/* $Id: callbacks.c,v 1.7 2008/10/11 17:49:36 khorben Exp $ */
static char const _copyright[] =
"Copyright (c) 2008 Pierre Pronchery <khorben@defora.org>";
/* This file is part of DeforaOS Desktop Surfer */
static char const _license[] =
"Surfer is free software; you can redistribute it and/or modify it\n"
"under the terms of the GNU General Public License version 2 as\n"
"published by the Free Software Foundation.\n"
"\n"
"Surfer is distributed in the hope that it will be useful, but WITHOUT ANY\n"
"WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS\n"
"FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more\n"
"details.\n"
"\n"
"You should have received a copy of the GNU General Public License along\n"
"with Surfer; if not, write to the Free Software Foundation, Inc., 59 Temple\n"
"Place, Suite 330, Boston, MA  02111-1307  USA\n";



#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "surfer.h"
#include "ghtml.h"
#include "callbacks.h"
#include "../config.h"


/* constants */
static char const * _authors[] =
{
	"Pierre Pronchery <khorben@defora.org>",
	NULL
};


/* window */
gboolean on_closex(GtkWidget * widget, GdkEvent * event, gpointer data)
{
	Surfer * surfer = data;

	if(surfer_cnt == 1)
		gtk_main_quit();
	else
		surfer_delete(surfer);
	return FALSE;
}


/* file menu */
void on_file_close(GtkWidget * widget, gpointer data)
{
	Surfer * surfer = data;

	if(surfer_cnt == 1)
		gtk_main_quit();
	else
		surfer_delete(surfer);
}


void on_file_new_window(GtkWidget * widget, gpointer data)
{
	Surfer * surfer = data;
	char const * url;
	
	url = ghtml_get_location(surfer->view);
	surfer_new(url);
}


void on_file_refresh(GtkWidget * widget, gpointer data)
{
	Surfer * surfer = data;

	ghtml_reload(surfer->view);
}


void on_file_force_refresh(GtkWidget * widget, gpointer data)
{
	Surfer * surfer = data;

	ghtml_refresh(surfer->view);
}


/* edit menu */
void on_edit_preferences(GtkWidget * widget, gpointer data)
{
	/* FIXME implement */
}


/* help menu */
static gboolean _about_on_closex(GtkWidget * widget, GdkEvent * event,
		gpointer data);
#if !GTK_CHECK_VERSION(2, 6, 0)
static void _about_on_close(GtkWidget * widget, gpointer data);
static void _about_on_credits(GtkWidget * widget, gpointer data);
static void _about_on_license(GtkWidget * widget, gpointer data);
#endif
void on_help_about(GtkWidget * widget, gpointer data)
{
	Surfer * surfer = data;
	static GtkWidget * window = NULL;
#if GTK_CHECK_VERSION(2, 6, 0)
	gsize cnt = 65536;
	gchar * buf;

	if(window != NULL)
	{
		gtk_widget_show(window);
		return;
	}
	if((buf = malloc(sizeof(*buf) * cnt)) == NULL)
	{
		surfer_error(surfer, "Memory allocation failed", 0);
		return;
	}
	window = gtk_about_dialog_new();
	gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(
				surfer->window));
	gtk_about_dialog_set_name(GTK_ABOUT_DIALOG(window), PACKAGE);
	gtk_about_dialog_set_version(GTK_ABOUT_DIALOG(window), VERSION);
	gtk_about_dialog_set_authors(GTK_ABOUT_DIALOG(window), _authors);
	gtk_about_dialog_set_copyright(GTK_ABOUT_DIALOG(window), _copyright);
	if(g_file_get_contents("/usr/share/common-licenses/GPL-2", &buf, &cnt,
				NULL) == TRUE)
		gtk_about_dialog_set_license(GTK_ABOUT_DIALOG(window), buf);
	else
		gtk_about_dialog_set_license(GTK_ABOUT_DIALOG(window),
				_license);
	free(buf);
	g_signal_connect(G_OBJECT(window), "delete_event", G_CALLBACK(
				_about_on_closex), NULL);
	g_signal_connect(G_OBJECT(window), "response", G_CALLBACK(
				gtk_widget_hide), NULL);
	gtk_widget_show(window);
}
#else
	GtkWidget * vbox;
	GtkWidget * hbox;
	GtkWidget * button;

	if(window != NULL)
	{
		gtk_widget_show(window);
		return;
	}
	window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
	g_signal_connect(G_OBJECT(window), "delete_event", G_CALLBACK(
				_about_on_closex), NULL);
	gtk_container_set_border_width(GTK_CONTAINER(window), 4);
	gtk_window_set_title(GTK_WINDOW(window), "About " PACKAGE);
	gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(
				surfer->window));
	vbox = gtk_vbox_new(FALSE, 2);
	gtk_box_pack_start(GTK_BOX(vbox), gtk_label_new(PACKAGE " " VERSION),
			FALSE, FALSE, 2);
	gtk_box_pack_start(GTK_BOX(vbox), gtk_label_new(_copyright), FALSE,
			FALSE, 2);
	hbox = gtk_hbox_new(TRUE, 4);
	button = gtk_button_new_with_mnemonic("C_redits");
	g_signal_connect(G_OBJECT(button), "clicked", G_CALLBACK(
				_about_on_credits), window);
	gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, TRUE, 4);
	button = gtk_button_new_with_mnemonic("_License");
	g_signal_connect(G_OBJECT(button), "clicked", G_CALLBACK(
				_about_on_license), window);
	gtk_box_pack_start(GTK_BOX(hbox), button, FALSE, TRUE, 4);
	button = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
	g_signal_connect(G_OBJECT(button), "clicked", G_CALLBACK(
				_about_on_close), window);
	gtk_box_pack_end(GTK_BOX(hbox), button, FALSE, TRUE, 4);
	gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, FALSE, 4);
	gtk_container_add(GTK_CONTAINER(window), vbox);
	gtk_widget_show_all(window);
}
#endif

static gboolean _about_on_closex(GtkWidget * widget, GdkEvent * event,
		gpointer data)
{
	gtk_widget_hide(widget);
	return TRUE;
}

#if !GTK_CHECK_VERSION(2, 6, 0)
static void _about_on_close(GtkWidget * widget, gpointer data)
{
	GtkWidget * window = data;

	gtk_widget_hide(window);
}

static void _about_on_credits(GtkWidget * widget, gpointer data)
{
	static GtkWidget * window = NULL;
	GtkWidget * about = data;
	GtkWidget * vbox;
	GtkWidget * notebook;
	GtkWidget * textview;
	GtkTextBuffer * tbuf;
	GtkTextIter iter;
	GtkWidget * hbox;
	size_t i;

	if(window != NULL)
	{
		gtk_widget_show(window);
		return;
	}
	window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
	gtk_window_set_default_size(GTK_WINDOW(window), 200, 200);
	gtk_container_set_border_width(GTK_CONTAINER(window), 4);
	gtk_window_set_title(GTK_WINDOW(window), "Credits");
	gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(about));
	g_signal_connect(G_OBJECT(window), "delete_event", G_CALLBACK(
				_about_on_closex), NULL);
	vbox = gtk_vbox_new(FALSE, 0);
	textview = gtk_text_view_new();
	gtk_text_view_set_editable(GTK_TEXT_VIEW(textview), FALSE);
	tbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview));
	gtk_text_buffer_set_text(tbuf, "", 0);
	for(i = 0; _authors[i] != NULL; i++)
	{
		gtk_text_buffer_get_end_iter(tbuf, &iter);
		gtk_text_buffer_insert(tbuf, &iter, _authors[i], strlen(
					_authors[i]));
	}
	widget = gtk_scrolled_window_new(NULL, NULL);
	gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(widget),
			GTK_SHADOW_ETCHED_IN);
	gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(widget),
			GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
	gtk_container_add(GTK_CONTAINER(widget), textview);
	notebook = gtk_notebook_new();
	gtk_notebook_append_page(GTK_NOTEBOOK(notebook), widget,
			gtk_label_new("Written by"));
	gtk_box_pack_start(GTK_BOX(vbox), notebook, TRUE, TRUE, 4);
	hbox = gtk_hbox_new(FALSE, 0);
	widget = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
	g_signal_connect(G_OBJECT(widget), "clicked",
			G_CALLBACK(_about_on_close), window);
	gtk_box_pack_end(GTK_BOX(hbox), widget, FALSE, TRUE, 4);
	gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 4);
	gtk_container_add(GTK_CONTAINER(window), vbox);
	gtk_widget_show_all(window);
}

static void _about_on_license(GtkWidget * widget, gpointer data)
{
	static GtkWidget * window = NULL;
	GtkWidget * about = data;
	GtkWidget * vbox;
	GtkWidget * textview;
	GtkTextBuffer * tbuf;
	GtkWidget * hbox;

	if(window != NULL)
	{
		gtk_widget_show(window);
		return;
	}
	window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
	gtk_window_set_default_size(GTK_WINDOW(window), 200, 200);
	gtk_container_set_border_width(GTK_CONTAINER(window), 4);
	gtk_window_set_title(GTK_WINDOW(window), "License");
	gtk_window_set_transient_for(GTK_WINDOW(window), GTK_WINDOW(about));
	g_signal_connect(G_OBJECT(window), "delete_event", G_CALLBACK(
				_about_on_closex), NULL);
	vbox = gtk_vbox_new(FALSE, 0);
	textview = gtk_text_view_new();
	gtk_text_view_set_editable(GTK_TEXT_VIEW(textview), FALSE);
	tbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textview));
	gtk_text_buffer_set_text(tbuf, _license, strlen(_license));
	widget = gtk_scrolled_window_new(NULL, NULL);
	gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(widget),
			GTK_SHADOW_ETCHED_IN);
	gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(widget),
			GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
	gtk_container_add(GTK_CONTAINER(widget), textview);
	gtk_box_pack_start(GTK_BOX(vbox), widget, TRUE, TRUE, 4);
	hbox = gtk_hbox_new(FALSE, 0);
	widget = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
	g_signal_connect(G_OBJECT(widget), "clicked",
			G_CALLBACK(_about_on_close), window);
	gtk_box_pack_end(GTK_BOX(hbox), widget, FALSE, TRUE, 4);
	gtk_box_pack_start(GTK_BOX(vbox), hbox, FALSE, TRUE, 4);
	gtk_container_add(GTK_CONTAINER(window), vbox);
	gtk_widget_show_all(window);
}
#endif


/* toolbar */
void on_back(GtkWidget * widget, gpointer data)
{
	Surfer * surfer = data;

	if(ghtml_go_back(surfer->view) != TRUE)
		gtk_widget_set_sensitive(GTK_WIDGET(surfer->tb_back), FALSE);
}


void on_forward(GtkWidget * widget, gpointer data)
{
	Surfer * surfer = data;

	if(ghtml_go_forward(surfer->view) != TRUE)
		gtk_widget_set_sensitive(GTK_WIDGET(surfer->tb_forward), FALSE);
}


void on_fullscreen(GtkToggleToolButton * button, gpointer data)
{
	Surfer * surfer = data;

	if(gtk_toggle_tool_button_get_active(button))
	{
		gtk_widget_hide(surfer->menubar);
		gtk_window_fullscreen(GTK_WINDOW(surfer->window));
	}
	else
	{
		gtk_widget_show(surfer->menubar);
		gtk_window_unfullscreen(GTK_WINDOW(surfer->window));
	}
}


void on_home(GtkWidget * widget, gpointer data)
{
	Surfer * surfer = data;

	/* FIXME query this from the preferences */
	ghtml_load_url(surfer->view, SURFER_DEFAULT_HOME);
}


void on_path_activate(GtkWidget * widget, gpointer data)
{
	Surfer * surfer = data;
	gchar * url;

	url = gtk_combo_box_get_active_text(GTK_COMBO_BOX(surfer->tb_path));
	ghtml_load_url(surfer->view, url);
	g_free(url);
}


void on_refresh(GtkWidget * widget, gpointer data)
{
	Surfer * surfer = data;

	ghtml_refresh(surfer->view);
}


void on_stop(GtkWidget * widget, gpointer data)
{
	Surfer * surfer = data;

	ghtml_stop(surfer->view);
}