klayout/src/lay/lay/layProgress.h

102 lines
2.6 KiB
C++

/*
KLayout Layout Viewer
Copyright (C) 2006-2017 Matthias Koefferlein
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef HDR_layProgress
#define HDR_layProgress
#include "layCommon.h"
#include <string>
#include <list>
#include "tlProgress.h"
#include "tlObject.h"
#include "tlTimer.h"
namespace lay
{
class ProgressReporter;
/**
* @brief This interface provides the actual implementation of the progress bar
*/
class LAY_PUBLIC ProgressBar
: public tl::Object
{
public:
virtual ~ProgressBar () { }
virtual void set_progress_can_cancel (bool f) = 0;
virtual void set_progress_text (const std::string &text) = 0;
virtual void set_progress_value (double v, const std::string &value) = 0;
virtual bool progress_wants_widget () const { return false; }
virtual void progress_add_widget (QWidget * /*widget*/) { }
virtual void progress_remove_widget () { }
virtual QWidget *progress_get_widget () const { return 0; }
virtual void show_progress_bar (bool show) = 0;
};
class LAY_PUBLIC ProgressReporter
: public QObject, public tl::ProgressAdaptor
{
public:
ProgressReporter ();
virtual ~ProgressReporter ();
virtual void register_object (tl::Progress *progress);
virtual void unregister_object (tl::Progress *progress);
virtual void trigger (tl::Progress *progress);
virtual void yield (tl::Progress *progress);
virtual bool eventFilter (QObject *dest, QEvent *event);
void signal_break ();
void set_progress_bar (lay::ProgressBar *pb);
bool is_busy () const
{
return !mp_objects.empty ();
}
private:
std::list <tl::Progress *> mp_objects;
tl::Clock m_start_time;
lay::ProgressBar *mp_pb;
bool m_pw_visible;
void process_events ();
void update_and_yield ();
void set_visible (bool vis);
};
/**
* @brief Marks a widget as alive
* "alive" widgets receive input events also while a progress reporter is shown
*/
LAY_PUBLIC void mark_widget_alive (QWidget *w, bool alive);
}
#endif