[gnome-builder] workbench: add plumbing for save confirmation dialog

[Christian Hergert <chergert src gnome org>]

commit fb5fee415d13093136c950baba332254ff038272
Author: Christian Hergert <christian hergert me>
Date:   Fri Dec 12 16:34:09 2014 -0800

    workbench: add plumbing for save confirmation dialog
    
    This doesn't actually perform the saves (which we need to do while
    blocking the main loop). That will come next once we plumb async
    saving and save-as.

 src/workbench/gb-workbench.c |   81 ++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 81 insertions(+), 0 deletions(-)
---
diff --git a/src/workbench/gb-workbench.c b/src/workbench/gb-workbench.c
index b9d969c..db12e37 100644
--- a/src/workbench/gb-workbench.c
+++ b/src/workbench/gb-workbench.c
@@ -24,7 +24,9 @@
 #include "gb-command-gaction-provider.h"
 #include "gb-command-manager.h"
 #include "gb-command-vim-provider.h"
+#include "gb-close-confirmation-dialog.h"
 #include "gb-credits-widget.h"
+#include "gb-document-manager.h"
 #include "gb-editor-workspace.h"
 #include "gb-log.h"
 #include "gb-widget.h"
@@ -430,6 +432,84 @@ gb_workbench_constructed (GObject *object)
   EXIT;
 }
 
+GbDocumentManager *
+gb_workbench_get_document_manager (GbWorkbench *workbench)
+{
+  g_return_val_if_fail (GB_IS_WORKBENCH (workbench), NULL);
+
+  /* TODO: Store document manager per project/workbench */
+
+  return gb_document_manager_get_default ();
+}
+
+static gboolean
+gb_workbench_delete_event (GtkWidget   *widget,
+                           GdkEventAny *event)
+{
+  GbWorkbench *workbench = (GbWorkbench *)widget;
+  GbDocumentManager *document_manager;
+  gboolean ret = FALSE;
+  GList *unsaved = NULL;
+
+  g_return_val_if_fail (GB_IS_WORKBENCH (workbench), FALSE);
+
+  document_manager = gb_workbench_get_document_manager (workbench);
+  unsaved = gb_document_manager_get_unsaved_documents (document_manager);
+
+  if (unsaved)
+    {
+      GtkWidget *dialog;
+      GList *iter;
+      gint response_id;
+
+      dialog = gb_close_confirmation_dialog_new (GTK_WINDOW (workbench), unsaved);
+      response_id = gtk_dialog_run (GTK_DIALOG (dialog));
+
+      gtk_widget_hide (dialog);
+      gtk_widget_destroy (dialog);
+
+      switch (response_id)
+        {
+        case GTK_RESPONSE_YES:
+          for (iter = unsaved; iter; iter = iter->next)
+            {
+              GbDocument *document = GB_DOCUMENT (iter->data);
+
+              if (gb_document_is_untitled (document))
+                {
+                  /* TODO: Save as */
+                }
+              else
+                {
+                  /* TODO: Save */
+                }
+            }
+          break;
+
+        case GTK_RESPONSE_NO:
+          break;
+
+        case GTK_RESPONSE_DELETE_EVENT:
+        case GTK_RESPONSE_CANCEL:
+          ret = TRUE;
+          break;
+
+        default:
+          g_assert_not_reached ();
+        }
+    }
+
+  g_list_free (unsaved);
+
+  if (!ret)
+    {
+      if (GTK_WIDGET_CLASS (gb_workbench_parent_class)->delete_event)
+        return GTK_WIDGET_CLASS (gb_workbench_parent_class)->delete_event (widget, event);
+    }
+
+  return ret;
+}
+
 static void
 gb_workbench_dispose (GObject *object)
 {
@@ -495,6 +575,7 @@ gb_workbench_class_init (GbWorkbenchClass *klass)
   object_class->set_property = gb_workbench_set_property;
 
   widget_class->realize = gb_workbench_realize;
+  widget_class->delete_event = gb_workbench_delete_event;
 
   klass->workspace_changed = gb_workbench_workspace_changed;