Merge branch 'feature/upstream' into develop

1 files changed, 0 insertions, 1784 deletions

diff --git a/src/Dialogs.vala b/src/Dialogs.vala
index d2f2cb0..2ca2678 100644
--- a/src/Dialogs.vala
+++ b/src/Dialogs.vala
@@ -134,345 +134,6 @@ public Gtk.ResponseType export_error_dialog(File dest, bool photos_remaining) {
 }
 
 
-public class ExportDialog : Gtk.Dialog {
-    public const int DEFAULT_SCALE = 1200;
-
-    // "Unmodified" and "Current," though they appear in the "Format:" popup menu, really
-    // aren't formats so much as they are operating modes that determine specific formats.
-    // Hereafter we'll refer to these as "special formats."
-    public const int NUM_SPECIAL_FORMATS = 2;
-    public const string UNMODIFIED_FORMAT_LABEL = _("Unmodified");
-    public const string CURRENT_FORMAT_LABEL = _("Current");
-    
-    public const ScaleConstraint[] CONSTRAINT_ARRAY = { ScaleConstraint.ORIGINAL,
-        ScaleConstraint.DIMENSIONS, ScaleConstraint.WIDTH, ScaleConstraint.HEIGHT };
-    
-    public const Jpeg.Quality[] QUALITY_ARRAY = { Jpeg.Quality.LOW, Jpeg.Quality.MEDIUM, 
-        Jpeg.Quality.HIGH, Jpeg.Quality.MAXIMUM };
-
-    private static ScaleConstraint current_constraint = ScaleConstraint.ORIGINAL;
-    private static ExportFormatParameters current_parameters = ExportFormatParameters.current();
-    private static int current_scale = DEFAULT_SCALE;
-    
-    private Gtk.Grid table = new Gtk.Grid();
-    private Gtk.ComboBoxText quality_combo;
-    private Gtk.ComboBoxText constraint_combo;
-    private Gtk.ComboBoxText format_combo;
-    private Gtk.Switch export_metadata;
-    private Gee.ArrayList<string> format_options = new Gee.ArrayList<string>();
-    private Gtk.Entry pixels_entry;
-    private Gtk.Widget ok_button;
-    private bool in_insert = false;
-    
-    public ExportDialog(string title) {
-        bool use_header;
-        Gtk.Settings.get_default ().get ("gtk-dialogs-use-header", out use_header);
-        Object (use_header_bar: use_header ? 1 : 0);
-        
-        this.title = title;
-        resizable = false;
-
-        //get information about the export settings out of our config backend
-        Config.Facade config = Config.Facade.get_instance();
-        current_parameters.mode = config.get_export_export_format_mode(); //ExportFormatMode
-        current_parameters.specified_format = config.get_export_photo_file_format(); //PhotoFileFormat
-        current_parameters.quality = config.get_export_quality(); //quality
-        current_parameters.export_metadata = config.get_export_export_metadata(); //export metadata
-        current_constraint = config.get_export_constraint(); //constraint
-        current_scale = config.get_export_scale(); //scale
-
-        quality_combo = new Gtk.ComboBoxText();
-        int ctr = 0;
-        foreach (Jpeg.Quality quality in QUALITY_ARRAY) {
-            quality_combo.append_text(quality.to_string());
-            if (quality == current_parameters.quality)
-                quality_combo.set_active(ctr);
-            ctr++;
-        }
-        
-        constraint_combo = new Gtk.ComboBoxText();
-        ctr = 0;
-        foreach (ScaleConstraint constraint in CONSTRAINT_ARRAY) {
-            constraint_combo.append_text(constraint.to_string());
-            if (constraint == current_constraint)
-                constraint_combo.set_active(ctr);
-            ctr++;
-        }
-
-        format_combo = new Gtk.ComboBoxText();
-        format_add_option(UNMODIFIED_FORMAT_LABEL);
-        format_add_option(CURRENT_FORMAT_LABEL);
-        foreach (PhotoFileFormat format in PhotoFileFormat.get_writeable()) {
-            format_add_option(format.get_properties().get_user_visible_name());
-        }
-
-        pixels_entry = new Gtk.Entry();
-        pixels_entry.set_max_length(6);
-        pixels_entry.set_text("%d".printf(current_scale));
-        
-        // register after preparation to avoid signals during init
-        constraint_combo.changed.connect(on_constraint_changed);
-        format_combo.changed.connect(on_format_changed);
-        pixels_entry.changed.connect(on_pixels_changed);
-        pixels_entry.insert_text.connect(on_pixels_insert_text);
-        pixels_entry.activate.connect(on_activate);
-
-        // layout controls
-        add_label(_("_Format:"), 0, 0, format_combo);
-        add_control(format_combo, 1, 0);
-
-        add_label(_("_Quality:"), 0, 1, quality_combo);
-        add_control(quality_combo, 1, 1);
-        
-        add_label(_("_Scaling constraint:"), 0, 2, constraint_combo);
-        add_control(constraint_combo, 1, 2);
-
-        add_label(_("_Pixels:"), 0, 3, pixels_entry);
-        add_control(pixels_entry, 1, 3);
-        
-        export_metadata = new Gtk.Switch ();
-        add_label(_("Export _metadata:"), 0, 4, export_metadata);
-        add_control(export_metadata, 1, 4);
-        export_metadata.active = true;
-        export_metadata.halign = Gtk.Align.START;
-        
-        table.set_row_spacing(6);
-        table.set_column_spacing(12);
-        table.set_border_width(18);
-        
-        ((Gtk.Box) get_content_area()).add(table);
-        
-        // add buttons to action area
-        add_button(Resources.CANCEL_LABEL, Gtk.ResponseType.CANCEL);
-        ok_button = add_button(Resources.OK_LABEL, Gtk.ResponseType.OK);
-        set_default_response(Gtk.ResponseType.OK);
-        
-        ok_button.set_can_default(true);
-        ok_button.has_default = true;
-        set_default(ok_button);
-
-        if (current_constraint == ScaleConstraint.ORIGINAL) {
-            pixels_entry.sensitive = false;
-            quality_combo.sensitive = false;
-        }
-
-        ok_button.grab_focus();
-    }
-    
-    private void format_add_option(string format_name) {
-        format_options.add(format_name);
-        format_combo.append_text(format_name);
-    }
-    
-    private void format_set_active_text(string text) {
-        int selection_ticker = 0;
-
-        foreach (string current_text in format_options) {
-            if (current_text == text) {
-                format_combo.set_active(selection_ticker);
-                return;
-            }
-            selection_ticker++;
-        }
-        
-        error("format_set_active_text: text '%s' isn't in combo box", text);
-    }
-    
-    private PhotoFileFormat get_specified_format() {
-        int index = format_combo.get_active();
-        if (index < NUM_SPECIAL_FORMATS)
-            index = NUM_SPECIAL_FORMATS;
-
-        index -= NUM_SPECIAL_FORMATS;
-        PhotoFileFormat[] writeable_formats = PhotoFileFormat.get_writeable();
-        return writeable_formats[index];
-    }
-    
-    private string get_label_for_parameters(ExportFormatParameters params) {
-        switch(params.mode) {
-            case ExportFormatMode.UNMODIFIED:
-                return UNMODIFIED_FORMAT_LABEL;
-            
-            case ExportFormatMode.CURRENT:
-                return CURRENT_FORMAT_LABEL;
-            
-            case ExportFormatMode.SPECIFIED:
-                return params.specified_format.get_properties().get_user_visible_name();            
-            
-            default:
-                error("get_label_for_parameters: unrecognized export format mode");
-        }
-    }
-    
-    // unlike other parameters, which should be persisted across dialog executions, the
-    // format parameters must be set each time the dialog is executed -- this is why
-    // it's passed qualified as ref and not as out
-    public bool execute(out int scale, out ScaleConstraint constraint,
-        ref ExportFormatParameters parameters) {
-        show_all();
-
-        // if the export format mode isn't set to last (i.e., don't use the persisted settings),
-        // reset the scale constraint to original size
-        if (parameters.mode != ExportFormatMode.LAST) {
-            current_constraint = constraint = ScaleConstraint.ORIGINAL;
-            constraint_combo.set_active(0);
-        }
-
-        if (parameters.mode == ExportFormatMode.LAST)
-            parameters = current_parameters;
-        else if (parameters.mode == ExportFormatMode.SPECIFIED && !parameters.specified_format.can_write())
-            parameters.specified_format = PhotoFileFormat.get_system_default_format();
-
-        format_set_active_text(get_label_for_parameters(parameters));
-        on_format_changed();
-        
-        bool ok = (run() == Gtk.ResponseType.OK);
-        if (ok) {
-            int index = constraint_combo.get_active();
-            assert(index >= 0);
-            constraint = CONSTRAINT_ARRAY[index];
-            current_constraint = constraint;
-            
-            scale = int.parse(pixels_entry.get_text());
-            if (constraint != ScaleConstraint.ORIGINAL)
-                assert(scale > 0);
-            current_scale = scale;
-            
-            parameters.export_metadata = export_metadata.sensitive ? export_metadata.active : false;
-            
-            if (format_combo.get_active_text() == UNMODIFIED_FORMAT_LABEL) {
-                parameters.mode = current_parameters.mode = ExportFormatMode.UNMODIFIED;
-            } else if (format_combo.get_active_text() == CURRENT_FORMAT_LABEL) {
-                parameters.mode = current_parameters.mode = ExportFormatMode.CURRENT;
-            } else {
-                parameters.mode = current_parameters.mode = ExportFormatMode.SPECIFIED;
-                parameters.specified_format = current_parameters.specified_format = get_specified_format();
-                if (current_parameters.specified_format == PhotoFileFormat.JFIF)
-                    parameters.quality = current_parameters.quality = QUALITY_ARRAY[quality_combo.get_active()];
-            }
-
-            //save current settings in config backend for reusing later
-            Config.Facade config = Config.Facade.get_instance();
-            config.set_export_export_format_mode(current_parameters.mode); //ExportFormatMode
-            config.set_export_photo_file_format(current_parameters.specified_format); //PhotoFileFormat
-            config.set_export_quality(current_parameters.quality); //quality
-            config.set_export_export_metadata(current_parameters.export_metadata); //export metadata
-            config.set_export_constraint(current_constraint); //constraint
-            config.set_export_scale(current_scale); //scale
-        } else {
-            scale = 0;
-            constraint = ScaleConstraint.ORIGINAL;
-        }
-        
-        destroy();
-        
-        return ok;
-    }
-    
-    private void add_label(string text, int x, int y, Gtk.Widget? widget = null) {
-        Gtk.Label new_label = new Gtk.Label.with_mnemonic(text);
-        new_label.halign = Gtk.Align.END;
-        new_label.valign = Gtk.Align.CENTER;
-        new_label.set_use_underline(true);
-        
-        if (widget != null)
-            new_label.set_mnemonic_widget(widget);
-        
-        table.attach(new_label, x, y, 1, 1);
-    }
-    
-    private void add_control(Gtk.Widget widget, int x, int y) {
-        widget.halign = Gtk.Align.FILL;
-        widget.valign = Gtk.Align.CENTER;
-        widget.hexpand = true;
-        widget.vexpand = true;
-        
-        table.attach(widget, x, y, 1, 1);
-    }
-    
-    private void on_constraint_changed() {
-        bool original = CONSTRAINT_ARRAY[constraint_combo.get_active()] == ScaleConstraint.ORIGINAL;
-        bool jpeg = format_combo.get_active_text() ==
-            PhotoFileFormat.JFIF.get_properties().get_user_visible_name();
-        pixels_entry.sensitive = !original;
-        quality_combo.sensitive = !original && jpeg;
-        if (original)
-            ok_button.sensitive = true;
-        else
-            on_pixels_changed();
-    }
-
-    private void on_format_changed() {
-        bool original = CONSTRAINT_ARRAY[constraint_combo.get_active()] == ScaleConstraint.ORIGINAL;
-        
-        if (format_combo.get_active_text() == UNMODIFIED_FORMAT_LABEL) {
-            // if the user wishes to export the media unmodified, then we just copy the original
-            // files, so parameterizing size, quality, etc. is impossible -- these are all
-            // just as they are in the original file. In this case, we set the scale constraint to
-            // original and lock out all the controls
-            constraint_combo.set_active(0); /* 0 == original size */
-            constraint_combo.set_sensitive(false);
-            quality_combo.set_sensitive(false);
-            pixels_entry.sensitive = false;
-            export_metadata.active = false;
-            export_metadata.sensitive = false;
-        } else if (format_combo.get_active_text() == CURRENT_FORMAT_LABEL) {
-            // if the user wishes to export the media in its current format, we allow sizing but
-            // not JPEG quality customization, because in a batch of many photos, it's not
-            // guaranteed that all of them will be JPEGs or RAWs that get converted to JPEGs. Some
-            // could be PNGs, and PNG has no notion of quality. So lock out the quality control.
-            // If the user wants to set JPEG quality, he or she can explicitly specify the JPEG
-            // format.
-            constraint_combo.set_sensitive(true);
-            quality_combo.set_sensitive(false);
-            pixels_entry.sensitive = !original;
-            export_metadata.sensitive = true;
-        } else {
-            // if the user has chosen a specific format, then allow JPEG quality customization if
-            // the format is JPEG and the user is re-sizing the image, otherwise, disallow JPEG
-            // quality customization; always allow scaling.
-            constraint_combo.set_sensitive(true);
-            bool jpeg = get_specified_format() == PhotoFileFormat.JFIF;
-            quality_combo.sensitive = !original && jpeg;
-            export_metadata.sensitive = true;
-        }
-    }
-    
-    private void on_activate() {
-        response(Gtk.ResponseType.OK);
-    }
-    
-    private void on_pixels_changed() {
-        ok_button.sensitive = (pixels_entry.get_text_length() > 0) && (int.parse(pixels_entry.get_text()) > 0);
-    }
-    
-    private void on_pixels_insert_text(string text, int length, ref int position) {
-        // This is necessary because SignalHandler.block_by_func() is not properly bound
-        if (in_insert)
-            return;
-        
-        in_insert = true;
-        
-        if (length == -1)
-            length = (int) text.length;
-        
-        // only permit numeric text
-        string new_text = "";
-        for (int ctr = 0; ctr < length; ctr++) {
-            if (text[ctr].isdigit()) {
-                new_text += ((char) text[ctr]).to_string();
-            }
-        }
-        
-        if (new_text.length > 0)
-            pixels_entry.insert_text(new_text, (int) new_text.length, ref position);
-        
-        Signal.stop_emission_by_name(pixels_entry, "insert-text");
-        
-        in_insert = false;
-    }
-}
-
 namespace ImportUI {
 private const int REPORT_FAILURE_COUNT = 4;
 internal const string SAVE_RESULTS_BUTTON_NAME = _("Save Details…");
@@ -939,10 +600,7 @@ public abstract class TextEntryDialogMediator {
     
     public TextEntryDialogMediator(string title, string label, string? initial_text = null,
         Gee.Collection<string>? completion_list = null, string? completion_delimiter = null) {
-        Gtk.Builder builder = AppWindow.create_builder();
         dialog = new TextEntryDialog();
-        dialog.get_content_area().add((Gtk.Box) builder.get_object("dialog-vbox2"));
-        dialog.set_builder(builder);
         dialog.setup(on_modify_validate, title, label, initial_text, completion_list, completion_delimiter);
     }
     
@@ -959,10 +617,7 @@ public abstract class MultiTextEntryDialogMediator {
     private MultiTextEntryDialog dialog;
     
     public MultiTextEntryDialogMediator(string title, string label, string? initial_text = null) {
-        Gtk.Builder builder = AppWindow.create_builder();
         dialog = new MultiTextEntryDialog();
-        dialog.get_content_area().add((Gtk.Box) builder.get_object("dialog-vbox4"));
-        dialog.set_builder(builder);
         dialog.setup(on_modify_validate, title, label, initial_text);
     }
     
@@ -989,328 +644,6 @@ public string build_alert_body_text(string? primary_text, string? secondary_text
         guarded_markup_escape_text(primary_text), secondary_text);
 }
 
-// Entry completion for values separated by separators (e.g. comma in the case of tags)
-// Partly inspired by the class of the same name in gtkmm-utils by Marko Anastasov
-public class EntryMultiCompletion : Gtk.EntryCompletion {
-    private string delimiter;
-    
-    public EntryMultiCompletion(Gee.Collection<string> completion_list, string? delimiter) {
-        assert(delimiter == null || delimiter.length == 1);
-        this.delimiter = delimiter;
-        
-        set_model(create_completion_store(completion_list));
-        set_text_column(0);
-        set_match_func(match_func);
-    }
-    
-    private static Gtk.ListStore create_completion_store(Gee.Collection<string> completion_list) {
-        Gtk.ListStore completion_store = new Gtk.ListStore(1, typeof(string));
-        Gtk.TreeIter store_iter;
-        Gee.Iterator<string> completion_iter = completion_list.iterator();
-        while (completion_iter.next()) {
-            completion_store.append(out store_iter);
-            completion_store.set(store_iter, 0, completion_iter.get(), -1);
-        }
-        
-        return completion_store;
-    }
-    
-    private bool match_func(Gtk.EntryCompletion completion, string key, Gtk.TreeIter iter) {
-        Gtk.TreeModel model = completion.get_model();
-        string possible_match;
-        model.get(iter, 0, out possible_match);
-        
-        // Normalize key and possible matches to allow comparison of non-ASCII characters.
-        // Use a "COMPOSE" normalization to allow comparison to the position value returned by 
-        // Gtk.Entry, i.e. one character=one position. Using the default normalization a character
-        // like "é" or "ö" would have a length of two.
-        possible_match = possible_match.casefold().normalize(-1, NormalizeMode.ALL_COMPOSE);
-        string normed_key = key.normalize(-1, NormalizeMode.ALL_COMPOSE);
-        
-        if (delimiter == null) {
-            return possible_match.has_prefix(normed_key.strip());
-        } else {
-            if (normed_key.contains(delimiter)) {
-                // check whether cursor is before last delimiter
-                int offset = normed_key.char_count(normed_key.last_index_of_char(delimiter[0]));
-                int position = ((Gtk.Entry) get_entry()).get_position();
-                if (position <= offset)
-                    return false; // TODO: Autocompletion for tags not last in list
-            }
-            
-            string last_part = get_last_part(normed_key.strip(), delimiter);
-            
-            if (last_part.length == 0) 
-                return false; // need at least one character to show matches
-                
-            return possible_match.has_prefix(last_part.strip());
-        }
-    }
-
-    public override bool match_selected(Gtk.TreeModel model, Gtk.TreeIter iter) {
-        string match;
-        model.get(iter, 0, out match);
-        
-        Gtk.Entry entry = (Gtk.Entry)get_entry();
-        
-        string old_text = entry.get_text().normalize(-1, NormalizeMode.ALL_COMPOSE);
-        if (old_text.length > 0) {
-            if (old_text.contains(delimiter)) {
-                old_text = old_text.substring(0, old_text.last_index_of_char(delimiter[0]) + 1) + (delimiter != " " ? " " : "");
-            } else
-                old_text = "";
-        }
-        
-        string new_text = old_text + match + delimiter + (delimiter != " " ? " " : "");
-        entry.set_text(new_text);
-        entry.set_position((int) new_text.length);
-        
-        return true;
-    }
-    
-    // Find last string after any delimiter
-    private static string get_last_part(string s, string delimiter) {
-        string[] split = s.split(delimiter);
-        
-        if((split != null) && (split[0] != null)) {
-            return split[split.length - 1];
-        } else {
-            return "";
-        }
-    }
-}
-
-[GtkTemplate (ui = "/org/gnome/Shotwell/ui/set_background_dialog.ui")]
-public class SetBackgroundPhotoDialog : Gtk.Dialog {
-    [GtkChild]
-    private Gtk.CheckButton desktop_background_checkbox;
-    [GtkChild]
-    private Gtk.CheckButton screensaver_checkbox;
-
-    public SetBackgroundPhotoDialog() {
-        bool use_header;
-        Gtk.Settings.get_default ().get ("gtk-dialogs-use-header", out use_header);
-        Object(use_header_bar: use_header ? 1 : 0);
-        this.set_transient_for (AppWindow.get_instance());
-    }
-
-    [GtkCallback]
-    private void on_checkbox_clicked() {
-        set_response_sensitive (Gtk.ResponseType.OK,
-                                desktop_background_checkbox.active ||
-                                screensaver_checkbox.active);
-    }
-
-    public bool execute(out bool desktop_background, out bool screensaver) {
-        this.show_all();
-        var result = this.run() == Gtk.ResponseType.OK;
-        this.hide ();
-
-        desktop_background = desktop_background_checkbox.active;
-        screensaver = screensaver_checkbox.active;
-
-        this.destroy();
-        return result;
-    }
-}
-
-[GtkTemplate (ui = "/org/gnome/Shotwell/ui/set_background_slideshow_dialog.ui")]
-public class SetBackgroundSlideshowDialog : Gtk.Dialog {
-    [GtkChild]
-    private Gtk.CheckButton desktop_background_checkbox;
-    [GtkChild]
-    private Gtk.CheckButton screensaver_checkbox;
-    [GtkChild]
-    private Gtk.Scale delay_scale;
-    [GtkChild]
-    private Gtk.Label delay_value_label;
-
-    private int delay_value = 0;
-
-    public SetBackgroundSlideshowDialog() {
-        bool use_header;
-        Gtk.Settings.get_default ().get ("gtk-dialogs-use-header", out use_header);
-        Object(use_header_bar: use_header ? 1 : 0);
-        this.set_transient_for (AppWindow.get_instance());
-    }
-
-    public override void constructed () {
-        on_delay_scale_value_changed ();
-    }
-
-    [GtkCallback]
-    private void on_checkbox_clicked() {
-        set_response_sensitive (Gtk.ResponseType.OK,
-                                desktop_background_checkbox.active ||
-                                screensaver_checkbox.active);
-    }
-
-    [GtkCallback]
-    private void on_delay_scale_value_changed() {
-        double value = delay_scale.adjustment.value;
-
-        // f(x)=x^5 allows to have fine-grained values (seconds) to the left
-        // and very coarse-grained values (hours) to the right of the slider.
-        // We limit maximum value to 1 day and minimum to 5 seconds.
-        delay_value = (int) (Math.pow(value, 5) / Math.pow(90, 5) * 60 * 60 * 24 + 5);
-
-        // convert to text and remove fractions from values > 1 minute
-        string text;
-        if (delay_value < 60) {
-            text = ngettext("%d second", "%d seconds", delay_value).printf(delay_value);
-        } else if (delay_value < 60 * 60) {
-            int minutes = delay_value / 60;
-            text = ngettext("%d minute", "%d minutes", minutes).printf(minutes);
-            delay_value = minutes * 60; 
-        } else if (delay_value < 60 * 60 * 24) {
-            int hours = delay_value / (60 * 60);
-            text = ngettext("%d hour", "%d hours", hours).printf(hours);
-            delay_value = hours * (60 * 60);
-        } else {
-            text = _("1 day");
-            delay_value = 60 * 60 * 24;
-        }
-
-        delay_value_label.label = text;
-    }
-
-    public bool execute(out int delay_value, out bool desktop_background, out bool screensaver) {
-        this.show_all();
-        var result = this.run() == Gtk.ResponseType.OK;
-        this.hide ();
-
-        delay_value = this.delay_value;
-        desktop_background = desktop_background_checkbox.active;
-        screensaver = screensaver_checkbox.active;
-
-        this.destroy();
-        return result;
-    }
-}
-
-
-public class TextEntryDialog : Gtk.Dialog {
-    public delegate bool OnModifyValidateType(string text);
-    
-    private unowned OnModifyValidateType on_modify_validate;
-    private Gtk.Entry entry;
-    private Gtk.Builder builder;
-    private Gtk.Button button1;
-    private Gtk.Button button2;
-    
-    public TextEntryDialog() {
-        bool use_header;
-        Gtk.Settings.get_default ().get ("gtk-dialogs-use-header", out use_header);
-        Object (use_header_bar: use_header ? 1 : 0);
-    }
-    
-    public void set_builder(Gtk.Builder builder) {
-        this.builder = builder;
-    }
-    
-    public void setup(OnModifyValidateType? modify_validate, string title, string label, 
-        string? initial_text, Gee.Collection<string>? completion_list, string? completion_delimiter) {
-        set_title(title);
-        set_resizable(true);
-        set_parent_window(AppWindow.get_instance().get_parent_window());
-        set_transient_for(AppWindow.get_instance());
-        on_modify_validate = modify_validate;
-
-        Gtk.Label name_label = builder.get_object("label") as Gtk.Label;
-        name_label.set_text(label);
-
-        entry = builder.get_object("entry") as Gtk.Entry;
-        entry.set_text(initial_text != null ? initial_text : "");
-        entry.grab_focus();
-        entry.changed.connect(on_entry_changed);
-        
-        button1 = (Gtk.Button) add_button(Resources.CANCEL_LABEL, Gtk.ResponseType.CANCEL);
-        button2 = (Gtk.Button) add_button(Resources.SAVE_LABEL, Gtk.ResponseType.OK);
-        set_default_response(Gtk.ResponseType.OK);
-        
-        if (completion_list != null) { // Textfield with autocompletion
-            EntryMultiCompletion completion = new EntryMultiCompletion(completion_list,
-                completion_delimiter);
-            entry.set_completion(completion);
-        }
-        
-        set_default_response(Gtk.ResponseType.OK);
-    }
-
-    public string? execute() {
-        string? text = null;
-        
-        // validate entry to start with
-        set_response_sensitive(Gtk.ResponseType.OK, on_modify_validate(entry.get_text()));
-        
-        show_all();
-        
-        if (run() == Gtk.ResponseType.OK)
-            text = entry.get_text();
-        
-        entry.changed.disconnect(on_entry_changed);
-        destroy();
-        
-        return text;
-    }
-    
-    public void on_entry_changed() {
-        set_response_sensitive(Gtk.ResponseType.OK, on_modify_validate(entry.get_text()));
-    }
-}
-
-public class MultiTextEntryDialog : Gtk.Dialog {
-    public delegate bool OnModifyValidateType(string text);
-    
-    private unowned OnModifyValidateType on_modify_validate;
-    private Gtk.TextView entry;
-    private Gtk.Builder builder;
-    private Gtk.Button button1;
-    private Gtk.Button button2;
-    
-    public MultiTextEntryDialog() {
-        bool use_header;
-        Gtk.Settings.get_default ().get ("gtk-dialogs-use-header", out use_header);
-        Object (use_header_bar: use_header ? 1 : 0);
-    }
-    
-    public void set_builder(Gtk.Builder builder) {
-        this.builder = builder;
-    }
-    
-    public void setup(OnModifyValidateType? modify_validate, string title, string label, string? initial_text) {
-        set_title(title);
-        set_resizable(true);
-        set_default_size(500,300);
-        set_parent_window(AppWindow.get_instance().get_parent_window());
-        set_transient_for(AppWindow.get_instance());
-        on_modify_validate = modify_validate;
-        
-        entry = builder.get_object("textview1") as Gtk.TextView;
-        entry.set_wrap_mode (Gtk.WrapMode.WORD);
-        entry.buffer = new Gtk.TextBuffer(null);
-        entry.buffer.text = (initial_text != null ? initial_text : "");
-        
-        entry.grab_focus();
-        
-        button1 = (Gtk.Button) add_button(Resources.CANCEL_LABEL, Gtk.ResponseType.CANCEL);
-        button2 = (Gtk.Button) add_button(Resources.SAVE_LABEL, Gtk.ResponseType.OK);
-        set_default_response(Gtk.ResponseType.OK);
-    }
-        
-    public string? execute() {
-        string? text = null;
-        
-        show_all();
-        
-        if (run() == Gtk.ResponseType.OK)
-            text = entry.buffer.text;
-        
-        destroy();
-        
-        return text;
-    }
-}
 
 public class EventRenameDialog : TextEntryDialogMediator {
     public EventRenameDialog(string? event_name) {
@@ -1451,499 +784,6 @@ public bool remove_offline_dialog(Gtk.Window owner, int count) {
     return result == Gtk.ResponseType.OK;
 }
 
-public class ProgressDialog : Gtk.Window {
-    private Gtk.ProgressBar progress_bar = new Gtk.ProgressBar();
-    private Gtk.Button cancel_button = null;
-    private Cancellable cancellable;
-    private uint64 last_count = uint64.MAX;
-    private int update_every = 1;
-    private int minimum_on_screen_time_msec = 500;
-    private ulong time_started;
-#if UNITY_SUPPORT
-    UnityProgressBar uniprobar = UnityProgressBar.get_instance();
-#endif
-    
-    public ProgressDialog(Gtk.Window? owner, string text, Cancellable? cancellable = null) {
-        this.cancellable = cancellable;
-        
-        set_title(text);
-        set_resizable(false);
-        if (owner != null)
-            set_transient_for(owner);
-        set_modal(true);
-        set_type_hint(Gdk.WindowTypeHint.DIALOG);
-        
-        progress_bar.set_size_request(300, -1);
-        progress_bar.set_show_text(true);
-        
-        Gtk.Box vbox_bar = new Gtk.Box(Gtk.Orientation.VERTICAL, 0);
-        vbox_bar.pack_start(progress_bar, true, false, 0);
-        
-        if (cancellable != null) {
-            cancel_button = new Gtk.Button.with_mnemonic(Resources.CANCEL_LABEL);
-            cancel_button.clicked.connect(on_cancel);
-            delete_event.connect(on_window_closed);
-        }
-        
-        Gtk.Box hbox = new Gtk.Box(Gtk.Orientation.HORIZONTAL, 8);
-        hbox.pack_start(vbox_bar, true, false, 0);
-        if (cancel_button != null)
-            hbox.pack_end(cancel_button, false, false, 0);
-        
-        Gtk.Label primary_text_label = new Gtk.Label("");
-        primary_text_label.set_markup("<span weight=\"bold\">%s</span>".printf(text));
-        primary_text_label.xalign = 0.0f;
-        primary_text_label.yalign = 0.5f;
-
-        Gtk.Box vbox = new Gtk.Box(Gtk.Orientation.VERTICAL, 12);
-        vbox.pack_start(primary_text_label, false, false, 0);
-        vbox.pack_start(hbox, true, false, 0);
-        vbox.halign = Gtk.Align.CENTER;
-        vbox.valign = Gtk.Align.CENTER;
-        vbox.hexpand = true;
-        vbox.vexpand = true;
-        vbox.margin_start = 12;
-        vbox.margin_end = 12;
-        vbox.margin_top = 12;
-        vbox.margin_bottom = 12;
-
-        add(vbox);
-
-        time_started = now_ms();
-    }
-    
-    public override void realize() {
-        base.realize();
-        
-        // if unable to cancel the progress bar, remove the close button
-        if (cancellable == null)
-            get_window().set_functions(Gdk.WMFunction.MOVE);
-    }
-    
-    public void update_display_every(int update_every) {
-        assert(update_every >= 1);
-        
-        this.update_every = update_every;
-    }
-    
-    public void set_minimum_on_screen_time_msec(int minimum_on_screen_time_msec) {
-        this.minimum_on_screen_time_msec = minimum_on_screen_time_msec;
-    }
-    
-    public void set_fraction(int current, int total) {
-        set_percentage((double) current / (double) total);
-    }
-    
-    public void set_percentage(double pct) {
-        pct = pct.clamp(0.0, 1.0);
-        
-        maybe_show_all(pct);
-        
-        progress_bar.set_fraction(pct);
-        progress_bar.set_text(_("%d%%").printf((int) (pct * 100.0)));
-        
-#if UNITY_SUPPORT
-        //UnityProgressBar: set progress
-        uniprobar.set_progress(pct);
-#endif
-    }
-    
-    public void set_status(string text) {
-        progress_bar.set_text(text);
-        
-#if UNITY_SUPPORT
-        //UnityProgressBar: try to draw progress bar
-        uniprobar.set_visible(true);
-#endif
-        show_all();
-    }
-    
-    // This can be used as a ProgressMonitor delegate.
-    public bool monitor(uint64 count, uint64 total, bool do_event_loop = true) {
-        if ((last_count == uint64.MAX) || (count - last_count) >= update_every) {
-            set_percentage((double) count / (double) total);
-            last_count = count;
-        }
-        
-        bool keep_going = (cancellable != null) ? !cancellable.is_cancelled() : true;
-        
-        // TODO: get rid of this.  non-trivial, as some progress-monitor operations are blocking
-        // and need to allow the event loop to spin
-        //
-        // Important: Since it's possible the progress dialog might be destroyed inside this call,
-        // avoid referring to "this" afterwards at all costs (in case all refs have been dropped)
-        
-        if (do_event_loop)
-            spin_event_loop();
-        
-        return keep_going;
-    }
-    
-    public new void close() {
-#if UNITY_SUPPORT
-        //UnityProgressBar: reset
-        uniprobar.reset();
-#endif
-        hide();
-        destroy();
-    }
-    
-    private bool on_window_closed() {
-        on_cancel();
-        return false; // return false so that the system handler will remove the window from
-                      // the screen
-    }
-    
-    private void on_cancel() {
-        if (cancellable != null)
-            cancellable.cancel();
-        
-        cancel_button.sensitive = false;
-    }
-    
-    private void maybe_show_all(double pct) {
-        // Appear only after a while because some jobs may take only a 
-        // fraction of second to complete so there's no point in showing progress.
-        if (!this.visible && now_ms() - time_started > minimum_on_screen_time_msec) {
-            // calculate percents completed in one ms
-            double pps = pct * 100.0 / minimum_on_screen_time_msec;
-            // calculate [very rough] estimate of time to complete in ms
-            double ttc = 100.0 / pps;
-            // If there is still more work to do for at least MINIMUM_ON_SCREEN_TIME_MSEC, 
-            // finally display the dialog.
-            if (ttc > minimum_on_screen_time_msec) {
-#if UNITY_SUPPORT
-                //UnityProgressBar: try to draw progress bar
-                uniprobar.set_visible(true);
-#endif
-                show_all(); 
-                spin_event_loop();
-            }
-        }
-    }
-}
-
-public class AdjustDateTimeDialog : Gtk.Dialog {
-    private const int64 SECONDS_IN_DAY = 60 * 60 * 24;
-    private const int64 SECONDS_IN_HOUR = 60 * 60;
-    private const int64 SECONDS_IN_MINUTE = 60;
-    private const int YEAR_OFFSET = 1900;
-    private bool no_original_time = false;
-    
-    private const int CALENDAR_THUMBNAIL_SCALE = 1;
-
-    time_t original_time;
-    Gtk.Label original_time_label;
-    Gtk.Calendar calendar;
-    Gtk.SpinButton hour;
-    Gtk.SpinButton minute;
-    Gtk.SpinButton second;
-    Gtk.ComboBoxText system;
-    Gtk.RadioButton relativity_radio_button;
-    Gtk.RadioButton batch_radio_button;
-    Gtk.CheckButton modify_originals_check_button;
-    Gtk.Label notification;
-
-    private enum TimeSystem {
-        AM,
-        PM,
-        24HR;
-    }    
-
-    TimeSystem previous_time_system;
-
-    public AdjustDateTimeDialog(Dateable source, int photo_count, bool display_options = true,
-        bool contains_video = false, bool only_video = false) {
-        assert(source != null);
-
-        bool use_header;
-        Gtk.Settings.get_default ().get ("gtk-dialogs-use-header", out use_header);
-        Object(use_header_bar: use_header ? 1 : 0);
-        
-        set_modal(true);
-        set_resizable(false);
-        set_transient_for(AppWindow.get_instance());
-
-        add_buttons(Resources.CANCEL_LABEL, Gtk.ResponseType.CANCEL,
-                    Resources.OK_LABEL, Gtk.ResponseType.OK);
-        set_title(Resources.ADJUST_DATE_TIME_LABEL);
-
-        calendar = new Gtk.Calendar();
-        calendar.day_selected.connect(on_time_changed);
-        calendar.month_changed.connect(on_time_changed);
-        calendar.next_year.connect(on_time_changed);
-        calendar.prev_year.connect(on_time_changed);
-
-        if (Config.Facade.get_instance().get_use_24_hour_time())
-            hour = new Gtk.SpinButton.with_range(0, 23, 1);
-        else
-            hour = new Gtk.SpinButton.with_range(1, 12, 1);
-
-        hour.output.connect(on_spin_button_output);
-        hour.set_width_chars(2);  
-        hour.set_max_width_chars(2);
-
-        minute = new Gtk.SpinButton.with_range(0, 59, 1);
-        minute.set_width_chars(2);
-        minute.set_max_width_chars(2);
-        minute.output.connect(on_spin_button_output);
-
-        second = new Gtk.SpinButton.with_range(0, 59, 1);
-        second.set_width_chars(2);
-        second.set_max_width_chars(2);
-        second.output.connect(on_spin_button_output);
-
-        system = new Gtk.ComboBoxText();
-        system.append_text(_("AM"));
-        system.append_text(_("PM"));
-        system.append_text(_("24 Hr"));
-        system.changed.connect(on_time_system_changed);
-
-        Gtk.Box clock = new Gtk.Box(Gtk.Orientation.HORIZONTAL, 3);
-
-        clock.pack_start(hour, false, false, 0);
-        clock.pack_start(new Gtk.Label(":"), false, false, 0); // internationalize?
-        clock.pack_start(minute, false, false, 0);
-        clock.pack_start(new Gtk.Label(":"), false, false, 0);
-        clock.pack_start(second, false, false, 0);
-        clock.pack_start(system, false, false, 0);
-
-        set_default_response(Gtk.ResponseType.OK);
-        
-        relativity_radio_button = new Gtk.RadioButton.with_mnemonic(null, 
-            _("_Shift photos/videos by the same amount"));
-        relativity_radio_button.set_active(Config.Facade.get_instance().get_keep_relativity());
-        relativity_radio_button.sensitive = display_options && photo_count > 1;
-
-        batch_radio_button = new Gtk.RadioButton.with_mnemonic(relativity_radio_button.get_group(),
-            _("Set _all photos/videos to this time"));
-        batch_radio_button.set_active(!Config.Facade.get_instance().get_keep_relativity());
-        batch_radio_button.sensitive = display_options && photo_count > 1;
-        batch_radio_button.toggled.connect(on_time_changed);
-
-        if (contains_video) {
-            var text = ngettext ("_Modify original photo file", "_Modify original photo files",
-                                 photo_count);
-            modify_originals_check_button = new Gtk.CheckButton.with_mnemonic(text);
-        } else {
-            var text = ngettext ("_Modify original file", "_Modify original files", photo_count);
-            modify_originals_check_button = new Gtk.CheckButton.with_mnemonic(text);
-        }
-
-        modify_originals_check_button.set_active(Config.Facade.get_instance().get_commit_metadata_to_masters() &&
-            display_options);
-        modify_originals_check_button.sensitive = (!only_video) &&
-            (!Config.Facade.get_instance().get_commit_metadata_to_masters() && display_options);
-
-        Gtk.Box time_content = new Gtk.Box(Gtk.Orientation.VERTICAL, 5);
-
-        time_content.pack_start(calendar, true, false, 0);
-        time_content.pack_start(clock, true, false, 0);
-
-        if (display_options) {
-            time_content.pack_start(relativity_radio_button, true, false, 0);
-            time_content.pack_start(batch_radio_button, true, false, 0);
-            time_content.pack_start(modify_originals_check_button, true, false, 0);
-        }
-
-        Gdk.Pixbuf preview = null;
-        try {
-            // Instead of calling get_pixbuf() here, we use the thumbnail instead;
-            // this was needed for Videos, since they don't support get_pixbuf().
-            preview = source.get_thumbnail(CALENDAR_THUMBNAIL_SCALE);
-        } catch (Error err) {
-            warning("Unable to fetch preview for %s", source.to_string());
-        }
-        
-        Gtk.Box image_content = new Gtk.Box(Gtk.Orientation.VERTICAL, 0);
-        image_content.set_valign(Gtk.Align.START);
-        image_content.set_homogeneous(true);
-        Gtk.Image image = (preview != null) ? new Gtk.Image.from_pixbuf(preview) : new Gtk.Image();
-        original_time_label = new Gtk.Label(null);
-        image_content.pack_start(image, true, false, 0);
-        image_content.pack_start(original_time_label, true, false, 0);
-
-        Gtk.Box hbox = new Gtk.Box(Gtk.Orientation.HORIZONTAL, 10);
-        hbox.set_border_width(3);
-        hbox.pack_start(image_content, true, false, 0);
-        hbox.pack_start(time_content, true, false, 0);
-        hbox.halign = Gtk.Align.CENTER;
-        hbox.valign = Gtk.Align.CENTER;
-        hbox.hexpand = false;
-        hbox.vexpand = false;
-
-        ((Gtk.Box) get_content_area()).pack_start(hbox, true, false, 0);
-
-        notification = new Gtk.Label("");
-        notification.set_line_wrap(true);
-        notification.set_justify(Gtk.Justification.CENTER);
-
-        ((Gtk.Box) get_content_area()).pack_start(notification, true, true, 0);
-        
-        original_time = source.get_exposure_time();
-
-        if (original_time == 0) {
-            original_time = time_t();
-            no_original_time = true;
-        }
-
-        set_time(Time.local(original_time));
-        set_original_time_label(Config.Facade.get_instance().get_use_24_hour_time());
-    }
-
-    private void set_time(Time time) {
-        calendar.select_month(time.month, time.year + YEAR_OFFSET);
-        calendar.select_day(time.day);
-
-        if (Config.Facade.get_instance().get_use_24_hour_time()) {
-            system.set_active(TimeSystem.24HR);
-            hour.set_value(time.hour);
-        } else {
-            int AMPM_hour = time.hour % 12;
-            hour.set_value((AMPM_hour == 0) ? 12 : AMPM_hour);
-            system.set_active((time.hour >= 12) ? TimeSystem.PM : TimeSystem.AM);
-        }
-
-        minute.set_value(time.minute);
-        second.set_value(time.second);
-
-        previous_time_system = (TimeSystem) system.get_active();
-    }
-
-    private void set_original_time_label(bool use_24_hr_format) {
-        if (no_original_time)
-            return;
-
-        original_time_label.set_text(_("Original: ") + 
-            Time.local(original_time).format(use_24_hr_format ? _("%m/%d/%Y, %H:%M:%S") :
-            _("%m/%d/%Y, %I:%M:%S %p")));
-    }
-
-    private time_t get_time() {
-        Time time = Time();
-
-        time.second = (int) second.get_value();
-        time.minute = (int) minute.get_value();
-
-        // convert to 24 hr
-        int hour = (int) hour.get_value();
-        time.hour = (hour == 12 && system.get_active() != TimeSystem.24HR) ? 0 : hour;
-        time.hour += ((system.get_active() == TimeSystem.PM) ? 12 : 0);
-
-        uint year, month, day;
-        calendar.get_date(out year, out month, out day);
-        time.year = ((int) year) - YEAR_OFFSET;
-        time.month = (int) month;
-        time.day = (int) day;
-
-        time.isdst = -1;
-
-        return time.mktime();
-    }
-
-    public bool execute(out int64 time_shift, out bool keep_relativity, 
-        out bool modify_originals) {
-        show_all();
-
-        bool response = false;
-
-        if (run() == Gtk.ResponseType.OK) {
-            if (no_original_time)
-                time_shift = (int64) get_time();
-            else
-                time_shift = (int64) (get_time() - original_time);
-
-            keep_relativity = relativity_radio_button.get_active();
-
-            if (relativity_radio_button.sensitive)
-                Config.Facade.get_instance().set_keep_relativity(keep_relativity);
-
-            modify_originals = modify_originals_check_button.get_active();
-
-            if (modify_originals_check_button.sensitive)
-                Config.Facade.get_instance().set_modify_originals(modify_originals);
-
-            response = true;
-        } else {
-            time_shift = 0;
-            keep_relativity = true;
-            modify_originals = false;
-        }
-
-        destroy();
-
-        return response;
-    }
-
-    private bool on_spin_button_output(Gtk.SpinButton button) {
-        button.set_text("%02d".printf((int) button.get_value()));
-
-        on_time_changed();
-
-        return true;
-    }
-
-    private void on_time_changed() {
-        int64 time_shift = ((int64) get_time() - (int64) original_time);
-
-        previous_time_system = (TimeSystem) system.get_active();
-
-        if (time_shift == 0 || no_original_time || (batch_radio_button.get_active() &&
-            batch_radio_button.sensitive)) {
-            notification.hide();
-        } else {
-            bool forward = time_shift > 0;
-            int days, hours, minutes, seconds;
-
-            time_shift = time_shift.abs();
-
-            days = (int) (time_shift / SECONDS_IN_DAY);
-            time_shift = time_shift % SECONDS_IN_DAY;
-            hours = (int) (time_shift / SECONDS_IN_HOUR);
-            time_shift = time_shift % SECONDS_IN_HOUR;
-            minutes = (int) (time_shift / SECONDS_IN_MINUTE);
-            seconds = (int) (time_shift % SECONDS_IN_MINUTE);
-
-            string shift_status = (forward) ?
-                _("Exposure time will be shifted forward by\n%d %s, %d %s, %d %s, and %d %s.") :
-                _("Exposure time will be shifted backward by\n%d %s, %d %s, %d %s, and %d %s.");
-
-            notification.set_text(shift_status.printf(days, ngettext("day", "days", days),
-                hours, ngettext("hour", "hours", hours), minutes, 
-                ngettext("minute", "minutes", minutes), seconds, 
-                ngettext("second", "seconds", seconds)));
-
-            notification.show();
-        }
-    }
-
-    private void on_time_system_changed() {
-        if (previous_time_system == system.get_active())
-            return;
-
-        Config.Facade.get_instance().set_use_24_hour_time(system.get_active() == TimeSystem.24HR);
-
-        if (system.get_active() == TimeSystem.24HR) {
-            int time = (hour.get_value() == 12.0) ? 0 : (int) hour.get_value();
-            time = time + ((previous_time_system == TimeSystem.PM) ? 12 : 0);
-
-            hour.set_range(0, 23);
-            set_original_time_label(true);
-
-            hour.set_value(time);
-        } else {
-            int AMPM_hour = ((int) hour.get_value()) % 12;
-
-            hour.set_range(1, 12);
-            set_original_time_label(false);
-
-            hour.set_value((AMPM_hour == 0) ? 12 : AMPM_hour);
-        }
-
-        on_time_changed();
-    }
-}
-
 public const int MAX_OBJECTS_DISPLAYED = 3;
 public void multiple_object_error_dialog(Gee.ArrayList<DataObject> objects, string message, 
     string title) {
@@ -2062,630 +902,6 @@ public class ModifyTagsDialog : TagsDialog {
     
 }
 
-public interface WelcomeServiceEntry : GLib.Object {
-    public abstract string get_service_name();
-    
-    public abstract void execute();
-}
-
-public class WelcomeDialog : Gtk.Dialog {
-    Gtk.CheckButton hide_button;
-    Gtk.CheckButton? system_pictures_import_check = null;
-    Gtk.CheckButton[] external_import_checks = new Gtk.CheckButton[0];
-    WelcomeServiceEntry[] external_import_entries = new WelcomeServiceEntry[0];
-    Gtk.Label secondary_text;
-    Gtk.Label instruction_header;
-    Gtk.Box import_content;
-    Gtk.Box import_action_checkbox_packer;
-    Gtk.Box external_import_action_checkbox_packer;
-    Spit.DataImports.WelcomeImportMetaHost import_meta_host;
-    bool import_content_already_installed = false;
-    bool ok_clicked = false;
-    
-    public WelcomeDialog(Gtk.Window owner) {
-        import_meta_host = new Spit.DataImports.WelcomeImportMetaHost(this);
-        bool show_system_pictures_import = is_system_pictures_import_possible();
-        Gtk.Widget ok_button = add_button(Resources.OK_LABEL, Gtk.ResponseType.OK);
-        set_title(_("Welcome!"));
-        set_resizable(false);
-        set_type_hint(Gdk.WindowTypeHint.DIALOG);
-        set_transient_for(owner);
-
-        Gtk.Label primary_text = new Gtk.Label("");
-        primary_text.set_markup(
-            "<span size=\"large\" weight=\"bold\">%s</span>".printf(_("Welcome to Shotwell!")));
-        primary_text.xalign = 0.0f;
-        primary_text.yalign = 0.5f;
-        secondary_text = new Gtk.Label("");
-        secondary_text.set_markup("<span weight=\"normal\">%s</span>".printf(
-            _("To get started, import photos in any of these ways:")));
-        secondary_text.xalign = 0.0f;
-        secondary_text.yalign = 0.5f;
-        var image = new Gtk.Image.from_icon_name ("shotwell", Gtk.IconSize.DIALOG);
-        
-        Gtk.Box header_text = new Gtk.Box(Gtk.Orientation.VERTICAL, 0);
-        header_text.pack_start(primary_text, false, false, 5);
-        header_text.pack_start(secondary_text, false, false, 0);
-
-        Gtk.Box header_content = new Gtk.Box(Gtk.Orientation.HORIZONTAL, 12);
-        header_content.pack_start(image, false, false, 0);
-        header_content.pack_start(header_text, false, false, 0);
-
-        Gtk.Label instructions = new Gtk.Label("");
-        string indent_prefix = "   "; // we can't tell what the indent prefix is going to be so assume we need one
-        
-        string arrow_glyph = (get_direction() == Gtk.TextDirection.RTL) ? "◂" : "▸";
-        
-        instructions.set_markup(((indent_prefix + "&#8226; %s\n") + (indent_prefix + "&#8226; %s\n")
-            + (indent_prefix + "&#8226; %s")).printf(
-            _("Choose <span weight=\"bold\">File %s Import From Folder</span>").printf(arrow_glyph),
-            _("Drag and drop photos onto the Shotwell window"),
-            _("Connect a camera to your computer and import")));
-        instructions.xalign = 0.0f;
-        instructions.yalign = 0.5f;
-        
-        import_action_checkbox_packer = new Gtk.Box(Gtk.Orientation.VERTICAL, 2);
-        
-        external_import_action_checkbox_packer = new Gtk.Box(Gtk.Orientation.VERTICAL, 2);
-        import_action_checkbox_packer.add(external_import_action_checkbox_packer);
-        
-        if (show_system_pictures_import) {
-            system_pictures_import_check = new Gtk.CheckButton.with_mnemonic(
-                _("_Import photos from your %s folder").printf(
-                get_display_pathname(AppDirs.get_import_dir())));
-            import_action_checkbox_packer.add(system_pictures_import_check);
-            system_pictures_import_check.set_active(true);
-        }
-        
-        instruction_header = new Gtk.Label(
-            _("You can also import photos in any of these ways:"));
-        instruction_header.xalign = 0.0f;
-        instruction_header.yalign = 0.5f;
-        instruction_header.set_margin_top(20);
-        
-        Gtk.Box content = new Gtk.Box(Gtk.Orientation.VERTICAL, 16);
-        content.pack_start(header_content, true, true, 0);
-        import_content = new Gtk.Box(Gtk.Orientation.VERTICAL, 2);
-        content.add(import_content);
-        content.pack_start(instructions, false, false, 0);
-
-        hide_button = new Gtk.CheckButton.with_mnemonic(_("_Don’t show this message again"));
-        hide_button.set_active(true);
-        content.pack_start(hide_button, false, false, 6);
-        content.halign = Gtk.Align.FILL;
-        content.valign = Gtk.Align.FILL;
-        content.hexpand = false;
-        content.vexpand = false;
-        content.margin_top = 12;
-        content.margin_bottom = 0;
-        content.margin_start = 12;
-        content.margin_end = 12;
-
-        ((Gtk.Box) get_content_area()).pack_start(content, false, false, 0);
-
-        ok_button.grab_focus();
-
-        install_import_content();
-
-        import_meta_host.start();
-    }
-
-    private void install_import_content() {
-        if (
-            (external_import_checks.length > 0 || system_pictures_import_check != null) &&
-            (import_content_already_installed == false)
-        ) {
-            secondary_text.set_markup("");
-            import_content.add(import_action_checkbox_packer);
-            import_content.add(instruction_header);
-            import_content_already_installed = true;
-        }
-    }
-    
-    public void install_service_entry(WelcomeServiceEntry entry) {
-        debug("WelcomeDialog: Installing service entry for %s".printf(entry.get_service_name()));
-        external_import_entries += entry;
-        Gtk.CheckButton entry_check = new Gtk.CheckButton.with_label(
-            _("Import photos from your %s library").printf(entry.get_service_name()));
-        external_import_checks += entry_check;
-        entry_check.set_active(true);
-        external_import_action_checkbox_packer.add(entry_check);
-        install_import_content();
-    }
-
-    /**
-     * Connected to the 'response' signal.  This is part of a workaround
-     * for the fact that run()-ning this dialog can interfere with displaying
-     * images from a camera; please see #4997 for details.
-     */
-    private void on_dismiss(int resp) {
-        if (resp == Gtk.ResponseType.OK) {
-            ok_clicked = true;
-        }
-        hide();
-        Gtk.main_quit();
-    }
-
-    public bool execute(out WelcomeServiceEntry[] selected_import_entries, out bool do_system_pictures_import) {
-        // it's unsafe to call run() here - it interferes with displaying
-        // images from a camera - so we process the dialog ourselves.
-        response.connect(on_dismiss);
-        show_all();
-        show();
-
-        // this will block the thread we're in until a matching call
-        // to main_quit() is encountered; this happens when either the window
-        // is closed or OK is clicked.
-        Gtk.main();
-        
-        // at this point, the inner main loop will have been exited.
-        // we've got the response, so we don't need this signal anymore.
-        response.disconnect(on_dismiss);
-
-        bool ok = ok_clicked;
-        bool show_dialog = true;
-
-        if (ok)
-            show_dialog = !hide_button.get_active();
-
-        // Use a temporary variable as += cannot be used on parameters
-        WelcomeServiceEntry[] result = new WelcomeServiceEntry[0];
-        for (int i = 0; i < external_import_entries.length; i++) {
-            if (external_import_checks[i].get_active() == true)
-                result += external_import_entries[i];
-        }
-        selected_import_entries = result;
-        do_system_pictures_import = 
-            (system_pictures_import_check != null) ? system_pictures_import_check.get_active() : false;
-
-        destroy();
-
-        return show_dialog;
-    }
-    
-    private static bool is_system_pictures_import_possible() {
-        File system_pictures = AppDirs.get_import_dir();
-        if (!system_pictures.query_exists(null))
-            return false;
-        
-        if (!(system_pictures.query_file_type(FileQueryInfoFlags.NONE, null) == FileType.DIRECTORY))
-            return false;
-
-        try {
-            FileEnumerator syspics_child_enum = system_pictures.enumerate_children("standard::*",
-                FileQueryInfoFlags.NONE, null);
-            return (syspics_child_enum.next_file(null) != null);
-        } catch (Error e) {
-            return false;
-        }
-    }
-}
-
-public class PreferencesDialog {
-    private class PathFormat {
-        public PathFormat(string name, string? pattern) {
-            this.name = name;
-            this.pattern = pattern;
-        }
-        public string name;
-        public string? pattern;
-    } 
-    
-    private static PreferencesDialog preferences_dialog;
-    
-    private Gtk.Dialog dialog;
-    private Gtk.Builder builder;
-    private Gtk.Adjustment bg_color_adjustment;
-    private Gtk.Scale bg_color_slider;
-    private Gtk.ComboBox photo_editor_combo;
-    private Gtk.ComboBox raw_editor_combo;
-    private SortedList<AppInfo> external_raw_apps;
-    private SortedList<AppInfo> external_photo_apps;
-    private Gtk.FileChooserButton library_dir_button;
-    private Gtk.ComboBoxText dir_pattern_combo;
-    private Gtk.Entry dir_pattern_entry;
-    private Gtk.Label dir_pattern_example;
-    private bool allow_closing = false;
-    private string? lib_dir = null;
-    private Gee.ArrayList<PathFormat> path_formats = new Gee.ArrayList<PathFormat>();
-    private GLib.DateTime example_date = new GLib.DateTime.local(2009, 3, 10, 18, 16, 11);
-    private Gtk.CheckButton lowercase;
-    private Plugins.ManifestWidgetMediator plugins_mediator = new Plugins.ManifestWidgetMediator();
-    private Gtk.ComboBoxText default_raw_developer_combo;
-
-    private PreferencesDialog() {
-        builder = AppWindow.create_builder();
-        
-        dialog = builder.get_object("preferences_dialog") as Gtk.Dialog;
-        bool use_header;
-        Gtk.Settings.get_default ().get ("gtk-dialogs-use-header", out use_header);
-        if (!use_header) {
-            Gtk.Widget null_titlebar = null;
-            dialog.set_titlebar (null_titlebar);
-        }
-        dialog.set_parent_window(AppWindow.get_instance().get_parent_window());
-        dialog.set_transient_for(AppWindow.get_instance());
-        dialog.delete_event.connect(on_delete);
-        dialog.response.connect(on_close);
-        
-        bg_color_adjustment = builder.get_object("bg_color_adjustment") as Gtk.Adjustment;
-        bg_color_adjustment.set_value(bg_color_adjustment.get_upper() - 
-            (Config.Facade.get_instance().get_bg_color().red * 65535.0));
-        bg_color_adjustment.value_changed.connect(on_value_changed);
-
-        bg_color_slider = builder.get_object("bg_color_slider") as Gtk.Scale;
-        bg_color_slider.button_press_event.connect(on_bg_color_reset);
-
-        library_dir_button = builder.get_object("library_dir_button") as Gtk.FileChooserButton;
-        
-        photo_editor_combo = builder.get_object("external_photo_editor_combo") as Gtk.ComboBox;
-        raw_editor_combo = builder.get_object("external_raw_editor_combo") as Gtk.ComboBox;
-        
-        Gtk.Label pattern_help = builder.get_object("pattern_help") as Gtk.Label;
-
-        // Ticket #3162 - Move dir pattern blurb into Gnome help. 
-        // Because specifying a particular snippet of the help requires 
-        // us to know where its located, we can't hardcode a URL anymore;
-        // instead, we ask for the help path, and if we find it, we tell
-        // yelp to read from there, otherwise, we read from system-wide. 
-        string help_path = Resources.get_help_path();
-        
-        if (help_path == null) {
-            // We're installed system-wide, so use the system help.
-            pattern_help.set_markup("<a href=\"" + Resources.DIR_PATTERN_URI_SYSWIDE + "\">" + _("(Help)") + "</a>");
-        } else {
-            // We're being run from the build directory; we'll have to handle clicks to this
-            // link manually ourselves, due to a limitation of help: URIs.
-            pattern_help.set_markup("<a href=\"dummy:\">" + _("(Help)") + "</a>");
-            pattern_help.activate_link.connect(on_local_pattern_help);
-        }
-        
-        dir_pattern_combo = builder.get_object("dir choser") as Gtk.ComboBoxText;
-        dir_pattern_entry = builder.get_object("dir_pattern_entry") as Gtk.Entry;
-        dir_pattern_example = builder.get_object("dynamic example") as Gtk.Label;
-        add_to_dir_formats(_("Year%sMonth%sDay").printf(Path.DIR_SEPARATOR_S, Path.DIR_SEPARATOR_S), 
-            "%Y" + Path.DIR_SEPARATOR_S + "%m" + Path.DIR_SEPARATOR_S + "%d");
-        add_to_dir_formats(_("Year%sMonth").printf(Path.DIR_SEPARATOR_S), "%Y" +
-            Path.DIR_SEPARATOR_S + "%m");
-        add_to_dir_formats(_("Year%sMonth-Day").printf(Path.DIR_SEPARATOR_S), 
-            "%Y" + Path.DIR_SEPARATOR_S + "%m-%d");
-        add_to_dir_formats(_("Year-Month-Day"), "%Y-%m-%d");
-        add_to_dir_formats(_("Custom"), null); // Custom must always be last.
-        dir_pattern_combo.changed.connect(on_dir_pattern_combo_changed);
-        dir_pattern_entry.changed.connect(on_dir_pattern_entry_changed);
-        
-        (builder.get_object("dir_structure_label") as Gtk.Label).set_mnemonic_widget(dir_pattern_combo);
-        
-        lowercase = builder.get_object("lowercase") as Gtk.CheckButton;
-        lowercase.toggled.connect(on_lowercase_toggled);
-        
-        var notebook = builder.get_object("preferences-notebook") as Gtk.Notebook;
-        (notebook.get_nth_page (2) as Gtk.Container).add (plugins_mediator.widget);
-
-        populate_preference_options();
-
-        photo_editor_combo.changed.connect(on_photo_editor_changed);
-        raw_editor_combo.changed.connect(on_raw_editor_changed);
-        
-        Gtk.CheckButton auto_import_button = builder.get_object("autoimport") as Gtk.CheckButton;
-        auto_import_button.set_active(Config.Facade.get_instance().get_auto_import_from_library());
-        
-        Gtk.CheckButton commit_metadata_button = builder.get_object("write_metadata") as Gtk.CheckButton;
-        commit_metadata_button.set_active(Config.Facade.get_instance().get_commit_metadata_to_masters());
-        
-        default_raw_developer_combo = builder.get_object("default_raw_developer") as Gtk.ComboBoxText;
-        default_raw_developer_combo.append_text(RawDeveloper.CAMERA.get_label());
-        default_raw_developer_combo.append_text(RawDeveloper.SHOTWELL.get_label());
-        set_raw_developer_combo(Config.Facade.get_instance().get_default_raw_developer());
-        default_raw_developer_combo.changed.connect(on_default_raw_developer_changed);
-        
-        dialog.map_event.connect(map_event);
-    }
-    
-    public void populate_preference_options() {
-        populate_app_combo_box(photo_editor_combo, PhotoFileFormat.get_editable_mime_types(), 
-            Config.Facade.get_instance().get_external_photo_app(), out external_photo_apps);
-
-        populate_app_combo_box(raw_editor_combo, PhotoFileFormat.RAW.get_mime_types(), 
-            Config.Facade.get_instance().get_external_raw_app(), out external_raw_apps);
-        
-        setup_dir_pattern(dir_pattern_combo, dir_pattern_entry);
-        
-        lowercase.set_active(Config.Facade.get_instance().get_use_lowercase_filenames());
-    }
-    
-    // Ticket #3162, part II - if we're not yet installed, then we have to manually launch
-    // the help viewer and specify the full path to the subsection we want...
-    private bool on_local_pattern_help(string ignore) {
-        try {
-            Resources.launch_help(AppWindow.get_instance().get_screen(), "other-files.page");
-        } catch (Error e) {
-            message("Unable to launch help: %s", e.message);
-        }
-        return true;
-    }
-    
-    private void populate_app_combo_box(Gtk.ComboBox combo_box, string[] mime_types,
-        string current_app_executable, out SortedList<AppInfo> external_apps) {
-        // get list of all applications for the given mime types
-        assert(mime_types.length != 0);
-        external_apps = DesktopIntegration.get_apps_for_mime_types(mime_types);
-        
-        if (external_apps.size == 0)
-            return;
-        
-        // populate application ComboBox with app names and icons
-        Gtk.CellRendererPixbuf pixbuf_renderer = new Gtk.CellRendererPixbuf();
-        Gtk.CellRendererText text_renderer = new Gtk.CellRendererText();
-        combo_box.clear();
-        combo_box.pack_start(pixbuf_renderer, false);
-        combo_box.pack_start(text_renderer, false);
-        combo_box.add_attribute(pixbuf_renderer, "pixbuf", 0);
-        combo_box.add_attribute(text_renderer, "text", 1);
-        
-        // TODO: need more space between icons and text
-        Gtk.ListStore combo_store = new Gtk.ListStore(2, typeof(Gdk.Pixbuf), typeof(string));
-        Gtk.TreeIter iter;
-        
-        int current_app = -1;
-        
-        foreach (AppInfo app in external_apps) {
-            combo_store.append(out iter);
-
-            Icon app_icon = app.get_icon();
-            try {
-                if (app_icon is FileIcon) {
-                    combo_store.set_value(iter, 0, scale_pixbuf(new Gdk.Pixbuf.from_file(
-                        ((FileIcon) app_icon).get_file().get_path()), Resources.DEFAULT_ICON_SCALE,
-                        Gdk.InterpType.BILINEAR, false));
-                } else if (app_icon is ThemedIcon) {
-                    Gdk.Pixbuf icon_pixbuf = 
-                        Gtk.IconTheme.get_default().load_icon(((ThemedIcon) app_icon).get_names()[0],
-                        Resources.DEFAULT_ICON_SCALE, Gtk.IconLookupFlags.FORCE_SIZE);
-                    
-                    combo_store.set_value(iter, 0, icon_pixbuf);
-                }
-            } catch (GLib.Error error) {
-                warning("Error loading icon pixbuf: " + error.message);
-            }
-
-            combo_store.set_value(iter, 1, app.get_name());
-            
-            if (app.get_commandline() == current_app_executable)
-                current_app = external_apps.index_of(app);
-        }
-        
-        // TODO: allow users to choose unlisted applications like Nautilus's "Open with -> Other Application..."
-
-        combo_box.set_model(combo_store);
-
-        if (current_app != -1)
-            combo_box.set_active(current_app);
-    }
-    
-    private void setup_dir_pattern(Gtk.ComboBox combo_box, Gtk.Entry entry) {
-        string? pattern = Config.Facade.get_instance().get_directory_pattern();
-        bool found = false;
-        if (null != pattern) {
-            // Locate pre-built text.
-            int i = 0;
-            foreach (PathFormat pf in path_formats) {
-                if (pf.pattern == pattern) {
-                    combo_box.set_active(i);
-                    found = true;
-                    break;
-                }
-                i++;
-            }
-        } else {
-            // Custom path.
-            string? s = Config.Facade.get_instance().get_directory_pattern_custom();
-            if (!is_string_empty(s)) {
-                combo_box.set_active(path_formats.size - 1); // Assume "custom" is last.
-                found = true;
-            }
-        }
-        
-        if (!found) {
-            combo_box.set_active(0);
-        }
-        
-        on_dir_pattern_combo_changed();
-    }
-    
-    public static void show() {
-        if (preferences_dialog == null) 
-            preferences_dialog = new PreferencesDialog();
-        
-        preferences_dialog.populate_preference_options();
-        preferences_dialog.dialog.show_all();
-        preferences_dialog.library_dir_button.set_current_folder(AppDirs.get_import_dir().get_path());
-
-        // Ticket #3001: Cause the dialog to become active if the user chooses 'Preferences'
-        // from the menus a second time.
-        preferences_dialog.dialog.present();
-    }
-
-    // For items that should only be committed when the dialog is closed, not as soon as the change
-    // is made.
-    private void commit_on_close() {
-        Config.Facade.get_instance().commit_bg_color();
-        
-        Gtk.CheckButton? autoimport = builder.get_object("autoimport") as Gtk.CheckButton;
-        if (autoimport != null)
-            Config.Facade.get_instance().set_auto_import_from_library(autoimport.active);
-        
-        Gtk.CheckButton? commit_metadata = builder.get_object("write_metadata") as Gtk.CheckButton;
-        if (commit_metadata != null)
-            Config.Facade.get_instance().set_commit_metadata_to_masters(commit_metadata.active);
-       
-        if (lib_dir != null)
-            AppDirs.set_import_dir(lib_dir);
-        
-        PathFormat pf = path_formats.get(dir_pattern_combo.get_active());
-        if (null == pf.pattern) {
-            Config.Facade.get_instance().set_directory_pattern_custom(dir_pattern_entry.text);
-            Config.Facade.get_instance().set_directory_pattern(null);
-        } else {
-            Config.Facade.get_instance().set_directory_pattern(pf.pattern);
-        }
-    }
-    
-    private bool on_delete() {
-        if (!get_allow_closing())
-            return true;
-        
-        commit_on_close();
-        return dialog.hide_on_delete(); //prevent widgets from getting destroyed
-    }
-    
-    private void on_close() {
-        if (!get_allow_closing())
-            return;
-            
-        dialog.hide();
-        commit_on_close();
-    }
-    
-    private void on_value_changed() {
-        set_background_color((double)(bg_color_adjustment.get_upper() - 
-            bg_color_adjustment.get_value()) / 65535.0);
-    }
-
-    private bool on_bg_color_reset(Gdk.EventButton event) {
-        if (event.button == 1 && event.type == Gdk.EventType.BUTTON_PRESS
-            && has_only_key_modifier(event.state, Gdk.ModifierType.CONTROL_MASK)) {
-            // Left Mouse Button and CTRL pressed
-            bg_color_slider.set_value(bg_color_adjustment.get_upper() - 
-                (parse_color(Config.Facade.DEFAULT_BG_COLOR).red * 65536.0f));
-            on_value_changed();
-
-            return true;
-        }
-
-        return false;
-    }
-    
-    private void on_dir_pattern_combo_changed() {
-        PathFormat pf = path_formats.get(dir_pattern_combo.get_active());
-        if (null == pf.pattern) {
-            // Custom format.
-            string? dir_pattern = Config.Facade.get_instance().get_directory_pattern_custom();
-            if (is_string_empty(dir_pattern))
-                dir_pattern = "";
-            dir_pattern_entry.set_text(dir_pattern);
-            dir_pattern_entry.editable = true;
-            dir_pattern_entry.sensitive = true;
-        } else {
-            dir_pattern_entry.set_text(pf.pattern);
-            dir_pattern_entry.editable = false;
-            dir_pattern_entry.sensitive = false;
-        }
-    }
-    
-    private void on_dir_pattern_entry_changed() {
-         string example = example_date.format(dir_pattern_entry.text);
-         if (is_string_empty(example) && !is_string_empty(dir_pattern_entry.text)) {
-            // Invalid pattern.
-            dir_pattern_example.set_text(_("Invalid pattern"));
-            dir_pattern_entry.set_icon_from_icon_name(Gtk.EntryIconPosition.SECONDARY, "dialog-error");
-            dir_pattern_entry.set_icon_activatable(Gtk.EntryIconPosition.SECONDARY, false);
-            set_allow_closing(false);
-         } else {
-            // Valid pattern.
-            dir_pattern_example.set_text(example);
-            dir_pattern_entry.set_icon_from_icon_name(Gtk.EntryIconPosition.SECONDARY, null);
-            set_allow_closing(true);
-         }
-    }
-    
-    private void set_allow_closing(bool allow) {
-        dialog.set_deletable(allow);
-        allow_closing = allow;
-    }
-    
-    private bool get_allow_closing() {
-        return allow_closing;
-    }
-
-    private void set_background_color(double bg_color_value) {
-        Config.Facade.get_instance().set_bg_color(to_grayscale(bg_color_value));
-    }
-
-    private Gdk.RGBA to_grayscale(double color_value) {
-        Gdk.RGBA color = Gdk.RGBA();
-        
-        color.red = color_value;
-        color.green = color_value;
-        color.blue = color_value;
-        color.alpha = 1.0;
-        
-        return color;
-    }
-    
-    private void on_photo_editor_changed() {
-        int photo_app_choice_index = (photo_editor_combo.get_active() < external_photo_apps.size) ? 
-            photo_editor_combo.get_active() : external_photo_apps.size;
-            
-        AppInfo app = external_photo_apps.get_at(photo_app_choice_index);
-
-        Config.Facade.get_instance().set_external_photo_app(DesktopIntegration.get_app_open_command(app));
-
-        debug("setting external photo editor to: %s", DesktopIntegration.get_app_open_command(app));
-    }
-    
-    private void on_raw_editor_changed() {
-        int raw_app_choice_index = (raw_editor_combo.get_active() < external_raw_apps.size) ? 
-            raw_editor_combo.get_active() : external_raw_apps.size;
-        
-        AppInfo app = external_raw_apps.get_at(raw_app_choice_index);
-        
-        Config.Facade.get_instance().set_external_raw_app(app.get_commandline());
-        
-        debug("setting external raw editor to: %s", app.get_commandline());
-    }
-    
-    private RawDeveloper raw_developer_from_combo() {
-        if (default_raw_developer_combo.get_active() == 0)
-            return RawDeveloper.CAMERA;
-        return RawDeveloper.SHOTWELL;
-    }
-    
-    private void set_raw_developer_combo(RawDeveloper d) {
-        if (d == RawDeveloper.CAMERA)
-            default_raw_developer_combo.set_active(0);
-        else
-            default_raw_developer_combo.set_active(1);
-    }
-    
-    private void on_default_raw_developer_changed() {
-        Config.Facade.get_instance().set_default_raw_developer(raw_developer_from_combo());
-    }
-    
-    private void on_current_folder_changed() {
-        lib_dir = library_dir_button.get_filename();
-    }
-    
-    private bool map_event() {
-        // Set the signal for the lib dir button after the dialog is displayed, 
-        // because the FileChooserButton has a nasty habit of selecting a
-        // different folder when displayed if the provided path doesn't exist.
-        // See ticket #3000 for more info.
-        library_dir_button.current_folder_changed.connect(on_current_folder_changed);
-        return true;
-    }
-    
-    private void add_to_dir_formats(string name, string? pattern) {
-        PathFormat pf = new PathFormat(name, pattern);
-        path_formats.add(pf);
-        dir_pattern_combo.append_text(name);
-    }
-    
-    private void on_lowercase_toggled() {
-        Config.Facade.get_instance().set_use_lowercase_filenames(lowercase.get_active());
-    }
-}
-
 // This function is used to determine whether or not files should be copied or linked when imported.
 // Returns ACCEPT for copy, REJECT for link, and CANCEL for (drum-roll) cancel.
 public Gtk.ResponseType copy_files_dialog() {