polybar-dwm/include/x11/fonts.hpp
2016-12-14 11:01:44 +01:00

82 lines
1.7 KiB
C++

#pragma once
#include <X11/Xft/Xft.h>
#include <xcb/xcbext.h>
#include "common.hpp"
#include "x11/color.hpp"
#include "x11/types.hpp"
POLYBAR_NS
// fwd
class connection;
class logger;
struct fonttype {
explicit fonttype() = default;
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{};
};
struct fonttype_deleter {
void operator()(fonttype* f);
};
using fonttype_pointer = unique_ptr<fonttype, fonttype_deleter>;
class font_manager {
public:
using make_type = unique_ptr<font_manager>;
static make_type make();
explicit font_manager(connection& conn, const logger& logger);
~font_manager();
bool load(const string& name, int8_t fontindex = DEFAULT_FONT_INDEX, int8_t offset_y = 0);
void set_preferred_font(int8_t index);
fonttype_pointer& match_char(uint16_t chr);
uint8_t char_width(fonttype_pointer& font, uint16_t chr);
XftColor* xftcolor();
XftDraw* xftdraw();
void create_xftdraw(xcb_pixmap_t pm);
void destroy_xftdraw();
void allocate_color(uint32_t color);
void allocate_color(XRenderColor color);
void set_gcontext_font(xcb_gcontext_t gc, xcb_font_t font);
protected:
bool open_xcb_font(fonttype_pointer& fontptr, string fontname);
bool has_glyph(fonttype_pointer& font, uint16_t chr);
private:
connection& m_connection;
const logger& m_logger;
Display* m_display{nullptr};
Visual* m_visual{nullptr};
Colormap m_colormap{};
std::map<uint8_t, fonttype_pointer> m_fonts;
int8_t m_fontindex{DEFAULT_FONT_INDEX};
XftColor* m_xftcolor{nullptr};
XftDraw* m_xftdraw{nullptr};
};
POLYBAR_NS_END