Remove generated stylesheets again

We can just use jinja logic instead...

qutebrowser/config/style.py

@@ -46,7 +46,7 @@ def get_stylesheet(template_str):
                            config=objreg.get('config'))
 
 
-def set_register_stylesheet(obj, *, generator=None):
+def set_register_stylesheet(obj):
     """Set the stylesheet for an object based on it's STYLESHEET attribute.
 
     Also, register an update when the config is changed.
@@ -54,23 +54,20 @@ def set_register_stylesheet(obj, *, generator=None):
     Args:
         obj: The object to set the stylesheet for and register.
              Must have a STYLESHEET attribute.
-        generator: If set, call the given function to dynamically generate a
-                   stylesheet instead.
     """
-    stylesheet = generator() if generator is not None else obj.STYLESHEET
-    qss = get_stylesheet(stylesheet)
+    qss = get_stylesheet(obj.STYLESHEET)
     log.config.vdebug("stylesheet for {}: {}".format(
         obj.__class__.__name__, qss))
     obj.setStyleSheet(qss)
     objreg.get('config').changed.connect(
-        functools.partial(_update_stylesheet, obj, generator=generator))
+        functools.partial(_update_stylesheet, obj))
 
 
-def _update_stylesheet(obj, *, generator):
+def _update_stylesheet(obj):
     """Update the stylesheet for obj."""
+    get_stylesheet.cache_clear()
     if not sip.isdeleted(obj):
-        stylesheet = generator() if generator is not None else obj.STYLESHEET
-        obj.setStyleSheet(get_stylesheet(stylesheet))
+        obj.setStyleSheet(get_stylesheet(obj.STYLESHEET))
 
 
 class ColorDict(collections.UserDict):

qutebrowser/mainwindow/prompt.py

@@ -77,6 +77,30 @@ class PromptContainer(QWidget):
         _win_id: The window ID this object is associated with.
     """
 
+    STYLESHEET = """
+        QWidget#Prompt {
+            {% if config.get('ui', 'status-position') == 'top' %}
+                border-bottom-left-radius: 10px;
+                border-bottom-right-radius: 10px;
+            {% else %}
+                border-top-left-radius: 10px;
+                border-top-right-radius: 10px;
+            {% endif %}
+        }
+
+        QWidget {
+            /* FIXME
+            font: {{ font['keyhint'] }};
+            FIXME
+            */
+            color: {{ color['statusbar.fg.prompt'] }};
+            background-color: {{ color['statusbar.bg.prompt'] }};
+        }
+
+        QLineEdit {
+            border: 1px solid grey;
+        }
+    """
     update_geometry = pyqtSignal()
 
     def __init__(self, win_id, parent=None):
@@ -86,8 +110,7 @@ class PromptContainer(QWidget):
         self._layout = QVBoxLayout(self)
         self._layout.setContentsMargins(10, 10, 10, 10)
         self._prompt = None
-        style.set_register_stylesheet(self,
-                                      generator=self._generate_stylesheet)
+        style.set_register_stylesheet(self)
 
         # FIXME review this
         self._shutting_down = False
@@ -99,35 +122,6 @@ class PromptContainer(QWidget):
         return utils.get_repr(self, loops=len(self._loops),
                               queue=len(self._queue), prompt=self._prompt)
 
-    def _generate_stylesheet(self):
-        """Generate a stylesheet with the right edge rounded."""
-        stylesheet = """
-            QWidget#Prompt {
-                border-POSITION-left-radius: 10px;
-                border-POSITION-right-radius: 10px;
-            }
-
-            QWidget {
-                /* FIXME
-                font: {{ font['keyhint'] }};
-                FIXME
-                */
-                color: {{ color['statusbar.fg.prompt'] }};
-                background-color: {{ color['statusbar.bg.prompt'] }};
-            }
-
-            QLineEdit {
-                border: 1px solid grey;
-            }
-        """
-        position = config.get('ui', 'status-position')
-        if position == 'top':
-            return stylesheet.replace('POSITION', 'bottom')
-        elif position == 'bottom':
-            return stylesheet.replace('POSITION', 'top')
-        else:
-            raise ValueError("Invalid position {}!".format(position))
-
     def _pop_later(self):
         """Helper to call self._pop as soon as everything else is done."""
         QTimer.singleShot(0, self._pop)

qutebrowser/misc/keyhintwidget.py

@@ -45,6 +45,19 @@ class KeyHintView(QLabel):
         update_geometry: Emitted when this widget should be resized/positioned.
     """
 
+    STYLESHEET = """
+        QLabel {
+            font: {{ font['keyhint'] }};
+            color: {{ color['keyhint.fg'] }};
+            background-color: {{ color['keyhint.bg'] }};
+            padding: 6px;
+            {% if config.get('ui', 'status-position') == 'top' %}
+                border-bottom-right-radius: 6px;
+            {% else %}
+                border-top-right-radius: 6px;
+            {% endif %}
+        }
+    """
     update_geometry = pyqtSignal()
 
     def __init__(self, win_id, parent=None):
@@ -56,8 +69,7 @@ class KeyHintView(QLabel):
         self._show_timer = usertypes.Timer(self, 'keyhint_show')
         self._show_timer.setInterval(500)
         self._show_timer.timeout.connect(self.show)
-        style.set_register_stylesheet(self,
-                                      generator=self._generate_stylesheet)
+        style.set_register_stylesheet(self)
 
     def __repr__(self):
         return utils.get_repr(self, win_id=self._win_id)
@@ -67,22 +79,6 @@ class KeyHintView(QLabel):
         self.update_geometry.emit()
         super().showEvent(e)
 
-    def _generate_stylesheet(self):
-        """Generate a stylesheet with the right edge rounded."""
-        stylesheet = """
-            QLabel {
-                font: {{ font['keyhint'] }};
-                color: {{ color['keyhint.fg'] }};
-                background-color: {{ color['keyhint.bg'] }};
-                padding: 6px;
-                border-EDGE-radius: 6px;
-            }
-        """
-        if config.get('ui', 'status-position') == 'top':
-            return stylesheet.replace('EDGE', 'bottom-right')
-        else:
-            return stylesheet.replace('EDGE', 'top-right')
-
     @pyqtSlot(str)
     def update_keyhint(self, modename, prefix):
         """Show hints for the given prefix (or hide if prefix is empty).

tests/unit/config/test_style.py

@@ -59,24 +59,6 @@ class Obj(QObject):
         self.rendered_stylesheet = stylesheet
 
 
-class GeneratedObj(QObject):
-
-    def __init__(self, parent=None):
-        super().__init__(parent)
-        self.rendered_stylesheet = None
-        self._generated = False
-
-    def setStyleSheet(self, stylesheet):
-        self.rendered_stylesheet = stylesheet
-
-    def generate(self):
-        if not self._generated:
-            self._generated = True
-            return 'one'
-        else:
-            return 'two'
-
-
 @pytest.mark.parametrize('delete', [True, False])
 def test_set_register_stylesheet(delete, qtbot, config_stub, caplog):
     config_stub.data = {'fonts': {'foo': 'bar'}, 'colors': {}}
@@ -105,15 +87,6 @@ def test_set_register_stylesheet(delete, qtbot, config_stub, caplog):
     assert obj.rendered_stylesheet == expected
 
 
-def test_set_register_stylesheet_generator(qtbot, config_stub):
-    config_stub.data = {'fonts': {}, 'colors': {}}
-    obj = GeneratedObj()
-    style.set_register_stylesheet(obj, generator=obj.generate)
-    assert obj.rendered_stylesheet == 'one'
-    config_stub.changed.emit('foo', 'bar')
-    assert obj.rendered_stylesheet == 'two'
-
-
 class TestColorDict:
 
     @pytest.mark.parametrize('key, expected', [