init

2024-03-06 14:54:30 +08:00
commit edac2715f0
1525 changed files with 809982 additions and 0 deletions
--- a/actions/rs_actiondrawlinetangent1.cpp
+++ b/actions/rs_actiondrawlinetangent1.cpp
@@ -0,0 +1,207 @@
+/****************************************************************************
+**
+** 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<QAction>
+#include <QMouseEvent>
+#include "rs_actiondrawlinetangent1.h"
+
+#include "rs_dialogfactory.h"
+#include "rs_graphicview.h"
+#include "rs_creation.h"
+#include "rs_line.h"
+#include "rs_coordinateevent.h"
+#include "rs_preview.h"
+#include "rs_debug.h"
+
+RS_ActionDrawLineTangent1::RS_ActionDrawLineTangent1(
+		RS_EntityContainer& container,
+		RS_GraphicView& graphicView)
+	:RS_PreviewActionInterface("Draw Tangents 1", container, graphicView)
+	,tangent(nullptr)
+	,point(new RS_Vector{})
+	,circle(nullptr)
+{
+	actionType=RS2::ActionDrawLineTangent1;
+}
+
+RS_ActionDrawLineTangent1::~RS_ActionDrawLineTangent1() = default;
+
+void RS_ActionDrawLineTangent1::trigger() {
+	RS_PreviewActionInterface::trigger();
+
+	if (tangent) {
+		RS_Entity* newEntity = nullptr;
+
+		newEntity = new RS_Line(container,
+								tangent->getData());
+
+		if (newEntity) {
+			if(circle){
+				circle->setHighlighted(false);
+				graphicView->drawEntity(circle);
+			}
+
+			newEntity->setLayerToActive();
+			newEntity->setPenToActive();
+			container->addEntity(newEntity);
+
+			// upd. undo list:
+			if (document) {
+				document->startUndoCycle();
+				document->addUndoable(newEntity);
+				document->endUndoCycle();
+			}
+
+			graphicView->redraw(RS2::RedrawDrawing);
+
+			setStatus(SetPoint);
+		}
+		tangent.reset();
+	} else {
+		RS_DEBUG->print("RS_ActionDrawLineTangent1::trigger:"
+						" Entity is nullptr\n");
+	}
+}
+
+
+
+void RS_ActionDrawLineTangent1::mouseMoveEvent(QMouseEvent* e) {
+	RS_DEBUG->print("RS_ActionDrawLineTangent1::mouseMoveEvent begin");
+
+	RS_Vector mouse(graphicView->toGraphX(e->x()),
+					graphicView->toGraphY(e->y()));
+
+	switch (getStatus()) {
+	case SetPoint:
+		*point = snapPoint(e);
+		break;
+
+	case SetCircle: {
+		RS_Entity* en = catchEntity(e, circleType, RS2::ResolveAll);
+		if (en && (en->isArc() ||
+				   en->rtti()==RS2::EntitySplinePoints)) {
+			if(circle){
+				circle->setHighlighted(false);
+				graphicView->drawEntity(en);
+			}
+			circle = en;
+			circle->setHighlighted(true);
+			graphicView->drawEntity(en);
+
+
+			RS_Creation creation(nullptr, nullptr);
+			tangent.reset(
+						creation.createTangent1(mouse,
+												*point,
+												circle)
+						);
+
+			if (tangent) {
+				deletePreview();
+				preview->addEntity(tangent->clone());
+				drawPreview();
+			}
+		}
+	}
+		break;
+
+	default:
+		break;
+	}
+
+	RS_DEBUG->print("RS_ActionDrawLineTangent1::mouseMoveEvent end");
+}
+
+void RS_ActionDrawLineTangent1::mouseReleaseEvent(QMouseEvent* e) {
+
+	if (e->button()==Qt::RightButton) {
+		deletePreview();
+		if(circle){
+			circle->setHighlighted(false);
+			graphicView->drawEntity(circle);
+		}
+		init(getStatus()-1);
+	} else {
+		switch (getStatus()) {
+		case SetPoint: {
+			RS_CoordinateEvent ce(snapPoint(e));
+			coordinateEvent(&ce);
+		}
+			break;
+
+		case SetCircle:
+			if(tangent){
+				trigger();
+			}
+			break;
+		}
+	}
+}
+
+void RS_ActionDrawLineTangent1::coordinateEvent(RS_CoordinateEvent* e) {
+	if (!e) return;
+	switch (getStatus()) {
+	case SetPoint:
+		*point = e->getCoordinate();
+		graphicView->moveRelativeZero(*point);
+		setStatus(SetCircle);
+		break;
+
+	default:
+		break;
+	}
+}
+
+void RS_ActionDrawLineTangent1::updateMouseButtonHints() {
+	switch (getStatus()) {
+	case SetPoint:
+		RS_DIALOGFACTORY->updateMouseWidget(tr("Specify point"),
+											tr("Cancel"));
+		break;
+	case SetCircle:
+		RS_DIALOGFACTORY->updateMouseWidget(tr("Select circle, arc or ellipse"),
+											tr("Back"));
+		break;
+	default:
+		RS_DIALOGFACTORY->updateMouseWidget();
+		break;
+	}
+}
+
+void RS_ActionDrawLineTangent1::updateMouseCursor()
+{
+    switch (getStatus())
+    {
+        case SetPoint:
+            graphicView->setMouseCursor(RS2::CadCursor);
+            break;
+        case SetCircle:
+            graphicView->setMouseCursor(RS2::SelectCursor);
+            break;
+    }
+}
+
+// EOF