mirror of
https://github.com/ghostty-org/ghostty.git
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49 lines
1.7 KiB
Zig
49 lines
1.7 KiB
Zig
const std = @import("std");
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const builtin = @import("builtin");
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const build_config = @import("../build_config.zig");
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const c = @cImport({
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@cInclude("unistd.h");
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});
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/// Returns true if the program was launched from a desktop environment.
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///
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/// On macOS, this returns true if the program was launched from Finder.
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///
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/// On Linux GTK, this returns true if the program was launched using the
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/// desktop file. This also includes when `gtk-launch` is used because I
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/// can't find a way to distinguish the two scenarios.
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///
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/// For other platforms and app runtimes, this returns false.
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pub fn launchedFromDesktop() bool {
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if (comptime build_config.artifact != .exe) return false;
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return switch (builtin.os.tag) {
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// macOS apps launched from finder or `open` always have the init
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// process as their parent.
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.macos => c.getppid() == 1,
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// On Linux, GTK sets GIO_LAUNCHED_DESKTOP_FILE and
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// GIO_LAUNCHED_DESKTOP_FILE_PID. We only check the latter to see if
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// we match the PID and assume that if we do, we were launched from
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// the desktop file. Pid comparing catches the scenario where
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// another terminal was launched from a desktop file and then launches
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// Ghostty and Ghostty inherits the env.
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.linux => linux: {
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const gio_pid_str = std.os.getenv("GIO_LAUNCHED_DESKTOP_FILE_PID") orelse
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break :linux false;
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const pid = c.getpid();
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const gio_pid = std.fmt.parseInt(
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@TypeOf(pid),
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gio_pid_str,
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10,
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) catch break :linux false;
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break :linux gio_pid == pid;
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},
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else => @compileError("unsupported platform"),
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};
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}
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