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/*
* Copyright (c) 2002 Patrick Julien <freak@codepimps.org>
* 2004 Adrian Page <adrian@pagenet.plus.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 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <tqlayout.h>
#include <tqtooltip.h>
#include <tqtoolbutton.h>
#include <tqcursor.h>
#include <tqeventloop.h>
#include <kdebug.h>
#include <tdeapplication.h>
#include <tdelocale.h>
#include <kprogress.h>
#include <kiconloader.h>
#include "kis_progress_subject.h"
#include "kis_label_progress.h"
#include "kis_cursor.h"
class EscapeButton : public TQToolButton {
public:
EscapeButton(TQWidget * parent, const char * name) : TQToolButton(parent, name) {};
void keyReleaseEvent(TQKeyEvent *e)
{
if (e->key()==TQt::Key_Escape)
emit clicked();
}
};
KisLabelProgress::KisLabelProgress(TQWidget *parent, const char *name, WFlags f) : super(parent, name, f)
{
m_subject = 0;
m_modal = false;
TQHBoxLayout *box = new TQHBoxLayout(this);
box->setAutoAdd(true);
TQIconSet cancelIconSet = SmallIconSet("process-stop");
m_cancelButton = new EscapeButton(this, "cancel_button");
m_cancelButton->setIconSet(cancelIconSet);
TQToolTip::add(m_cancelButton, i18n("Cancel"));
connect(m_cancelButton, TQT_SIGNAL(clicked()), this, TQT_SLOT(cancelPressed()));
m_bar = new KProgress(100, this);
}
KisLabelProgress::~KisLabelProgress()
{
}
void KisLabelProgress::setSubject(KisProgressSubject *subject, bool modal, bool canCancel)
{
reset();
if (subject) {
m_subject = subject;
m_modal = modal;
connect(subject, TQT_SIGNAL(notifyProgress(int)), this, TQT_SLOT(update(int)));
connect(subject, TQT_SIGNAL(notifyProgressStage(const TQString&, int)), this, TQT_SLOT(updateStage(const TQString&, int)));
connect(subject, TQT_SIGNAL(notifyProgressDone()), this, TQT_SLOT(done()));
connect(subject, TQT_SIGNAL(notifyProgressError()), this, TQT_SLOT(error()));
connect(subject, TQT_SIGNAL(destroyed()), this, TQT_SLOT(subjectDestroyed()));
show();
if (canCancel) {
if (modal) {
kdDebug() << "grabbing 1\n";
m_cancelButton->grabMouse();
m_cancelButton->grabKeyboard();
}
}
else {
m_cancelButton->hide();
if (modal) {
// Only visible widgets can grab.
kdDebug() << "grabbing 2\n";
grabMouse();
grabKeyboard();
}
}
if (modal) {
TQApplication::setOverrideCursor(KisCursor::waitCursor());
}
m_bar->setValue(0);
}
}
bool KisLabelProgress::event(TQEvent * e)
{
if (!e) return false;
int type = e->type();
switch (type) {
case(KisProgress::ProgressEventBase + 1):
{
KisProgress::UpdateEvent * ue = dynamic_cast<KisProgress::UpdateEvent*>(e);
update(ue->m_percent);
break;
}
case(KisProgress::ProgressEventBase + 2):
{
KisProgress::UpdateStageEvent * use = dynamic_cast<KisProgress::UpdateStageEvent*>(e);
updateStage(use->m_stage, use->m_percent);
break;
}
case(KisProgress::ProgressEventBase + 3):
done();
break;
case(KisProgress::ProgressEventBase + 4):
error();
break;
case(KisProgress::ProgressEventBase + 5):
subjectDestroyed();
break;
default:
return TQLabel::event(e);
};
return true;
}
void KisLabelProgress::reset()
{
if (m_subject) {
m_subject->disconnect(this);
m_subject = 0;
if (m_modal) {
TQApplication::restoreOverrideCursor();
}
m_modal = false;
}
releaseMouse();
releaseKeyboard();
m_cancelButton->releaseMouse();
m_cancelButton->releaseKeyboard();
hide();
}
void KisLabelProgress::update(int percent)
{
m_bar->setValue(percent);
TDEApplication *app = TDEApplication::kApplication();
app->processEvents();
// The following is safer, but makes cancel impossible:
//TQApplication::eventLoop()->processEvents(TQEventLoop::ExcludeUserInput |
// TQEventLoop::ExcludeSocketNotifiers);
}
void KisLabelProgress::updateStage(const TQString&, int percent)
{
m_bar->setValue(percent);
TDEApplication *app = TDEApplication::kApplication();
Q_ASSERT(app);
app->processEvents();
}
void KisLabelProgress::cancelPressed()
{
if (m_subject) {
m_subject->cancel();
reset();
}
}
void KisLabelProgress::subjectDestroyed()
{
reset();
}
void KisLabelProgress::done()
{
reset();
}
void KisLabelProgress::error()
{
reset();
}
#include "kis_label_progress.moc"
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