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columnview: Take expand into account

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When allocating columns, distribute extra space
to columns that have expand set to TRUE.
This commit is contained in:
Matthias Clasen 2019-12-22 23:10:46 -05:00
parent 2ab1b13092
commit 067df8d4dd
1 changed files with 27 additions and 8 deletions
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35
gtk/gtkcolumnview.c
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@ -194,11 +194,12 @@ gtk_column_view_allocate_columns (GtkColumnView *self,
{
GtkScrollablePolicy scroll_policy;
int col_min, col_nat, extra, col_size, x;
int n, n_expand, expand_size, n_extra;
guint i;
int n;
GtkRequestedSize *sizes;
n = g_list_model_get_n_items (G_LIST_MODEL (self->columns));
n_expand = 0;
sizes = g_newa (GtkRequestedSize, n);
for (i = 0; i < n; i++)
{
@ -206,7 +207,11 @@ gtk_column_view_allocate_columns (GtkColumnView *self,
column = g_list_model_get_item (G_LIST_MODEL (self->columns), i);
if (gtk_column_view_column_get_visible (column))
gtk_column_view_column_measure (column, &sizes[i].minimum_size, &sizes[i].natural_size);
{
gtk_column_view_column_measure (column, &sizes[i].minimum_size, &sizes[i].natural_size);
if (gtk_column_view_column_get_expand (column))
n_expand++;
}
else
sizes[i].minimum_size = sizes[i].natural_size = 0;
g_object_unref (column);
@ -216,10 +221,18 @@ gtk_column_view_allocate_columns (GtkColumnView *self,
scroll_policy = gtk_scrollable_get_hscroll_policy (GTK_SCROLLABLE (self->listview));
if (scroll_policy == GTK_SCROLL_MINIMUM)
extra = MAX (width - col_min, 0);
else
extra = MAX (width - col_min, col_nat - col_min);
extra = gtk_distribute_natural_allocation (extra, n, sizes);
if (n_expand > 0)
{
extra = MAX (width - col_min, 0);
gtk_distribute_natural_allocation (extra, n, sizes);
expand_size = extra / n_expand;
n_extra = extra % n_expand;
}
else
expand_size = n_extra = 0;
x = 0;
for (i = 0; i < n; i++)
@ -229,10 +242,16 @@ gtk_column_view_allocate_columns (GtkColumnView *self,
column = g_list_model_get_item (G_LIST_MODEL (self->columns), i);
if (gtk_column_view_column_get_visible (column))
{
if (scroll_policy == GTK_SCROLL_MINIMUM)
col_size = sizes[i].minimum_size;
else
col_size = sizes[i].natural_size;
col_size = sizes[i].minimum_size;
if (gtk_column_view_column_get_expand (column))
{
col_size += expand_size;
if (n_extra > 0)
{
col_size++;
n_extra--;
}
}
gtk_column_view_column_allocate (column, x, col_size);
if (self->in_column_reorder && i == self->drag_pos)