synfig-studio/trunk/src/gtkmm/widget_canvaschooser.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file widget_canvaschooser.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id: widget_canvaschooser.cpp,v 1.1.1.1 2005/01/07 03:34:37 darco Exp $
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002 Robert B. Quattlebaum Jr.
   9 **
  10 **      This software and associated documentation
  11 **      are CONFIDENTIAL and PROPRIETARY property of
  12 **      the above-mentioned copyright holder.
  13 **
  14 **      You may not copy, print, publish, or in any
  15 **      other way distribute this software without
  16 **      a prior written agreement with
  17 **      the copyright holder.
  18 **      \endlegal
  19 */
  20 /* ========================================================================= */
  21
  22 /* === H E A D E R S ======================================================= */
  23
  24 #ifdef USING_PCH
  25 #       include "pch.h"
  26 #else
  27 #ifdef HAVE_CONFIG_H
  28 #       include <config.h>
  29 #endif
  30
  31 #include "widget_canvaschooser.h"
  32 #include <gtkmm/menu.h>
  33 #include "app.h"
  34
  35 #endif
  36
  37 /* === U S I N G =========================================================== */
  38
  39 using namespace std;
  40 using namespace etl;
  41 using namespace synfig;
  42 using namespace studio;
  43
  44 /* === M A C R O S ========================================================= */
  45
  46 /* === G L O B A L S ======================================================= */
  47
  48 /* === P R O C E D U R E S ================================================= */
  49
  50 /* === M E T H O D S ======================================================= */
  51
  52 Widget_CanvasChooser::Widget_CanvasChooser()
  53 {
  54 }
  55
  56 Widget_CanvasChooser::~Widget_CanvasChooser()
  57 {
  58 }
  59
  60 void
  61 Widget_CanvasChooser::set_parent_canvas(etl::handle<synfig::Canvas> x)
  62 {
  63         assert(x);
  64         parent_canvas=x;
  65 }
  66
  67 void
  68 Widget_CanvasChooser::set_value_(etl::handle<synfig::Canvas> data)
  69 {
  70         set_value(data);
  71         activate();
  72 }
  73
  74 void
  75 Widget_CanvasChooser::set_value(etl::handle<synfig::Canvas> data)
  76 {
  77         assert(parent_canvas);
  78         canvas=data;
  79
  80         canvas_menu=manage(new class Gtk::Menu());
  81
  82         synfig::Canvas::Children::iterator iter;
  83         synfig::Canvas::Children &children(parent_canvas->children());
  84         String label;
  85
  86         if(canvas)
  87         {
  88                 label=canvas->get_name().empty()?canvas->get_id():canvas->get_name();
  89                 canvas_menu->items().push_back(Gtk::Menu_Helpers::MenuElem(label));
  90         }
  91
  92         for(iter=children.begin();iter!=children.end();iter++)
  93                 if(*iter!=canvas)
  94                 {
  95                         label=(*iter)->get_name().empty()?(*iter)->get_id():(*iter)->get_name();
  96                         canvas_menu->items().push_back(
  97                                 Gtk::Menu_Helpers::MenuElem(
  98                                         label,
  99                                         sigc::bind(
 100                                                 sigc::mem_fun(
 101                                                         *this,
 102                                                         &Widget_CanvasChooser::set_value_
 103                                                 ),
 104                                                 *iter
 105                                         )
 106                                 )
 107                         );
 108                 }
 109         canvas_menu->items().push_back(
 110                 Gtk::Menu_Helpers::MenuElem(
 111                         _("Other..."),
 112                         sigc::mem_fun(*this,&Widget_CanvasChooser::chooser_menu)
 113                 )
 114         );
 115         set_menu(*canvas_menu);
 116
 117         if(canvas)
 118                 set_history(0);
 119 }
 120
 121 const etl::handle<synfig::Canvas> &
 122 Widget_CanvasChooser::get_value()
 123 {
 124         return canvas;
 125 }
 126
 127 void
 128 Widget_CanvasChooser::chooser_menu()
 129 {
 130         String canvas_name;
 131         App::dialog_entry(_("Choose Canvas"),_("Enter the relative name of the canvas that you want"),canvas_name);
 132         Canvas::Handle new_canvas;
 133         try
 134         {
 135                 new_canvas=parent_canvas->find_canvas(canvas_name);
 136                 set_value_(new_canvas);
 137         }
 138         catch(std::runtime_error x)
 139         {
 140                 App::dialog_error_blocking(_("Error:Exception Thrown"),x.what());
 141                 set_value_(canvas);
 142         }
 143         catch(...)
 144         {
 145                 App::dialog_error_blocking(_("Error"),_("Unknown Exception"));
 146                 set_value_(canvas);
 147         }
 148 }