101 lines
4.0 KiB
Zig
101 lines
4.0 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 server = &@import("main.zig").server;
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const util = @import("util.zig");
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const Box = @import("Box.zig");
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/// The corresponding wlroots object
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xwayland_surface: *wlr.XwaylandSurface,
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// Listeners that are always active over the view's lifetime
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request_configure: wl.Listener(*wlr.XwaylandSurface.event.Configure) =
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wl.Listener(*wlr.XwaylandSurface.event.Configure).init(handleRequestConfigure),
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destroy: wl.Listener(*wlr.XwaylandSurface) = wl.Listener(*wlr.XwaylandSurface).init(handleDestroy),
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map: wl.Listener(*wlr.XwaylandSurface) = wl.Listener(*wlr.XwaylandSurface).init(handleMap),
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unmap: wl.Listener(*wlr.XwaylandSurface) = wl.Listener(*wlr.XwaylandSurface).init(handleUnmap),
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commit: wl.Listener(*wlr.Surface) = wl.Listener(*wlr.Surface).init(handleCommit),
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pub fn init(self: *Self, xwayland_surface: *wlr.XwaylandSurface) void {
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self.* = .{ .xwayland_surface = xwayland_surface };
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// Add listeners that are active over the the entire lifetime
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xwayland_surface.events.request_configure.add(&self.request_configure);
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xwayland_surface.events.destroy.add(&self.destroy);
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xwayland_surface.events.map.add(&self.map);
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xwayland_surface.events.unmap.add(&self.unmap);
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}
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fn handleRequestConfigure(
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_: *wl.Listener(*wlr.XwaylandSurface.event.Configure),
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event: *wlr.XwaylandSurface.event.Configure,
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) void {
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event.surface.configure(event.x, event.y, event.width, event.height);
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}
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/// Called when the xwayland surface is destroyed
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fn handleDestroy(listener: *wl.Listener(*wlr.XwaylandSurface), _: *wlr.XwaylandSurface) void {
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const self = @fieldParentPtr(Self, "destroy", listener);
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// Remove listeners that are active for the entire lifetime
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self.request_configure.link.remove();
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self.destroy.link.remove();
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self.map.link.remove();
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self.unmap.link.remove();
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// Deallocate the node
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const node = @fieldParentPtr(std.TailQueue(Self).Node, "data", self);
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util.gpa.destroy(node);
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}
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/// Called when the xwayland surface is mapped, or ready to display on-screen.
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fn handleMap(listener: *wl.Listener(*wlr.XwaylandSurface), xwayland_surface: *wlr.XwaylandSurface) void {
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const self = @fieldParentPtr(Self, "map", listener);
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// Add self to the list of unmanaged views in the root
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const node = @fieldParentPtr(std.TailQueue(Self).Node, "data", self);
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server.root.xwayland_unmanaged_views.prepend(node);
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xwayland_surface.surface.?.events.commit.add(&self.commit);
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// TODO: handle keyboard focus
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// if (wlr_xwayland_or_surface_wants_focus(self.xwayland_surface)) { ...
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}
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/// Called when the surface is unmapped and will no longer be displayed.
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fn handleUnmap(listener: *wl.Listener(*wlr.XwaylandSurface), _: *wlr.XwaylandSurface) void {
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const self = @fieldParentPtr(Self, "unmap", listener);
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// Remove self from the list of unmanged views in the root
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const node = @fieldParentPtr(std.TailQueue(Self).Node, "data", self);
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server.root.xwayland_unmanaged_views.remove(node);
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self.commit.link.remove();
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}
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fn handleCommit(_: *wl.Listener(*wlr.Surface), _: *wlr.Surface) void {
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var it = server.root.outputs.first;
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while (it) |node| : (it = node.next) node.data.damage.addWhole();
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}
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