/*
*    widgets.c
*
*    Copyright (C) 2007  Pau Espin Pedrol (Sharwin_F) <pespin@espeweb.no-ip.com>
*
*    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 3 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; without even the implied warranty of
*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*    GNU General Public License for more details.
*
*    You should have received a copy of the GNU General Public License
*    along with this program.  If not, see <http://www.gnu.org/licenses/>
*/

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <gtk/gtk.h>
#include "events.h"

GtkWidget *top_window_crea(int amplada, int altura, int border, const char* titol, bool main_widget)
{
	
	GtkWidget *window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
	
	gtk_container_set_border_width (GTK_CONTAINER (window), border);
	gtk_widget_set_size_request (GTK_WIDGET (window), amplada, altura);
	gtk_window_set_title(GTK_WINDOW (window), titol);
	
	if(main_widget)
		g_signal_connect( G_OBJECT (window), "delete_event", G_CALLBACK (gtk_main_quit), NULL );
	else
		g_signal_connect( G_OBJECT (window), "delete_event", G_CALLBACK (gtk_widget_destroy), window );
	
	gtk_widget_show(window);
	
return window;	
}

GtkWidget *notebook_crea(GtkWidget *parent)
{
	
	GtkWidget *notebook = gtk_notebook_new();	
	gtk_notebook_set_tab_pos( GTK_NOTEBOOK (notebook), GTK_POS_TOP );
	gtk_container_add(GTK_CONTAINER(parent), notebook);
	
	gtk_notebook_set_show_tabs ( GTK_NOTEBOOK (notebook), TRUE );
	gtk_notebook_set_show_border ( GTK_NOTEBOOK (notebook), TRUE);
	return notebook;
	
}

GtkWidget *notebook_hbox_crea(GtkWidget *parent) {

	GtkWidget *box = gtk_hbox_new(0,1);
	gtk_container_add(GTK_CONTAINER(parent), box);
	gtk_widget_show(box);
	gtk_container_set_border_width (GTK_CONTAINER (box), 10);
	
	return box;
}

GtkWidget *notebook_vbox_crea(GtkWidget *parent) {

	GtkWidget *box = gtk_vbox_new(0,1);
	gtk_container_add(GTK_CONTAINER(parent), box);
	gtk_widget_show(box);
	
	return box;
}

GtkWidget *alert(const char *titol, char *text, int error)
{
	char* str_pt = (char*) malloc( strlen(text) + strlen(strerror(error)) + 1 );
	
	GtkWidget *txtspace, *vbox, *button, *window;
	
	window = top_window_crea(500,140, 1, titol, FALSE);
	
		vbox = gtk_vbox_new(1, 0);
		gtk_container_add(GTK_CONTAINER(window), vbox);
		gtk_widget_show(vbox);
	
			if(str_pt!=NULL) {		
				sprintf( str_pt, text);
				strcat( str_pt, strerror(error));
			
			txtspace = gtk_label_new(str_pt);
			} else
				txtspace = gtk_label_new("Error greu. No s'ha pogut especificar espai en memoria suficient per a esccriure l'error.");
			
			gtk_box_pack_start(GTK_BOX (vbox), txtspace, FALSE, FALSE, 0 );
			gtk_widget_show(txtspace);
			
				button = gtk_button_new_with_label("D'acord");
				gtk_box_pack_start (GTK_BOX (vbox), button, TRUE, TRUE, 0);
				gtk_widget_show(button);
				g_signal_connect_swapped(G_OBJECT (button), "clicked", G_CALLBACK (gtk_widget_destroy), G_OBJECT (window));
	
	
	free(str_pt);
	
	return window;
	
}

GtkWidget *textview_scrolled_crea(GtkWidget *parent, gchar *str){
	
	//creem scroll
	GtkWidget *scroll = gtk_scrolled_window_new(NULL, NULL);
	gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scroll), GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
	gtk_box_pack_start (GTK_BOX (parent), scroll, TRUE, TRUE, 0);
	gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW (scroll), GTK_SHADOW_ETCHED_IN);
	gtk_widget_show(scroll);
	
		
		GtkWidget *textview = gtk_text_view_new();
		GtkTextBuffer *buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW (textview) ); 
		
		gtk_text_buffer_set_text (buffer, str, -1);
		
		gtk_container_add(GTK_CONTAINER(scroll), textview);
		gtk_widget_show(textview);
	
	return textview;

}

void notebook_assigna_pagina(GtkNotebook *parent, GtkWidget *pagina, gchar *texttab) 
{
	GtkWidget *tab = gtk_label_new(texttab);
	
	gtk_notebook_append_page( parent, pagina, tab );

	gtk_widget_show( pagina );
	gtk_widget_show( GTK_WIDGET (parent) );
	
}	


GtkWidget *pagina_encrypt_crea(GtkNotebook *parent)
{
	gchar titol[] = "Encriptar";
	GtkWidget *pagina, *input, *output, *action, *button_f, *hbox, *vbox; //generals
	GtkWidget *gfin_path, *gfin_text, *gfout_path, *gfout_text; //entries & textviews
	GtkWidget *radio_in_path, *radio_in_text, *radio_out_path, *radio_out_text; //radio buttons
	GtkWidget *password, *button; //action frame
	
	pagina = gtk_vbox_new(0,1);
	
		//INPUT - frame
		input = gtk_frame_new("Input:");
		 gtk_container_set_border_width (GTK_CONTAINER (input), 20);
		 gtk_frame_set_label_align( GTK_FRAME (input) ,0.0, 0.5 );
		
		gtk_container_add(GTK_CONTAINER(pagina), input);
		gtk_widget_show (input);
		
			vbox = notebook_vbox_crea(input);
				
				hbox = notebook_hbox_crea(vbox);
				
					radio_in_path = gtk_radio_button_new( NULL );
					 gtk_box_pack_start (GTK_BOX (hbox), radio_in_path, FALSE, FALSE, 5);
					 gtk_widget_show (radio_in_path);
					
					gfin_path = gtk_entry_new();
					 gtk_entry_set_text(GTK_ENTRY (gfin_path),"Inserir text pla des d'un fitxer");
					 gtk_box_pack_start (GTK_BOX (hbox), gfin_path, TRUE, TRUE, 0);
					 gtk_widget_show(gfin_path);
					
					button_f = gtk_button_new_with_label("Cercar");
					 gtk_box_pack_start (GTK_BOX (hbox), button_f, FALSE, FALSE, 0);
					 gtk_widget_show(button_f);
					
					g_signal_connect_swapped(button_f, "clicked", G_CALLBACK (filemanager_obre), G_OBJECT (gfin_path) );
			
				hbox = notebook_hbox_crea(vbox);
				
					radio_in_text = gtk_radio_button_new_from_widget( GTK_RADIO_BUTTON (radio_in_path) );
					 gtk_box_pack_start (GTK_BOX (hbox), radio_in_text, FALSE, FALSE, 5);
					 gtk_widget_show (radio_in_text);
					
					gfin_text = textview_scrolled_crea(hbox, "Encriptar aquest text");
			
			
			
		//OUTPUT - frame
		output = gtk_frame_new("Output:");
		 gtk_container_set_border_width (GTK_CONTAINER (output), 20);
		 gtk_frame_set_label_align( GTK_FRAME (output) ,0.0, 0.5 );
		
		gtk_container_add(GTK_CONTAINER(pagina), output);
		gtk_widget_show (output);
		
			vbox = notebook_vbox_crea(output);
			
				hbox = notebook_hbox_crea(vbox);
				
					radio_out_path = gtk_radio_button_new( NULL );
					 gtk_box_pack_start (GTK_BOX (hbox), radio_out_path, FALSE, FALSE, 5);
					 gtk_widget_show (radio_out_path);
					
					gfout_path = gtk_entry_new();
					 gtk_entry_set_text(GTK_ENTRY (gfout_path),"Desar el text encriptat en un fitxer");
					 gtk_box_pack_start (GTK_BOX (hbox), gfout_path, TRUE, TRUE, 0);
					 gtk_widget_show(gfout_path);
					
					
					button_f = gtk_button_new_with_label("Cercar");
					 gtk_box_pack_start (GTK_BOX (hbox), button_f, FALSE, FALSE, 0);
					 gtk_widget_show(button_f);
					
					g_signal_connect_swapped(button_f, "clicked", G_CALLBACK (filemanager_obre), G_OBJECT (gfout_path) );
			
				hbox = notebook_hbox_crea(vbox);
			
					radio_out_text = gtk_radio_button_new_from_widget( GTK_RADIO_BUTTON (radio_out_path) );
					 gtk_box_pack_start (GTK_BOX (hbox), radio_out_text, FALSE, FALSE, 5);
					 gtk_widget_show (radio_out_text);
					
					gfout_text = textview_scrolled_crea(hbox, "Imprimir el text encriptat aqui");	
					
		//ACTION - frame
		action = gtk_frame_new("Contrasenya");
		 gtk_container_set_border_width (GTK_CONTAINER (action), 20);
		 gtk_frame_set_label_align( GTK_FRAME (action) ,0.0, 0.5 );
		 
		 gtk_container_add(GTK_CONTAINER(pagina), action);
		 gtk_widget_show (action);		
			
			hbox = notebook_hbox_crea(action);
			
				password = gtk_entry_new();
				 gtk_entry_set_text(GTK_ENTRY (password),"Inserir la contrasenya");
				 gtk_box_pack_start (GTK_BOX (hbox), password, TRUE, TRUE, 0);
				 gtk_widget_show(password);
				
				button = gtk_button_new_with_label("Encriptar");
				gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0);
				gtk_widget_show(button);
			
			//array de widgets per a passar-los al signal:
			GtkWidget **decrypt_array = g_new(GtkWidget*, 9);
			decrypt_array[0] = radio_in_path;
			decrypt_array[1] = radio_in_text;
			decrypt_array[2] = radio_out_path;
			decrypt_array[3] = radio_out_text;
			decrypt_array[4] = gfin_path;
			decrypt_array[5] = gfin_text;
			decrypt_array[6] = gfout_path;
			decrypt_array[7] = gfout_text; 
			decrypt_array[8] = password; 
					
			g_signal_connect_swapped(button, "clicked", G_CALLBACK (encrypt_process), decrypt_array );
	
	notebook_assigna_pagina(parent, pagina, titol);
	
	return pagina;

}



GtkWidget *pagina_decrypt_crea(GtkNotebook *parent)
{
	gchar titol[] = "Desencriptar";
	GtkWidget *pagina, *input, *output, *action, *button_f, *hbox, *vbox; //generals
	GtkWidget *gfin_path, *gfin_text, *gfout_path, *gfout_text; //entries & textviews
	GtkWidget *radio_in_path, *radio_in_text, *radio_out_path, *radio_out_text; //radio buttons
	GtkWidget *password, *button; //action frame
	
	pagina = gtk_vbox_new(0,1);
	
		//INPUT - frame
		input = gtk_frame_new("Input:");
		 gtk_container_set_border_width (GTK_CONTAINER (input), 20);
		 gtk_frame_set_label_align( GTK_FRAME (input) ,0.0, 0.5 );
		
		gtk_container_add(GTK_CONTAINER(pagina), input);
		gtk_widget_show (input);
		
			vbox = notebook_vbox_crea(input);
				
				hbox = notebook_hbox_crea(vbox);
				
					radio_in_path = gtk_radio_button_new( NULL );
					 gtk_box_pack_start (GTK_BOX (hbox), radio_in_path, FALSE, FALSE, 5);
					 gtk_widget_show (radio_in_path);
					
					gfin_path = gtk_entry_new();
					 gtk_entry_set_text(GTK_ENTRY (gfin_path),"Inserir text encriptat des d'un fitxer");
					 gtk_box_pack_start (GTK_BOX (hbox), gfin_path, TRUE, TRUE, 0);
					 gtk_widget_show(gfin_path);
					
					button_f = gtk_button_new_with_label("Cercar");
					 gtk_box_pack_start (GTK_BOX (hbox), button_f, FALSE, FALSE, 0);
					 gtk_widget_show(button_f);
					
					g_signal_connect_swapped(button_f, "clicked", G_CALLBACK (filemanager_obre), G_OBJECT (gfin_path) );
			
				hbox = notebook_hbox_crea(vbox);
				
					radio_in_text = gtk_radio_button_new_from_widget( GTK_RADIO_BUTTON (radio_in_path) );
					 gtk_box_pack_start (GTK_BOX (hbox), radio_in_text, FALSE, FALSE, 5);
					 gtk_widget_show (radio_in_text);
					
					gfin_text = textview_scrolled_crea(hbox, "Desencriptar aquest text");
			
			
			
		//OUTPUT - frame
		output = gtk_frame_new("Output:");
		 gtk_container_set_border_width (GTK_CONTAINER (output), 20);
		 gtk_frame_set_label_align( GTK_FRAME (output) ,0.0, 0.5 );
		
		gtk_container_add(GTK_CONTAINER(pagina), output);
		gtk_widget_show (output);
		
			vbox = notebook_vbox_crea(output);
			
				hbox = notebook_hbox_crea(vbox);
				
					radio_out_path = gtk_radio_button_new( NULL );
					 gtk_box_pack_start (GTK_BOX (hbox), radio_out_path, FALSE, FALSE, 5);
					 gtk_widget_show (radio_out_path);
					
					gfout_path = gtk_entry_new();
					 gtk_entry_set_text(GTK_ENTRY (gfout_path),"Desar el text pla en un fitxer");
					 gtk_box_pack_start (GTK_BOX (hbox), gfout_path, TRUE, TRUE, 0);
					 gtk_widget_show(gfout_path);
					
					
					button_f = gtk_button_new_with_label("Cercar");
					 gtk_box_pack_start (GTK_BOX (hbox), button_f, FALSE, FALSE, 0);
					 gtk_widget_show(button_f);
					
					g_signal_connect_swapped(button_f, "clicked", G_CALLBACK (filemanager_obre), G_OBJECT (gfout_path) );
			
				hbox = notebook_hbox_crea(vbox);
			
					radio_out_text = gtk_radio_button_new_from_widget( GTK_RADIO_BUTTON (radio_out_path) );
					 gtk_box_pack_start (GTK_BOX (hbox), radio_out_text, FALSE, FALSE, 5);
					 gtk_widget_show (radio_out_text);
					
					gfout_text = textview_scrolled_crea(hbox, "Imprimir el text pla aqui");	
					
		//ACTION - frame
		action = gtk_frame_new("Contrasenya");
		 gtk_container_set_border_width (GTK_CONTAINER (action), 20);
		 gtk_frame_set_label_align( GTK_FRAME (action) ,0.0, 0.5 );
		 
		 gtk_container_add(GTK_CONTAINER(pagina), action);
		 gtk_widget_show (action);		
			
			hbox = notebook_hbox_crea(action);
			
				password = gtk_entry_new();
				 gtk_entry_set_text(GTK_ENTRY (password),"Inserir la contrasenya");
				 gtk_box_pack_start (GTK_BOX (hbox), password, TRUE, TRUE, 0);
				 gtk_widget_show(password);
				
				button = gtk_button_new_with_label("Desencriptar");
				gtk_box_pack_start (GTK_BOX (hbox), button, FALSE, FALSE, 0);
				gtk_widget_show(button);
			
			//array de widgets per a passar-los al signal:
			GtkWidget **decrypt_array = g_new(GtkWidget*, 9);
			decrypt_array[0] = radio_in_path;
			decrypt_array[1] = radio_in_text;
			decrypt_array[2] = radio_out_path;
			decrypt_array[3] = radio_out_text;
			decrypt_array[4] = gfin_path;
			decrypt_array[5] = gfin_text;
			decrypt_array[6] = gfout_path;
			decrypt_array[7] = gfout_text; 
			decrypt_array[8] = password; 
					
			g_signal_connect_swapped(button, "clicked", G_CALLBACK (decrypt_process), decrypt_array );
	
	notebook_assigna_pagina(parent, pagina, titol);
	
	return pagina;

}


GtkWidget *pagina_about_crea(GtkNotebook *parent)
{
	gchar titol[] = "About";
	
	GtkWidget *scroll, *pagina, *frame, *vbox, *label;
	gchar *str;
	
	pagina = gtk_vbox_new(0,1);
	
	scroll = gtk_scrolled_window_new(NULL, NULL);
	gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scroll), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
	gtk_box_pack_start (GTK_BOX (pagina), scroll, TRUE, TRUE, 0);
	gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW (scroll), GTK_SHADOW_ETCHED_IN);
	gtk_widget_show(scroll);
	
	vbox = gtk_vbox_new(0,1);
	gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW (scroll), vbox);
	gtk_widget_show(vbox);
	
	
		frame = gtk_frame_new("MPEP Encryption:");
		 gtk_container_set_border_width (GTK_CONTAINER (frame), 15);
		 gtk_frame_set_label_align( GTK_FRAME (frame) ,0.0, 0.5 );
		
		gtk_container_add(GTK_CONTAINER(vbox), frame);
		gtk_widget_show (frame);
				
				str = "MPEP Encryption és un programa que permet encriptar texts i arxius (en format pla o binari) utiltitzant el seu propi algoritme (mpepencrypt) i desencriptar arxius encriptats amb el mateix algoritme, tot mitjançant una contrasenya.\n\n" \
					"Codi font i SVN:\nhttp://espeweb.no-ip.com/svn/mpep-encryption";
				label= gtk_label_new(str);
				gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
				gtk_container_add(GTK_CONTAINER (frame), label);
				gtk_widget_show(label);
				
		
		frame = gtk_frame_new("Autors:");
		 gtk_container_set_border_width (GTK_CONTAINER (frame), 15);
		 gtk_frame_set_label_align( GTK_FRAME (frame) ,0.0, 0.5 );
		
		gtk_container_add(GTK_CONTAINER(vbox), frame);
		gtk_widget_show (frame);
				
				str = "Pau Espin Pedrol (Sharwin_F)\n pespin@espeweb.no-ip.com\n\n\n" \
					"Marc Espin Pedrol (Spin_555)\n epsilonmajorquezero@gmail.com";
				label = gtk_label_new(str);
				gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
				gtk_container_add(GTK_CONTAINER (frame), label);
				gtk_widget_show(label);		
				
				
		frame = gtk_frame_new("Llicència:");
		 gtk_container_set_border_width (GTK_CONTAINER (frame), 15);
		 gtk_frame_set_label_align( GTK_FRAME (frame) ,0.0, 0.5 );
		
		gtk_container_add(GTK_CONTAINER(vbox), frame);
		gtk_widget_show (frame);
				
				str = "Copyright (C) 2007  Pau Espin Pedrol (Sharwin_F) <pespin@espeweb.no-ip.com>\n\n" \
					"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 3 of the License, or" \
					"(at your option) any later version.\n\n" \
					"This program 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.\n\n" \
					"You should have received a copy of the GNU General Public License" \
					"along with this program.  If not, see <http://www.gnu.org/licenses/>";
				label = gtk_label_new(str);
				gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
				gtk_container_add(GTK_CONTAINER (frame), label);
				gtk_widget_show(label);
				
		notebook_assigna_pagina(parent, pagina, titol);
				
	return pagina;

}