GUI component interaction: Difference between revisions
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m (added whitespace before the TOC, added a Task (bold) header, presented three bullet items in the task requirements instead of a long sentence, split other requirements into separate sentences.) |
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* pop up dialogs to query the user for further information |
* pop up dialogs to query the user for further information |
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;Task: |
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a form with three components to the user: |
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A numeric input field ("Value") and two buttons ("increment" and "random"). |
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::* a numeric input field ("Value") |
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::* a button ("increment") |
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::* a button ("random") |
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The field is initialized to zero. |
The field is initialized to zero. |
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The user may manually enter a new value into the field, |
The user may manually enter a new value into the field, |
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or increment its value with the "increment" button. |
or increment its value with the "increment" button. |
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Entering a non-numeric value should be either impossible, |
Entering a non-numeric value should be either impossible, |
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or issue an error message. |
or issue an error message. |
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and resets the field's value to a random value if the answer is "Yes". |
and resets the field's value to a random value if the answer is "Yes". |
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(This task may be regarded as an extension of the task [[Simple windowed application]]). |
(This task may be regarded as an extension of the task [[Simple windowed application]]).<br><br> |
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=={{header|Ada}}== |
=={{header|Ada}}== |
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