(From git) Initial Qt GUI setup

git-svn-id: file:///home/arch/svn/epistmool/trunk@2 71f44415-077c-4ad7-a976-72ddbf76608f

11 files changed, 329 insertions, 0 deletions

diff --git a/ui.qt/source/document.cpp b/ui.qt/source/document.cpp
new file mode 100644
index 0000000..b418b0d
--- /dev/null
+++ b/ui.qt/source/document.cpp
@@ -0,0 +1,78 @@
+#include "document.hpp"
+
+#include <QMetaType>
+#include <QVariant>
+
+DocumentBlock::DocumentBlock(QObject* parent)
+	: QObject{ parent }
+{
+}
+
+DocumentModel* DocumentBlock::getModel() const
+{
+	return mModel;
+}
+
+void DocumentBlock::setModel(DocumentModel* newModel)
+{
+	mModel = newModel;
+}
+
+QQuickTextDocument* DocumentBlock::getDoc() const
+{
+	return mDoc;
+}
+
+void DocumentBlock::setDoc(QQuickTextDocument* newDoc)
+{
+	if (mDoc != newDoc) {
+		if (mDoc) {
+			disconnect(mDoc->textDocument(), nullptr, this, nullptr);
+		}
+		mDoc = newDoc;
+		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();
+	}
+}
+
+const QDateTime& DocumentBlock::getModifyTime() const
+{
+	return mModifyTime;
+}
+
+void DocumentModel::appendBlock(DocumentBlock* block)
+{
+	mBlocks.push_back(block);
+}
+
+int DocumentModel::rowCount(const QModelIndex& parent) const
+{
+	return mBlocks.size();
+}
+
+QVariant DocumentModel::data(const QModelIndex& index, int role) const
+{
+	if (index.row() < 0 || index.row() >= mBlocks.size()) {
+		return QVariant();
+	}
+
+	switch (role) {
+		case Qt::DisplayRole: return QVariant::fromValue(mBlocks[index.row()]);
+		case ModifyTimeRole: return mBlocks[index.row()]->getModifyTime();
+		default: return QVariant();
+	}
+}
+
+QHash<int, QByteArray> DocumentModel::roleNames() const
+{
+	QHash<int, QByteArray> roles;
+	roles[Qt::DisplayRole] = "display",
+	roles[ModifyTimeRole] = "modifyTime";
+	return roles;
+}
diff --git a/ui.qt/source/document.hpp b/ui.qt/source/document.hpp
new file mode 100644
index 0000000..ba11e26
--- /dev/null
+++ b/ui.qt/source/document.hpp
@@ -0,0 +1,62 @@
+#pragma once
+
+#include "fwd.hpp"
+
+#include <QAbstractItemModel>
+#include <QDateTime>
+#include <QObject>
+#include <QQuickTextDocument>
+
+class DocumentBlock : public QObject
+{
+	Q_OBJECT
+	QML_ELEMENT
+
+	Q_PROPERTY(QQuickTextDocument* textDocument READ getDoc WRITE setDoc NOTIFY docChanged)
+
+private:
+	DocumentModel* mModel;
+	QQuickTextDocument* mDoc = nullptr;
+	QDateTime mModifyTime;
+
+public:
+	explicit DocumentBlock(QObject* parent = nullptr);
+
+	DocumentModel* getModel() const;
+	void setModel(DocumentModel* newModel);
+
+	QQuickTextDocument* getDoc() const;
+	void setDoc(QQuickTextDocument* newDoc);
+
+	const QDateTime& getModifyTime() const;
+
+signals:
+	void docChanged();
+	void modificationChanged();
+};
+
+class DocumentModel : public QAbstractItemModel
+{
+	Q_OBJECT
+	QML_ELEMENT
+
+private:
+	std::vector<DocumentBlock*> mBlocks;
+
+public:
+	enum DocumentRoles {
+		ModifyTimeRole = Qt::UserRole + 1,
+	};
+
+	DocumentModel(QObject* parent = nullptr);
+
+	void appendBlock(DocumentBlock* block);
+	// TODO
+	// void moveBlock()
+
+	int rowCount(const QModelIndex& parent = QModelIndex()) const override;
+	QVariant data(const QModelIndex& index, int role = Qt::DisplayRole) const override;
+
+protected:
+	QHash<int, QByteArray> roleNames() const override;
+};
diff --git a/ui.qt/source/fwd.hpp b/ui.qt/source/fwd.hpp
new file mode 100644
index 0000000..7f98627
--- /dev/null
+++ b/ui.qt/source/fwd.hpp
@@ -0,0 +1,14 @@
+#pragma once
+
+// document.hpp
+class DocumentBlock;
+class DocumentModel;
+
+// keyword.hpp
+class Keyword;
+class KeywordDatabase;
+
+// knowledgefragment.cpp
+struct KnowledgeId;
+class KnowledgeFragment;
+class KnowledgeDatabase;
diff --git a/ui.qt/source/keyword.cpp b/ui.qt/source/keyword.cpp
new file mode 100644
index 0000000..f782437
--- /dev/null
+++ b/ui.qt/source/keyword.cpp
@@ -0,0 +1,10 @@
+#include "keyword.hpp"
+
+#include "knowledgefragment.hpp"
+
+Keyword::Keyword(const QString& name)
+	: name(name)
+{
+}
+
+Keyword::~Keyword() = default;
diff --git a/ui.qt/source/keyword.hpp b/ui.qt/source/keyword.hpp
new file mode 100644
index 0000000..bc50473
--- /dev/null
+++ b/ui.qt/source/keyword.hpp
@@ -0,0 +1,26 @@
+#pragma once
+
+#include "fwd.hpp"
+
+#include <QString>
+#include <vector>
+
+class Keyword
+{
+private:
+	QString name;
+	std::vector<KnowledgeId> associations;
+
+public:
+	Keyword(const QString& name);
+	~Keyword();
+
+	Keyword(const Keyword&) = default;
+	Keyword& operator=(const Keyword&) = default;
+	Keyword(Keyword&&) = default;
+	Keyword& operator=(Keyword&&) = default;
+};
+
+class KeywordDatabase
+{
+};
diff --git a/ui.qt/source/knowledgefragment.cpp b/ui.qt/source/knowledgefragment.cpp
new file mode 100644
index 0000000..4db09e7
--- /dev/null
+++ b/ui.qt/source/knowledgefragment.cpp
@@ -0,0 +1,11 @@
+#include "knowledgefragment.hpp"
+
+KnowledgeFragment::KnowledgeFragment(KnowledgeId id)
+	: id{ id }
+{
+}
+
+KnowledgeId KnowledgeFragment::getId() const
+{
+	return id;
+}
diff --git a/ui.qt/source/knowledgefragment.hpp b/ui.qt/source/knowledgefragment.hpp
new file mode 100644
index 0000000..533d99f
--- /dev/null
+++ b/ui.qt/source/knowledgefragment.hpp
@@ -0,0 +1,38 @@
+#pragma once
+
+#include "fwd.hpp"
+
+#include <QDateTime>
+#include <cstddef>
+#include <vector>
+
+struct KnowledgeId
+{
+	size_t id;
+};
+
+class KnowledgeFragment
+{
+private:
+	QDateTime createTime;
+	QDateTime modifyTime;
+	KnowledgeId id;
+
+public:
+    KnowledgeFragment(KnowledgeId id);
+
+    KnowledgeId getId() const;
+};
+
+class KnowledgeDatabase
+{
+private:
+    std::vector<KnowledgeFragment> storage;
+    std::vector<size_t> index; // Mapping from KnowledgeId (index) to `storage` index
+    KnowledgeId nextId;
+
+public:
+    KnowledgeId allocateFragment();
+    bool deleteFragment(KnowledgeId id);
+    KnowledgeFragment* getFragment(KnowledgeId id);
+};
diff --git a/ui.qt/source/main.cpp b/ui.qt/source/main.cpp
new file mode 100644
index 0000000..e92863f
--- /dev/null
+++ b/ui.qt/source/main.cpp
@@ -0,0 +1,35 @@
+#include <QGuiApplication>
+#include <QLocale>
+#include <QQmlApplicationEngine>
+#include <QTranslator>
+
+int main(int argc, char *argv[])
+{
+    QGuiApplication app(argc, argv);
+
+    QTranslator translator;
+    const QStringList uiLanguages = QLocale::system().uiLanguages();
+    for (const QString& locale : uiLanguages) {
+        const QString baseName = "EpistmoolUI_" + QLocale(locale).name();
+        if (translator.load(":/i18n/" + baseName)) {
+            app.installTranslator(&translator);
+            break;
+        }
+    }
+
+	QQmlApplicationEngine engine;
+	const QUrl url(u"qrc:/EpistmoolUI/source/qml/MainWindow.qml"_qs);
+	QObject::connect(
+		&engine,
+		&QQmlApplicationEngine::objectCreated,
+		&app,
+		[url](QObject* obj, const QUrl& objUrl) {
+            if (!obj && url == objUrl) {
+                QCoreApplication::exit(-1);
+            }
+		},
+		Qt::QueuedConnection);
+	engine.load(url);
+
+    return app.exec();
+}
diff --git a/ui.qt/source/qml/Document.qml b/ui.qt/source/qml/Document.qml
new file mode 100644
index 0000000..e62b731
--- /dev/null
+++ b/ui.qt/source/qml/Document.qml
@@ -0,0 +1,39 @@
+import QtCore
+import QtQuick
+import QtQuick.Controls
+
+import EpistmoolUI
+
+Item {
+    DocumentModel {
+        id: documentModel
+    }
+
+    ScrollView {
+        id: scrollView
+
+        ListView {
+            id: listView
+            model: documentModel
+            anchors.fill: parent
+
+            delegate: Item {
+                required property DocumentBlock documentBlock
+                required property date modifyTime
+
+                Component.onCompleted: {
+                    documentBlock.textDocument = textArea.textDocument
+                }
+
+                TextArea {
+                    id: textArea
+                    textFormat: Qt.RichText
+                    wrapMode: TextArea.Wrap
+                    focus: true
+                    selectByMouse: true
+                    persistentSelection: true
+                }
+            }
+        }
+    }
+}
diff --git a/ui.qt/source/qml/GoToKnowledge.qml b/ui.qt/source/qml/GoToKnowledge.qml
new file mode 100644
index 0000000..f97cbcf
--- /dev/null
+++ b/ui.qt/source/qml/GoToKnowledge.qml
@@ -0,0 +1,4 @@
+import QtQuick
+
+Item {
+}
diff --git a/ui.qt/source/qml/MainWindow.qml b/ui.qt/source/qml/MainWindow.qml
new file mode 100644
index 0000000..905f0e8
--- /dev/null
+++ b/ui.qt/source/qml/MainWindow.qml
@@ -0,0 +1,12 @@
+import QtQuick
+
+Window {
+    width: 640
+    height: 480
+    visible: true
+    title: qsTr("Hello World")
+
+    Document {
+        id: doc
+    }
+}