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446 lines
12 KiB
446 lines
12 KiB
/* ============================================================
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*
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* This file is a part of digiKam project
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* http://www.digikam.org
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*
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* Date : 2005-05-07
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* Description : A threaded filter control panel dialog for
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* image editor plugins using DImg
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*
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* Copyright (C) 2005-2007 by Gilles Caulier <caulier dot gilles at gmail dot com>
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*
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* This program is free software; you can redistribute it
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* and/or modify it under the terms of the GNU General
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* Public License as published by the Free Software Foundation;
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* either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* ============================================================ */
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// TQt includes.
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#include <tqvgroupbox.h>
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#include <tqlabel.h>
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#include <tqpushbutton.h>
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#include <tqwhatsthis.h>
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#include <tqtooltip.h>
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#include <tqlayout.h>
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#include <tqframe.h>
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#include <tqtimer.h>
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// KDE includes.
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#include <kcursor.h>
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#include <tdelocale.h>
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#include <tdeaboutdata.h>
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#include <khelpmenu.h>
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#include <kiconloader.h>
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#include <tdeapplication.h>
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#include <tdepopupmenu.h>
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#include <kstandarddirs.h>
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#include <tdeglobalsettings.h>
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// Local includes.
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#include "ddebug.h"
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#include "dimgthreadedfilter.h"
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#include "dimginterface.h"
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#include "ctrlpaneldlg.h"
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#include "ctrlpaneldlg.moc"
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namespace Digikam
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{
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class CtrlPanelDlgPriv
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{
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public:
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enum RunningMode
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{
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NoneRendering=0,
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PreviewRendering,
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FinalRendering
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};
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CtrlPanelDlgPriv()
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{
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parent = 0;
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timer = 0;
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aboutData = 0;
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progressBar = true;
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tryAction = false;
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currentRenderingMode = NoneRendering;
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}
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bool tryAction;
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bool progressBar;
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int currentRenderingMode;
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TQWidget *parent;
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TQTimer *timer;
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TQString name;
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TDEAboutData *aboutData;
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};
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CtrlPanelDlg::CtrlPanelDlg(TQWidget* parent, TQString title, TQString name,
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bool loadFileSettings, bool tryAction, bool progressBar,
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int separateViewMode, TQFrame* bannerFrame)
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: KDialogBase(Plain, 0,
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Help|Default|User1|User2|User3|Try|Ok|Cancel, Ok,
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parent, 0, true, true,
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i18n("&Abort"),
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i18n("&Save As..."),
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i18n("&Load..."))
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{
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kapp->setOverrideCursor( KCursor::waitCursor() );
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setCaption(DImgInterface::defaultInterface()->getImageFileName() + TQString(" - ") + title);
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d = new CtrlPanelDlgPriv;
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d->parent = parent;
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d->name = name;
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d->tryAction = tryAction;
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d->progressBar = progressBar;
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m_threadedFilter = 0;
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TQString whatsThis;
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setButtonWhatsThis ( Default, i18n("<p>Reset all filter parameters to their default values.") );
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setButtonWhatsThis ( User1, i18n("<p>Abort the current image rendering.") );
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setButtonWhatsThis ( User3, i18n("<p>Load all filter parameters from settings text file.") );
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setButtonWhatsThis ( User2, i18n("<p>Save all filter parameters to settings text file.") );
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showButton(User2, loadFileSettings);
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showButton(User3, loadFileSettings);
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showButton(Try, tryAction);
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// disable Abort button on startup
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enableButton(User1, false);
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resize(configDialogSize(name + TQString(" Tool Dialog")));
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TQVBoxLayout *topLayout = new TQVBoxLayout( plainPage(), 0, spacingHint());
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// -------------------------------------------------------------
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if (bannerFrame)
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{
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bannerFrame->reparent( plainPage(), TQPoint(0, 0) );
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topLayout->addWidget(bannerFrame);
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}
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// -------------------------------------------------------------
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m_imagePreviewWidget = new ImagePannelWidget(470, 350, name + TQString(" Tool Dialog"),
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plainPage(), separateViewMode);
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topLayout->addWidget(m_imagePreviewWidget);
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// -------------------------------------------------------------
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TQTimer::singleShot(0, this, TQ_SLOT(slotInit()));
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kapp->restoreOverrideCursor();
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}
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CtrlPanelDlg::~CtrlPanelDlg()
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{
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if (d->aboutData)
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delete d->aboutData;
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if (d->timer)
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delete d->timer;
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if (m_threadedFilter)
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delete m_threadedFilter;
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delete d;
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}
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void CtrlPanelDlg::slotInit()
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{
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// Reset values to defaults.
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TQTimer::singleShot(0, this, TQ_SLOT(readUserSettings()));
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if (!d->tryAction)
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{
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connect(m_imagePreviewWidget, TQ_SIGNAL(signalOriginalClipFocusChanged()),
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this, TQ_SLOT(slotFocusChanged()));
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}
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else
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{
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connect(m_imagePreviewWidget, TQ_SIGNAL(signalResized()),
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this, TQ_SLOT(slotFocusChanged()));
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}
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}
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void CtrlPanelDlg::setAboutData(TDEAboutData *about)
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{
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d->aboutData = about;
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TQPushButton *helpButton = actionButton( Help );
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KHelpMenu* helpMenu = new KHelpMenu(this, d->aboutData, false);
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helpMenu->menu()->removeItemAt(0);
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helpMenu->menu()->insertItem(i18n("digiKam Handbook"), this, TQ_SLOT(slotHelp()), 0, -1, 0);
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helpButton->setPopup( helpMenu->menu() );
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}
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void CtrlPanelDlg::abortPreview()
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{
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d->currentRenderingMode = CtrlPanelDlgPriv::NoneRendering;
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m_imagePreviewWidget->setProgress(0);
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m_imagePreviewWidget->setPreviewImageWaitCursor(false);
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m_imagePreviewWidget->setEnable(true);
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m_imagePreviewWidget->setProgressVisible(false);
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enableButton(Ok, true);
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enableButton(User1, false);
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enableButton(User2, true);
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enableButton(User3, true);
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enableButton(Try, true);
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enableButton(Default, true);
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renderingFinished();
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}
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void CtrlPanelDlg::slotTry()
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{
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slotEffect();
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}
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void CtrlPanelDlg::slotUser1()
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{
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if (d->currentRenderingMode != CtrlPanelDlgPriv::NoneRendering)
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if (m_threadedFilter)
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m_threadedFilter->stopComputation();
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}
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void CtrlPanelDlg::slotDefault()
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{
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resetValues();
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slotEffect();
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}
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void CtrlPanelDlg::slotCancel()
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{
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if (d->currentRenderingMode != CtrlPanelDlgPriv::NoneRendering)
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{
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if (m_threadedFilter)
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m_threadedFilter->stopComputation();
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kapp->restoreOverrideCursor();
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}
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saveDialogSize(d->name + TQString(" Tool Dialog"));
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done(Cancel);
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}
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void CtrlPanelDlg::closeEvent(TQCloseEvent *e)
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{
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if (d->currentRenderingMode != CtrlPanelDlgPriv::NoneRendering)
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{
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if (m_threadedFilter)
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m_threadedFilter->stopComputation();
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kapp->restoreOverrideCursor();
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}
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saveDialogSize(d->name + TQString(" Tool Dialog"));
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e->accept();
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}
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void CtrlPanelDlg::slotFocusChanged(void)
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{
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if (d->currentRenderingMode == CtrlPanelDlgPriv::FinalRendering)
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{
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m_imagePreviewWidget->update();
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return;
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}
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else if (d->currentRenderingMode == CtrlPanelDlgPriv::PreviewRendering)
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{
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if (m_threadedFilter)
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m_threadedFilter->stopComputation();
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}
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TQTimer::singleShot(0, this, TQ_SLOT(slotEffect()));
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}
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void CtrlPanelDlg::slotHelp()
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{
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// If setAboutData() is called by plugin, well DigikamImagePlugins help is lauched,
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// else digiKam help. In this case, setHelp() method must be used to set anchor and handbook name.
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if (d->aboutData)
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TDEApplication::kApplication()->invokeHelp(d->name, "digikam");
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else
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KDialogBase::slotHelp();
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}
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void CtrlPanelDlg::slotTimer()
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{
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if (d->timer)
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{
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d->timer->stop();
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delete d->timer;
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}
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d->timer = new TQTimer( this );
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connect( d->timer, TQ_SIGNAL(timeout()),
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this, TQ_SLOT(slotEffect()) );
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d->timer->start(500, true);
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}
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void CtrlPanelDlg::slotEffect()
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{
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// Computation already in process.
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if (d->currentRenderingMode != CtrlPanelDlgPriv::NoneRendering)
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return;
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d->currentRenderingMode = CtrlPanelDlgPriv::PreviewRendering;
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DDebug() << "Preview " << d->name << " started..." << endl;
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m_imagePreviewWidget->setEnable(false);
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m_imagePreviewWidget->setProgressVisible(true);
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enableButton(Ok, false);
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enableButton(User1, true);
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enableButton(User2, false);
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enableButton(User3, false);
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enableButton(Try, false);
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enableButton(Default, false);
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m_imagePreviewWidget->setPreviewImageWaitCursor(true);
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m_imagePreviewWidget->setProgress(0);
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if (m_threadedFilter)
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{
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delete m_threadedFilter;
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m_threadedFilter = 0;
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}
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prepareEffect();
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}
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void CtrlPanelDlg::slotOk()
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{
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d->currentRenderingMode = CtrlPanelDlgPriv::FinalRendering;
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DDebug() << "Final " << d->name << " started..." << endl;
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saveDialogSize(d->name + TQString(" Tool Dialog"));
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writeUserSettings();
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m_imagePreviewWidget->setEnable(false);
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m_imagePreviewWidget->setProgressVisible(true);
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enableButton(Ok, false);
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enableButton(User1, false);
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enableButton(User2, false);
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enableButton(User3, false);
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enableButton(Try, false);
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enableButton(Default, false);
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kapp->setOverrideCursor( KCursor::waitCursor() );
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m_imagePreviewWidget->setProgress(0);
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if (m_threadedFilter)
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{
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delete m_threadedFilter;
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m_threadedFilter = 0;
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}
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prepareFinal();
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}
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void CtrlPanelDlg::customEvent(TQCustomEvent *event)
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{
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if (!event) return;
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DImgThreadedFilter::EventData *ed = (DImgThreadedFilter::EventData*) event->data();
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if (!ed) return;
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if (ed->starting) // Computation in progress !
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{
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m_imagePreviewWidget->setProgress(ed->progress);
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}
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else
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{
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if (ed->success) // Computation Completed !
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{
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switch (d->currentRenderingMode)
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{
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case CtrlPanelDlgPriv::PreviewRendering:
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{
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DDebug() << "Preview " << d->name << " completed..." << endl;
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putPreviewData();
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abortPreview();
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break;
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}
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case CtrlPanelDlgPriv::FinalRendering:
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{
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DDebug() << "Final" << d->name << " completed..." << endl;
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putFinalData();
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kapp->restoreOverrideCursor();
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accept();
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break;
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}
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}
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}
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else // Computation Failed !
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{
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switch (d->currentRenderingMode)
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{
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case CtrlPanelDlgPriv::PreviewRendering:
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{
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DDebug() << "Preview " << d->name << " failed..." << endl;
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// abortPreview() must be call here for set progress bar to 0 properly.
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abortPreview();
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break;
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}
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case CtrlPanelDlgPriv::FinalRendering:
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break;
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}
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}
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}
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delete ed;
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}
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// Backport KDialog::keyPressEvent() implementation from KDELibs to ignore Enter/Return Key events
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// to prevent any conflicts between dialog keys events and SpinBox keys events.
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void CtrlPanelDlg::keyPressEvent(TQKeyEvent *e)
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{
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if ( e->state() == 0 )
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{
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switch ( e->key() )
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{
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case Key_Escape:
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e->accept();
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reject();
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break;
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case Key_Enter:
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case Key_Return:
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e->ignore();
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break;
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default:
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e->ignore();
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return;
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}
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}
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else
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{
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// accept the dialog when Ctrl-Return is pressed
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if ( e->state() == ControlButton &&
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(e->key() == Key_Return || e->key() == Key_Enter) )
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{
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e->accept();
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accept();
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}
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else
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{
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e->ignore();
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}
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}
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}
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} // NameSpace Digikam
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