/*
 *  This file is part of RawTherapee.
 *
 *  Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
 *  Copyright (c) 2011 Michael Ezra <www.michaelezra.com>
 *
 *  RawTherapee 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.
 *
 *  RawTherapee is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with RawTherapee.  If not, see <http://www.gnu.org/licenses/>.
 */
#include "filecatalog.h"

#include <iostream>
#include <iomanip>

#include <glib/gstdio.h>

#include "../rtengine/rt_math.h"

#include "guiutils.h"
#include "options.h"
#include "rtimage.h"
#include "cachemanager.h"
#include "multilangmgr.h"
#include "filepanel.h"
#include "renamedlg.h"
#include "thumbimageupdater.h"
#include "batchqueue.h"
#include "placesbrowser.h"

using namespace std;

#define CHECKTIME 2000

FileCatalog::FileCatalog (CoarsePanel* cp, ToolBar* tb, FilePanel* filepanel) :
    filepanel(filepanel),
    selectedDirectoryId(1),
    listener(nullptr),
    fslistener(nullptr),
    hasValidCurrentEFS(false),
    filterPanel(nullptr),
    previewsToLoad(0),
    previewsLoaded(0),
    coarsePanel(cp),
    toolBar(tb)
{

    inTabMode = false;

    set_name ("FileBrowser");
    set_spacing (2);

    //  construct and initialize thumbnail browsers
    fileBrowser = Gtk::manage( new FileBrowser() );
    fileBrowser->setFileBrowserListener (this);
    fileBrowser->setArrangement (ThumbBrowserBase::TB_Vertical);
    fileBrowser->show ();

    set_size_request(0, 250);
    // construct trash panel with the extra "empty trash" button
    trashButtonBox = Gtk::manage( new Gtk::VBox );
    Gtk::Button* emptyT = Gtk::manage( new Gtk::Button ());
    emptyT->set_tooltip_markup (M("FILEBROWSER_EMPTYTRASHHINT"));
    emptyT->set_image (*Gtk::manage(new RTImage ("trash.png")));
    emptyT->signal_pressed().connect (sigc::mem_fun(*this, &FileCatalog::emptyTrash));
    trashButtonBox->pack_start (*emptyT, Gtk::PACK_SHRINK, 4);
    emptyT->show ();
    trashButtonBox->show ();

    //initialize hbToolBar1
    hbToolBar1 = Gtk::manage(new Gtk::HBox ());

    //setup BrowsePath
    iRefreshWhite = new RTImage("refresh-white.png");
    iRefreshRed = new RTImage("refresh-red.png");

    BrowsePath = Gtk::manage(new Gtk::Entry ());
    BrowsePath->set_width_chars (50);
    BrowsePath->set_tooltip_markup (M("FILEBROWSER_BROWSEPATHHINT"));
    Gtk::HBox* hbBrowsePath = Gtk::manage(new Gtk::HBox ());
    buttonBrowsePath = Gtk::manage(new Gtk::Button ());
    buttonBrowsePath->set_image (*iRefreshWhite);
    buttonBrowsePath->set_tooltip_markup (M("FILEBROWSER_BROWSEPATHBUTTONHINT"));
    buttonBrowsePath->set_relief (Gtk::RELIEF_NONE);
    buttonBrowsePath->signal_clicked().connect( sigc::mem_fun(*this, &FileCatalog::buttonBrowsePathPressed) );
    hbBrowsePath->pack_start (*BrowsePath, Gtk::PACK_EXPAND_WIDGET, 0);
    hbBrowsePath->pack_start (*buttonBrowsePath, Gtk::PACK_SHRINK, 0);
    hbToolBar1->pack_start (*hbBrowsePath, Gtk::PACK_EXPAND_WIDGET, 0);

    BrowsePath->signal_activate().connect (sigc::mem_fun(*this, &FileCatalog::buttonBrowsePathPressed)); //respond to the Enter key
    BrowsePath->signal_key_press_event().connect(sigc::mem_fun(*this, &FileCatalog::BrowsePath_key_pressed));

    //setup Query
    iQueryClear = new RTImage("gtk-close-small.png");
    Gtk::Label* labelQuery = Gtk::manage(new Gtk::Label(M("FILEBROWSER_QUERYLABEL")));
    Query = Gtk::manage(new Gtk::Entry ()); // cannot use Gtk::manage here as FileCatalog::getFilter will fail on Query->get_text()
    Query->set_text("");
    Query->set_width_chars (20); // TODO !!! add this value to options?
    Query->set_max_width_chars (20);
    Query->set_tooltip_markup (M("FILEBROWSER_QUERYHINT"));
    Gtk::HBox* hbQuery = Gtk::manage(new Gtk::HBox ());
    buttonQueryClear = Gtk::manage(new Gtk::Button ());
    buttonQueryClear->set_image (*iQueryClear);
    buttonQueryClear->set_tooltip_markup (M("FILEBROWSER_QUERYBUTTONHINT"));
    buttonQueryClear->set_relief (Gtk::RELIEF_NONE);
    buttonQueryClear->signal_clicked().connect( sigc::mem_fun(*this, &FileCatalog::buttonQueryClearPressed) );
    hbQuery->pack_start (*labelQuery, Gtk::PACK_SHRINK, 0);
    hbQuery->pack_start (*Query, Gtk::PACK_SHRINK, 0);
    hbQuery->pack_start (*buttonQueryClear, Gtk::PACK_SHRINK, 0);
    hbToolBar1->pack_start (*hbQuery, Gtk::PACK_SHRINK, 0);

    Query->signal_activate().connect (sigc::mem_fun(*this, &FileCatalog::executeQuery)); //respond to the Enter key
    Query->signal_key_press_event().connect(sigc::mem_fun(*this, &FileCatalog::Query_key_pressed));

    // if NOT a single row toolbar
    if (!options.FileBrowserToolbarSingleRow) {
        pack_start (*hbToolBar1, Gtk::PACK_SHRINK, 0);
    }

    // setup button bar
    buttonBar = Gtk::manage( new Gtk::HBox () );
    buttonBar->set_name ("ToolBarPanelFileBrowser");
    pack_start (*buttonBar, Gtk::PACK_SHRINK);

    tbLeftPanel_1 = new Gtk::ToggleButton ();
    iLeftPanel_1_Show = new RTImage("panel-to-right.png");
    iLeftPanel_1_Hide = new RTImage("panel-to-left.png");

    tbLeftPanel_1->set_relief(Gtk::RELIEF_NONE);
    tbLeftPanel_1->set_active (true);
    tbLeftPanel_1->set_tooltip_markup (M("MAIN_TOOLTIP_SHOWHIDELP1"));
    tbLeftPanel_1->set_image (*iLeftPanel_1_Hide);
    tbLeftPanel_1->signal_toggled().connect( sigc::mem_fun(*this, &FileCatalog::tbLeftPanel_1_toggled) );
    buttonBar->pack_start (*tbLeftPanel_1, Gtk::PACK_SHRINK);

    vSepiLeftPanel = new Gtk::VSeparator ();
    buttonBar->pack_start (*vSepiLeftPanel, Gtk::PACK_SHRINK);

    iFilterClear = new RTImage ("filterclear.png");
    igFilterClear = new RTImage ("filter.png");
    bFilterClear = Gtk::manage(new Gtk::ToggleButton ());
    bFilterClear->set_active (true);
    bFilterClear->set_image(*iFilterClear);// (*Gtk::manage(new RTImage ("filterclear.png")));
    bFilterClear->set_relief (Gtk::RELIEF_NONE);
    bFilterClear->set_tooltip_markup (M("FILEBROWSER_SHOWDIRHINT"));
    bFilterClear->signal_button_press_event().connect (sigc::mem_fun(*this, &FileCatalog::capture_event), false);
    bCateg[0] = bFilterClear->signal_toggled().connect (sigc::bind(sigc::mem_fun(*this, &FileCatalog::categoryButtonToggled), bFilterClear, true));
    buttonBar->pack_start (*bFilterClear, Gtk::PACK_SHRINK);
    buttonBar->pack_start (*Gtk::manage(new Gtk::VSeparator), Gtk::PACK_SHRINK);

    fltrVbox1 = Gtk::manage (new Gtk::VBox());
    fltrRankbox = Gtk::manage (new Gtk::HBox());
    fltrLabelbox = Gtk::manage (new Gtk::HBox());

    iUnRanked = new RTImage ("ratednot.png");
    igUnRanked = new RTImage ("ratednotg.png");
    bUnRanked = Gtk::manage( new Gtk::ToggleButton () );
    bUnRanked->set_active (false);
    bUnRanked->set_image (*igUnRanked);
    bUnRanked->set_relief (Gtk::RELIEF_NONE);
    bUnRanked->set_tooltip_markup (M("FILEBROWSER_SHOWUNRANKHINT"));
    bCateg[1] = bUnRanked->signal_toggled().connect (sigc::bind(sigc::mem_fun(*this, &FileCatalog::categoryButtonToggled), bUnRanked, true));
    fltrRankbox->pack_start (*bUnRanked, Gtk::PACK_SHRINK);
    bUnRanked->signal_button_press_event().connect (sigc::mem_fun(*this, &FileCatalog::capture_event), false);

    for (int i = 0; i < 5; i++) {
        iranked[i] = new RTImage ("rated.png");
        igranked[i] = new RTImage ("grayrated.png");
        iranked[i]->show ();
        igranked[i]->show ();
        bRank[i] = Gtk::manage( new Gtk::ToggleButton () );
        bRank[i]->set_image (*igranked[i]);
        bRank[i]->set_relief (Gtk::RELIEF_NONE);
        fltrRankbox->pack_start (*bRank[i], Gtk::PACK_SHRINK);
        bCateg[i + 2] = bRank[i]->signal_toggled().connect (sigc::bind(sigc::mem_fun(*this, &FileCatalog::categoryButtonToggled), bRank[i], true));
        bRank[i]->signal_button_press_event().connect (sigc::mem_fun(*this, &FileCatalog::capture_event), false);
    }

    iUnCLabeled = new RTImage ("clabel0.png");
    igUnCLabeled = new RTImage ("cglabel0.png");
    bUnCLabeled = Gtk::manage(new Gtk::ToggleButton ());
    bUnCLabeled->set_active (false);
    bUnCLabeled->set_image (*igUnCLabeled);
    bUnCLabeled->set_relief (Gtk::RELIEF_NONE);
    bUnCLabeled->set_tooltip_markup (M("FILEBROWSER_SHOWUNCOLORHINT"));
    bCateg[7] = bUnCLabeled->signal_toggled().connect (sigc::bind(sigc::mem_fun(*this, &FileCatalog::categoryButtonToggled), bUnCLabeled, true));
    fltrLabelbox->pack_start (*bUnCLabeled, Gtk::PACK_SHRINK);
    bUnCLabeled->signal_button_press_event().connect (sigc::mem_fun(*this, &FileCatalog::capture_event), false);

    for (int i = 0; i < 5; i++) {
        iCLabeled[i] = new RTImage (Glib::ustring::compose("%1%2%3", "clabel", i + 1, ".png"));
        igCLabeled[i] = new RTImage (Glib::ustring::compose("%1%2%3", "cglabel", i + 1, ".png"));
        iCLabeled[i]->show ();
        igCLabeled[i]->show ();
        bCLabel[i] = Gtk::manage(new Gtk::ToggleButton ());
        bCLabel[i]->set_image (*igCLabeled[i]);
        bCLabel[i]->set_relief (Gtk::RELIEF_NONE);
        fltrLabelbox->pack_start (*bCLabel[i], Gtk::PACK_SHRINK);
        bCateg[i + 8] = bCLabel[i]->signal_toggled().connect (sigc::bind(sigc::mem_fun(*this, &FileCatalog::categoryButtonToggled), bCLabel[i], true));
        bCLabel[i]->signal_button_press_event().connect (sigc::mem_fun(*this, &FileCatalog::capture_event), false);
    }

    fltrVbox1->pack_start (*fltrRankbox, Gtk::PACK_SHRINK, 0);
    fltrVbox1->pack_start (*fltrLabelbox, Gtk::PACK_SHRINK, 0);
    buttonBar->pack_start (*fltrVbox1, Gtk::PACK_SHRINK);

    bRank[0]->set_tooltip_markup (M("FILEBROWSER_SHOWRANK1HINT"));
    bRank[1]->set_tooltip_markup (M("FILEBROWSER_SHOWRANK2HINT"));
    bRank[2]->set_tooltip_markup (M("FILEBROWSER_SHOWRANK3HINT"));
    bRank[3]->set_tooltip_markup (M("FILEBROWSER_SHOWRANK4HINT"));
    bRank[4]->set_tooltip_markup (M("FILEBROWSER_SHOWRANK5HINT"));

    bCLabel[0]->set_tooltip_markup (M("FILEBROWSER_SHOWCOLORLABEL1HINT"));
    bCLabel[1]->set_tooltip_markup (M("FILEBROWSER_SHOWCOLORLABEL2HINT"));
    bCLabel[2]->set_tooltip_markup (M("FILEBROWSER_SHOWCOLORLABEL3HINT"));
    bCLabel[3]->set_tooltip_markup (M("FILEBROWSER_SHOWCOLORLABEL4HINT"));
    bCLabel[4]->set_tooltip_markup (M("FILEBROWSER_SHOWCOLORLABEL5HINT"));

    buttonBar->pack_start (*Gtk::manage(new Gtk::VSeparator), Gtk::PACK_SHRINK);

    fltrVbox2 = Gtk::manage (new Gtk::VBox());
    fltrEditedBox = Gtk::manage (new Gtk::HBox());
    fltrRecentlySavedBox = Gtk::manage (new Gtk::HBox());

    // bEdited
    iEdited[0] = new RTImage ("editednot-small.png");
    igEdited[0] = new RTImage ("editednotg-small.png");
    iEdited[1] = new RTImage ("edited-small.png");
    igEdited[1] = new RTImage ("editedg-small.png");

    for (int i = 0; i < 2; i++) {
        iEdited[i]->show ();
        bEdited[i] = Gtk::manage(new Gtk::ToggleButton ());
        bEdited[i]->set_active (false);
        bEdited[i]->set_image (*igEdited[i]);
        bEdited[i]->set_relief (Gtk::RELIEF_NONE);
        fltrEditedBox->pack_start (*bEdited[i], Gtk::PACK_SHRINK);
        //13, 14
        bCateg[i + 13] = bEdited[i]->signal_toggled().connect (sigc::bind(sigc::mem_fun(*this, &FileCatalog::categoryButtonToggled), bEdited[i], true));
        bEdited[i]->signal_button_press_event().connect (sigc::mem_fun(*this, &FileCatalog::capture_event), false);
    }

    bEdited[0]->set_tooltip_markup (M("FILEBROWSER_SHOWEDITEDNOTHINT"));
    bEdited[1]->set_tooltip_markup (M("FILEBROWSER_SHOWEDITEDHINT"));

    // RecentlySaved
    iRecentlySaved[0] = new RTImage ("savednot.png");
    igRecentlySaved[0] = new RTImage ("savednotg.png");
    iRecentlySaved[1] = new RTImage ("saved.png");
    igRecentlySaved[1] = new RTImage ("savedg.png");

    for (int i = 0; i < 2; i++) {
        iRecentlySaved[i]->show ();
        bRecentlySaved[i] = Gtk::manage(new Gtk::ToggleButton ());
        bRecentlySaved[i]->set_active (false);
        bRecentlySaved[i]->set_image (*igRecentlySaved[i]);
        bRecentlySaved[i]->set_relief (Gtk::RELIEF_NONE);
        fltrRecentlySavedBox->pack_start (*bRecentlySaved[i], Gtk::PACK_SHRINK);
        //15, 16
        bCateg[i + 15] = bRecentlySaved[i]->signal_toggled().connect (sigc::bind(sigc::mem_fun(*this, &FileCatalog::categoryButtonToggled), bRecentlySaved[i], true));
        bRecentlySaved[i]->signal_button_press_event().connect (sigc::mem_fun(*this, &FileCatalog::capture_event), false);
    }

    bRecentlySaved[0]->set_tooltip_markup (M("FILEBROWSER_SHOWRECENTLYSAVEDNOTHINT"));
    bRecentlySaved[1]->set_tooltip_markup (M("FILEBROWSER_SHOWRECENTLYSAVEDHINT"));

    fltrVbox2->pack_start (*fltrEditedBox, Gtk::PACK_SHRINK, 0);
    fltrVbox2->pack_start (*fltrRecentlySavedBox, Gtk::PACK_SHRINK, 0);
    buttonBar->pack_start (*fltrVbox2, Gtk::PACK_SHRINK);

    buttonBar->pack_start (*Gtk::manage(new Gtk::VSeparator), Gtk::PACK_SHRINK);

    // Trash
    iTrashEmpty = new RTImage("trash-show-empty.png") ;
    iTrashFull  = new RTImage("trash-show-full.png") ;

    bTrash = Gtk::manage( new Gtk::ToggleButton () );
    bTrash->set_image (*iTrashEmpty);
    bTrash->set_relief (Gtk::RELIEF_NONE);
    bTrash->set_tooltip_markup (M("FILEBROWSER_SHOWTRASHHINT"));
    bCateg[17] = bTrash->signal_toggled().connect (sigc::bind(sigc::mem_fun(*this, &FileCatalog::categoryButtonToggled), bTrash, true));
    bTrash->signal_button_press_event().connect (sigc::mem_fun(*this, &FileCatalog::capture_event), false);

    iNotTrash = new RTImage("trash-hide-deleted.png") ;
    iOriginal = new RTImage("filter-original-2.png");

    bNotTrash = Gtk::manage( new Gtk::ToggleButton () );
    bNotTrash->set_image (*iNotTrash);
    bNotTrash->set_relief (Gtk::RELIEF_NONE);
    bNotTrash->set_tooltip_markup (M("FILEBROWSER_SHOWNOTTRASHHINT"));
    bCateg[18] = bNotTrash->signal_toggled().connect (sigc::bind(sigc::mem_fun(*this, &FileCatalog::categoryButtonToggled), bNotTrash, true));
    bNotTrash->signal_button_press_event().connect (sigc::mem_fun(*this, &FileCatalog::capture_event), false);

    bOriginal = Gtk::manage( new Gtk::ToggleButton () );
    bOriginal->set_image (*iOriginal);
    bOriginal->set_tooltip_markup (M("FILEBROWSER_SHOWORIGINALHINT"));
    bOriginal->set_relief (Gtk::RELIEF_NONE);
    bCateg[19] = bOriginal->signal_toggled().connect (sigc::bind(sigc::mem_fun(*this, &FileCatalog::categoryButtonToggled), bOriginal, true));
    bOriginal->signal_button_press_event().connect (sigc::mem_fun(*this, &FileCatalog::capture_event), false);

    buttonBar->pack_start (*bTrash, Gtk::PACK_SHRINK);
    buttonBar->pack_start (*bNotTrash, Gtk::PACK_SHRINK);
    buttonBar->pack_start (*bOriginal, Gtk::PACK_SHRINK);
    buttonBar->pack_start (*Gtk::manage(new Gtk::VSeparator), Gtk::PACK_SHRINK);
    fileBrowser->trash_changed().connect( sigc::mem_fun(*this, &FileCatalog::trashChanged) );

    // 0  - bFilterClear
    // 1  - bUnRanked
    // 2  - bRank[0]
    // 3  - bRank[1]
    // 4  - bRank[2]
    // 5  - bRank[3]
    // 6  - bRank[4]
    // 7  - bUnCLabeled
    // 8  - bCLabel[0]
    // 9  - bCLabel[1]
    // 10 - bCLabel[2]
    // 11 - bCLabel[3]
    // 12 - bCLabel[4]
    // 13 - bEdited[0]
    // 14 - bEdited[1]
    // 15 - bRecentlySaved[0]
    // 16 - bRecentlySaved[1]
    // 17 - bTrash
    // 18 - bNotTrash
    // 19 - bOriginal

    categoryButtons[0] = bFilterClear;
    categoryButtons[1] = bUnRanked;

    for (int i = 0; i < 5; i++) {
        categoryButtons[i + 2] = bRank[i];
    }

    categoryButtons[7] = bUnCLabeled;

    for (int i = 0; i < 5; i++) {
        categoryButtons[i + 8] = bCLabel[i];
    }

    for (int i = 0; i < 2; i++) {
        categoryButtons[i + 13] = bEdited[i];
    }

    for (int i = 0; i < 2; i++) {
        categoryButtons[i + 15] = bRecentlySaved[i];
    }

    categoryButtons[17] = bTrash;
    categoryButtons[18] = bNotTrash;
    categoryButtons[19] = bOriginal;

    exifInfo = Gtk::manage(new Gtk::ToggleButton ());
    exifInfo->set_image (*Gtk::manage(new RTImage ("info.png")));
    exifInfo->set_relief (Gtk::RELIEF_NONE);
    exifInfo->set_tooltip_markup (M("FILEBROWSER_SHOWEXIFINFO"));
    exifInfo->set_active( options.showFileNames );
    exifInfo->signal_toggled().connect(sigc::mem_fun(*this, &FileCatalog::exifInfoButtonToggled));
    buttonBar->pack_start (*exifInfo, Gtk::PACK_SHRINK);

    // thumbnail zoom
    Gtk::HBox* zoomBox = Gtk::manage( new Gtk::HBox () );
    zoomInButton  = Gtk::manage(  new Gtk::Button () );
    zoomInButton->set_image (*Gtk::manage(new RTImage ("gtk-zoom-in.png")));
    zoomInButton->signal_pressed().connect (sigc::mem_fun(*this, &FileCatalog::zoomIn));
    zoomInButton->set_relief (Gtk::RELIEF_NONE);
    zoomInButton->set_tooltip_markup (M("FILEBROWSER_ZOOMINHINT"));
    zoomBox->pack_end (*zoomInButton, Gtk::PACK_SHRINK);
    zoomOutButton  = Gtk::manage( new Gtk::Button () );
    zoomOutButton->set_image (*Gtk::manage(new RTImage ("gtk-zoom-out.png")));
    zoomOutButton->signal_pressed().connect (sigc::mem_fun(*this, &FileCatalog::zoomOut));
    zoomOutButton->set_relief (Gtk::RELIEF_NONE);
    zoomOutButton->set_tooltip_markup (M("FILEBROWSER_ZOOMOUTHINT"));
    zoomBox->pack_end (*zoomOutButton, Gtk::PACK_SHRINK);

    buttonBar->pack_start (*zoomBox, Gtk::PACK_SHRINK);
    buttonBar->pack_start (*Gtk::manage(new Gtk::VSeparator), Gtk::PACK_SHRINK);

    //iRightArrow = new RTImage("right.png");
    //iRightArrow_red = new RTImage("right_red.png");

    // if it IS a single row toolbar
    if (options.FileBrowserToolbarSingleRow) {
        buttonBar->pack_start (*hbToolBar1, Gtk::PACK_EXPAND_WIDGET, 0);
    }

    tbRightPanel_1 = new Gtk::ToggleButton ();
    iRightPanel_1_Show = new RTImage("panel-to-left.png");
    iRightPanel_1_Hide = new RTImage("panel-to-right.png");

    tbRightPanel_1->set_relief(Gtk::RELIEF_NONE);
    tbRightPanel_1->set_active (true);
    tbRightPanel_1->set_tooltip_markup (M("MAIN_TOOLTIP_SHOWHIDERP1"));
    tbRightPanel_1->set_image (*iRightPanel_1_Hide);
    tbRightPanel_1->signal_toggled().connect( sigc::mem_fun(*this, &FileCatalog::tbRightPanel_1_toggled) );
    buttonBar->pack_end (*tbRightPanel_1, Gtk::PACK_SHRINK);

    buttonBar->pack_end (*coarsePanel, Gtk::PACK_SHRINK);
    buttonBar->pack_end (*Gtk::manage(new Gtk::VSeparator), Gtk::PACK_SHRINK, 4);
    buttonBar->pack_end (*toolBar, Gtk::PACK_SHRINK);
    buttonBar->pack_end (*Gtk::manage(new Gtk::VSeparator), Gtk::PACK_SHRINK, 4);

    // add default panel
    hBox = Gtk::manage( new Gtk::HBox () );
    hBox->show ();
    hBox->pack_end (*fileBrowser);
    hBox->set_name ("FilmstripPanel");
    fileBrowser->applyFilter (getFilter()); // warning: can call this only after all objects used in getFilter (e.g. Query) are instantiated
    //printf("FileCatalog::FileCatalog  fileBrowser->applyFilter (getFilter())\n");
    pack_start (*hBox);

    enabled = true;

    lastScrollPos = 0;

    for (int i = 0; i < 18; i++) {
        hScrollPos[i] = 0;
        vScrollPos[i] = 0;
    }

    selectedDirectory = "";
#ifdef WIN32
    wdMonitor = NULL;
#endif
}

FileCatalog::~FileCatalog()
{
    idle_register.destroy();

    for (int i = 0; i < 5; i++) {
        delete iranked[i];
        delete igranked[i];
        delete iCLabeled[i];
        delete igCLabeled[i];
    }

    for (int i = 0; i < 2; i++) {
        delete iEdited[i];
        delete igEdited[i];
        delete iRecentlySaved[i];
        delete igRecentlySaved[i];
    }

    delete iFilterClear;
    delete igFilterClear;
    delete iUnRanked;
    delete igUnRanked;
    delete iUnCLabeled;
    delete igUnCLabeled;
    delete iTrashEmpty;
    delete iTrashFull;
    delete iNotTrash;
    delete iOriginal;
    delete iRefreshWhite;
    delete iRefreshRed;
    delete iQueryClear;
    delete iLeftPanel_1_Show;
    delete iLeftPanel_1_Hide;
    delete iRightPanel_1_Show;
    delete iRightPanel_1_Hide;
}

bool FileCatalog::capture_event(GdkEventButton* event)
{
    // need to record modifiers on the button press, because signal_toggled does not pass the event.
    modifierKey = event->state;
    return false;
}

void FileCatalog::exifInfoButtonToggled()
{
    if (inTabMode) {
        options.filmStripShowFileNames =  exifInfo->get_active();
    } else {
        options.showFileNames =  exifInfo->get_active();
    }

    fileBrowser->refreshThumbImages ();
}

void FileCatalog::on_realize()
{

    Gtk::VBox::on_realize();
    Pango::FontDescription fontd = get_pango_context()->get_font_description ();
    fileBrowser->get_pango_context()->set_font_description (fontd);
//    batchQueue->get_pango_context()->set_font_description (fontd);
}

void FileCatalog::closeDir ()
{

    if (filterPanel) {
        filterPanel->set_sensitive (false);
    }

    if (exportPanel) {
        exportPanel->set_sensitive (false);
    }

#ifndef WIN32

    if (dirMonitor) {
        dirMonitor->cancel ();
    }

#else

    if (wdMonitor) {
        delete wdMonitor;
        wdMonitor = NULL;
    }

#endif

    // ignore old requests
    ++selectedDirectoryId;

    // terminate thumbnail preview loading
    previewLoader->removeAllJobs ();

    // terminate thumbnail updater
    thumbImageUpdater->removeAllJobs ();

    // remove entries
    selectedDirectory = "";
    fileBrowser->close ();
    fileNameList.clear ();

    {
        MyMutex::MyLock lock(dirEFSMutex);
        dirEFS.clear ();
    }
    hasValidCurrentEFS = false;
    redrawAll ();
}

std::vector<Glib::ustring> FileCatalog::getFileList ()
{
    std::vector<Glib::ustring> names;

    std::set<Glib::ustring> extensions;
    for (const auto& parsedExt : options.parsedExtensions) {
        extensions.emplace (parsedExt.lowercase ());
    }

    try {

        auto dir = Gio::File::create_for_path (selectedDirectory);

        auto enumerator = dir->enumerate_children ("standard::name");

        while (auto file = enumerator->next_file ()) {

            const Glib::ustring fname = file->get_name ();

            auto lastdot = fname.find_last_of ('.');
            if (lastdot >= fname.length () - 1) {
                continue;
            }

            const auto fext = fname.substr (lastdot + 1).lowercase ();
            if (extensions.count (fext) == 0) {
                continue;
            }

            names.emplace_back (Glib::build_filename (selectedDirectory, fname));
        }

    } catch (Glib::Exception& exception) {

        if (options.rtSettings.verbose) {
            std::cerr << "Failed to list directory \"" << selectedDirectory << "\": " << exception.what() << std::endl;
        }

    }

    return names;
}

void FileCatalog::dirSelected (const Glib::ustring& dirname, const Glib::ustring& openfile)
{

    try {
        Glib::RefPtr<Gio::File> dir = Gio::File::create_for_path (dirname);

        if (!dir) {
            return;
        }

        closeDir ();
        previewsToLoad = 0;
        previewsLoaded = 0;

        // if openfile exists, we have to open it first (it is a command line argument)
        if (!openfile.empty()) {
            addAndOpenFile (openfile);
        }

        selectedDirectory = dir->get_parse_name();
        //printf("FileCatalog::dirSelected  selectedDirectory = %s\n",selectedDirectory.c_str());
        BrowsePath->set_text (selectedDirectory);
        buttonBrowsePath->set_image (*iRefreshWhite);
        fileNameList = getFileList ();

        for (unsigned int i = 0; i < fileNameList.size(); i++) {
            Glib::RefPtr<Gio::File> f = Gio::File::create_for_path(fileNameList[i]);

            if (f->get_parse_name() != openfile) { // if we opened a file at the beginning don't add it again
                checkAndAddFile (f);
            }
        }

        _refreshProgressBar ();

        if (previewsToLoad == 0) {
            filepanel->loadingThumbs(M("PROGRESSBAR_NOIMAGES"), 0);
        } else {
            filepanel->loadingThumbs(M("PROGRESSBAR_LOADINGTHUMBS"), 0);
        }

#ifdef WIN32
        wdMonitor = new WinDirMonitor (selectedDirectory, this);
#else
        dirMonitor = dir->monitor_directory ();
        dirMonitor->signal_changed().connect (sigc::bind(sigc::mem_fun(*this, &FileCatalog::on_dir_changed), false));
#endif
    } catch (Glib::Exception& ex) {
        std::cout << ex.what();
    }
}

void FileCatalog::enableTabMode(bool enable)
{
    inTabMode = enable;

    if (enable) {
        if (options.showFilmStripToolBar) {
            showToolBar();
        } else {
            hideToolBar();
        }

        exifInfo->set_active( options.filmStripShowFileNames );

    } else {
        buttonBar->show();
        hbToolBar1->show();
        exifInfo->set_active( options.showFileNames );
    }

    fileBrowser->enableTabMode(inTabMode);

    redrawAll();
}

void FileCatalog::_refreshProgressBar ()
{
    // In tab mode, no progress bar at all
    // Also mention that this progress bar only measures the FIRST pass (quick thumbnails)
    // The second, usually longer pass is done multithreaded down in the single entries and is NOT measured by this
    if (!inTabMode) {
        GThreadLock lock; // All GUI acces from idle_add callbacks or separate thread HAVE to be protected

        Gtk::Notebook *nb = (Gtk::Notebook *)(filepanel->get_parent());
        Gtk::Grid* grid = Gtk::manage (new Gtk::Grid ());
        Gtk::Label *label = nullptr;

        if (!previewsToLoad ) {
            grid->attach_next_to(*Gtk::manage (new RTImage ("gtk-directory.png")), options.mainNBVertical ? Gtk::POS_TOP : Gtk::POS_RIGHT, 1, 1);
            int filteredCount = min(fileBrowser->getNumFiltered(), previewsLoaded);

            label = Gtk::manage (new Gtk::Label (M("MAIN_FRAME_FILEBROWSER") +
                                                 (filteredCount != previewsLoaded ? " [" + Glib::ustring::format(filteredCount) + "/" : " (")
                                                 + Glib::ustring::format(previewsLoaded) +
                                                 (filteredCount != previewsLoaded ? "]" : ")")));
        } else {
            grid->attach_next_to(*Gtk::manage (new RTImage ("gtk-find.png")), options.mainNBVertical ? Gtk::POS_TOP : Gtk::POS_RIGHT, 1, 1);
            label = Gtk::manage (new Gtk::Label (M("MAIN_FRAME_FILEBROWSER") + " [" + Glib::ustring::format(std::fixed, std::setprecision(0), std::setw(3), (double)previewsLoaded / previewsToLoad * 100 ) + "%]" ));
            filepanel->loadingThumbs("", (double)previewsLoaded / previewsToLoad);
        }

        if( options.mainNBVertical ) {
            label->set_angle(90);
        }

        grid->attach_next_to(*label, options.mainNBVertical ? Gtk::POS_TOP : Gtk::POS_RIGHT, 1, 1);
        grid->set_tooltip_markup (M("MAIN_FRAME_FILEBROWSER_TOOLTIP"));
        grid->show_all ();

        if (nb) {
            nb->set_tab_label(*filepanel, *grid);
        }
    }
}

void FileCatalog::filterApplied()
{
    const auto func = [](gpointer data) -> gboolean {
        static_cast<FileCatalog*>(data)->_refreshProgressBar();

        return FALSE;
    };

    idle_register.add(func, this);
}


void FileCatalog::previewReady (int dir_id, FileBrowserEntry* fdn)
{

    if ( dir_id != selectedDirectoryId ) {
        return;
    }

    // put it into the "full directory" browser
    fdn->setImageAreaToolListener (iatlistener);
    fileBrowser->addEntry (fdn);

    // update exif filter settings (minimal & maximal values of exif tags, cameras, lenses, etc...)
    const CacheImageData* cfs = fdn->thumbnail->getCacheImageData();

    {
        MyMutex::MyLock lock(dirEFSMutex);

        if (cfs->exifValid) {
            if (cfs->fnumber < dirEFS.fnumberFrom) {
                dirEFS.fnumberFrom = cfs->fnumber;
            }

            if (cfs->fnumber > dirEFS.fnumberTo) {
                dirEFS.fnumberTo = cfs->fnumber;
            }

            if (cfs->shutter < dirEFS.shutterFrom) {
                dirEFS.shutterFrom = cfs->shutter;
            }

            if (cfs->shutter > dirEFS.shutterTo) {
                dirEFS.shutterTo = cfs->shutter;
            }

            if (cfs->iso > 0 && cfs->iso < dirEFS.isoFrom) {
                dirEFS.isoFrom = cfs->iso;
            }

            if (cfs->iso > 0 && cfs->iso > dirEFS.isoTo) {
                dirEFS.isoTo = cfs->iso;
            }

            if (cfs->focalLen < dirEFS.focalFrom) {
                dirEFS.focalFrom = cfs->focalLen;
            }

            if (cfs->focalLen > dirEFS.focalTo) {
                dirEFS.focalTo = cfs->focalLen;
            }
        }

        dirEFS.filetypes.insert (cfs->filetype);
        dirEFS.cameras.insert (cfs->getCamera());
        dirEFS.lenses.insert (cfs->lens);
        dirEFS.expcomp.insert (cfs->expcomp);
    }

    previewsLoaded++;

    _refreshProgressBar();
}

// Called within GTK UI thread
void FileCatalog::previewsFinishedUI ()
{

    {
        GThreadLock lock; // All GUI acces from idle_add callbacks or separate thread HAVE to be protected
        redrawAll ();
        previewsToLoad = 0;

        if (filterPanel) {
            filterPanel->set_sensitive (true);

            if ( !hasValidCurrentEFS ) {
                MyMutex::MyLock lock(dirEFSMutex);
                currentEFS = dirEFS;
                filterPanel->setFilter ( dirEFS, true );
            } else {
                filterPanel->setFilter ( currentEFS, false );
            }
        }

        if (exportPanel) {
            exportPanel->set_sensitive (true);
        }

        // restart anything that might have been loaded low quality
        fileBrowser->refreshQuickThumbImages();
        fileBrowser->applyFilter (getFilter());  // refresh total image count
        _refreshProgressBar();
    }
    filepanel->loadingThumbs(M("PROGRESSBAR_READY"), 0);

    if (!imageToSelect_fname.empty()) {
        fileBrowser->selectImage(imageToSelect_fname);
        imageToSelect_fname = "";
    }

    if (!refImageForOpen_fname.empty() && actionNextPrevious != NAV_NONE) {
        fileBrowser->openNextPreviousEditorImage(refImageForOpen_fname, actionNextPrevious);
        refImageForOpen_fname = "";
        actionNextPrevious = NAV_NONE;
    }
}

void FileCatalog::previewsFinished (int dir_id)
{

    if ( dir_id != selectedDirectoryId ) {
        return;
    }

    if (!hasValidCurrentEFS) {
        MyMutex::MyLock lock(dirEFSMutex);
        currentEFS = dirEFS;
    }

    const auto func = [](gpointer data) -> gboolean {
        static_cast<FileCatalog*>(data)->previewsFinishedUI();

        return FALSE;
    };

    idle_register.add(func, this);
}

void FileCatalog::setEnabled (bool e)
{
    enabled = e;
}

void FileCatalog::redrawAll ()
{
    fileBrowser->queue_draw ();
}

void FileCatalog::refreshThumbImages ()
{
    fileBrowser->refreshThumbImages ();
}

void FileCatalog::refreshHeight ()
{
    int newHeight = fileBrowser->getEffectiveHeight();

    if (newHeight < 5) {  // This may occure if there's no thumbnail.
        int w, h;
        get_size_request(w, h);
        newHeight = h;
    }

    if (hbToolBar1->is_visible() && !options.FileBrowserToolbarSingleRow) {
        newHeight += hbToolBar1->get_height();
    }

    if (buttonBar->is_visible()) {
        newHeight += buttonBar->get_height();
    }

    set_size_request(0, newHeight + 2); // HOMBRE: yeah, +2, there's always 2 pixels missing... sorry for this dirty hack O:)
}

void FileCatalog::_openImage (std::vector<Thumbnail*> tmb)
{

    if (enabled && listener != nullptr) {
        bool continueToLoad = true;

        for (size_t i = 0; i < tmb.size() && continueToLoad; i++) {
            // Open the image here, and stop if in Single Editor mode, or if an image couldn't
            // be opened, would it be because the file doesn't exist or because of lack of RAM
            if( !(listener->fileSelected (tmb[i])) && !options.tabbedUI ) {
                continueToLoad = false;
            }

            tmb[i]->decreaseRef ();
        }
    }
}

struct FCOIParams {
    FileCatalog* catalog;
    std::vector<Thumbnail*> tmb;
};

int openRequestedUI (void* p)
{
    FCOIParams* params = static_cast<FCOIParams*>(p);
    params->catalog->_openImage (params->tmb);
    delete params;

    return 0;
}

void FileCatalog::openRequested  (std::vector<Thumbnail*> tmb)
{

    FCOIParams* params = new FCOIParams;
    params->catalog = this;
    params->tmb = tmb;

    for (size_t i = 0; i < tmb.size(); i++) {
        tmb[i]->increaseRef ();
    }

    idle_register.add(openRequestedUI, params);
}

void FileCatalog::deleteRequested  (std::vector<FileBrowserEntry*> tbe, bool inclBatchProcessed)
{

    if (tbe.empty()) {
        return;
    }

    Gtk::MessageDialog msd (M("FILEBROWSER_DELETEDLGLABEL"), true, Gtk::MESSAGE_QUESTION, Gtk::BUTTONS_YES_NO, true);
    msd.set_secondary_text(Glib::ustring::compose ( inclBatchProcessed ? M("FILEBROWSER_DELETEDLGMSGINCLPROC") : M("FILEBROWSER_DELETEDLGMSG"), tbe.size()), true);

    if (msd.run() == Gtk::RESPONSE_YES) {
        for (unsigned int i = 0; i < tbe.size(); i++) {
            const auto fname = tbe[i]->filename;
            // remove from browser
            delete fileBrowser->delEntry (fname);
            // remove from cache
            cacheMgr->deleteEntry (fname);
            // delete from file system
            ::g_remove (fname.c_str ());
            // delete paramfile if found
            ::g_remove ((fname + paramFileExtension).c_str ());
            ::g_remove ((removeExtension(fname) + paramFileExtension).c_str ());
            // delete .thm file
            ::g_remove ((removeExtension(fname) + ".thm").c_str ());
            ::g_remove ((removeExtension(fname) + ".THM").c_str ());

            if (inclBatchProcessed) {
                Glib::ustring procfName = Glib::ustring::compose ("%1.%2", BatchQueue::calcAutoFileNameBase(fname), options.saveFormatBatch.format);
                ::g_remove (procfName.c_str ());

                Glib::ustring procfNameParamFile = Glib::ustring::compose ("%1.%2.out%3", BatchQueue::calcAutoFileNameBase(fname), options.saveFormatBatch.format, paramFileExtension);
                ::g_remove (procfNameParamFile.c_str ());
            }

            previewsLoaded--;
        }

        _refreshProgressBar();
        redrawAll ();
    }
}


void FileCatalog::copyMoveRequested  (std::vector<FileBrowserEntry*> tbe, bool moveRequested)
{

    if (tbe.empty()) {
        return;
    }


    Glib::ustring fc_title;

    if (moveRequested) {
        fc_title = M("FILEBROWSER_POPUPMOVETO");
    } else {
        fc_title = M("FILEBROWSER_POPUPCOPYTO");
    }

    Gtk::FileChooserDialog fc (getToplevelWindow (this), fc_title, Gtk::FILE_CHOOSER_ACTION_SELECT_FOLDER );
    fc.add_button( M("GENERAL_CANCEL"), Gtk::RESPONSE_CANCEL);
    fc.add_button( M("GENERAL_OK"), Gtk::RESPONSE_OK);
    // open dialog at the 1-st file's path
    fc.set_filename(tbe[0]->filename);
    //!!! TODO prevent dialog closing on "enter" key press

    if( fc.run() == Gtk::RESPONSE_OK ) {
        Glib::ustring dest_Dir = fc.get_current_folder();

        // iterate through selected files
        for (unsigned int i = 0; i < tbe.size(); i++) {
            Glib::ustring src_fPath = tbe[i]->filename;
            Glib::ustring src_Dir = Glib::path_get_dirname(src_fPath);
            Glib::RefPtr<Gio::File> src_file = Gio::File::create_for_path ( src_fPath );

            if( !src_file ) {
                continue;    // if file is missing - skip it
            }

            Glib::ustring fname = src_file->get_basename();
            Glib::ustring fname_noExt = removeExtension(fname);
            Glib::ustring fname_Ext = getExtension(fname);

            // construct  destination File Paths
            Glib::ustring dest_fPath = Glib::build_filename (dest_Dir, fname);
            Glib::ustring dest_fPath_param = dest_fPath + paramFileExtension;

            if (moveRequested && (src_Dir == dest_Dir)) {
                continue;
            }

            /* comparison of src_Dir and dest_Dir is done per image for compatibility with
            possible future use of Collections as source where each file's source path may be different.*/

            bool filecopymovecomplete = false;
            int i_copyindex = 1;

            while(!filecopymovecomplete) {
                // check for filename conflicts at destination - prevent overwriting (actually RT will crash on overwriting attempt)
                if (!Glib::file_test(dest_fPath, Glib::FILE_TEST_EXISTS) && !Glib::file_test(dest_fPath_param, Glib::FILE_TEST_EXISTS)) {
                    // copy/move file to destination
                    Glib::RefPtr<Gio::File> dest_file = Gio::File::create_for_path ( dest_fPath );

                    if (moveRequested) {
                        // move file
                        src_file->move(dest_file);
                        // re-attach cache files
                        cacheMgr->renameEntry (src_fPath, tbe[i]->thumbnail->getMD5(), dest_fPath);
                        // remove from browser
                        fileBrowser->delEntry (src_fPath);

                        previewsLoaded--;
                    } else {
                        src_file->copy(dest_file);
                    }


                    // attempt to copy/move paramFile only if it exist next to the src
                    Glib::RefPtr<Gio::File> scr_param = Gio::File::create_for_path (  src_fPath + paramFileExtension );

                    if (Glib::file_test( src_fPath + paramFileExtension, Glib::FILE_TEST_EXISTS)) {
                        Glib::RefPtr<Gio::File> dest_param = Gio::File::create_for_path ( dest_fPath_param);

                        // copy/move paramFile to destination
                        if (moveRequested) {
                            if (Glib::file_test( dest_fPath + paramFileExtension, Glib::FILE_TEST_EXISTS)) {
                                // profile already got copied to destination from cache after cacheMgr->renameEntry
                                // delete source profile as cleanup
                                ::g_remove ((src_fPath + paramFileExtension).c_str ());
                            } else {
                                scr_param->move(dest_param);
                            }
                        } else {
                            scr_param->copy(dest_param);
                        }
                    }

                    filecopymovecomplete = true;
                } else {
                    // adjust destination fname to avoid conflicts (append "_<index>", preserve extension)
                    Glib::ustring dest_fname = Glib::ustring::compose("%1%2%3%4%5", fname_noExt, "_", i_copyindex, ".", fname_Ext);
                    // re-construct  destination File Paths
                    dest_fPath = Glib::build_filename (dest_Dir, dest_fname);
                    dest_fPath_param = dest_fPath + paramFileExtension;
                    i_copyindex++;
                }
            }//while
        } // i<tbe.size() loop

        redrawAll ();

        _refreshProgressBar();
    } // Gtk::RESPONSE_OK
}
void FileCatalog::developRequested (std::vector<FileBrowserEntry*> tbe, bool fastmode)
{

    if (listener) {
        std::vector<BatchQueueEntry*> entries;

        // TODO: (HOMBRE) should we still use parallelization here, now that thumbnails are processed asynchronously...?
        //#pragma omp parallel for ordered
        for (size_t i = 0; i < tbe.size(); i++) {
            FileBrowserEntry* fbe = tbe[i];
            Thumbnail* th = fbe->thumbnail;
            rtengine::procparams::ProcParams params = th->getProcParams();

            // if fast mode is selected, override (disable) params
            // controlling time and resource consuming tasks
            // and also those which effect is not pronounced after reducing the image size
            // TODO!!! could expose selections below via preferences
            if (fastmode) {
                if (!options.fastexport_use_fast_pipeline) {
                    if (options.fastexport_bypass_sharpening) {
                        params.sharpening.enabled = false;
                    }

                    if (options.fastexport_bypass_sharpenEdge) {
                        params.sharpenEdge.enabled = false;
                    }

                    if (options.fastexport_bypass_sharpenMicro) {
                        params.sharpenMicro.enabled = false;
                    }

                    //if (options.fastexport_bypass_lumaDenoise) params.lumaDenoise.enabled = false;
                    //if (options.fastexport_bypass_colorDenoise) params.colorDenoise.enabled = false;
                    if (options.fastexport_bypass_defringe) {
                        params.defringe.enabled = false;
                    }

                    if (options.fastexport_bypass_dirpyrDenoise) {
                        params.dirpyrDenoise.enabled = false;
                    }

                    if (options.fastexport_bypass_sh_hq) {
                        params.sh.hq = false;
                    }

                    if (options.fastexport_bypass_dirpyrequalizer) {
                        params.dirpyrequalizer.enabled = false;
                    }

                    if (options.fastexport_bypass_wavelet) {
                        params.wavelet.enabled = false;
                    }

                    //if (options.fastexport_bypass_raw_bayer_all_enhance) params.raw.bayersensor.all_enhance = false;
                    if (options.fastexport_bypass_raw_bayer_dcb_iterations) {
                        params.raw.bayersensor.dcb_iterations = 0;
                    }

                    if (options.fastexport_bypass_raw_bayer_dcb_enhance) {
                        params.raw.bayersensor.dcb_enhance = false;
                    }

                    if (options.fastexport_bypass_raw_bayer_lmmse_iterations) {
                        params.raw.bayersensor.lmmse_iterations = 0;
                    }

                    if (options.fastexport_bypass_raw_bayer_linenoise) {
                        params.raw.bayersensor.linenoise = 0;
                    }

                    if (options.fastexport_bypass_raw_bayer_greenthresh) {
                        params.raw.bayersensor.greenthresh = 0;
                    }

                    if (options.fastexport_bypass_raw_ccSteps) {
                        params.raw.bayersensor.ccSteps = params.raw.xtranssensor.ccSteps = 0;
                    }

                    if (options.fastexport_bypass_raw_ca) {
                        params.raw.ca_autocorrect = false;
                        params.raw.cared = 0;
                        params.raw.cablue = 0;
                    }

                    if (options.fastexport_bypass_raw_df) {
                        params.raw.df_autoselect = false;
                        params.raw.dark_frame = "";
                    }

                    if (options.fastexport_bypass_raw_ff) {
                        params.raw.ff_AutoSelect = false;
                        params.raw.ff_file = "";
                    }

                    params.raw.bayersensor.method = options.fastexport_raw_bayer_method;
                    params.raw.xtranssensor.method = options.fastexport_raw_xtrans_method;
                    params.icm.input = options.fastexport_icm_input;
                    params.icm.working = options.fastexport_icm_working;
                    params.icm.output = options.fastexport_icm_output;
                    params.icm.outputIntent = options.fastexport_icm_outputIntent;
                    params.icm.outputBPC = options.fastexport_icm_outputBPC;
                    params.icm.gamma = options.fastexport_icm_gamma;
                }

                if (params.resize.enabled) {
                    params.resize.width = rtengine::min(params.resize.width, options.fastexport_resize_width);
                    params.resize.height = rtengine::min(params.resize.height, options.fastexport_resize_height);
                } else {
                    params.resize.width = options.fastexport_resize_width;
                    params.resize.height = options.fastexport_resize_height;
                }
                
                params.resize.enabled = options.fastexport_resize_enabled;
                params.resize.scale = options.fastexport_resize_scale;
                params.resize.appliesTo = options.fastexport_resize_appliesTo;
                params.resize.method = options.fastexport_resize_method;
                params.resize.dataspec = options.fastexport_resize_dataspec;
            }

            rtengine::ProcessingJob* pjob = rtengine::ProcessingJob::create (fbe->filename, th->getType() == FT_Raw, params, fastmode && options.fastexport_use_fast_pipeline);

            int pw;
            int ph = BatchQueue::calcMaxThumbnailHeight();
            th->getThumbnailSize (pw, ph);

            // processThumbImage is the processing intensive part, but adding to queue must be ordered
            //#pragma omp ordered
            //{
            BatchQueueEntry* bqh = new BatchQueueEntry (pjob, params, fbe->filename, pw, ph, th);
            entries.push_back(bqh);
            //}
        }

        listener->addBatchQueueJobs( entries );
    }
}

void FileCatalog::exportRequested ()
{

}

void FileCatalog::setExportPanel (ExportPanel* expanel)
{

    exportPanel = expanel;
    exportPanel->set_sensitive (false);
    exportPanel->setExportPanelListener (this);
    fileBrowser->setExportPanel(expanel);
}

void FileCatalog::renameRequested  (std::vector<FileBrowserEntry*> tbe)
{

    RenameDialog* renameDlg = new RenameDialog ((Gtk::Window*)get_toplevel());

    for (size_t i = 0; i < tbe.size(); i++) {
        renameDlg->initName (Glib::path_get_basename (tbe[i]->filename), tbe[i]->thumbnail->getCacheImageData());

        Glib::ustring ofname = tbe[i]->filename;
        Glib::ustring dirName = Glib::path_get_dirname (tbe[i]->filename);
        Glib::ustring baseName = Glib::path_get_basename (tbe[i]->filename);

        bool success = false;

        do {
            if (renameDlg->run () == Gtk::RESPONSE_OK) {
                Glib::ustring nBaseName = renameDlg->getNewName ();

                // if path has directory components, exit
                if (Glib::path_get_dirname (nBaseName) != ".") {
                    continue;
                }

                // if no extension is given, concatenate the extension of the original file
                Glib::ustring ext = getExtension (nBaseName);

                if (ext.empty()) {
                    nBaseName += "." + getExtension (baseName);
                }

                Glib::ustring nfname = Glib::build_filename (dirName, nBaseName);

                /* check if filename already exists*/
                if (Glib::file_test (nfname, Glib::FILE_TEST_EXISTS)) {
                    Glib::ustring msg_ = Glib::ustring("<b>") + nfname + ": " + M("MAIN_MSG_ALREADYEXISTS") + "</b>";
                    Gtk::MessageDialog msgd (msg_, true, Gtk::MESSAGE_ERROR, Gtk::BUTTONS_OK, true);
                    msgd.run ();
                } else {
                    success = true;

                    if (::g_rename (ofname.c_str (), nfname.c_str ()) == 0) {
                        cacheMgr->renameEntry (ofname, tbe[i]->thumbnail->getMD5(), nfname);
                        ::g_remove((ofname + paramFileExtension).c_str ());
                        reparseDirectory ();
                    }
                }
            } else {
                success = true;
            }
        } while (!success);

        renameDlg->hide ();
    }

    delete renameDlg;
}

void FileCatalog::clearFromCacheRequested  (std::vector<FileBrowserEntry*> tbe, bool leavenotrace)
{

    if (tbe.empty()) {
        return;
    }

    for (unsigned int i = 0; i < tbe.size(); i++) {
        Glib::ustring fname = tbe[i]->filename;
        // remove from cache
        cacheMgr->clearFromCache (fname, leavenotrace);
    }
}

void FileCatalog::categoryButtonToggled (Gtk::ToggleButton* b, bool isMouseClick)
{

    //was control key pressed
    bool control_down = modifierKey & GDK_CONTROL_MASK;

    //was shift key pressed
    bool shift_down   = modifierKey & GDK_SHIFT_MASK;

    // The event is process here, we can clear modifierKey now, it'll be set again on the next even
    modifierKey = 0;

    const int numCateg = sizeof(bCateg) / sizeof(bCateg[0]);
    const int numButtons = sizeof(categoryButtons) / sizeof(categoryButtons[0]);

    for (int i = 0; i < numCateg; i++) {
        bCateg[i].block (true);
    }

    // button already toggled when entering this function from a mouse click, so
    // we switch it back to its initial state.
    if (isMouseClick) {
        b->set_active(!b->get_active());
    }

    //if both control and shift keys were pressed, do nothing
    if (!(control_down && shift_down)) {

        fileBrowser->getScrollPosition (hScrollPos[lastScrollPos], vScrollPos[lastScrollPos]);

        //we look how many stars are already toggled on, if any
        int toggled_stars_count = 0, buttons = 0, start_star = 0, toggled_button = 0;

        for (int i = 0; i < numButtons; i++) {
            if (categoryButtons[i]->get_active()) {
                if (i > 0 && i < 17) {
                    toggled_stars_count ++;
                    start_star = i;
                }

                buttons |= (1 << i);
            }

            if (categoryButtons[i] == b) {
                toggled_button = i;
            }
        }

        // if no modifier key is pressed,
        if (!(control_down || shift_down)) {
            // if we're deselecting non-trashed or original
            if (toggled_button >= 18 && toggled_button <= 19 && (buttons & (1 << toggled_button))) {
                categoryButtons[0]->set_active (true);

                for (int i = 1; i < numButtons; i++) {
                    categoryButtons[i]->set_active (false);
                }
            }
            // if we're deselecting the only star still active
            else if (toggled_stars_count == 1 && (buttons & (1 << toggled_button))) {
                // activate clear-filters
                categoryButtons[0]->set_active (true);
                // deactivate the toggled filter
                categoryButtons[toggled_button]->set_active (false);
            }
            // if we're deselecting trash
            else if (toggled_button == 17 && (buttons & (1 << toggled_button))) {
                categoryButtons[0]->set_active (true);
                categoryButtons[17]->set_active (false);
            } else {
                // activate the toggled filter, deactivate the rest
                for (int i = 0; i < numButtons; i++) {
                    categoryButtons[i]->set_active (i == toggled_button);
                }
            }
        }
        //modifier key allowed only for stars and color labels...
        else if (toggled_button > 0 && toggled_button < 17) {
            if (control_down) {
                //control is pressed
                if (toggled_stars_count == 1 && (buttons & (1 << toggled_button))) {
                    //we're deselecting the only star still active, so we activate clear-filters
                    categoryButtons[0]->set_active(true);
                    //and we deselect the toggled star
                    categoryButtons[toggled_button]->set_active (false);
                } else if (toggled_stars_count >= 1) {
                    //we toggle the state of a star (eventually another one than the only one selected)
                    categoryButtons[toggled_button]->set_active(!categoryButtons[toggled_button]->get_active());
                } else {
                    //no star selected
                    //we deselect the 2 non star filters
                    if (buttons &  1    ) {
                        categoryButtons[0]->set_active(false);
                    }

                    if (buttons & (1 << 17)) {
                        categoryButtons[17]->set_active(false);
                    }

                    //and we toggle on the star
                    categoryButtons[toggled_button]->set_active (true);
                }
            } else {
                //shift is pressed, only allowed if 0 or 1 star & labels is selected
                if (!toggled_stars_count) {
                    //we deselect the 2 non star filters
                    if (buttons &  1      ) {
                        categoryButtons[0]->set_active(false);
                    }

                    if (buttons & (1 << 7)) {
                        categoryButtons[7]->set_active(false);
                    }

                    if (buttons & (1 << 13)) {
                        categoryButtons[13]->set_active(false);
                    }

                    if (buttons & (1 << 17)) {
                        categoryButtons[17]->set_active(false);
                    }

                    //and we set the start star to 1 (unrated images)
                    start_star = 1;
                    //we act as if one star were selected
                    toggled_stars_count = 1;
                }

                if (toggled_stars_count == 1) {
                    int current_star = min(start_star, toggled_button);
                    int last_star   = max(start_star, toggled_button);

                    //we permute the start and the end star for the next loop
                    for (; current_star <= last_star; current_star++) {
                        //we toggle on all the star in the range
                        if (!(buttons & (1 << current_star))) {
                            categoryButtons[current_star]->set_active(true);
                        }
                    }
                }

                //if more than one star & color label is selected, do nothing
            }
        }
        // ...or non-trashed or original with Control modifier
        else if (toggled_button >= 18 && toggled_button <= 19 && control_down) {
            Gtk::ToggleButton* categoryButton = categoryButtons[toggled_button];
            categoryButton->set_active (!categoryButton->get_active ());

            // If it was the first or last one, we reset the clear filter.
            if (buttons == 1 || buttons == (1 << toggled_button)) {
                bFilterClear->set_active (!categoryButton->get_active ());
            }
        }

        bool active_now, active_before;

        // FilterClear: set the right images
        // TODO: swapping FilterClear icon needs more work in categoryButtonToggled
        /*active_now = bFilterClear->get_active();
        active_before = buttons & (1 << (0)); // 0
        if      ( active_now && !active_before) bFilterClear->set_image (*iFilterClear);
        else if (!active_now &&  active_before) bFilterClear->set_image (*igFilterClear);*/

        // rank: set the right images
        for (int i = 0; i < 5; i++) {
            active_now = bRank[i]->get_active();
            active_before = buttons & (1 << (i + 2)); // 2,3,4,5,6

            if      ( active_now && !active_before) {
                bRank[i]->set_image (*iranked[i]);
            } else if (!active_now &&  active_before) {
                bRank[i]->set_image (*igranked[i]);
            }
        }

        active_now = bUnRanked->get_active();
        active_before = buttons & (1 << (1)); // 1

        if      ( active_now && !active_before) {
            bUnRanked->set_image (*iUnRanked);
        } else if (!active_now &&  active_before) {
            bUnRanked->set_image (*igUnRanked);
        }

        // color labels: set the right images
        for (int i = 0; i < 5; i++) {
            active_now = bCLabel[i]->get_active();
            active_before = buttons & (1 << (i + 8)); // 8,9,10,11,12

            if      ( active_now && !active_before) {
                bCLabel[i]->set_image (*iCLabeled[i]);
            } else if (!active_now &&  active_before) {
                bCLabel[i]->set_image (*igCLabeled[i]);
            }
        }

        active_now = bUnCLabeled->get_active();
        active_before = buttons & (1 << (7)); // 7

        if      ( active_now && !active_before) {
            bUnCLabeled->set_image (*iUnCLabeled);
        } else if (!active_now &&  active_before) {
            bUnCLabeled->set_image (*igUnCLabeled);
        }

        // Edited: set the right images
        for (int i = 0; i < 2; i++) {
            active_now = bEdited[i]->get_active();
            active_before = buttons & (1 << (i + 13)); //13,14

            if      ( active_now && !active_before) {
                bEdited[i]->set_image (*iEdited[i]);
            } else if (!active_now &&  active_before) {
                bEdited[i]->set_image (*igEdited[i]);
            }
        }

        // RecentlySaved: set the right images
        for (int i = 0; i < 2; i++) {
            active_now = bRecentlySaved[i]->get_active();
            active_before = buttons & (1 << (i + 15)); //15,16

            if      ( active_now && !active_before) {
                bRecentlySaved[i]->set_image (*iRecentlySaved[i]);
            } else if (!active_now &&  active_before) {
                bRecentlySaved[i]->set_image (*igRecentlySaved[i]);
            }
        }

        fileBrowser->applyFilter (getFilter ());
        _refreshProgressBar();

        //rearrange panels according to the selected filter
        removeIfThere (hBox, trashButtonBox);

        if (bTrash->get_active ()) {
            hBox->pack_start (*trashButtonBox, Gtk::PACK_SHRINK, 4);
        }

        hBox->queue_draw ();

        fileBrowser->setScrollPosition (hScrollPos[lastScrollPos], vScrollPos[lastScrollPos]);
    }

    for (int i = 0; i < numCateg; i++) {
        bCateg[i].block (false);
    }
}

BrowserFilter FileCatalog::getFilter ()
{

    BrowserFilter filter;

    bool anyRankFilterActive = bUnRanked->get_active () || bRank[0]->get_active () || bRank[1]->get_active () || bRank[2]->get_active () || bRank[3]->get_active () || bRank[4]->get_active ();
    bool anyCLabelFilterActive = bUnCLabeled->get_active () || bCLabel[0]->get_active () || bCLabel[1]->get_active () || bCLabel[2]->get_active () || bCLabel[3]->get_active () || bCLabel[4]->get_active ();
    bool anyEditedFilterActive = bEdited[0]->get_active() || bEdited[1]->get_active();
    bool anyRecentlySavedFilterActive = bRecentlySaved[0]->get_active() || bRecentlySaved[1]->get_active();
    const bool anySupplementaryActive = bNotTrash->get_active() || bOriginal->get_active();
    /*
     * filter is setup in 2 steps
     * Step 1: handle individual filters
    */
    filter.showRanked[0] = bFilterClear->get_active() || bUnRanked->get_active () || bTrash->get_active () || anySupplementaryActive ||
                           anyCLabelFilterActive || anyEditedFilterActive || anyRecentlySavedFilterActive;

    filter.showCLabeled[0] = bFilterClear->get_active() || bUnCLabeled->get_active () || bTrash->get_active ()  || anySupplementaryActive ||
                             anyRankFilterActive || anyEditedFilterActive || anyRecentlySavedFilterActive;

    for (int i = 1; i <= 5; i++) {
        filter.showRanked[i] = bFilterClear->get_active() || bRank[i - 1]->get_active () || bTrash->get_active () || anySupplementaryActive ||
                               anyCLabelFilterActive || anyEditedFilterActive || anyRecentlySavedFilterActive;

        filter.showCLabeled[i] = bFilterClear->get_active() || bCLabel[i - 1]->get_active () || bTrash->get_active ()  || anySupplementaryActive ||
                                 anyRankFilterActive || anyEditedFilterActive || anyRecentlySavedFilterActive;
    }

    for (int i = 0; i < 2; i++) {
        filter.showEdited[i] = bFilterClear->get_active() || bEdited[i]->get_active () || bTrash->get_active ()  || anySupplementaryActive ||
                               anyRankFilterActive || anyCLabelFilterActive || anyRecentlySavedFilterActive;

        filter.showRecentlySaved[i] = bFilterClear->get_active() || bRecentlySaved[i]->get_active () || bTrash->get_active ()  || anySupplementaryActive ||
                                      anyRankFilterActive || anyCLabelFilterActive || anyEditedFilterActive;
    }

    if( options.rtSettings.verbose ) {
        printf ("\n**************** FileCatalog::getFilter *** AFTER STEP 1 \n");

        for (int i = 0; i <= 5; i++) {
            printf ("filter.showRanked[%i] = %i\n", i, filter.showRanked[i]);
        }

        for (int i = 0; i <= 5; i++) {
            printf ("filter.showCLabeled[%i] = %i\n", i, filter.showCLabeled[i]);
        }

        for (int i = 0; i < 2; i++) {
            printf ("filter.showEdited[%i] = %i\n", i, filter.showEdited[i]);
        }

        for (int i = 0; i < 2; i++) {
            printf ("filter.showRecentlySaved[%i] = %i\n", i, filter.showRecentlySaved[i]);
        }
    }

    filter.multiselect = false;

    /*
     * Step 2
     * handle the case when more than 1 filter is selected. This overrides values set in Step
     * if no filters in a group are active, filter.show for each member of that group will be set to true
     * otherwise they are set based on UI input
     */
    if ((anyRankFilterActive && anyCLabelFilterActive ) ||
            (anyRankFilterActive && anyEditedFilterActive ) ||
            (anyRankFilterActive && anyRecentlySavedFilterActive ) ||
            (anyCLabelFilterActive && anyEditedFilterActive ) ||
            (anyCLabelFilterActive && anyRecentlySavedFilterActive ) ||
            (anyEditedFilterActive && anyRecentlySavedFilterActive) ||
            (anySupplementaryActive && (anyRankFilterActive || anyCLabelFilterActive || anyEditedFilterActive || anyRecentlySavedFilterActive))) {

        filter.multiselect = true;
        filter.showRanked[0] = anyRankFilterActive ? bUnRanked->get_active () : true;
        filter.showCLabeled[0] = anyCLabelFilterActive ? bUnCLabeled->get_active () : true;

        for (int i = 1; i <= 5; i++) {
            filter.showRanked[i] = anyRankFilterActive ? bRank[i - 1]->get_active () : true;
            filter.showCLabeled[i] = anyCLabelFilterActive ? bCLabel[i - 1]->get_active () : true;
        }

        for (int i = 0; i < 2; i++) {
            filter.showEdited[i] = anyEditedFilterActive ? bEdited[i]->get_active() : true;
            filter.showRecentlySaved[i] = anyRecentlySavedFilterActive ? bRecentlySaved[i]->get_active() : true;
        }

        if( options.rtSettings.verbose ) {
            printf ("\n**************** FileCatalog::getFilter *** AFTER STEP 2 \n");

            for (int i = 0; i <= 5; i++) {
                printf ("filter.showRanked[%i] = %i\n", i, filter.showRanked[i]);
            }

            for (int i = 0; i <= 5; i++) {
                printf ("filter.showCLabeled[%i] = %i\n", i, filter.showCLabeled[i]);
            }

            for (int i = 0; i < 2; i++) {
                printf ("filter.showEdited[%i] = %i\n", i, filter.showEdited[i]);
            }

            for (int i = 0; i < 2; i++) {
                printf ("filter.showRecentlySaved[%i] = %i\n", i, filter.showRecentlySaved[i]);
            }

            printf ("filter.multiselect = %i\n", filter.multiselect);
        }
    }


    filter.showTrash = bTrash->get_active () || !bNotTrash->get_active ();
    filter.showNotTrash = !bTrash->get_active ();
    filter.showOriginal = bOriginal->get_active();

    if (!filterPanel) {
        filter.exifFilterEnabled = false;
    } else {
        if (!hasValidCurrentEFS) {
            MyMutex::MyLock lock(dirEFSMutex);
            filter.exifFilter = dirEFS;
        } else {
            filter.exifFilter = currentEFS;
        }

        filter.exifFilterEnabled = filterPanel->isEnabled ();
    }

    //TODO add support for more query options. e.g by date, iso, f-number, etc
    //TODO could use date:<value>;iso:<value>  etc
    // default will be filename

    /* // this is for safe execution if getFilter is called before Query object is instantiated
    Glib::ustring tempQuery;
    tempQuery="";
    if (Query) tempQuery = Query->get_text();
    */
    filter.queryString = Query->get_text(); // full query string from Query Entry
    filter.queryFileName = Query->get_text(); // for now Query is only by file name

    return filter;
}

void FileCatalog::filterChanged ()
{
    //TODO !!! there is too many repetitive and unnecessary executions of
    // " fileBrowser->applyFilter (getFilter()); " throughout the code
    // this needs further analysis and cleanup
    fileBrowser->applyFilter (getFilter());
    _refreshProgressBar();
}

void FileCatalog::reparseDirectory ()
{

    if (selectedDirectory.empty()) {
        return;
    }

    if (!Glib::file_test (selectedDirectory, Glib::FILE_TEST_IS_DIR)) {
        closeDir ();
        return;
    }

    std::vector<Glib::ustring> nfileNameList = getFileList ();

    // check if a thumbnailed file has been deleted
    const std::vector<ThumbBrowserEntryBase*>& t = fileBrowser->getEntries ();
    std::vector<Glib::ustring> fileNamesToDel;

    for (size_t i = 0; i < t.size(); i++)
        if (!Glib::file_test (t[i]->filename, Glib::FILE_TEST_EXISTS)) {
            fileNamesToDel.push_back (t[i]->filename);
        }

    for (size_t i = 0; i < fileNamesToDel.size(); i++) {
        delete fileBrowser->delEntry (fileNamesToDel[i]);
        cacheMgr->deleteEntry (fileNamesToDel[i]);
        previewsLoaded--;
    }

    if (!fileNamesToDel.empty ()) {
        _refreshProgressBar();
    }

    // check if a new file has been added
    for (size_t i = 0; i < nfileNameList.size(); i++) {
        bool found = false;

        for (size_t j = 0; j < fileNameList.size(); j++)
            if (nfileNameList[i] == fileNameList[j]) {
                found = true;
                break;
            }

        if (!found) {
            checkAndAddFile (Gio::File::create_for_parse_name (nfileNameList[i]));
            _refreshProgressBar ();
        }
    }

    fileNameList = nfileNameList;
}

#ifdef WIN32

void FileCatalog::winDirChanged ()
{
    const auto func = [](gpointer data) -> gboolean {
        static_cast<FileCatalog*>(data)->reparseDirectory();

        return FALSE;
    };

    idle_register.add(func, this);
}

#else

void FileCatalog::on_dir_changed (const Glib::RefPtr<Gio::File>& file, const Glib::RefPtr<Gio::File>& other_file, Gio::FileMonitorEvent event_type, bool internal)
{

    if (options.has_retained_extention(file->get_parse_name())
            && (event_type == Gio::FILE_MONITOR_EVENT_CREATED || event_type == Gio::FILE_MONITOR_EVENT_DELETED || event_type == Gio::FILE_MONITOR_EVENT_CHANGED)) {
        if (!internal) {
            GThreadLock lock;
            reparseDirectory ();
        } else {
            reparseDirectory ();
        }
    }
}

#endif

void FileCatalog::checkAndAddFile (Glib::RefPtr<Gio::File> file)
{
    if (!file) {
        return;
    }

    if (!file->query_exists()) {
        return;
    }

    try {

        auto info = file->query_info ();

        if (!info || info->get_file_type () == Gio::FILE_TYPE_DIRECTORY) {
            return;
        }

        if (!options.fbShowHidden && info->is_hidden ()) {
            return;
        }

        Glib::ustring ext;

        const auto lastdot = info->get_name ().find_last_of ('.');
        if (lastdot != Glib::ustring::npos) {
            ext = info->get_name ().substr (lastdot + 1);
        }

        if (!options.is_extention_enabled (ext)) {
            return;
        }

        previewLoader->add (selectedDirectoryId, file->get_parse_name (), this);
        previewsToLoad++;

    } catch(Gio::Error&) {}
}

void FileCatalog::addAndOpenFile (const Glib::ustring& fname)
{
    auto file = Gio::File::create_for_path (fname);

    if (!file ) {
        return;
    }

    if (!file->query_exists ()) {
        return;
    }

    try {

        auto info = file->query_info ();

        if (!info) {
            return;
        }

        Glib::ustring ext;

        auto lastdot = info->get_name().find_last_of ('.');
        if (lastdot != Glib::ustring::npos) {
            ext = info->get_name ().substr (lastdot + 1);
        }

        if (!options.is_extention_enabled(ext)) {
            return;
        }

        // if supported, load thumbnail first
        const auto tmb = cacheMgr->getEntry (file->get_parse_name ());

        if (!tmb) {
            return;
        }

        FileBrowserEntry* entry = new FileBrowserEntry (tmb, file->get_parse_name ());
        previewReady (selectedDirectoryId, entry);
        // open the file
        FCOIParams* params = new FCOIParams;
        params->catalog = this;
        params->tmb.push_back (tmb);
        tmb->increaseRef ();
        idle_register.add(openRequestedUI, params);

    } catch(Gio::Error&) {}
}

void FileCatalog::emptyTrash ()
{

    const std::vector<ThumbBrowserEntryBase*> t = fileBrowser->getEntries ();
    std::vector<FileBrowserEntry*> toDel;

    for (size_t i = 0; i < t.size(); i++)
        if ((static_cast<FileBrowserEntry*>(t[i]))->thumbnail->getStage() == 1) {
            toDel.push_back (static_cast<FileBrowserEntry*>(t[i]));
        }

    deleteRequested (toDel, false);
    trashChanged();
}

bool FileCatalog::trashIsEmpty ()
{
    const std::vector<ThumbBrowserEntryBase*> t = fileBrowser->getEntries ();

    for (size_t i = 0; i < t.size(); i++)
        if ((static_cast<FileBrowserEntry*>(t[i]))->thumbnail->getStage() == 1) {
            return false;
        }

    return true;
}

void FileCatalog::zoomIn ()
{

    fileBrowser->zoomIn ();
    refreshHeight();

}
void FileCatalog::zoomOut ()
{

    fileBrowser->zoomOut ();
    refreshHeight();

}
void FileCatalog::refreshEditedState (const std::set<Glib::ustring>& efiles)
{

    editedFiles = efiles;
    fileBrowser->refreshEditedState (efiles);
}

void FileCatalog::selectionChanged (std::vector<Thumbnail*> tbe)
{

    if (fslistener) {
        fslistener->selectionChanged (tbe);
    }
}

// Called within GTK UI thread
void FileCatalog::exifFilterChanged ()
{

    currentEFS = filterPanel->getFilter ();
    hasValidCurrentEFS = true;
    fileBrowser->applyFilter (getFilter ());
    _refreshProgressBar();
}

void FileCatalog::setFilterPanel (FilterPanel* fpanel)
{

    filterPanel = fpanel;
    filterPanel->set_sensitive (false);
    filterPanel->setFilterPanelListener (this);
}
void FileCatalog::trashChanged ()
{
    if (trashIsEmpty()) {
        bTrash->set_image(*iTrashEmpty);
    } else {
        bTrash->set_image(*iTrashFull);
    }
}

// Called within GTK UI thread
void FileCatalog::buttonQueryClearPressed ()
{
    Query->set_text("");
    FileCatalog::executeQuery ();
}

// Called within GTK UI thread
void FileCatalog::executeQuery()
{
    // if BrowsePath text was changed, do a full browse;
    // otherwise filter only

    if (BrowsePath->get_text() != selectedDirectory) {
        buttonBrowsePathPressed ();
    } else {
        FileCatalog::filterChanged ();
    }
}

bool FileCatalog::Query_key_pressed (GdkEventKey *event)
{

    bool shift = event->state & GDK_SHIFT_MASK;

    switch (event->keyval) {
    case GDK_KEY_Escape:

        // Clear Query if the Escape character is pressed within it
        if (!shift) {
            FileCatalog::buttonQueryClearPressed ();
            return true;
        }

        break;

    default:
        break;
    }

    return false;
}

void FileCatalog::updateFBQueryTB (bool singleRow)
{
    hbToolBar1->reference();

    if (singleRow) {
        bool removed = removeIfThere(this, hbToolBar1, false);

        if (removed) {
            buttonBar->pack_start(*hbToolBar1, Gtk::PACK_EXPAND_WIDGET, 0);
        }
    } else {
        bool removed = removeIfThere(buttonBar, hbToolBar1, false);

        if (removed) {
            pack_start(*hbToolBar1, Gtk::PACK_SHRINK, 0);
            reorder_child(*hbToolBar1, 0);
        }
    }

    hbToolBar1->unreference();
}

void FileCatalog::updateFBToolBarVisibility (bool showFilmStripToolBar)
{
    if (showFilmStripToolBar) {
        showToolBar();
    } else {
        hideToolBar();
    }

    refreshHeight();
}

void FileCatalog::buttonBrowsePathPressed ()
{
    Glib::ustring BrowsePathValue = BrowsePath->get_text();
    Glib::ustring DecodedPathPrefix = "";
    Glib::ustring FirstChar;

    // handle shortcuts in the BrowsePath -- START
    // read the 1-st character from the path
    FirstChar = BrowsePathValue.substr (0, 1);

    if (FirstChar == "~") { // home directory
        DecodedPathPrefix = PlacesBrowser::userHomeDir ();
    } else if (FirstChar == "!") { // user's pictures directory
        DecodedPathPrefix = PlacesBrowser::userPicturesDir ();
    }

    if (!DecodedPathPrefix.empty()) {
        BrowsePathValue = Glib::ustring::compose ("%1%2", DecodedPathPrefix, BrowsePathValue.substr (1, BrowsePath->get_text_length() - 1));
        BrowsePath->set_text(BrowsePathValue);
    }

    // handle shortcuts in the BrowsePath -- END

    // validate the path
    if (Glib::file_test(BrowsePathValue, Glib::FILE_TEST_IS_DIR) && selectDir) {
        selectDir (BrowsePathValue);
    } else
        // error, likely path not found: show red arrow
    {
        buttonBrowsePath->set_image (*iRefreshRed);
    }
}

bool FileCatalog::BrowsePath_key_pressed (GdkEventKey *event)
{

    bool shift = event->state & GDK_SHIFT_MASK;

    switch (event->keyval) {
    case GDK_KEY_Escape:

        // On Escape character Reset BrowsePath to selectedDirectory
        if (!shift) {
            BrowsePath->set_text(selectedDirectory);
            // place cursor at the end
            BrowsePath->select_region(BrowsePath->get_text_length(), BrowsePath->get_text_length());
            return true;
        }

        break;

    default:
        break;
    }

    return false;
}

void FileCatalog::tbLeftPanel_1_visible (bool visible)
{
    if (visible) {
        tbLeftPanel_1->show();
        vSepiLeftPanel->show();
    } else {
        tbLeftPanel_1->hide();
        vSepiLeftPanel->hide();
    }
}
void FileCatalog::tbRightPanel_1_visible (bool visible)
{
    if (visible) {
        tbRightPanel_1->show();
    } else {
        tbRightPanel_1->hide();
    }
}
void FileCatalog::tbLeftPanel_1_toggled ()
{
    removeIfThere (filepanel->dirpaned, filepanel->placespaned, false);

    if (tbLeftPanel_1->get_active()) {
        filepanel->dirpaned->pack1 (*filepanel->placespaned, false, true);
        tbLeftPanel_1->set_image (*iLeftPanel_1_Hide);
        options.browserDirPanelOpened = true;
    } else {
        tbLeftPanel_1->set_image (*iLeftPanel_1_Show);
        options.browserDirPanelOpened = false;
    }
}

void FileCatalog::tbRightPanel_1_toggled ()
{
    if (tbRightPanel_1->get_active()) {
        filepanel->rightBox->show();
        tbRightPanel_1->set_image (*iRightPanel_1_Hide);
        options.browserToolPanelOpened = true;
    } else {
        filepanel->rightBox->hide();
        tbRightPanel_1->set_image (*iRightPanel_1_Show);
        options.browserToolPanelOpened = false;
    }
}

bool FileCatalog::CheckSidePanelsVisibility()
{
    return tbLeftPanel_1->get_active() || tbRightPanel_1->get_active();
}

void FileCatalog::toggleSidePanels()
{
    // toggle left AND right panels

    bool bAllSidePanelsVisible;
    bAllSidePanelsVisible = CheckSidePanelsVisibility();

    tbLeftPanel_1->set_active (!bAllSidePanelsVisible);
    tbRightPanel_1->set_active (!bAllSidePanelsVisible);
}

void FileCatalog::toggleLeftPanel()
{
    tbLeftPanel_1->set_active (!tbLeftPanel_1->get_active());
}

void FileCatalog::toggleRightPanel()
{
    tbRightPanel_1->set_active (!tbRightPanel_1->get_active());
}


void FileCatalog::selectImage (Glib::ustring fname, bool clearFilters)
{

    Glib::ustring dirname = Glib::path_get_dirname(fname);

    if (!dirname.empty()) {
        BrowsePath->set_text(dirname);


        if (clearFilters) { // clear all filters
            Query->set_text("");
            categoryButtonToggled(bFilterClear, false);

            // disable exif filters
            if (filterPanel->isEnabled()) {
                filterPanel->setEnabled (false);
            }
        }

        if (BrowsePath->get_text() != selectedDirectory) {
            // reload or refresh thumbs and select image
            buttonBrowsePathPressed ();
            // the actual selection of image will be handled asynchronously at the end of FileCatalog::previewsFinishedUI
            imageToSelect_fname = fname;
        } else {
            // FileCatalog::filterChanged ();//this will be replaced by queue_draw() in fileBrowser->selectImage
            fileBrowser->selectImage(fname);
            imageToSelect_fname = "";
        }
    }
}


void FileCatalog::openNextPreviousEditorImage (Glib::ustring fname, bool clearFilters, eRTNav nextPrevious)
{

    Glib::ustring dirname = Glib::path_get_dirname(fname);

    if (!dirname.empty()) {
        BrowsePath->set_text(dirname);


        if (clearFilters) { // clear all filters
            Query->set_text("");
            categoryButtonToggled(bFilterClear, false);

            // disable exif filters
            if (filterPanel->isEnabled()) {
                filterPanel->setEnabled (false);
            }
        }

        if (BrowsePath->get_text() != selectedDirectory) {
            // reload or refresh thumbs and select image
            buttonBrowsePathPressed ();
            // the actual selection of image will be handled asynchronously at the end of FileCatalog::previewsFinishedUI
            refImageForOpen_fname = fname;
            actionNextPrevious = nextPrevious;
        } else {
            // FileCatalog::filterChanged ();//this was replace by queue_draw() in fileBrowser->selectImage
            fileBrowser->openNextPreviousEditorImage(fname, nextPrevious);
            refImageForOpen_fname = "";
            actionNextPrevious = NAV_NONE;
        }
    }
}

bool FileCatalog::handleShortcutKey (GdkEventKey* event)
{

    bool ctrl = event->state & GDK_CONTROL_MASK;
    bool shift = event->state & GDK_SHIFT_MASK;
    bool alt = event->state & GDK_MOD1_MASK;
#ifdef __WIN32__
    bool altgr = event->state & GDK_MOD2_MASK;
#else
    bool altgr = event->state & GDK_MOD5_MASK;
#endif
    modifierKey = event->state;

    // GUI Layout
    switch(event->keyval) {
    case GDK_KEY_l:
        if (!alt) {
            tbLeftPanel_1->set_active (!tbLeftPanel_1->get_active());    // toggle left panel
        }

        if (alt && !ctrl) {
            tbRightPanel_1->set_active (!tbRightPanel_1->get_active());    // toggle right panel
        }

        if (alt && ctrl) {
            tbLeftPanel_1->set_active (!tbLeftPanel_1->get_active()); // toggle left panel
            tbRightPanel_1->set_active (!tbRightPanel_1->get_active()); // toggle right panel
        }

        return true;

    case GDK_KEY_m:
        if (!ctrl && !alt) {
            toggleSidePanels();
        }

        return true;
    }

    if (shift) {
        switch(event->keyval) {
        case GDK_KEY_Escape:
            BrowsePath->set_text(selectedDirectory);
            // set focus on something neutral, this is useful to remove focus from BrowsePath and Query
            // when need to execute a shortcut, which otherwise will be typed into those fields
            filepanel->grab_focus();
            return true;
        }
    }

#ifdef __WIN32__

    if (!alt && !shift && !altgr) { // shift is reserved for ranking
        switch(event->hardware_keycode) {
        case 0x30:
            categoryButtonToggled(bUnRanked, false);
            return true;

        case 0x31:
            categoryButtonToggled(bRank[0], false);
            return true;

        case 0x32:
            categoryButtonToggled(bRank[1], false);
            return true;

        case 0x33:
            categoryButtonToggled(bRank[2], false);
            return true;

        case 0x34:
            categoryButtonToggled(bRank[3], false);
            return true;

        case 0x35:
            categoryButtonToggled(bRank[4], false);
            return true;

        case 0x36:
            categoryButtonToggled(bEdited[0], false);
            return true;

        case 0x37:
            categoryButtonToggled(bEdited[1], false);
            return true;
        }
    }

    if (!alt && !shift) {
        switch(event->keyval) {

        case GDK_KEY_Return:
        case GDK_KEY_KP_Enter:
            if (BrowsePath->is_focus()) {
                FileCatalog::buttonBrowsePathPressed ();
                return true;
            }

            break;
        }
    }

    if (alt && !shift) { // shift is reserved for color labeling
        switch(event->hardware_keycode) {
        case 0x30:
            categoryButtonToggled(bUnCLabeled, false);
            return true;

        case 0x31:
            categoryButtonToggled(bCLabel[0], false);
            return true;

        case 0x32:
            categoryButtonToggled(bCLabel[1], false);
            return true;

        case 0x33:
            categoryButtonToggled(bCLabel[2], false);
            return true;

        case 0x34:
            categoryButtonToggled(bCLabel[3], false);
            return true;

        case 0x35:
            categoryButtonToggled(bCLabel[4], false);
            return true;

        case 0x36:
            categoryButtonToggled(bRecentlySaved[0], false);
            return true;

        case 0x37:
            categoryButtonToggled(bRecentlySaved[1], false);
            return true;
        }
    }

#else

    if (!alt && !shift && !altgr) { // shift is reserved for ranking
        switch(event->hardware_keycode) {
        case 0x13:
            categoryButtonToggled(bUnRanked, false);
            return true;

        case 0x0a:
            categoryButtonToggled(bRank[0], false);
            return true;

        case 0x0b:
            categoryButtonToggled(bRank[1], false);
            return true;

        case 0x0c:
            categoryButtonToggled(bRank[2], false);
            return true;

        case 0x0d:
            categoryButtonToggled(bRank[3], false);
            return true;

        case 0x0e:
            categoryButtonToggled(bRank[4], false);
            return true;

        case 0x0f:
            categoryButtonToggled(bEdited[0], false);
            return true;

        case 0x10:
            categoryButtonToggled(bEdited[1], false);
            return true;
        }
    }

    if (!alt && !shift) {
        switch(event->keyval) {

        case GDK_KEY_Return:
        case GDK_KEY_KP_Enter:
            if (BrowsePath->is_focus()) {
                FileCatalog::buttonBrowsePathPressed ();
                return true;
            }

            break;
        }
    }

    if (alt && !shift) { // shift is reserved for color labeling
        switch(event->hardware_keycode) {
        case 0x13:
            categoryButtonToggled(bUnCLabeled, false);
            return true;

        case 0x0a:
            categoryButtonToggled(bCLabel[0], false);
            return true;

        case 0x0b:
            categoryButtonToggled(bCLabel[1], false);
            return true;

        case 0x0c:
            categoryButtonToggled(bCLabel[2], false);
            return true;

        case 0x0d:
            categoryButtonToggled(bCLabel[3], false);
            return true;

        case 0x0e:
            categoryButtonToggled(bCLabel[4], false);
            return true;

        case 0x0f:
            categoryButtonToggled(bRecentlySaved[0], false);
            return true;

        case 0x10:
            categoryButtonToggled(bRecentlySaved[1], false);
            return true;
        }
    }

#endif

    if (!ctrl && !alt) {
        switch(event->keyval) {
        case GDK_KEY_d:
        case GDK_KEY_D:
            categoryButtonToggled(bFilterClear, false);
            return true;
        }
    }

    if (!ctrl || (alt && !options.tabbedUI)) {
        switch(event->keyval) {

        case GDK_KEY_bracketright:
            coarsePanel->rotateRight();
            return true;

        case GDK_KEY_bracketleft:
            coarsePanel->rotateLeft();
            return true;

        case GDK_KEY_i:
        case GDK_KEY_I:
            exifInfo->set_active (!exifInfo->get_active());
            return true;

        case GDK_KEY_plus:
        case GDK_KEY_equal:
            zoomIn();
            return true;

        case GDK_KEY_minus:
        case GDK_KEY_underscore:
            zoomOut();
            return true;
        }
    }

    if (ctrl && !alt) {
        switch (event->keyval) {
        case GDK_KEY_o:
            BrowsePath->select_region(0, BrowsePath->get_text_length());
            BrowsePath->grab_focus();
            return true;

        case GDK_KEY_f:
            Query->select_region(0, Query->get_text_length());
            Query->grab_focus();
            return true;

        case GDK_KEY_t:
        case GDK_KEY_T:
            modifierKey = 0; // HOMBRE: yet another hack.... otherwise the shortcut won't work
            categoryButtonToggled(bTrash, false);
            return true;
        }
    }

    if (!ctrl && !alt && shift) {
        switch (event->keyval) {
        case GDK_KEY_t:
        case GDK_KEY_T:
            if (inTabMode) {
                if (options.showFilmStripToolBar) {
                    hideToolBar();
                } else {
                    showToolBar();
                }

                options.showFilmStripToolBar = !options.showFilmStripToolBar;
            }

            return true;
        }
    }

    if (!ctrl && !alt && !shift) {
        switch (event->keyval) {
        case GDK_KEY_t:
        case GDK_KEY_T:
            if (inTabMode) {
                if (options.showFilmStripToolBar) {
                    hideToolBar();
                } else {
                    showToolBar();
                }

                options.showFilmStripToolBar = !options.showFilmStripToolBar;
            }

            refreshHeight();
            return true;
        }
    }

    return fileBrowser->keyPressed(event);
}

void FileCatalog::showToolBar()
{
    if (!options.FileBrowserToolbarSingleRow) {
        hbToolBar1->show();
    }

    buttonBar->show();
}

void FileCatalog::hideToolBar()
{
    if (!options.FileBrowserToolbarSingleRow) {
        hbToolBar1->hide();
    }

    buttonBar->hide();
}
