#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), numSelected(0), numHovered(0), shiftDown(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),
- gridPixels(0), collided(false), hoveringIntersection(false)
+ scale(1.0), offsetX(-10), offsetY(-10), document(true),
+ gridPixels(0), collided(false), hoveringIntersection(false),
+ dragged(NULL), draggingObject(false)
{
-// document.isTopLevelContainer = true;
//wtf? doesn't work except in c++11??? document = { 0 };
setBackgroundRole(QPalette::Base);
setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
//
// Renders objects in the passed in vector
//
-void DrawingView::RenderObjects(Painter * painter, std::vector<void *> & v, int layer)
+void DrawingView::RenderObjects(Painter * painter, std::vector<void *> & v, int layer, bool ignoreLayer/*= false*/)
{
std::vector<void *>::iterator i;
float scaledThickness = Global::scale * obj->thickness;
// If the object isn't on the current layer being drawn, skip it
- if (obj->layer != layer)
+ if (!ignoreLayer && (obj->layer != layer))
continue;
if ((Global::tool == TTRotate) && ctrlDown && obj->selected)
painter->DrawTextObject(t->p[0], t->s.c_str(), scaledThickness);
break;
}
+ case OTSpline:
+ {
+ break;
+ }
+ case OTPolygon:
+ {
+ break;
+ }
+ case OTContainer:
+ {
+ // Containers require recursive rendering...
+ Container * c = (Container *)obj;
+ RenderObjects(painter, (*c).objects, layer);
+
+//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);
+ }
+
+ break;
+ }
default:
break;
}
}
else
{
+ painter->DrawCross(toolPoint[0]);
double length = Vector::Magnitude(toolPoint[0], toolPoint[1]);
-// painter->DrawLine(toolPoint[0], toolPoint[1]);
-// painter->DrawHandle(toolPoint[1]);
painter->SetBrush(QBrush(Qt::NoBrush));
painter->DrawEllipse(toolPoint[0], length, length);
- QString text = tr("Radius: %1 in.");//\n") + QChar(0x2221) + tr(": %2");
- informativeText = text.arg(length);//.arg(absAngle);
+ QString text = tr("Radius: %1 in.");
+ informativeText = text.arg(length);
}
}
else if (Global::tool == TTArc)
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");
return;
Point mirrorPoint = toolPoint[0] + Vector(toolPoint[1], toolPoint[0]);
-// painter->DrawLine(toolPoint[0], toolPoint[1]);
painter->DrawLine(mirrorPoint, 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;
// Handle tool processing, if any
if (Global::tool)
{
- if (Global::snapToGrid)
+ 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.
+ //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;
}
AddHoveredToSelection();
update(); // needed??
GetHovered(hover); // prolly needed
+ dragged = (Object *)hover[0];
+ draggingObject = true;
// Needed for grab & moving objects
// We do it *after*... why? (doesn't seem to confer any advantage...)
- if (Global::snapToGrid)
+ if (hoveringIntersection)
+ oldPoint = intersectionPoint;
+ else if (Global::snapToGrid)
oldPoint = SnapPointToGrid(point);
return;
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;
return;
}
- // Handle object movement (left button down & over an object)
- if ((event->buttons() & Qt::LeftButton) && numHovered && !Global::tool)
- {
- if (Global::snapToGrid)
- point = SnapPointToGrid(point);
-
- HandleObjectMovement(point);
- update();
- oldPoint = point;
- return;
- }
-
// Do object hit testing...
bool needUpdate = HitTestObjects(point);
if (numHovered > 1)
{
GetHovered(hover);
+ Object * obj1 = (Object *)hover[0], * obj2 = (Object *)hover[1];
-// double t, u;
-// int numIntersecting = Geometry::Intersects((Object *)hover[0], (Object *)hover[1], &t, &u);
- Geometry::Intersects((Object *)hover[0], (Object *)hover[1]);
+ Geometry::Intersects(obj1, obj2);
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);
+ Vector v1 = Geometry::GetPointForParameter(obj1, t);
+ Vector v2 = Geometry::GetPointForParameter(obj2, 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);
}
}
+ // Handle object movement (left button down & over an object)
+ if ((event->buttons() & Qt::LeftButton) && draggingObject && !Global::tool)
+ {
+ if (hoveringIntersection)
+ point = intersectionPoint;
+ else if (Global::snapToGrid)
+ point = SnapPointToGrid(point);
+
+ HandleObjectMovement(point);
+ update();
+ oldPoint = point;
+ return;
+ }
+
// Do tool handling, if any are active...
if (Global::tool)
{
- if (Global::snapToGrid)
+ if (hoveringIntersection)
+ point = intersectionPoint;
+ else if (Global::snapToGrid)
point = SnapPointToGrid(point);
ToolHandler(ToolMouseMove, point);
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 (((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);
}
+
+ draggingObject = false;
}
else if (event->button() == Qt::MiddleButton)
{
update();
}
+
+ if (select.size() > 0)
+ {
+ if (event->key() == Qt::Key_Up)
+ {
+ TranslateObjects(select, Point(0, +1.0));
+ update();
+ }
+ else if (event->key() == Qt::Key_Down)
+ {
+ TranslateObjects(select, Point(0, -1.0));
+ update();
+ }
+ else if (event->key() == Qt::Key_Right)
+ {
+ TranslateObjects(select, Point(+1.0, 0));
+ update();
+ }
+ else if (event->key() == Qt::Key_Left)
+ {
+ TranslateObjects(select, Point(-1.0, 0));
+ update();
+ }
+ }
}
}
+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++)
{
default:
break;
}
-
- if (obj->selected)
- numSelected++;
}
}
{
Object * obj = (Object *)(*i);
- switch (obj->type)
- {
- case OTLine:
+ // If we're seeing the object we're dragging, skip it
+ if (draggingObject && (obj == dragged))
+ continue;
+
+ if (HitTest(obj, point))
+ needUpdate = true;
+
+ if (obj->hovered)
{
- 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());
+ numHovered++;
+//printf("MouseMove: OBJECT HOVERED (numHovered = %i)\n", numHovered);
+ emit(ObjectHovered(obj));
+ }
+ }
- 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;
+ return needUpdate;
+}
- 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;
+bool DrawingView::HitTest(Object * obj, Point point)
+{
+ bool needUpdate = false;
- 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);
+ switch (obj->type)
+ {
+ case OTLine:
+ {
+ 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 ((length * Global::zoom) < 8.0)
- obj->hitPoint[0] = true;
- else if ((fabs(length - obj->radius[0]) * Global::zoom) < 2.0)
- obj->hitObject = true;
+ 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->hitObject ? true : false);
+ obj->hovered = (obj->hitPoint[0] || obj->hitPoint[1] || obj->hitObject ? true : false);
- if ((oldHP != obj->hitPoint[0]) || (oldHO != obj->hitObject))
- needUpdate = true;
+ if ((oldHP0 != obj->hitPoint[0]) || (oldHP1 != obj->hitPoint[1]) || (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);
+ 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);
- // Make sure we get the angle in the correct spot
- if (angle < obj->angle[0])
- angle += TAU;
+ if ((length * Global::zoom) < 8.0)
+ obj->hitPoint[0] = true;
+ else if ((fabs(length - obj->radius[0]) * Global::zoom) < 2.0)
+ obj->hitObject = true;
- // Get the span that we're pointing at...
- double span = angle - obj->angle[0];
+ obj->hovered = (obj->hitPoint[0] || obj->hitObject ? true : false);
- // 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 ((oldHP != obj->hitPoint[0]) || (oldHO != obj->hitObject))
+ needUpdate = true;
- 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;
+ 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;
- obj->hovered = (obj->hitPoint[0] || obj->hitPoint[1] || obj->hitPoint[2] || obj->hitObject ? true : false);
+ for(i=c->objects.begin(); i!=c->objects.end(); i++)
+ {
+ Object * cObj = (Object *)*i;
- if ((oldHP0 != obj->hitPoint[0]) || (oldHP1 != obj->hitPoint[1]) || (oldHP2 != obj->hitPoint[2]) || (oldHO != obj->hitObject))
+ if (HitTest(cObj, point))
needUpdate = true;
- break;
- }
- default:
- break;
+ if (cObj->hitObject == true)
+ c->hitObject = true;
+
+ if (cObj->hovered == true)
+ c->hovered = true;
}
- if (obj->hovered)
-// {
- numHovered++;
-//printf("MouseMove: OBJECT HOVERED (numHovered = %i)\n", numHovered);
-// }
+ break;
+ }
+ default:
+ break;
}
return needUpdate;
{
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];
+// Object * obj = (Object *)hover[0];
+ Object * obj = dragged;
//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"));
informativeText = text.arg(obj->radius[0], 0, 'd', 4);
}
+ break;
+ case OTContainer:
+ // This is shitty, but works for now until I can code up something
+ // nicer :-)
+ TranslateObject(obj, delta);
+
break;
default:
break;
}
}
-
-
-#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.
- {
-
-/*
-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...
-
-
-*/
- // 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)
- {
- // Two objects are hovered, see if we have an intersection point
- if ((document.lastObjectHovered->type == OTLine) && (document.penultimateObjectHovered->type == OTLine))
- {
- double t;
- int n = Geometry::Intersects((Line *)document.lastObjectHovered, (Line *)document.penultimateObjectHovered, &t);
-
- if (n == 1)
- {
- Global::snapPoint = document.lastObjectHovered->GetPointAtParameter(t);
- Global::snapPointIsValid = true;
- }
- }
- 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();
-
- if (d1 < d2)
- Global::snapPoint = p1;
- else
- Global::snapPoint = p2;
-
- Global::snapPointIsValid = true;
- }
- }
- }
-// else
-// {
- // Otherwise, it was a single object hovered...
-// }
- }
-
- if (toolAction)
- {
- if (Global::snapToGrid)
- point = Global::SnapPointToGrid(point);
-
- // We always snap to object points, and they take precendence over
- // grid points...
- if (Global::snapPointIsValid)
- point = Global::snapPoint;
-
- toolAction->MouseMoved(point);
- }
-#else
-#endif
-
projects / architektonas / blobdiff