init

2024-03-06 14:54:30 +08:00
commit edac2715f0
1525 changed files with 809982 additions and 0 deletions
--- a/actions/rs_actionzoomwindow.cpp
+++ b/actions/rs_actionzoomwindow.cpp
@@ -0,0 +1,171 @@
+/****************************************************************************
+**
+** 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<cmath>
+#include <QAction>
+#include <QMouseEvent>
+#include "rs_actionzoomwindow.h"
+
+#include "rs_dialogfactory.h"
+#include "rs_graphicview.h"
+#include "rs_line.h"
+#include "rs_preview.h"
+#include "rs_debug.h"
+
+struct RS_ActionZoomWindow::Points {
+	RS_Vector v1;
+	RS_Vector v2;
+};
+
+
+/**
+ * Default constructor.
+ *
+ * @param keepAspectRatio Keep the aspect ratio. true: the factors
+ *          in x and y will stay the same. false Exactly the chosen
+ *          area will be fit to the viewport.
+ */
+RS_ActionZoomWindow::RS_ActionZoomWindow(RS_EntityContainer& container,
+        RS_GraphicView& graphicView, bool keepAspectRatio)
+        : RS_PreviewActionInterface("Zoom Window",
+							container, graphicView)
+		, pPoints(new Points{})
+		, keepAspectRatio(keepAspectRatio)
+{
+}
+
+RS_ActionZoomWindow::~RS_ActionZoomWindow() = default;
+
+
+void RS_ActionZoomWindow::init(int status) {
+    RS_DEBUG->print("RS_ActionZoomWindow::init()");
+
+    RS_PreviewActionInterface::init(status);
+	pPoints.reset(new Points{});
+	//deleteSnapper();
+   // snapMode.clear();
+   // snapMode.restriction = RS2::RestrictNothing;
+}
+
+
+
+void RS_ActionZoomWindow::trigger() {
+    RS_DEBUG->print("RS_ActionZoomWindow::trigger()");
+
+    RS_PreviewActionInterface::trigger();
+
+	if (pPoints->v1.valid && pPoints->v2.valid) {
+        deletePreview();
+        //deleteSnapper();
+		if (graphicView->toGuiDX(pPoints->v1.distanceTo(pPoints->v2))>5) {
+			graphicView->zoomWindow(pPoints->v1, pPoints->v2, keepAspectRatio);
+            init();
+        }
+    }
+}
+
+
+
+void RS_ActionZoomWindow::mouseMoveEvent(QMouseEvent* e) {
+    snapFree(e);
+    drawSnapper();
+	if (getStatus()==SetSecondCorner && pPoints->v1.valid) {
+		pPoints->v2 = snapFree(e);
+        deletePreview();
+		preview->addRectangle(pPoints->v1, pPoints->v2);
+        drawPreview();
+    }
+}
+
+
+
+void RS_ActionZoomWindow::mousePressEvent(QMouseEvent* e) {
+    if (e->button()==Qt::LeftButton) {
+        switch (getStatus()) {
+        case SetFirstCorner:
+			pPoints->v1 = snapFree(e);
+            drawSnapper();
+            setStatus(SetSecondCorner);
+            break;
+
+        default:
+            break;
+        }
+    }
+
+    RS_DEBUG->print("RS_ActionZoomWindow::mousePressEvent(): %f %f",
+					pPoints->v1.x, pPoints->v1.y);
+}
+
+
+
+void RS_ActionZoomWindow::mouseReleaseEvent(QMouseEvent* e) {
+    RS_DEBUG->print("RS_ActionZoomWindow::mouseReleaseEvent()");
+
+    if (e->button()==Qt::RightButton) {
+        if (getStatus()==SetSecondCorner) {
+            deletePreview();
+        }
+        init(getStatus()-1);
+    } else if (e->button()==Qt::LeftButton) {
+        if (getStatus()==SetSecondCorner) {
+			pPoints->v2 = snapFree(e);
+			if( fabs(pPoints->v1.x-pPoints->v2.x) < RS_TOLERANCE
+					|| fabs(pPoints->v1.y-pPoints->v2.y) < RS_TOLERANCE ) {//invalid zoom window
+                deletePreview();
+                init(getStatus()-1);
+            }
+            trigger();
+        }
+    }
+}
+
+
+
+void RS_ActionZoomWindow::updateMouseButtonHints() {
+    RS_DEBUG->print("RS_ActionZoomWindow::updateMouseButtonHints()");
+
+    switch (getStatus()) {
+    case SetFirstCorner:
+		RS_DIALOGFACTORY->updateMouseWidget(tr("Specify first edge"), tr("Cancel"));
+        break;
+    case SetSecondCorner:
+		RS_DIALOGFACTORY->updateMouseWidget(tr("Specify second edge"), tr("Back"));
+        break;
+    default:
+		RS_DIALOGFACTORY->updateMouseWidget();
+        break;
+    }
+}
+
+
+
+void RS_ActionZoomWindow::updateMouseCursor() {
+    graphicView->setMouseCursor(RS2::MagnifierCursor);
+}
+
+
+// EOF