#ifdef HAVE_CONFIG_H

# include "config.h"

#endif

#include <gtkmm.h>

#include <glibmm/i18n.h>

#include <list>

#include "pencil-toolbar.h"

#include "desktop.h"

#include "widgets/ege-adjustment-action.h"

#include "widgets/ege-select-one-action.h"

#include "widgets/ink-action.h"

#include "preferences.h"

#include "toolbox.h"

#include "ui/tools-switch.h"

#include "ui/icon-names.h"

#include "ui/tools/pen-tool.h"

#include "ui/uxmanager.h"

#include "widgets/spinbutton-events.h"

#include <selection.h>

#include "display/curve.h"

#include "live_effects/effect.h"

#include "live_effects/lpe-simplify.h"

#include "live_effects/lpe-powerstroke.h"

#include "live_effects/effect-enum.h"

#include "live_effects/lpeobject.h"

#include "live_effects/lpeobject-reference.h"

#include "sp-lpe-item.h"

using Inkscape::UI::UXManager;

using Inkscape::UI::ToolboxFactory;

using Inkscape::UI::PrefPusher;

static Glib::ustring const freehand_tool_name(GObject *dataKludge)

{

SPDesktop *desktop = static_cast<SPDesktop *>(g_object_get_data(dataKludge, "desktop"));

return ( tools_isactive(desktop, TOOLS_FREEHAND_PEN)

? "/tools/freehand/pen"

: "/tools/freehand/pencil" );

}

static void freehand_mode_changed(EgeSelectOneAction* act, GObject* tbl)

{

gint mode = ege_select_one_action_get_active(act);

Inkscape::Preferences *prefs = Inkscape::Preferences::get();

prefs->setInt(freehand_tool_name(tbl) + "/freehand-mode", mode);

SPDesktop *desktop = static_cast<SPDesktop *>(g_object_get_data(tbl, "desktop"));

// in pen tool we have more options than in pencil tool; if one of them was chosen, we do any

// preparatory work here

if (SP_IS_PEN_CONTEXT(desktop->event_context)) {

Inkscape::UI::Tools::PenTool *pc = SP_PEN_CONTEXT(desktop->event_context);

pc->setPolylineMode();

}

}

static void sp_add_freehand_mode_toggle(GtkActionGroup* mainActions, GObject* holder, bool tool_is_pencil)

{

/* Freehand mode toggle buttons */

{

Inkscape::Preferences *prefs = Inkscape::Preferences::get();

guint freehandMode = prefs->getInt(( tool_is_pencil ? "/tools/freehand/pencil/freehand-mode" : "/tools/freehand/pen/freehand-mode" ), 0);

Inkscape::IconSize secondarySize = ToolboxFactory::prefToSize("/toolbox/secondary", 1);

{

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, _("Bezier"),

1, _("Create regular Bezier path"),

2, INKSCAPE_ICON("path-mode-bezier"),

-1 );

gtk_list_store_append( model, &iter );

gtk_list_store_set( model, &iter,

0, _("Spiro"),

1, _("Create Spiro path"),

2, INKSCAPE_ICON("path-mode-spiro"),

-1 );

gtk_list_store_append( model, &iter );

gtk_list_store_set( model, &iter,

0, _("BSpline"),

1, _("Create BSpline path"),

2, INKSCAPE_ICON("path-mode-bspline"),

-1 );

if (!tool_is_pencil) {

gtk_list_store_append( model, &iter );

gtk_list_store_set( model, &iter,

0, _("Zigzag"),

1, _("Create a sequence of straight line segments"),

2, INKSCAPE_ICON("path-mode-polyline"),

-1 );

gtk_list_store_append( model, &iter );

gtk_list_store_set( model, &iter,

0, _("Paraxial"),

1, _("Create a sequence of paraxial line segments"),

2, INKSCAPE_ICON("path-mode-polyline-paraxial"),

-1 );

}

EgeSelectOneAction* act = ege_select_one_action_new(tool_is_pencil ?

"FreehandModeActionPencil" :

"FreehandModeActionPen",

(_("Mode:")), (_("Mode of new lines drawn by this tool")), NULL, GTK_TREE_MODEL(model) );

gtk_action_group_add_action( mainActions, GTK_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 );

ege_select_one_action_set_active( act, freehandMode);

g_signal_connect_after( G_OBJECT(act), "changed", G_CALLBACK(freehand_mode_changed), holder);

}

}

}

static void freehand_change_shape(EgeSelectOneAction* act, GObject *dataKludge) {

gint shape = ege_select_one_action_get_active( act );

Inkscape::Preferences *prefs = Inkscape::Preferences::get();

prefs->setInt(freehand_tool_name(dataKludge) + "/shape", shape);

}

static void freehand_simplify_lpe(InkToggleAction* itact, GObject *dataKludge) {

gint simplify = gtk_toggle_action_get_active( GTK_TOGGLE_ACTION(itact) );

Inkscape::Preferences *prefs = Inkscape::Preferences::get();

prefs->setInt(freehand_tool_name(dataKludge) + "/simplify", simplify);

gtk_action_set_visible( GTK_ACTION( g_object_get_data(dataKludge, "flatten_simplify") ), simplify );

}

static GList * freehand_shape_dropdown_items_list() {

GList *glist = NULL;

glist = g_list_append (glist, const_cast<gchar *>(C_("Freehand shape", "None")));

glist = g_list_append (glist, _("Triangle in"));

glist = g_list_append (glist, _("Triangle out"));

glist = g_list_append (glist, _("Ellipse"));

glist = g_list_append (glist, _("From clipboard"));

glist = g_list_append (glist, _("Bend from clipboard"));

glist = g_list_append (glist, _("Last applied"));

return glist;

}

static void freehand_add_advanced_shape_options(GtkActionGroup* mainActions, GObject* holder, bool tool_is_pencil)

{

/*advanced shape options */

{

Inkscape::Preferences *prefs = Inkscape::Preferences::get();

GtkListStore* model = gtk_list_store_new( 2, G_TYPE_STRING, G_TYPE_INT );

GList* items = 0;

gint count = 0;

for ( items = freehand_shape_dropdown_items_list(); items ; items = g_list_next(items) )

{

GtkTreeIter iter;

gtk_list_store_append( model, &iter );

gtk_list_store_set( model, &iter, 0, reinterpret_cast<gchar*>(items->data), 1, count, -1 );

count++;

}

g_list_free( items );

items = 0;

EgeSelectOneAction* act1 = ege_select_one_action_new(

tool_is_pencil ? "SetPencilShapeAction" : "SetPenShapeAction",

_("Shape:"), (_("Shape of new paths drawn by this tool")), NULL, GTK_TREE_MODEL(model));

g_object_set( act1, "short_label", _("Shape:"), NULL );

ege_select_one_action_set_appearance( act1, "compact" );

ege_select_one_action_set_active( act1, prefs->getInt(( tool_is_pencil ? "/tools/freehand/pencil/shape" : "/tools/freehand/pen/shape" ), 0) );

g_signal_connect( G_OBJECT(act1), "changed", G_CALLBACK(freehand_change_shape), holder );

gtk_action_group_add_action( mainActions, GTK_ACTION(act1) );

g_object_set_data( holder, "shape_action", act1 );

}

}

void sp_pen_toolbox_prep(SPDesktop * /*desktop*/, GtkActionGroup* mainActions, GObject* holder)

{

sp_add_freehand_mode_toggle(mainActions, holder, false);

freehand_add_advanced_shape_options(mainActions, holder, false);

}

static void sp_pencil_tb_defaults(GtkWidget * /*widget*/, GObject *obj)

{

GtkWidget *tbl = GTK_WIDGET(obj);

GtkAdjustment *adj;

// fixme: make settable

gdouble tolerance = 4;

adj = GTK_ADJUSTMENT(g_object_get_data(obj, "tolerance"));

gtk_adjustment_set_value(adj, tolerance);

gtk_adjustment_value_changed(adj);

spinbutton_defocus(tbl);

}

static void sp_simplify_flatten(GtkWidget * /*widget*/, GObject *obj)

{

SPDesktop *desktop = static_cast<SPDesktop *>(g_object_get_data(obj, "desktop"));

std::vector<SPItem *> selected = desktop->getSelection()->itemList();

for (std::vector<SPItem *>::iterator it(selected.begin()); it != selected.end(); ++it){

SPLPEItem* lpeitem = dynamic_cast<SPLPEItem*>(*it);

if (lpeitem && lpeitem->hasPathEffect()){

PathEffectList lpelist = lpeitem->getEffectList();

std::list<Inkscape::LivePathEffect::LPEObjectReference *>::iterator i;

for (i = lpelist.begin(); i != lpelist.end(); ++i) {

LivePathEffectObject *lpeobj = (*i)->lpeobject;

if (lpeobj) {

Inkscape::LivePathEffect::Effect *lpe = lpeobj->get_lpe();

if (dynamic_cast<Inkscape::LivePathEffect::LPESimplify *>(lpe)) {

SPShape * shape = dynamic_cast<SPShape *>(lpeitem);

if(shape){

SPCurve * c = shape->getCurveBeforeLPE();

lpe->doEffect(c);

lpeitem->setCurrentPathEffect(*i);

if (lpelist.size() > 1){

lpeitem->removeCurrentPathEffect(true);

shape->setCurveBeforeLPE(c);

} else {

lpeitem->removeCurrentPathEffect(false);

shape->setCurve(c,0);

}

break;

}

}

}

}

}

}

}

static void sp_pencil_tb_tolerance_value_changed(GtkAdjustment *adj, GObject *tbl)

{

// quit if run by the attr_changed listener

if (g_object_get_data( tbl, "freeze" )) {

return;

}

// in turn, prevent listener from responding

Inkscape::Preferences *prefs = Inkscape::Preferences::get();

g_object_set_data( tbl, "freeze", GINT_TO_POINTER(TRUE) );

prefs->setDouble("/tools/freehand/pencil/tolerance",

gtk_adjustment_get_value(adj));

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

SPDesktop *desktop = static_cast<SPDesktop *>(g_object_get_data(tbl, "desktop"));

std::vector<SPItem *> selected = desktop->getSelection()->itemList();

for (std::vector<SPItem *>::iterator it(selected.begin()); it != selected.end(); ++it){

SPLPEItem* lpeitem = dynamic_cast<SPLPEItem*>(*it);

if (lpeitem && lpeitem->hasPathEffect()){

Inkscape::LivePathEffect::Effect* simplify = lpeitem->getPathEffectOfType(Inkscape::LivePathEffect::SIMPLIFY);

if(simplify){

Inkscape::LivePathEffect::LPESimplify *lpe_simplify = dynamic_cast<Inkscape::LivePathEffect::LPESimplify*>(simplify->getLPEObj()->get_lpe());

if (lpe_simplify) {

double tol = prefs->getDoubleLimited("/tools/freehand/pencil/tolerance", 10.0, 1.0, 100.0);

tol = tol/(100.0*(102.0-tol));

std::ostringstream ss;

ss << tol;

Inkscape::LivePathEffect::Effect* powerstroke = lpeitem->getPathEffectOfType(Inkscape::LivePathEffect::POWERSTROKE);

bool simplified = false;

if(powerstroke){

Inkscape::LivePathEffect::LPEPowerStroke *lpe_powerstroke = dynamic_cast<Inkscape::LivePathEffect::LPEPowerStroke*>(powerstroke->getLPEObj()->get_lpe());

if(lpe_powerstroke){

lpe_powerstroke->getRepr()->setAttribute("is_visible", "false");

sp_lpe_item_update_patheffect(lpeitem, false, false);

SPShape *sp_shape = dynamic_cast<SPShape *>(lpeitem);

if (sp_shape) {

guint previous_curve_length = sp_shape->getCurve()->get_segment_count();

lpe_simplify->getRepr()->setAttribute("threshold", ss.str());

sp_lpe_item_update_patheffect(lpeitem, false, false);

simplified = true;

guint curve_length = sp_shape->getCurve()->get_segment_count();

std::vector<Geom::Point> ts = lpe_powerstroke->offset_points.data();

double factor = (double)curve_length/ (double)previous_curve_length;

for (size_t i = 0; i < ts.size(); i++) {

ts[i][Geom::X] = ts[i][Geom::X] * factor;

}

lpe_powerstroke->offset_points.param_setValue(ts);

}

lpe_powerstroke->getRepr()->setAttribute("is_visible", "true");

sp_lpe_item_update_patheffect(lpeitem, false, false);

}

}

if(!simplified){

lpe_simplify->getRepr()->setAttribute("threshold", ss.str());

}

}

}

}

}

}

void sp_pencil_toolbox_prep(SPDesktop *desktop, GtkActionGroup* mainActions, GObject* holder)

{

sp_add_freehand_mode_toggle(mainActions, holder, true);

Inkscape::Preferences *prefs = Inkscape::Preferences::get();

EgeAdjustmentAction* eact = 0;

/* Tolerance */

{

gchar const* labels[] = {_("(many nodes, rough)"), _("(default)"), 0, 0, 0, 0, _("(few nodes, smooth)")};

gdouble values[] = {1, 10, 20, 30, 50, 75, 100};

eact = create_adjustment_action( "PencilToleranceAction",

_("Smoothing:"), _("Smoothing: "),

_("How much smoothing (simplifying) is applied to the line"),

"/tools/freehand/pencil/tolerance",

3.0,

GTK_WIDGET(desktop->canvas),

holder, TRUE, "altx-pencil",

1, 100.0, 0.5, 1.0,

labels, values, G_N_ELEMENTS(labels),

sp_pencil_tb_tolerance_value_changed,

NULL /*unit tracker*/,

1, 2);

ege_adjustment_action_set_appearance( eact, TOOLBAR_SLIDER_HINT );

gtk_action_group_add_action( mainActions, GTK_ACTION(eact) );

}

/* advanced shape options */

freehand_add_advanced_shape_options(mainActions, holder, true);

/* Reset */

{

InkAction* inky = ink_action_new( "PencilResetAction",

_("Defaults"),

_("Reset pencil parameters to defaults (use Inkscape Preferences > Tools to change defaults)"),

INKSCAPE_ICON("edit-clear"),

Inkscape::ICON_SIZE_SMALL_TOOLBAR );

g_signal_connect_after( G_OBJECT(inky), "activate", G_CALLBACK(sp_pencil_tb_defaults), holder );

gtk_action_group_add_action( mainActions, GTK_ACTION(inky) );

}

/* LPE simplify based tolerance */

{

Inkscape::Preferences *prefs = Inkscape::Preferences::get();

InkToggleAction* itact = ink_toggle_action_new( "PencilLpeSimplify",

_("LPE based interactive simplify"),

_("LPE based interactive simplify"),

INKSCAPE_ICON("interactive_simplify"),

Inkscape::ICON_SIZE_SMALL_TOOLBAR );

gtk_toggle_action_set_active(GTK_TOGGLE_ACTION(itact), prefs->getInt("/tools/freehand/pencil/simplify", 0) );

g_signal_connect_after( G_OBJECT(itact), "toggled", G_CALLBACK(freehand_simplify_lpe), holder) ;

gtk_action_group_add_action( mainActions, GTK_ACTION(itact) );

}

/* LPE simplify flatten */

{

InkAction* inky = ink_action_new( "PencilLpeSimplifyFlatten",

_("LPE simplify flatten"),

_("LPE simplify flatten"),

INKSCAPE_ICON("flatten_simplify"),

Inkscape::ICON_SIZE_SMALL_TOOLBAR );

g_signal_connect_after( G_OBJECT(inky), "activate", G_CALLBACK(sp_simplify_flatten), holder );

gtk_action_group_add_action( mainActions, GTK_ACTION(inky) );

g_object_set_data( holder, "flatten_simplify", inky );

if (!prefs->getInt("/tools/freehand/pencil/simplify", 0)) {

gtk_action_set_visible( GTK_ACTION( g_object_get_data(holder, "flatten_simplify") ), false );

}

}

g_signal_connect( holder, "destroy", G_CALLBACK(purge_repr_listener), holder );

}