alex/winit-sonoma-fix
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Fixed win32 bug where resizing window wouldn't show resize cursors

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This commit is contained in:
Osspial 2016-05-07 21:00:50 -04:00
parent 524bc73039
commit 163563073f
2 changed files with 52 additions and 20 deletions
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69
src/api/win32/callback.rs
View file

@ -24,7 +24,8 @@ thread_local!(pub static CONTEXT_STASH: RefCell<Option<ThreadLocalData>> = RefCe
pub struct ThreadLocalData {
pub win: winapi::HWND,
pub sender: Sender<Event>,
pub window_state: Arc<Mutex<WindowState>>
pub window_state: Arc<Mutex<WindowState>>,
pub mouse_in_window: bool
}
struct MinMaxInfo {
@ -122,15 +123,40 @@ pub unsafe extern "system" fn callback(window: winapi::HWND, msg: winapi::UINT,
winapi::WM_MOUSEMOVE => {
use events::Event::MouseMoved;
CONTEXT_STASH.with(|context_stash| {
let mut context_stash = context_stash.borrow_mut();
if let Some(context_stash) = context_stash.as_mut() {
context_stash.mouse_in_window = true;
}
});
let x = winapi::GET_X_LPARAM(lparam) as i32;
let y = winapi::GET_Y_LPARAM(lparam) as i32;
let mut mouse_track = winapi::TRACKMOUSEEVENT {
cbSize: mem::size_of::<winapi::TRACKMOUSEEVENT>() as winapi::DWORD,
dwFlags: winapi::TME_HOVER | winapi::TME_LEAVE,
hwndTrack: window,
dwHoverTime: winapi::HOVER_DEFAULT
};
user32::TrackMouseEvent(&mut mouse_track);
send_event(window, MouseMoved((x, y)));
0
},
winapi::WM_MOUSELEAVE => {
CONTEXT_STASH.with(|context_stash| {
let mut context_stash = context_stash.borrow_mut();
if let Some(context_stash) = context_stash.as_mut() {
context_stash.mouse_in_window = false;
}
});
0
},
winapi::WM_MOUSEWHEEL => {
use events::Event::MouseWheel;
use events::MouseScrollDelta::LineDelta;
@ -264,31 +290,36 @@ pub unsafe extern "system" fn callback(window: winapi::HWND, msg: winapi::UINT,
},
winapi::WM_SETCURSOR => {
CONTEXT_STASH.with(|context_stash| {
let call_def_window_proc = CONTEXT_STASH.with(|context_stash| {
let cstash = context_stash.borrow();
let cstash = cstash.as_ref();
// there's a very bizarre borrow checker bug
// possibly related to rust-lang/rust/#23338
let _cursor_state = if let Some(cstash) = cstash {
let mut call_def_window_proc = false;
if let Some(cstash) = cstash.as_ref() {
if let Ok(window_state) = cstash.window_state.lock() {
match window_state.cursor_state {
CursorState::Normal => {
user32::SetCursor(user32::LoadCursorW(
ptr::null_mut(),
window_state.cursor));
},
CursorState::Grab | CursorState::Hide => {
user32::SetCursor(ptr::null_mut());
if cstash.mouse_in_window {
match window_state.cursor_state {
CursorState::Normal => {
user32::SetCursor(user32::LoadCursorW(
ptr::null_mut(),
window_state.cursor));
},
CursorState::Grab | CursorState::Hide => {
user32::SetCursor(ptr::null_mut());
}
}
} else {
call_def_window_proc = true;
}
}
} else {
return
};
}
// let &ThreadLocalData { ref cursor_state, .. } = stored;
call_def_window_proc
});
0
if call_def_window_proc {
user32::DefWindowProcW(window, msg, wparam, lparam)
} else {
0
}
},
winapi::WM_DROPFILES => {

3
src/api/win32/init.rs
View file

@ -169,7 +169,8 @@ unsafe fn init(title: Vec<u16>, window: &WindowAttributes) -> Result<Window, Cre
let data = callback::ThreadLocalData {
win: real_window.0,
sender: tx.take().unwrap(),
window_state: window_state.clone()
window_state: window_state.clone(),
mouse_in_window: false
};
(*context_stash.borrow_mut()) = Some(data);
});