1. ----------------------------------------------------------------------- 
  2. --               GtkAda - Ada95 binding for Gtk+/Gnome               -- 
  3. --                                                                   -- 
  4. --                Copyright (C) 2000-2006 AdaCore                    -- 
  5. --                                                                   -- 
  6. -- This library is free software; you can redistribute it and/or     -- 
  7. -- modify it under the terms of the GNU General Public               -- 
  8. -- License as published by the Free Software Foundation; either      -- 
  9. -- version 2 of the License, or (at your option) any later version.  -- 
  10. --                                                                   -- 
  11. -- This library is distributed in the hope that it will be useful,   -- 
  12. -- but WITHOUT ANY WARRANTY; without even the implied warranty of    -- 
  13. -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU -- 
  14. -- General Public License for more details.                          -- 
  15. --                                                                   -- 
  16. -- You should have received a copy of the GNU General Public         -- 
  17. -- License along with this library; if not, write to the             -- 
  18. -- Free Software Foundation, Inc., 59 Temple Place - Suite 330,      -- 
  19. -- Boston, MA 02111-1307, USA.                                       -- 
  20. --                                                                   -- 
  21. -- As a special exception, if other files instantiate generics from  -- 
  22. -- this unit, or you link this unit with other files to produce an   -- 
  23. -- executable, this  unit  does not  by itself cause  the resulting  -- 
  24. -- executable to be covered by the GNU General Public License. This  -- 
  25. -- exception does not however invalidate any other reasons why the   -- 
  26. -- executable file  might be covered by the  GNU Public License.     -- 
  27. ----------------------------------------------------------------------- 
  28.  
  29. --  <description> 
  30. --  A special kind of child that can be put in a Gtk_Plot_Canvas. 
  31. --  </description> 
  32. --  <c_version>gtkextra 2.1.1</c_version> 
  33. --  <group>Plotting Data</group> 
  34.  
  35. with Gdk.Color; 
  36. with Gtk.Extra.Plot_Data; 
  37.  
  38. package Gtk.Extra.Plot_Canvas.Line is 
  39.  
  40.    type Gtk_Plot_Canvas_Line_Record is new Gtk_Plot_Canvas_Child_Record 
  41.      with null record; 
  42.    type Gtk_Plot_Canvas_Line is access all Gtk_Plot_Canvas_Line_Record'Class; 
  43.  
  44.    type Plot_Canvas_Arrow is new Gint; 
  45.    Arrow_None   : constant Plot_Canvas_Arrow := 0; 
  46.    Arrow_Origin : constant Plot_Canvas_Arrow := 1; 
  47.    Arrow_End    : constant Plot_Canvas_Arrow := 2; 
  48.  
  49.    procedure Gtk_New 
  50.      (Child      : out Gtk_Plot_Canvas_Line; 
  51.       Style      : Gtk.Extra.Plot_Data.Plot_Line_Style; 
  52.       Width      : Gfloat; 
  53.       Color      : Gdk.Color.Gdk_Color; 
  54.       Arrow_Mask : Plot_Canvas_Arrow); 
  55.    --  Create a new line child 
  56.  
  57.    function Get_Type return Glib.GType; 
  58.    --  Return the internal type used for this child 
  59.  
  60.    procedure Set_Arrow 
  61.      (Line   : access Gtk_Plot_Canvas_Line_Record; 
  62.       Style  : Gtk.Extra.Plot_Data.Plot_Symbol_Style; 
  63.       Width  : Gfloat; 
  64.       Length : Gfloat; 
  65.       Mask   : Plot_Canvas_Arrow); 
  66.    --  Change the arrow style for this line 
  67.  
  68.    procedure Set_Attributes 
  69.      (Line  : access Gtk_Plot_Canvas_Line_Record; 
  70.       Style : Gtk.Extra.Plot_Data.Plot_Line_Style; 
  71.       Width : Gfloat; 
  72.       Color : Gdk.Color.Gdk_Color); 
  73.    --  Change the attributes of the line 
  74.  
  75. private 
  76.    pragma Import (C, Get_Type, "gtk_plot_canvas_line_get_type"); 
  77. end Gtk.Extra.Plot_Canvas.Line;