gphoto2-widget.h

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#ifndef __GPHOTO2_WIDGET_H__
#define __GPHOTO2_WIDGET_H__

#include <gphoto2/gphoto2-context.h>

typedef struct _CameraWidget CameraWidget;

#include <gphoto2/gphoto2-camera.h>

typedef enum {                                                                  /* Value (get/set):     */
        GP_WIDGET_WINDOW,       
        GP_WIDGET_SECTION,      
        GP_WIDGET_TEXT,                                 /* char *               */
        GP_WIDGET_RANGE,                                /* float                */
        GP_WIDGET_TOGGLE,               /* int                  */
        GP_WIDGET_RADIO,                        /* char *               */
        GP_WIDGET_MENU,                 /* char *               */
        GP_WIDGET_BUTTON,                       /* CameraWidgetCallback */
        GP_WIDGET_DATE                          /* int                  */
} CameraWidgetType;

typedef int (* CameraWidgetCallback) (Camera *, CameraWidget *, GPContext *);

int     gp_widget_new   (CameraWidgetType type, const char *label, 
                         CameraWidget **widget);
int     gp_widget_free  (CameraWidget *widget);
int     gp_widget_ref   (CameraWidget *widget);
int     gp_widget_unref (CameraWidget *widget);

int     gp_widget_append        (CameraWidget *widget, CameraWidget *child);
int     gp_widget_prepend       (CameraWidget *widget, CameraWidget *child);

int     gp_widget_count_children     (CameraWidget *widget);
int     gp_widget_get_child          (CameraWidget *widget, int child_number, 
                                      CameraWidget **child);

/* Retrieve Widgets */
int     gp_widget_get_child_by_label (CameraWidget *widget,
                                      const char *label,
                                      CameraWidget **child);
int     gp_widget_get_child_by_id    (CameraWidget *widget, int id, 
                                      CameraWidget **child);
int     gp_widget_get_child_by_name  (CameraWidget *widget,
                                      const char *name,
                                      CameraWidget **child);
int     gp_widget_get_root           (CameraWidget *widget,
                                      CameraWidget **root);
int     gp_widget_get_parent         (CameraWidget *widget,
                                      CameraWidget **parent);

int     gp_widget_set_value     (CameraWidget *widget, const void *value);
int     gp_widget_get_value     (CameraWidget *widget, void *value);

int     gp_widget_set_name      (CameraWidget *widget, const char  *name);
int     gp_widget_get_name      (CameraWidget *widget, const char **name);

int     gp_widget_set_info      (CameraWidget *widget, const char  *info);
int     gp_widget_get_info      (CameraWidget *widget, const char **info);

int     gp_widget_get_id        (CameraWidget *widget, int *id);
int     gp_widget_get_type      (CameraWidget *widget, CameraWidgetType *type);
int     gp_widget_get_label     (CameraWidget *widget, const char **label);

int     gp_widget_set_range     (CameraWidget *range, 
                                 float  low, float  high, float  increment);
int     gp_widget_get_range     (CameraWidget *range, 
                                 float *min, float *max, float *increment);

int     gp_widget_add_choice     (CameraWidget *widget, const char *choice);
int     gp_widget_count_choices  (CameraWidget *widget);
int     gp_widget_get_choice     (CameraWidget *widget, int choice_number, 
                                  const char **choice);

int     gp_widget_changed        (CameraWidget *widget);
int     gp_widget_set_changed    (CameraWidget *widget, int changed);

#endif /* __GPHOTO2_WIDGET_H__ */

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