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- // THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
- // ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
- // THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
- // PARTICULAR PURPOSE.
- //
- // Copyright (C) 1993-1995 Microsoft Corporation. All Rights Reserved.
- //
- // PURPOSE:
- // Contains declarations for all globally scoped names in the program.
- //
-
-
- //-------------------------------------------------------------------------
- // Functions for handling main window messages. The message-dispatching
- // mechanism expects all message-handling functions to have the following
- // prototype:
- //
- // LRESULT FunctionName(HWND, UINT, WPARAM, LPARAM);
-
- LRESULT MsgCreate(HWND, UINT, WPARAM, LPARAM);
- LRESULT MsgSize(HWND, UINT, WPARAM, LPARAM);
- LRESULT MsgCommand(HWND, UINT, WPARAM, LPARAM);
- LRESULT MsgDestroy(HWND, UINT, WPARAM, LPARAM);
- LRESULT MsgClose(HWND, UINT, WPARAM, LPARAM);
-
- LRESULT MsgSizeThread(HWND, UINT, WPARAM, LPARAM);
-
- //-------------------------------------------------------------------------
- // Functions for handling main window commands--ie. functions for
- // processing WM_COMMAND messages based on the wParam value.
- // The message-dispatching mechanism expects all command-handling
- // functions to have the following prototype:
- //
- // LRESULT FunctionName(HWND, WORD, WORD, HWND);
-
- LRESULT CmdThreadState(HWND, WORD, WORD, HWND);
- LRESULT CmdExit(HWND, WORD, WORD, HWND);
- LRESULT CmdAbout(HWND, WORD, WORD, HWND);
-
- //-------------------------------------------------------------------------
- // Thread functions for our 4 windows.
-
- DWORD WINAPI CountThread(LPVOID arg);
- DWORD WINAPI GCDThread(LPVOID arg);
- DWORD WINAPI PrimeThread(LPVOID arg);
- DWORD WINAPI RectThread(LPVOID arg);
-
- //-------------------------------------------------------------------------
- // Global function prototypes.
-
- BOOL InitApplication(HINSTANCE, int);
- BOOL CenterWindow(HWND, HWND);
-
- //-------------------------------------------------------------------------
- // Callback functions. These are called by Windows.
-
- LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
- LRESULT CALLBACK ThreadChildWndProc(HWND, UINT, WPARAM, LPARAM);
-
- //-------------------------------------------------------------------------
- // Global variable declarations.
-
- //
- // We need this structure to communicate between the child window proc
- // and the thread proc. Specifically we need to track of the window handle
- // each thread is associated with, the size of the client area of the child
- // window, and the flag which terminates each thread.
- //
- typedef struct tagThreadInfo
- {
- HWND hwnd;
- HANDLE hThread; // Used to wait for the thread.
- int cy;
- int cx;
- BOOL bThreadState; // TRUE means the thread is active
- } THREADINFO, LPTHREADINFO;
-
- extern HINSTANCE hInst; // The current instance handle
- extern char szAppName[]; // The name of this application
- extern char szTitle[]; // The title bar text
- extern THREADINFO ThreadInfo[]; // Keeps information about the threads
- extern LONG cyChar; // character height
- extern LONG cxChar; // character width
-
- #define hwndMDIClient NULL /* Stub for NON-MDI applications. */
-
- //-------------------------------------------------------------------------
- // Message and command dispatch infrastructure. The following type
- // definitions and functions are used by the message and command dispatching
- // mechanism and do not need to be changed.
- // Function pointer prototype for message handling functions.
- //
- typedef LRESULT (*PFNMSG)(HWND,UINT,WPARAM,LPARAM);
-
- // Function pointer prototype for command handling functions.
- typedef LRESULT (*PFNCMD)(HWND,WORD,WORD,HWND);
-
- //
- // Enumerated type used to determine which default window procedure
- // should be called by the message- and command-dispatching mechanism
- // if a message or command is not handled explicitly.
- //
- typedef enum
- {
- edwpNone, // Do not call any default procedure.
- edwpWindow, // Call DefWindowProc.
- edwpDialog, // Call DefDlgProc (This should be used only for
- // custom dialogs - standard dialog use edwpNone).
- edwpMDIChild, // Call DefMDIChildProc.
- edwpMDIFrame // Call DefFrameProc.
- } EDWP; // Enumeration for Default Window Procedures
-
- // This structure maps messages to message handling functions.
- typedef struct _MSD
- {
- UINT uMessage;
- PFNMSG pfnmsg;
- } MSD; // Message Dispatch structure
-
- //
- // This structure contains all of the information that a window
- // procedure passes to DispMessage in order to define the message
- // dispatching behavior for the window.
- //
- typedef struct _MSDI
- {
- int cmsd; // Number of message dispatch structs in rgmsd
- MSD *rgmsd; // Table of message dispatch structures
- EDWP edwp; // Type of default window handler needed.
- } MSDI, FAR *LPMSDI; // Message Dipatch Information
-
- // This structure maps command IDs to command handling functions.
- typedef struct _CMD
- {
- WORD wCommand;
- PFNCMD pfncmd;
- } CMD; // CoMmand Dispatch structure
-
- //
- // This structure contains all of the information that a command
- // message procedure passes to DispCommand in order to define the
- // command dispatching behavior for the window.
- //
- typedef struct _CMDI
- {
- int ccmd; // Number of command dispatch structs in rgcmd
- CMD *rgcmd; // Table of command dispatch structures
- EDWP edwp; // Type of default window handler needed.
- } CMDI, FAR *LPCMDI; // Command Dispatch Information
-
- //
- // Message and command dispatching functions. They look up messages
- // and commands in the dispatch tables and call the appropriate handler
- // function.
- //
- LRESULT DispMessage(LPMSDI, HWND, UINT, WPARAM, LPARAM);
- LRESULT DispCommand(LPCMDI, HWND, WPARAM, LPARAM);
-
- extern MSDI msdiMain; // Message dispatch information for the main window
- extern CMDI cmdiMain; // Command dispatch information for the main window
-