+// mirroraction.cpp: Action class for mirroring selected objects
+//
+// Part of the Architektonas Project
+// (C) 2011 Underground Software
+// See the README and GPLv3 files for licensing and warranty information
+//
+// JLH = James Hammons <jlhamm@acm.org>
+//
+// WHO WHEN WHAT
+// --- ---------- ------------------------------------------------------------
+// JLH 08/27/2011 Created this file
+//
+
+#include "mirroraction.h"
+#include "line.h"
+#include "painter.h"
+//#include "vector.h"
+
+
+//#define FIRST_POINT 0
+//#define NEXT_POINT 1
+enum { FIRST_POINT, NEXT_POINT };
+
+
+MirrorAction::MirrorAction(): state(FIRST_POINT), line(NULL),
+ shiftWasPressedOnNextPoint(false)
+{
+}
+
+
+MirrorAction::~MirrorAction()
+{
+}
+
+
+/*virtual*/ void MirrorAction::Draw(Painter * painter)
+{
+ painter->SetPen(QPen(Qt::red, 2.0, Qt::DotLine));
+
+ // I think stuff like crosshairs should be done in the DrawingView, tho
+ // (and it's done there now...)
+ if (state == FIRST_POINT)
+ {
+ painter->DrawHandle(p1);
+ }
+ else
+ {
+ painter->DrawLine(p1, p2);
+ painter->DrawHandle(p2);
+
+ QString text = tr("Length: %1 in.");
+ text = text.arg(Vector::Magnitude(p1, p2));
+ painter->DrawInformativeText(text);
+ }
+}
+
+
+/*virtual*/ void MirrorAction::MouseDown(Vector point)
+{
+ // Clear our override...
+ shiftWasPressedOnNextPoint = false;
+
+ if (state == FIRST_POINT)
+ p1 = point;
+ else
+ p2 = point;
+}
+
+
+/*virtual*/ void MirrorAction::MouseMoved(Vector point)
+{
+ if (state == FIRST_POINT)
+ p1 = point;
+ else
+ p2 = point;
+}
+
+
+/*virtual*/ void MirrorAction::MouseReleased(void)
+{
+ if (state == FIRST_POINT)
+ {
+ p2 = p1;
+ state = NEXT_POINT;
+ }
+ else if (state == NEXT_POINT)
+ {
+ // We create the new object here, and then pass it off to the
+ // DrawingView which stuffs it into the document.
+// line = new Line(p1, p2);
+ // We don't need no stinkin' sentinels, when we have signals & slots!
+// emit ObjectReady(line);
+
+ p1 = p2;
+ state = NEXT_POINT;
+ }
+}
+
+
+/*virtual*/ bool MirrorAction::KeyDown(int key)
+{
+ if ((key == Qt::Key_Shift) && (state == NEXT_POINT))
+ {
+ shiftWasPressedOnNextPoint = true;
+ p1Save = p1;
+ p1 = p2;
+ state = FIRST_POINT;
+ return true;
+ }
+
+ return false;
+}
+
+
+/*virtual*/ bool MirrorAction::KeyReleased(int key)
+{
+ if ((key == Qt::Key_Shift) && shiftWasPressedOnNextPoint)
+ {
+ shiftWasPressedOnNextPoint = false;
+ p2 = p1;
+ p1 = p1Save;
+ state = NEXT_POINT;
+ return true;
+ }
+
+ return false;
+}
+