mirror of
https://github.com/ghostty-org/ghostty.git
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Merge pull request #2021 from jcollie/background
gtk: allow running in the background
This commit is contained in:
Mitchell Hashimoto
10
src/App.zig
10
src/App.zig
@ -134,6 +134,11 @@ pub fn updateConfig(self: *App, config: *const Config) !void {
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/// The surface must be from the pool.
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pub fn addSurface(self: *App, rt_surface: *apprt.Surface) !void {
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try self.surfaces.append(self.alloc, rt_surface);
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// Since we have non-zero surfaces, we can cancel the quit timer.
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// It is up to the apprt if there is a quit timer at all and if it
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// should be canceled.
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if (@hasDecl(apprt.App, "cancelQuitTimer")) rt_surface.app.cancelQuitTimer();
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}
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/// Delete the surface from the known surface list. This will NOT call the
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@ -158,6 +163,11 @@ pub fn deleteSurface(self: *App, rt_surface: *apprt.Surface) void {
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i += 1;
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}
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// If we have no surfaces, we can start the quit timer. It is up to the
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// apprt to determine if this is necessary.
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if (@hasDecl(apprt.App, "startQuitTimer") and
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self.surfaces.items.len == 0) rt_surface.app.startQuitTimer();
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}
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/// The last focused surface. This is only valid while on the main thread
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@ -76,6 +76,13 @@ transient_cgroup_base: ?[]const u8 = null,
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/// CSS Provider for any styles based on ghostty configuration values
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css_provider: *c.GtkCssProvider,
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/// The timer used to quit the application after the last window is closed.
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quit_timer: union(enum) {
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off: void,
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active: c.guint,
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expired: void,
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} = .{ .off = {} },
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pub fn init(core_app: *CoreApp, opts: Options) !App {
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_ = opts;
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@ -253,9 +260,13 @@ pub fn init(core_app: *CoreApp, opts: Options) !App {
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break :x11_xkb try x11.Xkb.init(display);
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};
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// This just calls the "activate" signal but its part of the normal
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// startup routine so we just call it:
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// This just calls the `activate` signal but its part of the normal startup
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// routine so we just call it, but only if the config allows it (this allows
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// for launching Ghostty in the "background" without immediately opening
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// a window)
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//
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// https://gitlab.gnome.org/GNOME/glib/-/blob/bd2ccc2f69ecfd78ca3f34ab59e42e2b462bad65/gio/gapplication.c#L2302
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if (config.@"initial-window")
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c.g_application_activate(gapp);
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// Register for dbus events
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@ -479,9 +490,68 @@ pub fn run(self: *App) !void {
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while (self.running) {
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_ = c.g_main_context_iteration(self.ctx, 1);
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// Tick the terminal app
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// Tick the terminal app and see if we should quit.
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const should_quit = try self.core_app.tick(self);
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if (should_quit or self.core_app.surfaces.items.len == 0) self.quit();
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// Check if we must quit based on the current state.
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const must_quit = q: {
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// If we've been told by GTK that we should quit, do so regardless
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// of any other setting.
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if (should_quit) break :q true;
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// If we are configured to always stay running, don't quit.
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if (!self.config.@"quit-after-last-window-closed") break :q false;
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// If the quit timer has expired, quit.
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if (self.quit_timer == .expired) break :q true;
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// There's no quit timer running, or it hasn't expired, don't quit.
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break :q false;
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};
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if (must_quit) self.quit();
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}
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}
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// This timeout function is started when no surfaces are open. It can be
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// cancelled if a new surface is opened before the timer expires.
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pub fn gtkQuitTimerExpired(ud: ?*anyopaque) callconv(.C) c.gboolean {
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const self: *App = @ptrCast(@alignCast(ud));
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self.quit_timer = .{ .expired = {} };
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return c.FALSE;
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}
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/// This will get called when there are no more open surfaces.
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pub fn startQuitTimer(self: *App) void {
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// Cancel any previous timer.
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self.cancelQuitTimer();
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// This is a no-op unless we are configured to quit after last window is closed.
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if (!self.config.@"quit-after-last-window-closed") return;
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// If a delay is configured, set a timeout function to quit after the delay.
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if (self.config.@"quit-after-last-window-closed-delay") |v| {
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const ms: u64 = std.math.divTrunc(
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u64,
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v.duration,
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std.time.ns_per_ms,
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) catch std.math.maxInt(c.guint);
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const t = std.math.cast(c.guint, ms) orelse std.math.maxInt(c.guint);
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self.quit_timer = .{ .active = c.g_timeout_add(t, gtkQuitTimerExpired, self) };
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}
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}
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/// This will get called when a new surface gets opened.
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pub fn cancelQuitTimer(self: *App) void {
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switch (self.quit_timer) {
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.off => {},
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.expired => self.quit_timer = .{ .off = {} },
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.active => |source| {
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if (c.g_source_remove(source) == c.FALSE) {
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log.warn("unable to remove quit timer source={d}", .{source});
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}
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self.quit_timer = .{ .off = {} };
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},
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}
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}
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@ -599,9 +669,8 @@ fn gtkQuitConfirmation(
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self.quitNow();
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}
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/// This is called by the "activate" signal. This is sent on program
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/// startup and also when a secondary instance launches and requests
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/// a new window.
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/// This is called by the `activate` signal. This is sent on program startup and
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/// also when a secondary instance launches and requests a new window.
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fn gtkActivate(app: *c.GtkApplication, ud: ?*anyopaque) callconv(.C) void {
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_ = app;
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@ -897,11 +897,62 @@ keybind: Keybinds = .{},
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/// true. If set to false, surfaces will close without any confirmation.
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@"confirm-close-surface": bool = true,
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/// Whether or not to quit after the last window is closed. This defaults to
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/// false. Currently only supported on macOS. On Linux, the process always exits
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/// after the last window is closed.
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/// Whether or not to quit after the last surface is closed. This
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/// defaults to `false`.
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///
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/// On Linux, if this is `true`, Ghostty can delay quitting fully until a
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/// configurable amount of time has passed after the last window is closed.
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/// See the documentation of `quit-after-last-window-closed-delay`.
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@"quit-after-last-window-closed": bool = false,
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/// Controls how long Ghostty will stay running after the last open surface has
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/// been closed. This only has an effect if `quit-after-last-window-closed` is
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/// also set to `true`.
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///
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/// The minimum value for this configuration is `1s`. Any values lower than
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/// this will be clamped to `1s`.
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///
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/// The duration is specified as a series of numbers followed by time units.
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/// Whitespace is allowed between numbers and units. Each number and unit will
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/// be added together to form the total duration.
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///
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/// The allowed time units are as follows:
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///
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/// * `y` - 365 SI days, or 8760 hours, or 31536000 seconds. No adjustments
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/// are made for leap years or leap seconds.
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/// * `d` - one SI day, or 86400 seconds.
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/// * `h` - one hour, or 3600 seconds.
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/// * `m` - one minute, or 60 seconds.
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/// * `s` - one second.
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/// * `ms` - one millisecond, or 0.001 second.
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/// * `us` or `µs` - one microsecond, or 0.000001 second.
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/// * `ns` - one nanosecond, or 0.000000001 second.
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///
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/// Examples:
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/// * `1h30m`
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/// * `45s`
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///
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/// Units can be repeated and will be added together. This means that
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/// `1h1h` is equivalent to `2h`. This is confusing and should be avoided.
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/// A future update may disallow this.
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///
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/// The maximum value is `584y 49w 23h 34m 33s 709ms 551µs 615ns`. Any
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/// value larger than this will be clamped to the maximum value.
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///
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/// By default `quit-after-last-window-closed-delay` is unset and
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/// Ghostty will quit immediately after the last window is closed if
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/// `quit-after-last-window-closed` is `true`.
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///
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/// Only implemented on Linux.
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@"quit-after-last-window-closed-delay": ?Duration = null,
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/// This controls whether an initial window is created when Ghostty
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/// is run. Note that if `quit-after-last-window-closed` is `true` and
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/// `quit-after-last-window-closed-delay` is set, setting `initial-window` to
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/// `false` will mean that Ghostty will quit after the configured delay if no
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/// window is ever created. Only implemented on Linux.
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@"initial-window": bool = true,
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/// Whether to enable shell integration auto-injection or not. Shell integration
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/// greatly enhances the terminal experience by enabling a number of features:
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///
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@ -1126,15 +1177,16 @@ keybind: Keybinds = .{},
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/// must always be able to move themselves into an isolated cgroup.
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@"linux-cgroup-hard-fail": bool = false,
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/// If true, the Ghostty GTK application will run in single-instance mode:
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/// each new `ghostty` process launched will result in a new window if there
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/// is already a running process.
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/// If `true`, the Ghostty GTK application will run in single-instance mode:
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/// each new `ghostty` process launched will result in a new window if there is
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/// already a running process.
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///
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/// If false, each new ghostty process will launch a separate application.
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/// If `false`, each new ghostty process will launch a separate application.
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///
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/// The default value is `desktop` which will default to `true` if Ghostty
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/// detects it was launched from the `.desktop` file such as an app launcher.
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/// If Ghostty is launched from the command line, it will default to `false`.
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/// The default value is `detect` which will default to `true` if Ghostty
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/// detects that it was launched from the `.desktop` file such as an app
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/// launcher (like Gnome Shell) or by D-Bus activation. If Ghostty is launched
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/// from the command line, it will default to `false`.
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///
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/// Note that debug builds of Ghostty have a separate single-instance ID
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/// so you can test single instance without conflicting with release builds.
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@ -2211,6 +2263,18 @@ pub fn finalize(self: *Config) !void {
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// If URLs are disabled, cut off the first link. The first link is
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// always the URL matcher.
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if (!self.@"link-url") self.link.links.items = self.link.links.items[1..];
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// We warn when the quit-after-last-window-closed-delay is set to a very
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// short value because it can cause Ghostty to quit before the first
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// window is even shown.
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if (self.@"quit-after-last-window-closed-delay") |duration| {
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if (duration.duration < 5 * std.time.ns_per_s) {
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log.warn(
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"quit-after-last-window-closed-delay is set to a very short value ({}), which might cause problems",
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.{duration},
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);
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}
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}
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}
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/// Callback for src/cli/args.zig to allow us to handle special cases
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@ -3795,3 +3859,219 @@ pub const LinuxCgroup = enum {
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always,
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@"single-instance",
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};
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pub const Duration = struct {
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/// Duration in nanoseconds
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duration: u64 = 0,
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const units = [_]struct {
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name: []const u8,
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factor: u64,
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}{
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// The order is important as the first factor that matches will be the
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// default unit that is used for formatting.
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.{ .name = "y", .factor = 365 * std.time.ns_per_day },
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.{ .name = "w", .factor = std.time.ns_per_week },
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.{ .name = "d", .factor = std.time.ns_per_day },
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.{ .name = "h", .factor = std.time.ns_per_hour },
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.{ .name = "m", .factor = std.time.ns_per_min },
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.{ .name = "s", .factor = std.time.ns_per_s },
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.{ .name = "ms", .factor = std.time.ns_per_ms },
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.{ .name = "µs", .factor = std.time.ns_per_us },
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.{ .name = "us", .factor = std.time.ns_per_us },
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.{ .name = "ns", .factor = 1 },
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};
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pub fn clone(self: *const @This(), _: Allocator) !@This() {
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return .{ .duration = self.duration };
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}
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pub fn equal(self: @This(), other: @This()) bool {
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return self.duration == other.duration;
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}
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pub fn parseCLI(input: ?[]const u8) !Duration {
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var remaining = input orelse return error.ValueRequired;
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var value: ?u64 = null;
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while (remaining.len > 0) {
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// Skip over whitespace before the number
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while (remaining.len > 0 and std.ascii.isWhitespace(remaining[0])) {
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remaining = remaining[1..];
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}
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// There was whitespace at the end, that's OK
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if (remaining.len == 0) break;
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|
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// Find the longest number
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const number = number: {
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var prev_number: ?u64 = null;
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var prev_remaining: ?[]const u8 = null;
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for (1..remaining.len + 1) |index| {
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prev_number = std.fmt.parseUnsigned(u64, remaining[0..index], 10) catch {
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if (prev_remaining) |prev| remaining = prev;
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break :number prev_number;
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};
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prev_remaining = remaining[index..];
|
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}
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if (prev_remaining) |prev| remaining = prev;
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break :number prev_number;
|
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} orelse return error.InvalidValue;
|
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|
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// A number without a unit is invalid
|
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if (remaining.len == 0) return error.InvalidValue;
|
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|
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// Find the longest matching unit. Needs to be the longest matching
|
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// to distinguish 'm' from 'ms'.
|
||||
const factor = factor: {
|
||||
var prev_factor: ?u64 = null;
|
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var prev_index: ?usize = null;
|
||||
for (1..remaining.len + 1) |index| {
|
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const next_factor = next: {
|
||||
for (units) |unit| {
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if (std.mem.eql(u8, unit.name, remaining[0..index])) {
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break :next unit.factor;
|
||||
}
|
||||
}
|
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break :next null;
|
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};
|
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if (next_factor) |next| {
|
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prev_factor = next;
|
||||
prev_index = index;
|
||||
}
|
||||
}
|
||||
if (prev_index) |index| {
|
||||
remaining = remaining[index..];
|
||||
}
|
||||
break :factor prev_factor;
|
||||
} orelse return error.InvalidValue;
|
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|
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// Add our time value to the total. Avoid overflow with saturating math.
|
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const diff = std.math.mul(u64, number, factor) catch std.math.maxInt(u64);
|
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value = (value orelse 0) +| diff;
|
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}
|
||||
|
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return if (value) |v| .{ .duration = v } else error.ValueRequired;
|
||||
}
|
||||
|
||||
pub fn formatEntry(self: @This(), formatter: anytype) !void {
|
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var buf: [64]u8 = undefined;
|
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var fbs = std.io.fixedBufferStream(&buf);
|
||||
const writer = fbs.writer();
|
||||
try self.format("", .{}, writer);
|
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try formatter.formatEntry([]const u8, fbs.getWritten());
|
||||
}
|
||||
|
||||
pub fn format(self: @This(), comptime _: []const u8, _: std.fmt.FormatOptions, writer: anytype) !void {
|
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var value = self.duration;
|
||||
var i: usize = 0;
|
||||
for (units) |unit| {
|
||||
if (value >= unit.factor) {
|
||||
if (i > 0) writer.writeAll(" ") catch unreachable;
|
||||
const remainder = value % unit.factor;
|
||||
const quotient = (value - remainder) / unit.factor;
|
||||
writer.print("{d}{s}", .{ quotient, unit.name }) catch unreachable;
|
||||
value = remainder;
|
||||
i += 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
test "parse duration" {
|
||||
inline for (Duration.units) |unit| {
|
||||
var buf: [16]u8 = undefined;
|
||||
const t = try std.fmt.bufPrint(&buf, "0{s}", .{unit.name});
|
||||
const d = try Duration.parseCLI(t);
|
||||
try std.testing.expectEqual(@as(u64, 0), d.duration);
|
||||
}
|
||||
|
||||
inline for (Duration.units) |unit| {
|
||||
var buf: [16]u8 = undefined;
|
||||
const t = try std.fmt.bufPrint(&buf, "1{s}", .{unit.name});
|
||||
const d = try Duration.parseCLI(t);
|
||||
try std.testing.expectEqual(unit.factor, d.duration);
|
||||
}
|
||||
|
||||
{
|
||||
const d = try Duration.parseCLI("100ns");
|
||||
try std.testing.expectEqual(@as(u64, 100), d.duration);
|
||||
}
|
||||
|
||||
{
|
||||
const d = try Duration.parseCLI("1µs");
|
||||
try std.testing.expectEqual(@as(u64, 1000), d.duration);
|
||||
}
|
||||
|
||||
{
|
||||
const d = try Duration.parseCLI("1µs1ns");
|
||||
try std.testing.expectEqual(@as(u64, 1001), d.duration);
|
||||
}
|
||||
|
||||
{
|
||||
const d = try Duration.parseCLI("1µs 1ns");
|
||||
try std.testing.expectEqual(@as(u64, 1001), d.duration);
|
||||
}
|
||||
|
||||
{
|
||||
const d = try Duration.parseCLI(" 1µs1ns");
|
||||
try std.testing.expectEqual(@as(u64, 1001), d.duration);
|
||||
}
|
||||
|
||||
{
|
||||
const d = try Duration.parseCLI("1µs1ns ");
|
||||
try std.testing.expectEqual(@as(u64, 1001), d.duration);
|
||||
}
|
||||
|
||||
{
|
||||
const d = try Duration.parseCLI("30s");
|
||||
try std.testing.expectEqual(@as(u64, 30 * std.time.ns_per_s), d.duration);
|
||||
}
|
||||
|
||||
{
|
||||
const d = try Duration.parseCLI("584y 49w 23h 34m 33s 709ms 551µs 615ns");
|
||||
try std.testing.expectEqual(std.math.maxInt(u64), d.duration);
|
||||
}
|
||||
|
||||
// Overflow
|
||||
{
|
||||
const d = try Duration.parseCLI("600y");
|
||||
try std.testing.expectEqual(std.math.maxInt(u64), d.duration);
|
||||
}
|
||||
|
||||
// Repeated units
|
||||
{
|
||||
const d = try Duration.parseCLI("100ns100ns");
|
||||
try std.testing.expectEqual(@as(u64, 200), d.duration);
|
||||
}
|
||||
|
||||
try std.testing.expectError(error.ValueRequired, Duration.parseCLI(null));
|
||||
try std.testing.expectError(error.ValueRequired, Duration.parseCLI(""));
|
||||
try std.testing.expectError(error.InvalidValue, Duration.parseCLI("1"));
|
||||
try std.testing.expectError(error.InvalidValue, Duration.parseCLI("s"));
|
||||
try std.testing.expectError(error.InvalidValue, Duration.parseCLI("1x"));
|
||||
try std.testing.expectError(error.InvalidValue, Duration.parseCLI("1 "));
|
||||
}
|
||||
|
||||
test "test format" {
|
||||
inline for (Duration.units) |unit| {
|
||||
const d: Duration = .{ .duration = unit.factor };
|
||||
var actual_buf: [16]u8 = undefined;
|
||||
const actual = try std.fmt.bufPrint(&actual_buf, "{}", .{d});
|
||||
var expected_buf: [16]u8 = undefined;
|
||||
const expected = if (!std.mem.eql(u8, unit.name, "us"))
|
||||
try std.fmt.bufPrint(&expected_buf, "1{s}", .{unit.name})
|
||||
else
|
||||
"1µs";
|
||||
try std.testing.expectEqualSlices(u8, expected, actual);
|
||||
}
|
||||
}
|
||||
|
||||
test "test entryFormatter" {
|
||||
var buf = std.ArrayList(u8).init(std.testing.allocator);
|
||||
defer buf.deinit();
|
||||
|
||||
var p: Duration = .{ .duration = std.math.maxInt(u64) };
|
||||
try p.formatEntry(formatterpkg.entryFormatter("a", buf.writer()));
|
||||
try std.testing.expectEqualStrings("a = 584y 49w 23h 34m 33s 709ms 551µs 615ns\n", buf.items);
|
||||
}
|
||||
|
||||
@ -107,6 +107,11 @@ pub fn main() !MainReturn {
|
||||
var app_runtime = try apprt.App.init(app, .{});
|
||||
defer app_runtime.terminate();
|
||||
|
||||
// Since - by definition - there are no surfaces when first started, the
|
||||
// quit timer may need to be started. The start timer will get cancelled if/
|
||||
// when the first surface is created.
|
||||
if (@hasDecl(apprt.App, "startQuitTimer")) app_runtime.startQuitTimer();
|
||||
|
||||
// Run the GUI event loop
|
||||
try app_runtime.run();
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user