code: switch to custom wlroots/libwayland bindings

This is a big step up over @cImport() for ergonomics and type safety.
Nearly all void pointer casts have been eliminated!
This commit is contained in:
Isaac Freund
2020-11-04 00:23:21 +01:00
parent 0c5e5a7b4a
commit 20d804cdb5
42 changed files with 1457 additions and 1874 deletions

View File

@ -18,8 +18,10 @@
const Self = @This();
const std = @import("std");
const wlr = @import("wlroots");
const wl = @import("wayland").server.wl;
const c = @import("c.zig");
const log = @import("log.zig");
const util = @import("util.zig");
const Box = @import("Box.zig");
@ -32,12 +34,12 @@ output: *Output,
parent_box: *const Box,
/// The corresponding wlroots object
wlr_xdg_popup: *c.wlr_xdg_popup,
wlr_xdg_popup: *wlr.XdgPopup,
listen_destroy: c.wl_listener = undefined,
listen_new_popup: c.wl_listener = undefined,
destroy: wl.Listener(*wlr.XdgSurface) = undefined,
new_popup: wl.Listener(*wlr.XdgPopup) = undefined,
pub fn init(self: *Self, output: *Output, parent_box: *const Box, wlr_xdg_popup: *c.wlr_xdg_popup) void {
pub fn init(self: *Self, output: *Output, parent_box: *const Box, wlr_xdg_popup: *wlr.XdgPopup) void {
self.* = .{
.output = output,
.parent_box = parent_box,
@ -45,36 +47,35 @@ pub fn init(self: *Self, output: *Output, parent_box: *const Box, wlr_xdg_popup:
};
// The output box relative to the parent of the popup
var box = c.wlr_output_layout_get_box(output.root.wlr_output_layout, output.wlr_output).*;
var box = output.root.output_layout.getBox(output.wlr_output).?.*;
box.x -= parent_box.x;
box.y -= parent_box.y;
c.wlr_xdg_popup_unconstrain_from_box(wlr_xdg_popup, &box);
wlr_xdg_popup.unconstrainFromBox(&box);
// Setup listeners
self.listen_destroy.notify = handleDestroy;
c.wl_signal_add(&wlr_xdg_popup.base.*.events.destroy, &self.listen_destroy);
self.destroy.setNotify(handleDestroy);
wlr_xdg_popup.base.events.destroy.add(&self.destroy);
self.listen_new_popup.notify = handleNewPopup;
c.wl_signal_add(&wlr_xdg_popup.base.*.events.new_popup, &self.listen_new_popup);
self.new_popup.setNotify(handleNewPopup);
wlr_xdg_popup.base.events.new_popup.add(&self.new_popup);
}
fn handleDestroy(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
const self = @fieldParentPtr(Self, "listen_destroy", listener.?);
fn handleDestroy(listener: *wl.Listener(*wlr.XdgSurface), wlr_xdg_surface: *wlr.XdgSurface) void {
const self = @fieldParentPtr(Self, "destroy", listener);
c.wl_list_remove(&self.listen_destroy.link);
c.wl_list_remove(&self.listen_new_popup.link);
self.destroy.link.remove();
self.new_popup.link.remove();
util.gpa.destroy(self);
}
/// Called when a new xdg popup is requested by the client
fn handleNewPopup(listener: ?*c.wl_listener, data: ?*c_void) callconv(.C) void {
const self = @fieldParentPtr(Self, "listen_new_popup", listener.?);
const wlr_xdg_popup = util.voidCast(c.wlr_xdg_popup, data.?);
fn handleNewPopup(listener: *wl.Listener(*wlr.XdgPopup), wlr_xdg_popup: *wlr.XdgPopup) void {
const self = @fieldParentPtr(Self, "new_popup", listener);
// This will free itself on destroy
var xdg_popup = util.gpa.create(Self) catch {
c.wl_resource_post_no_memory(wlr_xdg_popup.resource);
const xdg_popup = util.gpa.create(Self) catch {
wlr_xdg_popup.resource.postNoMemory();
log.crit(.server, "out of memory", .{});
return;
};
xdg_popup.init(self.output, self.parent_box, wlr_xdg_popup);