[LyX/master] Resolve some implicit conversion warnings.

[Juergen Spitzmueller]

commit fa79ff2db2c8e0746447cf7eaa5eebbd575ebe97
Author: Juergen Spitzmueller <sp...@lyx.org>
Date:   Fri Apr 5 11:47:59 2019 +0200

    Resolve some implicit conversion warnings.
---
 src/frontends/qt4/GuiIdListModel.cpp |   20 ++++++++++----------
 src/frontends/qt4/GuiIdListModel.h   |    2 +-
 2 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/src/frontends/qt4/GuiIdListModel.cpp 
b/src/frontends/qt4/GuiIdListModel.cpp
index c80e573..5780cec 100644
--- a/src/frontends/qt4/GuiIdListModel.cpp
+++ b/src/frontends/qt4/GuiIdListModel.cpp
@@ -31,35 +31,35 @@ QVariant GuiIdListModel::data(QModelIndex const & index, 
int role) const
        if (!rowIsValid(row))
                return QVariant();
        if (role == Qt::DisplayRole || role == Qt::EditRole)
-               return userData_[row].uiString;
+               return userData_[ulong(row)].uiString;
        if (role == Qt::ToolTipRole) {
-               QString const ttstr = userData_[row].ttString.toString();
-               return !ttstr.isEmpty() ? ttstr : userData_[row].uiString;
+               QString const ttstr = userData_[ulong(row)].ttString.toString();
+               return !ttstr.isEmpty() ? ttstr : 
userData_[ulong(row)].uiString;
        }
        if (role == Qt::UserRole)
-               return userData_[row].idString;
+               return userData_[ulong(row)].idString;
        return QVariant();
 }
 
 
-bool GuiIdListModel::setData (QModelIndex const & index,
+bool GuiIdListModel::setData(QModelIndex const & index,
                const QVariant & value, int role)
 {
        int const row = index.row();
        if (!rowIsValid(row))
                return false;
        if (role == Qt::DisplayRole || role == Qt::EditRole) {
-               userData_[row].uiString = value;
+               userData_[ulong(row)].uiString = value;
                dataChanged(index, index);
                return true;
        }
        if (role == Qt::UserRole) {
-               userData_[row].idString = value;
+               userData_[ulong(row)].idString = value;
                dataChanged(index, index);
                return true;
        }
        if (role == Qt::ToolTipRole) {
-               userData_[row].ttString = value;
+               userData_[ulong(row)].ttString = value;
                dataChanged(index, index);
                return true;
        }
@@ -77,7 +77,7 @@ bool GuiIdListModel::insertRows(int row, int count,
                return false;
        vector<OurData>::iterator it = userData_.begin() + row;
        beginInsertRows(QModelIndex(), row, row + count - 1);
-       userData_.insert(it, count, OurData());
+       userData_.insert(it, ulong(count), OurData());
        endInsertRows();
        return true;
 }
@@ -122,7 +122,7 @@ QMap<int, QVariant> GuiIdListModel::itemData(QModelIndex 
const & index) const
        if (!rowIsValid(row))
                return QMap<int, QVariant>();
        QMap<int, QVariant> qm = QAbstractListModel::itemData(index);
-       qm[Qt::UserRole] = userData_[row].idString;
+       qm[Qt::UserRole] = userData_[ulong(row)].idString;
        return qm;
 }
 
diff --git a/src/frontends/qt4/GuiIdListModel.h 
b/src/frontends/qt4/GuiIdListModel.h
index 03c891d..a63b40d 100644
--- a/src/frontends/qt4/GuiIdListModel.h
+++ b/src/frontends/qt4/GuiIdListModel.h
@@ -45,7 +45,7 @@ public:
        //////////////////////////////////////////////////////////////////////
        ///
        int rowCount(QModelIndex const & = QModelIndex()) const
-               { return userData_.size(); }
+               { return int(userData_.size()); }
 
        ///
        virtual QVariant data(QModelIndex const & index,