mirror of https://github.com/polybar/polybar.git
90 lines
2.1 KiB
C++
90 lines
2.1 KiB
C++
#pragma once
|
|
|
|
#include <bitset>
|
|
|
|
#include "components/config.hpp"
|
|
#include "modules/meta.hpp"
|
|
#include "x11/connection.hpp"
|
|
#include "x11/ewmh.hpp"
|
|
#include "x11/icccm.hpp"
|
|
#include "x11/window.hpp"
|
|
|
|
POLYBAR_NS
|
|
|
|
namespace modules {
|
|
/**
|
|
* Wrapper used to update the event mask of the
|
|
* currently active to enable title tracking
|
|
*/
|
|
class active_window {
|
|
public:
|
|
explicit active_window(xcb_window_t win)
|
|
: m_connection(configure_connection().create<decltype(m_connection)>()), m_window(m_connection, win) {
|
|
try {
|
|
m_window.change_event_mask(XCB_EVENT_MASK_PROPERTY_CHANGE);
|
|
} catch (const xpp::x::error::window& err) {
|
|
}
|
|
}
|
|
|
|
~active_window() {
|
|
try {
|
|
m_window.change_event_mask(XCB_EVENT_MASK_NO_EVENT);
|
|
} catch (const xpp::x::error::window& err) {
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check if current window matches passed value
|
|
*/
|
|
bool match(const xcb_window_t win) const {
|
|
return m_window == win;
|
|
}
|
|
|
|
/**
|
|
* Get the title by returning the first non-empty value of:
|
|
* _NET_WM_VISIBLE_NAME
|
|
* _NET_WM_NAME
|
|
*/
|
|
string title(xcb_ewmh_connection_t* ewmh) {
|
|
string title;
|
|
|
|
if (!(title = ewmh_util::get_visible_name(ewmh, m_window)).empty()) {
|
|
return title;
|
|
} else if (!(title = icccm_util::get_wm_name(m_connection, m_window)).empty()) {
|
|
return title;
|
|
} else {
|
|
return "";
|
|
}
|
|
}
|
|
|
|
private:
|
|
connection& m_connection;
|
|
window m_window{m_connection};
|
|
};
|
|
|
|
/**
|
|
* Module used to display information about the
|
|
* currently active X window.
|
|
*/
|
|
class xwindow_module : public static_module<xwindow_module>, public xpp::event::sink<evt::property_notify> {
|
|
public:
|
|
using static_module::static_module;
|
|
|
|
void setup();
|
|
void teardown();
|
|
void handle(const evt::property_notify& evt);
|
|
void update();
|
|
string get_output();
|
|
bool build(builder* builder, string tag) const;
|
|
|
|
private:
|
|
static constexpr auto TAG_LABEL = "<label>";
|
|
|
|
xcb_ewmh_connection_t m_ewmh;
|
|
unique_ptr<active_window> m_active;
|
|
label_t m_label;
|
|
};
|
|
}
|
|
|
|
POLYBAR_NS_END
|