using Gee; using Gdk; using Gtk; using Dino.Entities; namespace Dino.Ui { public class FileImageWidget : Box { public FileImageWidget() { this.halign = Align.START; this.add_css_class("file-image-widget"); this.set_cursor_from_name("zoom-in"); } public async void load_from_file(File file, string file_name, int MAX_WIDTH=600, int MAX_HEIGHT=300) throws GLib.Error { 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 }; image_overlay_toolbar.add_css_class("card"); image_overlay_toolbar.add_css_class("toolbar"); image_overlay_toolbar.add_css_class("overlay-toolbar"); image_overlay_toolbar.set_cursor_from_name("default"); FixedRatioPicture image = new FixedRatioPicture() { min_width=100, min_height=100, max_width=MAX_WIDTH, max_height=MAX_HEIGHT, file=file }; GestureClick gesture_click_controller = new GestureClick(); gesture_click_controller.button = 1; // listen for left clicks gesture_click_controller.released.connect((n_press, x, y) => { switch (gesture_click_controller.get_device().source) { case Gdk.InputSource.TOUCHSCREEN: case Gdk.InputSource.PEN: if (n_press == 1) { image_overlay_toolbar.visible = !image_overlay_toolbar.visible; } else if (n_press == 2) { this.activate_action("file.open", null); image_overlay_toolbar.visible = false; } break; default: this.activate_action("file.open", null); image_overlay_toolbar.visible = false; break; } }); image.add_controller(gesture_click_controller); FileInfo file_info = file.query_info("*", FileQueryInfoFlags.NONE); MenuButton button = new MenuButton(); button.icon_name = "view-more"; Menu menu_model = new Menu(); menu_model.append(_("Open"), "file.open"); menu_model.append(_("Save as…"), "file.save_as"); Gtk.PopoverMenu popover_menu = new Gtk.PopoverMenu.from_model(menu_model); button.popover = popover_menu; image_overlay_toolbar.append(button); Overlay overlay = new Overlay(); overlay.set_child(image); overlay.add_overlay(image_overlay_toolbar); overlay.set_measure_overlay(image, true); overlay.set_clip_overlay(image_overlay_toolbar, true); EventControllerMotion this_motion_events = new EventControllerMotion(); this.add_controller(this_motion_events); this_motion_events.enter.connect(() => { image_overlay_toolbar.visible = true; }); this_motion_events.leave.connect(() => { if (button.popover != null && button.popover.visible) return; image_overlay_toolbar.visible = false; }); this.append(overlay); } } }