libs/gtkmm2ext/cell_renderer_pixbuf_toggle.cc

   1 /*
   2     Copyright (C) 2009 Paul Davis
   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., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18     $Id: cell_renderer_toggle_pixbuf.cc $
  19 */
  20
  21 #include <iostream>
  22 #include <gtkmm.h>
  23
  24 #include <gtkmm2ext/cell_renderer_pixbuf_toggle.h>
  25
  26 using namespace std;
  27 using namespace Gtk;
  28 using namespace Gdk;
  29 using namespace Glib;
  30 using namespace Gtkmm2ext;
  31
  32
  33 CellRendererPixbufToggle::CellRendererPixbufToggle() :
  34         Glib::ObjectBase( typeid(CellRendererPixbufToggle) ),
  35         Gtk::CellRenderer(),
  36         property_pixbuf_(*this, "pixbuf"),
  37         property_active_(*this, "active", false)
  38 {
  39         property_mode() = Gtk::CELL_RENDERER_MODE_ACTIVATABLE;
  40         property_xpad() = 2;
  41         property_ypad() = 2;
  42         property_sensitive() = false;
  43 }
  44
  45 Glib::PropertyProxy< Glib::RefPtr<Gdk::Pixbuf> >
  46 CellRendererPixbufToggle::property_pixbuf()
  47 {
  48         return property_pixbuf_.get_proxy();
  49 }
  50
  51 Glib::PropertyProxy<bool>
  52 CellRendererPixbufToggle::property_active()
  53 {
  54         return property_active_.get_proxy();
  55 }
  56
  57 // Overridden methods of the parent CellRenderer
  58 Glib::PropertyProxy_Base
  59 CellRendererPixbufToggle::_property_renderable()
  60 {
  61         return property_pixbuf();
  62 }
  63
  64 bool
  65 CellRendererPixbufToggle::activate_vfunc(GdkEvent*, Gtk::Widget&, const Glib::ustring& path, const Gdk::Rectangle&, const Gdk::Rectangle&, Gtk::CellRendererState)
  66 {
  67         signal_toggled_(path);
  68         return true;
  69 }
  70
  71
  72
  73 void
  74 CellRendererPixbufToggle::render_vfunc (const Glib::RefPtr<Gdk::Drawable>& window, Gtk::Widget& /*widget*/, const Gdk::Rectangle& /*background_area*/, const Gdk::Rectangle& cell_area, const Gdk::Rectangle& /*expose_area*/, Gtk::CellRendererState /*flags*/)
  75 {
  76         int offset_width = 0;
  77         int offset_height = 0;
  78
  79         if(property_active() == true){
  80
  81                 offset_width = cell_area.get_x() +  (int)(cell_area.get_width() - inactive_pixbuf->get_width())/2;
  82                 offset_height = cell_area.get_y() + (int)(cell_area.get_height() - inactive_pixbuf->get_height())/2;
  83
  84                 window->draw_pixbuf (RefPtr<GC>(), active_pixbuf, 0, 0, offset_width, offset_height, -1, -1, Gdk::RGB_DITHER_NORMAL, 0, 0);
  85         }
  86         else {
  87                 offset_width = cell_area.get_x() + (int)(cell_area.get_width() - inactive_pixbuf->get_width())/2;
  88                 offset_height = cell_area.get_y() + (int)(cell_area.get_height() - inactive_pixbuf->get_height())/2;
  89
  90                 window->draw_pixbuf (RefPtr<GC>(), inactive_pixbuf, 0, 0, offset_width, offset_height, -1, -1, Gdk::RGB_DITHER_NORMAL, 0, 0);
  91         }
  92 }
  93
  94 void
  95 CellRendererPixbufToggle::get_size_vfunc (Gtk::Widget& /*widget*/, const Gdk::Rectangle* /*cell_area*/, int* /*x_offset*/, int* /*y_offset*/, int* /*width*/, int* /*height*/) const
  96 {
  97 //cerr << "cell_renderer_pixbuf_toggle get_size" << endl;
  98
  99 }
 100
 101 void
 102 CellRendererPixbufToggle::set_active_pixbuf(Glib::RefPtr<Gdk::Pixbuf> pixbuf){
 103         active_pixbuf = pixbuf;
 104 }
 105
 106 void
 107 CellRendererPixbufToggle::set_inactive_pixbuf(Glib::RefPtr<Gdk::Pixbuf> pixbuf){
 108         inactive_pixbuf = pixbuf;
 109 }
 110
 111 CellRendererPixbufToggle::SignalToggled&
 112 CellRendererPixbufToggle::signal_toggled()
 113 {
 114   return signal_toggled_;
 115 }