diff options
-rw-r--r-- | core/src/window/position.rs | 8 | ||||
-rw-r--r-- | winit/src/conversion.rs | 29 |
2 files changed, 36 insertions, 1 deletions
diff --git a/core/src/window/position.rs b/core/src/window/position.rs index 73391e75..1c8e86b6 100644 --- a/core/src/window/position.rs +++ b/core/src/window/position.rs @@ -1,4 +1,4 @@ -use crate::Point; +use crate::{Point, Size}; /// The position of a window in a given screen. #[derive(Debug, Clone, Copy, PartialEq)] @@ -15,6 +15,12 @@ pub enum Position { /// at (0, 0) you would have to set the position to /// `(PADDING_X, PADDING_Y)`. Specific(Point), + /// Like [`Specific`], but the window is positioned with the specific coordinates returned by the function. + /// + /// The function receives the window size and the monitor's resolution as input. + /// + /// [`Specific`]: Self::Specific + SpecificWith(fn(Size, Size) -> Point), } impl Default for Position { diff --git a/winit/src/conversion.rs b/winit/src/conversion.rs index d04fc2f1..ea33e610 100644 --- a/winit/src/conversion.rs +++ b/winit/src/conversion.rs @@ -323,6 +323,35 @@ pub fn position( y: f64::from(position.y), })) } + window::Position::SpecificWith(to_position) => { + if let Some(monitor) = monitor { + let start = monitor.position(); + + let resolution: winit::dpi::LogicalSize<f32> = + monitor.size().to_logical(monitor.scale_factor()); + + let position = to_position( + size, + Size::new(resolution.width, resolution.height), + ); + + let centered: winit::dpi::PhysicalPosition<i32> = + winit::dpi::LogicalPosition { + x: position.x, + y: position.y, + } + .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 + } + } window::Position::Centered => { if let Some(monitor) = monitor { let start = monitor.position(); |