1037 lines
37 KiB
Rust
1037 lines
37 KiB
Rust
use std::{
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cell::RefCell,
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rc::Rc,
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sync::{Arc, Mutex},
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};
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use smithay::{
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backend::renderer::buffer_dimensions,
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reexports::{
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wayland_protocols::xdg_shell::server::xdg_toplevel,
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wayland_server::{
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protocol::{wl_buffer, wl_output, wl_pointer::ButtonState, wl_shell_surface, wl_surface},
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Display,
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},
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},
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utils::Rectangle,
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wayland::{
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compositor::{
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compositor_init, is_sync_subsurface, with_states, with_surface_tree_upward, BufferAssignment,
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SurfaceAttributes, TraversalAction,
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},
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seat::{AxisFrame, GrabStartData, PointerGrab, PointerInnerHandle, Seat},
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shell::{
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legacy::{wl_shell_init, ShellRequest, ShellState as WlShellState, ShellSurfaceKind},
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xdg::{
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xdg_shell_init, Configure, ShellState as XdgShellState, SurfaceCachedState,
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XdgPopupSurfaceRoleAttributes, XdgRequest, XdgToplevelSurfaceRoleAttributes,
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},
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},
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Serial,
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},
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};
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use crate::{
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output_map::OutputMap,
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state::AnvilState,
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window_map::{Kind as SurfaceKind, PopupKind, WindowMap},
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};
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struct MoveSurfaceGrab {
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start_data: GrabStartData,
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window_map: Rc<RefCell<WindowMap>>,
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toplevel: SurfaceKind,
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initial_window_location: (i32, i32),
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}
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impl PointerGrab for MoveSurfaceGrab {
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fn motion(
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&mut self,
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_handle: &mut PointerInnerHandle<'_>,
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location: (f64, f64),
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_focus: Option<(wl_surface::WlSurface, (f64, f64))>,
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_serial: Serial,
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_time: u32,
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) {
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let dx = location.0 - self.start_data.location.0;
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let dy = location.1 - self.start_data.location.1;
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let new_window_x = (self.initial_window_location.0 as f64 + dx) as i32;
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let new_window_y = (self.initial_window_location.1 as f64 + dy) as i32;
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self.window_map
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.borrow_mut()
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.set_location(&self.toplevel, (new_window_x, new_window_y));
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}
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fn button(
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&mut self,
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handle: &mut PointerInnerHandle<'_>,
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button: u32,
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state: ButtonState,
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serial: Serial,
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time: u32,
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) {
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handle.button(button, state, serial, time);
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if handle.current_pressed().is_empty() {
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// No more buttons are pressed, release the grab.
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handle.unset_grab(serial, time);
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}
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}
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fn axis(&mut self, handle: &mut PointerInnerHandle<'_>, details: AxisFrame) {
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handle.axis(details)
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}
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fn start_data(&self) -> &GrabStartData {
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&self.start_data
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}
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}
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bitflags::bitflags! {
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struct ResizeEdge: u32 {
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const NONE = 0;
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const TOP = 1;
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const BOTTOM = 2;
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const LEFT = 4;
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const TOP_LEFT = 5;
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const BOTTOM_LEFT = 6;
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const RIGHT = 8;
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const TOP_RIGHT = 9;
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const BOTTOM_RIGHT = 10;
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}
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}
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impl From<wl_shell_surface::Resize> for ResizeEdge {
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#[inline]
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fn from(x: wl_shell_surface::Resize) -> Self {
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Self::from_bits(x.bits()).unwrap()
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}
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}
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impl From<ResizeEdge> for wl_shell_surface::Resize {
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#[inline]
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fn from(x: ResizeEdge) -> Self {
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Self::from_bits(x.bits()).unwrap()
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}
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}
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impl From<xdg_toplevel::ResizeEdge> for ResizeEdge {
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#[inline]
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fn from(x: xdg_toplevel::ResizeEdge) -> Self {
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Self::from_bits(x.to_raw()).unwrap()
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}
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}
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impl From<ResizeEdge> for xdg_toplevel::ResizeEdge {
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#[inline]
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fn from(x: ResizeEdge) -> Self {
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Self::from_raw(x.bits()).unwrap()
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}
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}
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struct ResizeSurfaceGrab {
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start_data: GrabStartData,
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toplevel: SurfaceKind,
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edges: ResizeEdge,
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initial_window_size: (i32, i32),
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last_window_size: (i32, i32),
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}
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impl PointerGrab for ResizeSurfaceGrab {
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fn motion(
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&mut self,
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handle: &mut PointerInnerHandle<'_>,
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location: (f64, f64),
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_focus: Option<(wl_surface::WlSurface, (f64, f64))>,
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serial: Serial,
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time: u32,
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) {
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// It is impossible to get `min_size` and `max_size` of dead toplevel, so we return early.
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if !self.toplevel.alive() | self.toplevel.get_surface().is_none() {
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handle.unset_grab(serial, time);
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return;
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}
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let mut dx = location.0 - self.start_data.location.0;
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let mut dy = location.1 - self.start_data.location.1;
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let mut new_window_width = self.initial_window_size.0;
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let mut new_window_height = self.initial_window_size.1;
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let left_right = ResizeEdge::LEFT | ResizeEdge::RIGHT;
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let top_bottom = ResizeEdge::TOP | ResizeEdge::BOTTOM;
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if self.edges.intersects(left_right) {
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if self.edges.intersects(ResizeEdge::LEFT) {
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dx = -dx;
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}
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new_window_width = (self.initial_window_size.0 as f64 + dx) as i32;
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}
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if self.edges.intersects(top_bottom) {
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if self.edges.intersects(ResizeEdge::TOP) {
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dy = -dy;
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}
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new_window_height = (self.initial_window_size.1 as f64 + dy) as i32;
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}
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let (min_size, max_size) = with_states(self.toplevel.get_surface().unwrap(), |states| {
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let data = states.cached_state.current::<SurfaceCachedState>();
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(data.min_size, data.max_size)
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})
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.unwrap();
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let min_width = min_size.0.max(1);
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let min_height = min_size.1.max(1);
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let max_width = if max_size.0 == 0 {
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i32::max_value()
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} else {
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max_size.0
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};
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let max_height = if max_size.1 == 0 {
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i32::max_value()
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} else {
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max_size.1
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};
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new_window_width = new_window_width.max(min_width).min(max_width);
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new_window_height = new_window_height.max(min_height).min(max_height);
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self.last_window_size = (new_window_width, new_window_height);
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match &self.toplevel {
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SurfaceKind::Xdg(xdg) => {
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let ret = xdg.with_pending_state(|state| {
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state.states.set(xdg_toplevel::State::Resizing);
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state.size = Some(self.last_window_size);
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});
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if ret.is_ok() {
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xdg.send_configure();
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}
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}
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SurfaceKind::Wl(wl) => wl.send_configure(
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(self.last_window_size.0 as u32, self.last_window_size.1 as u32),
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self.edges.into(),
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),
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#[cfg(feature = "xwayland")]
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SurfaceKind::X11(_) => {
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// TODO: What to do here? Send the update via X11?
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}
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}
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}
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fn button(
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&mut self,
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handle: &mut PointerInnerHandle<'_>,
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button: u32,
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state: ButtonState,
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serial: Serial,
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time: u32,
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) {
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handle.button(button, state, serial, time);
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if handle.current_pressed().is_empty() {
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// No more buttons are pressed, release the grab.
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handle.unset_grab(serial, time);
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// If toplevel is dead, we can't resize it, so we return early.
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if !self.toplevel.alive() | self.toplevel.get_surface().is_none() {
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return;
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}
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if let SurfaceKind::Xdg(xdg) = &self.toplevel {
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let ret = xdg.with_pending_state(|state| {
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state.states.unset(xdg_toplevel::State::Resizing);
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state.size = Some(self.last_window_size);
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});
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if ret.is_ok() {
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xdg.send_configure();
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}
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with_states(self.toplevel.get_surface().unwrap(), |states| {
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let mut data = states
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.data_map
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.get::<RefCell<SurfaceData>>()
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.unwrap()
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.borrow_mut();
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if let ResizeState::Resizing(resize_data) = data.resize_state {
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data.resize_state = ResizeState::WaitingForFinalAck(resize_data, serial);
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} else {
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panic!("invalid resize state: {:?}", data.resize_state);
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}
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})
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.unwrap();
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} else {
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with_states(self.toplevel.get_surface().unwrap(), |states| {
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let mut data = states
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.data_map
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.get::<RefCell<SurfaceData>>()
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.unwrap()
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.borrow_mut();
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if let ResizeState::Resizing(resize_data) = data.resize_state {
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data.resize_state = ResizeState::WaitingForCommit(resize_data);
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} else {
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panic!("invalid resize state: {:?}", data.resize_state);
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}
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})
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.unwrap();
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}
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}
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}
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fn axis(&mut self, handle: &mut PointerInnerHandle<'_>, details: AxisFrame) {
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handle.axis(details)
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}
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fn start_data(&self) -> &GrabStartData {
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&self.start_data
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}
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}
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#[derive(Clone)]
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pub struct ShellHandles {
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pub xdg_state: Arc<Mutex<XdgShellState>>,
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pub wl_state: Arc<Mutex<WlShellState>>,
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pub window_map: Rc<RefCell<WindowMap>>,
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pub output_map: Rc<RefCell<OutputMap>>,
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}
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fn fullscreen_output_geometry(
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wl_surface: &wl_surface::WlSurface,
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wl_output: Option<&wl_output::WlOutput>,
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window_map: &WindowMap,
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output_map: &OutputMap,
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) -> Option<Rectangle> {
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// First test if a specific output has been requested
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// if the requested output is not found ignore the request
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if let Some(wl_output) = wl_output {
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return output_map.find(&wl_output, |_, geometry| geometry).ok();
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}
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// There is no output preference, try to find the output
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// where the window is currently active
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let window_location = window_map
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.find(wl_surface)
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.and_then(|kind| window_map.location(&kind));
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if let Some(location) = window_location {
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let window_output = output_map.find_by_position(location, |_, geometry| geometry).ok();
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if let Some(result) = window_output {
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return Some(result);
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}
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}
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// Fallback to primary output
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output_map.with_primary(|_, geometry| geometry).ok()
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}
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pub fn init_shell<BackendData: 'static>(display: Rc<RefCell<Display>>, log: ::slog::Logger) -> ShellHandles {
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// Create the compositor
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compositor_init(
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&mut *display.borrow_mut(),
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move |surface, mut ddata| {
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let anvil_state = ddata.get::<AnvilState<BackendData>>().unwrap();
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let window_map = anvil_state.window_map.as_ref();
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surface_commit(&surface, &*window_map)
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},
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log.clone(),
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);
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// Init a window map, to track the location of our windows
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let window_map = Rc::new(RefCell::new(WindowMap::new()));
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let output_map = Rc::new(RefCell::new(OutputMap::new(
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display.clone(),
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window_map.clone(),
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log.clone(),
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)));
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// init the xdg_shell
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let xdg_window_map = window_map.clone();
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let xdg_output_map = output_map.clone();
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let (xdg_shell_state, _, _) = xdg_shell_init(
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&mut *display.borrow_mut(),
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move |shell_event, _dispatch_data| match shell_event {
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XdgRequest::NewToplevel { surface } => {
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// place the window at a random location on the primary output
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// or if there is not output in a [0;800]x[0;800] square
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use rand::distributions::{Distribution, Uniform};
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let output_geometry = xdg_output_map
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.borrow()
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.with_primary(|_, geometry| geometry)
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.ok()
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.unwrap_or_else(|| Rectangle {
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width: 800,
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height: 800,
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..Default::default()
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});
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let max_x = output_geometry.x + (((output_geometry.width as f32) / 3.0) * 2.0) as i32;
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let max_y = output_geometry.y + (((output_geometry.height as f32) / 3.0) * 2.0) as i32;
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let x_range = Uniform::new(output_geometry.x, max_x);
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let y_range = Uniform::new(output_geometry.y, max_y);
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let mut rng = rand::thread_rng();
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let x = x_range.sample(&mut rng);
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let y = y_range.sample(&mut rng);
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// Do not send a configure here, the initial configure
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// of a xdg_surface has to be sent during the commit if
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// the surface is not already configured
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xdg_window_map
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.borrow_mut()
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.insert(SurfaceKind::Xdg(surface), (x, y));
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}
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XdgRequest::NewPopup { surface } => {
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// Do not send a configure here, the initial configure
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// of a xdg_surface has to be sent during the commit if
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// the surface is not already configured
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xdg_window_map.borrow_mut().insert_popup(PopupKind::Xdg(surface));
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}
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XdgRequest::Move {
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surface,
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seat,
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serial,
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} => {
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let seat = Seat::from_resource(&seat).unwrap();
|
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// TODO: touch move.
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let pointer = seat.get_pointer().unwrap();
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// Check that this surface has a click grab.
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if !pointer.has_grab(serial) {
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return;
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}
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let start_data = pointer.grab_start_data().unwrap();
|
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|
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// If the focus was for a different surface, ignore the request.
|
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if start_data.focus.is_none()
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|| !start_data
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.focus
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.as_ref()
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.unwrap()
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.0
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.as_ref()
|
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.same_client_as(surface.get_surface().unwrap().as_ref())
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{
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return;
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}
|
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|
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let toplevel = SurfaceKind::Xdg(surface);
|
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let initial_window_location = xdg_window_map.borrow().location(&toplevel).unwrap();
|
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|
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let grab = MoveSurfaceGrab {
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start_data,
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window_map: xdg_window_map.clone(),
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toplevel,
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initial_window_location,
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};
|
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|
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pointer.set_grab(grab, serial);
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}
|
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XdgRequest::Resize {
|
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surface,
|
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seat,
|
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serial,
|
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edges,
|
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} => {
|
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let seat = Seat::from_resource(&seat).unwrap();
|
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// TODO: touch resize.
|
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let pointer = seat.get_pointer().unwrap();
|
|
|
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// Check that this surface has a click grab.
|
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if !pointer.has_grab(serial) {
|
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return;
|
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}
|
|
|
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let start_data = pointer.grab_start_data().unwrap();
|
|
|
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// If the focus was for a different surface, ignore the request.
|
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if start_data.focus.is_none()
|
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|| !start_data
|
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.focus
|
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.as_ref()
|
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.unwrap()
|
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.0
|
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.as_ref()
|
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.same_client_as(surface.get_surface().unwrap().as_ref())
|
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{
|
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return;
|
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}
|
|
|
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let toplevel = SurfaceKind::Xdg(surface.clone());
|
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let initial_window_location = xdg_window_map.borrow().location(&toplevel).unwrap();
|
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let geometry = xdg_window_map.borrow().geometry(&toplevel).unwrap();
|
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let initial_window_size = (geometry.width, geometry.height);
|
|
|
|
with_states(surface.get_surface().unwrap(), move |states| {
|
|
states
|
|
.data_map
|
|
.get::<RefCell<SurfaceData>>()
|
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.unwrap()
|
|
.borrow_mut()
|
|
.resize_state = ResizeState::Resizing(ResizeData {
|
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edges: edges.into(),
|
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initial_window_location,
|
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initial_window_size,
|
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});
|
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})
|
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.unwrap();
|
|
|
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let grab = ResizeSurfaceGrab {
|
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start_data,
|
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toplevel,
|
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edges: edges.into(),
|
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initial_window_size,
|
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last_window_size: initial_window_size,
|
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};
|
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|
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pointer.set_grab(grab, serial);
|
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}
|
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XdgRequest::AckConfigure {
|
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surface,
|
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configure: Configure::Toplevel(configure),
|
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..
|
|
} => {
|
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let waiting_for_serial = with_states(&surface, |states| {
|
|
if let Some(data) = states.data_map.get::<RefCell<SurfaceData>>() {
|
|
if let ResizeState::WaitingForFinalAck(_, serial) = data.borrow().resize_state {
|
|
return Some(serial);
|
|
}
|
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}
|
|
|
|
None
|
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})
|
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.unwrap();
|
|
|
|
if let Some(serial) = waiting_for_serial {
|
|
// When the resize grab is released the surface
|
|
// resize state will be set to WaitingForFinalAck
|
|
// and the client will receive a configure request
|
|
// without the resize state to inform the client
|
|
// resizing has finished. Here we will wait for
|
|
// the client to acknowledge the end of the
|
|
// resizing. To check if the surface was resizing
|
|
// before sending the configure we need to use
|
|
// the current state as the received acknowledge
|
|
// will no longer have the resize state set
|
|
let is_resizing = with_states(&surface, |states| {
|
|
states
|
|
.data_map
|
|
.get::<Mutex<XdgToplevelSurfaceRoleAttributes>>()
|
|
.unwrap()
|
|
.lock()
|
|
.unwrap()
|
|
.current
|
|
.states
|
|
.contains(xdg_toplevel::State::Resizing)
|
|
})
|
|
.unwrap();
|
|
|
|
if configure.serial >= serial && is_resizing {
|
|
with_states(&surface, |states| {
|
|
let mut data = states
|
|
.data_map
|
|
.get::<RefCell<SurfaceData>>()
|
|
.unwrap()
|
|
.borrow_mut();
|
|
if let ResizeState::WaitingForFinalAck(resize_data, _) = data.resize_state {
|
|
data.resize_state = ResizeState::WaitingForCommit(resize_data);
|
|
} else {
|
|
unreachable!()
|
|
}
|
|
})
|
|
.unwrap();
|
|
}
|
|
}
|
|
}
|
|
XdgRequest::Fullscreen { surface, output, .. } => {
|
|
// NOTE: This is only one part of the solution. We can set the
|
|
// location and configure size here, but the surface should be rendered fullscreen
|
|
// independently from its buffer size
|
|
let wl_surface = if let Some(surface) = surface.get_surface() {
|
|
surface
|
|
} else {
|
|
// If there is no underlying surface just ignore the request
|
|
return;
|
|
};
|
|
|
|
let output_geometry = fullscreen_output_geometry(
|
|
wl_surface,
|
|
output.as_ref(),
|
|
&xdg_window_map.borrow(),
|
|
&xdg_output_map.borrow(),
|
|
);
|
|
|
|
if let Some(geometry) = output_geometry {
|
|
if let Some(surface) = surface.get_surface() {
|
|
let mut xdg_window_map = xdg_window_map.borrow_mut();
|
|
if let Some(kind) = xdg_window_map.find(surface) {
|
|
xdg_window_map.set_location(&kind, (geometry.x, geometry.y));
|
|
}
|
|
}
|
|
|
|
let ret = surface.with_pending_state(|state| {
|
|
state.states.set(xdg_toplevel::State::Fullscreen);
|
|
state.size = Some((geometry.width, geometry.height));
|
|
state.fullscreen_output = output;
|
|
});
|
|
if ret.is_ok() {
|
|
surface.send_configure();
|
|
}
|
|
}
|
|
}
|
|
XdgRequest::UnFullscreen { surface } => {
|
|
let ret = surface.with_pending_state(|state| {
|
|
state.states.unset(xdg_toplevel::State::Fullscreen);
|
|
state.size = None;
|
|
state.fullscreen_output = None;
|
|
});
|
|
if ret.is_ok() {
|
|
surface.send_configure();
|
|
}
|
|
}
|
|
XdgRequest::Maximize { surface } => {
|
|
// NOTE: This should use layer-shell when it is implemented to
|
|
// get the correct maximum size
|
|
let output_geometry = {
|
|
let xdg_window_map = xdg_window_map.borrow();
|
|
surface
|
|
.get_surface()
|
|
.and_then(|s| xdg_window_map.find(s))
|
|
.and_then(|k| xdg_window_map.location(&k))
|
|
.and_then(|position| {
|
|
xdg_output_map
|
|
.borrow()
|
|
.find_by_position(position, |_, geometry| geometry)
|
|
.ok()
|
|
})
|
|
};
|
|
|
|
if let Some(geometry) = output_geometry {
|
|
if let Some(surface) = surface.get_surface() {
|
|
let mut xdg_window_map = xdg_window_map.borrow_mut();
|
|
if let Some(kind) = xdg_window_map.find(surface) {
|
|
xdg_window_map.set_location(&kind, (geometry.x, geometry.y));
|
|
}
|
|
}
|
|
let ret = surface.with_pending_state(|state| {
|
|
state.states.set(xdg_toplevel::State::Maximized);
|
|
state.size = Some((geometry.width, geometry.height));
|
|
});
|
|
if ret.is_ok() {
|
|
surface.send_configure();
|
|
}
|
|
}
|
|
}
|
|
XdgRequest::UnMaximize { surface } => {
|
|
let ret = surface.with_pending_state(|state| {
|
|
state.states.unset(xdg_toplevel::State::Maximized);
|
|
state.size = None;
|
|
});
|
|
if ret.is_ok() {
|
|
surface.send_configure();
|
|
}
|
|
}
|
|
_ => (),
|
|
},
|
|
log.clone(),
|
|
);
|
|
|
|
// init the wl_shell
|
|
let shell_window_map = window_map.clone();
|
|
let shell_output_map = output_map.clone();
|
|
let (wl_shell_state, _) = wl_shell_init(
|
|
&mut *display.borrow_mut(),
|
|
move |req: ShellRequest, _dispatch_data| {
|
|
match req {
|
|
ShellRequest::SetKind {
|
|
surface,
|
|
kind: ShellSurfaceKind::Toplevel,
|
|
} => {
|
|
// place the window at a random location on the primary output
|
|
// or if there is not output in a [0;800]x[0;800] square
|
|
use rand::distributions::{Distribution, Uniform};
|
|
|
|
let output_geometry = shell_output_map
|
|
.borrow()
|
|
.with_primary(|_, geometry| geometry)
|
|
.ok()
|
|
.unwrap_or_else(|| Rectangle {
|
|
width: 800,
|
|
height: 800,
|
|
..Default::default()
|
|
});
|
|
let max_x = output_geometry.x + (((output_geometry.width as f32) / 3.0) * 2.0) as i32;
|
|
let max_y = output_geometry.y + (((output_geometry.height as f32) / 3.0) * 2.0) as i32;
|
|
let x_range = Uniform::new(output_geometry.x, max_x);
|
|
let y_range = Uniform::new(output_geometry.y, max_y);
|
|
let mut rng = rand::thread_rng();
|
|
let x = x_range.sample(&mut rng);
|
|
let y = y_range.sample(&mut rng);
|
|
shell_window_map
|
|
.borrow_mut()
|
|
.insert(SurfaceKind::Wl(surface), (x, y));
|
|
}
|
|
ShellRequest::SetKind {
|
|
surface,
|
|
kind: ShellSurfaceKind::Fullscreen { output, .. },
|
|
} => {
|
|
// NOTE: This is only one part of the solution. We can set the
|
|
// location and configure size here, but the surface should be rendered fullscreen
|
|
// independently from its buffer size
|
|
let wl_surface = if let Some(surface) = surface.get_surface() {
|
|
surface
|
|
} else {
|
|
// If there is no underlying surface just ignore the request
|
|
return;
|
|
};
|
|
|
|
let output_geometry = fullscreen_output_geometry(
|
|
wl_surface,
|
|
output.as_ref(),
|
|
&shell_window_map.borrow(),
|
|
&shell_output_map.borrow(),
|
|
);
|
|
|
|
if let Some(geometry) = output_geometry {
|
|
shell_window_map
|
|
.borrow_mut()
|
|
.insert(SurfaceKind::Wl(surface), (geometry.x, geometry.y));
|
|
}
|
|
}
|
|
ShellRequest::Move {
|
|
surface,
|
|
seat,
|
|
serial,
|
|
} => {
|
|
let seat = Seat::from_resource(&seat).unwrap();
|
|
// TODO: touch move.
|
|
let pointer = seat.get_pointer().unwrap();
|
|
|
|
// Check that this surface has a click grab.
|
|
if !pointer.has_grab(serial) {
|
|
return;
|
|
}
|
|
|
|
let start_data = pointer.grab_start_data().unwrap();
|
|
|
|
// If the focus was for a different surface, ignore the request.
|
|
if start_data.focus.is_none()
|
|
|| !start_data
|
|
.focus
|
|
.as_ref()
|
|
.unwrap()
|
|
.0
|
|
.as_ref()
|
|
.same_client_as(surface.get_surface().unwrap().as_ref())
|
|
{
|
|
return;
|
|
}
|
|
|
|
let toplevel = SurfaceKind::Wl(surface);
|
|
let initial_window_location = shell_window_map.borrow().location(&toplevel).unwrap();
|
|
|
|
let grab = MoveSurfaceGrab {
|
|
start_data,
|
|
window_map: shell_window_map.clone(),
|
|
toplevel,
|
|
initial_window_location,
|
|
};
|
|
|
|
pointer.set_grab(grab, serial);
|
|
}
|
|
ShellRequest::Resize {
|
|
surface,
|
|
seat,
|
|
serial,
|
|
edges,
|
|
} => {
|
|
let seat = Seat::from_resource(&seat).unwrap();
|
|
// TODO: touch resize.
|
|
let pointer = seat.get_pointer().unwrap();
|
|
|
|
// Check that this surface has a click grab.
|
|
if !pointer.has_grab(serial) {
|
|
return;
|
|
}
|
|
|
|
let start_data = pointer.grab_start_data().unwrap();
|
|
|
|
// If the focus was for a different surface, ignore the request.
|
|
if start_data.focus.is_none()
|
|
|| !start_data
|
|
.focus
|
|
.as_ref()
|
|
.unwrap()
|
|
.0
|
|
.as_ref()
|
|
.same_client_as(surface.get_surface().unwrap().as_ref())
|
|
{
|
|
return;
|
|
}
|
|
|
|
let toplevel = SurfaceKind::Wl(surface.clone());
|
|
let initial_window_location = shell_window_map.borrow().location(&toplevel).unwrap();
|
|
let geometry = shell_window_map.borrow().geometry(&toplevel).unwrap();
|
|
let initial_window_size = (geometry.width, geometry.height);
|
|
|
|
with_states(surface.get_surface().unwrap(), move |states| {
|
|
states
|
|
.data_map
|
|
.get::<RefCell<SurfaceData>>()
|
|
.unwrap()
|
|
.borrow_mut()
|
|
.resize_state = ResizeState::Resizing(ResizeData {
|
|
edges: edges.into(),
|
|
initial_window_location,
|
|
initial_window_size,
|
|
});
|
|
})
|
|
.unwrap();
|
|
|
|
let grab = ResizeSurfaceGrab {
|
|
start_data,
|
|
toplevel,
|
|
edges: edges.into(),
|
|
initial_window_size,
|
|
last_window_size: initial_window_size,
|
|
};
|
|
|
|
pointer.set_grab(grab, serial);
|
|
}
|
|
_ => (),
|
|
}
|
|
},
|
|
log.clone(),
|
|
);
|
|
|
|
ShellHandles {
|
|
xdg_state: xdg_shell_state,
|
|
wl_state: wl_shell_state,
|
|
window_map,
|
|
output_map,
|
|
}
|
|
}
|
|
|
|
/// Information about the resize operation.
|
|
#[derive(Debug, Clone, Copy, Eq, PartialEq)]
|
|
pub struct ResizeData {
|
|
/// The edges the surface is being resized with.
|
|
edges: ResizeEdge,
|
|
/// The initial window location.
|
|
initial_window_location: (i32, i32),
|
|
/// The initial window size (geometry width and height).
|
|
initial_window_size: (i32, i32),
|
|
}
|
|
|
|
/// State of the resize operation.
|
|
#[derive(Debug, Clone, Copy, Eq, PartialEq)]
|
|
pub enum ResizeState {
|
|
/// The surface is not being resized.
|
|
NotResizing,
|
|
/// The surface is currently being resized.
|
|
Resizing(ResizeData),
|
|
/// The resize has finished, and the surface needs to ack the final configure.
|
|
WaitingForFinalAck(ResizeData, Serial),
|
|
/// The resize has finished, and the surface needs to commit its final state.
|
|
WaitingForCommit(ResizeData),
|
|
}
|
|
|
|
impl Default for ResizeState {
|
|
fn default() -> Self {
|
|
ResizeState::NotResizing
|
|
}
|
|
}
|
|
|
|
#[derive(Default)]
|
|
pub struct SurfaceData {
|
|
pub buffer: Option<wl_buffer::WlBuffer>,
|
|
pub texture: Option<Box<dyn std::any::Any + 'static>>,
|
|
pub geometry: Option<Rectangle>,
|
|
pub resize_state: ResizeState,
|
|
pub dimensions: Option<(i32, i32)>,
|
|
}
|
|
|
|
impl SurfaceData {
|
|
pub fn update_buffer(&mut self, attrs: &mut SurfaceAttributes) {
|
|
match attrs.buffer.take() {
|
|
Some(BufferAssignment::NewBuffer { buffer, .. }) => {
|
|
// new contents
|
|
self.dimensions = buffer_dimensions(&buffer);
|
|
if let Some(old_buffer) = std::mem::replace(&mut self.buffer, Some(buffer)) {
|
|
old_buffer.release();
|
|
}
|
|
self.texture = None;
|
|
}
|
|
Some(BufferAssignment::Removed) => {
|
|
// remove the contents
|
|
self.buffer = None;
|
|
self.dimensions = None;
|
|
self.texture = None;
|
|
}
|
|
None => {}
|
|
}
|
|
}
|
|
|
|
/// Returns the size of the surface.
|
|
pub fn size(&self) -> Option<(i32, i32)> {
|
|
self.dimensions
|
|
}
|
|
|
|
/// Checks if the surface's input region contains the point.
|
|
pub fn contains_point(&self, attrs: &SurfaceAttributes, point: (f64, f64)) -> bool {
|
|
let (w, h) = match self.size() {
|
|
None => return false, // If the surface has no size, it can't have an input region.
|
|
Some(wh) => wh,
|
|
};
|
|
|
|
let rect = Rectangle {
|
|
x: 0,
|
|
y: 0,
|
|
width: w,
|
|
height: h,
|
|
};
|
|
|
|
let point = (point.0 as i32, point.1 as i32);
|
|
|
|
// The input region is always within the surface itself, so if the surface itself doesn't contain the
|
|
// point we can return false.
|
|
if !rect.contains(point) {
|
|
return false;
|
|
}
|
|
|
|
// If there's no input region, we're done.
|
|
if attrs.input_region.is_none() {
|
|
return true;
|
|
}
|
|
|
|
attrs.input_region.as_ref().unwrap().contains(point)
|
|
}
|
|
|
|
/// Send the frame callback if it had been requested
|
|
pub fn send_frame(attrs: &mut SurfaceAttributes, time: u32) {
|
|
for callback in attrs.frame_callbacks.drain(..) {
|
|
callback.done(time);
|
|
}
|
|
}
|
|
}
|
|
|
|
fn surface_commit(surface: &wl_surface::WlSurface, window_map: &RefCell<WindowMap>) {
|
|
#[cfg(feature = "xwayland")]
|
|
super::xwayland::commit_hook(surface);
|
|
|
|
let mut window_map = window_map.borrow_mut();
|
|
|
|
if !is_sync_subsurface(surface) {
|
|
// Update the buffer of all child surfaces
|
|
with_surface_tree_upward(
|
|
surface,
|
|
(),
|
|
|_, _, _| TraversalAction::DoChildren(()),
|
|
|_, states, _| {
|
|
states
|
|
.data_map
|
|
.insert_if_missing(|| RefCell::new(SurfaceData::default()));
|
|
let mut data = states
|
|
.data_map
|
|
.get::<RefCell<SurfaceData>>()
|
|
.unwrap()
|
|
.borrow_mut();
|
|
data.update_buffer(&mut *states.cached_state.current::<SurfaceAttributes>());
|
|
},
|
|
|_, _, _| true,
|
|
);
|
|
}
|
|
|
|
if let Some(toplevel) = window_map.find(surface) {
|
|
// send the initial configure if relevant
|
|
if let SurfaceKind::Xdg(ref toplevel) = toplevel {
|
|
let initial_configure_sent = with_states(surface, |states| {
|
|
states
|
|
.data_map
|
|
.get::<Mutex<XdgToplevelSurfaceRoleAttributes>>()
|
|
.unwrap()
|
|
.lock()
|
|
.unwrap()
|
|
.initial_configure_sent
|
|
})
|
|
.unwrap();
|
|
if !initial_configure_sent {
|
|
toplevel.send_configure();
|
|
}
|
|
}
|
|
|
|
window_map.refresh_toplevel(&toplevel);
|
|
// Get the geometry outside since it uses the token, and so would block inside.
|
|
let Rectangle { width, height, .. } = window_map.geometry(&toplevel).unwrap();
|
|
|
|
let new_location = with_states(surface, |states| {
|
|
let mut data = states
|
|
.data_map
|
|
.get::<RefCell<SurfaceData>>()
|
|
.unwrap()
|
|
.borrow_mut();
|
|
|
|
let mut new_location = None;
|
|
|
|
// If the window is being resized by top or left, its location must be adjusted
|
|
// accordingly.
|
|
match data.resize_state {
|
|
ResizeState::Resizing(resize_data)
|
|
| ResizeState::WaitingForFinalAck(resize_data, _)
|
|
| ResizeState::WaitingForCommit(resize_data) => {
|
|
let ResizeData {
|
|
edges,
|
|
initial_window_location,
|
|
initial_window_size,
|
|
} = resize_data;
|
|
|
|
if edges.intersects(ResizeEdge::TOP_LEFT) {
|
|
let mut location = window_map.location(&toplevel).unwrap();
|
|
|
|
if edges.intersects(ResizeEdge::LEFT) {
|
|
location.0 = initial_window_location.0 + (initial_window_size.0 - width);
|
|
}
|
|
if edges.intersects(ResizeEdge::TOP) {
|
|
location.1 = initial_window_location.1 + (initial_window_size.1 - height);
|
|
}
|
|
|
|
new_location = Some(location);
|
|
}
|
|
}
|
|
ResizeState::NotResizing => (),
|
|
}
|
|
|
|
// Finish resizing.
|
|
if let ResizeState::WaitingForCommit(_) = data.resize_state {
|
|
data.resize_state = ResizeState::NotResizing;
|
|
}
|
|
|
|
new_location
|
|
})
|
|
.unwrap();
|
|
|
|
if let Some(location) = new_location {
|
|
window_map.set_location(&toplevel, location);
|
|
}
|
|
}
|
|
|
|
if let Some(popup) = window_map.find_popup(surface) {
|
|
let PopupKind::Xdg(ref popup) = popup;
|
|
let initial_configure_sent = with_states(surface, |states| {
|
|
states
|
|
.data_map
|
|
.get::<Mutex<XdgPopupSurfaceRoleAttributes>>()
|
|
.unwrap()
|
|
.lock()
|
|
.unwrap()
|
|
.initial_configure_sent
|
|
})
|
|
.unwrap();
|
|
if !initial_configure_sent {
|
|
// TODO: properly recompute the geometry with the whole of positioner state
|
|
popup.send_configure();
|
|
}
|
|
}
|
|
}
|