mirror of https://github.com/TakeV-Lambda/dino.git
82 lines
3.2 KiB
Vala
82 lines
3.2 KiB
Vala
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 : Box {
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public FileImageWidget() {
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this.halign = Align.START;
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this.add_css_class("file-image-widget");
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this.set_cursor_from_name("zoom-in");
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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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Gtk.Box image_overlay_toolbar = new Gtk.Box(Orientation.HORIZONTAL, 0) { halign=Gtk.Align.END, valign=Gtk.Align.START, margin_top=10, margin_start=10, margin_end=10, margin_bottom=10, vexpand=false, visible=false };
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image_overlay_toolbar.add_css_class("card");
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image_overlay_toolbar.add_css_class("toolbar");
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image_overlay_toolbar.add_css_class("overlay-toolbar");
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image_overlay_toolbar.set_cursor_from_name("default");
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FixedRatioPicture image = new FixedRatioPicture() { min_width=100, min_height=100, max_width=MAX_WIDTH, max_height=MAX_HEIGHT, file=file };
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GestureClick gesture_click_controller = new GestureClick();
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gesture_click_controller.button = 1; // listen for left clicks
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gesture_click_controller.released.connect((n_press, x, y) => {
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switch (gesture_click_controller.get_device().source) {
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case Gdk.InputSource.TOUCHSCREEN:
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case Gdk.InputSource.PEN:
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if (n_press == 1) {
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image_overlay_toolbar.visible = !image_overlay_toolbar.visible;
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} else if (n_press == 2) {
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this.activate_action("file.open", null);
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image_overlay_toolbar.visible = false;
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}
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break;
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default:
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this.activate_action("file.open", null);
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image_overlay_toolbar.visible = false;
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break;
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}
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});
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image.add_controller(gesture_click_controller);
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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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MenuButton button = new MenuButton();
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button.icon_name = "open-menu";
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Menu menu_model = new Menu();
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menu_model.append(_("Open"), "file.open");
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menu_model.append(_("Save as…"), "file.save_as");
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Gtk.PopoverMenu popover_menu = new Gtk.PopoverMenu.from_model(menu_model);
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button.popover = popover_menu;
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image_overlay_toolbar.append(button);
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Overlay overlay = new Overlay();
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overlay.set_child(image);
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overlay.add_overlay(image_overlay_toolbar);
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overlay.set_measure_overlay(image, true);
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overlay.set_clip_overlay(image_overlay_toolbar, true);
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EventControllerMotion this_motion_events = new EventControllerMotion();
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this.add_controller(this_motion_events);
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this_motion_events.enter.connect(() => {
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image_overlay_toolbar.visible = true;
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});
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this_motion_events.leave.connect(() => {
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if (button.popover != null && button.popover.visible) return;
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image_overlay_toolbar.visible = false;
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});
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this.append(overlay);
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}
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}
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}
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