Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Implement tooltip level on Windows platform #1737

Merged
merged 3 commits into from
May 2, 2021
Merged

Implement tooltip level on Windows platform #1737

Changes from 1 commit
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
f07da6a
Implement tooltip level on Windows platform
djeedai Apr 25, 2021
760e901
Added suggestion change and CHANGELOG entry
djeedai May 1, 2021
712bf67
Merge remote-tracking branch 'origin/master' into tooltip
djeedai May 1, 2021
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
102 changes: 80 additions & 22 deletions druid-shell/src/platform/windows/window.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -98,6 +98,7 @@ pub(crate) struct WindowBuilder {
transparent: bool,
min_size: Option<Size>,
position: Option<Point>,
level: Option<WindowLevel>,
state: window::WindowState,
}

Expand Down Expand Up @@ -223,6 +224,9 @@ struct WindowState {
is_resizable: Cell<bool>,
handle_titlebar: Cell<bool>,
active_text_input: Cell<Option<TextFieldToken>>,
// Is the window focusable ("activatable" in Win32 terminology)?
// False for tooltips, to prevent stealing focus from owner window.
is_focusable: bool,
}

/// Generic handler trait for the winapi window procedure entry point.
Expand Down Expand Up @@ -385,7 +389,13 @@ fn set_style(hwnd: HWND, resizable: bool, titlebar: bool) {
0,
0,
0,
SWP_SHOWWINDOW | SWP_NOMOVE | SWP_NOZORDER | SWP_FRAMECHANGED | SWP_NOSIZE,
SWP_SHOWWINDOW
| SWP_NOMOVE
| SWP_NOZORDER
| SWP_FRAMECHANGED
| SWP_NOSIZE
| SWP_NOOWNERZORDER
| SWP_NOACTIVATE,
) == 0
{
warn!(
Expand Down Expand Up @@ -543,7 +553,7 @@ impl MyWndProc {
0,
size_px.width.round() as i32,
size_px.height.round() as i32,
SWP_NOMOVE | SWP_NOZORDER,
SWP_NOMOVE | SWP_NOZORDER | SWP_NOOWNERZORDER | SWP_NOACTIVATE,
) == 0
{
warn!(
Expand All @@ -561,7 +571,7 @@ impl MyWndProc {
pos_px.y.round() as i32,
0,
0,
SWP_NOSIZE | SWP_NOZORDER,
SWP_NOSIZE | SWP_NOZORDER | SWP_NOOWNERZORDER | SWP_NOACTIVATE,
) == 0
{
warn!(
Expand All @@ -579,12 +589,16 @@ impl MyWndProc {
set_style(hwnd, resizable, self.has_titlebar());
}
DeferredOp::SetWindowState(val) => unsafe {
let s = match val {
window::WindowState::Maximized => SW_MAXIMIZE,
window::WindowState::Minimized => SW_MINIMIZE,
window::WindowState::Restored => SW_RESTORE,
};
ShowWindow(hwnd, s);
if self.handle.borrow().is_focusable() {
let s = match val {
window::WindowState::Maximized => SW_MAXIMIZE,
window::WindowState::Minimized => SW_MINIMIZE,
window::WindowState::Restored => SW_RESTORE,
};
ShowWindow(hwnd, s);
} else {
ShowWindow(hwnd, SW_SHOWNOACTIVATE);
}
},
DeferredOp::SaveAs(options, token) => {
let info = unsafe {
Expand Down Expand Up @@ -747,7 +761,9 @@ impl WndProc for MyWndProc {
| SWP_NOMOVE
| SWP_NOZORDER
| SWP_FRAMECHANGED
| SWP_NOSIZE,
| SWP_NOSIZE
| SWP_NOOWNERZORDER
| SWP_NOACTIVATE,
) == 0
{
warn!(
Expand Down Expand Up @@ -813,7 +829,11 @@ impl WndProc for MyWndProc {
(*rect).top,
(*rect).right - (*rect).left,
(*rect).bottom - (*rect).top,
SWP_NOZORDER | SWP_FRAMECHANGED | SWP_DRAWFRAME,
SWP_NOZORDER
| SWP_FRAMECHANGED
| SWP_DRAWFRAME
| SWP_NOOWNERZORDER
| SWP_NOACTIVATE,
);
Some(0)
},
Expand Down Expand Up @@ -1233,6 +1253,7 @@ impl WindowBuilder {
size: None,
min_size: None,
position: None,
level: None,
state: window::WindowState::Restored,
}
}
Expand Down Expand Up @@ -1287,8 +1308,13 @@ impl WindowBuilder {
self.state = state;
}

pub fn set_level(&mut self, _level: WindowLevel) {
warn!("WindowBuilder::set_level is currently unimplemented for Windows platforms.");
pub fn set_level(&mut self, level: WindowLevel) {
match level {
WindowLevel::AppWindow | WindowLevel::Tooltip => self.level = Some(level),
_ => {
warn!("WindowBuilder::set_level({:?}) is currently unimplemented for Windows platforms.", level);
}
}
}

pub fn build(self) -> Result<WindowHandle, Error> {
Expand Down Expand Up @@ -1330,6 +1356,28 @@ impl WindowBuilder {
None => (0 as HMENU, None, false),
};

let mut dwStyle = WS_OVERLAPPEDWINDOW;
let mut dwExStyle: DWORD = 0;
let mut focusable = true;
if let Some(level) = self.level {
match level {
WindowLevel::AppWindow => (),
WindowLevel::Tooltip => {
dwStyle = WS_POPUP;
dwExStyle = WS_EX_NOACTIVATE | WS_EX_TOOLWINDOW;
focusable = false;
}
WindowLevel::DropDown => {
dwStyle = WS_CHILD;
dwExStyle = 0;
}
WindowLevel::Modal => {
dwStyle = WS_OVERLAPPED;
dwExStyle = WS_EX_TOPMOST;
}
}
}

let window = WindowState {
hwnd: Cell::new(0 as HWND),
scale: Cell::new(scale),
Expand All @@ -1345,6 +1393,7 @@ impl WindowBuilder {
is_transparent: Cell::new(self.transparent),
handle_titlebar: Cell::new(false),
active_text_input: Cell::new(None),
is_focusable: focusable,
};
let win = Rc::new(window);
let handle = WindowHandle {
Expand All @@ -1367,14 +1416,13 @@ impl WindowBuilder {
};
win.wndproc.connect(&handle, state);

let mut dwStyle = WS_OVERLAPPEDWINDOW;
if !self.resizable {
dwStyle &= !(WS_THICKFRAME | WS_MAXIMIZEBOX);
}
if !self.show_titlebar {
dwStyle &= !(WS_MINIMIZEBOX | WS_SYSMENU | WS_OVERLAPPED);
}
let mut dwExStyle = 0;

if self.present_strategy == PresentStrategy::Flip {
dwExStyle |= WS_EX_NOREDIRECTIONBITMAP;
}
Expand Down Expand Up @@ -1413,7 +1461,7 @@ impl WindowBuilder {
0,
size_px.width.round() as i32,
size_px.height.round() as i32,
SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE,
SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOOWNERZORDER,
) == 0
{
warn!(
Expand Down Expand Up @@ -1682,12 +1730,16 @@ impl WindowHandle {
if let Some(w) = self.state.upgrade() {
let hwnd = w.hwnd.get();
unsafe {
let show = match self.get_window_state() {
window::WindowState::Maximized => SW_MAXIMIZE,
window::WindowState::Minimized => SW_MINIMIZE,
_ => SW_SHOWNORMAL,
};
ShowWindow(hwnd, show);
if w.is_focusable {
let show = match self.get_window_state() {
window::WindowState::Maximized => SW_MAXIMIZE,
window::WindowState::Minimized => SW_MINIMIZE,
_ => SW_SHOWNORMAL,
};
ShowWindow(hwnd, show);
} else {
ShowWindow(hwnd, SW_SHOWNOACTIVATE);
}
djeedai marked this conversation as resolved.
Show resolved Hide resolved
UpdateWindow(hwnd);
}
}
Expand Down Expand Up @@ -2061,6 +2113,12 @@ impl WindowHandle {
self.state.upgrade().map(|w| w.hwnd.get())
}

/// Check whether the window can receive keyboard focus. This is generally true,
/// except for special windows like tooltips.
pub fn is_focusable(&self) -> bool {
self.state.upgrade().map(|w| w.is_focusable).unwrap_or(true)
}

/// Get a handle that can be used to schedule an idle task.
pub fn get_idle_handle(&self) -> Option<IdleHandle> {
self.state.upgrade().map(|w| IdleHandle {
Expand Down