/**
 * @file
 * Erasor aux toolbar
 */
/* Authors:
 *   MenTaLguY <mental@rydia.net>
 *   Lauris Kaplinski <lauris@kaplinski.com>
 *   bulia byak <buliabyak@users.sf.net>
 *   Frank Felfe <innerspace@iname.com>
 *   John Cliff <simarilius@yahoo.com>
 *   David Turner <novalis@gnu.org>
 *   Josh Andler <scislac@scislac.com>
 *   Jon A. Cruz <jon@joncruz.org>
 *   Maximilian Albert <maximilian.albert@gmail.com>
 *   Tavmjong Bah <tavmjong@free.fr>
 *   Abhishek Sharma
 *   Kris De Gussem <Kris.DeGussem@gmail.com>
 *
 * Copyright (C) 2004 David Turner
 * Copyright (C) 2003 MenTaLguY
 * Copyright (C) 1999-2011 authors
 * Copyright (C) 2001-2002 Ximian, Inc.
 *
 * Released under GNU GPL, read the file 'COPYING' for more information
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <glibmm/i18n.h>

#include "eraser-toolbar.h"
#include "calligraphy-toolbar.h" // TODO: needed for update_presets_list

#include <array>

#include "desktop.h"
#include "document-undo.h"
#include "widgets/ege-adjustment-action.h"
#include "widgets/ege-select-one-action.h"
#include "ink-action.h"
#include "ink-radio-action.h"
#include "ink-toggle-action.h"
#include "toolbox.h"
#include "ui/icon-names.h"
#include "ui/tools/eraser-tool.h"

using Inkscape::DocumentUndo;
using Inkscape::UI::ToolboxFactory;
using Inkscape::UI::PrefPusher;

//########################
//##       Eraser       ##
//########################

static void sp_erc_width_value_changed( GtkAdjustment *adj, GObject *tbl )
{
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
    prefs->setDouble( "/tools/eraser/width", gtk_adjustment_get_value(adj) );
    update_presets_list(tbl);
}

static void sp_erc_mass_value_changed( GtkAdjustment *adj, GObject* tbl )
{
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
    prefs->setDouble( "/tools/eraser/mass", gtk_adjustment_get_value(adj) );
    update_presets_list(tbl);
}

static void sp_erc_velthin_value_changed( GtkAdjustment *adj, GObject* tbl )
{
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
    prefs->setDouble("/tools/eraser/thinning", gtk_adjustment_get_value(adj) );
    update_presets_list(tbl);
}

static void sp_erc_cap_rounding_value_changed( GtkAdjustment *adj, GObject* tbl )
{
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
    prefs->setDouble( "/tools/eraser/cap_rounding", gtk_adjustment_get_value(adj) );
    update_presets_list(tbl);
}

static void sp_erc_tremor_value_changed( GtkAdjustment *adj, GObject* tbl )
{
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
    prefs->setDouble( "/tools/eraser/tremor", gtk_adjustment_get_value(adj) );
    update_presets_list(tbl);
}

static void sp_set_tbl_eraser_mode_visibility(GObject *const tbl, const guint eraser_mode)
{
    gtk_action_set_visible( GTK_ACTION( g_object_get_data(tbl, "split") ), (eraser_mode == ERASER_MODE_CUT));

    const gboolean visibility = (eraser_mode != ERASER_MODE_DELETE);
    const std::array<const gchar *, 6> arr = {"cap_rounding", "mass", "thinning", "tremor", "usepressure", "width"};
    for (const gchar * str : arr) {
        gtk_action_set_visible( GTK_ACTION( g_object_get_data(tbl, str) ), visibility );
    }
}

static void sp_erasertb_mode_changed( EgeSelectOneAction *act, GObject *tbl )
{
    SPDesktop *desktop = static_cast<SPDesktop *>(g_object_get_data( tbl, "desktop" ));
    guint eraser_mode = ege_select_one_action_get_active( act );
    if (DocumentUndo::getUndoSensitive(desktop->getDocument())) {
        Inkscape::Preferences *prefs = Inkscape::Preferences::get();
        prefs->setInt( "/tools/eraser/mode", eraser_mode );
    }
    sp_set_tbl_eraser_mode_visibility(tbl, eraser_mode);
    // only take action if run by the attr_changed listener
    if (!g_object_get_data( tbl, "freeze" )) {
        // in turn, prevent listener from responding
        g_object_set_data( tbl, "freeze", GINT_TO_POINTER(TRUE) );

        /*
        if ( eraser_mode != ERASER_MODE_DELETE ) {
        } else {
        }
        */
        // TODO finish implementation

        g_object_set_data( tbl, "freeze", GINT_TO_POINTER(FALSE) );
    }
}

static void sp_toogle_break_apart( GtkToggleAction* act, gpointer data )
{
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
    gboolean active = gtk_toggle_action_get_active(act);
    prefs->setBool("/tools/eraser/break_apart", active);
}

void sp_eraser_toolbox_prep(SPDesktop *desktop, GtkActionGroup* mainActions, GObject* holder)
{
    GtkIconSize secondarySize = ToolboxFactory::prefToSize("/toolbox/secondary", 1);
    Inkscape::Preferences *prefs = Inkscape::Preferences::get();
    gint eraser_mode = FALSE;
    {
        GtkListStore* model = gtk_list_store_new( 3, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING );
        GtkTreeIter iter;
        gtk_list_store_append( model, &iter );
        gtk_list_store_set( model, &iter,
                            0, _("Delete"),
                            1, _("Delete objects touched by the eraser"),
                            2, INKSCAPE_ICON("draw-eraser-delete-objects"),
                            -1 );

        gtk_list_store_append( model, &iter );
        gtk_list_store_set( model, &iter,
                            0, _("Cut"),
                            1, _("Cut out from paths and shapes"),
                            2, INKSCAPE_ICON("path-difference"),
                            -1 );

        gtk_list_store_append( model, &iter );
        gtk_list_store_set( model, &iter,
                            0, _("Clip"),
                            1, _("Clip from objects"),
                            2, INKSCAPE_ICON("path-intersection"),
                            -1 );

        EgeSelectOneAction* act = ege_select_one_action_new( "EraserModeAction", (""), (""), NULL, GTK_TREE_MODEL(model) );
        g_object_set( act, "short_label", _("Mode:"), NULL );
        gtk_action_group_add_action( mainActions, GTK_ACTION(act) );
        g_object_set_data( holder, "eraser_mode_action", act );

        ege_select_one_action_set_appearance( act, "full" );
        ege_select_one_action_set_radio_action_type( act, INK_RADIO_ACTION_TYPE );
        g_object_set( G_OBJECT(act), "icon-property", "iconId", NULL );
        ege_select_one_action_set_icon_column( act, 2);
        ege_select_one_action_set_icon_size( act, secondarySize );
        ege_select_one_action_set_tooltip_column( act, 1);

        Inkscape::Preferences *prefs = Inkscape::Preferences::get();
        eraser_mode = prefs->getInt("/tools/eraser/mode", ERASER_MODE_CLIP);
        ege_select_one_action_set_active( act, eraser_mode );
        g_signal_connect_after( G_OBJECT(act), "changed", G_CALLBACK(sp_erasertb_mode_changed), holder );
    }

    {
        /* Width */
        gchar const* labels[] = {_("(no width)"),_("(hairline)"), 0, 0, 0, _("(default)"), 0, 0, 0, 0, _("(broad stroke)")};
        gdouble values[] = {0, 1, 3, 5, 10, 15, 20, 30, 50, 75, 100};
        EgeAdjustmentAction *eact = create_adjustment_action( "EraserWidthAction",
                                                              _("Pen Width"), _("Width:"),
                                                              _("The width of the eraser pen (relative to the visible canvas area)"),
                                                              "/tools/eraser/width", 15,
                                                              GTK_WIDGET(desktop->canvas), holder, TRUE, "altx-eraser",
                                                              0, 100, 1.0, 10.0,
                                                              labels, values, G_N_ELEMENTS(labels),
                                                              sp_erc_width_value_changed, NULL /*unit tracker*/, 1, 0);
        ege_adjustment_action_set_appearance( eact, TOOLBAR_SLIDER_HINT );
        gtk_action_group_add_action( mainActions, GTK_ACTION(eact) );
        g_object_set_data( holder, "width", eact );
        gtk_action_set_sensitive( GTK_ACTION(eact), TRUE );
    }
    /* Use Pressure button */
    {
        InkToggleAction* act = ink_toggle_action_new( "EraserPressureAction",
                                                      _("Eraser Pressure"),
                                                      _("Use the pressure of the input device to alter the width of the pen"),
                                                      INKSCAPE_ICON("draw-use-pressure"),
                                                      GTK_ICON_SIZE_MENU );
        gtk_action_group_add_action( mainActions, GTK_ACTION( act ) );
        PrefPusher *pusher = new PrefPusher(GTK_TOGGLE_ACTION(act), "/tools/eraser/usepressure", update_presets_list, holder);
        g_signal_connect( holder, "destroy", G_CALLBACK(delete_prefspusher), pusher);
        g_object_set_data( holder, "usepressure", act );
    }
    {
    
    /* Thinning */
        gchar const* labels[] = {_("(speed blows up stroke)"), 0, 0, _("(slight widening)"), _("(constant width)"), _("(slight thinning, default)"), 0, 0, _("(speed deflates stroke)")};
            gdouble values[] = {-100, -40, -20, -10, 0, 10, 20, 40, 100};
        EgeAdjustmentAction* eact = create_adjustment_action( "EraserThinningAction",
                                                              _("Eraser Stroke Thinning"), _("Thinning:"),
                                                              _("How much velocity thins the stroke (> 0 makes fast strokes thinner, < 0 makes them broader, 0 makes width independent of velocity)"),
                                                              "/tools/eraser/thinning", 10,
                                                              GTK_WIDGET(desktop->canvas), holder, FALSE, NULL,
                                                              -100, 100, 1, 10.0,
                                                              labels, values, G_N_ELEMENTS(labels),
                                                              sp_erc_velthin_value_changed, NULL /*unit tracker*/, 1, 0);
        gtk_action_group_add_action( mainActions, GTK_ACTION(eact) );
        g_object_set_data( holder, "thinning", eact );
        gtk_action_set_sensitive( GTK_ACTION(eact), TRUE );
        }
        {
        /* Cap Rounding */
            gchar const* labels[] = {_("(blunt caps, default)"), _("(slightly bulging)"), 0, 0, _("(approximately round)"), _("(long protruding caps)")};
        gdouble values[] = {0, 0.3, 0.5, 1.0, 1.4, 5.0};
        // TRANSLATORS: "cap" means "end" (both start and finish) here
        EgeAdjustmentAction* eact = create_adjustment_action( "EraserCapRoundingAction",
                                                              _("Eraser Cap rounding"), _("Caps:"),
                                                              _("Increase to make caps at the ends of strokes protrude more (0 = no caps, 1 = round caps)"),
                                                              "/tools/eraser/cap_rounding", 0.0,
                                                              GTK_WIDGET(desktop->canvas), holder, FALSE, NULL,
                                                              0.0, 5.0, 0.01, 0.1,
                                                              labels, values, G_N_ELEMENTS(labels),
                                                              sp_erc_cap_rounding_value_changed, NULL /*unit tracker*/, 0.01, 2 );
        gtk_action_group_add_action( mainActions, GTK_ACTION(eact) );
        g_object_set_data( holder, "cap_rounding", eact );
        gtk_action_set_sensitive( GTK_ACTION(eact), TRUE );
        }

        {
        /* Tremor */
            gchar const* labels[] = {_("(smooth line)"), _("(slight tremor)"), _("(noticeable tremor)"), 0, 0, _("(maximum tremor)")};
        gdouble values[] = {0, 10, 20, 40, 60, 100};
        EgeAdjustmentAction* eact = create_adjustment_action( "EraserTremorAction",
                                                              _("EraserStroke Tremor"), _("Tremor:"),
                                                              _("Increase to make strokes rugged and trembling"),
                                                              "/tools/eraser/tremor", 0.0,
                                                              GTK_WIDGET(desktop->canvas), holder, FALSE, NULL,
                                                              0.0, 100, 1, 10.0,
                                                              labels, values, G_N_ELEMENTS(labels),
                                                              sp_erc_tremor_value_changed, NULL /*unit tracker*/, 1, 0);

        ege_adjustment_action_set_appearance( eact, TOOLBAR_SLIDER_HINT );
        g_object_set_data( holder, "tremor", eact );
        gtk_action_group_add_action( mainActions, GTK_ACTION(eact) );
        gtk_action_set_sensitive( GTK_ACTION(eact), TRUE );
        }
    {
        /* Mass */
            gchar const* labels[] = {_("(no inertia)"), _("(slight smoothing, default)"), _("(noticeable lagging)"), 0, 0, _("(maximum inertia)")};
        gdouble values[] = {0.0, 2, 10, 20, 50, 100};
        EgeAdjustmentAction* eact = create_adjustment_action( "EraserMassAction",
                                                              _("Eraser Mass"), _("Mass:"),
                                                              _("Increase to make the eraser drag behind, as if slowed by inertia"),
                                                              "/tools/eraser/mass", 10.0,
                                                              GTK_WIDGET(desktop->canvas), holder, FALSE, NULL,
                                                              0.0, 100, 1, 10.0,
                                                              labels, values, G_N_ELEMENTS(labels),
                                                              sp_erc_mass_value_changed, NULL /*unit tracker*/, 1, 0);
        ege_adjustment_action_set_appearance( eact, TOOLBAR_SLIDER_HINT );
        g_object_set_data( holder, "mass", eact );
        gtk_action_group_add_action( mainActions, GTK_ACTION(eact) );
        gtk_action_set_sensitive( GTK_ACTION(eact), TRUE );
    }
    /* Overlap */
    {
        InkToggleAction* act = ink_toggle_action_new( "EraserBreakAppart",
                                                      _("Break apart cut items"),
                                                      _("Break apart cut items"),
                                                      INKSCAPE_ICON("distribute-randomize"),
                                                      secondarySize );
        gtk_toggle_action_set_active( GTK_TOGGLE_ACTION(act), prefs->getBool("/tools/eraser/break_apart", false) );
        g_object_set_data( holder, "split", act );
        g_signal_connect_after( G_OBJECT(act), "toggled", G_CALLBACK(sp_toogle_break_apart), holder) ;
        gtk_action_group_add_action( mainActions, GTK_ACTION(act) );
    }
    sp_set_tbl_eraser_mode_visibility(holder, eraser_mode);
}

/*
  Local Variables:
  mode:c++
  c-file-style:"stroustrup"
  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
  indent-tabs-mode:nil
  fill-column:99
  End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
