Add per-extruder preheat controls

These are lifted from the bed preheat controls and are not functional at the moment

cura/PrinterOutput/PrinterOutputController.py

@@ -15,6 +15,7 @@ class PrinterOutputController:
         self.can_pause = True
         self.can_abort = True
         self.can_pre_heat_bed = True
+        self.can_pre_heat_extruders = True
         self.can_control_manually = True
         self._output_device = output_device
 

cura/PrinterOutput/PrinterOutputModel.py

@@ -218,6 +218,13 @@ class PrinterOutputModel(QObject):
             return self._controller.can_pre_heat_bed
         return False
 
+    # Does the printer support pre-heating the bed at all
+    @pyqtProperty(bool, constant=True)
+    def canPreHeatExtruders(self):
+        if self._controller:
+            return self._controller.can_pre_heat_extruders
+        return False
+
     # Does the printer support pause at all
     @pyqtProperty(bool, constant=True)
     def canPause(self):

plugins/UM3NetworkPrinting/ClusterUM3PrinterOutputController.py

@@ -13,6 +13,7 @@ class ClusterUM3PrinterOutputController(PrinterOutputController):
     def __init__(self, output_device):
         super().__init__(output_device)
         self.can_pre_heat_bed = False
+        self.can_pre_heat_extruders = False
         self.can_control_manually = False
 
     def setJobState(self, job: "PrintJobOutputModel", state: str):

resources/qml/PrinterOutput/ExtruderBox.qml

@@ -39,7 +39,7 @@ Item
             color: UM.Theme.getColor("text_inactive")
             anchors.right: parent.right
             anchors.rightMargin: UM.Theme.getSize("default_margin").width
-            anchors.bottom: extruderTemperature.bottom
+            anchors.bottom: extruderCurrentTemperature.bottom
 
             MouseArea //For tooltip.
             {
@@ -65,7 +65,7 @@ Item
         }
         Label //Temperature indication.
         {
-            id: extruderTemperature
+            id: extruderCurrentTemperature
             text: Math.round(extruderModel.hotendTemperature) + "°C"
             //text: (connectedPrinter != null && connectedPrinter.hotendIds[index] != null && connectedPrinter.hotendTemperatures[index] != null) ? Math.round(connectedPrinter.hotendTemperatures[index]) + "°C" : ""
             color: UM.Theme.getColor("text")
@@ -76,7 +76,7 @@ Item
 
             MouseArea //For tooltip.
             {
-                id: extruderTemperatureTooltipArea
+                id: extruderCurrentTemperatureTooltipArea
                 hoverEnabled: true
                 anchors.fill: parent
                 onHoveredChanged:
@@ -97,6 +97,258 @@ Item
             }
         }
 
+        Rectangle //Input field for pre-heat temperature.
+        {
+            id: preheatTemperatureControl
+            color: !enabled ? UM.Theme.getColor("setting_control_disabled") : showError ? UM.Theme.getColor("setting_validation_error_background") : UM.Theme.getColor("setting_validation_ok")
+            property var showError:
+            {
+                if(extruderTemperature.properties.maximum_value != "None" && extruderTemperature.properties.maximum_value <  Math.floor(preheatTemperatureInput.text))
+                {
+                    return true;
+                } else
+                {
+                    return false;
+                }
+            }
+            enabled:
+            {
+                if (extruderModel == null)
+                {
+                    return false; //Can't preheat if not connected.
+                }
+                if (!connectedPrinter.acceptsCommands)
+                {
+                    return false; //Not allowed to do anything.
+                }
+                if (connectedPrinter.jobState == "printing" || connectedPrinter.jobState == "pre_print" || connectedPrinter.jobState == "resuming" || connectedPrinter.jobState == "pausing" || connectedPrinter.jobState == "paused" || connectedPrinter.jobState == "error" || connectedPrinter.jobState == "offline")
+                {
+                    return false; //Printer is in a state where it can't react to pre-heating.
+                }
+                return true;
+            }
+            border.width: UM.Theme.getSize("default_lining").width
+            border.color: !enabled ? UM.Theme.getColor("setting_control_disabled_border") : preheatTemperatureInputMouseArea.containsMouse ? UM.Theme.getColor("setting_control_border_highlight") : UM.Theme.getColor("setting_control_border")
+            anchors.left: parent.left
+            anchors.leftMargin: UM.Theme.getSize("default_margin").width
+            anchors.bottom: parent.bottom
+            anchors.bottomMargin: UM.Theme.getSize("default_margin").height
+            width: Math.floor(UM.Theme.getSize("setting_control").width * 0.75)
+            height: UM.Theme.getSize("setting_control").height
+            visible: extruderModel != null ? extruderModel.canPreHeatExtruders: true
+            Rectangle //Highlight of input field.
+            {
+                anchors.fill: parent
+                anchors.margins: UM.Theme.getSize("default_lining").width
+                color: UM.Theme.getColor("setting_control_highlight")
+                opacity: preheatTemperatureControl.hovered ? 1.0 : 0
+            }
+            MouseArea //Change cursor on hovering.
+            {
+                id: preheatTemperatureInputMouseArea
+                hoverEnabled: true
+                anchors.fill: parent
+                cursorShape: Qt.IBeamCursor
+
+                onHoveredChanged:
+                {
+                    if (containsMouse)
+                    {
+                        base.showTooltip(
+                            base,
+                            {x: 0, y: preheatTemperatureInputMouseArea.mapToItem(base, 0, 0).y},
+                            catalog.i18nc("@tooltip of temperature input", "The temperature to pre-heat the extruder to.")
+                        );
+                    }
+                    else
+                    {
+                        base.hideTooltip();
+                    }
+                }
+            }
+            TextInput
+            {
+                id: preheatTemperatureInput
+                font: UM.Theme.getFont("default")
+                color: !enabled ? UM.Theme.getColor("setting_control_disabled_text") : UM.Theme.getColor("setting_control_text")
+                selectByMouse: true
+                maximumLength: 5
+                enabled: parent.enabled
+                validator: RegExpValidator { regExp: /^-?[0-9]{0,9}[.,]?[0-9]{0,10}$/ } //Floating point regex.
+                anchors.left: parent.left
+                anchors.leftMargin: UM.Theme.getSize("setting_unit_margin").width
+                anchors.right: parent.right
+                anchors.verticalCenter: parent.verticalCenter
+                renderType: Text.NativeRendering
+
+                Component.onCompleted:
+                {
+                    if (!extruderTemperature.properties.value)
+                    {
+                        text = "";
+                    }
+                    else
+                    {
+                        text = extruderTemperature.properties.value;
+                    }
+                }
+            }
+        }
+
+        Button //The pre-heat button.
+        {
+            id: preheatButton
+            height: UM.Theme.getSize("setting_control").height
+            visible: extruderModel != null ? extruderModel.canPreHeatExtruders: true
+            enabled:
+            {
+                if (!preheatTemperatureControl.enabled)
+                {
+                    return false; //Not connected, not authenticated or printer is busy.
+                }
+                if (extruderModel.isPreheating)
+                {
+                    return true;
+                }
+                if (extruderTemperature.properties.minimum_value != "None" && Math.floor(preheatTemperatureInput.text) < Math.floor(extruderTemperature.properties.minimum_value))
+                {
+                    return false; //Target temperature too low.
+                }
+                if (extruderTemperature.properties.maximum_value != "None" && Math.floor(preheatTemperatureInput.text) > Math.floor(extruderTemperature.properties.maximum_value))
+                {
+                    return false; //Target temperature too high.
+                }
+                if (Math.floor(preheatTemperatureInput.text) == 0)
+                {
+                    return false; //Setting the temperature to 0 is not allowed (since that cancels the pre-heating).
+                }
+                return true; //Preconditions are met.
+            }
+            anchors.right: parent.right
+            anchors.bottom: parent.bottom
+            anchors.margins: UM.Theme.getSize("default_margin").width
+            style: ButtonStyle {
+                background: Rectangle
+                {
+                    border.width: UM.Theme.getSize("default_lining").width
+                    implicitWidth: actualLabel.contentWidth + (UM.Theme.getSize("default_margin").width * 2)
+                    border.color:
+                    {
+                        if(!control.enabled)
+                        {
+                            return UM.Theme.getColor("action_button_disabled_border");
+                        }
+                        else if(control.pressed)
+                        {
+                            return UM.Theme.getColor("action_button_active_border");
+                        }
+                        else if(control.hovered)
+                        {
+                            return UM.Theme.getColor("action_button_hovered_border");
+                        }
+                        else
+                        {
+                            return UM.Theme.getColor("action_button_border");
+                        }
+                    }
+                    color:
+                    {
+                        if(!control.enabled)
+                        {
+                            return UM.Theme.getColor("action_button_disabled");
+                        }
+                        else if(control.pressed)
+                        {
+                            return UM.Theme.getColor("action_button_active");
+                        }
+                        else if(control.hovered)
+                        {
+                            return UM.Theme.getColor("action_button_hovered");
+                        }
+                        else
+                        {
+                            return UM.Theme.getColor("action_button");
+                        }
+                    }
+                    Behavior on color
+                    {
+                        ColorAnimation
+                        {
+                            duration: 50
+                        }
+                    }
+
+                    Label
+                    {
+                        id: actualLabel
+                        anchors.centerIn: parent
+                        color:
+                        {
+                            if(!control.enabled)
+                            {
+                                return UM.Theme.getColor("action_button_disabled_text");
+                            }
+                            else if(control.pressed)
+                            {
+                                return UM.Theme.getColor("action_button_active_text");
+                            }
+                            else if(control.hovered)
+                            {
+                                return UM.Theme.getColor("action_button_hovered_text");
+                            }
+                            else
+                            {
+                                return UM.Theme.getColor("action_button_text");
+                            }
+                        }
+                        font: UM.Theme.getFont("action_button")
+                        text:
+                        {
+                            if(extruderModel == null)
+                            {
+                                return ""
+                            }
+                            if(extruderModel.isPreheating )
+                            {
+                                return catalog.i18nc("@button Cancel pre-heating", "Cancel")
+                            } else
+                            {
+                                return catalog.i18nc("@button", "Pre-heat")
+                            }
+                        }
+                    }
+                }
+            }
+
+            onClicked:
+            {
+                if (!extruderModel.isPreheating)
+                {
+                    extruderModel.preheatExtruder(preheatTemperatureInput.text, 900);
+                }
+                else
+                {
+                    extruderModel.cancelPreheatExtruder();
+                }
+            }
+
+            onHoveredChanged:
+            {
+                if (hovered)
+                {
+                    base.showTooltip(
+                        base,
+                        {x: 0, y: preheatButton.mapToItem(base, 0, 0).y},
+                        catalog.i18nc("@tooltip of pre-heat", "Heat the extruder in advance before printing. You can continue adjusting your print while it is heating, and you won't have to wait for the extruder to heat up when you're ready to print.")
+                    );
+                }
+                else
+                {
+                    base.hideTooltip();
+                }
+            }
+        }
+
         Rectangle //Material colour indication.
         {
             id: materialColor