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97 lines
2.8 KiB
97 lines
2.8 KiB
/*
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* Copyright (c) 2004 Adrian Page <adrian@pagenet.plus.com>
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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 <tdeaction.h>
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#include <klocale.h>
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#include "kis_canvas_controller.h"
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#include "kis_canvas_subject.h"
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#include "kis_cursor.h"
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#include "kis_tool_pan.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_move_event.h"
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KisToolPan::KisToolPan()
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: super(i18n("Pan Tool"))
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{
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setName("tool_pan");
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m_subject = 0;
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m_dragging = false;
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m_openHandCursor = KisCursor::openHandCursor();
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m_closedHandCursor = KisCursor::closedHandCursor();
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setCursor(m_openHandCursor);
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}
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KisToolPan::~KisToolPan()
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{
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}
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void KisToolPan::update(KisCanvasSubject *subject)
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{
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m_subject = subject;
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super::update(m_subject);
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}
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void KisToolPan::buttonPress(KisButtonPressEvent *e)
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{
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if (m_subject && !m_dragging && e->button() == Qt::LeftButton) {
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KisCanvasController *controller = m_subject->canvasController();
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m_origScrollX = controller->horzValue();
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m_origScrollY = controller->vertValue();
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m_dragPos = controller->windowToView(e->pos());
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m_dragging = true;
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setCursor(m_closedHandCursor);
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}
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}
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void KisToolPan::move(KisMoveEvent *e)
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{
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if (m_subject && m_dragging) {
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KisCanvasController *controller = m_subject->canvasController();
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KisPoint currPos = controller->windowToView(e->pos());
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KisPoint delta = currPos - m_dragPos;
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controller->scrollTo(m_origScrollX - delta.floorX(), m_origScrollY - delta.floorY());
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}
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}
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void KisToolPan::buttonRelease(KisButtonReleaseEvent *e)
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{
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if (m_subject && m_dragging && e->button() == Qt::LeftButton) {
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setCursor(m_openHandCursor);
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m_dragging = false;
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}
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}
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void KisToolPan::setup(TDEActionCollection *collection)
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{
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m_action = static_cast<TDERadioAction *>(collection->action(name()));
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if (m_action == 0) {
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m_action = new TDERadioAction(i18n("&Pan"), "tool_pan", TQt::SHIFT+TQt::Key_H, this, TQT_SLOT(activate()), collection, name());
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m_action->setToolTip(i18n("Pan"));
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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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#include "kis_tool_pan.moc"
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