#include "../include/xcv_license.h" //PCH

namespace Widgets95
{//-.
//<-'

bool ui::button::_special_handler(int key, int modifiers)
{
	button *c = nullptr; assert(_ui);

	if(key==GLUT_KEY_UP||key==GLUT_KEY_LEFT)
	{		
		c = dynamic_cast<button*>(_ui->_find_prev_control(this));	
	}
	else if(key==GLUT_KEY_DOWN||key==GLUT_KEY_RIGHT)
	{
		c = dynamic_cast<button*>(_ui->_find_next_control(this));	
	}
	else return true;

	if(c) c->activate(); return false;
}

/****************************** WIDGETS_95_Button::mouse_down_handler() **********/

bool ui::button::_mouse_down_handler(int local_x, int local_y)
{
	//EXPERIMENTAL
	//spacebar_mouse_click?
	if(local_x==-1&&e.curr_modifiers) return true; 

	set_int_val(1); return false;
}

/****************************** WIDGETS_95_Button::mouse_up_handler() **********/

bool ui::button::_mouse_up_handler(int local_x, int local_y, bool inside)
{
	if(inside) execute_callback(); 
	
	set_int_val(0); return false;
}

/****************************** WIDGETS_95_Button::mouse_held_down_handler() ******/

bool ui::button::_mouse_held_down_handler(int local_x, int local_y, bool inside)
{
	if(inside!=e.prev_inside) redraw(); return false;
}

/********************************************** WIDGETS_95_Button::draw() **********/

void ui::button::_draw(int toggled)
{
	int press = this==e::get_pressed(); 
	
	//EXPERIMENTAL
	if(press&&e.spacebar_is_down&&e.curr_modifiers)
	press = 0;

	if(toggled!=-1) //2022: style_hide?
	if(press||toggled) //draw_pressed()
	{			
		//NOTE: This NEW look matches the 
		//scrollbar buttons.
		//window::draw_color(0);
		//window::draw_border_rect(0,0,w,h,0xFF); //double black border
		window::draw_color(128);
		window::draw_border_rect(0,0,_w,_h,0xF);
	}
	else window::draw_raised_rect(0,0,_w,_h);
	
	//draw_text(int press)
	{	
		if(!window::draw_pic(_picture,_w/2,_h/2)) //+press
		{	
			int x=0, w = _w;			
			if(control*ch=first_child())
			{
				if(!ch->_hidden)
				{
					x+=_x_lr; w-=x+_x_rl;
				}
				for(;ch;ch=ch->next())
				{
					if(!ch->_hidden)
					{
						w-=ch->_w;
						if(left==ch->_alignment)
						x = ch->area<right>()-_x_abs;
					}
				}
			}

			//I have no clue how to calculate this.
			int y = (_h-_font.height)/2+2;
			
			draw_name(x+std::max(w-name_span(),0)/2,y+press);
		}

		if(this==e::get_active())
		{
			//REMINDER: This tweak is concerned with label spacing
			//and collision with the stippled border.
			window::draw_active_rect(3-press,3-press,_w-3+press,_h-3+press,press);			
		}
	}
}

/************************************** WIDGETS_95_Button::update_area() **********/

void ui::button::_update_area(int add)
{
	if(int name_w=name_span())	
	{
		enum{ lineup=20 };
		name_w+=lineup;
		name_w = lineup*int(name_w/(float)lineup+0.5f);

		//HACK: This is out-of-order.
		for(control*ch=first_child();ch;ch=ch->next())
		{
			if(!ch->_hidden) name_w+=ch->_w;
		}
		_w = std::max(_w,name_w+lineup/2+add);
	}

	if(_alignment) //YUCK
	{
		if(_w%2==0) _w++; //Odds squares focus rect.	
	}
}

//---.
}//<-'