From 54bcca5c48b4586433a92fe4aad9cddd2e5500dc Mon Sep 17 00:00:00 2001
From: Joris
Date: Sat, 20 Nov 2021 23:02:52 +0100
Subject: Show event-less calendar

---
 src/main.rs   | 101 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 src/style.css |  20 ++++++++++++
 2 files changed, 121 insertions(+)
 create mode 100644 src/main.rs
 create mode 100644 src/style.css

(limited to 'src')

diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..072fbd5
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,101 @@
+use chrono::{NaiveDate, Datelike, Weekday};
+use gtk4::gdk::Display;
+use gtk4::prelude::*;
+use gtk4::{
+    Align, Application, ApplicationWindow, CssProvider, Grid, Label, Orientation, StyleContext,
+    STYLE_PROVIDER_PRIORITY_APPLICATION, Box as GtkBox
+};
+
+static DAYS: [&str; 7] = ["LUN", "MAR", "MER", "JEU", "VEN", "SAM", "DIM"];
+static MONTHES: [&str; 12] = ["Jan", "Fév", "Mar", "Avr", "Mai", "Juin", "Juil", "Aoû", "Sep", "Oct", "Nov", "Déc"];
+
+fn main() {
+    let application = Application::new(Some("me.guyonvarch.calendar"), Default::default());
+    application.connect_startup(build_ui);
+    application.run();
+}
+
+fn build_ui(application: &Application) {
+    let window = ApplicationWindow::new(application);
+    window.set_title(Some("Calendar"));
+    window.set_default_size(800, 600);
+    window.set_hexpand(true);
+    window.set_vexpand(true);
+
+    load_style();
+
+    let grid = Grid::builder().build();
+
+    window.set_child(Some(&grid));
+
+    for col in 0..7 {
+        grid.attach(&day_title(col), col, 0, 1, 1);
+    }
+
+    let today = chrono::offset::Local::today().naive_utc();
+    let last_monday = NaiveDate::from_isoywd(today.year(), today.iso_week().week(), Weekday::Mon);
+
+    let mut d = last_monday;
+    for row in 1..5 {
+        for col in 0..7 {
+            grid.attach(&day_entry(&today, &d), col, row, 1, 1);
+            d = d.succ();
+        }
+    }
+
+    window.show();
+}
+
+fn load_style() {
+    let provider = CssProvider::new();
+    provider.load_from_data(include_bytes!("style.css"));
+    StyleContext::add_provider_for_display(
+        &Display::default().expect("Error initializing gtk css provider."),
+        &provider,
+        STYLE_PROVIDER_PRIORITY_APPLICATION,
+    );
+}
+
+fn day_title(col: i32) -> GtkBox {
+    let vbox = GtkBox::builder()
+        .orientation(Orientation::Vertical)
+        .hexpand(true)
+        .build();
+
+    vbox.add_css_class("g-Calendar__DayTitle");
+
+    let label = Label::builder()
+        .label(DAYS[col as usize])
+        .halign(Align::Center)
+        .valign(Align::Center)
+        .build();
+    vbox.append(&label);
+
+    vbox
+}
+
+fn day_entry(today: &NaiveDate, d: &NaiveDate) -> GtkBox {
+    let vbox = GtkBox::builder()
+        .orientation(Orientation::Vertical)
+        .hexpand(true)
+        .vexpand(true)
+        .build();
+
+    vbox.add_css_class("g-Calendar__Day");
+
+    if d == today {
+        vbox.add_css_class("g-Calendar__Day--Today");
+    }
+
+    let label = Label::builder()
+        .label(&format!("{} {}", d.day(), MONTHES[d.month0() as usize]))
+        .halign(Align::Start)
+        .valign(Align::Center)
+        .build();
+
+    label.add_css_class("g-Calendar__DayNumber");
+
+    vbox.append(&label);
+
+    vbox
+}
diff --git a/src/style.css b/src/style.css
new file mode 100644
index 0000000..bd58799
--- /dev/null
+++ b/src/style.css
@@ -0,0 +1,20 @@
+.g-Calendar__DayTitle {
+  border: 1px solid #CCCCCC;
+  font-weight: bold;
+  padding: 4px;
+}
+
+.g-Calendar__Day {
+  background-color: white;
+  border: 1px solid #CCCCCC;
+  padding: 4px;
+}
+
+.g-Calendar__Day--Today {
+  background-color: #FFEC40;
+}
+
+.g-Calendar__DayNumber {
+  color: #333333;
+  font-size: 90%;
+}
-- 
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