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// SPDX-License-Identifier: GPL-2.0-or-later
/* pps-overlay.c
* this file is part of papers, a gnome document viewer
*
* Copyright (C) 2025 Lucas Baudin <lbaudin@gnome.org>
*/
#include "pps-overlay.h"
G_DEFINE_INTERFACE (PpsOverlay, pps_overlay, G_TYPE_OBJECT)
static void
pps_overlay_default_init (PpsOverlayInterface *iface)
{
iface->get_area = NULL;
iface->update_visibility_from_state = NULL;
}
/**
* pps_overlay_get_area:
* @self: a #PpsOverlay instance
* @padding: (out): an additional padding for the overlay area (in view units)
*
* Gets the document area of the overlay.
*
* Returns: (transfer full): a #PpsRectangle that describes where the overlay shall be positioned
*/
PpsRectangle *
pps_overlay_get_area (PpsOverlay *self, gdouble *padding)
{
g_return_val_if_fail (PPS_IS_OVERLAY (self), NULL);
PpsOverlayInterface *iface = PPS_OVERLAY_GET_IFACE (self);
g_return_val_if_fail (iface->get_area != NULL, NULL);
return iface->get_area (self, padding);
}
void
pps_overlay_update_visibility_from_state (PpsOverlay *self, PpsRenderAnnotsFlags state)
{
g_return_if_fail (PPS_IS_OVERLAY (self));
PpsOverlayInterface *iface = PPS_OVERLAY_GET_IFACE (self);
if (iface->update_visibility_from_state) {
iface->update_visibility_from_state (self, state);
} else {
gtk_widget_set_visible (GTK_WIDGET (self), TRUE);
}
}
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