[gcompris/gcomprixogoo] Added the command line option --nocursor (-C). As its name implies, GCompris won't show any visible

[Bruno Coudoin <bcoudoin src gnome org>]

commit 4c0658217ad1e2b3cbbeedab4ae2eaaeb9b3d850
Author: Bruno Coudoin <bruno coudoin free fr>
Date:   Sun Oct 17 13:16:18 2010 +0200

    Added the command line option --nocursor (-C). As its name implies,
    GCompris won't show any visible cursor. This is very useful to touch
    screen users.

 src/gcompris/gcompris.c   |   40 +++++++++++++++++++++++++++++++++++++---
 src/gcompris/properties.h |    1 +
 2 files changed, 38 insertions(+), 3 deletions(-)
---
diff --git a/src/gcompris/gcompris.c b/src/gcompris/gcompris.c
index 5d46fd6..6b28c13 100644
--- a/src/gcompris/gcompris.c
+++ b/src/gcompris/gcompris.c
@@ -118,6 +118,7 @@ static gint popt_window		   = FALSE;
 static gint popt_sound		   = FALSE;
 static gint popt_mute		   = FALSE;
 static gint popt_cursor		   = FALSE;
+static gint popt_nocursor	   = FALSE;
 static gint popt_version	   = FALSE;
 static gint popt_difficulty_filter = FALSE;
 static gint popt_debug		   = FALSE;
@@ -165,7 +166,10 @@ static GOptionEntry options[] = {
    N_("run GCompris without sound."), NULL},
 
   {"cursor", 'c', 0, G_OPTION_ARG_NONE, &popt_cursor,
-   N_("run GCompris with the default gnome cursor."), NULL},
+   N_("run GCompris with the default system cursor."), NULL},
+
+  {"nocursor", 'C', 0, G_OPTION_ARG_NONE, &popt_nocursor,
+   N_("run GCompris without cursor (touch screen mode)."), NULL},
 
   {"difficulty", 'd', 0, G_OPTION_ARG_INT, &popt_difficulty_filter,
    N_("display only activities with this difficulty level."), NULL},
@@ -458,10 +462,31 @@ guint gc_cursor_get()
   return gc_cursor_current;
 }
 
+/* Set the cursor to be invisible
+ * (Useful for touch screens)
+ */
+void gc_cursor_hide()
+{
+  char in_cursor[] = {0x0};
+  GdkCursor *cursor;
+  GdkBitmap *bp;
+  GdkColor color = {0, 0, 0, 0};
+
+  bp = gdk_bitmap_create_from_data(NULL , in_cursor , 1, 1);
+  cursor = gdk_cursor_new_from_pixmap(bp , bp ,
+				      &color , &color ,
+				      1 , 1);
+  gdk_window_set_cursor(window->window , cursor);
+  gdk_cursor_unref(cursor);
+}
+
 void gc_cursor_set(guint gdk_cursor_type)
 {
   GdkCursor *cursor = NULL;
 
+  if (properties->nocursor)
+    return;
+
   // Little hack to force gcompris to use the default cursor
   if(gdk_cursor_type==GCOMPRIS_DEFAULT_CURSOR)
     gdk_cursor_type=properties->defaultcursor;
@@ -807,7 +832,10 @@ static void setup_window ()
 		      GTK_SIGNAL_FUNC (map_cb), NULL);
 
   // Set the cursor
-  gc_cursor_set(GCOMPRIS_DEFAULT_CURSOR);
+  if (properties->nocursor)
+    gc_cursor_hide();
+  else
+    gc_cursor_set(GCOMPRIS_DEFAULT_CURSOR);
 
   canvas     = goo_canvas_new();
 
@@ -1574,10 +1602,16 @@ main (int argc, char *argv[])
 
   if (popt_cursor)
     {
-      g_message("Default gnome cursor enabled");
+      g_message("Default system cursor enabled");
       properties->defaultcursor = GDK_LEFT_PTR;
     }
 
+  if (popt_nocursor)
+    {
+      g_message("No cursors");
+      properties->nocursor = TRUE;
+    }
+
   if (popt_experimental)
     {
       g_message("Experimental boards allowed");
diff --git a/src/gcompris/properties.h b/src/gcompris/properties.h
index b4d1d54..5682a21 100644
--- a/src/gcompris/properties.h
+++ b/src/gcompris/properties.h
@@ -32,6 +32,7 @@ typedef struct {
   gint		fx;
   gint		fullscreen;
   gint		defaultcursor;
+  gint		nocursor;
   gint		timer;
   gint		filter_style;
   gint		difficulty_filter;