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Allow for a NULL widget in katze_net_load_icon

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This commit is contained in:
Christian Dywan 2009-01-02 01:38:23 +01:00
parent b494c1b5e6
commit 6821cb4bd6
1 changed files with 29 additions and 9 deletions
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28
katze/katze-net.c
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@ -391,6 +391,7 @@ static void
katze_net_icon_priv_free (KatzeNetIconPriv* priv)
{
g_free (priv->icon_file);
if (priv->widget)
g_object_unref (priv->widget);
g_free (priv);
}
@ -462,8 +463,16 @@ katze_net_icon_transfer_cb (KatzeNetRequest* request,
}
if (!pixbuf)
{
if (priv->widget)
pixbuf = gtk_widget_render_icon (priv->widget,
GTK_STOCK_FILE, GTK_ICON_SIZE_MENU, NULL);
else
{
priv->icon_cb (NULL, priv->user_data);
katze_net_icon_priv_free (priv);
}
}
gtk_icon_size_lookup (GTK_ICON_SIZE_MENU, &icon_width, &icon_height);
pixbuf_scaled = gdk_pixbuf_scale_simple (pixbuf, icon_width, icon_height,
GDK_INTERP_BILINEAR);
@ -478,7 +487,7 @@ katze_net_icon_transfer_cb (KatzeNetRequest* request,
* @net: a #KatzeNet
* @uri: an URI string, or %NULL
* @icon_cb: function to call upon completion
* @widget: a related #GtkWidget
* @widget: a related #GtkWidget, or %NULL
* @user_data: data to pass to the callback
*
* Requests a transfer of an icon for @uri. This is
@ -489,7 +498,9 @@ katze_net_icon_transfer_cb (KatzeNetRequest* request,
* the same over multiple requests, plus it may
* be scaled to fit the menu icon size.
*
* The @widget is needed for theming information.
* Pass a valid #GtkWidget to @widget if you want
* a themed default icon in case of a missing icon,
* otherwise %NULL will be returned in that case.
*
* The caller is expected to use the returned icon
* and update it if @icon_cb is called.
@ -501,6 +512,10 @@ katze_net_icon_transfer_cb (KatzeNetRequest* request,
* Note that both the returned #GdkPixbuf and the
* icon passed to @icon_cb are newly allocated and
* the caller owns the reference.
*
* Since 0.1.2 @widget can be %NULL.
*
* Return value: a #GdkPixbuf, or %NULL
**/
GdkPixbuf*
katze_net_load_icon (KatzeNet* net,
@ -518,7 +533,7 @@ katze_net_load_icon (KatzeNet* net,
GdkPixbuf* pixbuf_scaled;
g_return_val_if_fail (KATZE_IS_NET (net), NULL);
g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
g_return_val_if_fail (!widget || GTK_IS_WIDGET (widget), NULL);
pixbuf = NULL;
if (uri && (g_str_has_prefix (uri, "http://") ||
@ -554,7 +569,7 @@ katze_net_load_icon (KatzeNet* net,
priv->net = net;
priv->icon_file = icon_file;
priv->icon_cb = icon_cb;
priv->widget = g_object_ref (widget);
priv->widget = widget ? g_object_ref (widget) : NULL;
priv->user_data = user_data;
katze_net_load_uri (net, icon_uri,
@ -565,8 +580,13 @@ katze_net_load_icon (KatzeNet* net,
}
if (!pixbuf)
{
if (widget)
pixbuf = gtk_widget_render_icon (widget,
GTK_STOCK_FILE, GTK_ICON_SIZE_MENU, NULL);
else
return NULL;
}
gtk_icon_size_lookup (GTK_ICON_SIZE_MENU, &icon_width, &icon_height);
pixbuf_scaled = gdk_pixbuf_scale_simple (pixbuf, icon_width, icon_height,
GDK_INTERP_BILINEAR);