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https://github.com/lbonn/rofi
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67 lines
1.4 KiB
C
67 lines
1.4 KiB
C
#ifndef ROFI_SCROLLBAR_H
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#define ROFI_SCROLLBAR_H
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#include <cairo.h>
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#include "widgets/widget.h"
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#include "widgets/widget-internal.h"
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/**
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* @defgroup Scrollbar Scrollbar
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* @ingroup widget
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*
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* @{
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*/
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/**
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* Internal structure for the scrollbar.
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*/
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typedef struct _scrollbar
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{
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widget widget;
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unsigned int length;
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unsigned int pos;
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unsigned int pos_length;
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Distance width;
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} scrollbar;
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/**
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* @param name The name of the widget.
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*
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* Create a new scrollbar
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*
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* @returns the scrollbar object.
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*/
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scrollbar *scrollbar_create ( const char *name );
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/**
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* @param sb scrollbar object
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* @param pos_length new length
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*
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* set the length of the handle relative to the max value of bar.
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*/
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void scrollbar_set_handle_length ( scrollbar *sb, unsigned int pos_length );
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/**
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* @param sb scrollbar object
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* @param pos new position
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*
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* set the position of the handle relative to the set max value of bar.
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*/
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void scrollbar_set_handle ( scrollbar *sb, unsigned int pos );
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/**
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* @param sb scrollbar object
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* @param max the new max
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*
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* set the max value of the bar.
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*/
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void scrollbar_set_max_value ( scrollbar *sb, unsigned int max );
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/**
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* @param sb scrollbar object
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* @param y clicked position
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*
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* Calculate the position of the click relative to the max value of bar
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*/
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unsigned int scrollbar_clicked ( const scrollbar *sb, int y );
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/*@}*/
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#endif // ROFI_SCROLLBAR_H
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