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157 lines
4.6 KiB
157 lines
4.6 KiB
/*
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* kis_tool_select_brush.cc - part of Chalk
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*
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* Copyright (c) 2004 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 <tqevent.h>
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#include <tqlabel.h>
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#include <tqlayout.h>
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#include <tqwidget.h>
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#include <kdebug.h>
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#include <kaction.h>
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#include <kcommand.h>
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#include <klocale.h>
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#include "kis_brush.h"
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#include "kis_layer.h"
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#include "kis_paintop.h"
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#include "kis_paintop_registry.h"
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#include "kis_button_press_event.h"
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#include "kis_button_release_event.h"
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#include "kis_cmb_composite.h"
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#include "kis_cursor.h"
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#include "kis_doc.h"
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#include "kis_move_event.h"
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#include "kis_painter.h"
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#include "kis_selection.h"
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#include "kis_tool_select_eraser.h"
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#include "kis_types.h"
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#include "kis_view.h"
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#include "kis_selection_options.h"
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KisToolSelectEraser::KisToolSelectEraser()
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: super(i18n("SelectEraser"))
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{
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setName("tool_select_eraser");
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setCursor(KisCursor::load("tool_eraser_selection_cursor.png", 5, 5));
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m_optWidget = 0;
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m_paintOnSelection = true;
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}
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KisToolSelectEraser::~KisToolSelectEraser()
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{
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}
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void KisToolSelectEraser::activate()
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{
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super::activate();
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if (!m_optWidget)
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return;
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m_optWidget->slotActivated();
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}
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void KisToolSelectEraser::initPaint(KisEvent */*e*/)
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{
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if (!m_currentImage || !m_currentImage->activeDevice()) return;
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m_mode = PAINT;
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m_dragDist = 0;
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// Create painter
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KisPaintDeviceSP dev = m_currentImage->activeDevice();
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if (dev == 0) return;
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if (m_painter)
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delete m_painter;
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if(! dev->hasSelection())
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{
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dev->selection()->clear();
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dev->emitSelectionChanged();
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}
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KisSelectionSP selection = dev->selection();
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m_target = selection;
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m_painter = new KisPainter(selection.data());
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TQ_CHECK_PTR(m_painter);
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m_painter->beginTransaction(i18n("Selection Eraser"));
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m_painter->setPaintColor(KisColor(TQt::white, selection->colorSpace()));
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m_painter->setBrush(m_subject->currentBrush());
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m_painter->setOpacity(OPACITY_OPAQUE);
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m_painter->setCompositeOp(COMPOSITE_ERASE);
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KisPaintOp * op = KisPaintOpRegistry::instance()->paintOp("eraser", 0, painter());
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painter()->setPaintOp(op); // And now the painter owns the op and will destroy it.
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// Set the cursor -- ideally. this should be a mask created from the brush,
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// now that X11 can handle colored cursors.
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#if 0
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// Setting cursors has no effect until the tool is selected again; this
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// should be fixed.
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setCursor(KisCursor::eraserCursor());
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#endif
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}
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void KisToolSelectEraser::endPaint() {
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super::endPaint();
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if (m_currentImage && m_currentImage->activeDevice())
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m_currentImage->activeDevice()->emitSelectionChanged();
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}
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void KisToolSelectEraser::setup(KActionCollection *collection)
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{
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m_action = static_cast<KRadioAction *>(collection->action(name()));
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if (m_action == 0) {
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m_action = new KRadioAction(i18n("Selection &Eraser"),
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"tool_eraser_selection", "Ctrl+Shift+E", this,
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TQT_SLOT(activate()), collection,
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name());
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TQ_CHECK_PTR(m_action);
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m_action->setToolTip(i18n("Erase parts of a selection"));
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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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TQWidget* KisToolSelectEraser::createOptionWidget(TQWidget* parent)
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{
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Q_UNUSED(parent);
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// Commented out due to the fact that this doesn't actually work if you change the action
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#if 0
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m_optWidget = new KisSelectionOptions(parent, m_subject);
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TQ_CHECK_PTR(m_optWidget);
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m_optWidget->setCaption(i18n("Selection Eraser"));
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TQVBoxLayout * l = dynamic_cast<TQVBoxLayout*>(m_optWidget->layout());
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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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#endif
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return 0;
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}
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TQWidget* KisToolSelectEraser::optionWidget()
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{
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return m_optWidget;
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}
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#include "kis_tool_select_eraser.moc"
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