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Diffstat (limited to 'thirdparties/win32/include/directshow/cprop.h')
| -rw-r--r-- | thirdparties/win32/include/directshow/cprop.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/thirdparties/win32/include/directshow/cprop.h b/thirdparties/win32/include/directshow/cprop.h new file mode 100644 index 0000000..a030f8f --- /dev/null +++ b/thirdparties/win32/include/directshow/cprop.h @@ -0,0 +1,95 @@ +//------------------------------------------------------------------------------ +// File: CProp.h +// +// Desc: DirectShow base classes. +// +// Copyright (c) 1992-2001 Microsoft Corporation. All rights reserved. +//------------------------------------------------------------------------------ + + +#ifndef __CPROP__ +#define __CPROP__ + +// Base property page class. Filters typically expose custom properties by +// implementing special control interfaces, examples are IDirectDrawVideo +// and IQualProp on renderers. This allows property pages to be built that +// use the given interface. Applications such as the ActiveMovie OCX query +// filters for the property pages they support and expose them to the user +// +// This class provides all the framework for a property page. A property +// page is a COM object that supports IPropertyPage. We should be created +// with a resource ID for the dialog which we will load when required. We +// should also be given in the constructor a resource ID for a title string +// we will load from the DLLs STRINGTABLE. The property page titles must be +// stored in resource files so that they can be easily internationalised +// +// We have a number of virtual methods (not PURE) that may be overriden in +// derived classes to query for interfaces and so on. These functions have +// simple implementations here that just return NOERROR. Derived classes +// will almost definately have to override the message handler method called +// OnReceiveMessage. We have a static dialog procedure that calls the method +// so that derived classes don't have to fiddle around with the this pointer + +class AM_NOVTABLE CBasePropertyPage : public IPropertyPage, public CUnknown +{ +protected: + + LPPROPERTYPAGESITE m_pPageSite; // Details for our property site + HWND m_hwnd; // Window handle for the page + HWND m_Dlg; // Actual dialog window handle + BOOL m_bDirty; // Has anything been changed + int m_TitleId; // Resource identifier for title + int m_DialogId; // Dialog resource identifier + + static INT_PTR CALLBACK DialogProc(HWND hwnd, + UINT uMsg, + WPARAM wParam, + LPARAM lParam); + +private: + BOOL m_bObjectSet ; // SetObject has been called or not. +public: + + CBasePropertyPage(__in_opt LPCTSTR pName, // Debug only name + __inout_opt LPUNKNOWN pUnk, // COM Delegator + int DialogId, // Resource ID + int TitleId); // To get tital + +#ifdef UNICODE + CBasePropertyPage(__in_opt LPCSTR pName, + __inout_opt LPUNKNOWN pUnk, + int DialogId, + int TitleId); +#endif + virtual ~CBasePropertyPage() { }; + DECLARE_IUNKNOWN + + // Override these virtual methods + + virtual HRESULT OnConnect(IUnknown *pUnknown) { return NOERROR; }; + virtual HRESULT OnDisconnect() { return NOERROR; }; + virtual HRESULT OnActivate() { return NOERROR; }; + virtual HRESULT OnDeactivate() { return NOERROR; }; + virtual HRESULT OnApplyChanges() { return NOERROR; }; + virtual INT_PTR OnReceiveMessage(HWND hwnd,UINT uMsg,WPARAM wParam,LPARAM lParam); + + // These implement an IPropertyPage interface + + STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, __deref_out void **ppv); + STDMETHODIMP_(ULONG) NonDelegatingRelease(); + STDMETHODIMP_(ULONG) NonDelegatingAddRef(); + STDMETHODIMP SetPageSite(__in_opt LPPROPERTYPAGESITE pPageSite); + STDMETHODIMP Activate(HWND hwndParent, LPCRECT prect,BOOL fModal); + STDMETHODIMP Deactivate(void); + STDMETHODIMP GetPageInfo(__out LPPROPPAGEINFO pPageInfo); + STDMETHODIMP SetObjects(ULONG cObjects, __in_ecount_opt(cObjects) LPUNKNOWN *ppUnk); + STDMETHODIMP Show(UINT nCmdShow); + STDMETHODIMP Move(LPCRECT prect); + STDMETHODIMP IsPageDirty(void) { return m_bDirty ? S_OK : S_FALSE; } + STDMETHODIMP Apply(void); + STDMETHODIMP Help(LPCWSTR lpszHelpDir) { return E_NOTIMPL; } + STDMETHODIMP TranslateAccelerator(__inout LPMSG lpMsg) { return E_NOTIMPL; } +}; + +#endif // __CPROP__ + |
