//
// STILL TO BE DONE:
//
+// - Lots of stuff
//
// Uncomment this for debugging...
#define BACKGROUND_MAX_SIZE 512
+// Class variable
+//Container DrawingView::document(Vector(0, 0));
+
DrawingView::DrawingView(QWidget * parent/*= NULL*/): QWidget(parent),
// The value in the settings file will override this.
useAntialiasing(true),
gridBackground(BACKGROUND_MAX_SIZE, BACKGROUND_MAX_SIZE),
- scale(1.0), offsetX(-10), offsetY(-10),
- document(Vector(0, 0)),
- gridSpacing(12.0), gridPixels(0), collided(false), rotateTool(false),
- rx(150.0), ry(150.0),
- scrollDrag(false), addLineTool(false), addCircleTool(false),
- addDimensionTool(false),
- toolAction(NULL)
+ scale(1.0), offsetX(-10), offsetY(-10), document(Vector(0, 0)),
+ gridPixels(0), collided(false), toolAction(NULL)
{
document.isTopLevelContainer = true;
setBackgroundRole(QPalette::Base);
setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
-// toolPalette = new ToolWindow();
-// CreateCursors();
-// setCursor(cur[TOOLSelect]);
-// setMouseTracking(true);
+ Object::gridSpacing = 12.0; // In base units (inch is default)
Line * line = new Line(Vector(5, 5), Vector(50, 40), &document);
document.Add(line);
we do! :-)
*/
- SetGridSize(12);
-}
-
-
-void DrawingView::SetRotateToolActive(bool state/*= true*/)
-{
- rotateTool = state;
- update();
+ SetGridSize(12); // This is in pixels
}
toolAction = action;
connect(toolAction, SIGNAL(ObjectReady(Object *)), this,
SLOT(AddNewObjectToDocument(Object *)));
+ connect(toolAction, SIGNAL(NeedRefresh()), this, SLOT(HandleActionUpdate()));
}
}
pmp.end();
// Set up new BG brush & zoom level (pixels per base unit)
- Painter::zoom = gridPixels / gridSpacing;
+// Painter::zoom = gridPixels / gridSpacing;
+ Painter::zoom = gridPixels / Object::gridSpacing;
UpdateGridBackground();
}
}
+void DrawingView::HandleActionUpdate(void)
+{
+ update();
+}
+
+
+void DrawingView::SetCurrentLayer(int layer)
+{
+ Object::currentLayer = layer;
+//printf("DrawingView::CurrentLayer = %i\n", layer);
+}
+
+
QPoint DrawingView::GetAdjustedMousePosition(QMouseEvent * event)
{
// This is undoing the transform, e.g. going from client coords to local coords.
}
-//
-// This looks strange, but it's really quite simple: We want a point that's
-// more than half-way to the next grid point to snap there while conversely we
-// want a point that's less than half-way to to the next grid point then snap
-// to the one before it. So we add half of the grid spacing to the point, then
-// divide by it so that we can remove the fractional part, then multiply it
-// back to get back to the correct answer.
-//
-Vector DrawingView::SnapPointToGrid(Vector point)
-{
- point += gridSpacing / 2.0; // *This* adds to Z!!!
- point /= gridSpacing;
- point.x = floor(point.x);//need to fix this for negative numbers...
- point.y = floor(point.y);
- point.z = 0; // Make *sure* Z doesn't go anywhere!!!
- point *= gridSpacing;
- return point;
-}
-
-
void DrawingView::paintEvent(QPaintEvent * /*event*/)
{
QPainter qtPainter(this);
if (useAntialiasing)
qtPainter.setRenderHint(QPainter::Antialiasing);
-// Painter::screenSize = Vector(size().width(), size().height());
Object::SetViewportHeight(size().height());
// Draw coordinate axes
-
painter.SetPen(QPen(Qt::blue, 1.0, Qt::DotLine));
painter.DrawLine(0, -16384, 0, 16384);
painter.DrawLine(-16384, 0, 16384, 0);
- // Draw supplemental (tool related) points
-// NOTE that this can be done as an action!
-// In that case, we would need access to the document...
-// [We can do that by making the document a class object...]
- if (rotateTool)
- {
- painter.SetPen(QPen(QColor(0, 200, 0), 2.0, Qt::SolidLine));
- painter.DrawLine(rx - 10, ry, rx + 10, ry);
- painter.DrawLine(rx, ry - 10, rx, ry + 10);
- }
-
-// Maybe we can make the grid into a background brush instead, and let Qt deal
-// with it??? YES!!
-
// The top level document takes care of rendering for us...
document.Draw(&painter);
if (toolAction)
{
-// painter.SetPen(QPen(Qt::green, 1.0, Qt::DashLine));
painter.SetPen(QPen(QColor(200, 100, 0, 255), 1.0, Qt::DashLine));
painter.DrawCrosshair(oldPoint);
toolAction->Draw(&painter);
if (Object::selectionInProgress)
{
-// painter.SetPen(QPen(Qt::green, 1.0, Qt::SolidLine));
painter.SetPen(QPen(QColor(255, 127, 0, 255)));
-// painter.SetBrush(QBrush(Qt::NoBrush));
painter.SetBrush(QBrush(QColor(255, 127, 0, 100)));
painter.DrawRect(Object::selection);
}
if (event->button() == Qt::LeftButton)
{
Vector point = Painter::QtToCartesianCoords(Vector(event->x(), event->y()));
-
-// Problem with this: Can't select stuff very well with the snap grid on.
-// Completely screws things up.
- if (Object::snapToGrid)
- point = SnapPointToGrid(point);
-
collided = document.Collided(point);
+ // Do an update if collided with at least *one* object in the document
if (collided)
- update(); // Do an update if collided with at least *one* object in the document
+ update();
if (toolAction)
+ {
+ if (Object::snapToGrid)
+ point = Object::SnapPointToGrid(point);
+
toolAction->MouseDown(point);
+ }
// Didn't hit any object and not using a tool, so do a selection rectangle
if (!(collided || toolAction))
point = Vector(event->x(), event->y());
// Since we're using Qt coords for scrolling, we have to adjust them here to
// conform to Cartesian coords, since the origin is using Cartesian. :-)
- Vector delta(point, oldPoint);
+// Vector delta(point, oldPoint);
+ Vector delta(oldPoint, point);
delta /= Painter::zoom;
delta.y = -delta.y;
Painter::origin -= delta;
}
// Grid processing...
-#if 1
if ((event->buttons() & Qt::LeftButton) && Object::snapToGrid)
{
-#if 0
- point += gridSpacing / 2.0; // *This* adds to Z!!!
- point /= gridSpacing;
-//200% is ok, gridSpacing = 6 in this case...
-//won't run into problems until gridSpacing = 1.5 (zoom = 800%)
-//run into problems with this approach: when zoom level is 200% this truncates to
-//integers, which is *not* what's wanted here...
- point.x = floor(point.x);//need to fix this for negative numbers...
- point.y = floor(point.y);
- point.z = 0; // Make *sure* Z doesn't go anywhere!!!
- point *= gridSpacing;
-#else
- point = SnapPointToGrid(point);
-#endif
+ point = Object::SnapPointToGrid(point);
}
-#endif
+
oldPoint = point;
//we should keep track of the last point here and only pass this down *if* the point
//changed...
{
if (Object::snapToGrid)
{
- point = SnapPointToGrid(point);
+ point = Object::SnapPointToGrid(point);
oldPoint = point;
}
}
}
+
+void DrawingView::wheelEvent(QWheelEvent * event)
+{
+ double zoomFactor = 1.25;
+ QSize sizeWin = size();
+ Vector center(sizeWin.width() / 2.0, sizeWin.height() / 2.0);
+ center = Painter::QtToCartesianCoords(center);
+
+ // This is not centering for some reason. Need to figure out why. :-/
+ if (event->delta() > 0)
+ {
+ Vector newOrigin = center - ((center - Painter::origin) / zoomFactor);
+ Painter::origin = newOrigin;
+ Painter::zoom *= zoomFactor;
+ }
+ else
+ {
+ Vector newOrigin = center + ((-center + Painter::origin) * zoomFactor);
+ Painter::origin = newOrigin;
+ Painter::zoom /= zoomFactor;
+ }
+
+// Object::gridSpacing = gridPixels / Painter::zoom;
+// UpdateGridBackground();
+ SetGridSize(Object::gridSpacing * Painter::zoom);
+ update();
+// zoomIndicator->setText(QString("Grid: %1\", BU: Inch").arg(Object::gridSpacing));
+}
+
+
+void DrawingView::keyPressEvent(QKeyEvent * event)
+{
+ if (toolAction)
+ toolAction->KeyDown(event->key());
+}
+
+
+void DrawingView::keyReleaseEvent(QKeyEvent * event)
+{
+ if (toolAction)
+ toolAction->KeyReleased(event->key());
+}
+
projects / architektonas / blobdiff