CONTRIBUTING

Submitting changes

Please send a GitHub Pull Request with a clear list of what you've done (read more about pull requests).

If you have an idea for new features just open an issue with your suggestion.

Find and correct spelling mistakes
Add (insert your favorite platform or render backend here) demo implementation
Add clipboard user callbacks back into all demos
Add additional widgets some possible widgets
Extend xlib demo to support image drawing with arbitrary image width and height
Change cursor in zr_widget_edit_box and zr_widget_edit_field to thin standard cursor version used in editors
Rewrite the chart API to support a better range of charts (maybe take notes from Javascript chart frameworks)
Create an API to allow scaling between groups (maybe extend and convert the demo example)
Add Tab support (maybe use zr_group and add a header)
Come up with a better way to provide and create widget and window styles
Add support for multiple pointers for touch input devices (probably requires to rewrite mouse handling in struct zr_input)
Extend context to not only support overlapping windows but tiled windows as well

Text pixel width is bugged at the moment if you edit text with enabled font baking and vertex buffer API.
Text handling is still a little bit chanky and probably needs to be further tested and polished

Only use a C89 (ANSI C) compiler or rather style
For indent use four spaces
Do not typedef structs, unions and enums
Variable, object and function names should always be lowercase and use underscores instead of camel case
Whitespace after for, while, if, do, switch
Always use parentheses if using the sizeof operator (e.g: sizeof(struct zr_context) and not sizeof struct zr_context)
Beginning braces on the new line for functions and on the same line otherwise.
Only use fixed size types (zr_uint, zr_size, ...) if you really need to and use basic types otherwise
Do not include any header files in either zahnrad.h or zahnrad.c
Do not add any dependencies
Do not use any compiler specific extensions