[gtk/columnview-layout] columnview: Take column width into account for measuring

[Matthias Clasen <matthiasc src gnome org>]

commit 11a18bd61a8434b0bb0029a6eee7a798b10a137c
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Jun 5 09:37:59 2020 -0400

    columnview: Take column width into account for measuring
    
    When measuring the height of a cell, we need to give
    it it the width of its column, if we expect realistic
    results.

 gtk/gtkcolumnviewcell.c  | 13 ++++++++++++-
 gtk/gtkcolumnviewtitle.c | 13 ++++++++++++-
 2 files changed, 24 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkcolumnviewcell.c b/gtk/gtkcolumnviewcell.c
index 0f14795476..e0f0885803 100644
--- a/gtk/gtkcolumnviewcell.c
+++ b/gtk/gtkcolumnviewcell.c
@@ -55,13 +55,24 @@ gtk_column_view_cell_measure (GtkWidget      *widget,
 {
   GtkColumnViewCell *cell = GTK_COLUMN_VIEW_CELL (widget);
   GtkWidget *child = gtk_widget_get_first_child (widget);
+  int fixed_width = gtk_column_view_column_get_fixed_width (cell->column);
+
+  if (orientation == GTK_ORIENTATION_VERTICAL)
+    {
+      if (fixed_width > -1)
+        {
+          if (for_size == -1)
+            for_size = fixed_width;
+          else
+            for_size = MIN (for_size, fixed_width);
+        }
+    }
 
   if (child)
     gtk_widget_measure (child, orientation, for_size, minimum, natural, minimum_baseline, natural_baseline);
 
   if (orientation == GTK_ORIENTATION_HORIZONTAL)
     {
-      int fixed_width = gtk_column_view_column_get_fixed_width (cell->column);
       if (fixed_width > -1)
         *minimum = *natural = fixed_width;
     }
diff --git a/gtk/gtkcolumnviewtitle.c b/gtk/gtkcolumnviewtitle.c
index 53dc56df8f..12c39d9ba3 100644
--- a/gtk/gtkcolumnviewtitle.c
+++ b/gtk/gtkcolumnviewtitle.c
@@ -63,13 +63,24 @@ gtk_column_view_title_measure (GtkWidget      *widget,
 {
   GtkColumnViewTitle *self = GTK_COLUMN_VIEW_TITLE (widget);
   GtkWidget *child = gtk_widget_get_first_child (widget);
+  int fixed_width = gtk_column_view_column_get_fixed_width (self->column);
+
+  if (orientation == GTK_ORIENTATION_VERTICAL)
+    {
+      if (fixed_width > -1)
+        {
+          if (for_size == -1)
+            for_size = fixed_width;
+          else
+            for_size = MIN (for_size, fixed_width);
+        }
+    }
 
   if (child)
     gtk_widget_measure (child, orientation, for_size, minimum, natural, minimum_baseline, natural_baseline);
 
   if (orientation == GTK_ORIENTATION_HORIZONTAL)
     {
-      int fixed_width = gtk_column_view_column_get_fixed_width (self->column);
       if (fixed_width > -1)
         *minimum = *natural = fixed_width;
     }