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#include "Document.hpp"
#include <QBrush>
#include <QColor>
#include <QTextCursor>
#include <QVariant>
DocumentHandler::DocumentHandler(QObject* parent)
: QObject{ parent }
{
}
QQuickTextDocument* DocumentHandler::getDoc() const
{
return mDoc;
}
void DocumentHandler::setDoc(QQuickTextDocument* newDoc)
{
if (mDoc != newDoc) {
auto oldDoc = mDoc;
mDoc = newDoc;
if (oldDoc) {
disconnect(oldDoc->textDocument(), nullptr, this, nullptr);
}
if (newDoc) {
connect(newDoc->textDocument(), &QTextDocument::modificationChanged, this, [&]() {
// TODO add a timer to wait for 1 second before updating?
mModifyTime = QDateTime::currentDateTime();
emit modificationChanged();
});
}
emit docChanged(oldDoc);
}
}
const QDateTime& DocumentHandler::getModifyTime() const
{
return mModifyTime;
}
int DocumentHandler::getCursorPos() const
{
return mCursorPos;
}
void DocumentHandler::setCursorPos(int newCursorPos)
{
if (mCursorPos == newCursorPos) {
return;
}
mCursorPos = newCursorPos;
emit cursorPosChanged();
}
int DocumentHandler::getSelectionBegin() const
{
return mSelectionBegin;
}
void DocumentHandler::setSelectionBegin(int newSelectionBegin)
{
if (mSelectionBegin == newSelectionBegin) {
return;
}
mSelectionBegin = newSelectionBegin;
emit selectionBeginChanged();
}
int DocumentHandler::getSelectionEnd() const
{
return mSelectionEnd;
}
void DocumentHandler::setSelectionEnd(int newSelectionEnd)
{
if (mSelectionEnd == newSelectionEnd) {
return;
}
mSelectionEnd = newSelectionEnd;
emit selectionEndChanged();
}
QFont DocumentHandler::getActiveFont() const
{
auto cursor = makeTextCursor();
if (cursor.isNull()) {
return mDoc->textDocument()->defaultFont();
}
auto format = cursor.charFormat();
return format.font();
}
void DocumentHandler::setActiveFont(const QFont& font)
{
auto cursor = makeTextCursor();
if (!cursor.isNull() && cursor.charFormat().font() == font) {
return;
}
QTextCharFormat format;
format.setFont(font);
mergeFormatOnWordOrSelection(format);
emit activeFontChanged();
}
QColor DocumentHandler::getActiveTextColor() const
{
auto cursor = makeTextCursor();
if (cursor.isNull()) {
return QColor(Qt::black);
}
QTextCharFormat format = cursor.charFormat();
return format.foreground().color();
}
void DocumentHandler::setActiveTextColor(const QColor& color)
{
QTextCharFormat format;
format.setForeground(QBrush(color));
mergeFormatOnWordOrSelection(format);
emit activeTextColorChanged();
}
QTextCursor DocumentHandler::makeTextCursor() const
{
auto doc = mDoc->textDocument();
if (!doc) {
return QTextCursor();
}
QTextCursor cursor(doc);
if (mSelectionBegin != mSelectionEnd) {
cursor.setPosition(mSelectionBegin);
cursor.setPosition(mSelectionEnd, QTextCursor::KeepAnchor);
} else {
cursor.setPosition(mCursorPos);
}
return cursor;
}
void DocumentHandler::mergeFormatOnWordOrSelection(const QTextCharFormat& format)
{
auto cursor = makeTextCursor();
if (!cursor.hasSelection()) {
cursor.select(QTextCursor::WordUnderCursor);
}
cursor.mergeCharFormat(format);
}
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