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The original document is at https://wiki.mozilla.org/AccessibleCaret. I rewrite the in-tree version a bit, and will point the wiki version to the in-tree version after this patch lands. Differential Revision: https://phabricator.services.mozilla.com/D70477 --HG-- rename : layout/base/doc/AccessibleCaretEventHubStates.dot => layout/docs/AccessibleCaretEventHubStates.dot rename : layout/base/doc/AccessibleCaretEventHubStates.png => layout/docs/AccessibleCaretEventHubStates.png extra : moz-landing-system : lando
38 lines
1.4 KiB
Plaintext
38 lines
1.4 KiB
Plaintext
// Steps to generate AccessibleCaretEventHubStates.png
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// 1. Install Graphviz
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// 2. dot -T png -o AccessibleCaretEventHubStates.png AccessibleCaretEventHubStates.dot
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//
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// Note: If the edge has 'constraint=false', it is not used in ranking the
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// nodes. http://www.graphviz.org/doc/info/attrs.html#d:constraint
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digraph event_hub_states {
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node [style=filled];
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edge [color="gray30", fontcolor="gray20", fontsize=12]
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NoAction [label="NoAction\n(Initial)"color="#96FF2F"];
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NoAction -> PressCaret [label="Press & on a caret"];
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NoAction -> PressNoCaret [label="Press & not on a caret"];
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NoAction -> Scroll [label="Scroll start"];
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PressCaret [color="#84D8FF"];
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PressCaret -> DragCaret [label="Move & distance is large"];
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PressCaret -> NoAction [label="Release (synthesizing a tap)"];
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DragCaret [color="#84D8FF"];
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DragCaret -> DragCaret [label="Move"];
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DragCaret -> NoAction [label="Release"];
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PressNoCaret [color="#E8C516"];
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PressNoCaret -> NoAction [label="Move & distance is large or\nRelease or\nBlur"];
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PressNoCaret -> LongTap [label="Long tap"];
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PressNoCaret -> Scroll [label="Scroll start", constraint=false];
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LongTap [color="#E8C516"]
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LongTap -> NoAction [label="Release"];
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LongTap -> Scroll [label="Scroll start", constraint=false];
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Scroll [color="#FF9022"]
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Scroll -> NoAction [label="Scroll end"];
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Scroll -> NoAction [label="Blur"];
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}
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