257 lines
9.4 KiB
C
257 lines
9.4 KiB
C
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#ifndef _DESKHOST_H_
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#define _DESKHOST_H_
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#include <exdisp.h>
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#include <mshtml.h>
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#include "dpa.h"
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#include "../startmnu.h"
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#include <cowsite.h>
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#define WC_DV2 TEXT("DV2ControlHost")
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// These are in WM_APP range because IsDialogMessage uses
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// the WM_USER range and we used to use IsDialogMessage to get our focus
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// management right.
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#define DHM_DISMISS (WM_APP+0)
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#define DesktopHost_Dismiss(hwnd) SendMessage(hwnd, DHM_DISMISS, 0, 0)
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EXTERN_C HBITMAP CreateMirroredBitmap(HBITMAP hbm);
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class CPopupMenu
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{
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CPopupMenu() : _cRef(1) { }
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~CPopupMenu();
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public:
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friend HRESULT CPopupMenu_CreateInstance(IShellMenu *psm,
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IUnknown *punkSite,
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HWND hwnd,
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CPopupMenu **ppmOut);
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void AddRef() { _cRef++; }
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void Release() { if (--_cRef == 0) delete this; }
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BOOL IsSame(IShellMenu *psm)
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{
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return SHIsSameObject(_psm, psm);
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}
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// Wrapped method calls
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HRESULT Invalidate()
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{ return _psm->InvalidateItem(NULL, SMINV_REFRESH); }
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HRESULT TranslateMenuMessage(MSG *pmsg, LRESULT *plRet)
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{ return _pmb->TranslateMenuMessage(pmsg, plRet); }
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HRESULT OnSelect(DWORD dwSelectType)
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{ return _pmp->OnSelect(dwSelectType); }
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HRESULT IsMenuMessage(MSG *pmsg)
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{ return _pmb->IsMenuMessage(pmsg); }
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HRESULT Popup(RECT *prcExclude, DWORD dwFlags);
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private:
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HRESULT Initialize(IShellMenu *psm, IUnknown *punkSite, HWND hwnd);
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private:
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LONG _cRef;
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IMenuPopup * _pmp;
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IMenuBand * _pmb;
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IShellMenu * _psm;
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};
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class CDesktopHost
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: public CUnknown
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, public IMenuPopup
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, public IMenuBand
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, public ITrayPriv2
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, public IServiceProvider
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, public IOleCommandTarget
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, public CObjectWithSite
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{
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friend class CDeskHostShellMenuCallback;
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private:
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enum {
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IDT_MENUCHANGESEL = 1,
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};
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enum {
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NEWAPP_OFFER_COUNT = 3, // offer up to 3 times
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};
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private:
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HWND _hwnd; // window handle
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HTHEME _hTheme;
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HWND _hwndChildFocus; // which child last had focus?
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IMenuPopup * _pmpTracking; // The popup menu we are tracking
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IMenuBand * _pmbTracking; // The menuband we are tracking
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LPARAM _itemTracking; // The item that owns the current popup menu
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HWND _hwndTracking; // The child window that owns _itemTracking
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LPARAM _itemAltTracking; // The item the user has hot-tracked to while viewing a different item's popup menu
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HWND _hwndAltTracking; // The child window that owns _itemAltTracking
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CPopupMenu * _ppmPrograms; // Cached Programs menu
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CPopupMenu * _ppmTracking; // The one that is currently popped up
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HWND _hwndNewHandler; // Which window knows which apps are new?
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RECT _rcDesired; // The layout gets to specify a desired size
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RECT _rcActual; // And then the components can request additional resizing
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int _iOfferNewApps; // number of times we should suggest to the
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// user that they look at the app that was installed
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UINT _wmDragCancel; // user dragged an item off of a submenu
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BOOL _fOfferedNewApps; // did we offer new apps this time?
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BOOL _fOpen; // Is the menu open for business?
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BOOL _fMenuBlocked; // Is menu mode temporarily blocked?
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BOOL _fMouseEntered; // Is the mouse inside our window?
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BOOL _fAutoCascade; // Should we auto-open on hover?
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BOOL _fClipped; // Did we have to pitch some items to fit on screen?
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BOOL _fWarnedClipped; // Has the user been warned that it's been clipped?
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BOOL _fDismissOnlyPopup; // Are we only dismissing the popup?
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HWND _hwndLastMouse; // HWND that received last mousemove message
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LPARAM _lParamLastMouse; // LPARAM of last mousemove message
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HWND _hwndClipBalloon; // HWND of "you've been clipped!" balloon tip
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IFadeTask * _ptFader; // For cool selection fading
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SIZE _sizWindowPrev; // previous size of window when we popped up
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STARTPANELMETRICS _spm; // start panel metrics
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HBITMAP _hbmCachedSnapshot; // This bitmap reflects the current look of the start menu, ready to show!
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public:
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// *** IUnknown ***
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STDMETHODIMP QueryInterface(REFIID riid, void** ppvObj);
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STDMETHODIMP_(ULONG) AddRef(void) { return CUnknown::AddRef(); }
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STDMETHODIMP_(ULONG) Release(void) { return CUnknown::Release(); }
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// *** IOleWindow methods ***
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STDMETHODIMP GetWindow(HWND * phwnd) { *phwnd = _hwnd; return S_OK; }
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STDMETHODIMP ContextSensitiveHelp(BOOL bEnterMode) { return E_NOTIMPL; }
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// *** IDeskBar methods ***
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STDMETHODIMP SetClient(IUnknown* punk) { return E_NOTIMPL; };
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STDMETHODIMP GetClient(IUnknown** ppunkClient) { return E_NOTIMPL; }
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STDMETHODIMP OnPosRectChangeDB (LPRECT prc) { return E_NOTIMPL; }
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// *** IMenuPopup methods ***
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STDMETHODIMP Popup(POINTL *ppt, RECTL *prcExclude, DWORD dwFlags);
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STDMETHODIMP OnSelect(DWORD dwSelectType);
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STDMETHODIMP SetSubMenu(IMenuPopup* pmp, BOOL fSet) { return E_NOTIMPL; }
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// *** IMenuBand methods ***
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STDMETHODIMP IsMenuMessage(MSG *pmsg);
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STDMETHODIMP TranslateMenuMessage(MSG *pmsg, LRESULT *plres);
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// *** ITrayPriv methods ***
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STDMETHODIMP ExecItem(IShellFolder *psf, LPCITEMIDLIST pidl) { return E_NOTIMPL; }
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STDMETHODIMP GetFindCM(HMENU hmenu, UINT idFirst, UINT idLast, IContextMenu **ppcmFind) { return E_NOTIMPL; }
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STDMETHODIMP GetStaticStartMenu(HMENU* phmenu) { return E_NOTIMPL; }
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// *** ITrayPriv2 methods ***
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STDMETHODIMP ModifySMInfo(IN LPSMDATA psmd, IN OUT SMINFO *psminfo);
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// *** IServiceProvider ***
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STDMETHODIMP QueryService(REFGUID guidService, REFIID riid, void **ppvObj);
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// *** IOleCommandTarget ***
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STDMETHODIMP QueryStatus(const GUID * pguidCmdGroup,
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ULONG cCmds, OLECMD rgCmds[], OLECMDTEXT *pcmdtext);
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STDMETHODIMP Exec(const GUID * pguidCmdGroup,
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DWORD nCmdID, DWORD nCmdexecopt,
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VARIANTARG *pvarargIn, VARIANTARG *pvarargOut);
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// *** IObjectWithSite ***
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STDMETHODIMP SetSite(IUnknown *punkSite);
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public:
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HRESULT Initialize();
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HRESULT Build();
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private:
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HWND _Create();
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HRESULT _Popup(POINT *ppt, RECT *prcExclude, DWORD dwFlags);
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private:
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~CDesktopHost();
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static LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
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// Window Messages
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void OnCreate(HWND hwnd);
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void OnDestroy();
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void OnPaint(HDC hdc, BOOL bBackground);
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void OnSetFocus(HWND hwndLose);
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void OnContextMenu(LPARAM lParam);
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void _OnDismiss(BOOL bDestroy);
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void _OnMenuChangeSel();
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LRESULT OnHaveNewItems(NMHDR *pnm);
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LRESULT OnCommandInvoked(NMHDR *pnm);
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LRESULT OnFilterOptions(NMHDR *pnm);
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LRESULT OnTrackShellMenu(NMHDR *pnm);
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void OnSeenNewItems();
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LRESULT OnNeedRepaint();
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HRESULT TranslatePopupMenuMessage(MSG *pmsg, LRESULT *plres);
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// Other helpers
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BOOL Register();
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void LoadPanelMetrics();
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void LoadResourceInt(UINT ids, LONG *pl);
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BOOL AddWin32Controls();
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BOOL _TryShowBuffered();
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void _DismissTrackShellMenu();
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void _CleanupTrackShellMenu(); // release + UI-related goo
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void _DismissMenuPopup();
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BOOL _IsDialogMessage(MSG *pmsg);
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BOOL _DlgNavigateArrow(HWND hwndStart, MSG *pmsg);
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BOOL _DlgNavigateChar(HWND hwndStart, MSG *pmsg);
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HWND _FindNextDlgChar(HWND hwndStart, SMNDIALOGMESSAGE *pnmdm, UINT snmdm);
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void _EnableKeyboardCues();
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void _MaybeOfferNewApps();
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BOOL _ShouldIgnoreFocusChange(HWND hwndFocusRecipient);
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void _FilterMouseMove(MSG *pmsg, HWND hwndTarget);
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void _FilterMouseLeave(MSG *pmsg, HWND hwndTarget);
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void _FilterMouseHover(MSG *pmsg, HWND hwndTarget);
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void _RemoveSelection();
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void _SubclassTrackShellMenu(IShellMenu *psm);
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HRESULT _MenuMouseFilter(LPSMDATA psmd, BOOL fRemove, LPMSG pmsg);
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typedef HWND (WINAPI *GETNEXTDLGITEM)(HWND, HWND, BOOL);
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HWND _DlgFindItem(HWND hwndStart, SMNDIALOGMESSAGE *pnmdm, UINT smndm,
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GETNEXTDLGITEM GetNextDlgItem, UINT fl);
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LRESULT _FindChildItem(HWND hwnd, SMNDIALOGMESSAGE *pnmdm, UINT smndm);
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void _ReadPaneSizeFromTheme(SMPANEDATA *psmpd);
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void _ComputeActualSize(MONITORINFO *pminfo, LPCRECT prcExclude);
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void _ChoosePopupPosition(POINT *ppt, LPCRECT prcExclude, LPRECT prcWindow);
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void _ReapplyRegion();
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void _SaveChildFocus();
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HWND _RestoreChildFocus();
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void _MaybeShowClipBalloon();
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void _DestroyClipBalloon();
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};
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#endif
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