Update winit requirement from 0.18 to 0.19

[dependabot-preview]

Updates the requirements on winit to permit the latest version.

Changelog

Sourced from winit's changelog.

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: image crate upgraded to 0.21. This is exposed as part of the icon_loading API.
• 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.

... (truncated)

Commits

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[dependabot-preview]

Superseded by #14.