git.sur5r.net Git - glabels/blob - src/view-object.h

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- */
   2
   3 /*
   4  *  (GLABELS) Label and Business Card Creation program for GNOME
   5  *
   6  *  view_object.h:  GLabels canvas item wrapper widget
   7  *
   8  *  Copyright (C) 2001-2007  Jim Evins <evins@snaught.com>.
   9  *
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 2 of the License, or
  13  *  (at your option) any later version.
  14  *
  15  *  This program is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU General Public License for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License
  21  *  along with this program; if not, write to the Free Software
  22  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  23  */
  24
  25 #ifndef __VIEW_OBJECT_H__
  26 #define __VIEW_OBJECT_H__
  27
  28 #include <glib-object.h>
  29 #include "label-object.h"
  30
  31 typedef enum {
  32         GL_VIEW_OBJECT_HANDLES_BOX,
  33         GL_VIEW_OBJECT_HANDLES_LINE,
  34 } glViewObjectHandlesStyle;
  35
  36 typedef enum {
  37         GL_VIEW_OBJECT_HANDLE_NONE = 0,
  38         GL_VIEW_OBJECT_HANDLE_N,
  39         GL_VIEW_OBJECT_HANDLE_E,
  40         GL_VIEW_OBJECT_HANDLE_W,
  41         GL_VIEW_OBJECT_HANDLE_S,
  42         GL_VIEW_OBJECT_HANDLE_NW,
  43         GL_VIEW_OBJECT_HANDLE_NE,
  44         GL_VIEW_OBJECT_HANDLE_SE,
  45         GL_VIEW_OBJECT_HANDLE_SW,
  46         GL_VIEW_OBJECT_HANDLE_P1,
  47         GL_VIEW_OBJECT_HANDLE_P2,
  48 } glViewObjectHandle;
  49
  50
  51 #define GL_TYPE_VIEW_OBJECT              (gl_view_object_get_type ())
  52 #define GL_VIEW_OBJECT(obj)              (G_TYPE_CHECK_INSTANCE_CAST ((obj), GL_TYPE_VIEW_OBJECT, glViewObject))
  53 #define GL_VIEW_OBJECT_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), GL_TYPE_VIEW_OBJECT, glViewObjectClass))
  54 #define GL_IS_VIEW_OBJECT(obj)           (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GL_TYPE_VIEW_OBJECT))
  55 #define GL_IS_VIEW_OBJECT_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GL_TYPE_VIEW_OBJECT))
  56 #define GL_VIEW_OBJECT_GET_CLASS(object) (G_TYPE_INSTANCE_GET_CLASS ((object), GL_TYPE_VIEW_OBJECT, glViewObjectClass))
  57
  58 typedef struct _glViewObject          glViewObject;
  59 typedef struct _glViewObjectClass     glViewObjectClass;
  60
  61 typedef struct _glViewObjectPrivate   glViewObjectPrivate;
  62
  63
  64 #include "view.h"
  65
  66 #include "cairo.h"
  67
  68 struct _glViewObject {
  69         GObject               parent_object;
  70
  71         glViewObjectPrivate  *priv;
  72 };
  73
  74 struct _glViewObjectClass {
  75         GObjectClass          parent_class;
  76
  77         /*
  78          * Methods
  79          */
  80
  81         GtkWidget * (*construct_editor) (glViewObject *view_object);
  82
  83         gboolean    (*object_at)        (glViewObject *view_object,
  84                                          cairo_t      *cr,
  85                                          gdouble       x_device,
  86                                          gdouble       y_device);
  87 };
  88
  89
  90
  91
  92 G_BEGIN_DECLS
  93
  94 GType              gl_view_object_get_type          (void) G_GNUC_CONST;
  95
  96 GObject           *gl_view_object_new               (void);
  97
  98
  99 void               gl_view_object_set_view          (glViewObject             *view_object,
 100                                                      glView                   *view);
 101
 102 void               gl_view_object_set_object        (glViewObject             *view_object,
 103                                                      glLabelObject            *object,
 104                                                      glViewObjectHandlesStyle  style);
 105
 106 gboolean           gl_view_object_at                (glViewObject             *view_object,
 107                                                      cairo_t                  *cr,
 108                                                      gdouble                   x,
 109                                                      gdouble                   y);
 110
 111 void               gl_view_object_draw_handles      (glViewObject             *view_object,
 112                                                      cairo_t                  *cr);
 113
 114 glViewObjectHandle gl_view_object_handle_at         (glViewObject             *view_object,
 115                                                      cairo_t                  *cr,
 116                                                      gdouble                   x,
 117                                                      gdouble                   y);
 118
 119 glView            *gl_view_object_get_view          (glViewObject             *view_object);
 120
 121 glLabelObject     *gl_view_object_get_object        (glViewObject             *view_object);
 122
 123 GtkWidget         *gl_view_object_get_editor        (glViewObject             *view_object);
 124
 125 void               gl_view_object_select            (glViewObject             *view_object);
 126
 127 void               gl_view_object_resize_event      (glViewObject             *view_object,
 128                                                      glViewObjectHandle        handle,
 129                                                      gboolean                  honor_aspect,
 130                                                      cairo_t                  *cr,
 131                                                      gdouble                   x,
 132                                                      gdouble                   y);
 133
 134
 135 G_END_DECLS
 136
 137 #endif /* __VIEW_OBJECT_H__ */