[gnome-calendar] date-chooser-day: Add the has-dot and dot-visible properties

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 7198ce41f9b8e833c4b47ea9d06c314085c37bb7
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Wed Apr 6 13:55:13 2022 +0200

    date-chooser-day: Add the has-dot and dot-visible properties
    
    This allows the days to display events.

 src/gui/event-editor/gcal-date-chooser-day.c  | 171 ++++++++++++++++++++++++++
 src/gui/event-editor/gcal-date-chooser-day.h  |  10 ++
 src/gui/event-editor/gcal-date-chooser-day.ui |  40 ++++--
 src/theme/Adwaita.css                         |  20 +++
 4 files changed, 233 insertions(+), 8 deletions(-)
---
diff --git a/src/gui/event-editor/gcal-date-chooser-day.c b/src/gui/event-editor/gcal-date-chooser-day.c
index fd0b45f4..67695f2f 100644
--- a/src/gui/event-editor/gcal-date-chooser-day.c
+++ b/src/gui/event-editor/gcal-date-chooser-day.c
@@ -30,10 +30,20 @@ struct _GcalDateChooserDay
 {
   GtkButton           parent;
 
+  GtkWidget          *dot_revealer;
   GtkWidget          *label;
   GDateTime          *date;
 };
 
+enum {
+  PROP_0,
+  PROP_HAS_DOT,
+  PROP_DOT_VISIBLE,
+  NUM_PROPS
+};
+
+static GParamSpec *properties[NUM_PROPS] = { NULL, };
+
 G_DEFINE_TYPE (GcalDateChooserDay, gcal_date_chooser_day, GTK_TYPE_BUTTON)
 
 static void
@@ -46,6 +56,52 @@ gcal_date_chooser_day_dispose (GObject *object)
   G_OBJECT_CLASS (gcal_date_chooser_day_parent_class)->dispose (object);
 }
 
+static void
+gcal_date_chooser_day_get_property (GObject    *object,
+                                    guint       prop_id,
+                                    GValue     *value,
+                                    GParamSpec *pspec)
+{
+  GcalDateChooserDay *self = GCAL_DATE_CHOOSER_DAY (object);
+
+  switch (prop_id)
+    {
+    case PROP_HAS_DOT:
+      g_value_set_boolean (value, gcal_date_chooser_day_get_has_dot (self));
+      break;
+
+    case PROP_DOT_VISIBLE:
+      g_value_set_boolean (value, gcal_date_chooser_day_get_dot_visible (self));
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+gcal_date_chooser_day_set_property (GObject      *object,
+                                    guint         prop_id,
+                                    const GValue *value,
+                                    GParamSpec   *pspec)
+{
+  GcalDateChooserDay *self = GCAL_DATE_CHOOSER_DAY (object);
+
+  switch (prop_id)
+    {
+    case PROP_HAS_DOT:
+      gcal_date_chooser_day_set_has_dot (self, g_value_get_boolean (value));
+      break;
+
+    case PROP_DOT_VISIBLE:
+      gcal_date_chooser_day_set_dot_visible (self, g_value_get_boolean (value));
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
 static void
 gcal_date_chooser_day_class_init (GcalDateChooserDayClass *class)
 {
@@ -53,9 +109,44 @@ gcal_date_chooser_day_class_init (GcalDateChooserDayClass *class)
   GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
 
   object_class->dispose = gcal_date_chooser_day_dispose;
+  object_class->get_property = gcal_date_chooser_day_get_property;
+  object_class->set_property = gcal_date_chooser_day_set_property;
+
+  /**
+   * GcalDateChooserDay:has-dot:
+   *
+   * Whether the day has a dot or not.
+   *
+   * If the day has a dot, the label will be excentered to leave room for the
+   * dot, it will be centered otherwise.
+   */
+  properties[PROP_HAS_DOT] =
+    g_param_spec_boolean ("has-dot",
+                          "Has dot",
+                          "Whether the day has a dot or not",
+                          FALSE,
+                          G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
+
+  /**
+   * GcalDateChooserDay:dot-visible:
+   *
+   * Whether the dot is visible or not.
+   *
+   * There will be no visible dot if [property@GcalDateChooserDay:has-dot] is
+   * #FALSE.
+   */
+  properties[PROP_DOT_VISIBLE] =
+    g_param_spec_boolean ("dot-visible",
+                          "Dot visible",
+                          "Whether the dot is visible or not",
+                          FALSE,
+                          G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS);
+
+  g_object_class_install_properties (object_class, NUM_PROPS, properties);
 
   gtk_widget_class_set_template_from_resource (widget_class, 
"/org/gnome/calendar/ui/event-editor/gcal-date-chooser-day.ui");
 
+  gtk_widget_class_bind_template_child (widget_class, GcalDateChooserDay, dot_revealer);
   gtk_widget_class_bind_template_child (widget_class, GcalDateChooserDay, label);
 }
 
@@ -101,6 +192,86 @@ gcal_date_chooser_day_set_other_month (GcalDateChooserDay *self,
     gtk_widget_remove_css_class (GTK_WIDGET (self), "other-month");
 }
 
+/**
+ * gcal_date_chooser_day_set_has_dot:
+ * @self: a #GcalDateChooserDay
+ * @has_dot: whether the day has a dot or not.
+ *
+ * Sets whether the day has a dot or not.
+ *
+ * If the day has a dot, the label will be excentered to leave room for the
+ * dot, it will be centered otherwise.
+ */
+void
+gcal_date_chooser_day_set_has_dot (GcalDateChooserDay *self,
+                                   gboolean            has_dot)
+{
+  g_return_if_fail (GCAL_IS_DATE_CHOOSER_DAY (self));
+
+  has_dot = !!has_dot;
+
+  if (gtk_widget_get_visible (self->dot_revealer) == has_dot)
+    return;
+
+  gtk_widget_set_visible (self->dot_revealer, has_dot);
+
+  g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_HAS_DOT]);
+}
+
+/**
+ * gcal_date_chooser_day_get_has_dot:
+ * @self: a #GcalDateChooserDay
+ *
+ * Returns: whether the day has a dot or not.
+ */
+gboolean
+gcal_date_chooser_day_get_has_dot (GcalDateChooserDay *self)
+{
+  g_return_val_if_fail (GCAL_IS_DATE_CHOOSER_DAY (self), FALSE);
+
+  return gtk_widget_get_visible (self->dot_revealer);
+}
+
+/**
+ * gcal_date_chooser_day_set_dot_visible:
+ * @self: a #GcalDateChooserDay
+ * @dot_visible: whether the dot is visible or not.
+ *
+ * Sets whether the dot is visible or not.
+ *
+ * There will be no visible dot if [property@GcalDateChooserDay:has-dot] is
+ * #FALSE.
+ */
+void
+gcal_date_chooser_day_set_dot_visible (GcalDateChooserDay *self,
+                                       gboolean            dot_visible)
+{
+  g_return_if_fail (GCAL_IS_DATE_CHOOSER_DAY (self));
+
+  dot_visible = !!dot_visible;
+
+  if (gtk_revealer_get_reveal_child (GTK_REVEALER (self->dot_revealer)) == dot_visible)
+    return;
+
+  gtk_revealer_set_reveal_child (GTK_REVEALER (self->dot_revealer), dot_visible);
+
+  g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_DOT_VISIBLE]);
+}
+
+/**
+ * gcal_date_chooser_day_get_dot_visible:
+ * @self: a #GcalDateChooserDay
+ *
+ * Returns: whether the dot is visible or not.
+ */
+gboolean
+gcal_date_chooser_day_get_dot_visible (GcalDateChooserDay *self)
+{
+  g_return_val_if_fail (GCAL_IS_DATE_CHOOSER_DAY (self), FALSE);
+
+  return gtk_revealer_get_reveal_child (GTK_REVEALER (self->dot_revealer));
+}
+
 void
 gcal_date_chooser_day_set_selected (GcalDateChooserDay *self,
                                     gboolean            selected)
diff --git a/src/gui/event-editor/gcal-date-chooser-day.h b/src/gui/event-editor/gcal-date-chooser-day.h
index e4c11bb1..8922efc9 100644
--- a/src/gui/event-editor/gcal-date-chooser-day.h
+++ b/src/gui/event-editor/gcal-date-chooser-day.h
@@ -32,6 +32,16 @@ GDateTime*           gcal_date_chooser_day_get_date              (GcalDateChoose
 void                 gcal_date_chooser_day_set_date              (GcalDateChooserDay *day,
                                                                   GDateTime          *date);
 
+gboolean             gcal_date_chooser_day_get_has_dot           (GcalDateChooserDay *day);
+
+void                 gcal_date_chooser_day_set_has_dot           (GcalDateChooserDay *day,
+                                                                  gboolean            has_dot);
+
+gboolean             gcal_date_chooser_day_get_dot_visible       (GcalDateChooserDay *day);
+
+void                 gcal_date_chooser_day_set_dot_visible       (GcalDateChooserDay *day,
+                                                                  gboolean            dot_visible);
+
 void                 gcal_date_chooser_day_set_other_month       (GcalDateChooserDay *day,
                                                                   gboolean            other_month);
 
diff --git a/src/gui/event-editor/gcal-date-chooser-day.ui b/src/gui/event-editor/gcal-date-chooser-day.ui
index b04c136b..1e861554 100644
--- a/src/gui/event-editor/gcal-date-chooser-day.ui
+++ b/src/gui/event-editor/gcal-date-chooser-day.ui
@@ -3,21 +3,45 @@
   <template class="GcalDateChooserDay" parent="GtkButton">
     <property name="halign">center</property>
     <property name="valign">center</property>
+    <property name="hexpand">True</property>
+    <property name="vexpand">True</property>
     <style>
       <class name="circular"/>
       <class name="day"/>
       <class name="flat"/>
+      <class name="text-button"/>
     </style>
     <child>
-      <object class="GtkLabel" id="label">
-        <property name="halign">center</property>
-        <property name="hexpand">True</property>
+      <object class="GtkBox">
+        <property name="orientation">vertical</property>
         <property name="valign">center</property>
-        <property name="vexpand">True</property>
-        <property name="width-chars">2</property>
-        <style>
-          <class name="numeric"/>
-        </style>
+        <child>
+          <object class="GtkLabel" id="label">
+            <property name="halign">center</property>
+            <property name="label">0</property>
+            <property name="valign">center</property>
+            <property name="width-chars">2</property>
+            <style>
+              <class name="day"/>
+              <class name="numeric"/>
+            </style>
+          </object>
+        </child>
+        <child>
+          <object class="GtkRevealer" id="dot_revealer">
+            <property name="halign">center</property>
+            <property name="transition-type">crossfade</property>
+            <property name="valign">end</property>
+            <property name="visible">False</property>
+            <property name="child">
+              <object class="AdwBin" id="dot">
+                <property name="css-name">dot</property>
+                <property name="halign">center</property>
+                <property name="valign">center</property>
+              </object>
+            </property>
+          </object>
+        </child>
       </object>
     </child>
   </template>
diff --git a/src/theme/Adwaita.css b/src/theme/Adwaita.css
index 15df3433..59094207 100644
--- a/src/theme/Adwaita.css
+++ b/src/theme/Adwaita.css
@@ -191,21 +191,41 @@ datechooser button.day {
   transition: none;
 }
 
+datechooser button.day dot {
+  background-color: @theme_fg_color;
+  border-radius: 50%;
+  min-height: 3px;
+  min-width: 3px;
+}
+
 datechooser button.day:selected {
   background-color: @accent_bg_color;
   color: @accent_fg_color;
   font-weight: bold;
 }
 
+datechooser button.day:selected dot {
+  background-color: @accent_fg_color;
+}
+
 datechooser button.day.other-month:not(:hover),
 datechooser button.day.other-month:backdrop {
   color: alpha(currentColor, 0.1);
 }
 
+datechooser button.day.other-month:not(:hover) dot,
+datechooser button.day.other-month:backdrop dot {
+  background-color: alpha(currentColor, 0.1);
+}
+
 datechooser button.day.other-month:hover:not(:backdrop) {
   color: @insensitive_fg_color;
 }
 
+datechooser button.day.other-month:hover:not(:backdrop) dot {
+  background-color: @insensitive_fg_color;
+}
+
 label.month-name {
     font-size: 16pt;
     font-weight: bold;