static void
make_dynamic_link (GstEditorLink * link)
{
GstElement *srce, *sinke;
GstPadTemplate *src = NULL, *sink = NULL;
if (GST_IS_EDITOR_PAD_SOMETIMES (link->srcpad))
src = GST_PAD_TEMPLATE (link->srcpad->object);
if (GST_IS_EDITOR_PAD_SOMETIMES (link->sinkpad))
sink = GST_PAD_TEMPLATE (link->sinkpad->object);
srce =
GST_ELEMENT (GST_EDITOR_ITEM (goo_canvas_item_get_parent (GOO_CANVAS_ITEM
(link->srcpad)))->object);
sinke =
GST_ELEMENT (GST_EDITOR_ITEM (goo_canvas_item_get_parent (GOO_CANVAS_ITEM
(link->sinkpad)))->object);
g_return_if_fail (src || sink);
if (src)
g_signal_connect_after (srce, "pad-added", G_CALLBACK (on_new_pad), link);
if (sink)
g_signal_connect_after (sinke, "pad-added", G_CALLBACK (on_new_pad), link);
g_print ("dynamic link\n");
}
void
gst_editor_link_destroy (GstEditorLink * link)
{
// g_print ("trying to destroy this half link");
GstEditorBin * padbin;
if (link->srcpad)
padbin = GST_EDITOR_BIN (goo_canvas_item_get_parent (
goo_canvas_item_get_parent (GOO_CANVAS_ITEM (link->srcpad))));
else
padbin = GST_EDITOR_BIN (goo_canvas_item_get_parent (
goo_canvas_item_get_parent (GOO_CANVAS_ITEM (link->sinkpad))));
padbin->links = g_list_remove (padbin->links, link);
if (link->srcpad)
GST_EDITOR_PAD (link->srcpad)->link = NULL;
if (link->sinkpad)
GST_EDITOR_PAD (link->sinkpad)->link = NULL;
// int killnumber;
// killnumber=goo_canvas_item_find_child(goo_canvas_item_get_parent(GOO_CANVAS_ITEM(link)),GOO_CANVAS_ITEM(link));
// g_print ("found child at %d",killnumber);
// ARGH, what am I doing here
// g_realloc(link,sizeof(GooCanvasPolyline));
// g_realloc(link,sizeof(GooCanvasPolyline));
// goo_canvas_item_remove_child(goo_canvas_item_get_parent(GOO_CANVAS_ITEM(link)),killnumber);
goo_canvas_item_remove (GOO_CANVAS_ITEM (link));
if (link->points)
goo_canvas_points_unref (link->points);
// g_print ("ready to crash:)");
// g_free(link);
// g_print ("no warnings until now");
return;
}
static DrawCanvasItem *
draw_canvas_get_item_at (DrawCanvas *canvas,
gdouble x,
gdouble y,
gboolean is_pointer_event)
{
GooCanvasItem *item;
g_return_val_if_fail(DRAW_IS_CANVAS(canvas), NULL);
/*
* Fetch the item underneath the pointer. If the item is not a
* DrawCanvasItem or the item is part of a selection group, work our way
* up until we find that top-most grabbable item.
*/
item = goo_canvas_get_item_at(GOO_CANVAS(canvas), x, y, is_pointer_event);
for (; item; item = goo_canvas_item_get_parent(item)) {
/*
* TODO: Check if part of a selection/group.
*/
if (DRAW_IS_CANVAS_ITEM(item)) {
return DRAW_CANVAS_ITEM(item);
}
}
return NULL;
}
static gboolean
on_button_press (GooCanvasItem *item,
GooCanvasItem *target,
GdkEventButton *event,
gpointer data)
{
GooCanvasItem *parent1, *parent2, *parent;
if (event->button != 1 || event->type != GDK_BUTTON_PRESS)
return FALSE;
g_print ("In on_button_press\n");
parent1 = g_object_get_data (G_OBJECT (item), "parent1");
parent2 = g_object_get_data (G_OBJECT (item), "parent2");
parent = goo_canvas_item_get_parent (item);
g_object_ref (item);
goo_canvas_item_remove (item);
if (parent == parent1)
goo_canvas_item_add_child (parent2, item, -1);
else
goo_canvas_item_add_child (parent1, item, -1);
g_object_unref (item);
return TRUE;
}
static AtkObject*
goo_canvas_item_accessible_get_parent (AtkObject *accessible)
{
GooCanvasItem *item, *parent;
GooCanvas *canvas;
GObject *object;
g_return_val_if_fail (GOO_IS_CANVAS_ITEM_ACCESSIBLE (accessible), NULL);
if (accessible->accessible_parent)
return accessible->accessible_parent;
object = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (accessible));
if (object == NULL)
return NULL;
item = GOO_CANVAS_ITEM (object);
parent = goo_canvas_item_get_parent (item);
if (parent)
return atk_gobject_accessible_for_object (G_OBJECT (parent));
canvas = goo_canvas_item_get_canvas (item);
if (canvas)
return gtk_widget_get_accessible (GTK_WIDGET (canvas));
return NULL;
}
/* ==================================== */
static gboolean
item_event (GooCanvasItem *item,
GooCanvasItem *target,
GdkEventButton *event,
gpointer data)
{
gint button_id = GPOINTER_TO_INT(data);
GooCanvasItem *button;
if(board_paused)
return FALSE;
switch (event->type)
{
case GDK_BUTTON_PRESS:
board_paused = TRUE;
if ( button_id == right_word )
gamewon = TRUE;
else
gamewon = FALSE;
button = (GooCanvasItem*)g_object_get_data(G_OBJECT(goo_canvas_item_get_parent(item)),
"button");
highlight_selected(button);
process_ok();
break;
default:
break;
}
return FALSE;
}
static gint
goo_canvas_item_accessible_get_index_in_parent (AtkObject *accessible)
{
GooCanvasItem *item, *parent;
GooCanvas *canvas;
GObject *object;
g_return_val_if_fail (GOO_IS_CANVAS_ITEM_ACCESSIBLE (accessible), -1);
if (accessible->accessible_parent)
{
gint n_children, i;
gboolean found = FALSE;
n_children = atk_object_get_n_accessible_children (accessible->accessible_parent);
for (i = 0; i < n_children; i++)
{
AtkObject *child;
child = atk_object_ref_accessible_child (accessible->accessible_parent, i);
if (child == accessible)
found = TRUE;
g_object_unref (child);
if (found)
return i;
}
return -1;
}
object = atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (accessible));
if (object == NULL)
return -1;
item = GOO_CANVAS_ITEM (object);
parent = goo_canvas_item_get_parent (item);
if (parent)
return goo_canvas_item_find_child (parent, item);
canvas = goo_canvas_item_get_canvas (item);
if (canvas)
return 0;
return -1;
}
static gboolean
on_motion_notify (GooCanvasItem *item,
GooCanvasItem *target,
GdkEventMotion *event,
gpointer data)
{
GooCanvasItem *ancestor = target;
gchar *id;
while (ancestor)
{
id = g_object_get_data (G_OBJECT (ancestor), "id");
if (id)
{
g_print ("%s item received 'motion-notify' signal\n", id);
return TRUE;
}
ancestor = goo_canvas_item_get_parent (ancestor);
}
return TRUE;
}
gboolean
gst_editor_link_link (GstEditorLink * link)
{
GObject * src, *sink;
GstPad * srcpad = NULL, * sinkpad = NULL;
GooCanvasItem * item;
GooCanvasLineDash * dash;
g_return_val_if_fail (GST_IS_EDITOR_LINK (link), FALSE);
if (!link->srcpad || !link->sinkpad)
goto error;
src = (GObject *)GST_EDITOR_ITEM (link->srcpad)->object;
sink = (GObject *)GST_EDITOR_ITEM (link->sinkpad)->object;
if (!GST_EDITOR_PAD (link->srcpad)->istemplate) {
if (!GST_EDITOR_PAD (link->sinkpad)->istemplate) {
if (GST_PAD_PEER (src) || GST_PAD_PEER (sink)) {
/*if (GST_PAD_PEER (src) != (GstPad *) sink)
{
g_warning ("The src pad is linked, but not to the sink pad");
goto error;
}
if (GST_PAD_PEER (sink) != (GstPad *) src)
{
g_warning ("The sink pad is linked, but not to the src pad");
goto error;
} */
srcpad = GST_PAD (src);
sinkpad = GST_PAD (sink);
goto linked;
/* yay goto */
}
}
else if (GST_PAD_PEER (src)) {
/* the to pad is a template */
g_warning ("The src pad is linked, but not to the sink pad");
goto error;
}
}
else if (!GST_EDITOR_PAD (link->sinkpad)->istemplate && GST_PAD_PEER (sink)) {
/* from pad is a template */
g_warning ("The sink pad is linked, but not to the src pad");
goto error;
}
if (link->ghost) {
g_object_set (
G_OBJECT (GOO_CANVAS_ITEM (link)), "fill-color", "grey70", NULL);
goto linked;
}
else if (GST_IS_EDITOR_PAD_SOMETIMES (link->srcpad) ||
GST_IS_EDITOR_PAD_SOMETIMES (link->sinkpad)) {
make_dynamic_link (link);
g_object_set (
G_OBJECT (GOO_CANVAS_ITEM (link)), "fill-color", "grey50", NULL);
goto linked;
}
else {
if (!GST_EDITOR_PAD (link->srcpad)->istemplate) {
srcpad = GST_PAD (src);
}
else if (GST_IS_EDITOR_PAD_REQUEST (link->srcpad)) {
srcpad = gst_element_get_request_pad (
(GstElement *)GST_EDITOR_ITEM (
goo_canvas_item_get_parent (GOO_CANVAS_ITEM (link->srcpad)))
->object,
GST_PAD_TEMPLATE (src)->name_template);
/* the new_pad signal will cause a new pad to made automagically in the
element */
g_object_set (G_OBJECT (GOO_CANVAS_ITEM (link)), "src-pad",
gst_editor_item_get ((GstObject *)srcpad), NULL);
}
else {
goto error;
}
if (!srcpad)
goto error;
if (!GST_EDITOR_PAD (link->sinkpad)->istemplate) {
sinkpad = GST_PAD (sink);
} else if (GST_IS_EDITOR_PAD_REQUEST (link->sinkpad)) {
sinkpad = gst_element_get_request_pad (
(GstElement *)GST_EDITOR_ITEM (
goo_canvas_item_get_parent (GOO_CANVAS_ITEM (link->sinkpad)))
->object,
GST_PAD_TEMPLATE (sink)->name_template);
g_object_set (G_OBJECT (GOO_CANVAS_ITEM (link)), "sink-pad",
gst_editor_item_get ((GstObject *)sinkpad), NULL);
} else {
goto error;
}
if (!sinkpad)
goto error;
if (gst_pad_link (srcpad, sinkpad) == GST_PAD_LINK_OK) {
GstEditorBin * srcbin, *sinkbin;
g_object_set (
G_OBJECT (GOO_CANVAS_ITEM (link)), "fill-color", "black", NULL);
linked:
srcbin = sinkbin = NULL;
dash = goo_canvas_line_dash_new (0, NULL);
g_object_set (G_OBJECT (GOO_CANVAS_ITEM (link)), "line-dash", dash, NULL);
goo_canvas_line_dash_unref (dash);
g_signal_connect (link->srcpad, "position-changed",
G_CALLBACK (on_editor_pad_position_changed), G_OBJECT (link));
g_signal_connect (link->sinkpad, "position-changed",
G_CALLBACK (on_editor_pad_position_changed), G_OBJECT (link));
/* don't connect a signal on a ghost or dynamic link */
g_print (
"adding unlinked signal for src: %p and sink %p", srcpad, sinkpad);
if (srcpad && sinkpad) {
GST_CAT_DEBUG (gste_debug_cat,
"link pad signal (%s:%s from %s:%s) with link %p",
GST_DEBUG_PAD_NAME (srcpad), GST_DEBUG_PAD_NAME (sinkpad), link);
g_signal_connect (srcpad, "unlinked", G_CALLBACK (on_pad_unlink), link);
g_signal_connect (
sinkpad, "unlinked", G_CALLBACK (on_pad_unlink), link);
}
item = goo_canvas_item_get_parent (
goo_canvas_item_get_parent (GOO_CANVAS_ITEM (link->srcpad)));
if (GST_IS_EDITOR_BIN (item))
srcbin = GST_EDITOR_BIN (item);
item = goo_canvas_item_get_parent (
goo_canvas_item_get_parent (GOO_CANVAS_ITEM (link->sinkpad)));
if (GST_IS_EDITOR_BIN (item))
sinkbin = GST_EDITOR_BIN (item);
if (sinkbin)
sinkbin->links = g_list_prepend (sinkbin->links, link);
if (srcbin && sinkbin != srcbin)
srcbin->links = g_list_prepend (srcbin->links, link);
return TRUE;
}
}
error:
g_message ("could not link");
if (link->srcpad)
GST_EDITOR_PAD (link->srcpad)->link = NULL;
if (link->sinkpad)
GST_EDITOR_PAD (link->sinkpad)->link = NULL;
return FALSE;
}
static void
on_pad_unlink (GstPad * pad, GstPad * peer, GstEditorLink * link)
{
GRWLock *globallock;
if ((GST_IS_EDITOR_LINK (link)) && (GST_IS_EDITOR_PAD (link->srcpad))) {
globallock = GST_EDITOR_ITEM (link->srcpad)->globallock;
} else if ((GST_IS_EDITOR_LINK (link)) && (GST_IS_EDITOR_PAD (link->sinkpad))) {
globallock = GST_EDITOR_ITEM (link->sinkpad)->globallock;
} else {
g_print ("Warning: On pad unlink without any valid Pads called!!!!");
return;
}
g_rw_lock_writer_lock (globallock);
g_print ("Unlink pad signal (%s:%s from %s:%s) with link %p",
GST_DEBUG_PAD_NAME (pad), GST_DEBUG_PAD_NAME (peer), link);
GstEditorBin *srcbin = NULL, *sinkbin = NULL;
/* this function is called when unlinking dynamic links as well */
if (peer && pad)
GST_CAT_DEBUG (gste_debug_cat,
"Unlink pad signal (%s:%s from %s:%s) with link %p",
GST_DEBUG_PAD_NAME (pad), GST_DEBUG_PAD_NAME (peer), link);
else
GST_CAT_DEBUG (gste_debug_cat, "Unlinking dynamic link");
if (!GST_IS_EDITOR_PAD (link->srcpad))
g_print ("Warning: Unlink pad signals critical: Srcpad not valid\n");
if (link->srcpad)
g_signal_handlers_disconnect_by_func (
link->srcpad, on_editor_pad_position_changed, link);
if (!GST_IS_EDITOR_PAD (link->sinkpad))
g_print ("Warning: Unlink pad signals critical: Sinkpad not valid\n");
if (link->sinkpad)
g_signal_handlers_disconnect_by_func (
link->sinkpad, on_editor_pad_position_changed, link);
if (GST_IS_PAD (pad))
g_signal_handlers_disconnect_by_func (pad, on_pad_unlink, link);
else
g_print ("Warning: On_pad_unlink: Pad not valid\n");
if (GST_IS_PAD (peer))
g_signal_handlers_disconnect_by_func (peer, on_pad_unlink, link);
else
g_print ("Warning: On_pad_unlink: Peer not valid\n");
g_print ("Unlinked pad signals, get srcbin\n");
if (link->srcpad)
srcbin = GST_EDITOR_BIN (goo_canvas_item_get_parent (
goo_canvas_item_get_parent (GOO_CANVAS_ITEM (link->srcpad))));
g_print ("Unlinked pad signals, get sinkbin\n");
if (link->sinkpad)
sinkbin = GST_EDITOR_BIN (goo_canvas_item_get_parent (
goo_canvas_item_get_parent (GOO_CANVAS_ITEM (link->sinkpad))));
g_print (
"Removing links from bin; srcbin: %p, sinkbin %p\n", srcbin, sinkbin);
if (sinkbin)
sinkbin->links = g_list_remove (sinkbin->links, link);
else
g_print ("Warning: On_pad_unlink: Sinkbin not valid\n");
if ((sinkbin != srcbin) && (srcbin))
srcbin->links = g_list_remove (srcbin->links, link);
else
g_print ("Warning: On_pad_unlink: Srcbin not validor same as Sinkbin\n");
if (link->ghost) {
if (link->srcpad)
GST_EDITOR_PAD (link->srcpad)->ghostlink = NULL;
if (link->sinkpad)
GST_EDITOR_PAD (link->sinkpad)->ghostlink = NULL;
} else {
if (link->srcpad)
GST_EDITOR_PAD (link->srcpad)->link = NULL;
if (link->sinkpad)
GST_EDITOR_PAD (link->sinkpad)->link = NULL;
}
g_rw_lock_writer_unlock (globallock);
link->srcpad = NULL;
link->sinkpad = NULL;
/* i have bad luck with actually killing the GCI's */
// goo_canvas_item_simple_hide (GOO_CANVAS_ITEM_SIMPLE (link));
if (GOO_IS_CANVAS_ITEM (link))
goo_canvas_item_remove (GOO_CANVAS_ITEM (link));
g_print ("Finished on_pad_unlink\n");
}
static int
scale_drag_event(GooCanvasItem *w,
GooCanvasItem *target,
GdkEvent *event,
ScaleItem *scale)
{
double x, y;
double item_x, item_y;
if(answer_string) // disable, waiting a answer
return FALSE;
switch(event->type)
{
case GDK_BUTTON_PRESS:
gc_drag_offset_save(event);
goo_canvas_item_raise(goo_canvas_item_get_parent(scale->item),
NULL);
goo_canvas_item_raise(scale->item, NULL);
break;
case GDK_MOTION_NOTIFY:
gc_drag_item_move(event, NULL);
break;
case GDK_BUTTON_RELEASE:
{
int plate;
item_x = event->button.x;
item_y = event->button.y;
goo_canvas_convert_from_item_space(goo_canvas_item_get_canvas(w),
scale->item, &item_x, &item_y);
x = item_x;
y = item_y;
goo_canvas_convert_to_item_space(goo_canvas_item_get_canvas(w),
group_g, &x, &y);
if( -ITEM_W < x
&& x < PLATE_W + ITEM_W
&& abs(y - PLATE_Y) < ITEM_H)
plate = 1;
else
{
x = item_x;
y = item_y;
goo_canvas_convert_to_item_space(goo_canvas_item_get_canvas(w),
group_d, &x, &y);
if( -ITEM_W < x
&& x < PLATE_W + ITEM_W
&& abs(y - PLATE_Y) < ITEM_H)
plate = -1;
else
plate=0;
}
scale_item_move_to(scale, plate);
}
break;
default:
break;
}
return FALSE;
}
static gboolean
piece_event (GooCanvasItem *item,
GooCanvasItem *target,
GdkEventButton *event,
gpointer data)
{
GooCanvasItem **board;
GooCanvasItem *text;
int pos, newpos;
int x, y;
double dx = 0.0, dy = 0.0;
int move;
board = g_object_get_data (G_OBJECT (goo_canvas_item_get_parent(item)), "board");
pos = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (item), "piece_pos"));
text = g_object_get_data (G_OBJECT (item), "text");
switch (event->type) {
case GDK_ENTER_NOTIFY:
g_object_set (text,
"fill-color", "white",
NULL);
break;
case GDK_LEAVE_NOTIFY:
g_object_set (text,
"fill-color", "black",
NULL);
break;
case GDK_BUTTON_PRESS:
y = pos / 4;
x = pos % 4;
move = TRUE;
if ((y > 0) && (board[(y - 1) * 4 + x] == NULL)) {
dx = 0.0;
dy = -1.0;
y--;
} else if ((y < 3) && (board[(y + 1) * 4 + x] == NULL)) {
dx = 0.0;
dy = 1.0;
y++;
} else if ((x > 0) && (board[y * 4 + x - 1] == NULL)) {
dx = -1.0;
dy = 0.0;
x--;
} else if ((x < 3) && (board[y * 4 + x + 1] == NULL)) {
dx = 1.0;
dy = 0.0;
x++;
} else
move = FALSE;
if (move) {
newpos = y * 4 + x;
board[pos] = NULL;
board[newpos] = item;
g_object_set_data (G_OBJECT (item), "piece_pos", GINT_TO_POINTER (newpos));
goo_canvas_item_translate (item, dx * PIECE_SIZE, dy * PIECE_SIZE);
test_win (board);
}
break;
default:
break;
}
return FALSE;
}