#ifdef HAVE_CONFIG_H

# include "config.h"

#endif

#include <gtkmm/treeview.h>

#include "gradient-vector.h"

#include "document.h"

#include "document-undo.h"

#include "document-private.h"

#include "gradient-chemistry.h"

#include "inkscape.h"

#include "verbs.h"

#include "helper/action.h"

#include "helper/action-context.h"

#include "preferences.h"

#include "widgets/icon.h"

#include <glibmm/i18n.h>

#include <xml/repr.h>

#include "gradient-selector.h"

#include "paint-selector.h"

#include "style.h"

#include "id-clash.h"

#include "ui/icon-names.h"

enum {

GRABBED,

DRAGGED,

RELEASED,

CHANGED,

LAST_SIGNAL

};

static void sp_gradient_selector_dispose(GObject *object);

static void sp_gradient_selector_vector_set (SPGradientVectorSelector *gvs, SPGradient *gr, SPGradientSelector *sel);

static void sp_gradient_selector_edit_vector_clicked (GtkWidget *w, SPGradientSelector *sel);

static void sp_gradient_selector_add_vector_clicked (GtkWidget *w, SPGradientSelector *sel);

static void sp_gradient_selector_delete_vector_clicked (GtkWidget *w, SPGradientSelector *sel);

static guint signals[LAST_SIGNAL] = {0};

#if GTK_CHECK_VERSION(3,0,0)

G_DEFINE_TYPE(SPGradientSelector, sp_gradient_selector, GTK_TYPE_BOX);

#else

G_DEFINE_TYPE(SPGradientSelector, sp_gradient_selector, GTK_TYPE_VBOX);

#endif

static void sp_gradient_selector_class_init(SPGradientSelectorClass *klass)

{

GObjectClass *object_class = G_OBJECT_CLASS(klass);

signals[GRABBED] = g_signal_new ("grabbed",

G_TYPE_FROM_CLASS(object_class),

(GSignalFlags)(G_SIGNAL_RUN_FIRST | G_SIGNAL_NO_RECURSE),

G_STRUCT_OFFSET (SPGradientSelectorClass, grabbed),

NULL, NULL,

g_cclosure_marshal_VOID__VOID,

G_TYPE_NONE, 0);

signals[DRAGGED] = g_signal_new ("dragged",

G_TYPE_FROM_CLASS(object_class),

(GSignalFlags)(G_SIGNAL_RUN_FIRST | G_SIGNAL_NO_RECURSE),

G_STRUCT_OFFSET (SPGradientSelectorClass, dragged),

NULL, NULL,

g_cclosure_marshal_VOID__VOID,

G_TYPE_NONE, 0);

signals[RELEASED] = g_signal_new ("released",

G_TYPE_FROM_CLASS(object_class),

(GSignalFlags)(G_SIGNAL_RUN_FIRST | G_SIGNAL_NO_RECURSE),

G_STRUCT_OFFSET (SPGradientSelectorClass, released),

NULL, NULL,

g_cclosure_marshal_VOID__VOID,

G_TYPE_NONE, 0);

signals[CHANGED] = g_signal_new ("changed",

G_TYPE_FROM_CLASS(object_class),

(GSignalFlags)(G_SIGNAL_RUN_FIRST | G_SIGNAL_NO_RECURSE),

G_STRUCT_OFFSET (SPGradientSelectorClass, changed),

NULL, NULL,

g_cclosure_marshal_VOID__VOID,

G_TYPE_NONE, 0);

object_class->dispose = sp_gradient_selector_dispose;

}

static void gradsel_style_button(GtkWidget *gtkbtn, char const *iconName)

{

Gtk::Button *btn = Glib::wrap(GTK_BUTTON(gtkbtn));

GtkWidget *child = sp_icon_new(Inkscape::ICON_SIZE_SMALL_TOOLBAR, iconName);

gtk_widget_show(child);

btn->add(*manage(Glib::wrap(child)));

btn->set_relief(Gtk::RELIEF_NONE);

}

static void sp_gradient_selector_init(SPGradientSelector *sel)

{

sel->safelyInit = true;

sel->blocked = false;

#if GTK_CHECK_VERSION(3,0,0)

gtk_orientable_set_orientation(GTK_ORIENTABLE(sel), GTK_ORIENTATION_VERTICAL);

#endif

new (&sel->nonsolid) std::vector<GtkWidget*>();

new (&sel->swatch_widgets) std::vector<GtkWidget*>();

sel->mode = SPGradientSelector::MODE_LINEAR;

sel->gradientUnits = SP_GRADIENT_UNITS_USERSPACEONUSE;

sel->gradientSpread = SP_GRADIENT_SPREAD_PAD;

/* Vectors */

sel->vectors = sp_gradient_vector_selector_new (NULL, NULL);

SPGradientVectorSelector *gvs = SP_GRADIENT_VECTOR_SELECTOR(sel->vectors);

sel->store = gvs->store;

sel->columns = gvs->columns;

sel->treeview = Gtk::manage(new Gtk::TreeView());

sel->treeview->set_model(gvs->store);

sel->treeview->set_headers_clickable (true);

sel->treeview->set_search_column(1);

sel->icon_renderer = Gtk::manage(new Gtk::CellRendererPixbuf());

sel->text_renderer = Gtk::manage(new Gtk::CellRendererText());

sel->treeview->append_column(_("Gradient"), *sel->icon_renderer);

Gtk::TreeView::Column* icon_column = sel->treeview->get_column(0);

icon_column->add_attribute(sel->icon_renderer->property_pixbuf(), sel->columns->pixbuf);

icon_column->set_sort_column(sel->columns->color);

icon_column->set_clickable(true);

sel->treeview->append_column(_("Name"), *sel->text_renderer);

Gtk::TreeView::Column* name_column = sel->treeview->get_column(1);

sel->text_renderer->property_editable() = true;

name_column->add_attribute(sel->text_renderer->property_text(), sel->columns->name);

name_column->set_min_width(180);

name_column->set_clickable(true);

name_column->set_resizable(true);

sel->treeview->append_column("#", sel->columns->refcount);

Gtk::TreeView::Column* count_column = sel->treeview->get_column(2);

count_column->set_clickable(true);

count_column->set_resizable(true);

sel->treeview->show();

icon_column->signal_clicked().connect( sigc::mem_fun(*sel, &SPGradientSelector::onTreeColorColClick) );

name_column->signal_clicked().connect( sigc::mem_fun(*sel, &SPGradientSelector::onTreeNameColClick) );

count_column->signal_clicked().connect( sigc::mem_fun(*sel, &SPGradientSelector::onTreeCountColClick) );

gvs->tree_select_connection = sel->treeview->get_selection()->signal_changed().connect( sigc::mem_fun(*sel, &SPGradientSelector::onTreeSelection) );

sel->text_renderer->signal_edited().connect( sigc::mem_fun(*sel, &SPGradientSelector::onGradientRename) );

sel->scrolled_window = Gtk::manage(new Gtk::ScrolledWindow());

sel->scrolled_window->add(*sel->treeview);

sel->scrolled_window->set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);

sel->scrolled_window->set_shadow_type(Gtk::SHADOW_IN);

sel->scrolled_window->set_size_request(0, 150);

sel->scrolled_window->show();

gtk_box_pack_start (GTK_BOX (sel), GTK_WIDGET(sel->scrolled_window->gobj()), TRUE, TRUE, 4);

/* Create box for buttons */

#if GTK_CHECK_VERSION(3,0,0)

GtkWidget *hb = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);

gtk_box_set_homogeneous(GTK_BOX(hb), FALSE);

#else

GtkWidget *hb = gtk_hbox_new( FALSE, 2 );

#endif

//sel->nonsolid.push_back(hb);

gtk_box_pack_start( GTK_BOX(sel), hb, FALSE, FALSE, 0 );

sel->add = gtk_button_new();

gradsel_style_button(sel->add, INKSCAPE_ICON("list-add"));

sel->nonsolid.push_back(sel->add);

gtk_box_pack_start (GTK_BOX (hb), sel->add, FALSE, FALSE, 0);

g_signal_connect (G_OBJECT (sel->add), "clicked", G_CALLBACK (sp_gradient_selector_add_vector_clicked), sel);

gtk_widget_set_sensitive (sel->add, FALSE);

gtk_button_set_relief(GTK_BUTTON(sel->add), GTK_RELIEF_NONE);

gtk_widget_set_tooltip_text( sel->add, _("Create a duplicate gradient"));

// FIXME: Probably better to either use something from the icon naming spec or ship our own "edit-gradient" icon

sel->edit = gtk_button_new();

gradsel_style_button(sel->edit, INKSCAPE_ICON("gtk-edit"));

sel->nonsolid.push_back(sel->edit);

gtk_box_pack_start (GTK_BOX (hb), sel->edit, FALSE, FALSE, 0);

g_signal_connect (G_OBJECT (sel->edit), "clicked", G_CALLBACK (sp_gradient_selector_edit_vector_clicked), sel);

gtk_widget_set_sensitive (sel->edit, FALSE);

gtk_button_set_relief(GTK_BUTTON(sel->edit), GTK_RELIEF_NONE);

gtk_widget_set_tooltip_text( sel->edit, _("Edit gradient"));

sel->del = gtk_button_new ();

gradsel_style_button(sel->del, INKSCAPE_ICON("list-remove"));

sel->swatch_widgets.push_back(sel->del);

gtk_box_pack_start (GTK_BOX (hb), sel->del, FALSE, FALSE, 0);

g_signal_connect (G_OBJECT (sel->del), "clicked", G_CALLBACK (sp_gradient_selector_delete_vector_clicked), sel);

gtk_widget_set_sensitive (sel->del, FALSE);

gtk_button_set_relief(GTK_BUTTON(sel->del), GTK_RELIEF_NONE);

gtk_widget_set_tooltip_text( sel->del, _("Delete swatch"));

gtk_widget_show_all(hb);

}

static void sp_gradient_selector_dispose(GObject *object)

{

SPGradientSelector *sel = SP_GRADIENT_SELECTOR( object );

if ( sel->safelyInit ) {

sel->safelyInit = false;

using std::vector;

sel->nonsolid.~vector<GtkWidget*>();

sel->swatch_widgets.~vector<GtkWidget*>();

}

if (sel->icon_renderer) {

delete sel->icon_renderer;

sel->icon_renderer = NULL;

}

if (sel->text_renderer) {

delete sel->text_renderer;

sel->text_renderer = NULL;

}

if ((G_OBJECT_CLASS(sp_gradient_selector_parent_class))->dispose) {

(G_OBJECT_CLASS(sp_gradient_selector_parent_class))->dispose(object);

}

}

void SPGradientSelector::setSpread(SPGradientSpread spread)

{

gradientSpread = spread;

//gtk_combo_box_set_active (GTK_COMBO_BOX(this->spread), gradientSpread);

}

GtkWidget *sp_gradient_selector_new()

{

SPGradientSelector *sel = SP_GRADIENT_SELECTOR(g_object_new (SP_TYPE_GRADIENT_SELECTOR, NULL));

return GTK_WIDGET(sel);

}

void SPGradientSelector::setMode(SelectorMode mode)

{

if (mode != this->mode) {

this->mode = mode;

if (mode == MODE_SWATCH) {

for (std::vector<GtkWidget*>::iterator it = nonsolid.begin(); it != nonsolid.end(); ++it)

{

gtk_widget_hide(*it);

}

for (std::vector<GtkWidget*>::iterator it = swatch_widgets.begin(); it != swatch_widgets.end(); ++it)

{

gtk_widget_show_all(*it);

}

Gtk::TreeView::Column* icon_column = treeview->get_column(0);

icon_column->set_title(_("Swatch"));

SPGradientVectorSelector* vs = SP_GRADIENT_VECTOR_SELECTOR(vectors);

vs->setSwatched();

} else {

for (std::vector<GtkWidget*>::iterator it = nonsolid.begin(); it != nonsolid.end(); ++it)

{

gtk_widget_show_all(*it);

}

for (std::vector<GtkWidget*>::iterator it = swatch_widgets.begin(); it != swatch_widgets.end(); ++it)

{

gtk_widget_hide(*it);

}

Gtk::TreeView::Column* icon_column = treeview->get_column(0);

icon_column->set_title(_("Gradient"));

}

}

}

void SPGradientSelector::setUnits(SPGradientUnits units)

{

gradientUnits = units;

}

SPGradientUnits SPGradientSelector::getUnits()

{

return gradientUnits;

}

SPGradientSpread SPGradientSelector::getSpread()

{

return gradientSpread;

}

void SPGradientSelector::onGradientRename( const Glib::ustring& path_string, const Glib::ustring& new_text)

{

Gtk::TreePath path(path_string);

Gtk::TreeModel::iterator iter = store->get_iter(path);

if( iter )

{

Gtk::TreeModel::Row row = *iter;

if ( row ) {

SPObject* obj = row[columns->data];

if ( obj ) {

row[columns->name] = gr_prepare_label(obj);

if (!new_text.empty() && new_text != row[columns->name]) {

rename_id(obj, new_text );

Inkscape::DocumentUndo::done(obj->document, SP_VERB_CONTEXT_GRADIENT,

_("Rename gradient"));

}

}

}

}

}

void SPGradientSelector::onTreeColorColClick() {

Gtk::TreeView::Column* column = treeview->get_column(0);

column->set_sort_column(columns->color);

}

void SPGradientSelector::onTreeNameColClick() {

Gtk::TreeView::Column* column = treeview->get_column(1);

column->set_sort_column(columns->name);

}

void SPGradientSelector::onTreeCountColClick() {

Gtk::TreeView::Column* column = treeview->get_column(2);

column->set_sort_column(columns->refcount);

}

void SPGradientSelector::onTreeSelection()

{

if (!treeview) {

return;

}

if (blocked) {

return;

}

if (!treeview->has_focus()) {

/* Workaround for GTK bug on Windows/OS X

treeview->grab_focus();

}

const Glib::RefPtr<Gtk::TreeSelection> sel = treeview->get_selection();

if (!sel) {

return;

}

SPGradient *obj = NULL;

/* Single selection */

Gtk::TreeModel::iterator iter = sel->get_selected();

if ( iter ) {

Gtk::TreeModel::Row row = *iter;

obj = row[columns->data];

}

if (obj) {

sp_gradient_selector_vector_set (NULL, SP_GRADIENT(obj), this);

}

}

bool SPGradientSelector::_checkForSelected(const Gtk::TreePath &path, const Gtk::TreeIter& iter, SPGradient *vector)

{

bool found = false;

Gtk::TreeModel::Row row = *iter;

if ( vector == row[columns->data] )

{

treeview->scroll_to_row(path, 0.5);

Glib::RefPtr<Gtk::TreeSelection> select = treeview->get_selection();

bool wasBlocked = blocked;

blocked = true;

select->select(iter);

blocked = wasBlocked;

found = true;

}

return found;

}

void SPGradientSelector::selectGradientInTree(SPGradient *vector)

{

store->foreach( sigc::bind<SPGradient*>(sigc::mem_fun(*this, &SPGradientSelector::_checkForSelected), vector) );

}

void SPGradientSelector::setVector(SPDocument *doc, SPGradient *vector)

{

g_return_if_fail(!vector || SP_IS_GRADIENT(vector));

g_return_if_fail(!vector || (vector->document == doc));

if (vector && !vector->hasStops()) {

return;

}

sp_gradient_vector_selector_set_gradient(SP_GRADIENT_VECTOR_SELECTOR(vectors), doc, vector);

selectGradientInTree(vector);

if (vector) {

if ( (mode == MODE_SWATCH) && vector->isSwatch() ) {

if ( vector->isSolid() ) {

for (std::vector<GtkWidget*>::iterator it = nonsolid.begin(); it != nonsolid.end(); ++it)

{

gtk_widget_hide(*it);

}

} else {

for (std::vector<GtkWidget*>::iterator it = nonsolid.begin(); it != nonsolid.end(); ++it)

{

gtk_widget_show_all(*it);

}

}

} else if (mode != MODE_SWATCH) {

for (std::vector<GtkWidget*>::iterator it = swatch_widgets.begin(); it != swatch_widgets.end(); ++it)

{

gtk_widget_hide(*it);

}

for (std::vector<GtkWidget*>::iterator it = nonsolid.begin(); it != nonsolid.end(); ++it)

{

gtk_widget_show_all(*it);

}

}

if (edit) {

gtk_widget_set_sensitive(edit, TRUE);

}

if (add) {

gtk_widget_set_sensitive(add, TRUE);

}

if (del) {

gtk_widget_set_sensitive(del, TRUE);

}

} else {

if (edit) {

gtk_widget_set_sensitive(edit, FALSE);

}

if (add) {

gtk_widget_set_sensitive(add, (doc != NULL));

}

if (del) {

gtk_widget_set_sensitive(del, FALSE);

}

}

}

SPGradient *SPGradientSelector::getVector()

{

/* fixme: */

return SP_GRADIENT_VECTOR_SELECTOR(vectors)->gr;

}

static void sp_gradient_selector_vector_set(SPGradientVectorSelector * /*gvs*/, SPGradient *gr, SPGradientSelector *sel)

{

if (!sel->blocked) {

sel->blocked = TRUE;

gr = sp_gradient_ensure_vector_normalized (gr);

sel->setVector((gr) ? gr->document : 0, gr);

g_signal_emit (G_OBJECT (sel), signals[CHANGED], 0, gr);

sel->blocked = FALSE;

}

}

static void

sp_gradient_selector_delete_vector_clicked (GtkWidget */*w*/, SPGradientSelector *sel)

{

const Glib::RefPtr<Gtk::TreeSelection> selection = sel->treeview->get_selection();

if (!selection) {

return;

}

SPGradient *obj = NULL;

/* Single selection */

Gtk::TreeModel::iterator iter = selection->get_selected();

if ( iter ) {

Gtk::TreeModel::Row row = *iter;

obj = row[sel->columns->data];

}

if (obj) {

sp_gradient_unset_swatch(SP_ACTIVE_DESKTOP, obj->getId());

}

}

static void

sp_gradient_selector_edit_vector_clicked (GtkWidget */*w*/, SPGradientSelector *sel)

{

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

if (prefs->getBool("/dialogs/gradienteditor/showlegacy", false)) {

// Legacy gradient dialog

GtkWidget *dialog;

dialog = sp_gradient_vector_editor_new (SP_GRADIENT_VECTOR_SELECTOR (sel->vectors)->gr);

gtk_widget_show (dialog);

} else {

// Invoke the gradient tool

Inkscape::Verb *verb = Inkscape::Verb::get( SP_VERB_CONTEXT_GRADIENT );

if ( verb ) {

SPAction *action = verb->get_action( Inkscape::ActionContext( ( Inkscape::UI::View::View * ) SP_ACTIVE_DESKTOP ) );

if ( action ) {

sp_action_perform( action, NULL );

}

}

}

}

static void

sp_gradient_selector_add_vector_clicked (GtkWidget */*w*/, SPGradientSelector *sel)

{

SPDocument *doc = sp_gradient_vector_selector_get_document (SP_GRADIENT_VECTOR_SELECTOR (sel->vectors));

if (!doc)

return;

SPGradient *gr = sp_gradient_vector_selector_get_gradient( SP_GRADIENT_VECTOR_SELECTOR (sel->vectors));

Inkscape::XML::Document *xml_doc = doc->getReprDoc();

Inkscape::XML::Node *repr = NULL;

if (gr) {

repr = gr->getRepr()->duplicate(xml_doc);

// Rename the new gradients id to be similar to the cloned gradients

Glib::ustring old_id = gr->getId();

rename_id(gr, old_id);

doc->getDefs()->getRepr()->addChild(repr, NULL);

} else {

repr = xml_doc->createElement("svg:linearGradient");

Inkscape::XML::Node *stop = xml_doc->createElement("svg:stop");

stop->setAttribute("offset", "0");

stop->setAttribute("style", "stop-color:#000;stop-opacity:1;");

repr->appendChild(stop);

Inkscape::GC::release(stop);

stop = xml_doc->createElement("svg:stop");

stop->setAttribute("offset", "1");

stop->setAttribute("style", "stop-color:#fff;stop-opacity:1;");

repr->appendChild(stop);

Inkscape::GC::release(stop);

doc->getDefs()->getRepr()->addChild(repr, NULL);

gr = SP_GRADIENT(doc->getObjectByRepr(repr));

}

sp_gradient_vector_selector_set_gradient( SP_GRADIENT_VECTOR_SELECTOR (sel->vectors), doc, gr);

sel->selectGradientInTree(gr);

Inkscape::GC::release(repr);

}