polybar/include/modules/xwindow.hpp

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#pragma once
#include "modules/meta/event_handler.hpp"
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#include "modules/meta/static_module.hpp"
#include "x11/events.hpp"
#include "x11/ewmh.hpp"
#include "x11/icccm.hpp"
#include "x11/window.hpp"
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POLYBAR_NS
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class connection;
namespace modules {
class active_window {
public:
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explicit active_window(xcb_connection_t* conn, xcb_window_t win);
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~active_window();
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bool match(const xcb_window_t win) const;
string title(xcb_ewmh_connection_t* ewmh) const;
private:
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xcb_connection_t* m_connection{nullptr};
xcb_window_t m_window{XCB_NONE};
};
/**
* Module used to display information about the
* currently active X window.
*/
class xwindow_module : public static_module<xwindow_module>, public event_handler<evt::property_notify> {
public:
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explicit xwindow_module(const bar_settings&, string);
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void update(bool force = false);
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bool build(builder* builder, const string& tag) const;
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protected:
void handle(const evt::property_notify& evt);
private:
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static constexpr const char* TAG_LABEL{"<label>"};
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connection& m_connection;
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ewmh_connection_t m_ewmh;
unique_ptr<active_window> m_active;
label_t m_label;
};
}
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POLYBAR_NS_END