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Copy pathclipboard.cpp
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518 lines (471 loc) · 18.1 KB
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//-----------------------------------------------------------------------------
// The clipboard that gets manipulated when the user selects Edit -> Cut,
// Copy, Paste, etc.; may contain entities only, not constraints.
//
// Copyright 2008-2013 Jonathan Westhues.
//-----------------------------------------------------------------------------
#include "solvespace.h"
void SolveSpaceUI::Clipboard::Clear() {
c.Clear();
r.Clear();
}
bool SolveSpaceUI::Clipboard::ContainsEntity(hEntity he) {
if(he == Entity::NO_ENTITY)
return true;
ClipboardRequest *cr;
for(cr = r.First(); cr; cr = r.NextAfter(cr)) {
if(cr->oldEnt == he)
return true;
for(int i = 0; i < MAX_POINTS_IN_ENTITY; i++) {
if(cr->oldPointEnt[i] == he)
return true;
}
}
return false;
}
hEntity SolveSpaceUI::Clipboard::NewEntityFor(hEntity he) {
if(he == Entity::NO_ENTITY)
return Entity::NO_ENTITY;
ClipboardRequest *cr;
for(cr = r.First(); cr; cr = r.NextAfter(cr)) {
if(cr->oldEnt == he)
return cr->newReq.entity(0);
for(int i = 0; i < MAX_POINTS_IN_ENTITY; i++) {
if(cr->oldPointEnt[i] == he)
return cr->newReq.entity(1+i);
}
}
ssassert(false, "Expected to find entity in some clipboard request");
}
void GraphicsWindow::DeleteSelection() {
SK.request.ClearTags();
SK.constraint.ClearTags();
List<Selection> *ls = &(selection);
for(Selection *s = ls->First(); s; s = ls->NextAfter(s)) {
hRequest r = { 0 };
if(s->entity.v && s->entity.isFromRequest()) {
r = s->entity.request();
}
if(r.v && !r.IsFromReferences()) {
SK.request.Tag(r, 1);
}
if(s->constraint.v) {
SK.constraint.Tag(s->constraint, 1);
}
}
SK.constraint.RemoveTagged();
// Note that this regenerates and clears the selection, to avoid
// lingering references to the just-deleted items.
DeleteTaggedRequests();
}
void GraphicsWindow::CopySelection() {
SS.clipboard.Clear();
Entity *wrkpl = SK.GetEntity(ActiveWorkplane());
Entity *wrkpln = SK.GetEntity(wrkpl->normal);
Vector u = wrkpln->NormalU(),
v = wrkpln->NormalV(),
n = wrkpln->NormalN(),
p = SK.GetEntity(wrkpl->point[0])->PointGetNum();
List<Selection> *ls = &(selection);
for(Selection *s = ls->First(); s; s = ls->NextAfter(s)) {
if(!s->entity.v) continue;
// Work only on entities that have requests that will generate them.
Entity *e = SK.GetEntity(s->entity);
bool hasDistance;
Request::Type req;
int pts;
if(!EntReqTable::GetEntityInfo(e->type, e->extraPoints,
&req, &pts, NULL, &hasDistance))
{
if(!e->h.isFromRequest()) continue;
Request *r = SK.GetRequest(e->h.request());
if(r->type != Request::Type::DATUM_POINT) continue;
EntReqTable::GetEntityInfo((Entity::Type)0, e->extraPoints,
&req, &pts, NULL, &hasDistance);
}
if(req == Request::Type::WORKPLANE) continue;
ClipboardRequest cr = {};
cr.type = req;
cr.extraPoints = e->extraPoints;
cr.style = e->style;
cr.str = e->str;
cr.font = e->font;
cr.file = e->file;
cr.construction = e->construction;
{for(int i = 0; i < pts; i++) {
Vector pt;
if(req == Request::Type::DATUM_POINT) {
pt = e->PointGetNum();
} else {
pt = SK.GetEntity(e->point[i])->PointGetNum();
}
pt = pt.Minus(p);
pt = pt.DotInToCsys(u, v, n);
cr.point[i] = pt;
}}
if(hasDistance) {
cr.distance = SK.GetEntity(e->distance)->DistanceGetNum();
}
cr.oldEnt = e->h;
for(int i = 0; i < pts; i++) {
cr.oldPointEnt[i] = e->point[i];
}
SS.clipboard.r.Add(&cr);
}
for(Selection *s = ls->First(); s; s = ls->NextAfter(s)) {
if(!s->constraint.v) continue;
Constraint *c = SK.GetConstraint(s->constraint);
if(c->type == Constraint::Type::COMMENT) {
SS.clipboard.c.Add(c);
}
}
for(Constraint &c : SK.constraint) {
if(!SS.clipboard.ContainsEntity(c.ptA) ||
!SS.clipboard.ContainsEntity(c.ptB) ||
!SS.clipboard.ContainsEntity(c.entityA) ||
!SS.clipboard.ContainsEntity(c.entityB) ||
!SS.clipboard.ContainsEntity(c.entityC) ||
!SS.clipboard.ContainsEntity(c.entityD) ||
c.type == Constraint::Type::COMMENT) {
continue;
}
SS.clipboard.c.Add(&c);
}
}
void GraphicsWindow::PasteClipboard(Vector trans, double theta, double scale) {
Entity *wrkpl = SK.GetEntity(ActiveWorkplane());
Entity *wrkpln = SK.GetEntity(wrkpl->normal);
Vector u = wrkpln->NormalU(),
v = wrkpln->NormalV(),
n = wrkpln->NormalN(),
p = SK.GetEntity(wrkpl->point[0])->PointGetNum();
// For arcs, reflection involves swapping the endpoints, or otherwise
// the arc gets inverted.
auto mapPoint = [scale](hEntity he) {
if(he.v == 0) return he;
if(scale < 0) {
hRequest hr = he.request();
Request *r = SK.GetRequest(hr);
if(r->type == Request::Type::ARC_OF_CIRCLE) {
if(he == hr.entity(2)) {
return hr.entity(3);
} else if(he == hr.entity(3)) {
return hr.entity(2);
}
}
}
return he;
};
ClipboardRequest *cr;
for(cr = SS.clipboard.r.First(); cr; cr = SS.clipboard.r.NextAfter(cr)) {
hRequest hr = AddRequest(cr->type, /*rememberForUndo=*/false);
Request *r = SK.GetRequest(hr);
r->extraPoints = cr->extraPoints;
r->style = cr->style;
r->str = cr->str;
r->font = cr->font;
r->file = cr->file;
r->construction = cr->construction;
// Need to regen to get the right number of points, if extraPoints
// changed.
SS.GenerateAll(SolveSpaceUI::Generate::REGEN);
SS.MarkGroupDirty(r->group);
bool hasDistance;
int i, pts;
EntReqTable::GetRequestInfo(r->type, r->extraPoints,
NULL, &pts, NULL, &hasDistance);
for(i = 0; i < pts; i++) {
Vector pt = cr->point[i];
// We need the reflection to occur within the workplane; it may
// otherwise correspond to just a rotation as projected.
if(scale < 0) {
pt.x *= -1;
}
// Likewise the scale, which could otherwise take us out of the
// workplane.
pt = pt.ScaledBy(fabs(scale));
pt = pt.ScaleOutOfCsys(u, v, Vector::From(0, 0, 0));
pt = pt.Plus(p);
pt = pt.RotatedAbout(n, theta);
pt = pt.Plus(trans);
int j = (r->type == Request::Type::DATUM_POINT) ? i : i + 1;
SK.GetEntity(mapPoint(hr.entity(j)))->PointForceTo(pt);
}
if(hasDistance) {
SK.GetEntity(hr.entity(64))->DistanceForceTo(
cr->distance*fabs(scale));
}
cr->newReq = hr;
MakeSelected(hr.entity(0));
for(i = 0; i < pts; i++) {
int j = (r->type == Request::Type::DATUM_POINT) ? i : i + 1;
MakeSelected(hr.entity(j));
}
}
Constraint *cc;
for(cc = SS.clipboard.c.First(); cc; cc = SS.clipboard.c.NextAfter(cc)) {
Constraint c = {};
c.group = SS.GW.activeGroup;
c.workplane = SS.GW.ActiveWorkplane();
c.type = cc->type;
c.valA = cc->valA;
c.ptA = SS.clipboard.NewEntityFor(mapPoint(cc->ptA));
c.ptB = SS.clipboard.NewEntityFor(mapPoint(cc->ptB));
c.entityA = SS.clipboard.NewEntityFor(cc->entityA);
c.entityB = SS.clipboard.NewEntityFor(cc->entityB);
c.entityC = SS.clipboard.NewEntityFor(cc->entityC);
c.entityD = SS.clipboard.NewEntityFor(cc->entityD);
c.other = cc->other;
c.other2 = cc->other2;
c.reference = cc->reference;
c.disp = cc->disp;
c.comment = cc->comment;
bool dontAddConstraint = false;
switch(c.type) {
case Constraint::Type::COMMENT:
c.disp.offset = c.disp.offset.Plus(trans);
break;
case Constraint::Type::PT_PT_DISTANCE:
case Constraint::Type::PT_LINE_DISTANCE:
case Constraint::Type::PROJ_PT_DISTANCE:
case Constraint::Type::DIAMETER:
c.valA *= fabs(scale);
break;
case Constraint::Type::ARC_LINE_TANGENT: {
Entity *line = SK.GetEntity(c.entityB),
*arc = SK.GetEntity(c.entityA);
if(line->type == Entity::Type::ARC_OF_CIRCLE) {
swap(line, arc);
}
Constraint::ConstrainArcLineTangent(&c, line, arc);
break;
}
case Constraint::Type::CUBIC_LINE_TANGENT: {
Entity *line = SK.GetEntity(c.entityB),
*cubic = SK.GetEntity(c.entityA);
if(line->type == Entity::Type::CUBIC) {
swap(line, cubic);
}
Constraint::ConstrainCubicLineTangent(&c, line, cubic);
break;
}
case Constraint::Type::CURVE_CURVE_TANGENT: {
Entity *eA = SK.GetEntity(c.entityA),
*eB = SK.GetEntity(c.entityB);
Constraint::ConstrainCurveCurveTangent(&c, eA, eB);
break;
}
case Constraint::Type::HORIZONTAL:
case Constraint::Type::VERTICAL:
// When rotating 90 or 270 degrees, swap the vertical / horizontal constraints
if (EXACT(fmod(theta + (PI/2), PI) == 0)) {
if(c.type == Constraint::Type::HORIZONTAL) {
c.type = Constraint::Type::VERTICAL;
} else {
c.type = Constraint::Type::HORIZONTAL;
}
} else if (fmod(theta, PI/2) != 0) {
dontAddConstraint = true;
}
break;
default:
break;
}
if (!dontAddConstraint) {
hConstraint hc = Constraint::AddConstraint(&c, /*rememberForUndo=*/false);
if(c.type == Constraint::Type::COMMENT) {
MakeSelected(hc);
}
}
}
}
void GraphicsWindow::MenuClipboard(Command id) {
if(id != Command::DELETE && !SS.GW.LockedInWorkplane()) {
Error(_("Cut, paste, and copy work only in a workplane.\n\n"
"Activate one with Sketch -> In Workplane."));
return;
}
switch(id) {
case Command::PASTE: {
SS.UndoRemember();
Vector trans = SS.GW.projRight.ScaledBy(80/SS.GW.scale).Plus(
SS.GW.projUp .ScaledBy(40/SS.GW.scale));
SS.GW.ClearSelection();
SS.GW.PasteClipboard(trans, 0, 1);
break;
}
case Command::PASTE_TRANSFORM: {
if(SS.clipboard.r.IsEmpty()) {
Error(_("Clipboard is empty; nothing to paste."));
break;
}
Entity *wrkpl = SK.GetEntity(SS.GW.ActiveWorkplane());
Vector p = SK.GetEntity(wrkpl->point[0])->PointGetNum();
SS.TW.shown.paste.times = 1;
SS.TW.shown.paste.trans = Vector::From(0, 0, 0);
SS.TW.shown.paste.theta = 0;
SS.TW.shown.paste.origin = p;
SS.TW.shown.paste.scale = 1;
SS.TW.GoToScreen(TextWindow::Screen::PASTE_TRANSFORMED);
SS.GW.ForceTextWindowShown();
SS.ScheduleShowTW();
break;
}
case Command::COPY:
SS.GW.CopySelection();
SS.GW.ClearSelection();
break;
case Command::CUT:
SS.UndoRemember();
SS.GW.CopySelection();
SS.GW.DeleteSelection();
break;
case Command::DELETE:
SS.UndoRemember();
SS.GW.DeleteSelection();
break;
default: ssassert(false, "Unexpected menu ID");
}
}
bool TextWindow::EditControlDoneForPaste(const std::string &s) {
Expr *e;
switch(edit.meaning) {
case Edit::PASTE_TIMES_REPEATED: {
e = Expr::From(s, /*popUpError=*/true);
if(!e) break;
int v = (int)e->Eval();
if(v > 0) {
shown.paste.times = v;
} else {
Error(_("Number of copies to paste must be at least one."));
}
break;
}
case Edit::PASTE_ANGLE:
e = Expr::From(s, /*popUpError=*/true);
if(!e) break;
shown.paste.theta = WRAP_SYMMETRIC((e->Eval())*PI/180, 2*PI);
break;
case Edit::PASTE_SCALE: {
e = Expr::From(s, /*popUpError=*/true);
double v = e->Eval();
if(fabs(v) > 1e-6) {
shown.paste.scale = shown.paste.scale < 0 ? -v : v;
} else {
Error(_("Scale cannot be zero."));
}
break;
}
default:
return false;
}
return true;
}
void TextWindow::ScreenChangePasteTransformed(int link, uint32_t v) {
switch(link) {
case 't':
SS.TW.ShowEditControl(13, ssprintf("%d", SS.TW.shown.paste.times));
SS.TW.edit.meaning = Edit::PASTE_TIMES_REPEATED;
break;
case 'r':
SS.TW.ShowEditControl(13, ssprintf("%.3f", SS.TW.shown.paste.theta*180/PI));
SS.TW.edit.meaning = Edit::PASTE_ANGLE;
break;
case 's':
SS.TW.ShowEditControl(13, ssprintf("%.3f", fabs(SS.TW.shown.paste.scale)));
SS.TW.edit.meaning = Edit::PASTE_SCALE;
break;
case 'f':
SS.TW.shown.paste.scale *= -1;
break;
}
}
void TextWindow::ScreenPasteTransformed(int link, uint32_t v) {
SS.GW.GroupSelection();
switch(link) {
case 'o':
if(SS.GW.gs.points == 1 && SS.GW.gs.n == 1) {
Entity *e = SK.GetEntity(SS.GW.gs.point[0]);
SS.TW.shown.paste.origin = e->PointGetNum();
} else {
Error(_("Select one point to define origin of rotation."));
}
SS.GW.ClearSelection();
break;
case 't':
if(SS.GW.gs.points == 2 && SS.GW.gs.n == 2) {
Entity *pa = SK.GetEntity(SS.GW.gs.point[0]),
*pb = SK.GetEntity(SS.GW.gs.point[1]);
SS.TW.shown.paste.trans =
(pb->PointGetNum()).Minus(pa->PointGetNum());
} else {
Error(_("Select two points to define translation vector."));
}
SS.GW.ClearSelection();
break;
case 'g': {
if(fabs(SS.TW.shown.paste.theta) < LENGTH_EPS &&
SS.TW.shown.paste.trans.Magnitude() < LENGTH_EPS &&
SS.TW.shown.paste.times != 1)
{
Message(_("Transformation is identity. So all copies will be "
"exactly on top of each other."));
}
if(SS.TW.shown.paste.times*SS.clipboard.r.n > 100) {
Error(_("Too many items to paste; split this into smaller "
"pastes."));
break;
}
if(!SS.GW.LockedInWorkplane()) {
Error(_("No workplane active."));
break;
}
Entity *wrkpl = SK.GetEntity(SS.GW.ActiveWorkplane());
Entity *wrkpln = SK.GetEntity(wrkpl->normal);
Vector wn = wrkpln->NormalN();
SS.UndoRemember();
SS.GW.ClearSelection();
for(int i = 0; i < SS.TW.shown.paste.times; i++) {
Vector trans = SS.TW.shown.paste.trans.ScaledBy(i+1),
origin = SS.TW.shown.paste.origin;
double theta = SS.TW.shown.paste.theta*(i+1);
// desired transformation is Q*(p - o) + o + t =
// Q*p - Q*o + o + t = Q*p + (t + o - Q*o)
Vector t = trans.Plus(
origin).Minus(
origin.RotatedAbout(wn, theta));
SS.GW.PasteClipboard(t, theta, SS.TW.shown.paste.scale);
}
SS.TW.GoToScreen(Screen::LIST_OF_GROUPS);
SS.ScheduleShowTW();
break;
}
}
}
void TextWindow::ShowPasteTransformed() {
Printf(true, "%FtPASTE TRANSFORMED%E");
Printf(true, "%Ba %Ftrepeat%E %d time%s %Fl%Lt%f[change]%E",
shown.paste.times, (shown.paste.times == 1) ? "" : "s",
&ScreenChangePasteTransformed);
Printf(false, "%Bd %Ftrotate%E %@ degrees %Fl%Lr%f[change]%E",
shown.paste.theta*180/PI,
&ScreenChangePasteTransformed);
Printf(false, "%Ba %Ftabout pt%E (%s, %s, %s) %Fl%Lo%f[use selected]%E",
SS.MmToString(shown.paste.origin.x).c_str(),
SS.MmToString(shown.paste.origin.y).c_str(),
SS.MmToString(shown.paste.origin.z).c_str(),
&ScreenPasteTransformed);
Printf(false, "%Bd %Fttranslate%E (%s, %s, %s) %Fl%Lt%f[use selected]%E",
SS.MmToString(shown.paste.trans.x).c_str(),
SS.MmToString(shown.paste.trans.y).c_str(),
SS.MmToString(shown.paste.trans.z).c_str(),
&ScreenPasteTransformed);
Printf(false, "%Ba %Ftscale%E %@ %Fl%Ls%f[change]%E",
fabs(shown.paste.scale),
&ScreenChangePasteTransformed);
Printf(false, "%Ba %Ftmirror%E %Fd%Lf%f%s flip%E",
&ScreenChangePasteTransformed,
shown.paste.scale < 0 ? CHECK_TRUE : CHECK_FALSE);
Printf(true, " %Fl%Lg%fpaste transformed now%E", &ScreenPasteTransformed);
Printf(true, "(or %Fl%Ll%fcancel operation%E)", &ScreenHome);
}
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