label: Move focus out of widget after last link

This allows the user to navigate via tab the links in a label and exits
the widget after the last link, when moving forward, and first link,
when moving backward.

This also ensures that ellipsised links arn't focused.

Fixes: https://gitlab.gnome.org/GNOME/gtk/-/issues/4681
This commit is contained in:
Julian Sparber 2022-04-14 12:14:17 +02:00 committed by Matthias Clasen
parent 659c1c41de
commit f915c6bb5c

View File

@ -1793,6 +1793,7 @@ gtk_label_focus (GtkWidget *widget,
{
info->selection_anchor = focus_link->start;
info->selection_end = focus_link->start;
break;
}
}
}
@ -1856,7 +1857,6 @@ gtk_label_focus (GtkWidget *widget,
{
int focus_link_index;
int new_index = -1;
int i;
if (info->n_links == 0)
goto out;
@ -1870,29 +1870,39 @@ gtk_label_focus (GtkWidget *widget,
{
case GTK_DIR_TAB_FORWARD:
if (focus_link)
new_index = (focus_link_index + 1) % info->n_links;
new_index = focus_link_index + 1;
else
new_index = 0;
for (i = new_index; i < info->n_links; i++)
if (new_index >= info->n_links)
goto out;
while (new_index < info->n_links)
{
const GtkLabelLink *link = &info->links[i];
const GtkLabelLink *link = &info->links[new_index];
if (!range_is_in_ellipsis (self, link->start, link->end))
break;
new_index++;
}
break;
case GTK_DIR_TAB_BACKWARD:
if (focus_link)
new_index = focus_link_index == 0 ? info->n_links - 1 : focus_link_index - 1;
new_index = focus_link_index - 1;
else
new_index = info->n_links - 1;
for (i = new_index; i >= 0; i--)
if (new_index < 0)
goto out;
while (new_index >= 0)
{
const GtkLabelLink *link = &info->links[i];
const GtkLabelLink *link = &info->links[new_index];
if (!range_is_in_ellipsis (self, link->start, link->end))
break;
new_index--;
}
break;
@ -1904,7 +1914,7 @@ gtk_label_focus (GtkWidget *widget,
goto out;
}
if (new_index != -1)
if (new_index != -1 && new_index < info->n_links)
{
focus_link = &info->links[new_index];
info->selection_anchor = focus_link->start;