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272 lines
7.9 KiB
272 lines
7.9 KiB
/*
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* Copyright (c) 1999 Matthias Elter <me@kde.org>
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* Copyright (c) 2002 Patrick Julien <freak@codepimps.org>
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* Copyright (c) 2005 Boudewijn Rempt <boud@valdyas.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) 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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <tqpoint.h>
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#include <tqlayout.h>
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#include <tqcheckbox.h>
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#include <tqlabel.h>
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#include <tqcombobox.h>
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#include <tqtimer.h>
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#include <tdeapplication.h>
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#include <tdeaction.h>
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#include <klocale.h>
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#include <knuminput.h>
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#include <kis_cursor.h>
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#include <kis_selection_manager.h>
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#include <kis_canvas_subject.h>
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#include <kis_image.h>
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#include <kis_layer.h>
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#include <kis_paint_device.h>
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#include <kis_button_press_event.h>
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#include <kis_canvas_subject.h>
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#include <kis_selection_options.h>
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#include <kis_selection.h>
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#include <kis_paint_device.h>
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#include <kis_iterators_pixel.h>
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#include <kis_selected_transaction.h>
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#include <kis_undo_adapter.h>
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#include "kis_tool_selectsimilar.h"
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void selectByColor(KisPaintDeviceSP dev, KisSelectionSP selection, const TQ_UINT8 * c, int fuzziness, enumSelectionMode mode)
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{
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// XXX: Multithread this!
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TQ_INT32 x, y, w, h;
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dev->exactBounds(x, y, w, h);
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KisColorSpace * cs = dev->colorSpace();
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for (int y2 = y; y2 < y + h; ++y2) {
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KisHLineIterator hiter = dev->createHLineIterator(x, y2, w, false);
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KisHLineIterator selIter = selection->createHLineIterator(x, y2, w, true);
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while (!hiter.isDone()) {
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//if (dev->colorSpace()->hasAlpha())
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// opacity = dev->colorSpace()->getAlpha(hiter.rawData());
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TQ_UINT8 match = cs->difference(c, hiter.rawData());
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if (mode == SELECTION_ADD) {
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if (match <= fuzziness) {
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*(selIter.rawData()) = MAX_SELECTED;
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}
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}
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else if (mode == SELECTION_SUBTRACT) {
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if (match <= fuzziness) {
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*(selIter.rawData()) = MIN_SELECTED;
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}
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}
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++hiter;
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++selIter;
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}
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}
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}
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KisToolSelectSimilar::KisToolSelectSimilar()
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: super(i18n("Select Similar Colors"))
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{
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setName("tool_select_similar");
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m_addCursor = KisCursor::load("tool_similar_selection_plus_cursor.png", 1, 21);
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m_subtractCursor = KisCursor::load("tool_similar_selection_minus_cursor.png", 1, 21);
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setCursor(m_addCursor);
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m_subject = 0;
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m_optWidget = 0;
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m_selectionOptionsWidget = 0;
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m_fuzziness = 20;
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m_currentSelectAction = m_defaultSelectAction = SELECTION_ADD;
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m_timer = new TQTimer(this);
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connect(m_timer, TQT_SIGNAL(timeout()), TQT_SLOT(slotTimer()) );
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}
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KisToolSelectSimilar::~KisToolSelectSimilar()
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{
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}
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void KisToolSelectSimilar::activate()
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{
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KisToolNonPaint::activate();
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m_timer->start(50);
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setPickerCursor(m_currentSelectAction);
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if (m_selectionOptionsWidget) {
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m_selectionOptionsWidget->slotActivated();
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}
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}
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void KisToolSelectSimilar::deactivate()
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{
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m_timer->stop();
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}
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void KisToolSelectSimilar::buttonPress(KisButtonPressEvent *e)
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{
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if (m_subject) {
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TQApplication::setOverrideCursor(KisCursor::waitCursor());
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KisImageSP img;
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KisPaintDeviceSP dev;
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TQPoint pos;
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TQ_UINT8 opacity = OPACITY_OPAQUE;
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if (e->button() != Qt::LeftButton && e->button() != Qt::RightButton)
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return;
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if (!(img = m_subject->currentImg()))
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return;
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dev = img->activeDevice();
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if (!dev || !img->activeLayer()->visible())
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return;
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pos = TQPoint(e->pos().floorX(), e->pos().floorY());
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KisSelectedTransaction *t = 0;
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if (img->undo()) t = new KisSelectedTransaction(i18n("Similar Selection"),dev);
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KisColor c = dev->colorAt(pos.x(), pos.y());
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opacity = dev->colorSpace()->getAlpha(c.data());
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// XXX we should make this configurable: "allow to select transparent"
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// if (opacity > OPACITY_TRANSPARENT)
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selectByColor(dev, dev->selection(), c.data(), m_fuzziness, m_currentSelectAction);
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dev->setDirty();
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dev->emitSelectionChanged();
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if(img->undo())
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img->undoAdapter()->addCommand(t);
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m_subject->canvasController()->updateCanvas();
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TQApplication::restoreOverrideCursor();
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}
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}
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void KisToolSelectSimilar::slotTimer()
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{
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#if KDE_IS_VERSION(3,4,0)
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int state = kapp->keyboardMouseState() & (TQt::ShiftButton|TQt::ControlButton|TQt::AltButton);
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#else
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int state = kapp->keyboardModifiers() & (TDEApplication::ShiftModifier
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|TDEApplication::ControlModifier|TDEApplication::Modifier1);
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#endif
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enumSelectionMode action;
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if (state == TQt::ShiftButton)
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action = SELECTION_ADD;
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else if (state == TQt::ControlButton)
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action = SELECTION_SUBTRACT;
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else
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action = m_defaultSelectAction;
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if (action != m_currentSelectAction) {
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m_currentSelectAction = action;
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setPickerCursor(action);
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}
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}
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void KisToolSelectSimilar::setPickerCursor(enumSelectionMode action)
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{
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switch (action) {
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case SELECTION_ADD:
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m_subject->canvasController()->setCanvasCursor(m_addCursor);
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break;
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case SELECTION_SUBTRACT:
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m_subject->canvasController()->setCanvasCursor(m_subtractCursor);
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}
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}
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void KisToolSelectSimilar::setup(TDEActionCollection *collection)
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{
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m_action = static_cast<TDERadioAction *>(collection->action(name()));
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if (m_action == 0) {
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m_action = new TDERadioAction(i18n("&Similar Selection"), "tool_similar_selection", "Ctrl+E", this, TQT_SLOT(activate()), collection, name());
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TQ_CHECK_PTR(m_action);
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m_action->setToolTip(i18n("Select similar colors"));
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m_action->setExclusiveGroup("tools");
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m_ownAction = true;
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}
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}
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void KisToolSelectSimilar::update(KisCanvasSubject *subject)
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{
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super::update(subject);
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m_subject = subject;
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}
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void KisToolSelectSimilar::slotSetFuzziness(int fuzziness)
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{
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m_fuzziness = fuzziness;
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}
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void KisToolSelectSimilar::slotSetAction(int action)
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{
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m_defaultSelectAction = (enumSelectionMode)action;
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}
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TQWidget* KisToolSelectSimilar::createOptionWidget(TQWidget* parent)
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{
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m_optWidget = new TQWidget(parent);
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TQ_CHECK_PTR(m_optWidget);
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m_optWidget->setCaption(i18n("Similar Selection"));
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TQVBoxLayout * l = new TQVBoxLayout(m_optWidget, 0, 6);
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TQ_CHECK_PTR(l);
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m_selectionOptionsWidget = new KisSelectionOptions(m_optWidget, m_subject);
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TQ_CHECK_PTR(m_selectionOptionsWidget);
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l->addWidget(m_selectionOptionsWidget);
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connect (m_selectionOptionsWidget, TQT_SIGNAL(actionChanged(int)), this, TQT_SLOT(slotSetAction(int)));
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TQHBoxLayout * hbox = new TQHBoxLayout(l);
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TQ_CHECK_PTR(hbox);
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TQLabel * lbl = new TQLabel(i18n("Fuzziness: "), m_optWidget);
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TQ_CHECK_PTR(lbl);
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hbox->addWidget(lbl);
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KIntNumInput * input = new KIntNumInput(m_optWidget, "fuzziness");
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TQ_CHECK_PTR(input);
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input->setRange(0, 200, 10, true);
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input->setValue(20);
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hbox->addWidget(input);
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connect(input, TQT_SIGNAL(valueChanged(int)), this, TQT_SLOT(slotSetFuzziness(int)));
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l->addItem(new TQSpacerItem(1, 1, TQSizePolicy::Fixed, TQSizePolicy::Expanding));
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return m_optWidget;
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}
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TQWidget* KisToolSelectSimilar::optionWidget()
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{
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return m_optWidget;
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}
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#include "kis_tool_selectsimilar.moc"
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