app/diagram.h

   1 /* Dia -- an diagram creation/manipulation program
   2  * Copyright (C) 1998 Alexander Larsson
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17  */
  18 #ifndef DIAGRAM_H
  19 #define DIAGRAM_H
  20
  21 #include <gtk/gtk.h>
  22
  23 typedef struct _Diagram Diagram;
  24
  25 #include "geometry.h"
  26 #include "object.h"
  27 #include "handle.h"
  28 #include "connectionpoint.h"
  29 #include "display.h"
  30 #include "diagramdata.h"
  31 #include "undo.h"
  32 #include "filter.h"
  33
  34 struct _Diagram {
  35   char *filename;
  36   int unsaved;            /* True if diagram is created but not saved.*/
  37   int modified;
  38
  39   DiagramData *data;
  40
  41   guint display_count;
  42   GSList *displays;       /* List of all displays showing this diagram */
  43
  44   UndoStack *undo;
  45 };
  46
  47 extern GList *open_diagrams; /* Read only! */
  48
  49 Diagram *diagram_load(const char *filename, DiaImportFilter *ifilter);
  50 int diagram_load_into (Diagram *dest, const char *filename, DiaImportFilter *ifilter);
  51 Diagram *new_diagram(const char *filename); /*Note: filename is copied*/
  52 void diagram_destroy(Diagram *dia);
  53 void diagram_modified(Diagram *dia);
  54 void diagram_set_modified(Diagram *dia, int modified);
  55 void diagram_add_ddisplay(Diagram *dia, DDisplay *ddisp);
  56 void diagram_remove_ddisplay(Diagram *dia, DDisplay *ddisp);
  57 void diagram_add_object(Diagram *dia, Object *obj);
  58 void diagram_add_object_list(Diagram *dia, GList *list);
  59 void diagram_selected_break_external(Diagram *dia);
  60 void diagram_remove_all_selected(Diagram *diagram, int delete_empty);
  61 void diagram_unselect_object(Diagram *diagram, Object *obj);
  62 void diagram_unselect_objects(Diagram *dia, GList *obj_list);
  63 void diagram_select(Diagram *diagram, Object *obj);
  64 void diagram_select_list(Diagram *diagram, GList *list);
  65 int diagram_is_selected(Diagram *diagram, Object *obj);
  66 GList *diagram_get_sorted_selected(Diagram *dia);
  67 /* Removes selected from objects list, NOT selected list: */
  68 GList *diagram_get_sorted_selected_remove(Diagram *dia);
  69 void diagram_add_update(Diagram *dia, Rectangle *update);
  70 void diagram_add_update_all(Diagram *dia);
  71 void diagram_add_update_all_all_and_flush();
  72 void diagram_add_update_pixels(Diagram *dia, Point *point,
  73                                int pixel_width, int pixel_height);
  74 void diagram_flush(Diagram *dia);
  75 Object *diagram_find_clicked_object(Diagram *dia,
  76                                     Point *pos,
  77                                     real maxdist);
  78 real diagram_find_closest_handle(Diagram *dia, Handle **handle,
  79                                  Object **obj, Point *pos);
  80 real diagram_find_closest_connectionpoint(Diagram *dia,
  81                                           ConnectionPoint **cp,
  82                                           Point *pos);
  83 void diagram_update_extents(Diagram *dia);
  84
  85 void diagram_update_menu_sensitivity(Diagram *dia);
  86
  87 void diagram_place_under_selected(Diagram *dia);
  88 void diagram_place_over_selected(Diagram *dia);
  89 void diagram_group_selected(Diagram *dia);
  90 void diagram_ungroup_selected(Diagram *dia);
  91
  92 void diagram_set_filename(Diagram *dia, char *filename);
  93
  94 void diagram_import_from_xfig(Diagram *dia, char *filename);
  95
  96 int diagram_modified_exists(void);
  97
  98 void diagram_redraw_all(void);
  99
 100 #endif /* DIAGRAM_H */
 101
 102