From ade68a89c06ef2c15659786df89996b0aaee4180 Mon Sep 17 00:00:00 2001
From: Ivan Molodetskikh <yalterz@gmail.com>
Date: Thu, 24 Oct 2024 21:34:39 +0300
Subject: [PATCH] Expose internal pointer and touch types

Lets the compositor check for click vs. dnd vs. other grabs.
---
 src/input/pointer/grab.rs                     | 20 ++++++++++++------
 src/input/pointer/mod.rs                      |  2 +-
 src/wayland/selection/data_device/dnd_grab.rs | 21 ++++++++++++++++++-
 src/wayland/selection/data_device/mod.rs      |  2 ++
 .../selection/data_device/server_dnd_grab.rs  | 19 ++++++++++++++++-
 5 files changed, 55 insertions(+), 9 deletions(-)

diff --git a/src/input/pointer/grab.rs b/src/input/pointer/grab.rs
index 006b59f5e657..7fe246a13068 100644
--- a/src/input/pointer/grab.rs
+++ b/src/input/pointer/grab.rs
@@ -336,15 +336,23 @@ impl<D: SeatHandler + 'static> PointerGrab<D> for DefaultGrab {
     fn unset(&mut self, _data: &mut D) {}
 }
 
-// A click grab, basic grab started when an user clicks a surface
-// to maintain it focused until the user releases the click.
-//
-// In case the user maintains several simultaneous clicks, release
-// the grab once all are released.
-struct ClickGrab<D: SeatHandler> {
+/// A click grab, basic grab started when an user clicks a surface
+/// to maintain it focused until the user releases the click.
+///
+/// In case the user maintains several simultaneous clicks, release
+/// the grab once all are released.
+pub struct ClickGrab<D: SeatHandler> {
     start_data: GrabStartData<D>,
 }
 
+impl<D: SeatHandler + 'static> fmt::Debug for ClickGrab<D> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_struct("ClickGrab")
+            .field("start_data", &self.start_data)
+            .finish()
+    }
+}
+
 impl<D: SeatHandler + 'static> PointerGrab<D> for ClickGrab<D> {
     fn motion(
         &mut self,
diff --git a/src/input/pointer/mod.rs b/src/input/pointer/mod.rs
index fe1ed9faf5af..514f743770ab 100644
--- a/src/input/pointer/mod.rs
+++ b/src/input/pointer/mod.rs
@@ -18,7 +18,7 @@ pub use cursor_image::{CursorImageAttributes, CursorImageStatus, CursorImageSurf
 
 mod grab;
 use grab::DefaultGrab;
-pub use grab::{GrabStartData, PointerGrab};
+pub use grab::{ClickGrab, GrabStartData, PointerGrab};
 use tracing::{info_span, instrument};
 
 /// An handle to a pointer handler
diff --git a/src/wayland/selection/data_device/dnd_grab.rs b/src/wayland/selection/data_device/dnd_grab.rs
index 80b5bb160610..1eba7764c9fe 100644
--- a/src/wayland/selection/data_device/dnd_grab.rs
+++ b/src/wayland/selection/data_device/dnd_grab.rs
@@ -1,5 +1,6 @@
 use std::{
     cell::RefCell,
+    fmt,
     os::unix::io::{AsFd, OwnedFd},
     sync::{Arc, Mutex},
 };
@@ -32,7 +33,8 @@ use crate::{
 
 use super::{with_source_metadata, ClientDndGrabHandler, DataDeviceHandler};
 
-pub(crate) struct DnDGrab<D: SeatHandler> {
+/// Grab during a client-initiated DnD operation.
+pub struct DnDGrab<D: SeatHandler> {
     dh: DisplayHandle,
     pointer_start_data: Option<PointerGrabStartData<D>>,
     touch_start_data: Option<TouchGrabStartData<D>>,
@@ -45,6 +47,23 @@ pub(crate) struct DnDGrab<D: SeatHandler> {
     seat: Seat<D>,
 }
 
+impl<D: SeatHandler + 'static> fmt::Debug for DnDGrab<D> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_struct("DnDGrab")
+            .field("dh", &self.dh)
+            .field("pointer_start_data", &self.pointer_start_data)
+            .field("touch_start_data", &self.touch_start_data)
+            .field("data_source", &self.data_source)
+            .field("current_focus", &self.current_focus)
+            .field("pending_offers", &self.pending_offers)
+            .field("offer_data", &self.offer_data)
+            .field("icon", &self.icon)
+            .field("origin", &self.origin)
+            .field("seat", &self.seat)
+            .finish()
+    }
+}
+
 impl<D: SeatHandler> DnDGrab<D> {
     pub(crate) fn new_pointer(
         dh: &DisplayHandle,
diff --git a/src/wayland/selection/data_device/mod.rs b/src/wayland/selection/data_device/mod.rs
index a44c69beb680..fa8fa9db9dbf 100644
--- a/src/wayland/selection/data_device/mod.rs
+++ b/src/wayland/selection/data_device/mod.rs
@@ -100,6 +100,8 @@ mod server_dnd_grab;
 mod source;
 
 pub use device::{DataDeviceUserData, DND_ICON_ROLE};
+pub use dnd_grab::DnDGrab;
+pub use server_dnd_grab::ServerDnDGrab;
 pub use source::{with_source_metadata, DataSourceUserData, SourceMetadata};
 
 use super::{
diff --git a/src/wayland/selection/data_device/server_dnd_grab.rs b/src/wayland/selection/data_device/server_dnd_grab.rs
index c3858a78c8fa..4a618bd85afc 100644
--- a/src/wayland/selection/data_device/server_dnd_grab.rs
+++ b/src/wayland/selection/data_device/server_dnd_grab.rs
@@ -1,5 +1,6 @@
 use std::{
     cell::RefCell,
+    fmt,
     os::unix::io::OwnedFd,
     sync::{Arc, Mutex},
 };
@@ -33,7 +34,8 @@ use crate::{
 
 use super::{DataDeviceHandler, DataDeviceUserData, ServerDndGrabHandler, SourceMetadata};
 
-pub(crate) struct ServerDnDGrab<D: SeatHandler> {
+/// Grab during a compositor-initiated DnD operation.
+pub struct ServerDnDGrab<D: SeatHandler> {
     dh: DisplayHandle,
     pointer_start_data: Option<PointerGrabStartData<D>>,
     touch_start_data: Option<TouchGrabStartData<D>>,
@@ -44,6 +46,21 @@ pub(crate) struct ServerDnDGrab<D: SeatHandler> {
     seat: Seat<D>,
 }
 
+impl<D: SeatHandler + 'static> fmt::Debug for ServerDnDGrab<D> {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.debug_struct("ServerDnDGrab")
+            .field("dh", &self.dh)
+            .field("pointer_start_data", &self.pointer_start_data)
+            .field("touch_start_data", &self.touch_start_data)
+            .field("metadata", &self.metadata)
+            .field("current_focus", &self.current_focus)
+            .field("pending_offers", &self.pending_offers)
+            .field("offer_data", &self.offer_data)
+            .field("seat", &self.seat)
+            .finish()
+    }
+}
+
 impl<D: SeatHandler> ServerDnDGrab<D> {
     pub(crate) fn new_pointer(
         dh: &DisplayHandle,