event type / subsecond refactor

launcher/launcher.c

@@ -8,6 +8,7 @@
 LauncherState launcher_state;
 void * widget_contexts[LAUNCHER_NUM_WIDGETS];
 const int32_t launcher_screensaver_deadlines[8] = {INT_MAX, 3600, 7200, 21600, 43200, 86400, 172800, 604800};
+LauncherEvent event;
 
 void cb_mode_btn_interrupt();
 void cb_light_btn_interrupt();
@@ -38,7 +39,9 @@ void launcher_move_to_widget(uint8_t widget_index) {
     launcher_state.current_widget = widget_index;
     watch_clear_display();
     widgets[launcher_state.current_widget].activate(&launcher_state.launcher_settings, widget_contexts[launcher_state.current_widget]);
-    widgets[launcher_state.current_widget].loop(EVENT_ACTIVATE, &launcher_state.launcher_settings, launcher_state.subsecond, widget_contexts[launcher_state.current_widget]);
+    event.value = 0;
+    event.bit.event_type = EVENT_ACTIVATE;
+    widgets[launcher_state.current_widget].loop(event, &launcher_state.launcher_settings, widget_contexts[launcher_state.current_widget]);
 }
 
 void launcher_move_to_next_widget() {
@@ -79,7 +82,8 @@ void app_setup() {
         }
 
         widgets[0].activate(&launcher_state.launcher_settings, widget_contexts[launcher_state.current_widget]);
-        widgets[0].loop(EVENT_ACTIVATE, &launcher_state.launcher_settings, 0, widget_contexts[launcher_state.current_widget]);
+        event.value = 0;
+        event.bit.event_type = EVENT_ACTIVATE;
     }
 }
 
@@ -89,8 +93,6 @@ void app_prepare_for_sleep() {
 void app_wake_from_sleep() {
 }
 
-LauncherEvent event;
-
 bool app_loop() {
     // play a beep if the widget has changed in response to a user's press of the MODE button
     if (launcher_state.widget_changed) {
@@ -128,14 +130,16 @@ bool app_loop() {
         alarm_time.unit.second = 59; // after a match, the alarm fires at the next rising edge of CLK_RTC_CNT, so 59 seconds lets us update at :00
         watch_rtc_register_alarm_callback(cb_alarm_fired, alarm_time, ALARM_MATCH_SS);
         watch_register_extwake_callback(BTN_ALARM, cb_alarm_btn_extwake, true);
-        widgets[launcher_state.current_widget].loop(EVENT_SCREENSAVER, &launcher_state.launcher_settings, 0, widget_contexts[launcher_state.current_widget]);
+        event.value = 0;
-        event = EVENT_SCREENSAVER;
+        event.bit.event_type = EVENT_SCREENSAVER;
+        widgets[launcher_state.current_widget].loop(event, &launcher_state.launcher_settings, widget_contexts[launcher_state.current_widget]);
         watch_enter_shallow_sleep(true);
     }
 
-    if (event) {
+    if (event.bit.event_type) {
-        widgets[launcher_state.current_widget].loop(event, &launcher_state.launcher_settings, launcher_state.subsecond, widget_contexts[launcher_state.current_widget]);
+        event.bit.subsecond = launcher_state.subsecond;
-        event = 0;
+        widgets[launcher_state.current_widget].loop(event, &launcher_state.launcher_settings, widget_contexts[launcher_state.current_widget]);
+        event.value = 0;
     }
 
 
@@ -144,7 +148,7 @@ bool app_loop() {
     return true;
 }
 
-LauncherEvent _figure_out_button_event(LauncherEvent button_down_event, uint8_t *down_timestamp) {
+LauncherEventType _figure_out_button_event(LauncherEventType button_down_event, uint8_t *down_timestamp) {
     watch_date_time date_time = watch_rtc_get_date_time();
     if (*down_timestamp) {
         uint8_t diff = ((61 + date_time.unit.second) - *down_timestamp) % 60;
@@ -159,17 +163,17 @@ LauncherEvent _figure_out_button_event(LauncherEvent button_down_event, uint8_t
 
 void cb_light_btn_interrupt() {
     _launcher_reset_screensaver_countdown();
-    event = _figure_out_button_event(EVENT_LIGHT_BUTTON_DOWN, &launcher_state.light_down_timestamp);
+    event.bit.event_type = _figure_out_button_event(EVENT_LIGHT_BUTTON_DOWN, &launcher_state.light_down_timestamp);
 }
 
 void cb_mode_btn_interrupt() {
     _launcher_reset_screensaver_countdown();
-    event = _figure_out_button_event(EVENT_MODE_BUTTON_DOWN, &launcher_state.mode_down_timestamp);
+    event.bit.event_type = _figure_out_button_event(EVENT_MODE_BUTTON_DOWN, &launcher_state.mode_down_timestamp);
 }
 
 void cb_alarm_btn_interrupt() {
     _launcher_reset_screensaver_countdown();
-    event = _figure_out_button_event(EVENT_ALARM_BUTTON_DOWN, &launcher_state.alarm_down_timestamp);
+    event.bit.event_type = _figure_out_button_event(EVENT_ALARM_BUTTON_DOWN, &launcher_state.alarm_down_timestamp);
 }
 
 void cb_alarm_btn_extwake() {
@@ -180,11 +184,11 @@ void cb_alarm_btn_extwake() {
 }
 
 void cb_alarm_fired() {
-    event = EVENT_SCREENSAVER;
+    event.bit.event_type = EVENT_SCREENSAVER;
 }
 
 void cb_tick() {
-    event = EVENT_TICK;
+    event.bit.event_type = EVENT_TICK;
     watch_date_time date_time = watch_rtc_get_date_time();
     if (date_time.unit.second != launcher_state.last_second) {
         if (launcher_state.light_ticks) launcher_state.light_ticks--;

launcher/launcher.h

@@ -21,7 +21,7 @@ typedef union {
     uint32_t value;
 } LauncherSettings;
 
-typedef enum LauncherEvent {
+typedef enum {
     EVENT_NONE = 0,             // There is no event to report.
     EVENT_ACTIVATE,             // Your widget is entering the foreground.
     EVENT_TICK,                 // Most common event type. Your widget is being called from the tick callback.
@@ -35,11 +35,21 @@ typedef enum LauncherEvent {
     EVENT_ALARM_BUTTON_DOWN,    // The alarm button has been pressed, but not yet released.
     EVENT_ALARM_BUTTON_UP,      // The alarm button was pressed and released.
     EVENT_ALARM_LONG_PRESS,     // The alarm button was held for >2 seconds, and released.
+} LauncherEventType;
+
+typedef union {
+    struct {
+        uint32_t event_type : 8;
+        uint32_t subsecond : 8;
+        uint32_t reserved : 16;
+    } bit;
+    uint32_t value;
 } LauncherEvent;
 
+
 typedef void (*launcher_widget_setup)(LauncherSettings *settings, void ** context_ptr);
 typedef void (*launcher_widget_activate)(LauncherSettings *settings, void *context);
-typedef void (*launcher_widget_loop)(LauncherEvent event, LauncherSettings *settings, uint8_t subsecond, void *context);
+typedef void (*launcher_widget_loop)(LauncherEvent event, LauncherSettings *settings, void *context);
 typedef void (*launcher_widget_resign)(LauncherSettings *settings, void *context);
 
 typedef struct WatchWidget {

launcher/widgets/clock/simple_clock_widget.c

@@ -17,16 +17,15 @@ void simple_clock_widget_activate(LauncherSettings *settings, void *context) {
     *((uint32_t *)context) = 0xFFFFFFFF;
 }
 
-void simple_clock_widget_loop(LauncherEvent event, LauncherSettings *settings, uint8_t subsecond, void *context) {
+void simple_clock_widget_loop(LauncherEvent event, LauncherSettings *settings, void *context) {
     printf("simple_clock_widget_loop\n");
-    (void) subsecond;
     const char weekdays[7][3] = {"SA", "SU", "MO", "TU", "WE", "TH", "FR"};
     char buf[11];
     uint8_t pos;
 
     watch_date_time date_time;
     uint32_t previous_date_time;
-    switch (event) {
+    switch (event.bit.event_type) {
         case EVENT_ACTIVATE:
         case EVENT_TICK:
         case EVENT_SCREENSAVER:
@@ -34,11 +33,11 @@ void simple_clock_widget_loop(LauncherEvent event, LauncherSettings *settings, u
             previous_date_time = *((uint32_t *)context);
             *((uint32_t *)context) = date_time.reg;
 
-            if (date_time.reg >> 6 == previous_date_time >> 6 && event != EVENT_SCREENSAVER) {
+            if (date_time.reg >> 6 == previous_date_time >> 6 && event.bit.event_type != EVENT_SCREENSAVER) {
                 // everything before seconds is the same, don't waste cycles setting those segments.
                 pos = 8;
                 sprintf(buf, "%02d", date_time.unit.second);
-            } else if (date_time.reg >> 12 == previous_date_time >> 12 && event != EVENT_SCREENSAVER) {
+            } else if (date_time.reg >> 12 == previous_date_time >> 12 && event.bit.event_type != EVENT_SCREENSAVER) {
                 // everything before minutes is the same.
                 pos = 6;
                 sprintf(buf, "%02d%02d", date_time.unit.minute, date_time.unit.second);
@@ -55,7 +54,7 @@ void simple_clock_widget_loop(LauncherEvent event, LauncherSettings *settings, u
                     if (date_time.unit.hour == 0) date_time.unit.hour = 12;
                 }
                 pos = 0;
-                if (event == EVENT_SCREENSAVER) {
+                if (event.bit.event_type == EVENT_SCREENSAVER) {
                     sprintf(buf, "%s%2d%2d%02d  ", weekdays[simple_clock_widget_get_weekday(date_time.unit.year, date_time.unit.month, date_time.unit.day)], date_time.unit.day, date_time.unit.hour, date_time.unit.minute);
                 } else {
                     sprintf(buf, "%s%2d%2d%02d%02d", weekdays[simple_clock_widget_get_weekday(date_time.unit.year, date_time.unit.month, date_time.unit.day)], date_time.unit.day, date_time.unit.hour, date_time.unit.minute, date_time.unit.second);

launcher/widgets/clock/simple_clock_widget.h

@@ -5,7 +5,7 @@
 
 void simple_clock_widget_setup(LauncherSettings *settings, void ** context_ptr);
 void simple_clock_widget_activate(LauncherSettings *settings, void *context);
-void simple_clock_widget_loop(LauncherEvent event, LauncherSettings *settings, uint8_t subsecond, void *context);
+void simple_clock_widget_loop(LauncherEvent event, LauncherSettings *settings, void *context);
 void simple_clock_widget_resign(LauncherSettings *settings, void *context);
 
 uint8_t simple_clock_widget_get_weekday(uint16_t day, uint16_t month, uint16_t year);

launcher/widgets/fake_widget_1.c

@@ -11,14 +11,13 @@ void fake_widget_1_activate(LauncherSettings *settings, void *context) {
     (void) context;
 }
 
-void fake_widget_1_loop(LauncherEvent event, LauncherSettings *settings, uint8_t subsecond, void *context) {
+void fake_widget_1_loop(LauncherEvent event, LauncherSettings *settings, void *context) {
     printf("fake_widget_1_loop\n");
     (void) settings;
-    (void) subsecond;
     (void) context;
     watch_display_string("W1 d get01", 0);
 
-    switch (event) {
+    switch (event.bit.event_type) {
         case EVENT_MODE_BUTTON_UP:
             launcher_move_to_next_widget();
             return;

launcher/widgets/fake_widget_1.h

@@ -5,7 +5,7 @@
 
 void fake_widget_1_setup(LauncherSettings *settings, void ** context_ptr);
 void fake_widget_1_activate(LauncherSettings *settings, void *context);
-void fake_widget_1_loop(LauncherEvent event, LauncherSettings *settings, uint8_t subsecond, void *context);
+void fake_widget_1_loop(LauncherEvent event, LauncherSettings *settings, void *context);
 void fake_widget_1_resign(LauncherSettings *settings, void *context);
 
 #define fake_widget_1 { \

launcher/widgets/fake_widget_2.c

@@ -11,14 +11,13 @@ void fake_widget_2_activate(LauncherSettings *settings, void *context) {
     (void) context;
 }
 
-void fake_widget_2_loop(LauncherEvent event, LauncherSettings *settings, uint8_t subsecond, void *context) {
+void fake_widget_2_loop(LauncherEvent event, LauncherSettings *settings, void *context) {
     printf("fake_widget_2_loop\n");
     (void) settings;
-    (void) subsecond;
     (void) context;
     watch_display_string("W1 d get02", 0);
 
-    switch (event) {
+    switch (event.bit.event_type) {
         case EVENT_MODE_BUTTON_UP:
             launcher_move_to_next_widget();
             return;

launcher/widgets/fake_widget_2.h

@@ -5,7 +5,7 @@
 
 void fake_widget_2_setup(LauncherSettings *settings, void ** context_ptr);
 void fake_widget_2_activate(LauncherSettings *settings, void *context);
-void fake_widget_2_loop(LauncherEvent event, LauncherSettings *settings, uint8_t subsecond, void *context);
+void fake_widget_2_loop(LauncherEvent event, LauncherSettings *settings, void *context);
 void fake_widget_2_resign(LauncherSettings *settings, void *context);
 
 #define fake_widget_2 { \

launcher/widgets/settings/preferences_widget.c

@@ -16,12 +16,12 @@ void preferences_widget_activate(LauncherSettings *settings, void *context) {
     launcher_request_tick_frequency(4); // we need to manually blink some pixels
 }
 
-void preferences_widget_loop(LauncherEvent event, LauncherSettings *settings, uint8_t subsecond, void *context) {
+void preferences_widget_loop(LauncherEvent event, LauncherSettings *settings, void *context) {
     (void) settings;
     (void) context;
     printf("preferences_widget_loop\n");
     uint8_t current_page = *((uint8_t *)context);
-    switch (event) {
+    switch (event.bit.event_type) {
         case EVENT_MODE_BUTTON_UP:
             launcher_move_to_next_widget();
             return;
@@ -63,7 +63,7 @@ void preferences_widget_loop(LauncherEvent event, LauncherSettings *settings, ui
         watch_set_led_off();
     }
 
-    if (subsecond % 2) return;
+    if (event.bit.subsecond % 2) return;
     char buf[3];
     switch (current_page) {
         case 0:

launcher/widgets/settings/preferences_widget.h

@@ -5,7 +5,7 @@
 
 void preferences_widget_setup(LauncherSettings *settings, void ** context_ptr);
 void preferences_widget_activate(LauncherSettings *settings, void *context);
-void preferences_widget_loop(LauncherEvent event, LauncherSettings *settings, uint8_t subsecond, void *context);
+void preferences_widget_loop(LauncherEvent event, LauncherSettings *settings, void *context);
 void preferences_widget_resign(LauncherSettings *settings, void *context);
 
 #define preferences_widget { \