diff options
Diffstat (limited to 'chalk/ui/kis_label_progress.cpp')
| -rw-r--r-- | chalk/ui/kis_label_progress.cpp | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/chalk/ui/kis_label_progress.cpp b/chalk/ui/kis_label_progress.cpp new file mode 100644 index 000000000..0caadcbba --- /dev/null +++ b/chalk/ui/kis_label_progress.cpp @@ -0,0 +1,214 @@ +/* + * 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" + |