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On Windows, add drag_resize_window method support (#2966)

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Venceslas Duet 2023-07-21 20:01:56 +02:00 • committed by GitHub
parent f7a84a5b50
commit c62e64060b
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4 changed files with 44 additions and 24 deletions
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62
src/platform_impl/windows/window.rs
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@ -46,7 +46,8 @@ use windows_sys::Win32::{
IsWindowVisible, LoadCursorW, PeekMessageW, PostMessageW, RegisterClassExW, SetCursor,
SetCursorPos, SetForegroundWindow, SetWindowDisplayAffinity, SetWindowPlacement,
SetWindowPos, SetWindowTextW, CS_HREDRAW, CS_VREDRAW, CW_USEDEFAULT, FLASHWINFO,
FLASHW_ALL, FLASHW_STOP, FLASHW_TIMERNOFG, FLASHW_TRAY, GWLP_HINSTANCE, HTCAPTION,
FLASHW_ALL, FLASHW_STOP, FLASHW_TIMERNOFG, FLASHW_TRAY, GWLP_HINSTANCE, HTBOTTOM,
HTBOTTOMLEFT, HTBOTTOMRIGHT, HTCAPTION, HTLEFT, HTRIGHT, HTTOP, HTTOPLEFT, HTTOPRIGHT,
NID_READY, PM_NOREMOVE, SM_DIGITIZER, SWP_ASYNCWINDOWPOS, SWP_NOACTIVATE, SWP_NOSIZE,
SWP_NOZORDER, WDA_EXCLUDEFROMCAPTURE, WDA_NONE, WM_NCLBUTTONDOWN, WNDCLASSEXW,
},
@ -410,36 +411,53 @@ impl Window {
Ok(())
}
unsafe fn handle_os_dragging(&self, wparam: WPARAM) {
let points = {
let mut pos = mem::zeroed();
GetCursorPos(&mut pos);
pos
};
let points = POINTS {
x: points.x as i16,
y: points.y as i16,
};
ReleaseCapture();
self.window_state_lock().dragging = true;
PostMessageW(
self.hwnd(),
WM_NCLBUTTONDOWN,
wparam,
&points as *const _ as LPARAM,
);
}
#[inline]
pub fn drag_window(&self) -> Result<(), ExternalError> {
unsafe {
let points = {
let mut pos = mem::zeroed();
GetCursorPos(&mut pos);
pos
};
let points = POINTS {
x: points.x as i16,
y: points.y as i16,
};
ReleaseCapture();
self.window_state_lock().dragging = true;
PostMessageW(
self.hwnd(),
WM_NCLBUTTONDOWN,
HTCAPTION as WPARAM,
&points as *const _ as LPARAM,
);
self.handle_os_dragging(HTCAPTION as WPARAM);
}
Ok(())
}
#[inline]
pub fn drag_resize_window(&self, _direction: ResizeDirection) -> Result<(), ExternalError> {
Err(ExternalError::NotSupported(NotSupportedError::new()))
pub fn drag_resize_window(&self, direction: ResizeDirection) -> Result<(), ExternalError> {
unsafe {
self.handle_os_dragging(match direction {
ResizeDirection::East => HTRIGHT,
ResizeDirection::North => HTTOP,
ResizeDirection::NorthEast => HTTOPRIGHT,
ResizeDirection::NorthWest => HTTOPLEFT,
ResizeDirection::South => HTBOTTOM,
ResizeDirection::SouthEast => HTBOTTOMRIGHT,
ResizeDirection::SouthWest => HTBOTTOMLEFT,
ResizeDirection::West => HTLEFT,
} as WPARAM);
}
Ok(())
}
#[inline]