#include <ClanLib/core.h> // for CL_DomElement#include <ClanLib/display.h>#include <ClanLib/gl.h>#include "listbox_zz.h"#include "stylemanager_zz.h"#include "scrollbar_zz.h"CL_ListBox_ZZ::CL_ListBox_ZZ(	CL_ListBox * listbox,	CL_StyleManager_ZZ * style):	CL_ComponentStyle(listbox),	listbox_(listbox),	style_(style),	resources_(style->get_resources()),    first_paint_(true),    listbox_type_(type_normal){	font_ = new CL_Font("ListBox/font", resources_);    font_->set_color(152.0f / 255, 211.0f / 255, 101.0f / 255);	// Create a vertical scrollbar	scrollbar_ = new CL_ScrollBar(false, listbox);    {        CL_ScrollBar_ZZ * sb_type = (CL_ScrollBar_ZZ*)scrollbar_->get_style();        if (sb_type)            sb_type->set_type(CL_ScrollBar_ZZ::type_listbox);    }	visible_scrollbar_ = true;	int font_height = font_->get_height();	listbox_->set_item_height(font_height);	CL_Component *client_area = listbox_->get_client_area();	slots_.connect(listbox_->sig_set_options(), this, &CL_ListBox_ZZ::on_set_options);	slots_.connect(listbox_->sig_paint(), this, &CL_ListBox_ZZ::on_paint_background);	slots_.connect(client_area->sig_mouse_down(), this, &CL_ListBox_ZZ::on_mouse_down);	slots_.connect(client_area->sig_paint(), this, &CL_ListBox_ZZ::on_paint_listbox);	slots_.connect(listbox_->sig_resize(), this, &CL_ListBox_ZZ::on_resize);	slots_.connect(listbox_->sig_item_added(), this, &CL_ListBox_ZZ::on_item_added);	slots_.connect(listbox_->sig_item_removed(), this, &CL_ListBox_ZZ::on_item_removed);	slots_.connect(listbox_->sig_clear(), this, &CL_ListBox_ZZ::on_clear);	slots_.connect(scrollbar_->sig_value_changed(), this, &CL_ListBox_ZZ::on_scroll_change);	on_resize(0,0);}CL_ListBox_ZZ::~CL_ListBox_ZZ(){    delete font_;    delete scrollbar_;}void CL_ListBox_ZZ::on_paint_background(){    if (first_paint_)    {        if (listbox_->get_count() > 0)        {            if (listbox_->get_current_item() == -1)            {                listbox_->set_current_item(0);            }            listbox_->insert_item("hack");            listbox_->remove_item(listbox_->get_count() - 1);        }        first_paint_ = false;    }	int width = listbox_->get_width();	int height = listbox_->get_height();    // main    CL_Color const clr_background(0, 40, 0, 60);    CL_Rect rc_main = listbox_->get_screen_rect();    style_->fill_rounded_rect(rc_main, clr_background);    // Outline    CL_Color clr_outline(175, 205, 148);    CL_Rect rc_outline = rc_main;    style_->draw_rounded_rect(rc_outline, clr_outline);}void CL_ListBox_ZZ::on_paint_listbox(){	int width = listbox_->get_client_area()->get_width();	int height = listbox_->get_client_area()->get_height();	int offset_x = listbox_->get_client_area()->get_screen_x();	int offset_y = listbox_->get_client_area()->get_screen_y();    if (listbox_type_ == type_normal)    {		CL_Display::push_cliprect(listbox_->get_client_area()->get_screen_rect());		int pos = 0;		int offset = listbox_->get_top_item();        std::vector<CL_ListItem *> items = listbox_->get_items();        std::vector<CL_ListItem *>::iterator it;        font_->set_color(152.0f / 255, 211.0f / 255, 101.0f / 255);        for (it = items.begin(); it != items.end(); ++it, ++pos)        {            if (pos < offset)                continue;                        if (pos == listbox_->get_current_item())            {                CL_Display::fill_rect(                    CL_Rect(offset_x, offset_y + (pos - offset) * font_->get_height(),                    offset_x + width, offset_y + (pos + 1 - offset) * font_->get_height()),                    CL_Color(93, 156, 39));                font_->set_color(255.0f / 255, 255.0f / 255, 255.0f / 255);                font_->draw(                    offset_x + 4,                    offset_y + (pos - offset) * font_->get_height(),                    (*it)->str);                font_->set_color(152.0f / 255, 211.0f / 255, 101.0f / 255);            }            else            {				font_->draw(					offset_x + 4,					offset_y + (pos - offset) * font_->get_height(),					(*it)->str);                                }                        if((pos - offset) * font_->get_height() >= height)                break;        }		CL_Display::pop_cliprect();    }    else    if (listbox_type_ == type_levels_list)    {		CL_Display::push_cliprect(listbox_->get_client_area()->get_screen_rect());		int pos = 0;		int offset = listbox_->get_top_item();        std::vector<CL_ListItem *> items = listbox_->get_items();        std::vector<CL_ListItem *>::iterator it;        for (it = items.begin(); it != items.end(); ++it, ++pos)        {            if (pos < offset)                continue;			CL_ListBoxItem_ZZ * item = (CL_ListBoxItem_ZZ *)(*it);			std::string text;			CL_Color text_color;			if (item->get_solved())			{				text = "(+) " + item->get_levelname();				text_color = CL_Color(211, 211, 101);			}			else			{				text = "(-) " + item->get_levelname();				text_color = CL_Color(152, 211, 101);			}                        if (pos == listbox_->get_current_item())            {                CL_Display::fill_rect(                    CL_Rect(offset_x, offset_y + (pos - offset) * font_->get_height(),                    offset_x + width, offset_y + (pos + 1 - offset) * font_->get_height()),                    CL_Color(93, 156, 39));                font_->set_color(255.0f / 255, 255.0f / 255, 255.0f / 255);                font_->draw(                    offset_x + 4,                    offset_y + (pos - offset) * font_->get_height(),                    text);            }            else            {				font_->set_color(text_color);				font_->draw(					offset_x + 4,					offset_y + (pos - offset) * font_->get_height(),					text);            }                        if((pos - offset) * font_->get_height() >= height)                break;        }		CL_Display::pop_cliprect();    }}void CL_ListBox_ZZ::on_item_added(int index){	update_scrollbar(true);}void CL_ListBox_ZZ::on_item_removed(int index){	update_scrollbar(true);}void CL_ListBox_ZZ::on_clear(){	update_scrollbar(true);}void CL_ListBox_ZZ::on_set_options(const CL_DomElement &options){	if (options.get_attribute("type") == "levels_list")	{		listbox_type_ = type_levels_list;	}}void CL_ListBox_ZZ::on_scroll_change(int new_offset){	listbox_->set_top_item(new_offset);}void CL_ListBox_ZZ::on_mouse_down(const CL_InputEvent &key){	int height_of_all_items = listbox_->get_item_height() * listbox_->get_count();	int height_of_client_area = listbox_->get_client_area()->get_height();	if (	key.id == CL_MOUSE_WHEEL_UP		&&	height_of_all_items > height_of_client_area )	{		listbox_->set_top_item(listbox_->get_top_item() - 5);		update_scrollbar(true);		return;	}	if (	key.id == CL_MOUSE_WHEEL_DOWN		&&	height_of_all_items > height_of_client_area )	{		listbox_->set_top_item(listbox_->get_top_item() + 5);		update_scrollbar(true);		return;	}}void CL_ListBox_ZZ::on_resize(int old_width, int old_height){	// Position the listbox item-box	CL_Rect rect(4, 4, 4 + listbox_->get_width() - 8 , 4 + listbox_->get_height() - 8);	listbox_->get_client_area()->set_position(rect);	update_scrollbar(false);	// Scrollbar was added, shrink clientarea	if(visible_scrollbar_)	{		listbox_->get_client_area()->set_width(listbox_->get_client_area()->get_width() - 16);		// Position the scrollbar		rect = CL_Rect(listbox_->get_width() - 19, 0, listbox_->get_width(), listbox_->get_height());		scrollbar_->set_position(rect);	}}/////////////////////////////////////////////////////////////////////////////// Implementation:void CL_ListBox_ZZ::update_scrollbar(bool resize){		int max_visible_items = (listbox_->get_client_area()->get_height() - 4) / listbox_->get_item_height();	if(listbox_->get_count() > max_visible_items)	{		if(visible_scrollbar_ == false)		{			visible_scrollbar_ = true;			listbox_->add_child(scrollbar_, false);			if(resize)				on_resize(0,0);		}		scrollbar_->set_max_value(listbox_->get_count() - max_visible_items);		scrollbar_->set_value(listbox_->get_top_item());	}	else	{		if(visible_scrollbar_)		{			visible_scrollbar_ = false;			scrollbar_->set_value(0);			listbox_->remove_child(scrollbar_);			if(resize)				on_resize(0,0);		}	}}