CAM: Fix: Tools without icon now display the thumbnail from the FCStd file

src/Mod/CAM/Path/Tool/shape/models/base.py

@@ -714,11 +714,6 @@ class ToolBitShape(Asset):
         self.icon = cast(
             ToolBitShapeIcon, cam_assets.get_or_none(f"toolbitshapesvg://{self.id}.svg")
         )
-        if self.icon:
-            return self.icon
-        self.icon = cast(
-            ToolBitShapeIcon, cam_assets.get_or_none(f"toolbitshapesvg://{self.name.lower()}.svg")
-        )
         if self.icon:
             return self.icon
 
@@ -726,11 +721,6 @@ class ToolBitShape(Asset):
         self.icon = cast(
             ToolBitShapeIcon, cam_assets.get_or_none(f"toolbitshapepng://{self.id}.png")
         )
-        if self.icon:
-            return self.icon
-        self.icon = cast(
-            ToolBitShapeIcon, cam_assets.get_or_none(f"toolbitshapepng://{self.name.lower()}.png")
-        )
         if self.icon:
             return self.icon
         return None

src/Mod/CAM/Path/Tool/shape/ui/shapebutton.py

@@ -20,6 +20,7 @@
 # *                                                                         *
 # ***************************************************************************
 from PySide import QtGui, QtCore
+from .shapewidget import ShapeWidget
 
 
 class ShapeButton(QtGui.QToolButton):
@@ -27,10 +28,6 @@ class ShapeButton(QtGui.QToolButton):
         super(ShapeButton, self).__init__(parent)
         self.shape = shape
 
-        # Remove default text handling and use a custom layout
-        # self.setToolButtonStyle(QtCore.Qt.ToolButtonTextUnderIcon)
-        # self.setText(f"{shape.label}\n{shape.id}")
-
         self.vbox = QtGui.QVBoxLayout(self)
         self.vbox.setAlignment(
             QtCore.Qt.AlignHCenter | QtCore.Qt.AlignVCenter
@@ -38,8 +35,7 @@ class ShapeButton(QtGui.QToolButton):
         self.vbox.setContentsMargins(0, 0, 0, 0)
         self.vbox.setSpacing(0)
 
-        self.icon_widget = QtGui.QLabel()
-        self.icon_widget.setAlignment(QtCore.Qt.AlignHCenter | QtCore.Qt.AlignVCenter)
+        self.icon_widget = ShapeWidget(self.shape, QtCore.QSize(71, 70))
 
         self.label_widget = QtGui.QLabel(shape.label)
         self.label_widget.setAlignment(QtCore.Qt.AlignHCenter | QtCore.Qt.AlignVCenter)
@@ -60,22 +56,7 @@ class ShapeButton(QtGui.QToolButton):
 
         self.setFixedSize(128, 128)
         self.setBaseSize(128, 128)
-        # Adjust icon size to make space for text.
-        # Total height is 128. Let's allocate 70 for icon, 25 for label, 25 for ID.
-        self.icon_size = QtCore.QSize(71, 70)
-        # self.setIconSize(self.icon_size) # Removed as custom layout handles sizing
-
-        self._update_icon()
 
     def set_text(self, text):
         # Update the text of the label widget
         self.label_widget.setText(text)
-
-    def _update_icon(self):
-        icon = self.shape.get_icon()
-        if icon:
-            # Set the pixmap on the icon_widget QLabel
-            pixmap = icon.get_qpixmap(self.icon_size)
-            self.icon_widget.setPixmap(pixmap)
-        else:
-            self.icon_widget.clear()  # Clear pixmap if no icon

src/Mod/CAM/Path/Tool/shape/ui/shapewidget.py

@@ -19,18 +19,32 @@
 # *   USA                                                                   *
 # *                                                                         *
 # ***************************************************************************
+from typing import Optional
 from PySide import QtGui, QtCore
 
 
+def _png2qpixmap(data, icon_size):
+    pixmap = QtGui.QPixmap()
+    pixmap.loadFromData(data, "PNG")
+    # Scale the pixmap if the requested size is different
+    if pixmap.size() != icon_size:
+        pixmap = pixmap.scaled(
+            icon_size,
+            QtCore.Qt.KeepAspectRatio,
+            QtCore.Qt.SmoothTransformation,
+        )
+    return pixmap
+
+
 class ShapeWidget(QtGui.QWidget):
-    def __init__(self, shape, parent=None):
+    def __init__(self, shape, icon_size: Optional[QtCore.QSize] = None, parent=None):
         super(ShapeWidget, self).__init__(parent)
         self.layout = QtGui.QVBoxLayout(self)
         self.layout.setAlignment(QtCore.Qt.AlignHCenter)
 
         self.shape = shape
         ratio = self.devicePixelRatioF()
-        self.icon_size = QtCore.QSize(200 * ratio, 235 * ratio)
+        self.icon_size = icon_size or QtCore.QSize(200 * ratio, 235 * ratio)
         self.icon_widget = QtGui.QLabel()
         self.layout.addWidget(self.icon_widget)
 
@@ -41,3 +55,14 @@ class ShapeWidget(QtGui.QWidget):
         if icon:
             pixmap = icon.get_qpixmap(self.icon_size)
             self.icon_widget.setPixmap(pixmap)
+            return
+
+        thumbnail = self.shape.get_thumbnail()
+        if thumbnail:
+            ratio = self.devicePixelRatioF()
+            size = self.icon_size * ratio
+            pixmap = _png2qpixmap(thumbnail, size)
+            self.icon_widget.setPixmap(pixmap)
+            return
+
+        self.icon_widget.clear()  # Clear pixmap if no icon