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emojichooser: Make keynav work with != 7 columns

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The number of 7 columns was hardcoded in a few places
related to keynav across sections. The flowbox does
not have an api for it, but we can find out anyway
how many columns there are.
This commit is contained in:
Matthias Clasen 2020-12-21 22:44:28 -05:00
parent ea48506a32
commit 102b74f9eb
1 changed files with 22 additions and 3 deletions
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23
gtk/gtkemojichooser.c
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@ -1086,11 +1086,30 @@ keynav_failed (GtkWidget *box,
GtkWidget *sibling;
int i;
int column;
int n_columns = 7;
int child_x;
focus = gtk_root_get_focus (gtk_widget_get_root (box));
if (focus == NULL)
return FALSE;
/* determine the number of columns */
child_x = -1;
for (i = 0; i < 20; i++)
{
GtkAllocation alloc;
gtk_widget_get_allocation (GTK_WIDGET (gtk_flow_box_get_child_at_index (GTK_FLOW_BOX (box), i)),
&alloc);
if (alloc.x > child_x)
child_x = alloc.x;
else
{
n_columns = i;
break;
}
}
child = gtk_widget_get_ancestor (focus, GTK_TYPE_EMOJI_CHOOSER_CHILD);
i = 0;
@ -1099,7 +1118,7 @@ keynav_failed (GtkWidget *box,
sibling = gtk_widget_get_next_sibling (sibling))
i++;
column = i % 7;
column = i % n_columns;
if (direction == GTK_DIR_DOWN)
{
@ -1131,7 +1150,7 @@ keynav_failed (GtkWidget *box,
sibling;
sibling = gtk_widget_get_next_sibling (sibling), i++)
{
if ((i % 7) == column)
if ((i % n_columns) == column)
child = sibling;
}
if (child)