[gnome-builder] editor: bring back the print operation

[Christian Hergert <chergert src gnome org>]

commit ad170a4d543f10a058d295eb35400adac382fbc8
Author: Christian Hergert <chergert redhat com>
Date:   Wed Jul 5 00:32:07 2017 -0700

    editor: bring back the print operation
    
    This brings back the print operation from our main branch and
    ensures it is wired up correctly from the stack menu.

 data/gtk/menus.ui                       |    1 +
 libide/editor/ide-editor-view-actions.c |   68 +++++++++++++++++++++++++++++++
 2 files changed, 69 insertions(+), 0 deletions(-)
---
diff --git a/data/gtk/menus.ui b/data/gtk/menus.ui
index 6c3db9b..37c815d 100644
--- a/data/gtk/menus.ui
+++ b/data/gtk/menus.ui
@@ -254,6 +254,7 @@
       </item>
       <item>
         <attribute name="label" translatable="yes">Print…</attribute>
+        <attribute name="action">editor-view.print</attribute>
       </item>
     </section>
     <section id="editor-document-preferences-section">
diff --git a/libide/editor/ide-editor-view-actions.c b/libide/editor/ide-editor-view-actions.c
index cd8e000..1d39843 100644
--- a/libide/editor/ide-editor-view-actions.c
+++ b/libide/editor/ide-editor-view-actions.c
@@ -24,10 +24,77 @@
 #include "buffers/ide-buffer.h"
 #include "buffers/ide-buffer-manager.h"
 #include "editor/ide-editor-private.h"
+#include "editor/ide-editor-print-operation.h"
 #include "util/ide-progress.h"
 #include "vcs/ide-vcs.h"
 
 static void
+handle_print_result (IdeEditorView           *self,
+                     GtkPrintOperation       *operation,
+                     GtkPrintOperationResult  result)
+{
+  if (result == GTK_PRINT_OPERATION_RESULT_ERROR)
+    {
+      g_autoptr(GError) error = NULL;
+
+      gtk_print_operation_get_error (operation, &error);
+
+      /* info bar */
+      g_warning ("%s", error->message);
+      // ide_layout_view_add_error (...);
+    }
+}
+
+static void
+print_done (GtkPrintOperation       *operation,
+            GtkPrintOperationResult  result,
+            gpointer                 user_data)
+{
+  IdeEditorView *self = user_data;
+
+  g_assert (GTK_IS_PRINT_OPERATION (operation));
+  g_assert (IDE_IS_EDITOR_VIEW (self));
+
+  handle_print_result (self, operation, result);
+
+  g_object_unref (operation);
+  g_object_unref (self);
+}
+
+static void
+ide_editor_view_actions_print (GSimpleAction *action,
+                               GVariant      *param,
+                               gpointer       user_data)
+{
+  g_autoptr(IdeEditorPrintOperation) operation = NULL;
+  IdeEditorView *self = user_data;
+  IdeSourceView *source_view;
+  GtkWidget *toplevel;
+  GtkPrintOperationResult result;
+
+  g_assert (IDE_IS_EDITOR_VIEW (self));
+
+  toplevel = gtk_widget_get_ancestor (GTK_WIDGET (self), GTK_TYPE_WINDOW);
+
+  source_view = ide_editor_view_get_view (self);
+  operation = ide_editor_print_operation_new (source_view);
+
+  /* keep a ref until "done" is emitted */
+  g_object_ref (operation);
+  g_signal_connect_after (g_object_ref (operation),
+                          "done",
+                          G_CALLBACK (print_done),
+                          g_object_ref (self));
+
+  result = gtk_print_operation_run (GTK_PRINT_OPERATION (operation),
+                                    GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
+                                    GTK_WINDOW (toplevel),
+                                    NULL);
+
+  handle_print_result (self, GTK_PRINT_OPERATION (operation), result);
+}
+
+static void
 ide_editor_view_actions_save_cb (GObject      *object,
                                  GAsyncResult *result,
                                  gpointer      user_data)
@@ -139,6 +206,7 @@ ide_editor_view_actions_save (GSimpleAction *action,
 
 static const GActionEntry editor_view_entries[] = {
   { "save", ide_editor_view_actions_save },
+  { "print", ide_editor_view_actions_print },
 };
 
 void