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370 linhas
11 KiB
370 linhas
11 KiB
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/*
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Copyright (c) 2003,2004,2005 Clarence Dang <dang@kde.org>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#define DEBUG_KP_EFFECTS_DIALOG 0
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#include <kpeffectsdialog.h>
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#include <tqgroupbox.h>
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#include <tqhbox.h>
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#include <tqlabel.h>
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#include <tqlayout.h>
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#include <tqtimer.h>
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#include <kapplication.h>
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#include <kcombobox.h>
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#include <tdeconfig.h>
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#include <kdebug.h>
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#include <klocale.h>
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#include <kpdefs.h>
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#include <kpdocument.h>
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#include <kpeffectbalance.h>
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#include <kpeffectblursharpen.h>
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#include <kpeffectemboss.h>
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#include <kpeffectflatten.h>
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#include <kpeffectinvert.h>
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#include <kpeffectreducecolors.h>
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#include <kppixmapfx.h>
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// protected static
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int kpEffectsDialog::s_lastWidth = 640;
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int kpEffectsDialog::s_lastHeight = 620;
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kpEffectsDialog::kpEffectsDialog (bool actOnSelection,
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kpMainWindow *parent,
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const char *name)
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: kpToolPreviewDialog (kpToolPreviewDialog::Preview,
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true/*reserve top row*/,
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TQString()/*caption*/,
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TQString()/*afterActionText (no Dimensions Group Box)*/,
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actOnSelection,
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parent,
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name),
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m_delayedUpdateTimer (new TQTimer (this)),
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m_effectsComboBox (0),
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m_settingsGroupBox (0),
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m_settingsLayout (0),
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m_colorEffectWidget (0)
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{
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#if DEBUG_KP_EFFECTS_DIALOG
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kdDebug () << "kpEffectsDialog::kpEffectsDialog()" << endl;
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#endif
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if (actOnSelection)
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setCaption (i18n ("More Image Effects (Selection)"));
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else
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setCaption (i18n ("More Image Effects"));
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connect (m_delayedUpdateTimer, TQT_SIGNAL (timeout ()),
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this, TQT_SLOT (slotUpdateWithWaitCursor ()));
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TQHBox *effectContainer = new TQHBox (mainWidget ());
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effectContainer->setSpacing (spacingHint () * 4
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/*need more space for TQGroupBox titles*/);
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effectContainer->setMargin (0);
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TQLabel *label = new TQLabel (i18n ("&Effect:"), effectContainer);
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m_effectsComboBox = new KComboBox (effectContainer);
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m_effectsComboBox->insertItem (i18n ("Balance"));
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m_effectsComboBox->insertItem (i18n ("Emboss"));
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m_effectsComboBox->insertItem (i18n ("Flatten"));
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m_effectsComboBox->insertItem (i18n ("Invert"));
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m_effectsComboBox->insertItem (i18n ("Reduce Colors"));
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m_effectsComboBox->insertItem (i18n ("Soften & Sharpen"));
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label->setBuddy (m_effectsComboBox);
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effectContainer->setStretchFactor (m_effectsComboBox, 1);
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addCustomWidgetToFront (effectContainer);
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m_settingsGroupBox = new TQGroupBox (mainWidget ());
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m_settingsLayout = new TQVBoxLayout (m_settingsGroupBox,
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marginHint () * 2,
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spacingHint ());
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addCustomWidgetToBack (m_settingsGroupBox);
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connect (m_effectsComboBox, TQT_SIGNAL (activated (int)),
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this, TQT_SLOT (selectEffect (int)));
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selectEffect (0);
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resize (s_lastWidth, s_lastHeight);
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#if DEBUG_KP_EFFECTS_DIALOG
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kdDebug () << "\tabout to slotUpdate()" << endl;
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#endif
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slotUpdate ();
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}
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kpEffectsDialog::~kpEffectsDialog ()
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{
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s_lastWidth = width ();
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s_lastHeight = height ();
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}
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// public virtual [base kpToolPreviewDialog]
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bool kpEffectsDialog::isNoOp () const
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{
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if (!m_colorEffectWidget)
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return true;
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return m_colorEffectWidget->isNoOp ();
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}
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// public
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kpColorEffectCommand *kpEffectsDialog::createCommand () const
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{
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if (!m_colorEffectWidget)
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return 0;
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return m_colorEffectWidget->createCommand ();
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}
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// protected virtual [base kpToolPreviewDialog]
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TQSize kpEffectsDialog::newDimensions () const
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{
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kpDocument *doc = document ();
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if (!doc)
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return TQSize ();
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return TQSize (doc->width (m_actOnSelection),
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doc->height (m_actOnSelection));
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}
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// protected virtual [base kpToolPreviewDialog]
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TQPixmap kpEffectsDialog::transformPixmap (const TQPixmap &pixmap,
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int targetWidth, int targetHeight) const
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{
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TQPixmap pixmapWithEffect;
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if (m_colorEffectWidget)
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pixmapWithEffect = m_colorEffectWidget->applyColorEffect (pixmap);
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else
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pixmapWithEffect = pixmap;
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return kpPixmapFX::scale (pixmapWithEffect, targetWidth, targetHeight);
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}
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// public
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int kpEffectsDialog::selectedEffect () const
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{
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return m_effectsComboBox->currentItem ();
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}
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// public slot
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void kpEffectsDialog::selectEffect (int which)
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{
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#if DEBUG_KP_EFFECTS_DIALOG
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kdDebug () << "kpEffectsDialog::selectEffect(" << which << ")" << endl;
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#endif
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if (which < 0 ||
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which >= m_effectsComboBox->count ())
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{
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return;
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}
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if (which != m_effectsComboBox->currentItem ())
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m_effectsComboBox->setCurrentItem (which);
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delete m_colorEffectWidget;
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m_colorEffectWidget = 0;
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m_settingsGroupBox->setCaption (TQString());
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#define CREATE_EFFECT_WIDGET(name) \
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m_colorEffectWidget = new name (m_actOnSelection, \
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m_mainWindow, \
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m_settingsGroupBox)
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switch (which)
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{
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case 0:
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CREATE_EFFECT_WIDGET (kpEffectBalanceWidget);
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break;
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case 1:
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CREATE_EFFECT_WIDGET (kpEffectEmbossWidget);
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break;
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case 2:
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CREATE_EFFECT_WIDGET (kpEffectFlattenWidget);
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break;
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case 3:
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CREATE_EFFECT_WIDGET (kpEffectInvertWidget);
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break;
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case 4:
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CREATE_EFFECT_WIDGET (kpEffectReduceColorsWidget);
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break;
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case 5:
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CREATE_EFFECT_WIDGET (kpEffectBlurSharpenWidget);
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break;
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}
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#undef CREATE_EFFECT_WIDGET
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if (m_colorEffectWidget)
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{
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#if DEBUG_KP_EFFECTS_DIALOG
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kdDebug () << "\twidget exists for effect #" << endl;
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#endif
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m_settingsGroupBox->setTitle (m_colorEffectWidget->caption ());
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// Don't resize the preview when showing the widget:
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// TODO: actually work
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TQSize previewGroupBoxMinSize = m_previewGroupBox->minimumSize ();
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TQSize previewGroupBoxMaxSize = m_previewGroupBox->maximumSize ();
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TQLayout::ResizeMode previewGroupBoxResizeMode =
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m_previewGroupBox->layout () ?
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m_previewGroupBox->layout ()->resizeMode () :
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TQLayout::Auto;
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#if DEBUG_KP_EFFECTS_DIALOG
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kdDebug () << "\tpreviewGroupBox: minSize=" << previewGroupBoxMinSize
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<< " maxSize=" << previewGroupBoxMaxSize
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<< " size=" << m_previewGroupBox->size ()
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<< " layout=" << m_previewGroupBox->layout ()
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<< " resizeMode=" << previewGroupBoxResizeMode
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<< endl;
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#endif
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if (m_previewGroupBox->layout ())
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m_previewGroupBox->layout ()->setResizeMode (TQLayout::FreeResize);
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#if DEBUG_KP_EFFECTS_DIALOG
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kdDebug () << "\tafter set resizeMode, previewGroupBox.size="
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<< m_previewGroupBox->size () << endl;
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#endif
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m_previewGroupBox->setFixedSize (m_previewGroupBox->size ());
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#if DEBUG_KP_EFFECTS_DIALOG
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kdDebug () << "\tafter set fixedSize, previewGroupBox.size="
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<< m_previewGroupBox->size () << endl;
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#endif
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// Show widget
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m_settingsLayout->addWidget (m_colorEffectWidget);
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#if DEBUG_KP_EFFECTS_DIALOG
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kdDebug () << "\tafter addWidget, previewGroupBox.size="
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<< m_previewGroupBox->size () << endl;
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#endif
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m_colorEffectWidget->show ();
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#if DEBUG_KP_EFFECTS_DIALOG
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kdDebug () << "\tafter addWidget show, previewGroupBox.size="
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<< m_previewGroupBox->size () << endl;
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#endif
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m_previewGroupBox->setMinimumSize (previewGroupBoxMinSize);
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m_previewGroupBox->setMaximumSize (previewGroupBoxMaxSize);
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#if DEBUG_KP_EFFECTS_DIALOG
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kdDebug () << "\tafter set fixedSize, previewGroupBox.size="
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<< m_previewGroupBox->size () << endl;
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#endif
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if (m_previewGroupBox->layout ())
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m_previewGroupBox->layout ()->setResizeMode (previewGroupBoxResizeMode);
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#if DEBUG_KP_EFFECTS_DIALOG
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kdDebug () << "\tafter restore resizeMode, previewGroupBox.size="
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<< m_previewGroupBox->size () << endl;
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#endif
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connect (m_colorEffectWidget, TQT_SIGNAL (settingsChangedNoWaitCursor ()),
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this, TQT_SLOT (slotUpdate ()));
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connect (m_colorEffectWidget, TQT_SIGNAL (settingsChanged ()),
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this, TQT_SLOT (slotUpdateWithWaitCursor ()));
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connect (m_colorEffectWidget, TQT_SIGNAL (settingsChangedDelayed ()),
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this, TQT_SLOT (slotDelayedUpdate ()));
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slotUpdateWithWaitCursor ();
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#if DEBUG_KP_EFFECTS_DIALOG
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kdDebug () << "\tafter slotUpdateWithWaitCursor, previewGroupBox.size="
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<< m_previewGroupBox->size () << endl;
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#endif
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}
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}
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// protected slot virtual [base kpToolPreviewDialog]
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void kpEffectsDialog::slotUpdate ()
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{
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#if DEBUG_KP_EFFECTS_DIALOG
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kdDebug () << "kpEffectsDialog::slotUpdate()"
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<< " timerActive=" << m_delayedUpdateTimer->isActive ()
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<< endl;
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#endif
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m_delayedUpdateTimer->stop ();
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kpToolPreviewDialog::slotUpdate ();
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}
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// protected slot virtual [base kpToolPreviewDialog]
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void kpEffectsDialog::slotUpdateWithWaitCursor ()
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{
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#if DEBUG_KP_EFFECTS_DIALOG
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kdDebug () << "kpEffectsDialog::slotUpdateWithWaitCursor()"
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<< " timerActive=" << m_delayedUpdateTimer->isActive ()
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<< endl;
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#endif
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m_delayedUpdateTimer->stop ();
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kpToolPreviewDialog::slotUpdateWithWaitCursor ();
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}
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// protected slot
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void kpEffectsDialog::slotDelayedUpdate ()
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{
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#if DEBUG_KP_EFFECTS_DIALOG
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kdDebug () << "kpEffectsDialog::slotDelayedUpdate()"
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<< " timerActive=" << m_delayedUpdateTimer->isActive ()
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<< endl;
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#endif
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m_delayedUpdateTimer->stop ();
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m_delayedUpdateTimer->start (400/*ms*/, true/*single shot*/);
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}
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#include <kpeffectsdialog.moc>
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