, ValBuf, &dwValSize) == ERROR_SUCCESS) { */
/* AddEntryToList(hwndLV, L"(Default)", dwValType, ValBuf, dwValSize); */
/* } */
/* dwValSize = max_val_size; */
while (RegEnumValueW(hNewKey, dwIndex, ValName, &dwValNameLen, NULL, &dwValType, ValBuf, &dwValSize) == ERROR_SUCCESS)
{
/* Add a terminating 0 character. Usually this is only necessary for strings. */
ValBuf[dwValSize] = ValBuf[dwValSize + 1] = 0;
AddEntryToList(hwndLV, ValName, dwValType, ValBuf, dwValSize, -1, TRUE);
dwValNameLen = max_val_name_len;
dwValSize = max_val_size;
dwValType = 0L;
++dwIndex;
if(!wcscmp(ValName, L""))
{
AddedDefault = TRUE;
}
}
HeapFree(GetProcessHeap(), 0, ValBuf);
HeapFree(GetProcessHeap(), 0, ValName);
}
RegCloseKey(hNewKey);
if(!AddedDefault)
{
AddEntryToList(hwndLV, L"", REG_SZ, NULL, 0, 0, FALSE);
}
c = ListView_GetItemCount(hwndLV);
for(i = 0; i < c; i++)
{
ListView_SetItemState(hwndLV, i, 0, LVIS_FOCUSED | LVIS_SELECTED);
}
ListView_SetItemState(hwndLV, iListViewSelect,
LVIS_FOCUSED | LVIS_SELECTED,
LVIS_FOCUSED | LVIS_SELECTED);
(void)ListView_Sort(hwndLV, g_iSortedColumn, -1);
SendMessageW(hwndLV, WM_SETREDRAW, TRUE, 0);
return TRUE;
}
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