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#pragma once
#include <QtCore>
#include <functional>
#include <lua.hpp>
#include "AsyncEventLoop.hpp"
#include "utils.hpp"
#include "widgets/WebViewStack.hpp"
#define preserve_top(STATE, BODY) \
const int __top = lua_gettop(STATE); \
BODY; \
lua_settop(STATE, __top);
class LuaRuntime : public QObject {
Q_OBJECT
const char *uv_global_name = "uv";
const char *web_global_name = "web";
public:
static LuaRuntime *instance() {
static LuaRuntime inst;
return &inst;
}
void evaluate(const QString &code);
void load_file(const QString &path);
QVariant evaluate_sync(const QString &code);
void stop_event_loop();
void start_event_loop();
DELEGATE(event_loop, queue_task, queue_task)
QVariant get_lua_value(int idx, QVariant default_value = 0);
DEFINE_GETTER(get_state, state)
DEFINE_FETCHER(qsizetype(), current_tab_id)
DEFINE_FETCHER(QList<WebViewData>(), webview_data_list)
signals:
void url_opened(QString url, OpenType open_type);
void evaluation_completed(QVariant value);
void evaluation_failed(QString value);
void keymap_added(QString mode, QString keyseq, std::function<void()>);
void history_back_requested(WebViewId webview_id, qsizetype history_index);
void history_forward_requested(WebViewId webview_id, qsizetype history_index);
void webview_closed(WebViewId webview_id);
void webview_selected(WebViewId webview_id);
// void output_produced(QVariant value);
protected:
LuaRuntime();
~LuaRuntime() override;
void init_web_lib();
static int lua_on_url_open(lua_State *state);
static int lua_on_url_tab_open(lua_State *state);
static int lua_add_keymap(lua_State *state);
static int lua_get_current_tab_id(lua_State *state);
static int lua_history_back(lua_State *state);
static int lua_history_forward(lua_State *state);
static int lua_tab_closed(lua_State *state);
static int lua_get_tab_list(lua_State *state);
static int lua_tab_selected(lua_State *state);
private:
lua_State *state;
AsyncEventLoop *event_loop = nullptr;
};
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