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#ifndef ROFI_SCROLLBAR_H
#define ROFI_SCROLLBAR_H
#include <cairo.h>
#include "widget.h"
/**
* @defgroup Scrollbar Scrollbar
* @ingroup Widgets
*
* @{
*/
/**
* Internal structure for the scrollbar.
*/
typedef struct _scrollbar
{
Widget widget;
unsigned int length;
unsigned int pos;
unsigned int pos_length;
} scrollbar;
/**
* @param parent the parent window
* @param vinfo The XVisualInfo to use when creating new window
* @param map The colormap to use for new window
* @param x The x coordinate (relative to parent) to position the new scrollbar
* @param y The y coordinate (relative to parent) to position the new scrollbar
* @param w The width of the scrollbar
* @param h The height of the scrollbar
*
* Create a new scrollbar
*
* @returns the scrollbar object.
*/
scrollbar *scrollbar_create ( short x, short y, short w, short h );
/**
* @param sb scrollbar object
*
* Free the resources used by the scrollbar.
*/
void scrollbar_free ( scrollbar *sb );
/**
* @param sb scrollbar object
* @param pos_length new length
*
* set the length of the handle relative to the max value of bar.
*/
void scrollbar_set_handle_length ( scrollbar *sb, unsigned int pos_length );
/**
* @param sb scrollbar object
* @param pos new position
*
* set the position of the handle relative to the set max value of bar.
*/
void scrollbar_set_handle ( scrollbar *sb, unsigned int pos );
/**
* @param sb scrollbar object
* @param max the new max
*
* set the max value of the bar.
*/
void scrollbar_set_max_value ( scrollbar *sb, unsigned int max );
/**
* @param sb scrollbar object
*
* Draw the scrollbar, used after expose event or update
*/
void scrollbar_draw ( scrollbar *sb, cairo_t *draw );
/**
* @param sb scrollbar object
* @param y clicked position
*
* Calculate the position of the click relative to the max value of bar
*/
unsigned int scrollbar_clicked ( scrollbar *sb, int y );
/**
* @param sb scrollbar object
* @param w new width in pixels
* @param h new height in pixels
*
* Resize the scrollbar.
*/
void scrollbar_resize ( scrollbar *sb, int w, int h );
/*@}*/
#endif // ROFI_SCROLLBAR_H
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