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#include "cellrendererpixbufanimation.hpp"
CellRendererPixbufAnimation::CellRendererPixbufAnimation()
: Glib::ObjectBase(typeid(CellRendererPixbufAnimation))
, Gtk::CellRenderer()
, m_property_pixbuf(*this, "pixbuf")
, m_property_pixbuf_animation(*this, "pixbuf-animation") {
property_mode() = Gtk::CELL_RENDERER_MODE_ACTIVATABLE;
property_xpad() = 2;
property_ypad() = 2;
}
CellRendererPixbufAnimation::~CellRendererPixbufAnimation() {}
Glib::PropertyProxy<Glib::RefPtr<Gdk::Pixbuf>> CellRendererPixbufAnimation::property_pixbuf() {
return m_property_pixbuf.get_proxy();
}
Glib::PropertyProxy<Glib::RefPtr<Gdk::PixbufAnimation>> CellRendererPixbufAnimation::property_pixbuf_animation() {
return m_property_pixbuf_animation.get_proxy();
}
void CellRendererPixbufAnimation::get_preferred_width_vfunc(Gtk::Widget &widget, int &minimum_width, int &natural_width) const {
int width = 0;
if (auto pixbuf = m_property_pixbuf_animation.get_value())
width = pixbuf->get_width();
else if (auto pixbuf = m_property_pixbuf.get_value())
width = pixbuf->get_width();
int xpad, ypad;
get_padding(xpad, ypad);
minimum_width = natural_width = xpad * 2 + width;
}
void CellRendererPixbufAnimation::get_preferred_width_for_height_vfunc(Gtk::Widget &widget, int height, int &minimum_width, int &natural_width) const {
get_preferred_width_vfunc(widget, minimum_width, natural_width);
}
void CellRendererPixbufAnimation::get_preferred_height_vfunc(Gtk::Widget &widget, int &minimum_height, int &natural_height) const {
int height = 0;
if (auto pixbuf = m_property_pixbuf_animation.get_value())
height = pixbuf->get_height();
else if (auto pixbuf = m_property_pixbuf.get_value())
height = pixbuf->get_height();
int xpad, ypad;
get_padding(xpad, ypad);
minimum_height = natural_height = ypad * 2 + height;
}
void CellRendererPixbufAnimation::get_preferred_height_for_width_vfunc(Gtk::Widget &widget, int width, int &minimum_height, int &natural_height) const {
get_preferred_height_vfunc(widget, minimum_height, natural_height);
}
void CellRendererPixbufAnimation::render_vfunc(const Cairo::RefPtr<Cairo::Context> &cr,
Gtk::Widget &widget,
const Gdk::Rectangle &background_area,
const Gdk::Rectangle &cell_area,
Gtk::CellRendererState flags) {
Gtk::Requisition minimum, natural;
get_preferred_size(widget, minimum, natural);
int xpad, ypad;
get_padding(xpad, ypad);
int pix_x = cell_area.get_x() + xpad;
int pix_y = cell_area.get_y() + ypad;
natural.width -= xpad * 2;
natural.height -= ypad * 2;
Gdk::Rectangle pix_rect(pix_x, pix_y, natural.width, natural.height);
if (!cell_area.intersects(pix_rect))
return;
if (auto anim = m_property_pixbuf_animation.get_value()) {
auto map_iter = m_pixbuf_animation_iters.find(anim);
if (map_iter == m_pixbuf_animation_iters.end())
m_pixbuf_animation_iters[anim] = anim->get_iter(nullptr);
auto pb_iter = m_pixbuf_animation_iters.at(anim);
const auto cb = [this, &widget, anim] {
if (m_pixbuf_animation_iters.at(anim)->advance())
widget.queue_draw();
};
Glib::signal_timeout().connect_once(sigc::track_obj(cb, widget), pb_iter->get_delay_time());
Gdk::Cairo::set_source_pixbuf(cr, pb_iter->get_pixbuf(), pix_x, pix_y);
cr->rectangle(pix_x, pix_y, natural.width, natural.height);
cr->fill();
} else if (auto pixbuf = m_property_pixbuf.get_value()) {
Gdk::Cairo::set_source_pixbuf(cr, pixbuf, pix_x, pix_y);
cr->rectangle(pix_x, pix_y, natural.width, natural.height);
cr->fill();
}
}
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