356 lines
9.0 KiB
C++
Executable File
356 lines
9.0 KiB
C++
Executable File
// $Id: JSInterface_IGUIObject.cpp,v 1.2 2004/07/10 21:23:06 philip Exp $
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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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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, NULL
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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, 0 },
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{ "getByName", JSI_IGUIObject::getByName, 1, 0, 0 },
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{ 0 }
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};
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JSBool JSI_IGUIObject::getProperty(JSContext* cx, JSObject* obj, jsval id, jsval* vp)
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{
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CStr propName = JS_GetStringBytes(JS_ValueToString(cx, id));
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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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// just for efficiency.)
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if (propName == (CStr)"constructor" ||
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propName == (CStr)"toString" ||
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propName == (CStr)"getByName"
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)
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return JS_TRUE;
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IGUIObject* e = (IGUIObject*)JS_GetPrivate(cx, obj);
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// Handle the "parent" property specially
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if (propName == (CStr)"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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JSObject* entity = JS_NewObject(cx, &JSI_IGUIObject::JSI_class, NULL, NULL);
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JS_SetPrivate(cx, entity, parent);
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*vp = OBJECT_TO_JSVAL(entity);
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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_VOID;
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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 == (CStr)"name")
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{
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*vp = STRING_TO_JSVAL(JS_NewStringCopyZ(cx, e->GetName()));
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return JS_TRUE;
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}
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else
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{
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EGUISettingType Type;
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if (e->GetSettingType(propName, Type) != PS_OK)
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{
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// Possibly a function, but they should have been individually
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// handled above, so complain about it
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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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// (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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*vp = DOUBLE_TO_JSVAL(JS_NewDouble(cx, value) );
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break;
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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_GUIColour::JSI_class, NULL, NULL);
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jsval r = DOUBLE_TO_JSVAL(JS_NewDouble(cx, colour.r));
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jsval g = DOUBLE_TO_JSVAL(JS_NewDouble(cx, colour.g));
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jsval b = DOUBLE_TO_JSVAL(JS_NewDouble(cx, colour.b));
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jsval a = DOUBLE_TO_JSVAL(JS_NewDouble(cx, colour.a));
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JS_SetProperty(cx, obj, "r", &r);
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JS_SetProperty(cx, obj, "g", &g);
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JS_SetProperty(cx, obj, "b", &b);
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JS_SetProperty(cx, obj, "a", &a);
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*vp = OBJECT_TO_JSVAL(obj);
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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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CRect size = area.pixel;
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JSObject* obj = JS_NewObject(cx, &JSI_GUISize::JSI_class, NULL, NULL);
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jsval left = INT_TO_JSVAL(size.left);
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jsval top = INT_TO_JSVAL(size.top);
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jsval right = INT_TO_JSVAL(size.right);
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jsval bottom = INT_TO_JSVAL(size.bottom);
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JS_SetProperty(cx, obj, "left", &left);
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JS_SetProperty(cx, obj, "top", &top);
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JS_SetProperty(cx, obj, "right", &right);
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JS_SetProperty(cx, obj, "bottom", &bottom);
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*vp = OBJECT_TO_JSVAL(obj);
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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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// Create a garbage-collectable copy of the string
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*vp = STRING_TO_JSVAL(JS_NewStringCopyZ(cx, value.GetRawString().c_str() ));
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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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// Create a garbage-collectable copy of the string
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*vp = STRING_TO_JSVAL(JS_NewStringCopyZ(cx, value.c_str() ));
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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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*vp = JSVAL_NULL;
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break;
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}
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return JS_TRUE;
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}
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// Automatically falls through to methods
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return JS_TRUE;
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}
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JSBool JSI_IGUIObject::setProperty(JSContext* cx, JSObject* obj, jsval id, jsval* vp)
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{
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IGUIObject* e = (IGUIObject*)JS_GetPrivate(cx, obj);
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CStr propName = g_ScriptingHost.ValueToString(id);
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if (propName == (CStr)"name")
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{
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CStr propValue = JS_GetStringBytes(JS_ValueToString(cx, *vp));
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e->SetName(propValue);
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}
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else
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{
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EGUISettingType Type;
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if (e->GetSettingType(propName, Type) != PS_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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try
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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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case GUIST_CGUIString:
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e->SetSetting(propName, JS_GetStringBytes(JS_ValueToString(cx, *vp)) );
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break;
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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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JS_ReportError(cx, "Cannot convert value to int");
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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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JS_ReportError(cx, "Cannot convert value to float");
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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||0); // ||0 to avoid int-to-bool compiler warnings
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else
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JS_ReportError(cx, "Cannot convert value to bool");
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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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e->SetSetting(propName, JS_GetStringBytes(JS_ValueToString(cx, *vp)) );
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}
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else if (JSVAL_IS_OBJECT(*vp) && JS_GetClass(JSVAL_TO_OBJECT(*vp)) == &JSI_GUISize::JSI_class)
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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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jsval t; int32 s;
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#define PROP(x) JS_GetProperty(cx, obj, #x, &t); \
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JS_ValueToInt32(cx, t, &s); \
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area.pixel.x = s
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PROP(left); PROP(top); PROP(right); PROP(bottom);
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#undef PROP
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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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}
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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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e->SetSetting(propName, JS_GetStringBytes(JS_ValueToString(cx, *vp)) );
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}
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else if (JSVAL_IS_OBJECT(*vp) && JS_GetClass(JSVAL_TO_OBJECT(*vp)) == &JSI_GUIColour::JSI_class)
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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 GUIColour objects");
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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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break;
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}
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}
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catch (PS_RESULT)
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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_TRUE;
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}
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}
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return JS_TRUE;
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}
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JSBool JSI_IGUIObject::construct(JSContext* cx, JSObject* obj, unsigned int argc, jsval* argv, jsval* rval)
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{
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if (argc == 0)
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{
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JS_ReportError(cx, "GUIObject has no default constructor");
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return JS_FALSE;
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}
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assert(argc == 1);
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// Store the IGUIObject in the JS object's 'private' area
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IGUIObject* guiObject = (IGUIObject*)JSVAL_TO_PRIVATE(argv[0]);
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JS_SetPrivate(cx, obj, guiObject);
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return JS_TRUE;
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}
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JSBool JSI_IGUIObject::getByName(JSContext* cx, JSObject* obj, unsigned int argc, jsval* argv, jsval* rval)
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{
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assert(argc == 1);
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CStr objectName = JS_GetStringBytes(JS_ValueToString(cx, argv[0]));
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IGUIObject* guiObject = g_GUI.FindObjectByName(objectName);
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if (!guiObject)
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{
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// Not found - return null
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*rval = JSVAL_NULL;
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return JS_TRUE;
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}
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JSObject* entity = JS_NewObject(cx, &JSI_IGUIObject::JSI_class, NULL, NULL);
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JS_SetPrivate(cx, entity, guiObject);
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*rval = OBJECT_TO_JSVAL(entity);
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return JS_TRUE;
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}
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void JSI_IGUIObject::init()
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{
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g_ScriptingHost.DefineCustomObjectType(&JSI_class, construct, 1, JSI_props, JSI_methods, NULL, NULL);
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}
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JSBool JSI_IGUIObject::toString(JSContext* cx, JSObject* obj, uintN argc, jsval* argv, jsval* rval)
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{
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IGUIObject* e = (IGUIObject*)JS_GetPrivate( cx, obj );
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char buffer[256];
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snprintf(buffer, 256, "[GUIObject: %s]", (const TCHAR*)e->GetName());
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buffer[255] = 0;
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*rval = STRING_TO_JSVAL(JS_NewStringCopyZ(cx, buffer));
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return JS_TRUE;
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}
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