1730 lines
58 KiB
Rust
1730 lines
58 KiB
Rust
#![deny(unsafe_op_in_unsafe_fn)]
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use std::{
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cell::{Cell, RefCell},
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num::NonZeroIsize,
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path::PathBuf,
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rc::{Rc, Weak},
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str::FromStr,
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sync::{Arc, Once, atomic::AtomicBool},
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time::{Duration, Instant},
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};
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use ::util::ResultExt;
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use anyhow::{Context as _, Result};
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use futures::channel::oneshot::{self, Receiver};
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use raw_window_handle as rwh;
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use smallvec::SmallVec;
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use windows::{
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Win32::{
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Foundation::*,
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Graphics::Dwm::*,
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Graphics::Gdi::*,
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System::{
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Com::*, Diagnostics::Debug::MessageBeep, LibraryLoader::*, Ole::*, SystemServices::*,
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},
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UI::{Controls::*, HiDpi::*, Input::KeyboardAndMouse::*, Shell::*, WindowsAndMessaging::*},
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},
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core::*,
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};
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use crate::direct_manipulation::DirectManipulationHandler;
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use crate::*;
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use gpui::*;
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#[cfg(feature = "wgpu")]
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use gpui_wgpu::{WgpuRenderer, WgpuSurfaceConfig, wgpu};
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pub(crate) struct WindowsWindow(pub Rc<WindowsWindowInner>);
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impl std::ops::Deref for WindowsWindow {
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type Target = WindowsWindowInner;
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fn deref(&self) -> &Self::Target {
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&self.0
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}
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}
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pub struct WindowsWindowState {
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pub origin: Cell<Point<Pixels>>,
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pub logical_size: Cell<Size<Pixels>>,
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pub min_size: Option<Size<Pixels>>,
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pub fullscreen_restore_bounds: Cell<Bounds<Pixels>>,
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pub border_offset: WindowBorderOffset,
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pub appearance: Cell<WindowAppearance>,
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pub background_appearance: Cell<WindowBackgroundAppearance>,
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pub scale_factor: Cell<f32>,
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pub restore_from_minimized: Cell<Option<Box<dyn FnMut(RequestFrameOptions)>>>,
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pub callbacks: Callbacks,
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pub input_handler: Cell<Option<PlatformInputHandler>>,
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pub ime_enabled: Cell<bool>,
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pub pending_surrogate: Cell<Option<u16>>,
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pub last_reported_modifiers: Cell<Option<Modifiers>>,
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pub last_reported_capslock: Cell<Option<Capslock>>,
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pub hovered: Cell<bool>,
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pub direct_manipulation: DirectManipulationHandler,
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#[cfg(feature = "wgpu")]
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pub renderer: RefCell<WgpuRenderer>,
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#[cfg(not(feature = "wgpu"))]
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pub renderer: RefCell<DirectXRenderer>,
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/// Set after a GPU device-lost recovery so the next `draw_window` call is
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/// treated as a forced render. This guarantees the next frame both
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/// re-enables drawing (via `mark_drawable`) and bypasses the GPUI view
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/// cache, which would otherwise replay stale atlas tile references from
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/// the previous frame and panic in `DirectXAtlasState::texture`.
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pub force_render_after_recovery: Cell<bool>,
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pub click_state: ClickState,
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pub current_cursor: Cell<Option<HCURSOR>>,
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/// Shared with [`WindowsPlatformState::cursor_visible`].
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pub cursor_visible: Arc<AtomicBool>,
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pub nc_button_pressed: Cell<Option<u32>>,
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pub display: Cell<WindowsDisplay>,
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/// Flag to instruct the `VSyncProvider` thread to invalidate the directx devices
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/// as resizing them has failed, causing us to have lost at least the render target.
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#[cfg(not(feature = "wgpu"))]
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pub invalidate_devices: Arc<AtomicBool>,
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fullscreen: Cell<Option<StyleAndBounds>>,
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initial_placement: Cell<Option<WindowOpenStatus>>,
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hwnd: HWND,
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pub(crate) a11y: RefCell<Option<A11yState>>,
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}
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pub(crate) struct WindowsWindowInner {
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hwnd: HWND,
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drop_target_helper: IDropTargetHelper,
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pub(crate) state: WindowsWindowState,
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system_settings: WindowsSystemSettings,
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pub(crate) handle: AnyWindowHandle,
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pub(crate) hide_title_bar: bool,
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pub(crate) is_movable: bool,
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pub(crate) executor: ForegroundExecutor,
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pub(crate) validation_number: usize,
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pub(crate) main_receiver: PriorityQueueReceiver<RunnableVariant>,
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pub(crate) platform_window_handle: HWND,
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pub(crate) parent_hwnd: Option<HWND>,
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}
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impl WindowsWindowState {
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fn new(
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hwnd: HWND,
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#[cfg(not(feature = "wgpu"))] directx_devices: &DirectXDevices,
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window_params: &CREATESTRUCTW,
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current_cursor: Option<HCURSOR>,
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cursor_visible: Arc<AtomicBool>,
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display: WindowsDisplay,
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min_size: Option<Size<Pixels>>,
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appearance: WindowAppearance,
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#[cfg(not(feature = "wgpu"))] disable_direct_composition: bool,
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#[cfg(not(feature = "wgpu"))] invalidate_devices: Arc<AtomicBool>,
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) -> Result<Self> {
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let scale_factor = {
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let monitor_dpi = unsafe { GetDpiForWindow(hwnd) } as f32;
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monitor_dpi / USER_DEFAULT_SCREEN_DPI as f32
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};
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let origin = logical_point(window_params.x as f32, window_params.y as f32, scale_factor);
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let physical_size = size(
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DevicePixels(window_params.cx),
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DevicePixels(window_params.cy),
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);
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let logical_size = { physical_size.to_pixels(scale_factor) };
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let fullscreen_restore_bounds = Bounds {
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origin,
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size: logical_size,
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};
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let border_offset = WindowBorderOffset::default();
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let restore_from_minimized = None;
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#[cfg(feature = "wgpu")]
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let renderer = WgpuRenderer::new(
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Rc::new(RefCell::new(None)),
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&RawWindow { hwnd },
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WgpuSurfaceConfig {
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size: physical_size,
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transparent: false,
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preferred_present_mode: Some(wgpu::PresentMode::Mailbox),
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},
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None,
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)
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.context("Creating Wgpu renderer")?;
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#[cfg(not(feature = "wgpu"))]
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let renderer = DirectXRenderer::new(hwnd, directx_devices, disable_direct_composition)
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.context("Creating DirectX renderer")?;
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let callbacks = Callbacks::default();
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let input_handler = None;
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let pending_surrogate = None;
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let last_reported_modifiers = None;
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let last_reported_capslock = None;
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let hovered = false;
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let click_state = ClickState::new();
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let nc_button_pressed = None;
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let fullscreen = None;
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let initial_placement = None;
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let direct_manipulation = DirectManipulationHandler::new(hwnd, scale_factor)
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.context("initializing Direct Manipulation")?;
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Ok(Self {
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origin: Cell::new(origin),
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logical_size: Cell::new(logical_size),
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fullscreen_restore_bounds: Cell::new(fullscreen_restore_bounds),
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border_offset,
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appearance: Cell::new(appearance),
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background_appearance: Cell::new(WindowBackgroundAppearance::Opaque),
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scale_factor: Cell::new(scale_factor),
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restore_from_minimized: Cell::new(restore_from_minimized),
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min_size,
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callbacks,
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input_handler: Cell::new(input_handler),
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ime_enabled: Cell::new(true),
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pending_surrogate: Cell::new(pending_surrogate),
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last_reported_modifiers: Cell::new(last_reported_modifiers),
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last_reported_capslock: Cell::new(last_reported_capslock),
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hovered: Cell::new(hovered),
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renderer: RefCell::new(renderer),
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force_render_after_recovery: Cell::new(false),
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click_state,
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current_cursor: Cell::new(current_cursor),
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cursor_visible,
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nc_button_pressed: Cell::new(nc_button_pressed),
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display: Cell::new(display),
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fullscreen: Cell::new(fullscreen),
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initial_placement: Cell::new(initial_placement),
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hwnd,
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#[cfg(not(feature = "wgpu"))]
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invalidate_devices,
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direct_manipulation,
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a11y: RefCell::new(None),
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})
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}
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#[inline]
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pub(crate) fn is_fullscreen(&self) -> bool {
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self.fullscreen.get().is_some()
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}
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pub(crate) fn is_maximized(&self) -> bool {
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!self.is_fullscreen() && unsafe { IsZoomed(self.hwnd) }.as_bool()
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}
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fn bounds(&self) -> Bounds<Pixels> {
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Bounds {
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origin: self.origin.get(),
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size: self.logical_size.get(),
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}
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}
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// Calculate the bounds used for saving and whether the window is maximized.
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fn calculate_window_bounds(&self) -> (Bounds<Pixels>, bool) {
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let placement = unsafe {
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let mut placement = WINDOWPLACEMENT {
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length: std::mem::size_of::<WINDOWPLACEMENT>() as u32,
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..Default::default()
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};
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GetWindowPlacement(self.hwnd, &mut placement)
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.context("failed to get window placement")
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.log_err();
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placement
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};
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(
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calculate_client_rect(
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placement.rcNormalPosition,
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&self.border_offset,
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self.scale_factor.get(),
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),
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placement.showCmd == SW_SHOWMAXIMIZED.0 as u32,
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)
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}
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fn window_bounds(&self) -> WindowBounds {
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let (bounds, maximized) = self.calculate_window_bounds();
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if self.is_fullscreen() {
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WindowBounds::Fullscreen(self.fullscreen_restore_bounds.get())
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} else if maximized {
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WindowBounds::Maximized(bounds)
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} else {
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WindowBounds::Windowed(bounds)
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}
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}
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/// get the logical size of the app's drawable area.
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///
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/// Currently, GPUI uses the logical size of the app to handle mouse interactions (such as
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/// whether the mouse collides with other elements of GPUI).
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fn content_size(&self) -> Size<Pixels> {
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self.logical_size.get()
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}
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}
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impl WindowsWindowInner {
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fn new(context: &mut WindowCreateContext, hwnd: HWND, cs: &CREATESTRUCTW) -> Result<Rc<Self>> {
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let state = WindowsWindowState::new(
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hwnd,
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#[cfg(not(feature = "wgpu"))]
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&context.directx_devices,
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cs,
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context.current_cursor,
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context.cursor_visible.clone(),
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context.display,
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context.min_size,
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context.appearance,
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#[cfg(not(feature = "wgpu"))]
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context.disable_direct_composition,
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#[cfg(not(feature = "wgpu"))]
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context.invalidate_devices.clone(),
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)?;
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Ok(Rc::new(Self {
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hwnd,
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drop_target_helper: context.drop_target_helper.clone(),
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state,
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handle: context.handle,
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hide_title_bar: context.hide_title_bar,
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is_movable: context.is_movable,
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executor: context.executor.clone(),
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validation_number: context.validation_number,
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main_receiver: context.main_receiver.clone(),
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platform_window_handle: context.platform_window_handle,
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system_settings: WindowsSystemSettings::new(),
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parent_hwnd: context.parent_hwnd,
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}))
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}
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fn toggle_fullscreen(self: &Rc<Self>) {
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let this = self.clone();
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self.executor
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.spawn(async move {
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let StyleAndBounds {
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style,
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x,
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y,
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cx,
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cy,
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} = match this.state.fullscreen.take() {
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Some(state) => state,
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None => {
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let (window_bounds, _) = this.state.calculate_window_bounds();
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this.state.fullscreen_restore_bounds.set(window_bounds);
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let style =
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WINDOW_STYLE(unsafe { get_window_long(this.hwnd, GWL_STYLE) } as _);
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let mut rc = RECT::default();
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unsafe { GetWindowRect(this.hwnd, &mut rc) }
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.context("failed to get window rect")
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.log_err();
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let _ = this.state.fullscreen.set(Some(StyleAndBounds {
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style,
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x: rc.left,
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y: rc.top,
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cx: rc.right - rc.left,
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cy: rc.bottom - rc.top,
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}));
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let style = style
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& !(WS_THICKFRAME
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| WS_SYSMENU
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| WS_MAXIMIZEBOX
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| WS_MINIMIZEBOX
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| WS_CAPTION);
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let physical_bounds = this.state.display.get().physical_bounds();
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StyleAndBounds {
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style,
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x: physical_bounds.left().0,
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y: physical_bounds.top().0,
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cx: physical_bounds.size.width.0,
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cy: physical_bounds.size.height.0,
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}
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}
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};
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set_non_rude_hwnd(this.hwnd, !this.state.is_fullscreen());
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unsafe { set_window_long(this.hwnd, GWL_STYLE, style.0 as isize) };
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unsafe {
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SetWindowPos(
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this.hwnd,
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None,
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x,
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y,
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cx,
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cy,
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SWP_FRAMECHANGED | SWP_NOACTIVATE | SWP_NOZORDER,
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)
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}
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.log_err();
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})
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.detach();
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}
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fn set_window_placement(self: &Rc<Self>) -> Result<()> {
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let Some(open_status) = self.state.initial_placement.take() else {
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return Ok(());
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};
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match open_status.state {
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WindowOpenState::Maximized => unsafe {
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SetWindowPlacement(self.hwnd, &open_status.placement)
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.context("failed to set window placement")?;
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ShowWindowAsync(self.hwnd, SW_MAXIMIZE).ok()?;
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},
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WindowOpenState::Fullscreen => {
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unsafe {
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SetWindowPlacement(self.hwnd, &open_status.placement)
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.context("failed to set window placement")?
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};
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self.toggle_fullscreen();
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}
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WindowOpenState::Windowed => unsafe {
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SetWindowPlacement(self.hwnd, &open_status.placement)
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.context("failed to set window placement")?;
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},
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}
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Ok(())
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}
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pub(crate) fn system_settings(&self) -> &WindowsSystemSettings {
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&self.system_settings
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}
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}
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#[derive(Default)]
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pub(crate) struct Callbacks {
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pub(crate) request_frame: Cell<Option<Box<dyn FnMut(RequestFrameOptions)>>>,
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pub(crate) input: Cell<Option<Box<dyn FnMut(PlatformInput) -> DispatchEventResult>>>,
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pub(crate) active_status_change: Cell<Option<Box<dyn FnMut(bool)>>>,
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pub(crate) hovered_status_change: Cell<Option<Box<dyn FnMut(bool)>>>,
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pub(crate) resize: Cell<Option<Box<dyn FnMut(Size<Pixels>, f32)>>>,
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pub(crate) moved: Cell<Option<Box<dyn FnMut()>>>,
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pub(crate) should_close: Cell<Option<Box<dyn FnMut() -> bool>>>,
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pub(crate) close: Cell<Option<Box<dyn FnOnce()>>>,
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pub(crate) hit_test_window_control: Cell<Option<Box<dyn FnMut() -> Option<WindowControlArea>>>>,
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pub(crate) appearance_changed: Cell<Option<Box<dyn FnMut()>>>,
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}
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struct WindowCreateContext {
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inner: Option<Result<Rc<WindowsWindowInner>>>,
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handle: AnyWindowHandle,
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hide_title_bar: bool,
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display: WindowsDisplay,
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is_movable: bool,
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min_size: Option<Size<Pixels>>,
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executor: ForegroundExecutor,
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current_cursor: Option<HCURSOR>,
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cursor_visible: Arc<AtomicBool>,
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drop_target_helper: IDropTargetHelper,
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validation_number: usize,
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main_receiver: PriorityQueueReceiver<RunnableVariant>,
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platform_window_handle: HWND,
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appearance: WindowAppearance,
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#[cfg(not(feature = "wgpu"))]
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disable_direct_composition: bool,
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#[cfg(not(feature = "wgpu"))]
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directx_devices: DirectXDevices,
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#[cfg(not(feature = "wgpu"))]
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invalidate_devices: Arc<AtomicBool>,
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parent_hwnd: Option<HWND>,
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}
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|
|
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impl WindowsWindow {
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pub(crate) fn new(
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handle: AnyWindowHandle,
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params: WindowParams,
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creation_info: WindowCreationInfo,
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) -> Result<Self> {
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let WindowCreationInfo {
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icon,
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executor,
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current_cursor,
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cursor_visible,
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drop_target_helper,
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validation_number,
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|
main_receiver,
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|
platform_window_handle,
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|
disable_direct_composition,
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#[cfg(not(feature = "wgpu"))]
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directx_devices,
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invalidate_devices,
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|
} = creation_info;
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#[cfg(feature = "wgpu")]
|
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{
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_ = invalidate_devices;
|
|
}
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|
register_window_class(icon);
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|
let parent_hwnd = if params.kind == WindowKind::Dialog {
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let parent_window = unsafe { GetActiveWindow() };
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|
if parent_window.is_invalid() {
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None
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} else {
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|
// Disable the parent window to make this dialog modal
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unsafe {
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EnableWindow(parent_window, false).as_bool();
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};
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Some(parent_window)
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}
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} else {
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None
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};
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let hide_title_bar = params
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.titlebar
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.as_ref()
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.map(|titlebar| titlebar.appears_transparent)
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.unwrap_or(true);
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let window_name = HSTRING::from(
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params
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.titlebar
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.as_ref()
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.and_then(|titlebar| titlebar.title.as_ref())
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.map(|title| title.as_ref())
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.unwrap_or(""),
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);
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let (mut dwexstyle, dwstyle) = if params.kind == WindowKind::PopUp {
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(WS_EX_TOOLWINDOW, WINDOW_STYLE(0x0))
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} else {
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let mut dwstyle = WS_SYSMENU;
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|
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if params.is_resizable {
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dwstyle |= WS_THICKFRAME | WS_MAXIMIZEBOX;
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}
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|
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if params.is_minimizable {
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dwstyle |= WS_MINIMIZEBOX;
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}
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|
let dwexstyle = if params.kind == WindowKind::Dialog {
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dwstyle |= WS_POPUP | WS_CAPTION;
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WS_EX_DLGMODALFRAME
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|
} else {
|
|
WS_EX_APPWINDOW
|
|
};
|
|
|
|
(dwexstyle, dwstyle)
|
|
};
|
|
if !disable_direct_composition {
|
|
dwexstyle |= WS_EX_NOREDIRECTIONBITMAP;
|
|
}
|
|
|
|
let hinstance = get_module_handle();
|
|
let display = if let Some(display_id) = params.display_id {
|
|
WindowsDisplay::new(display_id)
|
|
} else {
|
|
None
|
|
}
|
|
.or_else(WindowsDisplay::primary_monitor)
|
|
.context("failed to find any monitor")?;
|
|
let appearance = system_appearance().unwrap_or_default();
|
|
let mut context = WindowCreateContext {
|
|
inner: None,
|
|
handle,
|
|
hide_title_bar,
|
|
display,
|
|
is_movable: params.is_movable,
|
|
min_size: params.window_min_size,
|
|
executor,
|
|
current_cursor,
|
|
cursor_visible,
|
|
drop_target_helper,
|
|
validation_number,
|
|
main_receiver,
|
|
platform_window_handle,
|
|
appearance,
|
|
#[cfg(not(feature = "wgpu"))]
|
|
disable_direct_composition,
|
|
#[cfg(not(feature = "wgpu"))]
|
|
directx_devices,
|
|
#[cfg(not(feature = "wgpu"))]
|
|
invalidate_devices,
|
|
parent_hwnd,
|
|
};
|
|
let creation_result = unsafe {
|
|
CreateWindowExW(
|
|
dwexstyle,
|
|
WINDOW_CLASS_NAME,
|
|
&window_name,
|
|
dwstyle,
|
|
CW_USEDEFAULT,
|
|
CW_USEDEFAULT,
|
|
CW_USEDEFAULT,
|
|
CW_USEDEFAULT,
|
|
parent_hwnd,
|
|
None,
|
|
Some(hinstance.into()),
|
|
Some(&context as *const _ as *const _),
|
|
)
|
|
};
|
|
|
|
// Failure to create a `WindowsWindowState` can cause window creation to fail,
|
|
// so check the inner result first.
|
|
let this = context.inner.take().transpose()?;
|
|
let hwnd = creation_result?;
|
|
let this = this.unwrap();
|
|
|
|
register_drag_drop(&this)?;
|
|
set_non_rude_hwnd(hwnd, true);
|
|
configure_dwm_dark_mode(hwnd, appearance);
|
|
this.state.border_offset.update(hwnd)?;
|
|
let placement = retrieve_window_placement(
|
|
hwnd,
|
|
display,
|
|
params.bounds,
|
|
this.state.scale_factor.get(),
|
|
&this.state.border_offset,
|
|
)?;
|
|
if params.show {
|
|
unsafe { SetWindowPlacement(hwnd, &placement)? };
|
|
} else {
|
|
this.state.initial_placement.set(Some(WindowOpenStatus {
|
|
placement,
|
|
state: WindowOpenState::Windowed,
|
|
}));
|
|
}
|
|
|
|
Ok(Self(this))
|
|
}
|
|
}
|
|
|
|
#[cfg(feature = "wgpu")]
|
|
#[derive(Debug, Clone, Copy)]
|
|
pub(crate) struct RawWindow {
|
|
pub hwnd: HWND,
|
|
}
|
|
|
|
#[cfg(feature = "wgpu")]
|
|
unsafe impl Send for RawWindow {}
|
|
#[cfg(feature = "wgpu")]
|
|
unsafe impl Sync for RawWindow {}
|
|
|
|
#[cfg(feature = "wgpu")]
|
|
impl rwh::HasWindowHandle for RawWindow {
|
|
fn window_handle(&self) -> std::result::Result<rwh::WindowHandle<'_>, rwh::HandleError> {
|
|
let raw = rwh::Win32WindowHandle::new(unsafe {
|
|
NonZeroIsize::new_unchecked(self.hwnd.0 as isize)
|
|
})
|
|
.into();
|
|
Ok(unsafe { rwh::WindowHandle::borrow_raw(raw) })
|
|
}
|
|
}
|
|
|
|
#[cfg(feature = "wgpu")]
|
|
impl rwh::HasDisplayHandle for RawWindow {
|
|
fn display_handle(&self) -> std::result::Result<rwh::DisplayHandle<'_>, rwh::HandleError> {
|
|
Ok(rwh::DisplayHandle::windows())
|
|
}
|
|
}
|
|
|
|
impl rwh::HasWindowHandle for WindowsWindow {
|
|
fn window_handle(&self) -> std::result::Result<rwh::WindowHandle<'_>, rwh::HandleError> {
|
|
let raw = rwh::Win32WindowHandle::new(unsafe {
|
|
NonZeroIsize::new_unchecked(self.0.hwnd.0 as isize)
|
|
})
|
|
.into();
|
|
Ok(unsafe { rwh::WindowHandle::borrow_raw(raw) })
|
|
}
|
|
}
|
|
|
|
impl rwh::HasDisplayHandle for WindowsWindow {
|
|
fn display_handle(&self) -> std::result::Result<rwh::DisplayHandle<'_>, rwh::HandleError> {
|
|
Ok(rwh::DisplayHandle::windows())
|
|
}
|
|
}
|
|
|
|
impl Drop for WindowsWindow {
|
|
fn drop(&mut self) {
|
|
// clone this `Rc` to prevent early release of the pointer
|
|
let this = self.0.clone();
|
|
self.0
|
|
.executor
|
|
.spawn(async move {
|
|
let handle = this.hwnd;
|
|
unsafe {
|
|
RevokeDragDrop(handle).log_err();
|
|
DestroyWindow(handle).log_err();
|
|
}
|
|
})
|
|
.detach();
|
|
}
|
|
}
|
|
|
|
impl PlatformWindow for WindowsWindow {
|
|
fn bounds(&self) -> Bounds<Pixels> {
|
|
self.state.bounds()
|
|
}
|
|
|
|
fn is_maximized(&self) -> bool {
|
|
self.state.is_maximized()
|
|
}
|
|
|
|
fn window_bounds(&self) -> WindowBounds {
|
|
self.state.window_bounds()
|
|
}
|
|
|
|
/// get the logical size of the app's drawable area.
|
|
///
|
|
/// Currently, GPUI uses the logical size of the app to handle mouse interactions (such as
|
|
/// whether the mouse collides with other elements of GPUI).
|
|
fn content_size(&self) -> Size<Pixels> {
|
|
self.state.content_size()
|
|
}
|
|
|
|
fn resize(&mut self, size: Size<Pixels>) {
|
|
let hwnd = self.0.hwnd;
|
|
let bounds = gpui::bounds(self.bounds().origin, size).to_device_pixels(self.scale_factor());
|
|
let rect = calculate_window_rect(bounds, &self.state.border_offset);
|
|
|
|
self.0
|
|
.executor
|
|
.spawn(async move {
|
|
unsafe {
|
|
SetWindowPos(
|
|
hwnd,
|
|
None,
|
|
bounds.origin.x.0,
|
|
bounds.origin.y.0,
|
|
rect.right - rect.left,
|
|
rect.bottom - rect.top,
|
|
SWP_NOMOVE,
|
|
)
|
|
.context("unable to set window content size")
|
|
.log_err();
|
|
}
|
|
})
|
|
.detach();
|
|
}
|
|
|
|
fn scale_factor(&self) -> f32 {
|
|
self.state.scale_factor.get()
|
|
}
|
|
|
|
fn appearance(&self) -> WindowAppearance {
|
|
self.state.appearance.get()
|
|
}
|
|
|
|
fn display(&self) -> Option<Rc<dyn PlatformDisplay>> {
|
|
Some(Rc::new(self.state.display.get()))
|
|
}
|
|
|
|
fn mouse_position(&self) -> Point<Pixels> {
|
|
let scale_factor = self.scale_factor();
|
|
let point = unsafe {
|
|
let mut point: POINT = std::mem::zeroed();
|
|
GetCursorPos(&mut point)
|
|
.context("unable to get cursor position")
|
|
.log_err();
|
|
ScreenToClient(self.0.hwnd, &mut point).ok().log_err();
|
|
point
|
|
};
|
|
logical_point(point.x as f32, point.y as f32, scale_factor)
|
|
}
|
|
|
|
fn modifiers(&self) -> Modifiers {
|
|
current_modifiers()
|
|
}
|
|
|
|
fn capslock(&self) -> Capslock {
|
|
current_capslock()
|
|
}
|
|
|
|
fn set_input_handler(&mut self, input_handler: PlatformInputHandler) {
|
|
self.state.input_handler.set(Some(input_handler));
|
|
}
|
|
|
|
fn take_input_handler(&mut self) -> Option<PlatformInputHandler> {
|
|
self.state.input_handler.take()
|
|
}
|
|
|
|
fn prompt(
|
|
&self,
|
|
level: PromptLevel,
|
|
msg: &str,
|
|
detail: Option<&str>,
|
|
answers: &[PromptButton],
|
|
) -> Option<Receiver<usize>> {
|
|
let (done_tx, done_rx) = oneshot::channel();
|
|
let msg = msg.to_string();
|
|
let detail_string = detail.map(|detail| detail.to_string());
|
|
let handle = self.0.hwnd;
|
|
let answers = answers.to_vec();
|
|
self.0
|
|
.executor
|
|
.spawn(async move {
|
|
unsafe {
|
|
let mut config = TASKDIALOGCONFIG::default();
|
|
config.cbSize = std::mem::size_of::<TASKDIALOGCONFIG>() as _;
|
|
config.hwndParent = handle;
|
|
let title;
|
|
let main_icon;
|
|
match level {
|
|
PromptLevel::Info => {
|
|
title = windows::core::w!("Info");
|
|
main_icon = TD_INFORMATION_ICON;
|
|
}
|
|
PromptLevel::Warning => {
|
|
title = windows::core::w!("Warning");
|
|
main_icon = TD_WARNING_ICON;
|
|
}
|
|
PromptLevel::Critical => {
|
|
title = windows::core::w!("Critical");
|
|
main_icon = TD_ERROR_ICON;
|
|
}
|
|
};
|
|
config.pszWindowTitle = title;
|
|
config.Anonymous1.pszMainIcon = main_icon;
|
|
let instruction = HSTRING::from(msg);
|
|
config.pszMainInstruction = PCWSTR::from_raw(instruction.as_ptr());
|
|
let hints_encoded;
|
|
if let Some(ref hints) = detail_string {
|
|
hints_encoded = HSTRING::from(hints);
|
|
config.pszContent = PCWSTR::from_raw(hints_encoded.as_ptr());
|
|
};
|
|
let mut button_id_map = Vec::with_capacity(answers.len());
|
|
let mut buttons = Vec::new();
|
|
let mut btn_encoded = Vec::new();
|
|
for (index, btn) in answers.iter().enumerate() {
|
|
let encoded = HSTRING::from(btn.label().as_ref());
|
|
let button_id = match btn {
|
|
PromptButton::Ok(_) => IDOK.0,
|
|
PromptButton::Cancel(_) => IDCANCEL.0,
|
|
// the first few low integer values are reserved for known buttons
|
|
// so for simplicity we just go backwards from -1
|
|
PromptButton::Other(_) => -(index as i32) - 1,
|
|
};
|
|
button_id_map.push(button_id);
|
|
buttons.push(TASKDIALOG_BUTTON {
|
|
nButtonID: button_id,
|
|
pszButtonText: PCWSTR::from_raw(encoded.as_ptr()),
|
|
});
|
|
btn_encoded.push(encoded);
|
|
}
|
|
config.cButtons = buttons.len() as _;
|
|
config.pButtons = buttons.as_ptr();
|
|
|
|
config.pfCallback = None;
|
|
let mut res = std::mem::zeroed();
|
|
let _ = TaskDialogIndirect(&config, Some(&mut res), None, None)
|
|
.context("unable to create task dialog")
|
|
.log_err();
|
|
|
|
if let Some(clicked) =
|
|
button_id_map.iter().position(|&button_id| button_id == res)
|
|
{
|
|
let _ = done_tx.send(clicked);
|
|
}
|
|
}
|
|
})
|
|
.detach();
|
|
|
|
Some(done_rx)
|
|
}
|
|
|
|
fn activate(&self) {
|
|
let hwnd = self.0.hwnd;
|
|
let this = self.0.clone();
|
|
self.0
|
|
.executor
|
|
.spawn(async move {
|
|
this.set_window_placement().log_err();
|
|
|
|
unsafe {
|
|
// If the window is minimized, restore it.
|
|
if IsIconic(hwnd).as_bool() {
|
|
ShowWindowAsync(hwnd, SW_RESTORE).ok().log_err();
|
|
}
|
|
|
|
SetActiveWindow(hwnd).ok();
|
|
SetFocus(Some(hwnd)).ok();
|
|
}
|
|
|
|
// premium ragebait by windows, this is needed because the window
|
|
// must have received an input event to be able to set itself to foreground
|
|
// so let's just simulate user input as that seems to be the most reliable way
|
|
// some more info: https://gist.github.com/Aetopia/1581b40f00cc0cadc93a0e8ccb65dc8c
|
|
// bonus: this bug also doesn't manifest if you have vs attached to the process
|
|
let inputs = [
|
|
INPUT {
|
|
r#type: INPUT_KEYBOARD,
|
|
Anonymous: INPUT_0 {
|
|
ki: KEYBDINPUT {
|
|
wVk: VK_MENU,
|
|
dwFlags: KEYBD_EVENT_FLAGS(0),
|
|
..Default::default()
|
|
},
|
|
},
|
|
},
|
|
INPUT {
|
|
r#type: INPUT_KEYBOARD,
|
|
Anonymous: INPUT_0 {
|
|
ki: KEYBDINPUT {
|
|
wVk: VK_MENU,
|
|
dwFlags: KEYEVENTF_KEYUP,
|
|
..Default::default()
|
|
},
|
|
},
|
|
},
|
|
];
|
|
unsafe { SendInput(&inputs, std::mem::size_of::<INPUT>() as i32) };
|
|
|
|
// todo(windows)
|
|
// crate `windows 0.56` reports true as Err
|
|
unsafe { SetForegroundWindow(hwnd).as_bool() };
|
|
})
|
|
.detach();
|
|
}
|
|
|
|
fn is_active(&self) -> bool {
|
|
self.0.hwnd == unsafe { GetActiveWindow() }
|
|
}
|
|
|
|
fn is_hovered(&self) -> bool {
|
|
self.state.hovered.get()
|
|
}
|
|
|
|
fn background_appearance(&self) -> WindowBackgroundAppearance {
|
|
self.state.background_appearance.get()
|
|
}
|
|
|
|
fn is_subpixel_rendering_supported(&self) -> bool {
|
|
true
|
|
}
|
|
|
|
fn set_title(&mut self, title: &str) {
|
|
unsafe { SetWindowTextW(self.0.hwnd, &HSTRING::from(title)) }
|
|
.inspect_err(|e| log::error!("Set title failed: {e}"))
|
|
.ok();
|
|
}
|
|
|
|
fn set_background_appearance(&self, background_appearance: WindowBackgroundAppearance) {
|
|
self.state.background_appearance.set(background_appearance);
|
|
let hwnd = self.0.hwnd;
|
|
|
|
// using Dwm APIs for Mica and MicaAlt backdrops.
|
|
// others follow the set_window_composition_attribute approach
|
|
match background_appearance {
|
|
WindowBackgroundAppearance::Opaque => {
|
|
set_window_composition_attribute(hwnd, None, 0);
|
|
}
|
|
WindowBackgroundAppearance::Transparent => {
|
|
set_window_composition_attribute(hwnd, None, 2);
|
|
}
|
|
WindowBackgroundAppearance::Blurred => {
|
|
set_window_composition_attribute(hwnd, Some((0, 0, 0, 0)), 4);
|
|
}
|
|
WindowBackgroundAppearance::MicaBackdrop => {
|
|
// DWMSBT_MAINWINDOW => MicaBase
|
|
dwm_set_window_composition_attribute(hwnd, 2);
|
|
}
|
|
WindowBackgroundAppearance::MicaAltBackdrop => {
|
|
// DWMSBT_TABBEDWINDOW => MicaAlt
|
|
dwm_set_window_composition_attribute(hwnd, 4);
|
|
}
|
|
}
|
|
}
|
|
|
|
fn minimize(&self) {
|
|
unsafe { ShowWindowAsync(self.0.hwnd, SW_MINIMIZE).ok().log_err() };
|
|
}
|
|
|
|
fn zoom(&self) {
|
|
let is_visible = unsafe { IsWindowVisible(self.0.hwnd).as_bool() };
|
|
if !is_visible {
|
|
if let Some(mut status) = self.state.initial_placement.take() {
|
|
status.state = WindowOpenState::Maximized;
|
|
self.state.initial_placement.set(Some(status));
|
|
}
|
|
return;
|
|
}
|
|
|
|
let window_operation = if self.is_maximized() {
|
|
SW_RESTORE
|
|
} else {
|
|
SW_MAXIMIZE
|
|
};
|
|
unsafe {
|
|
ShowWindowAsync(self.0.hwnd, window_operation)
|
|
.ok()
|
|
.log_err();
|
|
}
|
|
}
|
|
|
|
fn toggle_fullscreen(&self) {
|
|
if unsafe { IsWindowVisible(self.0.hwnd).as_bool() } {
|
|
self.0.toggle_fullscreen();
|
|
} else if let Some(mut status) = self.state.initial_placement.take() {
|
|
status.state = WindowOpenState::Fullscreen;
|
|
self.state.initial_placement.set(Some(status));
|
|
}
|
|
}
|
|
|
|
fn is_fullscreen(&self) -> bool {
|
|
self.state.is_fullscreen()
|
|
}
|
|
|
|
fn on_request_frame(&self, callback: Box<dyn FnMut(RequestFrameOptions)>) {
|
|
self.state.callbacks.request_frame.set(Some(callback));
|
|
}
|
|
|
|
fn on_input(&self, callback: Box<dyn FnMut(PlatformInput) -> DispatchEventResult>) {
|
|
self.state.callbacks.input.set(Some(callback));
|
|
}
|
|
|
|
fn on_active_status_change(&self, callback: Box<dyn FnMut(bool)>) {
|
|
self.0
|
|
.state
|
|
.callbacks
|
|
.active_status_change
|
|
.set(Some(callback));
|
|
}
|
|
|
|
fn on_hover_status_change(&self, callback: Box<dyn FnMut(bool)>) {
|
|
self.0
|
|
.state
|
|
.callbacks
|
|
.hovered_status_change
|
|
.set(Some(callback));
|
|
}
|
|
|
|
fn on_resize(&self, callback: Box<dyn FnMut(Size<Pixels>, f32)>) {
|
|
self.state.callbacks.resize.set(Some(callback));
|
|
}
|
|
|
|
fn on_moved(&self, callback: Box<dyn FnMut()>) {
|
|
self.state.callbacks.moved.set(Some(callback));
|
|
}
|
|
|
|
fn on_should_close(&self, callback: Box<dyn FnMut() -> bool>) {
|
|
self.state.callbacks.should_close.set(Some(callback));
|
|
}
|
|
|
|
fn on_close(&self, callback: Box<dyn FnOnce()>) {
|
|
self.state.callbacks.close.set(Some(callback));
|
|
}
|
|
|
|
fn on_hit_test_window_control(&self, callback: Box<dyn FnMut() -> Option<WindowControlArea>>) {
|
|
self.0
|
|
.state
|
|
.callbacks
|
|
.hit_test_window_control
|
|
.set(Some(callback));
|
|
}
|
|
|
|
fn on_appearance_changed(&self, callback: Box<dyn FnMut()>) {
|
|
self.0
|
|
.state
|
|
.callbacks
|
|
.appearance_changed
|
|
.set(Some(callback));
|
|
}
|
|
|
|
fn draw(&self, scene: &Scene) {
|
|
#[cfg(not(feature = "wgpu"))]
|
|
{
|
|
self.state
|
|
.renderer
|
|
.borrow_mut()
|
|
.draw(scene, self.state.background_appearance.get())
|
|
.log_err();
|
|
}
|
|
|
|
#[cfg(feature = "wgpu")]
|
|
{
|
|
let mut renderer = self.state.renderer.borrow_mut();
|
|
if renderer.device_lost() {
|
|
match renderer.recover(&RawWindow {
|
|
hwnd: self.platform_window_handle,
|
|
}) {
|
|
Ok(()) => {}
|
|
Err(err) => {
|
|
log::warn!("GPU recovery failed, will retry on next frame: {err}");
|
|
}
|
|
}
|
|
|
|
self.state.force_render_after_recovery.set(true);
|
|
return;
|
|
}
|
|
if !renderer.draw(scene) {
|
|
log::error!("failed to render scene");
|
|
}
|
|
|
|
if renderer.needs_redraw() {
|
|
self.state.force_render_after_recovery.set(true);
|
|
}
|
|
}
|
|
}
|
|
|
|
fn sprite_atlas(&self) -> Arc<dyn PlatformAtlas> {
|
|
self.state.renderer.borrow().sprite_atlas().clone()
|
|
}
|
|
|
|
fn get_raw_handle(&self) -> HWND {
|
|
self.0.hwnd
|
|
}
|
|
|
|
fn gpu_specs(&self) -> Option<GpuSpecs> {
|
|
#[cfg(feature = "wgpu")]
|
|
return Some(self.state.renderer.borrow().gpu_specs());
|
|
#[cfg(not(feature = "wgpu"))]
|
|
self.state.renderer.borrow().gpu_specs().log_err()
|
|
}
|
|
|
|
fn update_ime_position(&self, bounds: Bounds<Pixels>) {
|
|
let scale_factor = self.state.scale_factor.get();
|
|
let caret_position = POINT {
|
|
x: (bounds.origin.x.as_f32() * scale_factor) as i32,
|
|
y: (bounds.origin.y.as_f32() * scale_factor) as i32
|
|
+ ((bounds.size.height.as_f32() * scale_factor) as i32 / 2),
|
|
};
|
|
|
|
self.0.update_ime_position(self.0.hwnd, caret_position);
|
|
}
|
|
|
|
fn play_system_bell(&self) {
|
|
// MB_OK: The sound specified as the Windows Default Beep sound.
|
|
let _ = unsafe { MessageBeep(MB_OK) };
|
|
}
|
|
|
|
fn a11y_init(&self, callbacks: gpui::A11yCallbacks) {
|
|
let action_handler = A11yActionHandler(callbacks.action);
|
|
let is_focused = unsafe { GetForegroundWindow() } == self.0.hwnd;
|
|
|
|
let adapter = accesskit_windows::Adapter::new(
|
|
accesskit_windows::HWND(self.0.hwnd.0),
|
|
is_focused,
|
|
action_handler,
|
|
);
|
|
|
|
let activation_handler = A11yActivationHandler {
|
|
callback: callbacks.activation,
|
|
};
|
|
|
|
*self.state.a11y.borrow_mut() = Some(A11yState {
|
|
adapter,
|
|
activation_handler,
|
|
});
|
|
}
|
|
|
|
fn a11y_tree_update(&self, tree_update: accesskit::TreeUpdate) {
|
|
let events = {
|
|
let mut a11y = self.state.a11y.borrow_mut();
|
|
a11y.as_mut()
|
|
.and_then(|a11y| a11y.adapter.update_if_active(|| tree_update))
|
|
};
|
|
// The borrow must be dropped before raising events, because
|
|
// `events.raise()` calls `UiaRaiseAutomationPropertyChangedEvent`
|
|
// which may send a nested `WM_GETOBJECT` back into this window
|
|
// procedure, re-entering `handle_wm_getobject` which also borrows
|
|
// `self.state.a11y`.
|
|
if let Some(events) = events {
|
|
events.raise();
|
|
}
|
|
}
|
|
|
|
fn a11y_update_window_bounds(&self) {
|
|
// Windows UIA handles window bounds tracking automatically.
|
|
}
|
|
}
|
|
|
|
pub(crate) struct A11yState {
|
|
pub(crate) adapter: accesskit_windows::Adapter,
|
|
pub(crate) activation_handler: A11yActivationHandler,
|
|
}
|
|
|
|
pub(crate) struct A11yActivationHandler {
|
|
callback: Box<dyn Fn() -> Option<accesskit::TreeUpdate> + Send + 'static>,
|
|
}
|
|
|
|
impl accesskit::ActivationHandler for A11yActivationHandler {
|
|
fn request_initial_tree(&mut self) -> Option<accesskit::TreeUpdate> {
|
|
(self.callback)()
|
|
}
|
|
}
|
|
|
|
struct A11yActionHandler(Box<dyn Fn(accesskit::ActionRequest) + Send + 'static>);
|
|
|
|
impl accesskit::ActionHandler for A11yActionHandler {
|
|
fn do_action(&mut self, request: accesskit::ActionRequest) {
|
|
(self.0)(request);
|
|
}
|
|
}
|
|
|
|
#[implement(IDropTarget)]
|
|
struct WindowsDragDropHandler(pub Rc<WindowsWindowInner>);
|
|
|
|
impl WindowsDragDropHandler {
|
|
fn handle_drag_drop(&self, input: PlatformInput) {
|
|
if let Some(mut func) = self.0.state.callbacks.input.take() {
|
|
func(input);
|
|
self.0.state.callbacks.input.set(Some(func));
|
|
}
|
|
}
|
|
}
|
|
|
|
#[allow(non_snake_case)]
|
|
impl IDropTarget_Impl for WindowsDragDropHandler_Impl {
|
|
fn DragEnter(
|
|
&self,
|
|
pdataobj: windows::core::Ref<IDataObject>,
|
|
_grfkeystate: MODIFIERKEYS_FLAGS,
|
|
pt: &POINTL,
|
|
pdweffect: *mut DROPEFFECT,
|
|
) -> windows::core::Result<()> {
|
|
unsafe {
|
|
let idata_obj = pdataobj.ok()?;
|
|
let config = FORMATETC {
|
|
cfFormat: CF_HDROP.0,
|
|
ptd: std::ptr::null_mut() as _,
|
|
dwAspect: DVASPECT_CONTENT.0,
|
|
lindex: -1,
|
|
tymed: TYMED_HGLOBAL.0 as _,
|
|
};
|
|
let cursor_position = POINT { x: pt.x, y: pt.y };
|
|
if idata_obj.QueryGetData(&config as _) == S_OK {
|
|
*pdweffect = DROPEFFECT_COPY;
|
|
let Some(mut idata) = idata_obj.GetData(&config as _).log_err() else {
|
|
return Ok(());
|
|
};
|
|
if idata.u.hGlobal.is_invalid() {
|
|
return Ok(());
|
|
}
|
|
let hdrop = HDROP(idata.u.hGlobal.0);
|
|
let mut paths = SmallVec::<[PathBuf; 2]>::new();
|
|
with_file_names(hdrop, |file_name| {
|
|
if let Some(path) = PathBuf::from_str(&file_name).log_err() {
|
|
paths.push(path);
|
|
}
|
|
});
|
|
ReleaseStgMedium(&mut idata);
|
|
let mut cursor_position = cursor_position;
|
|
ScreenToClient(self.0.hwnd, &mut cursor_position)
|
|
.ok()
|
|
.log_err();
|
|
let scale_factor = self.0.state.scale_factor.get();
|
|
let input = PlatformInput::FileDrop(FileDropEvent::Entered {
|
|
position: logical_point(
|
|
cursor_position.x as f32,
|
|
cursor_position.y as f32,
|
|
scale_factor,
|
|
),
|
|
paths: ExternalPaths(paths),
|
|
});
|
|
self.handle_drag_drop(input);
|
|
} else {
|
|
*pdweffect = DROPEFFECT_NONE;
|
|
}
|
|
self.0
|
|
.drop_target_helper
|
|
.DragEnter(self.0.hwnd, idata_obj, &cursor_position, *pdweffect)
|
|
.log_err();
|
|
}
|
|
Ok(())
|
|
}
|
|
|
|
fn DragOver(
|
|
&self,
|
|
_grfkeystate: MODIFIERKEYS_FLAGS,
|
|
pt: &POINTL,
|
|
pdweffect: *mut DROPEFFECT,
|
|
) -> windows::core::Result<()> {
|
|
let mut cursor_position = POINT { x: pt.x, y: pt.y };
|
|
unsafe {
|
|
*pdweffect = DROPEFFECT_COPY;
|
|
self.0
|
|
.drop_target_helper
|
|
.DragOver(&cursor_position, *pdweffect)
|
|
.log_err();
|
|
ScreenToClient(self.0.hwnd, &mut cursor_position)
|
|
.ok()
|
|
.log_err();
|
|
}
|
|
let scale_factor = self.0.state.scale_factor.get();
|
|
let input = PlatformInput::FileDrop(FileDropEvent::Pending {
|
|
position: logical_point(
|
|
cursor_position.x as f32,
|
|
cursor_position.y as f32,
|
|
scale_factor,
|
|
),
|
|
});
|
|
self.handle_drag_drop(input);
|
|
|
|
Ok(())
|
|
}
|
|
|
|
fn DragLeave(&self) -> windows::core::Result<()> {
|
|
unsafe {
|
|
self.0.drop_target_helper.DragLeave().log_err();
|
|
}
|
|
let input = PlatformInput::FileDrop(FileDropEvent::Exited);
|
|
self.handle_drag_drop(input);
|
|
|
|
Ok(())
|
|
}
|
|
|
|
fn Drop(
|
|
&self,
|
|
pdataobj: windows::core::Ref<IDataObject>,
|
|
_grfkeystate: MODIFIERKEYS_FLAGS,
|
|
pt: &POINTL,
|
|
pdweffect: *mut DROPEFFECT,
|
|
) -> windows::core::Result<()> {
|
|
let idata_obj = pdataobj.ok()?;
|
|
let mut cursor_position = POINT { x: pt.x, y: pt.y };
|
|
unsafe {
|
|
*pdweffect = DROPEFFECT_COPY;
|
|
self.0
|
|
.drop_target_helper
|
|
.Drop(idata_obj, &cursor_position, *pdweffect)
|
|
.log_err();
|
|
ScreenToClient(self.0.hwnd, &mut cursor_position)
|
|
.ok()
|
|
.log_err();
|
|
}
|
|
let scale_factor = self.0.state.scale_factor.get();
|
|
let input = PlatformInput::FileDrop(FileDropEvent::Submit {
|
|
position: logical_point(
|
|
cursor_position.x as f32,
|
|
cursor_position.y as f32,
|
|
scale_factor,
|
|
),
|
|
});
|
|
self.handle_drag_drop(input);
|
|
|
|
Ok(())
|
|
}
|
|
}
|
|
|
|
#[derive(Debug, Clone)]
|
|
pub(crate) struct ClickState {
|
|
button: Cell<MouseButton>,
|
|
last_click: Cell<Instant>,
|
|
last_position: Cell<Point<DevicePixels>>,
|
|
double_click_spatial_tolerance_width: Cell<i32>,
|
|
double_click_spatial_tolerance_height: Cell<i32>,
|
|
double_click_interval: Cell<Duration>,
|
|
pub(crate) current_count: Cell<usize>,
|
|
}
|
|
|
|
impl ClickState {
|
|
pub fn new() -> Self {
|
|
let double_click_spatial_tolerance_width = unsafe { GetSystemMetrics(SM_CXDOUBLECLK) };
|
|
let double_click_spatial_tolerance_height = unsafe { GetSystemMetrics(SM_CYDOUBLECLK) };
|
|
let double_click_interval = Duration::from_millis(unsafe { GetDoubleClickTime() } as u64);
|
|
|
|
ClickState {
|
|
button: Cell::new(MouseButton::Left),
|
|
last_click: Cell::new(Instant::now()),
|
|
last_position: Cell::new(Point::default()),
|
|
double_click_spatial_tolerance_width: Cell::new(double_click_spatial_tolerance_width),
|
|
double_click_spatial_tolerance_height: Cell::new(double_click_spatial_tolerance_height),
|
|
double_click_interval: Cell::new(double_click_interval),
|
|
current_count: Cell::new(0),
|
|
}
|
|
}
|
|
|
|
/// update self and return the needed click count
|
|
pub fn update(&self, button: MouseButton, new_position: Point<DevicePixels>) -> usize {
|
|
if self.button.get() == button && self.is_double_click(new_position) {
|
|
self.current_count.update(|it| it + 1);
|
|
} else {
|
|
self.current_count.set(1);
|
|
}
|
|
self.last_click.set(Instant::now());
|
|
self.last_position.set(new_position);
|
|
self.button.set(button);
|
|
|
|
self.current_count.get()
|
|
}
|
|
|
|
pub fn system_update(&self, wparam: usize) {
|
|
match wparam {
|
|
// SPI_SETDOUBLECLKWIDTH
|
|
29 => self
|
|
.double_click_spatial_tolerance_width
|
|
.set(unsafe { GetSystemMetrics(SM_CXDOUBLECLK) }),
|
|
// SPI_SETDOUBLECLKHEIGHT
|
|
30 => self
|
|
.double_click_spatial_tolerance_height
|
|
.set(unsafe { GetSystemMetrics(SM_CYDOUBLECLK) }),
|
|
// SPI_SETDOUBLECLICKTIME
|
|
32 => self
|
|
.double_click_interval
|
|
.set(Duration::from_millis(unsafe { GetDoubleClickTime() } as u64)),
|
|
_ => {}
|
|
}
|
|
}
|
|
|
|
#[inline]
|
|
fn is_double_click(&self, new_position: Point<DevicePixels>) -> bool {
|
|
let diff = self.last_position.get() - new_position;
|
|
|
|
self.last_click.get().elapsed() < self.double_click_interval.get()
|
|
&& diff.x.0.abs() <= self.double_click_spatial_tolerance_width.get()
|
|
&& diff.y.0.abs() <= self.double_click_spatial_tolerance_height.get()
|
|
}
|
|
}
|
|
|
|
#[derive(Copy, Clone)]
|
|
struct StyleAndBounds {
|
|
style: WINDOW_STYLE,
|
|
x: i32,
|
|
y: i32,
|
|
cx: i32,
|
|
cy: i32,
|
|
}
|
|
|
|
#[repr(C)]
|
|
struct WINDOWCOMPOSITIONATTRIBDATA {
|
|
attrib: u32,
|
|
pv_data: *mut std::ffi::c_void,
|
|
cb_data: usize,
|
|
}
|
|
|
|
#[repr(C)]
|
|
struct AccentPolicy {
|
|
accent_state: u32,
|
|
accent_flags: u32,
|
|
gradient_color: u32,
|
|
animation_id: u32,
|
|
}
|
|
|
|
type Color = (u8, u8, u8, u8);
|
|
|
|
#[derive(Debug, Default, Clone)]
|
|
pub(crate) struct WindowBorderOffset {
|
|
pub(crate) width_offset: Cell<i32>,
|
|
pub(crate) height_offset: Cell<i32>,
|
|
}
|
|
|
|
impl WindowBorderOffset {
|
|
pub(crate) fn update(&self, hwnd: HWND) -> anyhow::Result<()> {
|
|
let window_rect = unsafe {
|
|
let mut rect = std::mem::zeroed();
|
|
GetWindowRect(hwnd, &mut rect)?;
|
|
rect
|
|
};
|
|
let client_rect = unsafe {
|
|
let mut rect = std::mem::zeroed();
|
|
GetClientRect(hwnd, &mut rect)?;
|
|
rect
|
|
};
|
|
self.width_offset
|
|
.set((window_rect.right - window_rect.left) - (client_rect.right - client_rect.left));
|
|
self.height_offset
|
|
.set((window_rect.bottom - window_rect.top) - (client_rect.bottom - client_rect.top));
|
|
Ok(())
|
|
}
|
|
}
|
|
|
|
#[derive(Clone)]
|
|
struct WindowOpenStatus {
|
|
placement: WINDOWPLACEMENT,
|
|
state: WindowOpenState,
|
|
}
|
|
|
|
#[derive(Clone, Copy)]
|
|
enum WindowOpenState {
|
|
Maximized,
|
|
Fullscreen,
|
|
Windowed,
|
|
}
|
|
|
|
const WINDOW_CLASS_NAME: PCWSTR = w!("Zed::Window");
|
|
|
|
fn register_window_class(icon_handle: HICON) {
|
|
static ONCE: Once = Once::new();
|
|
ONCE.call_once(|| {
|
|
let wc = WNDCLASSW {
|
|
lpfnWndProc: Some(window_procedure),
|
|
hIcon: icon_handle,
|
|
lpszClassName: PCWSTR(WINDOW_CLASS_NAME.as_ptr()),
|
|
style: CS_HREDRAW | CS_VREDRAW,
|
|
hInstance: get_module_handle().into(),
|
|
hbrBackground: unsafe { CreateSolidBrush(COLORREF(0x00000000)) },
|
|
..Default::default()
|
|
};
|
|
unsafe { RegisterClassW(&wc) };
|
|
});
|
|
}
|
|
|
|
unsafe extern "system" fn window_procedure(
|
|
hwnd: HWND,
|
|
msg: u32,
|
|
wparam: WPARAM,
|
|
lparam: LPARAM,
|
|
) -> LRESULT {
|
|
if msg == WM_NCCREATE {
|
|
let window_params = unsafe { &*(lparam.0 as *const CREATESTRUCTW) };
|
|
let window_creation_context = window_params.lpCreateParams as *mut WindowCreateContext;
|
|
let window_creation_context = unsafe { &mut *window_creation_context };
|
|
return match WindowsWindowInner::new(window_creation_context, hwnd, window_params) {
|
|
Ok(window_state) => {
|
|
let weak = Box::new(Rc::downgrade(&window_state));
|
|
unsafe { set_window_long(hwnd, GWLP_USERDATA, Box::into_raw(weak) as isize) };
|
|
window_creation_context.inner = Some(Ok(window_state));
|
|
unsafe { DefWindowProcW(hwnd, msg, wparam, lparam) }
|
|
}
|
|
Err(error) => {
|
|
window_creation_context.inner = Some(Err(error));
|
|
LRESULT(0)
|
|
}
|
|
};
|
|
}
|
|
|
|
let ptr = unsafe { get_window_long(hwnd, GWLP_USERDATA) } as *mut Weak<WindowsWindowInner>;
|
|
if ptr.is_null() {
|
|
return unsafe { DefWindowProcW(hwnd, msg, wparam, lparam) };
|
|
}
|
|
let inner = unsafe { &*ptr };
|
|
let result = if let Some(inner) = inner.upgrade() {
|
|
inner.handle_msg(hwnd, msg, wparam, lparam)
|
|
} else {
|
|
unsafe { DefWindowProcW(hwnd, msg, wparam, lparam) }
|
|
};
|
|
|
|
if msg == WM_NCDESTROY {
|
|
unsafe { set_window_long(hwnd, GWLP_USERDATA, 0) };
|
|
unsafe { drop(Box::from_raw(ptr)) };
|
|
}
|
|
|
|
result
|
|
}
|
|
|
|
pub(crate) fn window_from_hwnd(hwnd: HWND) -> Option<Rc<WindowsWindowInner>> {
|
|
if hwnd.is_invalid() {
|
|
return None;
|
|
}
|
|
|
|
let ptr = unsafe { get_window_long(hwnd, GWLP_USERDATA) } as *mut Weak<WindowsWindowInner>;
|
|
if !ptr.is_null() {
|
|
let inner = unsafe { &*ptr };
|
|
inner.upgrade()
|
|
} else {
|
|
None
|
|
}
|
|
}
|
|
|
|
fn get_module_handle() -> HMODULE {
|
|
unsafe {
|
|
let mut h_module = std::mem::zeroed();
|
|
GetModuleHandleExW(
|
|
GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS | GET_MODULE_HANDLE_EX_FLAG_UNCHANGED_REFCOUNT,
|
|
windows::core::w!("ZedModule"),
|
|
&mut h_module,
|
|
)
|
|
.expect("Unable to get module handle"); // this should never fail
|
|
|
|
h_module
|
|
}
|
|
}
|
|
|
|
fn register_drag_drop(window: &Rc<WindowsWindowInner>) -> Result<()> {
|
|
let window_handle = window.hwnd;
|
|
let handler = WindowsDragDropHandler(window.clone());
|
|
// The lifetime of `IDropTarget` is handled by Windows, it won't release until
|
|
// we call `RevokeDragDrop`.
|
|
// So, it's safe to drop it here.
|
|
let drag_drop_handler: IDropTarget = handler.into();
|
|
unsafe {
|
|
RegisterDragDrop(window_handle, &drag_drop_handler)
|
|
.context("unable to register drag-drop event")?;
|
|
}
|
|
Ok(())
|
|
}
|
|
|
|
fn calculate_window_rect(bounds: Bounds<DevicePixels>, border_offset: &WindowBorderOffset) -> RECT {
|
|
// NOTE:
|
|
// The reason we're not using `AdjustWindowRectEx()` here is
|
|
// that the size reported by this function is incorrect.
|
|
// You can test it, and there are similar discussions online.
|
|
// See: https://stackoverflow.com/questions/12423584/how-to-set-exact-client-size-for-overlapped-window-winapi
|
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//
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// So we manually calculate these values here.
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let mut rect = RECT {
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left: bounds.left().0,
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top: bounds.top().0,
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right: bounds.right().0,
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bottom: bounds.bottom().0,
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};
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let left_offset = border_offset.width_offset.get() / 2;
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let top_offset = border_offset.height_offset.get() / 2;
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let right_offset = border_offset.width_offset.get() - left_offset;
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let bottom_offset = border_offset.height_offset.get() - top_offset;
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rect.left -= left_offset;
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rect.top -= top_offset;
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rect.right += right_offset;
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rect.bottom += bottom_offset;
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rect
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}
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fn calculate_client_rect(
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rect: RECT,
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border_offset: &WindowBorderOffset,
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scale_factor: f32,
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) -> Bounds<Pixels> {
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let left_offset = border_offset.width_offset.get() / 2;
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let top_offset = border_offset.height_offset.get() / 2;
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let right_offset = border_offset.width_offset.get() - left_offset;
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let bottom_offset = border_offset.height_offset.get() - top_offset;
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let left = rect.left + left_offset;
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let top = rect.top + top_offset;
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let right = rect.right - right_offset;
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let bottom = rect.bottom - bottom_offset;
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let physical_size = size(DevicePixels(right - left), DevicePixels(bottom - top));
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Bounds {
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origin: logical_point(left as f32, top as f32, scale_factor),
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size: physical_size.to_pixels(scale_factor),
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}
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}
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fn retrieve_window_placement(
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hwnd: HWND,
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display: WindowsDisplay,
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initial_bounds: Bounds<Pixels>,
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scale_factor: f32,
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border_offset: &WindowBorderOffset,
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) -> Result<WINDOWPLACEMENT> {
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let mut placement = WINDOWPLACEMENT {
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length: std::mem::size_of::<WINDOWPLACEMENT>() as u32,
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..Default::default()
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};
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unsafe { GetWindowPlacement(hwnd, &mut placement)? };
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// the bounds may be not inside the display
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let bounds = if display.check_given_bounds(initial_bounds) {
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initial_bounds
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} else {
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display.default_bounds()
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};
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let bounds = bounds.to_device_pixels(scale_factor);
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placement.rcNormalPosition = calculate_window_rect(bounds, border_offset);
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Ok(placement)
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}
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|
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|
fn dwm_set_window_composition_attribute(hwnd: HWND, backdrop_type: u32) {
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let mut version = unsafe { std::mem::zeroed() };
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let status = unsafe { windows::Wdk::System::SystemServices::RtlGetVersion(&mut version) };
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|
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// DWMWA_SYSTEMBACKDROP_TYPE is available only on version 22621 or later
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// using SetWindowCompositionAttributeType as a fallback
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if !status.is_ok() || version.dwBuildNumber < 22621 {
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return;
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}
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|
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unsafe {
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let result = DwmSetWindowAttribute(
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hwnd,
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DWMWA_SYSTEMBACKDROP_TYPE,
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&backdrop_type as *const _ as *const _,
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std::mem::size_of_val(&backdrop_type) as u32,
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);
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|
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if !result.is_ok() {
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return;
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}
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}
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}
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|
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|
fn set_window_composition_attribute(hwnd: HWND, color: Option<Color>, state: u32) {
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|
let mut version = unsafe { std::mem::zeroed() };
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let status = unsafe { windows::Wdk::System::SystemServices::RtlGetVersion(&mut version) };
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|
|
|
if !status.is_ok() || version.dwBuildNumber < 17763 {
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return;
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|
}
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|
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|
unsafe {
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|
type SetWindowCompositionAttributeType =
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|
unsafe extern "system" fn(HWND, *mut WINDOWCOMPOSITIONATTRIBDATA) -> BOOL;
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|
let module_name = PCSTR::from_raw(c"user32.dll".as_ptr() as *const u8);
|
|
if let Some(user32) = GetModuleHandleA(module_name)
|
|
.context("Unable to get user32.dll handle")
|
|
.log_err()
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|
{
|
|
let func_name = PCSTR::from_raw(c"SetWindowCompositionAttribute".as_ptr() as *const u8);
|
|
let set_window_composition_attribute: SetWindowCompositionAttributeType =
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std::mem::transmute(GetProcAddress(user32, func_name));
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|
let mut color = color.unwrap_or_default();
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|
let is_acrylic = state == 4;
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|
if is_acrylic && color.3 == 0 {
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|
color.3 = 1;
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|
}
|
|
let accent = AccentPolicy {
|
|
accent_state: state,
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|
accent_flags: if is_acrylic { 0 } else { 2 },
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|
gradient_color: (color.0 as u32)
|
|
| ((color.1 as u32) << 8)
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|
| ((color.2 as u32) << 16)
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|
| ((color.3 as u32) << 24),
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|
animation_id: 0,
|
|
};
|
|
let mut data = WINDOWCOMPOSITIONATTRIBDATA {
|
|
attrib: 0x13,
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|
pv_data: &accent as *const _ as *mut _,
|
|
cb_data: std::mem::size_of::<AccentPolicy>(),
|
|
};
|
|
let _ = set_window_composition_attribute(hwnd, &mut data as *mut _ as _);
|
|
}
|
|
}
|
|
}
|
|
|
|
// When the platform title bar is hidden, Windows may think that our application is meant to appear 'fullscreen'
|
|
// and will stop the taskbar from appearing on top of our window. Prevent this.
|
|
// https://devblogs.microsoft.com/oldnewthing/20250522-00/?p=111211
|
|
fn set_non_rude_hwnd(hwnd: HWND, non_rude: bool) {
|
|
if non_rude {
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|
unsafe { SetPropW(hwnd, w!("NonRudeHWND"), Some(HANDLE(1 as _))) }.log_err();
|
|
} else {
|
|
unsafe { RemovePropW(hwnd, w!("NonRudeHWND")) }.log_err();
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::ClickState;
|
|
use gpui::{DevicePixels, MouseButton, point};
|
|
use std::time::Duration;
|
|
|
|
#[test]
|
|
fn test_double_click_interval() {
|
|
let state = ClickState::new();
|
|
assert_eq!(
|
|
state.update(MouseButton::Left, point(DevicePixels(0), DevicePixels(0))),
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|
1
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|
);
|
|
assert_eq!(
|
|
state.update(MouseButton::Right, point(DevicePixels(0), DevicePixels(0))),
|
|
1
|
|
);
|
|
assert_eq!(
|
|
state.update(MouseButton::Left, point(DevicePixels(0), DevicePixels(0))),
|
|
1
|
|
);
|
|
assert_eq!(
|
|
state.update(MouseButton::Left, point(DevicePixels(0), DevicePixels(0))),
|
|
2
|
|
);
|
|
state
|
|
.last_click
|
|
.update(|it| it - Duration::from_millis(700));
|
|
assert_eq!(
|
|
state.update(MouseButton::Left, point(DevicePixels(0), DevicePixels(0))),
|
|
1
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_double_click_spatial_tolerance() {
|
|
let state = ClickState::new();
|
|
assert_eq!(
|
|
state.update(MouseButton::Left, point(DevicePixels(-3), DevicePixels(0))),
|
|
1
|
|
);
|
|
assert_eq!(
|
|
state.update(MouseButton::Left, point(DevicePixels(0), DevicePixels(3))),
|
|
2
|
|
);
|
|
assert_eq!(
|
|
state.update(MouseButton::Right, point(DevicePixels(3), DevicePixels(2))),
|
|
1
|
|
);
|
|
assert_eq!(
|
|
state.update(MouseButton::Right, point(DevicePixels(10), DevicePixels(0))),
|
|
1
|
|
);
|
|
}
|
|
}
|