PIKApp/libpikawidgets/pikascrolledpreview.h

96 lines
3.9 KiB
C

/* LIBPIKA - The PIKA Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* pikascrolledpreview.h
*
* This library is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <https://www.gnu.org/licenses/>.
*/
#if !defined (__PIKA_WIDGETS_H_INSIDE__) && !defined (PIKA_WIDGETS_COMPILATION)
#error "Only <libpikawidgets/pikawidgets.h> can be included directly."
#endif
#ifndef __PIKA_SCROLLED_PREVIEW_H__
#define __PIKA_SCROLLED_PREVIEW_H__
#include "pikapreview.h"
G_BEGIN_DECLS
/* For information look into the C source or the html documentation */
#define PIKA_TYPE_SCROLLED_PREVIEW (pika_scrolled_preview_get_type ())
#define PIKA_SCROLLED_PREVIEW(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_SCROLLED_PREVIEW, PikaScrolledPreview))
#define PIKA_SCROLLED_PREVIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_SCROLLED_PREVIEW, PikaScrolledPreviewClass))
#define PIKA_IS_SCROLLED_PREVIEW(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_SCROLLED_PREVIEW))
#define PIKA_IS_SCROLLED_PREVIEW_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_SCROLLED_PREVIEW))
#define PIKA_SCROLLED_PREVIEW_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PIKA_TYPE_SCROLLED_PREVIEW, PikaScrolledPreviewClass))
typedef struct _PikaScrolledPreviewPrivate PikaScrolledPreviewPrivate;
typedef struct _PikaScrolledPreviewClass PikaScrolledPreviewClass;
struct _PikaScrolledPreview
{
PikaPreview parent_instance;
};
struct _PikaScrolledPreviewClass
{
PikaPreviewClass parent_class;
/* Padding for future expansion */
void (* _pika_reserved1) (void);
void (* _pika_reserved2) (void);
void (* _pika_reserved3) (void);
void (* _pika_reserved4) (void);
void (* _pika_reserved5) (void);
void (* _pika_reserved6) (void);
void (* _pika_reserved7) (void);
void (* _pika_reserved8) (void);
};
GType pika_scrolled_preview_get_type (void) G_GNUC_CONST;
void pika_scrolled_preview_set_position (PikaScrolledPreview *preview,
gint x,
gint y);
void pika_scrolled_preview_set_policy (PikaScrolledPreview *preview,
GtkPolicyType hscrollbar_policy,
GtkPolicyType vscrollbar_policy);
void pika_scrolled_preview_get_adjustments (PikaScrolledPreview *preview,
GtkAdjustment **hadj,
GtkAdjustment **vadj);
/* only for use from derived widgets */
void pika_scrolled_preview_freeze (PikaScrolledPreview *preview);
void pika_scrolled_preview_thaw (PikaScrolledPreview *preview);
/* utility function for scrolled-window like pika widgets like the canvas */
void pika_scroll_adjustment_values (GdkEventScroll *sevent,
GtkAdjustment *hadj,
GtkAdjustment *vadj,
gdouble *hvalue,
gdouble *vvalue);
G_END_DECLS
#endif /* __PIKA_SCROLLED_PREVIEW_H__ */