minxomat

GlobalEvents UDF - Create events on everything (with arguments)

2 posts in this topic

Introduction

The recently introduced feature of passing function pointers as arguments makes it possible, with the help of this UDF to create abriatary events with arguments. Here is a very simple example of a single-execution event:

#include "GlobalEvents.au3"

_GlobalEvents_Create("@SEC = 30", Test1)

While Sleep(30)
WEnd

Func Test1()
    MsgBox(0, "Test", "@SEC equals 30!")
EndFunc

This event will be triggered once, when @SEC is 30 and then die.

 

Features

  • Create how many events you want.
  • An event can be created on every possible single-line AutoIt expression.
  • You can pass an array of arguments to the event handler.
  • There are two types of events: Single-execution (those are triggered once, then die - though you can reset them) and Looping, where the event triggers every time it evaluates true.
  • You can pause and restart the evaluation of all events.
  • You can set the delay between evaluations (standard is 333ms).
  • You can destroy events. (The global event pool has an initial size of 1024 to prevent ReDim-ing. Destroying old events further prevents ReDim-ing.)
  • It doesn't matter if your script operates in OnEvent or Message mode. You can use everything as usual (yes, even OnEvents and Adlib).

 

Examples

1. Single-Execution (+ with arguments)

#include "GlobalEvents.au3"

Local $hGUI, $hLabel, $hInput, $sPassword = "1234"

; Trigger Test1 when $hGUI receives a value. And trigger only once.
_GlobalEvents_Create("$hGUI", Test1)

; Trigger Test2 when the right password was entered, exit the script from the event.
; Pass some arguments :)
_GlobalEvents_Create("GuiCtrlRead($hInput) == $sPassword", Test2, 0, MouseGetPos())

$hGUI = GUICreate("", 175, 50)
$hLabel = GUICtrlCreateLabel("Enter your password (1234)!", 0, 5, 175, 15, 1)
$hInput = GUICtrlCreateInput("", 5, 25, 165, 20, 1)
GUISetState()

While GUIGetMsg() <> -3
WEnd

; Event handler 1
Func Test1()
    MsgBox(0, "Event Test1", "GUI was created!")
EndFunc

; Event handler 2
Func Test2($aCoords)
    GUIDelete($hGUI)
    Exit MsgBox(0, "Event Test2", "The password was correct!" & @CRLF & @CRLF & "BTW: Your mouse coordinates are " & $aCoords[0] & ":" & $aCoords[1] & "!") - 1
EndFunc

 

2. Looping execution (+ custom delay)

#include "GlobalEvents.au3"
#include <Misc.au3>

GUICreate("Test")
$hLabel = GUICtrlCreateLabel("", 0, 190, 400, 20, 1)
GUISetState()

; Set lower delay:
_GlobalEvents_SetDelay(100)
; Looping event:
_GlobalEvents_Create("_IsPressed('20')", SpacePressed, 2)
_GlobalEvents_Create("_IsPressed('20')=0", SpaceNotPressed, 2)

While GUIGetMsg() <>-3
    ; here be code
WEnd

Func SpacePressed()
    DisplayMessage("Space is pressed (" & @SEC & ").")
EndFunc

Func SpaceNotPressed()
    DisplayMessage("Space is not pressed :(")
EndFunc

Func DisplayMessage($sText)
    If GUICtrlRead($hLabel) <> $sText Then GUICtrlSetData($hLabel, $sText)
EndFunc

 

 

Download

See attachments. 

Example.au3

Example_Continious.au3

Example_Minimal.au3

GlobalEvents.au3

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