📄 main.c
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COORD coord = {0};
// limits
if ( (x >= 0) && (x <= 78) && (y >= 0) && (y <= 24) )
{
coord.X = (short) x;
coord.Y = (short) y;
SetConsoleCursorPosition (GetStdHandle (STD_OUTPUT_HANDLE), coord);
}
else
{
if ( !((x >= 0) && (x <= 78)) )
{
ErrorMsg ("Error occured in function GotoXY (file \"main.c\"). Value x is not between 0 and 78 (x = %02d).", x);
}
if ( !((y >= 0) && (y <= 24)) )
{
ErrorMsg ("Error occured in function GotoXY (file \"main.c\"). Value y is not between 0 and 24 (y = %02d).", y);
}
}
}
/*
* Calculate ASCII table for certain codepage and print it on the screen
*/
void ASCII_Table (unsigned int CodePage)
{
short i = 0, j = 0, SpaceBetweenNumbers = 0;
// set codepage for ASCII table
SetConsoleCP (CodePage);
SetConsoleOutputCP (CodePage);
// print it on the screen
for (i = 0, SpaceBetweenNumbers = 0; i < 256; i++, SpaceBetweenNumbers += 2)
{
if (i % 16 == 0) { SpaceBetweenNumbers = 0; j++; }
Print (hX + SpaceBetweenNumbers, PRINT_ASCII_Y + j, BACK_LIGHTGREY, "%c", i);
}
}
/* !! DO NOT REMOVE THIS COMMENT !!
*
* Function name: TimeAndDate
* Function version: 1.0
* Input parameters: none
* Return value: char *
* Description: gets current time and date
* Example: char *GetTimeAndDate = NULL;
* if ((GetTimeAndDate = (char *) malloc (sizeof (char) * 80)) != NULL
* {
* sprintf (GetTimeAndDate, TimeAndDate);
* free (GetTimeAndDate);
* GetTimeAndDate = NULL;
* } else ErrorMsg ("Error occured");
* Limits: none
* Warnings: none
*
* Updates:
* - (!! here you write the updates - do not remove this line !!)
*
*/
char *TimeAndDate ()
{
char *TD = NULL;
time_t Now = 0;
if ((TD = (char *) malloc (sizeof (char) * 80)) != NULL)
{
Now = time (NULL);
// get time and date
strftime (TD, strlen (TD) + 1, "%x %X", localtime (&Now));
}
else
{
ErrorMsg ("Error occured while allocating space for TD variable in function TimeAndDate (file \"main.c\").");
}
return TD;
}
/* !! DO NOT REMOVE THIS COMMENT !!
*
* Function name: ClrScr
* Function version: 1.0
* Input parameters: - x (short)
* - y (short)
* - EraseLength (short)
* - NoOfLines (short)
* - EraseColor (WORD)
* - ErasePattern (char)
* Return value: none
* Description: clearing the specified region on the screen
* Example: ClrScr (0, 0, 80, 25, FRONT_LIGHTGREY, ' ');
* Limits: 0 <= x <= 79
* 0 <= y <= 24
* x+EraseLength <= 80
* y+NoOfLines <= 25
* Warnings: Read the GotoXY function, section Warnings, for more details.
*
* Updates:
* - (!! here you write the updates - do not remove this line !!)
*
*/
void ClrScr (short x, short y, short EraseLength, short NoOfLines, WORD EraseColor, char ErasePattern)
{
short i = 0, j = 0;
char Erase[26][81] = {0};
// limits
if ( (x >= 0) && (x <= 79) && (x+EraseLength <= 80) &&
(y >= 0) && (y <= 24) && (y+NoOfLines <= 25) )
{
for (i = 0; i < NoOfLines; i++)
{
for (j = 0; j < EraseLength; j++)
{
Erase[i][j] = ErasePattern;
}
Erase[i][j] = '\0';
Print (x, y+i, EraseColor, "%s", Erase);
}
}
else
{
if ( !((x >= 0) && (x <= 79)) )
{
ErrorMsg ("Error occured in function ClrScr (file \"main.c\"). Value x is not between 0 and 79 (x = %02d)", x);
}
if ( !((y >= 0) && (y <= 24)) )
{
ErrorMsg ("Error occured in function ClrScr (file \"main.c\"). Value y is not between 0 and 24 (y = %02d)", y);
}
if ( !(x+EraseLength <= 80) )
{
ErrorMsg ("Error occured in function ClrScr (file \"main.c\"). Value x+EraseLength is greater than 80 (x+EraseLength = %02d)", x+EraseLength);
}
if ( !(y+NoOfLines <= 25) )
{
ErrorMsg ("Error occured in function ClrScr (file \"main.c\"). Value y+NoOfLines is greater than 25 (y+NoOfLines = %02d)", y+NoOfLines);
}
}
}
/* !! DO NOT REMOVE THIS COMMENT !!
*
* Function name: SetColor
* Function version: 1.0
* Input parameters: - Color (WORD)
* Return value: BOOL
* Description: setting the console color
* Example: Color (FRONT_WHITE | BACK_LIGHTGREY);
* You'll find color names in the header file color.h
* Limits: none
* Warnings: none
*
* Updates:
* - (!! here you write the updates - do not remove this line !!)
*
*/
BOOL SetColor (WORD Color)
{
return SetConsoleTextAttribute (GetStdHandle (STD_OUTPUT_HANDLE), Color);
}
/* !! DO NOT REMOVE THIS COMMENT !!
*
* Function name: ConsoleTitle
* Function version: 1.0
* Input parameters: - String (char *)
* - ...
* Return value: none
* Description: setting the console title
* Example: ConsoleTitle ("MyTitle");
* Limits: none
* Warnings: none
*
* Updates:
* - (!! here you write the updates - do not remove this line !!)
*
*/
void ConsoleTitle (char *String, ...)
{
va_list List;
char FormattedString[80] = {0};
va_start (List, String);
vsprintf (FormattedString, String, List);
va_end (List);
SetConsoleTitle (FormattedString);
}
/* !! DO NOT REMOVE THIS COMMENT !!
*
* Function name: Print
* Function version: 1.0
* Input parameters: - x (short)
* - y (short)
* - Color (WORD)
* - String (char *)
* - ...
* Return value: none
* Description: prints text on the screen
* Example: Print (0, 0, FRONT_LIGHTGREY, "MyText");
* Limits: none
* Warnings: none
*
* Updates:
* - (!! here you write the updates - do not remove this line !!)
*
*/
void Print (short x, short y, WORD Color, char *String, ...)
{
COORD screenPosition = {0};
short i = 0, FormattedStringLength = 0;
va_list List;
char FormattedString[100] = {0};
HANDLE hOutput;
DWORD NoOfCharsWritten = 0, NoOfAttrsWritten = 0;
va_start (List, String);
vsprintf (FormattedString, String, List);
FormattedStringLength = (short) strlen (FormattedString);
va_end (List);
if ( (x >= 0) && (x <= 79) && (y >= 0) && (x+FormattedStringLength <= 80) && (y <= 25) )
{
hOutput = GetStdHandle(STD_OUTPUT_HANDLE);
for (i = 0; i < FormattedStringLength; i++)
{
screenPosition.X = (short) (x + i);
screenPosition.Y = (short) y;
WriteConsoleOutputCharacter (hOutput, &FormattedString[i], 1, screenPosition, &NoOfCharsWritten);
WriteConsoleOutputAttribute (hOutput, &Color, 1, screenPosition, &NoOfAttrsWritten);
}
if (NoOfAttrsWritten != NoOfCharsWritten)
{
ErrorMsg ("Error occured while writting characters and attributes on the screen in function Print (file \"main.c\"). NoOfCharsWritten = %02d ; NoOfAttrsWritten = %02d.", NoOfCharsWritten, NoOfAttrsWritten);
}
}
else
{
if ( !(x >= 0 && x <= 79) )
{
ErrorMsg ("Error occured in function Print (file \"main.c\"). Value x is not between 0 and 79 (x = %02d).", x);
}
if ( !(y >= 0 && y <= 24) )
{
ErrorMsg ("Error occured in function Print (file \"main.c\"). Value y is not between 0 and 24 (y = %02d).", y);
}
if ( !(x+FormattedStringLength <= 80) )
{
ErrorMsg ("Error occured in function Print (file \"main.c\"). Value x+FormattedStringLength is over 80 (x+FormattedStringLength = %02d).", x+FormattedStringLength);
}
}
}
/* !! DO NOT REMOVE THIS COMMENT !!
*
* Function name: ShowScreenCursor
* Function version: 1.0
* Input parameters: - Show (BOOL)
* Return value: none
* Description: setting the console screen cursor
* Example: ShowScreenCursor (TRUE); // this will turn on the screen cursor
* Limits: none
* Warnings: none
*
* Updates:
* - (!! here you write the updates - do not remove this line !!)
*
*/
BOOL ShowScreenCursor (BOOL Show)
{
CONSOLE_CURSOR_INFO cci = {0};
BOOL StatusCCI = 0;
if (Show) // show screen cursor
{
cci.dwSize = 30;
cci.bVisible = 1;
StatusCCI = SetConsoleCursorInfo (GetStdHandle (STD_OUTPUT_HANDLE), &cci);
}
else // hide screen cursor
{
cci.dwSize = 100;
cci.bVisible = 0;
StatusCCI = SetConsoleCursorInfo (GetStdHandle (STD_OUTPUT_HANDLE), &cci);
}
if (!StatusCCI)
{
ErrorMsg ("Error occured in function ShowScreenCursor (file \"main.c\"). Error code number = %u.", GetLastError ());
}
return StatusCCI;
}
/* !! DO NOT REMOVE THIS COMMENT !!
*
* Function name: ErrorMsg
* Function version: 1.0
* Input parameters: - Message (char *)
* - ...
* Return value: none
* Description: displays error message
* Example: ErrorMsg ("Error No.: %d", 5);
* Limits: dbErrMsg->Height+10+MsgCharY-1 < 25 --> look at the code for more information
* Warnings: programmer must properly format the text, otherwise some characters might get lost :(
*
* Updates:
* - (!! here you write the updates - do not remove this line !!)
*
*/
void ErrorMsg (char *Message, ...)
{
// input variables
HANDLE Stdin = 0;
INPUT_RECORD ir = {0};
DWORD Read = 0;
// component variables
DIALOGBOX_COMPONENT *dbErrMsg = NULL;
// common variables
short i = 0, j = 0; // counters
short MsgCharY = 0, MsgCharX2 = 0, MsgCharX1 = 0, MsgCharCount = 0; // variables used for formatting the text
short HelpIsDisplayed = 0; // flag which becomes true if help text is displayed in the status line
short xItemNameLength = 0, MsgLength = 0;
va_list List;
char FormattedMessage[1000] = {0};
// variables for menu buttons (Close, Save To File and Exit)
short ErrMsgDialogLoop = 0, xStartMenu[ERRMSG_MENU_NO_OF_ITEMS] = {0}, ErrMsgMenuValue = ERRMSG_MENU_DEFAULT_SELECTED;
short xEndMenu[ERRMSG_MENU_NO_OF_ITEMS] = {0}, yStartMenu[ERRMSG_MENU_NO_OF_ITEMS] = {0};
short WriteMenu = 0, MarkMenu = 0, MenuIndex = 0, MenuClicked = 0;
short MenuTempIndex = ERRMSG_MENU_DEFAULT_SELECTED, MenuSelected = 0;
char *ErrMsgMenuItems[ERRMSG_MENU_NO_OF_ITEMS] = {0}, *ErrMsgMenuHelp[ERRMSG_MENU_NO_OF_ITEMS] = {0};
// options
WORD ItemColor = 0, ItemHighLightColor = 0, DisabledItemColor = 0, DisabledItemHighLightColor = 0;
WORD HelpColor = 0;
short DisabledItem[3] = {0}, ShowHelp = 0;
// Save To File variables
FILE *FileSave = NULL;
// time and date
char *DateAndTime = NULL;
// reload menu item colors
ItemColor = FRONT_LIGHTGREY;
ItemHighLightColor = FRONT_WHITE;
DisabledItemColor = FRONT_DARKGREEN;
DisabledItemHighLightColor = FRONT_LIGHTGREEN;
HelpColor = FRONT_WHITE | BACK_LIGHTGREY;
// enable button Close and Save To File
DisabledItem[0] = FALSE;
DisabledItem[1] = FALSE;
DisabledItem[2] = FALSE;
ShowHelp = TRUE;
Stdin = GetStdHandle (STD_INPUT_HANDLE);
va_start (List, Message);
vsprintf (FormattedMessage, Message, List);
va_end (List);
// initialize ErrMsg dialog
if ((dbErrMsg = (DIALOGBOX_COMPONENT *) malloc (sizeof (DIALOGBOX_COMPONENT))) != NULL)
{
MsgLength = (short) strlen (FormattedMessage);
dbErrMsg->Length = 65;
dbErrMsg->x = ((CONSOLE_LENGTH - 1 - dbErrMsg->Length) / 2);
dbErrMsg->y = 6;
dbErrMsg->Height = 0;
// analyzing text
MsgCharY = 0;
for (i = 0; i < MsgLength; i++)
{
if (MsgCharCount + dbErrMsg->x + 8 >= dbErrMsg->Length - dbErrMsg->x + 8)
{
MsgCharX1++;
MsgCharY++;
MsgCharX2 = -1;
MsgCharCount = -1;
}
MsgCharX2++;
MsgCharCount++;
}
if (dbErrMsg->Height+10+MsgCharY-1 < 25) dbErrMsg->Height = 10+MsgCharY-1;
else
{
Print (0, 0, FRONT_LIGHTGREY, "Error message is too long!");
Print (0, 2, FRONT_LIGHTGREY, "Press any key to exit to the system ...");
}
i = MsgCharY = MsgCharX2 = MsgCharX1 = MsgCharCount = 0;
dbErrMsg->BorderColor = FRONT_WHITE;
dbErrMsg->IconColor = FRONT_LIGHTGREY;
dbErrMsg->IconHighLightColor = FRONT_WHITE;
dbErrMsg->TitleColor = FRONT_WHITE | BACK_DARKBLUE;
dbErrMsg->ShadowColor = BACK_DARKGREY;
dbErrMsg->Active = TRUE;
dbErrMsg->EnableExitIcon = TRUE;
dbErrMsg->EnableHelpIcon = FALSE;
dbErrMsg->DoubleLineBorder = FALSE;
dbErrMsg->ExitIconClicked = FALSE;
dbErrMsg->HelpIconClicked = FALSE;
dbErrMsg->IsInitialized = FALSE;
dbErrMsg->Pattern = ' ';
dbErrMsg->TitlePattern = ' ';
dbErrMsg->ShadowPattern = ' ';
dbErrMsg->LeftAlignedTitle = TRUE;
dbErrMsg->CenterAlignedTitle = FALSE;
dbErrMsg->RightAlignedTitle = FALSE;
dbErrMsg->EnableShadow = TRUE;
dbErrMsg->InputCodePage = 1250;
dbErrMsg->OutputCodePage = 1250;
sprintf (dbErrMsg->Title, "Error message");
dbErrMsg = DialogBoxComponent (dbErrMsg, ir, TRUE);
}
else
{
Print (0, 0, FRONT_LIGHTGREY, "Error occured while allocating space for dbErrMsg variable");
Print (0, 1, FRONT_LIGHTGREY, "in function ErrorMsg (file \"main.c\").");
Print (0, 3, FRONT_LIGHTGREY, "Press any key to exit to the system ...");
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