Start implementing rich-text editor
This commit is contained in:
Tobias Fella
committed by
James Graham
James Graham
parent
1f723d1fdf
commit
9cbe9f7280
@@ -11,15 +11,20 @@
|
||||
#include <QSyntaxHighlighter>
|
||||
#include <QTextBlock>
|
||||
#include <QTextDocument>
|
||||
#include <QTextList>
|
||||
#include <QTextTable>
|
||||
#include <QTimer>
|
||||
|
||||
#include <Kirigami/Platform/PlatformTheme>
|
||||
#include <KColorScheme>
|
||||
|
||||
#include <Sonnet/BackgroundChecker>
|
||||
#include <Sonnet/Settings>
|
||||
|
||||
#include "chatbartype.h"
|
||||
#include "chatdocumenthandler_logging.h"
|
||||
#include "eventhandler.h"
|
||||
#include "utils.h"
|
||||
|
||||
using namespace Qt::StringLiterals;
|
||||
|
||||
@@ -216,6 +221,22 @@ int ChatDocumentHandler::cursorPosition() const
|
||||
return m_textItem->property("cursorPosition").toInt();
|
||||
}
|
||||
|
||||
int ChatDocumentHandler::selectionStart() const
|
||||
{
|
||||
if (!m_textItem) {
|
||||
return -1;
|
||||
}
|
||||
return m_textItem->property("selectionStart").toInt();
|
||||
}
|
||||
|
||||
int ChatDocumentHandler::selectionEnd() const
|
||||
{
|
||||
if (!m_textItem) {
|
||||
return -1;
|
||||
}
|
||||
return m_textItem->property("selectionEnd").toInt();
|
||||
}
|
||||
|
||||
NeoChatRoom *ChatDocumentHandler::room() const
|
||||
{
|
||||
return m_room;
|
||||
@@ -241,6 +262,16 @@ void ChatDocumentHandler::setRoom(NeoChatRoom *room)
|
||||
connect(m_room->cacheForType(m_type), &ChatBarCache::textChanged, this, [this]() {
|
||||
int start = completionStartIndex();
|
||||
m_completionModel->setText(getText().mid(start, cursorPosition() - start), getText().mid(start));
|
||||
Q_EMIT fontFamilyChanged();
|
||||
Q_EMIT textColorChanged();
|
||||
Q_EMIT alignmentChanged();
|
||||
Q_EMIT boldChanged();
|
||||
Q_EMIT italicChanged();
|
||||
Q_EMIT underlineChanged();
|
||||
Q_EMIT checkableChanged();
|
||||
Q_EMIT strikethroughChanged();
|
||||
Q_EMIT fontSizeChanged();
|
||||
Q_EMIT fileUrlChanged();
|
||||
});
|
||||
if (!m_room->isSpace() && document() && m_type == ChatBarType::Room) {
|
||||
document()->setPlainText(room->mainCache()->savedText());
|
||||
@@ -379,4 +410,478 @@ void ChatDocumentHandler::updateMentions(const QString &editId)
|
||||
}
|
||||
}
|
||||
|
||||
void ChatDocumentHandler::setFontSize(int size)
|
||||
{
|
||||
if (size <= 0)
|
||||
return;
|
||||
|
||||
QTextCursor cursor = textCursor();
|
||||
if (cursor.isNull())
|
||||
return;
|
||||
|
||||
if (!cursor.hasSelection())
|
||||
cursor.select(QTextCursor::WordUnderCursor);
|
||||
|
||||
if (cursor.charFormat().property(QTextFormat::FontPointSize).toInt() == size)
|
||||
return;
|
||||
|
||||
QTextCharFormat format;
|
||||
format.setFontPointSize(size);
|
||||
mergeFormatOnWordOrSelection(format);
|
||||
Q_EMIT fontSizeChanged();
|
||||
}
|
||||
|
||||
void ChatDocumentHandler::setStrikethrough(bool strikethrough)
|
||||
{
|
||||
QTextCharFormat format;
|
||||
format.setFontStrikeOut(strikethrough);
|
||||
mergeFormatOnWordOrSelection(format);
|
||||
Q_EMIT underlineChanged();
|
||||
}
|
||||
|
||||
void ChatDocumentHandler::setTextColor(const QColor &color)
|
||||
{
|
||||
QTextCharFormat format;
|
||||
format.setForeground(QBrush(color));
|
||||
mergeFormatOnWordOrSelection(format);
|
||||
Q_EMIT textColorChanged();
|
||||
}
|
||||
|
||||
Qt::Alignment ChatDocumentHandler::alignment() const
|
||||
{
|
||||
QTextCursor cursor = textCursor();
|
||||
if (cursor.isNull())
|
||||
return Qt::AlignLeft;
|
||||
return textCursor().blockFormat().alignment();
|
||||
}
|
||||
|
||||
void ChatDocumentHandler::setAlignment(Qt::Alignment alignment)
|
||||
{
|
||||
QTextBlockFormat format;
|
||||
format.setAlignment(alignment);
|
||||
QTextCursor cursor = textCursor();
|
||||
cursor.mergeBlockFormat(format);
|
||||
Q_EMIT alignmentChanged();
|
||||
}
|
||||
|
||||
bool ChatDocumentHandler::bold() const
|
||||
{
|
||||
QTextCursor cursor = textCursor();
|
||||
if (cursor.isNull()) {
|
||||
return false;
|
||||
}
|
||||
return textCursor().charFormat().fontWeight() == QFont::Bold;
|
||||
}
|
||||
|
||||
void ChatDocumentHandler::setBold(bool bold)
|
||||
{
|
||||
QTextCharFormat format;
|
||||
format.setFontWeight(bold ? QFont::Bold : QFont::Normal);
|
||||
mergeFormatOnWordOrSelection(format);
|
||||
Q_EMIT boldChanged();
|
||||
}
|
||||
|
||||
bool ChatDocumentHandler::italic() const
|
||||
{
|
||||
QTextCursor cursor = textCursor();
|
||||
if (cursor.isNull())
|
||||
return false;
|
||||
return textCursor().charFormat().fontItalic();
|
||||
}
|
||||
|
||||
void ChatDocumentHandler::setItalic(bool italic)
|
||||
{
|
||||
QTextCharFormat format;
|
||||
format.setFontItalic(italic);
|
||||
mergeFormatOnWordOrSelection(format);
|
||||
Q_EMIT italicChanged();
|
||||
}
|
||||
|
||||
bool ChatDocumentHandler::underline() const
|
||||
{
|
||||
QTextCursor cursor = textCursor();
|
||||
if (cursor.isNull())
|
||||
return false;
|
||||
return textCursor().charFormat().fontUnderline();
|
||||
}
|
||||
|
||||
void ChatDocumentHandler::setUnderline(bool underline)
|
||||
{
|
||||
QTextCharFormat format;
|
||||
format.setFontUnderline(underline);
|
||||
mergeFormatOnWordOrSelection(format);
|
||||
Q_EMIT underlineChanged();
|
||||
}
|
||||
|
||||
bool ChatDocumentHandler::strikethrough() const
|
||||
{
|
||||
QTextCursor cursor = textCursor();
|
||||
if (cursor.isNull())
|
||||
return false;
|
||||
return textCursor().charFormat().fontStrikeOut();
|
||||
}
|
||||
|
||||
QString ChatDocumentHandler::fontFamily() const
|
||||
{
|
||||
QTextCursor cursor = textCursor();
|
||||
if (cursor.isNull())
|
||||
return QString();
|
||||
QTextCharFormat format = cursor.charFormat();
|
||||
return format.font().family();
|
||||
}
|
||||
|
||||
void ChatDocumentHandler::setFontFamily(const QString &family)
|
||||
{
|
||||
QTextCharFormat format;
|
||||
format.setFontFamilies({family});
|
||||
mergeFormatOnWordOrSelection(format);
|
||||
Q_EMIT fontFamilyChanged();
|
||||
}
|
||||
|
||||
QColor ChatDocumentHandler::textColor() const
|
||||
{
|
||||
QTextCursor cursor = textCursor();
|
||||
if (cursor.isNull())
|
||||
return QColor(Qt::black);
|
||||
QTextCharFormat format = cursor.charFormat();
|
||||
return format.foreground().color();
|
||||
}
|
||||
|
||||
QTextCursor ChatDocumentHandler::textCursor() const
|
||||
{
|
||||
QTextDocument *doc = document();
|
||||
if (!doc)
|
||||
return QTextCursor();
|
||||
|
||||
QTextCursor cursor = QTextCursor(doc);
|
||||
if (selectionStart() != selectionEnd()) {
|
||||
cursor.setPosition(selectionStart());
|
||||
cursor.setPosition(selectionEnd(), QTextCursor::KeepAnchor);
|
||||
} else {
|
||||
cursor.setPosition(cursorPosition());
|
||||
}
|
||||
return cursor;
|
||||
}
|
||||
|
||||
void ChatDocumentHandler::mergeFormatOnWordOrSelection(const QTextCharFormat &format)
|
||||
{
|
||||
QTextCursor cursor = textCursor();
|
||||
if (!cursor.hasSelection())
|
||||
cursor.select(QTextCursor::WordUnderCursor);
|
||||
cursor.mergeCharFormat(format);
|
||||
}
|
||||
|
||||
QString ChatDocumentHandler::currentLinkText() const
|
||||
{
|
||||
QTextCursor cursor = textCursor();
|
||||
selectLinkText(&cursor);
|
||||
return cursor.selectedText();
|
||||
}
|
||||
|
||||
void ChatDocumentHandler::selectLinkText(QTextCursor *cursor) const
|
||||
{
|
||||
// If the cursor is on a link, select the text of the link.
|
||||
if (cursor->charFormat().isAnchor()) {
|
||||
const QString aHref = cursor->charFormat().anchorHref();
|
||||
|
||||
// Move cursor to start of link
|
||||
while (cursor->charFormat().anchorHref() == aHref) {
|
||||
if (cursor->atStart()) {
|
||||
break;
|
||||
}
|
||||
cursor->setPosition(cursor->position() - 1);
|
||||
}
|
||||
if (cursor->charFormat().anchorHref() != aHref) {
|
||||
cursor->setPosition(cursor->position() + 1, QTextCursor::KeepAnchor);
|
||||
}
|
||||
|
||||
// Move selection to the end of the link
|
||||
while (cursor->charFormat().anchorHref() == aHref) {
|
||||
if (cursor->atEnd()) {
|
||||
break;
|
||||
}
|
||||
const int oldPosition = cursor->position();
|
||||
cursor->movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor);
|
||||
// Wordaround Qt Bug. when we have a table.
|
||||
// FIXME selection url
|
||||
if (oldPosition == cursor->position()) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (cursor->charFormat().anchorHref() != aHref) {
|
||||
cursor->setPosition(cursor->position() - 1, QTextCursor::KeepAnchor);
|
||||
}
|
||||
} else if (cursor->hasSelection()) {
|
||||
// Nothing to do. Using the currently selected text as the link text.
|
||||
} else {
|
||||
// Select current word
|
||||
cursor->movePosition(QTextCursor::StartOfWord);
|
||||
cursor->movePosition(QTextCursor::EndOfWord, QTextCursor::KeepAnchor);
|
||||
}
|
||||
}
|
||||
|
||||
void ChatDocumentHandler::insertImage(const QUrl &url)
|
||||
{
|
||||
if (!url.isLocalFile()) {
|
||||
return;
|
||||
}
|
||||
|
||||
QImage image;
|
||||
if (!image.load(url.path())) {
|
||||
return;
|
||||
}
|
||||
|
||||
// Ensure we are putting the image in a new line and not in a list has it
|
||||
// breaks the Qt rendering
|
||||
textCursor().insertHtml(QStringLiteral("<br />"));
|
||||
|
||||
while (canDedentList()) {
|
||||
m_nestedListHelper.handleOnIndentLess(textCursor());
|
||||
}
|
||||
|
||||
textCursor().insertHtml(QStringLiteral("<img width=\"500\" src=\"") + url.path() + QStringLiteral("\"\\>"));
|
||||
}
|
||||
|
||||
void ChatDocumentHandler::insertTable(int rows, int columns)
|
||||
{
|
||||
QString htmlText;
|
||||
|
||||
QTextCursor cursor = textCursor();
|
||||
QTextTableFormat tableFormat;
|
||||
tableFormat.setBorder(1);
|
||||
const int numberOfColumns(columns);
|
||||
QList<QTextLength> constrains;
|
||||
constrains.reserve(numberOfColumns);
|
||||
const QTextLength::Type type = QTextLength::PercentageLength;
|
||||
const int length = 100; // 100% of window width
|
||||
|
||||
const QTextLength textlength(type, length / numberOfColumns);
|
||||
for (int i = 0; i < numberOfColumns; ++i) {
|
||||
constrains.append(textlength);
|
||||
}
|
||||
tableFormat.setColumnWidthConstraints(constrains);
|
||||
tableFormat.setAlignment(Qt::AlignLeft);
|
||||
tableFormat.setCellSpacing(0);
|
||||
tableFormat.setCellPadding(4);
|
||||
tableFormat.setBorderCollapse(true);
|
||||
tableFormat.setBorder(0.5);
|
||||
tableFormat.setTopMargin(20);
|
||||
|
||||
Q_ASSERT(cursor.document());
|
||||
QTextTable *table = cursor.insertTable(rows, numberOfColumns, tableFormat);
|
||||
|
||||
// fill table with whitespace
|
||||
for (int i = 0, rows = table->rows(); i < rows; i++) {
|
||||
for (int j = 0, columns = table->columns(); j < columns; j++) {
|
||||
auto cell = table->cellAt(i, j);
|
||||
Q_ASSERT(cell.isValid());
|
||||
cell.firstCursorPosition().insertText(QStringLiteral(" "));
|
||||
}
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
void ChatDocumentHandler::updateLink(const QString &linkUrl, const QString &linkText)
|
||||
{
|
||||
auto cursor = textCursor();
|
||||
selectLinkText(&cursor);
|
||||
|
||||
cursor.beginEditBlock();
|
||||
|
||||
if (!cursor.hasSelection()) {
|
||||
cursor.select(QTextCursor::WordUnderCursor);
|
||||
}
|
||||
|
||||
QTextCharFormat format = cursor.charFormat();
|
||||
// Save original format to create an extra space with the existing char
|
||||
// format for the block
|
||||
if (!linkUrl.isEmpty()) {
|
||||
// Add link details
|
||||
format.setAnchor(true);
|
||||
format.setAnchorHref(linkUrl);
|
||||
// Workaround for QTBUG-1814:
|
||||
// Link formatting does not get applied immediately when setAnchor(true)
|
||||
// is called. So the formatting needs to be applied manually.
|
||||
format.setUnderlineStyle(QTextCharFormat::SingleUnderline);
|
||||
format.setUnderlineColor(linkColor());
|
||||
format.setForeground(linkColor());
|
||||
} else {
|
||||
// Remove link details
|
||||
format.setAnchor(false);
|
||||
format.setAnchorHref(QString());
|
||||
// Workaround for QTBUG-1814:
|
||||
// Link formatting does not get removed immediately when setAnchor(false)
|
||||
// is called. So the formatting needs to be applied manually.
|
||||
QTextDocument defaultTextDocument;
|
||||
QTextCharFormat defaultCharFormat = defaultTextDocument.begin().charFormat();
|
||||
|
||||
format.setUnderlineStyle(defaultCharFormat.underlineStyle());
|
||||
format.setUnderlineColor(defaultCharFormat.underlineColor());
|
||||
format.setForeground(defaultCharFormat.foreground());
|
||||
}
|
||||
|
||||
// Insert link text specified in dialog, otherwise write out url.
|
||||
QString _linkText;
|
||||
if (!linkText.isEmpty()) {
|
||||
_linkText = linkText;
|
||||
} else {
|
||||
_linkText = linkUrl;
|
||||
}
|
||||
cursor.insertText(_linkText, format);
|
||||
|
||||
cursor.endEditBlock();
|
||||
}
|
||||
|
||||
QColor ChatDocumentHandler::linkColor()
|
||||
{
|
||||
if (mLinkColor.isValid()) {
|
||||
return mLinkColor;
|
||||
}
|
||||
regenerateColorScheme();
|
||||
return mLinkColor;
|
||||
}
|
||||
|
||||
void ChatDocumentHandler::regenerateColorScheme()
|
||||
{
|
||||
mLinkColor = KColorScheme(QPalette::Active, KColorScheme::View).foreground(KColorScheme::LinkText).color();
|
||||
// TODO update existing link
|
||||
}
|
||||
|
||||
int ChatDocumentHandler::currentHeadingLevel() const
|
||||
{
|
||||
return textCursor().blockFormat().headingLevel();
|
||||
}
|
||||
|
||||
void ChatDocumentHandler::indentListMore()
|
||||
{
|
||||
m_nestedListHelper.handleOnIndentMore(textCursor());
|
||||
}
|
||||
|
||||
void ChatDocumentHandler::indentListLess()
|
||||
{
|
||||
m_nestedListHelper.handleOnIndentLess(textCursor());
|
||||
}
|
||||
|
||||
void ChatDocumentHandler::setListStyle(int styleIndex)
|
||||
{
|
||||
m_nestedListHelper.handleOnBulletType(-styleIndex, textCursor());
|
||||
Q_EMIT currentListStyleChanged();
|
||||
}
|
||||
|
||||
void ChatDocumentHandler::setHeadingLevel(int level)
|
||||
{
|
||||
const int boundedLevel = qBound(0, 6, level);
|
||||
// Apparently, 5 is maximum for FontSizeAdjustment; otherwise level=1 and
|
||||
// level=2 look the same
|
||||
const int sizeAdjustment = boundedLevel > 0 ? 5 - boundedLevel : 0;
|
||||
|
||||
QTextCursor cursor = textCursor();
|
||||
cursor.beginEditBlock();
|
||||
|
||||
QTextBlockFormat blkfmt;
|
||||
blkfmt.setHeadingLevel(boundedLevel);
|
||||
cursor.mergeBlockFormat(blkfmt);
|
||||
|
||||
QTextCharFormat chrfmt;
|
||||
chrfmt.setFontWeight(boundedLevel > 0 ? QFont::Bold : QFont::Normal);
|
||||
chrfmt.setProperty(QTextFormat::FontSizeAdjustment, sizeAdjustment);
|
||||
// Applying style to the current line or selection
|
||||
QTextCursor selectCursor = cursor;
|
||||
if (selectCursor.hasSelection()) {
|
||||
QTextCursor top = selectCursor;
|
||||
top.setPosition(qMin(top.anchor(), top.position()));
|
||||
top.movePosition(QTextCursor::StartOfBlock);
|
||||
|
||||
QTextCursor bottom = selectCursor;
|
||||
bottom.setPosition(qMax(bottom.anchor(), bottom.position()));
|
||||
bottom.movePosition(QTextCursor::EndOfBlock);
|
||||
|
||||
selectCursor.setPosition(top.position(), QTextCursor::MoveAnchor);
|
||||
selectCursor.setPosition(bottom.position(), QTextCursor::KeepAnchor);
|
||||
} else {
|
||||
selectCursor.select(QTextCursor::BlockUnderCursor);
|
||||
}
|
||||
selectCursor.mergeCharFormat(chrfmt);
|
||||
|
||||
cursor.mergeBlockCharFormat(chrfmt);
|
||||
cursor.endEditBlock();
|
||||
// richTextComposer()->setTextCursor(cursor);
|
||||
// richTextComposer()->setFocus();
|
||||
// richTextComposer()->activateRichText();
|
||||
}
|
||||
|
||||
bool ChatDocumentHandler::canIndentList() const
|
||||
{
|
||||
return m_nestedListHelper.canIndent(textCursor()) && textCursor().blockFormat().headingLevel() == 0;
|
||||
}
|
||||
|
||||
bool ChatDocumentHandler::canDedentList() const
|
||||
{
|
||||
return m_nestedListHelper.canDedent(textCursor()) && textCursor().blockFormat().headingLevel() == 0;
|
||||
}
|
||||
|
||||
int ChatDocumentHandler::currentListStyle() const
|
||||
{
|
||||
if (!textCursor().currentList()) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
return -textCursor().currentList()->format().style();
|
||||
}
|
||||
|
||||
int ChatDocumentHandler::fontSize() const
|
||||
{
|
||||
QTextCursor cursor = textCursor();
|
||||
if (cursor.isNull())
|
||||
return 0;
|
||||
QTextCharFormat format = cursor.charFormat();
|
||||
return format.font().pointSize();
|
||||
}
|
||||
|
||||
QString ChatDocumentHandler::fileName() const
|
||||
{
|
||||
const QString filePath = QQmlFile::urlToLocalFileOrQrc(m_fileUrl);
|
||||
const QString fileName = QFileInfo(filePath).fileName();
|
||||
if (fileName.isEmpty())
|
||||
return QStringLiteral("untitled.txt");
|
||||
return fileName;
|
||||
}
|
||||
|
||||
QString ChatDocumentHandler::fileType() const
|
||||
{
|
||||
return QFileInfo(fileName()).suffix();
|
||||
}
|
||||
|
||||
QUrl ChatDocumentHandler::fileUrl() const
|
||||
{
|
||||
return m_fileUrl;
|
||||
}
|
||||
|
||||
void ChatDocumentHandler::insertText(const QString &text)
|
||||
{
|
||||
textCursor().insertText(text);
|
||||
}
|
||||
|
||||
QString ChatDocumentHandler::currentLinkUrl() const
|
||||
{
|
||||
return textCursor().charFormat().anchorHref();
|
||||
}
|
||||
|
||||
void ChatDocumentHandler::dumpHtml()
|
||||
{
|
||||
qWarning() << htmlText();
|
||||
}
|
||||
|
||||
QString ChatDocumentHandler::htmlText()
|
||||
{
|
||||
auto text = document()->toMarkdown();
|
||||
while (text.startsWith(u"\n"_s)) {
|
||||
text.remove(0, 1);
|
||||
}
|
||||
while (text.endsWith(u"\n"_s)) {
|
||||
text.remove(text.size() - 1, text.size());
|
||||
}
|
||||
return text;
|
||||
}
|
||||
|
||||
#include "moc_chatdocumenthandler.cpp"
|
||||
|
||||
Reference in New Issue
Block a user