+void ApplicationWindow::HandleConnection(void)
+{
+#if 0
+//double tt = Geometry::ParameterOfLineAndPoint(Vector(0, 0), Vector(10, 0), Vector(8, 2));
+//printf("Parameter of point @ (8,2) of line (0,0), (10,0): %lf\n", tt);
+ int itemsSelected = drawing->document.ItemsSelected();
+
+ // If nothing selected, do nothing
+ if (itemsSelected == 0)
+ {
+ statusBar()->showMessage(tr("No objects selected to connect."));
+ return;
+ }
+
+ // If one thing selected, do nothing
+ if (itemsSelected == 1)
+ {
+ statusBar()->showMessage(tr("Nothing to connect object to."));
+ return;
+ }
+
+ // This is O(n^2 / 2) :-P
+ for(int i=0; i<itemsSelected; i++)
+ {
+ Object * obj1 = drawing->document.SelectedItem(i);
+
+ for(int j=i+1; j<itemsSelected; j++)
+ {
+ Object * obj2 = drawing->document.SelectedItem(j);
+ double t, u, v, w;
+
+// if ((obj1->type != OTLine) || (obj2->type != OTLine))
+// continue;
+
+ if ((obj1->type == OTLine) && (obj2->type == OTLine))
+ {
+//printf("Testing objects for intersection (%X, %X)...\n", obj1, obj2);
+ int intersects = Geometry::Intersects((Line *)obj1, (Line *)obj2, &t, &u);
+//printf(" (%s) --> t=%lf, u=%lf\n", (intersects ? "true" : "FALSE"), t, u);
+
+ if (intersects)
+ {
+ //printf("Connecting objects (%X, %X)...\n", obj1, obj2);
+ obj1->Connect(obj2, u);
+ obj2->Connect(obj1, t);
+ }
+ }
+ else if (((obj1->type == OTLine) && (obj2->type == OTDimension))
+ || ((obj2->type == OTLine) && (obj1->type == OTDimension)))
+ {
+printf("Testing Line<->Dimension intersection...\n");
+ Line * line = (Line *)(obj1->type == OTLine ? obj1 : obj2);
+ Dimension * dim = (Dimension *)(obj1->type == OTDimension ? obj1 : obj2);
+
+ int intersects = Geometry::Intersects(line, dim, &t, &u);
+printf(" -> intersects = %i, t=%lf, u=%lf\n", intersects, t, u);
+
+ if (intersects)
+ {
+ obj1->Connect(obj2, u);
+ obj2->Connect(obj1, t);
+ }
+ }
+ }
+ }
+#else
+#endif
+}
+
+void ApplicationWindow::HandleDisconnection(void)
+{
+}
+
+void ApplicationWindow::HandleGridSizeInPixels(int /*size*/)
+{
+// drawing->SetGridSize((uint32_t)size);
+ drawing->update();
+}
+
+void ApplicationWindow::HandleGridSizeInBaseUnits(QString text)
+{
+ // Parse the text...
+ bool ok;
+ double value = text.toDouble(&ok);
+
+ // Nothing parsable to a double, so quit...
+ if (!ok || value == 0)
+ return;
+
+ Global::gridSpacing = value;
+ Global::zoom = drawing->gridPixels / Global::gridSpacing;
+ drawing->update();
+}
+
+void ApplicationWindow::HandleDimensionSize(QString text)
+{
+/*
+This is the third input on the view toolbar; not sure what it was supposed to do... (resize all dimensions in the drawing?)
+*/
+ // Parse the text...
+ bool ok;
+ double value = text.toDouble(&ok);
+
+ // Nothing parsable to a double, so quit...
+ if (!ok || value == 0)
+ return;
+
+// drawing->document.ResizeAllDimensions(value);
+ drawing->update();
+}
+
+void ApplicationWindow::EditCopy(void)
+{
+ if (drawing->select.size() > 0)
+ {
+ DeleteContents(clipboard);
+ clipboard = CopySelectedObjects(drawing->document.objects);
+ }
+}
+
+void ApplicationWindow::EditCut(void)
+{
+ if (drawing->select.size() > 0)
+ {
+ DeleteContents(clipboard);
+ clipboard = MoveSelectedObjectsFrom(drawing->document.objects);
+ drawing->update();
+ }
+}
+
+void ApplicationWindow::EditPaste(void)
+{
+ if (clipboard.size() > 0)
+ {
+ // We want to maybe make it so that the pasted objects are being moved in a "mouse drag" state...
+ ClearSelected(drawing->document.objects);
+ SelectAll(clipboard);
+ drawing->document.Add(CopyObjects(clipboard));
+ drawing->update();
+ }
+}
+
+//
+// Select all *visible* objects. If an object is on a layer that is not
+// visible, skip it.
+//
+void ApplicationWindow::SelectAllObjects(void)
+{
+ // Set object's state & update the drawing
+ SelectAll(drawing->document.objects);
+ drawing->update();
+}