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minxomat

GlobalEvents UDF - Create events on everything (with arguments)

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minxomat

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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