winit-sonoma-fix/src/os/windows.rs
2018-06-14 19:42:18 -04:00

109 lines
3.1 KiB
Rust

#![cfg(target_os = "windows")]
use std::os::raw::c_void;
use libc;
use winapi::shared::windef::HWND;
use {DeviceId, EventsLoop, Icon, MonitorId, Window, WindowBuilder};
use platform::EventsLoop as WindowsEventsLoop;
/// Additional methods on `EventsLoop` that are specific to Windows.
pub trait EventsLoopExt {
/// By default, winit on Windows will attempt to enable process-wide DPI awareness. If that's
/// undesirable, you can create an `EventsLoop` using this function instead.
fn new_dpi_unaware() -> Self where Self: Sized;
}
impl EventsLoopExt for EventsLoop {
#[inline]
fn new_dpi_unaware() -> Self {
EventsLoop {
events_loop: WindowsEventsLoop::with_dpi_awareness(false),
_marker: ::std::marker::PhantomData,
}
}
}
/// Additional methods on `Window` that are specific to Windows.
pub trait WindowExt {
/// Returns the native handle that is used by this window.
///
/// The pointer will become invalid when the native window was destroyed.
fn get_hwnd(&self) -> *mut libc::c_void;
/// This sets `ICON_BIG`. A good ceiling here is 256x256.
fn set_taskbar_icon(&self, taskbar_icon: Option<Icon>);
}
impl WindowExt for Window {
#[inline]
fn get_hwnd(&self) -> *mut libc::c_void {
self.window.hwnd() as *mut _
}
#[inline]
fn set_taskbar_icon(&self, taskbar_icon: Option<Icon>) {
self.window.set_taskbar_icon(taskbar_icon)
}
}
/// Additional methods on `WindowBuilder` that are specific to Windows.
pub trait WindowBuilderExt {
/// Sets a parent to the window to be created.
fn with_parent_window(self, parent: HWND) -> WindowBuilder;
/// This sets `ICON_BIG`. A good ceiling here is 256x256.
fn with_taskbar_icon(self, taskbar_icon: Option<Icon>) -> WindowBuilder;
}
impl WindowBuilderExt for WindowBuilder {
#[inline]
fn with_parent_window(mut self, parent: HWND) -> WindowBuilder {
self.platform_specific.parent = Some(parent);
self
}
#[inline]
fn with_taskbar_icon(mut self, taskbar_icon: Option<Icon>) -> WindowBuilder {
self.platform_specific.taskbar_icon = taskbar_icon;
self
}
}
/// Additional methods on `MonitorId` that are specific to Windows.
pub trait MonitorIdExt {
/// Returns the name of the monitor adapter specific to the Win32 API.
fn native_id(&self) -> String;
/// Returns the handle of the monitor - `HMONITOR`.
fn hmonitor(&self) -> *mut c_void;
}
impl MonitorIdExt for MonitorId {
#[inline]
fn native_id(&self) -> String {
self.inner.get_native_identifier()
}
#[inline]
fn hmonitor(&self) -> *mut c_void {
self.inner.get_hmonitor() as *mut _
}
}
/// Additional methods on `DeviceId` that are specific to Windows.
pub trait DeviceIdExt {
/// Returns an identifier that persistently refers to this specific device.
///
/// Will return `None` if the device is no longer available.
fn get_persistent_identifier(&self) -> Option<String>;
}
impl DeviceIdExt for DeviceId {
#[inline]
fn get_persistent_identifier(&self) -> Option<String> {
self.0.get_persistent_identifier()
}
}