[gtk+/gtk-2-16] Bug 592003 - Shift+click should always modify selection

[Matthias Clasen <matthiasc src gnome org>]

commit e755d10765466c359e98a0fddad08389524748d0
Author: Paolo Borelli <pborelli gnome org>
Date:   Mon Aug 17 17:04:30 2009 +0200

    Bug 592003 - Shift+click should always modify selection
    
    Shift-click inside an existing selection reduces the selection to the
    range from the insert mark to the clicked point instead of removing the
    selection. This makes GtkTextView more consistent with GtkEntry.

 gtk/gtktextview.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtktextview.c b/gtk/gtktextview.c
index bf2d4b1..18da865 100644
--- a/gtk/gtktextview.c
+++ b/gtk/gtktextview.c
@@ -4314,7 +4314,8 @@ gtk_text_view_button_press_event (GtkWidget *widget, GdkEventButton *event)
 
           if (gtk_text_buffer_get_selection_bounds (get_buffer (text_view),
                                                     &start, &end) &&
-              gtk_text_iter_in_range (&iter, &start, &end))
+              gtk_text_iter_in_range (&iter, &start, &end) &&
+              !(event->state & GDK_SHIFT_MASK))
             {
               text_view->drag_start_x = event->x;
               text_view->drag_start_y = event->y;