2 // object.cpp: Base class for all CAD objects
4 // Part of the Architektonas Project
5 // (C) 2011 Underground Software
6 // See the README and GPLv3 files for licensing and warranty information
8 // JLH = James Hammons <jlhamm@acm.org>
11 // --- ---------- ------------------------------------------------------------
12 // JLH 03/22/2011 Created this file
13 // JLH 04/01/2011 Added constructor to allow derived objects to have empty
14 // constructor bodies, added state querying
15 // JLH 04/02/2001 Added static methods for global states (fixed angle, etc)
21 // Initialize static variables
22 bool Object::fixedAngle = false;
23 bool Object::fixedLength = false;
24 QFont * Object::font = 0;
25 int Object::viewportHeight = 0;
26 bool Object::deleteActive = false;
27 bool Object::dimensionActive = false;
28 bool Object::snapToGrid = true;
29 //snapToPoints all well here?
30 bool Object::ignoreClicks = false;
31 bool Object::dontMove = false;
32 bool Object::selectionInProgress = false;
33 QRectF Object::selection;
36 Object::Object(): position(Vector(0, 0)), parent(0), type(OTObject),
37 state(OSInactive), oldState(OSInactive), needUpdate(false)
38 //, attachedDimension(0)
43 Object::Object(Vector v, Object * passedInParent/*= 0*/): position(v),
44 parent(passedInParent), state(OSInactive), oldState(OSInactive),
45 needUpdate(false)//, attachedDimension(0)
52 printf("Object: Destroyed!\n");
53 for(uint i=0; i<connected.size(); i++)
54 connected[i].object->DisconnectAll(this);
58 /*virtual*/ void Object::Draw(Painter *)
63 /*virtual*/ Vector Object::Center(void)
69 /*virtual*/ bool Object::Collided(Vector)
75 /*virtual*/ void Object::PointerMoved(Vector)
80 /*virtual*/ void Object::PointerReleased(void)
85 /*virtual*/ bool Object::NeedsUpdate(void)
91 /*virtual*/ bool Object::HitTest(Point)
97 // This is intended to be overridden by the Container class, for object morphing
98 /*virtual*/ void Object::Transmute(Object *, Object *)
103 /*virtual*/ Object * Object::GetParent(void)
109 /*virtual*/ void Object::Add(Object *)
114 // This returns a pointer to the point passed in, if it coincides. Otherwise returns NULL.
115 /*virtual*/ Vector * Object::GetPointAt(Vector)
121 // This is meant for writing object data to a file.
122 /*virtual*/ void Object::Enumerate(FILE *)
127 /*virtual*/ Object * Object::Copy(void)
129 return new Object(position, parent);
133 // This returns a point on the object at 'parameter', which is between 0 and 1.
134 // Default is to return the object's position.
135 /*virtual*/ Vector Object::GetPointAtParameter(double)
141 // Since these functions are pretty much non-object specific, we can implement
143 /*virtual*/ void Object::Connect(Object * obj, double parameter)
145 connected.push_back(Connection(obj, parameter));
149 /*virtual*/ void Object::Disconnect(Object * obj, double parameter)
152 for(uint i=0; i<connected.size(); i++)
154 if (connected[i].object == obj && connected[i].t == parameter)
156 connected.erase(connected.begin() + i);
161 std::vector<Connection>::iterator i;
163 for(i=connected.begin(); i!=connected.end(); i++)
165 if (((*i).object == obj) && ((*i).t == parameter))
175 /*virtual*/ void Object::DisconnectAll(Object * obj)
178 // According the std::vector docs, only items at position i and beyond are
179 // invalidated, everything before i is still valid. So we use that here.
180 for(uint i=0; i<connected.size();)
182 // If we found our object, erase it from the vector but don't advance
183 // the iterator. Otherwise, advance the iterator. :-)
184 if (connected[i].object == obj)
185 connected.erase(connected.begin() + i);
190 std::vector<Connection>::iterator i;
192 for(i=connected.begin(); i!=connected.end(); )
194 if ((*i).object == obj)
203 /*virtual*/ QRectF Object::Extents(void)
205 // Generic object returns an empty rect...
211 /*virtual*/ ObjectType Object::Type(void)
218 /*virtual*/ void Object::Translate(Vector amount)
224 /*virtual*/ void Object::Rotate(Vector, double)
229 /*virtual*/ void Object::Scale(Vector, double)
234 ObjectState Object::GetState(void)
240 void Object::Reparent(Object * newParent)
246 /*Dimension * Object::GetAttachedDimension(void)
248 return attachedDimension;
254 void Object::SetFixedAngle(bool state/*= true*/)
260 void Object::SetFixedLength(bool state/*= true*/)
266 void Object::SetFont(QFont * f)
272 void Object::SetViewportHeight(int height)
274 viewportHeight = height;
278 void Object::SetDeleteActive(bool state/*= true*/)
280 deleteActive = state;
284 void Object::SetDimensionActive(bool state/*= true*/)
286 dimensionActive = state;
290 void Object::SetSnapMode(bool state/*= true*/)