First steps

xs/src/slic3r/GUI/OptionsGroup/Field.cpp

@@ -0,0 +1,36 @@
+#include "Field.hpp"
+
+namespace Slic3r { namespace GUI {
+
+void TextCtrl::BUILD() {
+    wxString default_value = "";
+    // Empty wxString object fails cast, default to "" if 
+    // the recast fails from boost::any.
+    try {
+        if (opt.default_value != nullptr) {
+            default_value = boost::any_cast<wxString>(*(opt.default_value));
+        }
+    } catch (const boost::bad_any_cast& e) {
+        //TODO log error
+    }
+    auto size = wxSize(opt.height,opt.width);
+    if (opt.height == 0 || opt.width == 0) { size = wxDefaultSize; }
+
+    wxTextCtrl* temp = new wxTextCtrl(_parent, wxID_ANY, default_value, wxDefaultPosition, size, (opt.multiline ? wxTE_MULTILINE : 0));
+
+    _on_change = [=](wxCommandEvent& a) { this->__on_change(a);};
+
+    // This replaces the generic EVT_TEXT call to set the table up, it works with function objects.
+    temp->Bind(wxEVT_TEXT, _on_change, temp->GetId());
+    if (opt.tooltip.length() > 0) { temp->SetToolTip(opt.tooltip); }
+
+    // recast as a wxWindow to fit the calling convention
+    _window = dynamic_cast<wxWindow*>(temp);
+}
+
+// Fixed (temporary) function. We can (and probably should) use lambdas instead.
+void TextCtrl::__on_change(wxCommandEvent& a) {
+    printf("Calling _on_change for %d.\n", opt.label);
+}
+
+} }