682 lines
16 KiB
C++
682 lines
16 KiB
C++
/* Copyright (C) 2013 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 "JSInterface_IGUIObject.h"
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#include "JSInterface_GUITypes.h"
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#include "gui/IGUIObject.h"
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#include "gui/CGUI.h"
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#include "gui/IGUIScrollBar.h"
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#include "gui/CList.h"
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#include "gui/GUIManager.h"
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#include "ps/CLogger.h"
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#include "scriptinterface/ScriptInterface.h"
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JSClass JSI_IGUIObject::JSI_class = {
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"GUIObject", JSCLASS_HAS_PRIVATE,
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JS_PropertyStub, JS_PropertyStub,
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JSI_IGUIObject::getProperty, JSI_IGUIObject::setProperty,
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JS_EnumerateStub, JS_ResolveStub,
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JS_ConvertStub, JS_FinalizeStub,
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NULL, NULL, NULL, JSI_IGUIObject::construct
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};
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JSPropertySpec JSI_IGUIObject::JSI_props[] =
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{
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{ 0 }
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};
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JSFunctionSpec JSI_IGUIObject::JSI_methods[] =
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{
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{ "toString", JSI_IGUIObject::toString, 0, 0 },
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{ "focus", JSI_IGUIObject::focus, 0, 0 },
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{ "blur", JSI_IGUIObject::blur, 0, 0 },
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{ "getComputedSize", JSI_IGUIObject::getComputedSize, 0, 0 },
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{ 0 }
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};
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JSBool JSI_IGUIObject::getProperty(JSContext* cx, JSObject* obj, jsid id, jsval* vp)
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{
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IGUIObject* e = (IGUIObject*)JS_GetInstancePrivate(cx, obj, &JSI_IGUIObject::JSI_class, NULL);
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if (!e)
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return JS_FALSE;
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jsval idval;
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if (!JS_IdToValue(cx, id, &idval))
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return JS_FALSE;
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std::string propName;
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if (!ScriptInterface::FromJSVal(cx, idval, propName))
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return JS_FALSE;
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// Skip some things which are known to be functions rather than properties.
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// ("constructor" *must* be here, else it'll try to GetSettingType before
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// the private IGUIObject* has been set (and thus crash). The others are
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// partly for efficiency, and also to allow correct reporting of attempts to
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// access nonexistent properties.)
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if (propName == "constructor" ||
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propName == "prototype" ||
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propName == "toString" ||
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propName == "toJSON" ||
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propName == "focus" ||
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propName == "blur" ||
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propName == "getComputedSize"
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)
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return JS_TRUE;
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// Use onWhatever to access event handlers
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if (propName.substr(0, 2) == "on")
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{
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CStr eventName (CStr(propName.substr(2)).LowerCase());
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std::map<CStr, JSObject**>::iterator it = e->m_ScriptHandlers.find(eventName);
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if (it == e->m_ScriptHandlers.end())
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*vp = JSVAL_NULL;
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else
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*vp = OBJECT_TO_JSVAL(*(it->second));
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return JS_TRUE;
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}
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// Handle the "parent" property specially
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if (propName == "parent")
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{
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IGUIObject* parent = e->GetParent();
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if (parent)
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{
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// If the object isn't parentless, return a new object
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*vp = OBJECT_TO_JSVAL(parent->GetJSObject());
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}
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else
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{
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// Return null if there's no parent
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*vp = JSVAL_NULL;
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}
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return JS_TRUE;
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}
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// Also handle "name" specially
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else if (propName == "name")
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{
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*vp = STRING_TO_JSVAL(JS_NewStringCopyZ(cx, e->GetName().c_str()));
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return JS_TRUE;
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}
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// Handle all other properties
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else
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{
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// Retrieve the setting's type (and make sure it actually exists)
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EGUISettingType Type;
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if (e->GetSettingType(propName, Type) != PSRETURN_OK)
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{
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JS_ReportError(cx, "Invalid GUIObject property '%s'", propName.c_str());
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return JS_FALSE;
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}
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// (All the cases are in {...} to avoid scoping problems)
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switch (Type)
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{
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case GUIST_bool:
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{
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bool value;
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GUI<bool>::GetSetting(e, propName, value);
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*vp = value ? JSVAL_TRUE : JSVAL_FALSE;
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break;
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}
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case GUIST_int:
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{
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int value;
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GUI<int>::GetSetting(e, propName, value);
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*vp = INT_TO_JSVAL(value);
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break;
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}
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case GUIST_float:
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{
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float value;
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GUI<float>::GetSetting(e, propName, value);
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// Create a garbage-collectable double
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return JS_NewNumberValue(cx, value, vp);
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}
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case GUIST_CColor:
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{
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CColor colour;
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GUI<CColor>::GetSetting(e, propName, colour);
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JSObject* obj = JS_NewObject(cx, &JSI_GUIColor::JSI_class, NULL, NULL);
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*vp = OBJECT_TO_JSVAL(obj); // root it
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jsval c;
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// Attempt to minimise ugliness through macrosity
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#define P(x) if (!JS_NewNumberValue(cx, colour.x, &c)) return JS_FALSE; JS_SetProperty(cx, obj, #x, &c)
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P(r);
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P(g);
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P(b);
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P(a);
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#undef P
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break;
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}
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case GUIST_CClientArea:
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{
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CClientArea area;
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GUI<CClientArea>::GetSetting(e, propName, area);
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JSObject* obj = JS_NewObject(cx, &JSI_GUISize::JSI_class, NULL, NULL);
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*vp = OBJECT_TO_JSVAL(obj); // root it
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try
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{
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#define P(x, y, z) g_ScriptingHost.SetObjectProperty_Double(obj, #z, area.x.y)
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P(pixel, left, left);
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P(pixel, top, top);
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P(pixel, right, right);
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P(pixel, bottom, bottom);
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P(percent, left, rleft);
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P(percent, top, rtop);
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P(percent, right, rright);
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P(percent, bottom, rbottom);
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#undef P
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}
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catch (PSERROR_Scripting_ConversionFailed&)
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{
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debug_warn(L"Error creating size object!");
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break;
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}
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break;
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}
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case GUIST_CGUIString:
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{
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CGUIString value;
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GUI<CGUIString>::GetSetting(e, propName, value);
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*vp = ScriptInterface::ToJSVal(cx, value.GetOriginalString());
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break;
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}
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case GUIST_CStr:
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{
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CStr value;
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GUI<CStr>::GetSetting(e, propName, value);
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*vp = ScriptInterface::ToJSVal(cx, value);
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break;
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}
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case GUIST_CStrW:
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{
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CStrW value;
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GUI<CStrW>::GetSetting(e, propName, value);
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*vp = ScriptInterface::ToJSVal(cx, value);
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break;
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}
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case GUIST_CGUISpriteInstance:
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{
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CGUISpriteInstance *value;
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GUI<CGUISpriteInstance>::GetSettingPointer(e, propName, value);
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*vp = ScriptInterface::ToJSVal(cx, value->GetName());
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break;
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}
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case GUIST_EAlign:
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{
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EAlign value;
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GUI<EAlign>::GetSetting(e, propName, value);
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CStr word;
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switch (value)
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{
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case EAlign_Left: word = "left"; break;
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case EAlign_Right: word = "right"; break;
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case EAlign_Center: word = "center"; break;
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default: debug_warn(L"Invalid EAlign!"); word = "error"; break;
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}
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*vp = ScriptInterface::ToJSVal(cx, word);
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break;
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}
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case GUIST_EVAlign:
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{
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EVAlign value;
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GUI<EVAlign>::GetSetting(e, propName, value);
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CStr word;
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switch (value)
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{
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case EVAlign_Top: word = "top"; break;
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case EVAlign_Bottom: word = "bottom"; break;
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case EVAlign_Center: word = "center"; break;
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default: debug_warn(L"Invalid EVAlign!"); word = "error"; break;
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}
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*vp = ScriptInterface::ToJSVal(cx, word);
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break;
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}
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case GUIST_CGUIList:
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{
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CGUIList value;
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GUI<CGUIList>::GetSetting(e, propName, value);
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JSObject *obj = JS_NewArrayObject(cx, 0, NULL);
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*vp = OBJECT_TO_JSVAL(obj); // root it
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for (size_t i = 0; i < value.m_Items.size(); ++i)
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{
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jsval val = ScriptInterface::ToJSVal(cx, value.m_Items[i].GetOriginalString());
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JS_SetElement(cx, obj, (jsint)i, &val);
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}
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break;
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}
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default:
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JS_ReportError(cx, "Setting '%s' uses an unimplemented type", propName.c_str());
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DEBUG_WARN_ERR(ERR::LOGIC);
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return JS_FALSE;
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}
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return JS_TRUE;
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}
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}
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JSBool JSI_IGUIObject::setProperty(JSContext* cx, JSObject* obj, jsid id, JSBool UNUSED(strict), jsval* vp)
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{
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IGUIObject* e = (IGUIObject*)JS_GetInstancePrivate(cx, obj, &JSI_IGUIObject::JSI_class, NULL);
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if (!e)
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return JS_FALSE;
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jsval idval;
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if (!JS_IdToValue(cx, id, &idval))
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return JS_FALSE;
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std::string propName;
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if (!ScriptInterface::FromJSVal(cx, idval, propName))
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return JS_FALSE;
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if (propName == "name")
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{
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std::string value;
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if (!ScriptInterface::FromJSVal(cx, *vp, value))
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return JS_FALSE;
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e->SetName(value);
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return JS_TRUE;
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}
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// Use onWhatever to set event handlers
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if (propName.substr(0, 2) == "on")
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{
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if (!JSVAL_IS_OBJECT(*vp) || !JS_ObjectIsFunction(cx, JSVAL_TO_OBJECT(*vp)))
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{
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JS_ReportError(cx, "on- event-handlers must be functions");
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return JS_FALSE;
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}
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CStr eventName (CStr(propName.substr(2)).LowerCase());
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e->SetScriptHandler(eventName, JSVAL_TO_OBJECT(*vp));
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return JS_TRUE;
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}
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// Retrieve the setting's type (and make sure it actually exists)
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EGUISettingType Type;
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if (e->GetSettingType(propName, Type) != PSRETURN_OK)
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{
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JS_ReportError(cx, "Invalid setting '%s'", propName.c_str());
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return JS_TRUE;
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}
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switch (Type)
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{
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case GUIST_CStr:
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{
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std::string value;
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if (!ScriptInterface::FromJSVal(cx, *vp, value))
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return JS_FALSE;
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GUI<CStr>::SetSetting(e, propName, value);
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break;
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}
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case GUIST_CStrW:
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{
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std::wstring value;
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if (!ScriptInterface::FromJSVal(cx, *vp, value))
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return JS_FALSE;
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GUI<CStrW>::SetSetting(e, propName, value);
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break;
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}
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case GUIST_CGUISpriteInstance:
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{
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std::string value;
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if (!ScriptInterface::FromJSVal(cx, *vp, value))
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return JS_FALSE;
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GUI<CGUISpriteInstance>::SetSetting(e, propName, CGUISpriteInstance(value));
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break;
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}
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case GUIST_CGUIString:
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{
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std::wstring value;
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if (!ScriptInterface::FromJSVal(cx, *vp, value))
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return JS_FALSE;
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CGUIString str;
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str.SetValue(value);
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GUI<CGUIString>::SetSetting(e, propName, str);
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break;
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}
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case GUIST_EAlign:
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{
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std::string value;
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if (!ScriptInterface::FromJSVal(cx, *vp, value))
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return JS_FALSE;
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EAlign a;
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if (value == "left") a = EAlign_Left;
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else if (value == "right") a = EAlign_Right;
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else if (value == "center" || value == "centre") a = EAlign_Center;
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else
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{
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JS_ReportError(cx, "Invalid alignment (should be 'left', 'right' or 'center')");
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return JS_FALSE;
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}
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GUI<EAlign>::SetSetting(e, propName, a);
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break;
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}
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case GUIST_EVAlign:
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{
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std::string value;
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if (!ScriptInterface::FromJSVal(cx, *vp, value))
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return JS_FALSE;
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EVAlign a;
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if (value == "top") a = EVAlign_Top;
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else if (value == "bottom") a = EVAlign_Bottom;
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else if (value == "center" || value == "centre") a = EVAlign_Center;
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else
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{
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JS_ReportError(cx, "Invalid alignment (should be 'top', 'bottom' or 'center')");
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return JS_FALSE;
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}
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GUI<EVAlign>::SetSetting(e, propName, a);
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break;
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}
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case GUIST_int:
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{
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int32 value;
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if (JS_ValueToInt32(cx, *vp, &value) == JS_TRUE)
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GUI<int>::SetSetting(e, propName, value);
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else
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{
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JS_ReportError(cx, "Cannot convert value to int");
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return JS_FALSE;
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}
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break;
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}
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case GUIST_float:
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{
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jsdouble value;
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if (JS_ValueToNumber(cx, *vp, &value) == JS_TRUE)
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GUI<float>::SetSetting(e, propName, (float)value);
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else
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{
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JS_ReportError(cx, "Cannot convert value to float");
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return JS_FALSE;
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}
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break;
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}
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case GUIST_bool:
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{
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JSBool value;
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if (JS_ValueToBoolean(cx, *vp, &value) == JS_TRUE)
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GUI<bool>::SetSetting(e, propName, value == JS_TRUE);
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else
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{
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JS_ReportError(cx, "Cannot convert value to bool");
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return JS_FALSE;
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}
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break;
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}
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case GUIST_CClientArea:
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{
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if (JSVAL_IS_STRING(*vp))
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{
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std::wstring value;
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if (!ScriptInterface::FromJSVal(cx, *vp, value))
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return JS_FALSE;
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if (e->SetSetting(propName, value) != PSRETURN_OK)
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{
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JS_ReportError(cx, "Invalid value for setting '%s'", propName.c_str());
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return JS_FALSE;
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}
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}
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else if (JSVAL_IS_OBJECT(*vp) && JS_InstanceOf(cx, JSVAL_TO_OBJECT(*vp), &JSI_GUISize::JSI_class, NULL))
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{
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CClientArea area;
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GUI<CClientArea>::GetSetting(e, propName, area);
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JSObject* obj = JSVAL_TO_OBJECT(*vp);
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#define P(x, y, z) area.x.y = (float)g_ScriptingHost.GetObjectProperty_Double(obj, #z)
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P(pixel, left, left);
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P(pixel, top, top);
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P(pixel, right, right);
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P(pixel, bottom, bottom);
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P(percent, left, rleft);
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P(percent, top, rtop);
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P(percent, right, rright);
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P(percent, bottom, rbottom);
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#undef P
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GUI<CClientArea>::SetSetting(e, propName, area);
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}
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else
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{
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JS_ReportError(cx, "Size only accepts strings or GUISize objects");
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return JS_FALSE;
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}
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break;
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}
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case GUIST_CColor:
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{
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if (JSVAL_IS_STRING(*vp))
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{
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std::wstring value;
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if (!ScriptInterface::FromJSVal(cx, *vp, value))
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return JS_FALSE;
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if (e->SetSetting(propName, value) != PSRETURN_OK)
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{
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JS_ReportError(cx, "Invalid value for setting '%s'", propName.c_str());
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return JS_FALSE;
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}
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}
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else if (JSVAL_IS_OBJECT(*vp) && JS_InstanceOf(cx, JSVAL_TO_OBJECT(*vp), &JSI_GUIColor::JSI_class, NULL))
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{
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CColor colour;
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JSObject* obj = JSVAL_TO_OBJECT(*vp);
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jsval t; double s;
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#define PROP(x) JS_GetProperty(cx, obj, #x, &t); \
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JS_ValueToNumber(cx, t, &s); \
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colour.x = (float)s
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PROP(r); PROP(g); PROP(b); PROP(a);
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#undef PROP
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GUI<CColor>::SetSetting(e, propName, colour);
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}
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else
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{
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JS_ReportError(cx, "Color only accepts strings or GUIColor objects");
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return JS_FALSE;
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}
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break;
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}
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case GUIST_CGUIList:
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{
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JSObject* obj = JSVAL_TO_OBJECT(*vp);
|
|
jsuint length;
|
|
if (JSVAL_IS_OBJECT(*vp) && JS_GetArrayLength(cx, obj, &length) == JS_TRUE)
|
|
{
|
|
CGUIList list;
|
|
|
|
for (int i=0; i<(int)length; ++i)
|
|
{
|
|
jsval element;
|
|
if (! JS_GetElement(cx, obj, i, &element))
|
|
{
|
|
JS_ReportError(cx, "Failed to get list element");
|
|
return JS_FALSE;
|
|
}
|
|
|
|
std::wstring value;
|
|
if (!ScriptInterface::FromJSVal(cx, element, value))
|
|
return JS_FALSE;
|
|
|
|
CGUIString str;
|
|
str.SetValue(value);
|
|
|
|
list.m_Items.push_back(str);
|
|
}
|
|
|
|
GUI<CGUIList>::SetSetting(e, propName, list);
|
|
}
|
|
else
|
|
{
|
|
JS_ReportError(cx, "List only accepts a GUIList object");
|
|
return JS_FALSE;
|
|
}
|
|
break;
|
|
}
|
|
|
|
// TODO Gee: (2004-09-01) EAlign and EVAlign too.
|
|
|
|
default:
|
|
JS_ReportError(cx, "Setting '%s' uses an unimplemented type", propName.c_str());
|
|
break;
|
|
}
|
|
|
|
return !JS_IsExceptionPending(cx);
|
|
}
|
|
|
|
|
|
JSBool JSI_IGUIObject::construct(JSContext* cx, uintN argc, jsval* vp)
|
|
{
|
|
if (argc == 0)
|
|
{
|
|
JS_ReportError(cx, "GUIObject has no default constructor");
|
|
return JS_FALSE;
|
|
}
|
|
|
|
JSObject* obj = JS_NewObject(cx, &JSI_IGUIObject::JSI_class, NULL, NULL);
|
|
|
|
// Store the IGUIObject in the JS object's 'private' area
|
|
IGUIObject* guiObject = (IGUIObject*)JSVAL_TO_PRIVATE(JS_ARGV(cx, vp)[0]);
|
|
JS_SetPrivate(cx, obj, guiObject);
|
|
|
|
JS_SET_RVAL(cx, vp, OBJECT_TO_JSVAL(obj));
|
|
return JS_TRUE;
|
|
}
|
|
|
|
void JSI_IGUIObject::init()
|
|
{
|
|
g_ScriptingHost.DefineCustomObjectType(&JSI_class, construct, 1, JSI_props, JSI_methods, NULL, NULL);
|
|
}
|
|
|
|
JSBool JSI_IGUIObject::toString(JSContext* cx, uintN argc, jsval* vp)
|
|
{
|
|
UNUSED2(argc);
|
|
|
|
IGUIObject* e = (IGUIObject*)JS_GetInstancePrivate(cx, JS_THIS_OBJECT(cx, vp), &JSI_IGUIObject::JSI_class, NULL);
|
|
if (!e)
|
|
return JS_FALSE;
|
|
|
|
char buffer[256];
|
|
snprintf(buffer, 256, "[GUIObject: %s]", e->GetName().c_str());
|
|
buffer[255] = 0;
|
|
JS_SET_RVAL(cx, vp, STRING_TO_JSVAL(JS_NewStringCopyZ(cx, buffer)));
|
|
return JS_TRUE;
|
|
}
|
|
|
|
JSBool JSI_IGUIObject::focus(JSContext* cx, uintN argc, jsval* vp)
|
|
{
|
|
UNUSED2(argc);
|
|
|
|
IGUIObject* e = (IGUIObject*)JS_GetInstancePrivate(cx, JS_THIS_OBJECT(cx, vp), &JSI_IGUIObject::JSI_class, NULL);
|
|
if (!e)
|
|
return JS_FALSE;
|
|
|
|
e->GetGUI()->SetFocusedObject(e);
|
|
|
|
JS_SET_RVAL(cx, vp, JSVAL_VOID);
|
|
return JS_TRUE;
|
|
}
|
|
|
|
JSBool JSI_IGUIObject::blur(JSContext* cx, uintN argc, jsval* vp)
|
|
{
|
|
UNUSED2(argc);
|
|
|
|
IGUIObject* e = (IGUIObject*)JS_GetInstancePrivate(cx, JS_THIS_OBJECT(cx, vp), &JSI_IGUIObject::JSI_class, NULL);
|
|
if (!e)
|
|
return JS_FALSE;
|
|
|
|
e->GetGUI()->SetFocusedObject(NULL);
|
|
|
|
JS_SET_RVAL(cx, vp, JSVAL_VOID);
|
|
return JS_TRUE;
|
|
}
|
|
|
|
JSBool JSI_IGUIObject::getComputedSize(JSContext* cx, uintN argc, jsval* vp)
|
|
{
|
|
UNUSED2(argc);
|
|
|
|
IGUIObject* e = (IGUIObject*)JS_GetInstancePrivate(cx, JS_THIS_OBJECT(cx, vp), &JSI_IGUIObject::JSI_class, NULL);
|
|
if (!e)
|
|
return JS_FALSE;
|
|
|
|
e->UpdateCachedSize();
|
|
CRect size = e->m_CachedActualSize;
|
|
|
|
JSObject* obj = JS_NewObject(cx, NULL, NULL, NULL);
|
|
try
|
|
{
|
|
g_ScriptingHost.SetObjectProperty_Double(obj, "left", size.left);
|
|
g_ScriptingHost.SetObjectProperty_Double(obj, "right", size.right);
|
|
g_ScriptingHost.SetObjectProperty_Double(obj, "top", size.top);
|
|
g_ScriptingHost.SetObjectProperty_Double(obj, "bottom", size.bottom);
|
|
}
|
|
catch (PSERROR_Scripting_ConversionFailed&)
|
|
{
|
|
debug_warn(L"Error creating size object!");
|
|
return JS_FALSE;
|
|
}
|
|
|
|
JS_SET_RVAL(cx, vp, OBJECT_TO_JSVAL(obj));
|
|
return JS_TRUE;
|
|
}
|