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Merge pull request #1174 from matrix-org/luke/fix-rte-edge-detection

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Only move through history if caret at start or end of line
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Luke Barnard 2017-07-04 10:32:04 +01:00 committed by GitHub
commit d130411f6b
1 changed files with 4 additions and 5 deletions
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9
src/components/views/rooms/MessageComposerInput.js
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@ -640,17 +640,16 @@ export default class MessageComposerInput extends React.Component {
const firstBlock = this.state.editorState.getCurrentContent().getFirstBlock();
const lastBlock = this.state.editorState.getCurrentContent().getLastBlock();
const selectionOffset = selection.getAnchorOffset();
let canMoveUp = false;
let canMoveDown = false;
if (blockKey === firstBlock.getKey()) {
const textBeforeCursor = firstBlock.getText().slice(0, selectionOffset);
canMoveUp = textBeforeCursor.indexOf('\n') === -1;
canMoveUp = selection.getStartOffset() === selection.getEndOffset() &&
selection.getStartOffset() === 0;
}
if (blockKey === lastBlock.getKey()) {
const textAfterCursor = lastBlock.getText().slice(selectionOffset);
canMoveDown = textAfterCursor.indexOf('\n') === -1;
canMoveDown = selection.getStartOffset() === selection.getEndOffset() &&
selection.getStartOffset() === lastBlock.getText().length;
}
if ((up && !canMoveUp) || (!up && !canMoveDown)) return;