add new event button (widget + FAB), fix widget event row height

app/src/main/java/space/darkest/nova/android/ui/AgendaScreen.kt

@@ -16,20 +16,27 @@ import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
 import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Add
 import androidx.compose.material3.Card
 import androidx.compose.material3.CardDefaults
 import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.FloatingActionButton
+import androidx.compose.material3.Icon
 import androidx.compose.material3.LargeTopAppBar
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBarDefaults
 import androidx.compose.runtime.Composable
+import android.content.Intent
+import android.provider.CalendarContract
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.input.nestedscroll.nestedScroll
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
 import space.darkest.nova.android.data.AgendaDay
@@ -43,6 +50,7 @@ import java.util.Locale
 @Composable
 fun AgendaScreen(agenda: List<AgendaDay>) {
     val scrollBehavior = TopAppBarDefaults.exitUntilCollapsedScrollBehavior()
+    val context = LocalContext.current
 
     Scaffold(
         topBar = {
@@ -51,6 +59,17 @@ fun AgendaScreen(agenda: List<AgendaDay>) {
                 scrollBehavior = scrollBehavior,
             )
         },
+        floatingActionButton = {
+            FloatingActionButton(
+                onClick = {
+                    context.startActivity(Intent(Intent.ACTION_INSERT).apply {
+                        data = CalendarContract.Events.CONTENT_URI
+                    })
+                },
+            ) {
+                Icon(Icons.Default.Add, contentDescription = "New event")
+            }
+        },
         modifier = Modifier.nestedScroll(scrollBehavior.nestedScrollConnection),
     ) { innerPadding ->
         if (agenda.isEmpty()) {

app/src/main/java/space/darkest/nova/android/widget/AgendaWidget.kt

@@ -3,6 +3,7 @@ package space.darkest.nova.android.widget
 import android.content.Context
 import android.content.Intent
 import android.provider.CalendarContract
+import androidx.glance.appwidget.components.CircleIconButton
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
@@ -67,6 +68,15 @@ class AgendaWidget : GlanceAppWidget() {
                     startIcon = ImageProvider(android.R.drawable.ic_menu_my_calendar),
                     title = "Agenda",
                     textColor = GlanceTheme.colors.onSurface,
+                    actions = {
+                        CircleIconButton(
+                            imageProvider = ImageProvider(android.R.drawable.ic_input_add),
+                            contentDescription = "New event",
+                            contentColor = GlanceTheme.colors.onSurfaceVariant,
+                            backgroundColor = null,
+                            onClick = actionStartActivityIntent(newEventIntent()),
+                        )
+                    },
                 )
             },
             backgroundColor = GlanceTheme.colors.widgetBackground,
@@ -207,10 +217,10 @@ class AgendaWidget : GlanceAppWidget() {
 
             Spacer(GlanceModifier.width(8.dp))
 
-            // color indicator
+            // color indicator - height adapts to content via the row
             Box(
                 modifier = GlanceModifier
-                    .size(width = 3.dp, height = 36.dp)
+                    .width(3.dp)
                     .cornerRadius(2.dp)
                     .background(GlanceTheme.colors.primary),
             ) {}
@@ -244,6 +254,11 @@ class AgendaWidget : GlanceAppWidget() {
 
     companion object {
         private val timeFormatter = DateTimeFormatter.ofPattern("HH:mm")
+
+        private fun newEventIntent() = Intent(Intent.ACTION_INSERT).apply {
+            data = CalendarContract.Events.CONTENT_URI
+            flags = Intent.FLAG_ACTIVITY_NEW_TASK
+        }
     }
 }