apprt/gtk-ng: close tab confirmation

src/apprt/gtk-ng/class/close_confirmation_dialog.zig

@@ -57,6 +57,17 @@ pub const CloseConfirmationDialog = extern struct {
                 void,
             );
         };
+
+        pub const cancel = struct {
+            pub const name = "cancel";
+            pub const connect = impl.connect;
+            const impl = gobject.ext.defineSignal(
+                name,
+                Self,
+                &.{},
+                void,
+            );
+        };
     };
 
     const Private = struct {
@@ -72,14 +83,15 @@ pub const CloseConfirmationDialog = extern struct {
 
     fn init(self: *Self, _: *Class) callconv(.C) void {
         gtk.Widget.initTemplate(self.as(gtk.Widget));
+    }
 
+    pub fn present(self: *Self, parent: ?*gtk.Widget) void {
         // Setup our title/body text.
         const priv = self.private();
         self.as(Dialog.Parent).setHeading(priv.target.title());
         self.as(Dialog.Parent).setBody(priv.target.body());
-    }
 
-    pub fn present(self: *Self, parent: ?*gtk.Widget) void {
+        // Show it
         self.as(Dialog).present(parent);
     }
 
@@ -91,13 +103,21 @@ pub const CloseConfirmationDialog = extern struct {
         self: *Self,
         response_id: [*:0]const u8,
     ) callconv(.C) void {
-        if (std.mem.orderZ(u8, response_id, "close") != .eq) return;
+        if (std.mem.orderZ(u8, response_id, "close") == .eq) {
             signals.@"close-request".impl.emit(
                 self,
                 null,
                 .{},
                 null,
             );
+        } else {
+            signals.cancel.impl.emit(
+                self,
+                null,
+                .{},
+                null,
+            );
+        }
     }
 
     fn dispose(self: *Self) callconv(.C) void {
@@ -141,6 +161,7 @@ pub const CloseConfirmationDialog = extern struct {
 
             // Signals
             signals.@"close-request".impl.register(.{});
+            signals.cancel.impl.register(.{});
 
             // Virtual methods
             gobject.Object.virtual_methods.dispose.implement(class, &dispose);
@@ -158,11 +179,13 @@ pub const CloseConfirmationDialog = extern struct {
 /// together into one struct that is the sole source of truth.
 pub const Target = enum(c_int) {
     app,
+    tab,
     window,
 
     pub fn title(self: Target) [*:0]const u8 {
         return switch (self) {
             .app => i18n._("Quit Ghostty?"),
+            .tab => i18n._("Close Tab?"),
             .window => i18n._("Close Window?"),
         };
     }
@@ -170,6 +193,7 @@ pub const Target = enum(c_int) {
     pub fn body(self: Target) [*:0]const u8 {
         return switch (self) {
             .app => i18n._("All terminal sessions will be terminated."),
+            .tab => i18n._("All terminal sessions in this tab will be terminated."),
             .window => i18n._("All terminal sessions in this window will be terminated."),
         };
     }

src/apprt/gtk-ng/class/tab.zig

@@ -172,6 +172,14 @@ pub const Tab = extern struct {
         return priv.surface;
     }
 
+    /// Returns true if this tab needs confirmation before quitting based
+    /// on the various Ghostty configurations.
+    pub fn getNeedsConfirmQuit(self: *Self) bool {
+        const surface = self.getActiveSurface();
+        const core_surface = surface.core() orelse return false;
+        return core_surface.needsConfirmQuit();
+    }
+
     //---------------------------------------------------------------
     // Virtual methods
 

src/apprt/gtk-ng/class/window.zig

@@ -591,6 +591,81 @@ pub const Window = extern struct {
         self.as(gtk.Window).destroy();
     }
 
+    fn closeConfirmationCloseTab(
+        _: *CloseConfirmationDialog,
+        page: *adw.TabPage,
+    ) callconv(.c) void {
+        const tab_view_widget = page
+            .getChild()
+            .as(gtk.Widget)
+            .getAncestor(gobject.ext.typeFor(adw.TabView)) orelse {
+            log.warn("close confirmation caled for non-existent page", .{});
+            return;
+        };
+        const tab_view = gobject.ext.cast(
+            adw.TabView,
+            tab_view_widget,
+        ).?;
+        tab_view.closePageFinish(page, @intFromBool(true));
+    }
+
+    fn closeConfirmationCancelTab(
+        _: *CloseConfirmationDialog,
+        page: *adw.TabPage,
+    ) callconv(.c) void {
+        const tab_view_widget = page
+            .getChild()
+            .as(gtk.Widget)
+            .getAncestor(gobject.ext.typeFor(adw.TabView)) orelse {
+            log.warn("close confirmation caled for non-existent page", .{});
+            return;
+        };
+        const tab_view = gobject.ext.cast(
+            adw.TabView,
+            tab_view_widget,
+        ).?;
+        tab_view.closePageFinish(page, @intFromBool(false));
+    }
+
+    fn tabViewClosePage(
+        _: *adw.TabView,
+        page: *adw.TabPage,
+        self: *Self,
+    ) callconv(.c) c_int {
+        const priv = self.private();
+        const child = page.getChild();
+        const tab = gobject.ext.cast(Tab, child) orelse
+            return @intFromBool(false);
+
+        // If the tab says it doesn't need confirmation then we go ahead
+        // and close immediately.
+        if (!tab.getNeedsConfirmQuit()) {
+            priv.tab_view.closePageFinish(page, @intFromBool(true));
+            return @intFromBool(true);
+        }
+
+        // Show a confirmation dialog
+        const dialog: *CloseConfirmationDialog = .new(.tab);
+        _ = CloseConfirmationDialog.signals.@"close-request".connect(
+            dialog,
+            *adw.TabPage,
+            closeConfirmationCloseTab,
+            page,
+            .{},
+        );
+        _ = CloseConfirmationDialog.signals.cancel.connect(
+            dialog,
+            *adw.TabPage,
+            closeConfirmationCancelTab,
+            page,
+            .{},
+        );
+
+        // Show it
+        dialog.present(child);
+        return @intFromBool(true);
+    }
+
     fn tabViewSelectedPage(
         _: *adw.TabView,
         _: *gobject.ParamSpec,
@@ -929,6 +1004,7 @@ pub const Window = extern struct {
 
             // Template Callbacks
             class.bindTemplateCallback("close_request", &windowCloseRequest);
+            class.bindTemplateCallback("close_page", &tabViewClosePage);
             class.bindTemplateCallback("selected_page", &tabViewSelectedPage);
             class.bindTemplateCallback("page_attached", &tabViewPageAttached);
             class.bindTemplateCallback("page_detached", &tabViewPageDetached);

src/apprt/gtk-ng/ui/1.5/window.blp

@@ -79,6 +79,7 @@ template $GhosttyWindow: Adw.ApplicationWindow {
         Adw.ToastOverlay toast_overlay {
           Adw.TabView tab_view {
             notify::selected-page => $selected_page();
+            close-page => $close_page();
             page-attached => $page_attached();
             page-detached => $page_detached();
           }