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66 lines
2.6 KiB
C
66 lines
2.6 KiB
C
/*
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* Copyright (C) 2012, One Laptop Per Child.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Author(s): Carlos Garnacho <carlos@lanedo.com>
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*/
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#if !defined (__SUGAR_CONTROLLERS_H_INSIDE__) && !defined (SUGAR_TOOLKIT_COMPILATION)
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#error "Only <sugar/event-controller/sugar-event-controllers.h> can be included directly."
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#endif
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#ifndef __SUGAR_ZOOM_CONTROLLER_H__
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#define __SUGAR_ZOOM_CONTROLLER_H__
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#include "sugar-touch-controller.h"
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#include <gtk/gtk.h>
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G_BEGIN_DECLS
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#define SUGAR_TYPE_ZOOM_CONTROLLER (sugar_zoom_controller_get_type ())
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#define SUGAR_ZOOM_CONTROLLER(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), SUGAR_TYPE_ZOOM_CONTROLLER, SugarZoomController))
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#define SUGAR_ZOOM_CONTROLLER_CLASS(k) (G_TYPE_CHECK_CLASS_CAST ((k), SUGAR_TYPE_ZOOM_CONTROLLER, SugarZoomControllerClass))
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#define SUGAR_IS_ZOOM_CONTROLLER(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), SUGAR_TYPE_ZOOM_CONTROLLER))
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#define SUGAR_IS_ZOOM_CONTROLLER_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), SUGAR_TYPE_ZOOM_CONTROLLER))
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#define SUGAR_ZOOM_CONTROLLER_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), SUGAR_TYPE_ZOOM_CONTROLLER, SugarZoomControllerClass))
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typedef struct _SugarZoomController SugarZoomController;
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typedef struct _SugarZoomControllerClass SugarZoomControllerClass;
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struct _SugarZoomController
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{
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SugarTouchController parent_instance;
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gpointer _priv;
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};
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struct _SugarZoomControllerClass
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{
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SugarTouchControllerClass parent_class;
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void (* scale_changed) (SugarZoomController *controller,
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gdouble scale);
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};
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GType sugar_zoom_controller_get_type (void) G_GNUC_CONST;
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SugarEventController * sugar_zoom_controller_new (void);
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gboolean sugar_zoom_controller_get_scale_delta (SugarZoomController *controller,
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gdouble *scale);
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G_END_DECLS
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#endif /* __SUGAR_ZOOM_CONTROLLER_H__ */
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