polybar/include/components/x11/xembed.hpp

125 lines
3.2 KiB
C++

#pragma once
#include <xcb/xcb.h>
#include "common.hpp"
#include "components/x11/connection.hpp"
LEMONBUDDY_NS
#define XEMBED_VERSION 0
#define XEMBED_MAPPED (1 << 0)
#define XEMBED_EMBEDDED_NOTIFY 0
#define XEMBED_WINDOW_ACTIVATE 1
#define XEMBED_WINDOW_DEACTIVATE 2
#define XEMBED_REQUEST_FOCUS 3
#define XEMBED_FOCUS_IN 3
#define XEMBED_FOCUS_OUT 4
#define XEMBED_FOCUS_NEXT 5
#define XEMBED_FOCUS_PREV 6
#define XEMBED_FOCUS_CURRENT 0
#define XEMBED_FOCUS_FIRST 1
#define XEMBED_FOCUS_LAST 1
struct xembed_data {
unsigned long version;
unsigned long flags;
xcb_timestamp_t time;
xcb_atom_t xembed;
xcb_atom_t xembed_info;
};
namespace xembed {
/**
* Query _XEMBED_INFO for the given window
*/
xembed_data* query(connection& conn, xcb_window_t win, xembed_data* data) {
auto info = conn.get_property(false, win, _XEMBED_INFO, XCB_GET_PROPERTY_TYPE_ANY, 0L, 2);
if (info->value_len == 0)
throw application_error("Invalid _XEMBED_INFO for window " + conn.id(win));
std::vector<uint32_t> xembed_data{info.value<uint32_t>().begin(), info.value<uint32_t>().end()};
data->xembed = _XEMBED;
data->xembed_info = _XEMBED_INFO;
data->time = XCB_CURRENT_TIME;
data->flags = xembed_data[1];
data->version = xembed_data[0];
return data;
}
/**
* Send _XEMBED messages
*/
inline auto send_message(
connection& conn, xcb_window_t target, long message, long d1, long d2, long d3) {
auto msg = conn.make_client_message(_XEMBED, target);
msg->data.data32[0] = XCB_CURRENT_TIME;
msg->data.data32[1] = message;
msg->data.data32[2] = d1;
msg->data.data32[3] = d2;
msg->data.data32[4] = d3;
conn.send_client_message(msg, target);
}
/**
* Send window focus event
*/
inline auto send_focus_event(connection& conn, xcb_window_t target) {
auto msg = conn.make_client_message(WM_PROTOCOLS, target);
msg->data.data32[0] = WM_TAKE_FOCUS;
msg->data.data32[1] = XCB_CURRENT_TIME;
conn.send_client_message(msg, target);
}
/**
* Acknowledge window embedding
*/
inline auto notify_embedded(connection& conn, xcb_window_t win, xcb_window_t embedder, long version) {
send_message(conn, win, XEMBED_EMBEDDED_NOTIFY, 0, embedder, version);
}
/**
* Send window activate notification
*/
inline auto notify_activated(connection& conn, xcb_window_t win) {
send_message(conn, win, XEMBED_WINDOW_ACTIVATE, 0, 0, 0);
}
/**
* Send window deactivate notification
*/
inline auto notify_deactivated(connection& conn, xcb_window_t win) {
send_message(conn, win, XEMBED_WINDOW_DEACTIVATE, 0, 0, 0);
}
/**
* Send window focused notification
*/
inline auto notify_focused(connection& conn, xcb_window_t win, long focus_type) {
send_message(conn, win, XEMBED_FOCUS_IN, focus_type, 0, 0);
}
/**
* Send window unfocused notification
*/
inline auto notify_unfocused(connection& conn, xcb_window_t win) {
send_message(conn, win, XEMBED_FOCUS_OUT, 0, 0, 0);
}
/**
* Unembed given window
*/
inline auto unembed(connection& conn, xcb_window_t win, xcb_window_t root) {
conn.unmap_window(win);
conn.reparent_window(win, root, 0, 0);
}
}
LEMONBUDDY_NS_END