Re-added and migrated unix/oscontainer.c.
This commit is contained in:
Pietro Gagliardi
parent
c46627f8e1
commit
3f101ff591
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@ -3,6 +3,7 @@
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osCFILES = \
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unix/alloc.c \
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unix/main.c \
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unix/oscontainer.c \
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unix/util.c
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osHFILES = \
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@ -0,0 +1,219 @@
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// 13 august 2014
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#include "uipriv_unix.h"
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#define uipOSContainerType (uipOSContainer_get_type())
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#define uipOSContainer(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), uipOSContainerType, uipOSContainer))
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#define uipIsOSContainer(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), uipOSContainerType))
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#define uipOSContainerClass(class) (G_TYPE_CHECK_CLASS_CAST((class), uipOSContainerType, uipOSContainerClass))
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#define uipIsOSContainerClass(class) (G_TYPE_CHECK_CLASS_TYPE((class), uipOSContainer))
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#define uipGetParentClass(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), uipOSContainerType, uipOSContainerClass))
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typedef struct uipOSContainer uipOSContainer;
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typedef struct uipOSContainerClass uipOSContainerClass;
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struct uipOSContainer {
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GtkContainer parent_instance;
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uiControl *mainControl;
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GPtrArray *children; // for forall()
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intmax_t marginLeft;
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intmax_t marginTop;
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intmax_t marginRight;
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intmax_t marginBottom;
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gboolean canDestroy;
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};
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struct uipOSContainerClass {
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GtkContainerClass parent_class;
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};
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G_DEFINE_TYPE(uipOSContainer, uipOSContainer, GTK_TYPE_CONTAINER)
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static void uipOSContainer_init(uipOSContainer *c)
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{
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if (options.debugLogAllocations)
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fprintf(stderr, "%p alloc uipOSContainer\n", c);
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c->children = g_ptr_array_new();
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gtk_widget_set_has_window(GTK_WIDGET(c), FALSE);
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}
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// instead of having GtkContainer itself unref all our controls, we'll run our own uiControlDestroy() functions for child, which will do that and more
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// we still chain up because we need to, but by that point there will be no children for GtkContainer to free
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static void uipOSContainer_dispose(GObject *obj)
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{
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uipOSContainer *c = uipOSContainer(obj);
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// don't free mainControl here; that should have been done by uiOSContainerDestroy()
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if (!c->canDestroy)
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complain("attempt to dispose uiOSContainer with uipOSContainer at %p before uiOSContainerDestroy()", c);
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if (c->children != NULL) {
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if (c->children->len != 0)
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complain("disposing uiOSContainer with uipOSContainer at %p while there are still children", c);
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g_ptr_array_unref(c->children);
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c->children = NULL;
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}
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G_OBJECT_CLASS(uipOSContainer_parent_class)->dispose(obj);
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}
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static void uipOSContainer_finalize(GObject *obj)
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{
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uipOSContainer *c = uipOSContainer(obj);
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if (!c->canDestroy)
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complain("attempt to finalize uiOSContainer with uipOSContainer at %p before uiOSContainerDestroy()", c);
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G_OBJECT_CLASS(uipOSContainer_parent_class)->finalize(obj);
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if (options.debugLogAllocations)
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fprintf(stderr, "%p free\n", obj);
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}
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static void uipOSContainer_add(GtkContainer *container, GtkWidget *widget)
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{
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uipOSContainer *c = uipOSContainer(container);
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gtk_widget_set_parent(widget, GTK_WIDGET(c));
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if (c->children != NULL)
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g_ptr_array_add(c->children, widget);
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}
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static void uipOSContainer_remove(GtkContainer *container, GtkWidget *widget)
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{
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uipOSContainer *c = uipOSContainer(container);
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gtk_widget_unparent(widget);
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if (c->children != NULL)
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if (g_ptr_array_remove(c->children, widget) == FALSE)
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complain("widget %p not found in uipOSContainer gtk_container_remove()", widget);
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}
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#define gtkXPadding 12
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#define gtkYPadding 6
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static void uipOSContainer_size_allocate(GtkWidget *widget, GtkAllocation *allocation)
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{
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uipOSContainer *c = uipOSContainer(widget);
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uiSizing d;
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intmax_t x, y, width, height;
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gtk_widget_set_allocation(GTK_WIDGET(c), allocation);
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if (c->mainControl == NULL)
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return;
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x = allocation->x + c->marginLeft;
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y = allocation->y + c->marginTop;
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width = allocation->width - (c->marginLeft + c->marginRight);
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height = allocation->height - (c->marginTop + c->marginBottom);
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d.xPadding = gtkXPadding;
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d.yPadding = gtkYPadding;
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uiControlResize(c->mainControl, x, y, width, height, &d);
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}
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struct forall {
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GtkCallback callback;
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gpointer data;
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};
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static void doforall(gpointer obj, gpointer data)
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{
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struct forall *s = (struct forall *) data;
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(*(s->callback))(GTK_WIDGET(obj), s->data);
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}
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static void uipOSContainer_forall(GtkContainer *container, gboolean includeInternals, GtkCallback callback, gpointer data)
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{
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uipOSContainer *c = uipOSContainer(container);
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struct forall s;
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s.callback = callback;
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s.data = data;
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if (c->children != NULL)
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g_ptr_array_foreach(c->children, doforall, &s);
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}
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static void uipOSContainer_class_init(uipOSContainerClass *class)
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{
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G_OBJECT_CLASS(class)->dispose = uipOSContainer_dispose;
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G_OBJECT_CLASS(class)->finalize = uipOSContainer_finalize;
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GTK_WIDGET_CLASS(class)->size_allocate = uipOSContainer_size_allocate;
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GTK_CONTAINER_CLASS(class)->add = uipOSContainer_add;
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GTK_CONTAINER_CLASS(class)->remove = uipOSContainer_remove;
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GTK_CONTAINER_CLASS(class)->forall = uipOSContainer_forall;
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}
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// TODO convert other methods of other backends to pp arg p instance variable
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static void parentDestroy(uiOSContainer *cc)
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{
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uipOSContainer *c = uipOSContainer(cc->Internal);
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// first, destroy the main control
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if (c->mainControl != NULL) {
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// we have to do this before we can destroy controls
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uiControlSetHasParent(c->mainControl, 0);
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uiControlSetOSContainer(c->mainControl, NULL);
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uiControlDestroy(c->mainControl);
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c->mainControl = NULL;
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}
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// now we can mark the parent as ready to be destroyed
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c->canDestroy = TRUE;
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// finally, destroy the parent
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g_object_unref(G_OBJECT(c));
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// and free ourselves
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uiFree(cc);
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}
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static uintptr_t parentHandle(uiOSContainer *cc)
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{
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uipOSContainer *c = uipOSContainer(cc->Internal);
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return (uintptr_t) c;
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}
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static void parentSetMainControl(uiOSContainer *cc, uiControl *mainControl)
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{
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uipOSContainer *c = uipOSContainer(cc->Internal);
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if (c->mainControl != NULL) {
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uiControlSetHasParent(c->mainControl, 0);
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uiControlSetOSContainer(c->mainControl, NULL);
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}
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c->mainControl = mainControl;
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if (c->mainControl != NULL) {
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uiControlSetHasParent(c->mainControl, 1);
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uiControlSetOSContainer(c->mainControl, cc);
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}
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}
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static void parentSetMargins(uiOSContainer *cc, intmax_t left, intmax_t top, intmax_t right, intmax_t bottom)
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{
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uipOSContainer *c = uipOSContainer(cc->Internal);
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c->marginLeft = left;
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c->marginTop = top;
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c->marginRight = right;
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c->marginBottom = bottom;
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}
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static void parentUpdate(uiOSContainer *cc)
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{
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uipOSContainer *c = uipOSContainer(cc->Internal);
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gtk_widget_queue_resize(GTK_WIDGET(c));
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}
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uiOSContainer *uiNewParent(uintptr_t osParent)
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{
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uiOSContainer *c;
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c = uiNew(uiOSContainer);
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c->Internal = g_object_new(uipOSContainerType, NULL);
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c->Destroy = parentDestroy;
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c->Handle = parentHandle;
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c->SetMainControl = parentSetMainControl;
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c->SetMargins = parentSetMargins;
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c->Update = parentUpdate;
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gtk_container_add(GTK_CONTAINER(osParent), GTK_WIDGET(c->Internal));
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// make it visible by default
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gtk_widget_show_all(GTK_WIDGET(c->Internal));
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// hold a reference to it to keep it alive
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g_object_ref(G_OBJECT(c->Internal));
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return c;
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}
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