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
  35     Glib::RefPtr<Gdk::Pixbuf> pbmm = Gtk::IconTheme::get_default()->load_icon(_pixOnName, phys, (Gtk::IconLookupFlags)0);
  36     if ( pbmm ) {
  37         GdkPixbuf* pb = gdk_pixbuf_copy(pbmm->gobj());
  38         _property_pixbuf_on = Glib::wrap( pb );
  39         pbmm->unreference();
  40     }
  41
  42     pbmm = Gtk::IconTheme::get_default()->load_icon(_pixOffName, phys, (Gtk::IconLookupFlags)0);
  43     if ( pbmm ) {
  44         GdkPixbuf* pb = gdk_pixbuf_copy(pbmm->gobj());
  45         _property_pixbuf_off = Glib::wrap( pb );
  46         pbmm->unreference();
  47     }
  48
  49     property_pixbuf() = _property_pixbuf_off.get_value();
  50 }
  51
  52 void
  53 ImageToggler::get_size_vfunc( Gtk::Widget& widget,
  54                              const Gdk::Rectangle* cell_area,
  55                              int* x_offset,
  56                              int* y_offset,
  57                              int* width,
  58                              int* height ) const
  59 {
  60     Gtk::CellRendererPixbuf::get_size_vfunc( widget, cell_area, x_offset, y_offset, width, height );
  61
  62     if ( width ) {
  63         *width += (*width) >> 1;
  64     }
  65     if ( height ) {
  66         *height += (*height) >> 1;
  67     }
  68 }
  69
  70
  71 void
  72 ImageToggler::render_vfunc( const Glib::RefPtr<Gdk::Drawable>& window,
  73                            Gtk::Widget& widget,
  74                            const Gdk::Rectangle& background_area,
  75                            const Gdk::Rectangle& cell_area,
  76                            const Gdk::Rectangle& expose_area,
  77                            Gtk::CellRendererState flags )
  78 {
  79     property_pixbuf() = _property_active.get_value() ? _property_pixbuf_on : _property_pixbuf_off;
  80     Gtk::CellRendererPixbuf::render_vfunc( window, widget, background_area, cell_area, expose_area, flags );
  81 }
  82
  83 bool
  84 ImageToggler::activate_vfunc(GdkEvent* event,
  85                             Gtk::Widget& /*widget*/,
  86                             const Glib::ustring& path,
  87                             const Gdk::Rectangle& /*background_area*/,
  88                             const Gdk::Rectangle& /*cell_area*/,
  89                             Gtk::CellRendererState /*flags*/)
  90 {
  91     _signal_pre_toggle.emit(event);
  92     _signal_toggled.emit(path);
  93
  94     return false;
  95 }
  96
  97
  98 } // namespace Widget
  99 } // namespace UI
 100 } // namespace Inkscape
 101
 102 /*
 103   Local Variables:
 104   mode:c++
 105   c-file-style:"stroustrup"
 106   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 107   indent-tabs-mode:nil
 108   fill-column:99
 109   End:
 110 */
 111 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :
 112
 113