From 121fa0e92d0995dcc95854f60bfc51a08a2c8043 Mon Sep 17 00:00:00 2001
From: Delyan Angelov <delian66@gmail.com>
Date: Mon, 9 Oct 2023 14:03:38 +0300
Subject: [PATCH] term.ui,os.notify: fix .ctrl being stuck in
 examples/term.ui/event_viewer.v (regression happened in e9a3817a from
 2023-02-20)

---
 vlib/os/notify/backend_darwin.c.v  | 2 +-
 vlib/os/notify/backend_linux.c.v   | 2 +-
 vlib/term/ui/input_windows.c.v     | 4 ++--
 vlib/term/ui/termios_nix.c.v       | 4 ++--
 vlib/v/checker/tests/enum_cast.out | 5 +++--
 vlib/v/checker/tests/enum_cast.vv  | 1 +
 6 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/vlib/os/notify/backend_darwin.c.v b/vlib/os/notify/backend_darwin.c.v
index 3a88a13923bf79..6d5a29b4041454 100644
--- a/vlib/os/notify/backend_darwin.c.v
+++ b/vlib/os/notify/backend_darwin.c.v
@@ -159,7 +159,7 @@ fn (mut kn KqueueNotifier) close() ! {
 // event_mask_to_flag is a helper function that converts a bitmask
 // returned by kevent() wait to FdEventType
 fn event_mask_to_flag(filter i16, flags u16) FdEventType {
-	mut res := FdEventType.read
+	mut res := unsafe { FdEventType(0) }
 
 	if filter & notify.kqueue_read != 0 {
 		res.set(.read)
diff --git a/vlib/os/notify/backend_linux.c.v b/vlib/os/notify/backend_linux.c.v
index 842cfb9476fe9e..05109e07024096 100644
--- a/vlib/os/notify/backend_linux.c.v
+++ b/vlib/os/notify/backend_linux.c.v
@@ -140,7 +140,7 @@ fn (mut en EpollNotifier) close() ! {
 // event_mask_to_flag is a helper function that converts a bitmask
 // returned by epoll_wait to FdEventType
 fn event_mask_to_flag(mask u32) FdEventType {
-	mut flags := FdEventType.read
+	mut flags := unsafe { FdEventType(0) }
 
 	if mask & notify.epoll_read != 0 {
 		flags.set(.read)
diff --git a/vlib/term/ui/input_windows.c.v b/vlib/term/ui/input_windows.c.v
index 410881f6ec8f45..923be7bf917933 100644
--- a/vlib/term/ui/input_windows.c.v
+++ b/vlib/term/ui/input_windows.c.v
@@ -174,7 +174,7 @@ fn (mut ctx Context) parse_events() {
 					else { unsafe { KeyCode(ascii) } }
 				}
 
-				mut modifiers := Modifiers.ctrl
+				mut modifiers := unsafe { Modifiers(0) }
 				if e.dwControlKeyState & (0x1 | 0x2) != 0 {
 					modifiers.set(.alt)
 				}
@@ -204,7 +204,7 @@ fn (mut ctx Context) parse_events() {
 				}
 				x := e.dwMousePosition.X + 1
 				y := int(e.dwMousePosition.Y) - sb_info.srWindow.Top + 1
-				mut modifiers := Modifiers.ctrl
+				mut modifiers := unsafe { Modifiers(0) }
 				if e.dwControlKeyState & (0x1 | 0x2) != 0 {
 					modifiers.set(.alt)
 				}
diff --git a/vlib/term/ui/termios_nix.c.v b/vlib/term/ui/termios_nix.c.v
index fbd3729d6ce71d..20f96ee3ad4f09 100644
--- a/vlib/term/ui/termios_nix.c.v
+++ b/vlib/term/ui/termios_nix.c.v
@@ -427,7 +427,7 @@ fn escape_sequence(buf_ string) (&Event, int) {
 		lo := typ & 0b00011
 		hi := typ & 0b11100
 
-		mut modifiers := Modifiers.ctrl
+		mut modifiers := unsafe { Modifiers(0) }
 		if hi & 4 != 0 {
 			modifiers.set(.shift)
 		}
@@ -497,7 +497,7 @@ fn escape_sequence(buf_ string) (&Event, int) {
 	// ----------------------------
 
 	mut code := KeyCode.null
-	mut modifiers := Modifiers.ctrl
+	mut modifiers := unsafe { Modifiers(0) }
 	match buf {
 		'[A', 'OA' { code = .up }
 		'[B', 'OB' { code = .down }
diff --git a/vlib/v/checker/tests/enum_cast.out b/vlib/v/checker/tests/enum_cast.out
index a8f4f90efd59e0..815d499c9f54cd 100644
--- a/vlib/v/checker/tests/enum_cast.out
+++ b/vlib/v/checker/tests/enum_cast.out
@@ -18,10 +18,11 @@ vlib/v/checker/tests/enum_cast.vv:21:19: warning: 10 does not represent a value
    21 |     println(unsafe { Permissions(0b1010) })
       |                      ~~~~~~~~~~~~~~~~~~~
    22 |     println(unsafe { Permissions(-1) })
-   23 | }
+   23 |     println(unsafe { Permissions(0) })
 vlib/v/checker/tests/enum_cast.vv:22:19: warning: -1 does not represent a value of enum Permissions
    20 |     println(unsafe { Permissions(0b101) })
    21 |     println(unsafe { Permissions(0b1010) })
    22 |     println(unsafe { Permissions(-1) })
       |                      ~~~~~~~~~~~~~~~
-   23 | }
+   23 |     println(unsafe { Permissions(0) })
+   24 | }
diff --git a/vlib/v/checker/tests/enum_cast.vv b/vlib/v/checker/tests/enum_cast.vv
index 7004302e3e0c44..8b0a0905173d11 100644
--- a/vlib/v/checker/tests/enum_cast.vv
+++ b/vlib/v/checker/tests/enum_cast.vv
@@ -20,4 +20,5 @@ fn main() {
 	println(unsafe { Permissions(0b101) })
 	println(unsafe { Permissions(0b1010) })
 	println(unsafe { Permissions(-1) })
+	println(unsafe { Permissions(0) })
 }