Files
newspark110/actions/rs_actiondefault.cpp
Chenwenxuan edac2715f0 init
2024-03-06 14:54:30 +08:00

425 lines
12 KiB
C++

/****************************************************************************
**
** This file is part of the LibreCAD project, a 2D CAD program
**
** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file gpl-2.0.txt included in the
** packaging of this file.
**
** 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
**
** This copyright notice MUST APPEAR in all copies of the script!
**
**********************************************************************/
#include<QMouseEvent>
#include "rs_actiondefault.h"
#include "rs_dialogfactory.h"
#include "rs_graphicview.h"
#include "rs_line.h"
#include "rs_coordinateevent.h"
#include "rs_commandevent.h"
#include "rs_modification.h"
#include "rs_selection.h"
#include "rs_overlaybox.h"
#include "rs_preview.h"
#include "rs_debug.h"
#include <cmath>
struct RS_ActionDefault::Points {
RS_Vector v1;
RS_Vector v2;
};
/**
* Constructor.
*/
RS_ActionDefault::RS_ActionDefault(RS_EntityContainer& container,
RS_GraphicView& graphicView)
: RS_PreviewActionInterface("Default",
container, graphicView)
, pPoints(new Points{})
, restrBak(RS2::RestrictNothing)
{
RS_DEBUG->print("RS_ActionDefault::RS_ActionDefault");
actionType=RS2::ActionDefault;
RS_DEBUG->print("RS_ActionDefault::RS_ActionDefault: OK");
}
RS_ActionDefault::~RS_ActionDefault() = default;
void RS_ActionDefault::init(int status) {
RS_DEBUG->print("RS_ActionDefault::init");
if(status==Neutral){
deletePreview();
deleteSnapper();
}
RS_PreviewActionInterface::init(status);
pPoints->v1 = pPoints->v2 = {};
// snapMode.clear();
// snapMode.restriction = RS2::RestrictNothing;
// restrBak = RS2::RestrictNothing;
// RS_DIALOGFACTORY->requestToolBar(RS2::ToolBarMain);
RS_DEBUG->print("RS_ActionDefault::init: OK");
}
void RS_ActionDefault::keyPressEvent(QKeyEvent* e) {
// std::cout<<"RS_ActionDefault::keyPressEvent(): begin"<<std::endl;
switch(e->key()){
case Qt::Key_Shift:
restrBak = snapMode.restriction;
setSnapRestriction(RS2::RestrictOrthogonal);
e->accept();
break; //avoid clearing command line at shift key
//cleanup default action, issue#285
case Qt::Key_Escape:
// std::cout<<"RS_ActionDefault::keyPressEvent(): Qt::Key_Escape"<<std::endl;
deletePreview();
deleteSnapper();
setStatus(Neutral);
e->accept();
break;
default:
e->ignore();
}
}
void RS_ActionDefault::keyReleaseEvent(QKeyEvent* e) {
if (e->key()==Qt::Key_Shift) {
setSnapRestriction(restrBak);
e->accept();
}
}
void RS_ActionDefault::mouseMoveEvent(QMouseEvent* e) {
RS_Vector mouse = graphicView->toGraph(e->x(), e->y());
RS_Vector relMouse = mouse - graphicView->getRelativeZero();
RS_DIALOGFACTORY->updateCoordinateWidget(mouse, relMouse);
switch (getStatus()) {
case Neutral:
deleteSnapper();
break;
case Dragging:
//v2 = graphicView->toGraph(e->x(), e->y());
pPoints->v2 = mouse;
if (graphicView->toGuiDX(pPoints->v1.distanceTo(pPoints->v2))>10) {
// look for reference points to drag:
double dist;
RS_Vector ref = container->getNearestSelectedRef(pPoints->v1, &dist);
if (ref.valid==true && graphicView->toGuiDX(dist)<8) {
RS_DEBUG->print("RS_ActionDefault::mouseMoveEvent: "
"moving reference point");
setStatus(MovingRef);
pPoints->v1 = ref;
graphicView->moveRelativeZero(pPoints->v1);
}
else {
// test for an entity to drag:
RS_Entity* en = catchEntity(pPoints->v1);
if (en && en->isSelected()) {
RS_DEBUG->print("RS_ActionDefault::mouseMoveEvent: "
"moving entity");
setStatus(Moving);
RS_Vector vp= en->getNearestRef(pPoints->v1);
if(vp.valid) pPoints->v1=vp;
//graphicView->moveRelativeZero(v1);
}
// no entity found. start area selection:
else {
setStatus(SetCorner2);
}
}
}
break;
case MovingRef:
pPoints->v2 = snapPoint(e);
RS_DIALOGFACTORY->updateCoordinateWidget(pPoints->v2, pPoints->v2 - graphicView->getRelativeZero());
if (e->modifiers() & Qt::ShiftModifier) {
mouse = snapToAngle(mouse, pPoints->v1, 15.);
pPoints->v2 = mouse;
}
deletePreview();
preview->addSelectionFrom(*container);
preview->moveRef(pPoints->v1, pPoints->v2 - pPoints->v1);
if (e->modifiers() & Qt::ShiftModifier) {
RS_Line *line = new RS_Line(pPoints->v1, mouse);
preview->addEntity(line);
line->setSelected(true);
}
drawPreview();
break;
case Moving:
pPoints->v2 = snapPoint(e);
RS_DIALOGFACTORY->updateCoordinateWidget(pPoints->v2, pPoints->v2 - graphicView->getRelativeZero());
if (e->modifiers() & Qt::ShiftModifier) {
mouse = snapToAngle(mouse, pPoints->v1, 15.);
pPoints->v2 = mouse;
}
deletePreview();
preview->addSelectionFrom(*container);
preview->move(pPoints->v2 - pPoints->v1);
if (e->modifiers() & Qt::ShiftModifier) {
RS_Line *line = new RS_Line(pPoints->v1, mouse);
preview->addEntity(line);
line->setSelected(true);
}
drawPreview();
break;
case SetCorner2:
if (pPoints->v1.valid) {
pPoints->v2 = mouse;
deletePreview();
RS_OverlayBox* ob=new RS_OverlayBox(preview.get(),
RS_OverlayBoxData(pPoints->v1, pPoints->v2));
preview->addEntity(ob);
drawPreview();
}
break;
case Panning:
{
RS_Vector const vTarget(e->x(), e->y());
RS_Vector const v01=vTarget - pPoints->v1;
if(v01.squared()>=64.){
graphicView->zoomPan((int) v01.x, (int) v01.y);
pPoints->v1=vTarget;
}
}
break;
default:
break;
}
}
void RS_ActionDefault::mousePressEvent(QMouseEvent* e) {
if (e->button()==Qt::LeftButton) {
switch (getStatus()) {
case Neutral:
{
auto const m=e->modifiers();
if(m & (Qt::ControlModifier|Qt::MetaModifier)){
pPoints->v1 = RS_Vector(e->x(), e->y());
setStatus(Panning);
} else {
pPoints->v1 = graphicView->toGraph(e->x(), e->y());
setStatus(Dragging);
}
}
break;
case Moving: {
pPoints->v2 = snapPoint(e);
if (e->modifiers() & Qt::ShiftModifier) {
pPoints->v2 = snapToAngle(pPoints->v2, pPoints->v1, 15.);
}
deletePreview();
RS_Modification m(*container, graphicView);
RS_MoveData data;
data.number = 0;
data.useCurrentLayer = false;
data.useCurrentAttributes = false;
data.offset = pPoints->v2 - pPoints->v1;
m.move(data);
setStatus(Neutral);
RS_DIALOGFACTORY->updateSelectionWidget(
container->countSelected(),container->totalSelectedLength());
deleteSnapper();
}
break;
case MovingRef: {
pPoints->v2 = snapPoint(e);
if (e->modifiers() & Qt::ShiftModifier) {
pPoints->v2 = snapToAngle(pPoints->v2, pPoints->v1, 15.);
}
deletePreview();
RS_Modification m(*container, graphicView);
RS_MoveRefData data;
data.ref = pPoints->v1;
data.offset = pPoints->v2 - pPoints->v1;
m.moveRef(data);
//container->moveSelectedRef(v1, v2-v2);
setStatus(Neutral);
RS_DIALOGFACTORY->updateSelectionWidget(
container->countSelected(),container->totalSelectedLength());
}
break;
default:
break;
}
} else if (e->button()==Qt::RightButton) {
//cleanup
setStatus(Neutral);
e->accept();
}
}
void RS_ActionDefault::mouseReleaseEvent(QMouseEvent* e) {
RS_DEBUG->print("RS_ActionDefault::mouseReleaseEvent()");
if (e->button()==Qt::LeftButton) {
pPoints->v2 = graphicView->toGraph(e->x(), e->y());
switch (getStatus()) {
case Dragging: {
// select single entity:
RS_Entity* en = catchEntity(e);
if (en) {
deletePreview();
RS_Selection s(*container, graphicView);
s.selectSingle(en);
RS_DIALOGFACTORY->updateSelectionWidget(
container->countSelected(),container->totalSelectedLength());
e->accept();
setStatus(Neutral);
} else {
setStatus(SetCorner2);
}
}
break;
case SetCorner2: {
//v2 = snapPoint(e);
pPoints->v2 = graphicView->toGraph(e->x(), e->y());
// select window:
//if (graphicView->toGuiDX(v1.distanceTo(v2))>20) {
deletePreview();
bool cross = (pPoints->v1.x > pPoints->v2.x);
RS_Selection s(*container, graphicView);
bool select = (e->modifiers() & Qt::ShiftModifier) ? false : true;
s.selectWindow(pPoints->v1, pPoints->v2, select, cross);
RS_DIALOGFACTORY->updateSelectionWidget(
container->countSelected(),container->totalSelectedLength());
setStatus(Neutral);
e->accept();
//}
}
break;
case Panning:
setStatus(Neutral);
break;
default:
break;
}
} else if (e->button()==Qt::RightButton) {
//cleanup
setStatus(Neutral);
e->accept();
}
}
void RS_ActionDefault::commandEvent(RS_CommandEvent* e) {
QString c = e->getCommand().toLower();
// if the current action can't deal with the command,
// it might be intended to launch a new command
//if (!e.isAccepted()) {
// command for new action:
//RS2::ActionType type = RS_COMMANDS->cmdToAction(c);
//if (type!=RS2::ActionNone) {
//graphicView->setCurrentAction(type);
//return true;
//}
//}
}
QStringList RS_ActionDefault::getAvailableCommands() {
QStringList cmd;
//cmd += "line";
//cmd += "rectangle";
return cmd;
}
void RS_ActionDefault::updateMouseButtonHints() {
switch (getStatus()) {
case Neutral:
RS_DIALOGFACTORY->updateMouseWidget();
break;
case SetCorner2:
RS_DIALOGFACTORY->updateMouseWidget(tr("Choose second edge"),
tr("Back"));
break;
default:
RS_DIALOGFACTORY->updateMouseWidget();
break;
}
}
void RS_ActionDefault::updateMouseCursor() {
switch (getStatus()) {
case Neutral:
graphicView->setMouseCursor(RS2::ArrowCursor);
break;
case Moving:
case MovingRef:
graphicView->setMouseCursor(RS2::SelectCursor);
break;
case Panning:
graphicView->setMouseCursor(RS2::ClosedHandCursor);
break;
default:
break;
}
}
// EOF