From: Benjamin Otte <otte@redhat.com>
Date: Tue, 16 May 2023 16:08:21 +0000 (+0200)
Subject: gridview: Add border-spacing where it was missed
X-Git-Tag: archive/raspbian/4.12.3+ds-1+rpi1~1^2^2^2~22^2~1^2~253^2~11
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=099955b0;p=gtk4.git

gridview: Add border-spacing where it was missed

We were computing column widths without taking border-spacing into
account, making them slightly too big.
---

diff --git a/gtk/gtkgridview.c b/gtk/gtkgridview.c
index 274f34c3c9..885826a138 100644
--- a/gtk/gtkgridview.c
+++ b/gtk/gtkgridview.c
@@ -657,7 +657,7 @@ gtk_grid_view_measure_list (GtkWidget *widget,
   gtk_grid_view_measure_column_size (self, &col_min, &col_nat);
   for_size = MAX (for_size, col_min * (int) self->min_columns);
   n_columns = gtk_grid_view_compute_n_columns (self, for_size, xspacing, col_min, col_nat);
-  column_size = for_size / n_columns;
+  column_size = (for_size + xspacing) / n_columns - xspacing;
 
   i = 0;
   row_height = 0;
@@ -770,7 +770,7 @@ gtk_grid_view_size_allocate (GtkWidget *widget,
                                                      orientation == GTK_ORIENTATION_VERTICAL ? width : height,
                                                      xspacing,
                                                      col_min, col_nat);
-  self->column_width = (orientation == GTK_ORIENTATION_VERTICAL ? width : height) / self->n_columns;
+  self->column_width = ((orientation == GTK_ORIENTATION_VERTICAL ? width : height) + xspacing) / self->n_columns - xspacing;
   self->column_width = MAX (self->column_width, col_min);
 
   /* step 2: determine height of known rows */