init

2024-03-06 14:54:30 +08:00
commit edac2715f0
1525 changed files with 809982 additions and 0 deletions
--- a/actions/rs_actiondrawlinetangent2.cpp
+++ b/actions/rs_actiondrawlinetangent2.cpp
@@ -0,0 +1,173 @@
+/****************************************************************************
+**
+** 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_actiondrawlinetangent2.h"
+
+#include "rs_dialogfactory.h"
+#include "rs_graphicview.h"
+#include "rs_creation.h"
+#include "rs_line.h"
+#include "rs_preview.h"
+#include "rs_debug.h"
+
+RS_ActionDrawLineTangent2::RS_ActionDrawLineTangent2(
+    RS_EntityContainer& container,
+    RS_GraphicView& graphicView)
+	:RS_PreviewActionInterface("Draw Tangents 2", container, graphicView)
+	,circle1(nullptr)
+	,circle2(nullptr)
+	,valid(false)
+{
+	actionType=RS2::ActionDrawLineTangent2;
+    setStatus(SetCircle1);
+}
+
+RS_ActionDrawLineTangent2::~RS_ActionDrawLineTangent2() = default;
+
+
+void RS_ActionDrawLineTangent2::finish(bool updateTB){
+    if(circle1){
+        circle1->setHighlighted(false);
+		graphicView->drawEntity(circle1);
+    }
+    RS_PreviewActionInterface::finish(updateTB);
+}
+
+void RS_ActionDrawLineTangent2::trigger() {
+    RS_PreviewActionInterface::trigger();
+
+	RS_Entity* newEntity = new RS_Line(container, *lineData);
+
+    if (newEntity) {
+        newEntity->setLayerToActive();
+        newEntity->setPenToActive();
+        container->addEntity(newEntity);
+
+        // upd. undo list:
+        if (document) {
+            document->startUndoCycle();
+            document->addUndoable(newEntity);
+            document->endUndoCycle();
+		}
+		clearHighlighted();
+
+        setStatus(SetCircle1);
+    }
+    tangent.reset();
+}
+
+void RS_ActionDrawLineTangent2::clearHighlighted()
+{
+	for(RS_Entity** p: {&circle1, &circle2}){
+		if(*p){
+			(*p)->setHighlighted(false);
+			graphicView->drawEntity(*p);
+			*p=nullptr;
+		}
+	}
+}
+
+void RS_ActionDrawLineTangent2::mouseMoveEvent(QMouseEvent* e) {
+//    RS_DEBUG->print("RS_ActionDrawLineTangent2::mouseMoveEvent begin");
+	e->accept();
+    if(getStatus() != SetCircle2) return;
+	RS_Entity* en= catchEntity(e, circleType, RS2::ResolveAll);
+	if(!en || en==circle1) return;
+	if(circle2){
+		circle2->setHighlighted(false);
+		graphicView->drawEntity(circle2);
+	}
+	circle2=en;
+	circle2->setHighlighted(true);
+	graphicView->drawEntity(circle2);
+	RS_Creation creation(nullptr, nullptr);
+    RS_Vector mouse(graphicView->toGraphX(e->x()),
+                    graphicView->toGraphY(e->y()));
+    tangent.reset(creation.createTangent2(mouse,
+                                          circle1,
+                                          circle2));
+	if(!tangent.get()){
+        valid=false;
+        return;
+    }
+    valid=true;
+	lineData.reset(new RS_LineData(tangent->getData()));
+
+    deletePreview();
+	preview->addEntity(new RS_Line(preview.get(), *lineData));
+    drawPreview();
+}
+
+void RS_ActionDrawLineTangent2::mouseReleaseEvent(QMouseEvent* e) {
+
+    if (e->button()==Qt::RightButton) {
+        deletePreview();
+		init(getStatus()-1);
+		if(getStatus()>=0){
+			clearHighlighted();
+        }
+        return;
+    }
+    switch (getStatus()) {
+    case SetCircle1:
+    {
+        circle1 = catchEntity(e, circleType, RS2::ResolveAll);
+		if(!circle1) return;
+        circle1->setHighlighted(true);
+		graphicView->drawEntity(circle1);
+        setStatus(getStatus()+1);
+    }
+        break;
+
+    case SetCircle2:
+        if(valid) trigger();
+        break;
+    }
+}
+
+void RS_ActionDrawLineTangent2::updateMouseButtonHints() {
+	switch (getStatus()) {
+	case SetCircle1:
+		RS_DIALOGFACTORY->updateMouseWidget(tr("Select first circle or ellipse"),
+											tr("Cancel"));
+		break;
+	case SetCircle2:
+		RS_DIALOGFACTORY->updateMouseWidget(tr("Select second circle or ellipse"),
+											tr("Back"));
+		break;
+	default:
+		RS_DIALOGFACTORY->updateMouseWidget();
+		break;
+	}
+}
+
+void RS_ActionDrawLineTangent2::updateMouseCursor() {
+    graphicView->setMouseCursor(RS2::SelectCursor);
+}
+
+// EOF