mirror of
https://github.com/MaSzyna-EU07/maszyna.git
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101 lines
3.2 KiB
C++
101 lines
3.2 KiB
C++
/*
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This Source Code Form is subject to the
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terms of the Mozilla Public License, v.
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2.0. If a copy of the MPL was not
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distributed with this file, You can
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obtain one at
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http://mozilla.org/MPL/2.0/.
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*/
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#pragma once
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#include <string>
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#include <vector>
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#include <functional>
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#include <unordered_map>
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#include <deque>
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#include "application/uilayer.h"
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struct ImGuiInputTextCallbackData;
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namespace dev {
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// Parsed command arguments — name of the command is args[0]
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using args_t = std::vector<std::string>;
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// Handler signature: receives all tokens including the command name at [0]
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using command_handler_t = std::function<void(const args_t &)>;
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struct console_command {
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std::string name;
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std::string description;
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command_handler_t handler;
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};
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// -----------------------------------------------------------------------
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// console_panel
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// Inherits from ui_panel. Embed as a member in any ui_layer subclass,
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// then call add_external_panel() to register it.
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//
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// Toggle visibility with the backtick / grave-accent key (`) handled
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// from ui_layer::on_key().
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//
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// Register commands from anywhere via the static global instance:
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// dev::Console.register_command("name", "desc", handler);
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// -----------------------------------------------------------------------
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class console_panel : public ui_panel {
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public:
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console_panel();
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void render() override;
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void render_contents() override;
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// Print a line to the console output
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void print(const std::string &text, glm::vec4 color = {0.9f, 0.9f, 0.9f, 1.0f});
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void print_info(const std::string &text);
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void print_ok(const std::string &text);
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void print_error(const std::string &text);
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void print_warn(const std::string &text);
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// Register a new command. Duplicate names overwrite previous.
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void register_command(std::string name, std::string description, command_handler_t handler);
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// Execute a raw input string (tokenises, looks up, calls handler)
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void execute(const std::string &input);
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// Focus the input field next frame
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void focus_input() { m_want_focus = true; }
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private:
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struct log_entry {
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std::string text;
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glm::vec4 color;
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};
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void execute_command(const std::string &name, const args_t &args);
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std::vector<std::string> completions_for(const std::string &prefix) const;
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// ImGui InputText callback — used for history and tab-completion
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static int input_callback(ImGuiInputTextCallbackData *data);
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std::unordered_map<std::string, console_command> m_commands;
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std::deque<log_entry> m_log;
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std::deque<std::string> m_history; // previously executed lines
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int m_history_pos { -1 }; // -1 = new input
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char m_input_buf[512] {};
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bool m_scroll_to_bottom { false };
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bool m_want_focus { false };
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static constexpr std::size_t MAX_LOG = 1024;
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static constexpr std::size_t MAX_HIST = 128;
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// Built-in commands registered in the constructor
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void register_builtins();
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};
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// Global singleton — accessible from anywhere after the header is included
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extern console_panel Console;
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} // namespace dev
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