(cm, event, start, behavior)
| 7431 | |
| 7432 | // Normal selection, as opposed to text dragging. |
| 7433 | function leftButtonSelect(cm, event, start, behavior) { |
| 7434 | if (ie) { delayBlurEvent(cm); } |
| 7435 | var display = cm.display, doc = cm.doc; |
| 7436 | e_preventDefault(event); |
| 7437 | |
| 7438 | var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges; |
| 7439 | if (behavior.addNew && !behavior.extend) { |
| 7440 | ourIndex = doc.sel.contains(start); |
| 7441 | if (ourIndex > -1) |
| 7442 | { ourRange = ranges[ourIndex]; } |
| 7443 | else |
| 7444 | { ourRange = new Range(start, start); } |
| 7445 | } else { |
| 7446 | ourRange = doc.sel.primary(); |
| 7447 | ourIndex = doc.sel.primIndex; |
| 7448 | } |
| 7449 | |
| 7450 | if (behavior.unit == "rectangle") { |
| 7451 | if (!behavior.addNew) { ourRange = new Range(start, start); } |
| 7452 | start = posFromMouse(cm, event, true, true); |
| 7453 | ourIndex = -1; |
| 7454 | } else { |
| 7455 | var range = rangeForUnit(cm, start, behavior.unit); |
| 7456 | if (behavior.extend) |
| 7457 | { ourRange = extendRange(ourRange, range.anchor, range.head, behavior.extend); } |
| 7458 | else |
| 7459 | { ourRange = range; } |
| 7460 | } |
| 7461 | |
| 7462 | if (!behavior.addNew) { |
| 7463 | ourIndex = 0; |
| 7464 | setSelection(doc, new Selection([ourRange], 0), sel_mouse); |
| 7465 | startSel = doc.sel; |
| 7466 | } else if (ourIndex == -1) { |
| 7467 | ourIndex = ranges.length; |
| 7468 | setSelection(doc, normalizeSelection(cm, ranges.concat([ourRange]), ourIndex), |
| 7469 | {scroll: false, origin: "*mouse"}); |
| 7470 | } else if (ranges.length > 1 && ranges[ourIndex].empty() && behavior.unit == "char" && !behavior.extend) { |
| 7471 | setSelection(doc, normalizeSelection(cm, ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0), |
| 7472 | {scroll: false, origin: "*mouse"}); |
| 7473 | startSel = doc.sel; |
| 7474 | } else { |
| 7475 | replaceOneSelection(doc, ourIndex, ourRange, sel_mouse); |
| 7476 | } |
| 7477 | |
| 7478 | var lastPos = start; |
| 7479 | function extendTo(pos) { |
| 7480 | if (cmp(lastPos, pos) == 0) { return } |
| 7481 | lastPos = pos; |
| 7482 | |
| 7483 | if (behavior.unit == "rectangle") { |
| 7484 | var ranges = [], tabSize = cm.options.tabSize; |
| 7485 | var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize); |
| 7486 | var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize); |
| 7487 | var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol); |
| 7488 | for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line)); |
| 7489 | line <= end; line++) { |
| 7490 | var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize); |
no test coverage detected