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wine/programs/regedit/childwnd.c

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/*
* Regedit child window
*
* 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 St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define WIN32_LEAN_AND_MEAN /* Exclude rarely-used stuff from Windows headers */
#include <windows.h>
#include <commctrl.h>
#include <stdio.h>
#include "main.h"
#include "regproc.h"
#include "wine/debug.h"
#include "wine/unicode.h"
WINE_DEFAULT_DEBUG_CHANNEL(regedit);
ChildWnd* g_pChildWnd;
static int last_split;
static const WCHAR wszLastKey[] = {'L','a','s','t','K','e','y',0};
static const WCHAR wszKeyName[] = {'S','o','f','t','w','a','r','e','\\',
'M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s','\\',
'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'A','p','p','l','e','t','s','\\','R','e','g','e','d','i','t',0};
/*******************************************************************************
* Local module support methods
*/
static LPCWSTR GetRootKeyName(HKEY hRootKey)
{
if(hRootKey == HKEY_CLASSES_ROOT)
return reg_class_namesW[INDEX_HKEY_CLASSES_ROOT];
if(hRootKey == HKEY_CURRENT_USER)
return reg_class_namesW[INDEX_HKEY_CURRENT_USER];
if(hRootKey == HKEY_LOCAL_MACHINE)
return reg_class_namesW[INDEX_HKEY_LOCAL_MACHINE];
if(hRootKey == HKEY_USERS)
return reg_class_namesW[INDEX_HKEY_USERS];
if(hRootKey == HKEY_CURRENT_CONFIG)
return reg_class_namesW[INDEX_HKEY_CURRENT_CONFIG];
if(hRootKey == HKEY_DYN_DATA)
return reg_class_namesW[INDEX_HKEY_DYN_DATA];
else
{
static const WCHAR unknown_key[] = {'U','N','K','N','O','W','N',' ','H','K','E','Y',',',' ',
'P','L','E','A','S','E',' ','R','E','P','O','R','T',0};
return unknown_key;
}
}
static void draw_splitbar(HWND hWnd, int x)
{
RECT rt;
HDC hdc = GetDC(hWnd);
GetClientRect(hWnd, &rt);
rt.left = x - SPLIT_WIDTH/2;
rt.right = x + SPLIT_WIDTH/2+1;
InvertRect(hdc, &rt);
ReleaseDC(hWnd, hdc);
}
static void ResizeWnd(int cx, int cy)
{
HDWP hdwp = BeginDeferWindowPos(2);
RECT rt = {0, 0, cx, cy};
cx = g_pChildWnd->nSplitPos + SPLIT_WIDTH/2;
DeferWindowPos(hdwp, g_pChildWnd->hTreeWnd, 0, rt.left, rt.top, g_pChildWnd->nSplitPos-SPLIT_WIDTH/2-rt.left, rt.bottom-rt.top, SWP_NOZORDER|SWP_NOACTIVATE);
DeferWindowPos(hdwp, g_pChildWnd->hListWnd, 0, rt.left+cx , rt.top, rt.right-cx, rt.bottom-rt.top, SWP_NOZORDER|SWP_NOACTIVATE);
EndDeferWindowPos(hdwp);
}
static void OnPaint(HWND hWnd)
{
PAINTSTRUCT ps;
RECT rt;
GetClientRect(hWnd, &rt);
BeginPaint(hWnd, &ps);
FillRect(ps.hdc, &rt, GetSysColorBrush(COLOR_BTNFACE));
EndPaint(hWnd, &ps);
}
static LPWSTR CombinePaths(LPCWSTR pPaths[], int nPaths) {
int i, len, pos;
LPWSTR combined;
for (i=0, len=0; i<nPaths; i++) {
if (pPaths[i] && *pPaths[i]) {
len += lstrlenW(pPaths[i])+1;
}
}
combined = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
*combined = '\0';
for (i=0, pos=0; i<nPaths; i++) {
if (pPaths[i] && *pPaths[i]) {
int llen = lstrlenW(pPaths[i]);
if (!*combined)
lstrcpyW(combined, pPaths[i]);
else {
combined[pos++] = '\\';
lstrcpyW(combined+pos, pPaths[i]);
}
pos += llen;
}
}
return combined;
}
static LPWSTR GetPathRoot(HWND hwndTV, HTREEITEM hItem, BOOL bFull) {
LPCWSTR parts[2] = {0,0};
WCHAR text[260];
HKEY hRootKey = NULL;
if (!hItem)
hItem = TreeView_GetSelection(hwndTV);
HeapFree(GetProcessHeap(), 0, GetItemPath(hwndTV, hItem, &hRootKey));
if (!bFull && !hRootKey)
return NULL;
if (hRootKey)
parts[1] = GetRootKeyName(hRootKey);
if (bFull) {
DWORD dwSize = sizeof(text)/sizeof(WCHAR);
GetComputerNameW(text, &dwSize);
parts[0] = text;
}
return CombinePaths(parts, 2);
}
LPWSTR GetItemFullPath(HWND hwndTV, HTREEITEM hItem, BOOL bFull) {
LPWSTR parts[2];
LPWSTR ret;
HKEY hRootKey = NULL;
parts[0] = GetPathRoot(hwndTV, hItem, bFull);
parts[1] = GetItemPath(hwndTV, hItem, &hRootKey);
ret = CombinePaths((LPCWSTR *)parts, 2);
HeapFree(GetProcessHeap(), 0, parts[0]);
HeapFree(GetProcessHeap(), 0, parts[1]);
return ret;
}
static LPWSTR GetPathFullPath(HWND hwndTV, LPWSTR path) {
LPWSTR parts[2];
LPWSTR ret;
parts[0] = GetPathRoot(hwndTV, 0, TRUE);
parts[1] = path;
ret = CombinePaths((LPCWSTR*)parts, 2);
HeapFree(GetProcessHeap(), 0, parts[0]);
return ret;
}
static void OnTreeSelectionChanged(HWND hwndTV, HWND hwndLV, HTREEITEM hItem, BOOL bRefreshLV)
{
if (bRefreshLV) {
LPWSTR keyPath;
HKEY hRootKey = NULL;
keyPath = GetItemPath(hwndTV, hItem, &hRootKey);
RefreshListView(hwndLV, hRootKey, keyPath, NULL);
HeapFree(GetProcessHeap(), 0, keyPath);
}
UpdateStatusBar();
}
/*******************************************************************************
* finish_splitbar [internal]
*
* make the splitbar invisible and resize the windows
* (helper for ChildWndProc)
*/
static void finish_splitbar(HWND hWnd, int x)
{
RECT rt;
draw_splitbar(hWnd, last_split);
last_split = -1;
GetClientRect(hWnd, &rt);
g_pChildWnd->nSplitPos = x;
ResizeWnd(rt.right, rt.bottom);
ReleaseCapture();
}
/*******************************************************************************
*
* FUNCTION: _CmdWndProc(HWND, unsigned, WORD, LONG)
*
* PURPOSE: Processes WM_COMMAND messages for the main frame window.
*
*/
static BOOL _CmdWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (LOWORD(wParam)) {
/* Parse the menu selections: */
case ID_REGISTRY_EXIT:
DestroyWindow(hWnd);
break;
case ID_VIEW_REFRESH:
WINE_TRACE("Is this ever called or is it just dead code?\n");
/* TODO */
break;
case ID_SWITCH_PANELS:
g_pChildWnd->nFocusPanel = !g_pChildWnd->nFocusPanel;
SetFocus(g_pChildWnd->nFocusPanel? g_pChildWnd->hListWnd: g_pChildWnd->hTreeWnd);
break;
default:
return FALSE;
}
return TRUE;
}
/*******************************************************************************
* get_last_key [internal]
*
* open last key
*
*/
static void get_last_key(HWND hwndTV)
{
HKEY hkey;
WCHAR wszVal[KEY_MAX_LEN];
DWORD dwSize = sizeof(wszVal);
if (RegCreateKeyExW(HKEY_CURRENT_USER, wszKeyName, 0, NULL, 0, KEY_READ, NULL, &hkey, NULL) == ERROR_SUCCESS)
{
if (RegQueryValueExW(hkey, wszLastKey, NULL, NULL, (LPBYTE)wszVal, &dwSize) == ERROR_SUCCESS)
SendMessageW(hwndTV, TVM_SELECTITEM, TVGN_CARET, (LPARAM)FindPathInTree(hwndTV, wszVal));
RegCloseKey(hkey);
}
}
/*******************************************************************************
* set_last_key [internal]
*
* save last key
*
*/
static void set_last_key(HWND hwndTV)
{
HKEY hkey;
WCHAR *wszVal;
if (RegCreateKeyExW(HKEY_CURRENT_USER, wszKeyName, 0, NULL, 0, KEY_WRITE, NULL, &hkey, NULL) == ERROR_SUCCESS)
{
wszVal = GetItemFullPath(g_pChildWnd->hTreeWnd, TreeView_GetSelection(g_pChildWnd->hTreeWnd), FALSE);
RegSetValueExW(hkey, wszLastKey, 0, REG_SZ, (LPBYTE)wszVal, (lstrlenW(wszVal) + 1) * sizeof(WCHAR));
HeapFree(GetProcessHeap(), 0, wszVal);
RegCloseKey(hkey);
}
}
/*******************************************************************************
*
* FUNCTION: ChildWndProc(HWND, unsigned, WORD, LONG)
*
* PURPOSE: Processes messages for the child windows.
*
* WM_COMMAND - process the application menu
* WM_PAINT - Paint the main window
* WM_DESTROY - post a quit message and return
*
*/
LRESULT CALLBACK ChildWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message) {
case WM_CREATE:
g_pChildWnd = HeapAlloc(GetProcessHeap(), 0, sizeof(ChildWnd));
if (!g_pChildWnd) return 0;
LoadStringW(hInst, IDS_REGISTRY_ROOT_NAME, g_pChildWnd->szPath, MAX_PATH);
g_pChildWnd->nSplitPos = 250;
g_pChildWnd->hWnd = hWnd;
g_pChildWnd->hTreeWnd = CreateTreeView(hWnd, g_pChildWnd->szPath, TREE_WINDOW);
g_pChildWnd->hListWnd = CreateListView(hWnd, LIST_WINDOW/*, g_pChildWnd->szPath*/);
g_pChildWnd->nFocusPanel = 1;
SetFocus(g_pChildWnd->hTreeWnd);
get_last_key(g_pChildWnd->hTreeWnd);
break;
case WM_COMMAND:
if (!_CmdWndProc(hWnd, message, wParam, lParam)) {
goto def;
}
break;
case WM_PAINT:
OnPaint(hWnd);
return 0;
case WM_SETCURSOR:
if (LOWORD(lParam) == HTCLIENT) {
POINT pt;
GetCursorPos(&pt);
ScreenToClient(hWnd, &pt);
if (pt.x>=g_pChildWnd->nSplitPos-SPLIT_WIDTH/2 && pt.x<g_pChildWnd->nSplitPos+SPLIT_WIDTH/2+1) {
SetCursor(LoadCursor(0, IDC_SIZEWE));
return TRUE;
}
}
goto def;
case WM_DESTROY:
set_last_key(g_pChildWnd->hTreeWnd);
HeapFree(GetProcessHeap(), 0, g_pChildWnd);
g_pChildWnd = NULL;
PostQuitMessage(0);
break;
case WM_LBUTTONDOWN: {
RECT rt;
int x = (short)LOWORD(lParam);
GetClientRect(hWnd, &rt);
if (x>=g_pChildWnd->nSplitPos-SPLIT_WIDTH/2 && x<g_pChildWnd->nSplitPos+SPLIT_WIDTH/2+1) {
last_split = g_pChildWnd->nSplitPos;
draw_splitbar(hWnd, last_split);
SetCapture(hWnd);
}
break;
}
/* WM_RBUTTONDOWN sets the splitbar the same way as WM_LBUTTONUP */
case WM_LBUTTONUP:
case WM_RBUTTONDOWN:
if (GetCapture() == hWnd) {
finish_splitbar(hWnd, LOWORD(lParam));
}
break;
case WM_CAPTURECHANGED:
if (GetCapture()==hWnd && last_split>=0)
draw_splitbar(hWnd, last_split);
break;
case WM_KEYDOWN:
if (wParam == VK_ESCAPE)
if (GetCapture() == hWnd) {
RECT rt;
draw_splitbar(hWnd, last_split);
GetClientRect(hWnd, &rt);
ResizeWnd(rt.right, rt.bottom);
last_split = -1;
ReleaseCapture();
SetCursor(LoadCursor(0, IDC_ARROW));
}
break;
case WM_MOUSEMOVE:
if (GetCapture() == hWnd) {
RECT rt;
int x = LOWORD(lParam);
HDC hdc = GetDC(hWnd);
GetClientRect(hWnd, &rt);
rt.left = last_split-SPLIT_WIDTH/2;
rt.right = last_split+SPLIT_WIDTH/2+1;
InvertRect(hdc, &rt);
last_split = x;
rt.left = x-SPLIT_WIDTH/2;
rt.right = x+SPLIT_WIDTH/2+1;
InvertRect(hdc, &rt);
ReleaseDC(hWnd, hdc);
}
break;
case WM_SETFOCUS:
if (g_pChildWnd != NULL) {
SetFocus(g_pChildWnd->nFocusPanel? g_pChildWnd->hListWnd: g_pChildWnd->hTreeWnd);
}
break;
case WM_TIMER:
break;
case WM_NOTIFY:
if (((int)wParam == TREE_WINDOW) && (g_pChildWnd != NULL)) {
switch (((LPNMHDR)lParam)->code) {
case TVN_ITEMEXPANDINGW:
return !OnTreeExpanding(g_pChildWnd->hTreeWnd, (NMTREEVIEW*)lParam);
case TVN_SELCHANGEDW:
OnTreeSelectionChanged(g_pChildWnd->hTreeWnd, g_pChildWnd->hListWnd,
((NMTREEVIEWW *)lParam)->itemNew.hItem, TRUE);
break;
case NM_SETFOCUS:
g_pChildWnd->nFocusPanel = 0;
break;
case NM_RCLICK: {
POINT pt;
GetCursorPos(&pt);
TrackPopupMenu(GetSubMenu(hPopupMenus, PM_NEW),
TPM_RIGHTBUTTON, pt.x, pt.y, 0, hFrameWnd, NULL);
break;
}
case TVN_ENDLABELEDITW: {
HKEY hRootKey;
LPNMTVDISPINFOW dispInfo = (LPNMTVDISPINFOW)lParam;
LPWSTR path = GetItemPath(g_pChildWnd->hTreeWnd, 0, &hRootKey);
BOOL res = RenameKey(hWnd, hRootKey, path, dispInfo->item.pszText);
if (res) {
TVITEMEXW item;
LPWSTR fullPath = GetPathFullPath(g_pChildWnd->hTreeWnd,
dispInfo->item.pszText);
item.mask = TVIF_HANDLE | TVIF_TEXT;
item.hItem = TreeView_GetSelection(g_pChildWnd->hTreeWnd);
item.pszText = dispInfo->item.pszText;
SendMessageW( g_pChildWnd->hTreeWnd, TVM_SETITEMW, 0, (LPARAM)&item );
SendMessageW(hStatusBar, SB_SETTEXTW, 0, (LPARAM)fullPath);
HeapFree(GetProcessHeap(), 0, fullPath);
}
HeapFree(GetProcessHeap(), 0, path);
return res;
}
default:
return 0; /* goto def; */
}
} else
if (((int)wParam == LIST_WINDOW) && (g_pChildWnd != NULL)) {
if (((LPNMHDR)lParam)->code == NM_SETFOCUS) {
g_pChildWnd->nFocusPanel = 1;
} else if (!SendMessageW(g_pChildWnd->hListWnd, WM_NOTIFY_REFLECT, wParam, lParam)) {
goto def;
}
}
break;
case WM_SIZE:
if (wParam != SIZE_MINIMIZED && g_pChildWnd != NULL) {
ResizeWnd(LOWORD(lParam), HIWORD(lParam));
}
/* fall through */
default: def:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
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