1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Infinite invisible canvas item
*
* Author:
* Federico Mena <federico@nuclecu.unam.mx>
* Raph Levien <raph@acm.org>
* Lauris Kaplinski <lauris@kaplinski.com>
* Jon A. Cruz <jon@joncruz.org>
*
* Copyright (C) 1998-1999 The Free Software Foundation
* Copyright (C) 2002 Lauris Kaplinski
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "gnome-canvas-acetate.h"
#include "ui/event-debug.h"
static void sp_canvas_acetate_destroy(SPCanvasItem *object);
static void sp_canvas_acetate_update (SPCanvasItem *item, Geom::Affine const &affine, unsigned int flags);
static double sp_canvas_acetate_point (SPCanvasItem *item, Geom::Point p, SPCanvasItem **actual_item);
static int sp_canvas_acetate_event( SPCanvasItem *item, GdkEvent *event);
G_DEFINE_TYPE(SPCanvasAcetate, sp_canvas_acetate, SP_TYPE_CANVAS_ITEM);
static void sp_canvas_acetate_class_init (SPCanvasAcetateClass *klass)
{
SPCanvasItemClass *item_class = (SPCanvasItemClass *) klass;
item_class->destroy = sp_canvas_acetate_destroy;
item_class->update = sp_canvas_acetate_update;
item_class->point = sp_canvas_acetate_point;
// item_class->event = sp_canvas_acetate_event;
}
static void sp_canvas_acetate_init (SPCanvasAcetate */*acetate*/)
{
/* Nothing here */
}
static void sp_canvas_acetate_destroy(SPCanvasItem *object)
{
g_return_if_fail (object != nullptr);
g_return_if_fail (GNOME_IS_CANVAS_ACETATE (object));
if (SP_CANVAS_ITEM_CLASS(sp_canvas_acetate_parent_class)->destroy)
SP_CANVAS_ITEM_CLASS(sp_canvas_acetate_parent_class)->destroy(object);
}
static void sp_canvas_acetate_update( SPCanvasItem *item, Geom::Affine const &/*affine*/, unsigned int /*flags*/ )
{
item->x1 = -G_MAXINT;
item->y1 = -G_MAXINT;
item->x2 = G_MAXINT;
item->y2 = G_MAXINT;
}
static double sp_canvas_acetate_point( SPCanvasItem *item, Geom::Point /*p*/, SPCanvasItem **actual_item )
{
*actual_item = item;
return 0.0;
}
// static int sp_canvas_acetate_event( SPCanvasItem *item, GdkEvent *event)
// {
// ui_dump_event (event, "sp_canvas_acetate_event");
// return 0; // ?
// }
|
