void xfdashboard_viewpad_set_spacing(XfdashboardViewpad *self, gfloat inSpacing)
{
XfdashboardViewpadPrivate *priv;
g_return_if_fail(XFDASHBOARD_IS_VIEWPAD(self));
g_return_if_fail(inSpacing>=0.0f);
priv=self->priv;
/* Only set value if it changes */
if(inSpacing==priv->spacing) return;
/* Set new value */
priv->spacing=inSpacing;
if(priv->layout)
{
clutter_grid_layout_set_column_spacing(CLUTTER_GRID_LAYOUT(priv->layout), priv->spacing);
clutter_grid_layout_set_row_spacing(CLUTTER_GRID_LAYOUT(priv->layout), priv->spacing);
}
clutter_actor_queue_relayout(CLUTTER_ACTOR(self));
/* Notify about property change */
g_object_notify_by_pspec(G_OBJECT(self), XfdashboardViewpadProperties[PROP_SPACING]);
}
static gboolean
key_release_cb (ClutterActor *stage,
ClutterEvent *event,
ClutterActor *box)
{
ClutterGridLayout *layout;
gboolean toggle;
guint spacing;
layout = CLUTTER_GRID_LAYOUT (clutter_actor_get_layout_manager (box));
switch (clutter_event_get_key_symbol (event))
{
case CLUTTER_KEY_c:
toggle = clutter_grid_layout_get_column_homogeneous (layout);
clutter_grid_layout_set_column_homogeneous (layout, !toggle);
break;
case CLUTTER_KEY_r:
toggle = clutter_grid_layout_get_row_homogeneous (layout);
clutter_grid_layout_set_row_homogeneous (layout, !toggle);
break;
case CLUTTER_KEY_s:
spacing = clutter_grid_layout_get_column_spacing (layout);
if (spacing < 12)
spacing += 1;
else
spacing = 0;
clutter_grid_layout_set_column_spacing (layout, spacing);
clutter_grid_layout_set_row_spacing (layout, spacing);
break;
case CLUTTER_KEY_q:
clutter_main_quit ();
break;
default:
return FALSE;
}
return TRUE;
}
int
main (int argc, char *argv[])
{
ClutterActor *stage, *box, *instructions;
ClutterLayoutManager *stage_layout, *grid_layout;
GError *error = NULL;
if (clutter_init_with_args (&argc, &argv,
NULL,
entries,
NULL,
&error) != CLUTTER_INIT_SUCCESS)
{
g_print ("Unable to run grid-layout: %s", error->message);
g_error_free (error);
return EXIT_FAILURE;
}
stage = clutter_stage_new ();
clutter_stage_set_user_resizable (CLUTTER_STAGE (stage), TRUE);
stage_layout = clutter_box_layout_new ();
clutter_box_layout_set_orientation (CLUTTER_BOX_LAYOUT (stage_layout),
CLUTTER_ORIENTATION_VERTICAL);
clutter_actor_set_layout_manager (stage, stage_layout);
grid_layout = clutter_grid_layout_new ();
if (is_vertical)
clutter_grid_layout_set_orientation (CLUTTER_GRID_LAYOUT (grid_layout),
CLUTTER_ORIENTATION_VERTICAL);
box = clutter_actor_new ();
clutter_actor_set_background_color (box, CLUTTER_COLOR_LightGray);
clutter_actor_set_x_expand (box, TRUE);
clutter_actor_set_y_expand (box, TRUE);
clutter_actor_set_layout_manager (box, grid_layout);
clutter_actor_add_child (stage, box);
clutter_actor_set_x_align (box, CLUTTER_ACTOR_ALIGN_FILL);
clutter_actor_set_y_align (box, CLUTTER_ACTOR_ALIGN_FILL);
add_actor (box, 0, 0, 1, 1);
add_actor (box, 1, 0, 1, 1);
add_actor (box, 2, 0, 1, 1);
add_actor (box, 0, 1, 1, 1);
add_actor (box, 1, 1, 2, 1);
add_actor (box, 0, 2, 3, 1);
add_actor (box, 0, 3, 2, 2);
add_actor (box, 2, 3, 1, 1);
add_actor (box, 2, 4, 1, 1);
instructions = clutter_text_new_with_text ("Sans 12px", INSTRUCTIONS);
clutter_actor_set_margin_top (instructions, 4);
clutter_actor_set_margin_left (instructions, 4);
clutter_actor_set_margin_bottom (instructions, 4);
clutter_actor_add_child (stage, instructions);
clutter_actor_set_x_align (instructions, CLUTTER_ACTOR_ALIGN_FILL);
clutter_actor_set_y_align (instructions, CLUTTER_ACTOR_ALIGN_CENTER);
g_signal_connect (stage, "destroy",
G_CALLBACK (clutter_main_quit), NULL);
g_signal_connect (stage, "key-release-event",
G_CALLBACK (key_release_cb), box);
clutter_actor_show (stage);
clutter_main ();
return 0;
}
static void
add_actor (ClutterActor *box,
gint left,
gint top,
gint width,
gint height)
{
ClutterLayoutManager *layout;
ClutterActor *rect, *text;
ClutterColor color;
clutter_color_from_hls (&color,
g_random_double_range (0.0, 360.0),
0.5,
0.5);
color.alpha = 255;
rect = clutter_actor_new ();
clutter_actor_set_layout_manager (rect, clutter_bin_layout_new ());
clutter_actor_set_background_color (rect, &color);
clutter_actor_set_reactive (rect, TRUE);
if (random_size)
clutter_actor_set_size (rect,
g_random_int_range (40, 80),
g_random_int_range (40, 80));
else
clutter_actor_set_size (rect, 60, 60);
clutter_actor_set_x_expand (rect, default_expand);
clutter_actor_set_y_expand (rect, default_expand);
if (!default_expand)
{
clutter_actor_set_x_align (rect, CLUTTER_ACTOR_ALIGN_CENTER);
clutter_actor_set_y_align (rect, CLUTTER_ACTOR_ALIGN_CENTER);
}
if (random_align)
{
clutter_actor_set_x_align (rect, g_random_int_range (0, 3));
clutter_actor_set_y_align (rect, g_random_int_range (0, 3));
}
text = clutter_text_new_with_text ("Sans 8px", NULL);
clutter_text_set_line_alignment (CLUTTER_TEXT (text),
PANGO_ALIGN_CENTER);
clutter_actor_add_child (rect, text);
g_signal_connect (rect, "button-release-event",
G_CALLBACK (button_release_cb), NULL);
g_signal_connect (rect, "notify::x-expand",
G_CALLBACK (changed_cb), text);
g_signal_connect (rect, "notify::y-expand",
G_CALLBACK (changed_cb), text);
g_signal_connect (rect, "notify::x-align",
G_CALLBACK (changed_cb), text);
g_signal_connect (rect, "notify::y-align",
G_CALLBACK (changed_cb), text);
layout = clutter_actor_get_layout_manager (box);
if (use_box)
clutter_actor_add_child (box, rect);
else
clutter_grid_layout_attach (CLUTTER_GRID_LAYOUT (layout), rect,
left, top, width, height);
changed_cb (rect, NULL, text);
}