From 64a3b72a1cca547eecc52ba33e832c7b1700b31b Mon Sep 17 00:00:00 2001 From: Isaac Freund Date: Sat, 18 Apr 2020 13:41:04 +0200 Subject: Split up commands into separate files --- src/command/focus_output.zig | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 src/command/focus_output.zig (limited to 'src/command/focus_output.zig') diff --git a/src/command/focus_output.zig b/src/command/focus_output.zig new file mode 100644 index 0000000..368bb96 --- /dev/null +++ b/src/command/focus_output.zig @@ -0,0 +1,27 @@ +const c = @import("../c.zig"); +const std = @import("std"); + +const Arg = @import("../command.zig").Arg; +const Output = @import("../output.zig").Output; +const Seat = @import("../seat.zig").Seat; + +/// Focus either the next or the previous output, depending on the bool passed. +/// Does nothing if there is only one output. +pub fn focusOutput(seat: *Seat, arg: Arg) void { + const direction = arg.direction; + const root = &seat.input_manager.server.root; + // If the noop output is focused, there are no other outputs to switch to + if (seat.focused_output == &root.noop_output) { + std.debug.assert(root.outputs.len == 0); + return; + } + + // Focus the next/prev output in the list if there is one, else wrap + const focused_node = @fieldParentPtr(std.TailQueue(Output).Node, "data", seat.focused_output); + seat.focused_output = switch (direction) { + .Next => if (focused_node.next) |node| &node.data else &root.outputs.first.?.data, + .Prev => if (focused_node.prev) |node| &node.data else &root.outputs.last.?.data, + }; + + seat.focus(null); +} -- cgit v1.2.3