[gnome-music/wip/jfelder/gtk4-v3: 92/108] searchview: Rework album/artist sizing




commit e3ed0add958d1b8b6e3adecc80ab7910c718b928
Author: Marinus Schraal <mschraal gnome org>
Date:   Thu Feb 10 14:15:58 2022 +0100

    searchview: Rework album/artist sizing
    
    FIXME: Initial sizing still off.

 gnomemusic/views/searchview.py | 112 ++++++++---------------------------------
 1 file changed, 21 insertions(+), 91 deletions(-)
---
diff --git a/gnomemusic/views/searchview.py b/gnomemusic/views/searchview.py
index 1395745ec..c3bfb7ce1 100644
--- a/gnomemusic/views/searchview.py
+++ b/gnomemusic/views/searchview.py
@@ -31,6 +31,7 @@ import typing
 from gi.repository import Gdk, GObject, Gtk
 
 from gnomemusic.search import Search
+from gnomemusic.utils import ArtSize
 from gnomemusic.widgets.albumcover import AlbumCover
 from gnomemusic.widgets.albumwidget import AlbumWidget
 from gnomemusic.widgets.headerbar import HeaderBar
@@ -94,41 +95,32 @@ class SearchView(Gtk.Stack):
         self._application = application
         self._coremodel = application.props.coremodel
         self._model = self._coremodel.props.songs_search
-        self._album_model = self._coremodel.props.albums_search
-        self._album_filter = self._coremodel.props.albums_search_filter
-        # self._album_filter.set_filter_func(
-        #     self._core_filter, self._album_model, 12)
+        self._player = self._application.props.player
+        self._window = application.props.window
+        self._headerbar = self._window._headerbar
 
+        self._album_model = self._coremodel.props.albums_search
         self._artist_model = self._coremodel.props.artists_search
-        self._artist_filter = self._coremodel.props.artists_search_filter
-        # self._artist_filter.set_filter_func(
-        #     self._core_filter, self._artist_model, 6)
+
+        self._album_slice = Gtk.SliceListModel.new(self._album_model, 0,8)
+        self._artist_slice = Gtk.SliceListModel.new(self._artist_model, 0, 6)
 
         self._model.connect_after(
             "items-changed", self._on_model_items_changed)
         self._songs_listbox.bind_model(self._model, self._create_song_widget)
         self._on_model_items_changed(self._model, 0, 0, 0)
 
-        self._album_filter.connect_after(
+        self._album_slice.connect_after(
             "items-changed", self._on_album_model_items_changed)
         self._album_flowbox.bind_model(
-            self._album_filter, self._create_album_cover)
-        # self._album_flowbox.connect(
-        #     "size-allocate", self._on_album_flowbox_size_allocate)
-        self._on_album_model_items_changed(self._album_filter, 0, 0, 0)
+            self._album_slice, self._create_album_cover)
+        self._application.props.window.connect(
+            "notify::default-width", self._on_window_width_change)
 
-        self._artist_filter.connect_after(
+        self._artist_slice.connect_after(
             "items-changed", self._on_artist_model_items_changed)
         self._artist_flowbox.bind_model(
-            self._artist_filter, self._create_artist_widget)
-        # self._artist_flowbox.connect(
-        #     "size-allocate", self._on_artist_flowbox_size_allocate)
-        self._on_artist_model_items_changed(self._artist_filter, 0, 0, 0)
-
-        self._player = self._application.props.player
-
-        self._window = application.props.window
-        self._headerbar = self._window._headerbar
+            self._artist_slice, self._create_artist_widget)
 
         self.connect("notify::selection-mode", self._on_selection_mode_changed)
 
@@ -267,76 +259,14 @@ class SearchView(Gtk.Stack):
 
         return True
 
-    def _on_album_flowbox_size_allocate(self, widget, allocation, data=None):
-        nb_children = self._album_filter.get_n_items()
-        if nb_children == 0:
-            return
-
-        first_child = self._album_flowbox.get_child_at_index(0)
-        child_height = first_child.get_allocation().height
-        if allocation.height > 2.5 * child_height:
-            for i in range(nb_children - 1, -1, -1):
-                child = self._album_flowbox.get_child_at_index(i)
-                if child.props.visible is True:
-                    child.props.visible = False
-                    return
-
-        children_hidden = False
-        for idx in range(nb_children):
-            child = self._album_flowbox.get_child_at_index(idx)
-            if not child.props.visible:
-                children_hidden = True
-                break
-        if children_hidden is False:
-            return
-
-        last_visible_child = self._album_flowbox.get_child_at_index(idx - 1)
-        first_row_last = self._album_flowbox.get_child_at_index((idx - 1) // 2)
-        second_row_pos = last_visible_child.get_allocation().x
-        first_row_pos = first_row_last.get_allocation().x
-        child_width = last_visible_child.get_allocation().width
-        nb_children_to_add = (first_row_pos - second_row_pos) // child_width
-        nb_children_to_add = min(nb_children_to_add + idx, nb_children)
-        for i in range(idx, nb_children_to_add):
-            child = self._album_flowbox.get_child_at_index(i)
-            child.props.visible = True
-
-    def _on_artist_flowbox_size_allocate(self, widget, allocation, data=None):
-        nb_children = self._artist_filter.get_n_items()
-        if nb_children == 0:
-            return
-
-        first_child = self._artist_flowbox.get_child_at_index(0)
-        # FIXME: It looks like it is possible that the widget is not
-        # yet created, resulting in a crash with first_child being
-        # None.
-        # Look for a cleaner solution.
-        if first_child is None:
-            return
-
-        child_height = first_child.get_allocation().height
-        if allocation.height > 1.5 * child_height:
-            for i in range(nb_children - 1, -1, -1):
-                child = self._artist_flowbox.get_child_at_index(i)
-                if child.props.visible is True:
-                    child.props.visible = False
-                    return
-
-        children_hidden = False
-        for idx in range(nb_children):
-            child = self._artist_flowbox.get_child_at_index(idx)
-            if not child.props.visible:
-                children_hidden = True
-                break
-        if children_hidden is False:
-            return
+    def _on_window_width_change(self, widget, value):
+        allocation = self._album_flowbox.get_allocation()
+        # FIXME: Just a bit of guesswork here.
+        padding = 32
+        items_per_row = int(allocation.width / (ArtSize.MEDIUM.width + padding))
 
-        last_child = self._artist_flowbox.get_child_at_index(idx - 1)
-        last_child_allocation = last_child.get_allocation()
-        child_width = last_child_allocation.width
-        if (last_child_allocation.x + 2 * child_width) < allocation.width:
-            child = self._artist_flowbox.get_child_at_index(idx)
-            child.props.visible = True
+        self._album_slice.props.size = 2 * items_per_row
+        self._artist_slice.props.size = items_per_row
 
     @Gtk.Template.Callback()
     def _on_album_activated(self, widget, child, user_data=None):


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