diff options
Diffstat (limited to 'src/AppWindow.vala')
| -rw-r--r-- | src/AppWindow.vala | 961 |
1 files changed, 961 insertions, 0 deletions
diff --git a/src/AppWindow.vala b/src/AppWindow.vala new file mode 100644 index 0000000..9c1f2b4 --- /dev/null +++ b/src/AppWindow.vala @@ -0,0 +1,961 @@ +/* Copyright 2009-2014 Yorba Foundation + * + * This software is licensed under the GNU LGPL (version 2.1 or later). + * See the COPYING file in this distribution. + */ + +public class FullscreenWindow : PageWindow { + public const int TOOLBAR_INVOCATION_MSEC = 250; + public const int TOOLBAR_DISMISSAL_SEC = 2; + public const int TOOLBAR_CHECK_DISMISSAL_MSEC = 500; + + private Gtk.Window toolbar_window = new Gtk.Window(Gtk.WindowType.POPUP); + private Gtk.ToolButton close_button = new Gtk.ToolButton.from_stock(Gtk.Stock.LEAVE_FULLSCREEN); + private Gtk.ToggleToolButton pin_button = new Gtk.ToggleToolButton.from_stock(Resources.PIN_TOOLBAR); + private bool is_toolbar_shown = false; + private bool waiting_for_invoke = false; + private time_t left_toolbar_time = 0; + private bool switched_to = false; + private bool is_toolbar_dismissal_enabled; + + public FullscreenWindow(Page page) { + set_current_page(page); + + File ui_file = Resources.get_ui("fullscreen.ui"); + + try { + ui.add_ui_from_file(ui_file.get_path()); + } catch (Error err) { + error("Error loading UI file %s: %s", ui_file.get_path(), err.message); + } + + Gtk.ActionGroup action_group = new Gtk.ActionGroup("FullscreenActionGroup"); + action_group.add_actions(create_actions(), this); + ui.insert_action_group(action_group, 0); + ui.ensure_update(); + + Gtk.AccelGroup accel_group = ui.get_accel_group(); + if (accel_group != null) + add_accel_group(accel_group); + + set_screen(AppWindow.get_instance().get_screen()); + + // Needed so fullscreen will occur on correct monitor in multi-monitor setups + Gdk.Rectangle monitor = get_monitor_geometry(); + move(monitor.x, monitor.y); + + set_border_width(0); + + // restore pin state + is_toolbar_dismissal_enabled = Config.Facade.get_instance().get_pin_toolbar_state(); + + pin_button.set_label(_("Pin Toolbar")); + pin_button.set_tooltip_text(_("Pin the toolbar open")); + pin_button.set_active(!is_toolbar_dismissal_enabled); + pin_button.clicked.connect(update_toolbar_dismissal); + + close_button.set_tooltip_text(_("Leave fullscreen")); + close_button.clicked.connect(on_close); + + Gtk.Toolbar toolbar = page.get_toolbar(); + toolbar.set_show_arrow(false); + + if (page is SlideshowPage) { + // slideshow page doesn't own toolbar to hide it, subscribe to signal instead + ((SlideshowPage) page).hide_toolbar.connect(hide_toolbar); + } else { + // only non-slideshow pages should have pin button + toolbar.insert(pin_button, -1); + } + + page.set_cursor_hide_time(TOOLBAR_DISMISSAL_SEC * 1000); + page.start_cursor_hiding(); + + toolbar.insert(close_button, -1); + + // set up toolbar along bottom of screen + toolbar_window.set_screen(get_screen()); + toolbar_window.set_border_width(0); + toolbar_window.add(toolbar); + + toolbar_window.realize.connect(on_toolbar_realized); + + add(page); + + // call to set_default_size() saves one repaint caused by changing + // size from default to full screen. In slideshow mode, this change + // also causes pixbuf cache updates, so it really saves some work. + set_default_size(monitor.width, monitor.height); + + // need to create a Gdk.Window to set masks + fullscreen(); + show_all(); + + // capture motion events to show the toolbar + add_events(Gdk.EventMask.POINTER_MOTION_MASK); + + // start off with toolbar invoked, as a clue for the user + invoke_toolbar(); + } + + public void disable_toolbar_dismissal() { + is_toolbar_dismissal_enabled = false; + } + + public void update_toolbar_dismissal() { + is_toolbar_dismissal_enabled = !pin_button.get_active(); + } + + private Gdk.Rectangle get_monitor_geometry() { + Gdk.Rectangle monitor; + + get_screen().get_monitor_geometry( + get_screen().get_monitor_at_window(AppWindow.get_instance().get_window()), out monitor); + + return monitor; + } + + public override bool configure_event(Gdk.EventConfigure event) { + bool result = base.configure_event(event); + + if (!switched_to) { + get_current_page().switched_to(); + switched_to = true; + } + + return result; + } + + private Gtk.ActionEntry[] create_actions() { + Gtk.ActionEntry[] actions = new Gtk.ActionEntry[0]; + + Gtk.ActionEntry leave_fullscreen = { "LeaveFullscreen", Gtk.Stock.LEAVE_FULLSCREEN, + TRANSLATABLE, "F11", TRANSLATABLE, on_close }; + leave_fullscreen.label = _("Leave _Fullscreen"); + leave_fullscreen.tooltip = _("Leave fullscreen"); + actions += leave_fullscreen; + + return actions; + } + + public override bool key_press_event(Gdk.EventKey event) { + // check for an escape/abort + if (Gdk.keyval_name(event.keyval) == "Escape") { + on_close(); + + return true; + } + + // Make sure this event gets propagated to the underlying window... + AppWindow.get_instance().key_press_event(event); + + // ...then let the base class take over + return (base.key_press_event != null) ? base.key_press_event(event) : false; + } + + private void on_close() { + Config.Facade.get_instance().set_pin_toolbar_state(is_toolbar_dismissal_enabled); + hide_toolbar(); + toolbar_window = null; + + AppWindow.get_instance().end_fullscreen(); + } + + public new void close() { + on_close(); + } + + public override void destroy() { + Page? page = get_current_page(); + clear_current_page(); + + if (page != null) { + page.stop_cursor_hiding(); + page.switching_from(); + } + + base.destroy(); + } + + public override bool delete_event(Gdk.EventAny event) { + on_close(); + AppWindow.get_instance().destroy(); + + return true; + } + + public override bool motion_notify_event(Gdk.EventMotion event) { + if (!is_toolbar_shown) { + // if pointer is in toolbar height range without the mouse down (i.e. in the middle of + // an edit operation) and it stays there the necessary amount of time, invoke the + // toolbar + if (!waiting_for_invoke && is_pointer_in_toolbar()) { + Timeout.add(TOOLBAR_INVOCATION_MSEC, on_check_toolbar_invocation); + waiting_for_invoke = true; + } + } + + return (base.motion_notify_event != null) ? base.motion_notify_event(event) : false; + } + + private bool is_pointer_in_toolbar() { + Gdk.DeviceManager? devmgr = get_display().get_device_manager(); + if (devmgr == null) { + debug("No device manager for display"); + + return false; + } + + int py; + devmgr.get_client_pointer().get_position(null, null, out py); + + int wy; + toolbar_window.get_window().get_geometry(null, out wy, null, null); + + return (py >= wy); + } + + private bool on_check_toolbar_invocation() { + waiting_for_invoke = false; + + if (is_toolbar_shown) + return false; + + if (!is_pointer_in_toolbar()) + return false; + + invoke_toolbar(); + + return false; + } + + private void on_toolbar_realized() { + Gtk.Requisition req; + toolbar_window.get_preferred_size(null, out req); + + // place the toolbar in the center of the monitor along the bottom edge + Gdk.Rectangle monitor = get_monitor_geometry(); + int tx = monitor.x + (monitor.width - req.width) / 2; + if (tx < 0) + tx = 0; + + int ty = monitor.y + monitor.height - req.height; + if (ty < 0) + ty = 0; + + toolbar_window.move(tx, ty); + toolbar_window.set_opacity(Resources.TRANSIENT_WINDOW_OPACITY); + } + + private void invoke_toolbar() { + toolbar_window.show_all(); + + is_toolbar_shown = true; + + Timeout.add(TOOLBAR_CHECK_DISMISSAL_MSEC, on_check_toolbar_dismissal); + } + + private bool on_check_toolbar_dismissal() { + if (!is_toolbar_shown) + return false; + + if (toolbar_window == null) + return false; + + // if dismissal is disabled, keep open but keep checking + if ((!is_toolbar_dismissal_enabled)) + return true; + + // if the pointer is in toolbar range, keep it alive, but keep checking + if (is_pointer_in_toolbar()) { + left_toolbar_time = 0; + + return true; + } + + // if this is the first time noticed, start the timer and keep checking + if (left_toolbar_time == 0) { + left_toolbar_time = time_t(); + + return true; + } + + // see if enough time has elapsed + time_t now = time_t(); + assert(now >= left_toolbar_time); + + if (now - left_toolbar_time < TOOLBAR_DISMISSAL_SEC) + return true; + + hide_toolbar(); + + return false; + } + + private void hide_toolbar() { + toolbar_window.hide(); + is_toolbar_shown = false; + } +} + +// PageWindow is a Gtk.Window with essential functions for hosting a Page. There may be more than +// one PageWindow in the system, and closing one does not imply exiting the application. +// +// PageWindow offers support for hosting a single Page; multiple Pages must be handled by the +// subclass. A subclass should set current_page to the user-visible Page for it to receive +// various notifications. It is the responsibility of the subclass to notify Pages when they're +// switched to and from, and other aspects of the Page interface. +public abstract class PageWindow : Gtk.Window { + protected Gtk.UIManager ui = new Gtk.UIManager(); + + private Page current_page = null; + private int busy_counter = 0; + + protected virtual void switched_pages(Page? old_page, Page? new_page) { + } + + public PageWindow() { + // the current page needs to know when modifier keys are pressed + add_events(Gdk.EventMask.KEY_PRESS_MASK | Gdk.EventMask.KEY_RELEASE_MASK + | Gdk.EventMask.STRUCTURE_MASK); + + set_has_resize_grip(false); + } + + public Gtk.UIManager get_ui_manager() { + return ui; + } + + public Page? get_current_page() { + return current_page; + } + + public virtual void set_current_page(Page page) { + if (current_page != null) + current_page.clear_container(); + + Page? old_page = current_page; + current_page = page; + current_page.set_container(this); + + switched_pages(old_page, page); + } + + public virtual void clear_current_page() { + if (current_page != null) + current_page.clear_container(); + + Page? old_page = current_page; + current_page = null; + + switched_pages(old_page, null); + } + + public override bool key_press_event(Gdk.EventKey event) { + if (get_focus() is Gtk.Entry && get_focus().key_press_event(event)) + return true; + + if (current_page != null && current_page.notify_app_key_pressed(event)) + return true; + + return (base.key_press_event != null) ? base.key_press_event(event) : false; + } + + public override bool key_release_event(Gdk.EventKey event) { + if (get_focus() is Gtk.Entry && get_focus().key_release_event(event)) + return true; + + if (current_page != null && current_page.notify_app_key_released(event)) + return true; + + return (base.key_release_event != null) ? base.key_release_event(event) : false; + } + + public override bool focus_in_event(Gdk.EventFocus event) { + if (current_page != null && current_page.notify_app_focus_in(event)) + return true; + + return (base.focus_in_event != null) ? base.focus_in_event(event) : false; + } + + public override bool focus_out_event(Gdk.EventFocus event) { + if (current_page != null && current_page.notify_app_focus_out(event)) + return true; + + return (base.focus_out_event != null) ? base.focus_out_event(event) : false; + } + + public override bool configure_event(Gdk.EventConfigure event) { + if (current_page != null) { + if (current_page.notify_configure_event(event)) + return true; + } + + return (base.configure_event != null) ? base.configure_event(event) : false; + } + + public void set_busy_cursor() { + if (busy_counter++ > 0) + return; + + get_window().set_cursor(new Gdk.Cursor(Gdk.CursorType.WATCH)); + spin_event_loop(); + } + + public void set_normal_cursor() { + if (busy_counter <= 0) { + busy_counter = 0; + return; + } else if (--busy_counter > 0) { + return; + } + + get_window().set_cursor(new Gdk.Cursor(Gdk.CursorType.LEFT_PTR)); + spin_event_loop(); + } + +} + +// AppWindow is the parent window for most windows in Shotwell (FullscreenWindow is the exception). +// There are multiple types of AppWindows (LibraryWindow, DirectWindow) for different tasks, but only +// one AppWindow may exist per process. Thus, if the user closes an AppWindow, the program exits. +// +// AppWindow also offers support for going into fullscreen mode. It handles the interface +// notifications Page is expecting when switching back and forth. +public abstract class AppWindow : PageWindow { + public const int DND_ICON_SCALE = 128; + + protected static AppWindow instance = null; + + private static FullscreenWindow fullscreen_window = null; + private static CommandManager command_manager = null; + + // the AppWindow maintains its own UI manager because the first UIManager an action group is + // added to is the one that claims its accelerators + protected Gtk.ActionGroup[] common_action_groups; + protected bool maximized = false; + protected Dimensions dimensions; + protected int pos_x = 0; + protected int pos_y = 0; + + private Gtk.ActionGroup common_action_group = new Gtk.ActionGroup("AppWindowGlobalActionGroup"); + + public AppWindow() { + // although there are multiple AppWindow types, only one may exist per-process + assert(instance == null); + instance = this; + + title = Resources.APP_TITLE; + + GLib.List<Gdk.Pixbuf> pixbuf_list = new GLib.List<Gdk.Pixbuf>(); + foreach (string resource in Resources.APP_ICONS) + pixbuf_list.append(Resources.get_icon(resource, 0)); + set_default_icon_list(pixbuf_list); + + // restore previous size and maximization state + if (this is LibraryWindow) { + Config.Facade.get_instance().get_library_window_state(out maximized, out dimensions); + } else { + assert(this is DirectWindow); + Config.Facade.get_instance().get_direct_window_state(out maximized, out dimensions); + } + + set_default_size(dimensions.width, dimensions.height); + + if (maximized) + maximize(); + + assert(command_manager == null); + command_manager = new CommandManager(); + command_manager.altered.connect(on_command_manager_altered); + + // Because the first UIManager to associated with an ActionGroup claims the accelerators, + // need to create the AppWindow's ActionGroup early on and add it to an application-wide + // UIManager. In order to activate those accelerators, we need to create a dummy UI string + // that lists all the common actions. We build it on-the-fly from the actions associated + // with each ActionGroup while we're adding the groups to the UIManager. + common_action_groups = create_common_action_groups(); + foreach (Gtk.ActionGroup group in common_action_groups) + ui.insert_action_group(group, 0); + + try { + ui.add_ui_from_string(build_dummy_ui_string(common_action_groups), -1); + } catch (Error err) { + error("Unable to add AppWindow UI: %s", err.message); + } + + ui.ensure_update(); + add_accel_group(ui.get_accel_group()); + } + + private Gtk.ActionEntry[] create_common_actions() { + Gtk.ActionEntry[] actions = new Gtk.ActionEntry[0]; + + Gtk.ActionEntry quit = { "CommonQuit", Gtk.Stock.QUIT, TRANSLATABLE, "<Ctrl>Q", + TRANSLATABLE, on_quit }; + quit.label = _("_Quit"); + actions += quit; + + Gtk.ActionEntry about = { "CommonAbout", Gtk.Stock.ABOUT, TRANSLATABLE, null, + TRANSLATABLE, on_about }; + about.label = _("_About"); + actions += about; + + Gtk.ActionEntry fullscreen = { "CommonFullscreen", Gtk.Stock.FULLSCREEN, + TRANSLATABLE, "F11", TRANSLATABLE, on_fullscreen }; + fullscreen.label = _("Fulls_creen"); + actions += fullscreen; + + Gtk.ActionEntry help_contents = { "CommonHelpContents", Gtk.Stock.HELP, + TRANSLATABLE, "F1", TRANSLATABLE, on_help_contents }; + help_contents.label = _("_Contents"); + actions += help_contents; + + Gtk.ActionEntry help_faq = { "CommonHelpFAQ", null, TRANSLATABLE, null, + TRANSLATABLE, on_help_faq }; + help_faq.label = _("_Frequently Asked Questions"); + actions += help_faq; + + Gtk.ActionEntry help_report_problem = { "CommonHelpReportProblem", null, TRANSLATABLE, null, + TRANSLATABLE, on_help_report_problem }; + help_report_problem.label = _("_Report a Problem..."); + actions += help_report_problem; + + Gtk.ActionEntry undo = { "CommonUndo", Gtk.Stock.UNDO, TRANSLATABLE, "<Ctrl>Z", + TRANSLATABLE, on_undo }; + undo.label = Resources.UNDO_MENU; + actions += undo; + + Gtk.ActionEntry redo = { "CommonRedo", Gtk.Stock.REDO, TRANSLATABLE, "<Ctrl><Shift>Z", + TRANSLATABLE, on_redo }; + redo.label = Resources.REDO_MENU; + actions += redo; + + Gtk.ActionEntry jump_to_file = { "CommonJumpToFile", Gtk.Stock.JUMP_TO, TRANSLATABLE, + "<Ctrl><Shift>M", TRANSLATABLE, on_jump_to_file }; + jump_to_file.label = Resources.JUMP_TO_FILE_MENU; + actions += jump_to_file; + + Gtk.ActionEntry select_all = { "CommonSelectAll", Gtk.Stock.SELECT_ALL, TRANSLATABLE, + "<Ctrl>A", TRANSLATABLE, on_select_all }; + select_all.label = Resources.SELECT_ALL_MENU; + actions += select_all; + + Gtk.ActionEntry select_none = { "CommonSelectNone", null, null, + "<Ctrl><Shift>A", TRANSLATABLE, on_select_none }; + actions += select_none; + + return actions; + } + + protected abstract void on_fullscreen(); + + public static bool has_instance() { + return instance != null; + } + + public static AppWindow get_instance() { + return instance; + } + + public static FullscreenWindow get_fullscreen() { + return fullscreen_window; + } + + public static Gtk.Builder create_builder(string glade_filename = "shotwell.glade", void *user = null) { + Gtk.Builder builder = new Gtk.Builder(); + try { + builder.add_from_file(AppDirs.get_resources_dir().get_child("ui").get_child( + glade_filename).get_path()); + } catch(GLib.Error error) { + warning("Unable to create Gtk.Builder: %s\n", error.message); + } + + builder.connect_signals(user); + + return builder; + } + + public static void error_message(string message, Gtk.Window? parent = null) { + error_message_with_title(Resources.APP_TITLE, message, parent); + } + + public static void error_message_with_title(string title, string message, Gtk.Window? parent = null, bool should_escape = true) { + // Per the Gnome HIG (http://library.gnome.org/devel/hig-book/2.32/windows-alert.html.en), + // alert-style dialogs mustn't have titles; we use the title as the primary text, and the + // existing message as the secondary text. + Gtk.MessageDialog dialog = new Gtk.MessageDialog.with_markup((parent != null) ? parent : get_instance(), + Gtk.DialogFlags.MODAL, Gtk.MessageType.ERROR, Gtk.ButtonsType.OK, "%s", build_alert_body_text(title, message, should_escape)); + + // Occasionally, with_markup doesn't actually do anything, but set_markup always works. + dialog.set_markup(build_alert_body_text(title, message, should_escape)); + + dialog.use_markup = true; + dialog.run(); + dialog.destroy(); + } + + public static bool negate_affirm_question(string message, string negative, string affirmative, + string? title = null, Gtk.Window? parent = null) { + Gtk.MessageDialog dialog = new Gtk.MessageDialog((parent != null) ? parent : get_instance(), + Gtk.DialogFlags.MODAL, Gtk.MessageType.QUESTION, Gtk.ButtonsType.NONE, "%s", build_alert_body_text(title, message)); + + dialog.set_markup(build_alert_body_text(title, message)); + dialog.add_buttons(negative, Gtk.ResponseType.NO, affirmative, Gtk.ResponseType.YES); + dialog.set_urgency_hint(true); + + bool response = (dialog.run() == Gtk.ResponseType.YES); + + dialog.destroy(); + + return response; + } + + public static Gtk.ResponseType negate_affirm_cancel_question(string message, string negative, + string affirmative, string? title = null, Gtk.Window? parent = null) { + Gtk.MessageDialog dialog = new Gtk.MessageDialog.with_markup((parent != null) ? parent : get_instance(), + Gtk.DialogFlags.MODAL, Gtk.MessageType.QUESTION, Gtk.ButtonsType.NONE, "%s", build_alert_body_text(title, message)); + + dialog.add_buttons(negative, Gtk.ResponseType.NO, affirmative, Gtk.ResponseType.YES, + _("_Cancel"), Gtk.ResponseType.CANCEL); + + // Occasionally, with_markup doesn't actually enable markup, but set_markup always works. + dialog.set_markup(build_alert_body_text(title, message)); + dialog.use_markup = true; + + int response = dialog.run(); + + dialog.destroy(); + + return (Gtk.ResponseType) response; + } + + public static Gtk.ResponseType affirm_cancel_question(string message, string affirmative, + string? title = null, Gtk.Window? parent = null) { + Gtk.MessageDialog dialog = new Gtk.MessageDialog.with_markup((parent != null) ? parent : get_instance(), + Gtk.DialogFlags.MODAL, Gtk.MessageType.QUESTION, Gtk.ButtonsType.NONE, "%s", message); + // Occasionally, with_markup doesn't actually enable markup...? Force the issue. + dialog.set_markup(message); + dialog.use_markup = true; + dialog.title = (title != null) ? title : Resources.APP_TITLE; + dialog.add_buttons(affirmative, Gtk.ResponseType.YES, _("_Cancel"), + Gtk.ResponseType.CANCEL); + + int response = dialog.run(); + + dialog.destroy(); + + return (Gtk.ResponseType) response; + } + + public static Gtk.ResponseType negate_affirm_all_cancel_question(string message, + string negative, string affirmative, string affirmative_all, string? title = null, + Gtk.Window? parent = null) { + Gtk.MessageDialog dialog = new Gtk.MessageDialog((parent != null) ? parent : get_instance(), + Gtk.DialogFlags.MODAL, Gtk.MessageType.QUESTION, Gtk.ButtonsType.NONE, "%s", message); + dialog.title = (title != null) ? title : Resources.APP_TITLE; + dialog.add_buttons(negative, Gtk.ResponseType.NO, affirmative, Gtk.ResponseType.YES, + affirmative_all, Gtk.ResponseType.APPLY, _("_Cancel"), Gtk.ResponseType.CANCEL); + + int response = dialog.run(); + + dialog.destroy(); + + return (Gtk.ResponseType) response; + } + + public static void database_error(DatabaseError err) { + panic(_("A fatal error occurred when accessing Shotwell's library. Shotwell cannot continue.\n\n%s").printf( + err.message)); + } + + public static void panic(string msg) { + critical(msg); + error_message(msg); + + Application.get_instance().panic(); + } + + public abstract string get_app_role(); + + protected void on_about() { + Gtk.show_about_dialog(this, + "version", Resources.APP_VERSION, + "comments", get_app_role(), + "copyright", Resources.COPYRIGHT, + "website", Resources.HOME_URL, + "license", Resources.LICENSE, + "website-label", _("Visit the Yorba web site"), + "authors", Resources.AUTHORS, + "logo", Resources.get_icon(Resources.ICON_ABOUT_LOGO, -1), + "translator-credits", _("translator-credits"), + null + ); + } + + private void on_help_contents() { + try { + Resources.launch_help(get_screen()); + } catch (Error err) { + error_message(_("Unable to display help: %s").printf(err.message)); + } + } + + private void on_help_report_problem() { + try { + show_uri(Resources.BUG_DB_URL); + } catch (Error err) { + error_message(_("Unable to navigate to bug database: %s").printf(err.message)); + } + } + + private void on_help_faq() { + try { + show_uri(Resources.FAQ_URL); + } catch (Error err) { + error_message(_("Unable to display FAQ: %s").printf(err.message)); + } + } + + protected virtual void on_quit() { + Application.get_instance().exit(); + } + + protected void on_jump_to_file() { + if (get_current_page().get_view().get_selected_count() != 1) + return; + + MediaSource? media = get_current_page().get_view().get_selected_at(0).get_source() + as MediaSource; + if (media == null) + return; + + try { + AppWindow.get_instance().show_file_uri(media.get_master_file()); + } catch (Error err) { + AppWindow.error_message(Resources.jump_to_file_failed(err)); + } + } + + protected override void destroy() { + on_quit(); + } + + public void show_file_uri(File file) throws Error { + string tmp; + + // if file manager is nautilus then pass the full path to file; otherwise pass + // the enclosing directory + if(get_nautilus_install_location() != null) { + tmp = file.get_uri().replace("'","\\\'"); + show_file_in_nautilus(tmp); + } else { + tmp = file.get_parent().get_uri().replace("'","\\\'"); + show_uri(tmp); + } + } + + public void show_uri(string url) throws Error { + sys_show_uri(get_window().get_screen(), url); + } + + protected virtual Gtk.ActionGroup[] create_common_action_groups() { + Gtk.ActionGroup[] groups = new Gtk.ActionGroup[0]; + + common_action_group.add_actions(create_common_actions(), this); + groups += common_action_group; + + return groups; + } + + public Gtk.ActionGroup[] get_common_action_groups() { + return common_action_groups; + } + + public virtual void replace_common_placeholders(Gtk.UIManager ui) { + } + + public void go_fullscreen(Page page) { + // if already fullscreen, use that + if (fullscreen_window != null) { + fullscreen_window.present(); + + return; + } + + get_position(out pos_x, out pos_y); + hide(); + + FullscreenWindow fsw = new FullscreenWindow(page); + + if (get_current_page() != null) + get_current_page().switching_to_fullscreen(fsw); + + fullscreen_window = fsw; + fullscreen_window.present(); + } + + public void end_fullscreen() { + if (fullscreen_window == null) + return; + + move(pos_x, pos_y); + + show_all(); + + if (get_current_page() != null) + get_current_page().returning_from_fullscreen(fullscreen_window); + + fullscreen_window.hide(); + fullscreen_window.destroy(); + fullscreen_window = null; + + present(); + } + + public Gtk.Action? get_common_action(string name) { + foreach (Gtk.ActionGroup group in common_action_groups) { + Gtk.Action? action = group.get_action(name); + if (action != null) + return action; + } + + warning("No common action found: %s", name); + + return null; + } + + public void set_common_action_sensitive(string name, bool sensitive) { + Gtk.Action? action = get_common_action(name); + if (action != null) + action.sensitive = sensitive; + } + + public void set_common_action_important(string name, bool important) { + Gtk.Action? action = get_common_action(name); + if (action != null) + action.is_important = important; + } + + public void set_common_action_visible(string name, bool visible) { + Gtk.Action? action = get_common_action(name); + if (action != null) + action.visible = visible; + } + + protected override void switched_pages(Page? old_page, Page? new_page) { + update_common_action_availability(old_page, new_page); + + if (old_page != null) { + old_page.get_view().contents_altered.disconnect(on_update_common_actions); + old_page.get_view().selection_group_altered.disconnect(on_update_common_actions); + old_page.get_view().items_state_changed.disconnect(on_update_common_actions); + } + + if (new_page != null) { + new_page.get_view().contents_altered.connect(on_update_common_actions); + new_page.get_view().selection_group_altered.connect(on_update_common_actions); + new_page.get_view().items_state_changed.connect(on_update_common_actions); + + update_common_actions(new_page, new_page.get_view().get_selected_count(), + new_page.get_view().get_count()); + } + + base.switched_pages(old_page, new_page); + } + + // This is called when a Page is switched out and certain common actions are simply + // unavailable for the new one. This is different than update_common_actions() in that that + // call is made when state within the Page has changed. + protected virtual void update_common_action_availability(Page? old_page, Page? new_page) { + bool is_checkerboard = new_page is CheckerboardPage; + + set_common_action_sensitive("CommonSelectAll", is_checkerboard); + set_common_action_sensitive("CommonSelectNone", is_checkerboard); + } + + // This is a counterpart to Page.update_actions(), but for common Gtk.Actions + // NOTE: Although CommonFullscreen is declared here, it's implementation is up to the subclasses, + // therefore they need to update its action. + protected virtual void update_common_actions(Page page, int selected_count, int count) { + if (page is CheckerboardPage) + set_common_action_sensitive("CommonSelectAll", count > 0); + set_common_action_sensitive("CommonJumpToFile", selected_count == 1); + + decorate_undo_action(); + decorate_redo_action(); + } + + private void on_update_common_actions() { + Page? page = get_current_page(); + if (page != null) + update_common_actions(page, page.get_view().get_selected_count(), page.get_view().get_count()); + } + + public static CommandManager get_command_manager() { + return command_manager; + } + + private void on_command_manager_altered() { + decorate_undo_action(); + decorate_redo_action(); + } + + private void decorate_command_manager_action(string name, string prefix, + string default_explanation, CommandDescription? desc) { + Gtk.Action? action = get_common_action(name); + if (action == null) + return; + + if (desc != null) { + action.label = "%s %s".printf(prefix, desc.get_name()); + action.tooltip = desc.get_explanation(); + action.sensitive = true; + } else { + action.label = prefix; + action.tooltip = default_explanation; + action.sensitive = false; + } + } + + public void decorate_undo_action() { + decorate_command_manager_action("CommonUndo", Resources.UNDO_MENU, "", + get_command_manager().get_undo_description()); + } + + public void decorate_redo_action() { + decorate_command_manager_action("CommonRedo", Resources.REDO_MENU, "", + get_command_manager().get_redo_description()); + } + + private void on_undo() { + command_manager.undo(); + } + + private void on_redo() { + command_manager.redo(); + } + + private void on_select_all() { + Page? page = get_current_page() as CheckerboardPage; + if (page != null) + page.get_view().select_all(); + } + + private void on_select_none() { + Page? page = get_current_page() as CheckerboardPage; + if (page != null) + page.get_view().unselect_all(); + } + + public override bool configure_event(Gdk.EventConfigure event) { + maximized = (get_window().get_state() == Gdk.WindowState.MAXIMIZED); + + if (!maximized) + get_size(out dimensions.width, out dimensions.height); + + return base.configure_event(event); + } + +} + |