label.cpp

/*
   Copyright (C) 2008 - 2015 by Mark de Wever <koraq@xs4all.nl>
   Part of the Battle for Wesnoth Project http://www.wesnoth.org/

   This program 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 program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY.

   See the COPYING file for more details.
*/

#define GETTEXT_DOMAIN "wesnoth-lib"

#include "gui/widgets/label.hpp"

#include "gui/auxiliary/log.hpp"
#include "gui/auxiliary/widget_definition/label.hpp"
#include "gui/auxiliary/window_builder/label.hpp"
#include "gui/dialogs/message.hpp"
#include "gui/widgets/detail/register.tpp"
#include "gui/widgets/settings.hpp"
#include "gui/widgets/window.hpp"

#include "desktop/clipboard.hpp"
#include "desktop/open.hpp"
#include "gettext.hpp"

#include <boost/bind.hpp>
#include <string>
#include <sstream>

namespace gui2
{

REGISTER_WIDGET(label)

tlabel::tlabel()
		: tcontrol(COUNT)
		, state_(ENABLED)
		, can_wrap_(false)
		, characters_per_line_(0)
		, link_aware_(false)
		, link_color_("#ffff00")
{
	connect_signal<event::LEFT_BUTTON_CLICK>(boost::bind(&tlabel::signal_handler_left_button_click, this, _2, _3));
	connect_signal<event::RIGHT_BUTTON_CLICK>(boost::bind(&tlabel::signal_handler_right_button_click, this, _2, _3));
}

bool tlabel::can_wrap() const
{
	return can_wrap_ || characters_per_line_ != 0;
}

unsigned tlabel::get_characters_per_line() const
{
	return characters_per_line_;
}

bool tlabel::get_link_aware() const
{
	return link_aware_;
}

std::string tlabel::get_link_color() const
{
	return link_color_;
}

void tlabel::set_active(const bool active)
{
	if(get_active() != active) {
		set_state(active ? ENABLED : DISABLED);
	}
}

bool tlabel::get_active() const
{
	return state_ != DISABLED;
}

unsigned tlabel::get_state() const
{
	return state_;
}

bool tlabel::disable_click_dismiss() const
{
	return false;
}

void tlabel::set_characters_per_line(const unsigned characters_per_line)
{
	characters_per_line_ = characters_per_line;
}

void tlabel::set_link_aware(bool link_aware)
{
	if(link_aware == link_aware_) {
		return;
	}

	link_aware_ = link_aware;
	update_canvas();
	set_is_dirty(true);
}

void tlabel::set_link_color(const std::string & color)
{
	if(color == link_color_) {
		return;
	}
	link_color_ = color;
	update_canvas();
	set_is_dirty(true);
}

void tlabel::set_state(const tstate state)
{
	if(state != state_) {
		state_ = state;
		set_is_dirty(true);
	}
}

const std::string& tlabel::get_control_type() const
{
	static const std::string type = "label";
	return type;
}

void tlabel::load_config_extra()
{
	assert(config());

	boost::intrusive_ptr<const tlabel_definition::tresolution>
	conf = boost::dynamic_pointer_cast<const tlabel_definition::tresolution>(
			config());

	assert(conf);

	set_link_aware(conf->link_aware);
	set_link_color(conf->link_color);
}


void tlabel::signal_handler_left_button_click(const event::tevent /* event */, bool & handled)
{
	DBG_GUI_E << "label click" << std::endl;

	if (!get_link_aware()) {
		return; // without marking event as "handled".
	}

	if (!desktop::open_object_is_supported()) {
		gui2::show_message(get_window()->video(), "", _("Opening links is not supported, contact your packager"), gui2::tmessage::auto_close);
		handled = true;
		return;
	}


	tpoint mouse = get_mouse_position();

	mouse.x -= get_x();
	mouse.y -= get_y();

	std::string link = get_label_link(mouse);

	if (link.length() == 0) {
		return ; // without marking event as "handled"
	}

	DBG_GUI_E << "Clicked Link:\"" << link << "\"\n";

	const int res = gui2::show_message(get_window()->video(), _("Confirm"), _("Do you want to open this link?") + std::string("\n\n") + link, gui2::tmessage::yes_no_buttons);
	if(res == gui2::twindow::OK) {
		desktop::open_object(link);
	}

	handled = true;
}

void tlabel::signal_handler_right_button_click(const event::tevent /* event */, bool & handled)
{
	DBG_GUI_E << "label right click" << std::endl;

	if (!get_link_aware()) {
		return ; // without marking event as "handled".
	}

	tpoint mouse = get_mouse_position();

	mouse.x -= get_x();
	mouse.y -= get_y();

	std::string link = get_label_link(mouse);

	if (link.length() == 0) {
		return ; // without marking event as "handled"
	}

	DBG_GUI_E << "Right Clicked Link:\"" << link << "\"\n";

	desktop::clipboard::copy_to_clipboard(link, false);

	gui2::show_message(get_window()->video(), "", _("Copied link!"), gui2::tmessage::auto_close);

	handled = true;
}

} // namespace gui2