Unify Tree/Organic terminology.

+ Implemented Enabling/Disabling for parameters of Organic support
SPE-1478(https://dev.prusa3d.com/browse/SPE-1478)

src/libslic3r/PrintConfig.cpp

@@ -2786,7 +2786,7 @@ void PrintConfigDef::init_fff_params()
     def->set_default_value(new ConfigOptionBool(true));
 
     def = this->add("support_tree_angle", coFloat);
-    def->label = L("Tree Support Maximum Branch Angle");
+    def->label = L("Maximum Branch Angle");
     def->category = L("Support material");
     def->tooltip = L("The maximum angle of the branches, when the branches have to avoid the model. "
                      "Use a lower angle to make them more vertical and more stable. Use a higher angle to be able to have more reach.");
@@ -2797,7 +2797,7 @@ void PrintConfigDef::init_fff_params()
     def->set_default_value(new ConfigOptionFloat(40));
 
     def = this->add("support_tree_angle_slow", coFloat);
-    def->label = L("Tree Support Preferred Branch Angle");
+    def->label = L("Preferred Branch Angle");
     def->category = L("Support material");
     def->tooltip = L("The preferred angle of the branches, when they do not have to avoid the model. "
                      "Use a lower angle to make them more vertical and more stable. Use a higher angle for branches to merge faster.");
@@ -2808,18 +2808,18 @@ void PrintConfigDef::init_fff_params()
     def->set_default_value(new ConfigOptionFloat(25));
 
     def = this->add("support_tree_tip_diameter", coFloat);
-    def->label = L("Tree Support Tip Diameter");
+    def->label = L("Tip Diameter");
     def->category = L("Support material");
-    def->tooltip = L("The diameter of the top of the tip of the branches of tree support.");
+    def->tooltip = L("The diameter of the top of the tip of the branches of organic support.");
     def->sidetext = L("mm");
     def->min = 0;
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionFloat(0.8));
 
     def = this->add("support_tree_branch_diameter", coFloat);
-    def->label = L("Tree Support Branch Diameter");
+    def->label = L("Branch Diameter");
     def->category = L("Support material");
-    def->tooltip = L("The diameter of the thinnest branches of tree support. Thicker branches are more sturdy. "
+    def->tooltip = L("The diameter of the thinnest branches of organic support. Thicker branches are more sturdy. "
                      "Branches towards the base will be thicker than this.");
     def->sidetext = L("mm");
     def->min = 0;
@@ -2827,11 +2827,11 @@ void PrintConfigDef::init_fff_params()
     def->set_default_value(new ConfigOptionFloat(2));
 
     def = this->add("support_tree_branch_diameter_angle", coFloat);
-    def->label = L("Tree Support Branch Diameter Angle");
+    def->label = L("Branch Diameter Angle");
     def->category = L("Support material");
     def->tooltip = L("The angle of the branches' diameter as they gradually become thicker towards the bottom. "
                      "An angle of 0 will cause the branches to have uniform thickness over their length. "
-                     "A bit of an angle can increase stability of the tree support.");
+                     "A bit of an angle can increase stability of the organic support.");
     def->sidetext = L("°");
     def->min = 0;
     def->max = 15;
@@ -2839,7 +2839,7 @@ void PrintConfigDef::init_fff_params()
     def->set_default_value(new ConfigOptionFloat(5));
 
     def = this->add("support_tree_top_rate", coPercent);
-    def->label = L("Tree Support Branch Density");
+    def->label = L("Branch Density");
     def->category = L("Support material");
     def->tooltip = L("Adjusts the density of the support structure used to generate the tips of the branches. "
                      "A higher value results in better overhangs, but the supports are harder to remove. "

src/slic3r/GUI/ConfigManipulation.cpp

@@ -292,6 +292,13 @@ void ConfigManipulation::toggle_print_fff_options(DynamicPrintConfig* config)
     toggle_field("support_material_bottom_contact_distance", have_support_material && ! have_support_soluble);
     toggle_field("support_material_closing_radius", have_support_material && support_material_style == smsSnug);
 
+    const bool has_organic_supports = support_material_style == smsOrganic && 
+                                     (config->opt_bool("support_material") || 
+                                      config->opt_int("support_material_enforce_layers") > 0);
+    for (const std::string& key : { "support_tree_angle", "support_tree_angle_slow", "support_tree_branch_diameter",
+                                    "support_tree_branch_diameter_angle", "support_tree_tip_diameter", "support_tree_top_rate" })
+        toggle_field(key, has_organic_supports);
+
     for (auto el : { "support_material_bottom_interface_layers", "support_material_interface_spacing", "support_material_interface_extruder",
                     "support_material_interface_speed", "support_material_interface_contact_loops" })
         toggle_field(el, have_support_material && have_support_interface);

src/slic3r/GUI/Tab.cpp

@@ -1526,7 +1526,7 @@ void TabPrint::build()
         optgroup->append_single_option_line("dont_support_bridges", category_path + "dont-support-bridges");
         optgroup->append_single_option_line("support_material_synchronize_layers", category_path + "synchronize-with-object-layers");
 
-        optgroup = page->new_optgroup(L("Tree supports"));
+        optgroup = page->new_optgroup(L("Organic supports"));
         optgroup->append_single_option_line("support_tree_angle", category_path + "tree_angle");
         optgroup->append_single_option_line("support_tree_angle_slow", category_path + "tree_angle_slow");
         optgroup->append_single_option_line("support_tree_branch_diameter", category_path + "tree_branch_diameter");