[gnome-builder] libide: add IdeSourceView::swap-selection-bounds

[Christian Hergert <chergert src gnome org>]

commit 692afa4b8c328626263604fd46707258c37750be
Author: Christian Hergert <christian hergert me>
Date:   Thu Mar 5 16:33:38 2015 -0800

    libide: add IdeSourceView::swap-selection-bounds
    
    This can be handy if the keybinding knows it needs to swap the order of
    the selection (so insert comes after selection, or vice-versa).

 libide/ide-source-view.c |   28 +++++++++++++++++++++++++++-
 libide/ide-source-view.h |    1 +
 2 files changed, 28 insertions(+), 1 deletions(-)
---
diff --git a/libide/ide-source-view.c b/libide/ide-source-view.c
index d937019..ed8dd9a 100644
--- a/libide/ide-source-view.c
+++ b/libide/ide-source-view.c
@@ -124,6 +124,7 @@ enum {
   SELECTION_THEATRIC,
   SET_MODE,
   SET_OVERWRITE,
+  SWAP_SELECTION_BOUNDS,
   LAST_SIGNAL
 };
 
@@ -1973,6 +1974,20 @@ ide_source_view_real_set_overwrite (IdeSourceView *self,
 }
 
 static void
+ide_source_view_real_swap_selection_bounds (IdeSourceView *self)
+{
+  GtkTextBuffer *buffer;
+  GtkTextIter insert;
+  GtkTextIter selection_bound;
+
+  g_assert (IDE_IS_SOURCE_VIEW (self));
+
+  buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (self));
+  gtk_text_buffer_get_selection_bounds (buffer, &insert, &selection_bound);
+  gtk_text_buffer_select_range (buffer, &selection_bound, &insert);
+}
+
+static void
 ide_source_view_real_movement (IdeSourceView         *self,
                                IdeSourceViewMovement  movement,
                                gboolean               extend_selection)
@@ -2291,6 +2306,7 @@ ide_source_view_class_init (IdeSourceViewClass *klass)
   klass->selection_theatric = ide_source_view_real_selection_theatric;
   klass->set_mode = ide_source_view_real_set_mode;
   klass->set_overwrite = ide_source_view_real_set_overwrite;
+  klass->swap_selection_bounds = ide_source_view_real_swap_selection_bounds;
 
   g_object_class_override_property (object_class, PROP_AUTO_INDENT, "auto-indent");
 
@@ -2552,10 +2568,20 @@ ide_source_view_class_init (IdeSourceViewClass *klass)
                   G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
                   G_STRUCT_OFFSET (IdeSourceViewClass, set_overwrite),
                   NULL, NULL,
-                  g_cclosure_marshal_generic,
+                  g_cclosure_marshal_VOID__BOOLEAN,
                   G_TYPE_NONE,
                   1,
                   G_TYPE_BOOLEAN);
+
+  gSignals [SWAP_SELECTION_BOUNDS] =
+    g_signal_new ("swap-selection-bounds",
+                  G_TYPE_FROM_CLASS (klass),
+                  G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+                  G_STRUCT_OFFSET (IdeSourceViewClass, swap_selection_bounds),
+                  NULL, NULL,
+                  g_cclosure_marshal_VOID__VOID,
+                  G_TYPE_NONE,
+                  0);
 }
 
 static void
diff --git a/libide/ide-source-view.h b/libide/ide-source-view.h
index f1cadb4..8ca9397 100644
--- a/libide/ide-source-view.h
+++ b/libide/ide-source-view.h
@@ -215,6 +215,7 @@ struct _IdeSourceViewClass
                                        IdeSourceViewModeType    type);
   void (*set_overwrite)               (IdeSourceView           *self,
                                        gboolean                 overwrite);
+  void (*swap_selection_bounds)       (IdeSourceView           *self);
 };
 
 void                        ide_source_view_clear_snippets            (IdeSourceView              *self);