Initial commit

examples/clipboard.rs

@@ -0,0 +1,214 @@
+use std::io::{Read, Seek, SeekFrom, Write};
+use std::sync::{Arc, Mutex};
+
+use sctk::keyboard::{map_keyboard_auto, Event as KbEvent, KeyState};
+use sctk::utils::{DoubleMemPool, MemPool};
+use sctk::window::{ConceptFrame, Event as WEvent, Window};
+use sctk::Environment;
+
+use sctk::reexports::client::protocol::{wl_shm, wl_surface};
+use sctk::reexports::client::{Display, NewProxy};
+
+use andrew::shapes::rectangle;
+use andrew::text;
+use andrew::text::fontconfig;
+
+fn main() {
+    let (display, mut event_queue) =
+        Display::connect_to_env().expect("Failed to connect to the wayland server.");
+    let env = Environment::from_display(&*display, &mut event_queue).unwrap();
+
+    let mut clipboard = wayland_clipboard::WaylandClipboard::new_threaded(
+        display.get_display_ptr() as *mut std::ffi::c_void,
+    );
+    let cb_contents = Arc::new(Mutex::new(String::new()));
+
+    let seat = env
+        .manager
+        .instantiate_range(1, 6, NewProxy::implement_dummy)
+        .unwrap();
+
+    let cb_contents_clone = cb_contents.clone();
+    map_keyboard_auto(&seat, move |event: KbEvent, _| {
+        if let KbEvent::Key {
+            state: KeyState::Pressed,
+            utf8: Some(text),
+            ..
+        } = event
+        {
+            if text == " " {
+                *cb_contents_clone.lock().unwrap() = dbg!(clipboard.load());
+            } else if text == "s" {
+                clipboard
+                    .store("This is an example text thats been copied to the wayland clipboard :)");
+            }
+        }
+    })
+    .unwrap();
+
+    let mut dimensions = (320u32, 240u32);
+    let surface = env
+        .compositor
+        .create_surface(NewProxy::implement_dummy)
+        .unwrap();
+
+    let next_action = Arc::new(Mutex::new(None::<WEvent>));
+
+    let waction = next_action.clone();
+    let mut window = Window::<ConceptFrame>::init_from_env(&env, surface, dimensions, move |evt| {
+        let mut next_action = waction.lock().unwrap();
+        // Keep last event in priority order : Close > Configure > Refresh
+        let replace = match (&evt, &*next_action) {
+            (_, &None)
+            | (_, &Some(WEvent::Refresh))
+            | (&WEvent::Configure { .. }, &Some(WEvent::Configure { .. }))
+            | (&WEvent::Close, _) => true,
+            _ => false,
+        };
+        if replace {
+            *next_action = Some(evt);
+        }
+    })
+    .expect("Failed to create a window !");
+
+    window.new_seat(&seat);
+    window.set_title("Clipboard".to_string());
+
+    let mut pools = DoubleMemPool::new(&env.shm, || {}).expect("Failed to create a memory pool !");
+
+    let mut font_data = Vec::new();
+    std::fs::File::open(
+        &fontconfig::FontConfig::new()
+            .unwrap()
+            .get_regular_family_fonts("sans")
+            .unwrap()[0],
+    )
+    .unwrap()
+    .read_to_end(&mut font_data)
+    .unwrap();
+
+    if !env.shell.needs_configure() {
+        // initial draw to bootstrap on wl_shell
+        if let Some(pool) = pools.pool() {
+            redraw(
+                pool,
+                window.surface(),
+                dimensions,
+                &font_data,
+                "".to_string(),
+            );
+        }
+        window.refresh();
+    }
+
+    loop {
+        match next_action.lock().unwrap().take() {
+            Some(WEvent::Close) => break,
+            Some(WEvent::Refresh) => {
+                window.refresh();
+                window.surface().commit();
+            }
+            Some(WEvent::Configure { new_size, .. }) => {
+                if let Some((w, h)) = new_size {
+                    window.resize(w, h);
+                    dimensions = (w, h)
+                }
+                window.refresh();
+                if let Some(pool) = pools.pool() {
+                    redraw(
+                        pool,
+                        window.surface(),
+                        dimensions,
+                        &font_data,
+                        cb_contents.lock().unwrap().clone(),
+                    );
+                }
+            }
+            None => {}
+        }
+
+        event_queue.dispatch().unwrap();
+    }
+}
+
+fn redraw(
+    pool: &mut MemPool,
+    surface: &wl_surface::WlSurface,
+    dimensions: (u32, u32),
+    font_data: &[u8],
+    cb_contents: String,
+) {
+    let (buf_x, buf_y) = (dimensions.0 as usize, dimensions.1 as usize);
+
+    pool.resize(4 * buf_x * buf_y)
+        .expect("Failed to resize the memory pool.");
+
+    let mut buf: Vec<u8> = vec![0; 4 * buf_x * buf_y];
+    let mut canvas =
+        andrew::Canvas::new(&mut buf, buf_x, buf_y, 4 * buf_x, andrew::Endian::native());
+
+    let bg = rectangle::Rectangle::new((0, 0), (buf_x, buf_y), None, Some([255, 170, 20, 45]));
+    canvas.draw(&bg);
+
+    let text_box = rectangle::Rectangle::new(
+        (buf_x / 30, buf_y / 35),
+        (buf_x - 2 * (buf_x / 30), (buf_x as f32 / 14.) as usize),
+        Some((3, [255, 255, 255, 255], rectangle::Sides::ALL, Some(4))),
+        None,
+    );
+    canvas.draw(&text_box);
+
+    let helper_text = text::Text::new(
+        (buf_x / 25, buf_y / 30),
+        [255, 255, 255, 255],
+        font_data,
+        buf_x as f32 / 40.,
+        2.0,
+        "Press space to draw clipboard contents",
+    );
+    canvas.draw(&helper_text);
+
+    let helper_text = text::Text::new(
+        (buf_x / 25, buf_y / 15),
+        [255, 255, 255, 255],
+        font_data,
+        buf_x as f32 / 40.,
+        2.0,
+        "Press 's' to store example text to clipboard",
+    );
+    canvas.draw(&helper_text);
+
+    for i in (0..cb_contents.len()).step_by(36) {
+        let content = if cb_contents.len() < i + 36 {
+            cb_contents[i..].to_string()
+        } else {
+            cb_contents[i..i + 36].to_string()
+        };
+        let text = text::Text::new(
+            (
+                buf_x / 10,
+                buf_y / 8 + (i as f32 * buf_y as f32 / 1000.) as usize,
+            ),
+            [255, 255, 255, 255],
+            font_data,
+            buf_x as f32 / 40.,
+            2.0,
+            content,
+        );
+        canvas.draw(&text);
+    }
+
+    pool.seek(SeekFrom::Start(0)).unwrap();
+    pool.write_all(canvas.buffer).unwrap();
+    pool.flush().unwrap();
+
+    let new_buffer = pool.buffer(
+        0,
+        buf_x as i32,
+        buf_y as i32,
+        4 * buf_x as i32,
+        wl_shm::Format::Argb8888,
+    );
+    surface.attach(Some(&new_buffer), 0, 0);
+    surface.commit();
+}