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authortpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-01-20 01:29:50 +0000
committertpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-01-20 01:29:50 +0000
commit8362bf63dea22bbf6736609b0f49c152f975eb63 (patch)
tree0eea3928e39e50fae91d4e68b21b1e6cbae25604 /krita/plugins/tools/defaulttools/kis_tool_zoom.cc
downloadkoffice-8362bf63dea22bbf6736609b0f49c152f975eb63.tar.gz
koffice-8362bf63dea22bbf6736609b0f49c152f975eb63.zip
Added old abandoned KDE3 version of koffice
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/koffice@1077364 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'krita/plugins/tools/defaulttools/kis_tool_zoom.cc')
-rw-r--r--krita/plugins/tools/defaulttools/kis_tool_zoom.cc191
1 files changed, 191 insertions, 0 deletions
diff --git a/krita/plugins/tools/defaulttools/kis_tool_zoom.cc b/krita/plugins/tools/defaulttools/kis_tool_zoom.cc
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+/*
+ * Copyright (c) 1999 Matthias Elter <me@kde.org>
+ * Copyright (c) 2002 Patrick Julien <freak@codepimps.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 <kaction.h>
+#include <klocale.h>
+#include <kapplication.h>
+
+#include "kis_image.h"
+#include "kis_paint_device.h"
+#include "kis_paint_layer.h"
+#include "kis_canvas_controller.h"
+#include "kis_canvas_subject.h"
+#include "kis_canvas.h"
+#include "kis_canvas_painter.h"
+#include "kis_cursor.h"
+#include "kis_button_press_event.h"
+#include "kis_button_release_event.h"
+#include "kis_move_event.h"
+#include "kis_tool_zoom.h"
+
+
+KisToolZoom::KisToolZoom()
+ : super(i18n("Zoom Tool"))
+{
+ setName("tool_zoom");
+ m_subject = 0;
+ m_dragging = false;
+ m_startPos = QPoint(0, 0);
+ m_endPos = QPoint(0, 0);
+ m_plusCursor = KisCursor::load("tool_zoom_plus_cursor.png", 8, 8);
+ m_minusCursor = KisCursor::load("tool_zoom_minus_cursor.png", 8, 8);
+ setCursor(m_plusCursor);
+ connect(&m_timer, SIGNAL(timeout()), SLOT(slotTimer()));
+}
+
+KisToolZoom::~KisToolZoom()
+{
+}
+
+void KisToolZoom::update(KisCanvasSubject *subject)
+{
+ m_subject = subject;
+ super::update(m_subject);
+}
+
+void KisToolZoom::paint(KisCanvasPainter& gc)
+{
+ if (m_dragging)
+ paintOutline(gc, QRect());
+}
+
+void KisToolZoom::paint(KisCanvasPainter& gc, const QRect& rc)
+{
+ if (m_dragging)
+ paintOutline(gc, rc);
+}
+
+void KisToolZoom::buttonPress(KisButtonPressEvent *e)
+{
+ if (m_subject && m_subject->currentImg() && !m_dragging) {
+ if (e->button() == Qt::LeftButton) {
+ m_startPos = e->pos().floorQPoint();
+ m_endPos = e->pos().floorQPoint();
+ m_dragging = true;
+ }
+ }
+}
+
+void KisToolZoom::move(KisMoveEvent *e)
+{
+ if (m_subject && m_dragging) {
+ if (m_startPos != m_endPos)
+ paintOutline();
+
+ m_endPos = e->pos().floorQPoint();
+ paintOutline();
+ }
+}
+
+void KisToolZoom::buttonRelease(KisButtonReleaseEvent *e)
+{
+ if (m_subject && m_dragging && e->button() == Qt::LeftButton) {
+
+ KisCanvasController *controller = m_subject->canvasController();
+ m_endPos = e->pos().floorQPoint();
+ m_dragging = false;
+
+ QPoint delta = m_endPos - m_startPos;
+
+ if (sqrt(delta.x() * delta.x() + delta.y() * delta.y()) < 10) {
+ if (e->state() & Qt::ControlButton) {
+ controller->zoomOut(m_endPos.x(), m_endPos.y());
+ } else {
+ controller->zoomIn(m_endPos.x(), m_endPos.y());
+ }
+ } else {
+ controller->zoomTo(QRect(m_startPos, m_endPos));
+ }
+ }
+}
+
+void KisToolZoom::activate()
+{
+ super::activate();
+ m_timer.start(50);
+}
+
+void KisToolZoom::deactivate()
+{
+ m_timer.stop();
+}
+
+void KisToolZoom::slotTimer()
+{
+#if KDE_IS_VERSION(3,4,0)
+ int state = kapp->keyboardMouseState() & (Qt::ShiftButton|Qt::ControlButton|Qt::AltButton);
+#else
+ int state = kapp->keyboardModifiers() & (KApplication::ShiftModifier
+ |KApplication::ControlModifier|KApplication::Modifier1);
+#endif
+
+ if (state & Qt::ControlButton) {
+ m_subject->canvasController()->setCanvasCursor(m_minusCursor);
+ } else {
+ m_subject->canvasController()->setCanvasCursor(m_plusCursor);
+ }
+}
+
+void KisToolZoom::paintOutline()
+{
+ if (m_subject) {
+ KisCanvasController *controller = m_subject->canvasController();
+ KisCanvas *canvas = controller->kiscanvas();
+ KisCanvasPainter gc(canvas);
+ QRect rc;
+
+ paintOutline(gc, rc);
+ }
+}
+
+void KisToolZoom::paintOutline(KisCanvasPainter& gc, const QRect&)
+{
+ if (m_subject) {
+ KisCanvasController *controller = m_subject->canvasController();
+ RasterOp op = gc.rasterOp();
+ QPen old = gc.pen();
+ QPen pen(Qt::DotLine);
+ QPoint start;
+ QPoint end;
+
+ Q_ASSERT(controller);
+ start = controller->windowToView(m_startPos);
+ end = controller->windowToView(m_endPos);
+
+ gc.setRasterOp(Qt::NotROP);
+ gc.setPen(pen);
+ gc.drawRect(QRect(start, end));
+ gc.setRasterOp(op);
+ gc.setPen(old);
+ }
+}
+
+void KisToolZoom::setup(KActionCollection *collection)
+{
+ m_action = static_cast<KRadioAction *>(collection->action(name()));
+
+ if (m_action == 0) {
+ m_action = new KRadioAction(i18n("&Zoom"), "tool_zoom", Qt::Key_Z, this, SLOT(activate()), collection, name());
+ m_action->setToolTip(i18n("Zoom"));
+ m_action->setExclusiveGroup("tools");
+ m_ownAction = true;
+ }
+}
+
+#include "kis_tool_zoom.moc"