2027 adjustable ROI

docs/release_notes/next/feature-2027-Spectrum-ROI-Adjustable

@@ -0,0 +1 @@
+#2027: The Spectrum ROI details display in an adjustable table via spinboxes

mantidimaging/gui/ui/spectrum_viewer.ui

@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>921</width>
-    <height>739</height>
+    <width>905</width>
+    <height>752</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -351,17 +351,54 @@
          </widget>
         </item>
         <item>
-         <spacer name="verticalSpacer">
+         <widget class="QGroupBox" name="roiPropertiesGroupBox">
+          <property name="sizePolicy">
+           <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+            <horstretch>0</horstretch>
+            <verstretch>0</verstretch>
+           </sizepolicy>
+          </property>
+          <property name="maximumSize">
+           <size>
+            <width>16777215</width>
+            <height>200</height>
+           </size>
+          </property>
+          <property name="title">
+           <string>ROI Properties</string>
+          </property>
+          <layout class="QVBoxLayout" name="verticalLayout_7">
+           <item>
+            <widget class="QTableWidget" name="roiPropertiesTableWidget">
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="Expanding" vsizetype="Expanding">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
+             <property name="maximumSize">
+              <size>
+               <width>16777215</width>
+               <height>200</height>
+              </size>
+             </property>
+             <property name="sizeAdjustPolicy">
+              <enum>QAbstractScrollArea::AdjustToContentsOnFirstShow</enum>
+             </property>
+            </widget>
+           </item>
+          </layout>
+         </widget>
+        </item>
+        <item>
+         <spacer name="PropertiesSpacer">
           <property name="orientation">
            <enum>Qt::Vertical</enum>
           </property>
-          <property name="sizeType">
-           <enum>QSizePolicy::MinimumExpanding</enum>
-          </property>
           <property name="sizeHint" stdset="0">
            <size>
             <width>20</width>
-            <height>20</height>
+            <height>40</height>
            </size>
           </property>
          </spacer>

mantidimaging/gui/windows/spectrum_viewer/presenter.py

@@ -133,6 +133,10 @@ def handle_roi_moved(self, force_new_spectrums: bool = False) -> None:
                 self.model.set_roi(name, roi)
                 self.view.set_spectrum(name, self.model.get_spectrum(name, self.spectrum_mode))
 
+    def handle_roi_clicked(self, roi) -> None:
+        self.view.current_roi = roi.name
+        self.view.set_roi_properties()
+
     def redraw_spectrum(self, name: str) -> None:
         """
         Redraw the spectrum with the given name

mantidimaging/gui/windows/spectrum_viewer/spectrum_widget.py

@@ -40,6 +40,7 @@ def __init__(self, name: str, sensible_roi: SensibleROI, *args, **kwargs):
         self.addScaleHandle([0, 0], [1, 1])
         self.addScaleHandle([0, 1], [1, 0])
         self._selected_row = None
+        self.roi.setAcceptedMouseButtons(Qt.MouseButton.LeftButton)
 
         self.menu = QMenu()
         change_color_action = QAction("Change ROI Colour", self)
@@ -82,6 +83,10 @@ def colour(self, colour: tuple[int, int, int, int]) -> None:
     def selected_row(self) -> Optional[int]:
         return self._selected_row
 
+    def adjust_spec_roi(self, roi: SensibleROI) -> None:
+        self.setPos((roi.left, roi.top))
+        self.setSize((roi.width, roi.height))
+
 
 class SpectrumWidget(QWidget):
     """
@@ -91,6 +96,13 @@ class SpectrumWidget(QWidget):
     """
     image: MIMiniImageView
     spectrum: PlotItem
+
+    range_control: LinearRegionItem
+    roi_dict: dict[Optional[str], ROI]
+    last_clicked_roi: str
+
+    range_changed = pyqtSignal(object)
+    roi_clicked = pyqtSignal(object)
     roi_changed = pyqtSignal()
     roiColorChangeRequested = pyqtSignal(str, tuple)
 
@@ -160,8 +172,9 @@ def set_roi_visibility_flags(self, name: str, visible: bool) -> None:
         for handle in handles:
             handle.setVisible(visible)
         self.roi_dict[name].setVisible(visible)
-        self.roi_dict[name].setAcceptedMouseButtons(Qt.NoButton)
+        self.roi_dict[name].setAcceptedMouseButtons(Qt.MouseButton.LeftButton)
         self.roi_dict[name].sigRegionChanged.connect(self.roi_changed.emit)
+        self.roi_dict[name].sigClicked.connect(self.roi_clicked.emit)
 
     def set_roi_alpha(self, name: str, alpha: float) -> None:
         """
@@ -190,9 +203,18 @@ def add_roi(self, roi: SensibleROI, name: str) -> None:
         self.roi_dict[name] = roi_object.roi
         self.max_roi_size = roi_object.size()
         self.roi_dict[name].sigRegionChanged.connect(self.roi_changed.emit)
+        self.roi_dict[name].sigClicked.connect(self.roi_clicked.emit)
         self.image.vb.addItem(self.roi_dict[name])
         self.roi_dict[name].hoverPen = mkPen(self.roi_dict[name].colour, width=3)
 
+    def adjust_roi(self, new_roi: SensibleROI, roi_name: str):
+        """
+        Adjust the existing ROI with the given name.
+        @param new_roi: The new SpectrumROI to replace the existing SpectrumROI
+        @param roi_name: The name of the existing ROI.
+        """
+        self.roi_dict[roi_name].adjust_spec_roi(new_roi)
+
     def get_roi(self, roi_name: str) -> SensibleROI:
         """
         Get the ROI with the given name. If no name is given, the default ROI is returned.

mantidimaging/gui/windows/spectrum_viewer/view.py

@@ -7,7 +7,8 @@
 
 from PyQt5.QtGui import QPixmap
 from PyQt5.QtWidgets import QCheckBox, QVBoxLayout, QFileDialog, QPushButton, QLabel, QAbstractItemView, QHeaderView, \
-    QTabWidget, QComboBox, QSpinBox
+    QTabWidget, QComboBox, QSpinBox, QTableWidget, QTableWidgetItem, QGroupBox
+from PyQt5.QtCore import QSignalBlocker, Qt
 
 from mantidimaging.core.utility import finder
 from mantidimaging.gui.mvp_base import BaseMainWindowView
@@ -17,6 +18,7 @@
 from mantidimaging.gui.widgets import RemovableRowTableView
 from .spectrum_widget import SpectrumWidget
 from mantidimaging.gui.windows.spectrum_viewer.roi_table_model import TableModel
+from mantidimaging.core.utility.sensible_roi import SensibleROI
 
 import numpy as np
 
@@ -42,6 +44,11 @@ class SpectrumViewerWindowView(BaseMainWindowView):
     bin_size_spinBox: QSpinBox
     bin_step_spinBox: QSpinBox
 
+    roiPropertiesTableWidget: QTableWidget
+    roiPropertiesGroupBox: QGroupBox
+
+    last_clicked_roi: str
+
     spectrum_widget: SpectrumWidget
 
     def __init__(self, main_window: 'MainWindowView'):
@@ -64,6 +71,8 @@ def __init__(self, main_window: 'MainWindowView'):
         self.imageLayout.addWidget(self.spectrum_widget)
 
         self.spectrum.range_changed.connect(self.presenter.handle_range_slide_moved)
+
+        self.spectrum_widget.roi_clicked.connect(self.presenter.handle_roi_clicked)
         self.spectrum_widget.roi_changed.connect(self.presenter.handle_roi_moved)
         self.spectrum_widget.roiColorChangeRequested.connect(self.presenter.change_roi_colour)
 
@@ -98,7 +107,55 @@ def __init__(self, main_window: 'MainWindowView'):
         self.tableView.setSelectionMode(QAbstractItemView.SingleSelection)
         self.tableView.setAlternatingRowColors(True)
 
+        # Roi Prop table
+        self.roi_table_properties = ["Top", "Bottom", "Left", "Right"]
+        self.roi_table_properties_secondary = ["Width", "Height"]
+        self.roiPropertiesTableWidget.setColumnCount(3)
+        self.roiPropertiesTableWidget.setRowCount(3)
+        self.roiPropertiesTableWidget.setColumnWidth(0, 80)
+        self.roiPropertiesTableWidget.setColumnWidth(1, 50)
+        self.roiPropertiesTableWidget.setColumnWidth(2, 50)
+
+        self.roiPropertiesSpinBoxes = {}
+        self.roiPropertiesLabels = {}
+        for prop in self.roi_table_properties:
+            spin_box = QSpinBox()
+            if prop == "Top" or prop == "Bottom":
+                spin_box.setMaximum(self.spectrum_widget.image.image_data.shape[0])
+            if prop == "Left" or prop == "Right":
+                spin_box.setMaximum(self.spectrum_widget.image.image_data.shape[1])
+            spin_box.valueChanged.connect(self.adjust_roi)
+            self.roiPropertiesSpinBoxes[prop] = spin_box
+        for prop in self.roi_table_properties_secondary:
+            label = QLabel()
+            self.roiPropertiesLabels[prop] = label
+
+        self.roiPropertiesTableWidget.horizontalHeader().hide()
+        self.roiPropertiesTableWidget.verticalHeader().hide()
+        self.roiPropertiesTableWidget.setShowGrid(False)
+
+        roiPropertiesTableText = ["x1, x2", "y1, y2", "Width, Height"]
+        self.roiPropertiesTableTextDict = {}
+        for text in roiPropertiesTableText:
+            item = QTableWidgetItem(text)
+            item.setFlags(Qt.ItemIsSelectable)
+            self.roiPropertiesTableTextDict[text] = item
+
+        self.roiPropertiesTableWidget.setItem(0, 0, self.roiPropertiesTableTextDict["x1, x2"])
+        self.roiPropertiesTableWidget.setCellWidget(0, 1, self.roiPropertiesSpinBoxes["Left"])
+        self.roiPropertiesTableWidget.setCellWidget(0, 2, self.roiPropertiesSpinBoxes["Right"])
+        self.roiPropertiesTableWidget.setItem(1, 0, self.roiPropertiesTableTextDict["y1, y2"])
+        self.roiPropertiesTableWidget.setCellWidget(1, 1, self.roiPropertiesSpinBoxes["Top"])
+        self.roiPropertiesTableWidget.setCellWidget(1, 2, self.roiPropertiesSpinBoxes["Bottom"])
+        self.roiPropertiesTableWidget.setItem(2, 0, self.roiPropertiesTableTextDict["Width, Height"])
+        self.roiPropertiesTableWidget.setCellWidget(2, 1, self.roiPropertiesLabels["Width"])
+        self.roiPropertiesTableWidget.setCellWidget(2, 2, self.roiPropertiesLabels["Height"])
+
+        self.spectrum_widget.roi_changed.connect(self.set_roi_properties)
+
         _ = self.roi_table_model  # Initialise model
+        self.current_roi = self.roi_table_model.roi_names()[0]
+        self.set_roi_properties()
 
         def on_row_change(item, _) -> None:
             """
@@ -110,6 +167,7 @@ def on_row_change(item, _) -> None:
             selected_row_data = self.roi_table_model.row_data(item.row())
             self.selected_row = item.row()
             self.current_roi = selected_row_data[0]
+            self.set_roi_properties()
 
         self.tableView.selectionModel().currentRowChanged.connect(on_row_change)
 
@@ -156,6 +214,8 @@ def on_visibility_change(self) -> None:
         When the visibility of an ROI is changed, update the visibility of the ROI in the spectrum widget
         """
         if self.presenter.export_mode == ExportMode.ROI_MODE:
+            self.current_roi = self.last_clicked_roi
+            self.set_roi_properties()
             for roi_name, _, roi_visible in self.roi_table_model:
                 if roi_visible is False:
                     self.set_roi_alpha(0, roi_name)
@@ -169,6 +229,9 @@ def on_visibility_change(self) -> None:
         if self.presenter.export_mode == ExportMode.IMAGE_MODE:
             self.set_roi_alpha(255, ROI_RITS)
             self.presenter.redraw_spectrum(ROI_RITS)
+            self.last_clicked_roi = self.current_roi
+            self.current_roi = ROI_RITS
+            self.set_roi_properties()
         else:
             self.set_roi_alpha(0, ROI_RITS)
 
@@ -371,3 +434,28 @@ def set_binning_visibility(self) -> None:
         self.bin_size_spinBox.setHidden(hide_binning)
         self.bin_step_label.setHidden(hide_binning)
         self.bin_step_spinBox.setHidden(hide_binning)
+
+    def set_roi_properties(self) -> None:
+        current_roi = self.presenter.model.get_roi(self.current_roi)
+        self.roiPropertiesGroupBox.setTitle(f"Roi Properties: {self.current_roi}")
+        roi_iter_order = ["Left", "Top", "Right", "Bottom"]
+        for row, pos in enumerate(current_roi):
+            with QSignalBlocker(self.roiPropertiesSpinBoxes[roi_iter_order[row]]):
+                self.roiPropertiesSpinBoxes[roi_iter_order[row]].setValue(pos)
+        self.set_roi_spinbox_ranges()
+        self.presenter.redraw_spectrum(self.current_roi)
+        self.roiPropertiesLabels["Width"].setText(str(current_roi.width))
+        self.roiPropertiesLabels["Height"].setText(str(current_roi.height))
+
+    def adjust_roi(self) -> None:
+        roi_iter_order = ["Left", "Top", "Right", "Bottom"]
+        new_points = [self.roiPropertiesSpinBoxes[prop].value() for prop in roi_iter_order]
+        new_roi = SensibleROI().from_list(new_points)
+        self.presenter.model.set_roi(self.current_roi, new_roi)
+        self.spectrum_widget.adjust_roi(new_roi, self.current_roi)
+
+    def set_roi_spinbox_ranges(self):
+        self.roiPropertiesSpinBoxes["Left"].setMaximum(self.roiPropertiesSpinBoxes["Right"].value() - 1)
+        self.roiPropertiesSpinBoxes["Right"].setMinimum(self.roiPropertiesSpinBoxes["Left"].value() + 1)
+        self.roiPropertiesSpinBoxes["Top"].setMaximum(self.roiPropertiesSpinBoxes["Bottom"].value() - 1)
+        self.roiPropertiesSpinBoxes["Bottom"].setMinimum(self.roiPropertiesSpinBoxes["Top"].value() + 1)