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Merge pull request #408 from mitchellh/mrn/gtk-single-instance-flag

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gtk: add gtk-single-instance setting to allow disabling of it
This commit is contained in:
Mitchell Hashimoto
2023-09-06 10:19:30 -07:00
committed by GitHub
parent 42a228938f cac5b00d94
commit a9750ad04a
3 changed files with 18 additions and 3 deletions
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4
README.md
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@ -328,7 +328,9 @@ than 5 MB on all platforms. The debug version is around 70MB.
use a [single-instance application](https://developer.gnome.org/documentation/tutorials/application.html).
If you're developing Ghostty from _inside_ a release build and build & launch a
new one that will not reflect the changes you made, but instead launch a new
window for the existing instance.**
window for the existing instance. You can disable this behaviour with the
`--gtk-single-instance=false` flag or by adding `gtk-single-instance = false` to
the configuration file.**
### Mac `.app`

8
src/apprt/gtk.zig
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@ -66,11 +66,15 @@ pub const App = struct {
// Our uniqueness ID is based on whether we're in a debug mode or not.
// In debug mode we want to be separate so we can develop Ghostty in
// Ghostty.
const uniqueness_id = "com.mitchellh.ghostty" ++ if (builtin.mode == .Debug) "-debug" else "";
const uniqueness_id: ?[*c]const u8 = uniqueness_id: {
if (!config.@"gtk-single-instance") break :uniqueness_id null;
break :uniqueness_id "com.mitchellh.ghostty" ++ if (builtin.mode == .Debug) "-debug" else "";
};
// Create our GTK Application which encapsulates our process.
const app = @as(?*c.GtkApplication, @ptrCast(c.gtk_application_new(
uniqueness_id,
uniqueness_id orelse null,
// GTK >= 2.74
if (@hasDecl(c, "G_APPLICATION_DEFAULT_FLAGS"))

9
src/config.zig
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@ -314,6 +314,15 @@ pub const Config = struct {
/// This does not work with GLFW builds.
@"macos-option-as-alt": OptionAsAlt = .false,
/// If true (default), then the Ghostty GTK application will run in
/// single-instance mode: each new `ghostty` process launched will result
/// in a new window, if there is already a running process.
///
/// If false, each new ghostty process will launch a separate application.
///
/// Debug builds of Ghostty have a separate single-instance ID.
@"gtk-single-instance": bool = true,
/// This is set by the CLI parser for deinit.
_arena: ?ArenaAllocator = null,