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