1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114

use wayland_client::protocol::{wl_output, wl_seat, wl_shell, wl_shell_surface, wl_surface};
use wayland_client::Proxy;

use wayland_client::protocol::wl_shell::RequestsTrait as ShellRequests;
use wayland_client::protocol::wl_shell_surface::RequestsTrait as ShellSurfaceRequests;

use wayland_protocols::xdg_shell::client::xdg_toplevel;

use super::{Event, ShellSurface};

pub(crate) struct Wl {
    shell_surface: Proxy<wl_shell_surface::WlShellSurface>,
}

impl Wl {
    pub(crate) fn create<Impl>(
        surface: &Proxy<wl_surface::WlSurface>,
        shell: &Proxy<wl_shell::WlShell>,
        mut implementation: Impl,
    ) -> Wl
    where
        Impl: FnMut(Event) + Send + 'static,
    {
        let shell_surface = shell
            .get_shell_surface(surface, |shell_surface| {
                shell_surface.implement(
                    move |event, shell_surface: Proxy<_>| match event {
                        wl_shell_surface::Event::Ping { serial } => {
                            shell_surface.pong(serial);
                        }
                        wl_shell_surface::Event::Configure { width, height, .. } => {
                            use std::cmp::max;
                            implementation(Event::Configure {
                                new_size: Some((max(width, 1) as u32, max(height, 1) as u32)),
                                states: Vec::new(),
                            });
                        }
                        wl_shell_surface::Event::PopupDone => {
                            unreachable!();
                        }
                    },
                    (),
                )
            })
            .unwrap();
        shell_surface.set_toplevel();
        Wl { shell_surface }
    }
}

impl ShellSurface for Wl {
    fn resize(&self, seat: &Proxy<wl_seat::WlSeat>, serial: u32, edges: xdg_toplevel::ResizeEdge) {
        let edges = match edges {
            xdg_toplevel::ResizeEdge::None => wl_shell_surface::Resize::None,
            xdg_toplevel::ResizeEdge::Top => wl_shell_surface::Resize::Top,
            xdg_toplevel::ResizeEdge::Left => wl_shell_surface::Resize::Left,
            xdg_toplevel::ResizeEdge::Right => wl_shell_surface::Resize::Right,
            xdg_toplevel::ResizeEdge::Bottom => wl_shell_surface::Resize::Bottom,
            xdg_toplevel::ResizeEdge::TopLeft => wl_shell_surface::Resize::TopLeft,
            xdg_toplevel::ResizeEdge::TopRight => wl_shell_surface::Resize::TopRight,
            xdg_toplevel::ResizeEdge::BottomLeft => wl_shell_surface::Resize::BottomLeft,
            xdg_toplevel::ResizeEdge::BottomRight => wl_shell_surface::Resize::BottomRight,
        };
        self.shell_surface.resize(seat, serial, edges);
    }

    fn move_(&self, seat: &Proxy<wl_seat::WlSeat>, serial: u32) {
        self.shell_surface._move(seat, serial);
    }

    fn set_title(&self, title: String) {
        self.shell_surface.set_title(title);
    }

    fn set_app_id(&self, app_id: String) {
        self.shell_surface.set_class(app_id);
    }
    fn set_fullscreen(&self, output: Option<&Proxy<wl_output::WlOutput>>) {
        self.shell_surface
            .set_fullscreen(wl_shell_surface::FullscreenMethod::Default, 0, output)
    }

    fn unset_fullscreen(&self) {
        self.shell_surface.set_toplevel();
    }

    fn set_maximized(&self) {
        self.shell_surface.set_maximized(None);
    }

    fn unset_maximized(&self) {
        self.shell_surface.set_toplevel();
    }

    fn set_minimized(&self) {
        /* not available */
    }

    fn set_geometry(&self, _: i32, _: i32, _: i32, _: i32) {
        /* not available */
    }

    fn set_min_size(&self, _: Option<(i32, i32)>) {
        /* not available */
    }

    fn set_max_size(&self, _: Option<(i32, i32)>) {
        /* not available */
    }

    fn get_xdg(&self) -> Option<&Proxy<xdg_toplevel::XdgToplevel>> {
        None
    }
}