/*****************************************************************************\ * * * custcntl.h - Custom Control Library header file * * * * Copyright (c) 1992-1996, Microsoft Corp. All rights reserved * * * \*****************************************************************************/ #ifndef _INC_CUSTCNTL #define _INC_CUSTCNTL #ifdef __cplusplus extern "C" { /* Assume C declarations for C++ */ #endif /* __cplusplus */ /* * General size defines. */ #define CCHCCCLASS 32 // Max chars in a class name. #define CCHCCDESC 32 // Max chars in a control description. #define CCHCCTEXT 256 // Max chars in a text field. /* * CCSTYLE - Custom Control Style structure. This structure is passed * tp the Custom Control Style function when the user wants to edit the * styles of the custom control. */ typedef struct tagCCSTYLEA { DWORD flStyle; // Style of the control. DWORD flExtStyle; // Extended style of the control. CHAR szText[CCHCCTEXT]; // Text of the control. LANGID lgid; // Language Id of the control's dialog. WORD wReserved1; // Reserved value. Do not change. } CCSTYLEA, *LPCCSTYLEA; typedef struct tagCCSTYLEW { DWORD flStyle; // Style of the control. DWORD flExtStyle; // Extended style of the control. WCHAR szText[CCHCCTEXT]; // Text of the control. LANGID lgid; // Language Id of the control's dialog. WORD wReserved1; // Reserved value. Do not change. } CCSTYLEW, *LPCCSTYLEW; #ifdef UNICODE #define CCSTYLE CCSTYLEW #define LPCCSTYLE LPCCSTYLEW #else #define CCSTYLE CCSTYLEA #define LPCCSTYLE LPCCSTYLEA #endif // UNICODE /* * The Style function prototype. This will be called when the user * wants to edit the styles of a custom control. It should display a * dialog to edit the styles, update the styles in the pccs structure, * then return TRUE for success. If an error occurs or the user * cancels the dialog, FALSE should be returned. */ typedef BOOL (CALLBACK* LPFNCCSTYLEA)(HWND hwndParent, LPCCSTYLEA pccs); typedef BOOL (CALLBACK* LPFNCCSTYLEW)(HWND hwndParent, LPCCSTYLEW pccs); #ifdef UNICODE #define LPFNCCSTYLE LPFNCCSTYLEW #else #define LPFNCCSTYLE LPFNCCSTYLEA #endif // UNICODE /* * The SizeToText function prototype. This will be called if the user * requests that the custom control be sized to fit it's text. It * should use the specified styles, text and font to determine how * large the control must be to accommodate the text, then return this * value in pixels. The value of -1 should be returned if an error * occurs. */ typedef INT (CALLBACK* LPFNCCSIZETOTEXTA)(DWORD flStyle, DWORD flExtStyle, HFONT hfont, LPSTR pszText); typedef INT (CALLBACK* LPFNCCSIZETOTEXTW)(DWORD flStyle, DWORD flExtStyle, HFONT hfont, LPWSTR pszText); #ifdef UNICODE #define LPFNCCSIZETOTEXT LPFNCCSIZETOTEXTW #else #define LPFNCCSIZETOTEXT LPFNCCSIZETOTEXTA #endif // UNICODE /* * CCSTYLEFLAG - Custom Control Style Flag structure. A table of these * structures is used to specify the define strings that match the * different styles for a custom control. */ typedef struct tagCCSTYLEFLAGA { DWORD flStyle; // Style bits for this style. DWORD flStyleMask; // Mask for the style. Can be zero. LPSTR pszStyle; // Points to the style define string. } CCSTYLEFLAGA, *LPCCSTYLEFLAGA; typedef struct tagCCSTYLEFLAGW { DWORD flStyle; // Style bits for this style. DWORD flStyleMask; // Mask for the style. Can be zero. LPWSTR pszStyle; // Points to the style define string. } CCSTYLEFLAGW, *LPCCSTYLEFLAGW; #ifdef UNICODE #define CCSTYLEFLAG CCSTYLEFLAGW #define LPCCSTYLEFLAG LPCCSTYLEFLAGW #else #define CCSTYLEFLAG CCSTYLEFLAGA #define LPCCSTYLEFLAG LPCCSTYLEFLAGA #endif // UNICODE /* * CCF_* defines. These flags are used for the flOptions field of the * CCINFO structure, and describe some basic characteristics of the * custom control. */ #define CCF_NOTEXT 0x00000001 // Control cannot have text. /* * CCINFO - Custom Control Info structure. This structure provides * the dialog editor with information about the control types that the * DLL supports. */ typedef struct tagCCINFOA { CHAR szClass[CCHCCCLASS]; // Class name for the control. DWORD flOptions; // Option flags (CCF_* defines). CHAR szDesc[CCHCCDESC]; // Short, descriptive text for the ctrl. UINT cxDefault; // Default width (in dialog units). UINT cyDefault; // Default height (in dialog units). DWORD flStyleDefault; // Default style (WS_CHILD | WS_VISIBLE). DWORD flExtStyleDefault; // Default extended style. DWORD flCtrlTypeMask; // Mask for control type styles. CHAR szTextDefault[CCHCCTEXT]; // Default text. INT cStyleFlags; // Entries in the following style table. LPCCSTYLEFLAGA aStyleFlags; // Points to style flag table. LPFNCCSTYLEA lpfnStyle; // Pointer to the Styles function. LPFNCCSIZETOTEXTA lpfnSizeToText; // Pointer to the SizeToText function. DWORD dwReserved1; // Reserved. Must be zero. DWORD dwReserved2; // Reserved. Must be zero. } CCINFOA, *LPCCINFOA; typedef struct tagCCINFOW { WCHAR szClass[CCHCCCLASS]; // Class name for the control. DWORD flOptions; // Option flags (CCF_* defines). WCHAR szDesc[CCHCCDESC]; // Short, descriptive text for the ctrl. UINT cxDefault; // Default width (in dialog units). UINT cyDefault; // Default height (in dialog units). DWORD flStyleDefault; // Default style (WS_CHILD | WS_VISIBLE). DWORD flExtStyleDefault; // Default extended style. DWORD flCtrlTypeMask; // Mask for control type styles. INT cStyleFlags; // Entries in the following style table. LPCCSTYLEFLAGW aStyleFlags; // Points to style flag table. WCHAR szTextDefault[CCHCCTEXT]; // Default text. LPFNCCSTYLEW lpfnStyle; // Pointer to the Styles function. LPFNCCSIZETOTEXTW lpfnSizeToText; // Pointer to the SizeToText function. DWORD dwReserved1; // Reserved. Must be zero. DWORD dwReserved2; // Reserved. Must be zero. } CCINFOW, *LPCCINFOW; #ifdef UNICODE #define CCINFO CCINFOW #define LPCCINFO LPCCINFOW #else #define CCINFO CCINFOA #define LPCCINFO LPCCINFOA #endif // UNICODE /* * The Info function prototype. This function is the first one * called by the dialog editor. Custom control DLL's must export * one or both of the following functions by name (the ordinal * used for the export does not matter): * * UINT CALLBACK CustomControlInfoA(LPCCINFOA acci) * UINT CALLBACK CustomControlInfoW(LPCCINFOW acci) * * This function must return the number of controls that the DLL * supports, or NULL if an error occurs. If the acci parameter is * not NULL, it will be pointing to an array of CCINFOA or CCINFOW * structures that should be filled in with the information about * the different control types supported by the DLL. * * If both functions are present, the CustomControlInfoW function * will be used by the dialog editor. */ typedef UINT (CALLBACK* LPFNCCINFOA)(LPCCINFOA acci); typedef UINT (CALLBACK* LPFNCCINFOW)(LPCCINFOW acci); #ifdef UNICODE #define LPFNCCINFO LPFNCCINFOW #else #define LPFNCCINFO LPFNCCINFOA #endif // UNICODE #ifdef __cplusplus } #endif /* __cplusplus */ #endif /* _INC_CUSTCNTL */