Add files via upload

basics.rs

@@ -0,0 +1,77 @@
+use gtk::{glib, gio, prelude::*};
+
+fn main() -> glib::ExitCode {
+	let application = gtk::Application::new(
+		None::<String>, 
+		gio::ApplicationFlags::FLAGS_NONE
+	);
+    application.connect_activate(build_ui);
+    application.run()
+}
+
+fn build_ui(application: &gtk::Application) {
+    let window = gtk::ApplicationWindow::new(application);
+    window.set_title(Some("First GTK Program"));
+    window.set_default_size(600, 400);
+	//
+    let button1 = gtk::Button::with_label("Bouton 1");
+	//
+    let button2 = gtk::Button::with_label("Quitter");
+	//
+	let lb = gtk::Label::builder()
+		.vexpand(true)
+		.build();
+	//
+	let da = gtk::DrawingArea::builder()
+		.vexpand(true)
+		.hexpand(true)
+		.build();
+	//
+	const MARGES: i32 = 3;
+	let mygrid = gtk::Grid::builder()
+        .margin_start(MARGES)
+        .margin_end(MARGES)
+        .margin_top(MARGES)
+        .margin_bottom(MARGES)
+        .halign(gtk::Align::Fill)
+        .valign(gtk::Align::Fill)
+        .row_spacing(MARGES)
+        .column_spacing(MARGES)
+		.build();
+	mygrid.attach(&button1, 0, 0, 1, 1);
+	mygrid.attach(&lb, 0, 1, 1, 1);
+	mygrid.attach(&button2, 0, 2, 1, 1);
+	mygrid.attach(&da, 1, 0, 1, 3);
+	//
+    // signal "clicked" sur `button1`
+	//
+    button1.connect_closure(
+        "clicked",
+        false,
+        glib::closure_local!(move |button: gtk::Button| {
+            button.set_label("Hello");
+        }),
+    );
+	//
+    button2.connect_clicked(glib::clone!(
+        #[weak] window, move |_| window.destroy()
+    ));
+	//
+    // click gesture sur DrawingArea
+	//
+    let gesture = gtk::GestureClick::new();
+    // boutons souris u32 = PRIMARY=1, MIDDLE=2, SECONDARY=3
+    // gesture.set_button(gtk::gdk::ffi::GDK_BUTTON_PRIMARY as u32) ou bien
+	// gesture.set_button(gtk::gdk::BUTTON_PRIMARY) ou bien
+	gesture.set_button(1u32); // et si 0 = tout bouton !
+    gesture.connect_pressed(|gesture, n, x, y| {
+        gesture.set_state(gtk::EventSequenceState::Claimed);
+        println!("Nombre click = {} - Position = {:.0}x{:.0}", n, x, y);
+    });
+    da.add_controller(gesture); // Assigne gesture à da
+	//
+	// fenêtre
+	//
+    window.set_child(Some(&mygrid));
+    window.present();
+}