PartDesign: Linear pattern, add checkbox for dir2 (#24378)

* PartDesign: Linear pattern, add checkbox for dir2

* Update PatternParametersWidget.ui

* Update PatternParametersWidget.h

* Update PatternParametersWidget.cpp

src/Mod/Part/Gui/PatternParametersWidget.cpp

@@ -75,6 +75,8 @@ void PatternParametersWidget::setupUiElements()
     ParameterGrp::handle hPart = App::GetApplication().GetParameterGroupByPath(
         "User parameter:BaseApp/Preferences/Mod/Part");
     ui->addSpacingButton->setVisible(hPart->GetBool("ExperimentalFeatures", false));
+
+    ui->enableCheckbox->setVisible(false);
 }
 
 void PatternParametersWidget::connectSignals()
@@ -97,6 +99,11 @@ void PatternParametersWidget::connectSignals()
     connect(ui->addSpacingButton, &QToolButton::clicked,
         this, &PatternParametersWidget::onAddSpacingButtonClicked);
 
+    connect(ui->groupBox, &QGroupBox::toggled, this, &PatternParametersWidget::onGroupBoxToggled);
+    connect(ui->enableCheckbox,
+            &QCheckBox::toggled,
+            this,
+            &PatternParametersWidget::onEnableCheckBoxToggled);
     // Note: Connections for dynamic rows are done in addSpacingRow()
 }
 
@@ -137,6 +144,10 @@ void PatternParametersWidget::bindProperties(App::PropertyLinkSub* directionProp
     ui->spinOccurrences->setMinimum(m_occurrencesProp->getMinimum());
     ui->spinOccurrences->blockSignals(false);
 
+    if (ui->groupBox->isCheckable()) {
+        setChecked(m_occurrencesProp->getValue() > 1);
+    }
+
     // Initial UI update from properties
     updateUI();
 }
@@ -177,6 +188,39 @@ void PatternParametersWidget::updateUI()
     adaptVisibilityToMode();
 }
 
+void PatternParametersWidget::onGroupBoxToggled(bool checked)
+{
+    if (blockUpdate || !m_occurrencesProp) {
+        return;
+    }
+
+    if (!checked) {
+        // When unchecked, the pattern in this direction is disabled.
+        // Set occurrences to 1, which effectively removes the pattern effect.
+        if (m_occurrencesProp->getValue() != 1) {
+            ui->spinOccurrences->setValue(1);
+        }
+
+        ui->groupBox->setVisible(false);
+        ui->enableCheckbox->setVisible(true);
+        ui->enableCheckbox->setChecked(false);
+    }
+}
+
+void PatternParametersWidget::onEnableCheckBoxToggled(bool checked)
+{
+    if (blockUpdate || !m_occurrencesProp) {
+        return;
+    }
+
+    if (checked) {
+        // When unchecked, the pattern in this direction is disabled.
+        // Set occurrences to 1, which effectively removes the pattern effect.
+        ui->groupBox->setChecked(true);
+        ui->groupBox->setVisible(true);
+        ui->enableCheckbox->setVisible(false);
+    }
+}
 
 void PatternParametersWidget::adaptVisibilityToMode()
 {
@@ -216,6 +260,7 @@ void PatternParametersWidget::setCheckable(bool on)
 void PatternParametersWidget::setChecked(bool on)
 {
     ui->groupBox->setChecked(on);
+    ui->enableCheckbox->setChecked(on);
 }
 
 // --- Slots ---
@@ -488,3 +533,4 @@ void PatternParametersWidget::applyQuantitySpinboxes() const
 }
 
 //#include "moc_PatternParametersWidget.cpp"
+

src/Mod/Part/Gui/PatternParametersWidget.h

@@ -168,6 +168,9 @@ namespace PartGui {
         void onOffsetChanged(double value);
         void onOccurrencesChanged(unsigned int value);
 
+        void onGroupBoxToggled(bool checked);
+        void onEnableCheckBoxToggled(bool checked);
+
         // Slots for dynamic spacing
         void onAddSpacingButtonClicked();
         void onDynamicSpacingChanged(); // Simplified slot
@@ -210,4 +213,5 @@ namespace PartGui {
 
 } // namespace PartGui
 
-#endif // PARTGUI_PATTERNPARAMETERSWIDGET_H
+
+#endif // PARTGUI_PATTERNPARAMETERSWIDGET_H

src/Mod/Part/Gui/PatternParametersWidget.ui

@@ -23,6 +23,13 @@
    <property name="bottomMargin">
     <number>0</number>
    </property>
+   <item>
+    <widget class="QCheckBox" name="enableCheckbox">
+     <property name="text">
+      <string>Direction 2</string>
+     </property>
+    </widget>
+   </item>
    <item>
     <widget class="QGroupBox" name="groupBox">
      <property name="title">
@@ -191,3 +198,4 @@
  <resources/>
  <connections/>
 </ui>
+

src/Mod/PartDesign/Gui/TaskPatternParameters.cpp

@@ -110,6 +110,7 @@ void TaskPatternParameters::setupParameterUI(QWidget* widget)
         connect(parametersWidget2, &PartGui::PatternParametersWidget::parametersChanged,
             this, &TaskPatternParameters::onParameterWidgetParametersChanged);
         parametersWidget2->setTitle(tr("Direction 2"));
+        parametersWidget2->setCheckable(true);
     }
 
     bindProperties();