97 lines
2.8 KiB
C
97 lines
2.8 KiB
C
/*
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* mx-focusable: An interface for actors than can accept keyboard focus
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*
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* Copyright 2010 Intel Corporation
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU Lesser General Public License,
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* version 2.1, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
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* more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Written by: Thomas Wood <thomas.wood@intel.com>
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*
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*/
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#if !defined(MX_H_INSIDE) && !defined(MX_COMPILATION)
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#error "Only <mx/mx.h> can be included directly.h"
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#endif
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#ifndef _MX_FOCUSABLE_H
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#define _MX_FOCUSABLE_H
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#include <glib-object.h>
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G_BEGIN_DECLS
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#define MX_TYPE_FOCUSABLE mx_focusable_get_type()
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#define MX_FOCUSABLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), MX_TYPE_FOCUSABLE, MxFocusable))
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#define MX_IS_FOCUSABLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), MX_TYPE_FOCUSABLE))
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#define MX_FOCUSABLE_GET_INTERFACE(inst) (G_TYPE_INSTANCE_GET_INTERFACE ((inst), MX_TYPE_FOCUSABLE, MxFocusableIface))
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/**
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* MxFocusable:
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*
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* This is an opaque structure whose members cannot be directly accessed.
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*/
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typedef struct _MxFocusable MxFocusable; /* dummy */
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typedef struct _MxFocusableIface MxFocusableIface;
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typedef enum
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{
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MX_FOCUS_DIRECTION_OUT,
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MX_FOCUS_DIRECTION_UP,
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MX_FOCUS_DIRECTION_DOWN,
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MX_FOCUS_DIRECTION_LEFT,
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MX_FOCUS_DIRECTION_RIGHT,
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MX_FOCUS_DIRECTION_NEXT,
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MX_FOCUS_DIRECTION_PREVIOUS
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} MxFocusDirection;
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typedef enum
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{
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MX_FOCUS_HINT_FIRST,
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MX_FOCUS_HINT_LAST,
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MX_FOCUS_HINT_PRIOR,
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MX_FOCUS_HINT_FROM_ABOVE,
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MX_FOCUS_HINT_FROM_BELOW,
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MX_FOCUS_HINT_FROM_LEFT,
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MX_FOCUS_HINT_FROM_RIGHT
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} MxFocusHint;
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struct _MxFocusableIface
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{
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GObjectClass parent_class;
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MxFocusable* (*accept_focus) (MxFocusable *focusable,
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MxFocusHint hint);
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MxFocusable* (*move_focus) (MxFocusable *focusable,
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MxFocusDirection direction,
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MxFocusable *from);
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};
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GType mx_focusable_get_type (void) G_GNUC_CONST;
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MxFocusable* mx_focusable_move_focus (MxFocusable *focusable,
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MxFocusDirection direction,
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MxFocusable *from);
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MxFocusable* mx_focusable_accept_focus (MxFocusable *focusable,
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MxFocusHint hint);
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MxFocusHint mx_focus_hint_from_direction (MxFocusDirection direction);
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G_END_DECLS
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#endif /* _MX_FOCUSABLE_H */
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