tootle-linux-client/src/Widgets/Avatar.vala

73 lines
1.8 KiB
Vala

using Gtk;
using Gdk;
public class Tootle.Widgets.Avatar : EventBox {
public string? url { get; set; }
public int size { get; set; default = 48; }
private Cache.Reference? cached;
construct {
get_style_context ().add_class ("avatar");
notify["url"].connect (on_url_updated);
notify["size"].connect (on_redraw);
Screen.get_default ().monitors_changed.connect (on_redraw);
on_url_updated ();
}
public Avatar (int size = this.size) {
Object (size: size);
on_redraw ();
}
~Avatar () {
notify["url"].disconnect (on_url_updated);
Screen.get_default ().monitors_changed.disconnect (on_redraw);
cache.unload (cached);
}
private void on_url_updated () {
cached = null;
on_redraw ();
cache.load (url, on_cache_result);
}
private void on_cache_result (Cache.Reference? result) {
cached = result;
on_redraw ();
}
public int get_scaled_size () {
return size;
//return size * get_scale_factor ();
}
private void on_redraw () {
set_size_request (get_scaled_size (), get_scaled_size ());
queue_draw_area (0, 0, size, size);
}
public override bool draw (Cairo.Context ctx) {
var w = get_allocated_width ();
var h = get_allocated_height ();
var style = get_style_context ();
var border_radius = style.get_property (Gtk.STYLE_PROPERTY_BORDER_RADIUS, style.get_state ()).get_int ();
Pixbuf pixbuf;
Drawing.draw_rounded_rect (ctx, 0, 0, w, h, border_radius);
if (cached != null && !cached.loading) {
pixbuf = cached.data.scale_simple (get_scaled_size (), get_scaled_size (), InterpType.BILINEAR);
}
else {
pixbuf = IconTheme.get_default ()
.load_icon_for_scale ("avatar-default", size, get_scale_factor (), IconLookupFlags.GENERIC_FALLBACK);
}
Gdk.cairo_set_source_pixbuf (ctx, pixbuf, 0, 0);
ctx.fill ();
return Gdk.EVENT_STOP;
}
}