import { CharMeasure } from './utils/CharMeasure';
import { CircularList } from './utils/CircularList';
import { EventEmitter } from './EventEmitter';
-import { ITerminal } from './Interfaces';
+import { ITerminal, ICircularList } from './Interfaces';
import { SelectionModel } from './SelectionModel';
+import { translateBufferLineToString } from './utils/BufferLine';
/**
* The number of pixels the mouse needs to be above or below the viewport in
*/
const DRAG_SCROLL_INTERVAL = 50;
-/**
- * The amount of time before mousedown events are no longer stacked to create
- * double/triple click events.
- */
-const CLEAR_MOUSE_DOWN_TIME = 400;
-
-/**
- * The number of pixels in each direction that the mouse must move before
- * mousedown events are no longer stacked to create double/triple click events.
- */
-const CLEAR_MOUSE_DISTANCE = 10;
-
/**
* A string containing all characters that are considered word separated by the
* double click to select work logic.
constructor(
private _terminal: ITerminal,
- private _buffer: CircularList<any>,
+ private _buffer: ICircularList<[number, string, number][]>,
private _rowContainer: HTMLElement,
private _charMeasure: CharMeasure
) {
* switched in or out.
* @param buffer The active buffer.
*/
- public setBuffer(buffer: CircularList<any>): void {
+ public setBuffer(buffer: ICircularList<[number, string, number][]>): void {
this._buffer = buffer;
this.clearSelection();
}
+ public get selectionStart(): [number, number] { return this._model.finalSelectionStart; }
+ public get selectionEnd(): [number, number] { return this._model.finalSelectionEnd; }
+
/**
* Gets whether there is an active text selection.
*/
// Get first row
const startRowEndCol = start[1] === end[1] ? end[0] : null;
let result: string[] = [];
- result.push(this._translateBufferLineToString(this._buffer.get(start[1]), true, start[0], startRowEndCol));
+ result.push(translateBufferLineToString(this._buffer.get(start[1]), true, start[0], startRowEndCol));
// Get middle rows
for (let i = start[1] + 1; i <= end[1] - 1; i++) {
const bufferLine = this._buffer.get(i);
- const lineText = this._translateBufferLineToString(bufferLine, true);
- if (bufferLine.isWrapped) {
+ const lineText = translateBufferLineToString(bufferLine, true);
+ if ((<any>bufferLine).isWrapped) {
result[result.length - 1] += lineText;
} else {
result.push(lineText);
// Get final row
if (start[1] !== end[1]) {
const bufferLine = this._buffer.get(end[1]);
- const lineText = this._translateBufferLineToString(bufferLine, true, 0, end[0]);
- if (bufferLine.isWrapped) {
+ const lineText = translateBufferLineToString(bufferLine, true, 0, end[0]);
+ if ((<any>bufferLine).isWrapped) {
result[result.length - 1] += lineText;
} else {
result.push(lineText);
this.refresh();
}
- /**
- * Translates a buffer line to a string, with optional start and end columns.
- * Wide characters will count as two columns in the resulting string. This
- * function is useful for getting the actual text underneath the raw selection
- * position.
- * @param line The line being translated.
- * @param trimRight Whether to trim whitespace to the right.
- * @param startCol The column to start at.
- * @param endCol The column to end at.
- */
- private _translateBufferLineToString(line: any, trimRight: boolean, startCol: number = 0, endCol: number = null): string {
- // TODO: This function should live in a buffer or buffer line class
-
- // Get full line
- let lineString = '';
- let widthAdjustedStartCol = startCol;
- let widthAdjustedEndCol = endCol;
- for (let i = 0; i < line.length; i++) {
- const char = line[i];
- lineString += char[LINE_DATA_CHAR_INDEX];
- // Adjust start and end cols for wide characters if they affect their
- // column indexes
- if (char[LINE_DATA_WIDTH_INDEX] === 0) {
- if (startCol >= i) {
- widthAdjustedStartCol--;
- }
- if (endCol >= i) {
- widthAdjustedEndCol--;
- }
- }
- }
-
- // Calculate the final end col by trimming whitespace on the right of the
- // line if needed.
- let finalEndCol = widthAdjustedEndCol || line.length;
- if (trimRight) {
- const rightWhitespaceIndex = lineString.search(/\s+$/);
- if (rightWhitespaceIndex !== -1) {
- finalEndCol = Math.min(finalEndCol, rightWhitespaceIndex);
- }
- // Return the empty string if only trimmed whitespace is selected
- if (finalEndCol <= widthAdjustedStartCol) {
- return '';
- }
- }
-
- return lineString.substring(widthAdjustedStartCol, finalEndCol);
- }
-
/**
* Queues a refresh, redrawing the selection on the next opportunity.
* @param isNewSelection Whether the selection should be registered as a new
*/
private _getMouseBufferCoords(event: MouseEvent): [number, number] {
const coords = Mouse.getCoords(event, this._rowContainer, this._charMeasure, this._terminal.cols, this._terminal.rows, true);
+ if (!coords) {
+ return null;
+ }
+
// Convert to 0-based
coords[0]--;
coords[1]--;
// Convert viewport coords to buffer coords
- coords[1] += this._terminal.ydisp;
+ coords[1] += this._terminal.buffer.ydisp;
return coords;
}
this._model.selectionStartLength = 0;
this._model.isSelectAllActive = false;
this._activeSelectionMode = SelectionMode.NORMAL;
+
+ // Initialize the new selection
this._model.selectionStart = this._getMouseBufferCoords(event);
- if (this._model.selectionStart) {
- this._model.selectionEnd = null;
- // If the mouse is over the second half of a wide character, adjust the
- // selection to cover the whole character
- const char = this._buffer.get(this._model.selectionStart[1])[this._model.selectionStart[0]];
- if (char[LINE_DATA_WIDTH_INDEX] === 0) {
- this._model.selectionStart[0]++;
- }
+ if (!this._model.selectionStart) {
+ return;
+ }
+ this._model.selectionEnd = null;
+
+ // Ensure the line exists
+ const line = this._buffer.get(this._model.selectionStart[1]);
+ if (!line) {
+ return;
+ }
+
+ // If the mouse is over the second half of a wide character, adjust the
+ // selection to cover the whole character
+ const char = line[this._model.selectionStart[0]];
+ if (char[LINE_DATA_WIDTH_INDEX] === 0) {
+ this._model.selectionStart[0]++;
}
}
// Set the initial selection end based on the mouse coordinates
this._model.selectionEnd = this._getMouseBufferCoords(event);
+ if (!this._model.selectionEnd) {
+ this.refresh(true);
+ return;
+ }
// Select the entire line if line select mode is active.
if (this._activeSelectionMode === SelectionMode.LINE) {
this._terminal.scrollDisp(this._dragScrollAmount, false);
// Re-evaluate selection
if (this._dragScrollAmount > 0) {
- this._model.selectionEnd = [this._terminal.cols - 1, this._terminal.ydisp + this._terminal.rows];
+ this._model.selectionEnd = [this._terminal.cols - 1, this._terminal.buffer.ydisp + this._terminal.rows];
} else {
- this._model.selectionEnd = [0, this._terminal.ydisp];
+ this._model.selectionEnd = [0, this._terminal.buffer.ydisp];
}
this.refresh();
}
return charIndex;
}
+ public setSelection(col: number, row: number, length: number): void {
+ this._model.clearSelection();
+ this._removeMouseDownListeners();
+ this._model.selectionStart = [col, row];
+ this._model.selectionStartLength = length;
+ this.refresh();
+ }
+
/**
* Gets positional information for the word at the coordinated specified.
* @param coords The coordinates to get the word at.
*/
private _getWordAt(coords: [number, number]): IWordPosition {
const bufferLine = this._buffer.get(coords[1]);
- const line = this._translateBufferLineToString(bufferLine, false);
+ if (!bufferLine) {
+ return null;
+ }
+
+ const line = translateBufferLineToString(bufferLine, false);
// Get actual index, taking into consideration wide characters
let endIndex = this._convertViewportColToCharacterIndex(bufferLine, coords);
*/
protected _selectWordAt(coords: [number, number]): void {
const wordPosition = this._getWordAt(coords);
- this._model.selectionStart = [wordPosition.start, coords[1]];
- this._model.selectionStartLength = wordPosition.length;
+ if (wordPosition) {
+ this._model.selectionStart = [wordPosition.start, coords[1]];
+ this._model.selectionStartLength = wordPosition.length;
+ }
}
/**
*/
private _selectToWordAt(coords: [number, number]): void {
const wordPosition = this._getWordAt(coords);
- this._model.selectionEnd = [this._model.areSelectionValuesReversed() ? wordPosition.start : (wordPosition.start + wordPosition.length), coords[1]];
+ if (wordPosition) {
+ this._model.selectionEnd = [this._model.areSelectionValuesReversed() ? wordPosition.start : (wordPosition.start + wordPosition.length), coords[1]];
+ }
}
/**