init

2024-03-06 14:54:30 +08:00
commit edac2715f0
1525 changed files with 809982 additions and 0 deletions
--- a/lib/actions/rs_previewactioninterface.cpp
+++ b/lib/actions/rs_previewactioninterface.cpp
@@ -0,0 +1,130 @@
+/****************************************************************************
+**
+** 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 "rs_previewactioninterface.h"
+
+#include "rs_graphicview.h"
+#include "rs_preview.h"
+#include "rs_debug.h"
+
+/**
+ * Constructor.
+ *
+ * Sets the entity container on which the action class inherited
+ * from this interface operates.
+ */
+RS_PreviewActionInterface::RS_PreviewActionInterface(const char* name,
+													 RS_EntityContainer& container,
+													 RS_GraphicView& graphicView) :
+	RS_ActionInterface(name, container, graphicView)
+  ,preview(new RS_Preview(&container))
+//  ,offset(new RS_Vector{})
+{
+
+    RS_DEBUG->print("RS_PreviewActionInterface::RS_PreviewActionInterface: Setting up action with preview: \"%s\"", name);
+
+    // preview is linked to the container for getting access to
+    //   document settings / dictionary variables
+
+    preview->setLayer(NULL);
+    hasPreview = true;
+
+    RS_DEBUG->print("RS_PreviewActionInterface::RS_PreviewActionInterface: Setting up action with preview: \"%s\": OK", name);
+}
+
+
+
+/** Destructor */
+RS_PreviewActionInterface::~RS_PreviewActionInterface() {
+    deletePreview();
+}
+
+
+
+void RS_PreviewActionInterface::init(int status) {
+    deletePreview();
+    RS_ActionInterface::init(status);
+}
+
+
+
+void RS_PreviewActionInterface::finish(bool updateTB) {
+    deletePreview();
+    RS_ActionInterface::finish(updateTB);
+}
+
+
+
+void RS_PreviewActionInterface::suspend() {
+    RS_ActionInterface::suspend();
+    deletePreview();
+}
+
+
+
+void RS_PreviewActionInterface::resume() {
+    RS_ActionInterface::resume();
+    drawPreview();
+}
+
+
+
+void RS_PreviewActionInterface::trigger() {
+    RS_ActionInterface::trigger();
+    deletePreview();
+}
+
+
+/**
+ * Deletes the preview from the screen.
+ */
+void RS_PreviewActionInterface::deletePreview() {
+		if (hasPreview){
+                //avoid deleting NULL or empty preview
+            preview->clear();
+            hasPreview=false;
+        }
+	if(!graphicView->isCleanUp()){
+		graphicView->getOverlayContainer(RS2::ActionPreviewEntity)->clear();
+	}
+}
+
+
+
+/**
+ * Draws / deletes the current preview.
+ */
+void RS_PreviewActionInterface::drawPreview() {
+	// RVT_PORT How does offset work??        painter->setOffset(offset);
+	RS_EntityContainer *container=graphicView->getOverlayContainer(RS2::ActionPreviewEntity);
+	container->clear();
+	container->setOwner(false); // Little hack for now so we don't delete the preview twice
+	container->addEntity(preview.get());
+	graphicView->redraw(RS2::RedrawOverlay);
+	hasPreview=true;
+}
+