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Chenwenxuan
327
actions/rs_actiondrawtext.cpp
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327
actions/rs_actiondrawtext.cpp
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/****************************************************************************
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**
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** This file is part of the LibreCAD project, a 2D CAD program
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**
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** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
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** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
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**
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 as published by the Free Software
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** Foundation and appearing in the file gpl-2.0.txt included in the
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** packaging of this file.
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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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** This copyright notice MUST APPEAR in all copies of the script!
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**
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**********************************************************************/
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#include <QAction>
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#include <QMouseEvent>
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#include "rs_actiondrawtext.h"
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#include "rs_dialogfactory.h"
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#include "rs_graphicview.h"
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#include "rs_commandevent.h"
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#include "rs_line.h"
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#include "rs_text.h"
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#include "rs_coordinateevent.h"
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#include "rs_preview.h"
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#include "rs_debug.h"
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struct RS_ActionDrawText::Points {
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RS_Vector pos;
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RS_Vector secPos;
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};
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RS_ActionDrawText::RS_ActionDrawText(RS_EntityContainer& container,
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RS_GraphicView& graphicView)
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:RS_PreviewActionInterface("Draw Text",
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container, graphicView)
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, pPoints(new Points{})
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,textChanged(true)
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{
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actionType=RS2::ActionDrawText;
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}
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RS_ActionDrawText::~RS_ActionDrawText() = default;
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void RS_ActionDrawText::init(int status) {
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RS_ActionInterface::init(status);
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switch (status) {
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case ShowDialog: {
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reset();
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RS_Text tmp(NULL, *data);
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if (RS_DIALOGFACTORY->requestTextDialog(&tmp)) {
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data.reset(new RS_TextData(tmp.getData()));
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setStatus(SetPos);
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showOptions();
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} else {
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hideOptions();
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setFinished();
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}
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}
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break;
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case SetPos:
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RS_DIALOGFACTORY->requestOptions(this, true, true);
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deletePreview();
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preview->setVisible(true);
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preparePreview();
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break;
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default:
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break;
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}
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}
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void RS_ActionDrawText::reset() {
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const QString text=data.get()?data->text:"";
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data.reset(new RS_TextData(RS_Vector(0.0,0.0), RS_Vector(0.0,0.0),
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1.0, 1.0,
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RS_TextData::VABaseline,
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RS_TextData::HALeft,
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RS_TextData::None,
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text,
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"standard",
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0.0,
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RS2::Update));
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}
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void RS_ActionDrawText::trigger() {
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RS_DEBUG->print("RS_ActionDrawText::trigger()");
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if (pPoints->pos.valid) {
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deletePreview();
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RS_Text* text = new RS_Text(container, *data);
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text->update();
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container->addEntity(text);
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if (document) {
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document->startUndoCycle();
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document->addUndoable(text);
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document->endUndoCycle();
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}
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graphicView->redraw(RS2::RedrawDrawing);
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textChanged = true;
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pPoints->secPos = {};
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setStatus(SetPos);
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}
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}
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void RS_ActionDrawText::preparePreview() {
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if (data->halign == RS_TextData::HAFit || data->halign == RS_TextData::HAAligned) {
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if (pPoints->secPos.valid) {
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RS_Line* text = new RS_Line(pPoints->pos, pPoints->secPos);
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preview->addEntity(text);
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}
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} else {
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data->insertionPoint = pPoints->pos;
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RS_Text* text = new RS_Text(preview.get(), *data);
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text->update();
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preview->addEntity(text);
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}
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textChanged = false;
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}
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void RS_ActionDrawText::mouseMoveEvent(QMouseEvent* e) {
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RS_DEBUG->print("RS_ActionDrawText::mouseMoveEvent begin");
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if (getStatus()==SetPos) {
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RS_Vector mouse = snapPoint(e);
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RS_Vector mov = mouse - pPoints->pos;
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pPoints->pos = mouse;
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if (textChanged || pPoints->pos.valid == false || preview->isEmpty()) {
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deletePreview();
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preparePreview();
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} else {
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preview->move(mov);
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preview->setVisible(true);
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}
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drawPreview();
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} else if (getStatus()==SetSecPos) {
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pPoints->secPos = snapPoint(e);
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deletePreview();
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preparePreview();
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drawPreview();
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}
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RS_DEBUG->print("RS_ActionDrawText::mouseMoveEvent end");
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}
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void RS_ActionDrawText::mouseReleaseEvent(QMouseEvent* e) {
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if (e->button()==Qt::LeftButton) {
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RS_CoordinateEvent ce(snapPoint(e));
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coordinateEvent(&ce);
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} else if (e->button()==Qt::RightButton) {
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deletePreview();
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//init(getStatus()-1);
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finish(false);
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}
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}
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void RS_ActionDrawText::coordinateEvent(RS_CoordinateEvent* e) {
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if (e==NULL) {
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return;
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}
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RS_Vector mouse = e->getCoordinate();
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switch (getStatus()) {
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case ShowDialog:
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break;
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case SetPos:
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data->insertionPoint = mouse;
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if (data->halign == RS_TextData::HAFit || data->halign == RS_TextData::HAAligned)
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setStatus(SetSecPos);
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else
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trigger();
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break;
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case SetSecPos:
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data->secondPoint = mouse;
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trigger();
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break;
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default:
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break;
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}
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}
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void RS_ActionDrawText::commandEvent(RS_CommandEvent* e) {
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QString c = e->getCommand().toLower();
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if (checkCommand("help", c)) {
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RS_DIALOGFACTORY->commandMessage(msgAvailableCommands()
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+ getAvailableCommands().join(", "));
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return;
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}
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switch (getStatus()) {
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case SetPos:
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if (checkCommand("text", c)) {
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deletePreview();
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graphicView->disableCoordinateInput();
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setStatus(SetText);
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}
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break;
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case SetText: {
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setText(e->getCommand());
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RS_DIALOGFACTORY->requestOptions(this, true, true);
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graphicView->enableCoordinateInput();
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setStatus(SetPos);
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}
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break;
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default:
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break;
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}
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}
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QStringList RS_ActionDrawText::getAvailableCommands() {
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QStringList cmd;
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if (getStatus()==SetPos) {
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cmd += command("text");
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}
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return cmd;
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}
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void RS_ActionDrawText::showOptions() {
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RS_ActionInterface::showOptions();
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RS_DIALOGFACTORY->requestOptions(this, true, true);
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}
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void RS_ActionDrawText::hideOptions() {
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RS_ActionInterface::hideOptions();
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RS_DIALOGFACTORY->requestOptions(this, false);
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}
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void RS_ActionDrawText::updateMouseButtonHints() {
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switch (getStatus()) {
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case SetPos:
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RS_DIALOGFACTORY->updateMouseWidget(tr("Specify insertion point"),
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tr("Cancel"));
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break;
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case SetSecPos:
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RS_DIALOGFACTORY->updateMouseWidget(tr("Specify second point"),
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tr("Cancel"));
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break;
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case ShowDialog:
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case SetText:
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RS_DIALOGFACTORY->updateMouseWidget(tr("Enter text:"),
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tr("Back"));
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break;
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default:
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RS_DIALOGFACTORY->updateMouseWidget();
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break;
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}
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}
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void RS_ActionDrawText::updateMouseCursor() {
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graphicView->setMouseCursor(RS2::CadCursor);
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}
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void RS_ActionDrawText::setText(const QString& t) {
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data->text = t;
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textChanged = true;
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}
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const QString& RS_ActionDrawText::getText() const{
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return data->text;
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}
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void RS_ActionDrawText::setAngle(double a) {
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data->angle = a;
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textChanged = true;
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}
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double RS_ActionDrawText::getAngle() const{
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return data->angle;
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}
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// EOF
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