app: add object-focused tab

app/CMakeLists.txt

@@ -17,11 +17,15 @@ set(PROJECT_SOURCES
   panels/riff.cpp
   panels/riff.h
 
+  abstractsiitemmodel.cpp
+  abstractsiitemmodel.h
   chunkmodel.cpp
   chunkmodel.h
   main.cpp
   mainwindow.cpp
   mainwindow.h
+  objectmodel.cpp
+  objectmodel.h
 )
 
 if(${QT_VERSION_MAJOR} GREATER_EQUAL 6)

app/abstractsiitemmodel.cpp

@@ -0,0 +1,26 @@
+#include "abstractsiitemmodel.h"
+
+using namespace si;
+
+AbstractSIItemModel::AbstractSIItemModel(QObject *parent) :
+  QAbstractItemModel{parent},
+  chunk_(nullptr)
+{
+
+}
+
+void AbstractSIItemModel::SetChunk(si::Chunk *c)
+{
+  beginResetModel();
+  chunk_ = c;
+  endResetModel();
+}
+
+si::Chunk *AbstractSIItemModel::GetChunkFromIndex(const QModelIndex &index) const
+{
+  if (!index.isValid()) {
+    return chunk_;
+  } else {
+    return static_cast<Chunk*>(index.internalPointer());
+  }
+}

app/abstractsiitemmodel.h

@@ -0,0 +1,25 @@
+#ifndef ABSTRACTSIITEMMODEL_H
+#define ABSTRACTSIITEMMODEL_H
+
+#include <chunk.h>
+#include <QAbstractItemModel>
+
+class AbstractSIItemModel : public QAbstractItemModel
+{
+  Q_OBJECT
+public:
+  explicit AbstractSIItemModel(QObject *parent = nullptr);
+
+  void SetChunk(si::Chunk *c);
+
+protected:
+  si::Chunk *GetChunkFromIndex(const QModelIndex &index) const;
+
+  si::Chunk *root() const { return chunk_; }
+
+private:
+  si::Chunk *chunk_;
+
+};
+
+#endif // ABSTRACTSIITEMMODEL_H

app/chunkmodel.cpp

@@ -2,13 +2,12 @@
 
 #include <iostream>
 
-#define super QAbstractItemModel
+#define super AbstractSIItemModel
 
 using namespace si;
 
 ChunkModel::ChunkModel(QObject *parent) :
-  super{parent},
-  chunk_(nullptr)
+  super{parent}
 {
 }
 
@@ -45,7 +44,7 @@ QModelIndex ChunkModel::parent(const QModelIndex &index) const
   }
 
   size_t row = grandparent->IndexOfChild(parent);
-  return createIndex(row, 0, parent);
+  return createIndex(int(row), 0, parent);
 }
 
 int ChunkModel::rowCount(const QModelIndex &parent) const
@@ -55,7 +54,7 @@ int ChunkModel::rowCount(const QModelIndex &parent) const
     return 0;
   }
 
-  return c->GetChildCount();
+  return int(c->GetChildCount());
 }
 
 QVariant ChunkModel::data(const QModelIndex &index, int role) const
@@ -99,19 +98,3 @@ QVariant ChunkModel::headerData(int section, Qt::Orientation orientation, int ro
 
   return super::headerData(section, orientation, role);
 }
-
-void ChunkModel::SetChunk(si::Chunk *c)
-{
-  beginResetModel();
-  chunk_ = c;
-  endResetModel();
-}
-
-si::Chunk *ChunkModel::GetChunkFromIndex(const QModelIndex &index) const
-{
-  if (!index.isValid()) {
-    return chunk_;
-  } else {
-    return static_cast<Chunk*>(index.internalPointer());
-  }
-}

app/chunkmodel.h

@@ -1,11 +1,11 @@
 #ifndef CHUNKMODEL_H
 #define CHUNKMODEL_H
 
-#include <chunk.h>
-#include <QAbstractItemModel>
+#include "abstractsiitemmodel.h"
 
-class ChunkModel : public QAbstractItemModel
+class ChunkModel : public AbstractSIItemModel
 {
+  Q_OBJECT
 public:
   enum Columns
   {
@@ -25,13 +25,6 @@ public:
   virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
   virtual QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
 
-  void SetChunk(si::Chunk *c);
-
-private:
-  si::Chunk *GetChunkFromIndex(const QModelIndex &index) const;
-
-  si::Chunk *chunk_;
-
 };
 
 #endif // CHUNKMODEL_H

app/mainwindow.cpp

@@ -16,12 +16,18 @@ MainWindow::MainWindow(QWidget *parent) :
   splitter->setChildrenCollapsible(false);
   this->setCentralWidget(splitter);
 
-  model_.SetChunk(&chunk_);
+  auto tree_tab = new QTabWidget();
+  splitter->addWidget(tree_tab);
 
-  auto tree = new QTreeView();
-  tree->setModel(&model_);
-  splitter->addWidget(tree);
-  connect(tree->selectionModel(), &QItemSelectionModel::currentRowChanged, this, &MainWindow::SelectionChanged);
+  auto simple_tree = new QTreeView();
+  simple_tree->setModel(&object_model_);
+  tree_tab->addTab(simple_tree, tr("Simple"));
+  connect(simple_tree->selectionModel(), &QItemSelectionModel::currentRowChanged, this, &MainWindow::SelectionChanged);
+
+  auto lowlevel_tree = new QTreeView();
+  lowlevel_tree->setModel(&chunk_model_);
+  tree_tab->addTab(lowlevel_tree, tr("Advanced"));
+  connect(lowlevel_tree->selectionModel(), &QItemSelectionModel::currentRowChanged, this, &MainWindow::SelectionChanged);
 
   config_stack_ = new QStackedWidget();
   splitter->addWidget(config_stack_);
@@ -51,10 +57,12 @@ MainWindow::MainWindow(QWidget *parent) :
 
 void MainWindow::OpenFilename(const QString &s)
 {
-  model_.SetChunk(nullptr);
+  object_model_.SetChunk(nullptr);
+  chunk_model_.SetChunk(nullptr);
   SetPanel(panel_blank_, nullptr);
   chunk_.Read(s.toStdString());
-  model_.SetChunk(&chunk_);
+  object_model_.SetChunk(&chunk_);
+  chunk_model_.SetChunk(&chunk_);
 }
 
 void MainWindow::InitializeMenuBar()

app/mainwindow.h

@@ -6,6 +6,7 @@
 #include <QStackedWidget>
 
 #include "chunkmodel.h"
+#include "objectmodel.h"
 #include "panels/mxch.h"
 #include "panels/mxhd.h"
 #include "panels/mxob.h"
@@ -30,7 +31,8 @@ private:
 
   void SetPanel(Panel *panel, si::Chunk *chunk);
 
-  ChunkModel model_;
+  ObjectModel object_model_;
+  ChunkModel chunk_model_;
   si::Chunk chunk_;
 
   QStackedWidget *config_stack_;

app/objectmodel.cpp

@@ -0,0 +1,119 @@
+#include "objectmodel.h"
+
+#define super AbstractSIItemModel
+
+using namespace si;
+
+ObjectModel::ObjectModel(QObject *parent) :
+  super{parent}
+{
+}
+
+int ObjectModel::columnCount(const QModelIndex &parent) const
+{
+  return kColCount;
+}
+
+QModelIndex ObjectModel::index(int row, int column, const QModelIndex &parent) const
+{
+  return createIndex(row, column, GetItem(row));
+}
+
+QModelIndex ObjectModel::parent(const QModelIndex &index) const
+{
+  return QModelIndex();
+}
+
+int ObjectModel::rowCount(const QModelIndex &parent) const
+{
+  if (parent.isValid()) {
+    return 0;
+  } else {
+    Chunk *mxof = GetMxOf();
+    if (!mxof) {
+      return 0;
+    }
+
+    return mxof->data("Offsets").size() / sizeof(u32);
+  }
+}
+
+QVariant ObjectModel::data(const QModelIndex &index, int role) const
+{
+  u32 offset;
+  Chunk *c = GetItem(index.row(), &offset);
+
+  switch (role) {
+  case Qt::DisplayRole:
+
+    switch (index.column()) {
+    case kColIndex:
+      return index.row();
+    case kColOffset:
+      return QStringLiteral("0x%1").arg(QString::number(offset, 16).toUpper());
+    case kColName:
+      if (c) {
+        Chunk *mxob = c->FindChildWithType(Chunk::TYPE_MxOb);
+        if (mxob) {
+          return QString(mxob->data("Name"));
+        }
+      }
+      break;
+    }
+
+    break;
+  }
+
+  return QVariant();
+}
+
+QVariant ObjectModel::headerData(int section, Qt::Orientation orientation, int role) const
+{
+  if (orientation == Qt::Horizontal && role == Qt::DisplayRole) {
+    switch (section) {
+    case kColIndex:
+      return tr("Index");
+    case kColOffset:
+      return tr("Offset");
+    case kColName:
+      return tr("Name");
+    }
+  }
+
+  return super::headerData(section, orientation, role);
+}
+
+Chunk *ObjectModel::GetMxOf() const
+{
+  Chunk *root = this->root();
+  if (!root) {
+    return NULL;
+  }
+
+  return root->FindChildWithType(Chunk::TYPE_MxOf);
+}
+
+Chunk *ObjectModel::GetItem(size_t index, si::u32 *offset_out) const
+{
+  Chunk *mxof = GetMxOf();
+  if (!mxof) {
+    return NULL;
+  }
+
+  const Data &offset_bytes = mxof->data("Offsets");
+  if (index >= offset_bytes.size()/sizeof(u32)) {
+    return NULL;
+  }
+
+  const u32 *offsets = reinterpret_cast<const u32*>(offset_bytes.data());
+  u32 offset = offsets[index];
+  if (offset_out) {
+    *offset_out = offset;
+  }
+
+  if (offset == 0) {
+    return NULL;
+  } else {
+    return root()->FindChildWithOffset(offset);
+  }
+}

app/objectmodel.h

@@ -0,0 +1,33 @@
+#ifndef OBJECTMODEL_H
+#define OBJECTMODEL_H
+
+#include "abstractsiitemmodel.h"
+
+class ObjectModel : public AbstractSIItemModel
+{
+  Q_OBJECT
+public:
+  enum Columns {
+    kColIndex,
+    kColOffset,
+    kColName,
+
+    kColCount
+  };
+
+  explicit ObjectModel(QObject *parent = nullptr);
+
+  virtual int columnCount(const QModelIndex &parent = QModelIndex()) const override;
+  virtual QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const override;
+  virtual QModelIndex parent(const QModelIndex &index) const override;
+  virtual int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+  virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
+  virtual QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
+
+private:
+  si::Chunk *GetMxOf() const;
+  si::Chunk *GetItem(size_t index, si::u32 *offset_out = NULL) const;
+
+};
+
+#endif // OBJECTMODEL_H

app/panels/mxch.cpp

@@ -92,7 +92,7 @@ void MxChPanel::OnOpeningData(Chunk *chunk)
   }
 
   const Data &data = chunk->data("Data");
-  QByteArray ba(data.data(), data.size());
+  QByteArray ba(data.data(), int(data.size()));
   data_edit_->setPlainText(ba.toHex());
 }