Fix multiple minor multiple autoslicing issues

- Add tooltip to slice all button
- Count from 1 when naming beds sent to connect
- Partially improve statistics window

src/slic3r/GUI/GLCanvas3D.cpp

@@ -2019,12 +2019,12 @@ void begin_statistics(const char *window_name) {
         ImGuiWindowFlags_NoCollapse
         | ImGuiWindowFlags_NoMove
         | ImGuiWindowFlags_AlwaysAutoResize
-        | ImGuiWindowFlags_NoScrollbar
-        | ImGuiWindowFlags_NoScrollWithMouse;
+        | ImGuiWindowFlags_HorizontalScrollbar;
 
     const ImVec2 center{ImGui::GetMainViewport()->GetCenter()};
-    const ImVec2 position{center + ImVec2{0, -150.0f}};
-    ImGui::SetNextWindowPos(position, ImGuiCond_Appearing, ImVec2{0.5f, 0.5f});
+    const float y_postion{std::max(center.y - 150.0f, 150.0f)};
+    const ImVec2 position{center.x, y_postion};
+    ImGui::SetNextWindowPos(position, ImGuiCond_Always, ImVec2{0.5f, 0.5f});
 
     ImGui::Begin(window_name, nullptr, windows_flags);
 }
@@ -6639,6 +6639,10 @@ bool slice_all_beds_button(bool is_active, const ImVec2 size, const ImVec2 paddi
     std::string slice_all_btn_name = boost::nowide::narrow(std::wstring{ ImGui::SliceAllBtnIcon });
     bool clicked = ImGui::Button(slice_all_btn_name.c_str(), size + padding);
 
+    if (ImGui::IsItemHovered()) {
+        ImGui::SetTooltip("%s", _u8L("Slice all").c_str());
+    }
+
     ImGui::PopStyleColor(4);
 
     return clicked;

src/slic3r/GUI/Plater.cpp

@@ -6602,7 +6602,7 @@ void Plater::connect_gcode_all() {
         const fs::path filename{upload_job.upload_data.upload_path};
         upload_job.upload_data.upload_path =
             filename.stem().string()
-            + "_bed" + std::to_string(print_index)
+            + "_bed" + std::to_string(print_index + 1)
             + filename.extension().string();
         this->p->background_process.prepare_upload(upload_job);
     }