[gcalctool] Convert numeric keypad separator into locale specific version (Bug #632794)

[Robert Ancell <rancell src gnome org>]

commit d74739df366022a1c98fa91c08f11e6941d505ff
Author: Robert Ancell <robert ancell canonical com>
Date:   Tue Dec 21 14:44:59 2010 +1100

    Convert numeric keypad separator into locale specific version (Bug #632794)

 NEWS               |    2 ++
 src/math-display.c |    6 ++++++
 2 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index 881374c..7148b30 100644
--- a/NEWS
+++ b/NEWS
@@ -5,6 +5,8 @@ Overview of changes in gcalctool 5.91.4
       AED, BHD, BND, BWP, CLP, COP, DZD, ILS, IRR, KWD, KZT, LKR,
       LYD, MUR, NPR, OMR, PEN, PKR, QAR, SAR, TND, TTD, UYU, VEF
     * Don't hide GCalctool in KDE
+    * Convert numeric keypad separator into locale specific version
+      (Bug #632794)
 
 Overview of changes in gcalctool 5.91.3
 
diff --git a/src/math-display.c b/src/math-display.c
index 57a102b..81b1583 100644
--- a/src/math-display.c
+++ b/src/math-display.c
@@ -90,6 +90,12 @@ display_key_press_cb(GtkWidget *widget, GdkEventKey *event, MathDisplay *display
         return TRUE;
     }
 
+    /* Numeric keypad will often insert '.' regardless of locale */
+    if (event->keyval == GDK_KEY_KP_Decimal) {
+        math_equation_insert_numeric_point(display->priv->equation);
+        return TRUE;
+    }
+
     /* Substitute */
     if (state == 0) {
         if (c == '*') {