simulationSmooth = false;
simulationRapid = false;
simulationRunning = false;
+
+ // Snapper settings...
+ snapEntity = NULL;
+ snapSpot = Vector(false);
+ snapCoord = Vector(false);
+ snapperVisible = false;
+ snapDistance = 1.0;
+
+ settings.beginGroup("Snap");
+ snapRange = settings.value("Range", 20).toInt();
+ settings.endGroup();
+ settings.beginGroup("Appearance");
+ showCrosshairs = settings.value("ShowCrosshairs", true).toBool();
+ settings.endGroup();
+
+ // Sanity check for snapRange
+ if (snapRange < 2)
+ snapRange = 20;
}
/**
x1 = toGuiX(l->getStartpoint().x);
x2 = toGuiX(l->getEndpoint().x);
- if (x1 > 0.0 && x1 < (double)getWidth() || x2 > 0.0 && x2 < (double)getWidth())
+ if ((x1 > 0.0 && x1 < (double)getWidth())
+ || (x2 > 0.0 && x2 < (double)getWidth()))
{
minY = std::min(minY, l->getStartpoint().y);
minY = std::min(minY, l->getEndpoint().y);
/**
* Draws the entities. If painter is NULL a new painter will
- * be created and destroyed.
+ * be created and destroyed. [NB: Not any more, we don't let the programmer try
+ * to outsmart the toolkit anymore. :-P
*/
void GraphicView::drawIt()
{
{
return simulationRapid;
}
+
+/**
+ * Catches an entity which is close to the given position 'pos'.
+ *
+ * @param pos A graphic coordinate.
+ * @param level The level of resolving for iterating through the entity
+ * container
+ * @return Pointer to the entity or NULL.
+ */
+Entity * GraphicView::CatchEntity(const Vector & pos, RS2::ResolveLevel level)
+{
+ DEBUG->print("GraphicView::CatchEntity");
+
+ // Set default distance for points inside solids
+ double dist = toGraphDX(snapRange) * 0.9;
+ Entity * entity = container->getNearestEntity(pos, &dist, level);
+
+ // DEBUGGING INFO
+ int idx = -1;
+
+ if (entity && entity->getParent())
+ idx = entity->getParent()->findEntity(entity);
+ // END DEBUGGING INFO
+
+ if (entity && dist <= toGraphDX(snapRange))
+ {
+ // Highlight:
+ DEBUG->print("GraphicView::CatchEntity: found: idx=%d", idx);
+ return entity;
+ }
+
+ DEBUG->print("GraphicView::CatchEntity: not found");
+ return NULL;
+}
+
+/**
+ * Catches an entity which is close to the mouse cursor.
+ *
+ * @param e A mouse event.
+ * @param level The level of resolving for iterating through the entity
+ * container
+ * @return Pointer to the entity or NULL.
+ */
+Entity * GraphicView::CatchEntity(QMouseEvent * e, RS2::ResolveLevel level)
+{
+ return CatchEntity(Vector(toGraphX(e->x()), toGraphY(e->y())), level);
+}
+
+/**
+ * Snap to a coordinate in the drawing using the current snap mode.
+ *
+ * @param e A mouse event.
+ * @return The coordinates of the point or an invalid vector.
+ */
+Vector GraphicView::SnapPoint(QMouseEvent * e)
+{
+ DEBUG->print("GraphicView::SnapPoint");
+ /*Vector*/ snapSpot = Vector(false);
+
+ if (!e)
+ {
+ DEBUG->print(Debug::D_WARNING, "GraphicView::SnapPoint: QMouseEvent is NULL");
+ return snapSpot;
+ }
+
+ Vector mouseCoord = toGraph(e->x(), e->y());
+
+// switch (snapMode)
+ switch (defaultSnapMode)
+ {
+ case RS2::SnapFree:
+// snapSpot = snapFree(mouseCoord);
+ snapEntity = NULL;
+ snapSpot = mouseCoord;
+ break;
+
+ case RS2::SnapEndpoint:
+// snapSpot = snapEndpoint(mouseCoord);
+ snapSpot = container->getNearestEndpoint(mouseCoord, NULL);
+ break;
+
+ case RS2::SnapGrid:
+ snapSpot = SnapGrid(mouseCoord);
+ break;
+
+ case RS2::SnapOnEntity:
+// snapSpot = snapOnEntity(mouseCoord);
+ snapSpot = container->getNearestPointOnEntity(mouseCoord, true, NULL, &snapEntity);
+ break;
+
+ case RS2::SnapCenter:
+// snapSpot = snapCenter(mouseCoord);
+ snapSpot = container->getNearestCenter(mouseCoord, NULL);
+ break;
+
+ case RS2::SnapMiddle:
+// snapSpot = snapMiddle(mouseCoord);
+ snapSpot = container->getNearestMiddle(mouseCoord, NULL);
+ break;
+
+ case RS2::SnapDist:
+// snapSpot = snapDist(mouseCoord);
+ snapSpot = container->getNearestDist(snapDistance, mouseCoord, NULL);
+ break;
+
+ case RS2::SnapIntersection:
+// snapSpot = snapIntersection(mouseCoord);
+ snapSpot = container->getNearestIntersection(mouseCoord, NULL);
+ break;
+
+ default:
+ break;
+ }
+
+ // This is declared here because I really, really hate extraneous braces in
+ // my switch statements. :-P
+ Vector relZero = getRelativeZero();
+ Vector restrictX = Vector(relZero.x, snapSpot.y);
+ Vector restrictY = Vector(snapSpot.x, relZero.y);
+// Vector snapCoord;
+ // Handle snap restrictions that can be activated in addition to the ones above:
+// switch (snapRes)
+ switch (defaultSnapRes)
+ {
+ case RS2::RestrictOrthogonal:
+//// snapCoord = restrictOrthogonal(snapSpot);
+// rz = graphicView->getRelativeZero();
+// retx = Vector(rz.x, snapSpot.y);
+// rety = Vector(snapSpot.x, rz.y);
+ snapCoord = (restrictX.distanceTo(snapSpot) < restrictY.distanceTo(snapSpot) ?
+ restrictX : restrictY);
+ break;
+ case RS2::RestrictHorizontal:
+//// snapCoord = restrictHorizontal(snapSpot);
+// rz = graphicView->getRelativeZero();
+// snapCoord = Vector(snapSpot.x, rz.y);
+ snapCoord = restrictY;
+ break;
+ case RS2::RestrictVertical:
+//// snapCoord = restrictVertical(snapSpot);
+// rz = graphicView->getRelativeZero();
+// snapCoord = Vector(rz.x, snapSpot.y);
+ snapCoord = restrictX;
+ break;
+ default:
+ case RS2::RestrictNothing:
+ snapCoord = snapSpot;
+ break;
+ }
+
+ if (DIALOGFACTORY)
+ DIALOGFACTORY->updateCoordinateWidget(snapCoord, snapCoord - relZero);
+
+ DEBUG->print("GraphicView::SnapPoint: OK");
+
+ return snapCoord;
+}
+
+/**
+ * Snaps to a grid point.
+ *
+ * @param coord The mouse coordinate.
+ * @return The coordinates of the point or an invalid vector.
+ */
+Vector GraphicView::SnapGrid(Vector coord)
+{
+ DEBUG->print("GraphicView::snapGrid begin");
+
+ Vector vec(false);
+ double dist = 0.0;
+
+ DEBUG->print("GraphicView::snapGrid 001");
+
+ if (grid)
+ {
+ DEBUG->print("GraphicView::snapGrid 002");
+ Vector * pts = grid->getPoints();
+ DEBUG->print("GraphicView::snapGrid 003");
+ int closest = -1;
+ dist = 32000.00;
+ DEBUG->print("GraphicView::snapGrid 004");
+
+ for(int i=0; i<grid->count(); ++i)
+ {
+ double d = pts[i].distanceTo(coord);
+
+ if (d < dist)
+ {
+ closest = i;
+ dist = d;
+ }
+ }
+
+ DEBUG->print("GraphicView::snapGrid 005");
+
+ if (closest >= 0)
+ vec = pts[closest];
+
+ DEBUG->print("GraphicView::snapGrid 006");
+ }
+
+ snapEntity = NULL;
+
+ DEBUG->print("GraphicView::snapGrid end");
+
+ return vec;
+}
+
+void GraphicView::DrawSnapper(PaintInterface * painter)
+{
+//Is "finished" used at all? Seems it's used only in ActionInterface, and it's commented out
+// if (finished || !snapSpot.valid || !snapCoord.valid)
+ if (!snapSpot.valid || !snapCoord.valid)
+#if 1
+{
+printf("DrawSnapper: snapSpot=%s, snapCoord=%s...\n", (snapSpot.valid ? "valid" : "INVALID"), (snapCoord.valid ? "valid" : "INVALID"));
+#endif
+ return;
+#if 1
+}
+#endif
+
+ // Snap point (need to make sure the brush is NULL!)
+// painter->setPen(Pen(Color(0, 127, 255), RS2::Width00, RS2::DashLine));
+ painter->setPen(Pen(Color(255, 127, 0), RS2::Width00, RS2::DashLine));
+ painter->drawCircle(toGui(snapCoord), 4);
+
+ // Crosshairs
+ if (showCrosshairs)
+ {
+ painter->setPen(Pen(Color(0, 255, 255), RS2::Width00, RS2::DashLine));
+ painter->drawLine(Vector(0, toGuiY(snapCoord.y)),
+ Vector(getWidth(), toGuiY(snapCoord.y)));
+ painter->drawLine(Vector(toGuiX(snapCoord.x), 0),
+ Vector(toGuiX(snapCoord.x), getHeight()));
+ }
+
+ // Cursor
+ if (snapCoord != snapSpot)
+ {
+ painter->drawLine(toGui(snapSpot) + Vector(-5, 0), toGui(snapSpot) + Vector(-1, 4));
+ painter->drawLine(toGui(snapSpot) + Vector(0, 5), toGui(snapSpot) + Vector(4, 1));
+ painter->drawLine(toGui(snapSpot) + Vector(5, 0), toGui(snapSpot) + Vector(1, -4));
+ painter->drawLine(toGui(snapSpot) + Vector(0, -5), toGui(snapSpot) + Vector(-4, -1));
+ }
+}
+
+void GraphicView::SetSnapperVisible(bool visibility/*= true*/)
+{
+ snapperVisible = visibility;
+}
+
+bool GraphicView::SnapperVisible(void)
+{
+ return snapperVisible;
+}
+
+#if 0
+/*
+only place this is called is in ActionInterface. And its only function is to
+have it not drawn anymore. But, the GraphicView seems to draw it anyway... So
+some other approach is needed...
+*/
+void Snapper::finish()
+{
+ finished = true;
+}
+
+/**
+ * @return Pointer to the entity which was the key entity for the last
+ * successful snapping action. If the snap mode is "end point" the key entity
+ * is the entity whose end point was caught. If the snap mode didn't require an
+ * entity (e.g. free, grid) this method will return NULL.
+ */
+Entity * Snapper::getKeyEntity()
+{
+ return keyEntity;
+}
+
+/** Sets a new snap mode. */
+void Snapper::setSnapMode(RS2::SnapMode snapMode)
+{
+ this->snapMode = snapMode;
+}
+
+/** Sets a new snap restriction. */
+void Snapper::setSnapRestriction(RS2::SnapRestriction snapRes)
+{
+ this->snapRes = snapRes;
+}
+
+RS2::SnapMode Snapper::getSnapMode(void)
+{
+ return snapMode;
+}
+
+RS2::SnapRestriction Snapper::getSnapRestriction(void)
+{
+ return snapRes;
+}
+
+/**
+ * Sets the snap range in pixels for catchEntity().
+ *
+ * @see catchEntity()
+ */
+void Snapper::setSnapRange(int r)
+{
+ snapRange = r;
+}
+
+#if 0
+I think that these suspend() & resume() functions are not used anymore...
+#endif
+/**
+ * Suspends this snapper while another action takes place.
+ */
+/*virtual*/ void Snapper::suspend()
+{
+#warning "!!! This may need to have SetVisibility() called !!!"
+// deleteSnapper();
+ snapSpot = snapCoord = Vector(false);
+}
+
+/**
+ * Resumes this snapper after it has been suspended.
+ */
+/*virtual*/ void Snapper::resume()
+{
+#warning "!!! This may need to have SetVisibility() called !!!"
+// drawSnapper();
+}
+
+/**
+ * Hides the snapper options.
+ */
+/*virtual*/ void Snapper::hideOptions()
+{
+ if (snapMode == RS2::SnapDist && DIALOGFACTORY)
+ DIALOGFACTORY->requestSnapDistOptions(distance, false);
+}
+
+/**
+ * Shows the snapper options.
+ */
+/*virtual*/ void Snapper::showOptions()
+{
+ if (snapMode == RS2::SnapDist && DIALOGFACTORY)
+ DIALOGFACTORY->requestSnapDistOptions(distance, true);
+}
+#endif
projects / architektonas / blobdiff