[gnome-builder/wip/libide] libide: add IdeSourceView::change-case gsignalaction

[Christian Hergert <chergert src gnome org>]

commit fc8b332d7a512f243dd0a14bff8438fe2b0ed9e7
Author: Christian Hergert <christian hergert me>
Date:   Wed Mar 4 17:57:57 2015 -0800

    libide: add IdeSourceView::change-case gsignalaction
    
    This allows us to toggle the case of selected text using keybindings.

 libide/ide-source-view.c |   30 ++++++++++++++++++++++++++++++
 libide/ide-source-view.h |    2 ++
 2 files changed, 32 insertions(+), 0 deletions(-)
---
diff --git a/libide/ide-source-view.c b/libide/ide-source-view.c
index 604b817..de0516b 100644
--- a/libide/ide-source-view.c
+++ b/libide/ide-source-view.c
@@ -104,6 +104,7 @@ enum {
 
 enum {
   ACTION,
+  CHANGE_CASE,
   CLEAR_SELECTION,
   CYCLE_COMPLETION,
   INSERT_AT_CURSOR_AND_INDENT,
@@ -1456,6 +1457,23 @@ ide_source_view_real_action (IdeSourceView *self,
 }
 
 static void
+ide_source_view_real_change_case (IdeSourceView           *self,
+                                  GtkSourceChangeCaseType  type)
+{
+  GtkTextBuffer *buffer;
+  GtkTextIter begin;
+  GtkTextIter end;
+
+  g_assert (IDE_IS_SOURCE_VIEW (self));
+
+  buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (self));
+  gtk_text_buffer_get_selection_bounds (buffer, &begin, &end);
+
+  if (GTK_SOURCE_IS_BUFFER (buffer))
+    gtk_source_buffer_change_case (GTK_SOURCE_BUFFER (buffer), type, &begin, &end);
+}
+
+static void
 ide_source_view_real_clear_selection (IdeSourceView *self)
 {
   GtkTextView *text_view = (GtkTextView *)self;
@@ -1900,6 +1918,7 @@ ide_source_view_class_init (IdeSourceViewClass *klass)
   widget_class->query_tooltip = ide_source_view_query_tooltip;
 
   klass->action = ide_source_view_real_action;
+  klass->change_case = ide_source_view_real_change_case;
   klass->clear_selection = ide_source_view_real_clear_selection;
   klass->cycle_completion = ide_source_view_real_cycle_completion;
   klass->insert_at_cursor_and_indent = ide_source_view_real_insert_at_cursor_and_indent;
@@ -1987,6 +2006,17 @@ ide_source_view_class_init (IdeSourceViewClass *klass)
                   G_TYPE_STRING,
                   G_TYPE_STRING);
 
+  gSignals [CHANGE_CASE] =
+    g_signal_new ("change-case",
+                  G_TYPE_FROM_CLASS (klass),
+                  G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+                  G_STRUCT_OFFSET (IdeSourceViewClass, change_case),
+                  NULL, NULL,
+                  g_cclosure_marshal_VOID__ENUM,
+                  G_TYPE_NONE,
+                  1,
+                  GTK_SOURCE_TYPE_CHANGE_CASE_TYPE);
+
   gSignals [CLEAR_SELECTION] =
     g_signal_new ("clear-selection",
                   G_TYPE_FROM_CLASS (klass),
diff --git a/libide/ide-source-view.h b/libide/ide-source-view.h
index f75bb45..4e12a16 100644
--- a/libide/ide-source-view.h
+++ b/libide/ide-source-view.h
@@ -162,6 +162,8 @@ struct _IdeSourceViewClass
                                        const gchar             *prefix,
                                        const gchar             *action_name,
                                        const gchar             *param);
+  void (*change_case)                 (IdeSourceView           *self,
+                                       GtkSourceChangeCaseType  type);
   void (*clear_selection)             (IdeSourceView           *self);
   void (*cycle_completion)            (IdeSourceView           *self,
                                        GtkDirectionType         direction);