1 files changed, 156 insertions, 0 deletions
diff --git a/krita/plugins/tools/selectiontools/kis_tool_select_eraser.cc b/krita/plugins/tools/selectiontools/kis_tool_select_eraser.cc
new file mode 100644
index 00000000..6880c61b
--- /dev/null
+++ b/krita/plugins/tools/selectiontools/kis_tool_select_eraser.cc
@@ -0,0 +1,156 @@
+/*
+ *  kis_tool_select_brush.cc - part of Krita
+ *
+ *  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 <qevent.h>
+#include <qlabel.h>
+#include <qlayout.h>
+#include <qwidget.h>
+
+#include <kdebug.h>
+#include <kaction.h>
+#include <kcommand.h>
+#include <klocale.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());
+    Q_CHECK_PTR(m_painter);
+    m_painter->beginTransaction(i18n("Selection Eraser"));
+    m_painter->setPaintColor(KisColor(Qt::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(KActionCollection *collection)
+{
+    m_action = static_cast<KRadioAction *>(collection->action(name()));
+
+    if (m_action == 0) {
+        m_action = new KRadioAction(i18n("Selection &Eraser"),
+                        "tool_eraser_selection", "Ctrl+Shift+E", this,
+                        SLOT(activate()), collection,
+                        name());
+        Q_CHECK_PTR(m_action);
+        m_action->setToolTip(i18n("Erase parts of a selection"));
+        m_action->setExclusiveGroup("tools");
+        m_ownAction = true;
+    }
+}
+
+QWidget* KisToolSelectEraser::createOptionWidget(QWidget* 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);
+    Q_CHECK_PTR(m_optWidget);
+    m_optWidget->setCaption(i18n("Selection Eraser"));
+
+    QVBoxLayout * l = dynamic_cast<QVBoxLayout*>(m_optWidget->layout());
+    l->addItem(new QSpacerItem(1, 1, QSizePolicy::Fixed, QSizePolicy::Expanding));
+
+    return m_optWidget;
+#endif
+    return 0;
+}
+
+QWidget* KisToolSelectEraser::optionWidget()
+{
+    return m_optWidget;
+}
+
+#include "kis_tool_select_eraser.moc"
+