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Viewing changes to src/gui/timeline/timeline_canvas.h

  • Committer: Bazaar Package Importer
  • Author(s): Daniel Kobras
  • Date: 2002-04-09 17:14:12 UTC
  • Revision ID: james.westby@ubuntu.com-20020409171412-jzpnov7mbz2w6zsr
Tags: upstream-0.6.2
Import upstream version 0.6.2

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src/gui/timeline/timeline_canvas.h
 
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#ifndef _TIMELINE_CANVAS_H
 
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#define _TIMELINE_CANVAS_H
 
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/*
 
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 * timeline_canvas.h
 
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 *
 
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 * $Id: timeline_canvas.h,v 1.2 2001/07/30 09:12:46 xwolf Exp $
 
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 *
 
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 * Copyright (C) 2001 Richard Guenther
 
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 *
 
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 * This program is free software; you can redistribute it and/or modify
 
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 * it under the terms of the GNU General Public License as published by
 
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 * the Free Software Foundation; either version 2 of the License, or
 
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 * (at your option) any later version.
 
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 *
 
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 * This program 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
 
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 * GNU General Public License for more details.
 
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 *
 
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 * You should have received a copy of the GNU General Public License
 
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 * along with this program; if not, write to the Free Software
 
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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 *
 
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 */
 
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#ifdef HAVE_CONFIG_H
 
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#include <config.h>
 
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#endif
 
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#include <gnome.h>
 
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#include "gpsm.h"
 
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/* Types
 
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 */
 
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struct _TimelineCanvasClass;
 
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struct _TimelineCanvas;
 
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typedef struct _TimelineCanvasClass TimelineCanvasClass;
 
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typedef struct _TimelineCanvas TimelineCanvas;
 
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struct _TimelineCanvasItemClass;
 
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struct _TimelineCanvasItem;
 
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typedef struct _TimelineCanvasItemClass TimelineCanvasItemClass;
 
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typedef struct _TimelineCanvasItem TimelineCanvasItem;
 
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struct _TimelineCanvasGroupClass;
 
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struct _TimelineCanvasGroup;
 
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typedef struct _TimelineCanvasGroupClass TimelineCanvasGroupClass;
 
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typedef struct _TimelineCanvasGroup TimelineCanvasGroup;
 
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struct _TimelineCanvasFileClass;
 
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struct _TimelineCanvasFile;
 
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typedef struct _TimelineCanvasFileClass TimelineCanvasFileClass;
 
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typedef struct _TimelineCanvasFile TimelineCanvasFile;
 
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/* GTK Type defines
 
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 */
 
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#ifndef G_OBJECT_GET_CLASS
 
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#define G_OBJECT_GET_CLASS(object) ((GTK_OBJECT(object))->klass)
 
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#endif
 
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/* TimelineCanvas */
 
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#define TIMELINE_CANVAS_TYPE (timeline_canvas_get_type())
 
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#define TIMELINE_CANVAS(object) (GTK_CHECK_CAST((object), TIMELINE_CANVAS_TYPE, TimelineCanvas))
 
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#define TIMELINE_CANVAS_CLASS(object) (GTK_CHECK_CLASS_CAST((object), TIMELINE_CANVAS_TYPE, TimelineCanvasClass))
 
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#define TIMELINE_IS_CANVAS(object) (GTK_CHECK_TYPE((object), TIMELINE_CANVAS_TYPE))
 
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#define TIMELINE_IS_CANVAS_CLASS(object) (GTK_CHECK_CLASS_TYPE((object), TIMELINE_CANVAS_TYPE))
 
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#define TIMELINE_CANVAS_GET_CLASS(object) ((TimelineCanvasClass*) (((GtkObject*) (obj))->klass))
 
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/* TimelineCanvasItem */
 
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#define TIMELINE_CANVAS_ITEM_TYPE (timeline_canvas_item_get_type())
 
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#define TIMELINE_CANVAS_ITEM(object) (GTK_CHECK_CAST((object), TIMELINE_CANVAS_ITEM_TYPE, TimelineCanvasItem))
 
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#define TIMELINE_CANVAS_ITEM_CLASS(object) (GTK_CHECK_CLASS_CAST((object), TIMELINE_CANVAS_ITEM_TYPE, TimelineCanvasItemClass))
 
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#define TIMELINE_IS_CANVAS_ITEM(object) (GTK_CHECK_TYPE((object), TIMELINE_CANVAS_ITEM_TYPE))
 
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#define TIMELINE_IS_CANVAS_ITEM_CLASS(object) (GTK_CHECK_CLASS_TYPE((object), TIMELINE_CANVAS_ITEM_TYPE))
 
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#define TIMELINE_CANVAS_ITEM_GET_CLASS(object) ((TimelineCanvasItemClass*) (((GtkObject*) (obj))->klass))
 
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/* TimelineCanvasGroup */
 
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#define TIMELINE_CANVAS_GROUP_TYPE (timeline_canvas_group_get_type())
 
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#define TIMELINE_CANVAS_GROUP(object) (GTK_CHECK_CAST((object), TIMELINE_CANVAS_GROUP_TYPE, TimelineCanvasGroup))
 
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#define TIMELINE_CANVAS_GROUP_CLASS(object) (GTK_CHECK_CLASS_CAST((object), TIMELINE_CANVAS_GROUP_TYPE, TimelineCanvasGroupClass))
 
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#define TIMELINE_IS_CANVAS_GROUP(object) (GTK_CHECK_TYPE((object), TIMELINE_CANVAS_GROUP_TYPE))
 
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#define TIMELINE_IS_CANVAS_GROUP_CLASS(object) (GTK_CHECK_CLASS_TYPE((object), TIMELINE_CANVAS_GROUP_TYPE))
 
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#define TIMELINE_CANVAS_GROUP_GET_CLASS(object) ((TimelineCanvasGroupClass*) (((GtkObject*) (obj))->klass))
 
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/* TimelineCanvasFile */
 
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#define TIMELINE_CANVAS_FILE_TYPE (timeline_canvas_file_get_type())
 
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#define TIMELINE_CANVAS_FILE(object) (GTK_CHECK_CAST((object), TIMELINE_CANVAS_FILE_TYPE, TimelineCanvasFile))
 
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#define TIMELINE_CANVAS_FILE_CLASS(object) (GTK_CHECK_CLASS_CAST((object), TIMELINE_CANVAS_FILE_TYPE, TimelineCanvasFileClass))
 
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#define TIMELINE_IS_CANVAS_FILE(object) (GTK_CHECK_TYPE((object), TIMELINE_CANVAS_FILE_TYPE))
 
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#define TIMELINE_IS_CANVAS_FILE_CLASS(object) (GTK_CHECK_CLASS_TYPE((object), TIMELINE_CANVAS_FILE_TYPE))
 
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#define TIMELINE_CANVAS_FILE_GET_CLASS(object) ((TimelineCanvasFileClass*) (((GtkObject*) (obj))->klass))
 
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/* Cool helpers - less to type */
 
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#define TIMELINE_CI_CANVAS(object) (TIMELINE_CANVAS(GNOME_CANVAS_ITEM(object)->canvas))
 
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#define TIMELINE_CI_GPSM(object) (TIMELINE_CANVAS_ITEM(object)->item)
 
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#define TIMELINE_CI_GROUP(object) (GNOME_CANVAS_GROUP(GNOME_CANVAS_ITEM(object)->parent))
 
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#define TIMELINE_CI_ROOT(object) (gnome_canvas_root(GNOME_CANVAS_ITEM(object)->canvas))
 
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#define TIMELINE_CI_ROOTI(object) GNOME_CANVAS_ITEM(gnome_canvas_root(GNOME_CANVAS_ITEM(object)->canvas))
 
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/* The actual data structures/functions
 
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 */
 
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/* TimelineCanvas
 
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 */
 
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struct _TimelineCanvasClass {
 
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        GnomeCanvasClass parent_class;
 
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};
 
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struct _TimelineCanvas {
 
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        GnomeCanvas parent_object;
 
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        glsig_handler_t *gpsm_handler0;
 
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        glsig_handler_t *gpsm_handler1;
 
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        gpsm_grp_t *root;
 
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        TimelineCanvasItem *active_item;
 
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        TimelineCanvasGroup *active_group;
 
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        /* HACK(s)
 
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        GtkRuler *ruler;
 
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        GtkWidget *window; */
 
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};
 
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/* TimelineCanvasItem
 
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 */
 
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struct _TimelineCanvasItemClass {
 
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        GnomeCanvasGroupClass parent_class;
 
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        void (*update)    (TimelineCanvasItem *item);
 
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        void (*highlight) (TimelineCanvasItem *item, gboolean light);
 
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};
 
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struct _TimelineCanvasItem {
 
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        GnomeCanvasGroup parent_object;
 
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        glsig_handler_t *gpsm_handler;
 
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        gpsm_item_t *item;
 
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};
 
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/* TimelineCanvasGroup
 
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 */
 
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struct _TimelineCanvasGroupClass {
 
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        TimelineCanvasItemClass parent_class;
 
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};
 
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struct _TimelineCanvasGroup {
 
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        TimelineCanvasItem parent_object;
 
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        GnomeCanvasItem *rect;
 
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        GnomeCanvasItem *text;
 
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};
 
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/* TimelineCanvasFile
 
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 */
 
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struct _TimelineCanvasFileClass {
 
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        TimelineCanvasItemClass parent_class;
 
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};
 
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struct _TimelineCanvasFile {
 
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        TimelineCanvasItem parent_object;
 
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        GnomeCanvasItem *rect;
 
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        GnomeCanvasItem *text;
 
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};
 
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/* Public functions.
 
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 */
 
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GtkType timeline_canvas_get_type(void);
 
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TimelineCanvas *timeline_canvas_new(gpsm_grp_t *root);
 
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void timeline_canvas_scale(TimelineCanvas *canvas, double scale);
 
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GtkType timeline_canvas_item_get_type(void);
 
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void timeline_canvas_item_update(TimelineCanvasItem *item);
 
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void timeline_canvas_item_highlight(TimelineCanvasItem *item, gboolean lite);
 
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void timeline_canvas_item_gpsm2w(long hposition, long vposition,
 
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                                 long hsize, long vsize,
 
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                                 int rate,
 
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                                 double *x1, double *y1,
 
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                                 double *x2, double *y2);
 
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void timeline_canvas_item_w2gpsm(long *hposition, long *vposition,
 
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                                 long *hsize, long *vsize,
 
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                                 int rate,
 
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                                 double x1, double y1,
 
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                                 double x2, double y2);
 
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GtkType timeline_canvas_group_get_type(void);
 
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TimelineCanvasGroup *timeline_canvas_group_new(GnomeCanvasGroup *group,
 
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                                               gpsm_grp_t *grp);
 
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GtkType timeline_canvas_file_get_type(void);
 
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TimelineCanvasFile *timeline_canvas_file_new(GnomeCanvasGroup *group,
 
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                                             gpsm_swfile_t *file);
 
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/* Find the Timeline Canvas Item associated with item beyond grp. Only
 
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 * one level is searched, returns NULL, if not found. */
 
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GnomeCanvasItem *timeline_canvas_find_gpsm_item(GnomeCanvasGroup *grp,
 
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                                                gpsm_item_t *item);
 
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#endif