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50 lines
2.1 KiB
C
50 lines
2.1 KiB
C
#ifndef NULLOSFT_MEDIALIBRARY_REFLECTED_MESSAGES_HEADER
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#define NULLOSFT_MEDIALIBRARY_REFLECTED_MESSAGES_HEADER
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#if defined(_MSC_VER) && (_MSC_VER >= 1020)
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#pragma once
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#endif
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#include <windows.h>
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// reflected messages will pass this as lParam
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typedef struct _REFLECTPARAM
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{
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LRESULT result; // return result here. If refleting window is dialog it is responsible to set result using SetWindowlongPtr.
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LPARAM lParam; // orginal lParam
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HWND hwndFrom; // reflecting window
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}REFLECTPARAM, *PREFLECTPARAM;
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// reflected messages
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// you need to return TRUE if you procesed a message otherwise FALSE
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#define REFLECT_BASE (WM_APP + 0x3000)
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#define WM_SUPPORTREFLECT (REFLECT_BASE + 0x0000) // wParam = (WPARM)(UINT)testMessageCode. Return TRUE if you suport message reflecting
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#define REFLECTED_DRAWITEM (REFLECT_BASE + WM_DRAWITEM)
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#define REFLECTED_CTLCOLORBTN (REFLECT_BASE + WM_CTLCOLORBTN)
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#define REFLECTED_CTLCOLOREDIT (REFLECT_BASE + WM_CTLCOLOREDIT)
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#define REFLECTED_CTLCOLORLISTBOX (REFLECT_BASE + WM_CTLCOLORLISTBOX)
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#define REFLECTED_CTLCOLORSCROLLBAR (REFLECT_BASE + WM_CTLCOLORSCROLLBAR)
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#define REFLECTED_CTLCOLORSTATIC (REFLECT_BASE + WM_CTLCOLORSTATIC)
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#define REFLECTED_NOTIFY (REFLECT_BASE + WM_NOTIFY)
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#define REFLECTED_COMMAND (REFLECT_BASE + WM_COMMAND)
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#define REFLECTED_MEASUREITEM (REFLECT_BASE + WM_MEASUREITEM)
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#ifdef __cplusplus
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#define REFLECTMESSAGE(hwnd, uMsg, wParam, lParam) (BOOL)::SendMessage((hwnd), (REFLECT_BASE + (uMsg)), (wParam), (lParam))
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#else
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#define REFLECTMESSAGE(hwnd, uMsg, wParam, lParam) (BOOL)SendMessage((hwnd), (REFLECT_BASE + (uMsg)), (wParam), (lParam))
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#endif
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BOOL CanReflect(UINT uMsg);
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BOOL ReflectMessage(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL bDialog, LRESULT *pResult);
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HRESULT InstallReflector(HWND hwnd); // this is installs simple window hook that allows reflection code to run.
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// returns , S_OK - hook installed, S_FALSE in case hook already installed, E_XXX - something bad
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BOOL RemoveReflector(HWND hwnd); // returns TRUE if window was reflecting
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#endif // NULLOSFT_MEDIALIBRARY_REFLECTED_MESSAGES_HEADER
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