ScrollHandle.h File Reference

The draggable handle of a ScrollBar. More...

#include <ObjectivelyMVC/Control.h>

Go to the source code of this file.

Data Structures
struct	ScrollHandle
	A draggable scrollbar handle. More...
struct	ScrollHandleDelegate
	The ScrollHandle delegate protocol. More...

Functions
OBJECTIVELYMVC_EXPORT Class *	_ScrollHandle (void)

Detailed Description

The draggable handle of a ScrollBar.

ScrollHandle is the only interactive part of a ScrollBar: a Control that, while grabbed, reports each increment of vertical mouse motion to its delegate. Its owner (ScrollBar) maps that motion onto the scrolled content's offset. Kept generic (no knowledge of what it scrolls).

Definition in file ScrollHandle.h.

Function Documentation

_ScrollHandle()

OBJECTIVELYMVC_EXPORT Class * _ScrollHandle

(

void

)

Definition at line 102 of file ScrollHandle.c.

                           {
  static Class *clazz;
  static Once once;
 
  do_once(&once, {
    clazz = _initialize(&(const ClassDef) {
      .name = "ScrollHandle",
      .superclass = _Control(),
      .instanceSize = sizeof(ScrollHandle),
      .interfaceOffset = offsetof(ScrollHandle, interface),
      .interfaceSize = sizeof(ScrollHandleInterface),
      .initialize = initialize,
    });
  });
 
  return clazz;
}