db416eb119
There is now a single iter() function which accepts a filter and context allowing users of the api to filter the views in any arbitrary way. This change allowed for a good amount of code cleanup, and this commit also ensures that the correct properties are checked in each case, including the new View.destroying field added in the previous commit. This fixes at least one crash involving switching focus to a destroying view.
84 lines
2.8 KiB
Zig
84 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.gpa);
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defer view_tags.deinit();
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var it = self.output.views.first;
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while (it) |node| : (it = node.next) {
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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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}
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var wl_array = c.wl_array{
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.size = view_tags.items.len * @sizeOf(u32),
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.alloc = view_tags.capacity * @sizeOf(u32),
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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.tags);
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}
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