Figured out what to do about containers in GTK+ and applied it to Group.

1 files changed, 102 insertions, 0 deletions

diff --git a/newctrl/container_unix.c b/newctrl/container_unix.c
new file mode 100644
index 0000000..8de3cb5
--- /dev/null
+++ b/newctrl/container_unix.c
@@ -0,0 +1,102 @@
+// +build !windows,!darwin
+
+// 13 august 2014
+
+#include "gtk_unix.h"
+#include "_cgo_export.h"
+
+#define GOCONTAINER_TYPE (goContainer_get_type())
+#define GOCONTAINER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GOCONTAINER_TYPE, goContainer))
+#define IS_GOCONTAINER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GOCONTAINER_TYPE))
+#define GOCONTAINER_CLASS(class) (G_TYPE_CHECK_CLASS_CAST((class), GOCONTAINER_TYPE, goContainerClass))
+#define IS_GOCONTAINER_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE((class), GOCONTAINER_TYPE))
+#define GOCONTAINER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GOCONTAINER_TYPE, goContainerClass))
+
+typedef struct goContainer goContainer;
+typedef struct goContainerClass goContainerClass;
+
+struct goContainer {
+	GtkContainer parent_instance;
+	void *gocontainer;
+	GPtrArray *children;		// for forall()
+};
+
+struct goContainerClass {
+	GtkContainerClass parent_class;
+};
+
+G_DEFINE_TYPE(goContainer, goContainer, GTK_TYPE_CONTAINER)
+
+static void goContainer_init(goContainer *c)
+{
+	c->children = g_ptr_array_new();
+	gtk_widget_set_has_window(GTK_WIDGET(c), FALSE);
+}
+
+static void goContainer_dispose(GObject *obj)
+{
+	g_ptr_array_unref(GOCONTAINER(obj)->children);
+	G_OBJECT_CLASS(goContainer_parent_class)->dispose(obj);
+}
+
+static void goContainer_finalize(GObject *obj)
+{
+	G_OBJECT_CLASS(goContainer_parent_class)->finalize(obj);
+}
+
+static void goContainer_add(GtkContainer *container, GtkWidget *widget)
+{
+	gtk_widget_set_parent(widget, GTK_WIDGET(container));
+	g_ptr_array_add(GOCONTAINER(container)->children, widget);
+}
+
+static void goContainer_remove(GtkContainer *container, GtkWidget *widget)
+{
+	gtk_widget_unparent(widget);
+	g_ptr_array_remove(GOCONTAINER(container)->children, widget);
+}
+
+static void goContainer_size_allocate(GtkWidget *widget, GtkAllocation *allocation)
+{
+	gtk_widget_set_allocation(widget, allocation);
+}
+
+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 goContainer_forall(GtkContainer *container, gboolean includeInternals, GtkCallback callback, gpointer data)
+{
+	struct forall s;
+
+	s.callback = callback;
+	s.data = data;
+	g_ptr_array_foreach(GOCONTAINER(container)->children, doforall, &s);
+}
+
+static void goContainer_class_init(goContainerClass *class)
+{
+	G_OBJECT_CLASS(class)->dispose = goContainer_dispose;
+	G_OBJECT_CLASS(class)->finalize = goContainer_finalize;
+	GTK_WIDGET_CLASS(class)->size_allocate = goContainer_size_allocate;
+	GTK_CONTAINER_CLASS(class)->add = goContainer_add;
+	GTK_CONTAINER_CLASS(class)->remove = goContainer_remove;
+	GTK_CONTAINER_CLASS(class)->forall = goContainer_forall;
+}
+
+GtkWidget *newContainer(void *gocontainer)
+{
+	goContainer *c;
+
+	c = (goContainer *) g_object_new(GOCONTAINER_TYPE, NULL);
+	c->gocontainer = gocontainer;
+	return GTK_WIDGET(c);
+}