#include "pandora.hpp"


using namespace std;
using namespace net::lliurex::lgi::toolkit::pandora;

/* Helper drawing funcs*/

/**
 * draw a rounded corner square
 **/ 
void draw_round_square(cairo_t * cairo,float x,float y,float width,float height)
{
	float w=3.0f;
	float v=5.0f;
	float rwidth = width - (w*2.0f) - (v*2.0f);
	float rheight = height - (w*2.0f) - (v*2.0f);
	
	//top
	cairo_move_to(cairo,x,y+w+v);
	cairo_curve_to(cairo,x,y+w,x+w,y,x+w+v,y);
	cairo_line_to(cairo,x+w+v+rwidth,y);
	cairo_curve_to(cairo,x+w+v+rwidth+v,y,x+width,y+w,x+width,y+w+v);
	
	//right side
	cairo_line_to(cairo,x+width,y+w+v+rheight);
	
	//bottom
	cairo_curve_to(cairo,x+width,y+w+v+rheight+v,x+w+v+rwidth+w,y+height,x+w+v+rwidth,y+height);
	cairo_line_to(cairo,x+w+v,y+height);
	cairo_curve_to(cairo,x+w,y+height,x,y+w+v+rheight+v,x,y+w+v+rheight);
	
	//left side
	cairo_line_to(cairo,x,y+w+v);
		
}



Button::Button(const char * text,float x,float y)
{
	this->x=x;
	this->y=y;
	
	//provisional size
	this->width=5;
	this->height=5;
	
	this->name="Pandora::Button";
	this->text=string(text);
	
	this->mouse_over=false;
	this->mouse_press=false;
	this->focus=false;
	
}

void Button::Draw(cairo_t * cairo)
{
	cairo_text_extents_t te;
	cairo_font_extents_t fe;
	
	cairo_select_font_face (cairo, "Ubuntu", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
	cairo_set_font_size (cairo, 16.0);
	cairo_text_extents (cairo, text.c_str(), &te);
	cairo_font_extents (cairo, &fe);
	
	width=te.width;
	height=(fe.height);
	width+=20.0f; // 10+10 margins 
	height+=(height*0.8f);
		
	
	if(mouse_over)
		cairo_set_source_rgb(cairo, 1.0, 0.78, 0.19);
	else
		cairo_set_source_rgb(cairo, 0.72, 0.72, 0.72);
	
	draw_round_square(cairo,x,y,width,height);
	cairo_fill(cairo);
	
	cairo_set_source_rgb(cairo, 0.2, 0.2, 0.2);
	cairo_set_line_width (cairo, 2.0);
	draw_round_square(cairo,x,y,width,height);
	cairo_stroke(cairo);
	
	cairo_pattern_t *pat;

	pat = cairo_pattern_create_linear (x, y,x , y+height);
	cairo_pattern_add_color_stop_rgb(pat, 0,1.0,1.0,1.0f);
	cairo_pattern_add_color_stop_rgb(pat, 1,0.0f,0.0f,0.0f);
	cairo_set_source (cairo, pat);
	cairo_set_line_width (cairo, 1.0);
	draw_round_square(cairo,x+1,y+2,width-2,height-1);
	cairo_stroke(cairo);
	cairo_pattern_destroy (pat);
			
	cairo_set_source_rgb (cairo, 0.05, 0.05, 0.05);
	cairo_move_to (cairo, x+((width-te.width)/2.0)+1,y+(height)-((height-fe.height)/2.0)-fe.descent+1);
	cairo_show_text (cairo, text.c_str());
	
	cairo_set_source_rgb (cairo, 0.95, 0.95, 0.95);
	cairo_move_to (cairo, x+((width-te.width)/2.0),y+(height)-((height-fe.height)/2.0)-fe.descent);
	cairo_show_text (cairo, text.c_str());
	
	
}

CheckBox::CheckBox(bool state,float x,float y)
{
	this->x=x;
	this->y=y;
	this->state=state;
	
	this->width=24.0f;
	this->height=24.0f;
	
	this->name="Pandora::CheckBox";
	
	this->mouse_over=false;
	this->mouse_press=false;
	this->focus=false;
}

void CheckBox::Draw(cairo_t * cairo)
{
	cairo_pattern_t *pat;
	
	if(state)
		cairo_set_source_rgb(cairo, 1.0, 0.78, 0.19);
	else
		cairo_set_source_rgb(cairo, 0.72, 0.72, 0.72);
		
	draw_round_square(cairo,x,y,width,height);
	cairo_fill(cairo);
	
	pat = cairo_pattern_create_linear (x, y,x , y+height);
	cairo_pattern_add_color_stop_rgb(pat, 0,1.0,1.0,1.0f);
	cairo_pattern_add_color_stop_rgb(pat, 1,0.0f,0.0f,0.0f);
	cairo_set_source (cairo, pat);
	cairo_set_line_width (cairo, 1.0);
	draw_round_square(cairo,x+1,y+2,width-2,height-1);
	cairo_stroke(cairo);
	cairo_pattern_destroy (pat);
	
	cairo_set_source_rgb(cairo, 0.2, 0.2, 0.2);
	cairo_set_line_width (cairo, 2.0);
	draw_round_square(cairo,x,y,width,height);
	cairo_stroke(cairo);
	
		
}


Label::Label(const char * text,float x,float y)
{
	this->x=x;
	this->y=y;
	
	//provisional size
	this->width=5;
	this->height=5;
	
	this->name="Pandora::Label";
	this->text=string(text);
	
	this->mouse_over=false;
	this->mouse_press=false;
	this->focus=false;
}


void Label::Draw(cairo_t * cairo)
{
	cairo_text_extents_t te;
	cairo_font_extents_t fe;
	
	cairo_select_font_face (cairo, "Ubuntu", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL);
	cairo_set_font_size (cairo, 16.0);
	cairo_text_extents (cairo, text.c_str(), &te);
	cairo_font_extents (cairo, &fe);
	
	width=te.width;
	height=(fe.height);
	width+=20.0f; // 10+10 margins 
	height+=(height*0.8f);
		
	if(mouse_over)
		cairo_set_source_rgb(cairo, 0.95, 0.88, 0.29);
	else
		cairo_set_source_rgb(cairo, 0.95, 0.95, 0.95);
	
	draw_round_square(cairo,x,y,width,height);
	cairo_fill(cairo);
	if(focus)
		cairo_set_source_rgb(cairo, 1.0, 0.78, 0.19);
	else
		cairo_set_source_rgb(cairo, 0.2, 0.2, 0.2);
		
	cairo_set_line_width (cairo, 2.0);
	draw_round_square(cairo,x,y,width,height);
	cairo_stroke(cairo);
	
	cairo_set_source_rgb (cairo, 0.2, 0.2, 0.2);
	cairo_move_to (cairo, x+((width-te.width)/2.0),y+(height)-((height-fe.height)/2.0)-fe.descent);
	cairo_show_text (cairo, text.c_str());
}