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Implement hidpi for web platform (#1233)

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* fix: use a 'static lifetime for the web backend's `Event` types

* implement hidpi for stdweb (web-sys wip?)

* fix: make all canvas resizes go through backend::set_canvas_size

* update Window docs for web, make `inner/outer_position` return the position in the viewport
This commit is contained in:
Michael Tang 2019-12-31 14:39:33 -08:00 • committed by Osspial
parent 28a20aec10
commit 777d9edeaa
11 changed files with 137 additions and 91 deletions
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8
src/window.rs
View file

@ -419,6 +419,8 @@ impl Window {
///
/// - **iOS:** Can only be called on the main thread. Returns the top left coordinates of the
/// window's [safe area] in the screen space coordinate system.
/// - **Web:** Returns the top-left coordinates relative to the viewport. _Note: this returns the
/// same value as `outer_position`._
///
/// [safe area]: https://developer.apple.com/documentation/uikit/uiview/2891103-safeareainsets?language=objc
#[inline]
@ -440,6 +442,7 @@ impl Window {
///
/// - **iOS:** Can only be called on the main thread. Returns the top left coordinates of the
/// window in the screen space coordinate system.
/// - **Web:** Returns the top-left coordinates relative to the viewport.
#[inline]
pub fn outer_position(&self) -> Result<PhysicalPosition<i32>, NotSupportedError> {
self.window.outer_position()
@ -454,6 +457,7 @@ impl Window {
///
/// - **iOS:** Can only be called on the main thread. Sets the top left coordinates of the
/// window in the screen space coordinate system.
/// - **Web:** Sets the top-left coordinates relative to the viewport.
#[inline]
pub fn set_outer_position<P: Into<Position>>(&self, position: P) {
self.window.set_outer_position(position.into())
@ -467,6 +471,7 @@ impl Window {
///
/// - **iOS:** Can only be called on the main thread. Returns the `PhysicalSize` of the window's
/// [safe area] in screen space coordinates.
/// - **Web:** Returns the size of the canvas element.
///
/// [safe area]: https://developer.apple.com/documentation/uikit/uiview/2891103-safeareainsets?language=objc
#[inline]
@ -483,6 +488,7 @@ impl Window {
///
/// - **iOS:** Unimplemented. Currently this panics, as it's not clear what `set_inner_size`
/// would mean for iOS.
/// - **Web:** Sets the size of the canvas element.
#[inline]
pub fn set_inner_size<S: Into<Size>>(&self, size: S) {
self.window.set_inner_size(size.into())
@ -497,6 +503,8 @@ impl Window {
///
/// - **iOS:** Can only be called on the main thread. Returns the `PhysicalSize` of the window in
/// screen space coordinates.
/// - **Web:** Returns the size of the canvas element. _Note: this returns the same value as
/// `inner_size`._
#[inline]
pub fn outer_size(&self) -> PhysicalSize<u32> {
self.window.outer_size()