Require less clicks to change filament in object list (#12603)

* reduces number of clicks to change filament in objectlist

* dont set minimum width in dropdown if use_content_width == true

---------

Co-authored-by: Hanno Witzleb <hannowitzleb@gmail.com>
Co-authored-by: yw4z <ywsyildiz@gmail.com>

src/slic3r/GUI/ExtraRenderers.cpp

@@ -235,7 +235,7 @@ bool BitmapTextRenderer::GetValueFromEditorCtrl(wxWindow* ctrl, wxVariant& value
 
     // The icon can't be edited so get its old value and reuse it.
     wxVariant valueOld;
-    GetView()->GetModel()->GetValue(valueOld, m_item, /*colName*/0); 
+    GetView()->GetModel()->GetValue(valueOld, m_item, Slic3r::GUI::ColumnNumber::colName); 
     
     DataViewBitmapText bmpText;
     bmpText << valueOld;
@@ -265,13 +265,10 @@ bool BitmapChoiceRenderer::GetValue(wxVariant& value) const
 
 bool BitmapChoiceRenderer::Render(wxRect rect, wxDC* dc, int state)
 {
-//    int xoffset = 0;
-
     const wxBitmap& icon = m_value.GetBitmap();
     if (icon.IsOk())
     {
         dc->DrawBitmap(icon, rect.x, rect.y + (rect.height - icon.GetHeight()) / 2);
-//        xoffset = icon.GetWidth() + 4;
 
         if (rect.height == 0)
           rect.height = icon.GetHeight();
@@ -299,7 +296,6 @@ wxSize BitmapChoiceRenderer::GetSize() const
     return sz;
 }
 
-
 wxWindow* BitmapChoiceRenderer::CreateEditorCtrl(wxWindow* parent, wxRect labelRect, const wxVariant& value)
 {
     if (can_create_editor_ctrl && !can_create_editor_ctrl())
@@ -316,7 +312,7 @@ wxWindow* BitmapChoiceRenderer::CreateEditorCtrl(wxWindow* parent, wxRect labelR
         labelRect.GetTopLeft(), wxSize(labelRect.GetWidth(), -1),
         0, nullptr, wxCB_READONLY | CB_NO_DROP_ICON | CB_NO_TEXT);
     c_editor->GetDropDown().SetUseContentWidth(true);
-
+       
     if (has_default_extruder && has_default_extruder())
         c_editor->Append(_L("default"), *get_default_extruder_color_icon());
 
@@ -328,18 +324,19 @@ wxWindow* BitmapChoiceRenderer::CreateEditorCtrl(wxWindow* parent, wxRect labelR
     else
         c_editor->SetSelection(atoi(data.GetText().c_str()) - 1);
 
-#ifdef __linux__
+    // Open the dropdown immediately when the editor is focused.
+    c_editor->Bind(wxEVT_SET_FOCUS, [c_editor](wxFocusEvent& evt) {
+        c_editor->ForceDropdownOpen();
+        evt.Skip(); 
+    });
+
+    // Close editor after selection is made
     c_editor->Bind(wxEVT_COMBOBOX, [this](wxCommandEvent& evt) {
-        // to avoid event propagation to other sidebar items
-        evt.StopPropagation();
+        evt.StopPropagation(); 
         // FinishEditing grabs new selection and triggers config update. We better call
         // it explicitly, automatic update on KILL_FOCUS didn't work on Linux.
         this->FinishEditing();
     });
-#else
-    // to avoid event propagation to other sidebar items
-    c_editor->Bind(wxEVT_COMBOBOX, [](wxCommandEvent& evt) { evt.StopPropagation(); });
-#endif
 
     return c_editor;
 }

src/slic3r/GUI/ExtraRenderers.hpp

@@ -132,13 +132,9 @@ private:
 class BitmapChoiceRenderer : public wxDataViewCustomRenderer
 {
 public:
-    BitmapChoiceRenderer(wxDataViewCellMode mode =
-//#ifdef __WXOSX__
-//        wxDATAVIEW_CELL_INERT
-//#else
-        wxDATAVIEW_CELL_EDITABLE
-//#endif
-        , int align = wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL
+    BitmapChoiceRenderer(
+        wxDataViewCellMode mode = wxDATAVIEW_CELL_EDITABLE,
+        int align = wxALIGN_LEFT | wxALIGN_CENTER_VERTICAL
     ) : wxDataViewCustomRenderer(wxT("DataViewBitmapText"), mode, align) {}
 
     bool SetValue(const wxVariant& value) override;

src/slic3r/GUI/GUI_ObjectList.cpp

@@ -460,6 +460,15 @@ void ObjectList::create_objects_ctrl()
     AppendBitmapColumn(" ", colEditing, wxOSX ? wxDATAVIEW_CELL_EDITABLE : wxDATAVIEW_CELL_INERT, m_columns_width[colEditing] * em,
         wxALIGN_CENTER_HORIZONTAL, 0);
 
+
+    // Open filament editor faster
+    this->Bind(wxEVT_DATAVIEW_ITEM_ACTIVATED, [this](wxDataViewEvent& event) {
+        if (event.GetColumn() == colFilament) {
+            // Trigger the editor opening manually
+            this->EditItem(event.GetItem(), GetColumn(colFilament));
+        }
+    });
+
     //for (int cn = colName; cn < colCount; cn++) {
     //    GetColumn(cn)->SetResizeable(cn == colName);
     //}

src/slic3r/GUI/Widgets/ComboBox.cpp

@@ -241,6 +241,23 @@ void ComboBox::DoDeleteOneItem(unsigned int pos)
     drop.Invalidate(true);
 }
 
+void ComboBox::ForceDropdownOpen()
+{
+    if (!IsEnabled())
+        return;
+
+    if (!drop_down) {
+        drop.need_sync = true;
+        drop.messureSize();
+        drop.autoPosition();
+        drop_down = true;
+        drop.Popup(&drop);
+
+        wxCommandEvent e(wxEVT_COMBOBOX_DROPDOWN);
+        GetEventHandler()->ProcessEvent(e);
+    }
+}
+
 unsigned int ComboBox::GetCount() const { return items.size(); }
 
 void ComboBox::set_replace_text(wxString text, wxString image_name)

src/slic3r/GUI/Widgets/ComboBox.hpp

@@ -76,6 +76,9 @@ public:
     void     SetItemBitmap(unsigned int n, wxBitmap const &bitmap);
     bool     is_drop_down(){return drop_down;}
     void     DeleteOneItem(unsigned int pos) { DoDeleteOneItem(pos); }
+
+    void ForceDropdownOpen();
+
 protected:
     virtual int  DoInsertItems(const wxArrayStringsAdapter &items,
                                unsigned int                 pos,

src/slic3r/GUI/Widgets/DropDown.cpp

@@ -525,7 +525,7 @@ void DropDown::messureSize()
     }
     if (!align_icon) iconSize.x = 0;
     wxSize szContent = textSize;
-    if (szContent.x < FromDIP(120))
+    if (szContent.x < FromDIP(120) && !use_content_width)
         szContent.x = FromDIP(120);
     szContent.x += 10;
     if (check_bitmap.bmp().IsOk()) {