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Revert "Merge pull request #810 from pulsar-edit/fix-on-change-cursor-pos"

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This reverts commit 8c6bef4d07, reversing
changes made to 4dd32931dc.
This commit is contained in:
DeeDeeG 2024-06-25 15:04:47 -04:00
parent 63242307d7
commit 1112c72384
3 changed files with 93 additions and 266 deletions
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77
spec/text-editor-spec.js
View File

@ -353,7 +353,6 @@ describe('TextEditor', () => {
expect(editor.getCursorBufferPosition()).toEqual([1, 1]);
});
describe('listening to cursor movements', () => {
it('emits an event with the old position, new position, and the cursor that moved', () => {
const cursorCallback = jasmine.createSpy('cursor-changed-position');
const editorCallback = jasmine.createSpy(
@ -376,82 +375,6 @@ describe('TextEditor', () => {
expect(eventObject.newScreenPosition).toEqual([2, 4]);
expect(eventObject.cursor).toBe(editor.getLastCursor());
});
it('emits the event with textChanged: true if text was edited', () => {
let callbacks = []
let callback = evt => { callbacks.push(evt.textChanged) }
editor.getLastCursor().onDidChangePosition(callback);
editor.onDidChangeCursorPosition(callback);
editor.insertText('bar')
expect(callbacks).toEqual([true, true])
const cmds = [
'backspace',
'deleteToBeginningOfWord',
'deleteToBeginningOfSubword',
'deleteToPreviousWordBoundary',
'deleteToBeginningOfLine'
]
cmds.forEach(command => {
editor.setText("HelloWorld!")
editor.setCursorBufferPosition([0, 5])
callbacks = []
editor[command].bind(editor)();
expect(callbacks).toEqual([true, true], `on command ${command}`)
})
});
it('emits the event with textChanged: true if whole lines were changed', () => {
let callbacks = [];
let callback = evt => { callbacks.push(evt.textChanged) };
editor.getLastCursor().onDidChangePosition(callback);
editor.onDidChangeCursorPosition(callback);
editor.setText("HelloWorld!\nGoodbye, world");
editor.setCursorBufferPosition([0, 5]);
// TODO: Ideally, we want this event to not be called. Unfortunately,
// the world doesn't work like that - there's no way to delete a line
// without changing the current cursor position on TextBuffer.
callbacks = [];
editor.deleteLine();
// One for the change, and another to reposition the cursor
expect(callbacks).toEqual([true, true, false, false], "on command deleteLine")
editor.setText("HelloWorld!\nGoodbye, world");
editor.setCursorBufferPosition([0, 5]);
callbacks = [];
editor.joinLines();
// TODO: Again, not ideal. But still...
// One for moving to the line that will be deleted, one for the actual change
// and one to move to the "join position" between the lines
expect(callbacks).toEqual([false, false, true, true, false, false], "on command joinLines")
});
it("doesn't emit the event if you deleted something forward", () => {
let callbacks = []
let callback = evt => {
callbacks.push(evt.textChanged)
}
editor.getLastCursor().onDidChangePosition(callback);
editor.onDidChangeCursorPosition(callback);
const cmds = [
'delete',
'deleteToEndOfSubword',
'deleteToEndOfWord',
'deleteToEndOfLine',
'deleteToNextWordBoundary'
]
cmds.forEach(command => {
editor.setText("HelloWorld!")
editor.setCursorBufferPosition([0, 5])
callbacks = []
editor[command].bind(editor)();
expect(callbacks).toEqual([], `on command ${command}`)
})
});
});
});
describe('.setCursorScreenPosition(screenPosition)', () => {

48
src/cursor.js
View File

@ -300,25 +300,6 @@ module.exports = class Cursor extends Model {
const range = this.marker.getScreenRange();
if (moveToEndOfSelection && !range.isEmpty()) {
this.setScreenPosition(range.start);
} else {
const point = this.getPreviousColumnScreenPosition(
columnCount, { moveToEndOfSelection }
)
this.setScreenPosition(point, { clipDirection: 'backward' });
}
}
// Public: Retrieves the screen position of where the previous column starts.
// * `columnCount` (optional) {Number} number of columns to move (default: 1)
// * `options` (optional) {Object} with the following keys:
// * `moveToEndOfSelection` if true, move to the right of the selection if a
// selection exists.
//
// Returns a {Point}.
getPreviousColumnScreenPosition(columnCount = 1, { moveToEndOfSelection } = {}) {
const range = this.marker.getScreenRange();
if (moveToEndOfSelection && !range.isEmpty()) {
return range.start;
} else {
let { row, column } = this.getScreenPosition();
@ -329,7 +310,7 @@ module.exports = class Cursor extends Model {
}
column = column - columnCount;
return new Point( row, column )
this.setScreenPosition({ row, column }, { clipDirection: 'backward' });
}
}
@ -343,25 +324,6 @@ module.exports = class Cursor extends Model {
const range = this.marker.getScreenRange();
if (moveToEndOfSelection && !range.isEmpty()) {
this.setScreenPosition(range.end);
} else {
const point = this.getNextColumnScreenPosition(
columnCount, { moveToEndOfSelection }
)
this.setScreenPosition(point, { clipDirection: 'forward' });
}
}
// Public: Retrieves the screen position of where the next column starts.
// * `columnCount` (optional) {Number} number of columns to move (default: 1)
// * `options` (optional) {Object} with the following keys:
// * `moveToEndOfSelection` if true, move to the right of the selection if a
// selection exists.
//
// Returns a {Point}.
getNextColumnScreenPosition(columnCount = 1, { moveToEndOfSelection } = {}) {
const range = this.marker.getScreenRange();
if (moveToEndOfSelection && !range.isEmpty()) {
return range.end;
} else {
let { row, column } = this.getScreenPosition();
const maxLines = this.editor.getScreenLineCount();
@ -378,7 +340,7 @@ module.exports = class Cursor extends Model {
}
column = column + columnCount;
return new Point(row, column);
this.setScreenPosition({ row, column }, { clipDirection: 'forward' });
}
}
@ -606,7 +568,7 @@ module.exports = class Cursor extends Model {
// * `allowPrevious` A {Boolean} indicating whether the beginning of the
// previous word can be returned.
//
// Returns a {Point}.
// Returns a {Range}.
getBeginningOfCurrentWordBufferPosition(options = {}) {
const allowPrevious = options.allowPrevious !== false;
const position = this.getBufferPosition();
@ -667,7 +629,7 @@ module.exports = class Cursor extends Model {
// * `wordRegex` A {RegExp} indicating what constitutes a "word"
// (default: {::wordRegExp}).
//
// Returns a {Point}
// Returns a {Range}
getBeginningOfNextWordBufferPosition(options = {}) {
const currentBufferPosition = this.getBufferPosition();
const start = this.isInsideWord(options)
@ -712,8 +674,6 @@ module.exports = class Cursor extends Model {
// * `options` (optional) {Object}
// * `includeNewline` A {Boolean} which controls whether the Range should
// include the newline.
//
// Returns a {Range}.
getCurrentLineBufferRange(options) {
return this.editor.bufferRangeForBufferRow(this.getBufferRow(), options);
}

152
src/selection.js
View File

@ -593,12 +593,8 @@ module.exports = class Selection {
// * `bypassReadOnly` (optional) {Boolean} Must be `true` to modify text within a read-only editor. (default: false)
backspace(options = {}) {
if (!this.ensureWritable('backspace', options)) return;
const screenPosition = this.cursor.getPreviousColumnScreenPosition();
const bufferPosition = this.cursor.marker.layer.translateScreenPosition(
screenPosition, { clipDirection: 'backward' }
);
this._deleteToPreviousPoint(bufferPosition, options);
if (this.isEmpty()) this.selectLeft();
this.deleteSelectedText(options);
}
// Public: Removes the selection or, if nothing is selected, then all
@ -609,10 +605,8 @@ module.exports = class Selection {
// * `bypassReadOnly` (optional) {Boolean} Must be `true` to modify text within a read-only editor. (default: false)
deleteToPreviousWordBoundary(options = {}) {
if (!this.ensureWritable('deleteToPreviousWordBoundary', options)) return;
this._deleteToPreviousPoint(
this.cursor.getPreviousWordBoundaryBufferPosition(),
options
);
if (this.isEmpty()) this.selectToPreviousWordBoundary();
this.deleteSelectedText(options);
}
// Public: Removes the selection or, if nothing is selected, then all
@ -623,8 +617,8 @@ module.exports = class Selection {
// * `bypassReadOnly` (optional) {Boolean} Must be `true` to modify text within a read-only editor. (default: false)
deleteToNextWordBoundary(options = {}) {
if (!this.ensureWritable('deleteToNextWordBoundary', options)) return;
const position = this.cursor.getNextWordBoundaryBufferPosition();
this._deleteToNextPoint(position, options);
if (this.isEmpty()) this.selectToNextWordBoundary();
this.deleteSelectedText(options);
}
// Public: Removes from the start of the selection to the beginning of the
@ -634,10 +628,8 @@ module.exports = class Selection {
// * `bypassReadOnly` (optional) {Boolean} Must be `true` to modify text within a read-only editor. (default: false)
deleteToBeginningOfWord(options = {}) {
if (!this.ensureWritable('deleteToBeginningOfWord', options)) return;
this._deleteToPreviousPoint(
this.cursor.getBeginningOfCurrentWordBufferPosition(),
options
);
if (this.isEmpty()) this.selectToBeginningOfWord();
this.deleteSelectedText(options);
}
// Public: Removes from the beginning of the line which the selection begins on
@ -647,22 +639,12 @@ module.exports = class Selection {
// * `bypassReadOnly` (optional) {Boolean} Must be `true` to modify text within a read-only editor. (default: false)
deleteToBeginningOfLine(options = {}) {
if (!this.ensureWritable('deleteToBeginningOfLine', options)) return;
const startPoint = this.getBufferRange().start;
if (this.isEmpty() && this.cursor.isAtBeginningOfLine()) {
const lastCharPoint = this.cursor.marker.layer.translateScreenPosition(
this.cursor.getPreviousColumnScreenPosition()
);
const prevRange = new Range( startPoint, lastCharPoint );
this.editor.buffer.setTextInRange(
prevRange, '', pick(options, 'undo', 'normalizeLineEndings')
);
this.selectLeft();
} else {
const startOfLinePoint = new Point(this.cursor.getScreenRow(), 0);
const prevRange = new Range(startPoint, startOfLinePoint);
this.editor.buffer.setTextInRange(
prevRange, '', pick(options, 'undo', 'normalizeLineEndings')
);
this.selectToBeginningOfLine();
}
this.deleteSelectedText(options);
}
// Public: Removes the selection or the next character after the start of the
@ -672,11 +654,8 @@ module.exports = class Selection {
// * `bypassReadOnly` (optional) {Boolean} Must be `true` to modify text within a read-only editor. (default: false)
delete(options = {}) {
if (!this.ensureWritable('delete', options)) return;
const screenPosition = this.cursor.getNextColumnScreenPosition();
const bufferPosition = this.cursor.marker.layer.translateScreenPosition(
screenPosition, { clipDirection: 'forward' }
);
this._deleteToNextPoint(bufferPosition, options);
if (this.isEmpty()) this.selectRight();
this.deleteSelectedText(options);
}
// Public: If the selection is empty, removes all text from the cursor to the
@ -688,14 +667,14 @@ module.exports = class Selection {
// * `bypassReadOnly` (optional) {Boolean} Must be `true` to modify text within a read-only editor. (default: false)
deleteToEndOfLine(options = {}) {
if (!this.ensureWritable('deleteToEndOfLine', options)) return;
if (this.isEmpty() && this.cursor.isAtEndOfLine()) {
if (this.isEmpty()) {
if (this.cursor.isAtEndOfLine()) {
this.delete(options);
} else {
this._deleteToNextPoint(
new Point(this.cursor.getScreenRow(), Infinity),
options
);
return;
}
this.selectToEndOfLine();
}
this.deleteSelectedText(options);
}
// Public: Removes the selection or all characters from the start of the
@ -705,8 +684,8 @@ module.exports = class Selection {
// * `bypassReadOnly` (optional) {Boolean} Must be `true` to modify text within a read-only editor. (default: false)
deleteToEndOfWord(options = {}) {
if (!this.ensureWritable('deleteToEndOfWord', options)) return;
const position = this.cursor.getEndOfCurrentWordBufferPosition();
this._deleteToNextPoint(position, options);
if (this.isEmpty()) this.selectToEndOfWord();
this.deleteSelectedText(options);
}
// Public: Removes the selection or all characters from the start of the
@ -716,10 +695,8 @@ module.exports = class Selection {
// * `bypassReadOnly` (optional) {Boolean} Must be `true` to modify text within a read-only editor. (default: false)
deleteToBeginningOfSubword(options = {}) {
if (!this.ensureWritable('deleteToBeginningOfSubword', options)) return;
const position = this.cursor.getPreviousWordBoundaryBufferPosition({
wordRegex: this.cursor.subwordRegExp({ backwards: true })
});
this._deleteToPreviousPoint(position, options);
if (this.isEmpty()) this.selectToPreviousSubwordBoundary();
this.deleteSelectedText(options);
}
// Public: Removes the selection or all characters from the start of the
@ -729,10 +706,8 @@ module.exports = class Selection {
// * `bypassReadOnly` (optional) {Boolean} Must be `true` to modify text within a read-only editor. (default: false)
deleteToEndOfSubword(options = {}) {
if (!this.ensureWritable('deleteToEndOfSubword', options)) return;
const position = this.cursor.getNextWordBoundaryBufferPosition(
{ wordRegex: this.cursor.subwordRegExp() }
);
this._deleteToNextPoint(position, options);
if (this.isEmpty()) this.selectToNextSubwordBoundary();
this.deleteSelectedText(options);
}
// Public: Removes only the selected text.
@ -746,28 +721,6 @@ module.exports = class Selection {
if (this.cursor) this.cursor.setBufferPosition(bufferRange.start);
}
_deleteToPreviousPoint(point, options) {
if (this.isEmpty()) {
const prevRange = new Range(this.getBufferRange().start, point);
this.editor.buffer.setTextInRange(
prevRange, '', pick(options, 'undo', 'normalizeLineEndings')
);
} else {
this.deleteSelectedText(options);
}
}
_deleteToNextPoint(point, options) {
if (this.isEmpty()) {
const nextRange = new Range(point, this.getBufferRange().end);
this.editor.buffer.setTextInRange(
nextRange, '', pick(options, 'undo', 'normalizeLineEndings')
);
} else {
this.deleteSelectedText(options);
}
}
// Public: Removes the line at the beginning of the selection if the selection
// is empty unless the selection spans multiple lines in which case all lines
// are removed.
@ -777,7 +730,6 @@ module.exports = class Selection {
deleteLine(options = {}) {
if (!this.ensureWritable('deleteLine', options)) return;
const range = this.getBufferRange();
this.editor.transact(() => {
if (range.isEmpty()) {
const start = this.cursor.getScreenRow();
const range = this.editor.bufferRowsForScreenRows(start, start + 1);
@ -793,7 +745,6 @@ module.exports = class Selection {
end--;
this.editor.buffer.deleteRows(start, end);
}
})
this.cursor.setBufferPosition({
row: this.cursor.getBufferRow(),
column: range.start.column
@ -810,10 +761,9 @@ module.exports = class Selection {
joinLines(options = {}) {
if (!this.ensureWritable('joinLines', options)) return;
let joinMarker;
const buffer = this.editor.getBuffer();
const selectedRange = this.getBufferRange();
if (selectedRange.isEmpty()) {
if (selectedRange.start.row === buffer.getLastRow()) return;
if (selectedRange.start.row === this.editor.buffer.getLastRow()) return;
} else {
joinMarker = this.editor.markBufferRange(selectedRange, {
invalidate: 'never'
@ -821,51 +771,45 @@ module.exports = class Selection {
}
const rowCount = Math.max(1, selectedRange.getRowCount() - 1);
let cursorPositionAfterEdit = null;
buffer.transact(() => {
for (let i = 0; i < rowCount; i++) {
this.cursor.setBufferPosition([selectedRange.start.row]);
this.cursor.moveToEndOfLine();
// Remove trailing whitespace from the current line
const scanRange = this.cursor.getCurrentLineBufferRange();
let trailingWhitespaceRange = null;
this.editor.scanInBufferRange(/[ \t]+$/, scanRange, ({ range }) => {
buffer.setTextInRange(range, '');
trailingWhitespaceRange = range;
});
if (trailingWhitespaceRange) {
this.setBufferRange(trailingWhitespaceRange);
this.deleteSelectedText(options);
}
const currentRow = selectedRange.start.row;
const nextRow = currentRow + 1;
const haveNextLine = nextRow <= buffer.getLastRow();
const insertSpace =
nextRow <= this.editor.buffer.getLastRow() &&
this.editor.buffer.lineLengthForRow(nextRow) > 0 &&
this.editor.buffer.lineLengthForRow(currentRow) > 0;
if (insertSpace) this.insertText(' ', options);
this.cursor.moveToEndOfLine();
if(haveNextLine) {
// Remove leading whitespace from the line below
const nextLineRange = this.editor.bufferRangeForBufferRow(nextRow);
this.editor.scanInBufferRange(/^[ \t]+/, nextLineRange, ({ range }) => {
buffer.setTextInRange(range, '');
this.modifySelection(() => {
this.cursor.moveRight();
this.cursor.moveToFirstCharacterOfLine();
});
this.deleteSelectedText(options);
const nextLineIsntEmpty = buffer.lineLengthForRow(nextRow) > 0;
const insertSpace = nextLineIsntEmpty && buffer.lineLengthForRow(currentRow) > 0;
const endOfLine = new Point(currentRow, Infinity);
const startOfNextLine = new Point(nextRow, 0);
if(i === rowCount - 1) {
// We "trick" the editor into thinking we made a change to where
// the cursor was. Not ideal, but it fixes https://github.com/pulsar-edit/pulsar/issues/802
this.cursor.setBufferPosition(startOfNextLine);
if (insertSpace) this.cursor.moveLeft();
}
const removeRange = new Range(endOfLine, startOfNextLine);
cursorPositionAfterEdit =
buffer.setTextInRange(removeRange, insertSpace ? ' ' : '').end;
if(nextLineIsntEmpty) {
cursorPositionAfterEdit = cursorPositionAfterEdit.traverse([0, -1]);
}
}
}
});
if (joinMarker) {
const newSelectedRange = joinMarker.getBufferRange();
this.setBufferRange(newSelectedRange);
joinMarker.destroy();
} else if(cursorPositionAfterEdit) {
this.cursor.setBufferPosition(cursorPositionAfterEdit);
}
}