[glade] Move GladeWidgetAdaptor code for GtkMessageDialog into it's own C file

[Tristan Van Berkom <tvb src gnome org>]

commit b145dd40ebab4bb4c06552cab85ad6d0224571b8
Author: Tristan Van Berkom <tristan van berkom gmail com>
Date:   Fri May 3 22:50:20 2013 +0900

    Move GladeWidgetAdaptor code for GtkMessageDialog into it's own C file

 plugins/gtk+/Makefile.am                |    1 +
 plugins/gtk+/glade-gtk-message-dialog.c |  208 +++++++++++++++++++++++++++++++
 plugins/gtk+/glade-gtk.c                |  183 ---------------------------
 po/POTFILES.in                          |    1 +
 4 files changed, 210 insertions(+), 183 deletions(-)
---
diff --git a/plugins/gtk+/Makefile.am b/plugins/gtk+/Makefile.am
index 61396bd..dc30334 100644
--- a/plugins/gtk+/Makefile.am
+++ b/plugins/gtk+/Makefile.am
@@ -44,6 +44,7 @@ libgladegtk_la_SOURCES =              \
        glade-gtk-frame.c               \
        glade-gtk-grid.c                \
        glade-gtk-info-bar.c            \
+       glade-gtk-message-dialog.c      \
        glade-gtk-notebook.c            \
        glade-gtk-paned.c               \
        glade-gtk-switch.c              \
diff --git a/plugins/gtk+/glade-gtk-message-dialog.c b/plugins/gtk+/glade-gtk-message-dialog.c
new file mode 100644
index 0000000..0464a56
--- /dev/null
+++ b/plugins/gtk+/glade-gtk-message-dialog.c
@@ -0,0 +1,208 @@
+/*
+ * glade-gtk-message-dialog.c - GladeWidgetAdaptor for GtkMessageDialog
+ *
+ * Copyright (C) 2013 Tristan Van Berkom
+ *
+ * Authors:
+ *      Tristan Van Berkom <tristan van berkom gmail com>
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public 
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include <config.h>
+#include <glib/gi18n-lib.h>
+#include <gladeui/glade.h>
+
+static gboolean
+glade_gtk_message_dialog_reset_image (GtkMessageDialog * dialog)
+{
+  GtkWidget *image;
+  gint message_type;
+
+  g_object_get (dialog, "message-type", &message_type, NULL);
+  if (message_type != GTK_MESSAGE_OTHER)
+    return FALSE;
+
+  image = gtk_message_dialog_get_image (dialog);
+  if (glade_widget_get_from_gobject (image))
+    {
+      gtk_message_dialog_set_image (dialog,
+                                    gtk_image_new_from_stock (NULL,
+                                                              GTK_ICON_SIZE_DIALOG));
+      gtk_widget_show (image);
+
+      return TRUE;
+    }
+  else
+    return FALSE;
+}
+
+enum
+{
+  MD_IMAGE_ACTION_INVALID,
+  MD_IMAGE_ACTION_RESET,
+  MD_IMAGE_ACTION_SET
+};
+
+static gint
+glade_gtk_message_dialog_image_determine_action (GtkMessageDialog * dialog,
+                                                 const GValue * value,
+                                                 GtkWidget ** image,
+                                                 GladeWidget ** gimage)
+{
+  GtkWidget *dialog_image = gtk_message_dialog_get_image (dialog);
+
+  *image = g_value_get_object (value);
+
+  if (*image == NULL)
+    if (glade_widget_get_from_gobject (dialog_image))
+      return MD_IMAGE_ACTION_RESET;
+    else
+      return MD_IMAGE_ACTION_INVALID;
+  else
+    {
+      *image = GTK_WIDGET (*image);
+      if (dialog_image == *image)
+        return MD_IMAGE_ACTION_INVALID;
+      if (gtk_widget_get_parent (*image))
+        return MD_IMAGE_ACTION_INVALID;
+
+      *gimage = glade_widget_get_from_gobject (*image);
+
+      if (!*gimage)
+        {
+          g_warning ("Setting property to an object outside the project");
+          return MD_IMAGE_ACTION_INVALID;
+        }
+
+      if (glade_widget_get_parent (*gimage) ||
+          GWA_IS_TOPLEVEL (glade_widget_get_adaptor (*gimage)))
+        return MD_IMAGE_ACTION_INVALID;
+
+      return MD_IMAGE_ACTION_SET;
+    }
+}
+
+void
+glade_gtk_message_dialog_set_property (GladeWidgetAdaptor * adaptor,
+                                       GObject * object,
+                                       const gchar * id, const GValue * value)
+{
+  GtkMessageDialog *dialog = GTK_MESSAGE_DIALOG (object);
+  GladeWidget *gwidget = glade_widget_get_from_gobject (object);
+
+  g_return_if_fail (gwidget);
+
+  if (strcmp (id, "image") == 0)
+    {
+      GtkWidget *image = NULL;
+      GladeWidget *gimage = NULL;
+      gint rslt;
+
+      rslt = glade_gtk_message_dialog_image_determine_action (dialog, value,
+                                                              &image, &gimage);
+      switch (rslt)
+        {
+          case MD_IMAGE_ACTION_INVALID:
+            return;
+          case MD_IMAGE_ACTION_RESET:
+            glade_gtk_message_dialog_reset_image (dialog);
+            return;
+          case MD_IMAGE_ACTION_SET:
+            break;              /* continue setting the property */
+        }
+
+      if (gtk_widget_get_parent (image))
+        g_critical ("Image should have no parent now");
+
+      gtk_message_dialog_set_image (dialog, image);
+
+      {
+        /* syncing "message-type" property */
+        GladeProperty *property;
+
+        property = glade_widget_get_property (gwidget, "message-type");
+        if (!glade_property_equals (property, GTK_MESSAGE_OTHER))
+          glade_command_set_property (property, GTK_MESSAGE_OTHER);
+      }
+    }
+  else
+    {
+      /* We must reset the image to internal,
+       * external image would otherwise become internal
+       */
+      if (!strcmp (id, "message-type") &&
+          g_value_get_enum (value) != GTK_MESSAGE_OTHER)
+        {
+          GladeProperty *property;
+
+          property = glade_widget_get_property (gwidget, "image");
+          if (!glade_property_equals (property, NULL))
+            glade_command_set_property (property, NULL);
+        }
+      /* Chain up, even if property us message-type because
+       * it's not fully handled here
+       */
+      GWA_GET_CLASS (GTK_TYPE_DIALOG)->set_property (adaptor, object,
+                                                     id, value);
+    }
+}
+
+gboolean
+glade_gtk_message_dialog_verify_property (GladeWidgetAdaptor * adaptor,
+                                          GObject * object,
+                                          const gchar * id,
+                                          const GValue * value)
+{
+  if (!strcmp (id, "image"))
+    {
+      GtkWidget *image;
+      GladeWidget *gimage;
+
+      gboolean retval = MD_IMAGE_ACTION_INVALID !=
+          glade_gtk_message_dialog_image_determine_action (GTK_MESSAGE_DIALOG
+                                                           (object),
+                                                           value, &image,
+                                                           &gimage);
+
+      return retval;
+    }
+  else if (GWA_GET_CLASS (GTK_TYPE_CONTAINER)->verify_property)
+    return GWA_GET_CLASS (GTK_TYPE_CONTAINER)->verify_property (adaptor, object,
+                                                                id, value);
+  else
+    return TRUE;
+}
+
+void
+glade_gtk_message_dialog_get_property (GladeWidgetAdaptor * adaptor,
+                                       GObject * object,
+                                       const gchar * property_name,
+                                       GValue * value)
+{
+  if (!strcmp (property_name, "image"))
+    {
+      GtkMessageDialog *dialog = GTK_MESSAGE_DIALOG (object);
+      GtkWidget *image = gtk_message_dialog_get_image (dialog);
+
+      if (!glade_widget_get_from_gobject (image))
+        g_value_set_object (value, NULL);
+      else
+        g_value_set_object (value, image);
+    }
+  else
+    GWA_GET_CLASS (GTK_TYPE_DIALOG)->get_property (adaptor, object,
+                                                   property_name, value);
+}
diff --git a/plugins/gtk+/glade-gtk.c b/plugins/gtk+/glade-gtk.c
index ce3fc8f..a154229 100644
--- a/plugins/gtk+/glade-gtk.c
+++ b/plugins/gtk+/glade-gtk.c
@@ -80,189 +80,6 @@ glade_gtk_init (const gchar * name)
 
 
 
-/*--------------------------- GtkMessageDialog ---------------------------------*/
-static gboolean
-glade_gtk_message_dialog_reset_image (GtkMessageDialog * dialog)
-{
-  GtkWidget *image;
-  gint message_type;
-
-  g_object_get (dialog, "message-type", &message_type, NULL);
-  if (message_type != GTK_MESSAGE_OTHER)
-    return FALSE;
-
-  image = gtk_message_dialog_get_image (dialog);
-  if (glade_widget_get_from_gobject (image))
-    {
-      gtk_message_dialog_set_image (dialog,
-                                    gtk_image_new_from_stock (NULL,
-                                                              GTK_ICON_SIZE_DIALOG));
-      gtk_widget_show (image);
-
-      return TRUE;
-    }
-  else
-    return FALSE;
-}
-
-enum
-{
-  MD_IMAGE_ACTION_INVALID,
-  MD_IMAGE_ACTION_RESET,
-  MD_IMAGE_ACTION_SET
-};
-
-static gint
-glade_gtk_message_dialog_image_determine_action (GtkMessageDialog * dialog,
-                                                 const GValue * value,
-                                                 GtkWidget ** image,
-                                                 GladeWidget ** gimage)
-{
-  GtkWidget *dialog_image = gtk_message_dialog_get_image (dialog);
-
-  *image = g_value_get_object (value);
-
-  if (*image == NULL)
-    if (glade_widget_get_from_gobject (dialog_image))
-      return MD_IMAGE_ACTION_RESET;
-    else
-      return MD_IMAGE_ACTION_INVALID;
-  else
-    {
-      *image = GTK_WIDGET (*image);
-      if (dialog_image == *image)
-        return MD_IMAGE_ACTION_INVALID;
-      if (gtk_widget_get_parent (*image))
-        return MD_IMAGE_ACTION_INVALID;
-
-      *gimage = glade_widget_get_from_gobject (*image);
-
-      if (!*gimage)
-        {
-          g_warning ("Setting property to an object outside the project");
-          return MD_IMAGE_ACTION_INVALID;
-        }
-
-      if (glade_widget_get_parent (*gimage) ||
-          GWA_IS_TOPLEVEL (glade_widget_get_adaptor (*gimage)))
-        return MD_IMAGE_ACTION_INVALID;
-
-      return MD_IMAGE_ACTION_SET;
-    }
-}
-
-void
-glade_gtk_message_dialog_set_property (GladeWidgetAdaptor * adaptor,
-                                       GObject * object,
-                                       const gchar * id, const GValue * value)
-{
-  GtkMessageDialog *dialog = GTK_MESSAGE_DIALOG (object);
-  GladeWidget *gwidget = glade_widget_get_from_gobject (object);
-
-  g_return_if_fail (gwidget);
-
-  if (strcmp (id, "image") == 0)
-    {
-      GtkWidget *image = NULL;
-      GladeWidget *gimage = NULL;
-      gint rslt;
-
-      rslt = glade_gtk_message_dialog_image_determine_action (dialog, value,
-                                                              &image, &gimage);
-      switch (rslt)
-        {
-          case MD_IMAGE_ACTION_INVALID:
-            return;
-          case MD_IMAGE_ACTION_RESET:
-            glade_gtk_message_dialog_reset_image (dialog);
-            return;
-          case MD_IMAGE_ACTION_SET:
-            break;              /* continue setting the property */
-        }
-
-      if (gtk_widget_get_parent (image))
-        g_critical ("Image should have no parent now");
-
-      gtk_message_dialog_set_image (dialog, image);
-
-      {
-        /* syncing "message-type" property */
-        GladeProperty *property;
-
-        property = glade_widget_get_property (gwidget, "message-type");
-        if (!glade_property_equals (property, GTK_MESSAGE_OTHER))
-          glade_command_set_property (property, GTK_MESSAGE_OTHER);
-      }
-    }
-  else
-    {
-      /* We must reset the image to internal,
-       * external image would otherwise become internal
-       */
-      if (!strcmp (id, "message-type") &&
-          g_value_get_enum (value) != GTK_MESSAGE_OTHER)
-        {
-          GladeProperty *property;
-
-          property = glade_widget_get_property (gwidget, "image");
-          if (!glade_property_equals (property, NULL))
-            glade_command_set_property (property, NULL);
-        }
-      /* Chain up, even if property us message-type because
-       * it's not fully handled here
-       */
-      GWA_GET_CLASS (GTK_TYPE_DIALOG)->set_property (adaptor, object,
-                                                     id, value);
-    }
-}
-
-gboolean
-glade_gtk_message_dialog_verify_property (GladeWidgetAdaptor * adaptor,
-                                          GObject * object,
-                                          const gchar * id,
-                                          const GValue * value)
-{
-  if (!strcmp (id, "image"))
-    {
-      GtkWidget *image;
-      GladeWidget *gimage;
-
-      gboolean retval = MD_IMAGE_ACTION_INVALID !=
-          glade_gtk_message_dialog_image_determine_action (GTK_MESSAGE_DIALOG
-                                                           (object),
-                                                           value, &image,
-                                                           &gimage);
-
-      return retval;
-    }
-  else if (GWA_GET_CLASS (GTK_TYPE_CONTAINER)->verify_property)
-    return GWA_GET_CLASS (GTK_TYPE_CONTAINER)->verify_property (adaptor, object,
-                                                                id, value);
-  else
-    return TRUE;
-}
-
-void
-glade_gtk_message_dialog_get_property (GladeWidgetAdaptor * adaptor,
-                                       GObject * object,
-                                       const gchar * property_name,
-                                       GValue * value)
-{
-  if (!strcmp (property_name, "image"))
-    {
-      GtkMessageDialog *dialog = GTK_MESSAGE_DIALOG (object);
-      GtkWidget *image = gtk_message_dialog_get_image (dialog);
-
-      if (!glade_widget_get_from_gobject (image))
-        g_value_set_object (value, NULL);
-      else
-        g_value_set_object (value, image);
-    }
-  else
-    GWA_GET_CLASS (GTK_TYPE_DIALOG)->get_property (adaptor, object,
-                                                   property_name, value);
-}
-
 /* ----------------------------- GtkFileChooserWidget ------------------------------ */
 void
 glade_gtk_file_chooser_widget_post_create (GladeWidgetAdaptor * adaptor,
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 76c31d0..30f35a5 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -71,6 +71,7 @@ plugins/gtk+/glade-gtk-expander.c
 plugins/gtk+/glade-gtk-fixed-layout.c
 plugins/gtk+/glade-gtk-frame.c
 plugins/gtk+/glade-gtk-grid.c
+plugins/gtk+/glade-gtk-message-dialog.c
 plugins/gtk+/glade-gtk-notebook.c
 plugins/gtk+/glade-gtk-paned.c
 plugins/gtk+/glade-gtk-table.c