katahiromz / linenumedit

textbox with line numbers in Win32/C++

LineNumEdit by katahiromz

LineNumEdit is a C++/Win32 library that implements "textbox with line numbers".

• Fully compatible to the Win32 EDIT control.
• Easily usable in C++.
• DLL and static supported.
• Under MIT license.

How to use this library?

As static:

#define LINENUMEDIT_IMPL
#include "LineNumEdit.hpp"
...
LineNumEdit::SuperclassWindow(); // Initialize the library

And create the "LineNumEdit" window by CreateWindow/CreateWindowEx/DialogBox functions with specifying the window class "LineNumEdit". See also LineNumEdit_test.cpp and LineNumEdit_test_res.rc.

You can also use this library even as a DLL:

LoadLibraryA("LineNumEdit");

And create the "LineNumEdit" window.

Messages

LNEM_SETLINENUMFORMAT message

Specifies the format of the line number label. For example, it's TEXT("%d").

• wParam: Ignored.
• lParam: The format of LPCTSTR.
• Return value: zero.

LNEM_SETNUMOFDIGITS message

Sets the number of digits to indicate the width of the line number column.

• wParam: The number of digits.
• lParam: Ignored.
• Return value: zero.

LNEM_SETLINEMARK message

Sets the color of the line number label.

• wParam: The line number to set a mark.
• lParam: The COLORREF value or CLR_INVALID. Use RGB macro to get the COLORREF value.
• Return value: zero.

LNEM_CLEARLINEMARKS message

Clears the color settings of the line number labels.

• wParam: Ignored.
• lParam: Ignored.
• Return value: zero.

LNEM_SETLINEDELTA message

Specifies the line number of the top line.

• wParam: The line number.
• lParam: Ignored.
• Return value: zero.

LNEM_SETCOLUMNWIDTH message

Sets the width of the line number column.

• wParam: The width of the column, in pixels.
• lParam: Ignored.
• Return value: zero.

LNEM_GETCOLUMNWIDTH message

Gets the width of the line number column.

• wParam: Ignored.
• lParam: Ignored.
• Return value: The column width in pixels.

LNEM_GETLINEMARK message

Gets the color setting of a line number.

• wParam: The line number.
• lParam: Ignored.
• Return value: The COLORREF value or CLR_INVALID.

Contact us

Please send e-mail to [email protected] .

linenumedit's Issues

Support non-ES_AUTOHSCROLL