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fix for tilde in OpenSans now in Text, FlatTextarea, InputField and InputArea'

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This commit is contained in:
John Preston 2015-10-27 23:43:42 -04:00
parent e2f83e1662
commit 81f523cd21
4 changed files with 160 additions and 72 deletions
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151
Telegram/SourceFiles/gui/flatinput.cpp
View File

@ -909,6 +909,9 @@ void InputArea::processDocumentContentsChange(int position, int charsAdded) {
int32 emojiPosition = 0, emojiLen = 0;
const EmojiData *emoji = 0;
static QString regular = qsl("Open Sans"), semibold = qsl("Open Sans Semibold");
bool checkTilde = !cRetina() && (font().pixelSize() == 13) && (font().family() == regular), prevTilde = false;
QTextDocument *doc(_inner.document());
QTextCursor c(_inner.textCursor());
c.joinPreviousEditBlock();
@ -929,30 +932,59 @@ void InputArea::processDocumentContentsChange(int position, int charsAdded) {
QString t(fragment.text());
const QChar *ch = t.constData(), *e = ch + t.size();
for (; ch != e; ++ch) {
for (; ch != e; ++ch, ++fp) {
if (checkTilde && fp >= position) { // tilde fix in OpenSans
bool tilde = (ch->unicode() == '~');
QString fontfamily;
if (tilde) {
if (fragment.charFormat().fontFamily() != semibold) {
fontfamily = semibold;
}
} else if (prevTilde) {
if (fragment.charFormat().fontFamily() == semibold) {
fontfamily = regular;
}
}
if (!fontfamily.isEmpty()) {
if (!_inner.document()->pageSize().isNull()) {
_inner.document()->setPageSize(QSizeF(0, 0));
}
emojiPosition = fp;
emojiLen = 1;
QTextCursor c(doc->docHandle(), emojiPosition);
c.setPosition(emojiPosition + emojiLen, QTextCursor::KeepAnchor);
QTextCharFormat format;
format.setFontFamily(fontfamily);
c.mergeCharFormat(format);
break;
}
prevTilde = tilde;
}
emoji = emojiFromText(ch, e, emojiLen);
if (emoji) {
emojiPosition = fp + (ch - t.constData());
emojiPosition = fp;
break;
}
if (ch + 1 < e && ch->isHighSurrogate() && (ch + 1)->isLowSurrogate()) ++ch;
if (ch + 1 < e && ch->isHighSurrogate() && (ch + 1)->isLowSurrogate()) {
++ch;
++fp;
}
}
if (emoji) break;
if (emojiPosition) break;
}
if (emoji) break;
if (emojiPosition) break;
}
if (emoji) {
if (!_inner.document()->pageSize().isNull()) {
_inner.document()->setPageSize(QSizeF(0, 0));
if (emojiPosition) {
if (emoji) {
if (!_inner.document()->pageSize().isNull()) {
_inner.document()->setPageSize(QSizeF(0, 0));
}
QTextCursor c(doc->docHandle(), emojiPosition);
c.setPosition(emojiPosition + emojiLen, QTextCursor::KeepAnchor);
insertEmoji(emoji, c);
}
QTextCursor c(doc->docHandle(), emojiPosition);
c.setPosition(emojiPosition + emojiLen, QTextCursor::KeepAnchor);
int32 removedUpto = c.position();
insertEmoji(emoji, c);
charsAdded -= removedUpto - position;
charsAdded -= emojiPosition + emojiLen - position;
position = emojiPosition + 1;
emoji = 0;
@ -1565,7 +1597,8 @@ void InputField::processDocumentContentsChange(int position, int charsAdded) {
int32 emojiPosition = 0, emojiLen = 0;
const EmojiData *emoji = 0;
static QString space(' ');
static QString regular = qsl("Open Sans"), semibold = qsl("Open Sans Semibold"), space(' ');
bool checkTilde = !cRetina() && (font().pixelSize() == 13) && (font().family() == regular), prevTilde = false;
QTextDocument *doc(_inner.document());
QTextCursor c(_inner.textCursor());
@ -1587,55 +1620,81 @@ void InputField::processDocumentContentsChange(int position, int charsAdded) {
QString t(fragment.text());
const QChar *ch = t.constData(), *e = ch + t.size();
for (; ch != e; ++ch) {
for (; ch != e; ++ch, ++fp) {
if (checkTilde && fp >= position) { // tilde fix in OpenSans
bool tilde = (ch->unicode() == '~');
QString fontfamily;
if (tilde) {
if (fragment.charFormat().fontFamily() != semibold) {
fontfamily = semibold;
}
} else if (prevTilde) {
if (fragment.charFormat().fontFamily() == semibold) {
fontfamily = regular;
}
}
if (!fontfamily.isEmpty()) {
if (!_inner.document()->pageSize().isNull()) {
_inner.document()->setPageSize(QSizeF(0, 0));
}
emojiPosition = fp;
emojiLen = 1;
QTextCursor c(doc->docHandle(), emojiPosition);
c.setPosition(emojiPosition + emojiLen, QTextCursor::KeepAnchor);
QTextCharFormat format;
format.setFontFamily(fontfamily);
c.mergeCharFormat(format);
break;
}
prevTilde = tilde;
}
// QTextBeginningOfFrame // QTextEndOfFrame
if (ch->unicode() == 0xfdd0 || ch->unicode() == 0xfdd1 || ch->unicode() == QChar::ParagraphSeparator || ch->unicode() == QChar::LineSeparator || ch->unicode() == '\n' || ch->unicode() == '\r') {
if (!_inner.document()->pageSize().isNull()) {
_inner.document()->setPageSize(QSizeF(0, 0));
}
int32 nlPosition = fp + (ch - t.constData());
QTextCursor c(doc->docHandle(), nlPosition);
c.setPosition(nlPosition + 1, QTextCursor::KeepAnchor);
emojiPosition = fp;
emojiLen = 1;
QTextCursor c(doc->docHandle(), emojiPosition);
c.setPosition(emojiPosition + emojiLen, QTextCursor::KeepAnchor);
c.insertText(space);
position = nlPosition + 1;
emoji = TwoSymbolEmoji; // just a flag
break;
}
emoji = emojiFromText(ch, e, emojiLen);
if (emoji) {
emojiPosition = fp + (ch - t.constData());
emojiPosition = fp;
break;
}
if (ch + 1 < e && ch->isHighSurrogate() && (ch + 1)->isLowSurrogate()) ++ch;
if (ch + 1 < e && ch->isHighSurrogate() && (ch + 1)->isLowSurrogate()) {
++ch;
++fp;
}
}
if (emoji) break;
if (emojiPosition) break;
}
if (emoji) break;
if (emojiPosition) break;
if (b.next() != doc->end()) {
int32 nlPosition = b.next().position() - 1;
QTextCursor c(doc->docHandle(), nlPosition);
c.setPosition(nlPosition + 1, QTextCursor::KeepAnchor);
emojiPosition = b.next().position() - 1;
emojiLen = 1;
QTextCursor c(doc->docHandle(), emojiPosition);
c.setPosition(emojiPosition + emojiLen, QTextCursor::KeepAnchor);
c.insertText(space);
position = nlPosition + 1;
emoji = TwoSymbolEmoji; // just a flag
break;
}
}
if (emoji == TwoSymbolEmoji) { // just skip
emoji = 0;
emojiPosition = 0;
} else if (emoji) {
if (!_inner.document()->pageSize().isNull()) {
_inner.document()->setPageSize(QSizeF(0, 0));
if (emojiPosition) {
if (emoji) {
if (!_inner.document()->pageSize().isNull()) {
_inner.document()->setPageSize(QSizeF(0, 0));
}
QTextCursor c(doc->docHandle(), emojiPosition);
c.setPosition(emojiPosition + emojiLen, QTextCursor::KeepAnchor);
insertEmoji(emoji, c);
}
QTextCursor c(doc->docHandle(), emojiPosition);
c.setPosition(emojiPosition + emojiLen, QTextCursor::KeepAnchor);
int32 removedUpto = c.position();
insertEmoji(emoji, c);
charsAdded -= removedUpto - position;
charsAdded -= emojiPosition + emojiLen - position;
position = emojiPosition + 1;
emoji = 0;

66
Telegram/SourceFiles/gui/flattextarea.cpp
View File

@ -622,8 +622,10 @@ void FlatTextarea::processDocumentContentsChange(int position, int charsAdded) {
int32 emojiPosition = 0, emojiLen = 0;
const EmojiData *emoji = 0;
QTextDocument *doc(document());
static QString regular = qsl("Open Sans"), semibold = qsl("Open Sans Semibold");
bool checkTilde = !cRetina() && (font().pixelSize() == 13) && (font().family() == regular), prevTilde = false;
QTextDocument *doc(document());
while (true) {
int32 start = position, end = position + charsAdded;
QTextBlock from = doc->findBlock(start), till = doc->findBlock(end);
@ -638,33 +640,61 @@ void FlatTextarea::processDocumentContentsChange(int position, int charsAdded) {
if (fp >= end || fe <= start) {
continue;
}
QString t(fragment.text());
const QChar *ch = t.constData(), *e = ch + t.size();
for (; ch != e; ++ch) {
for (; ch != e; ++ch, ++fp) {
if (checkTilde && fp >= position) { // tilde fix in OpenSans
bool tilde = (ch->unicode() == '~');
QString fontfamily;
if (tilde) {
if (fragment.charFormat().fontFamily() != semibold) {
fontfamily = semibold;
}
} else if (prevTilde) {
if (fragment.charFormat().fontFamily() == semibold) {
fontfamily = regular;
}
}
if (!fontfamily.isEmpty()) {
if (!document()->pageSize().isNull()) {
document()->setPageSize(QSizeF(0, 0));
}
emojiPosition = fp;
emojiLen = 1;
QTextCursor c(doc->docHandle(), emojiPosition);
c.setPosition(emojiPosition + emojiLen, QTextCursor::KeepAnchor);
QTextCharFormat format;
format.setFontFamily(fontfamily);
c.mergeCharFormat(format);
break;
}
prevTilde = tilde;
}
emoji = emojiFromText(ch, e, emojiLen);
if (emoji) {
emojiPosition = fp + (ch - t.constData());
emojiPosition = fp;
break;
}
if (ch + 1 < e && ch->isHighSurrogate() && (ch + 1)->isLowSurrogate()) ++ch;
if (ch + 1 < e && ch->isHighSurrogate() && (ch + 1)->isLowSurrogate()) {
++ch;
++fp;
}
}
if (emoji) break;
if (emojiPosition) break;
}
if (emoji) break;
if (emojiPosition) break;
}
if (emoji) {
if (!document()->pageSize().isNull()) {
document()->setPageSize(QSizeF(0, 0));
if (emojiPosition) {
if (emoji) {
if (!document()->pageSize().isNull()) {
document()->setPageSize(QSizeF(0, 0));
}
QTextCursor c(doc->docHandle(), emojiPosition);
c.setPosition(emojiPosition + emojiLen, QTextCursor::KeepAnchor);
insertEmoji(emoji, c);
}
QTextCursor c(doc->docHandle(), emojiPosition);
c.setPosition(emojiPosition + emojiLen, QTextCursor::KeepAnchor);
int32 removedUpto = c.position();
insertEmoji(emoji, c);
charsAdded -= removedUpto - position;
charsAdded -= emojiPosition + emojiLen - position;
position = emojiPosition + 1;
emoji = 0;

13
Telegram/SourceFiles/gui/text.cpp
View File

@ -575,13 +575,12 @@ public:
if (skip) {
ch = 0;
} else {
if (isTilde) {
if (isTilde) { // tilde fix in OpenSans
if (!(flags & TextBlockFTilde)) {
createBlock();
flags |= TextBlockFTilde;
}
}
else {
} else {
if (flags & TextBlockFTilde) {
createBlock();
flags &= ~TextBlockFTilde;
@ -1786,8 +1785,8 @@ public:
}
if (flags & TextBlockFItalic) result = result->italic();
if (flags & TextBlockFUnderline) result = result->underline();
if ((flags & TextBlockFTilde) && f->size() == 13) {
result = style::font(f->size() + 1, result->flags(), result->family());
if ((flags & TextBlockFTilde) && !cRetina() && f->size() == 13 && f->flags() == 0) { // tilde fix in OpenSans
result = st::semiboldFont;
}
}
return result;
@ -3245,8 +3244,8 @@ TextBlock::TextBlock(const style::font &font, const QString &str, QFixed minResi
}
if (flags & TextBlockFItalic) blockFont = blockFont->italic();
if (flags & TextBlockFUnderline) blockFont = blockFont->underline();
if ((flags & TextBlockFTilde) && font->size() == 13) {
blockFont = style::font(font->size() + 1, blockFont->flags(), blockFont->family());
if ((flags & TextBlockFTilde) && !cRetina() && font->size() == 13 && font->flags() == 0) { // tilde fix in OpenSans
blockFont = st::semiboldFont;
}
}

2
Telegram/SourceFiles/gui/text.h
View File

@ -128,7 +128,7 @@ enum TextBlockFlags {
TextBlockFBold = 0x01,
TextBlockFItalic = 0x02,
TextBlockFUnderline = 0x04,
TextBlockFTilde = 0x08, // hack for ~ in OpenSans
TextBlockFTilde = 0x08, // tilde fix in OpenSans
TextBlockFSemibold = 0x10,
TextBlockFCode = 0x20,
TextBlockFPre = 0x40,