-// 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 "applicationwindow.h"
-#include "container.h"
-#include "drawingview.h"
-#include "line.h"
-#include "mathconstants.h"
-#include "painter.h"
-
-
-enum { FIRST_POINT, NEXT_POINT };
-
-
-MirrorAction::MirrorAction(): state(FIRST_POINT), line(NULL),
- shiftWasPressedOnNextPoint(false), ctrlWasPressed(false),
- mirror(new Container(Vector()))
-{
- ApplicationWindow::drawing->document.CopySelectedContentsTo(mirror);
- mirror->Save();
-}
-
-
-MirrorAction::~MirrorAction()
-{
-}
-
-
-/*virtual*/ void MirrorAction::Draw(Painter * painter)
-{
- painter->SetPen(QPen(Qt::red, 2.0, Qt::DotLine));
-
- if (state == FIRST_POINT)
- {
- painter->DrawHandle(p1);
- }
- else
- {
- Vector reflectedP2 = -(p2 - p1);
- Point newP2 = p1 + reflectedP2;
- painter->DrawLine(newP2, p2);
- painter->DrawHandle(p1);
-
- double absAngle = (Vector(p2 - p1).Angle()) * RADIANS_TO_DEGREES;
-
- // Keep the angle between 0 and 180 degrees
- if (absAngle > 180.0)
- absAngle -= 180.0;
-
- QString text = QChar(0x2221) + QObject::tr(": %1");
- text = text.arg(absAngle);
-
- if (ctrlWasPressed)
- text += " (Copy)";
-
- painter->DrawInformativeText(text);
-
- // Draw the mirror only if there's been a line to mirror around
- if (p1 != p2)
- mirror->Draw(painter);
- }
-}
-
-
-/*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;
- mirror->Restore();
- mirror->Mirror(p1, p2);
- }
-}
-
-
-/*virtual*/ void MirrorAction::MouseReleased(void)
-{
- if (state == FIRST_POINT)
- {
- p2 = p1;
- state = NEXT_POINT;
- }
- else if (state == NEXT_POINT)
- {
- if (!ctrlWasPressed)
- {
- state = FIRST_POINT;
- ApplicationWindow::drawing->document.MirrorSelected(p1, p2);
-
- mirror->Clear();
- ApplicationWindow::drawing->document.CopySelectedContentsTo(mirror);
- mirror->Save();
- }
- else
- {
- mirror->CopyContentsTo(&(ApplicationWindow::drawing->document));
- }
- }
-}
-
-
-/*virtual*/ void MirrorAction::KeyDown(int key)
-{
- if ((key == Qt::Key_Shift) && (state == NEXT_POINT))
- {
- shiftWasPressedOnNextPoint = true;
- p1Save = p1;
- p1 = p2;
- state = FIRST_POINT;
- emit(NeedRefresh());
- }
- else if (key == Qt::Key_Control)
- {
- ctrlWasPressed = true;
- emit(NeedRefresh());
- }
-}
-
-
-/*virtual*/ void MirrorAction::KeyReleased(int key)
-{
- if ((key == Qt::Key_Shift) && shiftWasPressedOnNextPoint)
- {
- shiftWasPressedOnNextPoint = false;
- p2 = p1;
- p1 = p1Save;
- state = NEXT_POINT;
- emit(NeedRefresh());
- }
- else if (key == Qt::Key_Control)
- {
- ctrlWasPressed = false;
- emit(NeedRefresh());
- }
-}
-