Re: Valgrind questions

2011-11-29 Thread Stefan Sauer 
On 10/07/2011 11:09 AM, Andrew Cowie wrote:
> On Tue, 2011-09-20 at 12:48 +0100, jcup...@gmail.com wrote:
>
>> Ooop, thanks. I hadn't realised but I'd not updated the version on the
>> website for a while. I've put my current one up now and it includes a
>> thing for g_type_add_interface_static(), as you also found.
> Might it be a good idea to put the suppression file directly into the
> GTK sources, and perhaps even distribute it via the -dev / -devel
> packages for libgtk?
+1 and best but the name of the suppression file to a pkg-config
variable so that it is easy to check. if every lib does this one can
generate a valgrind wrapper for the project in configure :)

Stefan
> Might help the FAQ factor a bit if everyone can just be told to find The
> Suppression File in /usr/share/something...
>
> AfC
> Sydney
>
>
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Can I develop gtk app in Mac OS X ?

2011-11-29 Thread xiaobo 
I work between gnome and os x, sometime I will write my gnome app in Debian and 
,
when I change to OS X , can I continue to write my gnome app in OS X ?
 
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gtk_tree_view_column_set_cell_data_func gives GTK-CRITICAL error

2011-11-29 Thread James Steward 

Hi,

Wanting to display floats with a particular format in a tree view.

void render_float(GtkTreeViewColumn *column,
GtkCellRenderer   *renderer,
GtkTreeModel  *model,
GtkTreeIter   *iter,
gpointer   user_data)
{
gfloat  f;
gchar   buf[20];

int col = GPOINTER_TO_INT(user_data);

gtk_tree_model_get(model, iter, col, &f, -1);

g_snprintf(buf, sizeof(buf), "%.2f", f);

g_object_set(renderer, "text", buf, NULL);
}

G_MODULE_EXPORT gboolean on_menu_show_results_activate(
GtkWidget *w,
GdkEvent *event,
gpointer user_data)
{

...

renderer = gtk_cell_renderer_text_new ();

col = gtk_tree_view_insert_column_with_attributes (
GTK_TREE_VIEW (view),
-1,
"Title",
renderer,
"text", i,
"strikethrough", j,
"background", k,
"background-set", TRUE,
NULL);

gtk_tree_view_column_set_cell_data_func(
gtk_tree_view_get_column(GTK_TREE_VIEW(view), col),
renderer,
render_float,
GINT_TO_POINTER(i),
NULL);
...

}

When I run the app I get:

Gtk-CRITICAL **: gtk_cell_layout_set_cell_data_func: assertion 
`GTK_IS_CELL_LAYOUT (cell_layout)' failed


Can anyone spot what I've done wrong?  There's no compiler warnings, 
just this runtime error.


--
James.
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