Fix avatar ratio

Fixes #8907

gajim/data/gui/chat_control.ui

@@ -392,6 +392,8 @@
                         <property name="visible_window">False</property>
                         <child>
                           <object class="GtkImage" id="avatar_image">
+                            <property name="width_request">48</property>
+                            <property name="height_request">48</property>
                             <property name="visible">True</property>
                             <property name="can_focus">False</property>
                             <property name="stock">gtk-missing-image</property>

gajim/dialogs.py

@@ -3018,6 +3018,7 @@ class ContactRow(Gtk.Grid):
                     'avatar-default', Gtk.IconSize.DND)
             else:
                 image = Gtk.Image.new_from_pixbuf(avatar)
+        image.set_size_request(AvatarSize.ROSTER, AvatarSize.ROSTER)
         self.add(image)
 
         middle_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL, spacing=0)

gajim/groupchat_control.py

@@ -114,11 +114,7 @@ def avatar_cell_data_func(column, renderer, model, iter_, has_parent):
         surface = image.get_property('surface')
         renderer.set_property('surface', surface)
 
-    avatar_position = app.config.get('avatar_position_in_roster')
+    renderer.set_property('xalign', 0.5)
-    if avatar_position == 'right':
-        renderer.set_property('xalign', 1)
-    else:
-        renderer.set_property('xalign', 0.5)
     if has_parent:
         renderer.set_property('visible', True)
         renderer.set_property('width', AvatarSize.ROSTER)

gajim/gtkgui_helpers.py

@@ -437,6 +437,16 @@ def get_possible_button_event(event):
 def destroy_widget(widget):
     widget.destroy()
 
+def scale_with_ratio(size, width, height):
+    if height == width:
+        return size, size
+    if height > width:
+        ratio = height / float(width)
+        return int(size / ratio), size 
+    else:
+        ratio = width / float(height)
+        return size, int(size / ratio)
+
 def on_avatar_save_as_menuitem_activate(widget, avatar, default_name=''):
     def on_continue(response, file_path):
         if response < 0:

gajim/gui_interface.py

@@ -2483,7 +2483,7 @@ class Interface:
         try:
             if size is not None:
                 pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_scale(
-                    path, size, size, False)
+                    path, size, size, True)
             else:
                 pixbuf = GdkPixbuf.Pixbuf.new_from_file(path)
         except GLib.GError as error:
@@ -2504,8 +2504,10 @@ class Interface:
                 array, GdkPixbuf.Colorspace.RGB, True,
                 8, width, height, width * 4)
             if size:
+                width, height = gtkgui_helpers.scale_with_ratio(
+                    size, width, height)
                 pixbuf = pixbuf.scale_simple(
-                    size, size, GdkPixbuf.InterpType.BILINEAR)
+                    width, height, GdkPixbuf.InterpType.BILINEAR)
 
         if filename not in app.avatar_cache:
             app.avatar_cache[filename] = {}

gajim/roster_window.py

@@ -4864,11 +4864,8 @@ class RosterWindow:
         app.config.get('avatar_position_in_roster') != 'left':
             renderer.set_property('visible', False)
 
-        if app.config.get('avatar_position_in_roster') == 'left':
+        renderer.set_property('width', AvatarSize.ROSTER)
-            renderer.set_property('width', AvatarSize.ROSTER)
+        renderer.set_property('xalign', 0.5)
-            renderer.set_property('xalign', 0.5)
-        else:
-            renderer.set_property('xalign', 1) # align pixbuf to the right
 
     def _fill_padlock_pixbuf_renderer(self, column, renderer, model, titer,
     data=None):