Glypha3/Source/Interface.c

//============================================================================
//----------------------------------------------------------------------------
//									Interface.c
//----------------------------------------------------------------------------
//============================================================================

// I put all interface related code in here.  Interface would include event<6E>
// handling, menus, dialog boxes, etc.  All the user interaction that takes<65>
// place before and after an actual game is in play.

#include "Externs.h"
#include <Sound.h>


#define kAppleMenuID		128
#define iAbout				1
#define kGameMenuID			129
#define iNewGame			1
#define iPauseGame			2
#define iEndGame			3
#define iQuit				5
#define kOptionsMenuID		130
#define iSettings			1
#define iHelp				2
#define iHighScores			3
#define kAboutPictID		132


void DoAppleMenu (short);
void DoGameMenu (short);
void DoOptionsMenu (short);
void UpdateMainWindow (void);
void HandleMouseEvent (EventRecord *);
void HandleKeyEvent (EventRecord *);
void HandleUpdateEvent (EventRecord *);
void HandleOSEvent (EventRecord *);
void HandleHighLevelEvent (EventRecord *);
void DoAbout (void);
void DoGameSettings (void);


Rect		mainWindowRect;
WindowPtr	mainWindow;
MenuHandle	appleMenu, gameMenu, optionsMenu;
Boolean		switchedOut, quitting, canPlay, openTheScores;

extern	prefsInfo	thePrefs;
extern	Rect		backSrcRect, workSrcRect;
extern	CGrafPtr	backSrcMap, workSrcMap;
extern	Boolean		pausing, playing, helpOpen, scoresOpen;


//==============================================================  Functions
//--------------------------------------------------------------  MenusReflectMode

// Depending on whether a game is in progress (paused) or not, I want<6E>
// menu items grayed out in one case and not grayed out in the other.
// This function, when called, displays the menus correctly depending<6E>
// on the mode we're in (playing or not playing, pausing or not).

void MenusReflectMode (void)
{
	if (playing)								// If a game is in progress<73>
	{
		DisableItem(gameMenu, iNewGame);		// Cannot begin another New Game.
		EnableItem(gameMenu, iPauseGame);		// Can Pause Game.
		if (pausing)							// If we are paused<65>
			SetItem(gameMenu, iPauseGame, 
					"\pResume Game");			// Rename item "Resume Game".
		else									// If we are not paused<65>
			SetItem(gameMenu, iPauseGame, 
					"\pPause Game");			// Rename item "Pause Game".
		EnableItem(gameMenu, iEndGame);			// Can End Game.
		DisableItem(optionsMenu, 0);			// Cannot change game settings.
	}
	else										// Else, if Glypha is idle<6C>
	{
		EnableItem(gameMenu, iNewGame);			// Can begin a New Game.
		DisableItem(gameMenu, iPauseGame);		// Cannot Pause Game.
		SetItem(gameMenu, iPauseGame, 
				"\pPause Game");				// Rename item "Pause Game".
		DisableItem(gameMenu, iEndGame);		// Cannot End Game.
		EnableItem(optionsMenu, 0);				// Can change game settings.
	}
}

//--------------------------------------------------------------  DoAppleMenu

// This function takes care of handling the Apple menu (Desk Assecories and the<68>
// About box).

void DoAppleMenu (short theItem)
{
	Str255		daName;
	GrafPtr		wasPort;
	short		daNumber;
	
	switch (theItem)							// Depending on the item selected<65>
	{
		case iAbout:							// If the About item was selected<65>
		if ((scoresOpen) || (helpOpen))			// If high scores or help screens up<75>
		{
			CloseWall();						// hide them.
			scoresOpen = FALSE;					// High scores no longer open.
			helpOpen = FALSE;					// Help screen is no longer open.
												// Uncheck help & high scores menu items.
			CheckItem(optionsMenu, iHelp, helpOpen);
			CheckItem(optionsMenu, iHighScores, scoresOpen);
		}
		DoAbout();								// Bring up the About dialog.
		break;
		
		default:								// If any other item was selected (DA)<29>
		GetItem(appleMenu, theItem, daName);	// Get the name of the item selected.
		GetPort(&wasPort);						// Remember our port.
		daNumber = OpenDeskAcc(daName);			// Launch the Desk Accesory.
		SetPort((GrafPtr)wasPort);				// When we return, restore port.
		break;
	}
}