Add an optional disclaimer message widget related with 3rd party nature of the plugins

napari_plugin_manager/_tests/test_qt_plugin_dialog.py

@@ -561,3 +561,10 @@ def test_shortcut_quit(plugin_dialog, qtbot):
     )
     qtbot.wait(200)
     assert not plugin_dialog.isVisible()
+
+
+def test_disclaimer_widget(plugin_dialog, qtbot):
+    assert not plugin_dialog.disclaimer_widget.isVisible()
+    plugin_dialog._show_disclaimer = True
+    plugin_dialog.exec_()
+    assert plugin_dialog.disclaimer_widget.isVisible()

napari_plugin_manager/qt_plugin_dialog.py

@@ -54,7 +54,7 @@
     InstallerTools,
     ProcessFinishedData,
 )
-from napari_plugin_manager.qt_widgets import ClickableLabel
+from napari_plugin_manager.qt_widgets import ClickableLabel, DisclaimerWidget
 from napari_plugin_manager.utils import is_conda_package
 
 # Scaling factor for each list widget item when expanding.
@@ -848,7 +848,9 @@ def filter(self, text: str, starts_with_chars: int = 1):
 
 
 class QtPluginDialog(QDialog):
-    def __init__(self, parent=None, prefix=None) -> None:
+    def __init__(
+        self, parent=None, prefix=None, show_disclaimer=False
+    ) -> None:
         super().__init__(parent)
 
         self._parent = parent
@@ -862,6 +864,7 @@ def __init__(self, parent=None, prefix=None) -> None:
         self.available_set = set()
         self._prefix = prefix
         self._first_open = True
+        self._show_disclaimer = show_disclaimer
         self._plugin_queue = []  # Store plugin data to be added
         self._plugin_data = []  # Store all plugin data
         self._filter_texts = []
@@ -1135,7 +1138,6 @@ def _setup_ui(self):
         horizontal_mid_layout.addStretch()
         horizontal_mid_layout.addWidget(self.refresh_button)
         mid_layout.addLayout(horizontal_mid_layout)
-        # mid_layout.addWidget(self.packages_filter)
         mid_layout.addWidget(self.installed_label)
         lay.addLayout(mid_layout)
 
@@ -1150,6 +1152,12 @@ def _setup_ui(self):
         mid_layout.addWidget(self.avail_label)
         mid_layout.addStretch()
         lay.addLayout(mid_layout)
+        self.disclaimer_widget = DisclaimerWidget(
+            trans._(
+                "DISCLAIMER: Available plugin packages are user produced content. Any use of the provided files is at your own risk."
+            )
+        )
+        lay.addWidget(self.disclaimer_widget)
         self.available_list = QPluginList(uninstalled, self.installer)
         lay.addWidget(self.available_list)
 
@@ -1217,6 +1225,8 @@ def _setup_ui(self):
         self.show_status_btn.setChecked(False)
         self.show_status_btn.toggled.connect(self.toggle_status)
 
+        self.disclaimer_widget.setVisible(self._show_disclaimer)
+
         self.v_splitter.setStretchFactor(1, 2)
         self.h_splitter.setStretchFactor(0, 2)
 
@@ -1400,6 +1410,7 @@ def exec_(self):
         if plugin_dialog != self:
             self.close()
 
+        plugin_dialog.disclaimer_widget.setVisible(self._show_disclaimer)
         plugin_dialog.setModal(True)
         plugin_dialog.show()
 

napari_plugin_manager/qt_widgets.py

@@ -1,6 +1,13 @@
-from qtpy.QtCore import Signal
-from qtpy.QtGui import QMouseEvent
-from qtpy.QtWidgets import QLabel
+from qtpy.QtCore import Qt, Signal
+from qtpy.QtGui import QMouseEvent, QPainter
+from qtpy.QtWidgets import (
+    QHBoxLayout,
+    QLabel,
+    QPushButton,
+    QStyle,
+    QStyleOption,
+    QWidget,
+)
 
 
 class ClickableLabel(QLabel):
@@ -12,3 +19,35 @@ def __init__(self, parent=None):
     def mouseReleaseEvent(self, event: QMouseEvent):
         super().mouseReleaseEvent(event)
         self.clicked.emit()
+
+
+class DisclaimerWidget(QWidget):
+    def __init__(self, text, parent=None):
+        super().__init__(parent=parent)
+
+        # Setup widgets
+        disclaimer_label = QLabel(text)
+        disclaimer_label.setAlignment(Qt.AlignmentFlag.AlignCenter)
+
+        disclaimer_button = QPushButton("x")
+        disclaimer_button.setFixedSize(20, 20)
+        disclaimer_button.clicked.connect(self.hide)
+
+        # Setup layout
+        disclaimer_layout = QHBoxLayout()
+        disclaimer_layout.addWidget(disclaimer_label)
+        disclaimer_layout.addWidget(disclaimer_button)
+        self.setLayout(disclaimer_layout)
+
+    def paintEvent(self, paint_event):
+        """
+        Override so `QWidget` subclass can be affect by the stylesheet.
+
+        For details you can check: https://doc.qt.io/qt-5/stylesheet-reference.html#list-of-stylable-widgets
+        """
+        style_option = QStyleOption()
+        style_option.initFrom(self)
+        painter = QPainter(self)
+        self.style().drawPrimitive(
+            QStyle.PE_Widget, style_option, painter, self
+        )

napari_plugin_manager/styles.qss

@@ -145,6 +145,16 @@ QPushButton#refresh_button:disabled {
   font-style: italic;
 }
 
+DisclaimerWidget {
+  color: {{ opacity(text, 150) }};
+  font-size: {{ font_size }};
+  font-weight: bold;
+  background-color: {{ foreground }};
+  border: 1px solid {{ foreground }};
+  padding: 5px;
+  border-radius: 3px;
+}
+
 #plugin_manager_process_status{
   background: {{ background }};
   color: {{ opacity(text, 200) }};