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#include "LuaLayoutTarget.hpp"
#include "LuaLayoutContext.hpp"
#include "../bindings/LuaBindingsInternal.hpp"
#include "../objects/LuaObjectHelpers.hpp"
#include "../objects/LuaWindow.hpp"
#include "../../../layout/target/Target.hpp"
#include <string_view>
using namespace Config::Lua;
using namespace Config::Lua::Layouts;
static constexpr const char* TARGET_MT = "HL.LayoutTarget";
namespace {
struct SLuaLayoutTargetRef {
WP<Layout::ITarget> target;
size_t index = 0;
};
}
static int layoutTargetPlace(lua_State* L) {
auto* ref = sc<SLuaLayoutTargetRef*>(luaL_checkudata(L, 1, TARGET_MT));
auto target = ref->target.lock();
if (!target)
return 0;
CBox box;
if (!boxFromTable(L, 2, box))
return Bindings::Internal::configError(L, "HL.LayoutTarget: place expects a box table { x, y, w, h }");
target->setPositionGlobal(box.noNegativeSize());
return 0;
}
static int layoutTargetIndex(lua_State* L) {
auto* ref = sc<SLuaLayoutTargetRef*>(luaL_checkudata(L, 1, TARGET_MT));
const std::string_view key = luaL_checkstring(L, 2);
auto target = ref->target.lock();
if (!target) {
lua_pushnil(L);
return 1;
}
if (key == "index")
lua_pushinteger(L, sc<lua_Integer>(ref->index));
else if (key == "window") {
const auto window = target->window();
if (window)
Objects::CLuaWindow::push(L, window);
else
lua_pushnil(L);
} else if (key == "box")
pushBox(L, target->position());
else if (key == "place" || key == "set_box")
lua_pushcfunction(L, layoutTargetPlace);
else
lua_pushnil(L);
return 1;
}
static int layoutTargetGc(lua_State* L) {
sc<SLuaLayoutTargetRef*>(lua_touserdata(L, 1))->~SLuaLayoutTargetRef();
return 0;
}
static int layoutTargetToString(lua_State* L) {
auto* ref = sc<SLuaLayoutTargetRef*>(luaL_checkudata(L, 1, TARGET_MT));
auto target = ref->target.lock();
if (!target)
lua_pushstring(L, "HL.LayoutTarget(expired)");
else
lua_pushfstring(L, "HL.LayoutTarget(%d)", sc<int>(ref->index));
return 1;
}
void Config::Lua::Layouts::setupLayoutTarget(lua_State* L) {
luaL_newmetatable(L, TARGET_MT);
lua_pushcfunction(L, layoutTargetIndex);
lua_setfield(L, -2, "__index");
lua_pushcfunction(L, Objects::readOnlyNewIndex);
lua_setfield(L, -2, "__newindex");
lua_pushcfunction(L, layoutTargetGc);
lua_setfield(L, -2, "__gc");
lua_pushcfunction(L, layoutTargetToString);
lua_setfield(L, -2, "__tostring");
lua_pop(L, 1);
}
void Config::Lua::Layouts::pushLayoutTarget(lua_State* L, const SP<Layout::ITarget>& target, size_t index) {
new (lua_newuserdata(L, sizeof(SLuaLayoutTargetRef))) SLuaLayoutTargetRef{target, index};
luaL_getmetatable(L, TARGET_MT);
lua_setmetatable(L, -2);
}
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