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/* 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);
}
}
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