Added 'travel_acceleration' configuration option (not used so far)

src/libslic3r/Preset.cpp

@@ -434,7 +434,7 @@ static std::vector<std::string> s_Preset_print_options {
     "enable_dynamic_overhang_speeds", "overhang_speed_0", "overhang_speed_1", "overhang_speed_2", "overhang_speed_3",
     "top_solid_infill_speed", "support_material_speed", "support_material_xy_spacing", "support_material_interface_speed",
     "bridge_speed", "gap_fill_speed", "gap_fill_enabled", "travel_speed", "travel_speed_z", "first_layer_speed", "first_layer_speed_over_raft", "perimeter_acceleration", "infill_acceleration",
-    "external_perimeter_acceleration", "top_solid_infill_acceleration", "solid_infill_acceleration",
+    "external_perimeter_acceleration", "top_solid_infill_acceleration", "solid_infill_acceleration", "travel_acceleration",
     "bridge_acceleration", "first_layer_acceleration", "first_layer_acceleration_over_raft", "default_acceleration", "skirts", "skirt_distance", "skirt_height", "draft_shield",
     "min_skirt_length", "brim_width", "brim_separation", "brim_type", "support_material", "support_material_auto", "support_material_threshold", "support_material_enforce_layers",
     "raft_layers", "raft_first_layer_density", "raft_first_layer_expansion", "raft_contact_distance", "raft_expansion",

src/libslic3r/Print.cpp

@@ -137,6 +137,7 @@ bool Print::invalidate_state_by_config_options(const ConfigOptionResolver & /* n
         "start_filament_gcode",
         "toolchange_gcode",
         "top_solid_infill_acceleration",
+        "travel_acceleration",
         "thumbnails",
         "thumbnails_format",
         "use_firmware_retraction",

src/libslic3r/PrintConfig.cpp

@@ -1463,7 +1463,15 @@ void PrintConfigDef::init_fff_params()
     def->min = 0;
     def->mode = comExpert;
     def->set_default_value(new ConfigOptionFloat(0));
-    
+
+    def = this->add("travel_acceleration", coFloat);
+    def->label = L("Travel");
+    def->tooltip = L("This is the acceleration your printer will use for travel moves. Set zero to disable "
+                     "acceleration control for travel.");
+    def->sidetext = L("mm/s²");
+    def->min = 0;
+    def->mode = comExpert;
+    def->set_default_value(new ConfigOptionFloat(0));
 
     def = this->add("infill_every_layers", coInt);
     def->label = L("Combine infill every");

src/libslic3r/PrintConfig.hpp

@@ -815,6 +815,7 @@ PRINT_CONFIG_CLASS_DERIVED_DEFINE(
     ((ConfigOptionPoints,             thumbnails))
     ((ConfigOptionEnum<GCodeThumbnailsFormat>,  thumbnails_format))
     ((ConfigOptionFloat,              top_solid_infill_acceleration))
+    ((ConfigOptionFloat,              travel_acceleration))
     ((ConfigOptionBools,              wipe))
     ((ConfigOptionBool,               wipe_tower))
     ((ConfigOptionFloat,              wipe_tower_x))

src/slic3r/GUI/ConfigManipulation.cpp

@@ -256,7 +256,7 @@ void ConfigManipulation::toggle_print_fff_options(DynamicPrintConfig* config)
 
     bool have_default_acceleration = config->opt_float("default_acceleration") > 0;
     for (auto el : { "perimeter_acceleration", "infill_acceleration", "top_solid_infill_acceleration",
-                    "solid_infill_acceleration", "external_perimeter_acceleration"
+                    "solid_infill_acceleration", "external_perimeter_acceleration",
                     "bridge_acceleration", "first_layer_acceleration" })
         toggle_field(el, have_default_acceleration);
 

src/slic3r/GUI/Tab.cpp

@@ -1573,6 +1573,7 @@ void TabPrint::build()
         optgroup->append_single_option_line("bridge_acceleration");
         optgroup->append_single_option_line("first_layer_acceleration");
         optgroup->append_single_option_line("first_layer_acceleration_over_raft");
+        optgroup->append_single_option_line("travel_acceleration");
         optgroup->append_single_option_line("default_acceleration");
 
         optgroup = page->new_optgroup(L("Autospeed (advanced)"));