feat: add setting for layer start randomization

Author: lvjonok

settings.yaml

@@ -109,6 +109,7 @@ slicing:
   originz: 0.0
   overlapping_infill_percentage: 100.0
   overlapping_infill_lid_percentage: 60.0
+  random_layer_start: false
   planes_contact_with_nozzle: ""
   print_speed: 50
   print_speed_layer1: 50

src/locales.py

@@ -91,6 +91,7 @@ class Locale:
     GCodeLoadingProgress = "GCode loading is in progress..."
     SupportsSettings = "Supports settings"
     MaterialShrinkage = "Material shrinkage, %:"
+    RandomLayerStart = "Random layer start"
     FlowRate = "Flow rate, %:"
     PressureAdvance = "Pressure advance"
     PressureAdvanceValue = "Pressure advance value"
@@ -255,6 +256,7 @@ def __init__(self, **entries):
         GCodeLoadingProgress="Загрузка GCode в прогрессе...",
         SupportsSettings="Настройки поддержек",
         MaterialShrinkage="Величина усадки материала, %:",
+        RandomLayerStart="Спрятать шов", 
         FlowRate="Коэффициент потока расплава, %:",
         PressureAdvance="Управление давлением расплава",
         PressureAdvanceValue="Коэффициент управления давлением",

src/settings_widget.py

@@ -62,6 +62,7 @@ class SettingsWidget(QWidget):
         "flow_rate",  # Коэффициент потока расплава
         "pressure_advance_on",
         "pressure_advance_rate",
+        "random_layer_start",
         # TODO: add separate dummy setting to mark the beginning of supports settings
         "supports_on",
         "support_density",
@@ -127,6 +128,7 @@ def __init__(self, parent=None, settings_provider: callable = None):
             "retraction_speed": self.locale.RetractionSpeed,
             "retraction_compensation": self.locale.RetractCompensationAmount,
             "material_shrinkage": self.locale.MaterialShrinkage,
+            "random_layer_start": self.locale.RandomLayerStart,
             # TODO: add separate dummy setting to mark the beginning of supports settings
             "supports_on": self.locale.SupportsOn,
             "support_density": self.locale.SupportDensity,
@@ -888,21 +890,21 @@ def on_change():
         elif name == "retraction_on":
             self.ensure_sett("slicing.retraction_on")
 
-            retraction_on_label = QLabel(self.locale.Retraction)
-            retraction_on_box = QCheckBox()
+            rls_on_label = QLabel(self.locale.Retraction)
+            rls_on_box = QCheckBox()
             if self.sett().slicing.retraction_on:
-                retraction_on_box.setCheckState(QtCore.Qt.Checked)
-            self.panel.addWidget(retraction_on_label, self.next_row, 1)
-            self.panel.addWidget(retraction_on_box, self.cur_row, 2, 1, self.col2_cells)
+                rls_on_box.setCheckState(QtCore.Qt.Checked)
+            self.panel.addWidget(rls_on_label, self.next_row, 1)
+            self.panel.addWidget(rls_on_box, self.cur_row, 2, 1, self.col2_cells)
 
             def on_change():
-                self.sett().slicing.retraction_on = retraction_on_box.isChecked()
+                self.sett().slicing.retraction_on = rls_on_box.isChecked()
 
-            retraction_on_box.stateChanged.connect(on_change)
+            rls_on_box.stateChanged.connect(on_change)
 
             self.__elements[name] = {
-                "label": retraction_on_label,
-                "checkbox": retraction_on_box,
+                "label": rls_on_label,
+                "checkbox": rls_on_box,
             }
 
         elif name == "retraction_distance":
@@ -1005,6 +1007,25 @@ def on_change():
                 "edit": material_shrinkage_value,
             }
 
+        elif name == "random_layer_start":
+            self.ensure_sett("slicing.random_layer_start")
+
+            rls_on_label = QLabel(self.locale.RandomLayerStart)
+            rls_on_box = QCheckBox()
+            if self.sett().slicing.random_layer_start:
+                rls_on_box.setCheckState(QtCore.Qt.Checked)
+            self.panel.addWidget(rls_on_label, self.next_row, 1)
+            self.panel.addWidget(rls_on_box, self.cur_row, 2, 1, self.col2_cells)
+
+            def on_change():
+                self.sett().slicing.random_layer_start = rls_on_box.isChecked()
+
+            rls_on_box.stateChanged.connect(on_change)
+
+            self.__elements[name] = {
+                "label": rls_on_label,
+                "checkbox": rls_on_box,
+            }
         elif name == "flow_rate":
             self.ensure_sett("slicing.flow_rate")