[英]How can I do a callback from FireBreath to JavaScript
Code sample: 代码示例:
bool MirrarOrnaments::onMouseDown(FB::MouseDownEvent *evt, FB::PluginWindow *)
{
if(evt->m_Btn == FB::MouseButtonEvent::MouseButton_Left)
{
//from here i need to function in my JavaScript with argument of FB::variant_list_of(evt->m_x)(evt->m_y));
}
}
Is it possible? 可能吗?
Was trying simply return variant_list to use it in JS, 试图简单地返回variant_list以在JS中使用它,
but it need to be bool anyway cos of: 但无论如何,它都必须是布尔的cos:
BEGIN_PLUGIN_EVENT_MAP()
EVENTTYPE_CASE(FB::MouseDownEvent, onMouseDown, FB::PluginWindow)
END_PLUGIN_EVENT_MAP()
to have a callback into JavaScript you first need to pass a callback as input to your JSAPI plugins. 要对JavaScript进行回调,您首先需要将回调作为输入传递给JSAPI插件。
you can do this as follows: 您可以按照以下步骤进行操作:
in PluginTestAPI.cpp 在PluginTestAPI.cpp中
registerMethod("SetCallback", make_method(this, &PluginTestAPI::SetCallback));
int PluginTestAPI::SetCallback(const FB::JSObjectPtr& callback)
{
m_CallBack = callback;
}
in PluginTestAPI.h 在PluginTestAPI.h中
class PluginTestAPI
{
FB::JSObjectPtr* m_pCallback;
int SetCallback(const FB::JSObjectPtr& callback);
and then in the JavaScript pass this function when you setup: 然后在JavaScript中设置时传递此函数:
function myJSCallback (params) {
}
myplugin.SetCallBack(myJSCallback);
Then you can call this callback from your C++ code: 然后,您可以从C ++代码调用此回调:
bool MirrarOrnaments::onMouseDown(FB::MouseDownEvent *evt, FB::PluginWindow *)
{
if(evt->m_Btn == FB::MouseButtonEvent::MouseButton_Left)
{
//from here i need to function in my JavaScript with argument of
m_pCallback->Invoke(FB::variant_list_of(evt->m_x)(evt->m_y));
}
}
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