dw_gtk_scrolled_frame.h

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#ifndef __DW_GTK_SCROLLED_FRAME_H__
#define __DW_GTK_SCROLLED_FRAME_H__

#include <gdk/gdk.h>
#include <gtk/gtkbin.h>
#include <gtk/gtkadjustment.h>

#ifdef __cplusplus
extern "C" {
#endif				/* __cplusplus */

#define GTK_TYPE_DW_SCROLLED_FRAME        (a_Dw_gtk_scrolled_frame_get_type ())
#define GTK_DW_SCROLLED_FRAME(obj)         (GTK_CHECK_CAST (obj, \
                                              GTK_TYPE_DW_SCROLLED_FRAME, \
                                              GtkDwScrolledFrame))
#define GTK_DW_SCROLLED_FRAME_CLASS(klass) (GTK_CHECK_CLASS_CAST (klass, \
                                              GTK_DW_TYPE_SCROLLED_FRAME, \
                                              GtkDwScrolledFrameClass))
#define GTK_DW_IS_SCROLLED_FRAME(obj)      GTK_CHECK_TYPE (obj, \
                                              GTK_DW_TYPE_SCROLLED_FRAME)

typedef struct _GtkDwScrolledFrame GtkDwScrolledFrame;
typedef struct _GtkDwScrolledFrameClass GtkDwScrolledFrameClass;


struct _GtkDwScrolledFrame {
	GtkBin bin;

	GtkAdjustment *hadjustment;
	GtkAdjustment *vadjustment;

	/* used for button 2 dragging */
	gboolean button2_pressed;
	gfloat start_mx, start_my;
	gfloat current_mx, current_my;
	gfloat start_ax, start_ay;
	gboolean drag_idle_id;

	GdkCursor *drag_cursor;
};


struct _GtkDwScrolledFrameClass {
	GtkBinClass parent_class;

	void (*set_scroll_adjustments) (GtkDwScrolledFrame * scrolled_frame, GtkAdjustment * hadjustment, GtkAdjustment * vadjustment);
	void (*user_hchanged) (GtkDwScrolledFrame * scrolled_frame);
	void (*user_vchanged) (GtkDwScrolledFrame * scrolled_frame);
};


GtkType a_Dw_gtk_scrolled_frame_get_type(void);
GtkWidget *a_Dw_gtk_scrolled_frame_new(GtkAdjustment * hadjustment, GtkAdjustment * vadjustment);

#ifdef __cplusplus
}
#endif				/* __cplusplus */
#endif				/* __DW_GTK_SCROLLED_FRAME_H__ */