[gnome-builder] credits: roll the credits!



commit 049bdcdb75baea07ae108419bff572c298daceba
Author: Christian Hergert <christian hergert me>
Date:   Thu Nov 20 16:43:45 2014 -0800

    credits: roll the credits!

 src/app/gb-application.c                  |   42 +----
 src/credits/gb-credits-widget.c           |  298 +++++++++++++++++++++++++++++
 src/credits/gb-credits-widget.h           |   64 ++++++
 src/gnome-builder.mk                      |    3 +
 src/resources/gnome-builder.gresource.xml |    1 +
 src/resources/ui/gb-credits-widget.ui     |  265 +++++++++++++++++++++++++
 src/resources/ui/gb-workbench.ui          |    6 +
 src/workbench/gb-workbench.c              |   26 +++
 src/workbench/gb-workbench.h              |    1 +
 9 files changed, 673 insertions(+), 33 deletions(-)
---
diff --git a/src/app/gb-application.c b/src/app/gb-application.c
index 5201e91..f3a5fa3 100644
--- a/src/app/gb-application.c
+++ b/src/app/gb-application.c
@@ -446,45 +446,21 @@ gb_application_activate_about_action (GSimpleAction *action,
                                       GVariant      *parameter,
                                       gpointer       user_data)
 {
-  GtkWindow *window;
   GList *list;
-  GBytes *bytes;
-  gchar **authors;
-  gchar **artists;
 
   g_return_if_fail (GB_IS_APPLICATION (user_data));
 
   list = gtk_application_get_windows (GTK_APPLICATION (user_data));
 
-  bytes = g_resources_lookup_data ("/org/gnome/builder/AUTHORS", 0, NULL);
-  authors = g_strsplit (g_bytes_get_data (bytes, NULL), "\n", 0);
-  g_bytes_unref (bytes);
-
-  bytes = g_resources_lookup_data ("/org/gnome/builder/ARTISTS", 0, NULL);
-  artists = g_strsplit (g_bytes_get_data (bytes, NULL), "\n", 0);
-  g_bytes_unref (bytes);
-
-  window = g_object_new (GTK_TYPE_ABOUT_DIALOG,
-                         "artists", artists,
-                         "authors", authors,
-                         "comments", _("Builder is an IDE for writing GNOME applications."),
-                         "copyright", "Copyright © 2014 Christian Hergert",
-                         "license-type", GTK_LICENSE_GPL_3_0,
-                         "logo-icon-name", "builder",
-                         "modal", TRUE,
-                         "program-name", _("GNOME Builder"),
-                         "transient-for", list ? list->data : NULL,
-                         "translator-credits", _("translator-credits"),
-                         "version", PACKAGE_VERSION,
-                         "website", "https://live.gnome.org/Apps/Builder";,
-                         "website-label", _("Builder Website"),
-                         "window-position", GTK_WIN_POS_CENTER,
-                         NULL);
-
-  gtk_window_present (window);
-
-  g_strfreev (authors);
-  g_strfreev (artists);
+  for (; list; list = list->next)
+    {
+      if (GB_IS_WORKBENCH (list->data))
+        {
+          gb_workbench_roll_credits (list->data);
+          gtk_window_present (list->data);
+          break;
+        }
+    }
 }
 
 static void
diff --git a/src/credits/gb-credits-widget.c b/src/credits/gb-credits-widget.c
new file mode 100644
index 0000000..7eb60f2
--- /dev/null
+++ b/src/credits/gb-credits-widget.c
@@ -0,0 +1,298 @@
+/* gb-credits-widget.c
+ *
+ * Copyright (C) 2014 Christian Hergert <christian hergert me>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <glib/gi18n.h>
+
+#include "gb-animation.h"
+#include "gb-credits-widget.h"
+#include "gb-widget.h"
+
+struct _GbCreditsWidgetPrivate
+{
+  GbAnimation *animation;
+  GtkGrid     *grid;
+  GtkEventBox *event_box;
+  gdouble      progress;
+  guint        duration;
+};
+
+G_DEFINE_TYPE_WITH_PRIVATE (GbCreditsWidget, gb_credits_widget,
+                            GTK_TYPE_OVERLAY)
+
+enum {
+  PROP_0,
+  PROP_PROGRESS,
+  PROP_DURATION,
+  LAST_PROP
+};
+
+static GParamSpec *gParamSpecs [LAST_PROP];
+
+GtkWidget *
+gb_credits_widget_new (void)
+{
+  return g_object_new (GB_TYPE_CREDITS_WIDGET, NULL);
+}
+
+static void
+stop_animation (GbCreditsWidget *widget)
+{
+  GbCreditsWidgetPrivate *priv;
+  GbAnimation *anim;
+
+  g_return_if_fail (GB_IS_CREDITS_WIDGET (widget));
+
+  priv = widget->priv;
+
+  if ((anim = priv->animation))
+    {
+      g_object_remove_weak_pointer (G_OBJECT (anim),
+                                    (gpointer *)&priv->animation);
+      priv->animation = NULL;
+      gb_animation_stop (anim);
+    }
+}
+
+void
+gb_credits_widget_stop (GbCreditsWidget *widget)
+{
+  g_return_if_fail (GB_IS_CREDITS_WIDGET (widget));
+
+  stop_animation (widget);
+
+  if (gtk_widget_get_visible (GTK_WIDGET (widget)))
+    gb_widget_fade_hide (GTK_WIDGET (widget));
+}
+
+static void
+animation_finished (gpointer data)
+{
+  GbCreditsWidget *widget =  data;
+
+  g_return_if_fail (GB_IS_CREDITS_WIDGET (widget));
+
+  gb_credits_widget_stop (widget);
+}
+
+void
+gb_credits_widget_start (GbCreditsWidget *widget)
+{
+  GbCreditsWidgetPrivate *priv;
+  GdkFrameClock *frame_clock;
+
+  g_return_if_fail (GB_IS_CREDITS_WIDGET (widget));
+
+  priv = widget->priv;
+
+  stop_animation (widget);
+
+  gb_credits_widget_set_progress (widget, 0.0);
+
+  gb_widget_fade_show (GTK_WIDGET (widget));
+
+  frame_clock = gtk_widget_get_frame_clock (GTK_WIDGET (priv->grid));
+
+  priv->animation = gb_object_animate_full (widget,
+                                            GB_ANIMATION_LINEAR,
+                                            priv->duration,
+                                            frame_clock,
+                                            animation_finished,
+                                            widget,
+                                            "progress", 1.0,
+                                            NULL);
+  g_object_add_weak_pointer (G_OBJECT (priv->animation),
+                             (gpointer *)&priv->animation);
+}
+
+guint
+gb_credits_widget_get_duration (GbCreditsWidget *widget)
+{
+  g_return_val_if_fail (GB_IS_CREDITS_WIDGET (widget), 0);
+
+  return widget->priv->duration;
+}
+
+void
+gb_credits_widget_set_duration (GbCreditsWidget *widget,
+                                guint            duration)
+{
+  g_return_if_fail (GB_IS_CREDITS_WIDGET (widget));
+  g_return_if_fail (duration > 1000);
+
+  if (widget->priv->duration != duration)
+    {
+      widget->priv->duration = duration;
+      g_object_notify_by_pspec (G_OBJECT (widget), gParamSpecs [PROP_DURATION]);
+    }
+}
+
+gdouble
+gb_credits_widget_get_progress (GbCreditsWidget *widget)
+{
+  g_return_val_if_fail (GB_IS_CREDITS_WIDGET (widget), 0.0);
+
+  return widget->priv->progress;
+}
+
+void
+gb_credits_widget_set_progress (GbCreditsWidget *widget,
+                                gdouble          progress)
+{
+  g_return_if_fail (GB_IS_CREDITS_WIDGET (widget));
+
+  progress = CLAMP (progress, 0.0, 1.0);
+
+  if (progress != widget->priv->progress)
+    {
+      widget->priv->progress = progress;
+      g_object_notify_by_pspec (G_OBJECT (widget), gParamSpecs [PROP_PROGRESS]);
+      gtk_widget_queue_resize (GTK_WIDGET (widget));
+    }
+}
+
+static void
+gb_credits_widget_constructed (GObject *object)
+{
+  GbCreditsWidget *widget = (GbCreditsWidget *)object;
+  GdkRGBA white = { 0 };
+  GdkRGBA black = { 0 };
+
+  gdk_rgba_parse (&white, "#fffefe");
+  gdk_rgba_parse (&black, "#000001");
+
+  gtk_widget_override_background_color (GTK_WIDGET (widget->priv->event_box),
+                                        GTK_STATE_FLAG_NORMAL, &black);
+  gtk_widget_override_color (GTK_WIDGET (widget->priv->grid),
+                             GTK_STATE_FLAG_NORMAL, &white);
+}
+
+static gboolean
+gb_credits_widget_get_child_position (GtkOverlay    *overlay,
+                                      GtkWidget     *widget,
+                                      GtkAllocation *allocation)
+{
+  GtkRequisition natural_size;
+  GtkAllocation my_alloc;
+  gdouble progress;
+
+  g_return_val_if_fail (GTK_IS_OVERLAY (overlay), FALSE);
+  g_return_val_if_fail (GTK_IS_WIDGET (widget), FALSE);
+  g_return_val_if_fail (allocation, FALSE);
+
+  gtk_widget_get_allocation (GTK_WIDGET (overlay), &my_alloc);
+
+  progress = gb_credits_widget_get_progress (GB_CREDITS_WIDGET (overlay));
+
+  gtk_widget_get_preferred_size (widget, NULL, &natural_size);
+
+  allocation->width = MAX (my_alloc.width, natural_size.width);
+  allocation->x = (my_alloc.width - allocation->width) / 2;
+  allocation->height = natural_size.height;
+  allocation->y = -(natural_size.height * progress);
+
+  return TRUE;
+}
+
+static void
+gb_credits_widget_dispose (GObject *object)
+{
+  GbCreditsWidget *widget = (GbCreditsWidget *)object;
+
+  stop_animation (widget);
+
+  G_OBJECT_CLASS (gb_credits_widget_parent_class)->dispose (object);
+}
+
+static void
+gb_credits_widget_get_property (GObject    *object,
+                                guint       prop_id,
+                                GValue     *value,
+                                GParamSpec *pspec)
+{
+  GbCreditsWidget *self = GB_CREDITS_WIDGET (object);
+
+  switch (prop_id)
+    {
+    case PROP_PROGRESS:
+      g_value_set_double (value, gb_credits_widget_get_progress (self));
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+gb_credits_widget_set_property (GObject      *object,
+                                guint         prop_id,
+                                const GValue *value,
+                                GParamSpec   *pspec)
+{
+  GbCreditsWidget *self = GB_CREDITS_WIDGET (object);
+
+  switch (prop_id)
+    {
+    case PROP_PROGRESS:
+      gb_credits_widget_set_progress (self, g_value_get_double (value));
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+    }
+}
+
+static void
+gb_credits_widget_class_init (GbCreditsWidgetClass *klass)
+{
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  GtkOverlayClass *overlay_class = GTK_OVERLAY_CLASS (klass);
+
+  object_class->constructed = gb_credits_widget_constructed;
+  object_class->dispose = gb_credits_widget_dispose;
+  object_class->get_property = gb_credits_widget_get_property;
+  object_class->set_property = gb_credits_widget_set_property;
+
+  overlay_class->get_child_position = gb_credits_widget_get_child_position;
+
+  gParamSpecs [PROP_PROGRESS] =
+    g_param_spec_double ("progress",
+                         _("Progress"),
+                         _("Progress"),
+                         0.0,
+                         1.0,
+                         0.0,
+                         (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+  g_object_class_install_property (object_class, PROP_PROGRESS,
+                                   gParamSpecs [PROP_PROGRESS]);
+
+  gtk_widget_class_set_template_from_resource (widget_class,
+                                               "/org/gnome/builder/ui/gb-credits-widget.ui");
+  gtk_widget_class_bind_template_child_private (widget_class, GbCreditsWidget, grid);
+  gtk_widget_class_bind_template_child_private (widget_class, GbCreditsWidget, event_box);
+}
+
+static void
+gb_credits_widget_init (GbCreditsWidget *self)
+{
+  self->priv = gb_credits_widget_get_instance_private (self);
+
+  self->priv->duration = 1000 * 20;
+
+  gtk_widget_init_template (GTK_WIDGET (self));
+}
diff --git a/src/credits/gb-credits-widget.h b/src/credits/gb-credits-widget.h
new file mode 100644
index 0000000..831723d
--- /dev/null
+++ b/src/credits/gb-credits-widget.h
@@ -0,0 +1,64 @@
+/* gb-credits-widget.h
+ *
+ * Copyright (C) 2014 Christian Hergert <christian hergert me>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GB_CREDITS_WIDGET_H
+#define GB_CREDITS_WIDGET_H
+
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+#define GB_TYPE_CREDITS_WIDGET            (gb_credits_widget_get_type())
+#define GB_CREDITS_WIDGET(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GB_TYPE_CREDITS_WIDGET, 
GbCreditsWidget))
+#define GB_CREDITS_WIDGET_CONST(obj)      (G_TYPE_CHECK_INSTANCE_CAST ((obj), GB_TYPE_CREDITS_WIDGET, 
GbCreditsWidget const))
+#define GB_CREDITS_WIDGET_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass),  GB_TYPE_CREDITS_WIDGET, 
GbCreditsWidgetClass))
+#define GB_IS_CREDITS_WIDGET(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GB_TYPE_CREDITS_WIDGET))
+#define GB_IS_CREDITS_WIDGET_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass),  GB_TYPE_CREDITS_WIDGET))
+#define GB_CREDITS_WIDGET_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj),  GB_TYPE_CREDITS_WIDGET, 
GbCreditsWidgetClass))
+
+typedef struct _GbCreditsWidget        GbCreditsWidget;
+typedef struct _GbCreditsWidgetClass   GbCreditsWidgetClass;
+typedef struct _GbCreditsWidgetPrivate GbCreditsWidgetPrivate;
+
+struct _GbCreditsWidget
+{
+  GtkOverlay parent;
+
+  /*< private >*/
+  GbCreditsWidgetPrivate *priv;
+};
+
+struct _GbCreditsWidgetClass
+{
+  GtkOverlayClass parent;
+};
+
+GType      gb_credits_widget_get_type     (void);
+GtkWidget *gb_credits_widget_new          (void);
+void       gb_credits_widget_start        (GbCreditsWidget *widget);
+void       gb_credits_widget_stop         (GbCreditsWidget *widget);
+guint      gb_credits_widget_get_duration (GbCreditsWidget *widget);
+void       gb_credits_widget_set_duration (GbCreditsWidget *widget,
+                                           guint            duration);
+gdouble    gb_credits_widget_get_progress (GbCreditsWidget *widget);
+void       gb_credits_widget_set_progress (GbCreditsWidget *widget,
+                                           gdouble          progress);
+
+G_END_DECLS
+
+#endif /* GB_CREDITS_WIDGET_H */
diff --git a/src/gnome-builder.mk b/src/gnome-builder.mk
index 483bc69..3cb2fda 100644
--- a/src/gnome-builder.mk
+++ b/src/gnome-builder.mk
@@ -35,6 +35,8 @@ libgnome_builder_la_SOURCES = \
        src/commands/gb-command-vim-provider.h \
        src/commands/gb-command-vim.c \
        src/commands/gb-command-vim.h \
+       src/credits/gb-credits-widget.c \
+       src/credits/gb-credits-widget.h \
        src/devhelp/gb-devhelp-navigation-item.c \
        src/devhelp/gb-devhelp-navigation-item.h \
        src/devhelp/gb-devhelp-tab.c \
@@ -189,6 +191,7 @@ libgnome_builder_la_CFLAGS = \
        -I$(top_srcdir)/src/app \
        -I$(top_srcdir)/src/auto-indent \
        -I$(top_srcdir)/src/commands \
+       -I$(top_srcdir)/src/credits \
        -I$(top_srcdir)/src/devhelp \
        -I$(top_srcdir)/src/editor \
        -I$(top_srcdir)/src/gca \
diff --git a/src/resources/gnome-builder.gresource.xml b/src/resources/gnome-builder.gresource.xml
index 6e1b398..6ca3e5d 100644
--- a/src/resources/gnome-builder.gresource.xml
+++ b/src/resources/gnome-builder.gresource.xml
@@ -23,6 +23,7 @@
 
     <file>ui/gb-command-bar.ui</file>
     <file>ui/gb-command-bar-item.ui</file>
+    <file>ui/gb-credits-widget.ui</file>
     <file>ui/gb-devhelp-tab.ui</file>
     <file>ui/gb-editor-settings-widget.ui</file>
     <file>ui/gb-editor-tab.ui</file>
diff --git a/src/resources/ui/gb-credits-widget.ui b/src/resources/ui/gb-credits-widget.ui
new file mode 100644
index 0000000..1b008e1
--- /dev/null
+++ b/src/resources/ui/gb-credits-widget.ui
@@ -0,0 +1,265 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.18.3 -->
+<interface>
+  <requires lib="gtk+" version="3.8"/>
+  <template class="GbCreditsWidget" parent="GtkOverlay">
+    <property name="can_focus">False</property>
+    <child>
+      <object class="GtkEventBox" id="event_box">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+      </object>
+    </child>
+    <child type="overlay">
+      <object class="GtkGrid" id="grid">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="border_width">48</property>
+        <property name="row_spacing">24</property>
+        <property name="column_spacing">24</property>
+        <property name="column_homogeneous">True</property>
+        <child>
+          <object class="GtkImage" id="image1">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="margin_top">256</property>
+            <property name="pixel_size">256</property>
+            <property name="icon_name">builder</property>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">0</property>
+            <property name="width">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label1">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="hexpand">True</property>
+            <property name="xalign">1</property>
+            <property name="yalign">0</property>
+            <property name="label" translatable="yes">Created By:</property>
+            <attributes>
+              <attribute name="font-desc" value="Sans Bold Italic 18"/>
+            </attributes>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label2">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="hexpand">True</property>
+            <property name="xalign">0</property>
+            <property name="yalign">0</property>
+            <property name="label" translatable="yes">Christian Hergert
+Alexandre Franke
+Carlos Soriano
+Cosimo Cecchi
+Florian Müllner
+Hashem Nasarat
+Jakub Steiner
+Jonathon Jongsma
+Mathieu Bridon
+Michael Catanzaro
+Ray Strode
+Yosef Or Boczko</property>
+            <attributes>
+              <attribute name="font-desc" value="Sans Italic 18"/>
+            </attributes>
+          </object>
+          <packing>
+            <property name="left_attach">1</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label3">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="hexpand">True</property>
+            <property name="xalign">1</property>
+            <property name="yalign">0</property>
+            <property name="label" translatable="yes">Artwork By:</property>
+            <attributes>
+              <attribute name="font-desc" value="Sans Bold Italic 18"/>
+            </attributes>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label4">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="hexpand">True</property>
+            <property name="xalign">0</property>
+            <property name="yalign">0</property>
+            <property name="label" translatable="yes">Jakub Steiner
+Allan Day</property>
+            <attributes>
+              <attribute name="font-desc" value="Sans Italic 18"/>
+            </attributes>
+          </object>
+          <packing>
+            <property name="left_attach">1</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label5">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="hexpand">True</property>
+            <property name="xalign">1</property>
+            <property name="yalign">0</property>
+            <property name="label" translatable="yes">Translated By:</property>
+            <attributes>
+              <attribute name="font-desc" value="Sans Bold Italic 18"/>
+            </attributes>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label6">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="hexpand">True</property>
+            <property name="xalign">0</property>
+            <property name="yalign">0</property>
+            <property name="label" translatable="yes" comments="Translate this string with the translator 
names for your language.">translator-credits</property>
+            <attributes>
+              <attribute name="font-desc" value="Sans Italic 18"/>
+            </attributes>
+          </object>
+          <packing>
+            <property name="left_attach">1</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label7">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="hexpand">True</property>
+            <property name="xalign">1</property>
+            <property name="yalign">0</property>
+            <property name="label" translatable="yes">Funded By:</property>
+            <attributes>
+              <attribute name="font-desc" value="Sans Bold Italic 18"/>
+            </attributes>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">5</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label8">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="hexpand">True</property>
+            <property name="xalign">0</property>
+            <property name="yalign">0</property>
+            <property name="label" translatable="yes">Christian Hergert
+Gareth Foster</property>
+            <attributes>
+              <attribute name="font-desc" value="Sans Italic 18"/>
+            </attributes>
+          </object>
+          <packing>
+            <property name="left_attach">1</property>
+            <property name="top_attach">5</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label9">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="xalign">1</property>
+            <property name="yalign">0</property>
+            <property name="label" translatable="yes">Special Thanks To:</property>
+            <attributes>
+              <attribute name="font-desc" value="Sans Bold Italic 18"/>
+            </attributes>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">6</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label10">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="hexpand">True</property>
+            <property name="xalign">0</property>
+            <property name="yalign">0</property>
+            <property name="label" translatable="yes">Andy Hertzfeld and the Eazel Team
+Bastien Nocera
+Emmanuele Bassi
+Federico Mena Quintero
+Jon McCann
+Matthias Clasen
+Miguel de Icaza
+Owen Taylor
+Rob Taylor
+Spencer Kimball
+Ximian Team</property>
+            <attributes>
+              <attribute name="font-desc" value="Sans Italic 18"/>
+            </attributes>
+          </object>
+          <packing>
+            <property name="left_attach">1</property>
+            <property name="top_attach">6</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label11">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="label" translatable="yes">GNOME Builder</property>
+            <attributes>
+              <attribute name="font-desc" value="Sans Bold 32"/>
+            </attributes>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">1</property>
+            <property name="width">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkLabel" id="label12">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="yalign">0</property>
+            <property name="label" translatable="yes">Copyright 2014 Christian Hergert, et al.
+Licensed under the GNU GPL 3 or newer</property>
+            <property name="justify">center</property>
+            <property name="lines">2</property>
+            <property name="margin_top">32</property>
+            <attributes>
+              <attribute name="font-desc" value="Open Sans Semi-Light Italic 18"/>
+            </attributes>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">7</property>
+            <property name="width">2</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+  </template>
+</interface>
diff --git a/src/resources/ui/gb-workbench.ui b/src/resources/ui/gb-workbench.ui
index 0518ee1..156aaea 100644
--- a/src/resources/ui/gb-workbench.ui
+++ b/src/resources/ui/gb-workbench.ui
@@ -162,6 +162,12 @@
     <child>
       <object class="GtkOverlay" id="main_overlay">
         <property name="visible">True</property>
+        <child type="overlay">
+          <object class="GbCreditsWidget" id="credits">
+            <property name="visible">False</property>
+            <property name="expand">True</property>
+          </object>
+        </child>
         <child>
           <object class="GtkBox">
             <property name="orientation">vertical</property>
diff --git a/src/workbench/gb-workbench.c b/src/workbench/gb-workbench.c
index 47b0aa1..76ce089 100644
--- a/src/workbench/gb-workbench.c
+++ b/src/workbench/gb-workbench.c
@@ -24,6 +24,7 @@
 #include "gb-command-gaction-provider.h"
 #include "gb-command-manager.h"
 #include "gb-command-vim-provider.h"
+#include "gb-credits-widget.h"
 #include "gb-devhelp-workspace.h"
 #include "gb-editor-workspace.h"
 #include "gb-log.h"
@@ -42,6 +43,7 @@ struct _GbWorkbenchPrivate
 
   GbWorkspace            *active_workspace;
   GbCommandBar           *command_bar;
+  GbCreditsWidget        *credits;
   GbWorkspace            *devhelp;
   GbWorkspace            *editor;
   GtkMenuButton          *add_button;
@@ -133,6 +135,14 @@ gb_workbench_get_workspace (GbWorkbench *workbench,
   return NULL;
 }
 
+void
+gb_workbench_roll_credits (GbWorkbench *workbench)
+{
+  g_return_if_fail (GB_IS_WORKBENCH (workbench));
+
+  gb_credits_widget_start (workbench->priv->credits);
+}
+
 static void
 gb_workbench_workspace_changed (GbWorkbench *workbench,
                                 GbWorkspace *workspace)
@@ -362,6 +372,18 @@ on_global_search_activate (GSimpleAction *action,
 }
 
 static void
+on_roll_credits (GSimpleAction *action,
+                 GVariant      *parameters,
+                 gpointer       user_data)
+{
+  GbWorkbench *workbench = user_data;
+
+  g_return_if_fail (GB_IS_WORKBENCH (workbench));
+
+  gb_workbench_roll_credits (workbench);
+}
+
+static void
 gb_workbench_constructed (GObject *object)
 {
   static const GActionEntry actions[] = {
@@ -372,6 +394,7 @@ gb_workbench_constructed (GObject *object)
     { "go-forward", on_go_forward_activate },
     { "show-command-bar", on_show_command_bar_activate },
     { "toggle-command-bar", on_toggle_command_bar_activate, "b" },
+    { "roll-credits", on_roll_credits },
   };
   GbWorkbenchPrivate *priv;
   GbWorkbench *workbench = (GbWorkbench *)object;
@@ -534,6 +557,8 @@ gb_workbench_class_init (GbWorkbenchClass *klass)
   gtk_widget_class_bind_template_child_private (widget_class, GbWorkbench,
                                                 command_bar);
   gtk_widget_class_bind_template_child_private (widget_class, GbWorkbench,
+                                                credits);
+  gtk_widget_class_bind_template_child_private (widget_class, GbWorkbench,
                                                 editor);
   gtk_widget_class_bind_template_child_private (widget_class, GbWorkbench,
                                                 add_button);
@@ -557,6 +582,7 @@ gb_workbench_class_init (GbWorkbenchClass *klass)
                                                 stack);
 
   g_type_ensure (GB_TYPE_COMMAND_BAR);
+  g_type_ensure (GB_TYPE_CREDITS_WIDGET);
   g_type_ensure (GB_TYPE_DEVHELP_WORKSPACE);
   g_type_ensure (GB_TYPE_EDITOR_WORKSPACE);
   g_type_ensure (GEDIT_TYPE_MENU_STACK_SWITCHER);
diff --git a/src/workbench/gb-workbench.h b/src/workbench/gb-workbench.h
index ad4682e..7e08256 100644
--- a/src/workbench/gb-workbench.h
+++ b/src/workbench/gb-workbench.h
@@ -60,6 +60,7 @@ GbWorkspace      *gb_workbench_get_active_workspace (GbWorkbench *workbench);
 GbWorkspace      *gb_workbench_get_workspace        (GbWorkbench *workbench,
                                                      GType        type);
 gpointer          gb_workbench_get_command_manager  (GbWorkbench *workbench);
+void              gb_workbench_roll_credits         (GbWorkbench *workbench);
 
 GbWorkbench      *gb_navigation_list_get_workbench  (GbNavigationList *list);
 


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