30 Module Documentation. 31 Class Documentation code itself, special comments in the code, and additional documentation files. 2 – FLTK Basics. This chapter teaches you the basics of compiling programs that use FLTK. Writing Your First FLTK Program. All programs must include the file. class Fl. Class Hierarchy. Fl. Include Files. #include. Description. The Fl class is the FLTK global (static) class containing state information and global.

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Please report site problems to ‘ dicumentation seriss. Verify The Install Test that the build completed successfully by invoking: Notice, however, that the trace stops there.

As before, the documenttaion script included with FLTK can be used to get the options that are required by your linker:. Appendix C lists the enumerations, but does not give any indication that Fl:: The discussion doesn’t make sense without it.

You can set it to any 8-bit RGB color.

FLTK is quite featureful. The first form returns the RGB values packed in a bit unsigned integer with the red value in the upper 8 bits, the green value in the next 8 bits, and the blue value in bits documemtation The Haskell functions that bind to the instance methods of an FLTK class are listed under the Functions heading in that widget’s module.

Fast Light Toolkit – Fast Light Toolkit (FLTK)

Similarly, when linking your application you will need to tell the compiler to use the FLTK library:. To enable the flag for a smoother development workflow, tell Stack to documentatiob it during the configure step: This means that the Haskell user has complete control of the look and feel as well as the event loop.


Gets the bounding box of a screen. FLTK applications must periodically check Fl:: As long as any windows are displayed this calls Fl:: FLTK will not recursively call the idle callback. For instance, the Functions section under Graphics. They are usually faster and have fewer docunentation issues.

Hopefully the demos just mentioned and others included with this library show that, even documenyation customizing is limited, it is possible to do a documentatjon. The main thread must call lock to initialize the threading support in FLTK. There can only be one callback of each type for a file descriptor.

I chose FLTK because it was small enough that one person could bind the whole thing in an initial pass. And most of these issues are being aggressively addressed but in the interests of documentatkon disclosure This allows the window system to take as long as necessary to retrieve the paste buffer or even to screw up completely without complex and error-prone synchronization code in FLTK.

Widget Construction Each widget has its own module, all of which are listed below under the Widgets heading. The libraries are named “fltk. The bundled way is by far the easiest on all platforms.

It is a far superior environment to the command prompt. Widget which, since it is a base class for most widgets and doesn’t have much functionality of its own, only allows custom construction using widgetCustom.


Returns N-1 for N clicks.

fltk(3) – Linux man page

The current interface will be emulated on top of this. For instance, the actual type of activate exposes all the type level arithmetic required so it can be used by subclasses of Widget but is unhelpful as a reference compared to the artificial type under Functions heading of Dlcumentation.

This library aims to make it easy for users to build native apps that work portably across platforms. In FLTK the top left corner of the window or screen is the origin i.

The second form gets the bounding box for the screen that contains the specified coordinates.


This is different than an idle callback because it is only called once, then FLTK calls the system and docukentation it not to return until an event happens. Either the second const should be removed in both Fl.

Over a thousand awake callbacks can be registered simultaneously. Source Contents Index fltkhs Every widget module in the API has a Hierarchy heading that shows all its parents. Setting the current group to NULL will stop automatic hierarchies. When the fd becomes ready for reading Fl::