Plugin:MirLua/Module/m core

This module is imported into global table and available in any module through variable m. It allows you to access basic features of Miranda NG core.

Constants

	Type	Description
NULL	light userdata	Null pointer.
INVALID_HANDLE_VALUE	light userdata	Invalid handle.
CALLSERVICE_NOTFOUND	number	Result of service call when service does not exist.

Named events

CreateHookableEvent

Creates a hookable event.

Parameters

name

Type: string

Event name.

Result

     Type:: light userdata

Returns event handle if event was created successfully, otherwise nil.

Example

local hEvent = m.CreateHookableEvent('MyEvent')
if hEvent == m.NULL then
  print('Event handle is empty!')
end

---

HookEvent

Sets a callback function ("hook") to react to event call. Hooks are called one by one in the order they were added to the sequence.

Hook signature: function (wParam, lParam) return 0 end.

Correct result for a hook is 0. When 1 is returned, the following hooks in a sequence won't be called.

Parameters

name

Type: string

Event name.

hook

Type: function

Hook function to be called when event occurs.

Result

     Type:: light userdata

Returns hook handle if hook was created successfully, otherwise nil.

Example

local hHook = m.HookEvent('MyEvent', function(w, l)
  print('MyEvent is raised!')
end)

---

UnhookEvent

Removes hook from event call sequence.

Parameters

hEvent

Type: light userdata

Event handle received on CreateHookableEvent call.

Result

     Type:: boolean

Returns true if hook function was removed successfully, otherwise false.

Example

m.UnhookEvent(hHook)

---

NotifyEventHooks

Calls all hooks of event call sequence one by one.

Parameters

hEvent

Type: light userdata

Event handle received on CreateHookableEvent call.

wParam

lParam

Result

     Type:: boolean

Returns true if all hooks were called, otherwise false.

Example

m.NotifyEventHooks(hEvent)

Named service functions

CreateServiceFunction

Creates a service function ("service")

Parameters

name

Type: string

Service name.

Result

     Type:: light userdata

Returns service handle if service was created successfully, otherwise nil.

Example

local hService = m.CreateServiceFunction('MyService', function(w, l)
  print('MyServiceis called!')
end)

---

CallService

Calls service with parameters.

Parameters

name

Type: string

Service name.

wParam

lParam

Result

     Type:: number

Returns result of service execution or CALLSERVICE_NOTFOUND

Example

local result = m.CallService('MyService')
if result == m.CALLSERVICE_NOTFOUND then
  print('Service is not found!')
end

---

ServiceExists

Checks if service exists by its name.

Parameters

name

Type: string

Service name.

Result

     Type:: boolean

Returns true if service exists, otherwise false

Example

if m.ServiceExists('MyService') then
  m.CallService('MyService')
end

---

DestroyServiceFunction

Destroys a service function.

Parameters

hService

Type: light userdata

Service handle received on CreateServiceFunction call.

Example

m.DestroyServiceFunction(hService)

Other

IsPluginLoaded

Checks if plugin is loaded by its UUID.

Parameters

uuid

Type: string

Plugin UUID in format xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx.

Result

     Type:: boolean

Returns true if plugin is loaded, otherwise false.

Example

if m.IsPluginLoaded('{F0FDF73A-753D-499d-8DBA-336DB79CDD41}') then
  print('Advanced auto away plugin is loaded!')
end

---

Translate

Translates a string into the language of the current langpack.

text

Type: string

Result

     Type:: string

Example

m.Translate('Exit')

---

Parse

Replaces Miranda NG variables in a string.

text

Result

     Type:: string

Example

local profileName = m.ReplaceVariables('%miranda_profilename%')