📄 main.c
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(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 >= MAIN_MENU_NO_OF_ITEMS) MenuIndex = 0;
}
// CODEPAGE edit box
if (ebSelected[CODEPAGE_EB_CODEPAGE])
{
ebSelected[CODEPAGE_EB_CODEPAGE] = 0;
ShowScreenCursor (0);
}
}
else
{
MenuClicked = 0;
MenuIndex++;
if (MenuIndex >= MAIN_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 vertical menu buttons
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 = 0; MenuSelected = 0;
}
}
if ( (ir.Event.MouseEvent.dwMousePosition.X >= hX) &&
(ir.Event.MouseEvent.dwMousePosition.X <= hX+30) &&
(ir.Event.MouseEvent.dwMousePosition.Y >= PRINT_ASCII_Y+1) &&
(ir.Event.MouseEvent.dwMousePosition.Y <= PRINT_ASCII_Y+16) )
{
if ( (ASCII) && (ir.Event.MouseEvent.dwMousePosition.X % 2 == 0) )
{
Row = (ir.Event.MouseEvent.dwMousePosition.X - hX) / 2;
Line = ir.Event.MouseEvent.dwMousePosition.Y - (hY + 2);
Result = 16 * Line + Row;
Print (gbCodePage->x + 2, gbCodePage->y + 11, FRONT_WHITE | BACK_LIGHTGREY, "ASCII code for '%c' is %03d.", Result, Result);
}
}
// CODEPAGE edit box
if ( (ir.Event.MouseEvent.dwMousePosition.X >= ebX[CODEPAGE_EB_CODEPAGE]) &&
(ir.Event.MouseEvent.dwMousePosition.X <= ebX[CODEPAGE_EB_CODEPAGE]+ebLength[CODEPAGE_EB_CODEPAGE]-1) &&
(ir.Event.MouseEvent.dwMousePosition.Y == ebY[CODEPAGE_EB_CODEPAGE]) )
{
// show screen cursor and select edit box
ShowScreenCursor (1);
ebSelected[CODEPAGE_EB_CODEPAGE] = 1;
// x[CODEPAGE_EB_CODEPAGE] value is equal to the "mouse click" x[CODEPAGE_EB_CODEPAGE] coordinate
x[CODEPAGE_EB_CODEPAGE] = ir.Event.MouseEvent.dwMousePosition.X;
GotoXY (x[CODEPAGE_EB_CODEPAGE], ebY[CODEPAGE_EB_CODEPAGE]); // set the screen cursor to the right position
// ebIndex[CODEPAGE_EB_CODEPAGE] must be between 0 and Edit->Length-1
ebIndex[CODEPAGE_EB_CODEPAGE] = x[CODEPAGE_EB_CODEPAGE] - ebX[CODEPAGE_EB_CODEPAGE];
}
else
{
ebSelected[CODEPAGE_EB_CODEPAGE] = 0;
ShowScreenCursor (0);
}
} // end if FROM_LEFT_1ST_BUTTON_PRESSED
} // end if MOUSE_EVENT
if ( (MenuSelected) || (ebSelected[CODEPAGE_EB_CODEPAGE]) )
{
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;
// Unselect edit boxes
ebSelected[CODEPAGE_EB_CODEPAGE] = 0;
ShowScreenCursor (0);
}
// key LEFT_ALT + ('c' or 'C') for codepage edit box
else if ( ((ir.Event.KeyEvent.wVirtualKeyCode == 'c') ||
(ir.Event.KeyEvent.wVirtualKeyCode == 'C')) &&
(ir.Event.KeyEvent.dwControlKeyState == LEFT_ALT) )
{
if (!ebSelected[CODEPAGE_EB_CODEPAGE])
{
// menu
WriteMenu = 1;
MarkMenu = 0;
MenuSelected = 0;
// edit box
ebSelected[CODEPAGE_EB_CODEPAGE] = 1;
ShowScreenCursor (1);
// x[CODEPAGE_EB_CODEPAGE] value is equal to the "mouse click" x[CODEPAGE_EB_CODEPAGE] coordinate
x[CODEPAGE_EB_CODEPAGE] = ebX[CODEPAGE_EB_CODEPAGE];
GotoXY (x[CODEPAGE_EB_CODEPAGE], ebY[CODEPAGE_EB_CODEPAGE]); // set the screen cursor to the right position
// ebIndex[CODEPAGE_EB_CODEPAGE] must be between 0 and Edit->Length-1
ebIndex[CODEPAGE_EB_CODEPAGE] = x[CODEPAGE_EB_CODEPAGE] - ebX[CODEPAGE_EB_CODEPAGE];
}
}
// up arrow key
else if (ir.Event.KeyEvent.wVirtualKeyCode == VK_UP)
{
if (MenuSelected)
{
WriteMenu = 1;
MarkMenu = 1;
MenuTempIndex -= 1;
MenuClicked = 0;
if (MenuTempIndex < 0) MenuTempIndex = MAIN_MENU_NO_OF_ITEMS-1;
}
}
// down arrow key
else if (ir.Event.KeyEvent.wVirtualKeyCode == VK_DOWN)
{
if (MenuSelected)
{
WriteMenu = 1;
MarkMenu = 1;
MenuTempIndex += 1;
MenuClicked = 0;
if (MenuTempIndex >= MAIN_MENU_NO_OF_ITEMS) MenuTempIndex = 0;
}
}
// left arrow key
else if (ir.Event.KeyEvent.wVirtualKeyCode == VK_LEFT)
{
if (ebSelected[CODEPAGE_EB_CODEPAGE])
{
// screen cursor is moving left
if (ebIndex[CODEPAGE_EB_CODEPAGE] > 0)
{
GotoXY (--x[CODEPAGE_EB_CODEPAGE], ebY[CODEPAGE_EB_CODEPAGE]);
--ebIndex[CODEPAGE_EB_CODEPAGE];
}
}
}
// right arrow key
else if (ir.Event.KeyEvent.wVirtualKeyCode == VK_RIGHT)
{
if (ebSelected[CODEPAGE_EB_CODEPAGE])
{
// screen cursor is moving right
if (ebIndex[CODEPAGE_EB_CODEPAGE] < ebLength[CODEPAGE_EB_CODEPAGE]-1)
{
GotoXY (++x[CODEPAGE_EB_CODEPAGE], ebY[CODEPAGE_EB_CODEPAGE]);
++ebIndex[CODEPAGE_EB_CODEPAGE];
}
}
}
// return and space key
else if ( (ir.Event.KeyEvent.wVirtualKeyCode == VK_RETURN) ||
(ir.Event.KeyEvent.wVirtualKeyCode == VK_SPACE) )
{
if (!ebSelected[CODEPAGE_EB_CODEPAGE])
{
// if menu item is enabled then continue else do nothing
if ( (!DisabledItem[MenuTempIndex]) && (!MenuClicked) )
{
MainMenuValue = MenuTempIndex;
MarkMenu = 1;
MenuClicked = 1;
if (MainMenuValue == MAIN_MENU_SHOW_ASCII_TABLE)
{
CodePage = atol (ebCodePage);
if ( (CodePage <= 65001) && (CodePage > 0) )
{
ASCII = TRUE;
ASCII_Table (CodePage);
}
else
{
ASCII = FALSE;
ErrorMsg (" Code page must be between 65001 and 0 !!");
}
}
else if (MainMenuValue == MAIN_MENU_HELP)
{
// free memory
for (i = 0; i < MAIN_MENU_NO_OF_ITEMS; i++)
{
free (MainMenuItems[i]);
MainMenuItems[i] = NULL;
free (MainMenuHelp[i]);
MainMenuHelp[i] = NULL;
}
// help dialog
HelpDialog ();
// redraw main menu
ReDrawMainMenu = TRUE;
}
else if (MainMenuValue == MAIN_MENU_AUTHOR)
{
// free memory
for (i = 0; i < MAIN_MENU_NO_OF_ITEMS; i++)
{
free (MainMenuItems[i]);
MainMenuItems[i] = NULL;
free (MainMenuHelp[i]);
MainMenuHelp[i] = NULL;
}
// author dialog
AuthorDialog ();
// redraw main menu
ReDrawMainMenu = TRUE;
}
else if (MainMenuValue == MAIN_MENU_EXIT)
{
// free memory
for (i = 0; i < MAIN_MENU_NO_OF_ITEMS; i++)
{
free (MainMenuItems[i]);
MainMenuItems[i] = NULL;
free (MainMenuHelp[i]);
MainMenuHelp[i] = NULL;
}
free (gbCodePage);
gbCodePage = NULL;
// disable main menu loop and exit the program
MainMenuLoop = FALSE;
}
}
}
if (ir.Event.KeyEvent.wVirtualKeyCode == VK_SPACE)
{
if (ebSelected[CODEPAGE_EB_CODEPAGE])
{
if (ebIndex[CODEPAGE_EB_CODEPAGE] < ebLength[CODEPAGE_EB_CODEPAGE])
{
// filling array with the character
ebCodePage[ebIndex[CODEPAGE_EB_CODEPAGE]] = (char) ir.Event.KeyEvent.uChar.AsciiChar;
// printing character on the screen
SetColor (ebColor[CODEPAGE_EB_CODEPAGE]);
GotoXY (x[CODEPAGE_EB_CODEPAGE]++, ebY[CODEPAGE_EB_CODEPAGE]);
putchar (ebCodePage[ebIndex[CODEPAGE_EB_CODEPAGE]++]);
}
ebCodePage[ebLength[CODEPAGE_EB_CODEPAGE]] = '\0';
}
}
} // end if key return or space was pressed
else if (ir.Event.KeyEvent.wVirtualKeyCode == VK_BACK) // backspace key
{
if ( (ebIndex[CODEPAGE_EB_CODEPAGE] > 0) && (ebSelected[CODEPAGE_EB_CODEPAGE]) )
{
Print (--x[CODEPAGE_EB_CODEPAGE], ebY[CODEPAGE_EB_CODEPAGE], ebColor[CODEPAGE_EB_CODEPAGE], " ");
GotoXY (x[CODEPAGE_EB_CODEPAGE], ebY[CODEPAGE_EB_CODEPAGE]);
ebCodePage[--ebIndex[CODEPAGE_EB_CODEPAGE]] = ' ';
}
}
else if (ir.Event.KeyEvent.wVirtualKeyCode == VK_HOME) // home key
{
// move screen cursor to the start of the EDIT component only if the edit box is selected
if (ebSelected[CODEPAGE_EB_CODEPAGE])
{
x[CODEPAGE_EB_CODEPAGE] = ebX[CODEPAGE_EB_CODEPAGE];
GotoXY (x[CODEPAGE_EB_CODEPAGE], ebY[CODEPAGE_EB_CODEPAGE]);
ebIndex[CODEPAGE_EB_CODEPAGE] = 0;
}
}
else if (ir.Event.KeyEvent.wVirtualKeyCode == VK_END) // end key
{
// move screen cursor to the end of the EDIT component only if the edit box is selected
if (ebSelected[CODEPAGE_EB_CODEPAGE])
{
x[CODEPAGE_EB_CODEPAGE] = ebX[CODEPAGE_EB_CODEPAGE]+ebLength[CODEPAGE_EB_CODEPAGE]-1;
GotoXY (x[CODEPAGE_EB_CODEPAGE], ebY[CODEPAGE_EB_CODEPAGE]);
ebIndex[CODEPAGE_EB_CODEPAGE] = ebLength[CODEPAGE_EB_CODEPAGE]-1;
}
}
else if (ir.Event.KeyEvent.wVirtualKeyCode == VK_DELETE) // delete key
{
if (ebSelected[CODEPAGE_EB_CODEPAGE])
{
ebCodePage[ebIndex[CODEPAGE_EB_CODEPAGE]] = ' ';
Print (x[CODEPAGE_EB_CODEPAGE], ebY[CODEPAGE_EB_CODEPAGE], ebColor[CODEPAGE_EB_CODEPAGE], "%c", ebCodePage[ebIndex[CODEPAGE_EB_CODEPAGE]]);
}
}
else if ( (ir.Event.KeyEvent.wVirtualKeyCode == VK_SHIFT) ||
(ir.Event.KeyEvent.wVirtualKeyCode == VK_UP) ||
(ir.Event.KeyEvent.wVirtualKeyCode == VK_DOWN) ||
(ir.Event.KeyEvent.wVirtualKeyCode == VK_ESCAPE) ||
(ir.Event.KeyEvent.dwControlKeyState == LEFT_ALT) )
{
// do nothing !!
}
else
{
if (ebSelected[CODEPAGE_EB_CODEPAGE])
{
// only accept numbers
if ( (ir.Event.KeyEvent.uChar.AsciiChar >= '0') && (ir.Event.KeyEvent.uChar.AsciiChar <= '9') )
{
if (ebIndex[CODEPAGE_EB_CODEPAGE] < ebLength[CODEPAGE_EB_CODEPAGE])
{
// filling array with the character
ebCodePage[ebIndex[CODEPAGE_EB_CODEPAGE]] = (char) ir.Event.KeyEvent.uChar.AsciiChar;
// printing character on the screen
SetColor (ebColor[CODEPAGE_EB_CODEPAGE]);
GotoXY (x[CODEPAGE_EB_CODEPAGE]++, ebY[CODEPAGE_EB_CODEPAGE]);
putchar (ebCodePage[ebIndex[CODEPAGE_EB_CODEPAGE]++]);
}
ebCodePage[ebLength[CODEPAGE_EB_CODEPAGE]] = '\0';
}
}
}
} // end if keyboard
}
else // end if MenuSelected
{
if ( (ShowHelp) && (HelpIsDisplayed) )
{
Print (HELP_X, HELP_Y, HelpColor, "Press F10 for menu. ");
HelpIsDisplayed = FALSE;
}
// key F10 is available only when the menu is unselected
if (ir.EventType == KEY_EVENT && ir.Event.KeyEvent.bKeyDown)
{
// key F10
if (ir.Event.KeyEvent.wVirtualKeyCode == VK_F10)
{
MenuSelected = 1;
WriteMenu = 1;
MarkMenu = 1;
MenuClicked = 0;
// edit box
ebSelected[CODEPAGE_EB_CODEPAGE] = 0;
ShowScreenCursor (0);
}
// key LEFT_ALT + ('c' or 'C') for file name edit box
else if ( ((ir.Event.KeyEvent.wVirtualKeyCode == 'c') ||
(ir.Event.KeyEvent.wVirtualKeyCode == 'C')) &&
(ir.Event.KeyEvent.dwControlKeyState == LEFT_ALT) )
{
// menu
WriteMenu = 1;
MenuSelected = 0;
// edit box
ebSelected[CODEPAGE_EB_CODEPAGE] = 1;
ShowScreenCursor (1);
// x[CODEPAGE_EB_CODEPAGE] value is equal to the "mouse click" x[CODEPAGE_EB_CODEPAGE] coordinate
x[CODEPAGE_EB_CODEPAGE] = ebX[CODEPAGE_EB_CODEPAGE];
GotoXY (x[CODEPAGE_EB_CODEPAGE], ebY[CODEPAGE_EB_CODEPAGE]); // set the screen cursor to the right position
// ebIndex[CODEPAGE_EB_CODEPAGE] must be between 0 and Edit->Length-1
ebIndex[CODEPAGE_EB_CODEPAGE] = x[CODEPAGE_EB_CODEPAGE] - ebX[CODEPAGE_EB_CODEPAGE];
}
}
}
if (WriteMenu)
{
for (i = 0; i < MAIN_MENU_NO_OF_ITEMS; i++)
{
if (MainMenuItems[i] != NULL)
{
if (DisabledItem[i]) Print (xStartMenu[i], yStartMenu[i], DisabledItemColor, "%s", MainMenuItems[i]);
else Print (xStartMenu[i], yStartMenu[i], ItemColor, "%s", MainMenuItems[i]);
}
}
if (MarkMenu)
{
if (MainMenuItems[MenuTempIndex] != NULL)
{
if (DisabledItem[MenuTempIndex]) Print (xStartMenu[MenuTempIndex], yStartMenu[MenuTempIndex], DisabledItemHighLightColor, "%s", MainMenuItems[MenuTempIndex]);
else Print (xStartMenu[MenuTempIndex], yStartMenu[MenuTempIndex], ItemHighLightColor, "%s", MainMenuItems[MenuTempIndex]);
// print help in the status line
if (ShowHelp)
{
Print (HELP_X, HELP_Y, HelpColor, "%s", MainMenuHelp[MenuTempIndex]);
HelpIsDisplayed = TRUE;
}
}
MarkMenu = 0;
}
WriteMenu = 0;
}
} // end of while (MainMenuLoop)
return 0;
}
/* !! DO NOT REMOVE THIS COMMENT !!
*
* Function name: GotoXY
* Function version: 1.0
* Input parameters: - x (short)
* - y (short)
* Return value: none
* Description: moving screen cursor
* Example: GotoXY (0, 0);
* Limits: 0 <= x <= 78
* 0 <= y <= 24
* Warnings: If the x value is 79 and y value is 24 and if you're using this function with printf
* function then there will be problems beacuse of the screen cursor. When the character
* is displayed on the screen, then the screen cursor will always automatically move forward
* and beacuse of that the new line will occur and corrupt the output. To avoid this then you
* must use Print function.
*
* Updates:
* - (!! here you write the updates - do not remove this line !!)
*
*/
void GotoXY (short x, short y)
{
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