src/ui/widget/imagetoggler.cpp

   1 /*
   2  * Authors:
   3  *   Jon A. Cruz
   4  *   Johan B. C. Engelen
   5  *
   6  * Copyright (C) 2006-2008 Authors
   7  *
   8  * Released under GNU GPL, read the file 'COPYING' for more information
   9  */
  10
  11
  12 #include "ui/widget/imagetoggler.h"
  13
  14 #include <gtkmm/icontheme.h>
  15
  16 #include "widgets/icon.h"
  17
  18 namespace Inkscape {
  19 namespace UI {
  20 namespace Widget {
  21
  22 ImageToggler::ImageToggler( char const* on, char const* off) :
  23     Glib::ObjectBase(typeid(ImageToggler)),
  24     Gtk::CellRendererPixbuf(),
  25     _pixOnName(on),
  26     _pixOffName(off),
  27     _property_active(*this, "active", false),
  28     _property_activatable(*this, "activatable", true),
  29     _property_pixbuf_on(*this, "pixbuf_on", Glib::RefPtr<Gdk::Pixbuf>(0)),
  30     _property_pixbuf_off(*this, "pixbuf_off", Glib::RefPtr<Gdk::Pixbuf>(0))
  31 {
  32     property_mode() = Gtk::CELL_RENDERER_MODE_ACTIVATABLE;
  33     int phys = sp_icon_get_phys_size((int)Inkscape::ICON_SIZE_DECORATION);
  34     Glib::RefPtr<Gtk::IconTheme> icon_theme = Gtk::IconTheme::get_default();
  35
  36     if (icon_theme->has_icon(_pixOnName)) {
  37         _property_pixbuf_on = icon_theme->load_icon(_pixOnName, phys, (Gtk::IconLookupFlags)0);
  38     }
  39
  40     if (icon_theme->has_icon(_pixOffName)) {
  41         _property_pixbuf_off = icon_theme->load_icon(_pixOffName, phys, (Gtk::IconLookupFlags)0);
  42     }
  43
  44     property_pixbuf() = _property_pixbuf_off.get_value();
  45 }
  46
  47 void
  48 ImageToggler::get_size_vfunc( Gtk::Widget& widget,
  49                              const Gdk::Rectangle* cell_area,
  50                              int* x_offset,
  51                              int* y_offset,
  52                              int* width,
  53                              int* height ) const
  54 {
  55     Gtk::CellRendererPixbuf::get_size_vfunc( widget, cell_area, x_offset, y_offset, width, height );
  56
  57     if ( width ) {
  58         *width += (*width) >> 1;
  59     }
  60     if ( height ) {
  61         *height += (*height) >> 1;
  62     }
  63 }
  64
  65
  66 void
  67 ImageToggler::render_vfunc( const Glib::RefPtr<Gdk::Drawable>& window,
  68                            Gtk::Widget& widget,
  69                            const Gdk::Rectangle& background_area,
  70                            const Gdk::Rectangle& cell_area,
  71                            const Gdk::Rectangle& expose_area,
  72                            Gtk::CellRendererState flags )
  73 {
  74     property_pixbuf() = _property_active.get_value() ? _property_pixbuf_on : _property_pixbuf_off;
  75     Gtk::CellRendererPixbuf::render_vfunc( window, widget, background_area, cell_area, expose_area, flags );
  76 }
  77
  78 bool
  79 ImageToggler::activate_vfunc(GdkEvent* event,
  80                             Gtk::Widget& /*widget*/,
  81                             const Glib::ustring& path,
  82                             const Gdk::Rectangle& /*background_area*/,
  83                             const Gdk::Rectangle& /*cell_area*/,
  84                             Gtk::CellRendererState /*flags*/)
  85 {
  86     _signal_pre_toggle.emit(event);
  87     _signal_toggled.emit(path);
  88
  89     return false;
  90 }
  91
  92
  93 } // namespace Widget
  94 } // namespace UI
  95 } // namespace Inkscape
  96
  97 /*
  98   Local Variables:
  99   mode:c++
 100   c-file-style:"stroustrup"
 101   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 102   indent-tabs-mode:nil
 103   fill-column:99
 104   End:
 105 */
 106 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
 107
 108