[gnome-builder] GbEditorView: add ui to see load/save errors

[Christian Hergert <chergert src gnome org>]

commit 86e76a80b64b2f9e443f3cbc7e54b274e3fdeec8
Author: Christian Hergert <christian hergert me>
Date:   Fri Dec 12 02:04:16 2014 -0800

    GbEditorView: add ui to see load/save errors

 src/editor/gb-editor-view.c        |   43 +++++++++++++++++++++++
 src/resources/ui/gb-editor-view.ui |   67 +++++++++++++++++++++++++++++++++++-
 2 files changed, 109 insertions(+), 1 deletions(-)
---
diff --git a/src/editor/gb-editor-view.c b/src/editor/gb-editor-view.c
index e83113e..1ea04b8 100644
--- a/src/editor/gb-editor-view.c
+++ b/src/editor/gb-editor-view.c
@@ -42,6 +42,9 @@ struct _GbEditorViewPrivate
   GtkToggleButton *split_button;
   GbEditorFrame   *frame;
   GtkProgressBar  *progress_bar;
+  GtkLabel        *error_label;
+  GtkButton       *error_close_button;
+  GtkRevealer     *error_revealer;
   GtkLabel        *modified_label;
   GtkButton       *modified_reload_button;
   GtkButton       *modified_cancel_button;
@@ -260,6 +263,31 @@ gb_editor_view_reload_document (GbEditorView *view,
 }
 
 static void
+gb_editor_view_notify_error (GbEditorView     *view,
+                             GParamSpec       *pspec,
+                             GbEditorDocument *document)
+{
+  const GError *error;
+
+  g_return_if_fail (GB_IS_EDITOR_VIEW (view));
+  g_return_if_fail (pspec);
+  g_return_if_fail (GB_IS_EDITOR_DOCUMENT (document));
+
+  error = gb_editor_document_get_error (document);
+
+  if (!error)
+    {
+      if (gtk_revealer_get_reveal_child (view->priv->error_revealer))
+        gtk_revealer_set_reveal_child (view->priv->error_revealer, FALSE);
+    }
+  else
+    {
+      gtk_label_set_label (view->priv->error_label, error->message);
+      gtk_revealer_set_reveal_child (view->priv->error_revealer, TRUE);
+    }
+}
+
+static void
 gb_editor_view_connect (GbEditorView     *view,
                         GbEditorDocument *document)
 {
@@ -299,6 +327,18 @@ gb_editor_view_connect (GbEditorView     *view,
                            G_CONNECT_SWAPPED);
 
   g_signal_connect_object (document,
+                           "notify::error",
+                           G_CALLBACK (gb_editor_view_notify_error),
+                           view,
+                           G_CONNECT_SWAPPED);
+
+  g_signal_connect_object (view->priv->error_close_button,
+                           "clicked",
+                           G_CALLBACK (gb_editor_view_hide_revealer_child),
+                           view->priv->error_revealer,
+                           G_CONNECT_SWAPPED);
+
+  g_signal_connect_object (document,
                            "notify::file-changed-on-volume",
                            G_CALLBACK (gb_editor_view_file_changed_on_volume),
                            view,
@@ -530,6 +570,9 @@ gb_editor_view_class_init (GbEditorViewClass *klass)
   gtk_widget_class_bind_template_child_private (widget_class, GbEditorView, modified_label);
   gtk_widget_class_bind_template_child_private (widget_class, GbEditorView, modified_cancel_button);
   gtk_widget_class_bind_template_child_private (widget_class, GbEditorView, modified_reload_button);
+  gtk_widget_class_bind_template_child_private (widget_class, GbEditorView, error_label);
+  gtk_widget_class_bind_template_child_private (widget_class, GbEditorView, error_revealer);
+  gtk_widget_class_bind_template_child_private (widget_class, GbEditorView, error_close_button);
 
   g_type_ensure (GB_TYPE_EDITOR_FRAME);
 }
diff --git a/src/resources/ui/gb-editor-view.ui b/src/resources/ui/gb-editor-view.ui
index 392247f..bc5bc48 100644
--- a/src/resources/ui/gb-editor-view.ui
+++ b/src/resources/ui/gb-editor-view.ui
@@ -55,7 +55,6 @@
                 <child>
                   <object class="GtkInfoBar">
                     <property name="visible">True</property>
-                    <property name="app_paintable">True</property>
                     <property name="can_focus">False</property>
                     <child internal-child="action_area">
                       <object class="GtkButtonBox">
@@ -127,6 +126,72 @@
               </object>
             </child>
             <child>
+              <object class="GtkRevealer" id="error_revealer">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="transition_type">GTK_REVEALER_TRANSITION_TYPE_SLIDE_DOWN</property>
+                <property name="reveal_child">False</property>
+                <child>
+                  <object class="GtkInfoBar">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="message-type">GTK_MESSAGE_ERROR</property>
+                    <child internal-child="action_area">
+                      <object class="GtkButtonBox">
+                        <property name="can_focus">False</property>
+                        <property name="spacing">6</property>
+                        <property name="layout_style">end</property>
+                        <child>
+                          <object class="GtkButton" id="error_close_button">
+                            <property name="label" translatable="yes">_Close</property>
+                            <property name="visible">True</property>
+                            <property name="can_focus">True</property>
+                            <property name="receives_default">True</property>
+                            <property name="use_underline">True</property>
+                          </object>
+                          <packing>
+                            <property name="expand">True</property>
+                            <property name="fill">True</property>
+                            <property name="position">1</property>
+                          </packing>
+                        </child>
+                      </object>
+                      <packing>
+                        <property name="expand">False</property>
+                        <property name="fill">False</property>
+                        <property name="position">0</property>
+                      </packing>
+                    </child>
+                    <child internal-child="content_area">
+                      <object class="GtkBox">
+                        <property name="can_focus">False</property>
+                        <property name="spacing">16</property>
+                        <child>
+                          <object class="GtkLabel" id="error_label">
+                            <property name="visible">True</property>
+                            <property name="can_focus">False</property>
+                            <property name="hexpand">True</property>
+                            <property name="xalign">0</property>
+                            <property name="label" translatable="yes"></property>
+                          </object>
+                          <packing>
+                            <property name="expand">True</property>
+                            <property name="fill">True</property>
+                            <property name="position">0</property>
+                          </packing>
+                        </child>
+                      </object>
+                      <packing>
+                        <property name="expand">False</property>
+                        <property name="fill">False</property>
+                        <property name="position">0</property>
+                      </packing>
+                    </child>
+                  </object>
+                </child>
+              </object>
+            </child>
+            <child>
               <object class="GtkPaned" id="paned">
                 <property name="orientation">vertical</property>
                 <property name="expand">true</property>