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/*
* This file is a part of hildon
*
* Copyright (C) 2008 Nokia Corporation, all rights reserved.
*
* Contact: Rodrigo Novo <rodrigo.novo@nokia.com>
*
* This widget is based on MokoFingerScroll from libmokoui
* OpenMoko Application Framework UI Library
* Authored by Chris Lord <chris@openedhand.com>
* Copyright (C) 2006-2007 OpenMoko Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser Public License as published by
* the Free Software Foundation; version 2 of the license.
*
* This program 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 Public License for more details.
*
*/
#ifndef _HILDON_PANNABLE_AREA
#define _HILDON_PANNABLE_AREA
#include <gtk/gtk.h>
G_BEGIN_DECLS
#define HILDON_TYPE_PANNABLE_AREA \
hildon_pannable_area_get_type()
#define HILDON_PANNABLE_AREA(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), \
HILDON_TYPE_PANNABLE_AREA, HildonPannableArea))
#define HILDON_PANNABLE_AREA_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), \
HILDON_TYPE_PANNABLE_AREA, HildonPannableAreaClass))
#define HILDON_IS_PANNABLE_AREA(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), HILDON_TYPE_PANNABLE_AREA))
#define HILDON_IS_PANNABLE_AREA_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), HILDON_TYPE_PANNABLE_AREA))
#define HILDON_PANNABLE_AREA_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), \
HILDON_TYPE_PANNABLE_AREA, HildonPannableAreaClass))
/**
* HildonPannableAreaMode:
* @HILDON_PANNABLE_AREA_MODE_PUSH: Areaing follows pointer
* @HILDON_PANNABLE_AREA_MODE_ACCEL: Areaing uses physics to "spin" the widget
* @HILDON_PANNABLE_AREA_MODE_AUTO: Automatically chooses between push and accel
* modes, depending on input.
*
* Used to change the behaviour of the pannable areaing
*/
typedef enum {
HILDON_PANNABLE_AREA_MODE_PUSH,
HILDON_PANNABLE_AREA_MODE_ACCEL,
HILDON_PANNABLE_AREA_MODE_AUTO
} HildonPannableAreaMode;
/**
* HildonMovementMode:
* @HILDON_MOVEMENT_MODE_HORIZ:
* @HILDON_MOVEMENT_MODE_VERT:
* @HILDON_MOVEMENT_MODE_BOTH:
*
* Used to control the movement of the pannable, we can allow or
* disallow horizontal or vertical movement. This way the applications
* can control the movement using scroll_to and jump_to functions
*/
typedef enum {
HILDON_MOVEMENT_MODE_HORIZ = 1 << 1,
HILDON_MOVEMENT_MODE_VERT = 1 << 2,
HILDON_MOVEMENT_MODE_BOTH = 0x000006
} HildonMovementMode;
/**
* HildonMovementDirection:
* @HILDON_MOVEMENT_UP:
* @HILDON_MOVEMENT_DOWN:
* @HILDON_MOVEMENT_LEFT:
* @HILDON_MOVEMENT_RIGHT:
*
* Used to point out the direction of the movement
*/
typedef enum {
HILDON_MOVEMENT_UP,
HILDON_MOVEMENT_DOWN,
HILDON_MOVEMENT_LEFT,
HILDON_MOVEMENT_RIGHT
} HildonMovementDirection;
/**
* HildonSizeRequestPolicy:
* @HILDON_SIZE_REQUEST_MINIMUM: The minimum size the widget could use
* to paint itself
* @HILDON_SIZE_REQUEST_CHILDREN: The minimum size of the children of
* the widget
*
* Used to control the size request policy of the widget
*
* Deprecated: This define and the policy request is deprecated, DO
* NOT use it in future code. Check
* #hildon_pannable_area_set_size_request_policy documentation for
* more information.
*/
#ifndef HILDON_DISABLE_DEPRECATED
typedef enum {
HILDON_SIZE_REQUEST_MINIMUM,
HILDON_SIZE_REQUEST_CHILDREN
} HildonSizeRequestPolicy;
#endif
/**
* HildonPannableArea:
*
* HildonPannableArea has no publicly accessible fields
*/
typedef struct _HildonPannableArea HildonPannableArea;
typedef struct _HildonPannableAreaClass HildonPannableAreaClass;
typedef struct _HildonPannableAreaPrivate HildonPannableAreaPrivate;
struct _HildonPannableArea
{
GtkBin parent;
/* private */
HildonPannableAreaPrivate *priv;
};
struct _HildonPannableAreaClass
{
GtkBinClass parent_class;
void (* horizontal_movement) (HildonPannableArea *area,
HildonMovementDirection direction,
gdouble x, gdouble y);
void (* vertical_movement) (HildonPannableArea *area,
HildonMovementDirection direction,
gdouble x, gdouble y);
};
GType hildon_pannable_area_get_type (void);
GtkWidget* hildon_pannable_area_new (void);
GtkWidget* hildon_pannable_area_new_full (gint mode, gboolean enabled,
gdouble vel_min, gdouble vel_max,
gdouble decel, guint sps);
void hildon_pannable_area_add_with_viewport (HildonPannableArea *area,
GtkWidget *child);
void hildon_pannable_area_scroll_to (HildonPannableArea *area,
const gint x, const gint y);
void hildon_pannable_area_jump_to (HildonPannableArea *area,
const gint x, const gint y);
void hildon_pannable_area_scroll_to_child (HildonPannableArea *area,
GtkWidget *child);
void hildon_pannable_area_jump_to_child (HildonPannableArea *area,
GtkWidget *child);
GtkWidget* hildon_pannable_get_child_widget_at (HildonPannableArea *area,
gdouble x, gdouble y);
#ifndef HILDON_DISABLE_DEPRECATED
HildonSizeRequestPolicy hildon_pannable_area_get_size_request_policy (HildonPannableArea *area);
void hildon_pannable_area_set_size_request_policy (HildonPannableArea *area,
HildonSizeRequestPolicy size_request_policy);
#endif
GtkAdjustment* hildon_pannable_area_get_hadjustment (HildonPannableArea *area);
GtkAdjustment* hildon_pannable_area_get_vadjustment (HildonPannableArea *area);
gboolean hildon_pannable_area_get_center_on_child_focus (HildonPannableArea *area);
void hildon_pannable_area_set_center_on_child_focus (HildonPannableArea *area,
gboolean value);
G_END_DECLS
#endif /* _HILDON_PANNABLE_AREA */
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