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pebble / interval / src / interval.c

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/** \file
 * Interval timer
 */
#include "pebble_os.h"
#include "pebble_app.h"
#include "pebble_fonts.h"

PBL_APP_INFO(
	"Intervals",
	"hudson",
	1, // Version
	INVALID_RESOURCE,
	APP_INFO_WATCH_FACE
);


static Window window;
static TextLayer time_layer;
static TextLayer remaining_layer;
static Layer line_layer;
static char time_buffer[12];
static char remaining_buffer[12];

static int remaining = 120;


static void
layer_update(
	Layer * const me,
	GContext * ctx
)
{
#if 0
	// Draw a white rectangle across the entire bottom
	const unsigned w = me->bounds.size.w;
	const unsigned h = me->bounds.size.h;
	graphics_context_set_fill_color(ctx, GColorWhite);
	graphics_fill_rect(ctx, GRect(0, 0, w, h), 0, GCornersAll);

	graphics_context_set_fill_color(ctx, GColorBlack);
	graphics_fill_rect(ctx, GRect(0, 0, (w * remaining) / 30, h), 4, GCornersRight);
#endif
}


static void
handle_tick(
	AppContextRef ctx,
	PebbleTickEvent * const event
)
{
	(void) ctx;
	const PblTm * const ptm = event->tick_time;

	string_format_time(
		time_buffer,
		sizeof(time_buffer),
		"%H:%M:%S",
		ptm
	);

	text_layer_set_text(&time_layer, time_buffer);

	if (remaining != 0)
		remaining--;

	remaining_buffer[0] = '0' + (remaining / 100) % 10;
	remaining_buffer[1] = '0' + (remaining / 10) % 10;
	remaining_buffer[2] = '0' + (remaining / 1) % 10;
	remaining_buffer[3] = '\0';

	text_layer_set_text(&remaining_layer, remaining_buffer);
}


static void
handle_init(
	AppContextRef ctx
)
{
	(void) ctx;

	window_init(&window, "Odometer");
	window_stack_push(&window, true);
	window_set_background_color(&window, GColorBlack);

	resource_init_current_app(&RESOURCES);


	text_layer_init(&time_layer, GRect(10,10,134,30));
	text_layer_init(&remaining_layer, GRect(10,40,134,30));

	text_layer_set_text_color(&time_layer, GColorWhite);
	text_layer_set_text_color(&remaining_layer, GColorWhite);
        text_layer_set_background_color(&time_layer, GColorClear);
        text_layer_set_background_color(&remaining_layer, GColorClear);

	text_layer_set_text(&time_layer, "");
	text_layer_set_text(&remaining_layer, "");

	text_layer_set_font(&time_layer, fonts_get_system_font(FONT_KEY_GOTHIC_14));
	text_layer_set_font(&remaining_layer, fonts_get_system_font(FONT_KEY_GOTHIC_28));

	layer_add_child(&window.layer, &time_layer.layer);
	layer_add_child(&window.layer, &remaining_layer.layer);

#if 0
	// Bargraph layer is across the bottom
	const unsigned bargraph_height = 20;
	layer_init(&bargraph_layer, GRect(0,168-bargraph_height-15,144,bargraph_height));
	bargraph_layer.update_proc = bargraph_layer_update;

	layer_add_child(&window.layer, &bargraph_layer);
#endif
}


void
pbl_main(
	void * const params
)
{
	PebbleAppHandlers handlers = {
		.init_handler	= handle_init,
		.tick_info	= {
			.tick_handler = handle_tick,
			.tick_units = SECOND_UNIT,
		},
	};

	app_event_loop(params, &handlers);
}