[gnome-builder] libide: add IdeSourceView:show-grid-lines gproperty

[Christian Hergert <chergert src gnome org>]

commit 1b9abbff418e2af927ad8f61a26acbbb582b5f70
Author: Christian Hergert <christian hergert me>
Date:   Tue Feb 24 16:45:02 2015 -0800

    libide: add IdeSourceView:show-grid-lines gproperty

 libide/ide-source-view.c     |   52 ++++++++++++++++++++++++++++++++++++++++++
 libide/ide-source-view.h     |    5 +++-
 tests/test-ide-source-view.c |    1 +
 3 files changed, 57 insertions(+), 1 deletions(-)
---
diff --git a/libide/ide-source-view.c b/libide/ide-source-view.c
index 7f3a8d5..5429f6c 100644
--- a/libide/ide-source-view.c
+++ b/libide/ide-source-view.c
@@ -39,6 +39,7 @@ typedef struct
   PangoFontDescription    *font_desc;
   GtkSourceGutterRenderer *line_change_renderer;
 
+  guint                    show_grid_lines : 1;
   guint                    show_line_changes : 1;
 } IdeSourceViewPrivate;
 
@@ -48,6 +49,7 @@ enum {
   PROP_0,
   PROP_FONT_NAME,
   PROP_FONT_DESC,
+  PROP_SHOW_GRID_LINES,
   PROP_SHOW_LINE_CHANGES,
   LAST_PROP
 };
@@ -233,6 +235,10 @@ ide_source_view_get_property (GObject    *object,
       g_value_set_boxed (value, ide_source_view_get_font_desc (self));
       break;
 
+    case PROP_SHOW_GRID_LINES:
+      g_value_set_boolean (value, ide_source_view_get_show_grid_lines (self));
+      break;
+
     case PROP_SHOW_LINE_CHANGES:
       g_value_set_boolean (value, ide_source_view_get_show_line_changes (self));
       break;
@@ -260,6 +266,10 @@ ide_source_view_set_property (GObject      *object,
       ide_source_view_set_font_desc (self, g_value_get_boxed (value));
       break;
 
+    case PROP_SHOW_GRID_LINES:
+      ide_source_view_set_show_grid_lines (self, g_value_get_boolean (value));
+      break;
+
     case PROP_SHOW_LINE_CHANGES:
       ide_source_view_set_show_line_changes (self, g_value_get_boolean (value));
       break;
@@ -297,6 +307,15 @@ ide_source_view_class_init (IdeSourceViewClass *klass)
   g_object_class_install_property (object_class, PROP_FONT_NAME,
                                    gParamSpecs [PROP_FONT_NAME]);
 
+  gParamSpecs [PROP_SHOW_GRID_LINES] =
+    g_param_spec_boolean ("show-grid-lines",
+                          _("Show Grid Lines"),
+                          _("If the background grid should be shown."),
+                          FALSE,
+                          (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+  g_object_class_install_property (object_class, PROP_SHOW_GRID_LINES,
+                                   gParamSpecs [PROP_SHOW_GRID_LINES]);
+
   gParamSpecs [PROP_SHOW_LINE_CHANGES] =
     g_param_spec_boolean ("show-line-changes",
                           _("Show Line Changes"),
@@ -390,3 +409,36 @@ ide_source_view_set_show_line_changes (IdeSourceView *self,
       g_object_notify_by_pspec (G_OBJECT (self), gParamSpecs [PROP_SHOW_LINE_CHANGES]);
     }
 }
+
+gboolean
+ide_source_view_get_show_grid_lines (IdeSourceView *self)
+{
+  IdeSourceViewPrivate *priv = ide_source_view_get_instance_private (self);
+
+  g_return_val_if_fail (IDE_IS_SOURCE_VIEW (self), FALSE);
+
+  return priv->show_grid_lines;
+}
+
+void
+ide_source_view_set_show_grid_lines (IdeSourceView *self,
+                                     gboolean       show_grid_lines)
+{
+  IdeSourceViewPrivate *priv = ide_source_view_get_instance_private (self);
+
+  g_return_if_fail (IDE_IS_SOURCE_VIEW (self));
+
+  show_grid_lines = !!show_grid_lines;
+
+  if (show_grid_lines != priv->show_grid_lines)
+    {
+      priv->show_grid_lines = show_grid_lines;
+      if (show_grid_lines)
+        gtk_source_view_set_background_pattern (GTK_SOURCE_VIEW (self),
+                                                GTK_SOURCE_BACKGROUND_PATTERN_TYPE_GRID);
+      else
+        gtk_source_view_set_background_pattern (GTK_SOURCE_VIEW (self),
+                                                GTK_SOURCE_BACKGROUND_PATTERN_TYPE_NONE);
+      g_object_notify_by_pspec (G_OBJECT (self), gParamSpecs [PROP_SHOW_GRID_LINES]);
+    }
+}
diff --git a/libide/ide-source-view.h b/libide/ide-source-view.h
index 3e356a8..6cd9095 100644
--- a/libide/ide-source-view.h
+++ b/libide/ide-source-view.h
@@ -47,11 +47,14 @@ struct _IdeSourceViewClass
 GType ide_source_view_get_type (void);
 
 const PangoFontDescription *ide_source_view_get_font_desc         (IdeSourceView              *self);
-gboolean                    ide_source_view_get_show_line_changes (IdeSourceView *self);
+gboolean                    ide_source_view_get_show_grid_lines   (IdeSourceView              *self);
+gboolean                    ide_source_view_get_show_line_changes (IdeSourceView              *self);
 void                        ide_source_view_set_font_desc         (IdeSourceView              *self,
                                                                    const PangoFontDescription *font_desc);
 void                        ide_source_view_set_font_name         (IdeSourceView              *self,
                                                                    const gchar                *font_name);
+void                        ide_source_view_set_show_grid_lines   (IdeSourceView              *self,
+                                                                   gboolean                    
show_grid_lines);
 void                        ide_source_view_set_show_line_changes (IdeSourceView              *self,
                                                                    gboolean                    
show_line_changes);
 
diff --git a/tests/test-ide-source-view.c b/tests/test-ide-source-view.c
index fbed1cc..c03496e 100644
--- a/tests/test-ide-source-view.c
+++ b/tests/test-ide-source-view.c
@@ -117,6 +117,7 @@ main (gint   argc,
   gtk_container_add (GTK_CONTAINER (window), GTK_WIDGET (scroller));
   source_view = g_object_new (IDE_TYPE_SOURCE_VIEW,
                               "sensitive", FALSE,
+                              "show-grid-lines", TRUE,
                               "show-line-changes", TRUE,
                               "show-line-numbers", TRUE,
                               "visible", TRUE,