childwnd.c File Reference

#include "regedit.h"

Include dependency graph for childwnd.c:

Go to the source code of this file.

Macros
#define	MIN(a, b)   ((a < b) ? (a) : (b))

Functions
LPCWSTR	get_root_key_name (HKEY hRootKey)
void	ResizeWnd (int cx, int cy)
static void	draw_splitbar (HWND hWnd, int x)
static void	finish_splitbar (HWND hWnd, int x)
static BOOL	ChildWnd_CmdWndProc (HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
static void	SuggestKeys (HKEY hRootKey, LPCWSTR pszKeyPath, LPWSTR pszSuggestions, size_t iSuggestionsLength)
LRESULT CALLBACK	AddressBarProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
static VOID	UpdateAddress (HTREEITEM hItem, HKEY hRootKey, LPCWSTR pszPath)
LRESULT CALLBACK	ChildWndProc (HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)

Variables
ChildWnd *	g_pChildWnd
static int	last_split
HBITMAP	SizingPattern = 0
HBRUSH	SizingBrush = 0
static WCHAR	Suggestions [256]

Macro Definition Documentation

MIN

#define MIN	(		a,
			b
	)		((a < b) ? (a) : (b))

Definition at line 225 of file childwnd.c.

Referenced by SuggestKeys().

Function Documentation

AddressBarProc()

LRESULT CALLBACK AddressBarProc	(	HWND	hwnd,
		UINT	uMsg,
		WPARAM	wParam,
		LPARAM	lParam
	)

Definition at line 298 of file childwnd.c.

Referenced by ChildWndProc().

{
    WNDPROC oldwndproc;
    static WCHAR s_szNode[256];
    oldwndproc = (WNDPROC)GetWindowLongPtr(hwnd, GWLP_USERDATA);

    switch (uMsg)
    {
    case WM_KEYUP:
        if (wParam == VK_RETURN)
        {
            GetWindowTextW(hwnd, s_szNode, COUNT_OF(s_szNode));
            SelectNode(g_pChildWnd->hTreeWnd, s_szNode);
        }
        break;
    default:
        break;
    }
    return CallWindowProcW(oldwndproc, hwnd, uMsg, wParam, lParam);
}

ChildWnd_CmdWndProc()

static BOOL ChildWnd_CmdWndProc ( HWND  hWnd, UINT  message, WPARAM  wParam, LPARAM  lParam  )

static

Definition at line 140 of file childwnd.c.

Referenced by ChildWndProc().

{
    HTREEITEM hSelection;
    HKEY hRootKey;
    LPCWSTR keyPath, s;
    WORD wID = LOWORD(wParam);

    UNREFERENCED_PARAMETER(message);

    switch (wID)
    {
        /* Parse the menu selections: */
    case ID_REGISTRY_EXIT:
        DestroyWindow(hWnd);
        break;
    case ID_VIEW_REFRESH:
        /* TODO */
        break;
    case ID_TREE_EXPANDBRANCH:
        TreeView_Expand(g_pChildWnd->hTreeWnd, TreeView_GetSelection(g_pChildWnd->hTreeWnd), TVE_EXPAND);
        break;
    case ID_TREE_COLLAPSEBRANCH:
        TreeView_Expand(g_pChildWnd->hTreeWnd, TreeView_GetSelection(g_pChildWnd->hTreeWnd), TVE_COLLAPSE);
        break;
    case ID_TREE_RENAME:
        SetFocus(g_pChildWnd->hTreeWnd);
        TreeView_EditLabel(g_pChildWnd->hTreeWnd, TreeView_GetSelection(g_pChildWnd->hTreeWnd));
        break;
    case ID_TREE_DELETE:
        hSelection = TreeView_GetSelection(g_pChildWnd->hTreeWnd);
        keyPath = GetItemPath(g_pChildWnd->hTreeWnd, hSelection, &hRootKey);

        if (keyPath == 0 || *keyPath == 0)
        {
            MessageBeep(MB_ICONHAND);
        }
        else if (DeleteKey(hWnd, hRootKey, keyPath))
            DeleteNode(g_pChildWnd->hTreeWnd, 0);
        break;
    case ID_TREE_EXPORT:
        ExportRegistryFile(g_pChildWnd->hTreeWnd);
        break;
    case ID_EDIT_FIND:
        FindDialog(hWnd);
        break;
    case ID_EDIT_COPYKEYNAME:
        hSelection = TreeView_GetSelection(g_pChildWnd->hTreeWnd);
        keyPath = GetItemPath(g_pChildWnd->hTreeWnd, hSelection, &hRootKey);
        CopyKeyName(hWnd, hRootKey, keyPath);
        break;
    case ID_EDIT_NEW_KEY:
        CreateNewKey(g_pChildWnd->hTreeWnd, TreeView_GetSelection(g_pChildWnd->hTreeWnd));
        break;
    case ID_EDIT_NEW_STRINGVALUE:
    case ID_EDIT_NEW_BINARYVALUE:
    case ID_EDIT_NEW_DWORDVALUE:
        SendMessageW(hFrameWnd, WM_COMMAND, wParam, lParam);
        break;
    case ID_SWITCH_PANELS:
        g_pChildWnd->nFocusPanel = !g_pChildWnd->nFocusPanel;
        SetFocus(g_pChildWnd->nFocusPanel? g_pChildWnd->hListWnd: g_pChildWnd->hTreeWnd);
        break;
    default:
        if ((wID >= ID_TREE_SUGGESTION_MIN) && (wID <= ID_TREE_SUGGESTION_MAX))
        {
            s = Suggestions;
            while(wID > ID_TREE_SUGGESTION_MIN)
            {
                if (*s)
                    s += wcslen(s) + 1;
                wID--;
            }
            SelectNode(g_pChildWnd->hTreeWnd, s);
            break;
        }
        return FALSE;
    }
    return TRUE;
}

ChildWndProc()

static LRESULT CALLBACK ChildWndProc	(	HWND	hWnd,
		UINT	message,
		WPARAM	wParam,
		LPARAM	lParam
	)

Definition at line 385 of file childwnd.c.

Referenced by InitInstance().

{
    BOOL Result;

    switch (message)
    {
    case WM_CREATE:
    {
        WNDPROC oldproc;
        HFONT hFont;
        WCHAR buffer[MAX_PATH];

        /* Load "My Computer" string */
        LoadStringW(hInst, IDS_MY_COMPUTER, buffer, COUNT_OF(buffer));

        g_pChildWnd = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(ChildWnd));
        if (!g_pChildWnd) return 0;

        wcsncpy(g_pChildWnd->szPath, buffer, MAX_PATH);
        g_pChildWnd->nSplitPos = 250;
        g_pChildWnd->hWnd = hWnd;
        g_pChildWnd->hAddressBarWnd = CreateWindowExW(WS_EX_CLIENTEDGE, L"Edit", NULL, WS_CHILD | WS_VISIBLE | WS_CHILDWINDOW | WS_TABSTOP,
                                                      CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
                                                      hWnd, (HMENU)0, hInst, 0);
        g_pChildWnd->hAddressBtnWnd = CreateWindowExW(0, L"Button", L"\x00BB", WS_CHILD | WS_VISIBLE | WS_CHILDWINDOW | WS_TABSTOP | BS_TEXT | BS_CENTER | BS_VCENTER | BS_FLAT | BS_DEFPUSHBUTTON,
                                                      CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
                                                      hWnd, (HMENU)0, hInst, 0);
        g_pChildWnd->hTreeWnd = CreateTreeView(hWnd, g_pChildWnd->szPath, (HMENU) TREE_WINDOW);
        g_pChildWnd->hListWnd = CreateListView(hWnd, (HMENU) LIST_WINDOW/*, g_pChildWnd->szPath*/);
        SetFocus(g_pChildWnd->hTreeWnd);

        /* set the address bar and button font */
        if ((g_pChildWnd->hAddressBarWnd) && (g_pChildWnd->hAddressBtnWnd))
        {
            hFont = (HFONT)GetStockObject(DEFAULT_GUI_FONT);
            SendMessageW(g_pChildWnd->hAddressBarWnd,
                         WM_SETFONT,
                         (WPARAM)hFont,
                         0);
            SendMessageW(g_pChildWnd->hAddressBtnWnd,
                         WM_SETFONT,
                         (WPARAM)hFont,
                         0);
        }
        /* Subclass the AddressBar */
        oldproc = (WNDPROC)GetWindowLongPtr(g_pChildWnd->hAddressBarWnd, GWLP_WNDPROC);
        SetWindowLongPtr(g_pChildWnd->hAddressBarWnd, GWLP_USERDATA, (DWORD_PTR)oldproc);
        SetWindowLongPtr(g_pChildWnd->hAddressBarWnd, GWLP_WNDPROC, (DWORD_PTR)AddressBarProc);
        break;
    }
    case WM_COMMAND:
        if(HIWORD(wParam) == BN_CLICKED)
        {
            PostMessageW(g_pChildWnd->hAddressBarWnd, WM_KEYUP, VK_RETURN, 0);
        }

        if (!ChildWnd_CmdWndProc(hWnd, message, wParam, lParam))
        {
            goto def;
        }
        break;
    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(LoadCursorW(0, IDC_SIZEWE));
                return TRUE;
            }
        }
        goto def;
    case WM_DESTROY:
        DestroyListView(g_pChildWnd->hListWnd);
        DestroyTreeView(g_pChildWnd->hTreeWnd);
        DestroyMainMenu();
        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;
    }

    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(LoadCursorW(0, IDC_ARROW));
            }
        break;

    case WM_MOUSEMOVE:
        if (GetCapture() == hWnd)
        {
            HDC hdc;
            RECT rt;
            HGDIOBJ OldObj;
            int x = LOWORD(lParam);
            if(!SizingPattern)
            {
                const DWORD Pattern[4] = {0x5555AAAA, 0x5555AAAA, 0x5555AAAA, 0x5555AAAA};
                SizingPattern = CreateBitmap(8, 8, 1, 1, Pattern);
            }
            if(!SizingBrush)
            {
                SizingBrush = CreatePatternBrush(SizingPattern);
            }

            GetClientRect(hWnd, &rt);
            x = (SHORT) min(max(x, SPLIT_MIN), rt.right - SPLIT_MIN);
            if(last_split != x)
            {
                rt.left = last_split-SPLIT_WIDTH/2;
                rt.right = last_split+SPLIT_WIDTH/2+1;
                hdc = GetDC(hWnd);
                OldObj = SelectObject(hdc, SizingBrush);
                PatBlt(hdc, rt.left, rt.top, rt.right - rt.left, rt.bottom - rt.top, PATINVERT);
                last_split = x;
                rt.left = x-SPLIT_WIDTH/2;
                rt.right = x+SPLIT_WIDTH/2+1;
                PatBlt(hdc, rt.left, rt.top, rt.right - rt.left, rt.bottom - rt.top, PATINVERT);
                SelectObject(hdc, OldObj);
                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_ITEMEXPANDING:
                return !OnTreeExpanding(g_pChildWnd->hTreeWnd, (NMTREEVIEW*)lParam);
            case TVN_SELCHANGED:
            {
                NMTREEVIEW* pnmtv = (NMTREEVIEW*)lParam;
                /* Get the parent of the current item */
                HTREEITEM hParentItem = TreeView_GetParent(g_pChildWnd->hTreeWnd, pnmtv->itemNew.hItem);

                UpdateAddress(pnmtv->itemNew.hItem, NULL, NULL);

                /*
                 * Disable Delete/Rename menu options for 'My Computer' (first item so doesn't have any parent)
                 * and HKEY_* keys (their parent is 'My Computer' and the previous remark applies).
                 */
                if (!hParentItem || !TreeView_GetParent(g_pChildWnd->hTreeWnd, hParentItem))
                {
                    EnableMenuItem(hMenuFrame , ID_EDIT_DELETE, MF_BYCOMMAND | MF_GRAYED);
                    EnableMenuItem(hMenuFrame , ID_EDIT_RENAME, MF_BYCOMMAND | MF_GRAYED);
                    EnableMenuItem(hPopupMenus, ID_TREE_DELETE, MF_BYCOMMAND | MF_GRAYED);
                    EnableMenuItem(hPopupMenus, ID_TREE_RENAME, MF_BYCOMMAND | MF_GRAYED); 
                }
                else
                {
                    EnableMenuItem(hMenuFrame , ID_EDIT_DELETE, MF_BYCOMMAND | MF_ENABLED);
                    EnableMenuItem(hMenuFrame , ID_EDIT_RENAME, MF_BYCOMMAND | MF_ENABLED);
                    EnableMenuItem(hPopupMenus, ID_TREE_DELETE, MF_BYCOMMAND | MF_ENABLED);
                    EnableMenuItem(hPopupMenus, ID_TREE_RENAME, MF_BYCOMMAND | MF_ENABLED);
                }

                break;
            }
            case NM_SETFOCUS:
                g_pChildWnd->nFocusPanel = 0;
                break;
            case TVN_BEGINLABELEDIT:
            {
                LPNMTVDISPINFO ptvdi;
                /* cancel label edit for rootkeys  */
                ptvdi = (LPNMTVDISPINFO) lParam;
                if (!TreeView_GetParent(g_pChildWnd->hTreeWnd, ptvdi->item.hItem) ||
                    !TreeView_GetParent(g_pChildWnd->hTreeWnd, TreeView_GetParent(g_pChildWnd->hTreeWnd, ptvdi->item.hItem)))
                    return TRUE;
                break;
            }
            case TVN_ENDLABELEDIT:
            {
                LPCWSTR keyPath;
                HKEY hRootKey;
                HKEY hKey = NULL;
                LPNMTVDISPINFO ptvdi;
                LONG lResult = TRUE;
                WCHAR szBuffer[MAX_PATH];

                ptvdi = (LPNMTVDISPINFO) lParam;
                if (ptvdi->item.pszText)
                {
                    keyPath = GetItemPath(g_pChildWnd->hTreeWnd, TreeView_GetParent(g_pChildWnd->hTreeWnd, ptvdi->item.hItem), &hRootKey);
                    _snwprintf(szBuffer, COUNT_OF(szBuffer), L"%s\\%s", keyPath, ptvdi->item.pszText);
                    keyPath = GetItemPath(g_pChildWnd->hTreeWnd, ptvdi->item.hItem, &hRootKey);
                    if (RegOpenKeyExW(hRootKey, szBuffer, 0, KEY_READ, &hKey) == ERROR_SUCCESS)
                    {
                        lResult = FALSE;
                        RegCloseKey(hKey);
                        TreeView_EditLabel(g_pChildWnd->hTreeWnd, ptvdi->item.hItem);
                    }
                    else
                    {
                        if (RenameKey(hRootKey, keyPath, ptvdi->item.pszText) != ERROR_SUCCESS)
                            lResult = FALSE;
                        else
                            UpdateAddress(ptvdi->item.hItem, hRootKey, szBuffer);
                    }
                    return lResult;
                }
            }
            default:
                return 0;
            }
        }
        else
        {
            if ((int)wParam == LIST_WINDOW && g_pChildWnd != NULL)
            {
                switch (((LPNMHDR)lParam)->code)
                {
                case NM_SETFOCUS:
                    g_pChildWnd->nFocusPanel = 1;
                    break;
                default:
                    if(!ListWndNotifyProc(g_pChildWnd->hListWnd, wParam, lParam, &Result))
                    {
                        goto def;
                    }
                    return Result;
                    break;
                }
            }
        }
        break;

    case WM_CONTEXTMENU:
    {
        POINT pt;
        if((HWND)wParam == g_pChildWnd->hListWnd)
        {
            int i, cnt;
            BOOL IsDefault;
            pt.x = (short) LOWORD(lParam);
            pt.y = (short) HIWORD(lParam);
            cnt = ListView_GetSelectedCount(g_pChildWnd->hListWnd);
            i = ListView_GetNextItem(g_pChildWnd->hListWnd, -1, LVNI_FOCUSED | LVNI_SELECTED);
            if (pt.x == -1 && pt.y == -1)
            {
                RECT rc;
                if (i != -1)
                {
                    rc.left = LVIR_BOUNDS;
                    SendMessageW(g_pChildWnd->hListWnd, LVM_GETITEMRECT, i, (LPARAM) &rc);
                    pt.x = rc.left + 8;
                    pt.y = rc.top + 8;
                }
                else
                    pt.x = pt.y = 0;
                ClientToScreen(g_pChildWnd->hListWnd, &pt);
            }
            if(i == -1)
            {
                TrackPopupMenu(GetSubMenu(hPopupMenus, PM_NEW), TPM_RIGHTBUTTON, pt.x, pt.y, 0, hFrameWnd, NULL);
            }
            else
            {
                HMENU mnu = GetSubMenu(hPopupMenus, PM_MODIFYVALUE);
                SetMenuDefaultItem(mnu, ID_EDIT_MODIFY, MF_BYCOMMAND);
                IsDefault = IsDefaultValue(g_pChildWnd->hListWnd, i);
                if(cnt == 1)
                    EnableMenuItem(mnu, ID_EDIT_RENAME, MF_BYCOMMAND | (IsDefault ? MF_DISABLED | MF_GRAYED : MF_ENABLED));
                else
                    EnableMenuItem(mnu, ID_EDIT_RENAME, MF_BYCOMMAND | MF_DISABLED | MF_GRAYED);
                EnableMenuItem(mnu, ID_EDIT_MODIFY, MF_BYCOMMAND | (cnt == 1 ? MF_ENABLED : MF_DISABLED | MF_GRAYED));
                EnableMenuItem(mnu, ID_EDIT_MODIFY_BIN, MF_BYCOMMAND | (cnt == 1 ? MF_ENABLED : MF_DISABLED | MF_GRAYED));

                TrackPopupMenu(mnu, TPM_RIGHTBUTTON, pt.x, pt.y, 0, hFrameWnd, NULL);
            }
        }
        else if ((HWND)wParam == g_pChildWnd->hTreeWnd)
        {
            TVHITTESTINFO hti;
            HMENU hContextMenu;
            TVITEMW item;
            MENUITEMINFOW mii;
            WCHAR resource[256];
            WCHAR buffer[256];
            LPWSTR s;
            LPCWSTR keyPath;
            HKEY hRootKey;
            int iLastPos;
            WORD wID;

            pt.x = (short) LOWORD(lParam);
            pt.y = (short) HIWORD(lParam);

            if (pt.x == -1 && pt.y == -1)
            {
                RECT rc;
                hti.hItem = TreeView_GetSelection(g_pChildWnd->hTreeWnd);
                if (hti.hItem != NULL)
                {
                    TreeView_GetItemRect(g_pChildWnd->hTreeWnd, hti.hItem, &rc, TRUE);
                    pt.x = rc.left + 8;
                    pt.y = rc.top + 8;
                    ClientToScreen(g_pChildWnd->hTreeWnd, &pt);
                    hti.flags = TVHT_ONITEM;
                }
                else
                    hti.flags = 0;
            }
            else
            {
                hti.pt.x = pt.x;
                hti.pt.y = pt.y;
                ScreenToClient(g_pChildWnd->hTreeWnd, &hti.pt);
                TreeView_HitTest(g_pChildWnd->hTreeWnd, &hti);
            }

            if (hti.flags & TVHT_ONITEM)
            {
                hContextMenu = GetSubMenu(hPopupMenus, PM_TREECONTEXT);
                TreeView_SelectItem(g_pChildWnd->hTreeWnd, hti.hItem);

                memset(&item, 0, sizeof(item));
                item.mask = TVIF_STATE | TVIF_CHILDREN;
                item.hItem = hti.hItem;
                TreeView_GetItem(g_pChildWnd->hTreeWnd, &item);

                /* Set the Expand/Collapse menu item appropriately */
                LoadStringW(hInst, (item.state & TVIS_EXPANDED) ? IDS_COLLAPSE : IDS_EXPAND, buffer, COUNT_OF(buffer));
                memset(&mii, 0, sizeof(mii));
                mii.cbSize = sizeof(mii);
                mii.fMask = MIIM_STRING | MIIM_STATE | MIIM_ID;
                mii.fState = (item.cChildren > 0) ? MFS_DEFAULT : MFS_GRAYED;
                mii.wID = (item.state & TVIS_EXPANDED) ? ID_TREE_COLLAPSEBRANCH : ID_TREE_EXPANDBRANCH;
                mii.dwTypeData = (LPWSTR) buffer;
                SetMenuItemInfo(hContextMenu, 0, TRUE, &mii);

                /* Remove any existing suggestions */
                memset(&mii, 0, sizeof(mii));
                mii.cbSize = sizeof(mii);
                mii.fMask = MIIM_ID;
                GetMenuItemInfo(hContextMenu, GetMenuItemCount(hContextMenu) - 1, TRUE, &mii);
                if ((mii.wID >= ID_TREE_SUGGESTION_MIN) && (mii.wID <= ID_TREE_SUGGESTION_MAX))
                {
                    do
                    {
                        iLastPos = GetMenuItemCount(hContextMenu) - 1;
                        GetMenuItemInfo(hContextMenu, iLastPos, TRUE, &mii);
                        RemoveMenu(hContextMenu, iLastPos, MF_BYPOSITION);
                    }
                    while((mii.wID >= ID_TREE_SUGGESTION_MIN) && (mii.wID <= ID_TREE_SUGGESTION_MAX));
                }

                /* Come up with suggestions */
                keyPath = GetItemPath(g_pChildWnd->hTreeWnd, NULL, &hRootKey);
                SuggestKeys(hRootKey, keyPath, Suggestions, COUNT_OF(Suggestions));
                if (Suggestions[0])
                {
                    AppendMenu(hContextMenu, MF_SEPARATOR, 0, NULL);

                    LoadStringW(hInst, IDS_GOTO_SUGGESTED_KEY, resource, COUNT_OF(resource));

                    s = Suggestions;
                    wID = ID_TREE_SUGGESTION_MIN;
                    while(*s && (wID <= ID_TREE_SUGGESTION_MAX))
                    {
                        _snwprintf(buffer, COUNT_OF(buffer), resource, s);

                        memset(&mii, 0, sizeof(mii));
                        mii.cbSize = sizeof(mii);
                        mii.fMask = MIIM_STRING | MIIM_ID;
                        mii.wID = wID++;
                        mii.dwTypeData = buffer;
                        InsertMenuItem(hContextMenu, GetMenuItemCount(hContextMenu), TRUE, &mii);

                        s += wcslen(s) + 1;
                    }
                }
                TrackPopupMenu(hContextMenu, TPM_RIGHTBUTTON, pt.x, pt.y, 0, g_pChildWnd->hWnd, NULL);
            }
        }
        break;
    }

    case WM_SIZE:
        if (wParam != SIZE_MINIMIZED && g_pChildWnd != NULL)
        {
            ResizeWnd(LOWORD(lParam), HIWORD(lParam));
        }
        /* fall through */
    default:
def:
        return DefWindowProcW(hWnd, message, wParam, lParam);
    }
    return 0;
}

draw_splitbar()

static void draw_splitbar ( HWND  hWnd, int  x  )

static

Definition at line 90 of file childwnd.c.

Referenced by ChildWndProc(), and finish_splitbar().

{
    RECT rt;
    HGDIOBJ OldObj;
    HDC hdc = GetDC(hWnd);

    if(!SizingPattern)
    {
        const DWORD Pattern[4] = {0x5555AAAA, 0x5555AAAA, 0x5555AAAA, 0x5555AAAA};
        SizingPattern = CreateBitmap(8, 8, 1, 1, Pattern);
    }
    if(!SizingBrush)
    {
        SizingBrush = CreatePatternBrush(SizingPattern);
    }
    GetClientRect(hWnd, &rt);
    rt.left = x - SPLIT_WIDTH/2;
    rt.right = x + SPLIT_WIDTH/2+1;
    OldObj = SelectObject(hdc, SizingBrush);
    PatBlt(hdc, rt.left, rt.top, rt.right - rt.left, rt.bottom - rt.top, PATINVERT);
    SelectObject(hdc, OldObj);
    ReleaseDC(hWnd, hdc);
}

finish_splitbar()

static void finish_splitbar ( HWND  hWnd, int  x  )

static

Definition at line 120 of file childwnd.c.

Referenced by ChildWndProc().

{
    RECT rt;

    draw_splitbar(hWnd, last_split);
    last_split = -1;
    GetClientRect(hWnd, &rt);
    g_pChildWnd->nSplitPos = x;
    ResizeWnd(rt.right, rt.bottom);
    ReleaseCapture();
}

get_root_key_name()

LPCWSTR get_root_key_name

(

HKEY

hRootKey

)

Definition at line 29 of file childwnd.c.

Referenced by SaveSettings(), and UpdateAddress().

{
    if (hRootKey == HKEY_CLASSES_ROOT) return L"HKEY_CLASSES_ROOT";
    if (hRootKey == HKEY_CURRENT_USER) return L"HKEY_CURRENT_USER";
    if (hRootKey == HKEY_LOCAL_MACHINE) return L"HKEY_LOCAL_MACHINE";
    if (hRootKey == HKEY_USERS) return L"HKEY_USERS";
    if (hRootKey == HKEY_CURRENT_CONFIG) return L"HKEY_CURRENT_CONFIG";
    if (hRootKey == HKEY_DYN_DATA) return L"HKEY_DYN_DATA";

    return L"UNKNOWN HKEY, PLEASE REPORT";
}

ResizeWnd()

void ResizeWnd	(	int	cx,
		int	cy
	)

Definition at line 41 of file childwnd.c.

Referenced by ChildWndProc(), and finish_splitbar().

{
    HDWP hdwp = BeginDeferWindowPos(4);
    RECT rt, rs, rb;
    const int nButtonWidth = 44;
    const int nButtonHeight = 22;
    int cyEdge = GetSystemMetrics(SM_CYEDGE);
    const UINT uFlags = SWP_NOZORDER | SWP_NOACTIVATE;
    SetRect(&rt, 0, 0, cx, cy);
    cy = 0;
    if (hStatusBar != NULL)
    {
        GetWindowRect(hStatusBar, &rs);
        cy = rs.bottom - rs.top;
    }
    GetWindowRect(g_pChildWnd->hAddressBtnWnd, &rb);
    cx = g_pChildWnd->nSplitPos + SPLIT_WIDTH / 2;
    if (hdwp)
        hdwp = DeferWindowPos(hdwp, g_pChildWnd->hAddressBarWnd, NULL,
                              rt.left, rt.top,
                              rt.right - rt.left - nButtonWidth, nButtonHeight,
                              uFlags);
    if (hdwp)
        hdwp = DeferWindowPos(hdwp, g_pChildWnd->hAddressBtnWnd, NULL,
                              rt.right - nButtonWidth, rt.top,
                              nButtonWidth, nButtonHeight,
                              uFlags);
    if (hdwp)
        hdwp = DeferWindowPos(hdwp, g_pChildWnd->hTreeWnd, NULL,
                              rt.left,
                              rt.top + nButtonHeight + cyEdge,
                              g_pChildWnd->nSplitPos - SPLIT_WIDTH/2 - rt.left,
                              rt.bottom - rt.top - cy - 2 * cyEdge,
                              uFlags);
    if (hdwp)
        hdwp = DeferWindowPos(hdwp, g_pChildWnd->hListWnd, NULL,
                              rt.left + cx,
                              rt.top + nButtonHeight + cyEdge,
                              rt.right - cx,
                              rt.bottom - rt.top - cy - 2 * cyEdge,
                              uFlags);
    if (hdwp)
        EndDeferWindowPos(hdwp);
}

SuggestKeys()

static void SuggestKeys ( HKEY  hRootKey, LPCWSTR  pszKeyPath, LPWSTR  pszSuggestions, size_t  iSuggestionsLength  )

static

Definition at line 227 of file childwnd.c.

Referenced by ChildWndProc().

{
    WCHAR szBuffer[256];
    WCHAR szLastFound[256];
    size_t i;
    HKEY hOtherKey, hSubKey;
    BOOL bFound;

    memset(pszSuggestions, 0, iSuggestionsLength * sizeof(*pszSuggestions));
    iSuggestionsLength--;

    /* Are we a root key in HKEY_CLASSES_ROOT? */
    if ((hRootKey == HKEY_CLASSES_ROOT) && pszKeyPath[0] && !wcschr(pszKeyPath, L'\\'))
    {
        do
        {
            bFound = FALSE;

            /* Check default key */
            if (QueryStringValue(hRootKey, pszKeyPath, NULL,
                                 szBuffer, COUNT_OF(szBuffer)) == ERROR_SUCCESS)
            {
                /* Sanity check this key; it cannot be empty, nor can it be a
                 * loop back */
                if ((szBuffer[0] != L'\0') && _wcsicmp(szBuffer, pszKeyPath))
                {
                    if (RegOpenKeyW(hRootKey, szBuffer, &hOtherKey) == ERROR_SUCCESS)
                    {
                        lstrcpynW(pszSuggestions, L"HKCR\\", (int) iSuggestionsLength);
                        i = wcslen(pszSuggestions);
                        pszSuggestions += i;
                        iSuggestionsLength -= i;

                        lstrcpynW(pszSuggestions, szBuffer, (int) iSuggestionsLength);
                        i = MIN(wcslen(pszSuggestions) + 1, iSuggestionsLength);
                        pszSuggestions += i;
                        iSuggestionsLength -= i;
                        RegCloseKey(hOtherKey);

                        bFound = TRUE;
                        wcscpy(szLastFound, szBuffer);
                        pszKeyPath = szLastFound;
                    }
                }
            }
        }
        while(bFound && (iSuggestionsLength > 0));

        /* Check CLSID key */
        if (RegOpenKeyW(hRootKey, pszKeyPath, &hSubKey) == ERROR_SUCCESS)
        {
            if (QueryStringValue(hSubKey, L"CLSID", NULL, szBuffer,
                                 COUNT_OF(szBuffer)) == ERROR_SUCCESS)
            {
                lstrcpynW(pszSuggestions, L"HKCR\\CLSID\\", (int)iSuggestionsLength);
                i = wcslen(pszSuggestions);
                pszSuggestions += i;
                iSuggestionsLength -= i;

                lstrcpynW(pszSuggestions, szBuffer, (int)iSuggestionsLength);
                i = MIN(wcslen(pszSuggestions) + 1, iSuggestionsLength);
                pszSuggestions += i;
                iSuggestionsLength -= i;
            }
            RegCloseKey(hSubKey);
        }
    }
}

UpdateAddress()

static VOID UpdateAddress ( HTREEITEM  hItem, HKEY  hRootKey, LPCWSTR  pszPath  )

static

Definition at line 320 of file childwnd.c.

Referenced by ChildWndProc().

{
    LPCWSTR keyPath, rootName;
    LPWSTR fullPath;

    /* Wipe the listview, the status bar and the address bar if the root key was selected */
    if (TreeView_GetParent(g_pChildWnd->hTreeWnd, hItem) == NULL)
    {
        ListView_DeleteAllItems(g_pChildWnd->hListWnd);
        SendMessageW(hStatusBar, SB_SETTEXTW, 0, (LPARAM)NULL);
        SendMessageW(g_pChildWnd->hAddressBarWnd, WM_SETTEXT, 0, (LPARAM)NULL);
        return;
    }

    if (pszPath == NULL)
        keyPath = GetItemPath(g_pChildWnd->hTreeWnd, hItem, &hRootKey);
    else
        keyPath = pszPath;

    if (keyPath)
    {
        RefreshListView(g_pChildWnd->hListWnd, hRootKey, keyPath);
        rootName = get_root_key_name(hRootKey);
        fullPath = HeapAlloc(GetProcessHeap(), 0, (wcslen(rootName) + 1 + wcslen(keyPath) + 1) * sizeof(WCHAR));
        if (fullPath)
        {
            /* set (correct) the address bar text */
            if (keyPath[0] != L'\0')
                swprintf(fullPath, L"%s\\%s", rootName, keyPath);
            else
                fullPath = wcscpy(fullPath, rootName);
            SendMessageW(hStatusBar, SB_SETTEXTW, 0, (LPARAM)fullPath);
            SendMessageW(g_pChildWnd->hAddressBarWnd, WM_SETTEXT, 0, (LPARAM)fullPath);
            HeapFree(GetProcessHeap(), 0, fullPath);
            /* disable hive manipulation items temporarily (enable only if necessary) */
            EnableMenuItem(GetSubMenu(hMenuFrame,0), ID_REGISTRY_LOADHIVE, MF_BYCOMMAND | MF_GRAYED);
            EnableMenuItem(GetSubMenu(hMenuFrame,0), ID_REGISTRY_UNLOADHIVE, MF_BYCOMMAND | MF_GRAYED);
            /* compare the strings to see if we should enable/disable the "Load Hive" menus accordingly */
            if (!(_wcsicmp(rootName, L"HKEY_LOCAL_MACHINE") &&
                  _wcsicmp(rootName, L"HKEY_USERS")))
            {
                /*
                 * enable the unload menu item if at the root, otherwise
                 * enable the load menu item if there is no slash in
                 * keyPath (ie. immediate child selected)
                 */
                if(keyPath[0] == L'\0')
                    EnableMenuItem(GetSubMenu(hMenuFrame,0), ID_REGISTRY_LOADHIVE, MF_BYCOMMAND | MF_ENABLED);
                else if(!wcschr(keyPath, L'\\'))
                    EnableMenuItem(GetSubMenu(hMenuFrame,0), ID_REGISTRY_UNLOADHIVE, MF_BYCOMMAND | MF_ENABLED);
            }
        }
    }
}

Variable Documentation

g_pChildWnd

ChildWnd* g_pChildWnd

Definition at line 23 of file childwnd.c.

Referenced by _CmdWndProc(), ChooseFavorite(), CreateNewValue(), DeleteKey(), ExportRegistryFile(), FindNext(), FrameWndProc(), ImportRegistryFile(), ListWndNotifyProc(), LoadHive(), LoadSettings(), resize_frame_rect(), SaveSettings(), TranslateChildTabMessage(), UnloadHive(), and UpdateStatusBar().

last_split

int last_split

static

Definition at line 24 of file childwnd.c.

Referenced by ChildWndProc(), and finish_splitbar().

SizingBrush

HBRUSH SizingBrush = 0

Definition at line 26 of file childwnd.c.

Referenced by ChildWndProc(), and draw_splitbar().

SizingPattern

HBITMAP SizingPattern = 0

Definition at line 25 of file childwnd.c.

Referenced by ChildWndProc(), and draw_splitbar().

Suggestions

WCHAR Suggestions[256]

static

Definition at line 27 of file childwnd.c.

Referenced by ChildWnd_CmdWndProc(), and ChildWndProc().