globals.h

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/**
 * Globals.h	Copyright _ 2001 Li Zhaoming. All rights reserved.
 * Contains declarations for all globally scoped names in the program
 */

#define IDM_PLAY		201
#define IDM_TIMER		32900
#define TIMER_TIMEOUT	100

#define MAX_LOADSTRING	100

/**
 * 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);
 *
 * TO DO: Add message-handling function prototypes here. Be sure to
 *		add the function names to the main window message table in
 *		DataBrowser.cpp.
 */
LRESULT msgCommand		(HWND, UINT, WPARAM, LPARAM);
LRESULT msgCreate		(HWND, UINT, WPARAM, LPARAM);
LRESULT msgDestroy		(HWND, UINT, WPARAM, LPARAM);
LRESULT msgSize			(HWND, UINT, WPARAM, LPARAM);
LRESULT msgKeyDown		(HWND, UINT, WPARAM, LPARAM);
LRESULT msgTimer		(HWND, UINT, WPARAM, LPARAM);
LRESULT msgPaint		(HWND, UINT, WPARAM, LPARAM);
LRESULT msgGetMinMaxInfo(HWND, UINT, WPARAM, LPARAM);
LRESULT msgSysCommand	(HWND, UINT, WPARAM, LPARAM);
LRESULT msgNotify		(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);
 *
 * TO DO: Add message-handling function prototypes here. Be sure to
 *		add the function names to the main window command table in
 *		DataBrowser.cpp.
 */

LRESULT cmdExit(HWND, WORD, WORD, HWND);
LRESULT cmdAbout(HWND, WORD, WORD, HWND);
LRESULT cmdOpenFile(HWND, WORD, WORD, HWND);
LRESULT cmdPlay(HWND, WORD, WORD, HWND);
LRESULT cmdPause(HWND, WORD, WORD, HWND);
LRESULT cmdStop(HWND, WORD, WORD, HWND);
LRESULT cmdRewind(HWND, WORD, WORD, HWND);
LRESULT cmdForward(HWND, WORD, WORD, HWND);
LRESULT cmdRepeat(HWND, WORD, WORD, HWND);

LRESULT cmdToolbar(HWND, WORD, WORD, HWND);
LRESULT cmdTopMost(HWND, WORD, WORD, HWND);
LRESULT cmdFullScreen(HWND, WORD, WORD, HWND);

/**
 * Global function prototypes.
 * TO DO: Add global function prototypes here.
 */
BOOL createToolbar(HWND);
void updateStatusBar(LPCTSTR, double);
void openVideoFile(HWND, LPSTR);
BOOL centerWindow(HWND, HWND);
BOOL initApplication(HINSTANCE, int);

// Callback functions. These are called by Windows.
// TO DO: Add new callback function prototypes here.

LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
UINT CALLBACK ofnHookProc(HWND, UINT, WPARAM, LPARAM);
// -----------------------------------------------------------------------
// Global Variable declarations
//

extern HINSTANCE g_hinstance;	// The current instance
extern char szAppName[];
extern char szTitle[];
extern char szOpenPath[];

extern HWND	hwndRebar;
extern HWND hwndToolbar;
extern HWND	hwndTrack;
extern BOOL g_bFullScreen;

// TO DO: For NON-MDI applications, uncomment line 1 below and comment
//		line 2. For MDI applications, uncomment line 2 below, comment
//		line 1, and then define hwndMDIClient as a global variable in
//		WimMain.cpp
#define hwndMDIClient NULL		/* (1) Stub for NON-MDI applications.	*/
// extern HWND hwndMDIClient;	/* (2) For 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 dispatchMessage 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 dispatchCommand 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 dispatchMessage(LPMSDI, HWND, UINT, WPARAM, LPARAM);
LRESULT dispatchCommand(LPCMDI, HWND, WPARAM, LPARAM);

	// Message dispatch information for the main window
extern MSDI msdiMain;
	// Command dispatch information for the main window
extern CMDI cmdiMain;