From: Tobias Geerinckx-Rice <me@tobias.gr>
Date: Tue, 02 Mar 2021 18:04:33 +0100
Subject: [PATCH] gnu: python-matplotlib: Run under Wayland with GTK3.

Adopted from upstream's fix[0] for
<https://github.com/matplotlib/matplotlib/issues/19405>.

[0]: https://github.com/liuyun88/matplotlib/commit/3d5000463bd23cb046681220f5511f07743f7d82

---
diff -Naur a/lib/matplotlib/backends/backend_gtk3.py b/lib/matplotlib/backends/backend_gtk3.py
--- a/lib/matplotlib/backends/backend_gtk3.py	2019-11-21 23:47:05.000000000 +0100
+++ b/lib/matplotlib/backends/backend_gtk3.py	2021-03-02 18:00:57.479929766 +0100
@@ -42,11 +42,12 @@
 
 try:
+    _display = Gdk.Display.get_default()
     cursord = {
-        cursors.MOVE          : Gdk.Cursor.new(Gdk.CursorType.FLEUR),
-        cursors.HAND          : Gdk.Cursor.new(Gdk.CursorType.HAND2),
-        cursors.POINTER       : Gdk.Cursor.new(Gdk.CursorType.LEFT_PTR),
-        cursors.SELECT_REGION : Gdk.Cursor.new(Gdk.CursorType.TCROSS),
-        cursors.WAIT          : Gdk.Cursor.new(Gdk.CursorType.WATCH),
+        cursors.MOVE          : Gdk.Cursor.new_from_name(_display, "move"),
+        cursors.HAND          : Gdk.Cursor.new_from_name(_display, "pointer"),
+        cursors.POINTER       : Gdk.Cursor.new_from_name(_display, "default"),
+        cursors.SELECT_REGION : Gdk.Cursor.new_from_name(_display, "crosshair"),
+        cursors.WAIT          : Gdk.Cursor.new_from_name(_display, "wait"),
     }
 except TypeError as exc:
     # Happens when running headless.  Convert to ImportError to cooperate with
 name='id' value='041a12c46b77094c3a89276cf55d9cf1f68fb9a3'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/guix/log/?id=041a12c46b77094c3a89276cf55d9cf1f68fb9a3'>root</a>/<a href='/guix/log/tests?id=041a12c46b77094c3a89276cf55d9cf1f68fb9a3'>tests</a>/<a href='/guix/log/tests/base32.scm?id=041a12c46b77094c3a89276cf55d9cf1f68fb9a3'>base32.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/tests/base32.scm?id=041a12c46b77094c3a89276cf55d9cf1f68fb9a3&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-08-29 16:24:17 +0200'>2020-08-29</span></td><td><a href='/guix/commit/tests/base32.scm?id=d7965b58d25c9c7648ba5682223f32d759fdffda'>build: Remove references to the 'nix-hash' program.</a><span class='msg-avail'>...<span class='msg-tooltip'>* configure.ac: Remove check for 'nix-hash'.
* tests/base32.scm (%nix-hash, %have-nix-hash?): Remove.
("sha256 &amp; bytevector-&gt;nix-base32-string"): Remove test.
* build-aux/pre-inst-env.in: Do not set 'NIX_HASH' environment
variable.
</span></span></td><td>Ludovic Courtès</td></tr>