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maszyna/DevConsole/devconsole.h
2026-05-24 21:48:05 +02:00

101 lines
3.2 KiB
C++

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