diff options
| -rw-r--r-- | redo/container_unix.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/redo/container_unix.c b/redo/container_unix.c new file mode 100644 index 0000000..80b3c7a --- /dev/null +++ b/redo/container_unix.c @@ -0,0 +1,111 @@ +// 13 august 2014 +#include <gtk/gtk.h> + +#define CUSTOM_CONTAINER_TYPE (customContainer_get_type()) +#define CUSTOM_CONTAINER(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), CUSTOM_CONTAINER_TYPE, CustomContainer)) +#define IS_CUSTOM_CONTAINER(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), CUSTOM_CONTAINER_TYPE)) +#define CUSTOM_CONTAINER_CLASS(class) (G_TYPE_CHECK_CLASS_CAST((class), CUSTOM_CONTAINER_TYPE, CustomContainerClass)) +#define IS_CUSTOM_CONTAINER_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE((class), CUSTOM_CONTAINER_TYPE)) +#define CUSTOM_CONTAINER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), CUSTOM_CONTAINER_TYPE, CustomContainerClass)) + +typedef struct CustomContainer CustomContainer; +typedef struct CustomContainerClass CustomContainerClass; + +struct CustomContainer { + GtkContainer parent_instance; + GtkWidget *child; +}; + +struct CustomContainerClass { + GtkContainerClass parent_class; +}; + +G_DEFINE_TYPE(CustomContainer, customContainer, GTK_TYPE_CONTAINER) + +static void customContainer_init(CustomContainer *c) +{ + gtk_widget_set_has_window(GTK_WIDGET(c), FALSE); +} + +static void customContainer_dispose(GObject *obj) +{ + G_OBJECT_CLASS(customContainer_parent_class)->dispose(obj); +} + +static void customContainer_finalize(GObject *obj) +{ + G_OBJECT_CLASS(customContainer_parent_class)->finalize(obj); +} + +static void customContainer_add(GtkContainer *container, GtkWidget *widget) +{ + gtk_widget_set_parent(widget, GTK_WIDGET(container)); + CUSTOM_CONTAINER(container)->child = widget; +} + +static void customContainer_remove(GtkContainer *container, GtkWidget *widget) +{ + gtk_widget_unparent(widget); + CUSTOM_CONTAINER(container)->child = NULL; +} + +static void customContainer_size_allocate(GtkWidget *widget, GtkAllocation *allocation) +{ + gtk_widget_set_allocation(widget, allocation); + if (CUSTOM_CONTAINER(widget)->child != NULL) + gtk_widget_size_allocate(CUSTOM_CONTAINER(widget)->child, allocation); +} + +static void customContainer_get_preferred_width(GtkWidget *widget, gint *min, gint *nat) +{ + if (CUSTOM_CONTAINER(widget)->child != NULL) { + gtk_widget_get_preferred_width(CUSTOM_CONTAINER(widget)->child, min, nat); + return; + } + if (min != NULL) + *min = 0; + if (nat != NULL) + *nat = 0; +} + +static void customContainer_get_preferred_height(GtkWidget *widget, gint *min, gint *nat) +{ + if (CUSTOM_CONTAINER(widget)->child != NULL) { + gtk_widget_get_preferred_height(CUSTOM_CONTAINER(widget)->child, min, nat); + return; + } + if (min != NULL) + *min = 0; + if (nat != NULL) + *nat = 0; +} + +static void customContainer_forall(GtkContainer *container, gboolean includeInternals, GtkCallback callback, gpointer data) +{ + if (CUSTOM_CONTAINER(container)->child != NULL) + (*callback)(CUSTOM_CONTAINER(container)->child, data); +} + +static void customContainer_class_init(CustomContainerClass *class) +{ + G_OBJECT_CLASS(class)->dispose = customContainer_dispose; + G_OBJECT_CLASS(class)->finalize = customContainer_finalize; + GTK_WIDGET_CLASS(class)->size_allocate = customContainer_size_allocate; +// GTK_WIDGET_CLASS(class)->get_preferred_width = customContainer_get_preferred_width; +// GTK_WIDGET_CLASS(class)->get_preferred_height = customContainer_get_preferred_height; + GTK_CONTAINER_CLASS(class)->add = customContainer_add; + GTK_CONTAINER_CLASS(class)->remove = customContainer_remove; + GTK_CONTAINER_CLASS(class)->forall = customContainer_forall; +} + +int main(void) +{ + gtk_init(NULL, NULL); + GtkWidget *mainwin = gtk_window_new(GTK_WINDOW_TOPLEVEL); + GtkWidget *cc = g_object_new(CUSTOM_CONTAINER_TYPE, NULL); + gtk_container_add(GTK_CONTAINER(cc), gtk_button_new_with_label("Test")); + gtk_container_add(GTK_CONTAINER(mainwin), cc); + gtk_widget_show_all(mainwin); + gtk_main(); + return 0; +} |