Chrono update (#2397)

* limit day to last day of month if the month or year is changed

* update chrono to 0.4.23, switch to NaiveDate and remove use of deprecated functions.

crates/egui_demo_lib/src/demo/widget_gallery.rs

@@ -20,7 +20,7 @@ pub struct WidgetGallery {
 
     #[cfg(feature = "chrono")]
     #[cfg_attr(feature = "serde", serde(skip))]
-    date: Option<chrono::Date<chrono::Utc>>,
+    date: Option<chrono::NaiveDate>,
 
     #[cfg_attr(feature = "serde", serde(skip))]
     texture: Option<egui::TextureHandle>,
@@ -218,7 +218,7 @@ impl WidgetGallery {
 
         #[cfg(feature = "chrono")]
         {
-            let date = date.get_or_insert_with(|| chrono::offset::Utc::now().date());
+            let date = date.get_or_insert_with(|| chrono::offset::Utc::now().date_naive());
             ui.add(doc_link_label("DatePickerButton", "DatePickerButton"));
             ui.add(egui_extras::DatePickerButton::new(date));
             ui.end_row();

crates/egui_extras/src/datepicker/button.rs

@@ -1,5 +1,5 @@
 use super::popup::DatePickerPopup;
-use chrono::{Date, Utc};
+use chrono::NaiveDate;
 use egui::{Area, Button, Frame, InnerResponse, Key, Order, RichText, Ui, Widget};
 
 #[derive(Default, Clone, serde::Deserialize, serde::Serialize)]
@@ -8,7 +8,7 @@ pub(crate) struct DatePickerButtonState {
 }
 
 pub struct DatePickerButton<'a> {
-    selection: &'a mut Date<Utc>,
+    selection: &'a mut NaiveDate,
     id_source: Option<&'a str>,
     combo_boxes: bool,
     arrows: bool,
@@ -17,7 +17,7 @@ pub struct DatePickerButton<'a> {
 }
 
 impl<'a> DatePickerButton<'a> {
-    pub fn new(selection: &'a mut Date<Utc>) -> Self {
+    pub fn new(selection: &'a mut NaiveDate) -> Self {
         Self {
             selection,
             id_source: None,

crates/egui_extras/src/datepicker/mod.rs

@@ -2,16 +2,16 @@ mod button;
 mod popup;
 
 pub use button::DatePickerButton;
-use chrono::{Date, Datelike, Duration, NaiveDate, Utc, Weekday};
+use chrono::{Datelike, Duration, NaiveDate, Weekday};
 
 #[derive(Debug)]
 struct Week {
     number: u8,
-    days: Vec<Date<Utc>>,
+    days: Vec<NaiveDate>,
 }
 
 fn month_data(year: i32, month: u32) -> Vec<Week> {
-    let first = Date::from_utc(NaiveDate::from_ymd(year, month, 1), Utc);
+    let first = NaiveDate::from_ymd_opt(year, month, 1).expect("Could not create NaiveDate");
     let mut start = first;
     while start.weekday() != Weekday::Mon {
         start = start.checked_sub_signed(Duration::days(1)).unwrap();

crates/egui_extras/src/datepicker/popup.rs

@@ -1,4 +1,4 @@
-use chrono::{Date, Datelike, NaiveDate, Utc, Weekday};
+use chrono::{Datelike, NaiveDate, Weekday};
 
 use egui::{Align, Button, Color32, ComboBox, Direction, Id, Layout, RichText, Ui, Vec2};
 
@@ -16,7 +16,8 @@ struct DatePickerPopupState {
 
 impl DatePickerPopupState {
     fn last_day_of_month(&self) -> u32 {
-        let date: Date<Utc> = Date::from_utc(NaiveDate::from_ymd(self.year, self.month, 1), Utc);
+        let date: NaiveDate =
+            NaiveDate::from_ymd_opt(self.year, self.month, 1).expect("Could not create NaiveDate");
         date.with_day(31)
             .map(|_| 31)
             .or_else(|| date.with_day(30).map(|_| 30))
@@ -26,7 +27,7 @@ impl DatePickerPopupState {
 }
 
 pub(crate) struct DatePickerPopup<'a> {
-    pub selection: &'a mut Date<Utc>,
+    pub selection: &'a mut NaiveDate,
     pub button_id: Id,
     pub combo_boxes: bool,
     pub arrows: bool,
@@ -38,7 +39,7 @@ impl<'a> DatePickerPopup<'a> {
     /// Returns `true` if user pressed `Save` button.
     pub fn draw(&mut self, ui: &mut Ui) -> bool {
         let id = ui.make_persistent_id("date_picker");
-        let today = chrono::offset::Utc::now().date();
+        let today = chrono::offset::Utc::now().date_naive();
         let mut popup_state = ui
             .memory()
             .data
@@ -369,14 +370,12 @@ impl<'a> DatePickerPopup<'a> {
                         strip.cell(|ui| {
                             ui.with_layout(Layout::top_down_justified(Align::Center), |ui| {
                                 if ui.button("Save").clicked() {
-                                    *self.selection = Date::from_utc(
-                                        NaiveDate::from_ymd(
-                                            popup_state.year,
-                                            popup_state.month,
-                                            popup_state.day,
-                                        ),
-                                        Utc,
-                                    );
+                                    *self.selection = NaiveDate::from_ymd_opt(
+                                        popup_state.year,
+                                        popup_state.month,
+                                        popup_state.day,
+                                    )
+                                    .expect("Could not create NaiveDate");
                                     saved = true;
                                     close = true;
                                 }