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Initial infrastructure for keyboard focus and events.
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83 changes: 83 additions & 0 deletions
83
....jsycamore.api/src/main/java/com/io7m/jsycamore/api/keyboard/SyKeyboardFocusBehavior.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| /* | ||
| * Copyright © 2023 Mark Raynsford <code@io7m.com> https://www.io7m.com | ||
| * | ||
| * Permission to use, copy, modify, and/or distribute this software for any | ||
| * purpose with or without fee is hereby granted, provided that the above | ||
| * copyright notice and this permission notice appear in all copies. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | ||
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | ||
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY | ||
| * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | ||
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | ||
| * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR | ||
| * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | ||
| */ | ||
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| package com.io7m.jsycamore.api.keyboard; | ||
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| /** | ||
| * A specification of how keyboard focus may traverse a component. | ||
| */ | ||
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| public enum SyKeyboardFocusBehavior | ||
| { | ||
| /** | ||
| * The component can directly receive focus, and will pass focus to its | ||
| * children if the focus traversal is continued. | ||
| */ | ||
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| RECEIVES_FOCUS_AND_CONTINUES_TRAVERSAL, | ||
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| /** | ||
| * The component can directly receive focus, but will not pass focus to its | ||
| * children if the focus traversal is continued. | ||
| */ | ||
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| RECEIVES_FOCUS_AND_STOPS_TRAVERSAL, | ||
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| /** | ||
| * The component cannot directly receive focus, but will pass focus to its | ||
| * children if the focus traversal is continued. | ||
| */ | ||
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| IGNORES_FOCUS_AND_CONTINUES_TRAVERSAL, | ||
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| /** | ||
| * The component cannot directly receive focus, and will not pass focus to its | ||
| * children if the focus traversal is continued. | ||
| */ | ||
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| IGNORES_FOCUS_AND_STOPS_TRAVERSAL; | ||
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| /** | ||
| * @return {@code true} if this behavior implies that a component will | ||
| * receive focus | ||
| */ | ||
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| public boolean receivesFocus() | ||
| { | ||
| return switch (this) { | ||
| case RECEIVES_FOCUS_AND_CONTINUES_TRAVERSAL -> true; | ||
| case RECEIVES_FOCUS_AND_STOPS_TRAVERSAL -> true; | ||
| case IGNORES_FOCUS_AND_CONTINUES_TRAVERSAL -> false; | ||
| case IGNORES_FOCUS_AND_STOPS_TRAVERSAL -> false; | ||
| }; | ||
| } | ||
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| /** | ||
| * @return {@code true} if this behavior implies that a component will pass | ||
| * focus to its children | ||
| */ | ||
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| public boolean continuesFocusTraversal() | ||
| { | ||
| return switch (this) { | ||
| case RECEIVES_FOCUS_AND_CONTINUES_TRAVERSAL -> true; | ||
| case RECEIVES_FOCUS_AND_STOPS_TRAVERSAL -> false; | ||
| case IGNORES_FOCUS_AND_CONTINUES_TRAVERSAL -> true; | ||
| case IGNORES_FOCUS_AND_STOPS_TRAVERSAL -> false; | ||
| }; | ||
| } | ||
| } |
33 changes: 33 additions & 0 deletions
33
...re.api/src/main/java/com/io7m/jsycamore/api/keyboard/SyKeyboardFocusableReadableType.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| /* | ||
| * Copyright © 2023 Mark Raynsford <code@io7m.com> https://www.io7m.com | ||
| * | ||
| * Permission to use, copy, modify, and/or distribute this software for any | ||
| * purpose with or without fee is hereby granted, provided that the above | ||
| * copyright notice and this permission notice appear in all copies. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | ||
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | ||
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY | ||
| * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | ||
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | ||
| * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR | ||
| * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | ||
| */ | ||
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| package com.io7m.jsycamore.api.keyboard; | ||
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| import com.io7m.jattribute.core.AttributeReadableType; | ||
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| /** | ||
| * The readable interface to objects that involve keyboard focus. | ||
| */ | ||
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| public interface SyKeyboardFocusableReadableType | ||
| { | ||
| /** | ||
| * @return The keyboard focus behavior | ||
| */ | ||
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| AttributeReadableType<SyKeyboardFocusBehavior> keyboardFocusBehavior(); | ||
| } |
31 changes: 31 additions & 0 deletions
31
....jsycamore.api/src/main/java/com/io7m/jsycamore/api/keyboard/SyKeyboardFocusableType.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| /* | ||
| * Copyright © 2023 Mark Raynsford <code@io7m.com> https://www.io7m.com | ||
| * | ||
| * Permission to use, copy, modify, and/or distribute this software for any | ||
| * purpose with or without fee is hereby granted, provided that the above | ||
| * copyright notice and this permission notice appear in all copies. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | ||
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | ||
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY | ||
| * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | ||
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | ||
| * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR | ||
| * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | ||
| */ | ||
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| package com.io7m.jsycamore.api.keyboard; | ||
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| import com.io7m.jattribute.core.AttributeType; | ||
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| /** | ||
| * The interface to objects that involve keyboard focus. | ||
| */ | ||
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| public interface SyKeyboardFocusableType | ||
| extends SyKeyboardFocusableReadableType | ||
| { | ||
| @Override | ||
| AttributeType<SyKeyboardFocusBehavior> keyboardFocusBehavior(); | ||
| } |
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