1 files changed, 73 insertions, 0 deletions
diff --git a/SQLiteStudio3/guiSQLiteStudio/taskbar.h b/SQLiteStudio3/guiSQLiteStudio/taskbar.h
new file mode 100644
index 0000000..e858f7b
--- /dev/null
+++ b/SQLiteStudio3/guiSQLiteStudio/taskbar.h
@@ -0,0 +1,73 @@
+#ifndef TASKBAR_H
+#define TASKBAR_H
+
+#include "guiSQLiteStudio_global.h"
+#include <QToolBar>
+#include <QActionGroup>
+
+class QMimeData;
+class QToolButton;
+class QRubberBand;
+class ExtActionContainer;
+
+// TODO enclose task<->mdiWindow relation inside a task class and make it managed by taskbar, not by mdiarea
+class GUI_API_EXPORT TaskBar : public QToolBar
+{
+        Q_OBJECT
+    public:
+        TaskBar(const QString& title, QWidget *parent = 0);
+        explicit TaskBar(QWidget *parent = 0);
+
+        QAction* addTask(const QIcon& icon, const QString& text);
+        void removeTask(QAction* action);
+        QList<QAction*> getTasks() const;
+        bool isEmpty();
+        int count();
+
+    protected:
+        void mousePressEvent(QMouseEvent* event);
+        void mouseMoveEvent(QMouseEvent* event);
+        void dragEnterEvent(QDragEnterEvent* event);
+        void dragMoveEvent(QDragMoveEvent* event);
+        void dropEvent(QDropEvent* event);
+
+    private:
+        void init();
+        bool handleMouseMoveEvent(QMouseEvent* event);
+        QToolButton* getToolButton(QAction* action);
+        QAction* getNextClosestAction(const QPoint& position);
+        void dragTaskTo(QAction* task, const QPoint& position);
+        void dragTaskTo(QAction* task, int positionIndex);
+        QAction* getDragTask(const QMimeData* data);
+        QMimeData* generateMimeData();
+        int getActiveTaskIdx();
+
+        constexpr static const char* mimeDataId = "application/x-sqlitestudio-taskbar-task";
+
+        /**
+         * @brief getDropPositionIndex
+         * @param task
+         * @param position
+         * @return Index of action in actions() that drag should be inserting dropped item just before, or -1 to indicate "at the end".
+         */
+        int getDropPositionIndex(QAction* task, const QPoint& position);
+
+        QActionGroup taskGroup;
+        QList<QAction*> tasks;
+        QAction* dragStartTask = nullptr;
+        QPoint dragStartPosition;
+        int dragStartIndex;
+        int dragCurrentIndex;
+        QMenu* taskMenu = nullptr;
+
+    public slots:
+        void nextTask();
+        void prevTask();
+        void initContextMenu(ExtActionContainer *mainWin);
+
+    private slots:
+        void taskBarMenuRequested(const QPoint& p);
+        void mousePressed();
+};
+
+#endif // TASKBAR_H