252 lines
6.9 KiB
C
252 lines
6.9 KiB
C
#include <pebble.h>
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#include "settings.h"
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static int HAND_OUT = 200;
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static int HAND_IN = 40;
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static int MINUTE_WIDTH = 10;
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static int HOUR_WIDTH = 12;
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static int BORDER_WIDTH_BASE = 14;
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static int FONT_SIZE = 16;
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#define BORDER_WIDTH (BORDER_WIDTH_BASE + PBL_IF_ROUND_ELSE(4, 0))
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#define HBW (BORDER_WIDTH / 2)
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static Window *window;
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static Layer *s_bg_layer, *s_hands_layer;
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static TextLayer *s_day_label, *s_bt_label;
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static GColor face_color;
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static GColor accent_color;
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static GColor hand_color;
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static char s_day_buffer[15];
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GRect display_bounds;
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GPoint center;
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bool bt_connected;
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static bool visible_against(GColor a, GColor b) {
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GColor na = gcolor_legible_over(a);
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GColor nb = gcolor_legible_over(b);
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return (! gcolor_equal(na, nb));
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}
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static GPoint point_of_polar(int32_t theta, int r) {
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GPoint ret = {
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.x = (int16_t)(sin_lookup(theta) * r / TRIG_MAX_RATIO) + center.x,
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.y = (int16_t)(-cos_lookup(theta) * r / TRIG_MAX_RATIO) + center.y,
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};
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return ret;
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}
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static void bg_update_proc(Layer *layer, GContext *ctx) {
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// Draw Background, which is just a solid color
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graphics_context_set_fill_color(ctx, face_color);
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graphics_fill_rect(ctx, layer_get_bounds(layer), 0, GCornerNone);
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if (bt_connected) {
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text_layer_set_text(s_bt_label, "");
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} else {
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text_layer_set_text(s_bt_label, "");
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}
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}
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static void hands_update_proc(Layer *layer, GContext *ctx) {
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time_t now = time(NULL);
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struct tm *t = localtime(&now);
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char *b = s_day_buffer;
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// hour hand
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graphics_context_set_stroke_width(ctx, HOUR_WIDTH);
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graphics_context_set_stroke_color(ctx, hand_color);
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graphics_draw_line(ctx,
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point_of_polar(TRIG_MAX_ANGLE * (t->tm_hour % 12) / 12, HAND_IN),
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point_of_polar(TRIG_MAX_ANGLE * (t->tm_hour % 12) / 12, HAND_OUT));
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// minute hand
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graphics_context_set_stroke_width(ctx, MINUTE_WIDTH);
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graphics_context_set_stroke_color(ctx, accent_color);
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graphics_draw_line(ctx,
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center,
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point_of_polar(TRIG_MAX_ANGLE * t->tm_min / 60, HAND_OUT));
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// border
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#ifdef PBL_ROUND
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GRect frame = grect_inset(display_bounds, GEdgeInsets(0));
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graphics_context_set_fill_color(ctx, accent_color);
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graphics_fill_radial(ctx, frame, GOvalScaleModeFitCircle, BORDER_WIDTH, DEG_TO_TRIGANGLE(0), DEG_TO_TRIGANGLE(360));
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#else
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graphics_context_set_stroke_width(ctx, BORDER_WIDTH);
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GPoint a;
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a.x = display_bounds.origin.x + HBW;
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a.y = display_bounds.origin.y + HBW;
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for (int i = 0; i < 4; i += 1) {
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GPoint b = a;
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switch (i) {
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case 0:
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b.x = display_bounds.size.w - HBW;
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break;
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case 1:
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b.y = display_bounds.size.h - HBW;
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break;
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case 2:
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b.x = display_bounds.origin.x + HBW;
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break;
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case 3:
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b.y = display_bounds.origin.y + HBW;
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break;
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}
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graphics_draw_line(ctx, a, b);
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a = b;
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}
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#endif
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strftime(s_day_buffer, sizeof(s_day_buffer), "%d %b", t);
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if (b[0] == '0') {
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b += 1;
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}
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text_layer_set_text(s_day_label, b);
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}
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static void handle_tick(struct tm *tick_time, TimeUnits units_changed) {
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layer_mark_dirty(s_hands_layer);
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}
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static void set_configurables() {
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face_color = settings_get_color(KEY_COLOR_FACE);
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layer_mark_dirty(s_bg_layer);
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#ifdef PBL_COLOR
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do {
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uint8_t argb = rand() % 0b00111111;
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accent_color = (GColor8){ .argb = argb | 0b11000000 };
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} while (! visible_against(accent_color, face_color));
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#else
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accent_color = gcolor_legible_over(face_color);
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#endif
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hand_color = gcolor_legible_over(face_color);
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layer_mark_dirty(s_hands_layer);
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text_layer_set_text_color(s_day_label, gcolor_legible_over(accent_color));
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text_layer_set_text_color(s_bt_label, gcolor_legible_over(face_color));
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APP_LOG(APP_LOG_LEVEL_DEBUG, "Style: %ld", settings_get_int32(KEY_STYLE));
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switch (settings_get_int32(KEY_STYLE)) {
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case 1: // Thin style
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HAND_IN = 45;
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BORDER_WIDTH_BASE = 10;
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MINUTE_WIDTH = 10;
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HOUR_WIDTH = 12;
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text_layer_set_font(s_day_label, fonts_get_system_font(FONT_KEY_GOTHIC_14_BOLD));
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text_layer_set_text_alignment(s_day_label, PBL_IF_ROUND_ELSE(GTextAlignmentCenter, GTextAlignmentRight));
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break;
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default:
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HAND_IN = 40;
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BORDER_WIDTH_BASE = 16;
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MINUTE_WIDTH = 12;
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HOUR_WIDTH = 14;
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text_layer_set_font(s_day_label, fonts_get_system_font(FONT_KEY_GOTHIC_18_BOLD));
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text_layer_set_text_alignment(s_day_label, PBL_IF_ROUND_ELSE(GTextAlignmentCenter, GTextAlignmentLeft));
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break;
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}
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}
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static void window_load(Window *window) {
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Layer *window_layer = window_get_root_layer(window);
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GRect bounds = layer_get_bounds(window_layer);
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// Background
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s_bg_layer = layer_create(bounds);
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layer_set_update_proc(s_bg_layer, bg_update_proc);
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layer_add_child(window_layer, s_bg_layer);
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// Hands
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s_hands_layer = layer_create(bounds);
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layer_set_update_proc(s_hands_layer, hands_update_proc);
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layer_add_child(s_bg_layer, s_hands_layer);
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// Day
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s_day_label = text_layer_create(GRect(bounds.origin.x + 3,
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PBL_IF_ROUND_ELSE(0, -4),
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bounds.size.w - 6,
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24));
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text_layer_set_text(s_day_label, s_day_buffer);
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text_layer_set_background_color(s_day_label, GColorClear);
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layer_add_child(s_hands_layer, text_layer_get_layer(s_day_label));
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// Missing phone
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#ifdef PBL_ROUND
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s_bt_label = text_layer_create(GRect(26, 50, 52, 64));
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#else
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s_bt_label = text_layer_create(GRect(10, 42, 52, 64));
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#endif
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text_layer_set_text_alignment(s_bt_label, GTextAlignmentCenter);
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text_layer_set_text(s_bt_label, "");
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text_layer_set_background_color(s_bt_label, GColorClear);
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text_layer_set_font(s_bt_label, fonts_load_custom_font(resource_get_handle(RESOURCE_ID_SYMBOLS_64)));
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layer_add_child(s_bg_layer, text_layer_get_layer(s_bt_label));
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set_configurables();
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}
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static void window_unload(Window *window) {
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layer_destroy(s_bg_layer);
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layer_destroy(s_hands_layer);
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text_layer_destroy(s_day_label);
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}
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static void bt_handler(bool connected) {
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bt_connected = connected;
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if (! connected) {
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vibes_double_pulse();
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}
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layer_mark_dirty(s_bg_layer);
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}
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static void tick_subscribe() {
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tick_timer_service_subscribe(MINUTE_UNIT, handle_tick);
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}
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static void init() {
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// Pick out a color
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face_color = GColorBlack;
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s_day_buffer[0] = '\0';
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window = window_create();
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window_set_window_handlers(window, (WindowHandlers) {
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.load = window_load,
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.unload = window_unload,
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});
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window_stack_push(window, true);
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Layer *window_layer = window_get_root_layer(window);
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display_bounds = layer_get_bounds(window_layer);
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center = grect_center_point(&display_bounds);
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tick_subscribe();
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bluetooth_connection_service_subscribe(bt_handler);
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bt_connected = bluetooth_connection_service_peek();
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settings_init(set_configurables);
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}
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static void deinit() {
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// XXX: text destroy?
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tick_timer_service_unsubscribe();
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window_destroy(window);
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}
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int main() {
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init();
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app_event_loop();
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deinit();
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}
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