[gcalctool] Support entering super/subscript with numeric keypad (Bug #634904)

[Robert Ancell <rancell src gnome org>]

commit 0c2340ff74a39cf37106573f4867a162a0f3b184
Author: Robert Ancell <robert ancell canonical com>
Date:   Fri Mar 18 15:33:38 2011 +1100

    Support entering super/subscript with numeric keypad (Bug #634904)

 NEWS               |    1 +
 src/math-display.c |   20 ++++++++++++++++++++
 2 files changed, 21 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index 6b5c427..8031fa0 100644
--- a/NEWS
+++ b/NEWS
@@ -5,6 +5,7 @@ Overview of changes in gcalctool 5.91.91
     * Don't use automatic exponential format when not in base 10
     * Only use thousands separators in base 10
     * Set currency on first start (Bug #640818)
+    * Support entering super/subscript with numeric keypad (Bug #634904)
 
 Overview of changes in gcalctool 5.91.90
 
diff --git a/src/math-display.c b/src/math-display.c
index b4d87af..d466831 100644
--- a/src/math-display.c
+++ b/src/math-display.c
@@ -203,33 +203,43 @@ display_key_press_cb(GtkWidget *widget, GdkEventKey *event, MathDisplay *display
         switch(event->keyval)
         {
         case GDK_KEY_0:
+        case GDK_KEY_KP_0:
             math_equation_insert(display->priv->equation, "â?°");
             return TRUE;
         case GDK_KEY_1:
+        case GDK_KEY_KP_1:
             math_equation_insert(display->priv->equation, "¹");
             return TRUE;
         case GDK_KEY_2:
+        case GDK_KEY_KP_2:
             math_equation_insert(display->priv->equation, "²");
             return TRUE;
         case GDK_KEY_3:
+        case GDK_KEY_KP_3:
             math_equation_insert(display->priv->equation, "³");
             return TRUE;
         case GDK_KEY_4:
+        case GDK_KEY_KP_4:
             math_equation_insert(display->priv->equation, "â?´");
             return TRUE;
         case GDK_KEY_5:
+        case GDK_KEY_KP_5:
             math_equation_insert(display->priv->equation, "â?µ");
             return TRUE;
         case GDK_KEY_6:
+        case GDK_KEY_KP_6:
             math_equation_insert(display->priv->equation, "â?¶");
             return TRUE;
         case GDK_KEY_7:
+        case GDK_KEY_KP_7:
             math_equation_insert(display->priv->equation, "â?·");
             return TRUE;
         case GDK_KEY_8:
+        case GDK_KEY_KP_8:
             math_equation_insert(display->priv->equation, "â?¸");
             return TRUE;
         case GDK_KEY_9:
+        case GDK_KEY_KP_9:
             math_equation_insert(display->priv->equation, "â?¹");
             return TRUE;
         }
@@ -238,33 +248,43 @@ display_key_press_cb(GtkWidget *widget, GdkEventKey *event, MathDisplay *display
         switch(event->keyval)
         {
         case GDK_KEY_0:
+        case GDK_KEY_KP_0:
             math_equation_insert(display->priv->equation, "â??");
             return TRUE;
         case GDK_KEY_1:
+        case GDK_KEY_KP_1:
             math_equation_insert(display->priv->equation, "â??");
             return TRUE;
         case GDK_KEY_2:
+        case GDK_KEY_KP_2:
             math_equation_insert(display->priv->equation, "â??");
             return TRUE;
         case GDK_KEY_3:
+        case GDK_KEY_KP_3:
             math_equation_insert(display->priv->equation, "â??");
             return TRUE;
         case GDK_KEY_4:
+        case GDK_KEY_KP_4:
             math_equation_insert(display->priv->equation, "â??");
             return TRUE;
         case GDK_KEY_5:
+        case GDK_KEY_KP_5:
             math_equation_insert(display->priv->equation, "â??");
             return TRUE;
         case GDK_KEY_6:
+        case GDK_KEY_KP_6:
             math_equation_insert(display->priv->equation, "â??");
             return TRUE;
         case GDK_KEY_7:
+        case GDK_KEY_KP_7:
             math_equation_insert(display->priv->equation, "â??");
             return TRUE;
         case GDK_KEY_8:
+        case GDK_KEY_KP_8:
             math_equation_insert(display->priv->equation, "â??");
             return TRUE;
         case GDK_KEY_9:
+        case GDK_KEY_KP_9:
             math_equation_insert(display->priv->equation, "â??");
             return TRUE;
         }