From 9dd53a105ea586f5d458e6605a221c0f88aa1839 Mon Sep 17 00:00:00 2001
From: Jonathan Wilkes <jon.w.wilkes@gmail.com>
Date: Thu, 10 Sep 2015 22:56:54 -0400
Subject: [PATCH] second draft of svg events - mouseup, mousedown, mouseover,
mouseout, mousemove
---
pd/nw/pdgui.js | 5 ++--
pd/src/g_canvas.c | 1 +
pd/src/g_graph.c | 2 +-
pd/src/g_template.c | 62 ++++++++++++++++++++++++++++++---------------
4 files changed, 46 insertions(+), 24 deletions(-)
diff --git a/pd/nw/pdgui.js b/pd/nw/pdgui.js
index 7b6207c9b..fab34f66a 100644
--- a/pd/nw/pdgui.js
+++ b/pd/nw/pdgui.js
@@ -2159,13 +2159,14 @@ function gui_draw_coords(cid, tag, shape, points) {
}
}
-function gui_draw_event(cid, tag, scalar_sym, draw_sym, event_name, state) {
+function gui_draw_event(cid, tag, scalar_sym, drawcommand_sym, event_name,
+ state) {
var item = get_item(cid, tag),
event_type = "on" + event_name;
if (state === 1) {
item[event_type] = function(e) {
// gui_post("Entered! Tag is " + tag);
- pdsend(cid, "scalar_event", scalar_sym, draw_sym, event_name,
+ pdsend(cid, "scalar_event", scalar_sym, drawcommand_sym, event_name,
e.pageX, e.pageY);
};
} else {
diff --git a/pd/src/g_canvas.c b/pd/src/g_canvas.c
index a0d0136b1..79dd8e171 100644
--- a/pd/src/g_canvas.c
+++ b/pd/src/g_canvas.c
@@ -1098,6 +1098,7 @@ static void group_svginit(t_glist *gl)
gl->gl_svg = (t_pd *)(svg_new((t_pd *)gl, gensym("group"), 0, 0));
t_pd *proxy = svg_header(gl->gl_svg);
inlet_new(&gl->gl_obj, proxy, 0, 0);
+ outlet_new(&gl->gl_obj, &s_anything);
}
void canvas_objfor(t_glist *gl, t_text *x, int argc, t_atom *argv);
diff --git a/pd/src/g_graph.c b/pd/src/g_graph.c
index 06802924a..146357227 100644
--- a/pd/src/g_graph.c
+++ b/pd/src/g_graph.c
@@ -563,7 +563,7 @@ void canvas_resortoutlets(t_canvas *x)
for (noutlets = 0, y = x->gl_list; y; y = y->g_next)
if (pd_class(&y->g_pd) == voutlet_class) noutlets++;
- if (noutlets < 2) return;
+ if (noutlets < 2 && !(canvas_isgroup(x))) return;
vec = (t_gobj **)getbytes(noutlets * sizeof(*vec));
diff --git a/pd/src/g_template.c b/pd/src/g_template.c
index 7713a00a8..3a2d5adc4 100644
--- a/pd/src/g_template.c
+++ b/pd/src/g_template.c
@@ -1174,7 +1174,7 @@ typedef struct _drawimage
t_pd *x_attr;
} t_drawimage;
-void draw_notifyforscalar(t_draw *x, t_glist *owner,
+void draw_notifyforscalar(t_object *x, t_glist *owner,
t_scalar *sc, t_symbol *s, int argc, t_atom *argv)
{
t_gpointer gp;
@@ -1186,7 +1186,7 @@ void draw_notifyforscalar(t_draw *x, t_glist *owner,
binbuf_add(b, 1, at);
binbuf_add(b, argc, argv);
if (x)
- outlet_anything(x->x_obj.ob_outlet, s, binbuf_getnatom(b),
+ outlet_anything(x->ob_outlet, s, binbuf_getnatom(b),
binbuf_getvec(b));
gpointer_unset(&gp);
binbuf_free(b);
@@ -1357,6 +1357,14 @@ void *svg_new(t_pd *parent, t_symbol *s, int argc, t_atom *argv)
fielddesc_setfloat_const(&x->x_events.e_mouseover, 0);
fielddesc_setfloat_const(&x->x_events.e_mousemove, 0);
fielddesc_setfloat_const(&x->x_events.e_mouseout, 0);
+
+ char buf[50];
+ // Here we bind the parent object to the addy for
+ // the svg. This way both [group] and [draw] will have
+ // the same binding symbol
+ sprintf(buf, "x%lx", (long unsigned int)x);
+ pd_bind(parent, gensym(buf));
+
return (x);
}
@@ -1401,8 +1409,6 @@ static void *draw_new(t_symbol *classsym, t_int argc, t_atom *argv)
t_draw *x = (t_draw *)pd_new(draw_class);
- /* outlet for event notifications */
- outlet_new(&x->x_obj, &s_anything);
/* create a proxy for drawing/svg attributes */
if (!(x->x_attr = (t_pd *)svg_new((t_pd *)x, type, argc, argv)))
@@ -1416,12 +1422,13 @@ static void *draw_new(t_symbol *classsym, t_int argc, t_atom *argv)
to the inlet. */
t_svg *sa = (t_svg *)x->x_attr;
inlet_new(&x->x_obj, &sa->x_pd, 0, 0);
+
+ /* outlet for event notifications */
+ outlet_new(&x->x_obj, &s_anything);
+
/* x_canvas can stay here */
x->x_canvas = canvas_getcurrent();
- char buf[50];
- sprintf(buf, "x%lx", (long unsigned int)x);
- pd_bind(&x->x_obj.te_pd, gensym(buf));
return (x);
}
@@ -1652,35 +1659,35 @@ void svg_sendupdate(t_svg *x, t_canvas *c, t_symbol *s,
else if (s == gensym("mouseover"))
{
gui_vmess("gui_draw_event", "xsxxsi",
- glist_getcanvas(c), tag, sc, x->x_parent, "mouseover",
+ glist_getcanvas(c), tag, sc, x, "mouseover",
(int)fielddesc_getcoord(
&x->x_events.e_mouseover, template, data, 1));
}
else if (s == gensym("mouseout"))
{
gui_vmess("gui_draw_event", "xsxxsi",
- glist_getcanvas(c), tag, sc, x->x_parent, "mouseout",
+ glist_getcanvas(c), tag, sc, x, "mouseout",
(int)fielddesc_getcoord(
&x->x_events.e_mouseout, template, data, 1));
}
else if (s == gensym("mousemove"))
{
gui_vmess("gui_draw_event", "xsxxsi",
- glist_getcanvas(c), tag, sc, x->x_parent, "mousemove",
+ glist_getcanvas(c), tag, sc, x, "mousemove",
(int)fielddesc_getcoord(
&x->x_events.e_mousemove, template, data, 1));
}
else if (s == gensym("mouseup"))
{
gui_vmess("gui_draw_event", "xsxxsi",
- glist_getcanvas(c), tag, sc, x->x_parent, "mouseup",
+ glist_getcanvas(c), tag, sc, x, "mouseup",
(int)fielddesc_getcoord(
&x->x_events.e_mouseup, template, data, 1));
}
else if (s == gensym("mousedown"))
{
gui_vmess("gui_draw_event", "xsxxsi",
- glist_getcanvas(c), tag, sc, x->x_parent, "mousedown",
+ glist_getcanvas(c), tag, sc, x, "mousedown",
(int)fielddesc_getcoord(
&x->x_events.e_mousedown, template, data, 1));
}
@@ -3897,7 +3904,7 @@ static void draw_motion(void *z, t_floatarg dx, t_floatarg dy)
{
template_notifyforscalar(draw_motion_template, draw_motion_glist,
draw_motion_scalar, gensym("change"), 1, at);
- draw_notifyforscalar(x, draw_motion_glist, draw_motion_scalar,
+ draw_notifyforscalar(&x->x_obj, draw_motion_glist, draw_motion_scalar,
gensym("drag"), 5, at);
}
// if (draw_motion_scalar)
@@ -4049,10 +4056,10 @@ static int draw_click(t_gobj *z, t_glist *glist,
void draw_notify(t_canvas *x, t_symbol *s, int argc, t_atom *argv)
{
t_symbol *scalarsym = atom_getsymbolarg(0, argc--, argv++);
- t_symbol *drawsym = atom_getsymbolarg(0, argc--, argv++);
+ t_symbol *drawcommand_sym = atom_getsymbolarg(0, argc--, argv++);
t_symbol *event_name = atom_getsymbolarg(0, argc--, argv++);
t_scalar *sc;
- t_draw *d;
+ t_object *ob = 0;
if (scalarsym->s_thing)
sc = (t_scalar *)scalarsym->s_thing;
else
@@ -4060,14 +4067,27 @@ void draw_notify(t_canvas *x, t_symbol *s, int argc, t_atom *argv)
error("draw_notify: can't get scalar from symbol");
return;
}
- if (drawsym->s_thing)
- d = (t_draw *)drawsym->s_thing;
+ if (drawcommand_sym->s_thing)
+ {
+ t_pd *drawcommand = (t_pd *)drawcommand_sym->s_thing;
+ if (pd_class(drawcommand) == draw_class)
+ {
+ t_draw *d = (t_draw *)drawcommand;
+ ob = &d->x_obj;
+ }
+ else
+ {
+ t_canvas *group = (t_canvas *)drawcommand;
+ ob = &group->gl_obj;
+ }
+ }
else
{
error("draw_notify: can't get draw object from symbol");
return;
}
- draw_notifyforscalar(d, x, sc, event_name, argc, argv);
+ if (ob)
+ draw_notifyforscalar(ob, x, sc, event_name, argc, argv);
}
/*
@@ -4179,6 +4199,9 @@ static void svg_free(t_svg *x)
t_freebytes(x->x_pathcmds, x->x_npathcmds * sizeof(*x->x_pathcmds));
t_freebytes(x->x_nargs_per_cmd, x->x_npathcmds * sizeof(*x->x_nargs_per_cmd));
}
+ char buf[50];
+ sprintf(buf, "x%lx", (long unsigned int)x);
+ pd_unbind((t_pd *)x->x_parent, gensym(buf));
}
void canvas_group_free(t_pd *x)
@@ -4189,9 +4212,6 @@ void canvas_group_free(t_pd *x)
static void draw_free(t_draw *x)
{
- char buf[50];
- sprintf(buf, "x%lx", (long unsigned int)x);
- pd_unbind(&x->x_obj.te_pd, gensym(buf));
t_svg *sa = (t_svg *)x->x_attr;
svg_free(sa);
}
--
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