Add tabs to file manager

src/filemanager.h

@@ -5,22 +5,59 @@
 #include <QCache>
 #include <QFileSystemModel>
 #include <QTreeView>
+#include <QDialog>
+#include <QTabBar>
+#include <QHBoxLayout>
 #include "imageinfodata.h"
 
 namespace Ui {
 class FileManager;
+class FITSKeyword;
 }
 
+class PathTabBar : public QTabBar
+{
+    Q_OBJECT
+public:
+    explicit PathTabBar(const QStringList &tabs);
+    QHBoxLayout* createLayout();
+    const QStringList& tabPaths() const;
+    QString currentTabPath() const;
+public slots:
+    void pathChanged(const QString &path);
+signals:
+    void tabChanged(const QString &path);
+private:
+    QStringList _tabs;
+};
+
+class FITSSelection : public QDialog
+{
+    Q_OBJECT
+public:
+    FITSSelection(const QStringList &keywords, QWidget *parent = nullptr);
+    ~FITSSelection();
+    QStringList FITSKeywords() const;
+private:
+    Ui::FITSKeyword *ui;
+};
+
 class FileManager : public QMainWindow
 {
     Q_OBJECT
 public:
     explicit FileManager(const QSet<QString> &openFilter, QWidget *parent = nullptr);
     ~FileManager();
+public slots:
+    void selectFITSKeywords();
+protected slots:
+    void addTab();
 signals:
     void openFile(const QString &path);
 private:
     Ui::FileManager *ui;
+    PathTabBar *_leftTabBar;
+    PathTabBar *_rightTabBar;
 };
 
 class DirFileSystemModel : public QFileSystemModel
@@ -35,6 +72,8 @@ public:
     explicit DirFileSystemModel(QObject *parent = nullptr);
     void setDir(const QString &path);
     QString dir() const;
+    void setFITSKeywords(const QStringList &keywords);
+    const QStringList& FITSKeywords() const;
     Qt::ItemFlags flags(const QModelIndex &index) const override;
     int columnCount(const QModelIndex &parent) const override;
     QVariant data(const QModelIndex &index, int role) const override;
@@ -54,8 +93,11 @@ public:
     void setDir(const QString &path);
     QString dir() const;
     void setOpenFilter(const QSet<QString> &openFilter);
+    void setFITSKeywords(const QStringList &keywords);
+    const QStringList& FITSKeywords() const;
 public slots:
     void headerContextMenu(const QPoint &pos);
+    void loadFitsKeywords(bool enable);
 signals:
     void dirChanged(const QString &path);
     void openFile(const QString &path);