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koffice/chalk/plugins/tools/selectiontools/kis_tool_select_contiguous.cc

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6.7 KiB

/*
* kis_tool_select_contiguous - part of Krayon^WChalk
*
* Copyright (c) 1999 Michael Koch <koch@kde.org>
* Copyright (c) 2002 Patrick Julien <freak@codepimps.org>
* Copyright (c) 2004 Boudewijn Rempt <boud@valdyas.org>
*
* 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 <tqpainter.h>
#include <tqlayout.h>
#include <tqlabel.h>
#include <tqapplication.h>
#include <tqcheckbox.h>
#include <kaction.h>
#include <kdebug.h>
#include <klocale.h>
#include <knuminput.h>
#include <kcolorbutton.h>
#include <kis_cursor.h>
#include <kis_selection_manager.h>
#include <kis_canvas_subject.h>
#include <kis_image.h>
#include <kis_layer.h>
#include <kis_paint_device.h>
#include <kis_button_press_event.h>
#include <kis_canvas_subject.h>
#include <kis_selection_options.h>
#include <kis_selection.h>
#include <kis_paint_device.h>
#include <kis_iterators_pixel.h>
#include <kis_selection_options.h>
#include <kis_canvas_observer.h>
#include <kis_fill_painter.h>
#include <kis_undo_adapter.h>
#include <kis_selected_transaction.h>
#include "kis_tool_select_contiguous.h"
KisToolSelectContiguous::KisToolSelectContiguous() : super(i18n("Contiguous Select"))
{
setName("tool_select_contiguous");
m_subject = 0;
m_optWidget = 0;
m_fuzziness = 20;
m_sampleMerged = false;
m_selectAction = SELECTION_ADD;
setCursor(KisCursor::load("tool_contiguous_selection_cursor.png", 6, 6));
}
KisToolSelectContiguous::~KisToolSelectContiguous()
{
}
void KisToolSelectContiguous::activate()
{
super::activate();
if (!m_optWidget)
return;
m_optWidget->slotActivated();
}
void KisToolSelectContiguous::buttonPress(KisButtonPressEvent * e)
{
if (m_subject) {
KisImageSP img;
KisPaintDeviceSP dev;
TQPoint pos;
if (e->button() != Qt::LeftButton && e->button() != Qt::RightButton)
return;
if (!(img = m_subject->currentImg()))
return;
dev = img->activeDevice();
if (!dev || !img->activeLayer()->visible())
return;
TQApplication::setOverrideCursor(KisCursor::waitCursor());
pos = TQPoint(e->pos().floorX(), e->pos().floorY());
KisFillPainter fillpainter(dev);
fillpainter.setFillThreshold(m_fuzziness);
fillpainter.setSampleMerged(m_sampleMerged);
KisSelectionSP selection = fillpainter.createFloodSelection(pos.x(), pos.y());
KisSelectedTransaction *t = 0;
if (img->undo()) t = new KisSelectedTransaction(i18n("Contiguous Area Selection"), dev);
if (!dev->hasSelection()) {
dev->selection()->clear();
if(m_selectAction==SELECTION_SUBTRACT)
selection->invert();
}
switch (m_selectAction) {
case SELECTION_SUBTRACT:
dev->subtractSelection(selection);
break;
case SELECTION_ADD:
default:
dev->addSelection(selection);
break;
}
dev->setDirty(selection->selectedRect()); // A bit too wide, but that's not that bad
dev->emitSelectionChanged();
if (img->undo())
img->undoAdapter()->addCommand(t);
TQApplication::restoreOverrideCursor();
}
}
void KisToolSelectContiguous::setup(KActionCollection *collection)
{
m_action = static_cast<KRadioAction *>(collection->action(name()));
if (m_action == 0) {
m_action = new KRadioAction(i18n("&Contiguous Area Selection"),
"tool_contiguous_selection" ,
0,
this,
TQT_SLOT(activate()),
collection,
name());
TQ_CHECK_PTR(m_action);
m_action->setToolTip(i18n("Select a contiguous area"));
m_action->setExclusiveGroup("tools");
m_ownAction = true;
}
}
void KisToolSelectContiguous::update(KisCanvasSubject *subject)
{
super::update(subject);
m_subject = subject;
}
void KisToolSelectContiguous::slotSetFuzziness(int fuzziness)
{
m_fuzziness = fuzziness;
}
void KisToolSelectContiguous::slotSetAction(int action)
{
if (action >= SELECTION_ADD && action <= SELECTION_SUBTRACT)
m_selectAction =(enumSelectionMode)action;
// XXX: Fix cursors when then are done.
// switch(m_selectAction) {
// case SELECTION_ADD:
// m_subject->setCanvasCursor(KisCursor::pickerPlusCursor());
// break;
// case SELECTION_SUBTRACT:
// m_subject->setCanvasCursor(KisCursor::pickerMinusCursor());
// };
}
TQWidget* KisToolSelectContiguous::createOptionWidget(TQWidget* parent)
{
m_optWidget = new KisSelectionOptions(parent, m_subject);
TQ_CHECK_PTR(m_optWidget);
m_optWidget->setCaption(i18n("Contiguous Area Selection"));
TQVBoxLayout * l = dynamic_cast<TQVBoxLayout*>(m_optWidget->layout());
l->setSpacing( 6 );
connect (m_optWidget, TQT_SIGNAL(actionChanged(int)), this, TQT_SLOT(slotSetAction(int)));
TQHBoxLayout * hbox = new TQHBoxLayout(l);
TQ_CHECK_PTR(hbox);
TQLabel * lbl = new TQLabel(i18n("Fuzziness: "), m_optWidget);
hbox->addWidget(lbl);
KIntNumInput * input = new KIntNumInput(m_optWidget, "fuzziness");
TQ_CHECK_PTR(input);
input->setRange(0, 200, 10, true);
input->setValue(20);
hbox->addWidget(input);
connect(input, TQT_SIGNAL(valueChanged(int)), this, TQT_SLOT(slotSetFuzziness(int)));
TQCheckBox* samplemerged = new TQCheckBox(i18n("Sample merged"), m_optWidget);
l->addWidget( samplemerged );
samplemerged->setChecked(m_sampleMerged);
connect(samplemerged, TQT_SIGNAL(stateChanged(int)),
this, TQT_SLOT(slotSetSampleMerged(int)));
l->addItem(new TQSpacerItem(1, 1, TQSizePolicy::Fixed, TQSizePolicy::Expanding));
return m_optWidget;
}
TQWidget* KisToolSelectContiguous::optionWidget()
{
return m_optWidget;
}
void KisToolSelectContiguous::slotSetSampleMerged(int state)
{
if (state == TQButton::NoChange)
return;
m_sampleMerged = (state == TQButton::On);
}
#include "kis_tool_select_contiguous.moc"