107 lines
3.4 KiB
Zig
107 lines
3.4 KiB
Zig
// This file is part of river, a dynamic tiling wayland compositor.
|
|
//
|
|
// Copyright 2023 The River Developers
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, version 3.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
const XdgPopup = @This();
|
|
|
|
const std = @import("std");
|
|
const wlr = @import("wlroots");
|
|
const wl = @import("wayland").server.wl;
|
|
|
|
const server = &@import("main.zig").server;
|
|
const util = @import("util.zig");
|
|
|
|
const Output = @import("Output.zig");
|
|
const SceneNodeData = @import("SceneNodeData.zig");
|
|
|
|
const log = std.log.scoped(.xdg_popup);
|
|
|
|
wlr_xdg_popup: *wlr.XdgPopup,
|
|
/// The root of the surface tree, i.e. the View or LayerSurface popup_tree.
|
|
root: *wlr.SceneTree,
|
|
|
|
tree: *wlr.SceneTree,
|
|
|
|
destroy: wl.Listener(void) = wl.Listener(void).init(handleDestroy),
|
|
new_popup: wl.Listener(*wlr.XdgPopup) = wl.Listener(*wlr.XdgPopup).init(handleNewPopup),
|
|
reposition: wl.Listener(void) = wl.Listener(void).init(handleReposition),
|
|
|
|
// TODO check if popup is set_reactive and reposition on parent movement.
|
|
pub fn create(
|
|
wlr_xdg_popup: *wlr.XdgPopup,
|
|
root: *wlr.SceneTree,
|
|
parent: *wlr.SceneTree,
|
|
) error{OutOfMemory}!void {
|
|
const xdg_popup = try util.gpa.create(XdgPopup);
|
|
errdefer util.gpa.destroy(xdg_popup);
|
|
|
|
xdg_popup.* = .{
|
|
.wlr_xdg_popup = wlr_xdg_popup,
|
|
.root = root,
|
|
.tree = try parent.createSceneXdgSurface(wlr_xdg_popup.base),
|
|
};
|
|
|
|
wlr_xdg_popup.base.events.destroy.add(&xdg_popup.destroy);
|
|
wlr_xdg_popup.base.events.new_popup.add(&xdg_popup.new_popup);
|
|
wlr_xdg_popup.events.reposition.add(&xdg_popup.reposition);
|
|
|
|
handleReposition(&xdg_popup.reposition);
|
|
}
|
|
|
|
fn handleDestroy(listener: *wl.Listener(void)) void {
|
|
const xdg_popup: *XdgPopup = @fieldParentPtr("destroy", listener);
|
|
|
|
xdg_popup.destroy.link.remove();
|
|
xdg_popup.new_popup.link.remove();
|
|
xdg_popup.reposition.link.remove();
|
|
|
|
util.gpa.destroy(xdg_popup);
|
|
}
|
|
|
|
fn handleNewPopup(listener: *wl.Listener(*wlr.XdgPopup), wlr_xdg_popup: *wlr.XdgPopup) void {
|
|
const xdg_popup: *XdgPopup = @fieldParentPtr("new_popup", listener);
|
|
|
|
XdgPopup.create(
|
|
wlr_xdg_popup,
|
|
xdg_popup.root,
|
|
xdg_popup.tree,
|
|
) catch {
|
|
wlr_xdg_popup.resource.postNoMemory();
|
|
return;
|
|
};
|
|
}
|
|
|
|
fn handleReposition(listener: *wl.Listener(void)) void {
|
|
const xdg_popup: *XdgPopup = @fieldParentPtr("reposition", listener);
|
|
|
|
const output = switch (SceneNodeData.fromNode(&xdg_popup.root.node).?.data) {
|
|
.view => |view| view.current.output orelse return,
|
|
.layer_surface => |layer_surface| layer_surface.output,
|
|
else => unreachable,
|
|
};
|
|
|
|
var box: wlr.Box = undefined;
|
|
server.root.output_layout.getBox(output.wlr_output, &box);
|
|
|
|
var root_lx: c_int = undefined;
|
|
var root_ly: c_int = undefined;
|
|
_ = xdg_popup.root.node.coords(&root_lx, &root_ly);
|
|
|
|
box.x -= root_lx;
|
|
box.y -= root_ly;
|
|
|
|
xdg_popup.wlr_xdg_popup.unconstrainFromBox(&box);
|
|
}
|