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5 | ** |
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38 | ****************************************************************************/ |
39 | |
40 | #include "qwidgetlinecontrol_p.h" |
41 | |
42 | #if QT_CONFIG(itemviews) |
43 | #include "qabstractitemview.h" |
44 | #endif |
45 | #include "qclipboard.h" |
46 | #include <private/qguiapplication_p.h> |
47 | #if QT_CONFIG(completer) |
48 | #include <private/qcompleter_p.h> |
49 | #endif |
50 | #include <qpa/qplatformtheme.h> |
51 | #include <qstylehints.h> |
52 | #ifndef QT_NO_ACCESSIBILITY |
53 | #include "qaccessible.h" |
54 | #endif |
55 | |
56 | #include "qapplication.h" |
57 | #include "private/qapplication_p.h" |
58 | #if QT_CONFIG(graphicsview) |
59 | #include "qgraphicssceneevent.h" |
60 | #endif |
61 | |
62 | #include "qvalidator.h" |
63 | |
64 | QT_BEGIN_NAMESPACE |
65 | |
66 | |
67 | /*! |
68 | \internal |
69 | |
70 | Updates the internal text layout. Returns the ascent of the |
71 | created QTextLine. |
72 | */ |
73 | int QWidgetLineControl::redoTextLayout() const |
74 | { |
75 | m_textLayout.clearLayout(); |
76 | |
77 | m_textLayout.beginLayout(); |
78 | QTextLine l = m_textLayout.createLine(); |
79 | m_textLayout.endLayout(); |
80 | |
81 | return qRound(d: l.ascent()); |
82 | } |
83 | |
84 | /*! |
85 | \internal |
86 | |
87 | Updates the display text based of the current edit text |
88 | If the text has changed will emit displayTextChanged() |
89 | */ |
90 | void QWidgetLineControl::updateDisplayText(bool forceUpdate) |
91 | { |
92 | QString orig = m_textLayout.text(); |
93 | QString str; |
94 | if (m_echoMode == QLineEdit::NoEcho) |
95 | str = QString::fromLatin1(str: "" ); |
96 | else |
97 | str = m_text; |
98 | |
99 | if (m_echoMode == QLineEdit::Password) { |
100 | str.fill(c: m_passwordCharacter); |
101 | if (m_passwordEchoTimer != 0 && m_cursor > 0 && m_cursor <= m_text.length()) { |
102 | int cursor = m_cursor - 1; |
103 | QChar uc = m_text.at(i: cursor); |
104 | str[cursor] = uc; |
105 | if (cursor > 0 && uc.isLowSurrogate()) { |
106 | // second half of a surrogate, check if we have the first half as well, |
107 | // if yes restore both at once |
108 | uc = m_text.at(i: cursor - 1); |
109 | if (uc.isHighSurrogate()) |
110 | str[cursor - 1] = uc; |
111 | } |
112 | } |
113 | } else if (m_echoMode == QLineEdit::PasswordEchoOnEdit && !m_passwordEchoEditing) { |
114 | str.fill(c: m_passwordCharacter); |
115 | } |
116 | |
117 | // replace certain non-printable characters with spaces (to avoid |
118 | // drawing boxes when using fonts that don't have glyphs for such |
119 | // characters) |
120 | QChar* uc = str.data(); |
121 | for (int i = 0; i < (int)str.length(); ++i) { |
122 | if ((uc[i].unicode() < 0x20 && uc[i].unicode() != 0x09) |
123 | || uc[i] == QChar::LineSeparator |
124 | || uc[i] == QChar::ParagraphSeparator |
125 | || uc[i] == QChar::ObjectReplacementCharacter) |
126 | uc[i] = QChar(0x0020); |
127 | } |
128 | |
129 | m_textLayout.setText(str); |
130 | |
131 | QTextOption option = m_textLayout.textOption(); |
132 | option.setTextDirection(m_layoutDirection); |
133 | option.setFlags(QTextOption::IncludeTrailingSpaces); |
134 | m_textLayout.setTextOption(option); |
135 | |
136 | m_ascent = redoTextLayout(); |
137 | |
138 | if (str != orig || forceUpdate) |
139 | emit displayTextChanged(str); |
140 | } |
141 | |
142 | #ifndef QT_NO_CLIPBOARD |
143 | /*! |
144 | \internal |
145 | |
146 | Copies the currently selected text into the clipboard using the given |
147 | \a mode. |
148 | |
149 | \note If the echo mode is set to a mode other than Normal then copy |
150 | will not work. This is to prevent using copy as a method of bypassing |
151 | password features of the line control. |
152 | */ |
153 | void QWidgetLineControl::copy(QClipboard::Mode mode) const |
154 | { |
155 | QString t = selectedText(); |
156 | if (!t.isEmpty() && m_echoMode == QLineEdit::Normal) { |
157 | QGuiApplication::clipboard()->setText(t, mode); |
158 | } |
159 | } |
160 | |
161 | /*! |
162 | \internal |
163 | |
164 | Inserts the text stored in the application clipboard into the line |
165 | control. |
166 | |
167 | \sa insert() |
168 | */ |
169 | void QWidgetLineControl::paste(QClipboard::Mode clipboardMode) |
170 | { |
171 | QString clip = QGuiApplication::clipboard()->text(mode: clipboardMode); |
172 | if (!clip.isEmpty() || hasSelectedText()) { |
173 | separate(); //make it a separate undo/redo command |
174 | insert(clip); |
175 | separate(); |
176 | } |
177 | } |
178 | |
179 | #endif // !QT_NO_CLIPBOARD |
180 | |
181 | /*! |
182 | \internal |
183 | */ |
184 | void QWidgetLineControl::commitPreedit() |
185 | { |
186 | #ifndef QT_NO_IM |
187 | if (!composeMode()) |
188 | return; |
189 | |
190 | QGuiApplication::inputMethod()->commit(); |
191 | if (!composeMode()) |
192 | return; |
193 | |
194 | m_preeditCursor = 0; |
195 | setPreeditArea(cursor: -1, text: QString()); |
196 | m_textLayout.clearFormats(); |
197 | updateDisplayText(/*force*/ forceUpdate: true); |
198 | #endif |
199 | } |
200 | |
201 | |
202 | /*! |
203 | \internal |
204 | |
205 | Handles the behavior for the backspace key or function. |
206 | Removes the current selection if there is a selection, otherwise |
207 | removes the character prior to the cursor position. |
208 | |
209 | \sa del() |
210 | */ |
211 | void QWidgetLineControl::backspace() |
212 | { |
213 | int priorState = m_undoState; |
214 | if (hasSelectedText()) { |
215 | removeSelectedText(); |
216 | } else if (m_cursor) { |
217 | --m_cursor; |
218 | if (m_maskData) |
219 | m_cursor = prevMaskBlank(pos: m_cursor); |
220 | QChar uc = m_text.at(i: m_cursor); |
221 | if (m_cursor > 0 && uc.isLowSurrogate()) { |
222 | // second half of a surrogate, check if we have the first half as well, |
223 | // if yes delete both at once |
224 | uc = m_text.at(i: m_cursor - 1); |
225 | if (uc.isHighSurrogate()) { |
226 | internalDelete(wasBackspace: true); |
227 | --m_cursor; |
228 | } |
229 | } |
230 | internalDelete(wasBackspace: true); |
231 | } |
232 | finishChange(validateFromState: priorState); |
233 | } |
234 | |
235 | /*! |
236 | \internal |
237 | |
238 | Handles the behavior for the delete key or function. |
239 | Removes the current selection if there is a selection, otherwise |
240 | removes the character after the cursor position. |
241 | |
242 | \sa del() |
243 | */ |
244 | void QWidgetLineControl::del() |
245 | { |
246 | int priorState = m_undoState; |
247 | if (hasSelectedText()) { |
248 | removeSelectedText(); |
249 | } else { |
250 | int n = textLayout()->nextCursorPosition(oldPos: m_cursor) - m_cursor; |
251 | while (n--) |
252 | internalDelete(); |
253 | } |
254 | finishChange(validateFromState: priorState); |
255 | } |
256 | |
257 | /*! |
258 | \internal |
259 | |
260 | Inserts the given \a newText at the current cursor position. |
261 | If there is any selected text it is removed prior to insertion of |
262 | the new text. |
263 | */ |
264 | void QWidgetLineControl::insert(const QString &newText) |
265 | { |
266 | int priorState = m_undoState; |
267 | removeSelectedText(); |
268 | internalInsert(s: newText); |
269 | finishChange(validateFromState: priorState); |
270 | } |
271 | |
272 | /*! |
273 | \internal |
274 | |
275 | Clears the line control text. |
276 | */ |
277 | void QWidgetLineControl::clear() |
278 | { |
279 | int priorState = m_undoState; |
280 | m_selstart = 0; |
281 | m_selend = m_text.length(); |
282 | removeSelectedText(); |
283 | separate(); |
284 | finishChange(validateFromState: priorState, /*update*/false, /*edited*/false); |
285 | } |
286 | /*! |
287 | \internal |
288 | |
289 | Undoes the previous operation. |
290 | */ |
291 | |
292 | void QWidgetLineControl::undo() |
293 | { |
294 | // Undo works only for clearing the line when in any of password the modes |
295 | if (m_echoMode == QLineEdit::Normal) { |
296 | internalUndo(); |
297 | finishChange(validateFromState: -1, update: true); |
298 | } else { |
299 | cancelPasswordEchoTimer(); |
300 | clear(); |
301 | } |
302 | } |
303 | |
304 | /*! |
305 | \internal |
306 | |
307 | Sets \a length characters from the given \a start position as selected. |
308 | The given \a start position must be within the current text for |
309 | the line control. If \a length characters cannot be selected, then |
310 | the selection will extend to the end of the current text. |
311 | */ |
312 | void QWidgetLineControl::setSelection(int start, int length) |
313 | { |
314 | commitPreedit(); |
315 | |
316 | if (Q_UNLIKELY(start < 0 || start > m_text.size())) { |
317 | qWarning(msg: "QWidgetLineControl::setSelection: Invalid start position" ); |
318 | return; |
319 | } |
320 | |
321 | if (length > 0) { |
322 | if (start == m_selstart && start + length == m_selend && m_cursor == m_selend) |
323 | return; |
324 | m_selstart = start; |
325 | m_selend = qMin(a: start + length, b: (int)m_text.length()); |
326 | m_cursor = m_selend; |
327 | } else if (length < 0){ |
328 | if (start == m_selend && start + length == m_selstart && m_cursor == m_selstart) |
329 | return; |
330 | m_selstart = qMax(a: start + length, b: 0); |
331 | m_selend = start; |
332 | m_cursor = m_selstart; |
333 | } else if (m_selstart != m_selend) { |
334 | m_selstart = 0; |
335 | m_selend = 0; |
336 | m_cursor = start; |
337 | } else { |
338 | m_cursor = start; |
339 | emitCursorPositionChanged(); |
340 | return; |
341 | } |
342 | emit selectionChanged(); |
343 | emitCursorPositionChanged(); |
344 | } |
345 | |
346 | void QWidgetLineControl::_q_deleteSelected() |
347 | { |
348 | if (!hasSelectedText()) |
349 | return; |
350 | |
351 | int priorState = m_undoState; |
352 | emit resetInputContext(); |
353 | removeSelectedText(); |
354 | separate(); |
355 | finishChange(validateFromState: priorState); |
356 | } |
357 | |
358 | /*! |
359 | \internal |
360 | |
361 | Initializes the line control with a starting text value of \a txt. |
362 | */ |
363 | void QWidgetLineControl::init(const QString &txt) |
364 | { |
365 | m_textLayout.setCacheEnabled(true); |
366 | m_text = txt; |
367 | updateDisplayText(); |
368 | m_cursor = m_text.length(); |
369 | if (const QPlatformTheme *theme = QGuiApplicationPrivate::platformTheme()) { |
370 | m_keyboardScheme = theme->themeHint(hint: QPlatformTheme::KeyboardScheme).toInt(); |
371 | m_passwordMaskDelay = theme->themeHint(hint: QPlatformTheme::PasswordMaskDelay).toInt(); |
372 | } |
373 | // Generalize for X11 |
374 | if (m_keyboardScheme == QPlatformTheme::KdeKeyboardScheme |
375 | || m_keyboardScheme == QPlatformTheme::GnomeKeyboardScheme |
376 | || m_keyboardScheme == QPlatformTheme::CdeKeyboardScheme) { |
377 | m_keyboardScheme = QPlatformTheme::X11KeyboardScheme; |
378 | } |
379 | } |
380 | |
381 | /*! |
382 | \internal |
383 | |
384 | Sets the password echo editing to \a editing. If password echo editing |
385 | is true, then the text of the password is displayed even if the echo |
386 | mode is set to QLineEdit::PasswordEchoOnEdit. Password echoing editing |
387 | does not affect other echo modes. |
388 | */ |
389 | void QWidgetLineControl::updatePasswordEchoEditing(bool editing) |
390 | { |
391 | cancelPasswordEchoTimer(); |
392 | m_passwordEchoEditing = editing; |
393 | updateDisplayText(); |
394 | } |
395 | |
396 | /*! |
397 | \internal |
398 | |
399 | Returns the cursor position of the given \a x pixel value in relation |
400 | to the displayed text. The given \a betweenOrOn specified what kind |
401 | of cursor position is requested. |
402 | */ |
403 | int QWidgetLineControl::xToPos(int x, QTextLine::CursorPosition betweenOrOn) const |
404 | { |
405 | return textLayout()->lineAt(i: 0).xToCursor(x, betweenOrOn); |
406 | } |
407 | |
408 | /*! |
409 | \internal |
410 | |
411 | Returns the bounds of the given text position. |
412 | */ |
413 | QRect QWidgetLineControl::rectForPos(int pos) const |
414 | { |
415 | QTextLine l = textLayout()->lineAt(i: 0); |
416 | if (m_preeditCursor != -1) |
417 | pos += m_preeditCursor; |
418 | int cix = qRound(d: l.cursorToX(cursorPos: pos)); |
419 | int w = m_cursorWidth; |
420 | int ch = l.height() + 1; |
421 | |
422 | return QRect(cix-5, 0, w+9, ch); |
423 | } |
424 | |
425 | /*! |
426 | \internal |
427 | |
428 | Returns the bounds of the current cursor, as defined as a |
429 | between characters cursor. |
430 | */ |
431 | QRect QWidgetLineControl::cursorRect() const |
432 | { |
433 | return rectForPos(pos: m_cursor); |
434 | } |
435 | |
436 | /*! |
437 | \internal |
438 | |
439 | Returns the bounds of the current anchor |
440 | */ |
441 | QRect QWidgetLineControl::anchorRect() const |
442 | { |
443 | if (!hasSelectedText()) |
444 | return cursorRect(); |
445 | return rectForPos(pos: m_cursor == m_selstart ? m_selend : m_selstart); |
446 | } |
447 | |
448 | /*! |
449 | \internal |
450 | |
451 | Fixes the current text so that it is valid given any set validators. |
452 | |
453 | Returns \c true if the text was changed. Otherwise returns \c false. |
454 | */ |
455 | bool QWidgetLineControl::fixup() // this function assumes that validate currently returns != Acceptable |
456 | { |
457 | #ifndef QT_NO_VALIDATOR |
458 | if (m_validator) { |
459 | QString textCopy = m_text; |
460 | int cursorCopy = m_cursor; |
461 | m_validator->fixup(textCopy); |
462 | if (m_validator->validate(textCopy, cursorCopy) == QValidator::Acceptable) { |
463 | if (textCopy != m_text || cursorCopy != m_cursor) |
464 | internalSetText(txt: textCopy, pos: cursorCopy, edited: false); |
465 | return true; |
466 | } |
467 | } |
468 | #endif |
469 | return false; |
470 | } |
471 | |
472 | /*! |
473 | \internal |
474 | |
475 | Moves the cursor to the given position \a pos. If \a mark is true will |
476 | adjust the currently selected text. |
477 | */ |
478 | void QWidgetLineControl::moveCursor(int pos, bool mark) |
479 | { |
480 | commitPreedit(); |
481 | |
482 | if (pos != m_cursor) { |
483 | separate(); |
484 | if (m_maskData) |
485 | pos = pos > m_cursor ? nextMaskBlank(pos) : prevMaskBlank(pos); |
486 | } |
487 | if (mark) { |
488 | int anchor; |
489 | if (m_selend > m_selstart && m_cursor == m_selstart) |
490 | anchor = m_selend; |
491 | else if (m_selend > m_selstart && m_cursor == m_selend) |
492 | anchor = m_selstart; |
493 | else |
494 | anchor = m_cursor; |
495 | m_selstart = qMin(a: anchor, b: pos); |
496 | m_selend = qMax(a: anchor, b: pos); |
497 | updateDisplayText(); |
498 | } else { |
499 | internalDeselect(); |
500 | } |
501 | m_cursor = pos; |
502 | if (mark || m_selDirty) { |
503 | m_selDirty = false; |
504 | emit selectionChanged(); |
505 | } |
506 | emitCursorPositionChanged(); |
507 | } |
508 | |
509 | /*! |
510 | \internal |
511 | |
512 | Applies the given input method event \a event to the text of the line |
513 | control |
514 | */ |
515 | void QWidgetLineControl::processInputMethodEvent(QInputMethodEvent *event) |
516 | { |
517 | int priorState = -1; |
518 | bool isGettingInput = !event->commitString().isEmpty() |
519 | || event->preeditString() != preeditAreaText() |
520 | || event->replacementLength() > 0; |
521 | bool cursorPositionChanged = false; |
522 | bool selectionChange = false; |
523 | |
524 | if (isGettingInput) { |
525 | // If any text is being input, remove selected text. |
526 | priorState = m_undoState; |
527 | if (echoMode() == QLineEdit::PasswordEchoOnEdit && !passwordEchoEditing()) { |
528 | updatePasswordEchoEditing(editing: true); |
529 | m_selstart = 0; |
530 | m_selend = m_text.length(); |
531 | } |
532 | removeSelectedText(); |
533 | } |
534 | |
535 | int c = m_cursor; // cursor position after insertion of commit string |
536 | if (event->replacementStart() <= 0) |
537 | c += event->commitString().length() - qMin(a: -event->replacementStart(), b: event->replacementLength()); |
538 | |
539 | m_cursor += event->replacementStart(); |
540 | if (m_cursor < 0) |
541 | m_cursor = 0; |
542 | |
543 | // insert commit string |
544 | if (event->replacementLength()) { |
545 | m_selstart = m_cursor; |
546 | m_selend = m_selstart + event->replacementLength(); |
547 | removeSelectedText(); |
548 | } |
549 | if (!event->commitString().isEmpty()) { |
550 | internalInsert(s: event->commitString()); |
551 | cursorPositionChanged = true; |
552 | } else { |
553 | m_cursor = qBound(min: 0, val: c, max: m_text.length()); |
554 | } |
555 | |
556 | for (int i = 0; i < event->attributes().size(); ++i) { |
557 | const QInputMethodEvent::Attribute &a = event->attributes().at(i); |
558 | if (a.type == QInputMethodEvent::Selection) { |
559 | m_cursor = qBound(min: 0, val: a.start + a.length, max: m_text.length()); |
560 | if (a.length) { |
561 | m_selstart = qMax(a: 0, b: qMin(a: a.start, b: m_text.length())); |
562 | m_selend = m_cursor; |
563 | if (m_selend < m_selstart) { |
564 | qSwap(value1&: m_selstart, value2&: m_selend); |
565 | } |
566 | selectionChange = true; |
567 | } else { |
568 | if (m_selstart != m_selend) |
569 | selectionChange = true; |
570 | m_selstart = m_selend = 0; |
571 | } |
572 | cursorPositionChanged = true; |
573 | } |
574 | } |
575 | #ifndef QT_NO_IM |
576 | setPreeditArea(cursor: m_cursor, text: event->preeditString()); |
577 | #endif //QT_NO_IM |
578 | const int oldPreeditCursor = m_preeditCursor; |
579 | m_preeditCursor = event->preeditString().length(); |
580 | m_hideCursor = false; |
581 | QVector<QTextLayout::FormatRange> formats; |
582 | formats.reserve(asize: event->attributes().size()); |
583 | for (int i = 0; i < event->attributes().size(); ++i) { |
584 | const QInputMethodEvent::Attribute &a = event->attributes().at(i); |
585 | if (a.type == QInputMethodEvent::Cursor) { |
586 | m_preeditCursor = a.start; |
587 | m_hideCursor = !a.length; |
588 | } else if (a.type == QInputMethodEvent::TextFormat) { |
589 | QTextCharFormat f = qvariant_cast<QTextFormat>(v: a.value).toCharFormat(); |
590 | if (f.isValid()) { |
591 | QTextLayout::FormatRange o; |
592 | o.start = a.start + m_cursor; |
593 | o.length = a.length; |
594 | o.format = f; |
595 | formats.append(t: o); |
596 | } |
597 | } |
598 | } |
599 | m_textLayout.setFormats(formats); |
600 | updateDisplayText(/*force*/ forceUpdate: true); |
601 | if (cursorPositionChanged) |
602 | emitCursorPositionChanged(); |
603 | else if (m_preeditCursor != oldPreeditCursor) |
604 | emit updateMicroFocus(); |
605 | |
606 | if (isGettingInput) |
607 | finishChange(validateFromState: priorState); |
608 | |
609 | if (selectionChange) |
610 | emit selectionChanged(); |
611 | } |
612 | |
613 | /*! |
614 | \internal |
615 | |
616 | Draws the display text for the line control using the given |
617 | \a painter, \a clip, and \a offset. Which aspects of the display text |
618 | are drawn is specified by the given \a flags. |
619 | |
620 | If the flags contain DrawSelections, then the selection or input mask |
621 | backgrounds and foregrounds will be applied before drawing the text. |
622 | |
623 | If the flags contain DrawCursor a cursor of the current cursorWidth() |
624 | will be drawn after drawing the text. |
625 | |
626 | The display text will only be drawn if the flags contain DrawText |
627 | */ |
628 | void QWidgetLineControl::draw(QPainter *painter, const QPoint &offset, const QRect &clip, int flags) |
629 | { |
630 | QVector<QTextLayout::FormatRange> selections; |
631 | if (flags & DrawSelections) { |
632 | QTextLayout::FormatRange o; |
633 | if (m_selstart < m_selend) { |
634 | o.start = m_selstart; |
635 | o.length = m_selend - m_selstart; |
636 | o.format.setBackground(m_palette.brush(cr: QPalette::Highlight)); |
637 | o.format.setForeground(m_palette.brush(cr: QPalette::HighlightedText)); |
638 | } else { |
639 | // mask selection |
640 | if (m_blinkStatus){ |
641 | o.start = m_cursor; |
642 | o.length = 1; |
643 | o.format.setBackground(m_palette.brush(cr: QPalette::Text)); |
644 | o.format.setForeground(m_palette.brush(cr: QPalette::Window)); |
645 | } |
646 | } |
647 | selections.append(t: o); |
648 | } |
649 | |
650 | if (flags & DrawText) |
651 | textLayout()->draw(p: painter, pos: offset, selections, clip); |
652 | |
653 | if (flags & DrawCursor){ |
654 | int cursor = m_cursor; |
655 | if (m_preeditCursor != -1) |
656 | cursor += m_preeditCursor; |
657 | if (!m_hideCursor && m_blinkStatus) |
658 | textLayout()->drawCursor(p: painter, pos: offset, cursorPosition: cursor, width: m_cursorWidth); |
659 | } |
660 | } |
661 | |
662 | /*! |
663 | \internal |
664 | |
665 | Sets the selection to cover the word at the given cursor position. |
666 | The word boundaries are defined by the behavior of QTextLayout::SkipWords |
667 | cursor mode. |
668 | */ |
669 | void QWidgetLineControl::selectWordAtPos(int cursor) |
670 | { |
671 | int next = cursor + 1; |
672 | if(next > end()) |
673 | --next; |
674 | int c = textLayout()->previousCursorPosition(oldPos: next, mode: QTextLayout::SkipWords); |
675 | moveCursor(pos: c, mark: false); |
676 | // ## text layout should support end of words. |
677 | int end = textLayout()->nextCursorPosition(oldPos: c, mode: QTextLayout::SkipWords); |
678 | while (end > cursor && m_text[end-1].isSpace()) |
679 | --end; |
680 | moveCursor(pos: end, mark: true); |
681 | } |
682 | |
683 | /*! |
684 | \internal |
685 | |
686 | Completes a change to the line control text. If the change is not valid |
687 | will undo the line control state back to the given \a validateFromState. |
688 | |
689 | If \a edited is true and the change is valid, will emit textEdited() in |
690 | addition to textChanged(). Otherwise only emits textChanged() on a valid |
691 | change. |
692 | |
693 | The \a update value is currently unused. |
694 | */ |
695 | bool QWidgetLineControl::finishChange(int validateFromState, bool update, bool edited) |
696 | { |
697 | Q_UNUSED(update) |
698 | |
699 | if (m_textDirty) { |
700 | // do validation |
701 | bool wasValidInput = m_validInput; |
702 | m_validInput = true; |
703 | #ifndef QT_NO_VALIDATOR |
704 | if (m_validator) { |
705 | QString textCopy = m_text; |
706 | int cursorCopy = m_cursor; |
707 | m_validInput = (m_validator->validate(textCopy, cursorCopy) != QValidator::Invalid); |
708 | if (m_validInput) { |
709 | if (m_text != textCopy) { |
710 | internalSetText(txt: textCopy, pos: cursorCopy, edited); |
711 | return true; |
712 | } |
713 | m_cursor = cursorCopy; |
714 | } else { |
715 | emit inputRejected(); |
716 | } |
717 | } |
718 | #endif |
719 | if (validateFromState >= 0 && wasValidInput && !m_validInput) { |
720 | if (m_transactions.count()) |
721 | return false; |
722 | internalUndo(until: validateFromState); |
723 | m_history.erase(first: m_history.begin() + m_undoState, last: m_history.end()); |
724 | if (m_modifiedState > m_undoState) |
725 | m_modifiedState = -1; |
726 | m_validInput = true; |
727 | m_textDirty = false; |
728 | } |
729 | updateDisplayText(); |
730 | |
731 | if (m_textDirty) { |
732 | m_textDirty = false; |
733 | QString actualText = text(); |
734 | if (edited) |
735 | emit textEdited(actualText); |
736 | emit textChanged(actualText); |
737 | } |
738 | } |
739 | if (m_selDirty) { |
740 | m_selDirty = false; |
741 | emit selectionChanged(); |
742 | } |
743 | if (m_cursor == m_lastCursorPos) |
744 | updateMicroFocus(); |
745 | emitCursorPositionChanged(); |
746 | return true; |
747 | } |
748 | |
749 | /*! |
750 | \internal |
751 | |
752 | An internal function for setting the text of the line control. |
753 | */ |
754 | void QWidgetLineControl::internalSetText(const QString &txt, int pos, bool edited) |
755 | { |
756 | cancelPasswordEchoTimer(); |
757 | internalDeselect(); |
758 | emit resetInputContext(); |
759 | QString oldText = m_text; |
760 | if (m_maskData) { |
761 | m_text = maskString(pos: 0, str: txt, clear: true); |
762 | m_text += clearString(pos: m_text.length(), len: m_maxLength - m_text.length()); |
763 | if (edited && oldText == m_text) |
764 | emit inputRejected(); |
765 | } else { |
766 | m_text = txt.isEmpty() ? txt : txt.left(n: m_maxLength); |
767 | } |
768 | m_history.clear(); |
769 | m_modifiedState = m_undoState = 0; |
770 | m_cursor = (pos < 0 || pos > m_text.length()) ? m_text.length() : pos; |
771 | m_textDirty = (oldText != m_text); |
772 | const bool changed = finishChange(validateFromState: -1, update: true, edited); |
773 | |
774 | #ifndef QT_NO_ACCESSIBILITY |
775 | if (changed) { |
776 | if (oldText.isEmpty()) { |
777 | QAccessibleTextInsertEvent event(accessibleObject(), 0, txt); |
778 | event.setCursorPosition(m_cursor); |
779 | QAccessible::updateAccessibility(event: &event); |
780 | } else if (txt.isEmpty()) { |
781 | QAccessibleTextRemoveEvent event(accessibleObject(), 0, oldText); |
782 | event.setCursorPosition(m_cursor); |
783 | QAccessible::updateAccessibility(event: &event); |
784 | } else { |
785 | QAccessibleTextUpdateEvent event(accessibleObject(), 0, oldText, txt); |
786 | event.setCursorPosition(m_cursor); |
787 | QAccessible::updateAccessibility(event: &event); |
788 | } |
789 | } |
790 | #else |
791 | Q_UNUSED(changed) |
792 | #endif |
793 | } |
794 | |
795 | |
796 | /*! |
797 | \internal |
798 | |
799 | Adds the given \a command to the undo history |
800 | of the line control. Does not apply the command. |
801 | */ |
802 | void QWidgetLineControl::addCommand(const Command &cmd) |
803 | { |
804 | m_history.erase(first: m_history.begin() + m_undoState, last: m_history.end()); |
805 | |
806 | if (m_separator && m_undoState && m_history[m_undoState - 1].type != Separator) |
807 | m_history.push_back(x: Command(Separator, m_cursor, 0, m_selstart, m_selend)); |
808 | |
809 | m_separator = false; |
810 | m_history.push_back(x: cmd); |
811 | m_undoState = int(m_history.size()); |
812 | } |
813 | |
814 | /*! |
815 | \internal |
816 | |
817 | Inserts the given string \a s into the line |
818 | control. |
819 | |
820 | Also adds the appropriate commands into the undo history. |
821 | This function does not call finishChange(), and may leave the text |
822 | in an invalid state. |
823 | */ |
824 | void QWidgetLineControl::internalInsert(const QString &s) |
825 | { |
826 | if (m_echoMode == QLineEdit::Password) { |
827 | if (m_passwordEchoTimer != 0) |
828 | killTimer(id: m_passwordEchoTimer); |
829 | int delay = m_passwordMaskDelay; |
830 | #ifdef QT_BUILD_INTERNAL |
831 | if (m_passwordMaskDelayOverride >= 0) |
832 | delay = m_passwordMaskDelayOverride; |
833 | #endif |
834 | |
835 | if (delay > 0) |
836 | m_passwordEchoTimer = startTimer(interval: delay); |
837 | } |
838 | if (hasSelectedText()) |
839 | addCommand(cmd: Command(SetSelection, m_cursor, 0, m_selstart, m_selend)); |
840 | if (m_maskData) { |
841 | QString ms = maskString(pos: m_cursor, str: s); |
842 | if (ms.isEmpty() && !s.isEmpty()) |
843 | emit inputRejected(); |
844 | #ifndef QT_NO_ACCESSIBILITY |
845 | QAccessibleTextInsertEvent insertEvent(accessibleObject(), m_cursor, ms); |
846 | QAccessible::updateAccessibility(event: &insertEvent); |
847 | #endif |
848 | for (int i = 0; i < (int) ms.length(); ++i) { |
849 | addCommand (cmd: Command(DeleteSelection, m_cursor + i, m_text.at(i: m_cursor + i), -1, -1)); |
850 | addCommand(cmd: Command(Insert, m_cursor + i, ms.at(i), -1, -1)); |
851 | } |
852 | m_text.replace(i: m_cursor, len: ms.length(), after: ms); |
853 | m_cursor += ms.length(); |
854 | m_cursor = nextMaskBlank(pos: m_cursor); |
855 | m_textDirty = true; |
856 | #ifndef QT_NO_ACCESSIBILITY |
857 | QAccessibleTextCursorEvent event(accessibleObject(), m_cursor); |
858 | QAccessible::updateAccessibility(event: &event); |
859 | #endif |
860 | } else { |
861 | int remaining = m_maxLength - m_text.length(); |
862 | if (remaining != 0) { |
863 | #ifndef QT_NO_ACCESSIBILITY |
864 | QAccessibleTextInsertEvent insertEvent(accessibleObject(), m_cursor, s); |
865 | QAccessible::updateAccessibility(event: &insertEvent); |
866 | #endif |
867 | m_text.insert(i: m_cursor, s: s.left(n: remaining)); |
868 | for (int i = 0; i < (int) s.left(n: remaining).length(); ++i) |
869 | addCommand(cmd: Command(Insert, m_cursor++, s.at(i), -1, -1)); |
870 | m_textDirty = true; |
871 | } |
872 | if (s.length() > remaining) |
873 | emit inputRejected(); |
874 | } |
875 | } |
876 | |
877 | /*! |
878 | \internal |
879 | |
880 | deletes a single character from the current text. If \a wasBackspace, |
881 | the character prior to the cursor is removed. Otherwise the character |
882 | after the cursor is removed. |
883 | |
884 | Also adds the appropriate commands into the undo history. |
885 | This function does not call finishChange(), and may leave the text |
886 | in an invalid state. |
887 | */ |
888 | void QWidgetLineControl::internalDelete(bool wasBackspace) |
889 | { |
890 | if (m_cursor < (int) m_text.length()) { |
891 | cancelPasswordEchoTimer(); |
892 | if (hasSelectedText()) |
893 | addCommand(cmd: Command(SetSelection, m_cursor, 0, m_selstart, m_selend)); |
894 | addCommand(cmd: Command((CommandType)((m_maskData ? 2 : 0) + (wasBackspace ? Remove : Delete)), |
895 | m_cursor, m_text.at(i: m_cursor), -1, -1)); |
896 | #ifndef QT_NO_ACCESSIBILITY |
897 | QAccessibleTextRemoveEvent event(accessibleObject(), m_cursor, m_text.at(i: m_cursor)); |
898 | QAccessible::updateAccessibility(event: &event); |
899 | #endif |
900 | if (m_maskData) { |
901 | m_text.replace(i: m_cursor, len: 1, after: clearString(pos: m_cursor, len: 1)); |
902 | addCommand(cmd: Command(Insert, m_cursor, m_text.at(i: m_cursor), -1, -1)); |
903 | } else { |
904 | m_text.remove(i: m_cursor, len: 1); |
905 | } |
906 | m_textDirty = true; |
907 | } |
908 | } |
909 | |
910 | /*! |
911 | \internal |
912 | |
913 | removes the currently selected text from the line control. |
914 | |
915 | Also adds the appropriate commands into the undo history. |
916 | This function does not call finishChange(), and may leave the text |
917 | in an invalid state. |
918 | */ |
919 | void QWidgetLineControl::removeSelectedText() |
920 | { |
921 | if (m_selstart < m_selend && m_selend <= (int) m_text.length()) { |
922 | cancelPasswordEchoTimer(); |
923 | separate(); |
924 | int i ; |
925 | addCommand(cmd: Command(SetSelection, m_cursor, 0, m_selstart, m_selend)); |
926 | if (m_selstart <= m_cursor && m_cursor < m_selend) { |
927 | // cursor is within the selection. Split up the commands |
928 | // to be able to restore the correct cursor position |
929 | for (i = m_cursor; i >= m_selstart; --i) |
930 | addCommand (cmd: Command(DeleteSelection, i, m_text.at(i), -1, 1)); |
931 | for (i = m_selend - 1; i > m_cursor; --i) |
932 | addCommand (cmd: Command(DeleteSelection, i - m_cursor + m_selstart - 1, m_text.at(i), -1, -1)); |
933 | } else { |
934 | for (i = m_selend-1; i >= m_selstart; --i) |
935 | addCommand (cmd: Command(RemoveSelection, i, m_text.at(i), -1, -1)); |
936 | } |
937 | #ifndef QT_NO_ACCESSIBILITY |
938 | QAccessibleTextRemoveEvent event(accessibleObject(), m_selstart, m_text.mid(position: m_selstart, n: m_selend - m_selstart)); |
939 | QAccessible::updateAccessibility(event: &event); |
940 | #endif |
941 | if (m_maskData) { |
942 | m_text.replace(i: m_selstart, len: m_selend - m_selstart, after: clearString(pos: m_selstart, len: m_selend - m_selstart)); |
943 | for (int i = 0; i < m_selend - m_selstart; ++i) |
944 | addCommand(cmd: Command(Insert, m_selstart + i, m_text.at(i: m_selstart + i), -1, -1)); |
945 | } else { |
946 | m_text.remove(i: m_selstart, len: m_selend - m_selstart); |
947 | } |
948 | if (m_cursor > m_selstart) |
949 | m_cursor -= qMin(a: m_cursor, b: m_selend) - m_selstart; |
950 | internalDeselect(); |
951 | m_textDirty = true; |
952 | } |
953 | } |
954 | |
955 | /*! |
956 | \internal |
957 | |
958 | Parses the input mask specified by \a maskFields to generate |
959 | the mask data used to handle input masks. |
960 | */ |
961 | void QWidgetLineControl::parseInputMask(const QString &maskFields) |
962 | { |
963 | int delimiter = maskFields.indexOf(c: QLatin1Char(';')); |
964 | if (maskFields.isEmpty() || delimiter == 0) { |
965 | if (m_maskData) { |
966 | delete [] m_maskData; |
967 | m_maskData = nullptr; |
968 | m_maxLength = 32767; |
969 | internalSetText(txt: QString(), pos: -1, edited: false); |
970 | } |
971 | return; |
972 | } |
973 | |
974 | if (delimiter == -1) { |
975 | m_blank = QLatin1Char(' '); |
976 | m_inputMask = maskFields; |
977 | } else { |
978 | m_inputMask = maskFields.left(n: delimiter); |
979 | m_blank = (delimiter + 1 < maskFields.length()) ? maskFields[delimiter + 1] : QLatin1Char(' '); |
980 | } |
981 | |
982 | // calculate m_maxLength / m_maskData length |
983 | m_maxLength = 0; |
984 | QChar c = 0; |
985 | bool escaped = false; |
986 | for (int i=0; i<m_inputMask.length(); i++) { |
987 | c = m_inputMask.at(i); |
988 | if (escaped) { |
989 | ++m_maxLength; |
990 | escaped = false; |
991 | continue; |
992 | } |
993 | |
994 | if (c == '\\') { |
995 | escaped = true; |
996 | continue; |
997 | } |
998 | |
999 | if (c != QLatin1Char('\\') && c != QLatin1Char('!') && |
1000 | c != QLatin1Char('<') && c != QLatin1Char('>') && |
1001 | c != QLatin1Char('{') && c != QLatin1Char('}') && |
1002 | c != QLatin1Char('[') && c != QLatin1Char(']')) |
1003 | m_maxLength++; |
1004 | } |
1005 | |
1006 | delete [] m_maskData; |
1007 | m_maskData = new MaskInputData[m_maxLength]; |
1008 | |
1009 | MaskInputData::Casemode m = MaskInputData::NoCaseMode; |
1010 | c = 0; |
1011 | bool s; |
1012 | bool escape = false; |
1013 | int index = 0; |
1014 | for (int i = 0; i < m_inputMask.length(); i++) { |
1015 | c = m_inputMask.at(i); |
1016 | if (escape) { |
1017 | s = true; |
1018 | m_maskData[index].maskChar = c; |
1019 | m_maskData[index].separator = s; |
1020 | m_maskData[index].caseMode = m; |
1021 | index++; |
1022 | escape = false; |
1023 | } else if (c == QLatin1Char('<')) { |
1024 | m = MaskInputData::Lower; |
1025 | } else if (c == QLatin1Char('>')) { |
1026 | m = MaskInputData::Upper; |
1027 | } else if (c == QLatin1Char('!')) { |
1028 | m = MaskInputData::NoCaseMode; |
1029 | } else if (c != QLatin1Char('{') && c != QLatin1Char('}') && c != QLatin1Char('[') && c != QLatin1Char(']')) { |
1030 | switch (c.unicode()) { |
1031 | case 'A': |
1032 | case 'a': |
1033 | case 'N': |
1034 | case 'n': |
1035 | case 'X': |
1036 | case 'x': |
1037 | case '9': |
1038 | case '0': |
1039 | case 'D': |
1040 | case 'd': |
1041 | case '#': |
1042 | case 'H': |
1043 | case 'h': |
1044 | case 'B': |
1045 | case 'b': |
1046 | s = false; |
1047 | break; |
1048 | case '\\': |
1049 | escape = true; |
1050 | Q_FALLTHROUGH(); |
1051 | default: |
1052 | s = true; |
1053 | break; |
1054 | } |
1055 | |
1056 | if (!escape) { |
1057 | m_maskData[index].maskChar = c; |
1058 | m_maskData[index].separator = s; |
1059 | m_maskData[index].caseMode = m; |
1060 | index++; |
1061 | } |
1062 | } |
1063 | } |
1064 | internalSetText(txt: m_text, pos: -1, edited: false); |
1065 | } |
1066 | |
1067 | |
1068 | /*! |
1069 | \internal |
1070 | |
1071 | checks if the key is valid compared to the inputMask |
1072 | */ |
1073 | bool QWidgetLineControl::isValidInput(QChar key, QChar mask) const |
1074 | { |
1075 | switch (mask.unicode()) { |
1076 | case 'A': |
1077 | if (key.isLetter()) |
1078 | return true; |
1079 | break; |
1080 | case 'a': |
1081 | if (key.isLetter() || key == m_blank) |
1082 | return true; |
1083 | break; |
1084 | case 'N': |
1085 | if (key.isLetterOrNumber()) |
1086 | return true; |
1087 | break; |
1088 | case 'n': |
1089 | if (key.isLetterOrNumber() || key == m_blank) |
1090 | return true; |
1091 | break; |
1092 | case 'X': |
1093 | if (key.isPrint() && key != m_blank) |
1094 | return true; |
1095 | break; |
1096 | case 'x': |
1097 | if (key.isPrint() || key == m_blank) |
1098 | return true; |
1099 | break; |
1100 | case '9': |
1101 | if (key.isNumber()) |
1102 | return true; |
1103 | break; |
1104 | case '0': |
1105 | if (key.isNumber() || key == m_blank) |
1106 | return true; |
1107 | break; |
1108 | case 'D': |
1109 | if (key.isNumber() && key.digitValue() > 0) |
1110 | return true; |
1111 | break; |
1112 | case 'd': |
1113 | if ((key.isNumber() && key.digitValue() > 0) || key == m_blank) |
1114 | return true; |
1115 | break; |
1116 | case '#': |
1117 | if (key.isNumber() || key == QLatin1Char('+') || key == QLatin1Char('-') || key == m_blank) |
1118 | return true; |
1119 | break; |
1120 | case 'B': |
1121 | if (key == QLatin1Char('0') || key == QLatin1Char('1')) |
1122 | return true; |
1123 | break; |
1124 | case 'b': |
1125 | if (key == QLatin1Char('0') || key == QLatin1Char('1') || key == m_blank) |
1126 | return true; |
1127 | break; |
1128 | case 'H': |
1129 | if (key.isNumber() || (key >= QLatin1Char('a') && key <= QLatin1Char('f')) || (key >= QLatin1Char('A') && key <= QLatin1Char('F'))) |
1130 | return true; |
1131 | break; |
1132 | case 'h': |
1133 | if (key.isNumber() || (key >= QLatin1Char('a') && key <= QLatin1Char('f')) || (key >= QLatin1Char('A') && key <= QLatin1Char('F')) || key == m_blank) |
1134 | return true; |
1135 | break; |
1136 | default: |
1137 | break; |
1138 | } |
1139 | return false; |
1140 | } |
1141 | |
1142 | /*! |
1143 | \internal |
1144 | |
1145 | Returns \c true if the given text \a str is valid for any |
1146 | validator or input mask set for the line control. |
1147 | |
1148 | Otherwise returns \c false |
1149 | */ |
1150 | bool QWidgetLineControl::hasAcceptableInput(const QString &str) const |
1151 | { |
1152 | #ifndef QT_NO_VALIDATOR |
1153 | QString textCopy = str; |
1154 | int cursorCopy = m_cursor; |
1155 | if (m_validator && m_validator->validate(textCopy, cursorCopy) |
1156 | != QValidator::Acceptable) |
1157 | return false; |
1158 | #endif |
1159 | |
1160 | if (!m_maskData) |
1161 | return true; |
1162 | |
1163 | if (str.length() != m_maxLength) |
1164 | return false; |
1165 | |
1166 | for (int i=0; i < m_maxLength; ++i) { |
1167 | if (m_maskData[i].separator) { |
1168 | if (str.at(i) != m_maskData[i].maskChar) |
1169 | return false; |
1170 | } else { |
1171 | if (!isValidInput(key: str.at(i), mask: m_maskData[i].maskChar)) |
1172 | return false; |
1173 | } |
1174 | } |
1175 | return true; |
1176 | } |
1177 | |
1178 | /*! |
1179 | \internal |
1180 | |
1181 | Applies the inputMask on \a str starting from position \a pos in the mask. \a clear |
1182 | specifies from where characters should be gotten when a separator is met in \a str - true means |
1183 | that blanks will be used, false that previous input is used. |
1184 | Calling this when no inputMask is set is undefined. |
1185 | */ |
1186 | QString QWidgetLineControl::maskString(int pos, const QString &str, bool clear) const |
1187 | { |
1188 | if (pos >= m_maxLength) |
1189 | return QString::fromLatin1(str: "" ); |
1190 | |
1191 | QString fill; |
1192 | fill = clear ? clearString(pos: 0, len: m_maxLength) : m_text; |
1193 | |
1194 | int strIndex = 0; |
1195 | QString s = QString::fromLatin1(str: "" ); |
1196 | int i = pos; |
1197 | while (i < m_maxLength) { |
1198 | if (strIndex < str.length()) { |
1199 | if (m_maskData[i].separator) { |
1200 | s += m_maskData[i].maskChar; |
1201 | if (str[(int)strIndex] == m_maskData[i].maskChar) |
1202 | strIndex++; |
1203 | ++i; |
1204 | } else { |
1205 | if (isValidInput(key: str[(int)strIndex], mask: m_maskData[i].maskChar)) { |
1206 | switch (m_maskData[i].caseMode) { |
1207 | case MaskInputData::Upper: |
1208 | s += str[(int)strIndex].toUpper(); |
1209 | break; |
1210 | case MaskInputData::Lower: |
1211 | s += str[(int)strIndex].toLower(); |
1212 | break; |
1213 | default: |
1214 | s += str[(int)strIndex]; |
1215 | } |
1216 | ++i; |
1217 | } else { |
1218 | // search for separator first |
1219 | int n = findInMask(pos: i, forward: true, findSeparator: true, searchChar: str[(int)strIndex]); |
1220 | if (n != -1) { |
1221 | if (str.length() != 1 || i == 0 || (i > 0 && (!m_maskData[i-1].separator || m_maskData[i-1].maskChar != str[(int)strIndex]))) { |
1222 | s += fill.midRef(position: i, n: n - i + 1); |
1223 | i = n + 1; // update i to find + 1 |
1224 | } |
1225 | } else { |
1226 | // search for valid m_blank if not |
1227 | n = findInMask(pos: i, forward: true, findSeparator: false, searchChar: str[(int)strIndex]); |
1228 | if (n != -1) { |
1229 | s += fill.midRef(position: i, n: n - i); |
1230 | switch (m_maskData[n].caseMode) { |
1231 | case MaskInputData::Upper: |
1232 | s += str[(int)strIndex].toUpper(); |
1233 | break; |
1234 | case MaskInputData::Lower: |
1235 | s += str[(int)strIndex].toLower(); |
1236 | break; |
1237 | default: |
1238 | s += str[(int)strIndex]; |
1239 | } |
1240 | i = n + 1; // updates i to find + 1 |
1241 | } |
1242 | } |
1243 | } |
1244 | ++strIndex; |
1245 | } |
1246 | } else |
1247 | break; |
1248 | } |
1249 | |
1250 | return s; |
1251 | } |
1252 | |
1253 | |
1254 | |
1255 | /*! |
1256 | \internal |
1257 | |
1258 | Returns a "cleared" string with only separators and blank chars. |
1259 | Calling this when no inputMask is set is undefined. |
1260 | */ |
1261 | QString QWidgetLineControl::clearString(int pos, int len) const |
1262 | { |
1263 | if (pos >= m_maxLength) |
1264 | return QString(); |
1265 | |
1266 | QString s; |
1267 | int end = qMin(a: m_maxLength, b: pos + len); |
1268 | for (int i = pos; i < end; ++i) |
1269 | if (m_maskData[i].separator) |
1270 | s += m_maskData[i].maskChar; |
1271 | else |
1272 | s += m_blank; |
1273 | |
1274 | return s; |
1275 | } |
1276 | |
1277 | /*! |
1278 | \internal |
1279 | |
1280 | Strips blank parts of the input in a QWidgetLineControl when an inputMask is set, |
1281 | separators are still included. Typically "127.0__.0__.1__" becomes "127.0.0.1". |
1282 | */ |
1283 | QString QWidgetLineControl::stripString(const QString &str) const |
1284 | { |
1285 | if (!m_maskData) |
1286 | return str; |
1287 | |
1288 | QString s; |
1289 | int end = qMin(a: m_maxLength, b: (int)str.length()); |
1290 | for (int i = 0; i < end; ++i) |
1291 | if (m_maskData[i].separator) |
1292 | s += m_maskData[i].maskChar; |
1293 | else |
1294 | if (str[i] != m_blank) |
1295 | s += str[i]; |
1296 | |
1297 | return s; |
1298 | } |
1299 | |
1300 | /*! |
1301 | \internal |
1302 | searches forward/backward in m_maskData for either a separator or a m_blank |
1303 | */ |
1304 | int QWidgetLineControl::findInMask(int pos, bool forward, bool findSeparator, QChar searchChar) const |
1305 | { |
1306 | if (pos >= m_maxLength || pos < 0) |
1307 | return -1; |
1308 | |
1309 | int end = forward ? m_maxLength : -1; |
1310 | int step = forward ? 1 : -1; |
1311 | int i = pos; |
1312 | |
1313 | while (i != end) { |
1314 | if (findSeparator) { |
1315 | if (m_maskData[i].separator && m_maskData[i].maskChar == searchChar) |
1316 | return i; |
1317 | } else { |
1318 | if (!m_maskData[i].separator) { |
1319 | if (searchChar.isNull()) |
1320 | return i; |
1321 | else if (isValidInput(key: searchChar, mask: m_maskData[i].maskChar)) |
1322 | return i; |
1323 | } |
1324 | } |
1325 | i += step; |
1326 | } |
1327 | return -1; |
1328 | } |
1329 | |
1330 | void QWidgetLineControl::internalUndo(int until) |
1331 | { |
1332 | if (!isUndoAvailable()) |
1333 | return; |
1334 | cancelPasswordEchoTimer(); |
1335 | internalDeselect(); |
1336 | |
1337 | while (m_undoState && m_undoState > until) { |
1338 | Command& cmd = m_history[--m_undoState]; |
1339 | switch (cmd.type) { |
1340 | case Insert: |
1341 | m_text.remove(i: cmd.pos, len: 1); |
1342 | m_cursor = cmd.pos; |
1343 | break; |
1344 | case SetSelection: |
1345 | m_selstart = cmd.selStart; |
1346 | m_selend = cmd.selEnd; |
1347 | m_cursor = cmd.pos; |
1348 | break; |
1349 | case Remove: |
1350 | case RemoveSelection: |
1351 | m_text.insert(i: cmd.pos, c: cmd.uc); |
1352 | m_cursor = cmd.pos + 1; |
1353 | break; |
1354 | case Delete: |
1355 | case DeleteSelection: |
1356 | m_text.insert(i: cmd.pos, c: cmd.uc); |
1357 | m_cursor = cmd.pos; |
1358 | break; |
1359 | case Separator: |
1360 | continue; |
1361 | } |
1362 | if (until < 0 && m_undoState) { |
1363 | Command& next = m_history[m_undoState-1]; |
1364 | if (next.type != cmd.type && next.type < RemoveSelection |
1365 | && (cmd.type < RemoveSelection || next.type == Separator)) |
1366 | break; |
1367 | } |
1368 | } |
1369 | m_textDirty = true; |
1370 | emitCursorPositionChanged(); |
1371 | } |
1372 | |
1373 | void QWidgetLineControl::internalRedo() |
1374 | { |
1375 | if (!isRedoAvailable()) |
1376 | return; |
1377 | internalDeselect(); |
1378 | while (m_undoState < (int)m_history.size()) { |
1379 | Command& cmd = m_history[m_undoState++]; |
1380 | switch (cmd.type) { |
1381 | case Insert: |
1382 | m_text.insert(i: cmd.pos, c: cmd.uc); |
1383 | m_cursor = cmd.pos + 1; |
1384 | break; |
1385 | case SetSelection: |
1386 | m_selstart = cmd.selStart; |
1387 | m_selend = cmd.selEnd; |
1388 | m_cursor = cmd.pos; |
1389 | break; |
1390 | case Remove: |
1391 | case Delete: |
1392 | case RemoveSelection: |
1393 | case DeleteSelection: |
1394 | m_text.remove(i: cmd.pos, len: 1); |
1395 | m_selstart = cmd.selStart; |
1396 | m_selend = cmd.selEnd; |
1397 | m_cursor = cmd.pos; |
1398 | break; |
1399 | case Separator: |
1400 | m_selstart = cmd.selStart; |
1401 | m_selend = cmd.selEnd; |
1402 | m_cursor = cmd.pos; |
1403 | break; |
1404 | } |
1405 | if (m_undoState < (int)m_history.size()) { |
1406 | Command& next = m_history[m_undoState]; |
1407 | if (next.type != cmd.type && cmd.type < RemoveSelection && next.type != Separator |
1408 | && (next.type < RemoveSelection || cmd.type == Separator)) |
1409 | break; |
1410 | } |
1411 | } |
1412 | m_textDirty = true; |
1413 | emitCursorPositionChanged(); |
1414 | } |
1415 | |
1416 | /*! |
1417 | \internal |
1418 | |
1419 | If the current cursor position differs from the last emitted cursor |
1420 | position, emits cursorPositionChanged(). |
1421 | */ |
1422 | void QWidgetLineControl::emitCursorPositionChanged() |
1423 | { |
1424 | if (m_cursor != m_lastCursorPos) { |
1425 | const int oldLast = m_lastCursorPos; |
1426 | m_lastCursorPos = m_cursor; |
1427 | cursorPositionChanged(oldLast, m_cursor); |
1428 | #ifndef QT_NO_ACCESSIBILITY |
1429 | // otherwise we send a selection update which includes the cursor |
1430 | if (!hasSelectedText()) { |
1431 | QAccessibleTextCursorEvent event(accessibleObject(), m_cursor); |
1432 | QAccessible::updateAccessibility(event: &event); |
1433 | } |
1434 | #endif |
1435 | } |
1436 | } |
1437 | |
1438 | #if QT_CONFIG(completer) |
1439 | // iterating forward(dir=1)/backward(dir=-1) from the |
1440 | // current row based. dir=0 indicates a new completion prefix was set. |
1441 | bool QWidgetLineControl::advanceToEnabledItem(int dir) |
1442 | { |
1443 | int start = m_completer->currentRow(); |
1444 | if (start == -1) |
1445 | return false; |
1446 | int i = start + dir; |
1447 | if (dir == 0) dir = 1; |
1448 | do { |
1449 | if (!m_completer->setCurrentRow(i)) { |
1450 | if (!m_completer->wrapAround()) |
1451 | break; |
1452 | i = i > 0 ? 0 : m_completer->completionCount() - 1; |
1453 | } else { |
1454 | QModelIndex currentIndex = m_completer->currentIndex(); |
1455 | if (m_completer->completionModel()->flags(index: currentIndex) & Qt::ItemIsEnabled) |
1456 | return true; |
1457 | i += dir; |
1458 | } |
1459 | } while (i != start); |
1460 | |
1461 | m_completer->setCurrentRow(start); // restore |
1462 | return false; |
1463 | } |
1464 | |
1465 | void QWidgetLineControl::complete(int key) |
1466 | { |
1467 | if (!m_completer || isReadOnly() || echoMode() != QLineEdit::Normal) |
1468 | return; |
1469 | |
1470 | QString text = this->text(); |
1471 | if (m_completer->completionMode() == QCompleter::InlineCompletion) { |
1472 | if (key == Qt::Key_Backspace) |
1473 | return; |
1474 | int n = 0; |
1475 | if (key == Qt::Key_Up || key == Qt::Key_Down) { |
1476 | if (textAfterSelection().length()) |
1477 | return; |
1478 | QString prefix = hasSelectedText() ? textBeforeSelection() |
1479 | : text; |
1480 | if (text.compare(s: m_completer->currentCompletion(), cs: m_completer->caseSensitivity()) != 0 |
1481 | || prefix.compare(s: m_completer->completionPrefix(), cs: m_completer->caseSensitivity()) != 0) { |
1482 | m_completer->setCompletionPrefix(prefix); |
1483 | } else { |
1484 | n = (key == Qt::Key_Up) ? -1 : +1; |
1485 | } |
1486 | } else { |
1487 | m_completer->setCompletionPrefix(text); |
1488 | } |
1489 | if (!advanceToEnabledItem(dir: n)) |
1490 | return; |
1491 | } else { |
1492 | #ifndef QT_KEYPAD_NAVIGATION |
1493 | if (text.isEmpty()) { |
1494 | if (auto * = QCompleterPrivate::get(o: m_completer)->popup) |
1495 | popup->hide(); |
1496 | return; |
1497 | } |
1498 | #endif |
1499 | m_completer->setCompletionPrefix(text); |
1500 | } |
1501 | |
1502 | m_completer->complete(); |
1503 | } |
1504 | #endif |
1505 | |
1506 | void QWidgetLineControl::setReadOnly(bool enable) |
1507 | { |
1508 | if (m_readOnly == enable) |
1509 | return; |
1510 | |
1511 | m_readOnly = enable; |
1512 | updateCursorBlinking(); |
1513 | } |
1514 | |
1515 | void QWidgetLineControl::setBlinkingCursorEnabled(bool enable) |
1516 | { |
1517 | if (m_blinkEnabled == enable) |
1518 | return; |
1519 | |
1520 | m_blinkEnabled = enable; |
1521 | |
1522 | if (enable) |
1523 | connect(sender: QGuiApplication::styleHints(), signal: &QStyleHints::cursorFlashTimeChanged, receiver: this, slot: &QWidgetLineControl::updateCursorBlinking); |
1524 | else |
1525 | disconnect(sender: QGuiApplication::styleHints(), signal: &QStyleHints::cursorFlashTimeChanged, receiver: this, slot: &QWidgetLineControl::updateCursorBlinking); |
1526 | |
1527 | updateCursorBlinking(); |
1528 | } |
1529 | |
1530 | void QWidgetLineControl::updateCursorBlinking() |
1531 | { |
1532 | if (m_blinkTimer) { |
1533 | killTimer(id: m_blinkTimer); |
1534 | m_blinkTimer = 0; |
1535 | } |
1536 | |
1537 | if (m_blinkEnabled && !m_readOnly) { |
1538 | int flashTime = QGuiApplication::styleHints()->cursorFlashTime(); |
1539 | if (flashTime >= 2) |
1540 | m_blinkTimer = startTimer(interval: flashTime / 2); |
1541 | } |
1542 | |
1543 | m_blinkStatus = 1; |
1544 | emit updateNeeded(inputMask().isEmpty() ? cursorRect() : QRect()); |
1545 | } |
1546 | |
1547 | // This is still used by QDeclarativeTextInput in the qtquick1 repo |
1548 | void QWidgetLineControl::resetCursorBlinkTimer() |
1549 | { |
1550 | if (!m_blinkEnabled || m_blinkTimer == 0) |
1551 | return; |
1552 | killTimer(id: m_blinkTimer); |
1553 | m_blinkTimer = 0; |
1554 | int flashTime = QGuiApplication::styleHints()->cursorFlashTime(); |
1555 | if (flashTime >= 2) |
1556 | m_blinkTimer = startTimer(interval: flashTime / 2); |
1557 | m_blinkStatus = 1; |
1558 | } |
1559 | |
1560 | void QWidgetLineControl::timerEvent(QTimerEvent *event) |
1561 | { |
1562 | if (event->timerId() == m_blinkTimer) { |
1563 | m_blinkStatus = !m_blinkStatus; |
1564 | emit updateNeeded(inputMask().isEmpty() ? cursorRect() : QRect()); |
1565 | } else if (event->timerId() == m_deleteAllTimer) { |
1566 | killTimer(id: m_deleteAllTimer); |
1567 | m_deleteAllTimer = 0; |
1568 | clear(); |
1569 | } else if (event->timerId() == m_tripleClickTimer) { |
1570 | killTimer(id: m_tripleClickTimer); |
1571 | m_tripleClickTimer = 0; |
1572 | } else if (event->timerId() == m_passwordEchoTimer) { |
1573 | killTimer(id: m_passwordEchoTimer); |
1574 | m_passwordEchoTimer = 0; |
1575 | updateDisplayText(); |
1576 | } |
1577 | } |
1578 | |
1579 | #ifndef QT_NO_SHORTCUT |
1580 | void QWidgetLineControl::processShortcutOverrideEvent(QKeyEvent *ke) |
1581 | { |
1582 | if (ke == QKeySequence::Copy |
1583 | || ke == QKeySequence::MoveToNextWord |
1584 | || ke == QKeySequence::MoveToPreviousWord |
1585 | || ke == QKeySequence::MoveToStartOfLine |
1586 | || ke == QKeySequence::MoveToEndOfLine |
1587 | || ke == QKeySequence::MoveToStartOfDocument |
1588 | || ke == QKeySequence::MoveToEndOfDocument |
1589 | || ke == QKeySequence::SelectNextWord |
1590 | || ke == QKeySequence::SelectPreviousWord |
1591 | || ke == QKeySequence::SelectStartOfLine |
1592 | || ke == QKeySequence::SelectEndOfLine |
1593 | || ke == QKeySequence::SelectStartOfBlock |
1594 | || ke == QKeySequence::SelectEndOfBlock |
1595 | || ke == QKeySequence::SelectStartOfDocument |
1596 | || ke == QKeySequence::SelectAll |
1597 | || ke == QKeySequence::SelectEndOfDocument) { |
1598 | ke->accept(); |
1599 | } else if (ke == QKeySequence::Paste |
1600 | || ke == QKeySequence::Cut |
1601 | || ke == QKeySequence::Redo |
1602 | || ke == QKeySequence::Undo |
1603 | || ke == QKeySequence::DeleteCompleteLine) { |
1604 | if (!isReadOnly()) |
1605 | ke->accept(); |
1606 | } else if (ke->modifiers() == Qt::NoModifier || ke->modifiers() == Qt::ShiftModifier |
1607 | || ke->modifiers() == Qt::KeypadModifier) { |
1608 | if (ke->key() < Qt::Key_Escape) { |
1609 | if (!isReadOnly()) |
1610 | ke->accept(); |
1611 | } else { |
1612 | switch (ke->key()) { |
1613 | case Qt::Key_Delete: |
1614 | case Qt::Key_Backspace: |
1615 | if (!isReadOnly()) |
1616 | ke->accept(); |
1617 | break; |
1618 | |
1619 | case Qt::Key_Home: |
1620 | case Qt::Key_End: |
1621 | case Qt::Key_Left: |
1622 | case Qt::Key_Right: |
1623 | ke->accept(); |
1624 | break; |
1625 | |
1626 | default: |
1627 | break; |
1628 | } |
1629 | } |
1630 | } |
1631 | } |
1632 | #endif |
1633 | |
1634 | void QWidgetLineControl::processKeyEvent(QKeyEvent* event) |
1635 | { |
1636 | bool inlineCompletionAccepted = false; |
1637 | |
1638 | #if QT_CONFIG(completer) |
1639 | if (m_completer) { |
1640 | QCompleter::CompletionMode completionMode = m_completer->completionMode(); |
1641 | auto * = QCompleterPrivate::get(o: m_completer)->popup; |
1642 | if ((completionMode == QCompleter::PopupCompletion |
1643 | || completionMode == QCompleter::UnfilteredPopupCompletion) |
1644 | && popup && popup->isVisible()) { |
1645 | // The following keys are forwarded by the completer to the widget |
1646 | // Ignoring the events lets the completer provide suitable default behavior |
1647 | switch (event->key()) { |
1648 | case Qt::Key_Escape: |
1649 | event->ignore(); |
1650 | return; |
1651 | default: |
1652 | break; // normal key processing |
1653 | } |
1654 | } else if (completionMode == QCompleter::InlineCompletion) { |
1655 | switch (event->key()) { |
1656 | case Qt::Key_Enter: |
1657 | case Qt::Key_Return: |
1658 | case Qt::Key_F4: |
1659 | #ifdef QT_KEYPAD_NAVIGATION |
1660 | case Qt::Key_Select: |
1661 | if (!QApplicationPrivate::keypadNavigationEnabled()) |
1662 | break; |
1663 | #endif |
1664 | if (!m_completer->currentCompletion().isEmpty() && hasSelectedText() |
1665 | && textAfterSelection().isEmpty()) { |
1666 | setText(m_completer->currentCompletion()); |
1667 | inlineCompletionAccepted = true; |
1668 | } |
1669 | default: |
1670 | break; // normal key processing |
1671 | } |
1672 | } |
1673 | } |
1674 | #endif // QT_CONFIG(completer) |
1675 | |
1676 | if (event->key() == Qt::Key_Enter || event->key() == Qt::Key_Return) { |
1677 | if (hasAcceptableInput() || fixup()) { |
1678 | |
1679 | QInputMethod *inputMethod = QGuiApplication::inputMethod(); |
1680 | inputMethod->commit(); |
1681 | QWidget *lineEdit = qobject_cast<QWidget *>(o: parent()); |
1682 | if (!(lineEdit && lineEdit->inputMethodHints() & Qt::ImhMultiLine)) |
1683 | inputMethod->hide(); |
1684 | |
1685 | emit accepted(); |
1686 | emit editingFinished(); |
1687 | } |
1688 | if (inlineCompletionAccepted) |
1689 | event->accept(); |
1690 | else |
1691 | event->ignore(); |
1692 | return; |
1693 | } |
1694 | |
1695 | if (echoMode() == QLineEdit::PasswordEchoOnEdit |
1696 | && !passwordEchoEditing() |
1697 | && !isReadOnly() |
1698 | && !event->text().isEmpty() |
1699 | #ifdef QT_KEYPAD_NAVIGATION |
1700 | && event->key() != Qt::Key_Select |
1701 | && event->key() != Qt::Key_Up |
1702 | && event->key() != Qt::Key_Down |
1703 | && event->key() != Qt::Key_Back |
1704 | #endif |
1705 | && !(event->modifiers() & Qt::ControlModifier)) { |
1706 | // Clear the edit and reset to normal echo mode while editing; the |
1707 | // echo mode switches back when the edit loses focus |
1708 | // ### resets current content. dubious code; you can |
1709 | // navigate with keys up, down, back, and select(?), but if you press |
1710 | // "left" or "right" it clears? |
1711 | updatePasswordEchoEditing(editing: true); |
1712 | clear(); |
1713 | } |
1714 | |
1715 | bool unknown = false; |
1716 | #if QT_CONFIG(shortcut) |
1717 | bool visual = cursorMoveStyle() == Qt::VisualMoveStyle; |
1718 | #endif |
1719 | |
1720 | if (false) { |
1721 | } |
1722 | #ifndef QT_NO_SHORTCUT |
1723 | else if (event == QKeySequence::Undo) { |
1724 | if (!isReadOnly()) |
1725 | undo(); |
1726 | } |
1727 | else if (event == QKeySequence::Redo) { |
1728 | if (!isReadOnly()) |
1729 | redo(); |
1730 | } |
1731 | else if (event == QKeySequence::SelectAll) { |
1732 | selectAll(); |
1733 | } |
1734 | #ifndef QT_NO_CLIPBOARD |
1735 | else if (event == QKeySequence::Copy) { |
1736 | copy(); |
1737 | } |
1738 | else if (event == QKeySequence::Paste) { |
1739 | if (!isReadOnly()) { |
1740 | QClipboard::Mode mode = QClipboard::Clipboard; |
1741 | if (m_keyboardScheme == QPlatformTheme::X11KeyboardScheme |
1742 | && event->modifiers() == (Qt::CTRL | Qt::SHIFT) |
1743 | && event->key() == Qt::Key_Insert) { |
1744 | mode = QClipboard::Selection; |
1745 | } |
1746 | paste(clipboardMode: mode); |
1747 | } |
1748 | } |
1749 | else if (event == QKeySequence::Cut) { |
1750 | if (!isReadOnly() && hasSelectedText()) { |
1751 | copy(); |
1752 | del(); |
1753 | } |
1754 | } |
1755 | else if (event == QKeySequence::DeleteEndOfLine) { |
1756 | if (!isReadOnly()) { |
1757 | setSelection(start: cursor(), length: end()); |
1758 | copy(); |
1759 | del(); |
1760 | } |
1761 | } |
1762 | #endif //QT_NO_CLIPBOARD |
1763 | else if (event == QKeySequence::MoveToStartOfLine || event == QKeySequence::MoveToStartOfBlock) { |
1764 | home(mark: 0); |
1765 | } |
1766 | else if (event == QKeySequence::MoveToEndOfLine || event == QKeySequence::MoveToEndOfBlock) { |
1767 | end(mark: 0); |
1768 | } |
1769 | else if (event == QKeySequence::SelectStartOfLine || event == QKeySequence::SelectStartOfBlock) { |
1770 | home(mark: 1); |
1771 | } |
1772 | else if (event == QKeySequence::SelectEndOfLine || event == QKeySequence::SelectEndOfBlock) { |
1773 | end(mark: 1); |
1774 | } |
1775 | else if (event == QKeySequence::MoveToNextChar) { |
1776 | #if !QT_CONFIG(completer) |
1777 | const bool inlineCompletion = false; |
1778 | #else |
1779 | const bool inlineCompletion = m_completer && m_completer->completionMode() == QCompleter::InlineCompletion; |
1780 | #endif |
1781 | if (hasSelectedText() |
1782 | && (m_keyboardScheme != QPlatformTheme::WindowsKeyboardScheme |
1783 | || inlineCompletion)) { |
1784 | moveCursor(pos: selectionEnd(), mark: false); |
1785 | } else { |
1786 | cursorForward(mark: 0, steps: visual ? 1 : (layoutDirection() == Qt::LeftToRight ? 1 : -1)); |
1787 | } |
1788 | } |
1789 | else if (event == QKeySequence::SelectNextChar) { |
1790 | cursorForward(mark: 1, steps: visual ? 1 : (layoutDirection() == Qt::LeftToRight ? 1 : -1)); |
1791 | } |
1792 | else if (event == QKeySequence::MoveToPreviousChar) { |
1793 | #if !QT_CONFIG(completer) |
1794 | const bool inlineCompletion = false; |
1795 | #else |
1796 | const bool inlineCompletion = m_completer && m_completer->completionMode() == QCompleter::InlineCompletion; |
1797 | #endif |
1798 | if (hasSelectedText() |
1799 | && (m_keyboardScheme != QPlatformTheme::WindowsKeyboardScheme |
1800 | || inlineCompletion)) { |
1801 | moveCursor(pos: selectionStart(), mark: false); |
1802 | } else { |
1803 | cursorForward(mark: 0, steps: visual ? -1 : (layoutDirection() == Qt::LeftToRight ? -1 : 1)); |
1804 | } |
1805 | } |
1806 | else if (event == QKeySequence::SelectPreviousChar) { |
1807 | cursorForward(mark: 1, steps: visual ? -1 : (layoutDirection() == Qt::LeftToRight ? -1 : 1)); |
1808 | } |
1809 | else if (event == QKeySequence::MoveToNextWord) { |
1810 | if (echoMode() == QLineEdit::Normal) |
1811 | layoutDirection() == Qt::LeftToRight ? cursorWordForward(mark: 0) : cursorWordBackward(mark: 0); |
1812 | else |
1813 | layoutDirection() == Qt::LeftToRight ? end(mark: 0) : home(mark: 0); |
1814 | } |
1815 | else if (event == QKeySequence::MoveToPreviousWord) { |
1816 | if (echoMode() == QLineEdit::Normal) |
1817 | layoutDirection() == Qt::LeftToRight ? cursorWordBackward(mark: 0) : cursorWordForward(mark: 0); |
1818 | else if (!isReadOnly()) { |
1819 | layoutDirection() == Qt::LeftToRight ? home(mark: 0) : end(mark: 0); |
1820 | } |
1821 | } |
1822 | else if (event == QKeySequence::SelectNextWord) { |
1823 | if (echoMode() == QLineEdit::Normal) |
1824 | layoutDirection() == Qt::LeftToRight ? cursorWordForward(mark: 1) : cursorWordBackward(mark: 1); |
1825 | else |
1826 | layoutDirection() == Qt::LeftToRight ? end(mark: 1) : home(mark: 1); |
1827 | } |
1828 | else if (event == QKeySequence::SelectPreviousWord) { |
1829 | if (echoMode() == QLineEdit::Normal) |
1830 | layoutDirection() == Qt::LeftToRight ? cursorWordBackward(mark: 1) : cursorWordForward(mark: 1); |
1831 | else |
1832 | layoutDirection() == Qt::LeftToRight ? home(mark: 1) : end(mark: 1); |
1833 | } |
1834 | else if (event == QKeySequence::Delete) { |
1835 | if (!isReadOnly()) |
1836 | del(); |
1837 | } |
1838 | else if (event == QKeySequence::DeleteEndOfWord) { |
1839 | if (!isReadOnly()) { |
1840 | cursorWordForward(mark: true); |
1841 | del(); |
1842 | } |
1843 | } |
1844 | else if (event == QKeySequence::DeleteStartOfWord) { |
1845 | if (!isReadOnly()) { |
1846 | cursorWordBackward(mark: true); |
1847 | if (hasSelectedText()) |
1848 | del(); |
1849 | } |
1850 | } else if (event == QKeySequence::DeleteCompleteLine) { |
1851 | if (!isReadOnly()) { |
1852 | setSelection(start: 0, length: text().size()); |
1853 | #ifndef QT_NO_CLIPBOARD |
1854 | copy(); |
1855 | #endif |
1856 | del(); |
1857 | } |
1858 | } |
1859 | #endif // QT_NO_SHORTCUT |
1860 | else { |
1861 | bool handled = false; |
1862 | if (m_keyboardScheme == QPlatformTheme::MacKeyboardScheme |
1863 | && (event->key() == Qt::Key_Up || event->key() == Qt::Key_Down)) { |
1864 | Qt::KeyboardModifiers myModifiers = (event->modifiers() & ~Qt::KeypadModifier); |
1865 | if (myModifiers & Qt::ShiftModifier) { |
1866 | if (myModifiers == (Qt::ControlModifier|Qt::ShiftModifier) |
1867 | || myModifiers == (Qt::AltModifier|Qt::ShiftModifier) |
1868 | || myModifiers == Qt::ShiftModifier) { |
1869 | |
1870 | event->key() == Qt::Key_Up ? home(mark: 1) : end(mark: 1); |
1871 | } |
1872 | } else { |
1873 | if ((myModifiers == Qt::ControlModifier |
1874 | || myModifiers == Qt::AltModifier |
1875 | || myModifiers == Qt::NoModifier)) { |
1876 | event->key() == Qt::Key_Up ? home(mark: 0) : end(mark: 0); |
1877 | } |
1878 | } |
1879 | handled = true; |
1880 | } |
1881 | if (event->modifiers() & Qt::ControlModifier) { |
1882 | switch (event->key()) { |
1883 | case Qt::Key_Backspace: |
1884 | if (!isReadOnly()) { |
1885 | cursorWordBackward(mark: true); |
1886 | del(); |
1887 | } |
1888 | break; |
1889 | #if QT_CONFIG(completer) |
1890 | case Qt::Key_Up: |
1891 | case Qt::Key_Down: |
1892 | complete(key: event->key()); |
1893 | break; |
1894 | #endif |
1895 | default: |
1896 | if (!handled) |
1897 | unknown = true; |
1898 | } |
1899 | } else { // ### check for *no* modifier |
1900 | switch (event->key()) { |
1901 | case Qt::Key_Backspace: |
1902 | if (!isReadOnly()) { |
1903 | backspace(); |
1904 | #if QT_CONFIG(completer) |
1905 | complete(key: Qt::Key_Backspace); |
1906 | #endif |
1907 | } |
1908 | break; |
1909 | #ifdef QT_KEYPAD_NAVIGATION |
1910 | case Qt::Key_Back: |
1911 | if (QApplicationPrivate::keypadNavigationEnabled() && !event->isAutoRepeat() |
1912 | && !isReadOnly()) { |
1913 | if (text().length() == 0) { |
1914 | setText(m_cancelText); |
1915 | |
1916 | if (passwordEchoEditing()) |
1917 | updatePasswordEchoEditing(false); |
1918 | |
1919 | emit editFocusChange(false); |
1920 | } else if (!m_deleteAllTimer) { |
1921 | m_deleteAllTimer = startTimer(750); |
1922 | } |
1923 | } else { |
1924 | unknown = true; |
1925 | } |
1926 | break; |
1927 | #endif |
1928 | default: |
1929 | if (!handled) |
1930 | unknown = true; |
1931 | } |
1932 | } |
1933 | } |
1934 | |
1935 | if (event->key() == Qt::Key_Direction_L || event->key() == Qt::Key_Direction_R) { |
1936 | setLayoutDirection((event->key() == Qt::Key_Direction_L) ? Qt::LeftToRight : Qt::RightToLeft); |
1937 | unknown = false; |
1938 | } |
1939 | |
1940 | if (unknown |
1941 | && !isReadOnly() |
1942 | && isAcceptableInput(event)) { |
1943 | insert(newText: event->text()); |
1944 | #if QT_CONFIG(completer) |
1945 | complete(key: event->key()); |
1946 | #endif |
1947 | event->accept(); |
1948 | return; |
1949 | } |
1950 | |
1951 | if (unknown) { |
1952 | event->ignore(); |
1953 | } else { |
1954 | #ifndef QT_NO_CLIPBOARD |
1955 | if (QApplication::clipboard()->supportsSelection()) |
1956 | copy(mode: QClipboard::Selection); |
1957 | #endif |
1958 | event->accept(); |
1959 | } |
1960 | } |
1961 | |
1962 | bool QWidgetLineControl::isUndoAvailable() const |
1963 | { |
1964 | // For security reasons undo is not available in any password mode (NoEcho included) |
1965 | // with the exception that the user can clear the password with undo. |
1966 | return !m_readOnly && m_undoState |
1967 | && (m_echoMode == QLineEdit::Normal || m_history[m_undoState - 1].type == QWidgetLineControl::Insert); |
1968 | } |
1969 | |
1970 | bool QWidgetLineControl::isRedoAvailable() const |
1971 | { |
1972 | // Same as with undo. Disabled for password modes. |
1973 | return !m_readOnly |
1974 | && m_echoMode == QLineEdit::Normal |
1975 | && m_undoState < int(m_history.size()); |
1976 | } |
1977 | |
1978 | QT_END_NAMESPACE |
1979 | |
1980 | #include "moc_qwidgetlinecontrol_p.cpp" |
1981 | |