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livetrax/libs/gtkmm2ext/cursors.cc

106 lines
2.4 KiB
C++

/*
Copyright (C) 2014 Paul 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.
*/
#include <sstream>
#include "pbd/gstdio_compat.h"
#include "pbd/error.h"
#include "pbd/compose.h"
#include "gtkmm2ext/cursors.h"
#include "pbd/i18n.h"
using namespace Gtkmm2ext;
CursorInfo::Infos CursorInfo::infos;
CursorInfo::CursorInfo (const std::string& n, int hotspot_x, int hotspot_y)
: name (n)
, x (hotspot_x)
, y (hotspot_y)
{
}
int
CursorInfo::load_cursor_info (const std::string& path)
{
gchar *buf = NULL;
if (!g_file_get_contents (path.c_str(), &buf, NULL, NULL)) {
return -1;
}
std::stringstream infofile (buf);
g_free (buf);
std::string name;
int x;
int y;
bool parse_ok;
int line_number = 1;
do {
parse_ok = false;
infofile >> name;
if (!infofile) {
/* failing here is OK ... EOF */
parse_ok = true;
break;
}
infofile >> x;
if (!infofile) {
break;
}
infofile >> y;
if (!infofile) {
break;
}
parse_ok = true;
line_number++;
infos[name] = new CursorInfo (name, x, y);
} while (true);
if (!parse_ok) {
PBD::error << string_compose (_("cursor hotspots info file %1 has an error on line %2"), path, line_number) << endmsg;
infos.clear ();
return -1;
}
return 0;
}
void
CursorInfo::drop_cursor_info ()
{
infos.clear ();
}
CursorInfo*
CursorInfo::lookup_cursor_info (const std::string& name)
{
Infos::iterator i = infos.find (name);
if (i == infos.end()) {
return 0;
}
return i->second;
}