// JLH = James Hammons <jlhamm@acm.org>
//
// Who When What
-// --- ---------- -------------------------------------------------------------
+// --- ---------- ------------------------------------------------------------
// JLH 03/22/2011 Created this file
// JLH 09/29/2011 Added middle mouse button panning
//
// STILL TO BE DONE:
//
// - Lots of stuff
+// - Layer locking (hiding works)
//
// Uncomment this for debugging...
#define BACKGROUND_MAX_SIZE 512
-enum { ToolMouseDown, ToolMouseMove, ToolMouseUp };
-
-// 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), numSelected(0), numHovered(0), shiftDown(false),
- ctrlDown(false), overrideColor(false),
+ useAntialiasing(true), /*numSelected(0),*/ numHovered(0), shiftDown(false),
+ ctrlDown(false),
gridBackground(BACKGROUND_MAX_SIZE, BACKGROUND_MAX_SIZE),
- scale(1.0), offsetX(-10), offsetY(-10),// document(Vector(0, 0)),
- gridPixels(0), collided(false)//, toolAction(NULL)
+ scale(1.0), offsetX(-10), offsetY(-10), document(true),
+ gridPixels(0), collided(false), hoveringIntersection(false)
{
-// document.isTopLevelContainer = true;
//wtf? doesn't work except in c++11??? document = { 0 };
setBackgroundRole(QPalette::Base);
setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
line->thickness = 2.0;
line->style = LSDash;
line->color = 0xFF7F00;
+ line->layer = 0;
document.objects.push_back(line);
document.objects.push_back(new Line(Vector(50, 40), Vector(10, 83)));
document.objects.push_back(new Line(Vector(10, 83), Vector(17, 2)));
document.objects.push_back(new Circle(Vector(100, 100), 36));
document.objects.push_back(new Circle(Vector(50, 150), 49));
- document.objects.push_back(new Arc(Vector(300, 300), 32, PI / 4.0, PI * 1.3)),
- document.objects.push_back(new Arc(Vector(200, 200), 60, PI / 2.0, PI * 1.5));
+ document.objects.push_back(new Arc(Vector(300, 300), 32, TAU / 8.0, TAU * 0.65)),
+ document.objects.push_back(new Arc(Vector(200, 200), 60, TAU / 4.0, TAU * 0.75));
document.objects.push_back(new Dimension(Vector(50, 40), Vector(5, 5)));
document.objects.push_back(new Text(Vector(10, 83), "Here is some awesome text!"));
#endif
}
-#if 0
-void DrawingView::SetToolActive(Action * action)
-{
- if (action != NULL)
- {
- toolAction = action;
- connect(toolAction, SIGNAL(ObjectReady(Object *)), this,
- SLOT(AddNewObjectToDocument(Object *)));
- connect(toolAction, SIGNAL(NeedRefresh()), this, SLOT(HandleActionUpdate()));
- }
-}
-#endif
-
-
void DrawingView::SetGridSize(uint32_t size)
{
// Sanity check
pmp.end();
// Set up new BG brush & zoom level (pixels per base unit)
-// Painter::zoom = gridPixels / gridSpacing;
Global::zoom = gridPixels / Global::gridSpacing;
UpdateGridBackground();
}
}
-void DrawingView::AddNewObjectToDocument(Object * object)
+//
+// Basically, we just make a single pass through the Container. If the layer #
+// is less than the layer # being deleted, then do nothing. If the layer # is
+// equal to the layer # being deleted, then delete the object. If the layer #
+// is greater than the layer # being deleted, then set the layer # to its layer
+// # - 1.
+//
+void DrawingView::DeleteCurrentLayer(int layer)
{
- if (object)
+//printf("DrawingView::DeleteCurrentLayer(): currentLayer = %i\n", layer);
+ std::vector<void *>::iterator i = document.objects.begin();
+
+ while (i != document.objects.end())
{
-// object->Reparent(&document);
-// document.Add(object);
- update();
+ Object * obj = (Object *)(*i);
+
+ if (obj->layer < layer)
+ i++;
+ else if (obj->layer == layer)
+ {
+ document.objects.erase(i);
+ delete obj;
+ }
+ else
+ {
+ obj->layer--;
+ i++;
+ }
}
-//printf("DrawingView::AddNewObjectToDocument(). object=%08X\n", object);
+
+ // We've just done a destructive action, so update the screen!
+ update();
}
-void DrawingView::HandleActionUpdate(void)
+void DrawingView::HandleLayerToggle(void)
{
+ // A layer's visibility was toggled, so update the screen...
update();
}
-void DrawingView::SetCurrentLayer(int layer)
+//
+// A layer was moved up or down in the layer list, so we have to swap the
+// document's object's layer numbers in the layers that were swapped.
+//
+void DrawingView::HandleLayerSwap(int layer1, int layer2)
{
- Global::currentLayer = layer;
-//printf("DrawingView::CurrentLayer = %i\n", layer);
+//printf("DrawingView: Swapping layers %i and %i.\n", layer1, layer2);
+ std::vector<void *>::iterator i;
+
+ for(i=document.objects.begin(); i!=document.objects.end(); i++)
+ {
+ Object * obj = (Object *)(*i);
+
+ if (obj->layer == layer1)
+ obj->layer = layer2;
+ else if (obj->layer == layer2)
+ obj->layer = layer1;
+ }
}
QPoint DrawingView::GetAdjustedMousePosition(QMouseEvent * event)
{
- // This is undoing the transform, e.g. going from client coords to local coords.
- // In essence, the height - y is height + (y * -1), the (y * -1) term doing the
- // conversion of the y-axis from increasing bottom to top.
+ // This is undoing the transform, e.g. going from client coords to local
+ // coords. In essence, the height - y is height + (y * -1), the (y * -1)
+ // term doing the conversion of the y-axis from increasing bottom to top.
return QPoint(offsetX + event->x(), offsetY + (size().height() - event->y()));
}
{
// VOODOO ALERT (ON Y COMPONENT!!!!) (eh?)
// No voodoo here, it's just grouped wrong to see it. It should be:
- // -offsetY + (size.height() + (y * -1.0)) <-- this is wrong, offsetY should be positive
+ // -offsetY + (size.height() + (y * -1.0)) <-- this is wrong, offsetY should be positive [why? we use -offsetX after all]
return QPoint(-offsetX + x, (size().height() - (-offsetY + y)) * +1.0);
}
painter.DrawLine(-16384, 0, 16384, 0);
// Do object rendering...
- RenderObjects(&painter, document.objects);
+ for(int i=0; i<Global::numLayers; i++)
+ {
+ if (Global::layerHidden[i] == false)
+ RenderObjects(&painter, document.objects, i);
+ }
// Do tool rendering, if any...
if (Global::tool)
painter.SetBrush(QBrush(QColor(255, 127, 0, 100)));
painter.DrawRect(Global::selection);
}
+
+ if (hoveringIntersection)
+ painter.DrawHandle(intersectionPoint);
+
+ if (!informativeText.isEmpty())
+ painter.DrawInformativeText(informativeText);
}
//
// Renders objects in the passed in vector
//
-void DrawingView::RenderObjects(Painter * painter, std::vector<void *> & v)
+void DrawingView::RenderObjects(Painter * painter, std::vector<void *> & v, int layer, bool ignoreLayer/*= false*/)
{
std::vector<void *>::iterator i;
Object * obj = (Object *)(*i);
float scaledThickness = Global::scale * obj->thickness;
- if (!overrideColor)
+ // If the object isn't on the current layer being drawn, skip it
+ if (!ignoreLayer && (obj->layer != layer))
+ continue;
+
+ if ((Global::tool == TTRotate) && ctrlDown && obj->selected)
+ {
+ painter->SetPen(0x00FF00, 2.0, LSSolid);
+ }
+ else
{
painter->SetPen(obj->color, Global::zoom * scaledThickness, obj->style);
painter->SetBrush(obj->color);
switch (obj->type)
{
case OTLine:
- {
- Line * l = (Line *)obj;
- painter->DrawLine(l->p[0], l->p[1]);
+ painter->DrawLine(obj->p[0], obj->p[1]);
- if (l->hitPoint[0])
- painter->DrawHandle(l->p[0]);
+ if (obj->hitPoint[0])
+ painter->DrawHandle(obj->p[0]);
- if (l->hitPoint[1])
- painter->DrawHandle(l->p[1]);
+ if (obj->hitPoint[1])
+ painter->DrawHandle(obj->p[1]);
break;
- }
case OTCircle:
- {
- Circle * ci = (Circle *)obj;
painter->SetBrush(QBrush(Qt::NoBrush));
- painter->DrawEllipse(ci->p[0], ci->radius, ci->radius);
+ painter->DrawEllipse(obj->p[0], obj->radius[0], obj->radius[0]);
+
+ if (obj->hitPoint[0])
+ painter->DrawHandle(obj->p[0]);
+
break;
- }
case OTArc:
- {
- Arc * a = (Arc *)obj;
- painter->DrawArc(a->p[0], a->radius, a->angle1, a->angle2);
+ painter->DrawArc(obj->p[0], obj->radius[0], obj->angle[0], obj->angle[1]);
+
+ if (obj->hitPoint[0])
+ painter->DrawHandle(obj->p[0]);
+
+ if (obj->hitPoint[1])
+ painter->DrawHandle(obj->p[0] + (Vector(cos(obj->angle[0]), sin(obj->angle[0])) * obj->radius[0]));
+
+ if (obj->hitPoint[2])
+ painter->DrawHandle(obj->p[0] + (Vector(cos(obj->angle[0] + obj->angle[1]), sin(obj->angle[0] + obj->angle[1])) * obj->radius[0]));
+
break;
- }
case OTDimension:
{
Dimension * d = (Dimension *)obj;
if (d->subtype == DTLinearVert)
{
- if ((angle < 0) || (angle > PI))
+ if ((angle < 0) || (angle > HALF_TAU))
{
x1 = (d->p[0].x > d->p[1].x ? d->p[0].x : d->p[1].x);
y1 = (d->p[0].y > d->p[1].y ? d->p[0].y : d->p[1].y);
ortho = Vector(1.0, 0);
- angle = PI3_OVER_2;
+ angle = THREE_QTR_TAU;
}
else
{
x1 = (d->p[0].x > d->p[1].x ? d->p[1].x : d->p[0].x);
y1 = (d->p[0].y > d->p[1].y ? d->p[1].y : d->p[0].y);
ortho = Vector(-1.0, 0);
- angle = PI_OVER_2;
+ angle = QTR_TAU;
}
linePt1.x = linePt2.x = x1;
}
else if (d->subtype == DTLinearHorz)
{
- if ((angle < PI_OVER_2) || (angle > PI3_OVER_2))
+ if ((angle < QTR_TAU) || (angle > THREE_QTR_TAU))
{
x1 = (d->p[0].x > d->p[1].x ? d->p[0].x : d->p[1].x);
y1 = (d->p[0].y > d->p[1].y ? d->p[0].y : d->p[1].y);
x1 = (d->p[0].x > d->p[1].x ? d->p[1].x : d->p[0].x);
y1 = (d->p[0].y > d->p[1].y ? d->p[1].y : d->p[0].y);
ortho = Vector(0, -1.0);
- angle = PI;
+ angle = HALF_TAU;
}
linePt1.y = linePt2.y = y1;
painter->DrawLine(p3, p5);
painter->DrawLine(p4, p6);
- // Calculate whether or not the arrowheads are too crowded to put inside
- // the extension lines. 9.0 is the length of the arrowhead.
+ // Calculate whether or not the arrowheads are too crowded to put
+ // inside the extension lines. 9.0 is the length of the arrowhead.
double t = Geometry::ParameterOfLineAndPoint(linePt1, linePt2, linePt2 - (unit * 9.0 * scaledThickness));
- //printf("Dimension::Draw(): t = %lf\n", t);
- // On the screen, it's acting like this is actually 58%...
- // This is correct, we want it to happen at > 50%
+ // On the screen, it's acting like this is actually 58%...
+ // This is correct, we want it to happen at > 50%
if (t > 0.58)
{
// Draw main dimension line + arrowheads
painter->SetFont(QFont("Arial", 8.0 * Global::zoom * scaledThickness));
Point ctr = p2 + (Vector(p2, p1) / 2.0);
- #if 0
- QString dimText = QString("%1\"").arg(Vector(endpoint - position).Magnitude());
- #else
QString dimText;
if (length < 12.0)
else
dimText = QString("%1' %2\"").arg(feet).arg(inches);
}
- #endif
painter->DrawAngledText(ctr, angle, dimText, scaledThickness);
painter->DrawTextObject(t->p[0], t->s.c_str(), scaledThickness);
break;
}
- default:
+ case OTSpline:
+ {
break;
}
- }
-}
-
-
-void DrawingView::DeleteSelectedItems(void)
-{
- std::vector<void *>::iterator i = document.objects.begin();
-
- while (i != document.objects.end())
- {
- Object * obj = (Object *)(*i);
-
- if (obj->selected)
+ case OTPolygon:
{
- delete obj;
- document.objects.erase(i);
+ break;
}
- else
- i++;
- }
-}
-
+ case OTContainer:
+ {
+ // Containers require recursive rendering...
+ Container * c = (Container *)obj;
+ RenderObjects(painter, (*c).objects, layer);
-void DrawingView::ClearSelection(void)
-{
- std::vector<void *>::iterator i;
+//printf("Container extents: <%lf, %lf>, <%lf, %lf>\nsize: %i\n", r.l, r.t, r.r, r.b, c->objects.size());
+ // Containers also have special indicators showing they are selected
+ if (c->selected || c->hitObject)
+ {
+ Rect r = GetObjectExtents(obj);
+ painter->DrawRectCorners(r);
+ }
- for(i=document.objects.begin(); i!=document.objects.end(); i++)
- ((Object *)(*i))->selected = false;
+ break;
+ }
+ default:
+ break;
+ }
+ }
}
}
-void DrawingView::ToolMouse(int mode, Point p)
+void DrawingView::ToolHandler(int mode, Point p)
{
if (Global::tool == TTLine)
LineHandler(mode, p);
+ else if (Global::tool == TTCircle)
+ CircleHandler(mode, p);
+ else if (Global::tool == TTArc)
+ ArcHandler(mode, p);
else if (Global::tool == TTRotate)
RotateHandler(mode, p);
+ else if (Global::tool == TTMirror)
+ MirrorHandler(mode, p);
}
double absAngle = v.Angle() * RADIANS_TO_DEGREES;
double absLength = v.Magnitude();
QString text = tr("Length: %1 in.\n") + QChar(0x2221) + tr(": %2");
- text = text.arg(absLength).arg(absAngle);
- painter->DrawInformativeText(text);
+ informativeText = text.arg(absLength).arg(absAngle);
+ }
+ }
+ else if (Global::tool == TTCircle)
+ {
+ if (Global::toolState == TSNone)
+ {
+ painter->DrawHandle(toolPoint[0]);
+ }
+ else if ((Global::toolState == TSPoint2) && shiftDown)
+ {
+ painter->DrawHandle(toolPoint[1]);
+ }
+ else
+ {
+ painter->DrawCross(toolPoint[0]);
+ double length = Vector::Magnitude(toolPoint[0], toolPoint[1]);
+ painter->SetBrush(QBrush(Qt::NoBrush));
+ painter->DrawEllipse(toolPoint[0], length, length);
+ QString text = tr("Radius: %1 in.");
+ informativeText = text.arg(length);
+ }
+ }
+ else if (Global::tool == TTArc)
+ {
+ if (Global::toolState == TSNone)
+ {
+ painter->DrawHandle(toolPoint[0]);
+ }
+ else if (Global::toolState == TSPoint2)
+ {
+ double length = Vector::Magnitude(toolPoint[0], toolPoint[1]);
+ painter->SetBrush(QBrush(Qt::NoBrush));
+ painter->DrawEllipse(toolPoint[0], length, length);
+ painter->DrawLine(toolPoint[0], toolPoint[1]);
+ painter->DrawHandle(toolPoint[1]);
+ QString text = tr("Radius: %1 in.");
+ informativeText = text.arg(length);
+ }
+ else if (Global::toolState == TSPoint3)
+ {
+ double angle = Vector::Angle(toolPoint[0], toolPoint[2]);
+ painter->DrawLine(toolPoint[0], toolPoint[2]);
+ painter->SetBrush(QBrush(Qt::NoBrush));
+ painter->DrawEllipse(toolPoint[0], toolPoint[1].x, toolPoint[1].x);
+ painter->DrawHandle(toolPoint[0] + (Vector(cos(angle), sin(angle)) * toolPoint[1].x));
+ QString text = tr("Angle start: %1") + QChar(0x00B0);
+ informativeText = text.arg(RADIANS_TO_DEGREES * angle);
+ }
+ else
+ {
+ double angle = Vector::Angle(toolPoint[0], toolPoint[3]);
+ double span = angle - toolPoint[2].x;
+
+ if (span < 0)
+ span += TAU;
+
+ painter->DrawLine(toolPoint[0], toolPoint[3]);
+ painter->SetBrush(QBrush(Qt::NoBrush));
+ painter->DrawEllipse(toolPoint[0], toolPoint[1].x, toolPoint[1].x);
+ painter->SetPen(0xFF00FF, 2.0, LSSolid);
+ painter->DrawArc(toolPoint[0], toolPoint[1].x, toolPoint[2].x, span);
+ painter->DrawHandle(toolPoint[0] + (Vector(cos(angle), sin(angle)) * toolPoint[1].x));
+ QString text = tr("Arc span: %1") + QChar(0x00B0);
+ informativeText = text.arg(RADIANS_TO_DEGREES * span);
}
}
else if (Global::tool == TTRotate)
{
if (toolPoint[0] == toolPoint[1])
return;
-
+
painter->DrawLine(toolPoint[0], toolPoint[1]);
- // Likely we need a tool container for this... (now we do!)
-#if 0
- if (ctrlDown)
- {
- painter->SetPen(0x00FF00, 2.0, LSSolid);
- overrideColor = true;
- }
- RenderObjects(painter, toolObjects);
- overrideColor = false;
-#endif
+ double absAngle = (Vector(toolPoint[1] - toolPoint[0]).Angle()) * RADIANS_TO_DEGREES;
+ QString text = QChar(0x2221) + QObject::tr(": %1");
+ informativeText = text.arg(absAngle);
+
+ if (ctrlDown)
+ informativeText += " (Copy)";
+ }
+ }
+ else if (Global::tool == TTMirror)
+ {
+ if ((Global::toolState == TSNone) || (Global::toolState == TSPoint1))
+ painter->DrawHandle(toolPoint[0]);
+ else if ((Global::toolState == TSPoint2) && shiftDown)
+ painter->DrawHandle(toolPoint[1]);
+ else
+ {
+ if (toolPoint[0] == toolPoint[1])
+ return;
+
+ Point mirrorPoint = toolPoint[0] + Vector(toolPoint[1], toolPoint[0]);
+ painter->DrawLine(mirrorPoint, toolPoint[1]);
double absAngle = (Vector(toolPoint[1] - toolPoint[0]).Angle()) * RADIANS_TO_DEGREES;
+ if (absAngle > 180.0)
+ absAngle -= 180.0;
+
QString text = QChar(0x2221) + QObject::tr(": %1");
- text = text.arg(absAngle);
+ informativeText = text.arg(absAngle);
if (ctrlDown)
- text += " (Copy)";
-
- painter->DrawInformativeText(text);
+ informativeText += " (Copy)";
}
}
}
else
{
Line * l = new Line(toolPoint[0], toolPoint[1]);
+ l->layer = Global::activeLayer;
document.objects.push_back(l);
toolPoint[0] = toolPoint[1];
}
}
-void DrawingView::RotateHandler(int mode, Point p)
+void DrawingView::CircleHandler(int mode, Point p)
{
switch (mode)
{
case ToolMouseDown:
if (Global::toolState == TSNone)
- {
- toolPoint[0] = p;
- toolObjects.clear();
- CopyObjects(select, toolObjects);
-// ClearSelected(toolObjects);
- Global::toolState = TSPoint1;
- }
- else if (Global::toolState == TSPoint1)
toolPoint[0] = p;
else
toolPoint[1] = p;
break;
case ToolMouseMove:
-/*
-There's two approaches to this that we can do:
-
- -- Keep a copy of selected objects & rotate those (drawing rotated + selected)
- -- Rotate the selected (drawing selected only)
-
-Either way, we need to have a copy of the points before we change them; we also need
-to know whether or not to discard any changes made--maybe with a ToolCleanup()
-function.
-*/
- if ((Global::toolState == TSPoint1) || (Global::toolState == TSNone))
+ if (Global::toolState == TSNone)
toolPoint[0] = p;
- else if (Global::toolState == TSPoint2)
- {
-// need to reset the selected points to their non-rotated state in this case...
- if (shiftDown)
- return;
-
+ else
toolPoint[1] = p;
- double angle = Vector(toolPoint[1], toolPoint[0]).Angle();
- std::vector<void *>::iterator j = select.begin();
- std::vector<void *>::iterator i = toolObjects.begin();
-
-// for(; i!=select.end(); i++, j++)
- for(; i!=toolObjects.end(); i++, j++)
- {
- Object * obj = (Object *)(*i);
- Point p1 = Geometry::RotatePointAroundPoint(obj->p[0], toolPoint[0], angle);
- Point p2 = Geometry::RotatePointAroundPoint(obj->p[1], toolPoint[0], angle);
- Object * obj2 = (Object *)(*j);
- obj2->p[0] = p1;
- obj2->p[1] = p2;
- }
- }
-
break;
case ToolMouseUp:
- if (Global::toolState == TSPoint1)
+ if (Global::toolState == TSNone)
{
Global::toolState = TSPoint2;
// Prevent spurious line from drawing...
}
else
{
-#if 0
- Line * l = new Line(toolPoint[0], toolPoint[1]);
- document.objects.push_back(l);
+ double length = Vector::Magnitude(toolPoint[0], toolPoint[1]);
+ Circle * c = new Circle(toolPoint[0], length);
+ c->layer = Global::activeLayer;
+ document.objects.push_back(c);
toolPoint[0] = toolPoint[1];
-#endif
+ Global::toolState = TSNone;
}
}
}
-void DrawingView::mousePressEvent(QMouseEvent * event)
+void DrawingView::ArcHandler(int mode, Point p)
{
- if (event->button() == Qt::LeftButton)
+ switch (mode)
{
- Vector point = Painter::QtToCartesianCoords(Vector(event->x(), event->y()));
+ case ToolMouseDown:
+ if (Global::toolState == TSNone)
+ toolPoint[0] = p;
+ else if (Global::toolState == TSPoint2)
+ toolPoint[1] = p;
+ else if (Global::toolState == TSPoint3)
+ toolPoint[2] = p;
+ else
+ toolPoint[3] = p;
- // Handle tool processing, if any
- if (Global::tool)
- {
- if (Global::snapToGrid)
- point = SnapPointToGrid(point);
+ break;
+ case ToolMouseMove:
+ if (Global::toolState == TSNone)
+ toolPoint[0] = p;
+ else if (Global::toolState == TSPoint2)
+ toolPoint[1] = p;
+ else if (Global::toolState == TSPoint3)
+ toolPoint[2] = p;
+ else
+ toolPoint[3] = p;
- //Also, may want to figure out if hovering over a snap point on an object,
- //snap to grid if not.
- // Snap to object point if valid...
-// if (Global::snapPointIsValid)
-// point = Global::snapPoint;
-
- ToolMouse(ToolMouseDown, point);
- return;
+ break;
+ case ToolMouseUp:
+ if (Global::toolState == TSNone)
+ {
+ // Prevent spurious line from drawing...
+ toolPoint[1] = toolPoint[0];
+ Global::toolState = TSPoint2;
}
+ else if (Global::toolState == TSPoint2)
+ {
+ if (shiftDown)
+ {
+ // Key override is telling us to start circle at new center, not
+ // continue the current one.
+ toolPoint[0] = toolPoint[1];
+ return;
+ }
- // Clear the selection only if CTRL isn't being held on click
- if (!ctrlDown)
- ClearSelection();
-
- // If any objects are being hovered on click, add them to the selection
- // & return
- if (numHovered > 0)
+ // Set the radius in toolPoint[1].x
+ toolPoint[1].x = Vector::Magnitude(toolPoint[0], toolPoint[1]);
+ Global::toolState = TSPoint3;
+ }
+ else if (Global::toolState == TSPoint3)
{
- AddHoveredToSelection();
- update(); // needed??
- GetHovered(hover); // prolly needed
+ // Set the angle in toolPoint[2].x
+ toolPoint[2].x = Vector::Angle(toolPoint[0], toolPoint[2]);
+ Global::toolState = TSPoint4;
+ }
+ else
+ {
+ double endAngle = Vector::Angle(toolPoint[0], toolPoint[3]);
+ double span = endAngle - toolPoint[2].x;
- // Needed for grab & moving objects
- if (Global::snapToGrid)
- oldPoint = SnapPointToGrid(point);
+ if (span < 0)
+ span += TAU;
- return;
+ Arc * arc = new Arc(toolPoint[0], toolPoint[1].x, toolPoint[2].x, span);
+ arc->layer = Global::activeLayer;
+ document.objects.push_back(arc);
+ Global::toolState = TSNone;
}
-
- // Didn't hit any object and not using a tool, so do a selection rectangle
- Global::selectionInProgress = true;
- Global::selection.setTopLeft(QPointF(point.x, point.y));
- Global::selection.setBottomRight(QPointF(point.x, point.y));
- }
- else if (event->button() == Qt::MiddleButton)
- {
- scrollDrag = true;
- oldPoint = Vector(event->x(), event->y());
- // Should also change the mouse pointer as well...
- setCursor(Qt::SizeAllCursor);
}
}
-void DrawingView::mouseMoveEvent(QMouseEvent * event)
+void DrawingView::RotateHandler(int mode, Point p)
+{
+ switch (mode)
+ {
+ case ToolMouseDown:
+ if (Global::toolState == TSNone)
+ {
+ toolPoint[0] = p;
+ SavePointsFrom(select, toolScratch);
+ Global::toolState = TSPoint1;
+ }
+ else if (Global::toolState == TSPoint1)
+ toolPoint[0] = p;
+ else
+ toolPoint[1] = p;
+
+ break;
+ case ToolMouseMove:
+ if ((Global::toolState == TSPoint1) || (Global::toolState == TSNone))
+ toolPoint[0] = p;
+ else if (Global::toolState == TSPoint2)
+ {
+ toolPoint[1] = p;
+
+ if (shiftDown)
+ return;
+
+ double angle = Vector(toolPoint[0], toolPoint[1]).Angle();
+ std::vector<void *>::iterator j = select.begin();
+ std::vector<Object>::iterator i = toolScratch.begin();
+
+ for(; i!=toolScratch.end(); i++, j++)
+ {
+ Object obj = *i;
+ Point p1 = Geometry::RotatePointAroundPoint(obj.p[0], toolPoint[0], angle);
+ Point p2 = Geometry::RotatePointAroundPoint(obj.p[1], toolPoint[0], angle);
+ Object * obj2 = (Object *)(*j);
+ obj2->p[0] = p1;
+ obj2->p[1] = p2;
+
+ if (obj.type == OTArc)
+ {
+ obj2->angle[0] = obj.angle[0] + angle;
+
+ if (obj2->angle[0] > TAU)
+ obj2->angle[0] -= TAU;
+ }
+ }
+ }
+
+ break;
+ case ToolMouseUp:
+ if (Global::toolState == TSPoint1)
+ {
+ Global::toolState = TSPoint2;
+ // Prevent spurious line from drawing...
+ toolPoint[1] = toolPoint[0];
+ }
+ else if ((Global::toolState == TSPoint2) && shiftDown)
+ {
+ // Key override is telling us to make a new line, not continue the
+ // previous one.
+ toolPoint[0] = toolPoint[1];
+ }
+ else
+ {
+ // Either we're finished with our rotate, or we're stamping a copy.
+ if (ctrlDown)
+ {
+ // Stamp a copy of the selection at the current rotation & bail
+ std::vector<void *> temp;
+ CopyObjects(select, temp);
+ ClearSelected(temp);
+ AddObjectsTo(document.objects, temp);
+ RestorePointsTo(select, toolScratch);
+ return;
+ }
+
+ toolPoint[0] = p;
+ Global::toolState = TSPoint1;
+ SavePointsFrom(select, toolScratch);
+ }
+
+ break;
+ case ToolKeyDown:
+ // Reset the selection if shift held down...
+ if (shiftDown)
+ RestorePointsTo(select, toolScratch);
+
+ break;
+ case ToolKeyUp:
+ // Reset selection when key is let up
+ if (!shiftDown)
+ RotateHandler(ToolMouseMove, toolPoint[1]);
+
+ break;
+ case ToolCleanup:
+ RestorePointsTo(select, toolScratch);
+ }
+}
+
+
+void DrawingView::MirrorHandler(int mode, Point p)
+{
+ switch (mode)
+ {
+ case ToolMouseDown:
+ if (Global::toolState == TSNone)
+ {
+ toolPoint[0] = p;
+ SavePointsFrom(select, toolScratch);
+ Global::toolState = TSPoint1;
+ }
+ else if (Global::toolState == TSPoint1)
+ toolPoint[0] = p;
+ else
+ toolPoint[1] = p;
+
+ break;
+ case ToolMouseMove:
+ if ((Global::toolState == TSPoint1) || (Global::toolState == TSNone))
+ toolPoint[0] = p;
+ else if (Global::toolState == TSPoint2)
+ {
+ toolPoint[1] = p;
+
+ if (shiftDown)
+ return;
+
+ double angle = Vector(toolPoint[0], toolPoint[1]).Angle();
+ std::vector<void *>::iterator j = select.begin();
+ std::vector<Object>::iterator i = toolScratch.begin();
+
+ for(; i!=toolScratch.end(); i++, j++)
+ {
+ Object obj = *i;
+ Point p1 = Geometry::MirrorPointAroundLine(obj.p[0], toolPoint[0], toolPoint[1]);
+ Point p2 = Geometry::MirrorPointAroundLine(obj.p[1], toolPoint[0], toolPoint[1]);
+ Object * obj2 = (Object *)(*j);
+ obj2->p[0] = p1;
+ obj2->p[1] = p2;
+
+ if (obj.type == OTArc)
+ {
+ // This is 2*mirror angle - obj angle - obj span
+ obj2->angle[0] = (2.0 * angle) - obj.angle[0] - obj.angle[1];
+
+ if (obj2->angle[0] > TAU)
+ obj2->angle[0] -= TAU;
+ }
+ }
+ }
+
+ break;
+ case ToolMouseUp:
+ if (Global::toolState == TSPoint1)
+ {
+ Global::toolState = TSPoint2;
+ // Prevent spurious line from drawing...
+ toolPoint[1] = toolPoint[0];
+ }
+ else if ((Global::toolState == TSPoint2) && shiftDown)
+ {
+ // Key override is telling us to make a new line, not continue the
+ // previous one.
+ toolPoint[0] = toolPoint[1];
+ }
+ else
+ {
+ // Either we're finished with our rotate, or we're stamping a copy.
+ if (ctrlDown)
+ {
+ // Stamp a copy of the selection at the current rotation & bail
+ std::vector<void *> temp;
+ CopyObjects(select, temp);
+ ClearSelected(temp);
+ AddObjectsTo(document.objects, temp);
+ RestorePointsTo(select, toolScratch);
+ return;
+ }
+
+ toolPoint[0] = p;
+ Global::toolState = TSPoint1;
+ SavePointsFrom(select, toolScratch);
+ }
+
+ break;
+ case ToolKeyDown:
+ // Reset the selection if shift held down...
+ if (shiftDown)
+ RestorePointsTo(select, toolScratch);
+
+ break;
+ case ToolKeyUp:
+ // Reset selection when key is let up
+ if (!shiftDown)
+ MirrorHandler(ToolMouseMove, toolPoint[1]);
+
+ break;
+ case ToolCleanup:
+ RestorePointsTo(select, toolScratch);
+ }
+}
+
+
+void DrawingView::mousePressEvent(QMouseEvent * event)
+{
+ if (event->button() == Qt::LeftButton)
+ {
+ Vector point = Painter::QtToCartesianCoords(Vector(event->x(), event->y()));
+
+ // Handle tool processing, if any
+ if (Global::tool)
+ {
+ if (hoveringIntersection)
+ point = intersectionPoint;
+ else if (Global::snapToGrid)
+ point = SnapPointToGrid(point);
+
+ //Also, may want to figure out if hovering over a snap point on an object,
+ //snap to grid if not.
+ // Snap to object point if valid...
+// if (Global::snapPointIsValid)
+// point = Global::snapPoint;
+
+ ToolHandler(ToolMouseDown, point);
+ return;
+ }
+
+ // Clear the selection only if CTRL isn't being held on click
+ if (!ctrlDown)
+ ClearSelected(document.objects);
+// ClearSelection();
+
+ // If any objects are being hovered on click, add them to the selection
+ // & return
+ if (numHovered > 0)
+ {
+ AddHoveredToSelection();
+ update(); // needed??
+ GetHovered(hover); // prolly needed
+
+ // Needed for grab & moving objects
+ // We do it *after*... why? (doesn't seem to confer any advantage...)
+ if (hoveringIntersection)
+ oldPoint = intersectionPoint;
+ else if (Global::snapToGrid)
+ oldPoint = SnapPointToGrid(point);
+
+ return;
+ }
+
+ // Didn't hit any object and not using a tool, so do a selection rectangle
+ Global::selectionInProgress = true;
+ Global::selection.setTopLeft(QPointF(point.x, point.y));
+ Global::selection.setBottomRight(QPointF(point.x, point.y));
+ }
+ else if (event->button() == Qt::MiddleButton)
+ {
+ scrollDrag = true;
+ oldPoint = Vector(event->x(), event->y());
+ // Should also change the mouse pointer as well...
+ setCursor(Qt::SizeAllCursor);
+ }
+}
+
+
+void DrawingView::mouseMoveEvent(QMouseEvent * event)
{
Vector point = Painter::QtToCartesianCoords(Vector(event->x(), event->y()));
Global::selection.setBottomRight(QPointF(point.x, point.y));
// Only needs to be done here, as mouse down is always preceded by movement
Global::snapPointIsValid = false;
+ hoveringIntersection = false;
// Scrolling...
if (event->buttons() & Qt::MiddleButton)
{
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. :-)
+ // 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(oldPoint, point);
delta /= Global::zoom;
delta.y = -delta.y;
// Handle object movement (left button down & over an object)
if ((event->buttons() & Qt::LeftButton) && numHovered && !Global::tool)
{
+ if (hoveringIntersection)
+ point = intersectionPoint;
+ else if (Global::snapToGrid)
+ point = SnapPointToGrid(point);
+
HandleObjectMovement(point);
update();
oldPoint = point;
// Do object hit testing...
bool needUpdate = HitTestObjects(point);
+ // Check for multi-hover...
+ if (numHovered > 1)
+ {
+ GetHovered(hover);
+ Geometry::Intersects((Object *)hover[0], (Object *)hover[1]);
+ int numIntersecting = Global::numIntersectParams;
+ double t = Global::intersectParam[0];
+ double u = Global::intersectParam[1];
+
+ if (numIntersecting > 0)
+ {
+ Vector v1 = Geometry::GetPointForParameter((Object *)hover[0], t);
+ Vector v2 = Geometry::GetPointForParameter((Object *)hover[1], u);
+ QString text = tr("Intersection t=%1 (%3, %4), u=%2 (%5, %6)");
+ informativeText = text.arg(t).arg(u).arg(v1.x).arg(v1.y).arg(v2.x).arg(v2.y);
+
+ hoveringIntersection = true;
+ intersectionPoint = v1;
+ }
+
+ numIntersecting = Global::numIntersectPoints;
+
+ if (numIntersecting > 0)
+ {
+ Vector v1 = Global::intersectPoint[0];
+
+ if (numIntersecting == 2)
+ {
+ Vector v2 = Global::intersectPoint[1];
+
+ if (Vector::Magnitude(v2, point) < Vector::Magnitude(v1, point))
+ v1 = v2;
+ }
+
+ QString text = tr("Intersection <%1, %2>");
+ informativeText = text.arg(v1.x).arg(v1.y);
+ hoveringIntersection = true;
+ intersectionPoint = v1;
+ }
+ }
+
+//this doesn't work down here for some reason... :-P
+//could be because the object being moved is part of the intersection, and this is screwing things up. In which case, we need to exclude the moving object somehow from the hit test function...
+#if 0
+ // Handle object movement (left button down & over an object)
+ if ((event->buttons() & Qt::LeftButton) && numHovered && !Global::tool)
+ {
+ if (hoveringIntersection)
+ point = intersectionPoint;
+ else if (Global::snapToGrid)
+ point = SnapPointToGrid(point);
+
+ HandleObjectMovement(point);
+ update();
+ oldPoint = point;
+ return;
+ }
+#endif
+
// Do tool handling, if any are active...
if (Global::tool)
{
- if (Global::snapToGrid)
+ if (hoveringIntersection)
+ point = intersectionPoint;
+ else if (Global::snapToGrid)
point = SnapPointToGrid(point);
- ToolMouse(ToolMouseMove, point);
+ ToolHandler(ToolMouseMove, point);
}
// This is used to draw the tool crosshair...
if (event->button() == Qt::LeftButton)
{
//We need to update especially if nothing collided and the state needs to change. !!! FIX !!!
-//could set it up to use the document's update function (assumes that all object updates
-//are being reported correctly:
+//could set it up to use the document's update function (assumes that all object
+//updates are being reported correctly:
// if (document.NeedsUpdate())
// Do an update if collided with at least *one* object in the document
// if (collided)
if (Global::tool)
{
Vector point = Painter::QtToCartesianCoords(Vector(event->x(), event->y()));
- ToolMouse(ToolMouseUp, point);
+ ToolHandler(ToolMouseUp, point);
return;
}
if (Global::selectionInProgress)
- {
- // Select all the stuff inside of selection
Global::selectionInProgress = false;
- // Clear our vectors
- select.clear();
- hover.clear();
+ informativeText.clear();
+// Should we be doing this automagically? Hmm...
+ // Clear our vectors
+ select.clear();
+ hover.clear();
- // Scoop 'em up
- std::vector<void *>::iterator i;
+ // Scoop 'em up
+ std::vector<void *>::iterator i;
- for(i=document.objects.begin(); i!=document.objects.end(); i++)
- {
- if (((Object *)(*i))->selected)
- select.push_back(*i);
+ for(i=document.objects.begin(); i!=document.objects.end(); i++)
+ {
+ if (((Object *)(*i))->selected)
+ select.push_back(*i);
//hmm, this is no good, too late to do any good :-P
-// if ((*i)->hovered)
-// hover.push_back(*i);
- }
+// if ((*i)->hovered)
+// hover.push_back(*i);
}
}
else if (event->button() == Qt::MiddleButton)
Global::zoom /= zoomFactor;
}
-#if 1
// Global::gridSpacing = gridPixels / Painter::zoom;
// UpdateGridBackground();
SetGridSize(Global::gridSpacing * Global::zoom);
update();
// zoomIndicator->setText(QString("Grid: %1\", BU: Inch").arg(Global::gridSpacing));
-#endif
}
void DrawingView::keyPressEvent(QKeyEvent * event)
{
-#if 0
- if (toolAction)
- toolAction->KeyDown(event->key());
-#endif
bool oldShift = shiftDown;
bool oldCtrl = ctrlDown;
ctrlDown = true;
if ((oldShift != shiftDown) || (oldCtrl != ctrlDown))
+ {
+ if (Global::tool)
+ ToolHandler(ToolKeyDown, Point(0, 0));
+
update();
+ }
}
void DrawingView::keyReleaseEvent(QKeyEvent * event)
{
-#if 0
- if (toolAction)
- toolAction->KeyReleased(event->key());
-#endif
bool oldShift = shiftDown;
bool oldCtrl = ctrlDown;
ctrlDown = false;
if ((oldShift != shiftDown) || (oldCtrl != ctrlDown))
+ {
+ if (Global::tool)
+ ToolHandler(ToolKeyUp, Point(0, 0));
+
update();
+ }
}
+
//
// 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
}
+Rect DrawingView::GetObjectExtents(Object * obj)
+{
+ // Default to empty rect, if object checks below fail for some reason
+ Rect rect;
+
+ switch (obj->type)
+ {
+ case OTLine:
+ {
+ rect = Rect(obj->p[0], obj->p[1]);
+ break;
+ }
+ case OTCircle:
+ {
+ rect = Rect(obj->p[0], obj->p[0]);
+ rect.Expand(obj->radius[0]);
+ break;
+ }
+ case OTArc:
+ {
+ Arc * a = (Arc *)obj;
+
+ double start = a->angle[0];
+ double end = start + a->angle[1];
+ rect = Rect(Point(cos(start), sin(start)), Point(cos(end), sin(end)));
+
+ // If the end of the arc is before the beginning, add 360 degrees to it
+ if (end < start)
+ end += TAU;
+
+ // Adjust the bounds depending on which axes are crossed
+ if ((start < QTR_TAU) && (end > QTR_TAU))
+ rect.t = 1.0;
+
+ if ((start < HALF_TAU) && (end > HALF_TAU))
+ rect.l = -1.0;
+
+ if ((start < THREE_QTR_TAU) && (end > THREE_QTR_TAU))
+ rect.b = -1.0;
+
+ if ((start < TAU) && (end > TAU))
+ rect.r = 1.0;
+
+ if ((start < (TAU + QTR_TAU)) && (end > (TAU + QTR_TAU)))
+ rect.t = 1.0;
+
+ if ((start < (TAU + HALF_TAU)) && (end > (TAU + HALF_TAU)))
+ rect.l = -1.0;
+
+ if ((start < (TAU + THREE_QTR_TAU)) && (end > (TAU + THREE_QTR_TAU)))
+ rect.b = -1.0;
+
+ rect *= a->radius[0];
+ rect.Translate(a->p[0]);
+
+ break;
+ }
+ case OTContainer:
+ {
+ Container * c = (Container *)obj;
+ std::vector<void *>::iterator i = c->objects.begin();
+ rect = GetObjectExtents((Object *)*i);
+ i++;
+
+ for(; i!=c->objects.end(); i++)
+ rect |= GetObjectExtents((Object *)*i);
+ }
+ default:
+ break;
+ }
+
+ return rect;
+}
+
+
void DrawingView::CheckObjectBounds(void)
{
std::vector<void *>::iterator i;
- numSelected = 0;
for(i=document.objects.begin(); i!=document.objects.end(); i++)
{
{
Circle * c = (Circle *)obj;
- if (Global::selection.contains(c->p[0].x - c->radius, c->p[0].y - c->radius) && Global::selection.contains(c->p[0].x + c->radius, c->p[0].y + c->radius))
+ if (Global::selection.contains(c->p[0].x - c->radius[0], c->p[0].y - c->radius[0]) && Global::selection.contains(c->p[0].x + c->radius[0], c->p[0].y + c->radius[0]))
c->selected = true;
break;
{
Arc * a = (Arc *)obj;
- double start = a->angle1;
- double end = start + a->angle2;
+ double start = a->angle[0];
+ double end = start + a->angle[1];
QPointF p1(cos(start), sin(start));
QPointF p2(cos(end), sin(end));
QRectF bounds(p1, p2);
// If the end of the arc is before the beginning, add 360 degrees to it
if (end < start)
- end += 2.0 * PI;
+ end += TAU;
// Adjust the bounds depending on which axes are crossed
- if ((start < PI_OVER_2) && (end > PI_OVER_2))
+ if ((start < QTR_TAU) && (end > QTR_TAU))
bounds.setTop(1.0);
- if ((start < PI) && (end > PI))
+ if ((start < HALF_TAU) && (end > HALF_TAU))
bounds.setLeft(-1.0);
- if ((start < (PI + PI_OVER_2)) && (end > (PI + PI_OVER_2)))
+ if ((start < THREE_QTR_TAU) && (end > THREE_QTR_TAU))
bounds.setBottom(-1.0);
- if ((start < (2.0 * PI)) && (end > (2.0 * PI)))
+ if ((start < TAU) && (end > TAU))
bounds.setRight(1.0);
- if ((start < ((2.0 * PI) + PI_OVER_2)) && (end > ((2.0 * PI) + PI_OVER_2)))
+ if ((start < (TAU + QTR_TAU)) && (end > (TAU + QTR_TAU)))
bounds.setTop(1.0);
- if ((start < (3.0 * PI)) && (end > (3.0 * PI)))
+ if ((start < (TAU + HALF_TAU)) && (end > (TAU + HALF_TAU)))
bounds.setLeft(-1.0);
- if ((start < ((3.0 * PI) + PI_OVER_2)) && (end > ((3.0 * PI) + PI_OVER_2)))
+ if ((start < (TAU + THREE_QTR_TAU)) && (end > (TAU + THREE_QTR_TAU)))
bounds.setBottom(-1.0);
- bounds.setTopLeft(QPointF(bounds.left() * a->radius, bounds.top() * a->radius));
- bounds.setBottomRight(QPointF(bounds.right() * a->radius, bounds.bottom() * a->radius));
+ bounds.setTopLeft(QPointF(bounds.left() * a->radius[0], bounds.top() * a->radius[0]));
+ bounds.setBottomRight(QPointF(bounds.right() * a->radius[0], bounds.bottom() * a->radius[0]));
bounds.translate(a->p[0].x, a->p[0].y);
if (Global::selection.contains(bounds))
default:
break;
}
-
- if (obj->selected)
- numSelected++;
}
}
{
Object * obj = (Object *)(*i);
+ if (HitTest(obj, point))
+ needUpdate = true;
+#if 0
switch (obj->type)
{
case OTLine:
{
- Line * l = (Line *)obj;
- bool oldHP0 = l->hitPoint[0], oldHP1 = l->hitPoint[1], oldHO = l->hitObject;
- l->hitPoint[0] = l->hitPoint[1] = l->hitObject = false;
- Vector lineSegment = l->p[1] - l->p[0];
- Vector v1 = point - l->p[0];
- Vector v2 = point - l->p[1];
- double t = Geometry::ParameterOfLineAndPoint(l->p[0], l->p[1], point);
+ bool oldHP0 = obj->hitPoint[0], oldHP1 = obj->hitPoint[1], oldHO = obj->hitObject;
+ obj->hitPoint[0] = obj->hitPoint[1] = obj->hitObject = false;
+ Vector lineSegment = obj->p[1] - obj->p[0];
+ Vector v1 = point - obj->p[0];
+ Vector v2 = point - obj->p[1];
+ double t = Geometry::ParameterOfLineAndPoint(obj->p[0], obj->p[1], point);
double distance;
if (t < 0.0)
/ lineSegment.Magnitude());
if ((v1.Magnitude() * Global::zoom) < 8.0)
- {
- l->hitPoint[0] = true;
-// snapPoint = l->p1;
-// snapPointIsValid = true;
- }
+ obj->hitPoint[0] = true;
else if ((v2.Magnitude() * Global::zoom) < 8.0)
- {
- l->hitPoint[1] = true;
-// snapPoint = l->p2;
-// snapPointIsValid = true;
- }
+ obj->hitPoint[1] = true;
else if ((distance * Global::zoom) < 5.0)
- l->hitObject = true;
+ obj->hitObject = true;
-// bool oldHovered = l->hovered;
- l->hovered = (l->hitPoint[0] || l->hitPoint[1] || l->hitObject ? true : false);
-// l->hovered = l->hitObject;
+ obj->hovered = (obj->hitPoint[0] || obj->hitPoint[1] || obj->hitObject ? true : false);
-// if (oldHovered != l->hovered)
- if ((oldHP0 != l->hitPoint[0]) || (oldHP1 != l->hitPoint[1]) || (oldHO != l->hitObject))
+ if ((oldHP0 != obj->hitPoint[0]) || (oldHP1 != obj->hitPoint[1]) || (oldHO != obj->hitObject))
needUpdate = true;
break;
}
case OTCircle:
{
- Circle * c = (Circle *)obj;
+ bool oldHP = obj->hitPoint[0], oldHO = obj->hitObject;
+ obj->hitPoint[0] = obj->hitObject = false;
+ double length = Vector::Magnitude(obj->p[0], point);
+
+ if ((length * Global::zoom) < 8.0)
+ obj->hitPoint[0] = true;
+ else if ((fabs(length - obj->radius[0]) * Global::zoom) < 2.0)
+ obj->hitObject = true;
+
+ obj->hovered = (obj->hitPoint[0] || obj->hitObject ? true : false);
+ if ((oldHP != obj->hitPoint[0]) || (oldHO != obj->hitObject))
+ needUpdate = true;
break;
}
+ case OTArc:
+ {
+ bool oldHP0 = obj->hitPoint[0], oldHP1 = obj->hitPoint[1], oldHP2 = obj->hitPoint[2], oldHO = obj->hitObject;
+ obj->hitPoint[0] = obj->hitPoint[1] = obj->hitPoint[2] = obj->hitObject = false;
+ double length = Vector::Magnitude(obj->p[0], point);
+ double angle = Vector::Angle(obj->p[0], point);
+
+ // Make sure we get the angle in the correct spot
+ if (angle < obj->angle[0])
+ angle += TAU;
+
+ // Get the span that we're pointing at...
+ double span = angle - obj->angle[0];
+
+ // N.B.: Still need to hit test the arc start & arc span handles...
+ double spanAngle = obj->angle[0] + obj->angle[1];
+ Point handle1 = obj->p[0] + (Vector(cos(obj->angle[0]), sin(obj->angle[0])) * obj->radius[0]);
+ Point handle2 = obj->p[0] + (Vector(cos(spanAngle), sin(spanAngle)) * obj->radius[0]);
+ double length2 = Vector::Magnitude(point, handle1);
+ double length3 = Vector::Magnitude(point, handle2);
+
+ if ((length * Global::zoom) < 8.0)
+ obj->hitPoint[0] = true;
+ else if ((length2 * Global::zoom) < 8.0)
+ obj->hitPoint[1] = true;
+ else if ((length3 * Global::zoom) < 8.0)
+ obj->hitPoint[2] = true;
+ else if (((fabs(length - obj->radius[0]) * Global::zoom) < 2.0) && (span < obj->angle[1]))
+ obj->hitObject = true;
+
+ obj->hovered = (obj->hitPoint[0] || obj->hitPoint[1] || obj->hitPoint[2] || obj->hitObject ? true : false);
+
+ if ((oldHP0 != obj->hitPoint[0]) || (oldHP1 != obj->hitPoint[1]) || (oldHP2 != obj->hitPoint[2]) || (oldHO != obj->hitObject))
+ needUpdate = true;
+
+ break;
+ }
+ case OTContainer:
+ {
+ // Containers must be recursively tested...
+ Container * c = (Container *)obj;
+ std::vector<void *>::iterator i;
+
+ for(i=c->objects.begin(); i!=c->objects.end(); i++)
+ {
+
+ }
+ }
default:
break;
}
+#endif
if (obj->hovered)
-// {
+ {
numHovered++;
//printf("MouseMove: OBJECT HOVERED (numHovered = %i)\n", numHovered);
-// }
+ emit(ObjectHovered(obj));
+ }
}
return needUpdate;
}
-void DrawingView::HandleObjectMovement(Point point)
+bool DrawingView::HitTest(Object * obj, Point point)
{
- if (Global::snapToGrid)
- point = SnapPointToGrid(point);
-
- Point delta = point - oldPoint;
- Object * obj = (Object *)hover[0];
-//printf("Object type = %i (size=%i), ", obj->type, hover.size());
-//printf("Object (%X) move: hp1=%s, hp2=%s, hl=%s\n", obj, (obj->hitPoint[0] ? "true" : "false"), (obj->hitPoint[1] ? "true" : "false"), (obj->hitObject ? "true" : "false"));
+ bool needUpdate = false;
switch (obj->type)
{
case OTLine:
{
- Line * l = (Line *)obj;
+ bool oldHP0 = obj->hitPoint[0], oldHP1 = obj->hitPoint[1], oldHO = obj->hitObject;
+ obj->hitPoint[0] = obj->hitPoint[1] = obj->hitObject = false;
+ Vector lineSegment = obj->p[1] - obj->p[0];
+ Vector v1 = point - obj->p[0];
+ Vector v2 = point - obj->p[1];
+ double t = Geometry::ParameterOfLineAndPoint(obj->p[0], obj->p[1], point);
+ double distance;
+
+ if (t < 0.0)
+ distance = v1.Magnitude();
+ else if (t > 1.0)
+ distance = v2.Magnitude();
+ else
+ // distance = ?Det?(ls, v1) / |ls|
+ distance = fabs((lineSegment.x * v1.y - v1.x * lineSegment.y)
+ / lineSegment.Magnitude());
+
+ if ((v1.Magnitude() * Global::zoom) < 8.0)
+ obj->hitPoint[0] = true;
+ else if ((v2.Magnitude() * Global::zoom) < 8.0)
+ obj->hitPoint[1] = true;
+ else if ((distance * Global::zoom) < 5.0)
+ obj->hitObject = true;
+
+ obj->hovered = (obj->hitPoint[0] || obj->hitPoint[1] || obj->hitObject ? true : false);
+
+ if ((oldHP0 != obj->hitPoint[0]) || (oldHP1 != obj->hitPoint[1]) || (oldHO != obj->hitObject))
+ needUpdate = true;
+
+ break;
+ }
+ case OTCircle:
+ {
+ bool oldHP = obj->hitPoint[0], oldHO = obj->hitObject;
+ obj->hitPoint[0] = obj->hitObject = false;
+ double length = Vector::Magnitude(obj->p[0], point);
+
+ if ((length * Global::zoom) < 8.0)
+ obj->hitPoint[0] = true;
+ else if ((fabs(length - obj->radius[0]) * Global::zoom) < 2.0)
+ obj->hitObject = true;
+
+ obj->hovered = (obj->hitPoint[0] || obj->hitObject ? true : false);
+
+ if ((oldHP != obj->hitPoint[0]) || (oldHO != obj->hitObject))
+ needUpdate = true;
+
+ break;
+ }
+ case OTArc:
+ {
+ bool oldHP0 = obj->hitPoint[0], oldHP1 = obj->hitPoint[1], oldHP2 = obj->hitPoint[2], oldHO = obj->hitObject;
+ obj->hitPoint[0] = obj->hitPoint[1] = obj->hitPoint[2] = obj->hitObject = false;
+ double length = Vector::Magnitude(obj->p[0], point);
+ double angle = Vector::Angle(obj->p[0], point);
+
+ // Make sure we get the angle in the correct spot
+ if (angle < obj->angle[0])
+ angle += TAU;
+
+ // Get the span that we're pointing at...
+ double span = angle - obj->angle[0];
+
+ // N.B.: Still need to hit test the arc start & arc span handles...
+ double spanAngle = obj->angle[0] + obj->angle[1];
+ Point handle1 = obj->p[0] + (Vector(cos(obj->angle[0]), sin(obj->angle[0])) * obj->radius[0]);
+ Point handle2 = obj->p[0] + (Vector(cos(spanAngle), sin(spanAngle)) * obj->radius[0]);
+ double length2 = Vector::Magnitude(point, handle1);
+ double length3 = Vector::Magnitude(point, handle2);
+
+ if ((length * Global::zoom) < 8.0)
+ obj->hitPoint[0] = true;
+ else if ((length2 * Global::zoom) < 8.0)
+ obj->hitPoint[1] = true;
+ else if ((length3 * Global::zoom) < 8.0)
+ obj->hitPoint[2] = true;
+ else if (((fabs(length - obj->radius[0]) * Global::zoom) < 2.0) && (span < obj->angle[1]))
+ obj->hitObject = true;
+
+ obj->hovered = (obj->hitPoint[0] || obj->hitPoint[1] || obj->hitPoint[2] || obj->hitObject ? true : false);
+
+ if ((oldHP0 != obj->hitPoint[0]) || (oldHP1 != obj->hitPoint[1]) || (oldHP2 != obj->hitPoint[2]) || (oldHO != obj->hitObject))
+ needUpdate = true;
+
+ break;
+ }
+ case OTContainer:
+ {
+ // Containers must be recursively tested...
+ Container * c = (Container *)obj;
+ c->hitObject = false;
+ c->hovered = false;
+ std::vector<void *>::iterator i;
- if (l->hitPoint[0])
- l->p[0] = point;
- else if (l->hitPoint[1])
- l->p[1] = point;
- else if (l->hitObject)
+ for(i=c->objects.begin(); i!=c->objects.end(); i++)
{
- l->p[0] += delta;
- l->p[1] += delta;
+ Object * cObj = (Object *)*i;
+
+ if (HitTest(cObj, point))
+ needUpdate = true;
+
+ if (cObj->hitObject == true)
+ c->hitObject = true;
+
+ if (cObj->hovered == true)
+ c->hovered = true;
}
break;
default:
break;
}
+
+ return needUpdate;
}
+void DrawingView::HandleObjectMovement(Point point)
+{
+ Point delta = point - oldPoint;
+//printf("HOM: old = (%f,%f), new = (%f, %f), delta = (%f, %f)\n", oldPoint.x, oldPoint.y, point.x, point.y, delta.x, delta.y);
+ Object * obj = (Object *)hover[0];
+//printf("Object type = %i (size=%i), ", obj->type, hover.size());
+//printf("Object (%X) move: hp1=%s, hp2=%s, hl=%s\n", obj, (obj->hitPoint[0] ? "true" : "false"), (obj->hitPoint[1] ? "true" : "false"), (obj->hitObject ? "true" : "false"));
-#if 0
- // This returns true if we've moved over an object...
- if (document.PointerMoved(point)) // <-- This
- // This is where the object would do automagic dragging & shit. Since we don't
- // do that anymore, we need a strategy to handle it.
+ switch (obj->type)
{
+ case OTLine:
+ if (obj->hitPoint[0])
+ obj->p[0] = point;
+ else if (obj->hitPoint[1])
+ obj->p[1] = point;
+ else if (obj->hitObject)
+ {
+ obj->p[0] += delta;
+ obj->p[1] += delta;
+ }
-/*
-Now objects handle mouse move snapping as well. The code below mainly works only
-for tools; we need to fix it so that objects work as well...
-
-There's a problem with the object point snapping in that it's dependent on the
-order of the objects in the document. Most likely this is because it counts the
-selected object last and thus fucks up the algorithm. Need to fix this...
+ break;
+ case OTCircle:
+ if (obj->hitPoint[0])
+ obj->p[0] = point;
+ else if (obj->hitObject)
+ {
+//this doesn't work. we need to save this on mouse down for this to work correctly!
+// double oldRadius = obj->radius[0];
+ obj->radius[0] = Vector::Magnitude(obj->p[0], point);
+ QString text = QObject::tr("Radius: %1");//\nScale: %2%");
+ informativeText = text.arg(obj->radius[0], 0, 'd', 4);//.arg(obj->radius[0] / oldRadius * 100.0, 0, 'd', 0);
+ }
-*/
- // Do object snapping here. Grid snapping on mouse down is done in the
- // objects themselves, only because we have to hit test the raw point,
- // not the snapped point. There has to be a better way...!
- if (document.penultimateObjectHovered)
+ break;
+ case OTArc:
+ if (obj->hitPoint[0])
+ obj->p[0] = point;
+ else if (obj->hitPoint[1])
{
- // Two objects are hovered, see if we have an intersection point
- if ((document.lastObjectHovered->type == OTLine) && (document.penultimateObjectHovered->type == OTLine))
+ // Change the Arc's span (handle #1)
+ if (shiftDown)
{
- double t;
- int n = Geometry::Intersects((Line *)document.lastObjectHovered, (Line *)document.penultimateObjectHovered, &t);
+ double angle = Vector::Angle(obj->p[0], point);
+ double delta = angle - obj->angle[0];
- if (n == 1)
- {
- Global::snapPoint = document.lastObjectHovered->GetPointAtParameter(t);
- Global::snapPointIsValid = true;
- }
+ if (delta < 0)
+ delta += TAU;
+
+ obj->angle[1] -= delta;
+ obj->angle[0] = angle;
+
+ if (obj->angle[1] < 0)
+ obj->angle[1] += TAU;
+
+ QString text = QObject::tr("Span: %1") + QChar(0x00B0) + QObject::tr("\n%2") + QChar(0x00B0) + QObject::tr(" - %3") + QChar(0x00B0);
+ informativeText = text.arg(obj->angle[1] * RADIANS_TO_DEGREES, 0, 'd', 4).arg(obj->angle[0] * RADIANS_TO_DEGREES, 0, 'd', 2).arg((obj->angle[0] + obj->angle[1]) * RADIANS_TO_DEGREES, 0, 'd', 2);
+ return;
}
- else if ((document.lastObjectHovered->type == OTCircle) && (document.penultimateObjectHovered->type == OTCircle))
- {
- Point p1, p2;
- int n = Geometry::Intersects((Circle *)document.lastObjectHovered, (Circle *)document.penultimateObjectHovered, 0, 0, 0, 0, &p1, &p2);
- if (n == 1)
- {
- Global::snapPoint = p1;
- Global::snapPointIsValid = true;
- }
- else if (n == 2)
- {
- double d1 = Vector(point, p1).Magnitude();
- double d2 = Vector(point, p2).Magnitude();
+ double angle = Vector::Angle(obj->p[0], point);
+ obj->angle[0] = angle;
+ QString text = QObject::tr("Start angle: %1") + QChar(0x00B0);
+ informativeText = text.arg(obj->angle[0] * RADIANS_TO_DEGREES, 0, 'd', 4);
+ }
+ else if (obj->hitPoint[2])
+ {
+ // Change the Arc's span (handle #2)
+ if (shiftDown)
+ {
+ double angle = Vector::Angle(obj->p[0], point);
+ obj->angle[1] = angle - obj->angle[0];
- if (d1 < d2)
- Global::snapPoint = p1;
- else
- Global::snapPoint = p2;
+ if (obj->angle[1] < 0)
+ obj->angle[1] += TAU;
- Global::snapPointIsValid = true;
- }
+ QString text = QObject::tr("Span: %1") + QChar(0x00B0) + QObject::tr("\n%2") + QChar(0x00B0) + QObject::tr(" - %3") + QChar(0x00B0);
+ informativeText = text.arg(obj->angle[1] * RADIANS_TO_DEGREES, 0, 'd', 4).arg(obj->angle[0] * RADIANS_TO_DEGREES, 0, 'd', 2).arg((obj->angle[0] + obj->angle[1]) * RADIANS_TO_DEGREES, 0, 'd', 2);
+ return;
}
+
+ double angle = Vector::Angle(obj->p[0], point);
+ obj->angle[0] = angle - obj->angle[1];
+
+ if (obj->angle[0] < 0)
+ obj->angle[0] += TAU;
+
+ QString text = QObject::tr("End angle: %1") + QChar(0x00B0);
+ informativeText = text.arg((obj->angle[0] + obj->angle[1]) * RADIANS_TO_DEGREES, 0, 'd', 4);
}
-// else
-// {
- // Otherwise, it was a single object hovered...
-// }
- }
+ else if (obj->hitObject)
+ {
+ if (shiftDown)
+ {
+ return;
+ }
- if (toolAction)
- {
- if (Global::snapToGrid)
- point = Global::SnapPointToGrid(point);
+ obj->radius[0] = Vector::Magnitude(obj->p[0], point);
+ QString text = QObject::tr("Radius: %1");
+ informativeText = text.arg(obj->radius[0], 0, 'd', 4);
+ }
- // We always snap to object points, and they take precendence over
- // grid points...
- if (Global::snapPointIsValid)
- point = Global::snapPoint;
+ break;
+ case OTContainer:
+ // This is shitty, but works for now until I can code up something
+ // nicer :-)
+ TranslateObject(obj, delta);
- toolAction->MouseMoved(point);
+ break;
+ default:
+ break;
}
-#else
-#endif
+}
projects / architektonas / blobdiff