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https://github.com/polybar/polybar.git
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61 lines
1.9 KiB
C++
61 lines
1.9 KiB
C++
#pragma once
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#include <xcb/xcbext.h>
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#include "common.hpp"
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#include "components/x11/color.hpp"
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#include "components/x11/connection.hpp"
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#include "utils/string.hpp"
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LEMONBUDDY_NS
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namespace draw_util {
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/**
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* Fill region of drawable with color defined by gcontext
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*/
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inline void fill(connection& c, xcb_drawable_t d, xcb_gcontext_t g, int16_t x, int16_t y,
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uint16_t w, uint16_t h) {
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array<xcb_rectangle_t, 1> rects{{xcb_rectangle_t({x, y, w, h})}};
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c.poly_fill_rectangle(d, g, rects.size(), rects.data());
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}
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/**
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* The xcb version of this function does not compose the correct request
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*
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* Code: http://wmdia.sourceforge.net/
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*/
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auto xcb_poly_text_16_patched(xcb_connection_t* conn, xcb_drawable_t d, xcb_gcontext_t gc,
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int16_t x, int16_t y, uint32_t len, uint16_t* str) {
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static const xcb_protocol_request_t xcb_req = {
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5, // count
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0, // ext
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XCB_POLY_TEXT_16, // opcode
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1 // isvoid
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};
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struct iovec xcb_parts[7];
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uint8_t xcb_lendelta[2];
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xcb_void_cookie_t xcb_ret;
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xcb_poly_text_8_request_t xcb_out;
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xcb_out.pad0 = 0;
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xcb_out.drawable = d;
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xcb_out.gc = gc;
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xcb_out.x = x;
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xcb_out.y = y;
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xcb_lendelta[0] = len;
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xcb_lendelta[1] = 0;
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xcb_parts[2].iov_base = reinterpret_cast<char*>(&xcb_out);
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xcb_parts[2].iov_len = sizeof(xcb_out);
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xcb_parts[3].iov_base = 0;
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xcb_parts[3].iov_len = -xcb_parts[2].iov_len & 3;
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xcb_parts[4].iov_base = xcb_lendelta;
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xcb_parts[4].iov_len = sizeof(xcb_lendelta);
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xcb_parts[5].iov_base = reinterpret_cast<char*>(str);
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xcb_parts[5].iov_len = len * sizeof(int16_t);
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xcb_parts[6].iov_base = 0;
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xcb_parts[6].iov_len = -(xcb_parts[4].iov_len + xcb_parts[5].iov_len) & 3;
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xcb_ret.sequence = xcb_send_request(conn, 0, xcb_parts + 2, &xcb_req);
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return xcb_ret;
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}
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}
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LEMONBUDDY_NS_END
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