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https://github.com/katahiromz/linenumedit
textbox with line numbers in Win32/C++
https://github.com/katahiromz/linenumedit
custom-controls cxx edit-control line-number line-numbers superclassing text-box textbox win32 win32api
Last synced: 7 days ago
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textbox with line numbers in Win32/C++
- Host: GitHub
- URL: https://github.com/katahiromz/linenumedit
- Owner: katahiromz
- License: mit
- Created: 2021-06-10T08:49:19.000Z (over 3 years ago)
- Default Branch: main
- Last Pushed: 2024-03-04T01:51:46.000Z (9 months ago)
- Last Synced: 2024-05-02T05:04:14.015Z (7 months ago)
- Topics: custom-controls, cxx, edit-control, line-number, line-numbers, superclassing, text-box, textbox, win32, win32api
- Language: C++
- Homepage:
- Size: 43.9 KB
- Stars: 6
- Watchers: 3
- Forks: 1
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- Funding: .github/FUNDING.yml
- License: LICENSE.txt
Awesome Lists containing this project
README
# 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:
```c
#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](LineNumEdit_test.cpp) and [LineNumEdit_test_res.rc](LineNumEdit_test_res.rc).
You can also use this library even as a DLL:
```c
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] .