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// 13 august 2014
#include "uipriv_unix.h"
G_DEFINE_TYPE(uiContainer, uiContainer, GTK_TYPE_CONTAINER)
static void uiContainer_init(uiContainer *c)
{
#ifdef uiLogAllocations
fprintf(stderr, "%p alloc uiContainer\n", c);
#endif
c->children = g_ptr_array_new();
gtk_widget_set_has_window(GTK_WIDGET(c), FALSE);
}
// instead of having GtkContainer itself unref all our controls, we'll run our own uiControlDestroy() functions for child, which will do that and more
// we still chain up because we need to, but by that point there will be no children for GtkContainer to free
static void uiContainer_dispose(GObject *obj)
{
uiContainer *c = uiContainer(obj);
if (c->children != NULL) {
g_ptr_array_unref(c->children);
c->children = NULL;
}
if (c->child != NULL) {
uiControlDestroy(c->child);
c->child = NULL;
}
G_OBJECT_CLASS(uiContainer_parent_class)->dispose(obj);
}
// TODO switch from using uiContainer() directly below
static void uiContainer_finalize(GObject *obj)
{
G_OBJECT_CLASS(uiContainer_parent_class)->finalize(obj);
#ifdef uiLogAllocations
fprintf(stderr, "%p free\n", obj);
#endif
}
static void uiContainer_add(GtkContainer *container, GtkWidget *widget)
{
gtk_widget_set_parent(widget, GTK_WIDGET(container));
if (uiContainer(container)->children != NULL)
g_ptr_array_add(uiContainer(container)->children, widget);
}
static void uiContainer_remove(GtkContainer *container, GtkWidget *widget)
{
gtk_widget_unparent(widget);
if (uiContainer(container)->children != NULL)
g_ptr_array_remove(uiContainer(container)->children, widget);
}
static void uiContainer_size_allocate(GtkWidget *widget, GtkAllocation *allocation)
{
uiControl *c;
uiSizing d;
gtk_widget_set_allocation(widget, allocation);
c = uiContainer(widget)->child;
if (c != NULL)
(*(c->resize))(c, allocation->x, allocation->y, allocation->width, allocation->height, &d);
}
struct forall {
GtkCallback callback;
gpointer data;
};
static void doforall(gpointer obj, gpointer data)
{
struct forall *s = (struct forall *) data;
(*(s->callback))(GTK_WIDGET(obj), s->data);
}
static void uiContainer_forall(GtkContainer *container, gboolean includeInternals, GtkCallback callback, gpointer data)
{
struct forall s;
s.callback = callback;
s.data = data;
if (uiContainer(container)->children != NULL)
g_ptr_array_foreach(uiContainer(container)->children, doforall, &s);
}
static void uiContainer_class_init(uiContainerClass *class)
{
G_OBJECT_CLASS(class)->dispose = uiContainer_dispose;
G_OBJECT_CLASS(class)->finalize = uiContainer_finalize;
GTK_WIDGET_CLASS(class)->size_allocate = uiContainer_size_allocate;
GTK_CONTAINER_CLASS(class)->add = uiContainer_add;
GTK_CONTAINER_CLASS(class)->remove = uiContainer_remove;
GTK_CONTAINER_CLASS(class)->forall = uiContainer_forall;
}
GtkWidget *newContainer(void)
{
uiContainer *c;
c = uiContainer(g_object_new(uiContainerType, NULL));
return GTK_WIDGET(c);
}
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