Add dialog and notes indicator for HistoryChart

uhabits-core/src/commonMain/kotlin/org/isoron/platform/gui/View.kt

@@ -23,6 +23,8 @@ interface View {
     fun draw(canvas: Canvas)
     fun onClick(x: Double, y: Double) {
     }
+    fun onLongClick(x: Double, y: Double) {
+    }
 }
 
 interface DataView : View {

uhabits-core/src/jvmMain/java/org/isoron/uhabits/core/ui/screens/habits/show/views/HistoryCard.kt

@@ -46,6 +46,7 @@ data class HistoryCardState(
     val firstWeekday: DayOfWeek,
     val series: List<HistoryChart.Square>,
     val defaultSquare: HistoryChart.Square,
+    val hasNotes: List<Boolean>,
     val theme: Theme,
     val today: LocalDate,
 )
@@ -58,7 +59,7 @@ class HistoryCardPresenter(
     val screen: Screen,
 ) : OnDateClickedListener {
 
-    override fun onDateClicked(date: LocalDate) {
+    override fun onDateClicked(date: LocalDate, isLongClick: Boolean) {
         val timestamp = Timestamp.fromLocalDate(date)
         screen.showFeedback()
         if (habit.isNumerical) {
@@ -81,20 +82,34 @@ class HistoryCardPresenter(
             val entry = habit.computedEntries.get(timestamp)
             val currentValue = entry.value
             val notes = entry.notes
-            val nextValue = Entry.nextToggleValue(
-                value = currentValue,
-                isSkipEnabled = preferences.isSkipEnabled,
-                areQuestionMarksEnabled = preferences.areQuestionMarksEnabled
-            )
-            commandRunner.run(
-                CreateRepetitionCommand(
-                    habitList,
-                    habit,
-                    timestamp,
-                    nextValue,
-                    notes,
-                ),
-            )
+            if (!isLongClick) {
+                val nextValue = Entry.nextToggleValue(
+                    value = currentValue,
+                    isSkipEnabled = preferences.isSkipEnabled,
+                    areQuestionMarksEnabled = preferences.areQuestionMarksEnabled
+                )
+                commandRunner.run(
+                    CreateRepetitionCommand(
+                        habitList,
+                        habit,
+                        timestamp,
+                        nextValue,
+                        notes,
+                    ),
+                )
+                return
+            }
+            screen.showCheckmarkDialog(notes) { newNotes ->
+                commandRunner.run(
+                    CreateRepetitionCommand(
+                        habitList,
+                        habit,
+                        timestamp,
+                        currentValue,
+                        newNotes,
+                    ),
+                )
+            }
         }
     }
 
@@ -142,6 +157,13 @@ class HistoryCardPresenter(
             else
                 HistoryChart.Square.OFF
 
+            val hasNotes = entries.map {
+                when (it.notes) {
+                    "" -> false
+                    else -> true
+                }
+            }
+
             return HistoryCardState(
                 color = habit.color,
                 firstWeekday = firstWeekday,
@@ -149,6 +171,7 @@ class HistoryCardPresenter(
                 theme = theme,
                 series = series,
                 defaultSquare = defaultSquare
+                hasNotes = hasNotes,
             )
         }
     }

uhabits-core/src/jvmMain/java/org/isoron/uhabits/core/ui/views/HistoryChart.kt

@@ -33,7 +33,7 @@ import kotlin.math.min
 import kotlin.math.round
 
 fun interface OnDateClickedListener {
-    fun onDateClicked(date: LocalDate)
+    fun onDateClicked(date: LocalDate, isLongClick: Boolean)
 }
 
 class HistoryChart(
@@ -42,9 +42,10 @@ class HistoryChart(
     var paletteColor: PaletteColor,
     var series: List<Square>,
     var defaultSquare: Square,
+    var hasNotes: List<Boolean>,
     var theme: Theme,
     var today: LocalDate,
-    var onDateClickedListener: OnDateClickedListener = OnDateClickedListener { },
+    var onDateClickedListener: OnDateClickedListener = OnDateClickedListener { _, _ -> },
     var padding: Double = 0.0,
 ) : DataView {
 
@@ -72,6 +73,14 @@ class HistoryChart(
         get() = squareSpacing + squareSize
 
     override fun onClick(x: Double, y: Double) {
+        onDateClicked(x, y, false)
+    }
+
+    override fun onLongClick(x: Double, y: Double) {
+        onDateClicked(x, y, true)
+    }
+
+    private fun onDateClicked(x: Double, y: Double, isLongClick: Boolean) {
         if (width <= 0.0) throw IllegalStateException("onClick must be called after draw(canvas)")
         val col = ((x - padding) / squareSize).toInt()
         val row = ((y - padding) / squareSize).toInt()
@@ -79,7 +88,7 @@ class HistoryChart(
         if (row == 0 || col == nColumns) return
         val clickedDate = topLeftDate.plus(offset)
         if (clickedDate.isNewerThan(today)) return
-        onDateClickedListener.onDateClicked(clickedDate)
+        onDateClickedListener.onDateClicked(clickedDate, isLongClick)
     }
 
     override fun draw(canvas: Canvas) {
@@ -191,7 +200,9 @@ class HistoryChart(
     ) {
 
         val value = if (offset >= series.size) defaultSquare else series[offset]
+        val notes = if (offset >= hasNotes.size) false else hasNotes[offset]
         val squareColor: Color
+        val circleColor: Color
         val color = theme.color(paletteColor.paletteIndex)
         squareColor = when (value) {
             Square.ON -> {
@@ -235,5 +246,14 @@ class HistoryChart(
         canvas.setColor(textColor)
         canvas.setTextAlign(TextAlign.CENTER)
         canvas.drawText(date.day.toString(), x + width / 2, y + width / 2)
+
+        if (notes) {
+            circleColor = when (value) {
+                Square.ON -> theme.lowContrastTextColor
+                else -> color
+            }
+            canvas.setColor(circleColor)
+            canvas.fillCircle(x + width - width / 5, y + width / 5, width / 12)
+        }
     }
 }