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reactos/dll/win32/shell32/shellmenu/CMenuDeskBar.cpp

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/*
* Shell Menu Desk Bar
*
* Copyright 2014 David Quintana
*
* 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 "shellmenu.h"
#include <atlwin.h>
#include <shlwapi_undoc.h>
#include "CMenuDeskBar.h"
/* As far as I can tell, the submenu hierarchy looks like this:
*
* The DeskBar's Child is the Band it contains.
* The DeskBar's Parent is the SID_SMenuPopup of the Site.
*
* The Band's Child is the IMenuPopup of the child submenu.
* The Band's Parent is the SID_SMenuPopup of the Site (the DeskBar).
*
* When the DeskBar receives a selection event:
* If it requires closing the window, it will notify the Child (Band) using CancelLevel.
* If it has to spread upwards (everything but CancelLevel), it will notify the Parent.
*
* When the Band receives a selection event, this is where it gets fuzzy:
* In which cases does it call the Parent? Probably not CancelLevel.
* In which cases does it call the Child?
* How does it react to calls?
*
*/
WINE_DEFAULT_DEBUG_CHANNEL(CMenuDeskBar);
CMenuDeskBar::CMenuDeskBar() :
m_Client(NULL),
m_ClientWindow(NULL),
m_IconSize(0),
m_Banner(NULL),
m_Shown(FALSE),
m_ShowFlags(0),
m_didAddRef(FALSE)
{
}
CMenuDeskBar::~CMenuDeskBar()
{
}
LRESULT CMenuDeskBar::_OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
{
if (!m_didAddRef)
{
this->AddRef();
m_didAddRef = TRUE;
}
bHandled = FALSE;
return 0;
}
void CMenuDeskBar::OnFinalMessage(HWND /* hWnd */)
{
if (m_didAddRef)
{
this->Release();
m_didAddRef = FALSE;
}
}
HRESULT STDMETHODCALLTYPE CMenuDeskBar::Initialize(THIS)
{
return S_OK;
}
HRESULT STDMETHODCALLTYPE CMenuDeskBar::GetWindow(HWND *lphwnd)
{
if (lphwnd == NULL)
return E_POINTER;
*lphwnd = m_hWnd;
return S_OK;
}
HRESULT STDMETHODCALLTYPE CMenuDeskBar::ContextSensitiveHelp(BOOL fEnterMode)
{
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CMenuDeskBar::OnFocusChangeIS(IUnknown *punkObj, BOOL fSetFocus)
{
return IUnknown_OnFocusChangeIS(m_Client, punkObj, fSetFocus);
}
HRESULT STDMETHODCALLTYPE CMenuDeskBar::QueryStatus(const GUID *pguidCmdGroup, ULONG cCmds,
OLECMD prgCmds [], OLECMDTEXT *pCmdText)
{
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CMenuDeskBar::Exec(const GUID *pguidCmdGroup, DWORD nCmdID,
DWORD nCmdexecopt, VARIANT *pvaIn, VARIANT *pvaOut)
{
if (IsEqualIID(*pguidCmdGroup, CGID_MenuDeskBar))
{
switch (nCmdID)
{
case 2: // refresh
return S_OK;
case 3: // load complete
return S_OK;
case 4: // set font metrics
return _AdjustForTheme(nCmdexecopt);
}
}
if (IsEqualIID(*pguidCmdGroup, CGID_Explorer))
{
}
else if (IsEqualIID(*pguidCmdGroup, IID_IDeskBarClient))
{
switch (nCmdID)
{
case 0:
// hide current band
break;
case 2:
break;
case 3:
break;
}
}
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE CMenuDeskBar::QueryService(REFGUID guidService, REFIID riid, void **ppvObject)
{
HRESULT hr;
if (IsEqualGUID(guidService, SID_SMenuPopup) ||
IsEqualGUID(guidService, SID_SMenuBandParent) ||
IsEqualGUID(guidService, SID_STopLevelBrowser))
{
hr = this->QueryInterface(riid, ppvObject);
if (SUCCEEDED(hr))
return hr;
}
if (IsEqualGUID(guidService, SID_SMenuBandBottom) ||
IsEqualGUID(guidService, SID_SMenuBandBottomSelected) ||
IsEqualGUID(guidService, SID_SMenuBandChild))
{
if (m_Client == NULL)
return E_NOINTERFACE;
hr = IUnknown_QueryService(m_Client, guidService, riid, ppvObject);
if (SUCCEEDED(hr))
return hr;
}
if (m_Site == NULL)
return E_NOINTERFACE;
return IUnknown_QueryService(m_Site, guidService, riid, ppvObject);
}
HRESULT STDMETHODCALLTYPE CMenuDeskBar::UIActivateIO(BOOL fActivate, LPMSG lpMsg)
{
return IUnknown_UIActivateIO(m_Client, fActivate, lpMsg);
}
HRESULT STDMETHODCALLTYPE CMenuDeskBar::HasFocusIO()
{
return IUnknown_HasFocusIO(m_Client);
}
HRESULT STDMETHODCALLTYPE CMenuDeskBar::TranslateAcceleratorIO(LPMSG lpMsg)
{
return IUnknown_TranslateAcceleratorIO(m_Client, lpMsg);
}
HRESULT STDMETHODCALLTYPE CMenuDeskBar::SetClient(IUnknown *punkClient)
{
CComPtr<IDeskBarClient> pDeskBandClient;
HRESULT hr;
if (m_Client)
{
hr = m_Client->QueryInterface(IID_PPV_ARG(IDeskBarClient, &pDeskBandClient));
if (FAILED_UNEXPECTEDLY(hr))
return hr;
pDeskBandClient->SetDeskBarSite(NULL);
pDeskBandClient = NULL;
m_Client = NULL;
}
if (punkClient == NULL)
return S_OK;
if (m_hWnd == NULL)
{
Create(NULL);
}
hr = punkClient->QueryInterface(IID_PPV_ARG(IUnknown, &m_Client));
if (FAILED_UNEXPECTEDLY(hr))
return hr;
hr = m_Client->QueryInterface(IID_PPV_ARG(IDeskBarClient, &pDeskBandClient));
if (FAILED_UNEXPECTEDLY(hr))
return hr;
hr = pDeskBandClient->SetDeskBarSite(static_cast<IDeskBar*>(this));
if (FAILED_UNEXPECTEDLY(hr))
return hr;
return IUnknown_GetWindow(m_Client, &m_ClientWindow);
}
HRESULT STDMETHODCALLTYPE CMenuDeskBar::GetClient(IUnknown **ppunkClient)
{
if (ppunkClient == NULL)
return E_POINTER;
if (!m_Client)
return E_FAIL;
return m_Client->QueryInterface(IID_PPV_ARG(IUnknown, ppunkClient));
}
HRESULT STDMETHODCALLTYPE CMenuDeskBar::OnPosRectChangeDB(LPRECT prc)
{
if (prc == NULL)
return E_POINTER;
return S_OK;
}
HRESULT STDMETHODCALLTYPE CMenuDeskBar::SetSite(IUnknown *pUnkSite)
{
// Windows closes the bar if this is called when the bar is shown
if (m_Shown)
_CloseBar();
m_SubMenuParent = NULL;
m_Site = pUnkSite;
if (m_Site)
{
IUnknown_QueryService(m_Site, SID_SMenuPopup, IID_PPV_ARG(IMenuPopup, &m_SubMenuParent));
}
else
{
SetClient(NULL);
DestroyWindow();
}
return S_OK;
}
HRESULT STDMETHODCALLTYPE CMenuDeskBar::GetSite(REFIID riid, void **ppvSite)
{
if (m_Site == NULL)
return E_FAIL;
return m_Site->QueryInterface(riid, ppvSite);
}
static void AdjustForExcludeArea(BOOL alignLeft, BOOL alignTop, BOOL preferVertical, PINT px, PINT py, INT cx, INT cy, RECTL rcExclude) {
RECT rcWindow = { *px, *py, *px + cx, *py + cy };
if (rcWindow.right > rcExclude.left && rcWindow.left < rcExclude.right &&
rcWindow.bottom > rcExclude.top && rcWindow.top < rcExclude.bottom)
{
if (preferVertical)
{
if (alignTop && rcWindow.bottom > rcExclude.top)
*py = rcExclude.top - cy;
else if (!alignTop && rcWindow.top < rcExclude.bottom)
*py = rcExclude.bottom;
else if (alignLeft && rcWindow.right > rcExclude.left)
*px = rcExclude.left - cx;
else if (!alignLeft && rcWindow.left < rcExclude.right)
*px = rcExclude.right;
}
else
{
if (alignLeft && rcWindow.right > rcExclude.left)
*px = rcExclude.left - cx;
else if (!alignLeft && rcWindow.left < rcExclude.right)
*px = rcExclude.right;
else if (alignTop && rcWindow.bottom > rcExclude.top)
*py = rcExclude.top - cy;
else if (!alignTop && rcWindow.top < rcExclude.bottom)
*py = rcExclude.bottom;
}
}
}
HRESULT STDMETHODCALLTYPE CMenuDeskBar::Popup(POINTL *ppt, RECTL *prcExclude, MP_POPUPFLAGS dwFlags)
{
HRESULT hr;
CComPtr<IOleCommandTarget> oct;
CComPtr<IInputObject> io;
CComPtr<IDeskBand> band;
CComPtr<IDeskBarClient> dbc;
if (m_hWnd == NULL)
return E_FAIL;
hr = IUnknown_QueryService(m_Client, SID_SMenuBandChild, IID_PPV_ARG(IOleCommandTarget, &oct));
if (FAILED_UNEXPECTEDLY(hr))
return hr;
hr = m_Client->QueryInterface(IID_PPV_ARG(IDeskBarClient, &dbc));
if (FAILED_UNEXPECTEDLY(hr))
return hr;
// Windows calls this, but it appears to be unimplemented?
hr = dbc->SetModeDBC(1);
// Allow it to fail with E_NOTIMPL.
// No clue about the arg, using anything != 0
hr = dbc->UIActivateDBC(TRUE);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
RECT rc = { 0 };
hr = dbc->GetSize(0, &rc);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
// Unknown meaning
const int CMD = 19;
const int CMD_EXEC_OPT = 0;
hr = IUnknown_QueryServiceExec(m_Client, SID_SMenuBandChild, &CLSID_MenuBand, CMD, CMD_EXEC_OPT, NULL, NULL);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
::AdjustWindowRect(&rc, ::GetWindowLong(m_hWnd, GWL_STYLE), FALSE);
::OffsetRect(&rc, -rc.left, -rc.top);
if (m_Banner != NULL)
{
BITMAP bm;
::GetObject(m_Banner, sizeof(bm), &bm);
rc.right += bm.bmWidth;
}
RECT rcWorkArea;
::GetWindowRect(GetDesktopWindow(), &rcWorkArea);
int cxWorkArea = rcWorkArea.right - rcWorkArea.left;
int cyWorkArea = rcWorkArea.bottom - rcWorkArea.top;
int x = ppt->x;
int y = ppt->y;
int cx = rc.right - rc.left;
int cy = rc.bottom - rc.top;
// TODO: Make alignLeft default to TRUE in LTR systems or whenever necessary.
BOOL alignLeft = FALSE;
BOOL alignTop = FALSE;
BOOL preferVertical = FALSE;
switch (dwFlags & MPPF_POS_MASK)
{
case MPPF_TOP:
alignTop = TRUE;
preferVertical = TRUE;
break;
case MPPF_LEFT:
alignLeft = TRUE;
break;
case MPPF_BOTTOM:
alignTop = FALSE;
preferVertical = TRUE;
break;
case MPPF_RIGHT:
alignLeft = FALSE;
break;
}
// Try the selected alignment and verify that it doesn't escape the work area.
if (alignLeft)
{
x = ppt->x - cx;
}
else
{
x = ppt->x;
}
if (alignTop)
{
y = ppt->y - cy;
}
else
{
y = ppt->y;
}
if (prcExclude)
AdjustForExcludeArea(alignLeft, alignTop, preferVertical, &x, &y, cx, cy, *prcExclude);
// Verify that it doesn't escape the work area, and flip.
if (alignLeft)
{
if (x < rcWorkArea.left && (ppt->x+cx) <= rcWorkArea.right)
{
alignLeft = FALSE;
if (prcExclude)
x = prcExclude->right - ((x + cx) - prcExclude->left);
else
x = ppt->x;
}
}
else
{
if ((ppt->x + cx) > rcWorkArea.right && x >= rcWorkArea.left)
{
alignLeft = TRUE;
if (prcExclude)
x = prcExclude->left - cx + (prcExclude->right - x);
else
x = ppt->x - cx;
}
}
BOOL flipV = FALSE;
if (alignTop)
{
if (y < rcWorkArea.top && (ppt->y + cy) <= rcWorkArea.bottom)
{
alignTop = FALSE;
if (prcExclude)
y = prcExclude->bottom - ((y + cy) - prcExclude->top);
else
y = ppt->y;
flipV = true;
}
}
else
{
if ((ppt->y + cy) > rcWorkArea.bottom && y >= rcWorkArea.top)
{
alignTop = TRUE;
if (prcExclude)
y = prcExclude->top - cy + (prcExclude->bottom - y);
else
y = ppt->y - cy;
flipV = true;
}
}
if (prcExclude)
AdjustForExcludeArea(alignLeft, alignTop, preferVertical, &x, &y, cx, cy, *prcExclude);
if (x < rcWorkArea.left)
x = rcWorkArea.left;
if (cx > cxWorkArea)
cx = cxWorkArea;
if (x + cx > rcWorkArea.right)
x = rcWorkArea.right - cx;
if (y < rcWorkArea.top)
y = rcWorkArea.top;
if (cy > cyWorkArea)
cy = cyWorkArea;
if (y + cy > rcWorkArea.bottom)
y = rcWorkArea.bottom - cy;
int flags = SWP_SHOWWINDOW | SWP_NOACTIVATE;
this->SetWindowPos(HWND_TOPMOST, x, y, cx, cy, flags);
if (flipV)
{
if (dwFlags & MPPF_INITIALSELECT)
dwFlags = (dwFlags ^ MPPF_INITIALSELECT) | MPPF_FINALSELECT;
else if (dwFlags & MPPF_FINALSELECT)
dwFlags = (dwFlags ^ MPPF_FINALSELECT) | MPPF_INITIALSELECT;
}
m_ShowFlags = dwFlags;
m_Shown = true;
// HACK: The bar needs to be notified of the size AFTER it is shown.
// Quick & dirty way of getting it done.
BOOL bHandled;
_OnSize(WM_SIZE, 0, 0, bHandled);
UIActivateIO(TRUE, NULL);
if (dwFlags & (MPPF_INITIALSELECT | MPPF_FINALSELECT))
{
const int CMD_SELECT = 5;
int CMD_SELECT_OPTS = dwFlags & MPPF_INITIALSELECT ? 0 : -2;
IUnknown_QueryServiceExec(m_Client, SID_SMenuBandChild, &CLSID_MenuBand, CMD_SELECT, CMD_SELECT_OPTS, NULL, NULL);
}
return S_OK;
}
HRESULT STDMETHODCALLTYPE CMenuDeskBar::SetIconSize(THIS_ DWORD iIcon)
{
HRESULT hr;
m_IconSize = iIcon;
// Unknown meaning (set flags? set icon size?)
const int CMD = 16;
const int CMD_EXEC_OPT = iIcon ? 0 : 2; // seems to work
hr = IUnknown_QueryServiceExec(m_Client, SID_SMenuBandChild, &CLSID_MenuBand, CMD, CMD_EXEC_OPT, NULL, NULL);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
BOOL bHandled;
_OnSize(WM_SIZE, 0, 0, bHandled);
return hr;
}
HRESULT STDMETHODCALLTYPE CMenuDeskBar::GetIconSize(THIS_ DWORD* piIcon)
{
if (piIcon)
*piIcon = m_IconSize;
return S_OK;
}
HRESULT STDMETHODCALLTYPE CMenuDeskBar::SetBitmap(THIS_ HBITMAP hBitmap)
{
m_Banner = hBitmap;
BOOL bHandled;
_OnSize(WM_SIZE, 0, 0, bHandled);
return S_OK;
}
HRESULT STDMETHODCALLTYPE CMenuDeskBar::GetBitmap(THIS_ HBITMAP* phBitmap)
{
if (phBitmap)
*phBitmap = m_Banner;
return S_OK;
}
HRESULT STDMETHODCALLTYPE CMenuDeskBar::SetSubMenu(IMenuPopup *pmp, BOOL fSet)
{
// Called by the MenuBand to assign itself as the logical child of the DeskBar
if (fSet)
{
m_SubMenuChild = pmp;
}
else
{
if (m_SubMenuChild)
{
if (pmp == m_SubMenuChild)
{
m_SubMenuChild = NULL;
}
}
}
return S_OK;
}
HRESULT STDMETHODCALLTYPE CMenuDeskBar::OnSelect(DWORD dwSelectType)
{
CComPtr<IDeskBar> safeThis = this;
CComPtr<IMenuPopup> oldParent = m_SubMenuParent;
TRACE("OnSelect dwSelectType=%d\n", this, dwSelectType);
switch (dwSelectType)
{
case MPOS_EXECUTE:
case MPOS_FULLCANCEL:
case MPOS_CANCELLEVEL:
_CloseBar();
if (dwSelectType == MPOS_CANCELLEVEL)
return S_OK;
case MPOS_SELECTLEFT:
case MPOS_SELECTRIGHT:
case MPOS_CHILDTRACKING:
if (oldParent)
return oldParent->OnSelect(dwSelectType);
break;
}
return S_OK;
}
HRESULT CMenuDeskBar::_CloseBar()
{
CComPtr<IDeskBarClient> dbc;
HRESULT hr;
// Ensure that our data isn't destroyed while we are working
CComPtr<IDeskBar> safeThis = this;
m_Shown = false;
if (m_SubMenuParent)
{
m_SubMenuParent->SetSubMenu(this, FALSE);
}
if (m_SubMenuChild)
{
hr = m_SubMenuChild->OnSelect(MPOS_CANCELLEVEL);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
}
hr = m_Client->QueryInterface(IID_PPV_ARG(IDeskBarClient, &dbc));
if (FAILED_UNEXPECTEDLY(hr))
return hr;
hr = dbc->UIActivateDBC(FALSE);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
if (m_hWnd)
SetWindowPos(NULL, 0, 0, 0, 0, SWP_HIDEWINDOW | SWP_NOACTIVATE | SWP_NOMOVE);
return UIActivateIO(FALSE, NULL);
}
BOOL CMenuDeskBar::_IsSubMenuParent(HWND hwnd)
{
CComPtr<IMenuPopup> popup = m_SubMenuParent;
while (popup)
{
HRESULT hr;
HWND parent;
hr = IUnknown_GetWindow(popup, &parent);
if (FAILED_UNEXPECTEDLY(hr))
return FALSE;
if (hwnd == parent)
return TRUE;
hr = IUnknown_GetSite(popup, IID_PPV_ARG(IMenuPopup, &popup));
if (FAILED(hr))
return FALSE;
}
return FALSE;
}
LRESULT CMenuDeskBar::_OnSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
{
if (m_Client)
{
RECT rc;
GetClientRect(&rc);
if (m_Banner != NULL)
{
BITMAP bm;
::GetObject(m_Banner, sizeof(bm), &bm);
rc.left += bm.bmWidth;
}
::SetWindowPos(m_ClientWindow, NULL, rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top, 0);
}
return 0;
}
LRESULT CMenuDeskBar::_OnNotify(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
{
if (!m_Client)
return 0;
CComPtr<IWinEventHandler> winEventHandler;
HRESULT hr = m_Client->QueryInterface(IID_PPV_ARG(IWinEventHandler, &winEventHandler));
if (FAILED_UNEXPECTEDLY(hr))
return 0;
if (winEventHandler)
{
LRESULT result;
hr = winEventHandler->OnWinEvent(NULL, uMsg, wParam, lParam, &result);
if (FAILED_UNEXPECTEDLY(hr))
return 0;
return result;
}
return 0;
}
LRESULT CMenuDeskBar::_OnPaint(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
{
bHandled = FALSE;
if (m_Banner && !m_IconSize)
{
BITMAP bm;
PAINTSTRUCT ps;
HDC hdc = BeginPaint(&ps);
HDC hdcMem = ::CreateCompatibleDC(hdc);
HGDIOBJ hbmOld = ::SelectObject(hdcMem, m_Banner);
::GetObject(m_Banner, sizeof(bm), &bm);
RECT rc;
if (!GetClientRect(&rc))
WARN("GetClientRect failed\n");
const int bx = bm.bmWidth;
const int by = bm.bmHeight;
const int cy = rc.bottom;
TRACE("Painting banner: %d by %d\n", bm.bmWidth, bm.bmHeight);
if (!::StretchBlt(hdc, 0, 0, bx, cy - by, hdcMem, 0, 0, bx, 1, SRCCOPY))
WARN("StretchBlt failed\n");
if (!::BitBlt(hdc, 0, cy - by, bx, by, hdcMem, 0, 0, SRCCOPY))
WARN("BitBlt failed\n");
::SelectObject(hdcMem, hbmOld);
::DeleteDC(hdcMem);
EndPaint(&ps);
}
return TRUE;
}
LRESULT CMenuDeskBar::_OnActivate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
{
// BUG in ReactOS: WM_ACTIVATE/WA_INACTIVE makes no sense with lParam==hWnd
if (LOWORD(wParam) != 0 || reinterpret_cast<HWND>(lParam) == m_hWnd)
{
return 0;
}
// HACK! I just want it to work !!!
CComPtr<IDeskBar> db;
HRESULT hr = IUnknown_QueryService(m_Client, SID_SMenuBandChild, IID_PPV_ARG(IDeskBar, &db));
if (FAILED_UNEXPECTEDLY(hr))
return 0;
CComPtr<IUnknown> punk;
hr = db->GetClient(&punk);
if (FAILED_UNEXPECTEDLY(hr))
return 0;
if (!punk && m_Shown)
{
if (!_IsSubMenuParent(reinterpret_cast<HWND>(lParam)))
{
OnSelect(MPOS_FULLCANCEL);
}
}
return 0;
}
LRESULT CMenuDeskBar::_OnMouseActivate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
{
return MA_NOACTIVATE;
}
LRESULT CMenuDeskBar::_OnAppActivate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
{
#if 0
if (wParam == 0 && m_Shown)
{
OnSelect(MPOS_FULLCANCEL);
}
#endif
return 0;
}
LRESULT CMenuDeskBar::_OnWinIniChange(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
{
if (wParam == SPI_SETFLATMENU)
return _OnNotify(uMsg, wParam, lParam, bHandled);
return 0;
}
LRESULT CMenuDeskBar::_OnNcPaint(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
{
/* If it is a flat style menu we need to handle WM_NCPAINT
* and paint the border with the right colour */
if ((GetStyle() & WS_BORDER) == 0)
{
/* This isn't a flat style menu. */
bHandled = FALSE;
return 0;
}
HDC hdc;
RECT rcWindow;
hdc = GetWindowDC();
GetWindowRect(&rcWindow);
OffsetRect(&rcWindow, -rcWindow.left, -rcWindow.top);
FrameRect(hdc, &rcWindow, GetSysColorBrush(COLOR_BTNSHADOW));
ReleaseDC(hdc);
return 0;
}
LRESULT CMenuDeskBar::_OnClose(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
{
/* Prevent the CMenuDeskBar from destroying on being sent a WM_CLOSE */
return 0;
}
HRESULT CMenuDeskBar::_AdjustForTheme(BOOL bFlatStyle)
{
DWORD style = bFlatStyle ? WS_BORDER : WS_CLIPCHILDREN|WS_DLGFRAME;
DWORD mask = WS_BORDER|WS_CLIPCHILDREN|WS_DLGFRAME;
SHSetWindowBits(m_hWnd, GWL_STYLE, mask, style);
return S_OK;
}
extern "C"
HRESULT WINAPI RSHELL_CMenuDeskBar_CreateInstance(REFIID riid, LPVOID *ppv)
{
return ShellObjectCreator<CMenuDeskBar>(riid, ppv);
}
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