From 3250fc72f906797f113855cf9dde4e7803a66bd9 Mon Sep 17 00:00:00 2001
From: rtk0c <mail.tianyig@gmail.com>
Date: Mon, 27 Jun 2022 00:14:58 +0000
Subject: (From git) Reformat qt ui project

git-svn-id: file:///home/arch/svn/epistmool/trunk@5 71f44415-077c-4ad7-a976-72ddbf76608f
---
 ui.qt/source/Document.cpp | 152 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 152 insertions(+)
 create mode 100644 ui.qt/source/Document.cpp

(limited to 'ui.qt/source/Document.cpp')

diff --git a/ui.qt/source/Document.cpp b/ui.qt/source/Document.cpp
new file mode 100644
index 0000000..272ac4c
--- /dev/null
+++ b/ui.qt/source/Document.cpp
@@ -0,0 +1,152 @@
+#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);
+}
-- 
cgit v1.2.3-70-g09d2