From 66aa72e18ca02ea74f2ba57af13f659dfeed5ae9 Mon Sep 17 00:00:00 2001
From: Nova <technobaboo@gmail.com>
Date: Sun, 18 Sep 2022 12:20:00 -0400
Subject: [PATCH] feat(wayland): data device dummy

---
 src/wayland/data_device.rs | 100 +++++++++++++++++++++++++++++++++++++
 src/wayland/mod.rs         |   1 +
 src/wayland/state.rs       |   5 +-
 3 files changed, 103 insertions(+), 3 deletions(-)
 create mode 100644 src/wayland/data_device.rs

diff --git a/src/wayland/data_device.rs b/src/wayland/data_device.rs
new file mode 100644
index 0000000..cd83f90
--- /dev/null
+++ b/src/wayland/data_device.rs
@@ -0,0 +1,100 @@
+use smithay::reexports::wayland_server::{
+	protocol::{
+		wl_data_device::{
+			Request::{Release, SetSelection, StartDrag},
+			WlDataDevice,
+		},
+		wl_data_device_manager::{
+			Request::{CreateDataSource, GetDataDevice},
+			WlDataDeviceManager,
+		},
+		wl_data_source::{
+			Request::{Destroy, Offer, SetActions},
+			WlDataSource,
+		},
+	},
+	Client, DataInit, Dispatch, DisplayHandle, GlobalDispatch, New, Resource,
+};
+
+use super::state::WaylandState;
+
+impl GlobalDispatch<WlDataDeviceManager, (), WaylandState> for WaylandState {
+	fn bind(
+		_state: &mut WaylandState,
+		_handle: &DisplayHandle,
+		_client: &Client,
+		resource: New<WlDataDeviceManager>,
+		_global_data: &(),
+		data_init: &mut DataInit<'_, WaylandState>,
+	) {
+		let _resource = data_init.init(resource, ());
+	}
+}
+
+impl Dispatch<WlDataDeviceManager, (), WaylandState> for WaylandState {
+	fn request(
+		_state: &mut WaylandState,
+		_client: &Client,
+		_resource: &WlDataDeviceManager,
+		request: <WlDataDeviceManager as Resource>::Request,
+		_data: &(),
+		_dhandle: &DisplayHandle,
+		data_init: &mut DataInit<'_, WaylandState>,
+	) {
+		match request {
+			CreateDataSource { id } => {
+				data_init.init(id, ());
+			}
+			GetDataDevice { id, seat: _ } => {
+				data_init.init(id, ());
+			}
+			_ => unreachable!(),
+		}
+	}
+}
+
+impl Dispatch<WlDataSource, (), WaylandState> for WaylandState {
+	fn request(
+		_state: &mut WaylandState,
+		_client: &Client,
+		_resource: &WlDataSource,
+		request: <WlDataSource as Resource>::Request,
+		_data: &(),
+		_dhandle: &DisplayHandle,
+		_data_init: &mut DataInit<'_, WaylandState>,
+	) {
+		match request {
+			Offer { mime_type: _ } => todo!(),
+			Destroy => todo!(),
+			SetActions { dnd_actions: _ } => todo!(),
+			_ => unreachable!(),
+		}
+	}
+}
+
+impl Dispatch<WlDataDevice, (), WaylandState> for WaylandState {
+	fn request(
+		_state: &mut WaylandState,
+		_client: &Client,
+		_resource: &WlDataDevice,
+		request: <WlDataDevice as Resource>::Request,
+		_data: &(),
+		_dhandle: &DisplayHandle,
+		_data_init: &mut DataInit<'_, WaylandState>,
+	) {
+		match request {
+			StartDrag {
+				source: _,
+				origin: _,
+				icon: _,
+				serial: _,
+			} => todo!(),
+			SetSelection {
+				source: _,
+				serial: _,
+			} => todo!(),
+			Release => todo!(),
+			_ => unreachable!(),
+		}
+	}
+}
diff --git a/src/wayland/mod.rs b/src/wayland/mod.rs
index c0c68a5..da117d8 100644
--- a/src/wayland/mod.rs
+++ b/src/wayland/mod.rs
@@ -1,4 +1,5 @@
 pub mod compositor;
+mod data_device;
 pub mod panel_item;
 pub mod seat;
 pub mod shaders;
diff --git a/src/wayland/state.rs b/src/wayland/state.rs
index 43e752f..6888e68 100644
--- a/src/wayland/state.rs
+++ b/src/wayland/state.rs
@@ -7,6 +7,7 @@ use smithay::{
 	output::{Output, Scale, Subpixel},
 	reexports::wayland_server::{
 		backend::{ClientData, ClientId, DisconnectReason},
+		protocol::wl_data_device_manager::WlDataDeviceManager,
 		Display, DisplayHandle,
 	},
 	utils::Size,
@@ -46,7 +47,6 @@ pub struct WaylandState {
 	pub output_manager_state: OutputManagerState,
 	pub output: Output,
 	pub seat_state: SeatDelegate,
-	// pub data_device_state: DataDeviceState,
 }
 
 impl WaylandState {
@@ -72,7 +72,7 @@ impl WaylandState {
 		);
 		let _global = output.create_global::<Self>(&display_handle);
 		output.change_current_state(None, None, Some(Scale::Integer(2)), None);
-		// let data_device_state = DataDeviceState::new(&dh, log.clone());
+		display_handle.create_global::<Self, WlDataDeviceManager, _>(3, ());
 
 		println!("Init Wayland compositor");
 
@@ -87,7 +87,6 @@ impl WaylandState {
 			output_manager_state,
 			output,
 			seat_state: SeatDelegate,
-			// data_device_state,
 		}
 	}
 }