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const std = @import("std");
const c = @import("c.zig");
const Server = @import("server.zig").Server;
const ViewStack = @import("view_stack.zig").ViewStack;
pub const Arg = union {
int: i32,
uint: u32,
float: f64,
none: void,
};
pub const Command = fn (server: *Server, arg: Arg) void;
/// Exit the compositor, terminating the wayland session.
pub fn exitCompositor(server: *Server, arg: Arg) void {
c.wl_display_terminate(server.wl_display);
}
/// Shift focus to the next visible view, wrapping if needed.
pub fn focusNextView(server: *Server, arg: Arg) void {
server.root.focusNextView();
}
/// Shift focus to the previous visible view, wrapping if needed.
pub fn focusPrevView(server: *Server, arg: Arg) void {
server.root.focusPrevView();
}
/// Modify the number of master views
pub fn modifyMasterCount(server: *Server, arg: Arg) void {
const delta = arg.int;
server.root.master_count = @intCast(u32, std.math.max(
0,
@intCast(i32, server.root.master_count) + delta,
));
server.root.arrange();
}
/// Modify the percent of the width of the screen that the master views occupy.
pub fn modifyMasterFactor(server: *Server, arg: Arg) void {
const delta = arg.float;
const new_master_factor = std.math.min(
std.math.max(server.root.master_factor + delta, 0.05),
0.95,
);
if (new_master_factor != server.root.master_factor) {
server.root.master_factor = new_master_factor;
server.root.arrange();
}
}
/// Bump the focused view to the top of the stack.
/// TODO: if the top of the stack is focused, bump the next visible view.
pub fn zoom(server: *Server, arg: Arg) void {
if (server.root.focused_view) |current_focus| {
const node = @fieldParentPtr(ViewStack.Node, "view", current_focus);
if (node != server.root.views.first) {
server.root.views.remove(node);
server.root.views.push(node);
server.root.arrange();
}
}
}
/// Switch focus to the passed tags.
pub fn focusTags(server: *Server, arg: Arg) void {
const tags = arg.uint;
server.root.pending_focused_tags = tags;
server.root.arrange();
}
/// Toggle focus of the passsed tags.
pub fn toggleTags(server: *Server, arg: Arg) void {
const tags = arg.uint;
const new_focused_tags = server.root.current_focused_tags ^ tags;
if (new_focused_tags != 0) {
server.root.pending_focused_tags = new_focused_tags;
server.root.arrange();
}
}
/// Set the tags of the focused view.
pub fn setFocusedViewTags(server: *Server, arg: Arg) void {
const tags = arg.uint;
if (server.root.focused_view) |view| {
if (view.current_tags != tags) {
view.pending_tags = tags;
server.root.arrange();
}
}
}
/// Toggle the passed tags of the focused view
pub fn toggleFocusedViewTags(server: *Server, arg: Arg) void {
const tags = arg.uint;
if (server.root.focused_view) |view| {
const new_tags = view.current_tags ^ tags;
if (new_tags != 0) {
view.pending_tags = new_tags;
server.root.arrange();
}
}
}
/// Spawn a program.
/// TODO: make this take a program as a paramter and spawn that
pub fn spawn(server: *Server, arg: Arg) void {
const argv = [_][]const u8{ "/bin/sh", "-c", "alacritty" };
const child = std.ChildProcess.init(&argv, std.heap.c_allocator) catch unreachable;
std.ChildProcess.spawn(child) catch unreachable;
}
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