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Improve text selection in bubbles.

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This commit is contained in:
John Preston 2018-01-27 20:51:16 +03:00
parent 600737c44f
commit 681b9b5ba3
2 changed files with 48 additions and 25 deletions
Telegram/SourceFiles
history/view
history_view_message.cpp
ui/text
text.cpp

40
Telegram/SourceFiles/history/view/history_view_message.cpp
View File

@ -739,11 +739,19 @@ TextState Message::textState(
}
}
auto needDateCheck = mediaOnBottom
? !(entry
? entry->customInfoLayout()
: media->customInfoLayout())
: true;
auto checkForPointInTime = [&] {
if (mediaOnBottom && (entry || media->customInfoLayout())) {
return;
}
const auto inDate = pointInTime(
g.left() + g.width(),
g.top() + g.height(),
point,
InfoDisplayType::Default);
if (inDate) {
result.cursor = CursorState::Date;
}
};
if (mediaDisplayed) {
auto mediaHeight = media->height();
auto mediaLeft = trect.x() - st::msgPadding.left();
@ -752,17 +760,19 @@ TextState Message::textState(
if (point.y() >= mediaTop && point.y() < mediaTop + mediaHeight) {
result = media->textState(point - QPoint(mediaLeft, mediaTop), request);
result.symbol += item->_text.length();
} else if (trect.contains(point)) {
getStateText(point, trect, &result, request);
}
} else if (trect.contains(point)) {
getStateText(point, trect, &result, request);
}
if (needDateCheck) {
if (pointInTime(g.left() + g.width(), g.top() + g.height(), point, InfoDisplayType::Default)) {
result.cursor = CursorState::Date;
} else if (getStateText(point, trect, &result, request)) {
checkForPointInTime();
return result;
} else if (point.y() >= trect.y() + trect.height()) {
result.symbol = item->_text.length();
}
} else if (getStateText(point, trect, &result, request)) {
checkForPointInTime();
return result;
} else if (point.y() >= trect.y() + trect.height()) {
result.symbol = item->_text.length();
}
checkForPointInTime();
if (displayRightAction()) {
const auto fastShareSkip = snap(
(g.height() - st::historyFastShareSize) / 2,
@ -921,7 +931,7 @@ bool Message::getStateText(
return false;
}
const auto item = message();
if (trect.contains(point)) {
if (base::in_range(point.y(), trect.y(), trect.y() + trect.height())) {
*outResult = TextState(item, item->_text.getState(
point - trect.topLeft(),
trect.width(),

33
Telegram/SourceFiles/ui/text/text.cpp
View File

@ -1184,12 +1184,16 @@ private:
auto currentBlock = _t->_blocks[blockIndex].get();
auto nextBlock = (++blockIndex < _blocksSize) ? _t->_blocks[blockIndex].get() : nullptr;
int32 delta = (currentBlock->from() < _lineStart ? qMin(_lineStart - currentBlock->from(), 2) : 0);
_localFrom = _lineStart - delta;
int32 lineEnd = (_endBlock && _endBlock->from() < trimmedLineEnd && !elidedLine) ? qMin(uint16(trimmedLineEnd + 2), _t->countBlockEnd(_endBlockIter, _end)) : trimmedLineEnd;
const auto extendLeft = (currentBlock->from() < _lineStart)
? qMin(_lineStart - currentBlock->from(), 2)
: 0;
_localFrom = _lineStart - extendLeft;
const auto extendedLineEnd = (_endBlock && _endBlock->from() < trimmedLineEnd && !elidedLine)
? qMin(uint16(trimmedLineEnd + 2), _t->countBlockEnd(_endBlockIter, _end))
: trimmedLineEnd;
auto lineText = _t->_text.mid(_localFrom, lineEnd - _localFrom);
auto lineStart = delta;
auto lineText = _t->_text.mid(_localFrom, extendedLineEnd - _localFrom);
auto lineStart = extendLeft;
auto lineLength = trimmedLineEnd - _lineStart;
if (elidedLine) {
@ -1241,21 +1245,30 @@ private:
}
if (_fullWidthSelection) {
bool selectFromStart = (_selection.to > _lineStart) && (_lineStart > 0) && (_selection.from <= _lineStart);
bool selectTillEnd = (_selection.to >= _lineEnd) && (_lineEnd < _t->_text.size()) && (_selection.from < _lineEnd) && (!_endBlock || _endBlock->type() != TextBlockTSkip);
const auto selectFromStart = (_selection.to > _lineStart)
&& (_lineStart > 0)
&& (_selection.from <= _lineStart);
const auto selectTillEnd = (_selection.to > trimmedLineEnd)
&& (trimmedLineEnd < _t->_text.size())
&& (_selection.from <= trimmedLineEnd)
&& (!_endBlock || _endBlock->type() != TextBlockTSkip);
if ((selectFromStart && _parDirection == Qt::LeftToRight) || (selectTillEnd && _parDirection == Qt::RightToLeft)) {
if ((selectFromStart && _parDirection == Qt::LeftToRight)
|| (selectTillEnd && _parDirection == Qt::RightToLeft)) {
if (x > _x) {
fillSelectRange(_x, x);
}
}
if ((selectTillEnd && _parDirection == Qt::LeftToRight) || (selectFromStart && _parDirection == Qt::RightToLeft)) {
if ((selectTillEnd && _parDirection == Qt::LeftToRight)
|| (selectFromStart && _parDirection == Qt::RightToLeft)) {
if (x < _x + _wLeft) {
fillSelectRange(x + _w - _wLeft, _x + _w);
}
}
}
if (trimmedLineEnd == _lineStart && !elidedLine) return true;
if (trimmedLineEnd == _lineStart && !elidedLine) {
return true;
}
if (!elidedLine) initParagraphBidi(); // if was not inited