First implementation

window/TraceWindow/AggregatedTraceViewModel.h

@@ -0,0 +1,76 @@
+/*
+
+  Copyright (c) 2015, 2016 Hubert Denkmair <hubert@denkmair.de>
+
+  This file is part of cangaroo.
+
+  cangaroo is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 2 of the License, or
+  (at your option) any later version.
+
+  cangaroo is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with cangaroo.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#pragma once
+
+#include <QAbstractItemModel>
+#include <QMap>
+#include <QList>
+#include <sys/time.h>
+
+#include "BaseTraceViewModel.h"
+#include <core/CanMessage.h>
+#include <driver/CanInterface.h>
+
+#include "AggregatedTraceViewItem.h"
+
+
+class CanTrace;
+
+class AggregatedTraceViewModel : public BaseTraceViewModel
+{
+    Q_OBJECT
+
+public:
+    typedef uint64_t unique_key_t;
+    typedef QMap<unique_key_t, AggregatedTraceViewItem*> CanIdMap;
+
+public:
+    AggregatedTraceViewModel(Backend &backend);
+
+    virtual QModelIndex index(int row, int column, const QModelIndex &parent) const;
+    virtual QModelIndex parent(const QModelIndex &child) const;
+    virtual int rowCount(const QModelIndex &parent) const;
+
+private:
+    CanIdMap _map;
+    AggregatedTraceViewItem *_rootItem;
+    QList<CanMessage> _pendingMessageUpdates;
+    QMap<unique_key_t, CanMessage> _pendingMessageInserts;
+
+    unique_key_t makeUniqueKey(const CanMessage &msg) const;
+    void createItem(const CanMessage &msg, AggregatedTraceViewItem *item, unique_key_t key);
+    double getTimeDiff(const timeval t1, const timeval t2) const;
+    
+protected:
+    virtual QVariant data_DisplayRole(const QModelIndex &index, int role) const;
+    virtual QVariant data_TextColorRole(const QModelIndex &index, int role) const;
+
+private slots:
+    void createItem(const CanMessage &msg);
+    void updateItem(const CanMessage &msg);
+    void onUpdateModel();
+    void onSetupChanged();
+
+    void beforeAppend(int num_messages);
+    void beforeClear();
+    void afterClear();
+};