[gnome-tetravex/arnaudb/wip/gtk4: 46/60] Use measure().

[Arnaud B. <arnaudb src gnome org>]

commit 4bfd6d81280497e67d20aac356ce94628dd7ed92
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Fri Feb 21 04:41:00 2020 +0100

    Use measure().

 src/puzzle-view.vala | 31 +++++++++++++++++++------------
 1 file changed, 19 insertions(+), 12 deletions(-)
---
diff --git a/src/puzzle-view.vala b/src/puzzle-view.vala
index a9fe522..d4376f4 100644
--- a/src/puzzle-view.vala
+++ b/src/puzzle-view.vala
@@ -310,20 +310,27 @@ private class PuzzleView : Gtk.DrawingArea
         return false;
     }
 
-    protected override void get_preferred_width (out int minimum, out int natural)
+    protected override void measure (Gtk.Orientation orientation,
+                                     int for_size,
+                                 out int minimum,
+                                 out int natural,
+                                 out int minimum_baseline,
+                                 out int natural_baseline)
     {
         int size = 0;
-        if (puzzle_init_done)
-            size = (int) ((puzzle.size * 2 + 1.0 + /* 1 × */ gap_factor) * minimum_size);
-        minimum = natural = int.max (size, 500);
-    }
-
-    protected override void get_preferred_height (out int minimum, out int natural)
-    {
-        int size = 0;
-        if (puzzle_init_done)
-            size = (int) ((puzzle.size + 1.0) * minimum_size);
-        minimum = natural = int.max (size, 300);
+        if (orientation == Gtk.Orientation.VERTICAL)
+        {
+            if (puzzle_init_done)
+                size = (int) ((puzzle.size + 1.0) * minimum_size);
+            minimum = natural = int.max (size, 300);
+        }
+        else
+        {
+            if (puzzle_init_done)
+                size = (int) ((puzzle.size * 2 + 1.0 + /* 1 × */ gap_factor) * minimum_size);
+            minimum = natural = int.max (size, 500);
+        }
+        minimum_baseline = natural_baseline = 0;    // garbage
     }
 
     private void tile_moved_cb (Puzzle puzzle, Tile tile, uint8 x, uint8 y)