/* === S Y N F I G ========================================================= */

/*!	\file widget_defaults.cpp

**	\brief Template File

**

**	$Id$

**

**	\legal

**	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley

**  Copyright (c) 2008 Chris Moore

**  Copyright (c) 2008, 2011, 2012 Carlos Lรณpez

**

**	This package 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 2 of

**	the License, or (at your option) any later version.

**

**	This package 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.

**	\endlegal

*/

/* ========================================================================= */

/* === H E A D E R S ======================================================= */

#ifdef USING_PCH

#	include "pch.h"

#else

#ifdef HAVE_CONFIG_H

#	include <config.h></config.h>

#endif

#include <synfig general.h=""></synfig>

#include "widgets/widget_defaults.h"

#include "widgets/widget_color.h"

#include "widgets/widget_gradient.h"

#include "dialogs/dialog_color.h"

#include "dialogs/dialog_gradient.h"

#include "app.h"

#include <gtkmm menu.h=""></gtkmm>

#include <gtkmm scale.h=""></gtkmm>

#include <gtkmm toolitem.h=""></gtkmm>

#include <gtkmm toolitemgroup.h=""></gtkmm>

#include <gtkmm toolpalette.h=""></gtkmm>

#include <synfig exception.h=""></synfig>

#include <synfigapp main.h=""></synfigapp>

#include "canvasview.h"

#include "widgets/widget_enum.h"

#include "widgets/widget_distance.h"

#include <gui localization.h=""></gui>

#endif

/* === U S I N G =========================================================== */

using namespace std;

using namespace etl;

using namespace synfig;

using namespace studio;

/* === M A C R O S ========================================================= */

#define DEFAULT_INCREMENT	(0.25)

#define DEFAULT_WIDTH		(synfig::Distance(3,synfig::Distance::SYSTEM_POINTS))

/* === G L O B A L S ======================================================= */

class studio::Widget_Brush : public Gtk::DrawingArea

{

public:

	Widget_Brush()

	{

		add_events(Gdk::BUTTON_PRESS_MASK | Gdk::BUTTON_RELEASE_MASK);

		add_events(Gdk::BUTTON1_MOTION_MASK);

		synfigapp::Main::signal_outline_color_changed().connect(sigc::mem_fun(*this,&studio::Widget_Brush::queue_draw));

		synfigapp::Main::signal_fill_color_changed().connect(sigc::mem_fun(*this,&studio::Widget_Brush::queue_draw));

		synfigapp::Main::signal_bline_width_changed().connect(sigc::mem_fun(*this,&studio::Widget_Brush::queue_draw));

		studio::App::signal_instance_selected().connect(sigc::hide(sigc::mem_fun(*this,&studio::Widget_Brush::queue_draw)));

	}

	bool

	on_draw(const Cairo::RefPtr<cairo::context> &cr)</cairo::context>

	{

		const int h(get_height());

		const int w(get_width());

		float pixelsize(0);

		if(App::get_selected_canvas_view())

		{

			const RendDesc& rend_desc(App::get_selected_canvas_view()->get_canvas()->rend_desc());

			pixelsize=synfigapp::Main::get_bline_width().get(Distance::SYSTEM_PIXELS,rend_desc);

		}

		else

		{

			RendDesc rend_desc;

			pixelsize=synfigapp::Main::get_bline_width().get(Distance::SYSTEM_PIXELS,rend_desc);

		}

		// Fill in the fill color

		render_color_to_window(cr,Gdk::Rectangle(0,0,w,h),synfigapp::Main::get_fill_color());

		// Draw in the circle

		Color brush = App::get_selected_canvas_gamma().get_inverted().apply(

			synfigapp::Main::get_outline_color() );

		cr->set_source_rgba(brush.get_r(), brush.get_g(), brush.get_b(), brush.get_a());

		cr->arc(w/2.0, h/2.0, pixelsize, 0.0, 360*M_PI/180.0);

		cr->fill();

		return true;

	}

	bool

	on_event(GdkEvent *event)

	{

		const int y(static_cast<int>(event->button.y));</int>

		const int h(get_height());

		switch(event->type)

		{

			case GDK_MOTION_NOTIFY:

				break;

			case GDK_BUTTON_RELEASE:

				if(event->button.button==1) // Left click

				{

					Distance dist(synfigapp::Main::get_bline_width());

					if(y

					{

						dist+=DEFAULT_INCREMENT;

					}

					else // Decrease BLine size

					{

						dist-=DEFAULT_INCREMENT;

					}

					synfigapp::Main::set_bline_width(dist);

					return true;

				}

				if(event->button.button==3)

				{

					// right click on bline width

					synfigapp::Main::set_bline_width(DEFAULT_WIDTH);

					return true;

				}

				break;

			case GDK_SCROLL:

				{

					Distance dist(synfigapp::Main::get_bline_width());

					switch(event->scroll.direction){

						case GDK_SCROLL_UP:

						case GDK_SCROLL_RIGHT:

							dist+=DEFAULT_INCREMENT;

							break;

						case GDK_SCROLL_DOWN:

						case GDK_SCROLL_LEFT:

							dist-=DEFAULT_INCREMENT;

							break;

						default:

							break;

					}

					synfigapp::Main::set_bline_width(dist);

					return true;

				}

			default:

				break;

		}

		return false;

	}

};

/* === P R O C E D U R E S ================================================= */

/* === M E T H O D S ======================================================= */

Widget_Defaults::Widget_Defaults()

{

	Gtk::IconSize iconsize = Gtk::IconSize::from_name("synfig-tiny_icon");

	// widget colors: outline color and fill color.

	_widget_colors = manage(new Gtk::Table());

	{

		// widget outline color

		_widget_otln_color = manage(new Widget_Color());

		_widget_otln_color->set_size_request(30, 26);

		_widget_otln_color->signal_clicked().connect(sigc::mem_fun(*this,&Widget_Defaults::on_otln_color_clicked));

		_widget_otln_color->set_tooltip_text(_("Outline Color"));

		// fixed outline color widget size

		Gtk::Alignment *widget_otln_color(manage(new Gtk::Alignment(Gtk::ALIGN_END, Gtk::ALIGN_END, 0.0, 0.0)));

		widget_otln_color->add(*_widget_otln_color);

		// widget fill color

		_widget_fill_color = manage(new Widget_Color());

		_widget_fill_color->set_size_request(30, 26);

		_widget_fill_color->signal_clicked().connect(sigc::mem_fun(*this,&Widget_Defaults::on_fill_color_clicked));

		_widget_fill_color->set_tooltip_text(_("Fill Color"));

		// fixed fill color wiget size

		widget_fill_color = manage(new Gtk::Alignment(Gtk::ALIGN_END, Gtk::ALIGN_END, 0.0, 0.0));

		widget_fill_color->add(*_widget_fill_color);

		Gtk::Image* icon;

		// Swap button

		Gtk::Button* _button_swap(manage(new Gtk::Button()));

		_button_swap->set_relief(Gtk::RELIEF_NONE);

		_button_swap->set_border_width(0);

		icon = manage(new Gtk::Image(Gtk::StockID("synfig-swap_colors"), iconsize));

		_button_swap->add(*icon);

		dynamic_cast<gtk::misc*>(_button_swap->get_child())->set_padding(0, 0);</gtk::misc*>

		_button_swap->signal_clicked().connect(sigc::mem_fun(*this,&Widget_Defaults::on_swap_color_clicked));

		_button_swap->set_tooltip_text(_("Swap Fill and\nOutline Colors"));

		Gtk::Alignment *button_swap(manage(new Gtk::Alignment(Gtk::ALIGN_CENTER, Gtk::ALIGN_CENTER, 0, 0)));

		button_swap->add(*_button_swap);

		// Reset button

		Gtk::Button* _button_reset(manage(new Gtk::Button()));

		_button_reset->set_relief(Gtk::RELIEF_NONE);

		_button_reset->set_border_width(0);

		icon = manage(new Gtk::Image(Gtk::StockID("synfig-reset_colors"), iconsize));

		_button_reset->add(*icon);

		dynamic_cast<gtk::misc*>(_button_reset->get_child())->set_padding(0, 0);</gtk::misc*>

		_button_reset->signal_clicked().connect(sigc::mem_fun(*this,&Widget_Defaults::on_reset_color_clicked));

		_button_reset->set_tooltip_text(_("Reset Colors to Black and White"));

		Gtk::Alignment *button_reset (manage (new Gtk::Alignment(Gtk::ALIGN_CENTER, Gtk::ALIGN_CENTER, 0 ,0)));

		button_reset->add(*_button_reset);

		// ship child widgets together

		_widget_colors->attach(*widget_otln_color,	 0, 8, 0, 7, Gtk::FILL, Gtk::FILL|Gtk::SHRINK, 0, 0);

		_widget_colors->attach(*widget_fill_color,	 3, 11, 3, 10, Gtk::FILL, Gtk::FILL|Gtk::SHRINK, 0, 0);

		_widget_colors->attach(*button_swap, 		 9, 10, 0, 1, Gtk::FILL, Gtk::FILL|Gtk::SHRINK, 0, 0);

		_widget_colors->attach(*button_reset,		 0, 1, 9, 10, Gtk::FILL, Gtk::FILL|Gtk::SHRINK, 0, 0);

		// fixed colors widget size

		widget_colors = manage(new Gtk::Alignment(Gtk::ALIGN_CENTER, Gtk::ALIGN_CENTER, 0.0, 0.0));

		widget_colors->add(*_widget_colors);

	}

	// widget brush

	_widget_brush = manage(new Widget_Brush());

	_widget_brush->set_size_request(56, 48);

	_widget_brush->set_tooltip_text(_("Brush Preview"));

	brush_increase = Gtk::manage(new class Gtk::Button("+"));

	brush_increase->set_tooltip_text(_("Increase brush size"));

	brush_increase->set_relief(Gtk::RELIEF_NONE);

	brush_increase->set_border_width(0);

	brush_increase->signal_clicked().connect(sigc::mem_fun(*this,&studio::Widget_Defaults::on_brush_increase_clicked));

	brush_decrease = Gtk::manage(new class Gtk::Button("-"));

	brush_decrease->set_tooltip_text(_("Decrease brush size"));

	brush_decrease->set_relief(Gtk::RELIEF_NONE);

	brush_decrease->set_border_width(0);

	brush_decrease->signal_clicked().connect(sigc::mem_fun(*this,&studio::Widget_Defaults::on_brush_decrease_clicked));

	brush_entry = Gtk::manage(new class Gtk::Entry());

	brush_entry->set_width_chars(4);

	brush_entry->set_has_frame(false);

	brush_entry->signal_changed().connect(sigc::mem_fun(*this,&studio::Widget_Defaults::on_brush_entry_changed));

	brush_entry->set_tooltip_text(_("Brush Size"));

	Gtk::Table* brush_layout = Gtk::manage(new class Gtk::Table(2, 3, false));

	brush_layout->attach(*_widget_brush, 0, 2, 0, 1, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);

	brush_layout->attach(*brush_decrease, 0, 1, 1, 2, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);

	brush_layout->attach(*brush_increase, 1, 2, 1, 2, Gtk::SHRINK|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 0);

	brush_layout->attach(*brush_entry, 0, 2, 2, 3, Gtk::EXPAND|Gtk::FILL, Gtk::SHRINK|Gtk::FILL, 0, 2);

	brush_layout->show_all();

	// fixed brush widget size

	widget_brush = manage(new Gtk::Alignment(Gtk::ALIGN_CENTER, Gtk::ALIGN_CENTER, 0.0, 0.0));

	widget_brush->add(*brush_layout);

	// widget bline width

	widget_bline_width = manage(new Widget_Distance());

	widget_bline_width->set_parent(*this);

	bline_width_refresh();

	widget_bline_width->set_digits(2);

	widget_bline_width->set_range(0,10000000);

	widget_bline_width->set_width_chars(4);

	//widget_bline_width->set_size_request(48, -1); //mini width of bline width widget, this value also affects mini width of whole default_widgets.

	widget_bline_width->signal_value_changed().connect(sigc::mem_fun(*this,&studio::Widget_Defaults::on_bline_width_changed));

	widget_bline_width->set_tooltip_text(_("Brush Size"));

	// widget blend method

	/*

	* NOTE1: the blend method widget affects the width of whole default_widgets widget,

	* since it requires mini width by it lengest item, "By Layer Default". If it

	* was removed from toolbox as planned, then toolbutton in toolbox will have

	* proper column spacing by default. I will let it as it is, because the toolbox

	* still need more love.

	*

	* NOTE2: Commented out as of 2014-06-24 -- KD.

	*/

	//widget_blend_method = manage(new Widget_Enum());

	//widget_blend_method->signal_changed().connect(sigc::mem_fun(*this,&studio::Widget_Defaults::on_blend_method_changed));

	//widget_blend_method->set_param_desc(

	//	ParamDesc((int)Color::BLEND_COMPOSITE,"blend_method")

	//	.add_enum_value(Color::BLEND_BY_LAYER,"bylayer", _("By Layer Default"))

	//);

	//widget_blend_method->set_tooltip_text(_("Default Blend Method"));

	// widget opacity

	//widget_opacity = manage(new Gtk::HScale(0.0f,1.01f,0.01f));

	//widget_opacity->set_digits(2);

	//widget_opacity->set_value_pos(Gtk::POS_LEFT);

	//widget_opacity->signal_value_changed().connect(sigc::mem_fun(*this,&studio::Widget_Defaults::on_opacity_changed));

	//widget_opacity->set_tooltip_text(_("Default Opacity"));

	//widget_opacity->set_value_pos(Gtk::POS_LEFT);

	// widget gradient

	_widget_gradient = manage(new Widget_Gradient());

	_widget_gradient->signal_clicked().connect(sigc::mem_fun(*this,&studio::Widget_Defaults::on_gradient_clicked));

	_widget_gradient->set_size_request(56, 24);

	_widget_gradient->set_tooltip_text(_("Default Gradient"));

	// fixed gradient widget size

	widget_gradient = manage(new Gtk::Alignment(Gtk::ALIGN_CENTER, Gtk::ALIGN_CENTER, 0.0, 0.0));

	widget_gradient->add(*_widget_gradient);

	// pack all widgets

	{

		// pack colors and gradient widgets

		{

			widget_colors_gradient = manage(new Gtk::VBox(false, 0));

			widget_colors_gradient->pack_start(*widget_colors);

			widget_colors_gradient->pack_start(*widget_gradient);

		}

		//pack_start(*widget_colors_gradient, Gtk::PACK_EXPAND_PADDING, 4);

		//pack_start(*widget_blend_method, Gtk::PACK_EXPAND_PADDING, 4);

		//pack_start(*widget_opacity, Gtk::PACK_EXPAND_PADDING, 4);

		//pack_start(*widget_brush, Gtk::PACK_EXPAND_PADDING, 6);

		// show all widgets

		widget_colors_gradient->show_all();

		//widget_blend_method->show();

		//widget_opacity->show();

		//widget_brush_bline_width->show_all();

		Gtk::ToolItemGroup *tool_item_group = manage(new class Gtk::ToolItemGroup());

		gtk_tool_item_group_set_label(tool_item_group->gobj(), NULL);

		Gtk::ToolPalette *palette = manage(new Gtk::ToolPalette());

		palette->add(*tool_item_group);

		palette->set_expand(*tool_item_group);

		palette->set_exclusive(*tool_item_group, true);

		palette->set_icon_size(Gtk::IconSize::from_name("synfig-small_icon_16x16"));

		palette->set_size_request(100,100);

		palette->show();

		Gtk::ToolItem *tool_item1 = manage(new class Gtk::ToolItem());

		tool_item1->add(*widget_colors_gradient);

		tool_item_group->insert(*tool_item1);

		tool_item1->show();

		Gtk::ToolItem *tool_item2 = manage(new class Gtk::ToolItem());

		tool_item2->add(*widget_brush);

		tool_item_group->insert(*tool_item2);

		tool_item2->show();

		tool_item_group->show_all();

		//Gtk::ScrolledWindow *scrolled_window = manage(new Gtk::ScrolledWindow());

		//scrolled_window->add(*palette);

		//scrolled_window->show();

		//pack_start(*scrolled_window, Gtk::PACK_EXPAND_PADDING, 4);

		pack_start(*palette, Gtk::PACK_EXPAND_WIDGET|Gtk::PACK_SHRINK, 4);

	}

	// Signals

	//synfigapp::Main::signal_opacity_changed().connect(sigc::mem_fun(*this,&studio::Widget_Defaults::opacity_refresh));

	synfigapp::Main::signal_bline_width_changed().connect(sigc::mem_fun(*this,&studio::Widget_Defaults::bline_width_refresh));

	synfigapp::Main::signal_outline_color_changed().connect(sigc::mem_fun(*this,&studio::Widget_Defaults::otln_color_refresh));

	synfigapp::Main::signal_fill_color_changed().connect(sigc::mem_fun(*this,&studio::Widget_Defaults::fill_color_refresh));

	synfigapp::Main::signal_gradient_changed().connect(sigc::mem_fun(*this,&studio::Widget_Defaults::gradient_refresh));

	//synfigapp::Main::signal_blend_method_changed().connect(sigc::mem_fun(*this,&studio::Widget_Defaults::blend_method_refresh));

	otln_color_refresh();

	fill_color_refresh();

	gradient_refresh();

	//blend_method_refresh();

	//opacity_refresh();

}

Widget_Defaults::~Widget_Defaults()

{

}

void

Widget_Defaults::otln_color_refresh()

{

	_widget_otln_color->set_value(synfigapp::Main::get_outline_color());

}

void

Widget_Defaults::fill_color_refresh()

{

	_widget_fill_color->set_value(synfigapp::Main::get_fill_color());

}

void

Widget_Defaults::gradient_refresh()

{

	_widget_gradient->set_value(synfigapp::Main::get_gradient());

}

void

Widget_Defaults::bline_width_refresh()

{

	widget_bline_width->set_value(synfigapp::Main::get_bline_width());

	brush_entry->set_text(widget_bline_width->get_value().get_string(widget_bline_width->get_digits()));

}

/*

void

Widget_Defaults::blend_method_refresh()

{

	widget_blend_method->set_value(synfigapp::Main::get_blend_method());

}

void

Widget_Defaults::opacity_refresh()

{

	widget_opacity->set_value(synfigapp::Main::get_opacity());

}

void

Widget_Defaults::on_opacity_changed()

{

	synfigapp::Main::set_opacity(widget_opacity->get_value());

}

void

Widget_Defaults::on_blend_method_changed()

{

	synfigapp::Main::set_blend_method(Color::BlendMethod(widget_blend_method->get_value()));

}

*/

void

Widget_Defaults::on_bline_width_changed()

{

	synfigapp::Main::set_bline_width(widget_bline_width->get_value());

}

void

Widget_Defaults::on_brush_entry_changed()

{

	synfig::Distance distance(synfigapp::Main::get_bline_width());

	distance = synfig::String(brush_entry->get_text());

	synfigapp::Main::set_bline_width(distance);

}

void

Widget_Defaults::on_brush_increase_clicked()

{

	synfig::Distance distance(synfigapp::Main::get_bline_width());

	distance+=1;

	synfigapp::Main::set_bline_width(distance);

}

void

Widget_Defaults::on_brush_decrease_clicked()

{

	synfig::Distance distance(synfigapp::Main::get_bline_width());

	distance-=1;

	synfigapp::Main::set_bline_width(distance);

}

void

Widget_Defaults::on_otln_color_clicked()

{

	// Left click on outline color

	App::dialog_color->reset();

	App::dialog_color->set_color(synfigapp::Main::get_outline_color());

	App::dialog_color->signal_edited().connect(sigc::ptr_fun(synfigapp::Main::set_outline_color));

	App::dialog_color->present();

}

void

Widget_Defaults::on_fill_color_clicked()

{

	// Left click on fill color

	App::dialog_color->reset();

	App::dialog_color->set_color(synfigapp::Main::get_fill_color());

	App::dialog_color->signal_edited().connect(sigc::ptr_fun(synfigapp::Main::set_fill_color));

	App::dialog_color->present();

}

void

Widget_Defaults::on_swap_color_clicked()

{

	synfigapp::Main::color_swap();

}

void

Widget_Defaults::on_reset_color_clicked()

{

	synfigapp::Main::set_fill_color(Color::white());

	synfigapp::Main::set_outline_color(Color::black());

}

void

Widget_Defaults::on_gradient_clicked()

{

	App::dialog_gradient->set_gradient(synfigapp::Main::get_gradient());

	App::dialog_gradient->reset();

	App::dialog_gradient->signal_edited().connect(sigc::ptr_fun(synfigapp::Main::set_gradient));

	App::dialog_gradient->set_default_button_set_sensitive(false);

	App::dialog_gradient->present();

}