C++ Group::Activate方法代码示例

void SolveSpaceUI::PopOntoCurrentFrom(UndoStack *uk) {
    int i;

    ssassert(uk->cnt > 0, "Cannot pop from empty undo stack");
    (uk->cnt)--;
    uk->write = WRAP(uk->write - 1, MAX_UNDO);

    UndoState *ut = &(uk->d[uk->write]);

    // Free everything in the main copy of the program before replacing it
    for(i = 0; i < SK.groupOrder.n; i++) {
        Group *g = SK.GetGroup(SK.groupOrder.elem[i]);
        g->Clear();
    }
    SK.group.Clear();
    SK.groupOrder.Clear();
    SK.request.Clear();
    SK.constraint.Clear();
    SK.param.Clear();
    SK.style.Clear();

    // And then do a shallow copy of the state from the undo list
    ut->group.MoveSelfInto(&(SK.group));
    for(i = 0; i < ut->groupOrder.n; i++)
        SK.groupOrder.Add(&ut->groupOrder.elem[i]);
    ut->request.MoveSelfInto(&(SK.request));
    ut->constraint.MoveSelfInto(&(SK.constraint));
    ut->param.MoveSelfInto(&(SK.param));
    ut->style.MoveSelfInto(&(SK.style));
    SS.GW.activeGroup = ut->activeGroup;

    // No need to free it, since a shallow copy was made above
    *ut = {};

    // And reset the state everywhere else in the program, since the
    // sketch just changed a lot.
    SS.GW.ClearSuper();
    SS.TW.ClearSuper();
    SS.ReloadAllImported();
    SS.GenerateAll(SolveSpaceUI::Generate::ALL);
    SS.ScheduleShowTW();

    // Activate the group that was active before.
    Group *activeGroup = SK.GetGroup(SS.GW.activeGroup);
    activeGroup->Activate();
}

//.........这里部分代码省略.........
            g.opA = SS.GW.activeGroup;
            g.name.strcpy("lathe");
            break;

        case GraphicsWindow::MNU_GROUP_ROT: {
            if(gs.points == 1 && gs.n == 1 && SS.GW.LockedInWorkplane()) {
                g.predef.origin = gs.point[0];
                Entity *w = SK.GetEntity(SS.GW.ActiveWorkplane());
                g.predef.entityB = w->Normal()->h;
                g.activeWorkplane = w->h;
            } else if(gs.points == 1 && gs.vectors == 1 && gs.n == 2) {
                g.predef.origin = gs.point[0];
                g.predef.entityB = gs.vector[0];
            } else {
                Error("Bad selection for new rotation. This group can "
                      "be created with:\n\n"
                      "    * a point, while locked in workplane (rotate "
                            "in plane, about that point)\n"
                      "    * a point and a line or a normal (rotate about "
                            "an axis through the point, and parallel to "
                            "line / normal)\n");
                return;
            }
            g.type = ROTATE;
            g.opA = SS.GW.activeGroup;
            g.valA = 3;
            g.subtype = ONE_SIDED;
            g.name.strcpy("rotate");
            break;
        }

        case GraphicsWindow::MNU_GROUP_TRANS:
            g.type = TRANSLATE;
            g.opA = SS.GW.activeGroup;
            g.valA = 3;
            g.subtype = ONE_SIDED;
            g.predef.entityB = SS.GW.ActiveWorkplane();
            g.activeWorkplane = SS.GW.ActiveWorkplane();
            g.name.strcpy("translate");
            break;

        case GraphicsWindow::MNU_GROUP_IMPORT: {
            g.type = IMPORTED;
            g.opA = SS.GW.activeGroup;
            if(strlen(g.impFile) == 0) {
                if(!GetOpenFile(g.impFile, SLVS_EXT, SLVS_PATTERN)) return;
            }

            // Assign the default name of the group based on the name of
            // the imported file.
            char groupName[MAX_PATH];
            strcpy(groupName, g.impFile);
            char *dot = strrchr(groupName, '.');
            if(dot) *dot = '\0';

            char *s, *start = groupName;
            for(s = groupName; *s; s++) {
                if(*s == '/' || *s == '\\') {
                    start = s + 1;
                } else if(isalnum(*s)) {
                    // do nothing, valid character
                } else {
                    // convert invalid characters (like spaces) to dashes
                    *s = '-';
                }
            }
            if(strlen(start) > 0) {
                g.name.strcpy(start);
            } else {
                g.name.strcpy("import");
            }

            g.meshCombine = COMBINE_AS_ASSEMBLE;
            break;
        }

        default: oops();
    }
    SS.GW.ClearSelection();
    SS.UndoRemember();

    SK.group.AddAndAssignId(&g);
    Group *gg = SK.GetGroup(g.h);

    if(gg->type == IMPORTED) {
        SS.ReloadAllImported();
    }
    gg->clean = false;
    SS.GW.activeGroup = gg->h;
    SS.GenerateAll();
    if(gg->type == DRAWING_WORKPLANE) {
        // Can't set the active workplane for this one until after we've
        // regenerated, because the workplane doesn't exist until then.
        gg->activeWorkplane = gg->h.entity(0);
    }
    gg->Activate();
    SS.GW.AnimateOntoWorkplane();
    TextWindow::ScreenSelectGroup(0, gg->h.v);
    SS.later.showTW = true;
}