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[SHELL32] Implement Explorer background image (Retrial of #801) (#1463)

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IconArea_Image, IconArea_Text and IconArea_TextBackground values in desktop.ini in a folder will be supported. It denies network paths. CORE-5516
This commit is contained in:
Katayama Hirofumi MZ 2019-04-05 07:59:35 +09:00 committed by GitHub
parent 466dbc5929
commit d04b4e65d6
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 256 additions and 13 deletions
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120
dll/win32/shell32/CDefView.cpp
View file

@ -110,6 +110,7 @@ class CDefView :
CLSID m_Category;
BOOL m_Destroyed;
SFVM_CUSTOMVIEWINFO_DATA m_viewinfo_data;
private:
HRESULT _MergeToolbar();
@ -257,6 +258,7 @@ class CDefView :
LRESULT OnGetDlgCode(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled);
LRESULT OnDestroy(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled);
LRESULT OnEraseBackground(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled);
LRESULT OnPrintClient(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled);
LRESULT OnSysColorChange(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled);
LRESULT OnGetShellBrowser(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled);
LRESULT OnNCCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled);
@ -280,7 +282,7 @@ class CDefView :
{
{ sizeof(WNDCLASSEX), CS_PARENTDC, StartWindowProc,
0, 0, NULL, NULL,
LoadCursor(NULL, IDC_ARROW), (HBRUSH)(COLOR_WINDOW + 1), NULL, SV_CLASS_NAME, NULL
LoadCursor(NULL, IDC_ARROW), NULL, NULL, SV_CLASS_NAME, NULL
},
NULL, NULL, IDC_ARROW, TRUE, 0, _T("")
};
@ -323,6 +325,7 @@ class CDefView :
MESSAGE_HANDLER(WM_GETDLGCODE, OnGetDlgCode)
MESSAGE_HANDLER(WM_DESTROY, OnDestroy)
MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBackground)
MESSAGE_HANDLER(WM_PRINTCLIENT, OnPrintClient)
MESSAGE_HANDLER(WM_SYSCOLORCHANGE, OnSysColorChange)
MESSAGE_HANDLER(CWM_GETISHELLBROWSER, OnGetShellBrowser)
MESSAGE_HANDLER(WM_SETTINGCHANGE, OnSettingChange)
@ -384,12 +387,21 @@ CDefView::CDefView() :
ZeroMemory(&m_sortInfo, sizeof(m_sortInfo));
ZeroMemory(&m_ptLastMousePos, sizeof(m_ptLastMousePos));
ZeroMemory(&m_Category, sizeof(m_Category));
m_viewinfo_data.clrText = GetSysColor(COLOR_WINDOWTEXT);
m_viewinfo_data.clrTextBack = GetSysColor(COLOR_WINDOW);
m_viewinfo_data.hbmBack = NULL;
}
CDefView::~CDefView()
{
TRACE(" destroying IShellView(%p)\n", this);
if (m_viewinfo_data.hbmBack)
{
::DeleteObject(m_viewinfo_data.hbmBack);
m_viewinfo_data.hbmBack = NULL;
}
if (m_hWnd)
{
DestroyViewWindow();
@ -578,8 +590,6 @@ BOOL CDefView::CreateList()
m_sortInfo.nHeaderID = -1;
m_sortInfo.nLastHeaderID = -1;
UpdateListColors();
/* UpdateShellSettings(); */
return TRUE;
}
@ -620,6 +630,27 @@ void CDefView::UpdateListColors()
m_ListView.SetExtendedListViewStyle(0, LVS_EX_TRANSPARENTSHADOWTEXT);
}
}
else
{
// text background color
COLORREF clrTextBack = GetSysColor(COLOR_WINDOW);
if (m_viewinfo_data.clrTextBack != CLR_INVALID)
{
clrTextBack = m_viewinfo_data.clrTextBack;
}
m_ListView.SetTextBkColor(clrTextBack);
// text color
COLORREF clrText = GetSysColor(COLOR_WINDOWTEXT);
if (m_viewinfo_data.clrText != CLR_INVALID)
{
clrText = m_viewinfo_data.clrText;
}
m_ListView.SetTextColor(clrText);
// Background is painted by the parent via WM_PRINTCLIENT.
m_ListView.SetExtendedListViewStyle(LVS_EX_TRANSPARENTBKGND, LVS_EX_TRANSPARENTBKGND);
}
}
/**********************************************************
@ -950,9 +981,27 @@ HRESULT CDefView::FillList()
m_sortInfo.bIsAscending = TRUE;
_Sort();
if (m_viewinfo_data.hbmBack)
{
::DeleteObject(m_viewinfo_data.hbmBack);
m_viewinfo_data.hbmBack = NULL;
}
// load custom background image and custom text color
m_viewinfo_data.cbSize = sizeof(m_viewinfo_data);
_DoFolderViewCB(SFVM_GET_CUSTOMVIEWINFO, 0, (LPARAM)&m_viewinfo_data);
/*turn the listview's redrawing back on and force it to draw*/
m_ListView.SetRedraw(TRUE);
UpdateListColors();
if (!(m_FolderSettings.fFlags & FWF_DESKTOP))
{
// redraw now
m_ListView.InvalidateRect(NULL, TRUE);
}
_DoFolderViewCB(SFVM_LISTREFRESHED, NULL, NULL);
return S_OK;
@ -1000,6 +1049,55 @@ LRESULT CDefView::OnEraseBackground(UINT uMsg, WPARAM wParam, LPARAM lParam, BOO
return 0;
}
static VOID
DrawTileBitmap(HDC hDC, LPCRECT prc, HBITMAP hbm, INT nWidth, INT nHeight, INT dx, INT dy)
{
INT x0 = prc->left, y0 = prc->top, x1 = prc->right, y1 = prc->bottom;
x0 += dx;
y0 += dy;
HDC hMemDC = CreateCompatibleDC(hDC);
HGDIOBJ hbmOld = SelectObject(hMemDC, hbm);
for (INT y = y0; y < y1; y += nHeight)
{
for (INT x = x0; x < x1; x += nWidth)
{
BitBlt(hDC, x, y, nWidth, nHeight, hMemDC, 0, 0, SRCCOPY);
}
}
SelectObject(hMemDC, hbmOld);
DeleteDC(hMemDC);
}
LRESULT CDefView::OnPrintClient(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
{
HDC hDC = (HDC)wParam;
RECT rc;
::GetClientRect(m_ListView, &rc);
if (m_viewinfo_data.hbmBack)
{
BITMAP bm;
if (::GetObject(m_viewinfo_data.hbmBack, sizeof(BITMAP), &bm))
{
INT dx = -(::GetScrollPos(m_ListView, SB_HORZ) % bm.bmWidth);
INT dy = -(::GetScrollPos(m_ListView, SB_VERT) % bm.bmHeight);
DrawTileBitmap(hDC, &rc, m_viewinfo_data.hbmBack, bm.bmWidth, bm.bmHeight, dx, dy);
}
}
else
{
FillRect(hDC, &rc, GetSysColorBrush(COLOR_WINDOW));
}
bHandled = TRUE;
return TRUE;
}
LRESULT CDefView::OnSysColorChange(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
{
/* Update desktop labels color */
@ -1039,14 +1137,6 @@ LRESULT CDefView::OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandl
TRACE("%p\n", this);
if (CreateList())
{
if (InitList())
{
FillList();
}
}
if (SUCCEEDED(QueryInterface(IID_PPV_ARG(IDropTarget, &pdt))))
{
if (FAILED(RegisterDragDrop(m_hWnd, pdt)))
@ -1063,6 +1153,14 @@ LRESULT CDefView::OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandl
m_hNotify = SHChangeNotifyRegister(m_hWnd, SHCNRF_InterruptLevel | SHCNRF_ShellLevel, SHCNE_ALLEVENTS, SHV_CHANGE_NOTIFY, 1, &ntreg);
}
if (CreateList())
{
if (InitList())
{
FillList();
}
}
/* _DoFolderViewCB(SFVM_GETNOTIFY, ?? ??) */
m_hAccel = LoadAcceleratorsW(shell32_hInstance, MAKEINTRESOURCEW(IDA_SHELLVIEW));

130
dll/win32/shell32/folders/CFSFolder.cpp
View file

@ -4,6 +4,7 @@
*
* Copyright 1997 Marcus Meissner
* Copyright 1998, 1999, 2002 Juergen Schmied
* Copyright 2019 Katayama Hirofumi MZ
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -878,7 +879,7 @@ HRESULT WINAPI CFSFolder::CreateViewObject(HWND hwndOwner,
}
else if (IsEqualIID (riid, IID_IShellView))
{
SFV_CREATE sfvparams = {sizeof(SFV_CREATE), this};
SFV_CREATE sfvparams = {sizeof(SFV_CREATE), this, NULL, this};
hr = SHCreateShellFolderView(&sfvparams, (IShellView**)ppvOut);
}
}
@ -1626,3 +1627,130 @@ HRESULT WINAPI CFSFolder::CallBack(IShellFolder *psf, HWND hwndOwner, IDataObjec
return Shell_DefaultContextMenuCallBack(this, pdtobj);
}
static HBITMAP DoLoadPicture(LPCWSTR pszFileName)
{
// create stream from file
HRESULT hr;
CComPtr<IStream> pStream;
hr = SHCreateStreamOnFileEx(pszFileName, STGM_READ, FILE_ATTRIBUTE_NORMAL,
FALSE, NULL, &pStream);
if (FAILED(hr))
return NULL;
// load the picture
HBITMAP hbm = NULL;
CComPtr<IPicture> pPicture;
OleLoadPicture(pStream, 0, FALSE, IID_IPicture, (LPVOID *)&pPicture);
// get the bitmap handle
if (pPicture)
{
pPicture->get_Handle((OLE_HANDLE *)&hbm);
// copy the bitmap handle
hbm = (HBITMAP)CopyImage(hbm, IMAGE_BITMAP, 0, 0, LR_CREATEDIBSECTION);
}
return hbm;
}
HRESULT WINAPI CFSFolder::GetCustomViewInfo(ULONG unknown, SFVM_CUSTOMVIEWINFO_DATA *data)
{
if (data == NULL)
{
return E_POINTER;
}
if (data->cbSize != sizeof(*data))
{
// NOTE: You have to set the cbData member before SFVM_GET_CUSTOMVIEWINFO call.
return E_INVALIDARG;
}
data->hbmBack = NULL;
data->clrText = CLR_INVALID;
data->clrTextBack = CLR_INVALID;
WCHAR szPath[MAX_PATH], szIniFile[MAX_PATH];
// does the folder exists?
if (!SHGetPathFromIDListW(pidlRoot, szPath) || !PathIsDirectoryW(szPath))
{
return E_INVALIDARG;
}
// don't use custom view in network path for security
if (PathIsNetworkPath(szPath))
{
return E_ACCESSDENIED;
}
// build the ini file path
StringCchCopyW(szIniFile, _countof(szIniFile), szPath);
PathAppend(szIniFile, L"desktop.ini");
static LPCWSTR TheGUID = L"{BE098140-A513-11D0-A3A4-00C04FD706EC}";
static LPCWSTR Space = L" \t\n\r\f\v";
// get info from ini file
WCHAR szImage[MAX_PATH], szText[64];
// load the image
szImage[0] = UNICODE_NULL;
GetPrivateProfileStringW(TheGUID, L"IconArea_Image", L"", szImage, _countof(szImage), szIniFile);
if (szImage[0])
{
StrTrimW(szImage, Space);
if (PathIsRelativeW(szImage))
{
PathAppendW(szPath, szImage);
StringCchCopyW(szImage, _countof(szImage), szPath);
}
data->hbmBack = DoLoadPicture(szImage);
}
// load the text color
szText[0] = UNICODE_NULL;
GetPrivateProfileStringW(TheGUID, L"IconArea_Text", L"", szText, _countof(szText), szIniFile);
if (szText[0])
{
StrTrimW(szText, Space);
LPWSTR pchEnd = NULL;
COLORREF cr = (wcstol(szText, &pchEnd, 0) & 0xFFFFFF);
if (pchEnd && !*pchEnd)
data->clrText = cr;
}
// load the text background color
szText[0] = UNICODE_NULL;
GetPrivateProfileStringW(TheGUID, L"IconArea_TextBackground", L"", szText, _countof(szText), szIniFile);
if (szText[0])
{
StrTrimW(szText, Space);
LPWSTR pchEnd = NULL;
COLORREF cr = (wcstol(szText, &pchEnd, 0) & 0xFFFFFF);
if (pchEnd && !*pchEnd)
data->clrTextBack = cr;
}
if (data->hbmBack != NULL || data->clrText != CLR_INVALID || data->clrTextBack != CLR_INVALID)
return S_OK;
return E_FAIL;
}
HRESULT WINAPI CFSFolder::MessageSFVCB(UINT uMsg, WPARAM wParam, LPARAM lParam)
{
HRESULT hr = E_NOTIMPL;
switch (uMsg)
{
case SFVM_GET_CUSTOMVIEWINFO:
hr = GetCustomViewInfo((ULONG)wParam, (SFVM_CUSTOMVIEWINFO_DATA *)lParam);
break;
}
return hr;
}

10
dll/win32/shell32/folders/CFSFolder.h
View file

@ -28,7 +28,8 @@ class CFSFolder :
public CComObjectRootEx<CComMultiThreadModelNoCS>,
public IShellFolder2,
public IPersistFolder3,
public IContextMenuCB
public IContextMenuCB,
public IShellFolderViewCB
{
private:
CLSID *pclsid;
@ -84,6 +85,9 @@ class CFSFolder :
// IContextMenuCB
virtual HRESULT WINAPI CallBack(IShellFolder *psf, HWND hwndOwner, IDataObject *pdtobj, UINT uMsg, WPARAM wParam, LPARAM lParam);
// IShellFolderViewCB
virtual HRESULT WINAPI MessageSFVCB(UINT uMsg, WPARAM wParam, LPARAM lParam);
DECLARE_REGISTRY_RESOURCEID(IDR_SHELLFSFOLDER)
DECLARE_NOT_AGGREGATABLE(CFSFolder)
@ -96,7 +100,11 @@ class CFSFolder :
COM_INTERFACE_ENTRY_IID(IID_IPersistFolder2, IPersistFolder2)
COM_INTERFACE_ENTRY_IID(IID_IPersistFolder3, IPersistFolder3)
COM_INTERFACE_ENTRY_IID(IID_IPersist, IPersist)
COM_INTERFACE_ENTRY_IID(IID_IShellFolderViewCB, IShellFolderViewCB)
END_COM_MAP()
protected:
HRESULT WINAPI GetCustomViewInfo(ULONG unknown, SFVM_CUSTOMVIEWINFO_DATA *data);
};
#endif /* _CFSFOLDER_H_ */

9
sdk/include/reactos/undocshell.h
View file

@ -1005,6 +1005,15 @@ typedef struct tagEXP_VISTA_ID_LIST
#define EXP_KNOWN_FOLDER_SIG 0xa000000b
#define EXP_VISTA_ID_LIST_SIG 0xa000000c
/* Not compatible yet */
typedef struct SFVM_CUSTOMVIEWINFO_DATA
{
ULONG cbSize;
HBITMAP hbmBack;
COLORREF clrText;
COLORREF clrTextBack;
} SFVM_CUSTOMVIEWINFO_DATA, *LPSFVM_CUSTOMVIEWINFO_DATA;
#include <poppack.h>
#ifdef __cplusplus