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using Gee;
using Gdk;
using Gtk;
using Dino.Entities;
namespace Dino.Ui {
public class FileImageWidget : EventBox {
private ScalingImage image;
FileDefaultWidget file_default_widget;
FileDefaultWidgetController file_default_widget_controller;
private bool pointer_inside = false;
public FileImageWidget() {
this.halign = Align.START;
this.events = EventMask.POINTER_MOTION_MASK;
Util.force_css(this, "* { border: 1px solid alpha(@theme_fg_color, 0.1); border-radius: 3px; }");
}
public async void load_from_file(File file, string file_name, int MAX_WIDTH=600, int MAX_HEIGHT=300) throws GLib.Error {
// Load and prepare image in tread
Thread<ScalingImage?> thread = new Thread<ScalingImage?> (null, () => {
ScalingImage image = new ScalingImage() { halign=Align.START, visible = true, max_width = MAX_WIDTH, max_height = MAX_HEIGHT };
Gdk.Pixbuf pixbuf;
try {
pixbuf = new Gdk.Pixbuf.from_file(file.get_path());
} catch (Error error) {
warning("Can't load picture %s - %s", file.get_path(), error.message);
Idle.add(load_from_file.callback);
return null;
}
pixbuf = pixbuf.apply_embedded_orientation();
image.load(pixbuf);
Idle.add(load_from_file.callback);
return image;
});
yield;
image = thread.join();
if (image == null) throw new Error(-1, 0, "Error loading image");
FileInfo file_info = file.query_info("*", FileQueryInfoFlags.NONE);
string? mime_type = file_info.get_content_type();
file_default_widget = new FileDefaultWidget() { valign=Align.END, vexpand=false };
file_default_widget.stack_event_box.visible = false;
file_default_widget_controller = new FileDefaultWidgetController(file_default_widget);
file_default_widget_controller.set_file(file, file_name, mime_type);
Util.force_css(file_default_widget, "* { color: #eee; }");
Util.force_css(file_default_widget, "* { background-color: rgba(0, 0, 0, 0.5); }");
Overlay overlay = new Overlay() { visible=true };
overlay.add(image);
overlay.add_overlay(file_default_widget);
this.enter_notify_event.connect(() => {
file_default_widget.visible = true;
return false;
});
this.leave_notify_event.connect(() => {
pointer_inside = false;
Timeout.add(20, () => {
if (!pointer_inside) {
file_default_widget.visible = false;
}
return false;
});
return false;
});
file_default_widget.enter_notify_event.connect(() => { pointer_inside = true; return false; });
file_default_widget.leave_notify_event.connect(() => { pointer_inside = true; return false; });
this.add(overlay);
}
}
}
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