Experiment with own ComboCtrl for preset_choice.

xs/src/slic3r/GUI/Field.cpp

@@ -173,8 +173,7 @@ namespace Slic3r { namespace GUI {
 
 		temp->Bind(wxEVT_KILL_FOCUS, ([this, temp](wxEvent& e)
 		{
-//			on_kill_focus(e);
-			e.Skip();
+			e.Skip();//	on_kill_focus(e);
 			temp->GetToolTip()->Enable(true);
 		}), temp->GetId());
 

xs/src/slic3r/GUI/Tab.cpp

@@ -20,6 +20,7 @@
 #include <wx/filedlg.h>
 
 #include <boost/algorithm/string/predicate.hpp>
+#include "wxExtensions.hpp"
 
 namespace Slic3r {
 namespace GUI {
@@ -38,6 +39,50 @@ void Tab::create_preset_tab(PresetBundle *preset_bundle)
 	// preset chooser
 	m_presets_choice = new wxBitmapComboBox(panel, wxID_ANY, "", wxDefaultPosition, wxSize(270, -1), 0, 0,wxCB_READONLY);
 
+	m_cc_presets_choice = new wxComboCtrl(panel, wxID_ANY, L("Presets"), wxDefaultPosition, wxSize(270, -1), wxCB_READONLY);
+	wxDataViewTreeCtrlComboPopup* popup = new wxDataViewTreeCtrlComboPopup;
+	if (popup != nullptr)
+	{
+		// FIXME If the following line is removed, the combo box popup list will not react to mouse clicks.
+		//  On the other side, with this line the combo box popup cannot be closed by clicking on the combo button on Windows 10.
+// 		comboCtrl->UseAltPopupWindow();
+// 		comboCtrl->EnablePopupAnimation(false);
+		m_cc_presets_choice->SetPopupControl(popup);
+		popup->SetStringValue(from_u8("Text1"));
+
+		popup->Bind(wxEVT_DATAVIEW_SELECTION_CHANGED, [this, popup](wxCommandEvent& evt)
+		{
+			auto selected = popup->GetItemText(popup->GetSelection());
+			if (selected != _(L("System presets")) && selected != _(L("Default presets")))
+				m_cc_presets_choice->SetText(selected);
+//			popup->OnDataViewTreeCtrlSelection(evt);
+		});
+		popup->Bind(wxEVT_KEY_DOWN, [popup](wxKeyEvent& evt) { popup->OnKeyEvent(evt); });
+		popup->Bind(wxEVT_KEY_UP, [popup](wxKeyEvent& evt) { popup->OnKeyEvent(evt); });
+
+		auto icons = new wxImageList(16, 16, true, 1);
+		popup->SetImageList(icons);
+		icons->Add(*new wxIcon(from_u8(Slic3r::var("flag-red-icon.png")), wxBITMAP_TYPE_PNG));
+		icons->Add(*new wxIcon(from_u8(Slic3r::var("flag-green-icon.png")), wxBITMAP_TYPE_PNG));
+
+		Freeze();
+
+		// get label of the currently selected item
+		auto selected = popup->GetItemText(popup->GetSelection());
+		auto root_sys = popup->AppendContainer(wxDataViewItem(0), _(L("System presets")));
+		auto tree_node1 = popup->AppendItem(root_sys, _("Sys1"), 0);
+		auto tree_node2 = popup->AppendContainer(root_sys, _("Sys2"), 0);
+		auto tree_node2_1 = popup->AppendItem(tree_node2, _("Sys2_1"), 0);
+
+		auto root_def = popup->AppendContainer(wxDataViewItem(0), _(L("Default presets")));
+		auto tree_node01 = popup->AppendContainer(root_def, _("Def1"), 0);
+		auto tree_node02 = popup->AppendContainer(root_def, _("Def2"), 0);
+		auto tree_node02_1 = popup->AppendItem(tree_node02, _("Def2_1"), 0);
+
+		Thaw();
+	}
+
+
 	auto color = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
 
 	//buttons
@@ -82,6 +127,8 @@ void Tab::create_preset_tab(PresetBundle *preset_bundle)
 	m_hsizer->AddSpacer(64);
 	m_hsizer->Add(m_undo_to_sys_btn, 0, wxALIGN_CENTER_VERTICAL);
 	m_hsizer->Add(m_undo_btn, 0, wxALIGN_CENTER_VERTICAL);
+	m_hsizer->AddSpacer(64);
+	m_hsizer->Add(m_cc_presets_choice, 1, wxLEFT | wxRIGHT | wxTOP | wxALIGN_CENTER_VERTICAL, 3);
 
 	//Horizontal sizer to hold the tree and the selected page.
 	m_hsizer = new wxBoxSizer(wxHORIZONTAL);

xs/src/slic3r/GUI/Tab.hpp

@@ -21,6 +21,7 @@
 #include <wx/treectrl.h>
 #include <wx/imaglist.h>
 #include <wx/statbox.h>
+#include <wx/dataview.h>
 
 #include <map>
 #include <vector>
@@ -95,6 +96,7 @@ protected:
 	wxButton*			m_compatible_printers_btn;
 	wxButton*			m_undo_btn;
 	wxButton*			m_undo_to_sys_btn;
+	wxComboCtrl*		m_cc_presets_choice;
 
 	int					m_icon_count;
 	std::map<std::string, size_t>	m_icon_index;		// Map from an icon file name to its index

xs/src/slic3r/GUI/wxExtensions.cpp

@@ -109,3 +109,47 @@ void wxCheckListBoxComboPopup::OnListBoxSelection(wxCommandEvent& evt)
         ProcessEvent(event);
     }
 }
+
+
+// ***  wxDataViewTreeCtrlComboPopup  ***
+
+const unsigned int wxDataViewTreeCtrlComboPopup::DefaultWidth = 270;
+const unsigned int wxDataViewTreeCtrlComboPopup::DefaultHeight = 200;
+const unsigned int wxDataViewTreeCtrlComboPopup::DefaultItemHeight = 22;
+
+bool wxDataViewTreeCtrlComboPopup::Create(wxWindow* parent)
+{
+	return wxDataViewTreeCtrl::Create(parent, wxID_HIGHEST + 1, wxPoint(0, 0), wxSize(270, -1));
+}
+
+wxSize wxDataViewTreeCtrlComboPopup::GetAdjustedSize(int minWidth, int prefHeight, int maxHeight)
+{
+	// matches owner wxComboCtrl's width
+	// and sets height dinamically in dependence of contained items count
+	return wxSize(DefaultWidth, DefaultHeight);
+}
+
+void wxDataViewTreeCtrlComboPopup::OnKeyEvent(wxKeyEvent& evt)
+{
+	// filters out all the keys which are not working properly
+	if (evt.GetKeyCode() == WXK_UP)
+	{
+		return;
+	}
+	else if (evt.GetKeyCode() == WXK_DOWN)
+	{
+		return;
+	}
+	else
+	{
+		evt.Skip();
+		return;
+	}
+}
+
+void wxDataViewTreeCtrlComboPopup::OnDataViewTreeCtrlSelection(wxCommandEvent& evt)
+{
+	wxComboCtrl* cmb = GetComboCtrl();
+	auto selected = GetItemText(GetSelection());
+	cmb->SetText(selected);
+}

xs/src/slic3r/GUI/wxExtensions.hpp

@@ -3,6 +3,7 @@
 
 #include <wx/checklst.h>
 #include <wx/combo.h>
+#include <wx/dataview.h>
 
 class wxCheckListBoxComboPopup : public wxCheckListBox, public wxComboPopup
 {
@@ -25,4 +26,27 @@ public:
     void OnListBoxSelection(wxCommandEvent& evt);
 };
 
+
+// ***  wxDataViewTreeCtrlComboBox  ***
+
+class wxDataViewTreeCtrlComboPopup: public wxDataViewTreeCtrl, public wxComboPopup
+{
+	static const unsigned int DefaultWidth;
+	static const unsigned int DefaultHeight;
+	static const unsigned int DefaultItemHeight;
+
+	wxString	m_text;
+	int			m_cnt_open_items=2;
+
+public:
+	virtual bool		Create(wxWindow* parent);
+	virtual wxWindow*	GetControl() { return this; }
+	virtual void		SetStringValue(const wxString& value) { m_text = value; }
+	virtual wxString	GetStringValue() const { return m_text; }
+	virtual wxSize		GetAdjustedSize(int minWidth, int prefHeight, int maxHeight);
+
+	virtual void		OnKeyEvent(wxKeyEvent& evt);
+	void				OnDataViewTreeCtrlSelection(wxCommandEvent& evt);
+};
+
 #endif // slic3r_GUI_wxExtensions_hpp_