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Diffstat (limited to 'src/libs/dialogs/ctrlpaneldlg.cpp')
| -rw-r--r-- | src/libs/dialogs/ctrlpaneldlg.cpp | 445 |
1 files changed, 445 insertions, 0 deletions
diff --git a/src/libs/dialogs/ctrlpaneldlg.cpp b/src/libs/dialogs/ctrlpaneldlg.cpp new file mode 100644 index 00000000..450d380f --- /dev/null +++ b/src/libs/dialogs/ctrlpaneldlg.cpp @@ -0,0 +1,445 @@ +/* ============================================================ + * + * This file is a part of digiKam project + * http://www.digikam.org + * + * Date : 2005-05-07 + * Description : A threaded filter control panel dialog for + * image editor plugins using DImg + * + * Copyright (C) 2005-2007 by Gilles Caulier <caulier dot gilles at gmail dot 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, 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. + * + * ============================================================ */ + +// TQt includes. + +#include <tqvgroupbox.h> +#include <tqlabel.h> +#include <tqpushbutton.h> +#include <tqwhatsthis.h> +#include <tqtooltip.h> +#include <tqlayout.h> +#include <tqframe.h> +#include <tqtimer.h> + +// KDE includes. + +#include <kcursor.h> +#include <tdelocale.h> +#include <tdeaboutdata.h> +#include <khelpmenu.h> +#include <kiconloader.h> +#include <tdeapplication.h> +#include <tdepopupmenu.h> +#include <kstandarddirs.h> +#include <tdeglobalsettings.h> + +// Local includes. + +#include "ddebug.h" +#include "dimgthreadedfilter.h" +#include "dimginterface.h" +#include "ctrlpaneldlg.h" +#include "ctrlpaneldlg.moc" + +namespace Digikam +{ + +class CtrlPanelDlgPriv +{ +public: + + enum RunningMode + { + NoneRendering=0, + PreviewRendering, + FinalRendering + }; + + CtrlPanelDlgPriv() + { + parent = 0; + timer = 0; + aboutData = 0; + progressBar = true; + tryAction = false; + currentRenderingMode = NoneRendering; + } + + bool tryAction; + bool progressBar; + + int currentRenderingMode; + + TQWidget *parent; + + TQTimer *timer; + + TQString name; + + TDEAboutData *aboutData; +}; + +CtrlPanelDlg::CtrlPanelDlg(TQWidget* parent, TQString title, TQString name, + bool loadFileSettings, bool tryAction, bool progressBar, + int separateViewMode, TQFrame* bannerFrame) + : KDialogBase(Plain, 0, + Help|Default|User1|User2|User3|Try|Ok|Cancel, Ok, + parent, 0, true, true, + i18n("&Abort"), + i18n("&Save As..."), + i18n("&Load...")) +{ + kapp->setOverrideCursor( KCursor::waitCursor() ); + setCaption(DImgInterface::defaultInterface()->getImageFileName() + TQString(" - ") + title); + + d = new CtrlPanelDlgPriv; + d->parent = parent; + d->name = name; + d->tryAction = tryAction; + d->progressBar = progressBar; + m_threadedFilter = 0; + TQString whatsThis; + + setButtonWhatsThis ( Default, i18n("<p>Reset all filter parameters to their default values.") ); + setButtonWhatsThis ( User1, i18n("<p>Abort the current image rendering.") ); + setButtonWhatsThis ( User3, i18n("<p>Load all filter parameters from settings text file.") ); + setButtonWhatsThis ( User2, i18n("<p>Save all filter parameters to settings text file.") ); + showButton(User2, loadFileSettings); + showButton(User3, loadFileSettings); + showButton(Try, tryAction); + + // disable Abort button on startup + enableButton(User1, false); + + resize(configDialogSize(name + TQString(" Tool Dialog"))); + TQVBoxLayout *topLayout = new TQVBoxLayout( plainPage(), 0, spacingHint()); + + // ------------------------------------------------------------- + + if (bannerFrame) + { + bannerFrame->reparent( plainPage(), TQPoint(0, 0) ); + topLayout->addWidget(bannerFrame); + } + + // ------------------------------------------------------------- + + m_imagePreviewWidget = new ImagePannelWidget(470, 350, name + TQString(" Tool Dialog"), + plainPage(), separateViewMode); + topLayout->addWidget(m_imagePreviewWidget); + + // ------------------------------------------------------------- + + TQTimer::singleShot(0, this, TQ_SLOT(slotInit())); + kapp->restoreOverrideCursor(); +} + +CtrlPanelDlg::~CtrlPanelDlg() +{ + if (d->aboutData) + delete d->aboutData; + + if (d->timer) + delete d->timer; + + if (m_threadedFilter) + delete m_threadedFilter; + + delete d; +} + +void CtrlPanelDlg::slotInit() +{ + // Reset values to defaults. + TQTimer::singleShot(0, this, TQ_SLOT(readUserSettings())); + + if (!d->tryAction) + { + connect(m_imagePreviewWidget, TQ_SIGNAL(signalOriginalClipFocusChanged()), + this, TQ_SLOT(slotFocusChanged())); + } + else + { + connect(m_imagePreviewWidget, TQ_SIGNAL(signalResized()), + this, TQ_SLOT(slotFocusChanged())); + } +} + +void CtrlPanelDlg::setAboutData(TDEAboutData *about) +{ + d->aboutData = about; + TQPushButton *helpButton = actionButton( Help ); + KHelpMenu* helpMenu = new KHelpMenu(this, d->aboutData, false); + helpMenu->menu()->removeItemAt(0); + helpMenu->menu()->insertItem(i18n("digiKam Handbook"), this, TQ_SLOT(slotHelp()), 0, -1, 0); + helpButton->setPopup( helpMenu->menu() ); +} + +void CtrlPanelDlg::abortPreview() +{ + d->currentRenderingMode = CtrlPanelDlgPriv::NoneRendering; + m_imagePreviewWidget->setProgress(0); + m_imagePreviewWidget->setPreviewImageWaitCursor(false); + m_imagePreviewWidget->setEnable(true); + m_imagePreviewWidget->setProgressVisible(false); + enableButton(Ok, true); + enableButton(User1, false); + enableButton(User2, true); + enableButton(User3, true); + enableButton(Try, true); + enableButton(Default, true); + renderingFinished(); +} + +void CtrlPanelDlg::slotTry() +{ + slotEffect(); +} + +void CtrlPanelDlg::slotUser1() +{ + if (d->currentRenderingMode != CtrlPanelDlgPriv::NoneRendering) + if (m_threadedFilter) + m_threadedFilter->stopComputation(); +} + +void CtrlPanelDlg::slotDefault() +{ + resetValues(); + slotEffect(); +} + +void CtrlPanelDlg::slotCancel() +{ + if (d->currentRenderingMode != CtrlPanelDlgPriv::NoneRendering) + { + if (m_threadedFilter) + m_threadedFilter->stopComputation(); + + kapp->restoreOverrideCursor(); + } + + saveDialogSize(d->name + TQString(" Tool Dialog")); + done(Cancel); +} + +void CtrlPanelDlg::closeEvent(TQCloseEvent *e) +{ + if (d->currentRenderingMode != CtrlPanelDlgPriv::NoneRendering) + { + if (m_threadedFilter) + m_threadedFilter->stopComputation(); + + kapp->restoreOverrideCursor(); + } + + saveDialogSize(d->name + TQString(" Tool Dialog")); + e->accept(); +} + +void CtrlPanelDlg::slotFocusChanged(void) +{ + if (d->currentRenderingMode == CtrlPanelDlgPriv::FinalRendering) + { + m_imagePreviewWidget->update(); + return; + } + else if (d->currentRenderingMode == CtrlPanelDlgPriv::PreviewRendering) + { + if (m_threadedFilter) + m_threadedFilter->stopComputation(); + } + + TQTimer::singleShot(0, this, TQ_SLOT(slotEffect())); +} + +void CtrlPanelDlg::slotHelp() +{ + // If setAboutData() is called by plugin, well DigikamImagePlugins help is lauched, + // else digiKam help. In this case, setHelp() method must be used to set anchor and handbook name. + + if (d->aboutData) + TDEApplication::kApplication()->invokeHelp(d->name, "digikam"); + else + KDialogBase::slotHelp(); +} + +void CtrlPanelDlg::slotTimer() +{ + if (d->timer) + { + d->timer->stop(); + delete d->timer; + } + + d->timer = new TQTimer( this ); + connect( d->timer, TQ_SIGNAL(timeout()), + this, TQ_SLOT(slotEffect()) ); + d->timer->start(500, true); +} + +void CtrlPanelDlg::slotEffect() +{ + // Computation already in process. + if (d->currentRenderingMode != CtrlPanelDlgPriv::NoneRendering) + return; + + d->currentRenderingMode = CtrlPanelDlgPriv::PreviewRendering; + DDebug() << "Preview " << d->name << " started..." << endl; + + m_imagePreviewWidget->setEnable(false); + m_imagePreviewWidget->setProgressVisible(true); + enableButton(Ok, false); + enableButton(User1, true); + enableButton(User2, false); + enableButton(User3, false); + enableButton(Try, false); + enableButton(Default, false); + m_imagePreviewWidget->setPreviewImageWaitCursor(true); + m_imagePreviewWidget->setProgress(0); + + if (m_threadedFilter) + { + delete m_threadedFilter; + m_threadedFilter = 0; + } + + prepareEffect(); +} + +void CtrlPanelDlg::slotOk() +{ + d->currentRenderingMode = CtrlPanelDlgPriv::FinalRendering; + DDebug() << "Final " << d->name << " started..." << endl; + saveDialogSize(d->name + TQString(" Tool Dialog")); + writeUserSettings(); + + m_imagePreviewWidget->setEnable(false); + m_imagePreviewWidget->setProgressVisible(true); + enableButton(Ok, false); + enableButton(User1, false); + enableButton(User2, false); + enableButton(User3, false); + enableButton(Try, false); + enableButton(Default, false); + kapp->setOverrideCursor( KCursor::waitCursor() ); + m_imagePreviewWidget->setProgress(0); + + if (m_threadedFilter) + { + delete m_threadedFilter; + m_threadedFilter = 0; + } + + prepareFinal(); +} + +void CtrlPanelDlg::customEvent(TQCustomEvent *event) +{ + if (!event) return; + + DImgThreadedFilter::EventData *ed = (DImgThreadedFilter::EventData*) event->data(); + + if (!ed) return; + + if (ed->starting) // Computation in progress ! + { + m_imagePreviewWidget->setProgress(ed->progress); + } + else + { + if (ed->success) // Computation Completed ! + { + switch (d->currentRenderingMode) + { + case CtrlPanelDlgPriv::PreviewRendering: + { + DDebug() << "Preview " << d->name << " completed..." << endl; + putPreviewData(); + abortPreview(); + break; + } + + case CtrlPanelDlgPriv::FinalRendering: + { + DDebug() << "Final" << d->name << " completed..." << endl; + putFinalData(); + kapp->restoreOverrideCursor(); + accept(); + break; + } + } + } + else // Computation Failed ! + { + switch (d->currentRenderingMode) + { + case CtrlPanelDlgPriv::PreviewRendering: + { + DDebug() << "Preview " << d->name << " failed..." << endl; + // abortPreview() must be call here for set progress bar to 0 properly. + abortPreview(); + break; + } + + case CtrlPanelDlgPriv::FinalRendering: + break; + } + } + } + + delete ed; +} + +// Backport KDialog::keyPressEvent() implementation from KDELibs to ignore Enter/Return Key events +// to prevent any conflicts between dialog keys events and SpinBox keys events. + +void CtrlPanelDlg::keyPressEvent(TQKeyEvent *e) +{ + if ( e->state() == 0 ) + { + switch ( e->key() ) + { + case Key_Escape: + e->accept(); + reject(); + break; + case Key_Enter: + case Key_Return: + e->ignore(); + break; + default: + e->ignore(); + return; + } + } + else + { + // accept the dialog when Ctrl-Return is pressed + if ( e->state() == ControlButton && + (e->key() == Key_Return || e->key() == Key_Enter) ) + { + e->accept(); + accept(); + } + else + { + e->ignore(); + } + } +} + +} // NameSpace Digikam + |