Accelerators - odd behavior
Stephen F Northover
steve.x.northover at oracle.com
Fri Sep 26 17:42:55 UTC 2014
Agree. Suggest that we move the discussion to the JIRA to capture the
background information for whoever will address the bug.
Steve
On 2014-09-26, 1:41 PM, Kevin Rushforth wrote:
> It may or may not be a bug, but it will be good to investigate.
>
> -- Kevin
>
>
> Stephen F Northover wrote:
>> Two on Windows, one on Mac. See
>> https://javafx-jira.kenai.com/browse/RT-38830
>>
>> Steve
>>
>> On 2014-09-26, 1:25 PM, Stephen F Northover wrote:
>>> This is on Mac. Will try Windows.
>>>
>>> Steve
>>>
>>> On 2014-09-26, 1:24 PM, Kevin Rushforth wrote:
>>>> Is this on a Mac or on Windows? I just ran your test case and I
>>>> get two runnables, which is what I would expect.
>>>>
>>>> -- Kevin
>>>>
>>>>
>>>> Stephen F Northover wrote:
>>>>> I am only seeing the runnable fired once in FX 8u40.
>>>>>
>>>>> Steve
>>>>>
>>>>> Steps:
>>>>>
>>>>> 1) Run TestKeyCombination
>>>>> 2) Press Control+-
>>>>>
>>>>> Here is the test code:
>>>>>
>>>>> import javafx.application.Application;
>>>>> import javafx.scene.Group;
>>>>> import javafx.scene.Scene;
>>>>> import javafx.scene.control.Button;
>>>>> import javafx.scene.input.KeyCharacterCombination;
>>>>> import javafx.scene.input.KeyCode;
>>>>> import javafx.scene.input.KeyCodeCombination;
>>>>> import javafx.scene.input.KeyCombination;
>>>>> import javafx.stage.Stage;
>>>>>
>>>>> public class TestKeyCombination extends Application {
>>>>> public static void main(String[] args) {
>>>>> Application.launch(args);
>>>>> }
>>>>>
>>>>> @Override public void start(Stage stage) {
>>>>> stage.setTitle("Test KeyCombination");
>>>>> Scene scene = new Scene(new Group(), 600, 450);
>>>>> Button button1 = new Button();
>>>>> button1.setText("Click Me");
>>>>> stage.setScene(scene);
>>>>> stage.show();
>>>>>
>>>>> KeyCombination cmdMinus = new
>>>>> KeyCodeCombination(KeyCode.MINUS, KeyCombination.CONTROL_DOWN);
>>>>> KeyCombination cmdMinusFromCharacter = new
>>>>> KeyCharacterCombination("-", KeyCombination.CONTROL_DOWN);
>>>>> Runnable runnable = () -> System.out.println("HI");
>>>>> scene.getAccelerators().put(cmdMinus, runnable);
>>>>> scene.getAccelerators().put(cmdMinusFromCharacter, runnable);
>>>>> }
>>>>> }
>>>>>
>>>>>
>>>>> On 2014-09-26, 1:01 PM, Scott Palmer wrote:
>>>>>> KeyCombination cmdMinus = new Key*Code*Combination(KeyCode.MINUS,
>>>>>> KeyCombination.CONTROL_DOWN);
>>>>>> KeyCombination cmdMinusFromCharacter = new
>>>>>> Key*Character*Combination("-",
>>>>>> KeyCombination.CONTROL_DOWN);
>>>>>>
>>>>>> Using the above like this:
>>>>>> scene.getAccelerators().put(cmdMinus, runnable);
>>>>>> scene.getAccelerators().put(cmdMinusFromCharacter, runnable);
>>>>>>
>>>>>> Will result in the runnable being fired twice from the same
>>>>>> keypress.
>>>>>>
>>>>>> I propose changing the accelerator processing logic so that only one
>>>>>> runnable gets called as the intention appears to be that a
>>>>>> KeyCombination
>>>>>> can only have one runnable associated with it, but the logic in
>>>>>> Map doesn't
>>>>>> see the above two KeyCombinations as the same key in the Map.
>>>>>>
>>>>>> Note: With the second combination above I really wanted something
>>>>>> that
>>>>>> worked for both MINUS and SUBTRACT simultaneously - since they
>>>>>> both type
>>>>>> the same Character and only one accelerator can be set on a
>>>>>> MenuItem.
>>>>>>
>>>>>> Scott
>>>>>
>>>
>>
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