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[lyx.git] / src / frontends / qt4 / TocModel.cpp

diff --git a/src/frontends/qt4/TocModel.cpp b/src/frontends/qt4/TocModel.cpp
index 4eaafb4bedda336c6936b6580e447ad800713f1d..cd1189b49b473371c2e2b6ce53ee76147dfe8c18 100644 (file)
--- a/src/frontends/qt4/TocModel.cpp
+++ b/src/frontends/qt4/TocModel.cpp
@@ -18,13 +18,16 @@
 #include "Cursor.h"
 #include "DocIterator.h"
 #include "FuncRequest.h"
-#include "LyXFunc.h"
+#include "LyX.h"
+#include "qt_helpers.h"
 #include "TocBackend.h"
 
 #include "support/debug.h"
 #include "support/lassert.h"
 
 #include <QSortFilterProxyModel>
+#include <QStandardItemModel>
+
 
 #include <climits>
 
@@ -33,22 +36,40 @@ using namespace std;
 namespace lyx {
 namespace frontend {
 
-///////////////////////////////////////////////////////////////////////////////
-//
-// TocTypeModel
-//
-///////////////////////////////////////////////////////////////////////////////
-
-TocTypeModel::TocTypeModel(QObject * parent)
-       : QStandardItemModel(parent)
+/// A QStandardItemModel that gives access to the reset methods.
+/// This is needed in order to fix http://www.lyx.org/trac/ticket/3740
+class TocTypeModel : public QStandardItemModel
 {
-}
-
-
-void TocTypeModel::reset()
-{
-       QStandardItemModel::reset();
-}
+public:
+       ///
+       TocTypeModel(QObject * parent) : QStandardItemModel(parent)
+       {}
+       ///
+       void reset()
+       {
+#if (QT_VERSION < 0x050000)
+               QStandardItemModel::reset();
+#else
+               QStandardItemModel::endResetModel();
+#endif
+       }
+       ///
+       void beginResetModel()
+       { 
+       #if QT_VERSION >= 0x040600
+               QStandardItemModel::beginResetModel(); 
+       #endif
+       }
+       ///
+       void endResetModel()
+       { 
+       #if QT_VERSION >= 0x040600
+               QStandardItemModel::endResetModel(); 
+       #else
+               QStandardItemModel::reset();
+       #endif
+       }
+};
 
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -62,9 +83,7 @@ TocModel::TocModel(QObject * parent)
        sorted_model_(new QSortFilterProxyModel(parent)),
        is_sorted_(false), maxdepth_(0), mindepth_(0)
 {
-#if QT_VERSION >= 0x040300
        sorted_model_->setSortLocaleAware(true);
-#endif
        sorted_model_->setSourceModel(model_);
 }
 
@@ -134,6 +153,7 @@ void TocModel::updateItem(DocIterator const & dit)
        QModelIndex index = modelIndex(dit);
        TocItem const & toc_item = tocItem(index);
        model_->setData(index, toqstr(toc_item.str()), Qt::DisplayRole);
+       model_->setData(index, toqstr(toc_item.tooltip()), Qt::ToolTipRole);
 }
 
 
@@ -148,6 +168,7 @@ void TocModel::reset(Toc const & toc)
        }
 
        model_->blockSignals(true);
+       model_->beginResetModel();
        model_->insertColumns(0, 1);
        maxdepth_ = 0;
        mindepth_ = INT_MAX;
@@ -162,6 +183,7 @@ void TocModel::reset(Toc const & toc)
                QModelIndex top_level_item = model_->index(current_row, 0);
                model_->setData(top_level_item, toqstr(item.str()), Qt::DisplayRole);
                model_->setData(top_level_item, index, Qt::UserRole);
+               model_->setData(top_level_item, toqstr(item.tooltip()), Qt::ToolTipRole);
 
                LYXERR(Debug::GUI, "Toc: at depth " << item.depth()
                        << ", added item " << item.str());
@@ -172,11 +194,11 @@ void TocModel::reset(Toc const & toc)
        }
 
        model_->setHeaderData(0, Qt::Horizontal, QVariant("title"), Qt::DisplayRole);
+       sorted_model_->setSourceModel(model_);
        if (is_sorted_)
                sorted_model_->sort(0);
        model_->blockSignals(false);
-       reset();
-//     emit headerDataChanged();
+       model_->endResetModel();
 }
 
 
@@ -203,6 +225,7 @@ void TocModel::populate(unsigned int & index, QModelIndex const & parent)
                child_item = model_->index(current_row, 0, parent);
                model_->setData(child_item, toqstr(item.str()), Qt::DisplayRole);
                model_->setData(child_item, index, Qt::UserRole);
+               model_->setData(child_item, toqstr(item.tooltip()), Qt::ToolTipRole);
                populate(index, child_item);
                if (index >= end)
                        break;
@@ -228,11 +251,9 @@ TocModels::TocModels()
        : bv_(0)
 {
        names_ = new TocTypeModel(this);
-       names_sorted_ = new QSortFilterProxyModel(this);
+       names_sorted_ = new TocModelSortProxyModel(this);
        names_sorted_->setSourceModel(names_);
-#if QT_VERSION >= 0x040300
        names_sorted_->setSortLocaleAware(true);
-#endif
        names_sorted_->sort(0);
 }
 
@@ -312,13 +333,6 @@ TocItem const TocModels::currentItem(QString const & type,
 }
  
 
-void TocModels::updateBackend() const
-{
-       bv_->buffer().masterBuffer()->tocBackend().update();
-       bv_->buffer().structureChanged();
-}
-
-
 void TocModels::updateItem(QString const & type, DocIterator const & dit)
 {
        models_[type]->updateItem(dit);
@@ -338,6 +352,7 @@ void TocModels::reset(BufferView const * bv)
        }
 
        names_->blockSignals(true);
+       names_->beginResetModel();
        names_->insertColumns(0, 1);
        TocList const & tocs = bv_->buffer().masterBuffer()->tocBackend().tocs();
        TocList::const_iterator it = tocs.begin();
@@ -360,7 +375,7 @@ void TocModels::reset(BufferView const * bv)
                names_->setData(index, type, Qt::UserRole);
        }
        names_->blockSignals(false);
-       names_->reset();
+       names_->endResetModel();
 }