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polybar/include/x11/fonts.hpp
2016-12-15 18:22:34 +01:00

98 lines
2.6 KiB
C++

#pragma once
#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_OUTLINE_H
#include FT_GLYPH_H
#include <X11/Xft/Xft.h>
#include <xcb/xcbext.h>
#include <unordered_map>
#include "common.hpp"
#include "x11/color.hpp"
#include "x11/types.hpp"
POLYBAR_NS
using std::map;
using std::unordered_map;
// fwd
class connection;
class logger;
struct font_ref {
explicit font_ref() = default;
font_ref(const font_ref& o) = delete;
font_ref& operator=(const font_ref& o) = delete;
XftFont* xft{nullptr};
xcb_font_t ptr{XCB_NONE};
int offset_y{0};
int ascent{0};
int descent{0};
int height{0};
int width{0};
uint16_t char_max{0};
uint16_t char_min{0};
vector<xcb_charinfo_t> width_lut{};
unordered_map<uint16_t, wchar_t> glyph_widths{};
static struct _deleter {
void operator()(font_ref* font);
} deleter;
};
class font_manager {
public:
using make_type = unique_ptr<font_manager>;
static make_type make();
explicit font_manager(
connection& conn, const logger& logger, shared_ptr<Display>&& dsp, shared_ptr<Visual>&& vis, Colormap&& cm);
~font_manager();
font_manager(const font_manager& o) = delete;
font_manager& operator=(const font_manager& o) = delete;
void set_visual(shared_ptr<Visual>&& v);
void cleanup();
bool load(const string& name, int8_t fontindex = DEFAULT_FONT_INDEX, int8_t offset_y = 0);
void set_preferred_font(int8_t index);
shared_ptr<font_ref> match_char(const uint16_t chr);
uint8_t glyph_width(const shared_ptr<font_ref>& font, const uint16_t chr);
void drawtext(const shared_ptr<font_ref>& font, xcb_pixmap_t pm, xcb_gcontext_t gc, int16_t x, int16_t y,
const uint16_t* chars, size_t num_chars);
void allocate_color(uint32_t color);
void allocate_color(XRenderColor color);
void set_gcontext_font(const shared_ptr<font_ref>& font, xcb_gcontext_t, xcb_font_t*);
protected:
bool open_xcb_font(const shared_ptr<font_ref>& font, string fontname);
uint8_t glyph_width_xft(const shared_ptr<font_ref>& font, const uint16_t chr);
uint8_t glyph_width_xcb(const shared_ptr<font_ref>& font, const uint16_t chr);
bool has_glyph_xft(const shared_ptr<font_ref>& font, const uint16_t chr);
bool has_glyph_xcb(const shared_ptr<font_ref>& font, const uint16_t chr);
private:
connection& m_connection;
const logger& m_logger;
shared_ptr<Display> m_display;
shared_ptr<Visual> m_visual;
Colormap m_colormap;
map<uint8_t, shared_ptr<font_ref>> m_fonts{};
int8_t m_fontindex{DEFAULT_FONT_INDEX};
XftDraw* m_xftdraw{nullptr};
XftColor m_xftcolor{};
bool m_xftcolor_allocated{false};
};
POLYBAR_NS_END