mirror of https://github.com/polybar/polybar.git
96 lines
2.5 KiB
C++
96 lines
2.5 KiB
C++
#pragma once
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#include <ft2build.h>
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#include FT_FREETYPE_H
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#include FT_OUTLINE_H
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#include FT_GLYPH_H
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#include <X11/Xft/Xft.h>
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#include <xcb/xcbext.h>
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#include <unordered_map>
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#include "common.hpp"
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#include "x11/color.hpp"
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#include "x11/types.hpp"
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POLYBAR_NS
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using std::map;
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using std::unordered_map;
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// fwd
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class connection;
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class logger;
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struct font_ref {
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explicit font_ref() = default;
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font_ref(const font_ref& o) = delete;
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font_ref& operator=(const font_ref& o) = delete;
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XftFont* xft{nullptr};
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xcb_font_t ptr{XCB_NONE};
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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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unordered_map<uint16_t, wchar_t> glyph_widths{};
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static struct _deleter { void operator()(font_ref* font); } deleter;
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};
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class font_manager {
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public:
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using make_type = unique_ptr<font_manager>;
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static make_type make();
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explicit font_manager(connection& conn, const logger& logger);
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~font_manager();
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font_manager(const font_manager& o) = delete;
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font_manager& operator=(const font_manager& o) = delete;
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void set_visual(Visual* v);
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void cleanup();
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bool load(const string& name, uint8_t fontindex = 0, int8_t offset_y = 0);
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void fontindex(uint8_t index);
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shared_ptr<font_ref> match_char(const uint16_t chr);
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uint8_t glyph_width(const shared_ptr<font_ref>& font, const uint16_t chr);
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void drawtext(const shared_ptr<font_ref>& font, xcb_pixmap_t pm, xcb_gcontext_t gc, int16_t x, int16_t y,
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const uint16_t* chars, size_t num_chars);
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void allocate_color(uint32_t color);
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void allocate_color(XRenderColor color);
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protected:
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bool open_xcb_font(const shared_ptr<font_ref>& font, string fontname);
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uint8_t glyph_width_xft(const shared_ptr<font_ref>& font, const uint16_t chr);
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uint8_t glyph_width_xcb(const shared_ptr<font_ref>& font, const uint16_t chr);
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bool has_glyph_xft(const shared_ptr<font_ref>& font, const uint16_t chr);
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bool has_glyph_xcb(const shared_ptr<font_ref>& font, const uint16_t chr);
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void xcb_poly_text_16(xcb_drawable_t d, xcb_gcontext_t gc, int16_t x, int16_t y, uint8_t len, uint16_t* str);
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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<uint8_t, shared_ptr<font_ref>> m_fonts{};
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uint8_t m_fontindex{0};
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XftDraw* m_xftdraw{nullptr};
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XftColor m_xftcolor{};
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bool m_xftcolor_allocated{false};
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};
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POLYBAR_NS_END
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