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container: Don't use forall() in compute_expand

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Use the widget list instead, which saves some code.
This commit is contained in:
Timm Bäder 2018-03-17 14:59:19 +01:00
parent 781400f6d3
commit 93aa5ce167
1 changed files with 26 additions and 41 deletions
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45
gtk/gtkcontainer.c
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@ -1849,17 +1849,19 @@ gtk_container_get_children (GtkContainer *container)
return g_list_reverse (children); return g_list_reverse (children);
} }
typedef struct {
gboolean hexpand;
gboolean vexpand;
} ComputeExpandData;
static void static void
gtk_container_compute_expand_callback (GtkWidget *widget, gtk_container_compute_expand (GtkWidget *widget,
gpointer client_data) gboolean *hexpand_p,
gboolean *vexpand_p)
{ {
ComputeExpandData *data = client_data; GtkWidget *w;
gboolean hexpand = FALSE;
gboolean vexpand = FALSE;
for (w = gtk_widget_get_first_child (widget);
w != NULL;
w = gtk_widget_get_next_sibling (w))
{
/* note that we don't get_expand on the child if we already know we /* note that we don't get_expand on the child if we already know we
* have to expand, so we only recurse into children until we find * have to expand, so we only recurse into children until we find
* one that expands and then we basically don't do any more * one that expands and then we basically don't do any more
@ -1871,29 +1873,12 @@ gtk_container_compute_expand_callback (GtkWidget *widget,
* gtk_widget_compute_expand() always returns FALSE if the * gtk_widget_compute_expand() always returns FALSE if the
* child is !visible so that's taken care of. * child is !visible so that's taken care of.
*/ */
data->hexpand = data->hexpand || hexpand = hexpand || gtk_widget_compute_expand (w, GTK_ORIENTATION_HORIZONTAL);
gtk_widget_compute_expand (widget, GTK_ORIENTATION_HORIZONTAL); vexpand = vexpand || gtk_widget_compute_expand (w, GTK_ORIENTATION_VERTICAL);
}
data->vexpand = data->vexpand || *hexpand_p = hexpand;
gtk_widget_compute_expand (widget, GTK_ORIENTATION_VERTICAL); *vexpand_p = vexpand;
}
static void
gtk_container_compute_expand (GtkWidget *widget,
gboolean *hexpand_p,
gboolean *vexpand_p)
{
ComputeExpandData data;
data.hexpand = FALSE;
data.vexpand = FALSE;
gtk_container_forall (GTK_CONTAINER (widget),
gtk_container_compute_expand_callback,
&data);
*hexpand_p = data.hexpand;
*vexpand_p = data.vexpand;
} }
static void static void