From ae89404de3110957b11797f4778d7ff8eb6c5ade Mon Sep 17 00:00:00 2001
From: Janis <noonebtw@gmail.com>
Date: Sun, 8 May 2022 18:59:42 +0200
Subject: [PATCH] added cursor types

---
 src/backends/mod.rs      |  7 +++++
 src/backends/xlib/mod.rs | 65 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 72 insertions(+)

diff --git a/src/backends/mod.rs b/src/backends/mod.rs
index 5b1d5a6..ffe3632 100644
--- a/src/backends/mod.rs
+++ b/src/backends/mod.rs
@@ -18,4 +18,11 @@ pub mod structs {
         Dock,
         Desktop,
     }
+
+    #[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Clone)]
+    pub enum Cursor {
+        Normal,
+        Resize,
+        Move,
+    }
 }
diff --git a/src/backends/xlib/mod.rs b/src/backends/xlib/mod.rs
index c3a2876..bf18dea 100644
--- a/src/backends/xlib/mod.rs
+++ b/src/backends/xlib/mod.rs
@@ -12,6 +12,7 @@ use crate::backends::{
 
 use self::{
     connection::{PropMode, XLibConnection},
+    cursors::Cursors,
     ewmh::{EWMHAtom, EWMHAtoms},
     keysym::{
         keysym_to_virtual_keycode, virtual_keycode_to_keysym,
@@ -713,6 +714,62 @@ impl Display {
     }
 }
 
+mod cursors {
+    use std::{borrow::Borrow, ops::Index};
+
+    use x11::xlib::{Cursor as XCursor, XCreateFontCursor, XFreeCursor};
+
+    use crate::backends::structs::Cursor;
+
+    use super::connection::XLibConnection;
+
+    #[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Clone)]
+    pub struct Cursors {
+        normal: XCursor,
+        resize: XCursor,
+        grab: XCursor,
+    }
+
+    impl Cursors {
+        const LEFT_PTR: u32 = 68;
+        const SIZING: u32 = 120;
+        const FLEUR: u32 = 52;
+
+        pub fn from_connection<C: Borrow<XLibConnection>>(con: C) -> Self {
+            unsafe {
+                Self {
+                    normal: XCreateFontCursor(
+                        con.borrow().dpy(),
+                        Self::LEFT_PTR,
+                    ),
+                    resize: XCreateFontCursor(con.borrow().dpy(), Self::SIZING),
+                    grab: XCreateFontCursor(con.borrow().dpy(), Self::FLEUR),
+                }
+            }
+        }
+
+        pub unsafe fn free<C: Borrow<XLibConnection>>(&self, con: C) {
+            unsafe {
+                XFreeCursor(con.borrow().dpy(), self.normal);
+                XFreeCursor(con.borrow().dpy(), self.resize);
+                XFreeCursor(con.borrow().dpy(), self.grab);
+            }
+        }
+    }
+
+    impl Index<Cursor> for Cursors {
+        type Output = XCursor;
+
+        fn index(&self, index: Cursor) -> &Self::Output {
+            match index {
+                Cursor::Normal => &self.normal,
+                Cursor::Resize => &self.resize,
+                Cursor::Move => &self.grab,
+            }
+        }
+    }
+}
+
 pub struct XLib {
     connection: Rc<XLibConnection>,
     atoms: ICCCMAtoms,
@@ -721,6 +778,13 @@ pub struct XLib {
     active_border_color: Option<color::XftColor>,
     inactive_border_color: Option<color::XftColor>,
     wm_window: Window,
+    cursors: Cursors,
+}
+
+impl Drop for XLib {
+    fn drop(&mut self) {
+        unsafe { self.cursors.free(self.connection.clone()) };
+    }
 }
 
 impl XLib {
@@ -736,6 +800,7 @@ impl XLib {
             keybinds: Vec::new(),
             active_border_color: None,
             inactive_border_color: None,
+            cursors: Cursors::from_connection(con.clone()),
             wm_window: unsafe {
                 xlib::XCreateSimpleWindow(
                     con.dpy(),