d74323bbbf
this implements a modified version of the logging interface proposed here: https://github.com/ziglang/zig/pull/5348
83 lines
2.8 KiB
Zig
83 lines
2.8 KiB
Zig
// This file is part of river, a dynamic tiling wayland compositor.
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//
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// Copyright 2020 Isaac Freund
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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 c = @import("c.zig");
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const log = @import("log.zig");
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const util = @import("util.zig");
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const Output = @import("Output.zig");
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const View = @import("View.zig");
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const ViewStack = @import("view_stack.zig").ViewStack;
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const implementation = c.struct_zriver_output_status_v1_interface{
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.destroy = destroy,
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};
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output: *Output,
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wl_resource: *c.wl_resource,
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pub fn init(self: *Self, output: *Output, wl_resource: *c.wl_resource) void {
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self.output = output;
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self.wl_resource = wl_resource;
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c.wl_resource_set_implementation(wl_resource, &implementation, self, handleResourceDestroy);
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// Send view/focused tags once on bind.
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self.sendViewTags();
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self.sendFocusedTags();
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}
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fn handleResourceDestroy(wl_resource: ?*c.wl_resource) callconv(.C) void {
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const self = util.voidCast(Self, @ptrCast(*c_void, c.wl_resource_get_user_data(wl_resource)));
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const node = @fieldParentPtr(std.SinglyLinkedList(Self).Node, "data", self);
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self.output.status_trackers.remove(node);
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}
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fn destroy(wl_client: ?*c.wl_client, wl_resource: ?*c.wl_resource) callconv(.C) void {
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c.wl_resource_destroy(wl_resource);
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}
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/// Send the current tags of each view on the output to the client.
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pub fn sendViewTags(self: Self) void {
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var view_tags = std.ArrayList(u32).init(util.allocator);
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defer view_tags.deinit();
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var it = ViewStack(View).iterator(self.output.views.first, std.math.maxInt(u32));
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while (it.next()) |node|
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view_tags.append(node.view.current_tags) catch {
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c.wl_resource_post_no_memory(self.wl_resource);
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log.crit(.river_status, "out of memory", .{});
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return;
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};
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var wl_array = c.wl_array{
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.size = view_tags.items.len,
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.alloc = view_tags.capacity,
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.data = view_tags.items.ptr,
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};
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c.zriver_output_status_v1_send_view_tags(self.wl_resource, &wl_array);
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}
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/// Send the currently focused tags of the output to the client.
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pub fn sendFocusedTags(self: Self) void {
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c.zriver_output_status_v1_send_focused_tags(self.wl_resource, self.output.current_focused_tags);
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}
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