1
0
Fork 0
mirror of https://github.com/polybar/polybar.git synced 2024-10-27 05:23:39 -04:00
polybar/include/components/renderer_interface.hpp
2021-02-12 20:01:22 +01:00

43 lines
1.3 KiB
C++

#pragma once
#include <map>
#include "common.hpp"
#include "tags/action_context.hpp"
#include "tags/context.hpp"
POLYBAR_NS
class renderer_interface {
public:
renderer_interface(const tags::action_context& action_ctxt) : m_action_ctxt(action_ctxt){};
virtual void render_offset(const tags::context& ctxt, int pixels) = 0;
virtual void render_text(const tags::context& ctxt, const string&& str) = 0;
virtual void change_alignment(const tags::context& ctxt) = 0;
/**
* Get the current x-coordinate of the renderer.
*
* This position denotes the coordinate where the next thing will be rendered.
* It is relative to the start of the current alignment because the absolute
* positions may not be known until after the renderer has finished.
*/
virtual double get_x(const tags::context& ctxt) const = 0;
/**
* Get the absolute x-position of the start of an alignment block.
*
* The position is absolute in terms of the bar window.
*
* Only call this after all the rendering is finished as these values change
* when new things are rendered.
*/
virtual double get_alignment_start(const alignment align) const = 0;
protected:
/**
* Stores information about actions in the current render cycle.
*/
const tags::action_context& m_action_ctxt;
};
POLYBAR_NS_END