Changelog

All notable changes to this project will be documented in this file.

Please keep one empty line before and after all headers. (This is required for git to produce a conflict when a release is made while a PR is open and the PR's changelog entry would go into the wrong section).

And please only add new entries to the top of this list, right below the # Unreleased header.

Unreleased

0.28.0

On macOS, fixed Ime::Commit persisting for all input after interacting with Ime.
On macOS, added WindowExtMacOS::option_as_alt and WindowExtMacOS::set_option_as_alt.
On Windows, fix window size for maximized, undecorated windows.
On Windows and macOS, add WindowBuilder::with_active.
Add Window::is_minimized.
On X11, fix errors handled during register_xlib_error_hook invocation bleeding into winit.
Add Window::has_focus.
On Windows, fix Window::set_minimized(false) not working for windows minimized by Win + D hotkey.
Breaking: On Web, touch input no longer fires WindowEvent::Cursor*, WindowEvent::MouseInput, or DeviceEvent::MouseMotion like other platforms, but instead it fires WindowEvent::Touch.
Breaking: Removed platform specific WindowBuilder::with_parent API in favor of WindowBuilder::with_parent_window.
On Windows, retain WS_MAXIMIZE window style when un-minimizing a maximized window.
On Windows, fix left mouse button release event not being sent after Window::drag_window.
On macOS, run most actions on the main thread, which is strictly more correct, but might make multithreaded applications block slightly more.
On macOS, fix panic when getting current monitor without any monitor attached.
On Windows and MacOS, add API to enable/disable window buttons (close, minimize, ...etc).
On Windows, macOS, X11 and Wayland, add Window::set_theme.
Breaking: Remove WindowExtWayland::wayland_set_csd_theme and WindowBuilderExtX11::with_gtk_theme_variant.
On Windows, revert window background to an empty brush to avoid white flashes when changing scaling.
Breaking: Removed Window::set_always_on_top and related APIs in favor of Window::set_window_level.
On Windows, MacOS and X11, add always on bottom APIs.
On Windows, fix the value in MouseButton::Other.
On macOS, add WindowExtMacOS::is_document_edited and WindowExtMacOS::set_document_edited APIs.
Breaking: Removed WindowBuilderExtIOS::with_root_view_class; instead, you should use [[view layer] addSublayer: ...] to add an instance of the desired layer class (e.g. CAEAGLLayer or CAMetalLayer). See vulkano-win or wgpu for examples of this.
On MacOS and Windows, add Window::set_content_protected.
On MacOS, add EventLoopBuilderExtMacOS::with_activate_ignoring_other_apps.
On Windows, fix icons specified on WindowBuilder not taking effect for windows created after the first one.
On Windows and macOS, add Window::title to query the current window title.
On Windows, fix focusing menubar when pressing Alt.
On MacOS, made accepts_first_mouse configurable.
Migrated WindowBuilderExtUnix::with_resize_increments to WindowBuilder.
Added Window::resize_increments/Window::set_resize_increments to update resize increments at runtime for X11/macOS.
macOS/iOS: Use objc2 instead of objc internally.
Breaking: Bump MSRV from 1.57 to 1.60.
Breaking: Split the platform::unix module into platform::x11 and platform::wayland. The extension types are similarly renamed.
Breaking:: Removed deprecated method platform::unix::WindowExtUnix::is_ready.
Removed parking_lot dependency.
Breaking: On macOS, add support for two-finger touchpad magnification and rotation gestures with new events WindowEvent::TouchpadMagnify and WindowEvent::TouchpadRotate. Also add support for touchpad smart-magnification gesture with a new event WindowEvent::SmartMagnify.
Breaking: On web, the WindowBuilderExtWebSys::with_prevent_default setting (enabled by default), now additionally prevents scrolling of the webpage in mobile browsers, previously it only disabled scrolling on desktop.
On Wayland, wayland-csd-adwaita now uses ab_glyph instead of crossfont to render the title for decorations.
On Wayland, a new wayland-csd-adwaita-crossfont feature was added to use crossfont instead of ab_glyph for decorations.
On Wayland, if not otherwise specified use upstream automatic CSD theme selection.
On X11, added WindowExtX11::with_parent to create child windows.
Added support for WindowBuilder::with_theme and Window::theme to support per-window dark/light/system theme configuration on macos, windows and wayland.
On macOS, added support for WindowEvent::ThemeChanged.
Breaking: Removed WindowBuilderExtWindows::with_theme and WindowBuilderExtWayland::with_wayland_csd_theme in favour of WindowBuilder::with_theme.
Breaking: Removed WindowExtWindows::theme in favour of Window::theme.
Enabled doc_auto_cfg when generating docs on docs.rs for feature labels.
Breaking: On Android, switched to using android-activity crate as a glue layer instead of ndk-glue. See README.md#Android for more details. (#2444)
Breaking: Removed support for raw-window-handle version 0.4
On Wayland, RedrawRequested not emitted during resize.
Add a set_wait_timeout function to ControlFlow to allow waiting for a Duration.
Breaking: Remove the unstable xlib_xconnection() function from the private interface.
Added Orbital support for Redox OS
On X11, added drag_resize_window method.
Added Window::set_transparent to provide a hint about transparency of the window on Wayland and macOS.
On macOS, fix the mouse buttons other than left/right/middle being reported as middle.
On Wayland, support fractional scaling via the wp-fractional-scale protocol.
On web, fix removal of mouse event listeners from the global object upon window distruction.
Add WindowAttributes getter to WindowBuilder to allow introspection of default values.
Added Window::set_ime_purpose for setting the IME purpose, currently implemented on Wayland only.

0.27.5

On Wayland, fix byte offset in Ime::Preedit pointing to invalid bytes.

0.27.4

On Windows, emit ReceivedCharacter events on system keybindings.
On Windows, fixed focus event emission on minimize.
On X11, fixed IME crashing during reload.

0.27.3

On Windows, added WindowExtWindows::set_undecorated_shadow and WindowBuilderExtWindows::with_undecorated_shadow to draw the drop shadow behind a borderless window.
On Windows, fixed default window features (ie snap, animations, shake, etc.) when decorations are disabled.
On Windows, fixed ALT+Space shortcut to open window menu.
On Wayland, fixed Ime::Preedit not being sent on IME reset.
Fixed unbound version specified for raw-window-handle leading to compilation failures.
Empty Ime::Preedit event will be sent before Ime::Commit to help clearing preedit.
On X11, fixed IME context picking by querying for supported styles beforehand.

0.27.2 (2022-8-12)

On macOS, fixed touch phase reporting when scrolling.
On X11, fix min, max and resize increment hints not persisting for resizable windows (e.g. on DPI change).
On Windows, respect min/max inner sizes when creating the window.
For backwards compatibility, Window now (additionally) implements the old version (0.4) of the HasRawWindowHandle trait
On Windows, added support for EventLoopWindowTarget::set_device_event_filter.
On Wayland, fix user requested WindowEvent::RedrawRequested being delayed by a frame.

0.27.1 (2022-07-30)

The minimum supported Rust version was lowered to 1.57.0 and now explicitly tested.
On X11, fix crash on start due to inability to create an IME context without any preedit.

0.27.0 (2022-07-26)

On Windows, fix hiding a maximized window.
On Android, ndk-glue's NativeWindow lock is now held between Event::Resumed and Event::Suspended.
On Web, added EventLoopExtWebSys with a spawn method to start the event loop without throwing an exception.
Added WindowEvent::Occluded(bool), currently implemented on macOS and X11.
On X11, fix events for caps lock key not being sent
Build docs on docs.rs for iOS and Android as well.
Breaking: Removed the WindowAttributes struct, since all its functionality is accessible from WindowBuilder.
Added WindowBuilder::transparent getter to check if the user set transparent attribute.
On macOS, Fix emitting Event::LoopDestroyed on CMD+Q.
On macOS, fixed an issue where having multiple windows would prevent run_return from ever returning.
On Wayland, fix bug where the cursor wouldn't hide in GNOME.
On macOS, Windows, and Wayland, add set_cursor_hittest to let the window ignore mouse events.
On Windows, added WindowExtWindows::set_skip_taskbar and WindowBuilderExtWindows::with_skip_taskbar.
On Windows, added EventLoopBuilderExtWindows::with_msg_hook.
On Windows, remove internally unique DC per window.
On macOS, remove the need to call set_ime_position after moving the window.
Added Window::is_visible.
Added Window::is_resizable.
Added Window::is_decorated.
On X11, fix for repeated event loop iteration when ControlFlow was Wait
On X11, fix scale factor calculation when the only monitor is reconnected
On Wayland, report unaccelerated mouse deltas in DeviceEvent::MouseMotion.
On Web, a focused event is manually generated when a click occurs to emulate behaviour of other backends.
Breaking: Bump ndk version to 0.6, ndk-sys to v0.3, ndk-glue to 0.6.
Remove no longer needed WINIT_LINK_COLORSYNC environment variable.
Breaking: Rename the Exit variant of ControlFlow to ExitWithCode, which holds a value to control the exit code after running. Add an Exit constant which aliases to ExitWithCode(0) instead to avoid major breakage. This shouldn't affect most existing programs.
Add EventLoopBuilder, which allows you to create and tweak the settings of an event loop before creating it.
Deprecated EventLoop::with_user_event; use EventLoopBuilder::with_user_event instead.
Breaking: Replaced EventLoopExtMacOS with EventLoopBuilderExtMacOS (which also has renamed methods).
Breaking: Replaced EventLoopExtWindows with EventLoopBuilderExtWindows (which also has renamed methods).
Breaking: Replaced EventLoopExtUnix with EventLoopBuilderExtUnix (which also has renamed methods).
Breaking: The platform specific extensions for Windows winit::platform::windows have changed. All HANDLE-like types e.g. HWND and HMENU were converted from winapi types or *mut c_void to isize. This was done to be consistent with the type definitions in windows-sys and to not expose internal dependencies.
The internal bindings to the Windows API were changed from the unofficial winapi bindings to the official Microsoft windows-sys bindings.
On Wayland, fix polling during consecutive EventLoop::run_return invocations.
On Windows, fix race issue creating fullscreen windows with WindowBuilder::with_fullscreen
On Android, virtual_keycode for KeyboardInput events is now filled in where a suitable match is found.
Added helper methods on ControlFlow to set its value.
On Wayland, fix TouchPhase::Ended always reporting the location of the first touch down, unless the compositor sent a cancel or frame event.
On iOS, send RedrawEventsCleared even if there are no redraw events, consistent with other platforms.
Breaking: Replaced Window::with_app_id and Window::with_class with Window::with_name on WindowBuilderExtUnix.
On Wayland, fallback CSD was replaced with proper one:
- WindowBuilderExtUnix::with_wayland_csd_theme to set color theme in builder.
- WindowExtUnix::wayland_set_csd_theme to set color theme when creating a window.
- WINIT_WAYLAND_CSD_THEME env variable was added, it can be used to set "dark"/"light" theme in apps that don't expose theme setting.
- wayland-csd-adwaita feature that enables proper CSD with title rendering using FreeType system library.
- wayland-csd-adwaita-notitle feature that enables CSD but without title rendering.
On Wayland and X11, fix window not resizing with Window::set_inner_size after calling Window:set_resizable(false).
On Windows, fix wrong fullscreen monitors being recognized when handling WM_WINDOWPOSCHANGING messages
Breaking: Added new WindowEvent::Ime supported on desktop platforms.
Added Window::set_ime_allowed supported on desktop platforms.
Breaking: IME input on desktop platforms won't be received unless it's explicitly allowed via Window::set_ime_allowed and new WindowEvent::Ime events are handled.
On macOS, WindowEvent::Resized is now emitted in frameDidChange instead of windowDidResize.
Breaking: On X11, device events are now ignored for unfocused windows by default, use EventLoopWindowTarget::set_device_event_filter to set the filter level.
Implemented Default on EventLoop<()>.
Implemented Eq for Fullscreen, Theme, and UserAttentionType.
Breaking: Window::set_cursor_grab now accepts CursorGrabMode to control grabbing behavior.
On Wayland, add support for Window::set_cursor_position.
Fix on macOS WindowBuilder::with_disallow_hidpi, setting true or false by the user no matter the SO default value.
EventLoopBuilder::build will now panic when the EventLoop is being created more than once.
Added From<u64> for WindowId and From<WindowId> for u64.
Added MonitorHandle::refresh_rate_millihertz to get monitor's refresh rate.
Breaking, Replaced VideoMode::refresh_rate with VideoMode::refresh_rate_millihertz providing better precision.
On Web, add with_prevent_default and with_focusable to WindowBuilderExtWebSys to control whether events should be propagated.
On Windows, fix focus events being sent to inactive windows.
Breaking, update raw-window-handle to v0.5 and implement HasRawDisplayHandle for Window and EventLoopWindowTarget.
On X11, add function register_xlib_error_hook into winit::platform::unix to subscribe for errors comming from Xlib.
On Android, upgrade ndk and ndk-glue dependencies to the recently released 0.7.0.
All platforms can now be relied on to emit a Resumed event. Applications are recommended to lazily initialize graphics state and windows on first resume for portability.
Breaking:: Reverse horizontal scrolling sign in MouseScrollDelta to match the direction of vertical scrolling. A positive X value now means moving the content to the right. The meaning of vertical scrolling stays the same: a positive Y value means moving the content down.
On MacOS, fix deadlock when calling set_maximized from event loop.

0.26.1 (2022-01-05)

Fix linking to the ColorSync framework on macOS 10.7, and in newer Rust versions.
On Web, implement cursor grabbing through the pointer lock API.
On X11, add mappings for numpad comma, numpad enter, numlock and pause.
On macOS, fix Pinyin IME input by reverting a change that intended to improve IME.
On Windows, fix a crash with transparent windows on Windows 11.

0.26.0 (2021-12-01)

Update raw-window-handle to v0.4. This is not a breaking change, we still implement HasRawWindowHandle from v0.3, see rust-windowing/raw-window-handle#74. Note that you might have to run cargo update -p raw-window-handle after upgrading.
On X11, bump mio to 0.8.
On Android, fixed WindowExtAndroid::config initially returning an empty Configuration.
On Android, fixed Window::scale_factor and MonitorHandle::scale_factor initially always returning 1.0.
On X11, select an appropriate visual for transparency if is requested
On Wayland and X11, fix diagonal window resize cursor orientation.
On macOS, drop the event callback before exiting.
On Android, implement Window::request_redraw
Breaking: On Web, remove the stdweb backend.
Added Window::focus_windowto bring the window to the front and set input focus.
On Wayland and X11, implement is_maximized method on Window.
On Windows, prevent ghost window from showing up in the taskbar after either several hours of use or restarting explorer.exe.
On macOS, fix issue where ReceivedCharacter was not being emitted during some key repeat events.
On Wayland, load cursor icons hand2 and hand1 for CursorIcon::Hand.
Breaking: On Wayland, Theme trait and its support types are dropped.
On Wayland, bump smithay-client-toolkit to 0.15.1.
On Wayland, implement request_user_attention with xdg_activation_v1.
On X11, emit missing WindowEvent::ScaleFactorChanged when the only monitor gets reconnected.
On X11, if RANDR based scale factor is higher than 20 reset it to 1
On Wayland, add an enabled-by-default feature called wayland-dlopen so users can opt out of using dlopen to load system libraries.
Breaking: On Android, bump ndk and ndk-glue to 0.5.
On Windows, increase wait timer resolution for more accurate timing when using WaitUntil.
On macOS, fix native file dialogs hanging the event loop.
On Wayland, implement a workaround for wrong configure size when using xdg_decoration in kwin_wayland
On macOS, fix an issue that prevented the menu bar from showing in borderless fullscreen mode.
On X11, EINTR while polling for events no longer causes a panic. Instead it will be treated as a spurious wakeup.

0.25.0 (2021-05-15)

Breaking: On macOS, replace WindowBuilderExtMacOS::with_activation_policy with EventLoopExtMacOS::set_activation_policy
On macOS, wait with activating the application until the application has initialized.
On macOS, fix creating new windows when the application has a main menu.
On Windows, fix fractional deltas for mouse wheel device events.
On macOS, fix segmentation fault after dropping the main window.
On Android, InputEvent::KeyEvent is partially implemented providing the key scancode.
Added is_maximized method to Window.
On Windows, fix bug where clicking the decoration bar would make the cursor blink.
On Windows, fix bug causing newly created windows to erroneously display the "wait" (spinning) cursor.
On macOS, wake up the event loop immediately when a redraw is requested.
On Windows, change the default window size (1024x768) to match the default on other desktop platforms (800x600).
On Windows, fix bug causing mouse capture to not be released.
On Windows, fix fullscreen not preserving minimized/maximized state.
On Android, unimplemented events are marked as unhandled on the native event loop.
On Windows, added WindowBuilderExtWindows::with_menu to set a custom menu at window creation time.
On Android, bump ndk and ndk-glue to 0.3: use predefined constants for event ident.
On macOS, fix objects captured by the event loop closure not being dropped on panic.
On Windows, fixed WindowEvent::ThemeChanged not properly firing and fixed Window::theme returning the wrong theme.
On Web, added support for DeviceEvent::MouseMotion to listen for relative mouse movements.
Added WindowBuilder::with_position to allow setting the position of a Window on creation. Supported on Windows, macOS and X11.
Added Window::drag_window. Implemented on Windows, macOS, X11 and Wayland.
On X11, bump mio to 0.7.
On Windows, added WindowBuilderExtWindows::with_owner_window to allow creating popup windows.
On Windows, added WindowExtWindows::set_enable to allow creating modal popup windows.
On macOS, emit RedrawRequested events immediately while the window is being resized.
Implement Default, Hash, and Eq for LogicalPosition, PhysicalPosition, LogicalSize, and PhysicalSize.
On macOS, initialize the Menu Bar with minimal defaults. (Can be prevented using enable_default_menu_creation)
On macOS, change the default behavior for first click when the window was unfocused. Now the window becomes focused and then emits a MouseInput event on a "first mouse click".
Implement mint (math interoperability standard types) conversions (under feature flag mint).

0.24.0 (2020-12-09)

On Windows, fix applications not exiting gracefully due to thread_event_target_callback accessing corrupted memory.
On Windows, implement Window::set_ime_position.
Breaking: On Windows, Renamed WindowBuilderExtWindows's is_dark_mode to theme.
Breaking: On Windows, renamed WindowBuilderExtWindows::is_dark_mode to theme.
On Windows, add WindowBuilderExtWindows::with_theme to set a preferred theme.
On Windows, fix bug causing message boxes to appear delayed.
On Android, calling WindowEvent::Focused now works properly instead of always returning false.
On Windows, fix Alt-Tab behaviour by removing borderless fullscreen "always on top" flag.
On Windows, fix bug preventing windows with transparency enabled from having fully-opaque regions.
Breaking: On Windows, include prefix byte in scancodes.
On Wayland, fix window not being resizeable when using WindowBuilder::with_min_inner_size.
On Unix, fix cross-compiling to wasm32 without enabling X11 or Wayland.
On Windows, fix use-after-free crash during window destruction.
On Web, fix WindowEvent::ReceivedCharacter never being sent on key input.
On macOS, fix compilation when targeting aarch64.
On X11, fix Window::request_redraw not waking the event loop.
On Wayland, the keypad arrow keys are now recognized.
Breaking Rename desktop::EventLoopExtDesktop to run_return::EventLoopExtRunReturn.
Added request_user_attention method to Window.
Breaking: On macOS, removed WindowExt::request_user_attention, use Window::request_user_attention.
Breaking: On X11, removed WindowExt::set_urgent, use Window::request_user_attention.
On Wayland, default font size in CSD increased from 11 to 17.
On Windows, fix bug causing message boxes to appear delayed.
On Android, support multi-touch.
On Wayland, extra mouse buttons are not dropped anymore.
Breaking: MouseButton::Other now uses u16.

0.23.0 (2020-10-02)

On iOS, fixed support for the "Debug View Heirarchy" feature in Xcode.
On all platforms, available_monitors and primary_monitor are now on EventLoopWindowTarget rather than EventLoop to list monitors event in the event loop.
On Unix, X11 and Wayland are now optional features (enabled by default)
On X11, fix deadlock when calling set_fullscreen_inner.
On Web, prevent the webpage from scrolling when the user is focused on a winit canvas
On Web, calling window.set_cursor_icon no longer breaks HiDPI scaling
On Windows, drag and drop is now optional (enabled by default) and can be disabled with WindowBuilderExtWindows::with_drag_and_drop(false).
On Wayland, fix deadlock when calling to set_inner_size from a callback.
On macOS, add hide__other_applications to EventLoopWindowTarget via existing EventLoopWindowTargetExtMacOS trait. hide_other_applications will hide other applications by calling -[NSApplication hideOtherApplications: nil].
On android added support for run_return.
On MacOS, Fixed fullscreen and dialog support for run_return.
On Windows, fix bug where we'd try to emit MainEventsCleared events during nested win32 event loops.
On Web, use mouse events if pointer events aren't supported. This affects Safari.
On Windows, set_ime_position is now a no-op instead of a runtime crash.
On Android, set_fullscreen is now a no-op instead of a runtime crash.
On iOS and Android, set_inner_size is now a no-op instead of a runtime crash.
On Android, fix ControlFlow::Poll not polling the Android event queue.
On macOS, add NSWindow.hasShadow support.
On Web, fix vertical mouse wheel scrolling being inverted.
On Web, implement mouse capturing for click-dragging out of the canvas.
On Web, fix ControlFlow::Exit not properly handled.
On Web (web-sys only), send WindowEvent::ScaleFactorChanged event when window.devicePixelRatio is changed.
Breaking: On Web, set_cursor_position and set_cursor_grab will now always return an error.
Breaking: PixelDelta scroll events now return a PhysicalPosition.
On NetBSD, fixed crash due to incorrect detection of the main thread.
Breaking: On X11, - key is mapped to the Minus virtual key code, instead of Subtract.
On macOS, fix inverted horizontal scroll.
Breaking: current_monitor now returns Option<MonitorHandle>.
Breaking: primary_monitor now returns Option<MonitorHandle>.
On macOS, updated core-* dependencies and cocoa.
Bump parking_lot to 0.11
On Android, bump ndk, ndk-sys and ndk-glue to 0.2. Checkout the new ndk-glue main proc attribute.
On iOS, fixed starting the app in landscape where the view still had portrait dimensions.
Deprecate the stdweb backend, to be removed in a future release
Breaking: Prefixed virtual key codes Add, Multiply, Divide, Decimal, and Subtract with Numpad.
Added Asterisk and Plus virtual key codes.
On Web (web-sys only), the Event::LoopDestroyed event is correctly emitted when leaving the page.
On Web, the WindowEvent::Destroyed event now gets emitted when a Window is dropped.
On Web (web-sys only), the event listeners are now removed when a Window is dropped or when the event loop is destroyed.
On Web, the event handler closure passed to EventLoop::run now gets dropped after the event loop is destroyed.
Breaking: On Web, the canvas element associated to a Window is no longer removed from the DOM when the Window is dropped.
On Web, WindowEvent::Resized is now emitted when Window::set_inner_size is called.
Breaking: Fullscreen enum now uses Borderless(Option<MonitorHandle>) instead of Borderless(MonitorHandle) to allow picking the current monitor.
On MacOS, fix WindowEvent::Moved ignoring the scale factor.
On Wayland, add missing virtual keycodes.
On Wayland, implement proper set_cursor_grab.
On Wayland, the cursor will use similar icons if the requested one isn't available.
On Wayland, right clicking on client side decorations will request application menu.
On Wayland, fix tracking of window size after state changes.
On Wayland, fix client side decorations not being hidden properly in fullscreen.
On Wayland, fix incorrect size event when entering fullscreen with client side decorations.
On Wayland, fix resizable attribute not being applied properly on startup.
On Wayland, fix disabled repeat rate not being handled.
On Wayland, fix decoration buttons not working after tty switch.
On Wayland, fix scaling not being applied on output re-enable.
On Wayland, fix crash when XCURSOR_SIZE is 0.
On Wayland, fix pointer getting created in some cases without pointer capability.
On Wayland, on kwin, fix space between window and decorations on startup.
Breaking: On Wayland, Theme trait was reworked.
On Wayland, disable maximize button for non-resizable window.
On Wayland, added support for set_ime_position.
On Wayland, fix crash on startup since GNOME 3.37.90.
On X11, fix incorrect modifiers state on startup.

0.22.2 (2020-05-16)

Added Clone implementation for 'static events.
On Windows, fix window intermittently hanging when ControlFlow was set to Poll.
On Windows, fix WindowBuilder::with_maximized being ignored.
On Android, minimal platform support.
On iOS, touch positions are now properly converted to physical pixels.
On macOS, updated core-* dependencies and cocoa

0.22.1 (2020-04-16)

On X11, fix ResumeTimeReached being fired too early.
On Web, replaced zero timeout for ControlFlow::Poll with requestAnimationFrame
On Web, fix a possible panic during event handling
On macOS, fix EventLoopProxy leaking memory for every instance.

0.22.0 (2020-03-09)

On Windows, fix minor timing issue in wait_until_time_or_msg
On Windows, rework handling of request_redraw() to address panics.
On macOS, fix set_simple_screen to remember frame excluding title bar.
On Wayland, fix coordinates in touch events when scale factor isn't 1.
On Wayland, fix color from close_button_icon_color not applying.
Ignore locale if unsupported by X11 backend
On Wayland, Add HiDPI cursor support
On Web, add the ability to query "Light" or "Dark" system theme send ThemeChanged on change.
Fix Event::to_static returning None for user events.
On Wayland, Hide CSD for fullscreen windows.
On Windows, ignore spurious mouse move messages.
Breaking: Move ModifiersChanged variant from DeviceEvent to WindowEvent.
On Windows, add IconExtWindows trait which exposes creating an Icon from an external file or embedded resource
Add BadIcon::OsError variant for when OS icon functionality fails
On Windows, fix crash at startup on systems that do not properly support Windows' Dark Mode
Revert On macOS, fix not sending ReceivedCharacter event for specific keys combinations.
on macOS, fix incorrect ReceivedCharacter events for some key combinations.
Breaking: Use i32 instead of u32 for position type in WindowEvent::Moved.
On macOS, a mouse motion event is now generated before every mouse click.

0.21.0 (2020-02-04)

On Windows, fixed "error: linking with link.exe failed: exit code: 1120" error on older versions of windows.
On macOS, fix set_minimized(true) works only with decorations.
On macOS, add hide_application to EventLoopWindowTarget via a new EventLoopWindowTargetExtMacOS trait. hide_application will hide the entire application by calling -[NSApplication hide: nil].
On macOS, fix not sending ReceivedCharacter event for specific keys combinations.
On macOS, fix CursorMoved event reporting the cursor position using logical coordinates.
On macOS, fix issue where unbundled applications would sometimes open without being focused.
On macOS, fix run_return does not return unless it receives a message.
On Windows, fix bug where RedrawRequested would only get emitted every other iteration of the event loop.
On X11, fix deadlock on window state when handling certain window events.
WindowBuilder now implements Default.
Breaking: WindowEvent::CursorMoved changed to f64 units, preserving high-precision data supplied by most backends
On Wayland, fix coordinates in mouse events when scale factor isn't 1
On Web, add the ability to provide a custom canvas
Breaking: On Wayland, the WaylandTheme struct has been replaced with a Theme trait, allowing for extra configuration

0.20.0 (2020-01-05)

On X11, fix ModifiersChanged emitting incorrect modifier change events
Breaking: Overhaul how Winit handles DPI:
- Window functions and events now return PhysicalSize instead of LogicalSize.
- Functions that take Size or Position types can now take either Logical or Physical types.
- hidpi_factor has been renamed to scale_factor.
- HiDpiFactorChanged has been renamed to ScaleFactorChanged, and lets you control how the OS resizes the window in response to the change.
- On X11, deprecate WINIT_HIDPI_FACTOR environment variable in favor of WINIT_X11_SCALE_FACTOR.
- Size and Position types are now generic over their exact pixel type.

0.20.0 Alpha 6 (2020-01-03)

On macOS, fix set_cursor_visible hides cursor outside of window.
On macOS, fix CursorEntered and CursorLeft events fired at old window size.
On macOS, fix error when set_fullscreen is called during fullscreen transition.
On all platforms except mobile and WASM, implement Window::set_minimized.
On X11, fix CursorEntered event being generated for non-winit windows.
On macOS, fix crash when starting maximized without decorations.
On macOS, fix application not terminating on run_return.
On Wayland, fix cursor icon updates on window borders when using CSD.
On Wayland, under mutter(GNOME Wayland), fix CSD being behind the status bar, when starting window in maximized mode.
On Windows, theme the title bar according to whether the system theme is "Light" or "Dark".
Added WindowEvent::ThemeChanged variant to handle changes to the system theme. Currently only implemented on Windows.
Breaking: Changes to the RedrawRequested event (#1041):
- RedrawRequested has been moved from WindowEvent to Event.
- EventsCleared has been renamed to MainEventsCleared.
- RedrawRequested is now issued only after MainEventsCleared.
- RedrawEventsCleared is issued after each set of RedrawRequested events.
Implement synthetic window focus key events on Windows.
Breaking: Change ModifiersState to a bitflags struct.
On Windows, implement VirtualKeyCode translation for LWin and RWin.
On Windows, fix closing the last opened window causing DeviceEvents to stop getting emitted.
On Windows, fix Window::set_visible not setting internal flags correctly. This resulted in some weird behavior.
Add DeviceEvent::ModifiersChanged.
- Deprecate modifiers fields in other events in favor of ModifiersChanged.
On X11, WINIT_HIDPI_FACTOR now dominates Xft.dpi when picking DPI factor for output.
On X11, add special value randr for WINIT_HIDPI_FACTOR to make winit use self computed DPI factor instead of the one from Xft.dpi.

0.20.0 Alpha 5 (2019-12-09)

On macOS, fix application termination on ControlFlow::Exit
On Windows, fix missing ReceivedCharacter events when Alt is held.
On macOS, stop emitting private corporate characters in ReceivedCharacter events.
On X11, fix misreporting DPI factor at startup.
On X11, fix events not being reported when using run_return.
On X11, fix key modifiers being incorrectly reported.
On X11, fix window creation hanging when another window is fullscreen.
On Windows, fix focusing unfocused windows when switching from fullscreen to windowed.
On X11, fix reporting incorrect DPI factor when waking from suspend.
Change EventLoopClosed to contain the original event.
Breaking: Add is_synthetic field to WindowEvent variant KeyboardInput, indicating that the event is generated by winit.
On X11, generate synthetic key events for keys held when a window gains or loses focus.
On X11, issue a CursorMoved event when a Touch event occurs, as X11 implicitly moves the cursor for such events.

0.20.0 Alpha 4 (2019-10-18)

Add web support via the 'stdweb' or 'web-sys' features
On Windows, implemented function to get HINSTANCE
On macOS, implement run_return.
On iOS, fix inverted parameter in set_prefers_home_indicator_hidden.
On X11, performance is improved when rapidly calling Window::set_cursor_icon.
On iOS, fix improper msg_send usage that was UB and/or would break if ! is stabilized.
On Windows, unset maximized when manually changing the window's position or size.
On Windows, add touch pressure information for touch events.
On macOS, differentiate between CursorIcon::Grab and CursorIcon::Grabbing.
On Wayland, fix event processing sometimes stalling when using OpenGL with vsync.
Officially remove the Emscripten backend.
On Windows, fix handling of surrogate pairs when dispatching ReceivedCharacter.
On macOS 10.15, fix freeze upon exiting exclusive fullscreen mode.
On iOS, fix panic upon closing the app.
On X11, allow setting mulitple XWindowTypes.
On iOS, fix null window on initial HiDpiFactorChanged event.
On Windows, fix fullscreen window shrinking upon getting restored to a normal window.
On macOS, fix events not being emitted during modal loops, such as when windows are being resized by the user.
On Windows, fix hovering the mouse over the active window creating an endless stream of CursorMoved events.
Always dispatch a RedrawRequested event after creating a new window.
On X11, return dummy monitor data to avoid panicking when no monitors exist.
On X11, prevent stealing input focus when creating a new window. Only steal input focus when entering fullscreen mode.
On Wayland, fixed DeviceEvents for relative mouse movement is not always produced
On Wayland, add support for set_cursor_visible and set_cursor_grab.
On Wayland, fixed DeviceEvents for relative mouse movement is not always produced.
Removed derivative crate dependency.
On Wayland, add support for set_cursor_icon.
Use impl Iterator<Item = MonitorHandle> instead of AvailableMonitorsIter consistently.
On macOS, fix fullscreen state being updated after entering fullscreen instead of before, resulting in Window::fullscreen returning the old state in Resized events instead of reflecting the new fullscreen state
On X11, fix use-after-free during window creation
On Windows, disable monitor change keyboard shortcut while in exclusive fullscreen.
On Windows, ensure that changing a borderless fullscreen window's monitor via keyboard shortcuts keeps the window fullscreen on the new monitor.
Prevent EventLoop::new and EventLoop::with_user_event from getting called outside the main thread.
- This is because some platforms cannot run the event loop outside the main thread. Preventing this reduces the potential for cross-platform compatibility gotchyas.
On Windows and Linux X11/Wayland, add platform-specific functions for creating an EventLoop outside the main thread.
On Wayland, drop resize events identical to the current window size.
On Windows, fix window rectangle not getting set correctly on high-DPI systems.

0.20.0 Alpha 3 (2019-08-14)

On macOS, drop the run closure on exit.
On Windows, location of WindowEvent::Touch are window client coordinates instead of screen coordinates.
On X11, fix delayed events after window redraw.
On macOS, add WindowBuilderExt::with_disallow_hidpi to have the option to turn off best resolution openGL surface.
On Windows, screen saver won't start if the window is in fullscreen mode.
Change all occurrences of the new_user_event method to with_user_event.
On macOS, the dock and the menu bar are now hidden in fullscreen mode.
Window::set_fullscreen now takes Option<Fullscreen> where Fullscreen consists of Fullscreen::Exclusive(VideoMode) and Fullscreen::Borderless(MonitorHandle) variants.
- Adds support for exclusive fullscreen mode.
On iOS, add support for hiding the home indicator.
On iOS, add support for deferring system gestures.
On iOS, fix a crash that occurred while acquiring a monitor's name.
On iOS, fix armv7-apple-ios compile target.
Removed the T: Clone requirement from the Clone impl of EventLoopProxy<T>.
On iOS, disable overscan compensation for external displays (removes black bars surrounding the image).
On Linux, the functions is_wayland, is_x11, xlib_xconnection and wayland_display have been moved to a new EventLoopWindowTargetExtUnix trait.
On iOS, add set_prefers_status_bar_hidden extension function instead of hijacking set_decorations for this purpose.
On macOS and iOS, corrected the auto trait impls of EventLoopProxy.
On iOS, add touch pressure information for touch events.
Implement raw_window_handle::HasRawWindowHandle for Window type on all supported platforms.
On macOS, fix the signature of -[NSView drawRect:].
On iOS, fix the behavior of ControlFlow::Poll. It wasn't polling if that was the only mode ever used by the application.
On iOS, fix DPI sent out by views on creation was 0.0 - now it gives a reasonable number.
On iOS, RedrawRequested now works for gl/metal backed views.
On iOS, RedrawRequested is generally ordered after EventsCleared.

0.20.0 Alpha 2 (2019-07-09)

On X11, non-resizable windows now have maximize explicitly disabled.
On Windows, support paths longer than MAX_PATH (260 characters) in WindowEvent::DroppedFile and WindowEvent::HoveredFile.
On Mac, implement DeviceEvent::Button.
Change Event::Suspended(true / false) to Event::Suspended and Event::Resumed.
On X11, fix sanity check which checks that a monitor's reported width and height (in millimeters) are non-zero when calculating the DPI factor.
Revert the use of invisible surfaces in Wayland, which introduced graphical glitches with OpenGL (#835)
On X11, implement _NET_WM_PING to allow desktop environment to kill unresponsive programs.
On Windows, when a window is initially invisible, it won't take focus from the existing visible windows.
On Windows, fix multiple calls to request_redraw during EventsCleared sending multiple RedrawRequested events.
On Windows, fix edge case where RedrawRequested could be dispatched before input events in event loop iteration.
On Windows, fix timing issue that could cause events to be improperly dispatched after RedrawRequested but before EventsCleared.
On macOS, drop unused Metal dependency.
On Windows, fix the trail effect happening on transparent decorated windows. Borderless (or un-decorated) windows were not affected.
On Windows, fix with_maximized not properly setting window size to entire window.
On macOS, change WindowExtMacOS::request_user_attention() to take an enum instead of a bool.

0.20.0 Alpha 1 (2019-06-21)

Changes below are considered breaking.
Change all occurrences of EventsLoop to EventLoop.
Previously flat API is now exposed through event, event_loop, monitor, and window modules.
os module changes:
- Renamed to platform.
- All traits now have platform-specific suffixes.
- Exposes new desktop module on Windows, Mac, and Linux.
Changes to event loop types:
- EventLoopProxy::wakeup has been removed in favor of send_event.
- Major: New run method drives winit event loop.
  - Returns ! to ensure API behaves identically across all supported platforms.
    - This allows emscripten implementation to work without lying about the API.
  - ControlFlow's variants have been replaced with Wait, WaitUntil(Instant), Poll, and Exit.
    - Is read after EventsCleared is processed.
    - Wait waits until new events are available.
    - WaitUntil waits until either new events are available or the provided time has been reached.
    - Poll instantly resumes the event loop.
    - Exit aborts the event loop.
  - Takes a closure that implements 'static + FnMut(Event<T>, &EventLoop<T>, &mut ControlFlow).
    - &EventLoop<T> is provided to allow new Windows to be created.
- Major: platform::desktop module exposes EventLoopExtDesktop trait with run_return method.
  - Behaves identically to run, but returns control flow to the calling context and can take non-'static closures.
- EventLoop's poll_events and run_forever methods have been removed in favor of run and run_return.
Changes to events:
- Remove Event::Awakened in favor of Event::UserEvent(T).
  - Can be sent with EventLoopProxy::send_event.
- Rename WindowEvent::Refresh to WindowEvent::RedrawRequested.
  - RedrawRequested can be sent by the user with the Window::request_redraw method.
- EventLoop, EventLoopProxy, and Event are now generic over T, for use in UserEvent.
- Major: Add NewEvents(StartCause), EventsCleared, and LoopDestroyed variants to Event.
  - NewEvents is emitted when new events are ready to be processed by event loop.
    - StartCause describes why new events are available, with ResumeTimeReached, Poll, WaitCancelled, and Init (sent once at start of loop).
  - EventsCleared is emitted when all available events have been processed.
    - Can be used to perform logic that depends on all events being processed (e.g. an iteration of a game loop).
  - LoopDestroyed is emitted when the run or run_return method is about to exit.
Rename MonitorId to MonitorHandle.
Removed serde implementations from ControlFlow.
Rename several functions to improve both internal consistency and compliance with Rust API guidelines.
Remove WindowBuilder::multitouch field, since it was only implemented on a few platforms. Multitouch is always enabled now.
Breaking: On macOS, change ns identifiers to use snake_case for consistency with iOS's ui identifiers.
Add MonitorHandle::video_modes method for retrieving supported video modes for the given monitor.
On Wayland, the window now exists even if nothing has been drawn.
On Windows, fix initial dimensions of a fullscreen window.
On Windows, Fix transparent borderless windows rendering wrong.

Version 0.19.1 (2019-04-08)

On Wayland, added a get_wayland_display function to EventsLoopExt.
On Windows, fix CursorMoved(0, 0) getting dispatched on window focus.
On macOS, fix command key event left and right reverse.
On FreeBSD, NetBSD, and OpenBSD, fix build of X11 backend.
On Linux, the numpad's add, subtract and divide keys are now mapped to the Add, Subtract and Divide virtual key codes
On macOS, the numpad's subtract key has been added to the Subtract mapping
On Wayland, the numpad's home, end, page up and page down keys are now mapped to the Home, End, PageUp and PageDown virtual key codes
On Windows, fix icon not showing up in corner of window.
On X11, change DPI scaling factor behavior. First, winit tries to read it from "Xft.dpi" XResource, and uses DPI calculation from xrandr dimensions as fallback behavior.

Version 0.19.0 (2019-03-06)

On X11, we will use the faster XRRGetScreenResourcesCurrent function instead of XRRGetScreenResources when available.
On macOS, fix keycodes being incorrect when using a non-US keyboard layout.
On Wayland, fix with_title() not setting the windows title
On Wayland, add set_wayland_theme() to control client decoration color theme
Added serde serialization to os::unix::XWindowType.
Breaking: Remove the icon_loading feature and the associated image dependency.
On X11, make event loop thread safe by replacing XNextEvent with select(2) and XCheckIfEvent
On Windows, fix malformed function pointer typecast that could invoke undefined behavior.
Refactored Windows state/flag-setting code.
On Windows, hiding the cursor no longer hides the cursor for all Winit windows - just the one hide_cursor was called on.
On Windows, cursor grabs used to get perpetually canceled when the grabbing window lost focus. Now, cursor grabs automatically get re-initialized when the window regains focus and the mouse moves over the client area.
On Windows, only vertical mouse wheel events were handled. Now, horizontal mouse wheel events are also handled.
On Windows, ignore the AltGr key when populating the ModifersState type.

Version 0.18.1 (2018-12-30)

On macOS, fix Yen (JIS) so applications receive the event.
On X11 with a tiling WM, fixed high CPU usage when moving windows across monitors.
On X11, fixed panic caused by dropping the window before running the event loop.
on macOS, added WindowExt::set_simple_fullscreen which does not require a separate space
Introduce WindowBuilderExt::with_app_id to allow setting the application ID on Wayland.
On Windows, catch panics in event loop child thread and forward them to the parent thread. This prevents an invocation of undefined behavior due to unwinding into foreign code.
On Windows, fix issue where resizing or moving window combined with grabbing the cursor would freeze program.
On Windows, fix issue where resizing or moving window would eat Awakened events.
On Windows, exiting fullscreen after entering fullscreen with disabled decorations no longer shrinks window.
On X11, fixed a segfault when using virtual monitors with XRandR.
Derive Ord and PartialOrd for VirtualKeyCode enum.
On Windows, fix issue where hovering or dropping a non file item would create a panic.
On Wayland, fix resizing and DPI calculation when a wl_output is removed without sending a leave event to the wl_surface, such as disconnecting a monitor from a laptop.
On Wayland, DPI calculation is handled by smithay-client-toolkit.
On X11, WindowBuilder::with_min_dimensions and WindowBuilder::with_max_dimensions now correctly account for DPI.
Added support for generating dummy DeviceIds and WindowIds to better support unit testing.
On macOS, fixed unsoundness in drag-and-drop that could result in drops being rejected.
On macOS, implemented WindowEvent::Refresh.
On macOS, all MouseCursor variants are now implemented and the cursor will no longer reset after unfocusing.
Removed minimum supported Rust version guarantee.

Version 0.18.0 (2018-11-07)

Breaking: image crate upgraded to 0.20. This is exposed as part of the icon_loading API.
On Wayland, pointer events will now provide the current modifiers state.
On Wayland, titles will now be displayed in the window header decoration.
On Wayland, key repetition is now ended when keyboard loses focus.
On Wayland, windows will now use more stylish and modern client side decorations.
On Wayland, windows will use server-side decorations when available.
Breaking: Added support for F16-F24 keys (variants were added to the VirtualKeyCode enum).
Fixed graphical glitches when resizing on Wayland.
On Windows, fix freezes when performing certain actions after a window resize has been triggered. Reintroduces some visual artifacts when resizing.
Updated window manager hints under X11 to v1.5 of Extended Window Manager Hints.
Added WindowBuilderExt::with_gtk_theme_variant to X11-specific WindowBuilder functions.
Fixed UTF8 handling bug in X11 set_title function.
On Windows, Window::set_cursor now applies immediately instead of requiring specific events to occur first.
On Windows, the HoveredFile and HoveredFileCancelled events are now implemented.
On Windows, fix Window::set_maximized.
On Windows 10, fix transparency (#260).
On macOS, fix modifiers during key repeat.
Implemented the Debug trait for Window, EventsLoop, EventsLoopProxy and WindowBuilder.
On X11, now a Resized event will always be generated after a DPI change to ensure the window's logical size is consistent with the new DPI.
Added further clarifications to the DPI docs.
On Linux, if neither X11 nor Wayland manage to initialize, the corresponding panic now consists of a single line only.
Add optional serde feature with implementations of Serialize/Deserialize for DPI types and various event types.
Add PartialEq, Eq, and Hash implementations on public types that could have them but were missing them.
On X11, drag-and-drop receiving an unsupported drop type can no longer cause the WM to freeze.
Fix issue whereby the OpenGL context would not appear at startup on macOS Mojave (#1069).
Breaking: Removed From<NSApplicationActivationPolicy> impl from ActivationPolicy on macOS.
On macOS, the application can request the user's attention with WindowExt::request_user_attention.

Version 0.17.2 (2018-08-19)

On macOS, fix <C-Tab> so applications receive the event.
On macOS, fix <Cmd-{key}> so applications receive the event.
On Wayland, key press events will now be repeated.

Version 0.17.1 (2018-08-05)

On X11, prevent a compilation failure in release mode for versions of Rust greater than or equal to 1.30.
Fixed deadlock that broke fullscreen mode on Windows.

Version 0.17.0 (2018-08-02)

Cocoa and core-graphics updates.
Fixed thread-safety issues in several Window functions on Windows.
On MacOS, the key state for modifiers key events is now properly set.
On iOS, the view is now set correctly. This makes it possible to render things (instead of being stuck on a black screen), and touch events work again.
Added NetBSD support.
Breaking: On iOS, UIView is now the default root view. WindowBuilderExt::with_root_view_class can be used to set the root view objective-c class to GLKView (OpenGLES) or MTKView (Metal/MoltenVK).
On iOS, the UIApplication is not started until Window::new is called.
Fixed thread unsafety with cursor hiding on macOS.
On iOS, fixed the size of the JmpBuf type used for setjmp/longjmp calls. Previously this was a buffer overflow on most architectures.
On Windows, use cached window DPI instead of repeatedly querying the system. This fixes sporadic crashes on Windows 7.

Version 0.16.2 (2018-07-07)

On Windows, non-resizable windows now have the maximization button disabled. This is consistent with behavior on macOS and popular X11 WMs.
Corrected incorrect unreachable! usage when guessing the DPI factor with no detected monitors.

Version 0.16.1 (2018-07-02)

Added logging through log. Logging will become more extensive over time.
On X11 and Windows, the window's DPI factor is guessed before creating the window. This greatly cuts back on unsightly auto-resizing that would occur immediately after window creation.
Fixed X11 backend compilation for environments where c_char is unsigned.

Version 0.16.0 (2018-06-25)

Windows additionally has WindowBuilderExt::with_no_redirection_bitmap.
Breaking: Removed VirtualKeyCode::LMenu and VirtualKeyCode::RMenu; Windows now generates VirtualKeyCode::LAlt and VirtualKeyCode::RAlt instead.
On X11, exiting fullscreen no longer leaves the window in the monitor's top left corner.
Breaking: Window::hidpi_factor has been renamed to Window::get_hidpi_factor for better consistency. WindowEvent::HiDPIFactorChanged has been renamed to WindowEvent::HiDpiFactorChanged. DPI factors are always represented as f64 instead of f32 now.
The Windows backend is now DPI aware. WindowEvent::HiDpiFactorChanged is implemented, and MonitorId::get_hidpi_factor and Window::hidpi_factor return accurate values.
Implemented WindowEvent::HiDpiFactorChanged on X11.
On macOS, Window::set_cursor_position is now relative to the client area.
On macOS, setting the maximum and minimum dimensions now applies to the client area dimensions rather than to the window dimensions.
On iOS, MonitorId::get_dimensions has been implemented and both MonitorId::get_hidpi_factor and Window::get_hidpi_factor return accurate values.
On Emscripten, MonitorId::get_hidpi_factor now returns the same value as Window::get_hidpi_factor (it previously would always return 1.0).
Breaking: The entire API for sizes, positions, etc. has changed. In the majority of cases, winit produces and consumes positions and sizes as LogicalPosition and LogicalSize, respectively. The notable exception is MonitorId methods, which deal in PhysicalPosition and PhysicalSize. See the documentation for specifics and explanations of the types. Additionally, winit automatically conserves logical size when the DPI factor changes.
Breaking: All deprecated methods have been removed. For Window::platform_display and Window::platform_window, switch to the appropriate platform-specific WindowExt methods. For Window::get_inner_size_points and Window::get_inner_size_pixels, use the LogicalSize returned by Window::get_inner_size and convert as needed.
HiDPI support for Wayland.
EventsLoop::get_available_monitors and EventsLoop::get_primary_monitor now have identical counterparts on Window, so this information can be acquired without an EventsLoop borrow.
AvailableMonitorsIter now implements Debug.
Fixed quirk on macOS where certain keys would generate characters at twice the normal rate when held down.
On X11, all event loops now share the same XConnection.
Breaking: Window::set_cursor_state and CursorState enum removed in favor of the more composable Window::grab_cursor and Window::hide_cursor. As a result, grabbing the cursor no longer automatically hides it; you must call both methods to retain the old behavior on Windows and macOS. Cursor::NoneCursor has been removed, as it's no longer useful.
Breaking: Window::set_cursor_position now returns Result<(), String>, thus allowing for Box<Error> conversion via ?.

Version 0.15.1 (2018-06-13)

On X11, the Moved event is no longer sent when the window is resized without changing position.
MouseCursor and CursorState now implement Default.
WindowBuilder::with_resizable implemented for Windows, X11, Wayland, and macOS.
Window::set_resizable implemented for Windows, X11, Wayland, and macOS.
On X11, if the monitor's width or height in millimeters is reported as 0, the DPI is now 1.0 instead of +inf.
On X11, the environment variable WINIT_HIDPI_FACTOR has been added for overriding DPI factor.
On X11, enabling transparency no longer causes the window contents to flicker when resizing.
On X11, with_override_redirect now actually enables override redirect.
macOS now generates VirtualKeyCode::LAlt and VirtualKeyCode::RAlt instead of None for both.
On macOS, VirtualKeyCode::RWin and VirtualKeyCode::LWin are no longer switched.
On macOS, windows without decorations can once again be resized.
Fixed race conditions when creating an EventsLoop on X11, most commonly manifesting as "[xcb] Unknown sequence number while processing queue".
On macOS, CursorMoved and MouseInput events are only generated if they occurs within the window's client area.
On macOS, resizing the window no longer generates a spurious MouseInput event.

Version 0.15.0 (2018-05-22)

Icon::to_cardinals is no longer public, since it was never supposed to be.
Wayland: improve diagnostics if initialization fails
Fix some system event key doesn't work when focused, do not block keyevent forward to system on macOS
On X11, the scroll wheel position is now correctly reset on i3 and other WMs that have the same quirk.
On X11, Window::get_current_monitor now reliably returns the correct monitor.
On X11, Window::hidpi_factor returns values from XRandR rather than the inaccurate values previously queried from the core protocol.
On X11, the primary monitor is detected correctly even when using versions of XRandR less than 1.5.
MonitorId now implements Debug.
Fixed bug on macOS where using with_decorations(false) would cause set_decorations(true) to produce a transparent titlebar with no title.
Implemented MonitorId::get_position on macOS.
On macOS, Window::get_current_monitor now returns accurate values.
Added WindowBuilderExt::with_resize_increments to macOS.
Breaking: On X11, WindowBuilderExt::with_resize_increments and WindowBuilderExt::with_base_size now take u32 values rather than i32.
macOS keyboard handling has been overhauled, allowing for the use of dead keys, IME, etc. Right modifier keys are also no longer reported as being left.
Added the Window::set_ime_spot(x: i32, y: i32) method, which is implemented on X11 and macOS.
Breaking: os::unix::WindowExt::send_xim_spot(x: i16, y: i16) no longer exists. Switch to the new Window::set_ime_spot(x: i32, y: i32), which has equivalent functionality.
Fixed detection of Pause and Scroll keys on Windows.
On Windows, alt-tabbing while the cursor is grabbed no longer makes it impossible to re-grab the cursor.
On Windows, using CursorState::Hide when the cursor is grabbed now ungrabs the cursor first.
Implemented MouseCursor::NoneCursor on Windows.
Added WindowBuilder::with_always_on_top and Window::set_always_on_top. Implemented on Windows, macOS, and X11.
On X11, WindowBuilderExt now has with_class, with_override_redirect, and with_x11_window_type to allow for more control over window creation. WindowExt additionally has set_urgent.
More hints are set by default on X11, including _NET_WM_PID and WM_CLIENT_MACHINE. Note that prior to this, the WM_CLASS hint was automatically set to whatever value was passed to with_title. It's now set to the executable name to better conform to expectations and the specification; if this is undesirable, you must explicitly use WindowBuilderExt::with_class.

Version 0.14.0 (2018-05-09)

Created the Copy, Paste and Cut VirtualKeyCodes and added support for them on X11 and Wayland
Fix .with_decorations(false) in macOS
On Mac, NSWindow and supporting objects might be alive long after they were closed which resulted in apps consuming more heap then needed. Mainly it was affecting multi window applications. Not expecting any user visible change of behaviour after the fix.
Fix regression of Window platform extensions for macOS where NSFullSizeContentViewWindowMask was not being correctly applied to .fullsize_content_view.
Corrected get_position on Windows to be relative to the screen rather than to the taskbar.
Corrected Moved event on Windows to use position values equivalent to those returned by get_position. It previously supplied client area positions instead of window positions, and would additionally interpret negative values as being very large (around u16::MAX).
Implemented Moved event on macOS.
On X11, the Moved event correctly use window positions rather than client area positions. Additionally, a stray Moved that unconditionally accompanied Resized with the client area position relative to the parent has been eliminated; Moved is still received alongside Resized, but now only once and always correctly.
On Windows, implemented all variants of DeviceEvent other than Text. Mouse DeviceEvents are now received even if the window isn't in the foreground.
DeviceId on Windows is no longer a unit struct, and now contains a u32. For WindowEvents, this will always be 0, but on DeviceEvents it will be the handle to that device. DeviceIdExt::get_persistent_identifier can be used to acquire a unique identifier for that device that persists across replugs/reboots/etc.
Corrected run_forever on X11 to stop discarding Awakened events.
Various safety and correctness improvements to the X11 backend internals.
Fixed memory leak on X11 every time the mouse entered the window.
On X11, drag and drop now works reliably in release mode.
Added WindowBuilderExt::with_resize_increments and WindowBuilderExt::with_base_size to X11, allowing for more optional hints to be set.
Rework of the wayland backend, migrating it to use Smithay's Client Toolkit.
Added WindowBuilder::with_window_icon and Window::set_window_icon, finally making it possible to set the window icon on Windows and X11. The icon_loading feature can be enabled to allow for icons to be easily loaded; see example program window_icon.rs for usage.
Windows additionally has WindowBuilderExt::with_taskbar_icon and WindowExt::set_taskbar_icon.
On Windows, fix panic when trying to call set_fullscreen(None) on a window that has not been fullscreened prior.

Version 0.13.1 (2018-04-26)

Ensure necessary x11-dl version is used.

Version 0.13.0 (2018-04-25)

Implement WindowBuilder::with_maximized, Window::set_fullscreen, Window::set_maximized and Window::set_decorations for MacOS.
Implement WindowBuilder::with_maximized, Window::set_fullscreen, Window::set_maximized and Window::set_decorations for Windows.
On Windows, WindowBuilder::with_fullscreen no longer changing monitor display resolution.
Overhauled X11 window geometry calculations. get_position and set_position are more universally accurate across different window managers, and get_outer_size actually works now.
Fixed SIGSEGV/SIGILL crashes on macOS caused by stabilization of the ! (never) type.
Implement WindowEvent::HiDPIFactorChanged for macOS
On X11, input methods now work completely out of the box, no longer requiring application developers to manually call setlocale. Additionally, when input methods are started, stopped, or restarted on the server end, it's correctly handled.
Implemented Refresh event on Windows.
Properly calculate the minimum and maximum window size on Windows, including window decorations.
Map more MouseCursor variants to cursor icons on Windows.
Corrected get_position on macOS to return outer frame position, not content area position.
Corrected set_position on macOS to set outer frame position, not content area position.
Added get_inner_position method to Window, which gets the position of the window's client area. This is implemented on all applicable platforms (all desktop platforms other than Wayland, where this isn't possible).
Breaking: the Closed event has been replaced by CloseRequested and Destroyed. To migrate, you typically just need to replace all usages of Closed with CloseRequested; see example programs for more info. The exception is iOS, where Closed must be replaced by Destroyed.

Version 0.12.0 (2018-04-06)

Added subclass to macos windows so they can be made resizable even with no decorations.
Dead keys now work properly on X11, no longer resulting in a panic.
On X11, input method creation first tries to use the value from the user's XMODIFIERS environment variable, so application developers should no longer need to manually call XSetLocaleModifiers. If that fails, fallbacks are tried, which should prevent input method initialization from ever outright failing.
Fixed thread safety issues with input methods on X11.
Add support for Touch for win32 backend.
Fixed Window::get_inner_size and friends to return the size in pixels instead of points when using HIDPI displays on OSX.

Version 0.11.3 (2018-03-28)

Added set_min_dimensions and set_max_dimensions methods to Window, and implemented on Windows, X11, Wayland, and OSX.
On X11, dropping a Window actually closes it now, and clicking the window's × button (or otherwise having the WM signal to close it) will result in the window closing.
Added WindowBuilderExt methods for macos: with_titlebar_transparent, with_title_hidden, with_titlebar_buttons_hidden, with_fullsize_content_view.
Mapped X11 numpad keycodes (arrows, Home, End, PageUp, PageDown, Insert and Delete) to corresponding virtual keycodes

Version 0.11.2 (2018-03-06)

Impl Hash, PartialEq, and Eq for events::ModifiersState.
Implement MonitorId::get_hidpi_factor for MacOS.
Added method os::macos::MonitorIdExt::get_nsscreen() -> *mut c_void that gets a NSScreen object matching the monitor ID.
Send Awakened event on Android when event loop is woken up.

Version 0.11.1 (2018-02-19)

Fixed windows not receiving mouse events when click-dragging the mouse outside the client area of a window, on Windows platforms.
Added method os::android::EventsLoopExt:set_suspend_callback(Option<Box<Fn(bool) -> ()>>) that allows glutin to register a callback when a suspend event happens

Version 0.11.0 (2018-02-09)

Implement MonitorId::get_dimensions for Android.
Added method os::macos::WindowBuilderExt::with_movable_by_window_background(bool) that allows to move a window without a titlebar - with_decorations(false)
Implement Window::set_fullscreen, Window::set_maximized and Window::set_decorations for Wayland.
Added Caret as VirtualKeyCode and support OSX ^-Key with german input.

Version 0.10.1 (2018-02-05)

Yanked

Version 0.10.0 (2017-12-27)

Add support for Touch for emscripten backend.
Added support for DroppedFile, HoveredFile, and HoveredFileCancelled to X11 backend.
Breaking: unix::WindowExt no longer returns pointers for things that aren't actually pointers; get_xlib_window now returns Option<std::os::raw::c_ulong> and get_xlib_screen_id returns Option<std::os::raw::c_int>. Additionally, methods that previously returned libc::c_void have been changed to return std::os::raw::c_void, which are not interchangeable types, so users wanting the former will need to explicitly cast.
Added set_decorations method to Window to allow decorations to be toggled after the window is built. Presently only implemented on X11.
Raised the minimum supported version of Rust to 1.20 on MacOS due to usage of associated constants in new versions of cocoa and core-graphics.
Added modifiers field to MouseInput, MouseWheel, and CursorMoved events to track the modifiers state (ModifiersState).
Fixed the emscripten backend to return the size of the canvas instead of the size of the window.

Version 0.9.0 (2017-12-01)

Added event WindowEvent::HiDPIFactorChanged.
Added method MonitorId::get_hidpi_factor.
Deprecated get_inner_size_pixels and get_inner_size_points methods of Window in favor of get_inner_size.
Breaking: EventsLoop is !Send and !Sync because of platform-dependant constraints, but Window, WindowId, DeviceId and MonitorId guaranteed to be Send.
MonitorId::get_position now returns (i32, i32) instead of (u32, u32).
Rewrite of the wayland backend to use wayland-client-0.11
Support for dead keys on wayland for keyboard utf8 input
Monitor enumeration on Windows is now implemented using EnumDisplayMonitors instead of EnumDisplayDevices. This changes the value returned by MonitorId::get_name().
On Windows added MonitorIdExt::hmonitor method
Impl Clone for EventsLoopProxy
EventsLoop::get_primary_monitor() on X11 will fallback to any available monitor if no primary is found
Support for touch event on wayland
WindowEvents MouseMoved, MouseEntered, and MouseLeft have been renamed to CursorMoved, CursorEntered, and CursorLeft.
New DeviceEvents added, MouseMotion and MouseWheel.
Send CursorMoved event after CursorEntered and Focused events.
Add support for ModifiersState, MouseMove, MouseInput, MouseMotion for emscripten backend.

Version 0.8.3 (2017-10-11)

Fixed issue of calls to set_inner_size blocking on Windows.
Mapped ISO_Left_Tab to VirtualKeyCode::Tab to make the key work with modifiers
Fixed the X11 backed on 32bit targets

Version 0.8.2 (2017-09-28)

Uniformize keyboard scancode values accross Wayland and X11 (#297).
Internal rework of the wayland event loop
Added method os::linux::WindowExt::is_ready

Version 0.8.1 (2017-09-22)

Added various methods to os::linux::EventsLoopExt, plus some hidden items necessary to make glutin work.

Version 0.8.0 (2017-09-21)

Added Window::set_maximized, WindowAttributes::maximized and WindowBuilder::with_maximized.
Added Window::set_fullscreen.
Changed with_fullscreen to take a Option<MonitorId> instead of a MonitorId.
Removed MonitorId::get_native_identifer() in favor of platform-specific traits in the os module.
Changed get_available_monitors() and get_primary_monitor() to be methods of EventsLoop instead of stand-alone methods.
Changed EventsLoop to be tied to a specific X11 or Wayland connection.
Added a os::linux::EventsLoopExt trait that makes it possible to configure the connection.
Fixed the emscripten code, which now compiles.
Changed the X11 fullscreen code to use xrandr instead of xxf86vm.
Fixed the Wayland backend to produce Refresh event after window creation.
Changed the Suspended event to be outside of WindowEvent.
Fixed the X11 backend sometimes reporting the wrong virtual key (#273).

Files

CHANGELOG.md

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