I am writing a Roku application and I need to read a string from the standard input. I am aware that to print to the standard output I can use the function print, but I need to give to the user the launches the script the possibility to insert new parameters at run time, for example (pseudo-code):
print "Enter server IP: "
string ip = getline();
print "Server IP " + ip
Is there a way to do it?
You would need to add Keyboad*** component to your Scene.xml file:
<Keyboard
id = "keyboard"
/>
After that add a Button component in Scene.xml, declare it in Scene.brs - init() function and set observer field on "buttonSelected".Also declare keyboard and set focus on it:
init() :
m.keyboard = m.top.findNode("keyboard")
m.keyboard.setFocus(true)
m.button = m.top.findNode("button")
m.button.observeField("buttonSelected","onButtonSelected")
Then create a Sub to get a user input from Keyboard when button is pressed:
Sub onButtonSelected()
print m.keyboard.textEditBox.text
End Sub
***Note that Keyboard component has TextEditBox build in so you don't have to add it manually in Scene.xml file.
There is no "standard input" concept in Roku development. There are a few way your code can take external input though.
One is as mentioned above by #U-Mitic - to use component with keyboard input from the remote control, like roKeyboardScreen or KeyboardDialog RSG node and the like.
Another is to send such information externally over http by using ECP (Roku's External Control Protocol) - either /input or /launch w/params
Related
I'm building an application in FPM and I'm trying to open an external URL in a new tab. I'm using the following code:
data: lr_fpm type ref to if_fpm,
lr_nav type ref to if_fpm_navigate_to,
ls_url type fpm_s_launch_url,
ls_nav_additional_parameters type apb_lpd_s_portal_parameters.
if lr_fpm is not bound.
lr_fpm = cl_fpm_factory=>get_instance( ).
endif.
lr_nav = lr_fpm->get_navigate_to( ).
ls_url-url = '<A URL leading to a different application within my organisation>'.
ls_nav_additional_parameters-navigation_mode = 'EXTERNAL'.
call method lr_nav->launch_url
exporting
is_additional_parameters = ls_nav_additional_parameters
is_url_fields = ls_url_oi.
Unfortunately, in all browsers this opens a new window instead of a new tab. Is there some parameter that changes this behavior to opening the external URL in a new tab?
Thank you in advance,
Joshua
you can add the attribute target="_blank" to the end of your url.
Maybe if you add this to the "IS_ADDITIONAL_PARAMETERS" it will work as well.
Unfortunately, I currently do not have access to my SAP system to test this.
But it is worth a try
In Google apps script documentation, there is a page about Private functions on server side. That should explain that without private functions, the server code is visible from the user browser.
Can anybody explain how you can see such server side functions in a browser ?
Thanks
See : https://developers.google.com/apps-script/guides/html/communication#private_functions
The server code is never visible on the user's browser, only the functions names. Private functions hides those names, but more importantly they remove the ability from the frontend to call them directly.
In other words, private functions allow you to define your backend entry-points, preventing a malicious user to bypass some checks you might have and call your "internal" functions directly.
To showcase how easy it is to see the name and call any non-private backend function, I've put up this example where we inspect the google.script.run object:
function myFunction() {}
function anotherFunction() {}
function privateFunction_() {}
function doGet() {
return HtmlService.createHtmlOutput(
'<p id="output"></p>'+
"<script>var s = ''; for( var prop in google.script.run ) s+=prop+'<br>';"+
"document.getElementById('output').innerHTML = s;</script>"
);
}
Here's this example published:
https://script.google.com/macros/s/AKfycbzk0d03iB1O3vVYVD_U7eONM357iOPlAn7RFxAeZKx34q1Ones/exec
And its source code (same as above):
https://script.google.com/d/1WMY5jWblGl8U84WvVU_mZjHDg-6rGOoOPnKMF6m2bS_V-2g6IChBVDrg/edit
-- to address a question in the comments
The doGet function cannot be made private since its name is fixed/predefined. But that is not really a problem as this function is supposed to be an entry point anyways, and since you expect it to be called from the users' browsers and can do your parameters checks and such accordingly.
So I have a game client with 2 input fields: id pass and 1 button: login.
My login credentials are: $id=1234 and $pass=a_bCd.
I'm using AutoIT scripting to automate the login process (my script automatically inputs the id and pass in the login fields) and my AutoLogin() function looks like:
send($id + "{tab}")
Sleep(10)
send($pass + "{enter}")
Sometimes it works fine, but sometimes my script introduces 1234a- or 1234a_ in the ID field and the rest of the characters in the pass field. I tried many solutions like controlsend("Game","","","1234{tab}a_bCd{enter}"), or changing sleep() values, etc. but the input still goes wrong sometimes. Figured the send delay or sleep would have the problem, still don't know what to do.
Manually inserting the id and pass works properly. What would be a good solving of this problem? Thanks
I have had the same troubles with send. This post on autoitscript.com may help you with WinAPI_Keybd_Event() (documentation here):
#include <WinAPISys.au3>
_WinAPI_Keybd_Event(0x11, 0) # Push CTRL down
_WinAPI_Keybd_Event(0x11, 2) # Lift CTRL up again
This helped me with my problems.
NOTE: Sometimes, when your script breaks because of an error, it may happen that one of the keys on your keyboard is still pressed (i.e. pushed down but never lifted up). I use the on-screen keyboard that is integrated in Windows for these moments...
2 Solutions:
You add Strings with &:
send($id & "{tab}")
send($pass & "{enter}")
If that does not work just separate it:
send($id)
send("{tab}")
send($pass)
send("{enter}")
And you don't need that sleep
Stack,
I'm programming an external application that works in Autodesk's Revit (2015). I've created a button on the ribbon that allows the user to place a special equipment that I'll use later to read and pass on to another process. I using 'TheBuildingCoder's' 'Family API' examples to do so. The button on the ribbon has an external command set in the .addin file in the ProgramData Directory...
<AddIn Type="Command">
<Assembly>C:\GSN Programs\MyDll.dll</Assembly>
<AddInId>{97715E4F-EA48-4690-8C62-B5D4836FF452}</AddInId>
<FullClassName>RcarsPlugIn.PlaceEquipment</FullClassName>
<VendorId>MyCompany, LLC</VendorId>
<Text>Place Equipment</Text>
<VisibilityMode>AlwaysVisible</VisibilityMode>
<Discipline>Any</Discipline>
<LanguageType>Unknown</LanguageType>
</AddIn>
On the button press, I put the command data into a global variable to use throughout the program...
If IsNothing(gv_oGo) Then
gv_oGo = New clsGeneralOperations
gv_oGo.CachedCommandData = exCommandData
gv_oGo.UiApp = exCommandData.Application.ActiveUIDocument.Application
End If
With the CommandData cached I move to place the equipment by user pick...
uiDoc = gv_oGo.UiApp.ActiveUIDocument
oSym = oRF.FindElement(doc, GetType(FamilySymbol), "MyEQUIP")
uiDoc.PromptForFamilyInstancePlacement(oSym)
Public Function FindElement(doc As Document, targetType As Type, sTargetName As String) As Element
Return New FilteredElementCollector(doc).OfClass(targetType).FirstOrDefault(Function(e) e.Name.Equals(sTargetName))
End Function
That's where the problem comes into play. I get an error message sent back from Revit stating that "Placement is not permitted in an already modifiable document. The active transaction must be closed first." The problem is, I haven't started a different transaction. The button onthe ribbon is the first that touched when Revit starts.
Is there a way to loop through the open transactions and find one that is open? Is the document in some state that I don't understand? I'm not sure which direction to turn here... any help would be appreciated.
Thanks,
Runnin...
Ok, one clarifying question - the exception is occurring on
uiDoc.PromptForFamilyInstancePlacement(oSym) line correct? if so, try using a subtransaction to complete your command instead:
Document doc = uiDoc.Document;
using (SubTransaction subtr_fam = new SubTransaction(doc))
{
try
{
uiDoc.PromptForFamilyInstancePlacement(oSym);
}
catch(Exception e)
{
Console.WriteLine(e.StackTrace.ToString());
}
}
I got many scripts. I want to be able to manage them all in 1 in script.
What I want is that the main script will activate a certain script, then when the secondary script is done, it returns a value to the main script. After that, the main script calls another secondary script, etc...
Is there a proper way to do this?
More precise question:
Is it possible to activate a AHK script from another script AHK?
At the moment, to detect that at a secondary script is complete, the way I currently use is that right before the end of the secondary script, I press a combinaison of keys that the main script will detect. And once detected, it will increase a main script variable by one and this will trigger the activation of the next script. Is there a better way to achieve this?
The main script could call the other scripts using RunWait. The scripts could then communicate back before terminating themselves.
The best option for communication would be to use OnMessage.
The following is a working example from the documentation:
; Example: Send a string of any length from one script to another. This is a working example.
; To use it, save and run both of the following scripts then press Win+Space to show an
; InputBox that will prompt you to type in a string.
; Save the following script as "Receiver.ahk" then launch it:
#SingleInstance
OnMessage(0x4a, "Receive_WM_COPYDATA") ; 0x4a is WM_COPYDATA
return
Receive_WM_COPYDATA(wParam, lParam)
{
StringAddress := NumGet(lParam + 2*A_PtrSize) ; Retrieves the CopyDataStruct's lpData member.
CopyOfData := StrGet(StringAddress) ; Copy the string out of the structure.
; Show it with ToolTip vs. MsgBox so we can return in a timely fashion:
ToolTip %A_ScriptName%`nReceived the following string:`n%CopyOfData%
return true ; Returning 1 (true) is the traditional way to acknowledge this message.
}
; Save the following script as "Sender.ahk" then launch it. After that, press the Win+Space hotkey.
TargetScriptTitle = Receiver.ahk ahk_class AutoHotkey
#space:: ; Win+Space hotkey. Press it to show an InputBox for entry of a message string.
InputBox, StringToSend, Send text via WM_COPYDATA, Enter some text to Send:
if ErrorLevel ; User pressed the Cancel button.
return
result := Send_WM_COPYDATA(StringToSend, TargetScriptTitle)
if result = FAIL
MsgBox SendMessage failed. Does the following WinTitle exist?:`n%TargetScriptTitle%
else if result = 0
MsgBox Message sent but the target window responded with 0, which may mean it ignored it.
return
Send_WM_COPYDATA(ByRef StringToSend, ByRef TargetScriptTitle) ; ByRef saves a little memory in this case.
; This function sends the specified string to the specified window and returns the reply.
; The reply is 1 if the target window processed the message, or 0 if it ignored it.
{
VarSetCapacity(CopyDataStruct, 3*A_PtrSize, 0) ; Set up the structure's memory area.
; First set the structure's cbData member to the size of the string, including its zero terminator:
SizeInBytes := (StrLen(StringToSend) + 1) * (A_IsUnicode ? 2 : 1)
NumPut(SizeInBytes, CopyDataStruct, A_PtrSize) ; OS requires that this be done.
NumPut(&StringToSend, CopyDataStruct, 2*A_PtrSize) ; Set lpData to point to the string itself.
Prev_DetectHiddenWindows := A_DetectHiddenWindows
Prev_TitleMatchMode := A_TitleMatchMode
DetectHiddenWindows On
SetTitleMatchMode 2
SendMessage, 0x4a, 0, &CopyDataStruct,, %TargetScriptTitle% ; 0x4a is WM_COPYDATA. Must use Send not Post.
DetectHiddenWindows %Prev_DetectHiddenWindows% ; Restore original setting for the caller.
SetTitleMatchMode %Prev_TitleMatchMode% ; Same.
return ErrorLevel ; Return SendMessage's reply back to our caller.
}
Well, I'm not sure why you'd want to make one script run another one... but here are a few other methods:
Include a script in another one
but, you know you can include a script inside another one, right? That is, you can use another scripts functions in your main script.
Make sure a particular script is loaded
"I got many scripts" too. Sometimes I need to make sure that a particular one is included before I can use it, so I put this at the top:
;make sure core.ahk is loaded since it is required
#include c:\ahk\core.ahk
And you don't have to worry about it getting included more than once (unless you need it) because:
#Include ensures that FileName is included only once, even if multiple inclusions are encountered for it. By contrast, #IncludeAgain allows
multiple inclusions of the same file, while being the same as #Include
in all other respects.
Now, when I include file.ahk in main.ahk, I am assured of no problems using the functions from core.ahk that file.ahk requires. And even if I include core.ahk again in main.ahk it is no worry (unless it contains subroutines instead of just functions - in which case they get run at the point where they were included, so it's best not to put subroutines in your ahk libraries).
Use good ole' RUN on Scripts
Aside from that, you know you can always use the run command to launch an ahk script. You don't have to do all that fancy WM_SENDMESSAGE stuff.
Communicate betweenst scripts using a hidden GUI
Another way for two scripts to communicate between each other is for script #1 to keep open a hidden GUI window that has an edit box and a submit button. This window will never be shown. Now, Script #2 hunts for that message box, uses send to put a string in the edit box, and then control-click to push the submit button. Now script #1 has just received input from script #2. And you don't even have to hunt for the window if you put the windows hwnd value in both scripts (so they already know it ahead of time). This works like a charm.
Tell if a script has completed
If you use ahk's run command, there is an parameter that will give you back the PID of that process (PID = Process ID). You can use this PID to check to see if the script is running, and you can use it to terminate the process.
Also, if you use runwait - the script using that command will pause and wait for the runn-ed process to complete and close before continuing.
theoretically you could also use a file object between the scripts as a sort of stdin/stdout method as when opening a file with the file object you can set it as shared.
You could also set an environment variable and pass the name of the variable to the script ,given that you have setup argument handling in the target script, which then sets the environment variable value on closing. using RunWait and this you could find out what the return result of the script is after it runs.
Lastly, look into using a function as that is probably the "best practice" for what you are trying to do. Since a function can do anything a script can do and you can pass it an array to operate on or with using ByRef on the array param. This would mean that you don't have to write in a bunch of parameters when writing the function and the variables would release memory once the function is complete, automatically. You can even write your functions in a separate file and use #Include to use them in your script.