[gtksourceview] Add Change Case submenu to context menu

[Ignacio Casal Quinteiro <icq src gnome org>]

commit 509c3044ca0d9b67a5a74a44923d51f83feae127
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Thu Dec 26 12:41:44 2013 +0100

    Add Change Case submenu to context menu

 gtksourceview/gtksourceview.c |   79 +++++++++++++++++++++++++++++++++++++++++
 1 files changed, 79 insertions(+), 0 deletions(-)
---
diff --git a/gtksourceview/gtksourceview.c b/gtksourceview/gtksourceview.c
index df5fc4b..98193a1 100644
--- a/gtksourceview/gtksourceview.c
+++ b/gtksourceview/gtksourceview.c
@@ -1299,12 +1299,35 @@ gtk_source_view_show_completion_real (GtkSourceView *view)
 }
 
 static void
+menu_item_activate_change_case_cb (GtkWidget   *menu_item,
+                                   GtkTextView *text_view)
+{
+       GtkTextBuffer *buffer;
+       GtkTextIter start, end;
+
+       buffer = gtk_text_view_get_buffer (text_view);
+       if (!GTK_SOURCE_IS_BUFFER (buffer))
+       {
+               return;
+       }
+
+       if (gtk_text_buffer_get_selection_bounds (buffer, &start, &end))
+       {
+               GtkSourceChangeCaseType case_type;
+
+               case_type = GPOINTER_TO_INT(g_object_get_data (G_OBJECT (menu_item), "change-case"));
+               gtk_source_buffer_change_case (GTK_SOURCE_BUFFER (buffer), case_type, &start, &end);
+       }
+}
+
+static void
 gtk_source_view_populate_popup (GtkTextView *text_view,
                                GtkWidget   *popup)
 {
        GtkTextBuffer *buffer;
        GtkMenuShell *menu;
        GtkWidget *menu_item;
+       GtkMenuShell *case_menu;
 
        buffer = gtk_text_view_get_buffer (text_view);
        if (!GTK_SOURCE_IS_BUFFER (buffer))
@@ -1345,6 +1368,62 @@ gtk_source_view_populate_popup (GtkTextView *text_view,
                                  (gtk_text_view_get_editable (text_view) &&
                                   gtk_source_buffer_can_undo (GTK_SOURCE_BUFFER (buffer))));
        gtk_widget_show (menu_item);
+
+       /* separator */
+       menu_item = gtk_separator_menu_item_new ();
+       gtk_menu_shell_append (menu, menu_item);
+       gtk_widget_show (menu_item);
+
+       /* create change case menu */
+       case_menu = GTK_MENU_SHELL (gtk_menu_new ());
+
+       menu_item = gtk_menu_item_new_with_mnemonic (_("All _Upper Case"));
+       g_object_set_data (G_OBJECT (menu_item), "change-case", 
GINT_TO_POINTER(GTK_SOURCE_CHANGE_CASE_UPPER));
+       g_signal_connect (G_OBJECT (menu_item), "activate",
+                         G_CALLBACK (menu_item_activate_change_case_cb), text_view);
+       gtk_menu_shell_append (case_menu, menu_item);
+       gtk_widget_set_sensitive (menu_item,
+                                 (gtk_text_view_get_editable (text_view) &&
+                                  gtk_text_buffer_get_has_selection (buffer)));
+       gtk_widget_show (menu_item);
+
+       menu_item = gtk_menu_item_new_with_mnemonic (_("All _Lower Case"));
+       g_object_set_data (G_OBJECT (menu_item), "change-case", 
GINT_TO_POINTER(GTK_SOURCE_CHANGE_CASE_LOWER));
+       g_signal_connect (G_OBJECT (menu_item), "activate",
+                         G_CALLBACK (menu_item_activate_change_case_cb), text_view);
+       gtk_menu_shell_append (case_menu, menu_item);
+       gtk_widget_set_sensitive (menu_item,
+                                 (gtk_text_view_get_editable (text_view) &&
+                                  gtk_text_buffer_get_has_selection (buffer)));
+       gtk_widget_show (menu_item);
+
+       menu_item = gtk_menu_item_new_with_mnemonic (_("_Invert Case"));
+       g_object_set_data (G_OBJECT (menu_item), "change-case", 
GINT_TO_POINTER(GTK_SOURCE_CHANGE_CASE_TOGGLE));
+       g_signal_connect (G_OBJECT (menu_item), "activate",
+                         G_CALLBACK (menu_item_activate_change_case_cb), text_view);
+       gtk_menu_shell_append (case_menu, menu_item);
+       gtk_widget_set_sensitive (menu_item,
+                                 (gtk_text_view_get_editable (text_view) &&
+                                  gtk_text_buffer_get_has_selection (buffer)));
+       gtk_widget_show (menu_item);
+
+       menu_item = gtk_menu_item_new_with_mnemonic (_("_Title Case"));
+       g_object_set_data (G_OBJECT (menu_item), "change-case", 
GINT_TO_POINTER(GTK_SOURCE_CHANGE_CASE_TITLE));
+       g_signal_connect (G_OBJECT (menu_item), "activate",
+                         G_CALLBACK (menu_item_activate_change_case_cb), text_view);
+       gtk_menu_shell_append (case_menu, menu_item);
+       gtk_widget_set_sensitive (menu_item,
+                                 (gtk_text_view_get_editable (text_view) &&
+                                  gtk_text_buffer_get_has_selection (buffer)));
+       gtk_widget_show (menu_item);
+
+       menu_item = gtk_menu_item_new_with_mnemonic (_("C_hange Case"));
+       gtk_menu_item_set_submenu (GTK_MENU_ITEM (menu_item), GTK_WIDGET (case_menu));
+       gtk_menu_shell_append (menu, menu_item);
+       gtk_widget_set_sensitive (menu_item,
+                                 (gtk_text_view_get_editable (text_view) &&
+                                  gtk_text_buffer_get_has_selection (buffer)));
+       gtk_widget_show (menu_item);
 }
 
 static void