init

include/terminal.hpp

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+// Display images inside a terminal
+// Copyright (C) 2023  JustKidding
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#ifndef TERMINAL_H
+#define TERMINAL_H
+
+#include <memory>
+#include <string>
+#include <string_view>
+
+#include <spdlog/fwd.h>
+#include <termios.h>
+
+#include "flags.hpp"
+#include "os.hpp"
+
+class Terminal
+{
+  public:
+    Terminal();
+    ~Terminal();
+
+    uint16_t font_width;
+    uint16_t font_height;
+    uint16_t padding_horizontal;
+    uint16_t padding_vertical;
+    uint16_t rows;
+    uint16_t cols;
+    int pid = os::get_pid();
+    int terminal_pid;
+    unsigned int x11_wid;
+    std::string term;
+    std::string term_program;
+    std::string detected_output;
+
+  private:
+    auto get_terminal_size() -> void;
+    static auto guess_padding(uint16_t chars, double pixels) -> double;
+    static auto guess_font_size(uint16_t chars, float pixels, float padding) -> float;
+    static auto read_raw_str(std::string_view esc) -> std::string;
+
+    void init_termios();
+    void reset_termios() const;
+
+    void check_sixel_support();
+    void check_kitty_support();
+    void check_iterm2_support();
+
+    void get_terminal_size_escape_code();
+    void get_terminal_size_xtsm();
+    void get_fallback_x11_terminal_sizes();
+    void get_fallback_wayland_terminal_sizes();
+
+    void open_first_pty();
+    void set_detected_output();
+
+    int pty_fd;
+    int xpixel = 0;
+    int ypixel = 0;
+    uint16_t fallback_xpixel = 0;
+    uint16_t fallback_ypixel = 0;
+
+    bool supports_sixel = false;
+    bool supports_kitty = false;
+    bool supports_x11 = false;
+    bool supports_iterm2 = false;
+    bool supports_wayland = false;
+
+    std::shared_ptr<Flags> flags;
+    std::shared_ptr<spdlog::logger> logger;
+
+    struct termios old_term;
+    struct termios new_term;
+};
+
+#endif