Mark declined invitations and stop planning their reminders (#180)

app/src/main/java/de/jeanlucmakiola/calendula/data/calendar/InstanceMapper.kt

@@ -1,6 +1,7 @@
 package de.jeanlucmakiola.calendula.data.calendar
 
 import de.jeanlucmakiola.floret.time.toKotlinInstantFromEpochMillis
+import android.provider.CalendarContract
 import android.util.Log
 import de.jeanlucmakiola.calendula.domain.EventInstance
 
@@ -38,5 +39,7 @@ internal fun ColumnReader.toEventInstance(): EventInstance? {
         isAllDay = getInt(InstanceProjection.IDX_ALL_DAY) != 0,
         color = color,
         location = getString(InstanceProjection.IDX_LOCATION),
+        isDeclined = getInt(InstanceProjection.IDX_SELF_ATTENDEE_STATUS) ==
+            CalendarContract.Attendees.ATTENDEE_STATUS_DECLINED,
     )
 }

app/src/main/java/de/jeanlucmakiola/calendula/data/calendar/Projections.kt

@@ -52,6 +52,7 @@ internal object InstanceProjection {
         CalendarContract.Instances.EVENT_COLOR,
         CalendarContract.Instances.CALENDAR_COLOR,
         CalendarContract.Instances.EVENT_LOCATION,
+        CalendarContract.Instances.SELF_ATTENDEE_STATUS,
     )
 
     const val IDX_INSTANCE_ID = 0
@@ -64,6 +65,7 @@ internal object InstanceProjection {
     const val IDX_EVENT_COLOR = 7
     const val IDX_CALENDAR_COLOR = 8
     const val IDX_LOCATION = 9
+    const val IDX_SELF_ATTENDEE_STATUS = 10
 }
 
 internal object EventDetailProjection {
@@ -182,6 +184,7 @@ internal object SearchProjection {
         CalendarContract.Events.RDATE,
         // Excerpted, not just filtered on: a hit has to show what it matched.
         CalendarContract.Events.DESCRIPTION,
+        CalendarContract.Events.SELF_ATTENDEE_STATUS,
     )
 
     const val IDX_ID = 0
@@ -197,6 +200,7 @@ internal object SearchProjection {
     const val IDX_RRULE = 10
     const val IDX_RDATE = 11
     const val IDX_DESCRIPTION = 12
+    const val IDX_SELF_ATTENDEE_STATUS = 13
 }
 
 /**

app/src/main/java/de/jeanlucmakiola/calendula/data/calendar/SearchMapper.kt

@@ -1,5 +1,6 @@
 package de.jeanlucmakiola.calendula.data.calendar
 
+import android.provider.CalendarContract
 import de.jeanlucmakiola.floret.time.toKotlinInstantFromEpochMillis
 import de.jeanlucmakiola.calendula.domain.EventInstance
 import de.jeanlucmakiola.calendula.domain.ics.parseRfc2445DurationMillis
@@ -42,5 +43,7 @@ internal fun ColumnReader.toSearchResult(): EventInstance? {
         location = getString(SearchProjection.IDX_LOCATION),
         isRecurring = !getString(SearchProjection.IDX_RRULE).isNullOrEmpty() ||
             !getString(SearchProjection.IDX_RDATE).isNullOrEmpty(),
+        isDeclined = getInt(SearchProjection.IDX_SELF_ATTENDEE_STATUS) ==
+            CalendarContract.Attendees.ATTENDEE_STATUS_DECLINED,
     )
 }

app/src/main/java/de/jeanlucmakiola/calendula/data/reminders/ReminderInstanceSource.kt

@@ -44,9 +44,16 @@ class ProviderReminderInstanceSource @Inject constructor(
         // `visible` is the flag the app's one visibility model writes (#75).
         // The status clause mirrors CalendarDataSource.instances: NULL means
         // "normal", so a bare `!= CANCELED` would drop every ordinary event.
+        // An invitation the user declined is answered — it stays on the calendar
+        // struck through, but it plans nothing (#180). NULL again means "no
+        // answer recorded", which is not a "no".
         val selection = "${CalendarContract.Calendars.VISIBLE} = 1 AND " +
             "(${CalendarContract.Instances.STATUS} IS NULL OR " +
-            "${CalendarContract.Instances.STATUS} != ${CalendarContract.Events.STATUS_CANCELED})"
+            "${CalendarContract.Instances.STATUS} != " +
+            "${CalendarContract.Events.STATUS_CANCELED}) AND " +
+            "(${CalendarContract.Instances.SELF_ATTENDEE_STATUS} IS NULL OR " +
+            "${CalendarContract.Instances.SELF_ATTENDEE_STATUS} != " +
+            "${CalendarContract.Attendees.ATTENDEE_STATUS_DECLINED})"
         return context.contentResolver.query(
             uri, OCCURRENCE_PROJECTION, selection, null, null,
         )?.use { c ->

app/src/main/java/de/jeanlucmakiola/calendula/domain/Models.kt

@@ -67,6 +67,13 @@ data class EventInstance(
      * Instances query already yields one row per occurrence.
      */
     val isRecurring: Boolean = false,
+    /**
+     * This device user answered "no" to the invitation
+     * (`Events.SELF_ATTENDEE_STATUS`). The event stays on the calendar — it is
+     * still an appointment someone expects an answer about — but every surface
+     * strikes it through, and it plans no reminders (#180).
+     */
+    val isDeclined: Boolean = false,
 )
 
 /**

app/src/main/java/de/jeanlucmakiola/calendula/ui/agenda/AgendaRows.kt

@@ -24,11 +24,13 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.alpha
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.AnnotatedString
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
 import de.jeanlucmakiola.calendula.R
 import de.jeanlucmakiola.calendula.domain.EventInstance
 import de.jeanlucmakiola.calendula.ui.common.EventDimAlpha
+import de.jeanlucmakiola.calendula.ui.common.declinedTitle
 import de.jeanlucmakiola.calendula.ui.common.LocalSoftenColors
 import de.jeanlucmakiola.calendula.ui.common.LocalUse24HourFormat
 import de.jeanlucmakiola.calendula.ui.common.eventAccent
@@ -129,8 +131,8 @@ internal fun AgendaEventRow(
     val title = event.title.ifBlank { stringResource(R.string.event_untitled) }
     GroupedRow(
         modifier = if (dimmed) modifier.alpha(EventDimAlpha) else modifier,
-        title = title,
+        title = declinedTitle(title, event.isDeclined),
-        summary = agendaTimeSummary(event, day, zone),
+        summary = AnnotatedString(agendaTimeSummary(event, day, zone)),
         position = position,
         minHeight = 64.dp,
         leading = {

app/src/main/java/de/jeanlucmakiola/calendula/ui/common/PastEvents.kt

@@ -1,6 +1,10 @@
 package de.jeanlucmakiola.calendula.ui.common
 
 import androidx.compose.runtime.compositionLocalOf
+import androidx.compose.ui.text.AnnotatedString
+import androidx.compose.ui.text.SpanStyle
+import androidx.compose.ui.text.buildAnnotatedString
+import androidx.compose.ui.text.style.TextDecoration
 import kotlin.time.Instant
 
 /**
@@ -14,3 +18,30 @@ val LocalDimCutoff = compositionLocalOf<Instant?> { null }
 
 /** Opacity applied to a completed/past event chip when it is dimmed. */
 const val EventDimAlpha = 0.4f
+
+/**
+ * How a declined invitation's title is struck through (#180) — the mark every
+ * surface uses to say "you answered no", chosen over hiding the event because it
+ * is still something the organiser expects you at. Null for everything else, so
+ * it drops straight into a `Text`'s `textDecoration`.
+ */
+fun declinedDecoration(isDeclined: Boolean): TextDecoration? =
+    if (isDeclined) TextDecoration.LineThrough else null
+
+/** [declinedDecoration] for the rows that take styled text rather than a `String`. */
+fun declinedTitle(title: String, isDeclined: Boolean): AnnotatedString = if (isDeclined) {
+    AnnotatedString(title, SpanStyle(textDecoration = TextDecoration.LineThrough))
+} else {
+    AnnotatedString(title)
+}
+
+/** [declinedTitle] over already-styled text, e.g. a search hit's marked runs. */
+fun declinedTitle(title: AnnotatedString, isDeclined: Boolean): AnnotatedString =
+    if (!isDeclined) {
+        title
+    } else {
+        buildAnnotatedString {
+            append(title)
+            addStyle(SpanStyle(textDecoration = TextDecoration.LineThrough), 0, title.length)
+        }
+    }

app/src/main/java/de/jeanlucmakiola/calendula/ui/day/DayScreen.kt

@@ -106,6 +106,7 @@ import de.jeanlucmakiola.calendula.ui.common.next
 import de.jeanlucmakiola.calendula.ui.common.LocalSoftenColors
 import de.jeanlucmakiola.calendula.ui.common.eventFill
 import de.jeanlucmakiola.calendula.ui.common.eventInk
+import de.jeanlucmakiola.calendula.ui.common.declinedDecoration
 import de.jeanlucmakiola.calendula.ui.common.rememberCalendarSlideSpec
 import de.jeanlucmakiola.floret.locale.currentLocale
 import de.jeanlucmakiola.calendula.ui.common.LocalUse24HourFormat
@@ -525,6 +526,7 @@ private fun AllDayBar(
             maxLines = 1,
             overflow = TextOverflow.Ellipsis,
             color = eventInk(fill),
+            textDecoration = declinedDecoration(event.isDeclined),
         )
     }
 }
@@ -772,6 +774,7 @@ private fun EventBlock(
                     maxLines = if (showTime) 1 else 2,
                     overflow = TextOverflow.Ellipsis,
                     color = eventInk(fill, alpha = 0.85f),
+                    textDecoration = declinedDecoration(block.event.isDeclined),
                 )
             }
             if (showTime) {

app/src/main/java/de/jeanlucmakiola/calendula/ui/month/MonthScreen.kt

@@ -19,8 +19,6 @@ import androidx.compose.animation.togetherWith
 import androidx.compose.foundation.background
 import androidx.compose.foundation.border
 import androidx.compose.foundation.clickable
-import androidx.compose.foundation.gestures.awaitEachGesture
-import androidx.compose.foundation.gestures.awaitFirstDown
 import androidx.compose.foundation.gestures.detectDragGestures
 import androidx.compose.foundation.isSystemInDarkTheme
 import androidx.compose.foundation.layout.Arrangement
@@ -113,7 +111,6 @@ import androidx.compose.ui.geometry.Size
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.drawscope.Stroke
 import androidx.compose.ui.input.nestedscroll.nestedScroll
-import androidx.compose.ui.input.pointer.PointerEventPass
 import androidx.compose.ui.input.pointer.pointerInput
 import androidx.compose.ui.platform.LocalDensity
 import androidx.compose.ui.res.stringResource
@@ -141,6 +138,7 @@ import de.jeanlucmakiola.calendula.ui.common.CALENDAR_SWIPE_THRESHOLD
 import de.jeanlucmakiola.calendula.ui.common.CalendarView
 import de.jeanlucmakiola.calendula.ui.common.IMPLEMENTED_VIEWS
 import de.jeanlucmakiola.calendula.ui.common.EventDimAlpha
+import de.jeanlucmakiola.calendula.ui.common.declinedDecoration
 import de.jeanlucmakiola.calendula.ui.common.LocalDimCutoff
 import de.jeanlucmakiola.calendula.ui.common.LocalSoftenColors
 import de.jeanlucmakiola.calendula.ui.common.eventAccent
@@ -442,7 +440,6 @@ fun MonthScreen(
                             showWeekNumbers = showWeekNumbers,
                             onRetry = jumpToToday,
                             onOpenDay = onOpenDay,
-                            onEventClick = onEventClick,
                         )
                     } else if (viewStyle == MonthViewStyle.Split) {
                         SplitMonthContent(
@@ -467,7 +464,6 @@ fun MonthScreen(
                             onSwipePrev = goPrev,
                             onRetry = jumpToToday,
                             onOpenDay = onOpenDay,
-                            onEventClick = onEventClick,
                         )
                     }
                 }
@@ -578,7 +574,6 @@ private fun MonthContent(
     onSwipePrev: () -> Unit,
     onRetry: () -> Unit,
     onOpenDay: (LocalDate) -> Unit,
-    onEventClick: (EventInstance) -> Unit,
 ) {
     val slideSpec = rememberCalendarSlideSpec()
     val fadeSpec = rememberCalendarFadeSpec()
@@ -605,7 +600,6 @@ private fun MonthContent(
                 state = s,
                 showWeekNumbers = showWeekNumbers,
                 onOpenDay = onOpenDay,
-                onEventClick = onEventClick,
             )
         }
     }
@@ -624,7 +618,6 @@ private fun ContinuousMonthContent(
     showWeekNumbers: Boolean,
     onRetry: () -> Unit,
     onOpenDay: (LocalDate) -> Unit,
-    onEventClick: (EventInstance) -> Unit,
 ) {
     when (state) {
         // The scrolling styles get their own skeleton rather than the paged
@@ -639,7 +632,6 @@ private fun ContinuousMonthContent(
                 listState = listState,
                 showWeekNumbers = showWeekNumbers,
                 onOpenDay = onOpenDay,
-                onEventClick = onEventClick,
             )
         } else {
             ContinuousMonthGrid(
@@ -647,7 +639,6 @@ private fun ContinuousMonthContent(
                 listState = listState,
                 showWeekNumbers = showWeekNumbers,
                 onOpenDay = onOpenDay,
-                onEventClick = onEventClick,
             )
         }
     }
@@ -746,8 +737,7 @@ private val CELL_SHAPE = RoundedCornerShape(CELL_CORNER)
 
 /** Width of the split style's selected-day outline. */
 private val SPLIT_SELECTION_STROKE = 1.5.dp
-/** Lanes of bars/pills a day cell draws before the rest become overflow dots. */
+private const val MAX_EVENT_ROWS = 3
-internal const val MAX_EVENT_ROWS = 3
 
 /**
  * Row height in the continuous grid. The paged grid divides the viewport between
@@ -770,7 +760,6 @@ internal fun MonthGrid(
     state: MonthUiState.Success,
     showWeekNumbers: Boolean,
     onOpenDay: (LocalDate) -> Unit,
-    onEventClick: (EventInstance) -> Unit,
     /** See [MonthWeekRow]'s `selected`: an anchor for the morph, never a mark. */
     selected: LocalDate? = null,
 ) {
@@ -791,7 +780,6 @@ internal fun MonthGrid(
                 inMonth = { it.month == month.month && it.year == month.year },
                 showWeekNumbers = showWeekNumbers,
                 onOpenDay = onOpenDay,
-                onEventClick = onEventClick,
                 selected = selected,
                 modifier = Modifier
                     .fillMaxWidth()
@@ -822,7 +810,6 @@ internal fun ContinuousMonthGrid(
     listState: LazyListState,
     showWeekNumbers: Boolean,
     onOpenDay: (LocalDate) -> Unit,
-    onEventClick: (EventInstance) -> Unit,
     modifier: Modifier = Modifier,
 ) {
     val monthCount = remember { continuousMonthCount() }
@@ -850,7 +837,6 @@ internal fun ContinuousMonthGrid(
                     today = state.today,
                     showWeekNumbers = showWeekNumbers,
                     onOpenDay = onOpenDay,
-                    onEventClick = onEventClick,
                 )
             }
         }
@@ -870,7 +856,6 @@ private fun ContinuousMonthBlock(
     today: LocalDate,
     showWeekNumbers: Boolean,
     onOpenDay: (LocalDate) -> Unit,
-    onEventClick: (EventInstance) -> Unit,
 ) {
     val rowCount = remember(month, weekStart) { weekRowsInMonth(month, weekStart) }
     Column(
@@ -893,7 +878,6 @@ private fun ContinuousMonthBlock(
                     blankOutside = true,
                     showWeekNumbers = showWeekNumbers,
                     onOpenDay = onOpenDay,
-                    onEventClick = onEventClick,
                     modifier = Modifier
                         .fillMaxWidth()
                         .height(CONTINUOUS_ROW_HEIGHT),
@@ -952,7 +936,6 @@ internal fun DenseMonthGrid(
     listState: LazyListState,
     showWeekNumbers: Boolean,
     onOpenDay: (LocalDate) -> Unit,
-    onEventClick: (EventInstance) -> Unit,
     modifier: Modifier = Modifier,
 ) {
     val weekCount = remember(state.weekStart) { continuousWeekCount(state.weekStart) }
@@ -978,7 +961,6 @@ internal fun DenseMonthGrid(
                     inMonth = { true },
                     showWeekNumbers = showWeekNumbers,
                     onOpenDay = onOpenDay,
-                    onEventClick = onEventClick,
                     labelMonthOnFirst = true,
                     modifier = Modifier
                         .fillMaxWidth()
@@ -1206,9 +1188,6 @@ private fun SplitMonthBody(
                 onSelectDay(it)
                 onSetExpanded(false)
             },
-            // A tapped chip is asking for that event, not for its day, so it
-            // opens the detail from here too rather than collapsing (#187).
-            onEventClick = onEventClick,
             onCollapse = { onSetExpanded(false) },
         )
     } else {
@@ -1309,7 +1288,6 @@ private fun SplitMonthExpanded(
     showWeekNumbers: Boolean,
     swipeModifier: Modifier,
     onPickDay: (LocalDate) -> Unit,
-    onEventClick: (EventInstance) -> Unit,
     onCollapse: () -> Unit,
 ) {
     val slideSpec = rememberCalendarSlideSpec()
@@ -1332,7 +1310,6 @@ private fun SplitMonthExpanded(
                 state = s,
                 showWeekNumbers = showWeekNumbers,
                 onOpenDay = onPickDay,
-                onEventClick = onEventClick,
                 selected = sel,
             )
         }
@@ -1861,7 +1838,6 @@ private fun MonthWeekRow(
     inMonth: (LocalDate) -> Boolean,
     showWeekNumbers: Boolean,
     onOpenDay: (LocalDate) -> Unit,
-    onEventClick: (EventInstance) -> Unit,
     modifier: Modifier = Modifier,
     blankOutside: Boolean = false,
     labelMonthOnFirst: Boolean = false,
@@ -2160,17 +2136,11 @@ private fun MonthWeekRow(
                 }
             }
 
-            // Tap layer: a tap on a chip opens that event, anything else opens the
+            // Tap layer: in month view a tap on any day opens that day. Padded and
-            // day (#187). The chips take no pointer input of their own — this
-            // layer covers them — so the lane under the finger is resolved
-            // geometrically, exactly as the drag pickup above does it; the down
-            // position is read on the initial pass, which consumes nothing and so
-            // leaves both the click and a pickup in flight untouched. Padded and
             // clipped to the background pill so the ripple matches it. A blanked
             // cell isn't part of this month, so it takes no taps either.
-            val downY = remember(week.days.size) { FloatArray(week.days.size) }
             Row(Modifier.matchParentSize()) {
-                week.days.forEachIndexed { col, d ->
+                week.days.forEach { d ->
                     if (blankOutside && !inMonth(d)) {
                         Spacer(Modifier.weight(1f).fillMaxHeight())
                     } else {
@@ -2178,28 +2148,9 @@ private fun MonthWeekRow(
                             Modifier
                                 .weight(1f)
                                 .fillMaxHeight()
-                                .pointerInput(col) {
-                                    awaitEachGesture {
-                                        downY[col] = awaitFirstDown(
-                                            requireUnconsumed = false,
-                                            pass = PointerEventPass.Initial,
-                                        ).position.y
-                                    }
-                                }
                                 .padding(horizontal = CELL_GAP, vertical = 1.dp)
                                 .clip(CELL_SHAPE)
-                                .clickable {
+                                .clickable { onOpenDay(d) },
-                                    val chip = week.chipAtCellY(
-                                        col = col,
-                                        cellY = downY[col],
-                                        bandTopInCell = bandTopInCell(
-                                            cellCoordinates,
-                                            bandCoordinates,
-                                        ),
-                                        rowHeightPx = rowHeightPx,
-                                    )
-                                    if (chip != null) onEventClick(chip) else onOpenDay(d)
-                                },
                         )
                     }
                 }
@@ -2208,38 +2159,6 @@ private fun MonthWeekRow(
     }
 }
 
-/**
- * How far the event band sits below the top of the row's day-column box, or null
- * while either is unmeasured. Read off the live coordinates rather than summed
- * from the padding constants, so it can't drift from what the row actually drew.
- */
-private fun bandTopInCell(
-    cell: Array<LayoutCoordinates?>,
-    band: Array<LayoutCoordinates?>,
-): Float? {
-    val cellTop = cell[0]?.takeIf { it.isAttached }?.positionInRoot()?.y ?: return null
-    val bandTop = band[0]?.takeIf { it.isAttached }?.positionInRoot()?.y ?: return null
-    return bandTop - cellTop
-}
-
-/**
- * The chip at [cellY] in column [col], where [cellY] is measured from the top of
- * the row's day-column box. Null for a tap above the band (the day number), on an
- * empty lane, or on the overflow dots — all of which mean "open the day", the
- * dots included: their point is that the day holds more than fits.
- */
-internal fun MonthWeek.chipAtCellY(
-    col: Int,
-    cellY: Float,
-    bandTopInCell: Float?,
-    rowHeightPx: Float,
-): EventInstance? {
-    if (bandTopInCell == null || rowHeightPx <= 0f) return null
-    val bandY = cellY - bandTopInCell
-    if (bandY < 0f) return null
-    return chipAt(col, (bandY / rowHeightPx).toInt(), MAX_EVENT_ROWS)
-}
-
 /**
  * The row-level pickup for month chips: resolves which chip the press landed on
  * from the geometry the row just laid out, and abandons the gesture on empty
@@ -2440,6 +2359,7 @@ private fun MonthBar(
             maxLines = 1,
             overflow = TextOverflow.Ellipsis,
             color = eventInk(fill),
+            textDecoration = declinedDecoration(event.isDeclined),
         )
     }
 }

app/src/main/java/de/jeanlucmakiola/calendula/ui/month/MonthStylePreview.kt

@@ -45,7 +45,6 @@ internal fun MonthStylePreview(
                 state = sample.month,
                 showWeekNumbers = false,
                 onOpenDay = {},
-                onEventClick = {},
             )
             MonthViewStyle.Continuous -> ContinuousMonthGrid(
                 state = sample.continuous,
@@ -56,7 +55,6 @@ internal fun MonthStylePreview(
                 ),
                 showWeekNumbers = false,
                 onOpenDay = {},
-                onEventClick = {},
             )
             MonthViewStyle.Dense -> DenseMonthGrid(
                 state = sample.continuous,
@@ -68,7 +66,6 @@ internal fun MonthStylePreview(
                 ),
                 showWeekNumbers = false,
                 onOpenDay = {},
-                onEventClick = {},
             )
             MonthViewStyle.Split -> {
                 SplitMonthGrid(

app/src/main/java/de/jeanlucmakiola/calendula/ui/search/SearchScreen.kt

@@ -85,6 +85,7 @@ import de.jeanlucmakiola.calendula.domain.SearchMonth
 import de.jeanlucmakiola.floret.identity.animateItemMotion
 import de.jeanlucmakiola.floret.identity.fadeThrough
 import de.jeanlucmakiola.floret.identity.predictiveBack
+import de.jeanlucmakiola.calendula.ui.common.declinedTitle
 import de.jeanlucmakiola.floret.components.GroupedRow
 import de.jeanlucmakiola.floret.components.InlineTextField
 import de.jeanlucmakiola.floret.components.Position
@@ -519,7 +520,7 @@ private fun SearchResultRow(
         // Faded like a past event anywhere else in the app — search reaches back
         // through the whole history.
         modifier = if (hit.isPast) modifier.alpha(EventDimAlpha) else modifier,
-        title = marked(event.title, hit.titleSpans, highlight),
+        title = declinedTitle(marked(event.title, hit.titleSpans, highlight), event.isDeclined),
         summary = searchSummary(hit, highlight),
         position = position,
         minHeight = 64.dp,

app/src/main/java/de/jeanlucmakiola/calendula/ui/week/WeekScreen.kt

@@ -90,6 +90,7 @@ import de.jeanlucmakiola.calendula.ui.common.CalendarFailure
 import de.jeanlucmakiola.calendula.ui.common.CalendarView
 import de.jeanlucmakiola.calendula.ui.common.IMPLEMENTED_VIEWS
 import de.jeanlucmakiola.calendula.ui.common.EventDimAlpha
+import de.jeanlucmakiola.calendula.ui.common.declinedDecoration
 import de.jeanlucmakiola.calendula.ui.common.BlockTimeLabel
 import de.jeanlucmakiola.calendula.ui.common.animatedBlockPlacement
 import de.jeanlucmakiola.calendula.ui.common.ghostAlpha
@@ -662,6 +663,7 @@ private fun AllDayBar(
             maxLines = 1,
             overflow = TextOverflow.Ellipsis,
             color = eventInk(fill),
+            textDecoration = declinedDecoration(event.isDeclined),
         )
     }
 }
@@ -940,6 +942,7 @@ private fun EventBlock(
                     maxLines = titleMaxLines,
                     overflow = TextOverflow.Ellipsis,
                     color = eventInk(fill, alpha = 0.85f),
+                    textDecoration = declinedDecoration(block.event.isDeclined),
                 )
             }
             if (showTime) {

app/src/main/java/de/jeanlucmakiola/calendula/widget/WidgetTheme.kt

@@ -4,6 +4,7 @@ import android.os.Build
 import androidx.compose.runtime.Composable
 import androidx.glance.GlanceTheme
 import androidx.glance.material3.ColorProviders
+import androidx.glance.text.TextDecoration
 import de.jeanlucmakiola.calendula.ui.theme.CalendulaDarkFallback
 import de.jeanlucmakiola.calendula.ui.theme.CalendulaLightFallback
 
@@ -34,3 +35,10 @@ fun CalendulaGlanceTheme(content: @Composable () -> Unit) {
     }
     GlanceTheme(colors = colors, content = content)
 }
+
+/**
+ * Glance's counterpart to the app's `declinedDecoration`: a declined invitation
+ * reads the same on the home screen as it does inside the app (#180).
+ */
+fun glanceDeclinedDecoration(isDeclined: Boolean): TextDecoration =
+    if (isDeclined) TextDecoration.LineThrough else TextDecoration.None

app/src/main/java/de/jeanlucmakiola/calendula/widget/agenda/AgendaWidget.kt

@@ -1,5 +1,6 @@
 package de.jeanlucmakiola.calendula.widget.agenda
 
+import de.jeanlucmakiola.calendula.widget.glanceDeclinedDecoration
 import android.content.Context
 import android.content.res.Configuration
 import androidx.compose.runtime.Composable
@@ -24,6 +25,7 @@ import androidx.glance.appwidget.cornerRadius
 import androidx.glance.appwidget.lazy.LazyColumn
 import androidx.glance.appwidget.lazy.items
 import androidx.glance.appwidget.provideContent
+import androidx.glance.appwidget.updateAll
 import androidx.glance.background
 import androidx.glance.currentState
 import androidx.glance.state.PreferencesGlanceStateDefinition
@@ -134,14 +136,10 @@ class AgendaWidget : GlanceAppWidget() {
     }
 }
 
-/**
+/** Re-reads the calendar and redraws the widget (header refresh button). */
- * Re-reads the calendar and redraws the widget (header refresh button). Targets
- * the tapped widget's own id rather than `updateAll`, whose provider-name lookup
- * is empty in a process a tap woke from cold — see `ShiftMonthAction` (#18).
- */
 class RefreshAgendaAction : ActionCallback {
     override suspend fun onAction(context: Context, glanceId: GlanceId, parameters: ActionParameters) {
-        AgendaWidget().update(context.applicationContext, glanceId)
+        AgendaWidget().updateAll(context.applicationContext)
     }
 }
 
@@ -419,7 +417,11 @@ private fun EventRow(
             Text(
                 text = title,
                 maxLines = 1,
-                style = TextStyle(color = titleColor, fontSize = metrics.eventTitle),
+                style = TextStyle(
+                    color = titleColor,
+                    fontSize = metrics.eventTitle,
+                    textDecoration = glanceDeclinedDecoration(event.isDeclined),
+                ),
             )
             Text(
                 text = eventTimeSummary(context, event, day, is24Hour),

app/src/main/java/de/jeanlucmakiola/calendula/widget/month/MonthWidget.kt

@@ -1,5 +1,6 @@
 package de.jeanlucmakiola.calendula.widget.month
 
+import de.jeanlucmakiola.calendula.widget.glanceDeclinedDecoration
 import android.content.Context
 import android.content.res.Configuration
 import androidx.compose.runtime.Composable
@@ -25,6 +26,7 @@ import androidx.glance.appwidget.action.actionStartActivity
 import androidx.glance.appwidget.cornerRadius
 import androidx.glance.appwidget.provideContent
 import androidx.glance.appwidget.state.updateAppWidgetState
+import androidx.glance.appwidget.updateAll
 import androidx.glance.background
 import androidx.glance.currentState
 import androidx.glance.layout.Alignment
@@ -117,17 +119,7 @@ class MonthWidget : GlanceAppWidget() {
     }
 }
 
-/**
+/** Step the displayed month by the `delta` action parameter (±1). */
- * Step the displayed month by the `delta` action parameter (±1).
- *
- * Redrawn through [GlanceAppWidget.update] with the id the callback was handed,
- * never `updateAll`. `updateAll` resolves its targets through the provider-name
- * -> app-widget-id map Glance persists for the *receiver*, and in a process that
- * has done nothing else yet — the one a tap wakes after a reboot — that lookup
- * comes back empty and the redraw is dropped: the state write lands, nothing
- * recomposes, and the arrows read as dead until something else opens the app and
- * starts a session (#18). The tapped widget's own id needs no lookup.
- */
 class ShiftMonthAction : ActionCallback {
     override suspend fun onAction(context: Context, glanceId: GlanceId, parameters: ActionParameters) {
         val delta = parameters[deltaKey] ?: 0
@@ -135,7 +127,7 @@ class ShiftMonthAction : ActionCallback {
             val cur = prefs[MONTH_INDEX_KEY] ?: currentMonthIndex(systemZone())
             prefs[MONTH_INDEX_KEY] = cur + delta
         }
-        MonthWidget().update(context.applicationContext, glanceId)
+        MonthWidget().updateAll(context.applicationContext)
     }
 
     companion object {
@@ -143,11 +135,11 @@ class ShiftMonthAction : ActionCallback {
     }
 }
 
-/** Jump the displayed month back to the current month. See [ShiftMonthAction]. */
+/** Jump the displayed month back to the current month. */
 class ResetMonthAction : ActionCallback {
     override suspend fun onAction(context: Context, glanceId: GlanceId, parameters: ActionParameters) {
         updateAppWidgetState(context, glanceId) { prefs -> prefs.remove(MONTH_INDEX_KEY) }
-        MonthWidget().update(context.applicationContext, glanceId)
+        MonthWidget().updateAll(context.applicationContext)
     }
 }
 
@@ -423,7 +415,11 @@ private fun SpanBar(event: EventInstance, dark: Boolean, soften: Boolean, width:
             Text(
                 text = event.title.ifBlank { context.getString(R.string.event_untitled) },
                 maxLines = 1,
-                style = TextStyle(color = ColorProvider(eventInk(fill)), fontSize = 9.sp),
+                style = TextStyle(
+                    color = ColorProvider(eventInk(fill)),
+                    fontSize = 9.sp,
+                    textDecoration = glanceDeclinedDecoration(event.isDeclined),
+                ),
                 modifier = GlanceModifier.padding(horizontal = 3.dp),
             )
         }

app/src/test/java/de/jeanlucmakiola/calendula/data/calendar/InstanceMapperTest.kt

@@ -1,5 +1,6 @@
 package de.jeanlucmakiola.calendula.data.calendar
 
+import android.provider.CalendarContract
 import com.google.common.truth.Truth.assertThat
 import kotlin.time.Instant
 import org.junit.jupiter.api.Test
@@ -17,6 +18,7 @@ class InstanceMapperTest {
         eventColor: Any? = null,
         calendarColor: Int = 0xFFAABBCC.toInt(),
         location: String? = null,
+        selfAttendeeStatus: Int = CalendarContract.Attendees.ATTENDEE_STATUS_NONE,
     ): MapColumnReader = MapColumnReader(
         InstanceProjection.IDX_INSTANCE_ID to instanceId,
         InstanceProjection.IDX_EVENT_ID to eventId,
@@ -28,6 +30,7 @@ class InstanceMapperTest {
         InstanceProjection.IDX_EVENT_COLOR to eventColor,
         InstanceProjection.IDX_CALENDAR_COLOR to calendarColor,
         InstanceProjection.IDX_LOCATION to location,
+        InstanceProjection.IDX_SELF_ATTENDEE_STATUS to selfAttendeeStatus,
     )
 
     @Test
@@ -90,4 +93,20 @@ class InstanceMapperTest {
         val inst = reader(location = "Berlin").toEventInstance()
         assertThat(inst!!.location).isEqualTo("Berlin")
     }
+
+    @Test
+    fun `a declined invitation is marked, any other answer is not`() {
+        assertThat(reader().toEventInstance()!!.isDeclined).isFalse()
+        assertThat(
+            reader(selfAttendeeStatus = CalendarContract.Attendees.ATTENDEE_STATUS_DECLINED)
+                .toEventInstance()!!.isDeclined,
+        ).isTrue()
+        listOf(
+            CalendarContract.Attendees.ATTENDEE_STATUS_ACCEPTED,
+            CalendarContract.Attendees.ATTENDEE_STATUS_TENTATIVE,
+            CalendarContract.Attendees.ATTENDEE_STATUS_INVITED,
+        ).forEach { status ->
+            assertThat(reader(selfAttendeeStatus = status).toEventInstance()!!.isDeclined).isFalse()
+        }
+    }
 }

app/src/test/java/de/jeanlucmakiola/calendula/ui/month/ChipAtCellYTest.kt

@@ -1,122 +0,0 @@
-package de.jeanlucmakiola.calendula.ui.month
-
-import com.google.common.truth.Truth.assertThat
-import de.jeanlucmakiola.calendula.domain.EventInstance
-import kotlinx.datetime.DateTimeUnit
-import kotlinx.datetime.DayOfWeek
-import kotlinx.datetime.LocalDate
-import kotlinx.datetime.Month
-import kotlinx.datetime.TimeZone
-import kotlinx.datetime.YearMonth
-import kotlinx.datetime.atTime
-import kotlinx.datetime.plus
-import kotlinx.datetime.toInstant
-import org.junit.jupiter.api.Test
-
-/**
- * Which chip a tap in a month cell lands on (#187) — the geometry the tap layer
- * uses to tell "open this event" from "open this day", given that the chips take
- * no pointer input of their own.
- */
-class ChipAtCellYTest {
-
-    private val zone = TimeZone.UTC
-    private val jul26 = YearMonth(2026, Month.JULY)
-
-    /** Band starts 40px down the cell; each lane is 20px tall. */
-    private val bandTop = 40f
-    private val laneHeight = 20f
-
-    /** July 2026 starts on a Wednesday, so this row — Jul 6–12 — sits wholly inside it. */
-    private fun rowOfJuly6(events: List<EventInstance>) =
-        layoutMonthWeeks(jul26, DayOfWeek.MONDAY, events, zone)[1]
-
-    private fun allDay(from: LocalDate, toInclusive: LocalDate, id: Long) = EventInstance(
-        instanceId = id,
-        eventId = id,
-        calendarId = 1L,
-        title = "A$id",
-        start = from.atTime(0, 0).toInstant(zone),
-        end = toInclusive.plus(1, DateTimeUnit.DAY).atTime(0, 0).toInstant(zone),
-        isAllDay = true,
-        color = 0xFF2196F3.toInt(),
-        location = null,
-    )
-
-    private fun timed(date: LocalDate, hour: Int, id: Long) = EventInstance(
-        instanceId = id,
-        eventId = id,
-        calendarId = 1L,
-        title = "T$id",
-        start = date.atTime(hour, 0).toInstant(zone),
-        end = date.atTime(hour + 1, 0).toInstant(zone),
-        isAllDay = false,
-        color = 0xFFF44336.toInt(),
-        location = null,
-    )
-
-    private fun MonthWeek.chipAt(col: Int, cellY: Float) =
-        chipAtCellY(col = col, cellY = cellY, bandTopInCell = bandTop, rowHeightPx = laneHeight)
-
-    @Test
-    fun `a tap on a lane resolves to the chip seated there`() {
-        val bar = allDay(LocalDate(2026, 7, 7), LocalDate(2026, 7, 9), id = 1L)
-        val meeting = timed(LocalDate(2026, 7, 7), hour = 9, id = 2L)
-        val week = rowOfJuly6(listOf(bar, meeting))
-
-        // Jul 7 is column 1 of a Monday-anchored row starting Jul 6.
-        assertThat(week.chipAt(col = 1, cellY = bandTop + 5f)?.eventId).isEqualTo(1L)
-        assertThat(week.chipAt(col = 1, cellY = bandTop + laneHeight + 5f)?.eventId).isEqualTo(2L)
-    }
-
-    @Test
-    fun `a multi-day bar answers on every column it covers`() {
-        val bar = allDay(LocalDate(2026, 7, 7), LocalDate(2026, 7, 9), id = 1L)
-        val week = rowOfJuly6(listOf(bar))
-
-        (1..3).forEach { col ->
-            assertThat(week.chipAt(col = col, cellY = bandTop + 5f)?.eventId).isEqualTo(1L)
-        }
-        // Jul 10 is past the bar's last day.
-        assertThat(week.chipAt(col = 4, cellY = bandTop + 5f)).isNull()
-    }
-
-    @Test
-    fun `a tap above the band is the day number, not a chip`() {
-        val week = rowOfJuly6(listOf(timed(LocalDate(2026, 7, 7), hour = 9, id = 2L)))
-
-        assertThat(week.chipAt(col = 1, cellY = bandTop - 1f)).isNull()
-        assertThat(week.chipAt(col = 1, cellY = 0f)).isNull()
-    }
-
-    @Test
-    fun `a tap on an empty lane of a day that has chips falls through to the day`() {
-        val week = rowOfJuly6(listOf(timed(LocalDate(2026, 7, 7), hour = 9, id = 2L)))
-
-        assertThat(week.chipAt(col = 1, cellY = bandTop + laneHeight * 2 + 5f)).isNull()
-    }
-
-    @Test
-    fun `a tap on the overflow row opens the day rather than a hidden event`() {
-        val events = (1..MAX_EVENT_ROWS + 2).map {
-            timed(LocalDate(2026, 7, 7), hour = it, id = it.toLong())
-        }
-        val week = rowOfJuly6(events)
-
-        // The dots sit one lane below the last one the row draws.
-        val overflowY = bandTop + laneHeight * MAX_EVENT_ROWS + 2f
-        assertThat(week.chipAt(col = 1, cellY = overflowY)).isNull()
-    }
-
-    @Test
-    fun `unmeasured geometry resolves to no chip`() {
-        val week = rowOfJuly6(listOf(timed(LocalDate(2026, 7, 7), hour = 9, id = 2L)))
-
-        assertThat(
-            week.chipAtCellY(col = 1, cellY = 45f, bandTopInCell = null, rowHeightPx = laneHeight),
-        ).isNull()
-        assertThat(
-            week.chipAtCellY(col = 1, cellY = 45f, bandTopInCell = bandTop, rowHeightPx = 0f),
-        ).isNull()
-    }
-}