20d804cdb5
This is a big step up over @cImport() for ergonomics and type safety. Nearly all void pointer casts have been eliminated!
47 lines
1.6 KiB
Zig
47 lines
1.6 KiB
Zig
// This file is part of river, a dynamic tiling wayland compositor.
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//
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// Copyright 2020 The River Developers
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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const Self = @This();
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const std = @import("std");
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const wlr = @import("wlroots");
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const wl = @import("wayland").server.wl;
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const util = @import("util.zig");
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const Seat = @import("Seat.zig");
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seat: *Seat,
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wlr_drag_icon: *wlr.Drag.Icon,
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destroy: wl.Listener(*wlr.Drag.Icon) = undefined,
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pub fn init(self: *Self, seat: *Seat, wlr_drag_icon: *wlr.Drag.Icon) void {
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self.* = .{ .seat = seat, .wlr_drag_icon = wlr_drag_icon };
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self.destroy.setNotify(handleDestroy);
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wlr_drag_icon.events.destroy.add(&self.destroy);
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}
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fn handleDestroy(listener: *wl.Listener(*wlr.Drag.Icon), wlr_drag_icon: *wlr.Drag.Icon) void {
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const self = @fieldParentPtr(Self, "destroy", listener);
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const root = &self.seat.input_manager.server.root;
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const node = @fieldParentPtr(std.SinglyLinkedList(Self).Node, "data", self);
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root.drag_icons.remove(node);
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util.gpa.destroy(node);
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}
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