Sweden-Number/programs/regedit/listview.c

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/*
* Regedit listviews
*
* Copyright (C) 2002 Robert Dickenson <robd@reactos.org>
* Copyright (C) 2008 Alexander N. Sørnes <alex@thehandofagony.com>
*
* 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 St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <windows.h>
#include <winternl.h>
#include <commctrl.h>
#include <stdlib.h>
#include "main.h"
#include "wine/heap.h"
static INT Image_String;
static INT Image_Binary;
/*******************************************************************************
* Global and Local Variables:
*/
DWORD g_columnToSort = ~0U;
BOOL g_invertSort = FALSE;
WCHAR *g_currentPath;
HKEY g_currentRootKey;
static WCHAR *g_valueName;
static WCHAR g_szValueNotSet[64];
#define MAX_LIST_COLUMNS (IDS_LIST_COLUMN_LAST - IDS_LIST_COLUMN_FIRST + 1)
static int default_column_widths[MAX_LIST_COLUMNS] = { 200, 175, 400 };
static int column_alignment[MAX_LIST_COLUMNS] = { LVCFMT_LEFT, LVCFMT_LEFT, LVCFMT_LEFT };
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LPWSTR GetItemText(HWND hwndLV, UINT item)
{
WCHAR *curStr;
unsigned int maxLen = 128;
if (item == 0) return NULL; /* first item is ALWAYS a default */
curStr = heap_xalloc(maxLen * sizeof(WCHAR));
do {
ListView_GetItemTextW(hwndLV, item, 0, curStr, maxLen);
if (lstrlenW(curStr) < maxLen - 1) return curStr;
maxLen *= 2;
curStr = heap_xrealloc(curStr, maxLen * sizeof(WCHAR));
} while (TRUE);
heap_free(curStr);
return NULL;
}
WCHAR *GetValueName(HWND hwndLV)
{
INT item;
if (g_valueName != LPSTR_TEXTCALLBACKW)
heap_free(g_valueName);
g_valueName = NULL;
item = SendMessageW(hwndLV, LVM_GETNEXTITEM, -1, MAKELPARAM(LVNI_FOCUSED, 0));
if (item == -1) return NULL;
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g_valueName = GetItemText(hwndLV, item);
return g_valueName;
}
BOOL update_listview_path(const WCHAR *path)
{
heap_free(g_currentPath);
g_currentPath = heap_xalloc((lstrlenW(path) + 1) * sizeof(WCHAR));
lstrcpyW(g_currentPath, path);
return TRUE;
}
/* convert '\0' separated string list into ',' separated string list */
static void MakeMULTISZDisplayable(LPWSTR multi)
{
do
{
for (; *multi; multi++)
;
if (*(multi+1))
{
*multi = ',';
multi++;
}
} while (*multi);
}
/*******************************************************************************
* Local module support methods
*/
void format_value_data(HWND hwndLV, int index, DWORD type, void *data, DWORD size)
{
switch (type)
{
case REG_SZ:
case REG_EXPAND_SZ:
ListView_SetItemTextW(hwndLV, index, 2, data ? data : g_szValueNotSet);
break;
case REG_DWORD:
case REG_DWORD_BIG_ENDIAN:
{
DWORD value = *(DWORD *)data;
WCHAR buf[64];
WCHAR format[] = {'0','x','%','0','8','x',' ','(','%','u',')',0};
if (type == REG_DWORD_BIG_ENDIAN)
value = RtlUlongByteSwap(value);
wsprintfW(buf, format, value, value);
ListView_SetItemTextW(hwndLV, index, 2, buf);
break;
}
case REG_MULTI_SZ:
MakeMULTISZDisplayable(data);
ListView_SetItemTextW(hwndLV, index, 2, data);
break;
case REG_BINARY:
case REG_NONE:
default:
{
unsigned int i;
BYTE *pData = data;
WCHAR *strBinary = heap_xalloc(size * sizeof(WCHAR) * 3 + sizeof(WCHAR));
WCHAR format[] = {'%','0','2','X',' ',0};
for (i = 0; i < size; i++)
wsprintfW( strBinary + i*3, format, pData[i] );
strBinary[size * 3] = 0;
ListView_SetItemTextW(hwndLV, index, 2, strBinary);
heap_free(strBinary);
break;
}
}
}
int AddEntryToList(HWND hwndLV, WCHAR *Name, DWORD dwValType, void *ValBuf, DWORD dwCount, int pos)
{
LINE_INFO *linfo;
LVITEMW item = { 0 };
int index;
linfo = heap_xalloc(sizeof(LINE_INFO));
linfo->dwValType = dwValType;
linfo->val_len = dwCount;
if (Name)
{
linfo->name = heap_xalloc((lstrlenW(Name) + 1) * sizeof(WCHAR));
lstrcpyW(linfo->name, Name);
}
else linfo->name = NULL;
if (ValBuf && dwCount)
{
linfo->val = heap_xalloc(dwCount);
memcpy(linfo->val, ValBuf, dwCount);
}
else linfo->val = NULL;
item.mask = LVIF_TEXT | LVIF_PARAM | LVIF_STATE | LVIF_IMAGE;
item.iItem = (pos == -1) ? SendMessageW(hwndLV, LVM_GETITEMCOUNT, 0, 0) : pos;
item.stateMask = LVIS_FOCUSED | LVIS_SELECTED;
item.pszText = Name ? Name : LPSTR_TEXTCALLBACKW;
item.cchTextMax = Name ? lstrlenW(item.pszText) : 0;
switch (dwValType)
{
case REG_SZ:
case REG_EXPAND_SZ:
case REG_MULTI_SZ:
item.iImage = Image_String;
break;
default:
item.iImage = Image_Binary;
break;
}
item.lParam = (LPARAM)linfo;
if ((index = ListView_InsertItemW(hwndLV, &item)) != -1)
format_value_data(hwndLV, index, dwValType, ValBuf, dwCount);
return index;
}
static BOOL InitListViewImageList(HWND hWndListView)
{
HIMAGELIST himl;
HICON hicon;
INT cx = GetSystemMetrics(SM_CXSMICON);
INT cy = GetSystemMetrics(SM_CYSMICON);
himl = ImageList_Create(cx, cy, ILC_MASK, 0, 2);
if (!himl)
return FALSE;
hicon = LoadImageW(hInst, MAKEINTRESOURCEW(IDI_STRING),
IMAGE_ICON, cx, cy, LR_DEFAULTCOLOR);
Image_String = ImageList_AddIcon(himl, hicon);
hicon = LoadImageW(hInst, MAKEINTRESOURCEW(IDI_BIN),
IMAGE_ICON, cx, cy, LR_DEFAULTCOLOR);
Image_Binary = ImageList_AddIcon(himl, hicon);
SendMessageW( hWndListView, LVM_SETIMAGELIST, LVSIL_SMALL, (LPARAM) himl );
/* fail if some of the icons failed to load */
if (ImageList_GetImageCount(himl) < 2)
return FALSE;
return TRUE;
}
static BOOL CreateListColumns(HWND hWndListView)
{
WCHAR szText[50];
int index;
LVCOLUMNW 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, ARRAY_SIZE(szText));
if (ListView_InsertColumnW(hWndListView, index, &lvC) == -1) return FALSE;
}
return TRUE;
}
/* OnGetDispInfo - processes the LVN_GETDISPINFO notification message. */
void OnGetDispInfo(NMLVDISPINFOW *plvdi)
{
static WCHAR buffer[200];
static WCHAR reg_szT[] = {'R','E','G','_','S','Z',0},
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reg_expand_szT[] = {'R','E','G','_','E','X','P','A','N','D','_','S','Z',0},
reg_binaryT[] = {'R','E','G','_','B','I','N','A','R','Y',0},
reg_dwordT[] = {'R','E','G','_','D','W','O','R','D',0},
reg_dword_big_endianT[] = {'R','E','G','_','D','W','O','R','D','_',
'B','I','G','_','E','N','D','I','A','N',0},
reg_multi_szT[] = {'R','E','G','_','M','U','L','T','I','_','S','Z',0},
reg_linkT[] = {'R','E','G','_','L','I','N','K',0},
reg_resource_listT[] = {'R','E','G','_','R','E','S','O','U','R','C','E','_','L','I','S','T',0},
reg_noneT[] = {'R','E','G','_','N','O','N','E',0},
emptyT[] = {0};
plvdi->item.pszText = NULL;
plvdi->item.cchTextMax = 0;
switch (plvdi->item.iSubItem) {
case 0:
plvdi->item.pszText = g_pszDefaultValueName;
break;
case 1:
{
DWORD data_type = ((LINE_INFO *)plvdi->item.lParam)->dwValType;
switch (data_type) {
case REG_SZ:
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plvdi->item.pszText = reg_szT;
break;
case REG_EXPAND_SZ:
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plvdi->item.pszText = reg_expand_szT;
break;
case REG_BINARY:
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plvdi->item.pszText = reg_binaryT;
break;
case REG_DWORD:
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plvdi->item.pszText = reg_dwordT;
break;
case REG_DWORD_BIG_ENDIAN:
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plvdi->item.pszText = reg_dword_big_endianT;
break;
case REG_MULTI_SZ:
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plvdi->item.pszText = reg_multi_szT;
break;
case REG_LINK:
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plvdi->item.pszText = reg_linkT;
break;
case REG_RESOURCE_LIST:
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plvdi->item.pszText = reg_resource_listT;
break;
case REG_NONE:
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plvdi->item.pszText = reg_noneT;
break;
default:
{
WCHAR fmt[] = {'0','x','%','x',0};
wsprintfW(buffer, fmt, data_type);
plvdi->item.pszText = buffer;
break;
}
}
break;
}
case 2:
plvdi->item.pszText = g_szValueNotSet;
break;
case 3:
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plvdi->item.pszText = emptyT;
break;
}
}
int CALLBACK CompareFunc(LPARAM lParam1, LPARAM lParam2, LPARAM lParamSort)
{
LINE_INFO*l, *r;
l = (LINE_INFO*)lParam1;
r = (LINE_INFO*)lParam2;
if (!l->name) return -1;
if (!r->name) return +1;
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if (g_columnToSort == ~0U)
g_columnToSort = 0;
if (g_columnToSort == 1)
return g_invertSort ? (int)r->dwValType - (int)l->dwValType : (int)l->dwValType - (int)r->dwValType;
if (g_columnToSort == 2) {
/* FIXME: Sort on value */
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return 0;
}
return g_invertSort ? lstrcmpiW(r->name, l->name) : lstrcmpiW(l->name, r->name);
}
HWND StartValueRename(HWND hwndLV)
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{
int item;
item = SendMessageW(hwndLV, LVM_GETNEXTITEM, -1, MAKELPARAM(LVNI_FOCUSED | LVNI_SELECTED, 0));
if (item < 1) { /* cannot rename default key */
MessageBeep(MB_ICONHAND);
return 0;
}
return (HWND)SendMessageW(hwndLV, LVM_EDITLABELW, item, 0);
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}
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HWND CreateListView(HWND hwndParent, UINT id)
{
RECT rcClient;
HWND hwndLV;
WCHAR ListView[] = {'L','i','s','t',' ','V','i','e','w',0};
/* prepare strings */
LoadStringW(hInst, IDS_REGISTRY_VALUE_NOT_SET, g_szValueNotSet, ARRAY_SIZE(g_szValueNotSet));
/* 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_LISTVIEWW, ListView,
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WS_VISIBLE | WS_CHILD | WS_TABSTOP | LVS_REPORT | LVS_EDITLABELS,
0, 0, rcClient.right, rcClient.bottom,
hwndParent, ULongToHandle(id), hInst, NULL);
if (!hwndLV) return NULL;
SendMessageW(hwndLV, LVM_SETUNICODEFORMAT, TRUE, 0);
SendMessageW(hwndLV, LVM_SETEXTENDEDLISTVIEWSTYLE, 0, LVS_EX_FULLROWSELECT);
/* Initialize the image list */
if (!InitListViewImageList(hwndLV)) goto fail;
if (!CreateListColumns(hwndLV)) goto fail;
return hwndLV;
fail:
DestroyWindow(hwndLV);
return NULL;
}
BOOL RefreshListView(HWND hwndLV, HKEY hKeyRoot, LPCWSTR keyPath, LPCWSTR highlightValue)
{
BOOL result = FALSE;
DWORD max_sub_key_len;
DWORD max_val_name_len, valNameLen;
DWORD max_val_size, valSize;
DWORD val_count, index, valType;
WCHAR* valName = 0;
BYTE* valBuf = 0;
HKEY hKey = 0;
LONG errCode;
LVITEMW item;
if (!hwndLV) return FALSE;
SendMessageW(hwndLV, WM_SETREDRAW, FALSE, 0);
errCode = RegOpenKeyExW(hKeyRoot, keyPath, 0, KEY_READ, &hKey);
if (errCode != ERROR_SUCCESS) goto done;
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g_columnToSort = ~0U;
SendMessageW(hwndLV, LVM_DELETEALLITEMS, 0, 0);
/* get size information and resize the buffers if necessary */
errCode = RegQueryInfoKeyW(hKey, NULL, NULL, NULL, NULL, &max_sub_key_len, NULL,
&val_count, &max_val_name_len, &max_val_size, NULL, NULL);
if (errCode != ERROR_SUCCESS) goto done;
/* account for the terminator char */
max_val_name_len++;
max_val_size++;
valName = heap_xalloc(max_val_name_len * sizeof(WCHAR));
valBuf = heap_xalloc(max_val_size);
valSize = max_val_size;
if (RegQueryValueExW(hKey, NULL, NULL, &valType, valBuf, &valSize) == ERROR_FILE_NOT_FOUND) {
AddEntryToList(hwndLV, NULL, REG_SZ, NULL, 0, -1);
}
for(index = 0; index < val_count; index++) {
valNameLen = max_val_name_len;
valSize = max_val_size;
valType = 0;
errCode = RegEnumValueW(hKey, index, valName, &valNameLen, NULL, &valType, valBuf, &valSize);
if (errCode != ERROR_SUCCESS) goto done;
valBuf[valSize] = 0;
AddEntryToList(hwndLV, valName[0] ? valName : NULL, valType, valBuf, valSize, -1);
}
memset(&item, 0, sizeof(item));
if (!highlightValue)
{
item.state = item.stateMask = LVIS_FOCUSED;
SendMessageW(hwndLV, LVM_SETITEMSTATE, 0, (LPARAM)&item);
}
SendMessageW(hwndLV, LVM_SORTITEMS, (WPARAM)hwndLV, (LPARAM)CompareFunc);
g_currentRootKey = hKeyRoot;
if (keyPath != g_currentPath && !update_listview_path(keyPath))
goto done;
result = TRUE;
done:
heap_free(valBuf);
heap_free(valName);
SendMessageW(hwndLV, WM_SETREDRAW, TRUE, 0);
if (hKey) RegCloseKey(hKey);
return result;
}