Fixed webp display, added scroll functionality, cleanup

src/core/containers/image_view_scroll.py

@@ -39,6 +39,7 @@ class ImageViewScroll(Gtk.ScrolledWindow):
     def _setup_signals(self):
         self._set_up_dnd()
         self.connect("size-allocate", self._size_request_change)
+        self.connect('scroll-event', self.on_scroll)
 
     def _load_widgets(self):
         self.add(ImageView())
@@ -116,3 +117,21 @@ class ImageViewScroll(Gtk.ScrolledWindow):
         if self.size_request.width != rect.width or self.size_request.height != rect.height:
             self.size_request = rect
             GLib.idle_add(event_system.emit, *("size_allocate",))
+
+    def on_scroll(self, widget = None, event = None):
+        accel_mask = Gtk.accelerator_get_default_mod_mask()
+        direction  = event.get_scroll_deltas()[2]
+        if event.state & accel_mask == Gdk.ModifierType.CONTROL_MASK:
+            adjustment  = self.get_hadjustment()
+            current_val = adjustment.get_value()
+            step_val    = adjustment.get_step_increment()
+
+            if direction > 0: # NOTE: scroll left
+                adjustment.set_value(current_val - step_val)
+            else:             # NOTE: scroll right
+                adjustment.set_value(current_val + step_val)
+        else:
+            if direction > 0:
+                event_system.emit("zoom_out")
+            else:
+                event_system.emit("zoom_in")

src/core/controller.py

@@ -44,7 +44,7 @@ class Controller(SignalsMixins, ControllerData):
         event_system.subscribe("tggl_top_main_menubar", self._tggl_top_main_menubar)
 
     def _tggl_top_main_menubar(self):
-        print("_tggl_top_main_menubar > stub...")
+        logger.debug("_tggl_top_main_menubar > stub...")
 
     def setup_builder_and_container(self):
         self.builder     = Gtk.Builder()

src/core/widgets/image.py

@@ -61,7 +61,7 @@ class Image(Gtk.EventBox):
         pixbuf = None
 
         if PImage and path.endswith(".webp"):
-            return ImageView.image2pixbuf(path, w, h)
+            pixbuf = ImageView.image2pixbuf(path)
 
         if path.endswith(".gif"):
             pixbuf = GdkPixbuf.PixbufAnimation.new_from_file(path).get_static_image()

src/core/widgets/image_view.py

@@ -42,7 +42,6 @@ class ImageView(ImageViewMixin, Gtk.Image):
     def _setup_styling(self):
         ...
 
-
     def _setup_signals(self):
         ...
 
@@ -106,19 +105,15 @@ class ImageView(ImageViewMixin, Gtk.Image):
             self.work_pixbuff = Gtk.Image.new_from_resource(path).get_pixbuf()
 
     def set_as_webp(self, path):
-        w = settings.get_thumbnail_with()
-        h = settings.get_thumbnail_height()
-        self.work_pixbuff = self.image2pixbuf(path, w, h)
+        self.work_pixbuff = self.image2pixbuf(path)
 
     @staticmethod
-    def image2pixbuf(path, _w, _h):
+    def image2pixbuf(path):
         """Convert Pillow image to GdkPixbuf"""
         im   = PImage.open(path)
         data = im.tobytes()
         data = Bytes.new(data)
         w, h = im.size
 
-        pixbuf = GdkPixbuf.Pixbuf.new_from_bytes(data, GdkPixbuf.Colorspace.RGB,
+        return GdkPixbuf.Pixbuf.new_from_bytes(data, GdkPixbuf.Colorspace.RGB,
                                                             False, 8, w, h, w * 3)
-
-        return pixbuf.scale_simple(_w, _h, 2)  # 2 = BILINEAR and is best by default

src/core/widgets/image_view_mixin.py

@@ -23,7 +23,6 @@ class ImageViewMixin:
             self.set_from_pixbuf(self.work_pixbuff)
 
     def _rotate_left(self):
-        print("flipl")
         if self.work_pixbuff and self.pixbuff:
             self.work_pixbuff = self.work_pixbuff.rotate_simple(GdkPixbuf.PixbufRotation.COUNTERCLOCKWISE)
             self.pixbuff      = self.pixbuff.rotate_simple(GdkPixbuf.PixbufRotation.COUNTERCLOCKWISE)