2025-05-13 19:45:22 +03:00

105 lines
2.7 KiB
C

/*
* Process Hacker Window Explorer -
* utility functions
*
* Copyright (C) 2011 wj32
*
* This file is part of Process Hacker.
*
* Process Hacker 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 3 of the License, or
* (at your option) any later version.
*
* Process Hacker 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 Process Hacker. If not, see <http://www.gnu.org/licenses/>.
*/
#include "wndexp.h"
// WARNING: No functions from ProcessHacker.exe should be used in this file!
PVOID WeGetProcedureAddress(
_In_ PSTR Name
)
{
static PVOID imageBase = NULL;
if (!imageBase)
imageBase = GetModuleHandle(L"ProcessHacker.exe");
return (PVOID)GetProcAddress(imageBase, Name);
}
VOID WeFormatLocalObjectName(
_In_ PWSTR OriginalName,
_Inout_updates_(256) PWCHAR Buffer,
_Out_ PUNICODE_STRING ObjectName
)
{
SIZE_T length;
SIZE_T originalNameLength;
// Sessions other than session 0 require SeCreateGlobalPrivilege.
if (NtCurrentPeb()->SessionId != 0)
{
memcpy(Buffer, L"\\Sessions\\", 10 * sizeof(WCHAR));
_ultow(NtCurrentPeb()->SessionId, Buffer + 10, 10);
length = wcslen(Buffer);
originalNameLength = wcslen(OriginalName);
memcpy(Buffer + length, OriginalName, (originalNameLength + 1) * sizeof(WCHAR));
length += originalNameLength;
ObjectName->Buffer = Buffer;
ObjectName->MaximumLength = (ObjectName->Length = (USHORT)(length * sizeof(WCHAR))) + sizeof(WCHAR);
}
else
{
RtlInitUnicodeString(ObjectName, OriginalName);
}
}
VOID WeInvertWindowBorder(
_In_ HWND hWnd
)
{
RECT rect;
HDC hdc;
GetWindowRect(hWnd, &rect);
hdc = GetWindowDC(hWnd);
if (hdc)
{
ULONG penWidth = GetSystemMetrics(SM_CXBORDER) * 3;
INT oldDc;
HPEN pen;
HBRUSH brush;
oldDc = SaveDC(hdc);
// Get an inversion effect.
SetROP2(hdc, R2_NOT);
pen = CreatePen(PS_INSIDEFRAME, penWidth, RGB(0x00, 0x00, 0x00));
SelectObject(hdc, pen);
brush = GetStockObject(NULL_BRUSH);
SelectObject(hdc, brush);
// Draw the rectangle.
Rectangle(hdc, 0, 0, rect.right - rect.left, rect.bottom - rect.top);
// Cleanup.
DeleteObject(pen);
RestoreDC(hdc, oldDc);
ReleaseDC(hWnd, hdc);
}
}