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/*
Copyright (C) 1999 Paul Barton-Davis
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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id$
*/
#include <string>
#include <fstream>
#include <gtkmm2ext/textviewer.h>
#include "i18n.h"
using namespace std;
using namespace Gtkmm2ext;
using namespace sigc;
TextViewer::TextViewer (size_t xsize, size_t ysize) :
Gtk::Window (Gtk::WINDOW_TOPLEVEL),
Transmitter (Transmitter::Info), /* channel arg is irrelevant */
dismiss (_("Close"))
{
set_size_request (xsize, ysize);
set_title ("Text Viewer");
set_name ("TextViewer");
set_resizable (true);
set_border_width (0);
vbox1.set_homogeneous (false);
vbox1.set_spacing (0);
add (vbox1);
vbox1.show ();
vbox2.set_homogeneous (false);
vbox2.set_spacing (10);
//vbox2.set_border_width (10);
vbox1.pack_start (vbox2, true, true, 0);
vbox2.show ();
vbox2.pack_start (scrollwin, TRUE, TRUE, 0);
scrollwin.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_ALWAYS);
scrollwin.show ();
etext.set_editable (false);
etext.set_wrap_mode (Gtk::WRAP_WORD);
scrollwin.add (etext);
etext.show ();
vbox1.pack_start (dismiss, false, false, 0);
dismiss.show ();
dismiss.signal_clicked().connect(mem_fun (*this, &TextViewer::signal_released_handler));
}
void
TextViewer::signal_released_handler()
{
hide();
}
void
TextViewer::insert_file (const string &path)
{
char buf[1024];
ifstream f (path.c_str());
if (!f) {
return;
}
Glib::RefPtr<Gtk::TextBuffer> tb (etext.get_buffer());
tb->begin_user_action();
while (f) {
f.read (buf, sizeof (buf));
if (f.gcount()) {
buf[f.gcount()] = '\0';
string foo (buf);
tb->insert (tb->end(), foo);
}
}
tb->end_user_action();
}
void
TextViewer::scroll_to_bottom ()
{
Gtk::Adjustment *adj;
adj = scrollwin.get_vadjustment();
adj->set_value (MAX(0,(adj->get_upper() - adj->get_page_size())));
}
void
TextViewer::deliver ()
{
char buf[1024];
Glib::RefPtr<Gtk::TextBuffer> tb (etext.get_buffer());
while (!eof()) {
read (buf, sizeof (buf));
buf[gcount()] = '\0';
string foo (buf);
tb->insert (tb->end(), foo);
}
scroll_to_bottom ();
clear ();
}
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