1 /*
2  * Copyright (c) 2008 Hypertriton, Inc. <http://hypertriton.com/>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
15  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
18  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
20  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
21  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
22  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
23  * USE OF THIS SOFTWARE EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  */
25 
26 /*
27  * Point tool.
28  */
29 
30 #include <agar/core/core.h>
31 #include <agar/gui/widget.h>
32 #include <agar/gui/primitive.h>
33 #include <agar/gui/iconmgr.h>
34 #include <agar/vg/vg.h>
35 #include <agar/vg/vg_view.h>
36 #include <agar/vg/icons.h>
37 
38 static int
MouseButtonDown(void * p,VG_Vector v,int b)39 MouseButtonDown(void *p, VG_Vector v, int b)
40 {
41 	VG_Tool *t = p;
42 	VG_View *vv = VGTOOL(t)->vgv;
43 	VG *vg = vv->vg;
44 
45 	switch (b) {
46 	case AG_MOUSE_LEFT:
47 		VG_Status(vv, _("New point at %.2f,%.2f"), v.x, v.y);
48 		VG_PointNew(vg->root, v);
49 		return (1);
50 	default:
51 		return (0);
52 	}
53 }
54 
55 static void
PostDraw(void * p,VG_View * vv)56 PostDraw(void *p, VG_View *vv)
57 {
58 	VG_Tool *t = p;
59 	int x, y;
60 
61 	VG_GetViewCoords(vv, t->vCursor, &x,&y);
62 	AG_DrawCircle(vv, x,y, 3, VG_MapColorRGB(vv->vg->selectionColor));
63 }
64 
65 VG_ToolOps vgPointTool = {
66 	N_("Point"),
67 	N_("Insert point in drawing."),
68 	&vgIconPoints,
69 	sizeof(VG_Tool),
70 	0,
71 	NULL,			/* init */
72 	NULL,			/* destroy */
73 	NULL,			/* edit */
74 	NULL,			/* predraw */
75 	PostDraw,
76 	NULL,			/* selected */
77 	NULL,			/* deselected */
78 	NULL,			/* mousemotion */
79 	MouseButtonDown,
80 	NULL,			/* mousebuttonup */
81 	NULL,			/* keydown */
82 	NULL			/* keyup */
83 };
84