mirror of
https://gitea.wildfiregames.com/0ad/0ad
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3d07327837
JSI_IGUIObject should not contain functions that work only for some GUI Object types, refs #5442. Deduplicate the shuffled copy of CText::SetupText. Avoid the 80 times slower dynamic_cast mandated by the virtual class inheritance by adding an ugly overridable pointer to the base class pointing at this derived classes, as bargained with Vladislav and proposed by wraitii in D1781 id=8426. This may be improved by refactoring the IGUIObject and JSInterface classes to use templates and / or eliminating its virtual inheritance. Implement and use FromJSVal / ToJSVal CSize specialization. Remove the JS::CallArgsFromVp call. Differential Revision: https://code.wildfiregames.com/D2136 Comments By: wraitii, Vladislav This was SVN commit r22596.
361 lines
9.3 KiB
C++
361 lines
9.3 KiB
C++
/* Copyright (C) 2019 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "gui/CGUIColor.h"
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#include "gui/CGUIList.h"
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#include "gui/CGUISeries.h"
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#include "gui/GUIbase.h"
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#include "gui/IGUIObject.h"
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#include "lib/external_libraries/libsdl.h"
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#include "maths/Vector2D.h"
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#include "ps/Hotkey.h"
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#include "scriptinterface/ScriptConversions.h"
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#define SET(obj, name, value) STMT(JS::RootedValue v_(cx); AssignOrToJSVal(cx, &v_, (value)); JS_SetProperty(cx, obj, (name), v_))
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// ignore JS_SetProperty return value, because errors should be impossible
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// and we can't do anything useful in the case of errors anyway
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template<> void ScriptInterface::ToJSVal<SDL_Event_>(JSContext* cx, JS::MutableHandleValue ret, SDL_Event_ const& val)
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{
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JSAutoRequest rq(cx);
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const char* typeName;
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switch (val.ev.type)
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{
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case SDL_WINDOWEVENT: typeName = "windowevent"; break;
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case SDL_KEYDOWN: typeName = "keydown"; break;
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case SDL_KEYUP: typeName = "keyup"; break;
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case SDL_MOUSEMOTION: typeName = "mousemotion"; break;
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case SDL_MOUSEBUTTONDOWN: typeName = "mousebuttondown"; break;
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case SDL_MOUSEBUTTONUP: typeName = "mousebuttonup"; break;
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case SDL_QUIT: typeName = "quit"; break;
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case SDL_HOTKEYDOWN: typeName = "hotkeydown"; break;
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case SDL_HOTKEYUP: typeName = "hotkeyup"; break;
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default: typeName = "(unknown)"; break;
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}
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JS::RootedObject obj(cx, JS_NewPlainObject(cx));
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if (!obj)
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{
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ret.setUndefined();
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return;
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}
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SET(obj, "type", typeName);
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switch (val.ev.type)
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{
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case SDL_KEYDOWN:
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case SDL_KEYUP:
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{
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// SET(obj, "which", (int)val.ev.key.which); // (not in wsdl.h)
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// SET(obj, "state", (int)val.ev.key.state); // (not in wsdl.h)
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JS::RootedObject keysym(cx, JS_NewPlainObject(cx));
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if (!keysym)
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{
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ret.setUndefined();
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return;
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}
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JS::RootedValue keysymVal(cx, JS::ObjectValue(*keysym));
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JS_SetProperty(cx, obj, "keysym", keysymVal);
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// SET(keysym, "scancode", (int)val.ev.key.keysym.scancode); // (not in wsdl.h)
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SET(keysym, "sym", (int)val.ev.key.keysym.sym);
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// SET(keysym, "mod", (int)val.ev.key.keysym.mod); // (not in wsdl.h)
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{
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SET(keysym, "unicode", JS::UndefinedHandleValue);
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}
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// TODO: scripts have no idea what all the key/mod enum values are;
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// we should probably expose them as constants if we expect scripts to use them
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break;
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}
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case SDL_MOUSEMOTION:
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{
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// SET(obj, "which", (int)val.ev.motion.which); // (not in wsdl.h)
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// SET(obj, "state", (int)val.ev.motion.state); // (not in wsdl.h)
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SET(obj, "x", (int)val.ev.motion.x);
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SET(obj, "y", (int)val.ev.motion.y);
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// SET(obj, "xrel", (int)val.ev.motion.xrel); // (not in wsdl.h)
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// SET(obj, "yrel", (int)val.ev.motion.yrel); // (not in wsdl.h)
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break;
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}
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case SDL_MOUSEBUTTONDOWN:
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case SDL_MOUSEBUTTONUP:
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{
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// SET(obj, "which", (int)val.ev.button.which); // (not in wsdl.h)
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SET(obj, "button", (int)val.ev.button.button);
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SET(obj, "state", (int)val.ev.button.state);
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SET(obj, "x", (int)val.ev.button.x);
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SET(obj, "y", (int)val.ev.button.y);
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SET(obj, "clicks", (int)val.ev.button.clicks);
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break;
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}
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case SDL_HOTKEYDOWN:
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case SDL_HOTKEYUP:
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{
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SET(obj, "hotkey", static_cast<const char*>(val.ev.user.data1));
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break;
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}
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}
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ret.setObject(*obj);
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}
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template<> void ScriptInterface::ToJSVal<IGUIObject*>(JSContext* UNUSED(cx), JS::MutableHandleValue ret, IGUIObject* const& val)
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{
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if (val == NULL)
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ret.setNull();
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else
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ret.setObject(*val->GetJSObject());
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}
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template<> void ScriptInterface::ToJSVal<CGUIString>(JSContext* cx, JS::MutableHandleValue ret, const CGUIString& val)
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{
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ScriptInterface::ToJSVal(cx, ret, val.GetOriginalString());
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}
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template<> bool ScriptInterface::FromJSVal<CGUIString>(JSContext* cx, JS::HandleValue v, CGUIString& out)
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{
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std::wstring val;
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if (!FromJSVal(cx, v, val))
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return false;
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out.SetValue(val);
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return true;
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}
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JSVAL_VECTOR(CVector2D)
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JSVAL_VECTOR(std::vector<CVector2D>)
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JSVAL_VECTOR(CGUIString)
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template<> void ScriptInterface::ToJSVal<CGUIColor>(JSContext* cx, JS::MutableHandleValue ret, const CGUIColor& val)
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{
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ToJSVal<CColor>(cx, ret, val);
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}
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template<> bool ScriptInterface::FromJSVal<CGUIColor>(JSContext* cx, JS::HandleValue v, CGUIColor& out)
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{
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if (v.isString())
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{
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CStr name;
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if (!FromJSVal(cx, v, name))
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return false;
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if (!out.ParseString(name))
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{
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JS_ReportError(cx, "Invalid color '%s'", name.c_str());
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return false;
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}
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return true;
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}
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// Parse as object
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return FromJSVal<CColor>(cx, v, out);
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}
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template<> void ScriptInterface::ToJSVal<CSize>(JSContext* cx, JS::MutableHandleValue ret, const CSize& val)
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{
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ScriptInterface::GetScriptInterfaceAndCBData(cx)->pScriptInterface->CreateObject(ret, "width", val.cx, "height", val.cy);
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}
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template<> bool ScriptInterface::FromJSVal<CSize>(JSContext* cx, JS::HandleValue v, CSize& out)
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{
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if (!v.isObject())
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{
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JS_ReportError(cx, "CSize value must be an object!");
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return false;
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}
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if (!FromJSProperty(cx, v, "width", out.cx))
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{
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JS_ReportError(cx, "Failed to get CSize.cx property");
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return false;
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}
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if (!FromJSProperty(cx, v, "height", out.cy))
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{
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JS_ReportError(cx, "Failed to get CSize.cy property");
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return false;
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}
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return true;
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}
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template<> void ScriptInterface::ToJSVal<CPos>(JSContext* cx, JS::MutableHandleValue ret, const CPos& val)
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{
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ScriptInterface::GetScriptInterfaceAndCBData(cx)->pScriptInterface->CreateObject(ret, "x", val.x, "y", val.y);
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}
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template<> bool ScriptInterface::FromJSVal<CPos>(JSContext* cx, JS::HandleValue v, CPos& out)
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{
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if (!v.isObject())
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{
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JS_ReportError(cx, "CPos value must be an object!");
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return false;
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}
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if (!FromJSProperty(cx, v, "x", out.x))
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{
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JS_ReportError(cx, "Failed to get CPos.x property");
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return false;
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}
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if (!FromJSProperty(cx, v, "y", out.y))
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{
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JS_ReportError(cx, "Failed to get CPos.y property");
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return false;
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}
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return true;
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}
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template<> void ScriptInterface::ToJSVal<CClientArea>(JSContext* cx, JS::MutableHandleValue ret, const CClientArea& val)
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{
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val.ToJSVal(cx, ret);
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}
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template<> bool ScriptInterface::FromJSVal<CClientArea>(JSContext* cx, JS::HandleValue v, CClientArea& out)
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{
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return out.FromJSVal(cx, v);
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}
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template<> void ScriptInterface::ToJSVal<CGUIList>(JSContext* cx, JS::MutableHandleValue ret, const CGUIList& val)
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{
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ToJSVal(cx, ret, val.m_Items);
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}
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template<> bool ScriptInterface::FromJSVal<CGUIList>(JSContext* cx, JS::HandleValue v, CGUIList& out)
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{
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return FromJSVal(cx, v, out.m_Items);
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}
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template<> void ScriptInterface::ToJSVal<CGUISeries>(JSContext* cx, JS::MutableHandleValue ret, const CGUISeries& val)
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{
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ToJSVal(cx, ret, val.m_Series);
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}
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template<> bool ScriptInterface::FromJSVal<CGUISeries>(JSContext* cx, JS::HandleValue v, CGUISeries& out)
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{
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return FromJSVal(cx, v, out.m_Series);
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}
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template<> void ScriptInterface::ToJSVal<EVAlign>(JSContext* cx, JS::MutableHandleValue ret, const EVAlign& val)
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{
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std::string word;
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switch (val)
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{
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case EVAlign_Top:
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word = "top";
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break;
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case EVAlign_Bottom:
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word = "bottom";
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break;
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case EVAlign_Center:
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word = "center";
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break;
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default:
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word = "error";
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JS_ReportError(cx, "Invalid EVAlign");
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break;
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}
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ToJSVal(cx, ret, word);
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}
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template<> bool ScriptInterface::FromJSVal<EVAlign>(JSContext* cx, JS::HandleValue v, EVAlign& out)
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{
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std::string word;
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FromJSVal(cx, v, word);
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if (word == "top")
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out = EVAlign_Top;
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else if (word == "bottom")
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out = EVAlign_Bottom;
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else if (word == "center")
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out = EVAlign_Center;
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else
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{
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out = EVAlign_Top;
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JS_ReportError(cx, "Invalid alignment (should be 'left', 'right' or 'center')");
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return false;
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}
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return true;
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}
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template<> void ScriptInterface::ToJSVal<EAlign>(JSContext* cx, JS::MutableHandleValue ret, const EAlign& val)
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{
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std::string word;
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switch (val)
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{
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case EAlign_Left:
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word = "left";
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break;
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case EAlign_Right:
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word = "right";
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break;
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case EAlign_Center:
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word = "center";
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break;
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default:
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word = "error";
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JS_ReportError(cx, "Invalid alignment (should be 'left', 'right' or 'center')");
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break;
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}
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ToJSVal(cx, ret, word);
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}
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template<> bool ScriptInterface::FromJSVal<EAlign>(JSContext* cx, JS::HandleValue v, EAlign& out)
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{
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std::string word;
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FromJSVal(cx, v, word);
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if (word == "left")
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out = EAlign_Left;
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else if (word == "right")
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out = EAlign_Right;
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else if (word == "center")
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out = EAlign_Center;
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else
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{
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out = EAlign_Left;
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JS_ReportError(cx, "Invalid alignment (should be 'left', 'right' or 'center')");
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return false;
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}
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return true;
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}
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template<> void ScriptInterface::ToJSVal<CGUISpriteInstance>(JSContext* cx, JS::MutableHandleValue ret, const CGUISpriteInstance& val)
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{
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ToJSVal(cx, ret, val.GetName());
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}
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template<> bool ScriptInterface::FromJSVal<CGUISpriteInstance>(JSContext* cx, JS::HandleValue v, CGUISpriteInstance& out)
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{
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std::string name;
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if (!FromJSVal(cx, v, name))
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return false;
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out.SetName(name);
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return true;
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}
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#undef SET
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