init

2024-03-06 14:54:30 +08:00
commit edac2715f0
1525 changed files with 809982 additions and 0 deletions
--- a/actions/rs_actiondrawlinefree.cpp
+++ b/actions/rs_actiondrawlinefree.cpp
@@ -0,0 +1,153 @@
+/****************************************************************************
+**
+** 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_actiondrawlinefree.h"
+#include "rs_polyline.h"
+#include "rs_dialogfactory.h"
+#include "rs_graphicview.h"
+#include "rs_preview.h"
+#include "rs_debug.h"
+
+RS_ActionDrawLineFree::RS_ActionDrawLineFree(RS_EntityContainer& container,
+        RS_GraphicView& graphicView)
+        :RS_PreviewActionInterface("Draw freehand lines",
+					container, graphicView)
+		,vertex(new RS_Vector{})
+{
+	preview->setOwner(false);
+	actionType=RS2::ActionDrawLineFree;
+}
+
+RS_ActionDrawLineFree::~RS_ActionDrawLineFree() = default;
+
+void RS_ActionDrawLineFree::trigger() {
+	deleteSnapper();
+	if (polyline.get()) {
+		deletePreview();
+
+		polyline->endPolyline();
+		RS_VectorSolutions sol=polyline->getRefPoints();
+		if(sol.getNumber() > 2 ) {
+			RS_Entity* ent=polyline->clone();
+			container->addEntity(ent);
+			if (document) {
+				document->startUndoCycle();
+				document->addUndoable(ent);
+				document->endUndoCycle();
+			}
+			graphicView->redraw(RS2::RedrawDrawing);
+			RS_DEBUG->print("RS_ActionDrawLineFree::trigger():"
+							" polyline added: %d", ent->getId());
+		}
+		polyline.reset();
+	}
+	setStatus(SetStartpoint);
+}
+
+/*
+ * 11 Aug 2011, Dongxu Li
+ */
+
+void RS_ActionDrawLineFree::mouseMoveEvent(QMouseEvent* e) {
+    RS_Vector v = snapPoint(e);
+    drawSnapper();
+    if (getStatus()==Dragging && polyline.get()) {
+		if( (graphicView->toGui(v) - graphicView->toGui(*vertex)).squared()< 1. ){
+            //do not add the same mouse position
+            return;
+        }
+        auto ent = static_cast<RS_Polyline*>(polyline->addVertex(v));
+        if (ent->count()){
+            preview->addCloneOf(ent);
+            drawPreview();
+        }
+
+		*vertex = v;
+
+        RS_DEBUG->print("RS_ActionDrawLineFree::%s:"
+                        " line added: %d", __func__, ent->getId());
+    }
+}
+
+
+
+void RS_ActionDrawLineFree::mousePressEvent(QMouseEvent* e) {
+    if (e->button()==Qt::LeftButton) {
+        switch(getStatus()){
+        case SetStartpoint:
+            setStatus(Dragging);
+            // fall-through
+        case Dragging:
+			*vertex = snapPoint(e);
+			polyline.reset(new RS_Polyline(container,
+									   RS_PolylineData(*vertex, *vertex, 0))
+						   );
+            polyline->setLayerToActive();
+            polyline->setPenToActive();
+            break;
+        default:
+            break;
+
+        }
+    }
+    //else if (RS2::qtToRsButtonState(e->button())==RS2::RightButton && !vertex.valid) {
+    //}
+}
+
+void RS_ActionDrawLineFree::mouseReleaseEvent(QMouseEvent* e) {
+    if (e->button()==Qt::LeftButton) {
+        if(getStatus()==Dragging){
+		*vertex = {};
+        trigger();
+        }
+    } else if (e->button()==Qt::RightButton) {
+		if (polyline.get()) {
+			polyline.reset();
+        }
+        init(getStatus()-1);
+    }
+}
+
+void RS_ActionDrawLineFree::updateMouseButtonHints() {
+    switch (getStatus()) {
+    case SetStartpoint:
+    case Dragging:
+        RS_DIALOGFACTORY->updateMouseWidget(
+            tr("Click and drag to draw a line"), tr("Cancel"));
+        break;
+    default:
+        RS_DIALOGFACTORY->updateMouseWidget();
+        break;
+    }
+}
+
+void RS_ActionDrawLineFree::updateMouseCursor() {
+    graphicView->setMouseCursor(RS2::CadCursor);
+}
+
+// EOF