80 lines
1.3 KiB
C
80 lines
1.3 KiB
C
#ifndef SPACER_H_
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#define SPACER_H_
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#include "widget.h"
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/*
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* Forward declarations
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*/
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typedef struct _spacer spacer;
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typedef struct _spacerVtbl spacerVtbl;
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/*
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* The directions a spacer can act in
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*/
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typedef enum
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{
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SPACER_DIRECTION_HORIZONTAL,
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SPACER_DIRECTION_VERTICAL
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} spacerDirection;
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struct _spacerVtbl
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{
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widgetVtbl widgetVtbl;
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// No additional virtual methods
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};
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struct _spacer
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{
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/*
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* Parent
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*/
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widget widget;
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/*
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* Our vtable
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*/
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spacerVtbl *vtbl;
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/*
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* Which direction we should act in
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*/
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spacerDirection direction;
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};
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/*
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* Type information
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*/
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extern const classInfo spacerClassInfo;
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/*
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* Helper macros
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*/
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#define SPACER(self) (assert(widgetIsA(WIDGET(self), &spacerClassInfo)), \
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(spacer *) (self))
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/*
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* Protected methods
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*/
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void spacerInit(spacer *self, const char *id, spacerDirection direction);
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void spacerDestroyImpl(widget *self);
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void spacerDoDrawImpl(widget *self);
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size spacerGetMinSizeImpl(widget *self);
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size spacerGetMaxSizeImpl(widget *self);
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/*
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* Public methods
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*/
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/**
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* Constructs a new spacer object and returns it.
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*
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* @param id The id of the widget.
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* @param direction The direction of the spacer.
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* @return A pointer to an spacer on success otherwise NULL.
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*/
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spacer *spacerCreate(const char *id, spacerDirection direction);
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#endif /*SPACER_H_*/
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