PIKApp/app/widgets/pikaoverlaychild.h

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2023-09-26 00:35:21 +02:00
/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* pikaoverlaychild.h
* Copyright (C) 2009 Michael Natterer <mitch@gimp.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef __PIKA_OVERLAY_CHILD_H__
#define __PIKA_OVERLAY_CHILD_H__
typedef struct _PikaOverlayChild PikaOverlayChild;
struct _PikaOverlayChild
{
GtkWidget *widget;
GdkWindow *window;
gboolean has_position;
gdouble xalign;
gdouble yalign;
gdouble x;
gdouble y;
gdouble angle;
gdouble opacity;
/* updated in size_allocate */
cairo_matrix_t matrix;
};
PikaOverlayChild * pika_overlay_child_new (PikaOverlayBox *box,
GtkWidget *widget,
gdouble xalign,
gdouble yalign,
gdouble angle,
gdouble opacity);
void pika_overlay_child_free (PikaOverlayBox *box,
PikaOverlayChild *child);
PikaOverlayChild * pika_overlay_child_find (PikaOverlayBox *box,
GtkWidget *widget);
void pika_overlay_child_realize (PikaOverlayBox *box,
PikaOverlayChild *child);
void pika_overlay_child_unrealize (PikaOverlayBox *box,
PikaOverlayChild *child);
void pika_overlay_child_get_preferred_width (PikaOverlayBox *box,
PikaOverlayChild *child,
gint *minimum,
gint *natural);
void pika_overlay_child_get_preferred_height (PikaOverlayBox *box,
PikaOverlayChild *child,
gint *minimum,
gint *natural);
void pika_overlay_child_size_allocate (PikaOverlayBox *box,
PikaOverlayChild *child);
gboolean pika_overlay_child_draw (PikaOverlayBox *box,
PikaOverlayChild *child,
cairo_t *cr);
gboolean pika_overlay_child_damage (PikaOverlayBox *box,
PikaOverlayChild *child,
GdkEventExpose *event);
void pika_overlay_child_invalidate (PikaOverlayBox *box,
PikaOverlayChild *child);
gboolean pika_overlay_child_pick (PikaOverlayBox *box,
PikaOverlayChild *child,
gdouble box_x,
gdouble box_y);
#endif /* __PIKA_OVERLAY_CHILD_H__ */