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river-layout: update to v2

Browse source 
This implements the changes to the river-layout protocol proposed
in the previous commit removing river-options.
This commit is contained in:
Isaac Freund 2021-04-26 21:03:28 +02:00
parent 871fc7c8de
commit e80b883a47
14 changed files with 275 additions and 61 deletions
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2
build.zig
View file

@ -65,7 +65,7 @@ pub fn build(b: *zbs.Builder) !void {
scanner.addSystemProtocol("unstable/pointer-constraints/pointer-constraints-unstable-v1.xml");
scanner.addProtocolPath("protocol/river-control-unstable-v1.xml");
scanner.addProtocolPath("protocol/river-status-unstable-v1.xml");
scanner.addProtocolPath("protocol/river-layout-v1.xml");
scanner.addProtocolPath("protocol/river-layout-v2.xml");
scanner.addProtocolPath("protocol/wlr-layer-shell-unstable-v1.xml");
scanner.addProtocolPath("protocol/wlr-output-power-management-unstable-v1.xml");

2
completions/bash/riverctl
View file

@ -19,6 +19,8 @@ function __riverctl_completion ()
zoom \
default-layout \
output-layout \
set-layout-value \
mod-layout-value \
set-focused-tags \
set-view-tags \
toggle-focused-tags \

4
completions/fish/riverctl.fish
View file

@ -1,6 +1,6 @@
function __fish_riverctl_complete_no_subcommand
for i in (commandline -opc)
if contains -- $i close csd-filter-add exit float-filter-add focus-output focus-view move resize snap send-to-output spawn swap toggle-float toggle-fullscreen zoom default-layout output-layout set-focused-tags set-view-tags toggle-focused-tags toggle-view-tags spawn-tagmask declare-mode enter-mode map map-pointer unmap unmap-pointer attach-mode background-color border-color-focused border-color-unfocused border-width focus-follows-cursor opacity set-repeat xcursor-theme
if contains -- $i close csd-filter-add exit float-filter-add focus-output focus-view move resize snap send-to-output spawn swap toggle-float toggle-fullscreen zoom default-layout output-layout set-layout-value mod-layout-value set-focused-tags set-view-tags toggle-focused-tags toggle-view-tags spawn-tagmask declare-mode enter-mode map map-pointer unmap unmap-pointer attach-mode background-color border-color-focused border-color-unfocused border-width focus-follows-cursor opacity set-repeat xcursor-theme
return 1
end
end
@ -25,6 +25,8 @@ complete -c riverctl -x -n '__fish_riverctl_complete_no_subcommand' -a toggle-fu
complete -c riverctl -x -n '__fish_riverctl_complete_no_subcommand' -a zoom -d 'Bump the focused view to the top of the layout stack'
complete -c riverctl -x -n '__fish_riverctl_complete_no_subcommand' -a default-layout -d 'Set the layout namespace to be used by all outputs by default.'
complete -c riverctl -x -n '__fish_riverctl_complete_no_subcommand' -a output-layout -d 'Set the layout namespace of currently focused output.'
complete -c riverctl -x -n '__fish_riverctl_complete_no_subcommand' -a set-layout-value -d 'Set the value with name _name_ of the layout on the focused output with matching namespace.'
complete -c riverctl -x -n '__fish_riverctl_complete_no_subcommand' -a mod-layout-value -d 'Modify the value with name _name_ of the layout on the focused output with matching namespace.'
# Tag managements
complete -c riverctl -x -n '__fish_riverctl_complete_no_subcommand' -a set-focused-tags -d 'Show views with tags corresponding to the set bits of tags'
complete -c riverctl -x -n '__fish_riverctl_complete_no_subcommand' -a set-view-tags -d 'Assign the currently focused view the tags corresponding to the set bits of tags'

2
completions/zsh/_riverctl
View file

@ -31,6 +31,8 @@ _riverctl() {
'zoom:Bump the focused view to the top of the layout stack'
'default-layout:Set the layout namespace to be used by all outputs by default.'
'output-layout:Set the layout namespace of currently focused output.'
'set-layout-value:Set the value with name _name_ of the layout on the focused output with matching namespace.'
'mod-layout-value:Modify the value with name _name_ of the layout on the focused output with matching namespace.'
# Tag management
'set-focused-tags:Show views with tags corresponding to the set bits of tags'
'set-view-tags:Assign the currently focused view the tags corresponding to the set bits of tags'

10
doc/riverctl.1.scd
View file

@ -79,6 +79,16 @@ over the Wayland protocol.
Set the layout namespace of currently focused output, overriding
the value set with *default-layout* if any.
*set-layout-value* _namespace_ _type_ _name_ _value_
Set the value with name _name_ of the layout on the focused output
with matching namespace. If there is no matching layout, this command
does nothing.
*mod-layout-value* _namespace_ _type_ _name_ _value_
Modify the value with name _name_ of the layout on the focused
output with matching namespace. If there is no matching layout,
this command does nothing.
## TAG MANAGEMENT
Tags are similar to workspaces but more flexible. You can assign views multiple

11
doc/rivertile.1.scd
View file

@ -13,6 +13,17 @@ rivertile - Tiled layout generator for river
*rivertile* is a layout client for river. It provides a simple tiled layout
split main/secondary stacks.
# VALUES
_main_location_ (string: top, bottom, left, or right)
The location of the main area in the layout.
_main_count_ (int)
The number of views in the main area of the layout.
_main_factor_ (fixed: [0.1, 0.9])
The ratio of main area to total layout area.
# AUTHORS
Maintained by Isaac Freund <ifreund@ifreund.xyz> who is assisted by open

97
protocol/river-layout-v1.xml → protocol/river-layout-v2.xml
View file

@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
<protocol name="river_layout_v1">
<protocol name="river_layout_v2">
<copyright>
Copyright 2020-2021 The River Developers
@ -19,7 +19,7 @@
<description summary="let clients propose view positions and dimensions">
This protocol specifies a way for clients to propose arbitrary positions and
dimensions for a set of views on a specific output of a compositor through
the river_layout_v1 object.
the river_layout_v2 object.
This set of views is logically structured as a simple list. Views
in this list cannot be individually addressed, instead the order of
@ -32,7 +32,7 @@
intentional limitation.
Note that the client may need to handle multiple layout demands per
river_layout_v1 object simultaneously.
river_layout_v2 object simultaneously.
Warning! The protocol described in this file is currently in the testing
phase. Backward compatible changes may be added together with the
@ -40,9 +40,9 @@
only be done by creating a new major version of the extension.
</description>
<interface name="river_layout_manager_v1" version="1">
<interface name="river_layout_manager_v2" version="1">
<description summary="manage river layout objects">
A global factory for river_layout_v1 objects.
A global factory for river_layout_v2 objects.
</description>
<request name="destroy" type="destructor">
@ -54,26 +54,26 @@
</request>
<request name="get_layout">
<description summary="create a river_layout_v1 object">
This creates a new river_layout_v1 object for the given wl_output.
<description summary="create a river_layout_v2 object">
This creates a new river_layout_v2 object for the given wl_output.
All layout related communication is done through this interface.
The namespace is used by the compositor to decide which river_layout_v1
The namespace is used by the compositor to decide which river_layout_v2
object will receive layout demands for the output.
The namespace is required to be be unique per-output. Furthermore,
two separate clients may not share a namespace on separate outputs. If
these conditions are not upheld, the the namespace_in_use event will
be sent directly after creation of the river_layout_v1 object.
be sent directly after creation of the river_layout_v2 object.
</description>
<arg name="id" type="new_id" interface="river_layout_v1"/>
<arg name="id" type="new_id" interface="river_layout_v2"/>
<arg name="output" type="object" interface="wl_output"/>
<arg name="namespace" type="string" summary="namespace of the layout object"/>
</request>
</interface>
<interface name="river_layout_v1" version="1">
<interface name="river_layout_v2" version="1">
<description summary="receive and respond to layout demands">
This interface allows clients to receive layout demands from the
compositor for a specific output and subsequently propose positions and
@ -88,8 +88,8 @@
</enum>
<request name="destroy" type="destructor">
<description summary="destroy the river_layout_v1 object">
This request indicates that the client will not use the river_layout_v1
<description summary="destroy the river_layout_v2 object">
This request indicates that the client will not use the river_layout_v2
object any more.
</description>
</request>
@ -98,7 +98,7 @@
<description summary="the requested namespace is already in use">
After this event is sent, all requests aside from the destroy event
will be ignored by the server. If the client wishes to try again with
a different namespace they must create a new river_layout_v1 object.
a different namespace they must create a new river_layout_v2 object.
</description>
</event>
@ -188,14 +188,69 @@
<arg name="serial" type="uint" summary="serial of layout demand"/>
</request>
<request name="parameters_changed">
<description summary="parameters of layout have changed">
The client may use this request to inform the compositor that one or
muliple of the parameters it uses to generate layouts have changed.
<event name="set_int_value">
<description summary="an int value has been set">
This event indicates that the value of this river_layout_v2 object
with the given name has been set to the given value.
If the client is responsible for the current view layout, the compositor
may decide to send a new layout demand to update the layout.
This event will be followed by a layout_demand if necessary (i.e. if
this layout object is currently being used by the compositor to
layout an output)
</description>
</request>
<arg name="name" type="string"/>
<arg name="value" type="int"/>
</event>
<event name="mod_int_value">
<description summary="an int value has been modified">
This event indicates that the value of this river_layout_v2 object
with the given name has been modifed by the given delta.
This event will be followed by a layout_demand if necessary (i.e. if
this layout object is currently being used by the compositor to
layout an output)
</description>
<arg name="name" type="string"/>
<arg name="delta" type="int"/>
</event>
<event name="set_fixed_value">
<description summary="a fixed value has been set">
This event indicates that the value of this river_layout_v2 object
with the given name has been set to the given value.
This event will be followed by a layout_demand if necessary (i.e. if
this layout object is currently being used by the compositor to
layout an output)
</description>
<arg name="name" type="string"/>
<arg name="value" type="fixed"/>
</event>
<event name="mod_fixed_value">
<description summary="a fixed value has been modified">
This event indicates that the value of this river_layout_v2 object
with the given name has been modifed by the given delta.
This event will be followed by a layout_demand if necessary (i.e. if
this layout object is currently being used by the compositor to
layout an output)
</description>
<arg name="name" type="string"/>
<arg name="delta" type="fixed"/>
</event>
<event name="set_string_value">
<description summary="a string value has been set">
This event indicates that the value of this river_layout_v2 object
with the given name has been set to the given value.
This event will be followed by a layout_demand if necessary (i.e. if
this layout object is currently being used by the compositor to
layout an output)
</description>
<arg name="name" type="string"/>
<arg name="value" type="string"/>
</event>
</interface>
</protocol>

14
river/Layout.zig
View file

@ -35,12 +35,12 @@ const LayoutDemand = @import("LayoutDemand.zig");
const log = std.log.scoped(.layout);
layout: *river.LayoutV1,
layout: *river.LayoutV2,
namespace: []const u8,
output: *Output,
pub fn create(client: *wl.Client, version: u32, id: u32, output: *Output, namespace: []const u8) !void {
const layout = try river.LayoutV1.create(client, version, id);
const layout = try river.LayoutV2.create(client, version, id);
if (namespaceInUse(namespace, output, client)) {
layout.sendNamespaceInUse();
@ -91,7 +91,7 @@ fn namespaceInUse(namespace: []const u8, output: *Output, client: *wl.Client) bo
/// This exists to handle layouts that have been rendered inert (due to the
/// namespace already being in use) until the client destroys them.
fn handleRequestInert(layout: *river.LayoutV1, request: river.LayoutV1.Request, _: ?*c_void) void {
fn handleRequestInert(layout: *river.LayoutV2, request: river.LayoutV2.Request, _: ?*c_void) void {
if (request == .destroy) layout.destroy();
}
@ -128,14 +128,10 @@ pub fn startLayoutDemand(self: *Self, views: u32) void {
self.output.root.trackLayoutDemands();
}
fn handleRequest(layout: *river.LayoutV1, request: river.LayoutV1.Request, self: *Self) void {
fn handleRequest(layout: *river.LayoutV2, request: river.LayoutV2.Request, self: *Self) void {
switch (request) {
.destroy => layout.destroy(),
// Parameters of the layout changed. We only care about this, if the
// layout is currently in use, in which case we rearrange the output.
.parameters_changed => if (self == self.output.pending.layout) self.output.arrangeViews(),
// We receive this event when the client wants to push a view dimension proposal
// to the layout demand matching the serial.
.push_view_dimensions => |req| {
@ -171,7 +167,7 @@ fn handleRequest(layout: *river.LayoutV1, request: river.LayoutV1.Request, self:
}
}
fn handleDestroy(layout: *river.LayoutV1, self: *Self) void {
fn handleDestroy(layout: *river.LayoutV2, self: *Self) void {
log.debug(
"destroying layout '{}' on output '{}'",
.{ self.namespace, self.output.wlr_output.name },

1
river/LayoutDemand.zig
View file

@ -21,7 +21,6 @@ const std = @import("std");
const wlr = @import("wlroots");
const wayland = @import("wayland");
const wl = wayland.server.wl;
const zriver = wayland.server.zriver;
const util = @import("util.zig");

6
river/LayoutManager.zig
View file

@ -37,7 +37,7 @@ server_destroy: wl.Listener(*wl.Server) = wl.Listener(*wl.Server).init(handleSer
pub fn init(self: *Self, server: *Server) !void {
self.* = .{
.global = try wl.Global.create(server.wl_server, river.LayoutManagerV1, 1, *Self, self, bind),
.global = try wl.Global.create(server.wl_server, river.LayoutManagerV2, 1, *Self, self, bind),
};
server.wl_server.addDestroyListener(&self.server_destroy);
@ -49,7 +49,7 @@ fn handleServerDestroy(listener: *wl.Listener(*wl.Server), wl_server: *wl.Server
}
fn bind(client: *wl.Client, self: *Self, version: u32, id: u32) callconv(.C) void {
const layout_manager = river.LayoutManagerV1.create(client, 1, id) catch {
const layout_manager = river.LayoutManagerV2.create(client, 1, id) catch {
client.postNoMemory();
log.crit("out of memory", .{});
return;
@ -57,7 +57,7 @@ fn bind(client: *wl.Client, self: *Self, version: u32, id: u32) callconv(.C) voi
layout_manager.setHandler(*Self, handleRequest, null, self);
}
fn handleRequest(layout_manager: *river.LayoutManagerV1, request: river.LayoutManagerV1.Request, self: *Self) void {
fn handleRequest(layout_manager: *river.LayoutManagerV2, request: river.LayoutManagerV2.Request, self: *Self) void {
switch (request) {
.destroy => layout_manager.destroy(),

3
river/Root.zig
View file

@ -75,7 +75,8 @@ drag_icons: std.SinglyLinkedList(DragIcon) = .{},
xwayland_unmanaged_views: if (build_options.xwayland)
std.TailQueue(XwaylandUnmanaged)
else
void = if (build_options.xwayland) .{},
void = if (build_options.xwayland)
.{},
/// Number of layout demands pending before the transaction may be started.
pending_layout_demands: u32 = 0,

4
river/command.zig
View file

@ -59,12 +59,14 @@ const str_to_impl_fn = [_]struct {
.{ .name = "focus-view", .impl = @import("command/focus_view.zig").focusView },
.{ .name = "map", .impl = @import("command/map.zig").map },
.{ .name = "map-pointer", .impl = @import("command/map.zig").mapPointer },
.{ .name = "mod-layout-value", .impl = @import("command/layout.zig").modLayoutValue },
.{ .name = "move", .impl = @import("command/move.zig").move },
.{ .name = "opacity", .impl = @import("command/opacity.zig").opacity },
.{ .name = "output-layout", .impl = @import("command/layout.zig").outputLayout },
.{ .name = "resize", .impl = @import("command/move.zig").resize },
.{ .name = "send-to-output", .impl = @import("command/send_to_output.zig").sendToOutput },
.{ .name = "set-focused-tags", .impl = @import("command/tags.zig").setFocusedTags },
.{ .name = "set-layout-value", .impl = @import("command/layout.zig").setLayoutValue },
.{ .name = "set-repeat", .impl = @import("command/set_repeat.zig").setRepeat },
.{ .name = "set-view-tags", .impl = @import("command/tags.zig").setViewTags },
.{ .name = "snap", .impl = @import("command/move.zig").snap },
@ -92,6 +94,7 @@ pub const Error = error{
InvalidDirection,
InvalidPhysicalDirection,
InvalidOrientation,
InvalidType,
InvalidRgba,
InvalidValue,
UnknownOption,
@ -135,6 +138,7 @@ pub fn errToMsg(err: Error) [:0]const u8 {
Error.InvalidDirection => "invalid direction. Must be 'next' or 'previous'",
Error.InvalidPhysicalDirection => "invalid direction. Must be 'up', 'down', 'left' or 'right'",
Error.InvalidOrientation => "invalid orientation. Must be 'horizontal', or 'vertical'",
Error.InvalidType => "invalid type",
Error.InvalidRgba => "invalid color format, must be #RRGGBB or #RRGGBBAA",
Error.InvalidValue => "invalid value",
Error.OutOfMemory => "out of memory",

97
river/command/layout.zig
View file

@ -16,6 +16,8 @@
// along with this program. If not, see <https://www.gnu.org/licenses/>.
const std = @import("std");
const mem = std.mem;
const wl = @import("wayland").server.wl;
const util = @import("../util.zig");
const Error = @import("../command.zig").Error;
@ -52,3 +54,98 @@ pub fn defaultLayout(
if (output.layout_namespace == null) output.handleLayoutNamespaceChange();
}
}
const SetType = enum {
int,
fixed,
string,
};
/// riverctl set-layout-value rivertile int main_count 42
/// riverctl set-layout-value rivertile fixed main_factor 42.0
/// riverctl set-layout-value rivertile string main_location top
pub fn setLayoutValue(
allocator: *std.mem.Allocator,
seat: *Seat,
args: []const []const u8,
out: *?[]const u8,
) Error!void {
if (args.len < 5) return Error.NotEnoughArguments;
if (args.len > 5) return Error.TooManyArguments;
const target_namespace = args[1];
const kind = std.meta.stringToEnum(SetType, args[2]) orelse return Error.InvalidType;
const output = seat.focused_output;
var it = output.layouts.first;
const layout = while (it) |node| : (it = node.next) {
const layout = &node.data;
if (mem.eql(u8, layout.namespace, target_namespace)) break layout;
} else return;
const null_terminated_name = try util.gpa.dupeZ(u8, args[3]);
defer util.gpa.free(null_terminated_name);
switch (kind) {
.int => {
const value = try std.fmt.parseInt(i32, args[4], 10);
layout.layout.sendSetIntValue(null_terminated_name, value);
},
.fixed => {
const value = try std.fmt.parseFloat(f64, args[4]);
layout.layout.sendSetFixedValue(null_terminated_name, wl.Fixed.fromDouble(value));
},
.string => {
const null_terminated_value = try util.gpa.dupeZ(u8, args[4]);
defer util.gpa.free(null_terminated_value);
layout.layout.sendSetStringValue(null_terminated_name, null_terminated_value);
},
}
output.arrangeViews();
}
const ModType = enum {
int,
fixed,
};
/// riverctl mode-layout-value rivertile int main_count 42
/// riverctl set-layout-value rivertile fixed main_factor 42.0
pub fn modLayoutValue(
allocator: *std.mem.Allocator,
seat: *Seat,
args: []const []const u8,
out: *?[]const u8,
) Error!void {
if (args.len < 5) return Error.NotEnoughArguments;
if (args.len > 5) return Error.TooManyArguments;
const target_namespace = args[1];
const kind = std.meta.stringToEnum(ModType, args[2]) orelse return Error.InvalidType;
const output = seat.focused_output;
var it = output.layouts.first;
const layout = while (it) |node| : (it = node.next) {
const layout = &node.data;
if (mem.eql(u8, layout.namespace, target_namespace)) break layout;
} else return;
const null_terminated_name = try util.gpa.dupeZ(u8, args[3]);
defer util.gpa.free(null_terminated_name);
switch (kind) {
.int => {
const value = try std.fmt.parseInt(i32, args[4], 10);
layout.layout.sendModIntValue(null_terminated_name, value);
},
.fixed => {
const value = try std.fmt.parseFloat(f64, args[4]);
layout.layout.sendModFixedValue(null_terminated_name, wl.Fixed.fromDouble(value));
},
}
output.arrangeViews();
}

83
rivertile/main.zig
View file

@ -38,6 +38,7 @@
const std = @import("std");
const mem = std.mem;
const math = std.math;
const assert = std.debug.assert;
const wayland = @import("wayland");
@ -51,9 +52,7 @@ const Location = enum {
left,
};
const default_main_location: Location = .left;
const default_main_count = 1;
const default_main_factor = 0.6;
// TODO: expose these as command line options
const default_view_padding = 6;
const default_outer_padding = 6;
@ -62,7 +61,7 @@ const gpa = std.heap.c_allocator;
const Context = struct {
initialized: bool = false,
layout_manager: ?*river.LayoutManagerV1 = null,
layout_manager: ?*river.LayoutManagerV2 = null,
outputs: std.TailQueue(Output) = .{},
fn addOutput(context: *Context, registry: *wl.Registry, name: u32) !void {
@ -79,7 +78,11 @@ const Output = struct {
wl_output: *wl.Output,
name: u32,
layout: *river.LayoutV1 = undefined,
main_location: Location = .left,
main_count: u32 = 1,
main_factor: f64 = 0.6,
layout: *river.LayoutV2 = undefined,
fn init(output: *Output, context: *Context, wl_output: *wl.Output, name: u32) !void {
output.* = .{ .wl_output = wl_output, .name = name };
@ -97,21 +100,53 @@ const Output = struct {
output.layout.destroy();
}
fn layoutListener(layout: *river.LayoutV1, event: river.LayoutV1.Event, output: *Output) void {
fn layoutListener(layout: *river.LayoutV2, event: river.LayoutV2.Event, output: *Output) void {
switch (event) {
.namespace_in_use => fatal("namespace 'rivertile' already in use.", .{}),
.set_int_value => |ev| {
if (mem.eql(u8, mem.span(ev.name), "main_count")) {
if (ev.value > 0) output.main_count = @intCast(u32, ev.value);
}
},
.mod_int_value => |ev| {
if (mem.eql(u8, mem.span(ev.name), "main_count")) {
const result = @as(i33, output.main_count) + ev.delta;
if (result > 0) output.main_count = @intCast(u32, result);
}
},
.set_fixed_value => |ev| {
if (mem.eql(u8, mem.span(ev.name), "main_factor")) {
output.main_factor = math.clamp(ev.value.toDouble(), 0.1, 0.9);
}
},
.mod_fixed_value => |ev| {
if (mem.eql(u8, mem.span(ev.name), "main_factor")) {
const new_value = ev.delta.toDouble() + output.main_factor;
output.main_factor = math.clamp(new_value, 0.1, 0.9);
}
},
.set_string_value => |ev| {
if (mem.eql(u8, mem.span(ev.name), "main_location")) {
if (std.meta.stringToEnum(Location, mem.span(ev.value))) |new_location| {
output.main_location = new_location;
}
}
},
.layout_demand => |ev| {
const secondary_count = if (ev.view_count > default_main_count)
ev.view_count - default_main_count
const secondary_count = if (ev.view_count > output.main_count)
ev.view_count - output.main_count
else
0;
const usable_width = switch (default_main_location) {
const usable_width = switch (output.main_location) {
.left, .right => ev.usable_width - 2 * default_outer_padding,
.top, .bottom => ev.usable_height - 2 * default_outer_padding,
};
const usable_height = switch (default_main_location) {
const usable_height = switch (output.main_location) {
.left, .right => ev.usable_height - 2 * default_outer_padding,
.top, .bottom => ev.usable_width - 2 * default_outer_padding,
};
@ -126,18 +161,18 @@ const Output = struct {
var secondary_height: u32 = undefined;
var secondary_height_rem: u32 = undefined;
if (default_main_count > 0 and secondary_count > 0) {
main_width = @floatToInt(u32, default_main_factor * @intToFloat(f64, usable_width));
main_height = usable_height / default_main_count;
main_height_rem = usable_height % default_main_count;
if (output.main_count > 0 and secondary_count > 0) {
main_width = @floatToInt(u32, output.main_factor * @intToFloat(f64, usable_width));
main_height = usable_height / output.main_count;
main_height_rem = usable_height % output.main_count;
secondary_width = usable_width - main_width;
secondary_height = usable_height / secondary_count;
secondary_height_rem = usable_height % secondary_count;
} else if (default_main_count > 0) {
} else if (output.main_count > 0) {
main_width = usable_width;
main_height = usable_height / default_main_count;
main_height_rem = usable_height % default_main_count;
main_height = usable_height / output.main_count;
main_height_rem = usable_height % output.main_count;
} else if (secondary_width > 0) {
main_width = 0;
secondary_width = usable_width;
@ -152,17 +187,17 @@ const Output = struct {
var width: u32 = undefined;
var height: u32 = undefined;
if (i < default_main_count) {
if (i < output.main_count) {
x = 0;
y = @intCast(i32, (i * main_height) + if (i > 0) main_height_rem else 0);
width = main_width;
height = main_height + if (i == 0) main_height_rem else 0;
} else {
x = @intCast(i32, main_width);
y = @intCast(i32, (i - default_main_count) * secondary_height +
if (i > default_main_count) secondary_height_rem else 0);
y = @intCast(i32, (i - output.main_count) * secondary_height +
if (i > output.main_count) secondary_height_rem else 0);
width = secondary_width;
height = secondary_height + if (i == default_main_count) secondary_height_rem else 0;
height = secondary_height + if (i == output.main_count) secondary_height_rem else 0;
}
x += @intCast(i32, default_view_padding);
@ -170,7 +205,7 @@ const Output = struct {
width -= 2 * default_view_padding;
height -= 2 * default_view_padding;
switch (default_main_location) {
switch (output.main_location) {
.left => layout.pushViewDimensions(
ev.serial,
x + @intCast(i32, default_outer_padding),
@ -242,8 +277,8 @@ pub fn main() !void {
fn registryListener(registry: *wl.Registry, event: wl.Registry.Event, context: *Context) void {
switch (event) {
.global => |global| {
if (std.cstr.cmp(global.interface, river.LayoutManagerV1.getInterface().name) == 0) {
context.layout_manager = registry.bind(global.name, river.LayoutManagerV1, 1) catch return;
if (std.cstr.cmp(global.interface, river.LayoutManagerV2.getInterface().name) == 0) {
context.layout_manager = registry.bind(global.name, river.LayoutManagerV2, 1) catch return;
} else if (std.cstr.cmp(global.interface, wl.Output.getInterface().name) == 0) {
context.addOutput(registry, global.name) catch |err| fatal("failed to bind output: {}", .{err});
}