diff options
Diffstat (limited to 'src/ui.vala')
| -rw-r--r-- | src/ui.vala | 2398 |
1 files changed, 0 insertions, 2398 deletions
diff --git a/src/ui.vala b/src/ui.vala deleted file mode 100644 index 554b161..0000000 --- a/src/ui.vala +++ /dev/null @@ -1,2398 +0,0 @@ -/* - * Copyright (C) 2009-2015 Canonical Ltd. - * Author: Robert Ancell <robert.ancell@canonical.com>, - * Eduard Gotwig <g@ox.io> - * - * This program is free software: you can redistribute it and/or modify it under - * the terms of the GNU General Public License as published by the Free Software - * Foundation, either version 3 of the License, or (at your option) any later - * version. See http://www.gnu.org/copyleft/gpl.html the full text of the - * license. - */ - -[GtkTemplate (ui = "/org/gnome/SimpleScan/simple-scan.ui")] -public class UserInterface : Gtk.ApplicationWindow -{ - private const int DEFAULT_TEXT_DPI = 150; - private const int DEFAULT_PHOTO_DPI = 300; - - private const GLib.ActionEntry[] action_entries = - { - { "new_document", new_document_activate_cb }, - { "reorder", reorder_document_activate_cb }, - { "save", save_document_activate_cb }, - { "email", email_document_activate_cb }, - { "print", print_document_activate_cb }, - { "preferences", preferences_activate_cb }, - { "help", help_contents_activate_cb }, - { "about", about_activate_cb }, - { "quit", quit_activate_cb } - }; - - private Settings settings; - - [GtkChild] - private Gtk.MenuBar menubar; - [GtkChild] - private Gtk.Toolbar toolbar; - [GtkChild] - private Gtk.Menu page_menu; - [GtkChild] - private Gtk.Box main_vbox; - private Gtk.InfoBar info_bar; - private Gtk.Image info_bar_image; - private Gtk.Label info_bar_label; - private Gtk.Button info_bar_close_button; - private Gtk.Button info_bar_change_scanner_button; - private Gtk.Button info_bar_install_button; - [GtkChild] - private Gtk.RadioMenuItem custom_crop_menuitem; - [GtkChild] - private Gtk.RadioMenuItem a4_menuitem; - [GtkChild] - private Gtk.RadioMenuItem a5_menuitem; - [GtkChild] - private Gtk.RadioMenuItem a6_menuitem; - [GtkChild] - private Gtk.RadioMenuItem letter_menuitem; - [GtkChild] - private Gtk.RadioMenuItem legal_menuitem; - [GtkChild] - private Gtk.RadioMenuItem four_by_six_menuitem; - [GtkChild] - private Gtk.RadioMenuItem no_crop_menuitem; - [GtkChild] - private Gtk.MenuItem page_move_left_menuitem; - [GtkChild] - private Gtk.MenuItem page_move_right_menuitem; - [GtkChild] - private Gtk.MenuItem page_delete_menuitem; - [GtkChild] - private Gtk.MenuItem crop_rotate_menuitem; - [GtkChild] - private Gtk.MenuItem save_menuitem; - [GtkChild] - private Gtk.MenuItem email_menuitem; - [GtkChild] - private Gtk.MenuItem print_menuitem; - [GtkChild] - private Gtk.MenuItem copy_to_clipboard_menuitem; - [GtkChild] - private Gtk.Button save_button; - [GtkChild] - private Gtk.ToolButton save_toolbutton; - [GtkChild] - private Gtk.MenuItem stop_scan_menuitem; - [GtkChild] - private Gtk.ToolButton stop_toolbutton; - [GtkChild] - private Gtk.ToggleButton crop_button; - [GtkChild] - private Gtk.ToggleToolButton crop_toolbutton; - [GtkChild] - private Gtk.Button stop_button; - [GtkChild] - private Gtk.Button scan_button; - - [GtkChild] - private Gtk.RadioMenuItem text_button_menuitem; - [GtkChild] - private Gtk.RadioMenuItem text_button_hb_menuitem; - [GtkChild] - private Gtk.RadioMenuItem text_menuitem; - [GtkChild] - private Gtk.RadioMenuItem photo_button_menuitem; - [GtkChild] - private Gtk.RadioMenuItem photo_button_hb_menuitem; - [GtkChild] - private Gtk.RadioMenuItem photo_menuitem; - - [GtkChild] - private Gtk.Dialog authorize_dialog; - [GtkChild] - private Gtk.Label authorize_label; - [GtkChild] - private Gtk.Entry username_entry; - [GtkChild] - private Gtk.Entry password_entry; - - [GtkChild] - private Gtk.Dialog preferences_dialog; - [GtkChild] - private Gtk.ComboBox device_combo; - [GtkChild] - private Gtk.ComboBox text_dpi_combo; - [GtkChild] - private Gtk.ComboBox photo_dpi_combo; - [GtkChild] - private Gtk.ComboBox page_side_combo; - [GtkChild] - private Gtk.ComboBox paper_size_combo; - [GtkChild] - private Gtk.Scale brightness_scale; - [GtkChild] - private Gtk.Scale contrast_scale; - [GtkChild] - private Gtk.Scale quality_scale; - [GtkChild] - private Gtk.Scale page_delay_scale; - [GtkChild] - private Gtk.ListStore device_model; - [GtkChild] - private Gtk.ListStore text_dpi_model; - [GtkChild] - private Gtk.ListStore photo_dpi_model; - [GtkChild] - private Gtk.ListStore page_side_model; - [GtkChild] - private Gtk.ListStore paper_size_model; - [GtkChild] - private Gtk.Adjustment brightness_adjustment; - [GtkChild] - private Gtk.Adjustment contrast_adjustment; - [GtkChild] - private Gtk.Adjustment quality_adjustment; - [GtkChild] - private Gtk.Adjustment page_delay_adjustment; - private bool setting_devices; - private string? missing_driver = null; - private bool user_selected_device; - - private Gtk.FileChooserDialog? save_dialog; - private ProgressBarDialog progress_dialog; - - private bool have_error; - private string error_title; - private string error_text; - private bool error_change_scanner_hint; - - public Book book { get; private set; } - private bool book_needs_saving; - private string? book_uri = null; - - public Page selected_page - { - get - { - return book_view.selected_page; - } - set - { - book_view.selected_page = value; - } - } - - private AutosaveManager autosave_manager; - - private BookView book_view; - private bool updating_page_menu; - private int default_page_width; - private int default_page_height; - private int default_page_dpi; - private ScanDirection default_page_scan_direction; - - private string document_hint = "photo"; - - private bool scanning_ = false; - public bool scanning - { - get { return scanning_; } - set - { - scanning_ = value; - page_delete_menuitem.sensitive = !value; - stop_scan_menuitem.sensitive = value; - stop_toolbutton.sensitive = value; - scan_button.visible = !value; - stop_button.visible = value; - } - } - - private int window_width; - private int window_height; - private bool window_is_maximized; - private bool window_is_fullscreen; - - private uint save_state_timeout; - - public int brightness - { - get { return (int) brightness_adjustment.value; } - set { brightness_adjustment.value = value; } - } - - public int contrast - { - get { return (int) contrast_adjustment.value; } - set { contrast_adjustment.value = value; } - } - - public int quality - { - get { return (int) quality_adjustment.value; } - set { quality_adjustment.value = value; } - } - - public int page_delay - { - get { return (int) page_delay_adjustment.value; } - set { page_delay_adjustment.value = value; } - } - - public string? selected_device - { - owned get - { - Gtk.TreeIter iter; - - if (device_combo.get_active_iter (out iter)) - { - string device; - device_model.get (iter, 0, out device, -1); - return device; - } - - return null; - } - - set - { - Gtk.TreeIter iter; - if (!find_scan_device (value, out iter)) - return; - - device_combo.set_active_iter (iter); - user_selected_device = true; - } - } - - public signal void start_scan (string? device, ScanOptions options); - public signal void stop_scan (); - public signal void email (string profile, int quality); - - public UserInterface () - { - settings = new Settings ("org.gnome.SimpleScan"); - - book = new Book (); - book.page_added.connect (page_added_cb); - book.reordered.connect (reordered_cb); - book.page_removed.connect (page_removed_cb); - book.changed.connect (book_changed_cb); - - load (); - - clear_document (); - autosave_manager = new AutosaveManager (); - autosave_manager.book = book; - autosave_manager.load (); - - if (book.n_pages == 0) - book_needs_saving = false; - else - { - book_view.selected_page = book.get_page (0); - book_needs_saving = true; - book_changed_cb (book); - } - } - - ~UserInterface () - { - book.page_added.disconnect (page_added_cb); - book.reordered.disconnect (reordered_cb); - book.page_removed.disconnect (page_removed_cb); - } - - private bool find_scan_device (string device, out Gtk.TreeIter iter) - { - bool have_iter = false; - - if (device_model.get_iter_first (out iter)) - { - do - { - string d; - device_model.get (iter, 0, out d, -1); - if (d == device) - have_iter = true; - } while (!have_iter && device_model.iter_next (ref iter)); - } - - return have_iter; - } - - private void show_error_dialog (string error_title, string error_text) - { - var dialog = new Gtk.MessageDialog (this, - Gtk.DialogFlags.MODAL, - Gtk.MessageType.WARNING, - Gtk.ButtonsType.NONE, - "%s", error_title); - dialog.add_button (_("_Close"), 0); - dialog.format_secondary_text ("%s", error_text); - dialog.run (); - dialog.destroy (); - } - - public void authorize (string resource, out string username, out string password) - { - /* Label in authorization dialog. '%s' is replaced with the name of the resource requesting authorization */ - var description = _("Username and password required to access '%s'").printf (resource); - - username_entry.text = ""; - password_entry.text = ""; - authorize_label.set_text (description); - - authorize_dialog.visible = true; - authorize_dialog.run (); - authorize_dialog.visible = false; - - username = username_entry.text; - password = password_entry.text; - } - - [GtkCallback] - private void device_combo_changed_cb (Gtk.Widget widget) - { - if (setting_devices) - return; - user_selected_device = true; - if (selected_device != null) - settings.set_string ("selected-device", selected_device); - } - - private void update_info_bar () - { - Gtk.MessageType type; - string title, text, image_id; - bool show_close_button = false; - bool show_install_button = false; - bool show_change_scanner_button = false; - - if (have_error) - { - type = Gtk.MessageType.ERROR; - image_id = "dialog-error"; - title = error_title; - text = error_text; - show_close_button = true; - show_change_scanner_button = error_change_scanner_hint; - } - else if (device_model.iter_n_children (null) == 0) - { - type = Gtk.MessageType.WARNING; - image_id = "dialog-warning"; - if (missing_driver == null) - { - /* Warning displayed when no scanners are detected */ - title = _("No scanners detected"); - /* Hint to user on why there are no scanners detected */ - text = _("Please check your scanner is connected and powered on"); - } - else - { - /* Warning displayed when no drivers are installed but a compatible scanner is detected */ - title = _("Additional software needed"); - /* Instructions to install driver software */ - text = _("You need to install driver software for your scanner."); - show_install_button = true; - } - } - else - { - info_bar.visible = false; - return; - } - - info_bar.message_type = type; - info_bar_image.set_from_icon_name (image_id, Gtk.IconSize.DIALOG); - var message = "<big><b>%s</b></big>\n\n%s".printf (title, text); - info_bar_label.set_markup (message); - info_bar_close_button.visible = show_close_button; - info_bar_change_scanner_button.visible = show_change_scanner_button; - info_bar_install_button.visible = show_install_button; - info_bar.visible = true; - } - - public void set_scan_devices (List<ScanDevice> devices, string? missing_driver = null) - { - bool have_selection = false; - int index; - Gtk.TreeIter iter; - - setting_devices = true; - - this.missing_driver = missing_driver; - - /* If the user hasn't chosen a scanner choose the best available one */ - if (user_selected_device) - have_selection = device_combo.active >= 0; - - /* Add new devices */ - index = 0; - foreach (var device in devices) - { - int n_delete = -1; - - /* Find if already exists */ - if (device_model.iter_nth_child (out iter, null, index)) - { - int i = 0; - do - { - string name; - bool matched; - - device_model.get (iter, 0, out name, -1); - matched = name == device.name; - - if (matched) - { - n_delete = i; - break; - } - i++; - } while (device_model.iter_next (ref iter)); - } - - /* If exists, remove elements up to this one */ - if (n_delete >= 0) - { - int i; - - /* Update label */ - device_model.set (iter, 1, device.label, -1); - - for (i = 0; i < n_delete; i++) - { - device_model.iter_nth_child (out iter, null, index); - device_model.remove (iter); - } - } - else - { - device_model.insert (out iter, index); - device_model.set (iter, 0, device.name, 1, device.label, -1); - } - index++; - } - - /* Remove any remaining devices */ - while (device_model.iter_nth_child (out iter, null, index)) - device_model.remove (iter); - - /* Select the previously selected device or the first available device */ - if (!have_selection) - { - var device = settings.get_string ("selected-device"); - if (device != null && find_scan_device (device, out iter)) - device_combo.set_active_iter (iter); - else - device_combo.set_active (0); - } - - setting_devices = false; - - update_info_bar (); - } - - private string choose_file_location () - { - /* Get directory to save to */ - string? directory = null; - directory = settings.get_string ("save-directory"); - - if (directory == null || directory == "") - directory = Environment.get_user_special_dir (UserDirectory.DOCUMENTS); - - save_dialog = new Gtk.FileChooserDialog (/* Save dialog: Dialog title */ - _("Save As..."), - this, - Gtk.FileChooserAction.SAVE, - _("_Cancel"), Gtk.ResponseType.CANCEL, - _("_Save"), Gtk.ResponseType.ACCEPT, - null); - save_dialog.local_only = false; - if (book_uri != null) - save_dialog.set_uri (book_uri); - else { - save_dialog.set_current_folder (directory); - /* Default filename to use when saving document */ - save_dialog.set_current_name (_("Scanned Document.pdf")); - } - - /* Filter to only show images by default */ - var filter = new Gtk.FileFilter (); - filter.set_filter_name (/* Save dialog: Filter name to show only image files */ - _("Image Files")); - filter.add_pixbuf_formats (); - filter.add_mime_type ("application/pdf"); - save_dialog.add_filter (filter); - filter = new Gtk.FileFilter (); - filter.set_filter_name (/* Save dialog: Filter name to show all files */ - _("All Files")); - filter.add_pattern ("*"); - save_dialog.add_filter (filter); - - var file_type_store = new Gtk.ListStore (2, typeof (string), typeof (string)); - Gtk.TreeIter iter; - file_type_store.append (out iter); - file_type_store.set (iter, - /* Save dialog: Label for saving in PDF format */ - 0, _("PDF (multi-page document)"), - 1, ".pdf", - -1); - file_type_store.append (out iter); - file_type_store.set (iter, - /* Save dialog: Label for saving in JPEG format */ - 0, _("JPEG (compressed)"), - 1, ".jpg", - -1); - file_type_store.append (out iter); - file_type_store.set (iter, - /* Save dialog: Label for saving in PNG format */ - 0, _("PNG (lossless)"), - 1, ".png", - -1); - - var box = new Gtk.Box (Gtk.Orientation.HORIZONTAL, 6); - box.visible = true; - save_dialog.set_extra_widget (box); - - /* Label in save dialog beside combo box to choose file format (PDF, JPEG, PNG) */ - var label = new Gtk.Label (_("File format:")); - label.visible = true; - box.pack_start (label, false, false, 0); - - var file_type_combo = new Gtk.ComboBox.with_model (file_type_store); - file_type_combo.visible = true; - var renderer = new Gtk.CellRendererText (); - file_type_combo.pack_start (renderer, true); - file_type_combo.add_attribute (renderer, "text", 0); - - file_type_combo.set_active (0); - file_type_combo.changed.connect (() => - { - var extension = ""; - Gtk.TreeIter i; - if (file_type_combo.get_active_iter (out i)) - file_type_store.get (i, 1, out extension, -1); - - var path = save_dialog.get_filename (); - var filename = Path.get_basename (path); - - /* Replace extension */ - var extension_index = filename.last_index_of_char ('.'); - if (extension_index >= 0) - filename = filename.slice (0, extension_index); - filename = filename + extension; - save_dialog.set_current_name (filename); - }); - box.pack_start (file_type_combo, false, false, 0); - - string? uri = null; - while (true) - { - var response = save_dialog.run (); - if (response != Gtk.ResponseType.ACCEPT) - break; - - var extension = ""; - Gtk.TreeIter i; - if (file_type_combo.get_active_iter (out i)) - file_type_store.get (i, 1, out extension, -1); - - var path = save_dialog.get_filename (); - var filename = Path.get_basename (path); - - var extension_index = filename.last_index_of_char ('.'); - if (extension_index < 0) - path += extension; - - uri = File.new_for_path (path).get_uri (); - - /* Check the file(s) don't already exist */ - var files = new List<File> (); - var format = uri_to_format (uri); - if (format == "jpeg" || format == "png") - { - for (var j = 0; j < book.n_pages; j++) - files.append (book.make_indexed_file (uri, j)); - } - else - files.append (File.new_for_uri (uri)); - - if (check_overwrite (save_dialog, files)) - break; - } - - settings.set_string ("save-directory", save_dialog.get_current_folder ()); - - save_dialog.destroy (); - save_dialog = null; - - return uri; - } - - private bool check_overwrite (Gtk.Window parent, List<File> files) - { - foreach (var file in files) - { - if (!file.query_exists ()) - continue; - - var dialog = new Gtk.MessageDialog (parent, Gtk.DialogFlags.MODAL | Gtk.DialogFlags.DESTROY_WITH_PARENT, Gtk.MessageType.QUESTION, Gtk.ButtonsType.NONE, - /* Contents of dialog that shows if saving would overwrite and existing file. %s is replaced with the name of the file. */ - _("A file named “%s” already exists. Do you want to replace it?"), file.get_basename ()); - dialog.add_button (_("_Cancel"), Gtk.ResponseType.CANCEL); - dialog.add_button (/* Button in dialog that shows if saving would overwrite and existing file. Clicking the button allows simple-scan to overwrite the file. */ - _("_Replace"), Gtk.ResponseType.ACCEPT); - var response = dialog.run (); - dialog.destroy (); - - if (response != Gtk.ResponseType.ACCEPT) - return false; - } - - return true; - } - - private string uri_to_format (string uri) - { - var uri_lower = uri.down (); - if (uri_lower.has_suffix (".pdf")) - return "pdf"; - else if (uri_lower.has_suffix (".png")) - return "png"; - else - return "jpeg"; - } - - private bool save_document () - { - var uri = choose_file_location (); - if (uri == null) - return false; - - var file = File.new_for_uri (uri); - - debug ("Saving to '%s'", uri); - - var format = uri_to_format (uri); - - show_progress_dialog (); - try - { - book.save (format, quality, file); - } - catch (Error e) - { - hide_progress_dialog (); - warning ("Error saving file: %s", e.message); - show_error (/* Title of error dialog when save failed */ - _("Failed to save file"), - e.message, - false); - return false; - } - - book_needs_saving = false; - book_uri = uri; - return true; - } - - private bool prompt_to_save (string title, string discard_label) - { - if (!book_needs_saving) - return true; - - var dialog = new Gtk.MessageDialog (this, - Gtk.DialogFlags.MODAL, - Gtk.MessageType.WARNING, - Gtk.ButtonsType.NONE, - "%s", title); - dialog.format_secondary_text ("%s", - /* Text in dialog warning when a document is about to be lost*/ - _("If you don't save, changes will be permanently lost.")); - dialog.add_button (discard_label, Gtk.ResponseType.NO); - dialog.add_button (_("_Cancel"), Gtk.ResponseType.CANCEL); - dialog.add_button (_("_Save"), Gtk.ResponseType.YES); - - var response = dialog.run (); - dialog.destroy (); - - switch (response) - { - case Gtk.ResponseType.YES: - if (save_document ()) - return true; - else - return false; - case Gtk.ResponseType.NO: - return true; - default: - return false; - } - } - - private void clear_document () - { - book_view.default_page = new Page (default_page_width, - default_page_height, - default_page_dpi, - default_page_scan_direction); - book.clear (); - book_needs_saving = false; - book_uri = null; - save_menuitem.sensitive = false; - email_menuitem.sensitive = false; - print_menuitem.sensitive = false; - save_button.sensitive = false; - save_toolbutton.sensitive = false; - copy_to_clipboard_menuitem.sensitive = false; - } - - private void new_document () - { - if (!prompt_to_save (/* Text in dialog warning when a document is about to be lost */ - _("Save current document?"), - /* Button in dialog to create new document and discard unsaved document */ - _("Discard Changes"))) - return; - - if (scanning) - stop_scan (); - clear_document (); - } - - [GtkCallback] - private void new_button_clicked_cb (Gtk.Widget widget) - { - new_document(); - } - - public void new_document_activate_cb () - { - new_document(); - } - - private void set_document_hint (string document_hint, bool save = false) - { - this.document_hint = document_hint; - - if (document_hint == "text") - { - text_button_menuitem.active = true; - text_button_hb_menuitem.active = true; - text_menuitem.active = true; - } - else if (document_hint == "photo") - { - photo_button_menuitem.active = true; - photo_button_hb_menuitem.active = true; - photo_menuitem.active = true; - } - - if (save) - settings.set_string ("document-type", document_hint); - } - - [GtkCallback] - private void text_menuitem_toggled_cb (Gtk.CheckMenuItem widget) - { - if (widget.active) - set_document_hint ("text", true); - } - - [GtkCallback] - private void photo_menuitem_toggled_cb (Gtk.CheckMenuItem widget) - { - if (widget.active) - set_document_hint ("photo", true); - } - - private void set_page_side (ScanType page_side) - { - Gtk.TreeIter iter; - - if (page_side_model.get_iter_first (out iter)) - { - do - { - int s; - page_side_model.get (iter, 0, out s, -1); - if (s == page_side) - { - page_side_combo.set_active_iter (iter); - return; - } - } while (page_side_model.iter_next (ref iter)); - } - } - - private void set_paper_size (int width, int height) - { - Gtk.TreeIter iter; - bool have_iter; - - for (have_iter = paper_size_model.get_iter_first (out iter); - have_iter; - have_iter = paper_size_model.iter_next (ref iter)) - { - int w, h; - paper_size_model.get (iter, 0, out w, 1, out h, -1); - if (w == width && h == height) - break; - } - - if (!have_iter) - have_iter = paper_size_model.get_iter_first (out iter); - if (have_iter) - paper_size_combo.set_active_iter (iter); - } - - private int get_text_dpi () - { - Gtk.TreeIter iter; - int dpi = DEFAULT_TEXT_DPI; - - if (text_dpi_combo.get_active_iter (out iter)) - text_dpi_model.get (iter, 0, out dpi, -1); - - return dpi; - } - - private int get_photo_dpi () - { - Gtk.TreeIter iter; - int dpi = DEFAULT_PHOTO_DPI; - - if (photo_dpi_combo.get_active_iter (out iter)) - photo_dpi_model.get (iter, 0, out dpi, -1); - - return dpi; - } - - private ScanType get_page_side () - { - Gtk.TreeIter iter; - int page_side = ScanType.ADF_BOTH; - - if (page_side_combo.get_active_iter (out iter)) - page_side_model.get (iter, 0, out page_side, -1); - - return (ScanType) page_side; - } - - private bool get_paper_size (out int width, out int height) - { - Gtk.TreeIter iter; - - width = height = 0; - if (paper_size_combo.get_active_iter (out iter)) - { - paper_size_model.get (iter, 0, ref width, 1, ref height, -1); - return true; - } - - return false; - } - - private ScanOptions make_scan_options () - { - var options = new ScanOptions (); - if (document_hint == "text") - { - options.scan_mode = ScanMode.GRAY; - options.dpi = get_text_dpi (); - options.depth = 2; - } - else - { - options.scan_mode = ScanMode.COLOR; - options.dpi = get_photo_dpi (); - options.depth = 8; - } - get_paper_size (out options.paper_width, out options.paper_height); - options.brightness = brightness; - options.contrast = contrast; - options.page_delay = page_delay; - - return options; - } - - [GtkCallback] - private void scan_button_clicked_cb (Gtk.Widget widget) - { - var options = make_scan_options (); - options.type = ScanType.SINGLE; - start_scan (selected_device, options); - } - - [GtkCallback] - private void stop_scan_button_clicked_cb (Gtk.Widget widget) - { - stop_scan (); - } - - [GtkCallback] - private void continuous_scan_button_clicked_cb (Gtk.Widget widget) - { - if (scanning) - stop_scan (); - else - { - var options = make_scan_options (); - options.type = get_page_side (); - start_scan (selected_device, options); - } - } - - [GtkCallback] - private void batch_button_clicked_cb (Gtk.Widget widget) - { - var options = make_scan_options (); - options.type = ScanType.BATCH; - start_scan (selected_device, options); - } - - [GtkCallback] - private void preferences_button_clicked_cb (Gtk.Widget widget) - { - preferences_dialog.present (); - } - - public void preferences_activate_cb () - { - preferences_dialog.present (); - } - - [GtkCallback] - private bool preferences_dialog_delete_event_cb (Gtk.Widget widget, Gdk.EventAny event) - { - return true; - } - - [GtkCallback] - private void preferences_dialog_response_cb (Gtk.Widget widget, int response_id) - { - preferences_dialog.visible = false; - } - - private void update_page_menu () - { - var page = book_view.selected_page; - if (page == null) - { - page_move_left_menuitem.sensitive = false; - page_move_right_menuitem.sensitive = false; - } - else - { - var index = book.get_page_index (page); - page_move_left_menuitem.sensitive = index > 0; - page_move_right_menuitem.sensitive = index < book.n_pages - 1; - } - } - - private void page_selected_cb (BookView view, Page? page) - { - if (page == null) - return; - - updating_page_menu = true; - - update_page_menu (); - - var menuitem = no_crop_menuitem; - if (page.has_crop) - { - var crop_name = page.crop_name; - if (crop_name != null) - { - if (crop_name == "A4") - menuitem = a4_menuitem; - else if (crop_name == "A5") - menuitem = a5_menuitem; - else if (crop_name == "A6") - menuitem = a6_menuitem; - else if (crop_name == "letter") - menuitem = letter_menuitem; - else if (crop_name == "legal") - menuitem = legal_menuitem; - else if (crop_name == "4x6") - menuitem = four_by_six_menuitem; - } - else - menuitem = custom_crop_menuitem; - } - - menuitem.active = true; - crop_button.active = page.has_crop; - crop_toolbutton.active = page.has_crop; - - updating_page_menu = false; - } - - private void show_page_cb (BookView view, Page page) - { - var path = get_temporary_filename ("scanned-page", "png"); - if (path == null) - return; - var file = File.new_for_path (path); - - try - { - page.save ("png", quality, file); - } - catch (Error e) - { - show_error_dialog (/* Error message display when unable to save image for preview */ - _("Unable to save image for preview"), - e.message); - return; - } - - try - { - Gtk.show_uri (screen, file.get_uri (), Gtk.get_current_event_time ()); - } - catch (Error e) - { - show_error_dialog (/* Error message display when unable to preview image */ - _("Unable to open image preview application"), - e.message); - } - } - - private void show_page_menu_cb (BookView view) - { - page_menu.popup (null, null, null, 3, Gtk.get_current_event_time ()); - } - - [GtkCallback] - private void rotate_left_button_clicked_cb (Gtk.Widget widget) - { - if (updating_page_menu) - return; - var page = book_view.selected_page; - if (page != null) - page.rotate_left (); - } - - [GtkCallback] - private void rotate_right_button_clicked_cb (Gtk.Widget widget) - { - if (updating_page_menu) - return; - var page = book_view.selected_page; - if (page != null) - page.rotate_right (); - } - - private void set_crop (string? crop_name) - { - crop_rotate_menuitem.sensitive = crop_name != null; - - if (updating_page_menu) - return; - - var page = book_view.selected_page; - if (page == null) - { - warning ("Trying to set crop but no selected page"); - return; - } - - if (crop_name == null) - page.set_no_crop (); - else if (crop_name == "custom") - { - var width = page.width; - var height = page.height; - var crop_width = (int) (width * 0.8 + 0.5); - var crop_height = (int) (height * 0.8 + 0.5); - page.set_custom_crop (crop_width, crop_height); - page.move_crop ((width - crop_width) / 2, (height - crop_height) / 2); - } - else - page.set_named_crop (crop_name); - } - - [GtkCallback] - private void no_crop_menuitem_toggled_cb (Gtk.CheckMenuItem widget) - { - if (widget.active) - set_crop (null); - } - - [GtkCallback] - private void custom_crop_menuitem_toggled_cb (Gtk.CheckMenuItem widget) - { - if (widget.active) - set_crop ("custom"); - } - - [GtkCallback] - private void crop_button_toggled_cb (Gtk.ToggleButton widget) - { - if (updating_page_menu) - return; - - if (widget.active) - custom_crop_menuitem.active = true; - else - no_crop_menuitem.active = true; - } - - [GtkCallback] - private void crop_toolbutton_toggled_cb (Gtk.ToggleToolButton widget) - { - if (updating_page_menu) - return; - - if (widget.active) - custom_crop_menuitem.active = true; - else - no_crop_menuitem.active = true; - } - - [GtkCallback] - private void four_by_six_menuitem_toggled_cb (Gtk.CheckMenuItem widget) - { - if (widget.active) - set_crop ("4x6"); - } - - [GtkCallback] - private void legal_menuitem_toggled_cb (Gtk.CheckMenuItem widget) - { - if (widget.active) - set_crop ("legal"); - } - - [GtkCallback] - private void letter_menuitem_toggled_cb (Gtk.CheckMenuItem widget) - { - if (widget.active) - set_crop ("letter"); - } - - [GtkCallback] - private void a6_menuitem_toggled_cb (Gtk.CheckMenuItem widget) - { - if (widget.active) - set_crop ("A6"); - } - - [GtkCallback] - private void a5_menuitem_toggled_cb (Gtk.CheckMenuItem widget) - { - if (widget.active) - set_crop ("A5"); - } - - [GtkCallback] - private void a4_menuitem_toggled_cb (Gtk.CheckMenuItem widget) - { - if (widget.active) - set_crop ("A4"); - } - - [GtkCallback] - private void crop_rotate_menuitem_activate_cb (Gtk.Widget widget) - { - var page = book_view.selected_page; - if (page == null) - return; - page.rotate_crop (); - } - - [GtkCallback] - private void page_move_left_menuitem_activate_cb (Gtk.Widget widget) - { - var page = book_view.selected_page; - var index = book.get_page_index (page); - if (index > 0) - book.move_page (page, index - 1); - } - - [GtkCallback] - private void page_move_right_menuitem_activate_cb (Gtk.Widget widget) - { - var page = book_view.selected_page; - var index = book.get_page_index (page); - if (index < book.n_pages - 1) - book.move_page (page, book.get_page_index (page) + 1); - } - - [GtkCallback] - private void page_delete_menuitem_activate_cb (Gtk.Widget widget) - { - book_view.book.delete_page (book_view.selected_page); - } - - private void reorder_document () - { - var dialog = new Gtk.Window (); - dialog.type_hint = Gdk.WindowTypeHint.DIALOG; - dialog.modal = true; - dialog.border_width = 12; - /* Title of dialog to reorder pages */ - dialog.title = _("Reorder Pages"); - dialog.set_transient_for (this); - dialog.key_press_event.connect ((e) => - { - if (e.state == 0 && e.keyval == Gdk.Key.Escape) - { - dialog.destroy (); - return true; - } - - return false; - }); - dialog.visible = true; - - var g = new Gtk.Grid (); - g.row_homogeneous = true; - g.row_spacing = 6; - g.column_homogeneous = true; - g.column_spacing = 6; - g.visible = true; - dialog.add (g); - - /* Label on button for combining sides in reordering dialog */ - var b = make_reorder_button (_("Combine sides"), "F1F2F3B1B2B3-F1B1F2B2F3B3"); - b.clicked.connect (() => - { - book.combine_sides (); - dialog.destroy (); - }); - b.visible = true; - g.attach (b, 0, 0, 1, 1); - - /* Label on button for combining sides in reverse order in reordering dialog */ - b = make_reorder_button (_("Combine sides (reverse)"), "F1F2F3B3B2B1-F1B1F2B2F3B3"); - b.clicked.connect (() => - { - book.combine_sides_reverse (); - dialog.destroy (); - }); - b.visible = true; - g.attach (b, 1, 0, 1, 1); - - /* Label on button for reversing in reordering dialog */ - b = make_reorder_button (_("Reverse"), "C1C2C3C4C5C6-C6C5C4C3C2C1"); - b.clicked.connect (() => - { - book.reverse (); - dialog.destroy (); - }); - b.visible = true; - g.attach (b, 0, 2, 1, 1); - - /* Label on button for cancelling page reordering dialog */ - b = make_reorder_button (_("Keep unchanged"), "C1C2C3C4C5C6-C1C2C3C4C5C6"); - b.clicked.connect (() => - { - dialog.destroy (); - }); - b.visible = true; - g.attach (b, 1, 2, 1, 1); - - dialog.present (); - } - - public void reorder_document_activate_cb () - { - reorder_document (); - } - - [GtkCallback] - private void reorder_menuitem_activate_cb (Gtk.Widget widget) - { - reorder_document (); - } - - private Gtk.Button make_reorder_button (string text, string items) - { - var b = new Gtk.Button (); - - var vbox = new Gtk.Box (Gtk.Orientation.VERTICAL, 6); - vbox.visible = true; - b.add (vbox); - - var label = new Gtk.Label (text); - label.visible = true; - vbox.pack_start (label, true, true, 0); - - var rb = make_reorder_box (items); - rb.visible = true; - vbox.pack_start (rb, true, true, 0); - - return b; - } - - private Gtk.Box make_reorder_box (string items) - { - var box = new Gtk.Box (Gtk.Orientation.HORIZONTAL, 6); - box.visible = true; - - Gtk.Box? page_box = null; - for (var i = 0; items[i] != '\0'; i++) - { - if (items[i] == '-') - { - var a = new Gtk.Arrow (Gtk.ArrowType.RIGHT, Gtk.ShadowType.NONE); - a.visible = true; - box.pack_start (a, false, false, 0); - page_box = null; - continue; - } - - /* First character describes side */ - var side = items[i]; - i++; - if (items[i] == '\0') - break; - - if (page_box == null) - { - page_box = new Gtk.Box (Gtk.Orientation.HORIZONTAL, 3); - page_box.visible = true; - box.pack_start (page_box, false, false, 0); - } - - /* Get colours for each page (from Tango palette) */ - var r = 1.0; - var g = 1.0; - var b = 1.0; - switch (side) - { - case 'F': - /* Plum */ - r = 0x75 / 255.0; - g = 0x50 / 255.0; - b = 0x7B / 255.0; - break; - case 'B': - /* Orange */ - r = 0xF5 / 255.0; - g = 0x79 / 255.0; - b = 0.0; - break; - case 'C': - /* Butter to Scarlet Red */ - var p = (items[i] - '1') / 5.0; - r = (0xED / 255.0) * (1 - p) + 0xCC * p; - g = (0xD4 / 255.0) * (1 - p); - b = 0; - break; - } - - /* Mix with white to look more paper like */ - r = r + (1.0 - r) * 0.7; - g = g + (1.0 - g) * 0.7; - b = b + (1.0 - b) * 0.7; - - var icon = new PageIcon ("%c".printf (items[i]), r, g, b); - icon.visible = true; - page_box.pack_start (icon, false, false, 0); - } - - return box; - } - - [GtkCallback] - private void save_file_button_clicked_cb (Gtk.Widget widget) - { - save_document (); - } - - public void save_document_activate_cb () - { - save_document (); - } - - [GtkCallback] - private void copy_to_clipboard_button_clicked_cb (Gtk.Widget widget) - { - var page = book_view.selected_page; - if (page != null) - page.copy_to_clipboard (this); - } - - private void draw_page (Gtk.PrintOperation operation, - Gtk.PrintContext print_context, - int page_number) - { - var context = print_context.get_cairo_context (); - var page = book.get_page (page_number); - - /* Rotate to same aspect */ - bool is_landscape = false; - if (print_context.get_width () > print_context.get_height ()) - is_landscape = true; - if (page.is_landscape != is_landscape) - { - context.translate (print_context.get_width (), 0); - context.rotate (Math.PI_2); - } - - context.scale (print_context.get_dpi_x () / page.dpi, - print_context.get_dpi_y () / page.dpi); - - var image = page.get_image (true); - Gdk.cairo_set_source_pixbuf (context, image, 0, 0); - context.paint (); - } - - [GtkCallback] - private void email_button_clicked_cb (Gtk.Widget widget) - { - email (document_hint, quality); - } - - public void email_document_activate_cb () - { - email (document_hint, quality); - } - - private void print_document () - { - var print = new Gtk.PrintOperation (); - print.n_pages = (int) book.n_pages; - print.draw_page.connect (draw_page); - - try - { - print.run (Gtk.PrintOperationAction.PRINT_DIALOG, this); - } - catch (Error e) - { - warning ("Error printing: %s", e.message); - } - - print.draw_page.disconnect (draw_page); - } - - [GtkCallback] - private void print_button_clicked_cb (Gtk.Widget widget) - { - print_document (); - } - - public void print_document_activate_cb () - { - print_document (); - } - - private void launch_help () - { - try - { - Gtk.show_uri (screen, "help:simple-scan", Gtk.get_current_event_time ()); - } - catch (Error e) - { - show_error_dialog (/* Error message displayed when unable to launch help browser */ - _("Unable to open help file"), - e.message); - } - } - - [GtkCallback] - private void help_contents_menuitem_activate_cb (Gtk.Widget widget) - { - launch_help (); - } - - public void help_contents_activate_cb () - { - launch_help (); - } - - private void show_about () - { - string[] authors = { "Robert Ancell <robert.ancell@canonical.com>" }; - - /* The license this software is under (GPL3+) */ - string license = _("This program is free software: you can redistribute it and/or modify\nit under the terms of the GNU General Public License as published by\nthe Free Software Foundation, either version 3 of the License, or\n(at your option) any later version.\n\nThis program is distributed in the hope that it will be useful,\nbut WITHOUT ANY WARRANTY; without even the implied warranty of\nMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\nGNU General Public License for more details.\n\nYou should have received a copy of the GNU General Public License\nalong with this program. If not, see <http://www.gnu.org/licenses/>."); - - /* Title of about dialog */ - string title = _("About Simple Scan"); - - /* Description of program */ - string description = _("Simple document scanning tool"); - - Gtk.show_about_dialog (this, - "title", title, - "program-name", "Simple Scan", - "version", VERSION, - "comments", description, - "logo-icon-name", "scanner", - "authors", authors, - "translator-credits", _("translator-credits"), - "website", "https://launchpad.net/simple-scan", - "copyright", "Copyright © 2009-2015 Canonical Ltd.", - "license", license, - "wrap-license", true, - null); - } - - [GtkCallback] - private void about_menuitem_activate_cb (Gtk.Widget widget) - { - show_about (); - } - - public void about_activate_cb () - { - show_about (); - } - - private bool on_quit () - { - if (!prompt_to_save (/* Text in dialog warning when a document is about to be lost */ - _("Save document before quitting?"), - /* Button in dialog to quit and discard unsaved document */ - _("Quit without Saving"))) - return false; - - destroy (); - - if (save_state_timeout != 0) - save_state (true); - - autosave_manager.cleanup (); - - return true; - } - - [GtkCallback] - private void quit_menuitem_activate_cb (Gtk.Widget widget) - { - on_quit (); - } - - public void quit_activate_cb () - { - on_quit (); - } - - public override void size_allocate (Gtk.Allocation allocation) - { - base.size_allocate (allocation); - - if (!window_is_maximized && !window_is_fullscreen) - { - get_size (out window_width, out window_height); - save_state (); - } - } - - private void info_bar_response_cb (Gtk.InfoBar widget, int response_id) - { - switch (response_id) - { - /* Change scanner */ - case 1: - device_combo.grab_focus (); - preferences_dialog.present (); - break; - /* Install drivers */ - case 2: - install_drivers (); - break; - default: - have_error = false; - error_title = null; - error_text = null; - update_info_bar (); - break; - } - } - - private void install_drivers () - { - var message = "", instructions = ""; - string[] packages_to_install = {}; - switch (missing_driver) - { - case "brscan": - case "brscan2": - case "brscan3": - case "brscan4": - /* Message to indicate a Brother scanner has been detected */ - message = _("You appear to have a Brother scanner."); - /* Instructions on how to install Brother scanner drivers */ - instructions = _("Drivers for this are available on the <a href=\"http://support.brother.com\">Brother website</a>."); - break; - case "samsung": - /* Message to indicate a Samsung scanner has been detected */ - message = _("You appear to have a Samsung scanner."); - /* Instructions on how to install Samsung scanner drivers */ - instructions = _("Drivers for this are available on the <a href=\"http://samsung.com/support\">Samsung website</a>."); - break; - case "hpaio": - /* Message to indicate a HP scanner has been detected */ - message = _("You appear to have an HP scanner."); - packages_to_install = { "libsane-hpaio" }; - break; - case "epkowa": - /* Message to indicate an Epson scanner has been detected */ - message = _("You appear to have an Epson scanner."); - /* Instructions on how to install Epson scanner drivers */ - instructions = _("Drivers for this are available on the <a href=\"http://support.epson.com\">Epson website</a>."); - break; - } - var dialog = new Gtk.Dialog.with_buttons (/* Title of dialog giving instructions on how to install drivers */ - _("Install drivers"), this, Gtk.DialogFlags.MODAL, _("_Close"), Gtk.ResponseType.CLOSE); - dialog.get_content_area ().border_width = 12; - dialog.get_content_area ().spacing = 6; - - var label = new Gtk.Label (message); - label.visible = true; - label.xalign = 0f; - dialog.get_content_area ().pack_start (label, true, true, 0); - - var instructions_box = new Gtk.Box (Gtk.Orientation.HORIZONTAL, 6); - instructions_box.visible = true; - dialog.get_content_area ().pack_start (instructions_box, true, true, 0); - - var stack = new Gtk.Stack (); - instructions_box.pack_start (stack, false, false, 0); - - var spinner = new Gtk.Spinner (); - spinner.visible = true; - stack.add (spinner); - - var status_label = new Gtk.Label (""); - status_label.visible = true; - stack.add (status_label); - - var instructions_label = new Gtk.Label (instructions); - instructions_label.visible = true; - instructions_label.xalign = 0f; - instructions_label.use_markup = true; - instructions_box.pack_start (instructions_label, false, false, 0); - - label = new Gtk.Label (/* Message in driver install dialog */ - _("Once installed you will need to restart Simple Scan.")); - label.visible = true; - label.xalign = 0f; - dialog.get_content_area ().border_width = 12; - dialog.get_content_area ().pack_start (label, true, true, 0); - - if (packages_to_install.length > 0) - { -#if HAVE_PACKAGEKIT - stack.visible = true; - spinner.active = true; - instructions_label.set_text (/* Label shown while installing drivers */ - _("Installing drivers...")); - install_packages.begin (packages_to_install, () => {}, (object, result) => - { - status_label.visible = true; - spinner.active = false; - status_label.set_text ("☒"); - stack.visible_child = status_label; - /* Label shown once drivers successfully installed */ - var result_text = _("Drivers installed successfully!"); - try - { - var results = install_packages.end (result); - if (results.get_error_code () == null) - status_label.set_text ("☑"); - else - { - var e = results.get_error_code (); - /* Label shown if failed to install drivers */ - result_text = _("Failed to install drivers (error code %d).").printf (e.code); - } - } - catch (Error e) - { - /* Label shown if failed to install drivers */ - result_text = _("Failed to install drivers."); - warning ("Failed to install drivers: %s", e.message); - } - instructions_label.set_text (result_text); - }); -#else - instructions_label.set_text (/* Label shown to prompt user to install packages (when PackageKit not available) */ - _("You need to install the %s package(s).").printf (string.joinv (", ", packages_to_install))); -#endif - } - - dialog.run (); - dialog.destroy (); - } - -#if HAVE_PACKAGEKIT - private async Pk.Results? install_packages (string[] packages, Pk.ProgressCallback progress_callback) throws GLib.Error - { - var task = new Pk.Task (); - Pk.Results results; - results = yield task.resolve_async (Pk.Filter.NOT_INSTALLED, packages, null, progress_callback); - if (results == null || results.get_error_code () != null) - return results; - - var package_array = results.get_package_array (); - var package_ids = new string[package_array.length + 1]; - package_ids[package_array.length] = null; - for (var i = 0; i < package_array.length; i++) - package_ids[i] = package_array.data[i].get_id (); - - return yield task.install_packages_async (package_ids, null, progress_callback); - } -#endif - - public override bool window_state_event (Gdk.EventWindowState event) - { - var result = Gdk.EVENT_PROPAGATE; - - if (base.window_state_event != null) - result = base.window_state_event (event); - - if ((event.changed_mask & Gdk.WindowState.MAXIMIZED) != 0) - { - window_is_maximized = (event.new_window_state & Gdk.WindowState.MAXIMIZED) != 0; - save_state (); - } - if ((event.changed_mask & Gdk.WindowState.FULLSCREEN) != 0) - { - window_is_fullscreen = (event.new_window_state & Gdk.WindowState.FULLSCREEN) != 0; - save_state (); - } - - return result; - } - - [GtkCallback] - private bool window_delete_event_cb (Gtk.Widget widget, Gdk.EventAny event) - { - return !on_quit (); - } - - private void page_size_changed_cb (Page page) - { - default_page_width = page.width; - default_page_height = page.height; - default_page_dpi = page.dpi; - save_state (); - } - - private void page_scan_direction_changed_cb (Page page) - { - default_page_scan_direction = page.scan_direction; - save_state (); - } - - private void page_added_cb (Book book, Page page) - { - page_size_changed_cb (page); - default_page_scan_direction = page.scan_direction; - page.size_changed.connect (page_size_changed_cb); - page.scan_direction_changed.connect (page_scan_direction_changed_cb); - - update_page_menu (); - } - - private void reordered_cb (Book book) - { - update_page_menu (); - } - - private void page_removed_cb (Book book, Page page) - { - page.size_changed.disconnect (page_size_changed_cb); - page.scan_direction_changed.disconnect (page_scan_direction_changed_cb); - - update_page_menu (); - } - - private void set_dpi_combo (Gtk.ComboBox combo, int default_dpi, int current_dpi) - { - var renderer = new Gtk.CellRendererText (); - combo.pack_start (renderer, true); - combo.add_attribute (renderer, "text", 1); - - var model = combo.model as Gtk.ListStore; - int[] scan_resolutions = {75, 150, 300, 600, 1200, 2400}; - foreach (var dpi in scan_resolutions) - { - string label; - if (dpi == default_dpi) - /* Preferences dialog: Label for default resolution in resolution list */ - label = _("%d dpi (default)").printf (dpi); - else if (dpi == 75) - /* Preferences dialog: Label for minimum resolution in resolution list */ - label = _("%d dpi (draft)").printf (dpi); - else if (dpi == 1200) - /* Preferences dialog: Label for maximum resolution in resolution list */ - label = _("%d dpi (high resolution)").printf (dpi); - else - /* Preferences dialog: Label for resolution value in resolution list (dpi = dots per inch) */ - label = _("%d dpi").printf (dpi); - - Gtk.TreeIter iter; - model.append (out iter); - model.set (iter, 0, dpi, 1, label, -1); - - if (dpi == current_dpi) - combo.set_active_iter (iter); - } - } - - private void book_changed_cb (Book book) - { - save_menuitem.sensitive = true; - email_menuitem.sensitive = true; - print_menuitem.sensitive = true; - save_button.sensitive = true; - save_toolbutton.sensitive = true; - book_needs_saving = true; - copy_to_clipboard_menuitem.sensitive = true; - } - - private void load () - { - Gtk.IconTheme.get_default ().append_search_path (ICON_DIR); - - Gtk.Window.set_default_icon_name ("scanner"); - - var app = Application.get_default () as Gtk.Application; - - if (is_traditional_desktop ()) - { - set_titlebar (null); - menubar.visible = true; - toolbar.visible = true; - } - else - { - app.add_action_entries (action_entries, this); - - var appmenu = new Menu (); - var section = new Menu (); - appmenu.append_section (null, section); - section.append (_("New Document"), "app.new_document"); - - section = new Menu (); - appmenu.append_section (null, section); - var menu = new Menu (); - section.append_submenu (_("Document"), menu); - menu.append (_("Reorder Pages"), "app.reorder"); - menu.append (_("Save"), "app.save"); - menu.append (_("Email..."), "app.email"); - menu.append (_("Print..."), "app.print"); - - section = new Menu (); - appmenu.append_section (null, section); - section.append (_("Preferences"), "app.preferences"); - - section = new Menu (); - appmenu.append_section (null, section); - section.append (_("Help"), "app.help"); - section.append (_("About"), "app.about"); - section.append (_("Quit"), "app.quit"); - - app.app_menu = appmenu; - - app.add_accelerator ("<Ctrl>N", "app.new_document", null); - app.add_accelerator ("<Ctrl>S", "app.save", null); - app.add_accelerator ("<Ctrl>E", "app.email", null); - app.add_accelerator ("<Ctrl>P", "app.print", null); - app.add_accelerator ("F1", "app.help", null); - app.add_accelerator ("<Ctrl>Q", "app.quit", null); - } - app.add_window (this); - - /* Add InfoBar (not supported in Glade) */ - info_bar = new Gtk.InfoBar (); - info_bar.response.connect (info_bar_response_cb); - main_vbox.pack_start (info_bar, false, true, 0); - var hbox = new Gtk.Box (Gtk.Orientation.HORIZONTAL, 12); - var content_area = info_bar.get_content_area () as Gtk.Container; - content_area.add (hbox); - hbox.visible = true; - - info_bar_image = new Gtk.Image.from_icon_name ("dialog-warning", Gtk.IconSize.DIALOG); - hbox.pack_start (info_bar_image, false, true, 0); - info_bar_image.visible = true; - - info_bar_label = new Gtk.Label (null); - info_bar_label.set_alignment (0.0f, 0.5f); - hbox.pack_start (info_bar_label, true, true, 0); - info_bar_label.visible = true; - - info_bar_close_button = info_bar.add_button (_("_Close"), Gtk.ResponseType.CLOSE) as Gtk.Button; - info_bar_change_scanner_button = info_bar.add_button (/* Button in error infobar to open preferences dialog and change scanner */ - _("Change _Scanner"), 1) as Gtk.Button; - info_bar_install_button = info_bar.add_button (/* Button in error infobar to prompt user to install drivers */ - _("_Install Drivers"), 2) as Gtk.Button; - - Gtk.TreeIter iter; - paper_size_model.append (out iter); - paper_size_model.set (iter, 0, 0, 1, 0, 2, - /* Combo box value for automatic paper size */ - _("Automatic"), -1); - paper_size_model.append (out iter); - paper_size_model.set (iter, 0, 1050, 1, 1480, 2, "A6", -1); - paper_size_model.append (out iter); - paper_size_model.set (iter, 0, 1480, 1, 2100, 2, "A5", -1); - paper_size_model.append (out iter); - paper_size_model.set (iter, 0, 2100, 1, 2970, 2, "A4", -1); - paper_size_model.append (out iter); - paper_size_model.set (iter, 0, 2159, 1, 2794, 2, "Letter", -1); - paper_size_model.append (out iter); - paper_size_model.set (iter, 0, 2159, 1, 3556, 2, "Legal", -1); - paper_size_model.append (out iter); - paper_size_model.set (iter, 0, 1016, 1, 1524, 2, "4×6", -1); - - var dpi = settings.get_int ("text-dpi"); - if (dpi <= 0) - dpi = DEFAULT_TEXT_DPI; - set_dpi_combo (text_dpi_combo, DEFAULT_TEXT_DPI, dpi); - text_dpi_combo.changed.connect (() => { settings.set_int ("text-dpi", get_text_dpi ()); }); - dpi = settings.get_int ("photo-dpi"); - if (dpi <= 0) - dpi = DEFAULT_PHOTO_DPI; - set_dpi_combo (photo_dpi_combo, DEFAULT_PHOTO_DPI, dpi); - photo_dpi_combo.changed.connect (() => { settings.set_int ("photo-dpi", get_photo_dpi ()); }); - - var renderer = new Gtk.CellRendererText (); - device_combo.pack_start (renderer, true); - device_combo.add_attribute (renderer, "text", 1); - - renderer = new Gtk.CellRendererText (); - page_side_combo.pack_start (renderer, true); - page_side_combo.add_attribute (renderer, "text", 1); - set_page_side ((ScanType) settings.get_enum ("page-side")); - page_side_combo.changed.connect (() => { settings.set_enum ("page-side", get_page_side ()); }); - - renderer = new Gtk.CellRendererText (); - paper_size_combo.pack_start (renderer, true); - paper_size_combo.add_attribute (renderer, "text", 2); - var paper_width = settings.get_int ("paper-width"); - var paper_height = settings.get_int ("paper-height"); - set_paper_size (paper_width, paper_height); - paper_size_combo.changed.connect (() => - { - int w, h; - get_paper_size (out w, out h); - settings.set_int ("paper-width", w); - settings.set_int ("paper-height", h); - }); - - var lower = brightness_adjustment.lower; - var darker_label = "<small>%s</small>".printf (_("Darker")); - var upper = brightness_adjustment.upper; - var lighter_label = "<small>%s</small>".printf (_("Lighter")); - brightness_scale.add_mark (lower, Gtk.PositionType.BOTTOM, darker_label); - brightness_scale.add_mark (0, Gtk.PositionType.BOTTOM, null); - brightness_scale.add_mark (upper, Gtk.PositionType.BOTTOM, lighter_label); - brightness = settings.get_int ("brightness"); - brightness_adjustment.value_changed.connect (() => { settings.set_int ("brightness", brightness); }); - - lower = contrast_adjustment.lower; - var less_label = "<small>%s</small>".printf (_("Less")); - upper = contrast_adjustment.upper; - var more_label = "<small>%s</small>".printf (_("More")); - contrast_scale.add_mark (lower, Gtk.PositionType.BOTTOM, less_label); - contrast_scale.add_mark (0, Gtk.PositionType.BOTTOM, null); - contrast_scale.add_mark (upper, Gtk.PositionType.BOTTOM, more_label); - contrast = settings.get_int ("contrast"); - contrast_adjustment.value_changed.connect (() => { settings.set_int ("contrast", contrast); }); - - lower = quality_adjustment.lower; - var minimum_label = "<small>%s</small>".printf (_("Minimum")); - upper = quality_adjustment.upper; - var maximum_label = "<small>%s</small>".printf (_("Maximum")); - quality_scale.add_mark (lower, Gtk.PositionType.BOTTOM, minimum_label); - quality_scale.add_mark (75, Gtk.PositionType.BOTTOM, null); - quality_scale.add_mark (upper, Gtk.PositionType.BOTTOM, maximum_label); - quality = settings.get_int ("jpeg-quality"); - quality_adjustment.value_changed.connect (() => { settings.set_int ("jpeg-quality", quality); }); - - page_delay_scale.add_mark (0, Gtk.PositionType.BOTTOM, null); - page_delay_scale.add_mark (500, Gtk.PositionType.BOTTOM, null); - page_delay_scale.add_mark (1000, Gtk.PositionType.BOTTOM, null); - page_delay_scale.add_mark (2000, Gtk.PositionType.BOTTOM, null); - page_delay_scale.add_mark (4000, Gtk.PositionType.BOTTOM, null); - page_delay_scale.add_mark (6000, Gtk.PositionType.BOTTOM, null); - page_delay_scale.add_mark (8000, Gtk.PositionType.BOTTOM, null); - page_delay_scale.add_mark (10000, Gtk.PositionType.BOTTOM, null); - page_delay = settings.get_int ("page-delay"); - page_delay_scale.format_value.connect ((value) => { return "%.1fs".printf (value / 1000.0); }); - page_delay_adjustment.value_changed.connect (() => { settings.set_int ("page-delay", page_delay); }); - - var document_type = settings.get_string ("document-type"); - if (document_type != null) - set_document_hint (document_type); - - book_view = new BookView (book); - book_view.border_width = 18; - main_vbox.pack_end (book_view, true, true, 0); - book_view.page_selected.connect (page_selected_cb); - book_view.show_page.connect (show_page_cb); - book_view.show_menu.connect (show_page_menu_cb); - book_view.visible = true; - - authorize_dialog.transient_for = this; - preferences_dialog.transient_for = this; - - /* Load previous state */ - load_state (); - - /* Restore window size */ - debug ("Restoring window to %dx%d pixels", window_width, window_height); - set_default_size (window_width, window_height); - if (window_is_maximized) - { - debug ("Restoring window to maximized"); - maximize (); - } - if (window_is_fullscreen) - { - debug ("Restoring window to fullscreen"); - fullscreen (); - } - - progress_dialog = new ProgressBarDialog (this, _("Saving document...")); - book.saving.connect (book_saving_cb); - } - - private bool is_desktop (string name) - { - var desktop_name_list = Environment.get_variable ("XDG_CURRENT_DESKTOP"); - if (desktop_name_list == null) - return false; - - foreach (var n in desktop_name_list.split (":")) - if (n == name) - return true; - - return false; - } - - private bool is_traditional_desktop () - { - const string[] traditional_desktops = { "Unity", "XFCE", "MATE", "LXDE", "Cinnamon", "X-Cinnamon" }; - foreach (var name in traditional_desktops) - if (is_desktop (name)) - return true; - return false; - } - - private string state_filename - { - owned get { return Path.build_filename (Environment.get_user_cache_dir (), "simple-scan", "state"); } - } - - private void load_state () - { - debug ("Loading state from %s", state_filename); - - var f = new KeyFile (); - try - { - f.load_from_file (state_filename, KeyFileFlags.NONE); - } - catch (Error e) - { - if (!(e is FileError.NOENT)) - warning ("Failed to load state: %s", e.message); - } - window_width = state_get_integer (f, "window", "width", 600); - if (window_width <= 0) - window_width = 600; - window_height = state_get_integer (f, "window", "height", 400); - if (window_height <= 0) - window_height = 400; - window_is_maximized = state_get_boolean (f, "window", "is-maximized"); - window_is_fullscreen = state_get_boolean (f, "window", "is-fullscreen"); - default_page_width = state_get_integer (f, "last-page", "width", 595); - default_page_height = state_get_integer (f, "last-page", "height", 842); - default_page_dpi = state_get_integer (f, "last-page", "dpi", 72); - switch (state_get_string (f, "last-page", "scan-direction", "top-to-bottom")) - { - default: - case "top-to-bottom": - default_page_scan_direction = ScanDirection.TOP_TO_BOTTOM; - break; - case "bottom-to-top": - default_page_scan_direction = ScanDirection.BOTTOM_TO_TOP; - break; - case "left-to-right": - default_page_scan_direction = ScanDirection.LEFT_TO_RIGHT; - break; - case "right-to-left": - default_page_scan_direction = ScanDirection.RIGHT_TO_LEFT; - break; - } - } - - private int state_get_integer (KeyFile f, string group_name, string key, int default = 0) - { - try - { - return f.get_integer (group_name, key); - } - catch - { - return default; - } - } - - private bool state_get_boolean (KeyFile f, string group_name, string key, bool default = false) - { - try - { - return f.get_boolean (group_name, key); - } - catch - { - return default; - } - } - - private string state_get_string (KeyFile f, string group_name, string key, string default = "") - { - try - { - return f.get_string (group_name, key); - } - catch - { - return default; - } - } - - private void save_state (bool force = false) - { - if (!force) - { - if (save_state_timeout != 0) - Source.remove (save_state_timeout); - save_state_timeout = Timeout.add (100, () => - { - save_state (true); - save_state_timeout = 0; - return false; - }); - return; - } - - debug ("Saving state to %s", state_filename); - - var f = new KeyFile (); - f.set_integer ("window", "width", window_width); - f.set_integer ("window", "height", window_height); - f.set_boolean ("window", "is-maximized", window_is_maximized); - f.set_boolean ("window", "is-fullscreen", window_is_fullscreen); - f.set_integer ("last-page", "width", default_page_width); - f.set_integer ("last-page", "height", default_page_height); - f.set_integer ("last-page", "dpi", default_page_dpi); - switch (default_page_scan_direction) - { - case ScanDirection.TOP_TO_BOTTOM: - f.set_value ("last-page", "scan-direction", "top-to-bottom"); - break; - case ScanDirection.BOTTOM_TO_TOP: - f.set_value ("last-page", "scan-direction", "bottom-to-top"); - break; - case ScanDirection.LEFT_TO_RIGHT: - f.set_value ("last-page", "scan-direction", "left-to-right"); - break; - case ScanDirection.RIGHT_TO_LEFT: - f.set_value ("last-page", "scan-direction", "right-to-left"); - break; - } - try - { - FileUtils.set_contents (state_filename, f.to_data ()); - } - catch (Error e) - { - warning ("Failed to write state: %s", e.message); - } - } - - private void book_saving_cb (int page_number) - { - /* Prevent GUI from freezing */ - while (Gtk.events_pending ()) - Gtk.main_iteration (); - - var total = (int) book.n_pages; - var fraction = (page_number + 1.0) / total; - var complete = fraction == 1.0; - if (complete) - Timeout.add (500, () => { - progress_dialog.visible = false; - return false; - }); - var message = _("Saving page %d out of %d").printf (page_number + 1, total); - - progress_dialog.fraction = fraction; - progress_dialog.message = message; - } - - public void show_progress_dialog () - { - progress_dialog.visible = true; - } - - public void hide_progress_dialog () - { - progress_dialog.visible = false; - } - - public void show_error (string error_title, string error_text, bool change_scanner_hint) - { - have_error = true; - this.error_title = error_title; - this.error_text = error_text; - error_change_scanner_hint = change_scanner_hint; - update_info_bar (); - } - - public void start () - { - visible = true; - } -} - -private class ProgressBarDialog : Gtk.Window -{ - private Gtk.ProgressBar bar; - - public double fraction - { - get { return bar.fraction; } - set { bar.fraction = value; } - } - - public string message - { - get { return bar.text; } - set { bar.text = value; } - } - - public ProgressBarDialog (Gtk.ApplicationWindow parent, string title) - { - bar = new Gtk.ProgressBar (); - var hbox = new Gtk.Box (Gtk.Orientation.HORIZONTAL, 5); - var vbox = new Gtk.Box (Gtk.Orientation.VERTICAL, 5); - hbox.hexpand = true; - - bar.text = ""; - bar.show_text = true; - bar.set_size_request (225, 25); - set_size_request (250, 50); - - vbox.pack_start (bar, true, false, 0); - hbox.pack_start (vbox, true, false, 0); - add (hbox); - this.title = title; - - transient_for = parent; - set_position (Gtk.WindowPosition.CENTER_ON_PARENT); - modal = true; - resizable = false; - - hbox.visible = true; - vbox.visible = true; - bar.visible = true; - } -} - -// FIXME: Duplicated from simple-scan.vala -private string? get_temporary_filename (string prefix, string extension) -{ - /* NOTE: I'm not sure if this is a 100% safe strategy to use g_file_open_tmp(), close and - * use the filename but it appears to work in practise */ - - var filename = "%sXXXXXX.%s".printf (prefix, extension); - string path; - try - { - var fd = FileUtils.open_tmp (filename, out path); - Posix.close (fd); - } - catch (Error e) - { - warning ("Error saving email attachment: %s", e.message); - return null; - } - - return path; -} - -private class PageIcon : Gtk.DrawingArea -{ - private string text; - private double r; - private double g; - private double b; - private const int MINIMUM_WIDTH = 20; - - public PageIcon (string text, double r = 1.0, double g = 1.0, double b = 1.0) - { - this.text = text; - this.r = r; - this.g = g; - this.b = b; - } - - public override void get_preferred_width (out int minimum_width, out int natural_width) - { - minimum_width = natural_width = MINIMUM_WIDTH; - } - - public override void get_preferred_height (out int minimum_height, out int natural_height) - { - minimum_height = natural_height = (int) Math.round (MINIMUM_WIDTH * Math.SQRT2); - } - - public override void get_preferred_height_for_width (int width, out int minimum_height, out int natural_height) - { - minimum_height = natural_height = (int) (width * Math.SQRT2); - } - - public override void get_preferred_width_for_height (int height, out int minimum_width, out int natural_width) - { - minimum_width = natural_width = (int) (height / Math.SQRT2); - } - - public override bool draw (Cairo.Context c) - { - var w = get_allocated_width (); - var h = get_allocated_height (); - if (w * Math.SQRT2 > h) - w = (int) Math.round (h / Math.SQRT2); - else - h = (int) Math.round (w * Math.SQRT2); - - c.translate ((get_allocated_width () - w) / 2, (get_allocated_height () - h) / 2); - - c.rectangle (0.5, 0.5, w - 1, h - 1); - - c.set_source_rgb (r, g, b); - c.fill_preserve (); - - c.set_line_width (1.0); - c.set_source_rgb (0.0, 0.0, 0.0); - c.stroke (); - - Cairo.TextExtents extents; - c.text_extents (text, out extents); - c.translate ((w - extents.width) * 0.5 - 0.5, (h + extents.height) * 0.5 - 0.5); - c.show_text (text); - - return true; - } -} |