main.c

一个ascii 码值计算原代码的例子

		Wait ();
		exit (1);
	}
	// text: Close
	if ((ErrMsgMenuItems[0] = (char *) malloc (sizeof (char *) * (strlen ("Close") + 1))) != NULL)
	{
		strncpy (ErrMsgMenuItems[0], "Close", strlen ("Close") + 1);
	}
	else
	{
		Print (0, 0, FRONT_LIGHTGREY, "Error occured while allocating space for variable");
		Print (0, 1, FRONT_LIGHTGREY, "ErrMsgMenuItems[0] in function ErrMsg (file");
		Print (0, 2, FRONT_LIGHTGREY, "\"main.c\").");
		Print (0, 4, FRONT_LIGHTGREY, "Press any key to exit to the system ...");
		Wait ();
		exit (1);
	}
	// text: Save To File
	if ((ErrMsgMenuItems[1] = (char *) malloc (sizeof (char *) * (strlen ("Save To File") + 1))) != NULL)
	{
		strncpy (ErrMsgMenuItems[1], "Save To File", strlen ("Save To File") + 1);
	}
	else
	{
		Print (0, 0, FRONT_LIGHTGREY, "Error occured while allocating space for variable");
		Print (0, 1, FRONT_LIGHTGREY, "ErrMsgMenuItems[1] in function ErrMsg (file");
		Print (0, 2, FRONT_LIGHTGREY, "\"main.c\").");
		Print (0, 4, FRONT_LIGHTGREY, "Press any key to exit to the system ...");
		Wait ();
		exit (1);
	}
	// text: Exit
	if ((ErrMsgMenuItems[2] = (char *) malloc (sizeof (char *) * (strlen ("Exit") + 1))) != NULL)
	{
		strncpy (ErrMsgMenuItems[2], "Exit", strlen ("Exit") + 1);
	}
	else
	{
		Print (0, 0, FRONT_LIGHTGREY, "Error occured while allocating space for variable");
		Print (0, 1, FRONT_LIGHTGREY, "ErrMsgMenuItems[2] in function ErrMsg (file");
		Print (0, 2, FRONT_LIGHTGREY, "\"main.c\").");
		Print (0, 4, FRONT_LIGHTGREY, "Press any key to exit to the system ...");
		Wait ();
		exit (1);
	}
	// load menu help for each item
	// help: ErrMsg & close the dialog.
	if ((ErrMsgMenuHelp[0] = (char *) malloc (sizeof (char *) * (strlen ("Closes the dialog.") + 1 + HELP_ERASE_LENGTH))) != NULL)
	{
		strncpy (ErrMsgMenuHelp[0], "Closes the dialog.", strlen ("Closes the dialog.") + 1 + HELP_ERASE_LENGTH);
	}
	else
	{
		Print (0, 0, FRONT_LIGHTGREY, "Error occured while allocating space for variable");
		Print (0, 1, FRONT_LIGHTGREY, "ErrMsgMenuHelp[0] in function ErrMsg (file");
		Print (0, 2, FRONT_LIGHTGREY, "\"main.c\").");
		Print (0, 4, FRONT_LIGHTGREY, "Press any key to exit to the system ...");
		Wait ();
		exit (1);
	}
	if ((ErrMsgMenuHelp[1] = (char *) malloc (sizeof (char *) * (strlen ("Saves error message into a file \"error.log\" and closes the dialog box.") + 1 + HELP_ERASE_LENGTH))) != NULL)
	{
		strncpy (ErrMsgMenuHelp[1], "Saves error message into a file \"error.log\" and closes the dialog box.", strlen ("Saves error message into a file \"error.log\" and closes the dialog box.") + 1 + HELP_ERASE_LENGTH);
	}
	else
	{
		Print (0, 0, FRONT_LIGHTGREY, "Error occured while allocating space for variable");
		Print (0, 1, FRONT_LIGHTGREY, "ErrMsgMenuHelp[1] in function ErrMsg (file");
		Print (0, 2, FRONT_LIGHTGREY, "\"main.c\").");
		Print (0, 4, FRONT_LIGHTGREY, "Press any key to exit to the system ...");
		Wait ();
		exit (1);
	}
	if ((ErrMsgMenuHelp[2] = (char *) malloc (sizeof (char *) * (strlen ("Exits the program.") + 1 + HELP_ERASE_LENGTH))) != NULL)
	{
		strncpy (ErrMsgMenuHelp[2], "Exits the program.", strlen ("Exits the program.") + 1 + HELP_ERASE_LENGTH);
	}
	else
	{
		Print (0, 0, FRONT_LIGHTGREY, "Error occured while allocating space for variable");
		Print (0, 1, FRONT_LIGHTGREY, "ErrMsgMenuHelp[2] in function ErrMsg (file");
		Print (0, 2, FRONT_LIGHTGREY, "\"main.c\").");
		Print (0, 4, FRONT_LIGHTGREY, "Press any key to exit to the system ...");
		Wait ();
		exit (1);
	}
	// with this, before the help gets printed, I can avoid to delete the previous text - very useful
	// I don't have to use ClrScr function
	for (i = 0; i < ERRMSG_MENU_NO_OF_ITEMS; i++)
	{
		for (j = 0; j < HELP_ERASE_LENGTH; j++)
		{
			if (ErrMsgMenuHelp[i][j] == '\0')
			{
				ErrMsgMenuHelp[i][j] = ' ';
				ErrMsgMenuHelp[i][j+1] = '\0';
			}
		}
	}
	// calculate load menu coordinates
	for (i = 0, xItemNameLength = 0; i < ERRMSG_MENU_NO_OF_ITEMS; i++)
	{
		xStartMenu[i] = ERRMSG_MENU_X + xItemNameLength;
		xEndMenu[i] = xStartMenu[i] + (short) strlen (ErrMsgMenuItems[i]) - 1;
		yStartMenu[i] = ERRMSG_MENU_Y;
		xItemNameLength += 0 + (short) strlen (ErrMsgMenuItems[i]);
		// do not count the space for the last menu button
		if (i != ERRMSG_MENU_NO_OF_ITEMS-1) xItemNameLength += 0 + ERRMSG_MENU_SPACE_BETWEEN_ITEMS;
	}
	// print ErrMsg menu
	for (i = 0; i < ERRMSG_MENU_NO_OF_ITEMS; i++)
	{
		if (ERRMSG_MENU_DEFAULT_SELECTED == i)
		{
			// checking if the menu item is disabled. If it is then color it diferently
			if (DisabledItem[i]) Print (xStartMenu[i], yStartMenu[i], DisabledItemHighLightColor, "%s", ErrMsgMenuItems[i]);
			else Print (xStartMenu[i], yStartMenu[i], ItemHighLightColor, "%s", ErrMsgMenuItems[i]);
			MarkMenu = MenuSelected = 1;
			// print help in the status line
			if (ShowHelp)
			{
				Print (HELP_X, HELP_Y, HelpColor, "%s", ErrMsgMenuHelp[i]);
				HelpIsDisplayed = 1;
			}
		}
		else
		{
			if (DisabledItem[i]) Print (xStartMenu[i], yStartMenu[i], DisabledItemColor, "%s", ErrMsgMenuItems[i]);
			else Print (xStartMenu[i], yStartMenu[i], ItemColor, "%s", ErrMsgMenuItems[i]);
		}
	}
	// print exclamation mark
	Print (dbErrMsg->x + 2, dbErrMsg->y + 3, FRONT_WHITE | BACK_LIGHTRED, "    ");
	Print (dbErrMsg->x + 2, dbErrMsg->y + 4, FRONT_WHITE | BACK_LIGHTRED, " !! ");
	Print (dbErrMsg->x + 2, dbErrMsg->y + 5, FRONT_WHITE | BACK_LIGHTRED, "    ");
	// formating text in a dialog box
	MsgCharY = 0;
	for (i = 0; i < MsgLength; i++)
	{
		if (MsgCharCount + dbErrMsg->x + 8 >= dbErrMsg->Length - dbErrMsg->x + 8)
		{
			Print (dbErrMsg->x + 8 + MsgCharX1, dbErrMsg->y + 5 + MsgCharY, FRONT_LIGHTGREY, "%c", FormattedMessage[i]);
			MsgCharX1++;
			MsgCharY++;
			MsgCharX2 = -1;
			MsgCharCount = -1;
		}
		else Print (dbErrMsg->x+8+MsgCharX2, dbErrMsg->y+4+MsgCharY, FRONT_LIGHTGREY, "%c", FormattedMessage[i]);
		MsgCharX2++;
		MsgCharCount++;
	}
	// load main loop
	ErrMsgDialogLoop = 1;
	while (ErrMsgDialogLoop)
	{
		ReadConsoleInput (Stdin, &ir, 1, &Read);
		dbErrMsg = DialogBoxComponent (dbErrMsg, ir, FALSE);
		if (dbErrMsg->ExitIconClicked)
		{
			// same as Close button
			ErrMsgDialogLoop = 0;
			// free memory
			for (i = 0; i < ERRMSG_MENU_NO_OF_ITEMS; i++)
			{
				free (ErrMsgMenuItems[i]);
				ErrMsgMenuItems[i] = NULL;
				free (ErrMsgMenuHelp[i]);
				ErrMsgMenuHelp[i] = NULL;
			}
			free (dbErrMsg);
			dbErrMsg = NULL;
		}
		// mouse
		if (ir.EventType == MOUSE_EVENT)
		{
			if (ir.Event.MouseEvent.dwEventFlags == MOUSE_MOVED)
			{
				// within the range of a load menu items
				if ( (ir.Event.MouseEvent.dwMousePosition.X >= xStartMenu[MenuIndex]) &&
					 (ir.Event.MouseEvent.dwMousePosition.X <= xEndMenu[MenuIndex]) &&
					 (ir.Event.MouseEvent.dwMousePosition.Y == yStartMenu[MenuIndex]) )
				{
					// print the menu button only once
					if ( (MenuTempIndex != MenuIndex) || (!MenuSelected) )
					{
						WriteMenu = 1;
						MarkMenu = MenuSelected = 1;
						MenuTempIndex = MenuIndex;
						MenuIndex++;
						if (MenuIndex >= ERRMSG_MENU_NO_OF_ITEMS) MenuIndex = 0;
					}
				}
				else
				{
					MenuClicked = 0;
					// menu
					MenuIndex++;
					if (MenuIndex >= ERRMSG_MENU_NO_OF_ITEMS) MenuIndex = 0;
				}
			} // end if MOUSE_MOVED
			if (ir.Event.MouseEvent.dwButtonState == FROM_LEFT_1ST_BUTTON_PRESSED) // left mouse click
			{
				// within the range of a horizontal menu button
				if ( (ir.Event.MouseEvent.dwMousePosition.X >= xStartMenu[MenuTempIndex]) &&
					 (ir.Event.MouseEvent.dwMousePosition.X <= xEndMenu[MenuTempIndex]) &&
					 (ir.Event.MouseEvent.dwMousePosition.Y == yStartMenu[MenuTempIndex]) )
				{
					if (!MenuClicked)
					{
						// simulating key return
						keybd_event	(VK_RETURN,	0x1c, 0, 0);
						keybd_event	(VK_RETURN,	0x1c, KEYEVENTF_KEYUP, 0);
					}
				}
				else
				{
					if (MenuSelected)
					{
						// menu
						WriteMenu = 1; MarkMenu = MenuSelected = 0;
					}
				}
			} // end if FROM_LEFT_1ST_BUTTON_PRESSED
		} // end if MOUSE_EVENT
		// if component is selected
		if (MenuSelected)
		{
			if (ir.EventType == KEY_EVENT && ir.Event.KeyEvent.bKeyDown)
			{
				// key F10 for menu
				if (ir.Event.KeyEvent.wVirtualKeyCode == VK_F10)
				{
					// menu
					MenuSelected  = 1;
					WriteMenu     = 1;
					MarkMenu      = 1;
					MenuClicked   = 0;
				}
				// left arrow key
				else if (ir.Event.KeyEvent.wVirtualKeyCode == VK_LEFT)
				{
					if (MenuSelected)
					{
						WriteMenu = 1;
						MarkMenu  = 1;
						MenuTempIndex -= 1;
						MenuClicked = 0;
						if (MenuTempIndex < 0) MenuTempIndex = ERRMSG_MENU_NO_OF_ITEMS-1;
					}
				}
				// right arrow key
				else if (ir.Event.KeyEvent.wVirtualKeyCode == VK_RIGHT)
				{
					if (MenuSelected)
					{
						WriteMenu = 1;
						MarkMenu  = 1;
						MenuTempIndex += 1;
						MenuClicked = 0;
						if (MenuTempIndex >= ERRMSG_MENU_NO_OF_ITEMS) MenuTempIndex = 0;
					}
				}
				// return and space key
				else if ( (ir.Event.KeyEvent.wVirtualKeyCode == VK_RETURN) ||
					      (ir.Event.KeyEvent.wVirtualKeyCode == VK_SPACE) )
				{
					if (!MenuClicked)
					{
						ErrMsgMenuValue = MenuTempIndex;
						if (ErrMsgMenuValue == ERRMSG_MENU_CLOSE)
						{
							MenuClicked = 1;
							MarkMenu = 1;
							ErrMsgDialogLoop = 0;
							dbErrMsg->Active = 0;
							// write previous data back on the screen
							WriteDialogBoxData (dbErrMsg->Data, dbErrMsg->x, dbErrMsg->y, dbErrMsg->Length, dbErrMsg->Height);
							// free memory
							for (i = 0; i < ERRMSG_MENU_NO_OF_ITEMS; i++)
							{
								free (ErrMsgMenuItems[i]);
								ErrMsgMenuItems[i] = NULL;
								free (ErrMsgMenuHelp[i]);
								ErrMsgMenuHelp[i] = NULL;
							}
							free (dbErrMsg);
							dbErrMsg = NULL;
						}
						else if (ErrMsgMenuValue == ERRMSG_MENU_SAVETOFILE)
						{
							MenuClicked = 1;
							MarkMenu = 1;
							ErrMsgDialogLoop = 0;
							dbErrMsg->Active = 0;
							// save error message into a file
							if ((FileSave = fopen ("error.log", "at+")) != NULL)
							{
								// allocate space
								if ((DateAndTime = (char *) malloc (sizeof (char) * 80)) != NULL)
								{
									DateAndTime = TimeAndDate ();
									fprintf (FileSave, "------------------ Error message generated at %s ------------------\n", DateAndTime); 
									fprintf (FileSave, "%s\n", FormattedMessage);
									fprintf (FileSave, "-------------------------------------------------------------------------------------------------------\n\n");
									fclose (FileSave);
									free (DateAndTime);
									DateAndTime = NULL;
								}
								else
								{
									Print (0, 0, FRONT_LIGHTGREY, "Error allocating space for variable DateAndTime in function");
									Print (0, 1, FRONT_LIGHTGREY, "ErrorMsg (file \"main.c\").");
									Print (0, 3, FRONT_LIGHTGREY, "Press any key to exit to the system ...");
									Wait ();
									exit (1);
								}
							}
							else
							{
								Print (0, 0, FRONT_LIGHTGREY, "Can not create file \"error.log\".");
								Print (0, 2, FRONT_LIGHTGREY, "Press any key to exit to the system ...");
								Wait ();
								exit (1);
							}
							// write previous data back on the screen
							WriteDialogBoxData (dbErrMsg->Data, dbErrMsg->x, dbErrMsg->y, dbErrMsg->Length, dbErrMsg->Height);
							// free memory
							for (i = 0; i < ERRMSG_MENU_NO_OF_ITEMS; i++)
							{
								free (ErrMsgMenuItems[i]);
								ErrMsgMenuItems[i] = NULL;
								free (ErrMsgMenuHelp[i]);
								ErrMsgMenuHelp[i] = NULL;
							}
							free (dbErrMsg);
							dbErrMsg = NULL;
						}
						else if (ErrMsgMenuValue == ERRMSG_MENU_EXIT)
						{
							MenuClicked = 1;
							MarkMenu = 1;
							ErrMsgDialogLoop = 0;
							dbErrMsg->Active = 0;
							// write previous data back on the screen
							WriteDialogBoxData (dbErrMsg->Data, dbErrMsg->x, dbErrMsg->y, dbErrMsg->Length, dbErrMsg->Height);
							// free memory
							for (i = 0; i < ERRMSG_MENU_NO_OF_ITEMS; i++)
							{
								free (ErrMsgMenuItems[i]);
								ErrMsgMenuItems[i] = NULL;
								free (ErrMsgMenuHelp[i]);
								ErrMsgMenuHelp[i] = NULL;
							}
							free (dbErrMsg);
							dbErrMsg = NULL;
							exit (1);
						}
					}
				} // end if key return or space was pressed
			} // end if keyboard
		}
		else // end if MenuSelected
		{
			if ( (ShowHelp) && (HelpIsDisplayed) )
			{
				Print (HELP_X, HELP_Y, HelpColor, "Press F10 for menu.                                                          ");
				HelpIsDisplayed = FALSE;
			}
			// these keys are available only when the component is unselected
			if (ir.EventType == KEY_EVENT && ir.Event.KeyEvent.bKeyDown)
			{
				// key F10 for menu
				if (ir.Event.KeyEvent.wVirtualKeyCode == VK_F10)
				{
					// menu
					MenuSelected  = 1;
					WriteMenu     = 1;
					MarkMenu      = 1;
					MenuClicked   = 0;
				}
			} // end if (ir.EventType == KEY_EVENT && ir.Event.KeyEvent.bKeyDown)
		} // end if !MenuSelected
		// printing menu items
		if (WriteMenu)
		{
			for (i = 0; i < ERRMSG_MENU_NO_OF_ITEMS; i++)
			{
				if (ErrMsgMenuItems[i] != NULL)
				{
					if (DisabledItem[i]) Print (xStartMenu[i], yStartMenu[i], DisabledItemColor, "%s", ErrMsgMenuItems[i]);
					else Print (xStartMenu[i], yStartMenu[i], ItemColor, "%s", ErrMsgMenuItems[i]);
				}
			}
			if (MarkMenu)
			{
				if (ErrMsgMenuItems[MenuTempIndex] != NULL)
				{
					if (DisabledItem[MenuTempIndex]) Print (xStartMenu[MenuTempIndex], yStartMenu[MenuTempIndex], DisabledItemHighLightColor, "%s", ErrMsgMenuItems[MenuTempIndex]);
					else Print (xStartMenu[MenuTempIndex], yStartMenu[MenuTempIndex], ItemHighLightColor, "%s", ErrMsgMenuItems[MenuTempIndex]);
					// print help in the status line
					if (ShowHelp)
					{
						Print (HELP_X, HELP_Y, HelpColor, "%s", ErrMsgMenuHelp[MenuTempIndex]);
						HelpIsDisplayed = 1;
					}
				}
				MarkMenu = 0;
			}
			WriteMenu = 0;
		}
	} // end of while (ErrMsgDialogLoop)
}
void Wait ()
{
	getch ();
}