diff options
Diffstat (limited to 'chalk/plugins/tools/selectiontools/kis_tool_select_eraser.cpp')
-rw-r--r-- | chalk/plugins/tools/selectiontools/kis_tool_select_eraser.cpp | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/chalk/plugins/tools/selectiontools/kis_tool_select_eraser.cpp b/chalk/plugins/tools/selectiontools/kis_tool_select_eraser.cpp new file mode 100644 index 000000000..9cfef0a80 --- /dev/null +++ b/chalk/plugins/tools/selectiontools/kis_tool_select_eraser.cpp @@ -0,0 +1,156 @@ +/* + * kis_tool_select_brush.cpp - part of Chalk + * + * 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 <tqevent.h> +#include <tqlabel.h> +#include <tqlayout.h> +#include <tqwidget.h> + +#include <kdebug.h> +#include <tdeaction.h> +#include <kcommand.h> +#include <tdelocale.h> + +#include "kis_brush.h" +#include "kis_layer.h" +#include "kis_paintop.h" +#include "kis_paintop_registry.h" +#include "kis_button_press_event.h" +#include "kis_button_release_event.h" +#include "kis_cmb_composite.h" +#include "kis_cursor.h" +#include "kis_doc.h" +#include "kis_move_event.h" +#include "kis_painter.h" +#include "kis_selection.h" +#include "kis_tool_select_eraser.h" +#include "kis_types.h" +#include "kis_view.h" +#include "kis_selection_options.h" + +KisToolSelectEraser::KisToolSelectEraser() + : super(i18n("SelectEraser")) +{ + setName("tool_select_eraser"); + setCursor(KisCursor::load("tool_eraser_selection_cursor.png", 5, 5)); + m_optWidget = 0; + m_paintOnSelection = true; +} + +KisToolSelectEraser::~KisToolSelectEraser() +{ +} + +void KisToolSelectEraser::activate() +{ + super::activate(); + + if (!m_optWidget) + return; + + m_optWidget->slotActivated(); +} + +void KisToolSelectEraser::initPaint(KisEvent */*e*/) +{ + if (!m_currentImage || !m_currentImage->activeDevice()) return; + + m_mode = PAINT; + m_dragDist = 0; + + // Create painter + KisPaintDeviceSP dev = m_currentImage->activeDevice(); + + if (dev == 0) return; + + if (m_painter) + delete m_painter; + if(! dev->hasSelection()) + { + dev->selection()->clear(); + dev->emitSelectionChanged(); + } + KisSelectionSP selection = dev->selection(); + + m_target = selection; + m_painter = new KisPainter(selection.data()); + TQ_CHECK_PTR(m_painter); + m_painter->beginTransaction(i18n("Selection Eraser")); + m_painter->setPaintColor(KisColor(TQt::white, selection->colorSpace())); + m_painter->setBrush(m_subject->currentBrush()); + m_painter->setOpacity(OPACITY_OPAQUE); + m_painter->setCompositeOp(COMPOSITE_ERASE); + KisPaintOp * op = KisPaintOpRegistry::instance()->paintOp("eraser", 0, painter()); + painter()->setPaintOp(op); // And now the painter owns the op and will destroy it. + + // Set the cursor -- ideally. this should be a mask created from the brush, + // now that X11 can handle colored cursors. +#if 0 + // Setting cursors has no effect until the tool is selected again; this + // should be fixed. + setCursor(KisCursor::eraserCursor()); +#endif +} + +void KisToolSelectEraser::endPaint() { + super::endPaint(); + if (m_currentImage && m_currentImage->activeDevice()) + m_currentImage->activeDevice()->emitSelectionChanged(); +} +void KisToolSelectEraser::setup(TDEActionCollection *collection) +{ + m_action = static_cast<TDERadioAction *>(collection->action(name())); + + if (m_action == 0) { + m_action = new TDERadioAction(i18n("Selection &Eraser"), + "tool_eraser_selection", "Ctrl+Shift+E", this, + TQT_SLOT(activate()), collection, + name()); + TQ_CHECK_PTR(m_action); + m_action->setToolTip(i18n("Erase parts of a selection")); + m_action->setExclusiveGroup("tools"); + m_ownAction = true; + } +} + +TQWidget* KisToolSelectEraser::createOptionWidget(TQWidget* parent) +{ + Q_UNUSED(parent); + // Commented out due to the fact that this doesn't actually work if you change the action +#if 0 + m_optWidget = new KisSelectionOptions(parent, m_subject); + TQ_CHECK_PTR(m_optWidget); + m_optWidget->setCaption(i18n("Selection Eraser")); + + TQVBoxLayout * l = dynamic_cast<TQVBoxLayout*>(m_optWidget->layout()); + l->addItem(new TQSpacerItem(1, 1, TQSizePolicy::Fixed, TQSizePolicy::Expanding)); + + return m_optWidget; +#endif + return 0; +} + +TQWidget* KisToolSelectEraser::optionWidget() +{ + return m_optWidget; +} + +#include "kis_tool_select_eraser.moc" + |