album_art_component.cc

Go to the documentation of this file.

 
 #include "album_art_component.h"
 
AlbumArtComponent::AlbumArtComponent(Glib::RefPtr<Gtk::Builder> builder) {
    _done_button = builder->get_widget<Gtk::Button>("albumArtDoneButton");
    _viewport = builder->get_widget<Gtk::Viewport>("albumArtViewport");
    _grid = builder->get_widget<Gtk::Grid>("albumArtGrid");
 
    _done_button->signal_clicked().connect(sigc::mem_fun(*this, &AlbumArtComponent::on_done_button_clicked));
}
 
AlbumArtComponent::~AlbumArtComponent() {
    delete _grid;
    delete _viewport;
    delete _done_button;
}
 
AlbumArtComponent::sig_done AlbumArtComponent::signal_done() {
    return _signal_done;
}
 
AlbumArtComponent::sig_art AlbumArtComponent::signal_art() {
    return _signal_art;
}
 
void AlbumArtComponent::set_album_arts(const std::vector<AlbumArtProvider::AlbumArt>& arts, const int window_width) {
    Gtk::Grid* newGrid = new Gtk::Grid();
    newGrid->set_halign(Gtk::Align::CENTER);
    newGrid->set_valign(Gtk::Align::START);
    newGrid->set_column_spacing(SPACING);
    newGrid->set_row_spacing(SPACING);
 
    int cols = window_width / (ART_SIZE + SPACING);
    int rows = std::ceil(((float)arts.size())/((float)cols));
 
    for (int i = 0; i < cols; i++) {
        newGrid->insert_column(0);
    }
 
    for (int i = 0; i < rows; i++) {
        newGrid->insert_row(0);
    }
 
    bool done = false;
    for (int i = 0; i < rows; i++) {
        for (int j = 0; j < cols; j++) {
            if (((unsigned long)((i * cols) + j)) == arts.size()) {
                done = true;
                break;
            }
            Gtk::Button* button = Gtk::make_managed<Gtk::Button>();
            Gtk::Image* image = Gtk::make_managed<Gtk::Image>();
 
 
            image->set(arts[(i * cols) + j].art);
            button->set_has_frame(false);
            button->set_size_request(ART_SIZE, ART_SIZE);
            button->set_child(*image);
 
            const std::string url = arts[(i * cols) + j].url;
            button->signal_clicked().connect([this,url]() {
                _signal_art.emit(url);
            });
 
            newGrid->attach(*button, j, i);
        }
        if (done) {
            break;
        }
    }
 
    _viewport->set_child(*newGrid);
 
    delete _grid;
    _grid = newGrid;
}
 
void AlbumArtComponent::on_done_button_clicked() {
    _signal_done.emit();
}