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https://github.com/polybar/polybar.git
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92 lines
1.9 KiB
C++
92 lines
1.9 KiB
C++
#pragma once
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#include <X11/Xft/Xft.h>
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#include <X11/Xlib-xcb.h>
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#include <xcb/xcbext.h>
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#include "common.hpp"
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#include "components/logger.hpp"
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#include "x11/color.hpp"
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#include "x11/connection.hpp"
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#include "x11/types.hpp"
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#include "x11/xlib.hpp"
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LEMONBUDDY_NS
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#define XFT_MAXCHARS (1 << 16)
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extern array<char, XFT_MAXCHARS> xft_widths;
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extern array<wchar_t, XFT_MAXCHARS> xft_chars;
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struct fonttype {
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fonttype() {}
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XftFont* xft;
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xcb_font_t ptr;
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int offset_y = 0;
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int ascent = 0;
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int descent = 0;
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int height = 0;
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int width = 0;
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uint16_t char_max = 0;
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uint16_t char_min = 0;
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vector<xcb_charinfo_t> width_lut;
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};
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struct fonttype_deleter {
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void operator()(fonttype* f) {
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if (f->xft != nullptr)
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XftFontClose(xlib::get_display(), f->xft);
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else
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xcb_close_font(xutils::get_connection(), f->ptr);
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}
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};
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using font_t = unique_ptr<fonttype, fonttype_deleter>;
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class fontmanager {
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public:
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explicit fontmanager(connection& conn, const logger& logger);
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~fontmanager();
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void set_preferred_font(int index);
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bool load(string name, int fontindex = -1, int offset_y = 0);
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font_t& match_char(uint16_t chr);
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int char_width(font_t& font, uint16_t chr);
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XftColor xftcolor();
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void allocate_color(XRenderColor color, bool initial_alloc = false);
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void set_gcontext_font(gcontext& gc, xcb_font_t font);
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protected:
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bool open_xcb_font(font_t& fontptr, string fontname);
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bool has_glyph(font_t& font, uint16_t chr);
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private:
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connection& m_connection;
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const logger& m_logger;
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Display* m_display = nullptr;
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Visual* m_visual = nullptr;
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Colormap m_colormap;
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map<int, font_t> m_fonts;
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int m_fontindex = -1;
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XftColor m_xftcolor;
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};
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namespace {
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/**
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* Configure injection module
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*/
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template <typename T = unique_ptr<fontmanager>>
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di::injector<T> configure_fontmanager() {
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return di::make_injector(configure_connection(), configure_logger());
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}
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}
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LEMONBUDDY_NS_END
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