command: split set-option into "toplevel" commands

`riverctl set-option view_padding 10` becomes `riverctl view-padding 10`

Having set-option doesn't really gain us anything and is more verbose as
well as being slightly inaccurate as the changes instantly apply.

doc/riverctl.1.scd

@@ -88,6 +88,18 @@ that tag 1 through 9 are visible.
 
 ## CONFIGURATION COMMANDS
 
+*background-color* _#RRGGBB_|_#RRGGBBAA_
+	Set the background color.
+
+*border-color-focused* _#RRGGBB_|_#RRGGBBAA_
+	Set the border color of focused views.
+
+*border-color-unfocused* _#RRGGBB_|_#RRGGBBAA_
+	Set the border color of unfocused views.
+
+*border-width* _pixels_
+	Set the border width to _pixels_.
+
 *declare-mode* _name_
 	Create a new mode called _name_ for use in mappings.
 
@@ -114,15 +126,11 @@ that tag 1 through 9 are visible.
 	A mapping without modifiers can be created by passing an empty string as
 	the modifiers argument.
 
-*set-option* _option_ _value_
-	Set _option_ to a specified _value_. List of valid options:
+*outer-padding* _pixels_
+	Set the padding around the edge of the screen to _pixels_.
 
-	- *background_color* _RGB/RGBA_hex_code_
-	- *border_width* _non-negative_integer_
-	- *border_color_focused* _RGB/RGBA_hex_code_
-	- *border_color_unfocused* _RGB/RGBA_hex_code_
-	- *outer_padding* _non-negative_integer_
-	- *view_padding* _non-negative_integer_
+*view-padding* _pixels_
+	Set the padding around the edge of each view to _pixels_.
 
 *xcursor-theme* _theme_name_ [_size_]
 	Set the xcursor theme to _theme_name_ and optionally set the

river/command.zig

@@ -20,6 +20,10 @@ const std = @import("std");
 const Seat = @import("Seat.zig");
 
 const impl = struct {
+    const backgroundColor = @import("command/config.zig").backgroundColor;
+    const borderColorFocused = @import("command/config.zig").borderColorFocused;
+    const borderColorUnfocused = @import("command/config.zig").borderColorUnfocused;
+    const borderWidth = @import("command/config.zig").borderWidth;
     const close = @import("command/close.zig").close;
     const declareMode = @import("command/declare_mode.zig").declareMode;
     const enterMode = @import("command/enter_mode.zig").enterMode;
@@ -30,15 +34,16 @@ const impl = struct {
     const map = @import("command/map.zig").map;
     const modMasterCount = @import("command/mod_master_count.zig").modMasterCount;
     const modMasterFactor = @import("command/mod_master_factor.zig").modMasterFactor;
+    const outerPadding = @import("command/config.zig").outerPadding;
     const sendToOutput = @import("command/send_to_output.zig").sendToOutput;
     const setFocusedTags = @import("command/tags.zig").setFocusedTags;
-    const setOption = @import("command/set_option.zig").setOption;
     const setViewTags = @import("command/tags.zig").setViewTags;
     const spawn = @import("command/spawn.zig").spawn;
     const toggleFloat = @import("command/toggle_float.zig").toggleFloat;
     const toggleFocusedTags = @import("command/tags.zig").toggleFocusedTags;
     const toggleFullscreen = @import("command/toggle_fullscreen.zig").toggleFullscreen;
     const toggleViewTags = @import("command/tags.zig").toggleViewTags;
+    const viewPadding = @import("command/config.zig").viewPadding;
     const xcursorTheme = @import("command/xcursor_theme.zig").xcursorTheme;
     const zoom = @import("command/zoom.zig").zoom;
 };
@@ -63,6 +68,10 @@ const str_to_impl_fn = [_]struct {
     name: []const u8,
     impl: fn (*std.mem.Allocator, *Seat, []const []const u8, *?[]const u8) Error!void,
 }{
+    .{ .name = "background-color",       .impl = impl.backgroundColor },
+    .{ .name = "border-color-focused",   .impl = impl.borderColorFocused },
+    .{ .name = "border-color-unfocused", .impl = impl.borderColorUnfocused },
+    .{ .name = "border-width",           .impl = impl.borderWidth },
     .{ .name = "close",                  .impl = impl.close },
     .{ .name = "declare-mode",           .impl = impl.declareMode },
     .{ .name = "enter-mode",             .impl = impl.enterMode },
@@ -73,15 +82,16 @@ const str_to_impl_fn = [_]struct {
     .{ .name = "map",                    .impl = impl.map },
     .{ .name = "mod-master-count",       .impl = impl.modMasterCount },
     .{ .name = "mod-master-factor",      .impl = impl.modMasterFactor },
+    .{ .name = "outer-padding",          .impl = impl.outerPadding },
     .{ .name = "send-to-output",         .impl = impl.sendToOutput },
     .{ .name = "set-focused-tags",       .impl = impl.setFocusedTags },
-    .{ .name = "set-option",          .impl = impl.setOption },
     .{ .name = "set-view-tags",          .impl = impl.setViewTags },
     .{ .name = "spawn",                  .impl = impl.spawn },
     .{ .name = "toggle-float",           .impl = impl.toggleFloat },
     .{ .name = "toggle-focused-tags",    .impl = impl.toggleFocusedTags },
     .{ .name = "toggle-fullscreen",      .impl = impl.toggleFullscreen },
     .{ .name = "toggle-view-tags",       .impl = impl.toggleViewTags },
+    .{ .name = "view-padding",           .impl = impl.viewPadding },
     .{ .name = "xcursor-theme",          .impl = impl.xcursorTheme },
     .{ .name = "zoom",                   .impl = impl.zoom },
 };

river/command/config.zig

@@ -0,0 +1,116 @@
+// This file is part of river, a dynamic tiling wayland compositor.
+//
+// Copyright 2020 Isaac Freund
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+const std = @import("std");
+
+const Error = @import("../command.zig").Error;
+const Seat = @import("../Seat.zig");
+
+pub fn borderWidth(
+    allocator: *std.mem.Allocator,
+    seat: *Seat,
+    args: []const []const u8,
+    out: *?[]const u8,
+) Error!void {
+    if (args.len < 2) return Error.NotEnoughArguments;
+    if (args.len > 2) return Error.TooManyArguments;
+
+    const server = seat.input_manager.server;
+    server.config.border_width = try std.fmt.parseInt(u32, args[1], 10);
+    server.root.arrange();
+}
+
+pub fn viewPadding(
+    allocator: *std.mem.Allocator,
+    seat: *Seat,
+    args: []const []const u8,
+    out: *?[]const u8,
+) Error!void {
+    if (args.len < 2) return Error.NotEnoughArguments;
+    if (args.len > 2) return Error.TooManyArguments;
+
+    const server = seat.input_manager.server;
+    server.config.view_padding = try std.fmt.parseInt(u32, args[1], 10);
+    server.root.arrange();
+}
+
+pub fn outerPadding(
+    allocator: *std.mem.Allocator,
+    seat: *Seat,
+    args: []const []const u8,
+    out: *?[]const u8,
+) Error!void {
+    if (args.len < 2) return Error.NotEnoughArguments;
+    if (args.len > 2) return Error.TooManyArguments;
+
+    const server = seat.input_manager.server;
+    server.config.outer_padding = try std.fmt.parseInt(u32, args[1], 10);
+    server.root.arrange();
+}
+
+pub fn backgroundColor(
+    allocator: *std.mem.Allocator,
+    seat: *Seat,
+    args: []const []const u8,
+    out: *?[]const u8,
+) Error!void {
+    if (args.len < 2) return Error.NotEnoughArguments;
+    if (args.len > 2) return Error.TooManyArguments;
+
+    seat.input_manager.server.config.background_color = try parseRgba(args[1]);
+}
+
+pub fn borderColorFocused(
+    allocator: *std.mem.Allocator,
+    seat: *Seat,
+    args: []const []const u8,
+    out: *?[]const u8,
+) Error!void {
+    if (args.len < 2) return Error.NotEnoughArguments;
+    if (args.len > 2) return Error.TooManyArguments;
+
+    seat.input_manager.server.config.border_color_focused = try parseRgba(args[1]);
+}
+
+pub fn borderColorUnfocused(
+    allocator: *std.mem.Allocator,
+    seat: *Seat,
+    args: []const []const u8,
+    out: *?[]const u8,
+) Error!void {
+    if (args.len < 2) return Error.NotEnoughArguments;
+    if (args.len > 2) return Error.TooManyArguments;
+
+    seat.input_manager.server.config.border_color_unfocused = try parseRgba(args[1]);
+}
+
+/// Parse a color in the format #RRGGBB or #RRGGBBAA
+fn parseRgba(string: []const u8) ![4]f32 {
+    if (string[0] != '#' or (string.len != 7 and string.len != 9)) return error.InvalidRgba;
+
+    const r = try std.fmt.parseInt(u8, string[1..3], 16);
+    const g = try std.fmt.parseInt(u8, string[3..5], 16);
+    const b = try std.fmt.parseInt(u8, string[5..7], 16);
+    const a = if (string.len == 9) try std.fmt.parseInt(u8, string[7..9], 16) else 255;
+
+    return [4]f32{
+        @intToFloat(f32, r) / 255.0,
+        @intToFloat(f32, g) / 255.0,
+        @intToFloat(f32, b) / 255.0,
+        @intToFloat(f32, a) / 255.0,
+    };
+}

river/command/set_option.zig

@@ -1,75 +0,0 @@
-// This file is part of river, a dynamic tiling wayland compositor.
-//
-// Copyright 2020 Rishabh Das
-// Copyright 2020 Isaac Freund
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <https://www.gnu.org/licenses/>.
-
-const std = @import("std");
-
-const Error = @import("../command.zig").Error;
-const Seat = @import("../Seat.zig");
-
-const Option = enum {
-    background_color,
-    border_width,
-    border_color_focused,
-    border_color_unfocused,
-    outer_padding,
-    view_padding,
-};
-
-/// Set option to a specified value.
-pub fn setOption(
-    allocator: *std.mem.Allocator,
-    seat: *Seat,
-    args: []const []const u8,
-    out: *?[]const u8,
-) Error!void {
-    if (args.len < 3) return Error.NotEnoughArguments;
-    if (args.len > 3) return Error.TooManyArguments;
-
-    const config = &seat.input_manager.server.config;
-    const option = std.meta.stringToEnum(Option, args[1]) orelse return Error.UnknownOption;
-
-    // Assign value to option.
-    switch (option) {
-        .background_color => config.background_color = try parseRgba(args[2]),
-        .border_width => config.border_width = try std.fmt.parseInt(u32, args[2], 10),
-        .border_color_focused => config.border_color_focused = try parseRgba(args[2]),
-        .border_color_unfocused => config.border_color_unfocused = try parseRgba(args[2]),
-        .outer_padding => config.outer_padding = try std.fmt.parseInt(u32, args[2], 10),
-        .view_padding => config.view_padding = try std.fmt.parseInt(u32, args[2], 10),
-    }
-
-    // 'Refresh' focused output to display the desired changes.
-    seat.focused_output.root.arrange();
-}
-
-/// Parse a color in the format #RRGGBB or #RRGGBBAA
-fn parseRgba(string: []const u8) ![4]f32 {
-    if (string[0] != '#' or (string.len != 7 and string.len != 9)) return error.InvalidRgba;
-
-    const r = try std.fmt.parseInt(u8, string[1..3], 16);
-    const g = try std.fmt.parseInt(u8, string[3..5], 16);
-    const b = try std.fmt.parseInt(u8, string[5..7], 16);
-    const a = if (string.len == 9) try std.fmt.parseInt(u8, string[7..9], 16) else 255;
-
-    return [4]f32{
-        @intToFloat(f32, r) / 255.0,
-        @intToFloat(f32, g) / 255.0,
-        @intToFloat(f32, b) / 255.0,
-        @intToFloat(f32, a) / 255.0,
-    };
-}