diff options
Diffstat (limited to 'winit/src/conversion.rs')
| -rw-r--r-- | winit/src/conversion.rs | 45 |
1 files changed, 44 insertions, 1 deletions
diff --git a/winit/src/conversion.rs b/winit/src/conversion.rs index b850a805..f785fce6 100644 --- a/winit/src/conversion.rs +++ b/winit/src/conversion.rs @@ -6,7 +6,7 @@ use crate::keyboard; use crate::mouse; use crate::touch; use crate::window; -use crate::{Event, Mode, Point}; +use crate::{Event, Mode, Point, Position}; /// Converts a winit window event into an iced event. pub fn window_event( @@ -133,6 +133,49 @@ pub fn window_event( } } +/// Converts a [`Position`] to a [`winit`] logical position for a given monitor. +/// +/// [`winit`]: https://github.com/rust-windowing/winit +pub fn position( + monitor: Option<&winit::monitor::MonitorHandle>, + (width, height): (u32, u32), + position: Position, +) -> Option<winit::dpi::Position> { + match position { + Position::Default => None, + Position::Specific(x, y) => { + Some(winit::dpi::Position::Logical(winit::dpi::LogicalPosition { + x: f64::from(x), + y: f64::from(y), + })) + } + Position::Centered => { + if let Some(monitor) = monitor { + let start = monitor.position(); + + let resolution: winit::dpi::LogicalSize<f64> = + monitor.size().to_logical(monitor.scale_factor()); + + let centered: winit::dpi::PhysicalPosition<i32> = + winit::dpi::LogicalPosition { + x: (resolution.width - f64::from(width)) / 2.0, + y: (resolution.height - f64::from(height)) / 2.0, + } + .to_physical(monitor.scale_factor()); + + Some(winit::dpi::Position::Physical( + winit::dpi::PhysicalPosition { + x: start.x + centered.x, + y: start.y + centered.y, + }, + )) + } else { + None + } + } + } +} + /// Converts a [`Mode`] to a [`winit`] fullscreen mode. /// /// [`winit`]: https://github.com/rust-windowing/winit |