1 files changed, 10 insertions, 10 deletions

diff --git a/fluid/nodes/Grid_Node.cxx b/fluid/nodes/Grid_Node.cxx
index 2304a7a10..d38bbd1ca 100644
--- a/fluid/nodes/Grid_Node.cxx
+++ b/fluid/nodes/Grid_Node.cxx
@@ -51,7 +51,7 @@
  */
 Fl_Grid_Proxy::Fl_Grid_Proxy(int X,int Y,int W,int H)
 : Fl_Grid(X,Y,W,H),
-  transient_(nullptr),
+  transient_(0),
   num_transient_(0),
   cap_transient_(0)
 {
@@ -137,19 +137,19 @@ void Fl_Grid_Proxy::move_cell(Fl_Widget *in_child, int to_row, int to_col, int h
   }
   if ((to_row < 0) || (to_row+rowspan > rows())) return;
   if ((to_col < 0) || (to_col+colspan > cols())) return;
-  Fl_Grid::Cell *new_cell = nullptr;
+  Fl_Grid::Cell *new_cell = 0;
   if (how == 0) { // replace old occupant in cell, making that one homeless
     new_cell = widget(in_child, to_row, to_col, rowspan, colspan, align);
   } else if (how == 1) { // don't replace an old occupant, making ourselves homeless
     // todo: colspan, rowspan?
-    if (cell(to_row, to_col) == nullptr) {
+    if (cell(to_row, to_col) == 0) {
       new_cell = widget(in_child, to_row, to_col, rowspan, colspan, align);
     } else {
       if (old_cell) remove_cell(old_cell->row(), old_cell->col());
     }
   } else if (how == 2) {
     Cell *current = cell(to_row, to_col);
-    if (current == nullptr) {
+    if (current == 0) {
       new_cell = widget(in_child, to_row, to_col, rowspan, colspan, align);
     } else {
       if (old_cell) remove_cell(old_cell->row(), old_cell->col());
@@ -240,7 +240,7 @@ void Fl_Grid_Proxy::transient_remove_(Fl_Widget *w) {
 /**
  Find a cell in the grid or in the transient cell list.
  \param[in] widget must be a child of the grid.
- \return the cell, the transient cell, or nullptr if neither was found.
+ \return the cell, the transient cell, or 0 if neither was found.
  */
 Fl_Grid_Proxy::Cell *Fl_Grid_Proxy::any_cell(Fl_Widget *widget) const {
   Cell *c = cell(widget);
@@ -251,14 +251,14 @@ Fl_Grid_Proxy::Cell *Fl_Grid_Proxy::any_cell(Fl_Widget *widget) const {
 /**
  Find a cell in the transient cell list.
  \param[in] widget must be a child of the grid.
- \return the transient cell, or nullptr if it was not found.
+ \return the transient cell, or 0 if it was not found.
  */
 Fl_Grid_Proxy::Cell *Fl_Grid_Proxy::transient_cell(Fl_Widget *widget) const {
   for (int i=0; i<num_transient_; i++) {
     if (transient_[i].widget == widget)
       return transient_[i].cell;
   }
-  return nullptr;
+  return 0;
 }
 
 /**
@@ -292,7 +292,7 @@ Grid_Node::Grid_Node() {
 Fl_Widget *Grid_Node::widget(int X,int Y,int W,int H) {
   Fl_Grid *g = new Fl_Grid_Proxy(X,Y,W,H);
   g->layout(3, 3);
-  Fl_Group::current(nullptr);
+  Fl_Group::current(0);
   return g;
 }
 
@@ -678,7 +678,7 @@ void Grid_Node::child_resized(Widget_Node *child_type) {
 Fl_Grid *Grid_Node::selected() {
   if (current_widget && current_widget->is_a(FLD_NODE_TYPE_Grid))
     return ((Fl_Grid*)((Grid_Node*)current_widget)->o);
-  return nullptr;
+  return 0;
 }
 
 /**
@@ -689,7 +689,7 @@ Fl_Grid *Grid_Node::selected() {
 void Grid_Node::insert_child_at(Fl_Widget *child, int x, int y) {
   Fl_Grid_Proxy *grid = (Fl_Grid_Proxy*)o;
   int row = -1, col = -1, ml, mt, grg, gcg;
-  grid->margin(&ml, &mt, nullptr, nullptr);
+  grid->margin(&ml, &mt, 0, 0);
   grid->gap(&grg, &gcg);
   int x0 = grid->x() + Fl::box_dx(grid->box()) + ml;
   int y0 = grid->y() + Fl::box_dy(grid->box()) + mt;