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

   1 /*
   2  *  view-object.h
   3  *  Copyright (C) 2001-2009  Jim Evins <evins@snaught.com>.
   4  *
   5  *  This file is part of gLabels.
   6  *
   7  *  gLabels is free software: you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation, either version 3 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  gLabels is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with gLabels.  If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #ifndef __VIEW_OBJECT_H__
  22 #define __VIEW_OBJECT_H__
  23
  24 #include <glib-object.h>
  25 #include "label-object.h"
  26
  27 typedef enum {
  28         GL_VIEW_OBJECT_HANDLES_BOX,
  29         GL_VIEW_OBJECT_HANDLES_LINE,
  30 } glViewObjectHandlesStyle;
  31
  32 typedef enum {
  33         GL_VIEW_OBJECT_HANDLE_NONE = 0,
  34         GL_VIEW_OBJECT_HANDLE_N,
  35         GL_VIEW_OBJECT_HANDLE_E,
  36         GL_VIEW_OBJECT_HANDLE_W,
  37         GL_VIEW_OBJECT_HANDLE_S,
  38         GL_VIEW_OBJECT_HANDLE_NW,
  39         GL_VIEW_OBJECT_HANDLE_NE,
  40         GL_VIEW_OBJECT_HANDLE_SE,
  41         GL_VIEW_OBJECT_HANDLE_SW,
  42         GL_VIEW_OBJECT_HANDLE_P1,
  43         GL_VIEW_OBJECT_HANDLE_P2,
  44 } glViewObjectHandle;
  45
  46
  47 #define GL_TYPE_VIEW_OBJECT              (gl_view_object_get_type ())
  48 #define GL_VIEW_OBJECT(obj)              (G_TYPE_CHECK_INSTANCE_CAST ((obj), GL_TYPE_VIEW_OBJECT, glViewObject))
  49 #define GL_VIEW_OBJECT_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), GL_TYPE_VIEW_OBJECT, glViewObjectClass))
  50 #define GL_IS_VIEW_OBJECT(obj)           (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GL_TYPE_VIEW_OBJECT))
  51 #define GL_IS_VIEW_OBJECT_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GL_TYPE_VIEW_OBJECT))
  52 #define GL_VIEW_OBJECT_GET_CLASS(object) (G_TYPE_INSTANCE_GET_CLASS ((object), GL_TYPE_VIEW_OBJECT, glViewObjectClass))
  53
  54 typedef struct _glViewObject          glViewObject;
  55 typedef struct _glViewObjectClass     glViewObjectClass;
  56
  57 typedef struct _glViewObjectPrivate   glViewObjectPrivate;
  58
  59
  60 #include "view.h"
  61
  62 #include "cairo.h"
  63
  64 struct _glViewObject {
  65         GObject               parent_object;
  66
  67         glViewObjectPrivate  *priv;
  68 };
  69
  70 struct _glViewObjectClass {
  71         GObjectClass          parent_class;
  72
  73         /*
  74          * Methods
  75          */
  76
  77         GtkWidget * (*construct_editor) (glViewObject *view_object);
  78
  79         gboolean    (*object_at)        (glViewObject *view_object,
  80                                          cairo_t      *cr,
  81                                          gdouble       x_device,
  82                                          gdouble       y_device);
  83 };
  84
  85
  86
  87
  88 G_BEGIN_DECLS
  89
  90 GType              gl_view_object_get_type          (void) G_GNUC_CONST;
  91
  92 GObject           *gl_view_object_new               (void);
  93
  94
  95 void               gl_view_object_set_view          (glViewObject             *view_object,
  96                                                      glView                   *view);
  97
  98 void               gl_view_object_set_object        (glViewObject             *view_object,
  99                                                      glLabelObject            *object,
 100                                                      glViewObjectHandlesStyle  style);
 101
 102 gboolean           gl_view_object_at                (glViewObject             *view_object,
 103                                                      cairo_t                  *cr,
 104                                                      gdouble                   x,
 105                                                      gdouble                   y);
 106
 107 void               gl_view_object_draw_handles      (glViewObject             *view_object,
 108                                                      cairo_t                  *cr);
 109
 110 glViewObjectHandle gl_view_object_handle_at         (glViewObject             *view_object,
 111                                                      cairo_t                  *cr,
 112                                                      gdouble                   x,
 113                                                      gdouble                   y);
 114
 115 glView            *gl_view_object_get_view          (glViewObject             *view_object);
 116
 117 glLabelObject     *gl_view_object_get_object        (glViewObject             *view_object);
 118
 119 GtkWidget         *gl_view_object_get_editor        (glViewObject             *view_object);
 120
 121 void               gl_view_object_select            (glViewObject             *view_object);
 122
 123 void               gl_view_object_resize_event      (glViewObject             *view_object,
 124                                                      glViewObjectHandle        handle,
 125                                                      gboolean                  honor_aspect,
 126                                                      cairo_t                  *cr,
 127                                                      gdouble                   x,
 128                                                      gdouble                   y);
 129
 130
 131 G_END_DECLS
 132
 133 #endif /* __VIEW_OBJECT_H__ */
 134
 135
 136
 137 /*
 138  * Local Variables:       -- emacs
 139  * mode: C                -- emacs
 140  * c-basic-offset: 8      -- emacs
 141  * tab-width: 8           -- emacs
 142  * indent-tabs-mode: nil  -- emacs
 143  * End:                   -- emacs
 144  */