You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
87 lines
1.6 KiB
87 lines
1.6 KiB
/*
|
|
* Copyright 2023 jacqueline <me@jacqueline.id.au>
|
|
*
|
|
* SPDX-License-Identifier: GPL-3.0-only
|
|
*/
|
|
|
|
#include "screen_lua.hpp"
|
|
|
|
#include "core/lv_obj_tree.h"
|
|
#include "lua.h"
|
|
#include "lua.hpp"
|
|
|
|
#include "lua_thread.hpp"
|
|
#include "luavgl.h"
|
|
|
|
namespace ui {
|
|
namespace screens {
|
|
|
|
Lua::Lua() : s_(nullptr), obj_ref_() {}
|
|
|
|
Lua::~Lua() {
|
|
if (s_ && obj_ref_) {
|
|
luaL_unref(s_, LUA_REGISTRYINDEX, *obj_ref_);
|
|
}
|
|
}
|
|
|
|
auto Lua::onShown() -> void {
|
|
if (!s_ || !obj_ref_) {
|
|
return;
|
|
}
|
|
lua_rawgeti(s_, LUA_REGISTRYINDEX, *obj_ref_);
|
|
lua_pushliteral(s_, "onShown");
|
|
|
|
if (lua_gettable(s_, -2) == LUA_TFUNCTION) {
|
|
lua_pushvalue(s_, -2);
|
|
lua::CallProtected(s_, 1, 0);
|
|
} else {
|
|
lua_pop(s_, 1);
|
|
}
|
|
|
|
lua_pop(s_, 1);
|
|
}
|
|
|
|
auto Lua::onHidden() -> void {
|
|
if (!s_ || !obj_ref_) {
|
|
return;
|
|
}
|
|
lua_rawgeti(s_, LUA_REGISTRYINDEX, *obj_ref_);
|
|
lua_pushliteral(s_, "onHidden");
|
|
|
|
if (lua_gettable(s_, -2) == LUA_TFUNCTION) {
|
|
lua_pushvalue(s_, -2);
|
|
lua::CallProtected(s_, 1, 0);
|
|
} else {
|
|
lua_pop(s_, 1);
|
|
}
|
|
|
|
lua_pop(s_, 1);
|
|
}
|
|
|
|
auto Lua::canPop() -> bool {
|
|
if (!s_ || !obj_ref_) {
|
|
return true;
|
|
}
|
|
lua_rawgeti(s_, LUA_REGISTRYINDEX, *obj_ref_);
|
|
lua_pushliteral(s_, "canPop");
|
|
|
|
if (lua_gettable(s_, -2) == LUA_TFUNCTION) {
|
|
// If we got a callback instead of a value, then invoke it to turn it into
|
|
// value.
|
|
lua_pushvalue(s_, -2);
|
|
lua::CallProtected(s_, 1, 1);
|
|
}
|
|
bool ret = lua_toboolean(s_, -1);
|
|
|
|
lua_pop(s_, 2);
|
|
return ret;
|
|
}
|
|
|
|
auto Lua::SetObjRef(lua_State* s) -> void {
|
|
assert(s_ == nullptr);
|
|
s_ = s;
|
|
obj_ref_ = luaL_ref(s, LUA_REGISTRYINDEX);
|
|
}
|
|
|
|
} // namespace screens
|
|
} // namespace ui
|
|
|