tdesktop/Telegram/SourceFiles/ui/widgets/input_fields.cpp

4007 lines
119 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
It is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
*/
#include "ui/widgets/input_fields.h"
#include "ui/widgets/popup_menu.h"
#include "mainwindow.h"
#include "ui/countryinput.h"
#include "window/themes/window_theme.h"
#include "lang.h"
#include "numbers.h"
#include "messenger.h"
namespace Ui {
namespace {
template <typename InputClass>
class InputStyle : public QCommonStyle {
public:
InputStyle() {
setParent(QCoreApplication::instance());
}
void drawPrimitive(PrimitiveElement element, const QStyleOption *option, QPainter *painter, const QWidget *widget = 0) const {
}
QRect subElementRect(SubElement r, const QStyleOption *opt, const QWidget *widget = 0) const {
switch (r) {
case SE_LineEditContents:
const InputClass *w = widget ? qobject_cast<const InputClass*>(widget) : 0;
return w ? w->getTextRect() : QCommonStyle::subElementRect(r, opt, widget);
break;
}
return QCommonStyle::subElementRect(r, opt, widget);
}
static InputStyle<InputClass> *instance() {
if (!_instance) {
if (!QGuiApplication::instance()) {
return nullptr;
}
_instance = new InputStyle<InputClass>();
}
return _instance;
}
~InputStyle() {
_instance = nullptr;
}
private:
static InputStyle<InputClass> *_instance;
};
template <typename InputClass>
InputStyle<InputClass> *InputStyle<InputClass>::_instance = nullptr;
} // namespace
QByteArray FlatTextarea::serializeTagsList(const TagList &tags) {
if (tags.isEmpty()) {
return QByteArray();
}
QByteArray tagsSerialized;
{
QBuffer buffer(&tagsSerialized);
buffer.open(QIODevice::WriteOnly);
QDataStream stream(&buffer);
stream.setVersion(QDataStream::Qt_5_1);
stream << qint32(tags.size());
for_const (auto &tag, tags) {
stream << qint32(tag.offset) << qint32(tag.length) << tag.id;
}
}
return tagsSerialized;
}
FlatTextarea::TagList FlatTextarea::deserializeTagsList(QByteArray data, int textLength) {
TagList result;
if (data.isEmpty()) {
return result;
}
QBuffer buffer(&data);
buffer.open(QIODevice::ReadOnly);
QDataStream stream(&buffer);
stream.setVersion(QDataStream::Qt_5_1);
qint32 tagCount = 0;
stream >> tagCount;
if (stream.status() != QDataStream::Ok) {
return result;
}
if (tagCount <= 0 || tagCount > textLength) {
return result;
}
for (int i = 0; i < tagCount; ++i) {
qint32 offset = 0, length = 0;
QString id;
stream >> offset >> length >> id;
if (stream.status() != QDataStream::Ok) {
return result;
}
if (offset < 0 || length <= 0 || offset + length > textLength) {
return result;
}
result.push_back({ offset, length, id });
}
return result;
}
QString FlatTextarea::tagsMimeType() {
return qsl("application/x-td-field-tags");
}
FlatTextarea::FlatTextarea(QWidget *parent, const style::FlatTextarea &st, const QString &pholder, const QString &v, const TagList &tags) : TWidgetHelper<QTextEdit>(parent)
, _placeholderVisible(!v.length())
, _lastTextWithTags { v, tags }
, _st(st) {
setCursor(style::cur_text);
setAcceptRichText(false);
resize(_st.width, _st.font->height);
setFont(_st.font->f);
setAlignment(_st.align);
setPlaceholder(pholder);
subscribe(Window::Theme::Background(), [this](const Window::Theme::BackgroundUpdate &update) {
if (update.paletteChanged()) {
updatePalette();
}
});
updatePalette();
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setFrameStyle(QFrame::NoFrame | QFrame::Plain);
viewport()->setAutoFillBackground(false);
setContentsMargins(0, 0, 0, 0);
switch (cScale()) {
case dbisOneAndQuarter: _fakeMargin = 1; break;
case dbisOneAndHalf: _fakeMargin = 2; break;
case dbisTwo: _fakeMargin = 4; break;
}
setStyleSheet(qsl("QTextEdit { margin: %1px; }").arg(_fakeMargin));
viewport()->setAttribute(Qt::WA_AcceptTouchEvents);
_touchTimer.setSingleShot(true);
connect(&_touchTimer, SIGNAL(timeout()), this, SLOT(onTouchTimer()));
connect(document(), SIGNAL(contentsChange(int, int, int)), this, SLOT(onDocumentContentsChange(int, int, int)));
connect(document(), SIGNAL(contentsChanged()), this, SLOT(onDocumentContentsChanged()));
connect(this, SIGNAL(undoAvailable(bool)), this, SLOT(onUndoAvailable(bool)));
connect(this, SIGNAL(redoAvailable(bool)), this, SLOT(onRedoAvailable(bool)));
if (App::wnd()) connect(this, SIGNAL(selectionChanged()), App::wnd(), SLOT(updateGlobalMenu()));
if (!_lastTextWithTags.text.isEmpty()) {
setTextWithTags(_lastTextWithTags, ClearUndoHistory);
}
}
void FlatTextarea::updatePalette() {
auto p = palette();
p.setColor(QPalette::Text, _st.textColor->c);
setPalette(p);
}
TextWithTags FlatTextarea::getTextWithTagsPart(int start, int end) {
TextWithTags result;
result.text = getTextPart(start, end, &result.tags);
return result;
}
void FlatTextarea::setTextWithTags(const TextWithTags &textWithTags, UndoHistoryAction undoHistoryAction) {
_insertedTags = textWithTags.tags;
_insertedTagsAreFromMime = false;
_realInsertPosition = 0;
_realCharsAdded = textWithTags.text.size();
auto doc = document();
auto cursor = QTextCursor(doc->docHandle(), 0);
if (undoHistoryAction == ClearUndoHistory) {
doc->setUndoRedoEnabled(false);
cursor.beginEditBlock();
} else if (undoHistoryAction == MergeWithUndoHistory) {
cursor.joinPreviousEditBlock();
} else {
cursor.beginEditBlock();
}
cursor.movePosition(QTextCursor::End, QTextCursor::KeepAnchor);
cursor.insertText(textWithTags.text);
cursor.movePosition(QTextCursor::End);
cursor.endEditBlock();
if (undoHistoryAction == ClearUndoHistory) {
doc->setUndoRedoEnabled(true);
}
_insertedTags.clear();
_realInsertPosition = -1;
finishPlaceholder();
}
void FlatTextarea::finishPlaceholder() {
_a_placeholderFocused.finish();
_a_placeholderVisible.finish();
update();
}
void FlatTextarea::setMaxLength(int32 maxLength) {
_maxLength = maxLength;
}
void FlatTextarea::setMinHeight(int32 minHeight) {
_minHeight = minHeight;
heightAutoupdated();
}
void FlatTextarea::setMaxHeight(int32 maxHeight) {
_maxHeight = maxHeight;
heightAutoupdated();
}
bool FlatTextarea::heightAutoupdated() {
if (_minHeight < 0 || _maxHeight < 0 || _inHeightCheck) return false;
_inHeightCheck = true;
myEnsureResized(this);
int newh = ceil(document()->size().height()) + 2 * fakeMargin();
if (newh > _maxHeight) {
newh = _maxHeight;
} else if (newh < _minHeight) {
newh = _minHeight;
}
if (height() != newh) {
resize(width(), newh);
_inHeightCheck = false;
return true;
}
_inHeightCheck = false;
return false;
}
void FlatTextarea::onTouchTimer() {
_touchRightButton = true;
}
bool FlatTextarea::viewportEvent(QEvent *e) {
if (e->type() == QEvent::TouchBegin || e->type() == QEvent::TouchUpdate || e->type() == QEvent::TouchEnd || e->type() == QEvent::TouchCancel) {
QTouchEvent *ev = static_cast<QTouchEvent*>(e);
if (ev->device()->type() == QTouchDevice::TouchScreen) {
touchEvent(ev);
return QTextEdit::viewportEvent(e);
}
}
return QTextEdit::viewportEvent(e);
}
void FlatTextarea::touchEvent(QTouchEvent *e) {
switch (e->type()) {
case QEvent::TouchBegin:
if (_touchPress || e->touchPoints().isEmpty()) return;
_touchTimer.start(QApplication::startDragTime());
_touchPress = true;
_touchMove = _touchRightButton = false;
_touchStart = e->touchPoints().cbegin()->screenPos().toPoint();
break;
case QEvent::TouchUpdate:
if (!_touchPress || e->touchPoints().isEmpty()) return;
if (!_touchMove && (e->touchPoints().cbegin()->screenPos().toPoint() - _touchStart).manhattanLength() >= QApplication::startDragDistance()) {
_touchMove = true;
}
break;
case QEvent::TouchEnd:
if (!_touchPress) return;
if (!_touchMove && window()) {
Qt::MouseButton btn(_touchRightButton ? Qt::RightButton : Qt::LeftButton);
QPoint mapped(mapFromGlobal(_touchStart)), winMapped(window()->mapFromGlobal(_touchStart));
if (_touchRightButton) {
QContextMenuEvent contextEvent(QContextMenuEvent::Mouse, mapped, _touchStart);
contextMenuEvent(&contextEvent);
}
}
_touchTimer.stop();
_touchPress = _touchMove = _touchRightButton = false;
break;
case QEvent::TouchCancel:
_touchPress = false;
_touchTimer.stop();
break;
}
}
QRect FlatTextarea::getTextRect() const {
return rect().marginsRemoved(_st.textMrg + st::textRectMargins);
}
int32 FlatTextarea::fakeMargin() const {
return _fakeMargin;
}
void FlatTextarea::paintEvent(QPaintEvent *e) {
Painter p(viewport());
auto ms = getms();
auto r = rect().intersected(e->rect());
p.fillRect(r, _st.bgColor);
auto placeholderOpacity = _a_placeholderVisible.current(ms, _placeholderVisible ? 1. : 0.);
if (placeholderOpacity > 0.) {
p.setOpacity(placeholderOpacity);
auto placeholderLeft = anim::interpolate(_st.phShift, 0, placeholderOpacity);
p.save();
p.setClipRect(r);
p.setFont(_st.font);
p.setPen(anim::pen(_st.phColor, _st.phFocusColor, _a_placeholderFocused.current(ms, _focused ? 1. : 0.)));
if (_st.phAlign == style::al_topleft && _phAfter > 0) {
int skipWidth = placeholderSkipWidth();
p.drawText(_st.textMrg.left() - _fakeMargin + placeholderLeft + skipWidth, _st.textMrg.top() - _fakeMargin - st::lineWidth + _st.font->ascent, _ph);
} else {
QRect phRect(_st.textMrg.left() - _fakeMargin + _st.phPos.x() + placeholderLeft, _st.textMrg.top() - _fakeMargin + _st.phPos.y(), width() - _st.textMrg.left() - _st.textMrg.right(), height() - _st.textMrg.top() - _st.textMrg.bottom());
p.drawText(phRect, _ph, QTextOption(_st.phAlign));
}
p.restore();
p.setOpacity(1);
}
QTextEdit::paintEvent(e);
}
int FlatTextarea::placeholderSkipWidth() const {
if (!_phAfter) {
return 0;
}
auto text = getTextWithTags().text;
auto result = _st.font->width(text.mid(0, _phAfter));
if (_phAfter > text.size()) {
result += _st.font->spacew;
}
return result;
}
void FlatTextarea::focusInEvent(QFocusEvent *e) {
if (!_focused) {
_focused = true;
_a_placeholderFocused.start([this] { update(); }, 0., 1., _st.phDuration);
update();
}
QTextEdit::focusInEvent(e);
}
void FlatTextarea::focusOutEvent(QFocusEvent *e) {
if (_focused) {
_focused = false;
_a_placeholderFocused.start([this] { update(); }, 1., 0., _st.phDuration);
update();
}
QTextEdit::focusOutEvent(e);
}
QSize FlatTextarea::sizeHint() const {
return geometry().size();
}
QSize FlatTextarea::minimumSizeHint() const {
return geometry().size();
}
EmojiPtr FlatTextarea::getSingleEmoji() const {
QString text;
QTextFragment fragment;
getSingleEmojiFragment(text, fragment);
if (!text.isEmpty()) {
auto format = fragment.charFormat();
auto imageName = static_cast<QTextImageFormat*>(&format)->name();
return Ui::Emoji::FromUrl(imageName);
}
return nullptr;
}
QString FlatTextarea::getInlineBotQuery(UserData **outInlineBot, QString *outInlineBotUsername) const {
t_assert(outInlineBot != nullptr);
t_assert(outInlineBotUsername != nullptr);
auto &text = getTextWithTags().text;
auto textLength = text.size();
int inlineUsernameStart = 1, inlineUsernameLength = 0;
if (textLength > 2 && text.at(0) == '@' && text.at(1).isLetter()) {
inlineUsernameLength = 1;
for (int i = inlineUsernameStart + 1; i != textLength; ++i) {
if (text.at(i).isLetterOrNumber() || text.at(i).unicode() == '_') {
++inlineUsernameLength;
continue;
}
if (!text.at(i).isSpace()) {
inlineUsernameLength = 0;
}
break;
}
auto inlineUsernameEnd = inlineUsernameStart + inlineUsernameLength;
auto inlineUsernameEqualsText = (inlineUsernameEnd == textLength);
auto validInlineUsername = false;
if (inlineUsernameEqualsText) {
validInlineUsername = text.endsWith(qstr("bot"));
} else if (inlineUsernameEnd < textLength && inlineUsernameLength) {
validInlineUsername = text.at(inlineUsernameEnd).isSpace();
}
if (validInlineUsername) {
auto username = text.midRef(inlineUsernameStart, inlineUsernameLength);
if (username != *outInlineBotUsername) {
*outInlineBotUsername = username.toString();
auto peer = App::peerByName(*outInlineBotUsername);
if (peer) {
if (peer->isUser()) {
*outInlineBot = peer->asUser();
} else {
*outInlineBot = nullptr;
}
} else {
*outInlineBot = LookingUpInlineBot;
}
}
if (*outInlineBot == LookingUpInlineBot) return QString();
if (*outInlineBot && (!(*outInlineBot)->botInfo || (*outInlineBot)->botInfo->inlinePlaceholder.isEmpty())) {
*outInlineBot = nullptr;
} else {
return inlineUsernameEqualsText ? QString() : text.mid(inlineUsernameEnd + 1);
}
} else {
inlineUsernameLength = 0;
}
}
if (inlineUsernameLength < 3) {
*outInlineBot = nullptr;
*outInlineBotUsername = QString();
}
return QString();
}
QString FlatTextarea::getMentionHashtagBotCommandPart(bool &start) const {
start = false;
int32 pos = textCursor().position();
if (textCursor().anchor() != pos) return QString();
// check mention / hashtag / bot command
QTextDocument *doc(document());
QTextBlock block = doc->findBlock(pos);
for (QTextBlock::Iterator iter = block.begin(); !iter.atEnd(); ++iter) {
QTextFragment fr(iter.fragment());
if (!fr.isValid()) continue;
int32 p = fr.position(), e = (p + fr.length());
if (p >= pos || e < pos) continue;
QTextCharFormat f = fr.charFormat();
if (f.isImageFormat()) continue;
bool mentionInCommand = false;
QString t(fr.text());
for (int i = pos - p; i > 0; --i) {
if (t.at(i - 1) == '@') {
if ((pos - p - i < 1 || t.at(i).isLetter()) && (i < 2 || !(t.at(i - 2).isLetterOrNumber() || t.at(i - 2) == '_'))) {
start = (i == 1) && (p == 0);
return t.mid(i - 1, pos - p - i + 1);
} else if ((pos - p - i < 1 || t.at(i).isLetter()) && i > 2 && (t.at(i - 2).isLetterOrNumber() || t.at(i - 2) == '_') && !mentionInCommand) {
mentionInCommand = true;
--i;
continue;
}
return QString();
} else if (t.at(i - 1) == '#') {
if (i < 2 || !(t.at(i - 2).isLetterOrNumber() || t.at(i - 2) == '_')) {
start = (i == 1) && (p == 0);
return t.mid(i - 1, pos - p - i + 1);
}
return QString();
} else if (t.at(i - 1) == '/') {
if (i < 2) {
start = (i == 1) && (p == 0);
return t.mid(i - 1, pos - p - i + 1);
}
return QString();
}
if (pos - p - i > 127 || (!mentionInCommand && (pos - p - i > 63))) break;
if (!t.at(i - 1).isLetterOrNumber() && t.at(i - 1) != '_') break;
}
break;
}
return QString();
}
void FlatTextarea::insertTag(const QString &text, QString tagId) {
auto cursor = textCursor();
int32 pos = cursor.position();
auto doc = document();
auto block = doc->findBlock(pos);
for (auto iter = block.begin(); !iter.atEnd(); ++iter) {
auto fragment = iter.fragment();
t_assert(fragment.isValid());
int fragmentPosition = fragment.position();
int fragmentEnd = (fragmentPosition + fragment.length());
if (fragmentPosition >= pos || fragmentEnd < pos) continue;
auto format = fragment.charFormat();
if (format.isImageFormat()) continue;
bool mentionInCommand = false;
auto fragmentText = fragment.text();
for (int i = pos - fragmentPosition; i > 0; --i) {
auto previousChar = fragmentText.at(i - 1);
if (previousChar == '@' || previousChar == '#' || previousChar == '/') {
if ((i == pos - fragmentPosition || (previousChar == '/' ? fragmentText.at(i).isLetterOrNumber() : fragmentText.at(i).isLetter()) || previousChar == '#') &&
(i < 2 || !(fragmentText.at(i - 2).isLetterOrNumber() || fragmentText.at(i - 2) == '_'))) {
cursor.setPosition(fragmentPosition + i - 1);
int till = fragmentPosition + i;
for (; (till < fragmentEnd && till < pos); ++till) {
auto ch = fragmentText.at(till - fragmentPosition);
if (!ch.isLetterOrNumber() && ch != '_' && ch != '@') {
break;
}
}
if (till < fragmentEnd && fragmentText.at(till - fragmentPosition) == ' ') {
++till;
}
cursor.setPosition(till, QTextCursor::KeepAnchor);
break;
} else if ((i == pos - fragmentPosition || fragmentText.at(i).isLetter()) && fragmentText.at(i - 1) == '@' && i > 2 && (fragmentText.at(i - 2).isLetterOrNumber() || fragmentText.at(i - 2) == '_') && !mentionInCommand) {
mentionInCommand = true;
--i;
continue;
}
break;
}
if (pos - fragmentPosition - i > 127 || (!mentionInCommand && (pos - fragmentPosition - i > 63))) break;
if (!fragmentText.at(i - 1).isLetterOrNumber() && fragmentText.at(i - 1) != '_') break;
}
break;
}
if (tagId.isEmpty()) {
QTextCharFormat format = cursor.charFormat();
format.setAnchor(false);
format.setAnchorName(QString());
format.clearForeground();
cursor.insertText(text + ' ', format);
} else {
_insertedTags.clear();
_insertedTags.push_back({ 0, text.size(), tagId });
_insertedTagsAreFromMime = false;
cursor.insertText(text + ' ');
_insertedTags.clear();
}
}
void FlatTextarea::setTagMimeProcessor(std::unique_ptr<TagMimeProcessor> &&processor) {
_tagMimeProcessor = std::move(processor);
}
void FlatTextarea::getSingleEmojiFragment(QString &text, QTextFragment &fragment) const {
int32 end = textCursor().position(), start = end - 1;
if (textCursor().anchor() != end) return;
if (start < 0) start = 0;
QTextDocument *doc(document());
QTextBlock from = doc->findBlock(start), till = doc->findBlock(end);
if (till.isValid()) till = till.next();
for (QTextBlock b = from; b != till; b = b.next()) {
for (QTextBlock::Iterator iter = b.begin(); !iter.atEnd(); ++iter) {
QTextFragment fr(iter.fragment());
if (!fr.isValid()) continue;
int32 p = fr.position(), e = (p + fr.length());
if (p >= end || e <= start) {
continue;
}
QTextCharFormat f = fr.charFormat();
QString t(fr.text());
if (p < start) {
t = t.mid(start - p, end - start);
} else if (e > end) {
t = t.mid(0, end - p);
}
if (f.isImageFormat() && !t.isEmpty() && t.at(0).unicode() == QChar::ObjectReplacementCharacter) {
auto imageName = static_cast<QTextImageFormat*>(&f)->name();
if (Ui::Emoji::FromUrl(imageName)) {
fragment = fr;
text = t;
return;
}
}
return;
}
}
return;
}
void FlatTextarea::removeSingleEmoji() {
QString text;
QTextFragment fragment;
getSingleEmojiFragment(text, fragment);
if (!text.isEmpty()) {
QTextCursor t(textCursor());
t.setPosition(fragment.position());
t.setPosition(fragment.position() + fragment.length(), QTextCursor::KeepAnchor);
t.removeSelectedText();
setTextCursor(t);
}
}
namespace {
class TagAccumulator {
public:
TagAccumulator(FlatTextarea::TagList *tags) : _tags(tags) {
}
bool changed() const {
return _changed;
}
void feed(const QString &randomTagId, int currentPosition) {
if (randomTagId == _currentTagId) return;
if (!_currentTagId.isEmpty()) {
int randomPartPosition = _currentTagId.lastIndexOf('/');
t_assert(randomPartPosition > 0);
bool tagChanged = true;
if (_currentTag < _tags->size()) {
auto &alreadyTag = _tags->at(_currentTag);
if (alreadyTag.offset == _currentStart &&
alreadyTag.length == currentPosition - _currentStart &&
alreadyTag.id == _currentTagId.midRef(0, randomPartPosition)) {
tagChanged = false;
}
}
if (tagChanged) {
_changed = true;
TextWithTags::Tag tag = {
_currentStart,
currentPosition - _currentStart,
_currentTagId.mid(0, randomPartPosition),
};
if (_currentTag < _tags->size()) {
(*_tags)[_currentTag] = tag;
} else {
_tags->push_back(tag);
}
}
++_currentTag;
}
_currentTagId = randomTagId;
_currentStart = currentPosition;
};
void finish() {
if (_currentTag < _tags->size()) {
_tags->resize(_currentTag);
_changed = true;
}
}
private:
FlatTextarea::TagList *_tags;
bool _changed = false;
int _currentTag = 0;
int _currentStart = 0;
QString _currentTagId;
};
} // namespace
QString FlatTextarea::getTextPart(int start, int end, TagList *outTagsList, bool *outTagsChanged) const {
if (end >= 0 && end <= start) return QString();
if (start < 0) start = 0;
bool full = (start == 0) && (end < 0);
TagAccumulator tagAccumulator(outTagsList);
QTextDocument *doc(document());
QTextBlock from = full ? doc->begin() : doc->findBlock(start), till = (end < 0) ? doc->end() : doc->findBlock(end);
if (till.isValid()) till = till.next();
int32 possibleLen = 0;
for (QTextBlock b = from; b != till; b = b.next()) {
possibleLen += b.length();
}
QString result;
result.reserve(possibleLen + 1);
if (!full && end < 0) {
end = possibleLen;
}
bool tillFragmentEnd = full;
for (auto b = from; b != till; b = b.next()) {
for (auto iter = b.begin(); !iter.atEnd(); ++iter) {
QTextFragment fragment(iter.fragment());
if (!fragment.isValid()) continue;
int32 p = full ? 0 : fragment.position(), e = full ? 0 : (p + fragment.length());
if (!full) {
tillFragmentEnd = (e <= end);
if (p == end) {
tagAccumulator.feed(fragment.charFormat().anchorName(), result.size());
}
if (p >= end) {
break;
}
if (e <= start) {
continue;
}
}
if (full || p >= start) {
tagAccumulator.feed(fragment.charFormat().anchorName(), result.size());
}
QTextCharFormat f = fragment.charFormat();
QString emojiText;
QString t(fragment.text());
if (!full) {
if (p < start) {
t = t.mid(start - p, end - start);
} else if (e > end) {
t = t.mid(0, end - p);
}
}
QChar *ub = t.data(), *uc = ub, *ue = uc + t.size();
for (; uc != ue; ++uc) {
switch (uc->unicode()) {
case 0xfdd0: // QTextBeginningOfFrame
case 0xfdd1: // QTextEndOfFrame
case QChar::ParagraphSeparator:
case QChar::LineSeparator: {
*uc = QLatin1Char('\n');
} break;
case QChar::Nbsp: {
*uc = QLatin1Char(' ');
} break;
case QChar::ObjectReplacementCharacter: {
if (emojiText.isEmpty() && f.isImageFormat()) {
auto imageName = static_cast<QTextImageFormat*>(&f)->name();
if (auto emoji = Ui::Emoji::FromUrl(imageName)) {
emojiText = emoji->text();
}
}
if (uc > ub) result.append(ub, uc - ub);
if (!emojiText.isEmpty()) result.append(emojiText);
ub = uc + 1;
} break;
}
}
if (uc > ub) result.append(ub, uc - ub);
}
result.append('\n');
}
result.chop(1);
if (tillFragmentEnd) tagAccumulator.feed(QString(), result.size());
tagAccumulator.finish();
if (outTagsChanged) {
*outTagsChanged = tagAccumulator.changed();
}
return result;
}
bool FlatTextarea::hasText() const {
QTextDocument *doc(document());
QTextBlock from = doc->begin(), till = doc->end();
if (from == till) return false;
for (QTextBlock::Iterator iter = from.begin(); !iter.atEnd(); ++iter) {
QTextFragment fragment(iter.fragment());
if (!fragment.isValid()) continue;
if (!fragment.text().isEmpty()) return true;
}
return (from.next() != till);
}
bool FlatTextarea::isUndoAvailable() const {
return _undoAvailable;
}
bool FlatTextarea::isRedoAvailable() const {
return _redoAvailable;
}
void FlatTextarea::parseLinks() { // some code is duplicated in text.cpp!
LinkRanges newLinks;
QString text(toPlainText());
if (text.isEmpty()) {
if (!_links.isEmpty()) {
_links.clear();
emit linksChanged();
}
return;
}
initLinkSets();
int32 len = text.size();
const QChar *start = text.unicode(), *end = start + text.size();
for (int32 offset = 0, matchOffset = offset; offset < len;) {
QRegularExpressionMatch m = reDomain().match(text, matchOffset);
if (!m.hasMatch()) break;
int32 domainOffset = m.capturedStart();
QString protocol = m.captured(1).toLower();
QString topDomain = m.captured(3).toLower();
bool isProtocolValid = protocol.isEmpty() || validProtocols().contains(hashCrc32(protocol.constData(), protocol.size() * sizeof(QChar)));
bool isTopDomainValid = !protocol.isEmpty() || validTopDomains().contains(hashCrc32(topDomain.constData(), topDomain.size() * sizeof(QChar)));
if (protocol.isEmpty() && domainOffset > offset + 1 && *(start + domainOffset - 1) == QChar('@')) {
QString forMailName = text.mid(offset, domainOffset - offset - 1);
QRegularExpressionMatch mMailName = reMailName().match(forMailName);
if (mMailName.hasMatch()) {
offset = matchOffset = m.capturedEnd();
continue;
}
}
if (!isProtocolValid || !isTopDomainValid) {
offset = matchOffset = m.capturedEnd();
continue;
}
QStack<const QChar*> parenth;
const QChar *domainEnd = start + m.capturedEnd(), *p = domainEnd;
for (; p < end; ++p) {
QChar ch(*p);
if (chIsLinkEnd(ch)) break; // link finished
if (chIsAlmostLinkEnd(ch)) {
const QChar *endTest = p + 1;
while (endTest < end && chIsAlmostLinkEnd(*endTest)) {
++endTest;
}
if (endTest >= end || chIsLinkEnd(*endTest)) {
break; // link finished at p
}
p = endTest;
ch = *p;
}
if (ch == '(' || ch == '[' || ch == '{' || ch == '<') {
parenth.push(p);
} else if (ch == ')' || ch == ']' || ch == '}' || ch == '>') {
if (parenth.isEmpty()) break;
const QChar *q = parenth.pop(), open(*q);
if ((ch == ')' && open != '(') || (ch == ']' && open != '[') || (ch == '}' && open != '{') || (ch == '>' && open != '<')) {
p = q;
break;
}
}
}
if (p > domainEnd) { // check, that domain ended
if (domainEnd->unicode() != '/' && domainEnd->unicode() != '?') {
matchOffset = domainEnd - start;
continue;
}
}
newLinks.push_back({ domainOffset - 1, static_cast<int>(p - start - domainOffset + 2) });
offset = matchOffset = p - start;
}
if (newLinks != _links) {
_links = newLinks;
emit linksChanged();
}
}
QStringList FlatTextarea::linksList() const {
QStringList result;
if (!_links.isEmpty()) {
QString text(toPlainText());
for_const (auto &link, _links) {
result.push_back(text.mid(link.start + 1, link.length - 2));
}
}
return result;
}
void FlatTextarea::insertFromMimeData(const QMimeData *source) {
auto mime = tagsMimeType();
auto text = source->text();
if (source->hasFormat(mime)) {
auto tagsData = source->data(mime);
_insertedTags = deserializeTagsList(tagsData, text.size());
_insertedTagsAreFromMime = true;
} else {
_insertedTags.clear();
}
auto cursor = textCursor();
_realInsertPosition = qMin(cursor.position(), cursor.anchor());
_realCharsAdded = text.size();
QTextEdit::insertFromMimeData(source);
if (!_inDrop) {
emit spacedReturnedPasted();
_insertedTags.clear();
_realInsertPosition = -1;
}
}
void FlatTextarea::insertEmoji(EmojiPtr emoji, QTextCursor c) {
QTextImageFormat imageFormat;
auto ew = Ui::Emoji::Size() + st::emojiPadding * cIntRetinaFactor() * 2;
auto eh = _st.font->height * cIntRetinaFactor();
imageFormat.setWidth(ew / cIntRetinaFactor());
imageFormat.setHeight(eh / cIntRetinaFactor());
imageFormat.setName(emoji->toUrl());
imageFormat.setVerticalAlignment(QTextCharFormat::AlignBaseline);
if (c.charFormat().isAnchor()) {
imageFormat.setAnchor(true);
imageFormat.setAnchorName(c.charFormat().anchorName());
imageFormat.setForeground(st::defaultTextPalette.linkFg);
}
static QString objectReplacement(QChar::ObjectReplacementCharacter);
c.insertText(objectReplacement, imageFormat);
}
QVariant FlatTextarea::loadResource(int type, const QUrl &name) {
auto imageName = name.toDisplayString();
if (auto emoji = Ui::Emoji::FromUrl(imageName)) {
return QVariant(App::emojiSingle(emoji, _st.font->height));
}
return QVariant();
}
void FlatTextarea::checkContentHeight() {
if (heightAutoupdated()) {
emit resized();
}
}
namespace {
// Optimization: with null page size document does not re-layout
// on each insertText / mergeCharFormat.
void prepareFormattingOptimization(QTextDocument *document) {
if (!document->pageSize().isNull()) {
document->setPageSize(QSizeF(0, 0));
}
}
void removeTags(style::color textFg, QTextDocument *document, int from, int end) {
QTextCursor c(document->docHandle(), 0);
c.setPosition(from);
c.setPosition(end, QTextCursor::KeepAnchor);
QTextCharFormat format;
format.setAnchor(false);
format.setAnchorName(QString());
format.setForeground(textFg);
c.mergeCharFormat(format);
}
// Returns the position of the first inserted tag or "changedEnd" value if none found.
int processInsertedTags(style::color textFg, QTextDocument *document, int changedPosition, int changedEnd, const FlatTextarea::TagList &tags, FlatTextarea::TagMimeProcessor *processor) {
int firstTagStart = changedEnd;
int applyNoTagFrom = changedEnd;
for_const (auto &tag, tags) {
int tagFrom = changedPosition + tag.offset;
int tagTo = tagFrom + tag.length;
accumulate_max(tagFrom, changedPosition);
accumulate_min(tagTo, changedEnd);
auto tagId = processor ? processor->tagFromMimeTag(tag.id) : tag.id;
if (tagTo > tagFrom && !tagId.isEmpty()) {
accumulate_min(firstTagStart, tagFrom);
prepareFormattingOptimization(document);
if (applyNoTagFrom < tagFrom) {
removeTags(textFg, document, applyNoTagFrom, tagFrom);
}
QTextCursor c(document->docHandle(), 0);
c.setPosition(tagFrom);
c.setPosition(tagTo, QTextCursor::KeepAnchor);
QTextCharFormat format;
format.setAnchor(true);
format.setAnchorName(tagId + '/' + QString::number(rand_value<uint32>()));
format.setForeground(st::defaultTextPalette.linkFg);
c.mergeCharFormat(format);
applyNoTagFrom = tagTo;
}
}
if (applyNoTagFrom < changedEnd) {
removeTags(textFg, document, applyNoTagFrom, changedEnd);
}
return firstTagStart;
}
// When inserting a part of text inside a tag we need to have
// a way to know if the insertion replaced the end of the tag
// or it was strictly inside (in the middle) of the tag.
bool wasInsertTillTheEndOfTag(QTextBlock block, QTextBlock::iterator fragmentIt, int insertionEnd) {
auto insertTagName = fragmentIt.fragment().charFormat().anchorName();
while (true) {
for (; !fragmentIt.atEnd(); ++fragmentIt) {
auto fragment = fragmentIt.fragment();
bool fragmentOutsideInsertion = (fragment.position() >= insertionEnd);
if (fragmentOutsideInsertion) {
return (fragment.charFormat().anchorName() != insertTagName);
}
int fragmentEnd = fragment.position() + fragment.length();
bool notFullFragmentInserted = (fragmentEnd > insertionEnd);
if (notFullFragmentInserted) {
return false;
}
}
if (block.isValid()) {
fragmentIt = block.begin();
block = block.next();
} else {
break;
}
}
// Insertion goes till the end of the text => not strictly inside a tag.
return true;
}
struct FormattingAction {
enum class Type {
Invalid,
InsertEmoji,
TildeFont,
RemoveTag,
};
Type type = Type::Invalid;
EmojiPtr emoji = nullptr;
bool isTilde = false;
int intervalStart = 0;
int intervalEnd = 0;
};
} // namespace
void FlatTextarea::processFormatting(int insertPosition, int insertEnd) {
// Tilde formatting.
auto tildeFormatting = !cRetina() && (font().pixelSize() == 13) && (font().family() == qstr("Open Sans"));
auto isTildeFragment = false;
auto tildeRegularFont = tildeFormatting ? qsl("Open Sans") : QString();
auto tildeFixedFont = tildeFormatting ? Fonts::GetOverride(qsl("Open Sans Semibold")) : QString();
// First tag handling (the one we inserted text to).
bool startTagFound = false;
bool breakTagOnNotLetter = false;
auto doc = document();
// Apply inserted tags.
auto insertedTagsProcessor = _insertedTagsAreFromMime ? _tagMimeProcessor.get() : nullptr;
int breakTagOnNotLetterTill = processInsertedTags(_st.textColor, doc, insertPosition, insertEnd,
_insertedTags, insertedTagsProcessor);
using ActionType = FormattingAction::Type;
while (true) {
FormattingAction action;
auto fromBlock = doc->findBlock(insertPosition);
auto tillBlock = doc->findBlock(insertEnd);
if (tillBlock.isValid()) tillBlock = tillBlock.next();
for (auto block = fromBlock; block != tillBlock; block = block.next()) {
for (auto fragmentIt = block.begin(); !fragmentIt.atEnd(); ++fragmentIt) {
auto fragment = fragmentIt.fragment();
t_assert(fragment.isValid());
int fragmentPosition = fragment.position();
if (insertPosition >= fragmentPosition + fragment.length()) {
continue;
}
int changedPositionInFragment = insertPosition - fragmentPosition; // Can be negative.
int changedEndInFragment = insertEnd - fragmentPosition;
if (changedEndInFragment <= 0) {
break;
}
auto charFormat = fragment.charFormat();
if (tildeFormatting) {
isTildeFragment = (charFormat.fontFamily() == tildeFixedFont);
}
auto fragmentText = fragment.text();
auto *textStart = fragmentText.constData();
auto *textEnd = textStart + fragmentText.size();
if (!startTagFound) {
startTagFound = true;
auto tagName = charFormat.anchorName();
if (!tagName.isEmpty()) {
breakTagOnNotLetter = wasInsertTillTheEndOfTag(block, fragmentIt, insertEnd);
}
}
auto *ch = textStart + qMax(changedPositionInFragment, 0);
for (; ch < textEnd; ++ch) {
int emojiLength = 0;
if (auto emoji = Ui::Emoji::Find(ch, textEnd, &emojiLength)) {
// Replace emoji if no current action is prepared.
if (action.type == ActionType::Invalid) {
action.type = ActionType::InsertEmoji;
action.emoji = emoji;
action.intervalStart = fragmentPosition + (ch - textStart);
action.intervalEnd = action.intervalStart + emojiLength;
}
break;
}
if (breakTagOnNotLetter && !ch->isLetter()) {
// Remove tag name till the end if no current action is prepared.
if (action.type != ActionType::Invalid) {
break;
}
breakTagOnNotLetter = false;
if (fragmentPosition + (ch - textStart) < breakTagOnNotLetterTill) {
action.type = ActionType::RemoveTag;
action.intervalStart = fragmentPosition + (ch - textStart);
action.intervalEnd = breakTagOnNotLetterTill;
break;
}
}
if (tildeFormatting) { // Tilde symbol fix in OpenSans.
bool tilde = (ch->unicode() == '~');
if ((tilde && !isTildeFragment) || (!tilde && isTildeFragment)) {
if (action.type == ActionType::Invalid) {
action.type = ActionType::TildeFont;
action.intervalStart = fragmentPosition + (ch - textStart);
action.intervalEnd = action.intervalStart + 1;
action.isTilde = tilde;
} else {
++action.intervalEnd;
}
} else if (action.type == ActionType::TildeFont) {
break;
}
}
if (ch + 1 < textEnd && ch->isHighSurrogate() && (ch + 1)->isLowSurrogate()) {
++ch;
++fragmentPosition;
}
}
if (action.type != ActionType::Invalid) break;
}
if (action.type != ActionType::Invalid) break;
}
if (action.type != ActionType::Invalid) {
prepareFormattingOptimization(doc);
QTextCursor c(doc->docHandle(), 0);
c.setPosition(action.intervalStart);
c.setPosition(action.intervalEnd, QTextCursor::KeepAnchor);
if (action.type == ActionType::InsertEmoji) {
insertEmoji(action.emoji, c);
insertPosition = action.intervalStart + 1;
} else if (action.type == ActionType::RemoveTag) {
QTextCharFormat format;
format.setAnchor(false);
format.setAnchorName(QString());
format.setForeground(_st.textColor);
c.mergeCharFormat(format);
} else if (action.type == ActionType::TildeFont) {
QTextCharFormat format;
format.setFontFamily(action.isTilde ? tildeFixedFont : tildeRegularFont);
c.mergeCharFormat(format);
insertPosition = action.intervalEnd;
}
} else {
break;
}
}
}
void FlatTextarea::onDocumentContentsChange(int position, int charsRemoved, int charsAdded) {
if (_correcting) return;
int insertPosition = (_realInsertPosition >= 0) ? _realInsertPosition : position;
int insertLength = (_realInsertPosition >= 0) ? _realCharsAdded : charsAdded;
int removePosition = position;
int removeLength = charsRemoved;
QTextCursor(document()->docHandle(), 0).joinPreviousEditBlock();
_correcting = true;
if (_maxLength >= 0) {
QTextCursor c(document()->docHandle(), 0);
c.movePosition(QTextCursor::End);
int32 fullSize = c.position(), toRemove = fullSize - _maxLength;
if (toRemove > 0) {
if (toRemove > insertLength) {
if (insertLength) {
c.setPosition(insertPosition);
c.setPosition((insertPosition + insertLength), QTextCursor::KeepAnchor);
c.removeSelectedText();
}
c.setPosition(fullSize - (toRemove - insertLength));
c.setPosition(fullSize, QTextCursor::KeepAnchor);
c.removeSelectedText();
} else {
c.setPosition(insertPosition + (insertLength - toRemove));
c.setPosition(insertPosition + insertLength, QTextCursor::KeepAnchor);
c.removeSelectedText();
}
}
}
_correcting = false;
if (insertPosition == removePosition) {
if (!_links.isEmpty()) {
bool changed = false;
for (auto i = _links.begin(); i != _links.end();) {
if (i->start + i->length <= insertPosition) {
++i;
} else if (i->start >= removePosition + removeLength) {
i->start += insertLength - removeLength;
++i;
} else {
i = _links.erase(i);
changed = true;
}
}
if (changed) emit linksChanged();
}
} else {
parseLinks();
}
if (document()->availableRedoSteps() > 0) {
QTextCursor(document()->docHandle(), 0).endEditBlock();
return;
}
if (insertLength <= 0) {
QTextCursor(document()->docHandle(), 0).endEditBlock();
return;
}
_correcting = true;
auto pageSize = document()->pageSize();
processFormatting(insertPosition, insertPosition + insertLength);
if (document()->pageSize() != pageSize) {
document()->setPageSize(pageSize);
}
_correcting = false;
QTextCursor(document()->docHandle(), 0).endEditBlock();
}
void FlatTextarea::onDocumentContentsChanged() {
if (_correcting) return;
auto tagsChanged = false;
auto curText = getTextPart(0, -1, &_lastTextWithTags.tags, &tagsChanged);
_correcting = true;
correctValue(_lastTextWithTags.text, curText, _lastTextWithTags.tags);
_correcting = false;
bool textOrTagsChanged = tagsChanged || (_lastTextWithTags.text != curText);
if (textOrTagsChanged) {
_lastTextWithTags.text = curText;
emit changed();
checkContentHeight();
}
updatePlaceholder();
if (App::wnd()) App::wnd()->updateGlobalMenu();
}
void FlatTextarea::onUndoAvailable(bool avail) {
_undoAvailable = avail;
if (App::wnd()) App::wnd()->updateGlobalMenu();
}
void FlatTextarea::onRedoAvailable(bool avail) {
_redoAvailable = avail;
if (App::wnd()) App::wnd()->updateGlobalMenu();
}
void FlatTextarea::setPlaceholder(const QString &ph, int32 afterSymbols) {
_ph = ph;
if (_phAfter != afterSymbols) {
_phAfter = afterSymbols;
updatePlaceholder();
}
int skipWidth = placeholderSkipWidth();
_phelided = _st.font->elided(_ph, width() - _st.textMrg.left() - _st.textMrg.right() - _st.phPos.x() - 1 - skipWidth);
if (_placeholderVisible) update();
}
void FlatTextarea::updatePlaceholder() {
auto placeholderVisible = (getTextWithTags().text.size() <= _phAfter);
if (_placeholderVisible != placeholderVisible) {
_placeholderVisible = placeholderVisible;
_a_placeholderVisible.start([this] { update(); }, _placeholderVisible ? 0. : 1., _placeholderVisible ? 1. : 0., _st.phDuration);
}
}
QMimeData *FlatTextarea::createMimeDataFromSelection() const {
QMimeData *result = new QMimeData();
QTextCursor c(textCursor());
int32 start = c.selectionStart(), end = c.selectionEnd();
if (end > start) {
TagList tags;
result->setText(getTextPart(start, end, &tags));
if (!tags.isEmpty()) {
if (_tagMimeProcessor) {
for (auto &tag : tags) {
tag.id = _tagMimeProcessor->mimeTagFromTag(tag.id);
}
}
result->setData(tagsMimeType(), serializeTagsList(tags));
}
}
return result;
}
void FlatTextarea::setSubmitSettings(SubmitSettings settings) {
_submitSettings = settings;
}
void FlatTextarea::keyPressEvent(QKeyEvent *e) {
bool shift = e->modifiers().testFlag(Qt::ShiftModifier);
bool macmeta = (cPlatform() == dbipMac || cPlatform() == dbipMacOld) && e->modifiers().testFlag(Qt::ControlModifier) && !e->modifiers().testFlag(Qt::MetaModifier) && !e->modifiers().testFlag(Qt::AltModifier);
bool ctrl = e->modifiers().testFlag(Qt::ControlModifier) || e->modifiers().testFlag(Qt::MetaModifier);
bool enterSubmit = (ctrl && shift);
if (ctrl && _submitSettings != SubmitSettings::None && _submitSettings != SubmitSettings::Enter) {
enterSubmit = true;
}
if (!ctrl && !shift && _submitSettings != SubmitSettings::None && _submitSettings != SubmitSettings::CtrlEnter) {
enterSubmit = true;
}
bool enter = (e->key() == Qt::Key_Enter || e->key() == Qt::Key_Return);
if (macmeta && e->key() == Qt::Key_Backspace) {
QTextCursor tc(textCursor()), start(tc);
start.movePosition(QTextCursor::StartOfLine);
tc.setPosition(start.position(), QTextCursor::KeepAnchor);
tc.removeSelectedText();
} else if (enter && enterSubmit) {
emit submitted(ctrl && shift);
} else if (e->key() == Qt::Key_Escape) {
emit cancelled();
} else if (e->key() == Qt::Key_Tab || (ctrl && e->key() == Qt::Key_Backtab)) {
if (ctrl) {
e->ignore();
} else {
emit tabbed();
}
} else if (e->key() == Qt::Key_Search || e == QKeySequence::Find) {
e->ignore();
#ifdef Q_OS_MAC
} else if (e->key() == Qt::Key_E && e->modifiers().testFlag(Qt::ControlModifier)) {
auto cursor = textCursor();
int start = cursor.selectionStart(), end = cursor.selectionEnd();
if (end > start) {
TagList tags;
QApplication::clipboard()->setText(getTextPart(start, end, &tags), QClipboard::FindBuffer);
}
#endif // Q_OS_MAC
} else {
QTextCursor tc(textCursor());
if (enter && ctrl) {
e->setModifiers(e->modifiers() & ~Qt::ControlModifier);
}
bool spaceOrReturn = false;
QString t(e->text());
if (!t.isEmpty() && t.size() < 3) {
if (t.at(0) == '\n' || t.at(0) == '\r' || t.at(0).isSpace() || t.at(0) == QChar::LineSeparator) {
spaceOrReturn = true;
}
}
QTextEdit::keyPressEvent(e);
if (tc == textCursor()) {
bool check = false;
if (e->key() == Qt::Key_PageUp || e->key() == Qt::Key_Up) {
tc.movePosition(QTextCursor::Start, e->modifiers().testFlag(Qt::ShiftModifier) ? QTextCursor::KeepAnchor : QTextCursor::MoveAnchor);
check = true;
} else if (e->key() == Qt::Key_PageDown || e->key() == Qt::Key_Down) {
tc.movePosition(QTextCursor::End, e->modifiers().testFlag(Qt::ShiftModifier) ? QTextCursor::KeepAnchor : QTextCursor::MoveAnchor);
check = true;
}
if (check) {
if (tc == textCursor()) {
e->ignore();
} else {
setTextCursor(tc);
}
}
}
if (spaceOrReturn) emit spacedReturnedPasted();
}
}
void FlatTextarea::resizeEvent(QResizeEvent *e) {
_phelided = _st.font->elided(_ph, width() - _st.textMrg.left() - _st.textMrg.right() - _st.phPos.x() - 1);
QTextEdit::resizeEvent(e);
checkContentHeight();
}
void FlatTextarea::mousePressEvent(QMouseEvent *e) {
QTextEdit::mousePressEvent(e);
}
void FlatTextarea::dropEvent(QDropEvent *e) {
_inDrop = true;
QTextEdit::dropEvent(e);
_inDrop = false;
_insertedTags.clear();
_realInsertPosition = -1;
emit spacedReturnedPasted();
}
void FlatTextarea::contextMenuEvent(QContextMenuEvent *e) {
if (auto menu = createStandardContextMenu()) {
(new Ui::PopupMenu(nullptr, menu))->popup(e->globalPos());
}
}
FlatInput::FlatInput(QWidget *parent, const style::FlatInput &st, const QString &pholder, const QString &v) : TWidgetHelper<QLineEdit>(v, parent)
, _oldtext(v)
, _fullph(pholder)
, _placeholderVisible(!v.length())
, _st(st) {
setCursor(style::cur_text);
resize(_st.width, _st.height);
setFont(_st.font->f);
setAlignment(_st.align);
subscribe(Window::Theme::Background(), [this](const Window::Theme::BackgroundUpdate &update) {
if (update.paletteChanged()) {
updatePalette();
}
});
updatePalette();
connect(this, SIGNAL(textChanged(const QString &)), this, SLOT(onTextChange(const QString &)));
connect(this, SIGNAL(textEdited(const QString &)), this, SLOT(onTextEdited()));
if (App::wnd()) connect(this, SIGNAL(selectionChanged()), App::wnd(), SLOT(updateGlobalMenu()));
setStyle(InputStyle<FlatInput>::instance());
QLineEdit::setTextMargins(0, 0, 0, 0);
setContentsMargins(0, 0, 0, 0);
setAttribute(Qt::WA_AcceptTouchEvents);
_touchTimer.setSingleShot(true);
connect(&_touchTimer, SIGNAL(timeout()), this, SLOT(onTouchTimer()));
}
void FlatInput::updatePalette() {
auto p = palette();
p.setColor(QPalette::Text, _st.textColor->c);
setPalette(p);
}
void FlatInput::customUpDown(bool custom) {
_customUpDown = custom;
}
void FlatInput::onTouchTimer() {
_touchRightButton = true;
}
bool FlatInput::event(QEvent *e) {
if (e->type() == QEvent::TouchBegin || e->type() == QEvent::TouchUpdate || e->type() == QEvent::TouchEnd || e->type() == QEvent::TouchCancel) {
QTouchEvent *ev = static_cast<QTouchEvent*>(e);
if (ev->device()->type() == QTouchDevice::TouchScreen) {
touchEvent(ev);
return QLineEdit::event(e);
}
}
return QLineEdit::event(e);
}
void FlatInput::touchEvent(QTouchEvent *e) {
switch (e->type()) {
case QEvent::TouchBegin:
if (_touchPress || e->touchPoints().isEmpty()) return;
_touchTimer.start(QApplication::startDragTime());
_touchPress = true;
_touchMove = _touchRightButton = false;
_touchStart = e->touchPoints().cbegin()->screenPos().toPoint();
break;
case QEvent::TouchUpdate:
if (!_touchPress || e->touchPoints().isEmpty()) return;
if (!_touchMove && (e->touchPoints().cbegin()->screenPos().toPoint() - _touchStart).manhattanLength() >= QApplication::startDragDistance()) {
_touchMove = true;
}
break;
case QEvent::TouchEnd:
if (!_touchPress) return;
if (!_touchMove && window()) {
Qt::MouseButton btn(_touchRightButton ? Qt::RightButton : Qt::LeftButton);
QPoint mapped(mapFromGlobal(_touchStart)), winMapped(window()->mapFromGlobal(_touchStart));
if (_touchRightButton) {
QContextMenuEvent contextEvent(QContextMenuEvent::Mouse, mapped, _touchStart);
contextMenuEvent(&contextEvent);
}
}
_touchTimer.stop();
_touchPress = _touchMove = _touchRightButton = false;
break;
case QEvent::TouchCancel:
_touchPress = false;
_touchTimer.stop();
break;
}
}
QRect FlatInput::getTextRect() const {
return rect().marginsRemoved(_st.textMrg + QMargins(-2, -1, -2, -1));
}
void FlatInput::paintEvent(QPaintEvent *e) {
Painter p(this);
auto ms = getms();
auto placeholderFocused = _a_placeholderFocused.current(ms, _focused ? 1. : 0.);
auto pen = anim::pen(_st.borderColor, _st.borderActive, placeholderFocused);
pen.setWidth(_st.borderWidth);
p.setPen(pen);
p.setBrush(anim::brush(_st.bgColor, _st.bgActive, placeholderFocused));
{
PainterHighQualityEnabler hq(p);
p.drawRoundedRect(QRectF(0, 0, width(), height()).marginsRemoved(QMarginsF(_st.borderWidth / 2., _st.borderWidth / 2., _st.borderWidth / 2., _st.borderWidth / 2.)), st::buttonRadius - (_st.borderWidth / 2.), st::buttonRadius - (_st.borderWidth / 2.));
}
if (!_st.icon.empty()) {
_st.icon.paint(p, 0, 0, width());
}
auto placeholderOpacity = _a_placeholderVisible.current(ms, _placeholderVisible ? 1. : 0.);
if (placeholderOpacity > 0.) {
p.setOpacity(placeholderOpacity);
auto left = anim::interpolate(_st.phShift, 0, placeholderOpacity);
p.save();
p.setClipRect(rect());
QRect phRect(placeholderRect());
phRect.moveLeft(phRect.left() + left);
phPrepare(p, placeholderFocused);
p.drawText(phRect, _ph, QTextOption(_st.phAlign));
p.restore();
}
QLineEdit::paintEvent(e);
}
void FlatInput::focusInEvent(QFocusEvent *e) {
if (!_focused) {
_focused = true;
_a_placeholderFocused.start([this] { update(); }, 0., 1., _st.phDuration);
update();
}
QLineEdit::focusInEvent(e);
emit focused();
}
void FlatInput::focusOutEvent(QFocusEvent *e) {
if (_focused) {
_focused = false;
_a_placeholderFocused.start([this] { update(); }, 1., 0., _st.phDuration);
update();
}
QLineEdit::focusOutEvent(e);
emit blurred();
}
void FlatInput::resizeEvent(QResizeEvent *e) {
updatePlaceholderText();
return QLineEdit::resizeEvent(e);
}
void FlatInput::updatePlaceholderText() {
int32 availw = width() - _st.textMrg.left() - _st.textMrg.right() - _st.phPos.x() - 1;
if (_st.font->width(_fullph) > availw) {
_ph = _st.font->elided(_fullph, availw);
} else {
_ph = _fullph;
}
update();
}
void FlatInput::contextMenuEvent(QContextMenuEvent *e) {
if (auto menu = createStandardContextMenu()) {
(new Ui::PopupMenu(nullptr, menu))->popup(e->globalPos());
}
}
QSize FlatInput::sizeHint() const {
return geometry().size();
}
QSize FlatInput::minimumSizeHint() const {
return geometry().size();
}
void FlatInput::updatePlaceholder() {
auto placeholderVisible = text().isEmpty();
if (_placeholderVisible != placeholderVisible) {
_placeholderVisible = placeholderVisible;
_a_placeholderVisible.start([this] { update(); }, _placeholderVisible ? 0. : 1., _placeholderVisible ? 1. : 0., _st.phDuration);
}
}
const QString &FlatInput::placeholder() const {
return _fullph;
}
QRect FlatInput::placeholderRect() const {
return QRect(_st.textMrg.left() + _st.phPos.x(), _st.textMrg.top() + _st.phPos.y(), width() - _st.textMrg.left() - _st.textMrg.right(), height() - _st.textMrg.top() - _st.textMrg.bottom());
}
void FlatInput::correctValue(const QString &was, QString &now) {
}
void FlatInput::phPrepare(Painter &p, float64 placeholderFocused) {
p.setFont(_st.font);
p.setPen(anim::pen(_st.phColor, _st.phFocusColor, placeholderFocused));
}
void FlatInput::keyPressEvent(QKeyEvent *e) {
QString wasText(_oldtext);
bool shift = e->modifiers().testFlag(Qt::ShiftModifier), alt = e->modifiers().testFlag(Qt::AltModifier);
bool ctrl = e->modifiers().testFlag(Qt::ControlModifier) || e->modifiers().testFlag(Qt::MetaModifier), ctrlGood = true;
if (_customUpDown && (e->key() == Qt::Key_Up || e->key() == Qt::Key_Down)) {
e->ignore();
} else {
QLineEdit::keyPressEvent(e);
}
QString newText(text());
if (wasText == newText) { // call correct manually
correctValue(wasText, newText);
_oldtext = newText;
if (wasText != _oldtext) emit changed();
updatePlaceholder();
}
if (e->key() == Qt::Key_Escape) {
emit cancelled();
} else if (e->key() == Qt::Key_Return || e->key() == Qt::Key_Enter) {
emit submitted(ctrl && shift);
#ifdef Q_OS_MAC
} else if (e->key() == Qt::Key_E && e->modifiers().testFlag(Qt::ControlModifier)) {
auto selected = selectedText();
if (!selected.isEmpty() && echoMode() == QLineEdit::Normal) {
QApplication::clipboard()->setText(selected, QClipboard::FindBuffer);
}
#endif // Q_OS_MAC
}
}
void FlatInput::onTextEdited() {
QString wasText(_oldtext), newText(text());
correctValue(wasText, newText);
_oldtext = newText;
if (wasText != _oldtext) emit changed();
updatePlaceholder();
if (App::wnd()) App::wnd()->updateGlobalMenu();
}
void FlatInput::onTextChange(const QString &text) {
_oldtext = text;
if (App::wnd()) App::wnd()->updateGlobalMenu();
}
InputArea::InputArea(QWidget *parent, const style::InputField &st, const QString &ph, const QString &val) : TWidget(parent)
, _st(st)
, _inner(this)
, _oldtext(val)
, _placeholderFull(ph) {
_inner->setAcceptRichText(false);
resize(_st.width, _st.heightMin);
setAttribute(Qt::WA_OpaquePaintEvent);
_inner->setFont(_st.font->f);
createPlaceholderPath();
subscribe(Window::Theme::Background(), [this](const Window::Theme::BackgroundUpdate &update) {
if (update.paletteChanged()) {
updatePalette();
}
});
updatePalette();
_inner->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
_inner->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
_inner->setFrameStyle(QFrame::NoFrame | QFrame::Plain);
_inner->viewport()->setAutoFillBackground(false);
_inner->setContentsMargins(0, 0, 0, 0);
_inner->document()->setDocumentMargin(0);
setAttribute(Qt::WA_AcceptTouchEvents);
_inner->viewport()->setAttribute(Qt::WA_AcceptTouchEvents);
_touchTimer.setSingleShot(true);
connect(&_touchTimer, SIGNAL(timeout()), this, SLOT(onTouchTimer()));
connect(_inner->document(), SIGNAL(contentsChange(int,int,int)), this, SLOT(onDocumentContentsChange(int,int,int)));
connect(_inner->document(), SIGNAL(contentsChanged()), this, SLOT(onDocumentContentsChanged()));
connect(_inner, SIGNAL(undoAvailable(bool)), this, SLOT(onUndoAvailable(bool)));
connect(_inner, SIGNAL(redoAvailable(bool)), this, SLOT(onRedoAvailable(bool)));
if (App::wnd()) connect(_inner, SIGNAL(selectionChanged()), App::wnd(), SLOT(updateGlobalMenu()));
setCursor(style::cur_text);
heightAutoupdated();
if (!val.isEmpty()) {
_inner->setPlainText(val);
}
_inner->document()->clearUndoRedoStacks();
startBorderAnimation();
startPlaceholderAnimation();
finishAnimations();
}
void InputArea::updatePalette() {
auto p = palette();
p.setColor(QPalette::Text, _st.textFg->c);
setPalette(p);
}
void InputArea::onTouchTimer() {
_touchRightButton = true;
}
bool InputArea::heightAutoupdated() {
if (_st.heightMin < 0 || _st.heightMax < 0 || _inHeightCheck) return false;
_inHeightCheck = true;
myEnsureResized(this);
int newh = qCeil(_inner->document()->size().height()) + _st.textMargins.top() + _st.textMargins.bottom();
if (newh > _st.heightMax) {
newh = _st.heightMax;
} else if (newh < _st.heightMin) {
newh = _st.heightMin;
}
if (height() != newh) {
resize(width(), newh);
_inHeightCheck = false;
return true;
}
_inHeightCheck = false;
return false;
}
void InputArea::checkContentHeight() {
if (heightAutoupdated()) {
emit resized();
}
}
InputArea::Inner::Inner(InputArea *parent) : QTextEdit(parent) {
}
bool InputArea::Inner::viewportEvent(QEvent *e) {
if (e->type() == QEvent::TouchBegin || e->type() == QEvent::TouchUpdate || e->type() == QEvent::TouchEnd || e->type() == QEvent::TouchCancel) {
QTouchEvent *ev = static_cast<QTouchEvent*>(e);
if (ev->device()->type() == QTouchDevice::TouchScreen) {
qobject_cast<InputArea*>(parentWidget())->touchEvent(ev);
return QTextEdit::viewportEvent(e);
}
}
return QTextEdit::viewportEvent(e);
}
void InputArea::touchEvent(QTouchEvent *e) {
switch (e->type()) {
case QEvent::TouchBegin:
if (_touchPress || e->touchPoints().isEmpty()) return;
_touchTimer.start(QApplication::startDragTime());
_touchPress = true;
_touchMove = _touchRightButton = false;
_touchStart = e->touchPoints().cbegin()->screenPos().toPoint();
break;
case QEvent::TouchUpdate:
if (!_touchPress || e->touchPoints().isEmpty()) return;
if (!_touchMove && (e->touchPoints().cbegin()->screenPos().toPoint() - _touchStart).manhattanLength() >= QApplication::startDragDistance()) {
_touchMove = true;
}
break;
case QEvent::TouchEnd:
if (!_touchPress) return;
if (!_touchMove && window()) {
Qt::MouseButton btn(_touchRightButton ? Qt::RightButton : Qt::LeftButton);
QPoint mapped(mapFromGlobal(_touchStart)), winMapped(window()->mapFromGlobal(_touchStart));
if (_touchRightButton) {
QContextMenuEvent contextEvent(QContextMenuEvent::Mouse, mapped, _touchStart);
contextMenuEvent(&contextEvent);
}
}
_touchTimer.stop();
_touchPress = _touchMove = _touchRightButton = false;
break;
case QEvent::TouchCancel:
_touchPress = false;
_touchTimer.stop();
break;
}
}
void InputArea::paintEvent(QPaintEvent *e) {
Painter p(this);
auto ms = getms();
auto r = rect().intersected(e->rect());
p.fillRect(r, _st.textBg);
if (_st.border) {
p.fillRect(0, height() - _st.border, width(), _st.border, _st.borderFg);
}
auto errorDegree = _a_error.current(ms, _error ? 1. : 0.);
auto focusedDegree = _a_focused.current(ms, _focused ? 1. : 0.);
auto borderShownDegree = _a_borderShown.current(ms, 1.);
auto borderOpacity = _a_borderOpacity.current(ms, _borderVisible ? 1. : 0.);
if (_st.borderActive && (borderOpacity > 0.)) {
auto borderStart = snap(_borderAnimationStart, 0, width());
auto borderFrom = qRound(borderStart * (1. - borderShownDegree));
auto borderTo = borderStart + qRound((width() - borderStart) * borderShownDegree);
if (borderTo > borderFrom) {
auto borderFg = anim::brush(_st.borderFgActive, _st.borderFgError, errorDegree);
p.setOpacity(borderOpacity);
p.fillRect(borderFrom, height() - _st.borderActive, borderTo - borderFrom, _st.borderActive, borderFg);
p.setOpacity(1);
}
}
if (_st.placeholderScale > 0. && !_placeholderPath.isEmpty()) {
auto placeholderShiftDegree = _a_placeholderShifted.current(ms, _placeholderShifted ? 1. : 0.);
p.save();
p.setClipRect(r);
auto placeholderTop = anim::interpolate(0, _st.placeholderShift, placeholderShiftDegree);
QRect r(rect().marginsRemoved(_st.textMargins + _st.placeholderMargins));
r.moveTop(r.top() + placeholderTop);
if (rtl()) r.moveLeft(width() - r.left() - r.width());
auto placeholderScale = 1. - (1. - _st.placeholderScale) * placeholderShiftDegree;
auto placeholderFg = anim::color(_st.placeholderFg, _st.placeholderFgActive, focusedDegree);
placeholderFg = anim::color(placeholderFg, _st.placeholderFgError, errorDegree);
PainterHighQualityEnabler hq(p);
p.setPen(Qt::NoPen);
p.setBrush(placeholderFg);
p.translate(r.topLeft());
p.scale(placeholderScale, placeholderScale);
p.drawPath(_placeholderPath);
p.restore();
} else if (!_placeholder.isEmpty()) {
auto placeholderHiddenDegree = _a_placeholderShifted.current(ms, _placeholderShifted ? 1. : 0.);
if (placeholderHiddenDegree < 1.) {
p.setOpacity(1. - placeholderHiddenDegree);
p.save();
p.setClipRect(r);
auto placeholderLeft = anim::interpolate(0, -_st.placeholderShift, placeholderHiddenDegree);
auto r = rect().marginsRemoved(_st.textMargins + _st.placeholderMargins);
r.moveLeft(r.left() + placeholderLeft);
if (rtl()) r.moveLeft(width() - r.left() - r.width());
p.setFont(_st.font);
p.setPen(anim::pen(_st.placeholderFg, _st.placeholderFgActive, focusedDegree));
p.drawText(r, _placeholder, _st.placeholderAlign);
p.restore();
}
}
TWidget::paintEvent(e);
}
void InputArea::startBorderAnimation() {
auto borderVisible = (_error || _focused);
if (_borderVisible != borderVisible) {
_borderVisible = borderVisible;
if (_borderVisible) {
if (_a_borderOpacity.animating()) {
_a_borderOpacity.start([this] { update(); }, 0., 1., _st.duration);
} else {
_a_borderShown.start([this] { update(); }, 0., 1., _st.duration);
}
} else {
_a_borderOpacity.start([this] { update(); }, 1., 0., _st.duration);
}
}
}
void InputArea::focusInEvent(QFocusEvent *e) {
_borderAnimationStart = (e->reason() == Qt::MouseFocusReason) ? mapFromGlobal(QCursor::pos()).x() : (width() / 2);
QTimer::singleShot(0, this, SLOT(onFocusInner()));
}
void InputArea::mousePressEvent(QMouseEvent *e) {
_borderAnimationStart = e->pos().x();
QTimer::singleShot(0, this, SLOT(onFocusInner()));
}
void InputArea::onFocusInner() {
auto borderStart = _borderAnimationStart;
_inner->setFocus();
_borderAnimationStart = borderStart;
}
void InputArea::contextMenuEvent(QContextMenuEvent *e) {
_inner->contextMenuEvent(e);
}
void InputArea::Inner::focusInEvent(QFocusEvent *e) {
f()->focusInInner(e->reason() == Qt::MouseFocusReason);
QTextEdit::focusInEvent(e);
emit f()->focused();
}
void InputArea::focusInInner(bool focusByMouse) {
_borderAnimationStart = focusByMouse ? mapFromGlobal(QCursor::pos()).x() : (width() / 2);
setFocused(true);
}
void InputArea::Inner::focusOutEvent(QFocusEvent *e) {
f()->focusOutInner();
QTextEdit::focusOutEvent(e);
emit f()->blurred();
}
void InputArea::focusOutInner() {
setFocused(false);
}
void InputArea::setFocused(bool focused) {
if (_focused != focused) {
_focused = focused;
_a_focused.start([this] { update(); }, _focused ? 0. : 1., _focused ? 1. : 0., _st.duration);
startPlaceholderAnimation();
startBorderAnimation();
}
}
QSize InputArea::sizeHint() const {
return geometry().size();
}
QSize InputArea::minimumSizeHint() const {
return geometry().size();
}
QString InputArea::getText(int32 start, int32 end) const {
if (end >= 0 && end <= start) return QString();
if (start < 0) start = 0;
bool full = (start == 0) && (end < 0);
QTextDocument *doc(_inner->document());
QTextBlock from = full ? doc->begin() : doc->findBlock(start), till = (end < 0) ? doc->end() : doc->findBlock(end);
if (till.isValid()) till = till.next();
int32 possibleLen = 0;
for (QTextBlock b = from; b != till; b = b.next()) {
possibleLen += b.length();
}
QString result;
result.reserve(possibleLen + 1);
if (!full && end < 0) {
end = possibleLen;
}
for (QTextBlock b = from; b != till; b = b.next()) {
for (QTextBlock::Iterator iter = b.begin(); !iter.atEnd(); ++iter) {
QTextFragment fragment(iter.fragment());
if (!fragment.isValid()) continue;
int32 p = full ? 0 : fragment.position(), e = full ? 0 : (p + fragment.length());
if (!full) {
if (p >= end || e <= start) {
continue;
}
}
QTextCharFormat f = fragment.charFormat();
QString emojiText;
QString t(fragment.text());
if (!full) {
if (p < start) {
t = t.mid(start - p, end - start);
} else if (e > end) {
t = t.mid(0, end - p);
}
}
QChar *ub = t.data(), *uc = ub, *ue = uc + t.size();
for (; uc != ue; ++uc) {
switch (uc->unicode()) {
case 0xfdd0: // QTextBeginningOfFrame
case 0xfdd1: // QTextEndOfFrame
case QChar::ParagraphSeparator:
case QChar::LineSeparator: {
*uc = QLatin1Char('\n');
} break;
case QChar::Nbsp: {
*uc = QLatin1Char(' ');
} break;
case QChar::ObjectReplacementCharacter: {
if (emojiText.isEmpty() && f.isImageFormat()) {
auto imageName = static_cast<QTextImageFormat*>(&f)->name();
if (auto emoji = Ui::Emoji::FromUrl(imageName)) {
emojiText = emoji->text();
}
}
if (uc > ub) result.append(ub, uc - ub);
if (!emojiText.isEmpty()) result.append(emojiText);
ub = uc + 1;
} break;
}
}
if (uc > ub) result.append(ub, uc - ub);
}
result.append('\n');
}
result.chop(1);
return result;
}
bool InputArea::hasText() const {
QTextDocument *doc(_inner->document());
QTextBlock from = doc->begin(), till = doc->end();
if (from == till) return false;
for (QTextBlock::Iterator iter = from.begin(); !iter.atEnd(); ++iter) {
QTextFragment fragment(iter.fragment());
if (!fragment.isValid()) continue;
if (!fragment.text().isEmpty()) return true;
}
return (from.next() != till);
}
bool InputArea::isUndoAvailable() const {
return _undoAvailable;
}
bool InputArea::isRedoAvailable() const {
return _redoAvailable;
}
void InputArea::insertEmoji(EmojiPtr emoji, QTextCursor c) {
QTextImageFormat imageFormat;
auto ew = Ui::Emoji::Size() + st::emojiPadding * cIntRetinaFactor() * 2;
auto eh = _st.font->height * cIntRetinaFactor();
imageFormat.setWidth(ew / cIntRetinaFactor());
imageFormat.setHeight(eh / cIntRetinaFactor());
imageFormat.setName(emoji->toUrl());
imageFormat.setVerticalAlignment(QTextCharFormat::AlignBaseline);
static QString objectReplacement(QChar::ObjectReplacementCharacter);
c.insertText(objectReplacement, imageFormat);
}
QVariant InputArea::Inner::loadResource(int type, const QUrl &name) {
auto imageName = name.toDisplayString();
if (auto emoji = Ui::Emoji::FromUrl(imageName)) {
return QVariant(App::emojiSingle(emoji, f()->_st.font->height));
}
return QVariant();
}
void InputArea::processDocumentContentsChange(int position, int charsAdded) {
int32 replacePosition = -1, replaceLen = 0;
EmojiPtr emoji = nullptr;
// Tilde formatting.
auto tildeFormatting = !cRetina() && (font().pixelSize() == 13) && (font().family() == qstr("Open Sans"));
auto isTildeFragment = false;
auto tildeRegularFont = tildeFormatting ? qsl("Open Sans") : QString();
auto tildeFixedFont = tildeFormatting ? Fonts::GetOverride(qsl("Open Sans Semibold")) : QString();
QTextDocument *doc(_inner->document());
QTextCursor c(_inner->textCursor());
c.joinPreviousEditBlock();
while (true) {
int32 start = position, end = position + charsAdded;
QTextBlock from = doc->findBlock(start), till = doc->findBlock(end);
if (till.isValid()) till = till.next();
for (QTextBlock b = from; b != till; b = b.next()) {
for (QTextBlock::Iterator iter = b.begin(); !iter.atEnd(); ++iter) {
QTextFragment fragment(iter.fragment());
if (!fragment.isValid()) continue;
int32 fp = fragment.position(), fe = fp + fragment.length();
if (fp >= end || fe <= start) {
continue;
}
if (tildeFormatting) {
isTildeFragment = (fragment.charFormat().fontFamily() == tildeFixedFont);
}
QString t(fragment.text());
const QChar *ch = t.constData(), *e = ch + t.size();
for (; ch != e; ++ch, ++fp) {
int32 emojiLen = 0;
emoji = Ui::Emoji::Find(ch, e, &emojiLen);
if (emoji) {
if (replacePosition >= 0) {
emoji = 0; // replace tilde char format first
} else {
replacePosition = fp;
replaceLen = emojiLen;
}
break;
}
if (tildeFormatting && fp >= position) { // tilde fix in OpenSans
bool tilde = (ch->unicode() == '~');
if ((tilde && !isTildeFragment) || (!tilde && isTildeFragment)) {
if (replacePosition < 0) {
replacePosition = fp;
replaceLen = 1;
} else {
++replaceLen;
}
} else if (replacePosition >= 0) {
break;
}
}
if (ch + 1 < e && ch->isHighSurrogate() && (ch + 1)->isLowSurrogate()) {
++ch;
++fp;
}
}
if (replacePosition >= 0) break;
}
if (replacePosition >= 0) break;
}
if (replacePosition >= 0) {
if (!_inner->document()->pageSize().isNull()) {
_inner->document()->setPageSize(QSizeF(0, 0));
}
QTextCursor c(doc->docHandle(), 0);
c.setPosition(replacePosition);
c.setPosition(replacePosition + replaceLen, QTextCursor::KeepAnchor);
if (emoji) {
insertEmoji(emoji, c);
} else {
QTextCharFormat format;
format.setFontFamily(isTildeFragment ? tildeRegularFont : tildeFixedFont);
c.mergeCharFormat(format);
}
charsAdded -= replacePosition + replaceLen - position;
position = replacePosition + (emoji ? 1 : replaceLen);
emoji = 0;
replacePosition = -1;
} else {
break;
}
}
c.endEditBlock();
}
void InputArea::onDocumentContentsChange(int position, int charsRemoved, int charsAdded) {
if (_correcting) return;
QString oldtext(_oldtext);
QTextCursor(_inner->document()->docHandle(), 0).joinPreviousEditBlock();
if (!position) { // Qt bug workaround https://bugreports.qt.io/browse/QTBUG-49062
QTextCursor c(_inner->document()->docHandle(), 0);
c.movePosition(QTextCursor::End);
if (position + charsAdded > c.position()) {
int32 toSubstract = position + charsAdded - c.position();
if (charsRemoved >= toSubstract) {
charsAdded -= toSubstract;
charsRemoved -= toSubstract;
}
}
}
_correcting = true;
if (_maxLength >= 0) {
QTextCursor c(_inner->document()->docHandle(), 0);
c.movePosition(QTextCursor::End);
int32 fullSize = c.position(), toRemove = fullSize - _maxLength;
if (toRemove > 0) {
if (toRemove > charsAdded) {
if (charsAdded) {
c.setPosition(position);
c.setPosition((position + charsAdded), QTextCursor::KeepAnchor);
c.removeSelectedText();
}
c.setPosition(fullSize - (toRemove - charsAdded));
c.setPosition(fullSize, QTextCursor::KeepAnchor);
c.removeSelectedText();
position = _maxLength;
charsAdded = 0;
charsRemoved += toRemove;
} else {
c.setPosition(position + (charsAdded - toRemove));
c.setPosition(position + charsAdded, QTextCursor::KeepAnchor);
c.removeSelectedText();
charsAdded -= toRemove;
}
}
}
_correcting = false;
QTextCursor(_inner->document()->docHandle(), 0).endEditBlock();
if (_inner->document()->availableRedoSteps() > 0) return;
const int takeBack = 3;
position -= takeBack;
charsAdded += takeBack;
if (position < 0) {
charsAdded += position;
position = 0;
}
if (charsAdded <= 0) return;
_correcting = true;
QSizeF s = _inner->document()->pageSize();
processDocumentContentsChange(position, charsAdded);
if (_inner->document()->pageSize() != s) {
_inner->document()->setPageSize(s);
}
_correcting = false;
}
void InputArea::onDocumentContentsChanged() {
if (_correcting) return;
setErrorShown(false);
auto curText = getText();
if (_oldtext != curText) {
_oldtext = curText;
emit changed();
checkContentHeight();
}
startPlaceholderAnimation();
if (App::wnd()) App::wnd()->updateGlobalMenu();
}
void InputArea::onUndoAvailable(bool avail) {
_undoAvailable = avail;
if (App::wnd()) App::wnd()->updateGlobalMenu();
}
void InputArea::onRedoAvailable(bool avail) {
_redoAvailable = avail;
if (App::wnd()) App::wnd()->updateGlobalMenu();
}
void InputArea::setDisplayFocused(bool focused) {
setFocused(focused);
finishAnimations();
}
void InputArea::finishAnimations() {
_a_focused.finish();
_a_error.finish();
_a_placeholderShifted.finish();
_a_borderShown.finish();
_a_borderOpacity.finish();
update();
}
void InputArea::startPlaceholderAnimation() {
auto placeholderShifted = (_focused && _st.placeholderScale > 0.) || !getLastText().isEmpty();
if (_placeholderShifted != placeholderShifted) {
_placeholderShifted = placeholderShifted;
_a_placeholderShifted.start([this] { update(); }, _placeholderShifted ? 0. : 1., _placeholderShifted ? 1. : 0., _st.duration);
}
}
QMimeData *InputArea::Inner::createMimeDataFromSelection() const {
QMimeData *result = new QMimeData();
QTextCursor c(textCursor());
int32 start = c.selectionStart(), end = c.selectionEnd();
if (end > start) {
result->setText(f()->getText(start, end));
}
return result;
}
void InputArea::customUpDown(bool custom) {
_customUpDown = custom;
}
void InputArea::setCtrlEnterSubmit(CtrlEnterSubmit ctrlEnterSubmit) {
_ctrlEnterSubmit = ctrlEnterSubmit;
}
void InputArea::Inner::keyPressEvent(QKeyEvent *e) {
bool shift = e->modifiers().testFlag(Qt::ShiftModifier), alt = e->modifiers().testFlag(Qt::AltModifier);
bool macmeta = (cPlatform() == dbipMac || cPlatform() == dbipMacOld) && e->modifiers().testFlag(Qt::ControlModifier) && !e->modifiers().testFlag(Qt::MetaModifier) && !e->modifiers().testFlag(Qt::AltModifier);
bool ctrl = e->modifiers().testFlag(Qt::ControlModifier) || e->modifiers().testFlag(Qt::MetaModifier);
bool ctrlGood = (ctrl && shift) ||
(ctrl && (f()->_ctrlEnterSubmit == CtrlEnterSubmit::CtrlEnter || f()->_ctrlEnterSubmit == CtrlEnterSubmit::Both)) ||
(!ctrl && !shift && (f()->_ctrlEnterSubmit == CtrlEnterSubmit::Enter || f()->_ctrlEnterSubmit == CtrlEnterSubmit::Both));
bool enter = (e->key() == Qt::Key_Enter || e->key() == Qt::Key_Return);
if (macmeta && e->key() == Qt::Key_Backspace) {
QTextCursor tc(textCursor()), start(tc);
start.movePosition(QTextCursor::StartOfLine);
tc.setPosition(start.position(), QTextCursor::KeepAnchor);
tc.removeSelectedText();
} else if (enter && ctrlGood) {
emit f()->submitted(ctrl && shift);
} else if (e->key() == Qt::Key_Escape) {
e->ignore();
emit f()->cancelled();
} else if (e->key() == Qt::Key_Tab || e->key() == Qt::Key_Backtab) {
if (alt || ctrl) {
e->ignore();
} else {
if (!focusNextPrevChild(e->key() == Qt::Key_Tab && !shift)) {
e->ignore();
}
}
} else if (e->key() == Qt::Key_Search || e == QKeySequence::Find) {
e->ignore();
} else if (f()->_customUpDown && (e->key() == Qt::Key_Up || e->key() == Qt::Key_Down)) {
e->ignore();
#ifdef Q_OS_MAC
} else if (e->key() == Qt::Key_E && e->modifiers().testFlag(Qt::ControlModifier)) {
auto cursor = textCursor();
int start = cursor.selectionStart(), end = cursor.selectionEnd();
if (end > start) {
QApplication::clipboard()->setText(f()->getText(start, end), QClipboard::FindBuffer);
}
#endif // Q_OS_MAC
} else {
QTextCursor tc(textCursor());
if (enter && ctrl) {
e->setModifiers(e->modifiers() & ~Qt::ControlModifier);
}
QTextEdit::keyPressEvent(e);
if (tc == textCursor()) {
bool check = false;
if (e->key() == Qt::Key_PageUp || e->key() == Qt::Key_Up) {
tc.movePosition(QTextCursor::Start, e->modifiers().testFlag(Qt::ShiftModifier) ? QTextCursor::KeepAnchor : QTextCursor::MoveAnchor);
check = true;
} else if (e->key() == Qt::Key_PageDown || e->key() == Qt::Key_Down) {
tc.movePosition(QTextCursor::End, e->modifiers().testFlag(Qt::ShiftModifier) ? QTextCursor::KeepAnchor : QTextCursor::MoveAnchor);
check = true;
}
if (check) {
if (tc == textCursor()) {
e->ignore();
} else {
setTextCursor(tc);
}
}
}
}
}
void InputArea::Inner::contextMenuEvent(QContextMenuEvent *e) {
if (auto menu = createStandardContextMenu()) {
(new Ui::PopupMenu(nullptr, menu))->popup(e->globalPos());
}
}
void InputArea::resizeEvent(QResizeEvent *e) {
createPlaceholderPath();
_inner->setGeometry(rect().marginsRemoved(_st.textMargins));
_borderAnimationStart = width() / 2;
TWidget::resizeEvent(e);
checkContentHeight();
}
void InputArea::createPlaceholderPath() {
auto availableWidth = width() - _st.textMargins.left() - _st.textMargins.right() - _st.placeholderMargins.left() - _st.placeholderMargins.right() - 1;
if (_st.placeholderScale > 0.) {
auto placeholderFont = _st.placeholderFont->f;
placeholderFont.setStyleStrategy(QFont::PreferMatch);
auto metrics = QFontMetrics(placeholderFont);
_placeholder = metrics.elidedText(_placeholderFull, Qt::ElideRight, availableWidth);
_placeholderPath = QPainterPath();
if (!_placeholder.isEmpty()) {
_placeholderPath.addText(0, QFontMetrics(placeholderFont).ascent(), placeholderFont, _placeholder);
}
} else {
_placeholder = _st.placeholderFont->elided(_placeholderFull, availableWidth);
}
}
void InputArea::showError() {
setErrorShown(true);
if (!hasFocus()) {
_inner->setFocus();
}
}
void InputArea::setErrorShown(bool error) {
if (_error != error) {
_error = error;
_a_error.start([this] { update(); }, _error ? 0. : 1., _error ? 1. : 0., _st.duration);
startBorderAnimation();
}
}
InputField::InputField(QWidget *parent, const style::InputField &st, const QString &ph, const QString &val) : TWidget(parent)
, _st(st)
, _inner(this)
, _oldtext(val)
, _placeholderFull(ph) {
_inner->setAcceptRichText(false);
resize(_st.width, _st.heightMin);
_inner->setWordWrapMode(QTextOption::NoWrap);
if (_st.textBg->c.alphaF() >= 1.) {
setAttribute(Qt::WA_OpaquePaintEvent);
}
_inner->setFont(_st.font->f);
_inner->setAlignment(_st.textAlign);
createPlaceholderPath();
subscribe(Window::Theme::Background(), [this](const Window::Theme::BackgroundUpdate &update) {
if (update.paletteChanged()) {
updatePalette();
}
});
updatePalette();
_inner->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
_inner->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
_inner->setFrameStyle(QFrame::NoFrame | QFrame::Plain);
_inner->viewport()->setAutoFillBackground(false);
_inner->setContentsMargins(0, 0, 0, 0);
_inner->document()->setDocumentMargin(0);
setAttribute(Qt::WA_AcceptTouchEvents);
_inner->viewport()->setAttribute(Qt::WA_AcceptTouchEvents);
_touchTimer.setSingleShot(true);
connect(&_touchTimer, SIGNAL(timeout()), this, SLOT(onTouchTimer()));
connect(_inner->document(), SIGNAL(contentsChange(int,int,int)), this, SLOT(onDocumentContentsChange(int,int,int)));
connect(_inner->document(), SIGNAL(contentsChanged()), this, SLOT(onDocumentContentsChanged()));
connect(_inner, SIGNAL(undoAvailable(bool)), this, SLOT(onUndoAvailable(bool)));
connect(_inner, SIGNAL(redoAvailable(bool)), this, SLOT(onRedoAvailable(bool)));
if (App::wnd()) connect(_inner, SIGNAL(selectionChanged()), App::wnd(), SLOT(updateGlobalMenu()));
setCursor(style::cur_text);
if (!val.isEmpty()) {
_inner->setPlainText(val);
}
_inner->document()->clearUndoRedoStacks();
startPlaceholderAnimation();
startBorderAnimation();
finishAnimations();
}
void InputField::updatePalette() {
auto p = palette();
p.setColor(QPalette::Text, _st.textFg->c);
setPalette(p);
}
void InputField::onTouchTimer() {
_touchRightButton = true;
}
InputField::Inner::Inner(InputField *parent) : QTextEdit(parent) {
}
bool InputField::Inner::viewportEvent(QEvent *e) {
if (e->type() == QEvent::TouchBegin || e->type() == QEvent::TouchUpdate || e->type() == QEvent::TouchEnd || e->type() == QEvent::TouchCancel) {
QTouchEvent *ev = static_cast<QTouchEvent*>(e);
if (ev->device()->type() == QTouchDevice::TouchScreen) {
qobject_cast<InputField*>(parentWidget())->touchEvent(ev);
return QTextEdit::viewportEvent(e);
}
}
return QTextEdit::viewportEvent(e);
}
void InputField::touchEvent(QTouchEvent *e) {
switch (e->type()) {
case QEvent::TouchBegin:
if (_touchPress || e->touchPoints().isEmpty()) return;
_touchTimer.start(QApplication::startDragTime());
_touchPress = true;
_touchMove = _touchRightButton = false;
_touchStart = e->touchPoints().cbegin()->screenPos().toPoint();
break;
case QEvent::TouchUpdate:
if (!_touchPress || e->touchPoints().isEmpty()) return;
if (!_touchMove && (e->touchPoints().cbegin()->screenPos().toPoint() - _touchStart).manhattanLength() >= QApplication::startDragDistance()) {
_touchMove = true;
}
break;
case QEvent::TouchEnd:
if (!_touchPress) return;
if (!_touchMove && window()) {
Qt::MouseButton btn(_touchRightButton ? Qt::RightButton : Qt::LeftButton);
QPoint mapped(mapFromGlobal(_touchStart)), winMapped(window()->mapFromGlobal(_touchStart));
if (_touchRightButton) {
QContextMenuEvent contextEvent(QContextMenuEvent::Mouse, mapped, _touchStart);
contextMenuEvent(&contextEvent);
}
}
_touchTimer.stop();
_touchPress = _touchMove = _touchRightButton = false;
break;
case QEvent::TouchCancel:
_touchPress = false;
_touchTimer.stop();
break;
}
}
void InputField::paintEvent(QPaintEvent *e) {
Painter p(this);
auto ms = getms();
QRect r(rect().intersected(e->rect()));
if (_st.textBg->c.alphaF() > 0.) {
p.fillRect(r, _st.textBg);
}
if (_st.border) {
p.fillRect(0, height() - _st.border, width(), _st.border, _st.borderFg);
}
auto errorDegree = _a_error.current(ms, _error ? 1. : 0.);
auto focusedDegree = _a_focused.current(ms, _focused ? 1. : 0.);
auto borderShownDegree = _a_borderShown.current(ms, 1.);
auto borderOpacity = _a_borderOpacity.current(ms, _borderVisible ? 1. : 0.);
if (_st.borderActive && (borderOpacity > 0.)) {
auto borderStart = snap(_borderAnimationStart, 0, width());
auto borderFrom = qRound(borderStart * (1. - borderShownDegree));
auto borderTo = borderStart + qRound((width() - borderStart) * borderShownDegree);
if (borderTo > borderFrom) {
auto borderFg = anim::brush(_st.borderFgActive, _st.borderFgError, errorDegree);
p.setOpacity(borderOpacity);
p.fillRect(borderFrom, height() - _st.borderActive, borderTo - borderFrom, _st.borderActive, borderFg);
p.setOpacity(1);
}
}
if (_st.placeholderScale > 0. && !_placeholderPath.isEmpty()) {
auto placeholderShiftDegree = _a_placeholderShifted.current(ms, _placeholderShifted ? 1. : 0.);
p.save();
p.setClipRect(r);
auto placeholderTop = anim::interpolate(0, _st.placeholderShift, placeholderShiftDegree);
QRect r(rect().marginsRemoved(_st.textMargins + _st.placeholderMargins));
r.moveTop(r.top() + placeholderTop);
if (rtl()) r.moveLeft(width() - r.left() - r.width());
auto placeholderScale = 1. - (1. - _st.placeholderScale) * placeholderShiftDegree;
auto placeholderFg = anim::color(_st.placeholderFg, _st.placeholderFgActive, focusedDegree);
placeholderFg = anim::color(placeholderFg, _st.placeholderFgError, errorDegree);
PainterHighQualityEnabler hq(p);
p.setPen(Qt::NoPen);
p.setBrush(placeholderFg);
p.translate(r.topLeft());
p.scale(placeholderScale, placeholderScale);
p.drawPath(_placeholderPath);
p.restore();
} else if (!_placeholder.isEmpty()) {
auto placeholderHiddenDegree = _a_placeholderShifted.current(ms, _placeholderShifted ? 1. : 0.);
if (placeholderHiddenDegree < 1.) {
p.setOpacity(1. - placeholderHiddenDegree);
p.save();
p.setClipRect(r);
auto placeholderLeft = anim::interpolate(0, -_st.placeholderShift, placeholderHiddenDegree);
QRect r(rect().marginsRemoved(_st.textMargins + _st.placeholderMargins));
r.moveLeft(r.left() + placeholderLeft);
if (rtl()) r.moveLeft(width() - r.left() - r.width());
p.setFont(_st.font);
p.setPen(anim::pen(_st.placeholderFg, _st.placeholderFgActive, focusedDegree));
p.drawText(r, _placeholder, _st.placeholderAlign);
p.restore();
}
}
TWidget::paintEvent(e);
}
void InputField::focusInEvent(QFocusEvent *e) {
_borderAnimationStart = (e->reason() == Qt::MouseFocusReason) ? mapFromGlobal(QCursor::pos()).x() : (width() / 2);
QTimer::singleShot(0, this, SLOT(onFocusInner()));
}
void InputField::mousePressEvent(QMouseEvent *e) {
_borderAnimationStart = e->pos().x();
QTimer::singleShot(0, this, SLOT(onFocusInner()));
}
void InputField::onFocusInner() {
auto borderStart = _borderAnimationStart;
_inner->setFocus();
_borderAnimationStart = borderStart;
}
void InputField::contextMenuEvent(QContextMenuEvent *e) {
_inner->contextMenuEvent(e);
}
void InputField::Inner::focusInEvent(QFocusEvent *e) {
f()->focusInInner(e->reason() == Qt::MouseFocusReason);
QTextEdit::focusInEvent(e);
emit f()->focused();
}
void InputField::focusInInner(bool focusByMouse) {
_borderAnimationStart = focusByMouse ? mapFromGlobal(QCursor::pos()).x() : (width() / 2);
setFocused(true);
}
void InputField::Inner::focusOutEvent(QFocusEvent *e) {
f()->focusOutInner();
QTextEdit::focusOutEvent(e);
emit f()->blurred();
}
void InputField::focusOutInner() {
setFocused(false);
}
void InputField::setFocused(bool focused) {
if (_focused != focused) {
_focused = focused;
_a_focused.start([this] { update(); }, _focused ? 0. : 1., _focused ? 1. : 0., _st.duration);
startPlaceholderAnimation();
startBorderAnimation();
}
}
void InputField::startPlaceholderAnimation() {
auto placeholderShifted = (_focused && _st.placeholderScale > 0.) || !getLastText().isEmpty() || _forcePlaceholderHidden;
if (_placeholderShifted != placeholderShifted) {
_placeholderShifted = placeholderShifted;
_a_placeholderShifted.start([this] { update(); }, _placeholderShifted ? 0. : 1., _placeholderShifted ? 1. : 0., _st.duration);
}
}
void InputField::startBorderAnimation() {
auto borderVisible = (_error || _focused);
if (_borderVisible != borderVisible) {
_borderVisible = borderVisible;
if (_borderVisible) {
if (_a_borderOpacity.animating()) {
_a_borderOpacity.start([this] { update(); }, 0., 1., _st.duration);
} else {
_a_borderShown.start([this] { update(); }, 0., 1., _st.duration);
}
} else {
_a_borderOpacity.start([this] { update(); }, 1., 0., _st.duration);
}
}
}
QSize InputField::sizeHint() const {
return geometry().size();
}
QSize InputField::minimumSizeHint() const {
return geometry().size();
}
QString InputField::getText(int32 start, int32 end) const {
if (end >= 0 && end <= start) return QString();
if (start < 0) start = 0;
bool full = (start == 0) && (end < 0);
QTextDocument *doc(_inner->document());
QTextBlock from = full ? doc->begin() : doc->findBlock(start), till = (end < 0) ? doc->end() : doc->findBlock(end);
if (till.isValid()) till = till.next();
int32 possibleLen = 0;
for (QTextBlock b = from; b != till; b = b.next()) {
possibleLen += b.length();
}
QString result;
result.reserve(possibleLen + 1);
if (!full && end < 0) {
end = possibleLen;
}
for (QTextBlock b = from; b != till; b = b.next()) {
for (QTextBlock::Iterator iter = b.begin(); !iter.atEnd(); ++iter) {
QTextFragment fragment(iter.fragment());
if (!fragment.isValid()) continue;
int32 p = full ? 0 : fragment.position(), e = full ? 0 : (p + fragment.length());
if (!full) {
if (p >= end || e <= start) {
continue;
}
}
QTextCharFormat f = fragment.charFormat();
QString emojiText;
QString t(fragment.text());
if (!full) {
if (p < start) {
t = t.mid(start - p, end - start);
} else if (e > end) {
t = t.mid(0, end - p);
}
}
QChar *ub = t.data(), *uc = ub, *ue = uc + t.size();
for (; uc != ue; ++uc) {
switch (uc->unicode()) {
case 0xfdd0: // QTextBeginningOfFrame
case 0xfdd1: // QTextEndOfFrame
case QChar::ParagraphSeparator:
case QChar::LineSeparator: {
*uc = QLatin1Char('\n');
} break;
case QChar::Nbsp: {
*uc = QLatin1Char(' ');
} break;
case QChar::ObjectReplacementCharacter: {
if (emojiText.isEmpty() && f.isImageFormat()) {
auto imageName = static_cast<QTextImageFormat*>(&f)->name();
if (auto emoji = Ui::Emoji::FromUrl(imageName)) {
emojiText = emoji->text();
}
}
if (uc > ub) result.append(ub, uc - ub);
if (!emojiText.isEmpty()) result.append(emojiText);
ub = uc + 1;
} break;
}
}
if (uc > ub) result.append(ub, uc - ub);
}
result.append('\n');
}
result.chop(1);
return result;
}
bool InputField::hasText() const {
QTextDocument *doc(_inner->document());
QTextBlock from = doc->begin(), till = doc->end();
if (from == till) return false;
for (QTextBlock::Iterator iter = from.begin(); !iter.atEnd(); ++iter) {
QTextFragment fragment(iter.fragment());
if (!fragment.isValid()) continue;
if (!fragment.text().isEmpty()) return true;
}
return (from.next() != till);
}
bool InputField::isUndoAvailable() const {
return _undoAvailable;
}
bool InputField::isRedoAvailable() const {
return _redoAvailable;
}
void InputField::insertEmoji(EmojiPtr emoji, QTextCursor c) {
QTextImageFormat imageFormat;
auto ew = Ui::Emoji::Size() + st::emojiPadding * cIntRetinaFactor() * 2, eh = _st.font->height * cIntRetinaFactor();
imageFormat.setWidth(ew / cIntRetinaFactor());
imageFormat.setHeight(eh / cIntRetinaFactor());
imageFormat.setName(emoji->toUrl());
imageFormat.setVerticalAlignment(QTextCharFormat::AlignBaseline);
static QString objectReplacement(QChar::ObjectReplacementCharacter);
c.insertText(objectReplacement, imageFormat);
}
QVariant InputField::Inner::loadResource(int type, const QUrl &name) {
QString imageName = name.toDisplayString();
if (auto emoji = Ui::Emoji::FromUrl(imageName)) {
return QVariant(App::emojiSingle(emoji, f()->_st.font->height));
}
return QVariant();
}
void InputField::processDocumentContentsChange(int position, int charsAdded) {
int32 replacePosition = -1, replaceLen = 0;
EmojiPtr emoji = nullptr;
bool newlineFound = false;
// Tilde formatting.
auto tildeFormatting = !cRetina() && (font().pixelSize() == 13) && (font().family() == qstr("Open Sans"));
auto isTildeFragment = false;
auto tildeRegularFont = tildeFormatting ? qsl("Open Sans") : QString();
auto tildeFixedFont = tildeFormatting ? Fonts::GetOverride(qsl("Open Sans Semibold")) : QString();
QTextDocument *doc(_inner->document());
QTextCursor c(_inner->textCursor());
c.joinPreviousEditBlock();
while (true) {
int32 start = position, end = position + charsAdded;
QTextBlock from = doc->findBlock(start), till = doc->findBlock(end);
if (till.isValid()) till = till.next();
for (QTextBlock b = from; b != till; b = b.next()) {
for (QTextBlock::Iterator iter = b.begin(); !iter.atEnd(); ++iter) {
QTextFragment fragment(iter.fragment());
if (!fragment.isValid()) continue;
int32 fp = fragment.position(), fe = fp + fragment.length();
if (fp >= end || fe <= start) {
continue;
}
if (tildeFormatting) {
isTildeFragment = (fragment.charFormat().fontFamily() == tildeFixedFont);
}
QString t(fragment.text());
const QChar *ch = t.constData(), *e = ch + t.size();
for (; ch != e; ++ch, ++fp) {
// QTextBeginningOfFrame // QTextEndOfFrame
newlineFound = (ch->unicode() == 0xfdd0 || ch->unicode() == 0xfdd1 || ch->unicode() == QChar::ParagraphSeparator || ch->unicode() == QChar::LineSeparator || ch->unicode() == '\n' || ch->unicode() == '\r');
if (newlineFound) {
if (replacePosition >= 0) {
newlineFound = false; // replace tilde char format first
} else {
replacePosition = fp;
replaceLen = 1;
}
break;
}
auto emojiLen = 0;
emoji = Ui::Emoji::Find(ch, e, &emojiLen);
if (emoji) {
if (replacePosition >= 0) {
emoji = 0; // replace tilde char format first
} else {
replacePosition = fp;
replaceLen = emojiLen;
}
break;
}
if (tildeFormatting && fp >= position) { // tilde fix in OpenSans
bool tilde = (ch->unicode() == '~');
if ((tilde && !isTildeFragment) || (!tilde && isTildeFragment)) {
if (replacePosition < 0) {
replacePosition = fp;
replaceLen = 1;
} else {
++replaceLen;
}
} else if (replacePosition >= 0) {
break;
}
}
if (ch + 1 < e && ch->isHighSurrogate() && (ch + 1)->isLowSurrogate()) {
++ch;
++fp;
}
}
if (replacePosition >= 0) break;
}
if (replacePosition >= 0) break;
if (b.next() != doc->end()) {
newlineFound = true;
replacePosition = b.next().position() - 1;
replaceLen = 1;
break;
}
}
if (replacePosition >= 0) {
if (!_inner->document()->pageSize().isNull()) {
_inner->document()->setPageSize(QSizeF(0, 0));
}
QTextCursor c(doc->docHandle(), replacePosition);
c.setPosition(replacePosition + replaceLen, QTextCursor::KeepAnchor);
if (newlineFound) {
QTextCharFormat format;
format.setFontFamily(font().family());
c.mergeCharFormat(format);
c.insertText(" ");
} else if (emoji) {
insertEmoji(emoji, c);
} else {
QTextCharFormat format;
format.setFontFamily(isTildeFragment ? tildeRegularFont : tildeFixedFont);
c.mergeCharFormat(format);
}
charsAdded -= replacePosition + replaceLen - position;
position = replacePosition + ((emoji || newlineFound) ? 1 : replaceLen);
newlineFound = false;
emoji = 0;
replacePosition = -1;
} else {
break;
}
}
c.endEditBlock();
}
void InputField::onDocumentContentsChange(int position, int charsRemoved, int charsAdded) {
if (_correcting) return;
QString oldtext(_oldtext);
QTextCursor(_inner->document()->docHandle(), 0).joinPreviousEditBlock();
if (!position) { // Qt bug workaround https://bugreports.qt.io/browse/QTBUG-49062
QTextCursor c(_inner->document()->docHandle(), 0);
c.movePosition(QTextCursor::End);
if (position + charsAdded > c.position()) {
int32 toSubstract = position + charsAdded - c.position();
if (charsRemoved >= toSubstract) {
charsAdded -= toSubstract;
charsRemoved -= toSubstract;
}
}
}
_correcting = true;
if (_maxLength >= 0) {
QTextCursor c(_inner->document()->docHandle(), 0);
c.movePosition(QTextCursor::End);
int32 fullSize = c.position(), toRemove = fullSize - _maxLength;
if (toRemove > 0) {
if (toRemove > charsAdded) {
if (charsAdded) {
c.setPosition(position);
c.setPosition((position + charsAdded), QTextCursor::KeepAnchor);
c.removeSelectedText();
}
c.setPosition(fullSize - (toRemove - charsAdded));
c.setPosition(fullSize, QTextCursor::KeepAnchor);
c.removeSelectedText();
position = _maxLength;
charsAdded = 0;
charsRemoved += toRemove;
} else {
c.setPosition(position + (charsAdded - toRemove));
c.setPosition(position + charsAdded, QTextCursor::KeepAnchor);
c.removeSelectedText();
charsAdded -= toRemove;
}
}
}
_correcting = false;
QTextCursor(_inner->document()->docHandle(), 0).endEditBlock();
if (_inner->document()->availableRedoSteps() > 0) return;
const int takeBack = 3;
position -= takeBack;
charsAdded += takeBack;
if (position < 0) {
charsAdded += position;
position = 0;
}
if (charsAdded <= 0) return;
_correcting = true;
QSizeF s = _inner->document()->pageSize();
processDocumentContentsChange(position, charsAdded);
if (_inner->document()->pageSize() != s) {
_inner->document()->setPageSize(s);
}
_correcting = false;
}
void InputField::onDocumentContentsChanged() {
if (_correcting) return;
setErrorShown(false);
auto curText = getText();
if (_oldtext != curText) {
_oldtext = curText;
emit changed();
}
startPlaceholderAnimation();
if (App::wnd()) App::wnd()->updateGlobalMenu();
}
void InputField::onUndoAvailable(bool avail) {
_undoAvailable = avail;
if (App::wnd()) App::wnd()->updateGlobalMenu();
}
void InputField::onRedoAvailable(bool avail) {
_redoAvailable = avail;
if (App::wnd()) App::wnd()->updateGlobalMenu();
}
void InputField::selectAll() {
auto cursor = _inner->textCursor();
cursor.setPosition(0);
cursor.movePosition(QTextCursor::End, QTextCursor::KeepAnchor);
_inner->setTextCursor(cursor);
}
void InputField::setDisplayFocused(bool focused) {
setFocused(focused);
finishAnimations();
}
void InputField::finishAnimations() {
_a_focused.finish();
_a_error.finish();
_a_placeholderShifted.finish();
_a_borderShown.finish();
_a_borderOpacity.finish();
update();
}
void InputField::setPlaceholderHidden(bool forcePlaceholderHidden) {
_forcePlaceholderHidden = forcePlaceholderHidden;
startPlaceholderAnimation();
}
QMimeData *InputField::Inner::createMimeDataFromSelection() const {
auto result = new QMimeData();
auto cursor = textCursor();
auto start = cursor.selectionStart();
auto end = cursor.selectionEnd();
if (end > start) {
result->setText(f()->getText(start, end));
}
return result;
}
void InputField::customUpDown(bool custom) {
_customUpDown = custom;
}
void InputField::Inner::keyPressEvent(QKeyEvent *e) {
bool shift = e->modifiers().testFlag(Qt::ShiftModifier), alt = e->modifiers().testFlag(Qt::AltModifier);
bool macmeta = (cPlatform() == dbipMac || cPlatform() == dbipMacOld) && e->modifiers().testFlag(Qt::ControlModifier) && !e->modifiers().testFlag(Qt::MetaModifier) && !e->modifiers().testFlag(Qt::AltModifier);
bool ctrl = e->modifiers().testFlag(Qt::ControlModifier) || e->modifiers().testFlag(Qt::MetaModifier), ctrlGood = true;
bool enter = (e->key() == Qt::Key_Enter || e->key() == Qt::Key_Return);
if (macmeta && e->key() == Qt::Key_Backspace) {
QTextCursor tc(textCursor()), start(tc);
start.movePosition(QTextCursor::StartOfLine);
tc.setPosition(start.position(), QTextCursor::KeepAnchor);
tc.removeSelectedText();
} else if (enter && ctrlGood) {
emit f()->submitted(ctrl && shift);
} else if (e->key() == Qt::Key_Escape) {
e->ignore();
emit f()->cancelled();
} else if (e->key() == Qt::Key_Tab || e->key() == Qt::Key_Backtab) {
if (alt || ctrl) {
e->ignore();
} else {
if (!focusNextPrevChild(e->key() == Qt::Key_Tab && !shift)) {
e->ignore();
}
}
} else if (e->key() == Qt::Key_Search || e == QKeySequence::Find) {
e->ignore();
} else if (f()->_customUpDown && (e->key() == Qt::Key_Up || e->key() == Qt::Key_Down)) {
e->ignore();
#ifdef Q_OS_MAC
} else if (e->key() == Qt::Key_E && e->modifiers().testFlag(Qt::ControlModifier)) {
auto cursor = textCursor();
int start = cursor.selectionStart(), end = cursor.selectionEnd();
if (end > start) {
QApplication::clipboard()->setText(f()->getText(start, end), QClipboard::FindBuffer);
}
#endif // Q_OS_MAC
} else {
auto oldCursorPosition = textCursor().position();
if (enter && ctrl) {
e->setModifiers(e->modifiers() & ~Qt::ControlModifier);
}
QTextEdit::keyPressEvent(e);
auto currentCursor = textCursor();
if (textCursor().position() == oldCursorPosition) {
bool check = false;
if (e->key() == Qt::Key_PageUp || e->key() == Qt::Key_Up) {
oldCursorPosition = currentCursor.position();
currentCursor.movePosition(QTextCursor::Start, e->modifiers().testFlag(Qt::ShiftModifier) ? QTextCursor::KeepAnchor : QTextCursor::MoveAnchor);
check = true;
} else if (e->key() == Qt::Key_PageDown || e->key() == Qt::Key_Down) {
oldCursorPosition = currentCursor.position();
currentCursor.movePosition(QTextCursor::End, e->modifiers().testFlag(Qt::ShiftModifier) ? QTextCursor::KeepAnchor : QTextCursor::MoveAnchor);
check = true;
} else if (e->key() == Qt::Key_Left || e->key() == Qt::Key_Right || e->key() == Qt::Key_Backspace) {
e->ignore();
}
if (check) {
if (oldCursorPosition == currentCursor.position()) {
e->ignore();
} else {
setTextCursor(currentCursor);
}
}
}
}
}
void InputField::Inner::contextMenuEvent(QContextMenuEvent *e) {
if (auto menu = createStandardContextMenu()) {
(new Ui::PopupMenu(nullptr, menu))->popup(e->globalPos());
}
}
void InputField::resizeEvent(QResizeEvent *e) {
createPlaceholderPath();
_inner->setGeometry(rect().marginsRemoved(_st.textMargins));
_borderAnimationStart = width() / 2;
TWidget::resizeEvent(e);
}
void InputField::createPlaceholderPath() {
auto availableWidth = width() - _st.textMargins.left() - _st.textMargins.right() - _st.placeholderMargins.left() - _st.placeholderMargins.right() - 1;
if (_st.placeholderScale > 0.) {
auto placeholderFont = _st.placeholderFont->f;
placeholderFont.setStyleStrategy(QFont::PreferMatch);
auto metrics = QFontMetrics(placeholderFont);
_placeholder = metrics.elidedText(_placeholderFull, Qt::ElideRight, availableWidth);
_placeholderPath = QPainterPath();
if (!_placeholder.isEmpty()) {
_placeholderPath.addText(0, QFontMetrics(placeholderFont).ascent(), placeholderFont, _placeholder);
}
} else {
_placeholder = _st.placeholderFont->elided(_placeholderFull, availableWidth);
}
}
void InputField::showError() {
setErrorShown(true);
if (!hasFocus()) {
_inner->setFocus();
}
}
void InputField::setErrorShown(bool error) {
if (_error != error) {
_error = error;
_a_error.start([this] { update(); }, _error ? 0. : 1., _error ? 1. : 0., _st.duration);
startBorderAnimation();
}
}
MaskedInputField::MaskedInputField(QWidget *parent, const style::InputField &st, const QString &placeholder, const QString &val) : TWidgetHelper<QLineEdit>(val, parent)
, _st(st)
, _oldtext(val)
, _placeholderFull(placeholder) {
resize(_st.width, _st.heightMin);
setFont(_st.font);
setAlignment(_st.textAlign);
subscribe(Window::Theme::Background(), [this](const Window::Theme::BackgroundUpdate &update) {
if (update.paletteChanged()) {
updatePalette();
}
});
updatePalette();
createPlaceholderPath();
setAttribute(Qt::WA_OpaquePaintEvent);
connect(this, SIGNAL(textChanged(const QString&)), this, SLOT(onTextChange(const QString&)));
connect(this, SIGNAL(cursorPositionChanged(int,int)), this, SLOT(onCursorPositionChanged(int,int)));
connect(this, SIGNAL(textEdited(const QString&)), this, SLOT(onTextEdited()));
if (App::wnd()) connect(this, SIGNAL(selectionChanged()), App::wnd(), SLOT(updateGlobalMenu()));
setStyle(InputStyle<MaskedInputField>::instance());
QLineEdit::setTextMargins(0, 0, 0, 0);
setContentsMargins(0, 0, 0, 0);
setAttribute(Qt::WA_AcceptTouchEvents);
_touchTimer.setSingleShot(true);
connect(&_touchTimer, SIGNAL(timeout()), this, SLOT(onTouchTimer()));
setTextMargins(_st.textMargins);
startPlaceholderAnimation();
startBorderAnimation();
finishAnimations();
}
void MaskedInputField::updatePalette() {
auto p = palette();
p.setColor(QPalette::Text, _st.textFg->c);
setPalette(p);
}
void MaskedInputField::setCorrectedText(QString &now, int &nowCursor, const QString &newText, int newPos) {
if (newPos < 0 || newPos > newText.size()) {
newPos = newText.size();
}
auto updateText = (newText != now);
if (updateText) {
now = newText;
setText(now);
startPlaceholderAnimation();
}
auto updateCursorPosition = (newPos != nowCursor) || updateText;
if (updateCursorPosition) {
nowCursor = newPos;
setCursorPosition(nowCursor);
}
}
void MaskedInputField::customUpDown(bool custom) {
_customUpDown = custom;
}
void MaskedInputField::setTextMargins(const QMargins &mrg) {
_textMargins = mrg;
createPlaceholderPath();
}
void MaskedInputField::onTouchTimer() {
_touchRightButton = true;
}
bool MaskedInputField::event(QEvent *e) {
if (e->type() == QEvent::TouchBegin || e->type() == QEvent::TouchUpdate || e->type() == QEvent::TouchEnd || e->type() == QEvent::TouchCancel) {
QTouchEvent *ev = static_cast<QTouchEvent*>(e);
if (ev->device()->type() == QTouchDevice::TouchScreen) {
touchEvent(ev);
return QLineEdit::event(e);
}
}
return QLineEdit::event(e);
}
void MaskedInputField::touchEvent(QTouchEvent *e) {
switch (e->type()) {
case QEvent::TouchBegin:
if (_touchPress || e->touchPoints().isEmpty()) return;
_touchTimer.start(QApplication::startDragTime());
_touchPress = true;
_touchMove = _touchRightButton = false;
_touchStart = e->touchPoints().cbegin()->screenPos().toPoint();
break;
case QEvent::TouchUpdate:
if (!_touchPress || e->touchPoints().isEmpty()) return;
if (!_touchMove && (e->touchPoints().cbegin()->screenPos().toPoint() - _touchStart).manhattanLength() >= QApplication::startDragDistance()) {
_touchMove = true;
}
break;
case QEvent::TouchEnd:
if (!_touchPress) return;
if (!_touchMove && window()) {
Qt::MouseButton btn(_touchRightButton ? Qt::RightButton : Qt::LeftButton);
QPoint mapped(mapFromGlobal(_touchStart)), winMapped(window()->mapFromGlobal(_touchStart));
if (_touchRightButton) {
QContextMenuEvent contextEvent(QContextMenuEvent::Mouse, mapped, _touchStart);
contextMenuEvent(&contextEvent);
}
}
_touchTimer.stop();
_touchPress = _touchMove = _touchRightButton = false;
break;
case QEvent::TouchCancel:
_touchPress = false;
_touchTimer.stop();
break;
}
}
QRect MaskedInputField::getTextRect() const {
return rect().marginsRemoved(_textMargins + QMargins(-2, -1, -2, -1));
}
void MaskedInputField::paintEvent(QPaintEvent *e) {
Painter p(this);
auto ms = getms();
auto r = rect().intersected(e->rect());
p.fillRect(r, _st.textBg);
if (_st.border) {
p.fillRect(0, height() - _st.border, width(), _st.border, _st.borderFg->b);
}
auto errorDegree = _a_error.current(ms, _error ? 1. : 0.);
auto focusedDegree = _a_focused.current(ms, _focused ? 1. : 0.);
auto borderShownDegree = _a_borderShown.current(ms, 1.);
auto borderOpacity = _a_borderOpacity.current(ms, _borderVisible ? 1. : 0.);
if (_st.borderActive && (borderOpacity > 0.)) {
auto borderStart = snap(_borderAnimationStart, 0, width());
auto borderFrom = qRound(borderStart * (1. - borderShownDegree));
auto borderTo = borderStart + qRound((width() - borderStart) * borderShownDegree);
if (borderTo > borderFrom) {
auto borderFg = anim::brush(_st.borderFgActive, _st.borderFgError, errorDegree);
p.setOpacity(borderOpacity);
p.fillRect(borderFrom, height() - _st.borderActive, borderTo - borderFrom, _st.borderActive, borderFg);
p.setOpacity(1);
}
}
p.setClipRect(r);
if (_st.placeholderScale > 0. && !_placeholderPath.isEmpty()) {
auto placeholderShiftDegree = _a_placeholderShifted.current(ms, _placeholderShifted ? 1. : 0.);
p.save();
p.setClipRect(r);
auto placeholderTop = anim::interpolate(0, _st.placeholderShift, placeholderShiftDegree);
QRect r(rect().marginsRemoved(_st.textMargins + _st.placeholderMargins));
r.moveTop(r.top() + placeholderTop);
if (rtl()) r.moveLeft(width() - r.left() - r.width());
auto placeholderScale = 1. - (1. - _st.placeholderScale) * placeholderShiftDegree;
auto placeholderFg = anim::color(_st.placeholderFg, _st.placeholderFgActive, focusedDegree);
placeholderFg = anim::color(placeholderFg, _st.placeholderFgError, errorDegree);
PainterHighQualityEnabler hq(p);
p.setPen(Qt::NoPen);
p.setBrush(placeholderFg);
p.translate(r.topLeft());
p.scale(placeholderScale, placeholderScale);
p.drawPath(_placeholderPath);
p.restore();
} else if (!_placeholder.isEmpty()) {
auto placeholderHiddenDegree = _a_placeholderShifted.current(ms, _placeholderShifted ? 1. : 0.);
if (placeholderHiddenDegree < 1.) {
p.setOpacity(1. - placeholderHiddenDegree);
p.save();
p.setClipRect(r);
auto placeholderLeft = anim::interpolate(0, -_st.placeholderShift, placeholderHiddenDegree);
QRect r(rect().marginsRemoved(_st.textMargins + _st.placeholderMargins));
r.moveLeft(r.left() + placeholderLeft);
if (rtl()) r.moveLeft(width() - r.left() - r.width());
p.setFont(_st.font);
p.setPen(anim::pen(_st.placeholderFg, _st.placeholderFgActive, focusedDegree));
p.drawText(r, _placeholder, _st.placeholderAlign);
p.restore();
}
}
paintAdditionalPlaceholder(p, ms);
QLineEdit::paintEvent(e);
}
void MaskedInputField::startBorderAnimation() {
auto borderVisible = (_error || _focused);
if (_borderVisible != borderVisible) {
_borderVisible = borderVisible;
if (_borderVisible) {
if (_a_borderOpacity.animating()) {
_a_borderOpacity.start([this] { update(); }, 0., 1., _st.duration);
} else {
_a_borderShown.start([this] { update(); }, 0., 1., _st.duration);
}
} else if (qFuzzyCompare(_a_borderShown.current(1.), 0.)) {
_a_borderShown.finish();
_a_borderOpacity.finish();
} else {
_a_borderOpacity.start([this] { update(); }, 1., 0., _st.duration);
}
}
}
void MaskedInputField::focusInEvent(QFocusEvent *e) {
_borderAnimationStart = (e->reason() == Qt::MouseFocusReason) ? mapFromGlobal(QCursor::pos()).x() : (width() / 2);
setFocused(true);
QLineEdit::focusInEvent(e);
emit focused();
}
void MaskedInputField::focusOutEvent(QFocusEvent *e) {
setFocused(false);
QLineEdit::focusOutEvent(e);
emit blurred();
}
void MaskedInputField::setFocused(bool focused) {
if (_focused != focused) {
_focused = focused;
_a_focused.start([this] { update(); }, _focused ? 0. : 1., _focused ? 1. : 0., _st.duration);
startPlaceholderAnimation();
startBorderAnimation();
}
}
void MaskedInputField::resizeEvent(QResizeEvent *e) {
createPlaceholderPath();
_borderAnimationStart = width() / 2;
QLineEdit::resizeEvent(e);
}
void MaskedInputField::createPlaceholderPath() {
auto availableWidth = width() - _st.textMargins.left() - _st.textMargins.right() - _st.placeholderMargins.left() - _st.placeholderMargins.right() - 1;
if (_st.placeholderScale > 0.) {
auto placeholderFont = _st.placeholderFont->f;
placeholderFont.setStyleStrategy(QFont::PreferMatch);
auto metrics = QFontMetrics(placeholderFont);
_placeholder = metrics.elidedText(_placeholderFull, Qt::ElideRight, availableWidth);
_placeholderPath = QPainterPath();
if (!_placeholder.isEmpty()) {
_placeholderPath.addText(0, QFontMetrics(placeholderFont).ascent(), placeholderFont, _placeholder);
}
} else {
_placeholder = _st.placeholderFont->elided(_placeholderFull, availableWidth);
}
}
void MaskedInputField::contextMenuEvent(QContextMenuEvent *e) {
if (auto menu = createStandardContextMenu()) {
(new Ui::PopupMenu(nullptr, menu))->popup(e->globalPos());
}
}
void MaskedInputField::showError() {
setErrorShown(true);
if (!hasFocus()) {
setFocus();
}
}
void MaskedInputField::setErrorShown(bool error) {
if (_error != error) {
_error = error;
_a_error.start([this] { update(); }, _error ? 0. : 1., _error ? 1. : 0., _st.duration);
startBorderAnimation();
}
}
QSize MaskedInputField::sizeHint() const {
return geometry().size();
}
QSize MaskedInputField::minimumSizeHint() const {
return geometry().size();
}
void MaskedInputField::setDisplayFocused(bool focused) {
setFocused(focused);
finishAnimations();
}
void MaskedInputField::finishAnimations() {
_a_focused.finish();
_a_error.finish();
_a_placeholderShifted.finish();
_a_borderShown.finish();
_a_borderOpacity.finish();
update();
}
void MaskedInputField::setPlaceholderHidden(bool forcePlaceholderHidden) {
_forcePlaceholderHidden = forcePlaceholderHidden;
startPlaceholderAnimation();
}
void MaskedInputField::startPlaceholderAnimation() {
auto placeholderShifted = (_focused && _st.placeholderScale > 0.) || !getLastText().isEmpty() || _forcePlaceholderHidden;
if (_placeholderShifted != placeholderShifted) {
_placeholderShifted = placeholderShifted;
_a_placeholderShifted.start([this] { update(); }, _placeholderShifted ? 0. : 1., _placeholderShifted ? 1. : 0., _st.duration);
}
}
const QString &MaskedInputField::placeholder() const {
return _placeholderFull;
}
QRect MaskedInputField::placeholderRect() const {
return rect().marginsRemoved(_st.textMargins + _st.placeholderMargins);
}
void MaskedInputField::placeholderAdditionalPrepare(Painter &p, TimeMs ms) {
p.setFont(_st.font);
p.setPen(_st.placeholderFg);
}
void MaskedInputField::keyPressEvent(QKeyEvent *e) {
QString wasText(_oldtext);
int32 wasCursor(_oldcursor);
bool shift = e->modifiers().testFlag(Qt::ShiftModifier), alt = e->modifiers().testFlag(Qt::AltModifier);
bool ctrl = e->modifiers().testFlag(Qt::ControlModifier) || e->modifiers().testFlag(Qt::MetaModifier), ctrlGood = true;
if (_customUpDown && (e->key() == Qt::Key_Up || e->key() == Qt::Key_Down)) {
e->ignore();
} else {
QLineEdit::keyPressEvent(e);
}
QString newText(text());
int32 newCursor(cursorPosition());
if (wasText == newText && wasCursor == newCursor) { // call correct manually
correctValue(wasText, wasCursor, newText, newCursor);
_oldtext = newText;
_oldcursor = newCursor;
if (wasText != _oldtext) emit changed();
startPlaceholderAnimation();
}
if (e->key() == Qt::Key_Escape) {
e->ignore();
emit cancelled();
} else if (e->key() == Qt::Key_Return || e->key() == Qt::Key_Enter) {
emit submitted(ctrl && shift);
#ifdef Q_OS_MAC
} else if (e->key() == Qt::Key_E && e->modifiers().testFlag(Qt::ControlModifier)) {
auto selected = selectedText();
if (!selected.isEmpty() && echoMode() == QLineEdit::Normal) {
QApplication::clipboard()->setText(selected, QClipboard::FindBuffer);
}
#endif // Q_OS_MAC
}
}
void MaskedInputField::onTextEdited() {
QString wasText(_oldtext), newText(text());
int32 wasCursor(_oldcursor), newCursor(cursorPosition());
correctValue(wasText, wasCursor, newText, newCursor);
_oldtext = newText;
_oldcursor = newCursor;
if (wasText != _oldtext) emit changed();
startPlaceholderAnimation();
if (App::wnd()) App::wnd()->updateGlobalMenu();
}
void MaskedInputField::onTextChange(const QString &text) {
_oldtext = QLineEdit::text();
setErrorShown(false);
if (App::wnd()) App::wnd()->updateGlobalMenu();
}
void MaskedInputField::onCursorPositionChanged(int oldPosition, int position) {
_oldcursor = position;
}
CountryCodeInput::CountryCodeInput(QWidget *parent, const style::InputField &st) : MaskedInputField(parent, st)
, _nosignal(false) {
}
void CountryCodeInput::startErasing(QKeyEvent *e) {
setFocus();
keyPressEvent(e);
}
void CountryCodeInput::codeSelected(const QString &code) {
auto wasText = getLastText();
auto wasCursor = cursorPosition();
auto newText = '+' + code;
auto newCursor = newText.size();
setText(newText);
_nosignal = true;
correctValue(wasText, wasCursor, newText, newCursor);
_nosignal = false;
emit changed();
}
void CountryCodeInput::correctValue(const QString &was, int32 wasCursor, QString &now, int32 &nowCursor) {
QString newText, addToNumber;
int oldPos(nowCursor), newPos(-1), oldLen(now.length()), start = 0, digits = 5;
newText.reserve(oldLen + 1);
if (oldLen && now[0] == '+') {
if (start == oldPos) {
newPos = newText.length();
}
++start;
}
newText += '+';
for (int i = start; i < oldLen; ++i) {
if (i == oldPos) {
newPos = newText.length();
}
auto ch = now[i];
if (ch.isDigit()) {
if (!digits || !--digits) {
addToNumber += ch;
} else {
newText += ch;
}
}
}
if (!addToNumber.isEmpty()) {
auto validCode = findValidCode(newText.mid(1));
addToNumber = newText.mid(1 + validCode.length()) + addToNumber;
newText = '+' + validCode;
}
setCorrectedText(now, nowCursor, newText, newPos);
if (!_nosignal && was != newText) {
emit codeChanged(newText.mid(1));
}
if (!addToNumber.isEmpty()) {
emit addedToNumber(addToNumber);
}
}
PhonePartInput::PhonePartInput(QWidget *parent, const style::InputField &st) : MaskedInputField(parent, st/*, lang(lng_phone_ph)*/) {
}
void PhonePartInput::paintAdditionalPlaceholder(Painter &p, TimeMs ms) {
auto t = getLastText();
if (!_pattern.isEmpty()) {
auto ph = _additionalPlaceholder.mid(t.size());
if (!ph.isEmpty()) {
p.setClipRect(rect());
auto phRect = placeholderRect();
int tw = phFont()->width(t);
if (tw < phRect.width()) {
phRect.setLeft(phRect.left() + tw);
placeholderAdditionalPrepare(p, ms);
p.drawText(phRect, ph, style::al_topleft);
}
}
}
}
void PhonePartInput::keyPressEvent(QKeyEvent *e) {
if (e->key() == Qt::Key_Backspace && getLastText().isEmpty()) {
emit voidBackspace(e);
} else {
MaskedInputField::keyPressEvent(e);
}
}
void PhonePartInput::correctValue(const QString &was, int32 wasCursor, QString &now, int32 &nowCursor) {
QString newText;
int oldPos(nowCursor), newPos(-1), oldLen(now.length()), digitCount = 0;
for (int i = 0; i < oldLen; ++i) {
if (now[i].isDigit()) {
++digitCount;
}
}
if (digitCount > MaxPhoneTailLength) digitCount = MaxPhoneTailLength;
bool inPart = !_pattern.isEmpty();
int curPart = -1, leftInPart = 0;
newText.reserve(oldLen);
for (int i = 0; i < oldLen; ++i) {
if (i == oldPos && newPos < 0) {
newPos = newText.length();
}
auto ch = now[i];
if (ch.isDigit()) {
if (!digitCount--) {
break;
}
if (inPart) {
if (leftInPart) {
--leftInPart;
} else {
newText += ' ';
++curPart;
inPart = curPart < _pattern.size();
leftInPart = inPart ? (_pattern.at(curPart) - 1) : 0;
++oldPos;
}
}
newText += ch;
} else if (ch == ' ' || ch == '-' || ch == '(' || ch == ')') {
if (inPart) {
if (leftInPart) {
} else {
newText += ch;
++curPart;
inPart = curPart < _pattern.size();
leftInPart = inPart ? _pattern.at(curPart) : 0;
}
} else {
newText += ch;
}
}
}
auto newlen = newText.size();
while (newlen > 0 && newText.at(newlen - 1).isSpace()) {
--newlen;
}
if (newlen < newText.size()) {
newText = newText.mid(0, newlen);
}
setCorrectedText(now, nowCursor, newText, newPos);
}
void PhonePartInput::addedToNumber(const QString &added) {
setFocus();
auto wasText = getLastText();
auto wasCursor = cursorPosition();
auto newText = added + wasText;
auto newCursor = newText.size();
setText(newText);
setCursorPosition(added.length());
correctValue(wasText, wasCursor, newText, newCursor);
startPlaceholderAnimation();
}
void PhonePartInput::onChooseCode(const QString &code) {
_pattern = phoneNumberParse(code);
if (!_pattern.isEmpty() && _pattern.at(0) == code.size()) {
_pattern.pop_front();
} else {
_pattern.clear();
}
_additionalPlaceholder = QString();
if (!_pattern.isEmpty()) {
_additionalPlaceholder.reserve(20);
for (int i = 0, l = _pattern.size(); i < l; ++i) {
_additionalPlaceholder.append(' ');
_additionalPlaceholder.append(QString(_pattern.at(i), QChar(0x2212)));
}
}
setPlaceholderHidden(!_additionalPlaceholder.isEmpty());
auto wasText = getLastText();
auto wasCursor = cursorPosition();
auto newText = getLastText();
auto newCursor = newText.size();
correctValue(wasText, wasCursor, newText, newCursor);
startPlaceholderAnimation();
}
PasswordInput::PasswordInput(QWidget *parent, const style::InputField &st, const QString &ph, const QString &val) : MaskedInputField(parent, st, ph, val) {
setEchoMode(QLineEdit::Password);
}
PortInput::PortInput(QWidget *parent, const style::InputField &st, const QString &ph, const QString &val) : MaskedInputField(parent, st, ph, val) {
if (!val.toInt() || val.toInt() > 65535) {
setText(QString());
}
}
void PortInput::correctValue(const QString &was, int32 wasCursor, QString &now, int32 &nowCursor) {
QString newText;
newText.reserve(now.size());
auto newPos = nowCursor;
for (auto i = 0, l = now.size(); i < l; ++i) {
if (now.at(i).isDigit()) {
newText.append(now.at(i));
} else if (i < nowCursor) {
--newPos;
}
}
if (!newText.toInt()) {
newText = QString();
newPos = 0;
} else if (newText.toInt() > 65535) {
newText = was;
newPos = wasCursor;
}
setCorrectedText(now, nowCursor, newText, newPos);
}
UsernameInput::UsernameInput(QWidget *parent, const style::InputField &st, const QString &ph, const QString &val, bool isLink) : MaskedInputField(parent, st, ph, val)
, _linkPlaceholder(isLink ? Messenger::Instance().createInternalLink(QString()) : QString()) {
if (!_linkPlaceholder.isEmpty()) {
setTextMargins(style::margins(_st.textMargins.left() + _st.font->width(_linkPlaceholder), _st.textMargins.top(), _st.textMargins.right(), _st.textMargins.bottom()));
setPlaceholderHidden(true);
}
}
void UsernameInput::paintAdditionalPlaceholder(Painter &p, TimeMs ms) {
if (!_linkPlaceholder.isEmpty()) {
p.setFont(_st.font);
p.setPen(_st.placeholderFg);
p.drawText(QRect(_st.textMargins.left(), _st.textMargins.top(), width(), height() - _st.textMargins.top() - _st.textMargins.bottom()), _linkPlaceholder, style::al_topleft);
}
}
void UsernameInput::correctValue(const QString &was, int32 wasCursor, QString &now, int32 &nowCursor) {
auto newPos = nowCursor;
auto from = 0, len = now.size();
for (; from < len; ++from) {
if (!now.at(from).isSpace()) {
break;
}
if (newPos > 0) --newPos;
}
len -= from;
if (len > MaxUsernameLength) len = MaxUsernameLength + (now.at(from) == '@' ? 1 : 0);
for (int32 to = from + len; to > from;) {
--to;
if (!now.at(to).isSpace()) {
break;
}
--len;
}
setCorrectedText(now, nowCursor, now.mid(from, len), newPos);
}
PhoneInput::PhoneInput(QWidget *parent, const style::InputField &st, const QString &ph, const QString &val) : MaskedInputField(parent, st, ph, val) {
QString phone(val);
if (phone.isEmpty()) {
clearText();
} else {
int32 pos = phone.size();
correctValue(QString(), 0, phone, pos);
}
}
void PhoneInput::focusInEvent(QFocusEvent *e) {
MaskedInputField::focusInEvent(e);
setSelection(cursorPosition(), cursorPosition());
}
void PhoneInput::clearText() {
QString phone;
if (App::self()) {
QVector<int> newPattern = phoneNumberParse(App::self()->phone());
if (!newPattern.isEmpty()) {
phone = App::self()->phone().mid(0, newPattern.at(0));
}
}
setText(phone);
int32 pos = phone.size();
correctValue(QString(), 0, phone, pos);
}
void PhoneInput::paintAdditionalPlaceholder(Painter &p, TimeMs ms) {
if (!_pattern.isEmpty()) {
auto t = getLastText();
auto ph = _additionalPlaceholder.mid(t.size());
if (!ph.isEmpty()) {
p.setClipRect(rect());
auto phRect = placeholderRect();
int tw = phFont()->width(t);
if (tw < phRect.width()) {
phRect.setLeft(phRect.left() + tw);
placeholderAdditionalPrepare(p, ms);
p.drawText(phRect, ph, style::al_topleft);
}
}
}
}
void PhoneInput::correctValue(const QString &was, int32 wasCursor, QString &now, int32 &nowCursor) {
auto digits = now;
digits.replace(QRegularExpression(qsl("[^\\d]")), QString());
_pattern = phoneNumberParse(digits);
QString newPlaceholder;
if (_pattern.isEmpty()) {
newPlaceholder = QString();
} else if (_pattern.size() == 1 && _pattern.at(0) == digits.size()) {
newPlaceholder = QString(_pattern.at(0) + 2, ' ') + lang(lng_contact_phone);
} else {
newPlaceholder.reserve(20);
for (int i = 0, l = _pattern.size(); i < l; ++i) {
if (i) {
newPlaceholder.append(' ');
} else {
newPlaceholder.append('+');
}
newPlaceholder.append(i ? QString(_pattern.at(i), QChar(0x2212)) : digits.mid(0, _pattern.at(i)));
}
}
if (_additionalPlaceholder != newPlaceholder) {
_additionalPlaceholder = newPlaceholder;
setPlaceholderHidden(!_additionalPlaceholder.isEmpty());
update();
}
QString newText;
int oldPos(nowCursor), newPos(-1), oldLen(now.length()), digitCount = qMin(digits.size(), MaxPhoneCodeLength + MaxPhoneTailLength);
bool inPart = !_pattern.isEmpty(), plusFound = false;
int curPart = 0, leftInPart = inPart ? _pattern.at(curPart) : 0;
newText.reserve(oldLen + 1);
newText.append('+');
for (int i = 0; i < oldLen; ++i) {
if (i == oldPos && newPos < 0) {
newPos = newText.length();
}
QChar ch(now[i]);
if (ch.isDigit()) {
if (!digitCount--) {
break;
}
if (inPart) {
if (leftInPart) {
--leftInPart;
} else {
newText += ' ';
++curPart;
inPart = curPart < _pattern.size();
leftInPart = inPart ? (_pattern.at(curPart) - 1) : 0;
++oldPos;
}
}
newText += ch;
} else if (ch == ' ' || ch == '-' || ch == '(' || ch == ')') {
if (inPart) {
if (leftInPart) {
} else {
newText += ch;
++curPart;
inPart = curPart < _pattern.size();
leftInPart = inPart ? _pattern.at(curPart) : 0;
}
} else {
newText += ch;
}
} else if (ch == '+') {
plusFound = true;
}
}
if (!plusFound && newText == qstr("+")) {
newText = QString();
newPos = 0;
}
int32 newlen = newText.size();
while (newlen > 0 && newText.at(newlen - 1).isSpace()) {
--newlen;
}
if (newlen < newText.size()) {
newText = newText.mid(0, newlen);
}
setCorrectedText(now, nowCursor, newText, newPos);
}
} // namespace Ui