Amend f441590c

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

diff --git a/src/frontends/qt4/TocModel.cpp b/src/frontends/qt4/TocModel.cpp
index 1301e8d1747b394a2fc59bfb73f08d5f9d4ca994..7b4a38b223bf6022d671a24c99fffd5f7f020102 100644 (file)
--- a/src/frontends/qt4/TocModel.cpp
+++ b/src/frontends/qt4/TocModel.cpp
@@ -18,14 +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/convert.h"
 #include "support/debug.h"
 #include "support/lassert.h"
 
 #include <QSortFilterProxyModel>
+#include <QStandardItemModel>
+
 
 #include <climits>
 
@@ -34,22 +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
+       }
+};
 
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -60,12 +80,11 @@ void TocTypeModel::reset()
 
 TocModel::TocModel(QObject * parent)
        : model_(new TocTypeModel(parent)),
-       sorted_model_(new QSortFilterProxyModel(parent)),
-       is_sorted_(false), maxdepth_(0), mindepth_(0)
+         sorted_model_(new QSortFilterProxyModel(parent)),
+         is_sorted_(false), toc_(lyx::make_shared<Toc const>()),
+         maxdepth_(0), mindepth_(0)
 {
-#if QT_VERSION >= 0x040300
        sorted_model_->setSortLocaleAware(true);
-#endif
        sorted_model_->setSourceModel(model_);
 }
 
@@ -90,6 +109,7 @@ void TocModel::clear()
 {
        model_->blockSignals(true);
        model_->clear();
+       toc_ = lyx::make_shared<Toc const>();
        model_->blockSignals(false);
 }
 
@@ -134,13 +154,14 @@ 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.asString()), Qt::DisplayRole);
+       model_->setData(index, toqstr(toc_item.tooltip()), Qt::ToolTipRole);
 }
 
 
-void TocModel::reset(Toc const & toc)
+void TocModel::reset(shared_ptr<Toc const> toc)
 {
-       toc_ = &toc;
+       toc_ = toc;
        if (toc_->empty()) {
                maxdepth_ = 0;
                mindepth_ = 0;
@@ -149,6 +170,7 @@ void TocModel::reset(Toc const & toc)
        }
 
        model_->blockSignals(true);
+       model_->beginResetModel();
        model_->insertColumns(0, 1);
        maxdepth_ = 0;
        mindepth_ = INT_MAX;
@@ -161,11 +183,12 @@ void TocModel::reset(Toc const & toc)
                int current_row = model_->rowCount();
                model_->insertRows(current_row, 1);
                QModelIndex top_level_item = model_->index(current_row, 0);
-               model_->setData(top_level_item, toqstr(item.str()), Qt::DisplayRole);
+               model_->setData(top_level_item, toqstr(item.asString()), 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());
+                       << ", added item " << item.asString());
 
                populate(index, top_level_item);
                if (index >= end)
@@ -173,11 +196,11 @@ 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();
 }
 
 
@@ -185,7 +208,6 @@ void TocModel::populate(unsigned int & index, QModelIndex const & parent)
 {
        int curdepth = (*toc_)[index].depth() + 1;
 
-       int current_row;
        QModelIndex child_item;
        model_->insertColumns(0, 1, parent);
 
@@ -199,11 +221,12 @@ void TocModel::populate(unsigned int & index, QModelIndex const & parent)
                }
                maxdepth_ = max(maxdepth_, item.depth());
                mindepth_ = min(mindepth_, item.depth());
-               current_row = model_->rowCount(parent);
+               int current_row = model_->rowCount(parent);
                model_->insertRows(current_row, 1, parent);
                child_item = model_->index(current_row, 0, parent);
-               model_->setData(child_item, toqstr(item.str()), Qt::DisplayRole);
+               model_->setData(child_item, toqstr(item.asString()), 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;
@@ -229,16 +252,14 @@ 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);
 }
 
 
-void TocModels::clear()        
+void TocModels::clear()
 {
        names_->blockSignals(true);
        names_->clear();
@@ -294,17 +315,24 @@ void TocModels::goTo(QString const & type, QModelIndex const & index) const
        }
        LASSERT(index.model() == it.value()->model(), return);
        TocItem const item = it.value()->tocItem(index);
-       LYXERR(Debug::GUI, "TocModels::goTo " << item.str());
+       LYXERR(Debug::GUI, "TocModels::goTo " << item.asString());
        dispatch(item.action());
 }
 
 
-void TocModels::updateBackend() const
+TocItem const TocModels::currentItem(QString const & type,
+       QModelIndex const & index) const
 {
-       bv_->buffer().masterBuffer()->tocBackend().update();
-       bv_->buffer().structureChanged();
+       const_iterator it = models_.find(type);
+       if (it == models_.end() || !index.isValid()) {
+               LYXERR(Debug::GUI, "TocModels::currentItem(): QModelIndex is invalid!");
+               return TocItem();
+       }
+       LASSERT(index.model() == it.value()->model(), return TocItem());
+       
+       return it.value()->tocItem(index);
 }
-
+ 
 
 void TocModels::updateItem(QString const & type, DocIterator const & dit)
 {
@@ -325,6 +353,7 @@ 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();
@@ -347,7 +376,7 @@ void TocModels::reset(BufferView const * bv)
                names_->setData(index, type, Qt::UserRole);
        }
        names_->blockSignals(false);
-       names_->reset();
+       names_->endResetModel();
 }