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("Main_KeyPressed", "javafx.scene.input.KeyEvent.KEY_PRESSED") r.AddEventHandler("Main_KeyPressed", "javafx.scene.input.KeyEvent.KEY_RELEASED") End Sub Private...
link: Behnam_Tr, thanks very much! This example now allows me to correct and improve my understanding of h...
link: in b4j : use codes in mainform tested and works ....
link: : AddKeyPressedListener(MainForm) in: AddKeyPressedListener(B4XPages.GetPage("B4XMainPage")) How to...

Hi, I'd like to manage the key event in a B4XPage but I don't know how. It seems that forum return only result for B4A or for B4J using form. Any hint? Thanks!...
link: = Root r.AddEventFilter("keypressed", "javafx.scene.input.KeyEvent.ANY") End...
link: I'm interested to both of them. At present, I'd like to use "UP" and "DOWN&q...
link: Can I use this to select a control? For instance, can I use NUMPAD1 to select radiobutton1? I'...

("Drawpane_KeyPressed", "javafx.scene.input.KeyEvent.ANY") ... Sub Drawpane_KeyPressed_Event(e As Event) Dim KE As Reflector KE.Target = e e.Consume 'kill it fast...
link: Found a solution... We thought that targetting Drawpane (scrollpane in general) was the right... gu...
link: You could use CTRL+key combinations... as said my friend aeric... but thought that arrows keys...
link: You could use CTRL+key combinations......

Hi Please Help When i use B4xPage, i can not set the MainForm on gvh.AddKeyListener("keylistener", MainForm) Can anybody know how to set it Tks...
link: This is exactly what I needed!!!! Many thanks Bdunlkeusmith I go back to my code :)...
link: I use the GameViewHelper library with the following code to capture a press of the F1 key to...
link: (textfields, etc..) Is there a way to trap key_event like sub mainform_keypress_event or anything...

Is there any mechanism for monitoring keypress events to prohibit certain characters being type?...
link: The game view library allows you to intercept key strokes: https://www.b4x.com/android/forum...

Answered myself. I replaced AddEventHandler with AddEventFilter and now everything works as expected. New rutine now named KeyDown_Filter instead of KeyDown_Event...
link: .AddEventHandler("KeyDown", "javafx.scene.input.KeyEvent.KEY_PRESSED") Sub...

Use KEY_PRESSED instead, KEY_TYPED can only handle normal keys that can be printed. Yep, that did it, we're all set, thanks Daestrum....
link: It is the KeyEvent.ANY that is causing this, it is being triggered on KEY_PRESSED and KEY_RELEASED...
link: Use KEY_PRESSED instead, KEY_TYPED can only handle normal keys that can be printed....

This code allows the user to close the dialog with 'escape' or one of the following keys: Y, N or C. It depends on agraham's jReflection library. Sub AddKeyPressedListener Dim r As Reflector r.Target = MainForm.RootPane r.AddEventHandler("keypressed", "javafx.scene.input.KeyEvent.KEY_PRESSED") End Sub Sub KeyPressed_Event (e As Event) If Dialog...(xui.DialogResponse_Negative) End If End If End Sub You need to call AddKeyPressedListener...

If you want to trap keyboard input events before they are propagated to their "owner" application, take a look at the jNativeHookB4J library. However, I think this is a kludgey solution to your problem. I think you should just copy your pattern from the Decimaltxtfld example. Implement...
link: Just go over all the characters in the string. It will take less than 1ms. For i = 0 To Binarytxtfld.Text.Length - 1 Dim c As Char ...
link: , but I believe that the only solution would be to determine which field is being typed to, setting an event...

Buttons are created dynamically, the single shared event. And key pressing are caught. Private Sub butVar_Click Dim b As B4XView = Sender ... Private Sub KeyPressed_Event(e As Event) Dim KE As Reflector KE.Target = e 'e is a KeyEvent instance Dim KeyCode As String = KE...
link: r.AddEventHandler("btn_KeyPressed", "javafx.scene.input.KeyEvent.KEY_PRESSED...
link: Private Sub btn_KeyPressed_Event(e As Event) Dim b As Button=Sender Log(b.Tag) No, here...