/**
* Sets up the block bar.
*/
GtkBlockBar::GtkBlockBar() :
//The GType name will actually be gtkmm__CustomObject_BlockBar
Glib::ObjectBase("BlockBar"),
Gtk::Widget()
{
set_has_window(true);
}
GrBx::Area::Area (Gtk::Adjustment &_hadjustment, Gtk::Adjustment &_vadjustment)
: hadjustment (_hadjustment),
vadjustment (_vadjustment),
sx (1),
sy (1)
{
set_has_window (false);
hadjustment.signal_value_changed ().connect (sigc::mem_fun (*this, &GrBx::Area::on_adjustment_value_changed));
vadjustment.signal_value_changed ().connect (sigc::mem_fun (*this, &GrBx::Area::on_adjustment_value_changed));
}
Image::Image(const Glib::RefPtr<Post> &post_,
const std::shared_ptr<ImageFetcher>& image_fetcher,
sigc::slot<void, const ImageState&> state_change_callback) :
Gtk::Bin(),
post(post_),
event_box(Gtk::manage(new Gtk::EventBox())),
image(Gtk::manage(new Gtk::Image())),
image_state(NONE),
is_changing_state(false),
scaled_width(-1),
scaled_height(-1),
is_scaled(false),
am_fetching_thumb(false),
am_fetching_image(false),
canceller(std::make_shared<Canceller>()),
ifetcher(image_fetcher)
{
set_has_window(false);
set_redraw_on_allocate(false);
set_name("imagewindow");
event_box->set_events(Gdk::BUTTON_PRESS_MASK);
event_box->set_visible_window(false);
event_box->signal_button_press_event().connect( sigc::mem_fun(*this, &Image::on_image_click) );
image->set_name("image");
image->set_halign(Gtk::ALIGN_START);
image->set_valign(Gtk::ALIGN_START);
event_box->add(*image);
add(*event_box);
state_changed_dispatcher.connect(sigc::mem_fun(*this,
&Image::run_state_changed_callbacks));
signal_state_changed.connect(state_change_callback);
if (post->has_image()) {
std::string ext = post->get_image_ext();
if (ext.compare(".gif") == 0) {
fetch_image();
} else {
fetch_thumbnail();
}
} else {
g_error("Horizon::Image created for post %" G_GINT64_FORMAT
" that has no image.",
post->get_id());
}
image->signal_unmap() .connect(sigc::mem_fun(*this, &Image::on_image_unmap));
image->signal_unrealize().connect(sigc::mem_fun(*this, &Image::on_image_unrealize));
image->signal_draw() .connect(sigc::mem_fun(*this, &Image::on_image_draw), false);
}
MyWidget::MyWidget() :
//The GType name will actually be gtkmm__CustomObject_mywidget
Glib::ObjectBase("mywidget"),
Gtk::Widget(),
m_scale(1000)
{
set_has_window(true);
//This shows the GType name, which must be used in the CSS file.
std::cout << "GType name: " << G_OBJECT_TYPE_NAME(gobj()) << std::endl;
//This shows that the GType still derives from GtkWidget:
//std::cout << "Gtype is a GtkWidget?:" << GTK_IS_WIDGET(gobj()) << std::endl;
//Install a style so that an aspect of this widget may be themed via a CSS
//style sheet file:
gtk_widget_class_install_style_property(GTK_WIDGET_CLASS(
G_OBJECT_GET_CLASS(gobj())),
g_param_spec_int("example_scale",
"Scale of Example Drawing",
"The scale to use when drawing. This is just a silly example.",
G_MININT,
G_MAXINT,
500,
G_PARAM_READABLE) );
m_refStyleProvider = Gtk::CssProvider::create();
Glib::RefPtr<Gtk::StyleContext> refStyleContext = get_style_context();
refStyleContext->add_provider(m_refStyleProvider,
GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
try
{
m_refStyleProvider->load_from_path("custom_gtk.css");
}
catch(const Glib::Error& ex)
{
std::cerr << "Gtk::CssProvider::load_from_path() failed: " << ex.what() << std::endl;
}
}
ButtonBar::ButtonBar()
{
set_orientation (Gtk::ORIENTATION_HORIZONTAL);
set_has_window (false);
}
