C++ Fl_Tree_Item::widget方法代码示例

void onelabGroup::updateParameter(onelab::string &p)
{
  Fl_Tree_Item *n = _tree->find_item(p.getName().c_str());
  if(!n) {
    addParameter(p);
    return;
  }
  Fl_Group *grp = (Fl_Group *)n->widget();
  // macro button
  if(p.getAttribute("Macro") == "Gmsh"){
    return;
  }

  // non-editable value FIXME
  if(p.getReadOnly()){
    Fl_Output *but = (Fl_Output *)grp->child(0);
    but->value(p.getValue().c_str());
    return;
  }

  // simple string (no menu)
  if(p.getChoices().empty() && p.getKind() != "file"){
    Fl_Input *but = (Fl_Input *)grp->child(0);
    but->value(p.getValue().c_str());
    return;
  }

  // general string input TODO
  Fl_Input_Choice *but = (Fl_Input_Choice *)grp->child(0);
  but->value(p.getValue().c_str());
}

void onelabGroup::addParameter(onelab::parameter &p)
{
  if(!p.getVisible() || CTX::instance()->solver.showInvisibleParameters) return;

  bool highlight = false;
  Fl_Color c;
  if(getFlColor(p.getAttribute("Highlight"), c)) highlight = true;
  Fl_Tree_Item *n = _tree->add(p.getName().c_str());
  if(!n) return;
  n->labelsize(FL_NORMAL_SIZE + 4);
  _tree->begin();
  int ww = _baseWidth - (n->depth() + 1) * _indent;
  ww *= _widgetLabelRatio; // FIXME CHANGE THIS
  int hh = n->labelsize() + 4;
  Fl_Group *grp = new Fl_Group(1, 1, ww, hh);
  Fl_Widget *widget = _addParameterWidget(p, ww, hh, n, highlight, c);
  grp->end();
  if(!_enableTreeWidgetResize) grp->resizable(0);
  _treeWidgets.push_back(grp);
  widget->copy_label(p.getShortName().c_str());
  std::string help = p.getLabel().size() ? p.getLabel() : p.getShortName();
  if(p.getHelp().size()) help += ":\n" + p.getHelp();
  widget->copy_tooltip(help.c_str());
  n->widget(grp);
  _tree->end();
  if(p.getAttribute("Closed") == "1" && p.getPath().size()) _tree->close(p.getPath().c_str(), 0);
  _tree->redraw();
}

viewButton *onelabGroup::getViewButton(int num)
{
  char tmp[256];
  sprintf(tmp, "0Post-processing/View%d", num);
  Fl_Tree_Item *n = _tree->find_item(tmp);
  if(n){
    Fl_Group *grp = (Fl_Group*)n->widget();
    return (viewButton*)grp->child(0);
  }
  return 0;
}

void onelabGroup::_addSolverMenu(int num)
{
  std::ostringstream path;
  path << "0Solver/View" << num;
  Fl_Tree_Item *n = _tree->add(path.str().c_str());
  int ww = _baseWidth - (n->depth() + 1) * _indent;
  int hh = n->labelsize() + 4;
  _tree->begin();
  Fl_Group *grp = new Fl_Group(1, 1, ww, hh);
  new solverButton(1, 1, ww, hh, num, _tree->color());
  grp->end();
  if(!_enableTreeWidgetResize) grp->resizable(0);
  _treeWidgets.push_back(grp);
  n->widget(grp);
  _tree->end();
}

void onelabGroup::_addViewMenu(int num)
{
  std::ostringstream path;
  path << "0Post-processing/View" << num;
  Fl_Tree_Item *n;
  if((n = _tree->find_item(path.str().c_str())) != NULL) { // check if the item already exists
    _tree->remove(n);
  }
  n = _tree->add(path.str().c_str());
  int ww = _baseWidth - (n->depth() + 1) * _indent;
  int hh = n->labelsize() + 4;
  _tree->begin();
  Fl_Group *grp = new Fl_Group(1, 1, ww, hh);
  new viewButton(1, 1, ww, hh, num, _tree->color());
  grp->end();
  if(!_enableTreeWidgetResize) grp->resizable(0);
  _treeWidgets.push_back(grp);
  n->widget(grp);
  _tree->end();
}

void onelabGroup::_addMenu(const std::string &path, Fl_Callback *callback, void *data)
{
  Fl_Tree_Item *n = _tree->add(path.c_str());
  _tree->begin();
  int ww = _baseWidth - (n->depth() + 1) * _indent;
  int hh = n->labelsize() + 4;
  Fl_Group *grp = new Fl_Group(1, 1, ww, hh);
  Fl_Button *but = new Fl_Button(1, 1, ww, hh);
  but->align(FL_ALIGN_LEFT | FL_ALIGN_INSIDE | FL_ALIGN_CLIP);
  but->callback(callback, data);
  but->box(FL_FLAT_BOX);
  but->color(_tree->color());
  but->selection_color(_tree->color());
  grp->end();
  if(!_enableTreeWidgetResize) grp->resizable(0);
  _treeWidgets.push_back(grp);
  std::string label = path;
  std::string::size_type last = path.find_last_of('/');
  if(last != std::string::npos) label = path.substr(last + 1);
  but->copy_label(label.c_str());
  n->widget(grp);
  _tree->end();
}