From acb1721e94a49a4941bb11dfc2f832c3848aa204 Mon Sep 17 00:00:00 2001
From: neoraider <devnull@localhost>
Date: Fri, 8 Feb 2008 21:21:01 +0000
Subject: zoomedit: Implemented Rotate tool; added simple gates.

---
 ToolRotate.cpp | 70 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 ToolRotate.cpp

(limited to 'ToolRotate.cpp')

diff --git a/ToolRotate.cpp b/ToolRotate.cpp
new file mode 100644
index 0000000..6cd7626
--- /dev/null
+++ b/ToolRotate.cpp
@@ -0,0 +1,70 @@
+#include "ToolRotate.h"
+
+ToolRotate::ToolRotate(EditManager *editManager) : sidebar(editManager) {
+  this->editManager = editManager;
+  
+  pressed = false;
+  
+  image = gtk_image_new_from_stock(GTK_STOCK_MISSING_IMAGE, GTK_ICON_SIZE_BUTTON);
+  g_object_ref_sink(G_OBJECT(image));
+}
+
+ToolRotate::~ToolRotate() {
+  g_object_unref(G_OBJECT(image));
+}
+
+void ToolRotate::activate() {
+  pressed = false;
+  editManager->highlightHoveredObject();
+  editManager->setSelectedObject(NULL);
+}
+
+bool ToolRotate::buttonPress(unsigned int button) {
+  if(button != 1 || !editManager->getHoveredObject())
+    return false;
+  
+  pressed = true;
+  Vertex v = *editManager->getHoveredVertex() - editManager->getHoveredObject()->getCenter();
+  angle = atan2(v.getY(), v.getX());
+  
+  editManager->setSelectedObject(editManager->getHoveredObject());
+  
+  editManager->redraw();
+  sidebar.update();
+  
+  return true;
+}
+
+bool ToolRotate::buttonRelease(unsigned int button) {
+  if(button != 1)
+    return false;
+  
+  pressed = false;
+  
+  editManager->setSelectedObject(NULL);
+  
+  editManager->redraw();
+  sidebar.update();
+  
+  return true;
+}
+
+bool ToolRotate::motion() {
+  if(!pressed) {
+    editManager->highlightHoveredObject();
+    return true;
+  }
+  
+  if(!editManager->getHoveredVertex())
+    return false;
+  
+  Vertex v = *editManager->getHoveredVertex() - editManager->getSelectedObject()->getCenter();
+  
+  float a = atan2(v.getY(), v.getX());
+  
+  editManager->getSelectedObject()->rotate(a-angle);
+  
+  angle = a;
+  
+  return false;
+}
-- 
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