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145 lines
5.1 KiB
145 lines
5.1 KiB
#ifndef _HOSTUTIL_H_
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#define _HOSTUTIL_H_
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// usefull macro's which aren't elsewhere
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#define ARRAYSIZE(x) (sizeof(x)/sizeof(x[0]))
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#define RECTWIDTH(rc) ((rc).right-(rc).left)
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#define RECTHEIGHT(rc) ((rc).bottom-(rc).top)
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// Balloon tip / infotip / tooltip helper
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HWND CreateBalloonTip(HWND hwndOwner, int x, int y, HFONT hf, UINT idsTitle, UINT idsText);
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void MakeMultilineTT(HWND hwndTT);
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LRESULT HandleApplyRegion(HWND hwnd, HTHEME hTheme,
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PSMNMAPPLYREGION par, int iPartId, int iStateId);
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class CPropBagFromReg : public IPropertyBag
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{
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private:
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HKEY _hk;
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DWORD _cref;
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CPropBagFromReg::CPropBagFromReg(HKEY hk);
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CPropBagFromReg::~CPropBagFromReg();
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public:
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STDMETHOD (QueryInterface) (REFIID riid, PVOID *ppvObject);
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STDMETHOD_(ULONG, AddRef)(void);
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STDMETHOD_(ULONG, Release)(void);
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STDMETHODIMP Read(LPCOLESTR pszPropName, VARIANT *pVar, IErrorLog *pErrorLog);
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STDMETHODIMP Write(LPCOLESTR pszPropName, VARIANT *pVar)
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{
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return E_NOTIMPL;
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}
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friend HRESULT CreatePropBagFromReg(LPCTSTR pszKey, IPropertyBag**pppb);
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};
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BOOL RectFromStrW(LPCWSTR pwsz, RECT *pr);
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//
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// To get a common implementation of IUnknown so the compiler can collapse
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// them all together.
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//
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class CUnknown : public IUnknown
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{
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public:
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virtual STDMETHODIMP QueryInterface(REFIID riid, void** ppvObj) PURE;
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virtual STDMETHODIMP_(ULONG) AddRef(void) { return ++_cRef; }
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virtual STDMETHODIMP_(ULONG) Release(void)
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{
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ULONG cRef = --_cRef;
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if (cRef == 0) {
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delete this;
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return 0;
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}
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return cRef;
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}
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virtual ~CUnknown() { } // Because we delete from the base class
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IUnknown *GetUnknown() { return this; }
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protected:
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CUnknown() : _cRef(1) { }
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LONG _cRef;
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};
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//
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// Implementation of IAccessible that wraps the default IAccessible
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// of a window, but allows people to override selected methods.
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//
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class CAccessible : public IAccessible
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{
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public:
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// *** IUnknown ***
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STDMETHOD(QueryInterface)(REFIID riid, LPVOID *ppvOut) PURE;
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STDMETHOD_(ULONG, AddRef)() PURE;
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STDMETHOD_(ULONG, Release)() PURE;
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// *** IDispatch ***
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STDMETHODIMP GetTypeInfoCount(UINT *pctinfo);
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STDMETHODIMP GetTypeInfo(UINT itinfo, LCID lcid, ITypeInfo **pptinfo);
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STDMETHODIMP GetIDsOfNames(REFIID riid, OLECHAR **rgszNames, UINT cNames,
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LCID lcid, DISPID *rgdispid);
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STDMETHODIMP Invoke(DISPID dispidMember, REFIID riid, LCID lcid, WORD wFlags,
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DISPPARAMS *pdispparams, VARIANT *pvarResult, EXCEPINFO *pexcepinfo,
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UINT *puArgErr);
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// *** IAccessible ***
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STDMETHODIMP get_accParent(IDispatch **ppdispParent);
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STDMETHODIMP get_accChildCount(long *pChildCount);
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STDMETHODIMP get_accChild(VARIANT varChildIndex, IDispatch **ppdispChild);
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STDMETHODIMP get_accName(VARIANT varChild, BSTR *pszName);
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STDMETHODIMP get_accValue(VARIANT varChild, BSTR *pszValue);
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STDMETHODIMP get_accDescription(VARIANT varChild, BSTR *pszDescription);
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STDMETHODIMP get_accRole(VARIANT varChild, VARIANT *pvarRole);
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STDMETHODIMP get_accState(VARIANT varChild, VARIANT *pvarState);
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STDMETHODIMP get_accHelp(VARIANT varChild, BSTR *pszHelp);
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STDMETHODIMP get_accHelpTopic(BSTR *pszHelpFile, VARIANT varChild, long *pidTopic);
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STDMETHODIMP get_accKeyboardShortcut(VARIANT varChild, BSTR *pszKeyboardShortcut);
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STDMETHODIMP get_accFocus(VARIANT *pvarFocusChild);
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STDMETHODIMP get_accSelection(VARIANT *pvarSelectedChildren);
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STDMETHODIMP get_accDefaultAction(VARIANT varChild, BSTR *pszDefaultAction);
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STDMETHODIMP accSelect(long flagsSelect, VARIANT varChild);
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STDMETHODIMP accLocation(long *pxLeft, long *pyTop, long *pcxWidth, long *pcyHeight, VARIANT varChild);
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STDMETHODIMP accNavigate(long navDir, VARIANT varStart, VARIANT *pvarEndUpAt);
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STDMETHODIMP accHitTest(long xLeft, long yTop, VARIANT *pvarChildAtPoint);
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STDMETHODIMP accDoDefaultAction(VARIANT varChild);
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STDMETHODIMP put_accName(VARIANT varChild, BSTR szName);
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STDMETHODIMP put_accValue(VARIANT varChild, BSTR pszValue);
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protected:
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~CAccessible() { ATOMICRELEASE(_paccInner); }
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BOOL SetAccessibleSubclassWindow(HWND hwnd)
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{
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return SetWindowSubclass(hwnd, s_SubclassProc, 0,
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reinterpret_cast<DWORD_PTR>(this));
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}
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enum {
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ACCSTR_OPEN = -815,
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ACCSTR_CLOSE = -814,
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ACCSTR_EXECUTE = -842,
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};
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enum {
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E_NOT_APPLICABLE = DISP_E_MEMBERNOTFOUND,
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};
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static HRESULT GetRoleString(DWORD dwRole, BSTR *pbsOut);
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static HRESULT CreateAcceleratorBSTR(TCHAR tch, BSTR *pbsOut);
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private:
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static LRESULT CALLBACK s_SubclassProc(
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HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam,
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UINT_PTR uIdSubclass, DWORD_PTR dwRefData);
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protected:
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IAccessible *_paccInner;
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};
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#endif // _HOSTUTIL_H_
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