/** build list of Leds */
static void _build(
NiftyconfChain * c)
{
/* rebuild */
LedCount i;
for(i = 0; i < led_chain_get_ledcount(chain_niftyled(c)); i++)
{
Led *led = led_chain_get_nth(chain_niftyled(c), i);
GtkTreeIter iter;
gtk_list_store_append(GTK_LIST_STORE(UI("liststore")), &iter);
gtk_list_store_set(GTK_LIST_STORE(UI("liststore")), &iter,
C_CHAIN_LED, i,
C_CHAIN_ELEMENT, led_get_privdata(led),
-1);
led_set_highlighted(led_get_privdata(led), false);
renderer_led_damage(led_get_privdata(led));
}
gtk_widget_show(GTK_WIDGET(UI("treeview")));
}
/** allocate new renderer for a Chain */
NiftyconfRenderer *renderer_chain_new(
NiftyconfChain * chain)
{
if(!chain)
NFT_LOG_NULL(NULL);
/* dimensions of cairo surface */
LedChain *c = chain_niftyled(chain);
int width = (led_chain_get_max_x(c) + 1) * renderer_scale_factor();
int height = (led_chain_get_max_y(c) + 1) * renderer_scale_factor();
return renderer_new(LED_CHAIN_T, chain, &_render_chain, width,
height);
}
/** damage chain renderer to queue re-render */
void renderer_chain_damage(
NiftyconfChain * chain)
{
LedChain *c = chain_niftyled(chain);
/* damage this chain's renderer */
renderer_damage(chain_get_renderer(chain));
/* also damage parent tile */
LedTile *t;
if((t = led_chain_get_parent_tile(c)))
{
NiftyconfTile *tile = led_tile_get_privdata(t);
renderer_tile_damage(tile);
}
}
/** renderer for chains */
static NftResult _render_chain(
cairo_surface_t ** s,
gpointer element)
{
if(!s || !*s || !element)
NFT_LOG_NULL(NFT_FAILURE);
/* get this chain */
NiftyconfChain *chain = (NiftyconfChain *) element;
LedChain *c = chain_niftyled(chain);
/* if dimensions changed, we need to allocate a new surface */
int width = (led_chain_get_max_x(c) + 1) * renderer_scale_factor();
int height = (led_chain_get_max_y(c) + 1) * renderer_scale_factor();
NiftyconfRenderer *r = chain_get_renderer(chain);
if(!renderer_resize(r, width, height))
{
g_error("Failed to resize renderer to %dx%d", width, height);
return NFT_FAILURE;
}
/* create context for drawing */
cairo_t *cr = cairo_create(*s);
/* disable antialiasing */
cairo_set_antialias(cr, CAIRO_ANTIALIAS_NONE);
/* clear surface */
cairo_set_source_rgba(cr, 0, 0, 0, 1);
cairo_rectangle(cr,
0, 0,
(double) cairo_image_surface_get_width(*s),
(double) cairo_image_surface_get_height(*s));
cairo_fill(cr);
/* set line-width */
cairo_set_line_width(cr, 1);
/* walk all LEDs */
LedCount i;
for(i = 0; i < led_chain_get_ledcount(c); i++)
{
Led *l = led_chain_get_nth(c, i);
NiftyconfLed *led = led_get_privdata(l);
NiftyconfRenderer *lr = led_get_renderer(led);
cairo_set_source_surface(cr, renderer_get_surface(lr),
(double) led_get_x(l) *
renderer_scale_factor(),
(double) led_get_y(l) *
renderer_scale_factor());
cairo_paint(cr);
}
cairo_destroy(cr);
return NFT_SUCCESS;
}
