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#pragma once
#include <QtCore>
#include <functional>
#include <lua.hpp>
#include <optional>
#include "AsyncEventLoop.hpp"
#include "utils.hpp"
#include "widgets/BrowserWindow.hpp"
#include "widgets/Decorations.hpp"
#include "widgets/WebView.hpp"
#ifndef PROJECT_LUA_PATH
#define PROJECT_LUA_PATH ""
#endif
#define preserve_top(STATE, BODY) \
{ \
const int __top = lua_gettop(STATE); \
BODY; \
lua_settop(STATE, __top); \
};
class LuaRuntime : public QObject {
Q_OBJECT
public:
static LuaRuntime &instance() {
static LuaRuntime runtime;
return runtime;
}
void evaluate(const QString &code);
void load_file_sync(const QString &path);
void append_package_path(const QString &path);
void require_module(const QString &module_name);
void stop_event_loop();
void start_event_loop();
DELEGATE(event_loop, queue_task, queue_task)
DEFINE_GETTER(get_state, state)
signals:
void evaluation_completed(QVariant value);
void evaluation_failed(QString value);
// TODO: Figure out consistent naming for these signals
void history_back_requested(WebViewId webview_id, qsizetype history_index);
void history_forward_requested(WebViewId webview_id, qsizetype history_index);
void keymap_add_requested(QString mode, QString keyseq, std::function<void()> action);
void keymap_mode_update_requested(const QString &mode);
void url_opened(QString url, OpenType open_type, WebViewId webview_id);
void webview_closed(WebViewId webview_id);
void webview_selected(WebViewId webview_id);
void config_updated(const QString &key, const QVariant &value);
void search_requested(const QString &text, WebViewId webview_id);
void search_next_requested(WebViewId webview_id);
void search_previous_requested(WebViewId webview_id);
void devtools_requested(WebViewId webview_id);
void webview_scroll_requested(WebViewId webview_id, int deltax, int deltay);
void webview_scroll_top_requested(WebViewId webview_id);
void webview_scroll_bottom_requested(WebViewId webview_id);
void decoration_set_enabled(DecorationType type, bool enabled, std::optional<WindowId> win_id);
void webview_html_set_requested(const QString &html, WebViewId view_id);
void webview_js_eval_requested(const QString &js_code, WebViewId view_id);
void schedule_for_next_tick(const std::function<void()> &action);
void webview_rpc_action_defined(const QString &name, const RpcFunc &action, WebViewId view_id);
protected:
LuaRuntime();
~LuaRuntime() override;
void init_builtins_package_path();
void init_web_api();
private:
lua_State *state;
AsyncEventLoop *event_loop = nullptr;
public:
static void inspect_lua_stack(lua_State *state);
static std::vector<QString> lua_tostringlist(lua_State *state);
static QVariant get_lua_value(lua_State *state, int idx, QVariant default_value = 0);
};
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