Revert the addition of tooltips to most SecureQLabel occurrences

Tooltips are only needed in the conversation view for long filenames
that get truncated.

securedrop_client/gui/__init__.py

@@ -154,7 +154,7 @@ def __init__(
         flags: Union[Qt.WindowFlags, Qt.WindowType] = Qt.WindowFlags(),
         wordwrap: bool = True,
         max_length: int = 0,
-        with_tooltip: bool = True,
+        with_tooltip: bool = False,
     ):
         super().__init__(parent, flags)
         self.wordwrap = wordwrap
@@ -166,11 +166,11 @@ def __init__(
 
     def setText(self, text: str) -> None:
         self.setTextFormat(Qt.PlainText)
-        if self.with_tooltip:
-            tooltip_label = SecureQLabel(text, with_tooltip=False)
-            self.setToolTip(tooltip_label.text())
         elided_text = self.get_elided_text(text)
         self.elided = True if elided_text != text else False
+        if self.elided and self.with_tooltip:
+            tooltip_label = SecureQLabel(text)
+            self.setToolTip(tooltip_label.text())
         super().setText(elided_text)
 
     def get_elided_text(self, full_text: str) -> str:

securedrop_client/gui/widgets.py

@@ -1175,7 +1175,7 @@ def __init__(self, controller: Controller, source: Source):
         summary_layout.setSpacing(0)
         self.name = QLabel()
         self.name.setObjectName('source_name')
-        self.preview = SecureQLabel(max_length=self.PREVIEW_WIDTH, with_tooltip=False)
+        self.preview = SecureQLabel(max_length=self.PREVIEW_WIDTH)
         self.preview.setObjectName('preview')
         self.preview.setFixedSize(QSize(self.PREVIEW_WIDTH, self.PREVIEW_HEIGHT))
         self.waiting_delete_confirmation = QLabel('Deletion in progress')
@@ -2248,7 +2248,9 @@ def __init__(
         self.export_button.clicked.connect(self._on_export_clicked)
         self.print_button.clicked.connect(self._on_print_clicked)
 
-        self.file_name = SecureQLabel(wordwrap=False, max_length=self.FILENAME_WIDTH_PX)
+        self.file_name = SecureQLabel(
+            wordwrap=False, max_length=self.FILENAME_WIDTH_PX, with_tooltip=True
+        )
         self.file_name.setObjectName('file_name')
         self.file_name.installEventFilter(self)
         self.file_name.setCursor(QCursor(Qt.PointingHandCursor))

tests/gui/test_widgets.py

@@ -2373,6 +2373,29 @@ def test_FileWidget_on_file_download_updates_items_when_uuid_matches(mocker, sou
     assert not fw.file_name.isHidden()
 
 
+def test_FileWidget_filename_truncation(mocker, source, session):
+    """
+    FileWidget should truncate long filenames.
+
+    The full filename should be available in the tooltip.
+    """
+    filename = "1-{}".format("x" * 1000)
+    file = factory.File(source=source['source'], filename=filename)
+    session.add(file)
+    session.commit()
+
+    get_file = mocker.MagicMock(return_value=file)
+    controller = mocker.MagicMock(get_file=get_file)
+
+    fw = FileWidget(file.uuid, controller, mocker.MagicMock(), mocker.MagicMock(), 0)
+    fw.update = mocker.MagicMock()
+
+    fw._on_file_downloaded(file.source.uuid, file.uuid, str(file))
+
+    assert fw.file_name.text().endswith("...")
+    assert fw.file_name.toolTip() == filename
+
+
 def test_FileWidget_on_file_download_updates_items_when_uuid_does_not_match(
     mocker, homedir, session, source,
 ):