Revert "regtools/qeditor: use the new model, drop unused code"

This reverts commit 3b3d9bf725a5b04e4cd9bc4254fbd2594b518e89.
Gerrit did crap on this one.

4 files changed, 111 insertions, 67 deletions

diff --git a/utils/regtools/qeditor/regdisplaypanel.cpp b/utils/regtools/qeditor/regdisplaypanel.cpp
index bbfb4f5840..d450b4e203 100644
--- a/utils/regtools/qeditor/regdisplaypanel.cpp
+++ b/utils/regtools/qeditor/regdisplaypanel.cpp
@@ -176,17 +176,46 @@ RegDisplayPanel::RegDisplayPanel(QWidget *parent, IoBackend *io_backend, const S
     raw_val_layout->addWidget(m_raw_val_edit);
     raw_val_layout->addStretch();
 
-    m_value_table = new GrowingTableView;
-    m_value_model = new RegFieldTableModel(m_value_table); // view takes ownership
-    m_value_model->SetRegister(m_reg.GetReg());
-    m_value_model->SetReadOnly(read_only);
-    m_value_table->setModel(m_value_model);
+    m_value_table = new GrowingTableWidget;
+    m_value_table->setRowCount(reg.field.size());
+    m_value_table->setColumnCount(5);
+    for(size_t row = 0; row < reg.field.size(); row++)
+    {
+        const soc_reg_field_t& field = reg.field[row];
+        QString bits_str;
+        if(field.first_bit == field.last_bit)
+            bits_str.sprintf("%d", field.first_bit);
+        else
+            bits_str.sprintf("%d:%d", field.last_bit, field.first_bit);
+        QTableWidgetItem *item = new QTableWidgetItem(bits_str);
+        item->setTextAlignment(Qt::AlignVCenter | Qt::AlignHCenter);
+        item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
+        m_value_table->setItem(row, FieldBitsColumn, item);
+        item = new QTableWidgetItem(QString(field.name.c_str()));
+        item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
+        m_value_table->setItem(row, FieldNameColumn, item);
+        item = new QTableWidgetItem();
+        item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
+        item->setData(Qt::DisplayRole, QVariant::fromValue(SocFieldCachedValue()));
+        item->setTextAlignment(Qt::AlignVCenter | Qt::AlignHCenter);
+        m_value_table->setItem(row, FieldValueColumn, item);
+        item = new QTableWidgetItem("");
+        item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
+        item->setTextAlignment(Qt::AlignVCenter | Qt::AlignHCenter);
+        m_value_table->setItem(row, FieldMeaningColumn, item);
+        item = new QTableWidgetItem(QString(field.desc.c_str()));
+        item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
+        m_value_table->setItem(row, FieldDescColumn, item);
+    }
+    m_value_table->setHorizontalHeaderItem(FieldBitsColumn, new QTableWidgetItem("Bits"));
+    m_value_table->setHorizontalHeaderItem(FieldNameColumn, new QTableWidgetItem("Name"));
+    m_value_table->setHorizontalHeaderItem(FieldValueColumn, new QTableWidgetItem("Value"));
+    m_value_table->setHorizontalHeaderItem(FieldMeaningColumn, new QTableWidgetItem("Meaning"));
+    m_value_table->setHorizontalHeaderItem(FieldDescColumn, new QTableWidgetItem("Description"));
     m_value_table->verticalHeader()->setVisible(false);
     m_value_table->resizeColumnsToContents();
     m_value_table->horizontalHeader()->setStretchLastSection(true);
     m_value_table->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
-    // FIXME we cannot use setAlternatingRowColors() because we override the
-    // background color, should it be part of the model ?
 
     SocFieldCachedItemDelegate *m_table_delegate = new SocFieldCachedItemDelegate(this);
     m_table_edit_factory = new QItemEditorFactory();
@@ -224,13 +253,12 @@ RegDisplayPanel::RegDisplayPanel(QWidget *parent, IoBackend *io_backend, const S
     setLayout(layout);
     AllowWrite(false);
 
+    m_ignore_cell_change = false;
     // load data
     Reload();
 
-    connect(m_raw_val_edit->GetLineEdit(), SIGNAL(returnPressed()), this,
-        SLOT(OnRawRegValueReturnPressed()));
-    connect(m_value_table->model(), SIGNAL(OnValueModified(int)), this,
-        SLOT(OnRegValueChanged(int)));
+    connect(m_raw_val_edit->GetLineEdit(), SIGNAL(returnPressed()), this, SLOT(OnRawRegValueReturnPressed()));
+    connect(m_value_table, SIGNAL(cellChanged(int, int)), this, SLOT(OnRegFieldValueChanged(int, int)));
 }
 
 RegDisplayPanel::~RegDisplayPanel()
@@ -252,15 +280,38 @@ void RegDisplayPanel::Reload()
         m_raw_val_name->show();
         m_raw_val_edit->show();
         m_raw_val_edit->GetLineEdit()->setText(QString().sprintf("0x%08x", value));
-        m_value_model->SetValues(QVector< QVariant >(1, QVariant(value)));
     }
     else
     {
         m_raw_val_name->hide();
         m_raw_val_edit->hide();
-        m_value_model->SetValues(QVector< QVariant >());
     }
 
+    m_ignore_cell_change = true;
+    for(size_t row = 0; row < reg.field.size(); row++)
+    {
+        const soc_reg_field_t& field = reg.field[row];
+        QTableWidgetItem *item = m_value_table->item(row, FieldValueColumn);
+        QTableWidgetItem *desc_item = m_value_table->item(row, FieldMeaningColumn);
+        if(has_value)
+        {
+            soc_word_t v = (value & field.bitmask()) >> field.first_bit;
+            QString value_name;
+            foreach(const soc_reg_field_value_t& rval, field.value)
+                if(v == rval.value)
+                    value_name = rval.name.c_str();
+            item->setData(Qt::DisplayRole, QVariant::fromValue(SocFieldCachedValue(field, v)));
+            if(value_name.size() != 0)
+                desc_item->setText(value_name);
+        }
+        else
+            item->setData(Qt::DisplayRole, QVariant::fromValue(SocFieldCachedValue()));
+        item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
+        if(m_allow_write)
+            item->setFlags(item->flags() | Qt::ItemIsEditable);
+    }
+    m_ignore_cell_change = false;
+
     m_value_table->resizeColumnsToContents();
     m_value_table->horizontalHeader()->setStretchLastSection(true);
 }
@@ -269,10 +320,7 @@ void RegDisplayPanel::AllowWrite(bool en)
 {
     m_allow_write = en;
     if(m_raw_val_edit)
-    {
         m_raw_val_edit->SetReadOnly(m_io_backend->IsReadOnly() || !m_allow_write);
-        m_value_model->SetReadOnly(m_io_backend->IsReadOnly() || !m_allow_write);
-    }
     Reload();
 }
 
@@ -300,19 +348,23 @@ void RegDisplayPanel::OnRawRegValueReturnPressed()
     BackendHelper helper(m_io_backend, m_reg);
     helper.WriteRegister(m_reg.GetDevAddr().name.c_str(), m_reg.GetRegAddr().name.c_str(),
         val, mode);
-    // register write can change all fields
     Reload();
 }
 
-void RegDisplayPanel::OnRegValueChanged(int index)
+void RegDisplayPanel::OnRegFieldValueChanged(int row, int col)
 {
-    QVariant var = m_value_model->GetValue(index);
-    if(!var.isValid())
+    if(m_ignore_cell_change || col != FieldValueColumn)
         return;
+    QTableWidgetItem *item = m_value_table->item(row, col);
+    SocFieldCachedValue val = item->data(Qt::DisplayRole).value< SocFieldCachedValue >();
     BackendHelper helper(m_io_backend, m_reg);
+    soc_word_t regval;
+    if(!helper.ReadRegister(m_reg.GetDevAddr().name.c_str(), m_reg.GetRegAddr().name.c_str(), regval))
+        return;
+    regval = (regval & ~val.field().bitmask()) |
+        ((val.value() << val.field().first_bit) & val.field().bitmask());
     helper.WriteRegister(m_reg.GetDevAddr().name.c_str(), m_reg.GetRegAddr().name.c_str(),
-        var.value< soc_word_t >(), IoBackend::Write);
-    // register write can change all fields
+        regval, IoBackend::Write);
     Reload();
 }
 
diff --git a/utils/regtools/qeditor/regdisplaypanel.h b/utils/regtools/qeditor/regdisplaypanel.h
index 09943b59a2..ce6f108350 100644
--- a/utils/regtools/qeditor/regdisplaypanel.h
+++ b/utils/regtools/qeditor/regdisplaypanel.h
@@ -86,8 +86,7 @@ protected:
     bool m_allow_write;
     RegLineEdit *m_raw_val_edit;
     RegSexyDisplay *m_sexy_display;
-    GrowingTableView *m_value_table;
-    RegFieldTableModel *m_value_model;
+    GrowingTableWidget *m_value_table;
     QStyledItemDelegate *m_table_delegate;
     QItemEditorFactory *m_table_edit_factory;
     RegItemEditorCreator *m_regedit_creator;
@@ -96,10 +95,11 @@ protected:
     QLabel *m_desc;
     QWidget *m_viewport;
     QScrollArea *m_scroll;
+    bool m_ignore_cell_change;
 
 private slots:
     void OnRawRegValueReturnPressed();
-    void OnRegValueChanged(int index);
+    void OnRegFieldValueChanged(int row, int col);
 };
 
 #endif /* REGDISPLAYPANEL_H */ 
diff --git a/utils/regtools/qeditor/utils.cpp b/utils/regtools/qeditor/utils.cpp
index 448ed92c3e..036f1595a3 100644
--- a/utils/regtools/qeditor/utils.cpp
+++ b/utils/regtools/qeditor/utils.cpp
@@ -331,22 +331,7 @@ QString SocFieldCachedItemDelegate::displayText(const QVariant& value, const QLo
     {
         const SocFieldCachedValue& v = value.value< SocFieldCachedValue >();
         int bitcount = v.field().last_bit - v.field().first_bit;
-        QString name = v.value_name();
-        QString strval = QString("0x%1").arg(v.value(), (bitcount + 3) / 4, 16, QChar('0'));
-        switch(m_mode)
-        {
-            case DisplayName:
-                if(name.size() > 0)
-                    return name;
-                /* fallthrough */
-            case DisplayValueAndName:
-                if(name.size() > 0)
-                    return QString("%1 (%2)").arg(strval).arg(name);
-                /* fallthrough */
-            case DisplayValue:
-            default:
-                return strval;
-        }
+        return QString("0x%1").arg(v.value(), (bitcount + 3) / 4, 16, QChar('0'));
     }
     else
         return QStyledItemDelegate::displayText(value, locale);
@@ -543,25 +528,34 @@ void RegSexyDisplay::paintEvent(QPaintEvent *event)
 }
 
 /**
- * GrowingTableView
+ * GrowingTextEdit
  */
-GrowingTableView::GrowingTableView(QWidget *parent)
-    :QTableView(parent)
+GrowingTextEdit::GrowingTextEdit(QWidget *parent)
+    :QTextEdit(parent)
 {
+    connect(this, SIGNAL(textChanged()), this, SLOT(TextChanged()));
+    setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
+    setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
 }
 
-void GrowingTableView::setModel(QAbstractItemModel *m)
+void GrowingTextEdit::TextChanged()
+{
+    int content_size = document()->documentLayout()->documentSize().height();
+    content_size = qMax(content_size, fontMetrics().height());
+    setFixedHeight(content_size + contentsMargins().top() + contentsMargins().bottom());
+}
+
+/**
+ * GrowingTableWidget
+ */
+GrowingTableWidget::GrowingTableWidget(QWidget *parent)
+    :QTableWidget(parent)
 {
-    if(model())
-        disconnect(model(), SIGNAL(dataChanged(const QModelIndex&, const QModelIndex&)),
-        this, SLOT(DataChanged(const QModelIndex&, const QModelIndex&)));
-    QTableView::setModel(m);
     connect(model(), SIGNAL(dataChanged(const QModelIndex&, const QModelIndex&)),
         this, SLOT(DataChanged(const QModelIndex&, const QModelIndex&)));
-    DataChanged(QModelIndex(), QModelIndex());
 }
 
-void GrowingTableView::DataChanged(const QModelIndex& tl, const QModelIndex& br)
+void GrowingTableWidget::DataChanged(const QModelIndex& tl, const QModelIndex& br)
 {
     Q_UNUSED(tl);
     Q_UNUSED(br);
@@ -569,7 +563,7 @@ void GrowingTableView::DataChanged(const QModelIndex& tl, const QModelIndex& br)
     resizeColumnsToContents();
     int h = contentsMargins().top() + contentsMargins().bottom();
     h += horizontalHeader()->height();
-    for(int i = 0; i < model()->rowCount(); i++)
+    for(int i = 0; i < rowCount(); i++)
         h += rowHeight(i);
     setMinimumHeight(h);
 }
diff --git a/utils/regtools/qeditor/utils.h b/utils/regtools/qeditor/utils.h
index 6612ce20a4..970010233a 100644
--- a/utils/regtools/qeditor/utils.h
+++ b/utils/regtools/qeditor/utils.h
@@ -149,20 +149,9 @@ Q_DECLARE_METATYPE(SocFieldCachedValue)
 class SocFieldCachedItemDelegate : public QStyledItemDelegate
 {
 public:
-    enum DisplayMode
-    {
-        DisplayValueAndName, /* "value (name)" or "value" if no name */
-        DisplayName, /* "name" or "value" if no name */
-        DisplayValue, /* "value" */
-    };
-
     SocFieldCachedItemDelegate(QObject *parent = 0):QStyledItemDelegate(parent) {}
-    virtual QString displayText(const QVariant& value, const QLocale& locale) const;
-    void SetMode(DisplayMode mode) { m_mode = mode; }
-    DisplayMode GetMode() const { return m_mode; }
 
-protected:
-    DisplayMode m_mode;
+    virtual QString displayText(const QVariant& value, const QLocale& locale) const;
 };
 
 class SocFieldCachedEditor : public SocFieldEditor
@@ -214,12 +203,21 @@ private:
     mutable QSize m_size;
 };
 
-class GrowingTableView : public QTableView
+class GrowingTextEdit : public QTextEdit
+{
+    Q_OBJECT
+public:
+    GrowingTextEdit(QWidget *parent = 0);
+
+protected slots:
+    void TextChanged();
+};
+
+class GrowingTableWidget : public QTableWidget
 {
     Q_OBJECT
 public:
-    GrowingTableView(QWidget *parent = 0);
-    virtual void setModel(QAbstractItemModel *model);
+    GrowingTableWidget(QWidget *parent = 0);
 
 protected slots:
     void DataChanged(const QModelIndex& tl, const QModelIndex& br);