diff options
Diffstat (limited to 'core/src/window')
-rw-r--r-- | core/src/window/event.rs | 58 | ||||
-rw-r--r-- | core/src/window/icon.rs | 80 | ||||
-rw-r--r-- | core/src/window/id.rs | 28 | ||||
-rw-r--r-- | core/src/window/level.rs | 19 | ||||
-rw-r--r-- | core/src/window/mode.rs | 12 | ||||
-rw-r--r-- | core/src/window/position.rs | 0 | ||||
-rw-r--r-- | core/src/window/redraw_request.rs | 38 | ||||
-rw-r--r-- | core/src/window/settings.rs | 76 | ||||
-rw-r--r-- | core/src/window/user_attention.rs | 21 |
9 files changed, 332 insertions, 0 deletions
diff --git a/core/src/window/event.rs b/core/src/window/event.rs new file mode 100644 index 00000000..e2fb5e66 --- /dev/null +++ b/core/src/window/event.rs @@ -0,0 +1,58 @@ +use crate::time::Instant; + +use std::path::PathBuf; + +/// A window-related event. +#[derive(PartialEq, Eq, Clone, Debug)] +pub enum Event { + /// A window was moved. + Moved { + /// The new logical x location of the window + x: i32, + /// The new logical y location of the window + y: i32, + }, + + /// A window was resized. + Resized { + /// The new logical width of the window + width: u32, + /// The new logical height of the window + height: u32, + }, + + /// A window redraw was requested. + /// + /// The [`Instant`] contains the current time. + RedrawRequested(Instant), + + /// The user has requested for the window to close. + /// + /// Usually, you will want to terminate the execution whenever this event + /// occurs. + CloseRequested, + + /// A window was focused. + Focused, + + /// A window was unfocused. + Unfocused, + + /// A file is being hovered over the window. + /// + /// When the user hovers multiple files at once, this event will be emitted + /// for each file separately. + FileHovered(PathBuf), + + /// A file has beend dropped into the window. + /// + /// When the user drops multiple files at once, this event will be emitted + /// for each file separately. + FileDropped(PathBuf), + + /// A file was hovered, but has exited the window. + /// + /// There will be a single `FilesHoveredLeft` event triggered even if + /// multiple files were hovered. + FilesHoveredLeft, +} diff --git a/core/src/window/icon.rs b/core/src/window/icon.rs new file mode 100644 index 00000000..31868ecf --- /dev/null +++ b/core/src/window/icon.rs @@ -0,0 +1,80 @@ +//! Change the icon of a window. +use crate::Size; + +use std::mem; + +/// Builds an [`Icon`] from its RGBA pixels in the sRGB color space. +pub fn from_rgba( + rgba: Vec<u8>, + width: u32, + height: u32, +) -> Result<Icon, Error> { + const PIXEL_SIZE: usize = mem::size_of::<u8>() * 4; + + if rgba.len() % PIXEL_SIZE != 0 { + return Err(Error::ByteCountNotDivisibleBy4 { + byte_count: rgba.len(), + }); + } + + let pixel_count = rgba.len() / PIXEL_SIZE; + + if pixel_count != (width * height) as usize { + return Err(Error::DimensionsVsPixelCount { + width, + height, + width_x_height: (width * height) as usize, + pixel_count, + }); + } + + Ok(Icon { + rgba, + size: Size::new(width, height), + }) +} + +/// An window icon normally used for the titlebar or taskbar. +#[derive(Debug, Clone)] +pub struct Icon { + rgba: Vec<u8>, + size: Size<u32>, +} + +impl Icon { + /// Returns the raw data of the [`Icon`]. + pub fn into_raw(self) -> (Vec<u8>, Size<u32>) { + (self.rgba, self.size) + } +} + +#[derive(Debug, thiserror::Error)] +/// An error produced when using [`Icon::from_rgba`] with invalid arguments. +pub enum Error { + /// Produced when the length of the `rgba` argument isn't divisible by 4, thus `rgba` can't be + /// safely interpreted as 32bpp RGBA pixels. + #[error( + "The provided RGBA data (with length {byte_count}) isn't divisible \ + by 4. Therefore, it cannot be safely interpreted as 32bpp RGBA pixels" + )] + ByteCountNotDivisibleBy4 { + /// The length of the provided RGBA data. + byte_count: usize, + }, + /// Produced when the number of pixels (`rgba.len() / 4`) isn't equal to `width * height`. + /// At least one of your arguments is incorrect. + #[error( + "The number of RGBA pixels ({pixel_count}) does not match the \ + provided dimensions ({width}x{height})." + )] + DimensionsVsPixelCount { + /// The provided width. + width: u32, + /// The provided height. + height: u32, + /// The product of `width` and `height`. + width_x_height: usize, + /// The amount of pixels of the provided RGBA data. + pixel_count: usize, + }, +} diff --git a/core/src/window/id.rs b/core/src/window/id.rs new file mode 100644 index 00000000..0a11b1aa --- /dev/null +++ b/core/src/window/id.rs @@ -0,0 +1,28 @@ +use std::collections::hash_map::DefaultHasher; +use std::fmt::{Display, Formatter}; +use std::hash::{Hash, Hasher}; + +#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord)] +/// The ID of the window. +/// +/// Internally Iced uses `window::Id::MAIN` as the first window spawned. +pub struct Id(u64); + +impl Id { + /// The reserved window ID for the primary window in an Iced application. + pub const MAIN: Self = Id(0); + + /// Creates a new unique window ID. + pub fn new(id: impl Hash) -> Id { + let mut hasher = DefaultHasher::new(); + id.hash(&mut hasher); + + Id(hasher.finish()) + } +} + +impl Display for Id { + fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result { + write!(f, "Id({})", self.0) + } +} diff --git a/core/src/window/level.rs b/core/src/window/level.rs new file mode 100644 index 00000000..3878ecac --- /dev/null +++ b/core/src/window/level.rs @@ -0,0 +1,19 @@ +/// A window level groups windows with respect to their z-position. +/// +/// The relative ordering between windows in different window levels is fixed. +/// The z-order of a window within the same window level may change dynamically +/// on user interaction. +#[derive(Debug, Clone, Copy, PartialEq, Eq, Default)] +pub enum Level { + /// The default behavior. + #[default] + Normal, + + /// The window will always be below normal windows. + /// + /// This is useful for a widget-based app. + AlwaysOnBottom, + + /// The window will always be on top of normal windows. + AlwaysOnTop, +} diff --git a/core/src/window/mode.rs b/core/src/window/mode.rs new file mode 100644 index 00000000..fdce8e23 --- /dev/null +++ b/core/src/window/mode.rs @@ -0,0 +1,12 @@ +/// The mode of a window-based application. +#[derive(Debug, Clone, Copy, PartialEq, Eq)] +pub enum Mode { + /// The application appears in its own window. + Windowed, + + /// The application takes the whole screen of its current monitor. + Fullscreen, + + /// The application is hidden + Hidden, +} diff --git a/core/src/window/position.rs b/core/src/window/position.rs new file mode 100644 index 00000000..e69de29b --- /dev/null +++ b/core/src/window/position.rs diff --git a/core/src/window/redraw_request.rs b/core/src/window/redraw_request.rs new file mode 100644 index 00000000..3b4f0fd3 --- /dev/null +++ b/core/src/window/redraw_request.rs @@ -0,0 +1,38 @@ +use crate::time::Instant; + +/// A request to redraw a window. +#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)] +pub enum RedrawRequest { + /// Redraw the next frame. + NextFrame, + + /// Redraw at the given time. + At(Instant), +} + +#[cfg(test)] +mod tests { + use super::*; + use std::time::{Duration, Instant}; + + #[test] + fn ordering() { + let now = Instant::now(); + let later = now + Duration::from_millis(10); + + assert_eq!(RedrawRequest::NextFrame, RedrawRequest::NextFrame); + assert_eq!(RedrawRequest::At(now), RedrawRequest::At(now)); + + assert!(RedrawRequest::NextFrame < RedrawRequest::At(now)); + assert!(RedrawRequest::At(now) > RedrawRequest::NextFrame); + assert!(RedrawRequest::At(now) < RedrawRequest::At(later)); + assert!(RedrawRequest::At(later) > RedrawRequest::At(now)); + + assert!(RedrawRequest::NextFrame <= RedrawRequest::NextFrame); + assert!(RedrawRequest::NextFrame <= RedrawRequest::At(now)); + assert!(RedrawRequest::At(now) >= RedrawRequest::NextFrame); + assert!(RedrawRequest::At(now) <= RedrawRequest::At(now)); + assert!(RedrawRequest::At(now) <= RedrawRequest::At(later)); + assert!(RedrawRequest::At(later) >= RedrawRequest::At(now)); + } +} diff --git a/core/src/window/settings.rs b/core/src/window/settings.rs new file mode 100644 index 00000000..458b9232 --- /dev/null +++ b/core/src/window/settings.rs @@ -0,0 +1,76 @@ +use crate::window::{Icon, Level, Position}; + +pub use iced_winit::settings::PlatformSpecific; + +/// The window settings of an application. +#[derive(Debug, Clone)] +pub struct Settings { + /// The initial size of the window. + pub size: (u32, u32), + + /// The initial position of the window. + pub position: Position, + + /// The minimum size of the window. + pub min_size: Option<(u32, u32)>, + + /// The maximum size of the window. + pub max_size: Option<(u32, u32)>, + + /// Whether the window should be visible or not. + pub visible: bool, + + /// Whether the window should be resizable or not. + pub resizable: bool, + + /// Whether the window should have a border, a title bar, etc. or not. + pub decorations: bool, + + /// Whether the window should be transparent. + pub transparent: bool, + + /// The window [`Level`]. + pub level: Level, + + /// The icon of the window. + pub icon: Option<Icon>, + + /// Platform specific settings. + pub platform_specific: PlatformSpecific, +} + +impl Default for Settings { + fn default() -> Settings { + Settings { + size: (1024, 768), + position: Position::default(), + min_size: None, + max_size: None, + visible: true, + resizable: true, + decorations: true, + transparent: false, + level: Level::default(), + icon: None, + platform_specific: Default::default(), + } + } +} + +impl From<Settings> for iced_winit::settings::Window { + fn from(settings: Settings) -> Self { + Self { + size: settings.size, + position: iced_winit::Position::from(settings.position), + min_size: settings.min_size, + max_size: settings.max_size, + visible: settings.visible, + resizable: settings.resizable, + decorations: settings.decorations, + transparent: settings.transparent, + level: settings.level, + icon: settings.icon.map(Icon::into), + platform_specific: settings.platform_specific, + } + } +} diff --git a/core/src/window/user_attention.rs b/core/src/window/user_attention.rs new file mode 100644 index 00000000..b03dfeef --- /dev/null +++ b/core/src/window/user_attention.rs @@ -0,0 +1,21 @@ +/// The type of user attention to request. +/// +/// ## Platform-specific +/// +/// - **X11:** Sets the WM's `XUrgencyHint`. No distinction between [`Critical`] and [`Informational`]. +/// +/// [`Critical`]: Self::Critical +/// [`Informational`]: Self::Informational +#[derive(Debug, Clone, Copy)] +pub enum UserAttention { + /// ## Platform-specific + /// + /// - **macOS:** Bounces the dock icon until the application is in focus. + /// - **Windows:** Flashes both the window and the taskbar button until the application is in focus. + Critical, + /// ## Platform-specific + /// + /// - **macOS:** Bounces the dock icon once. + /// - **Windows:** Flashes the taskbar button until the application is in focus. + Informational, +} |