solvespace/src/clipboard.cpp at master · solvespace/solvespace · GitHub

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//-----------------------------------------------------------------------------

// The clipboard that gets manipulated when the user selects Edit -> Cut,

// Copy, Paste, etc.; may contain entities only, not constraints.

//-----------------------------------------------------------------------------

#include "solvespace.h"

namespace SolveSpace {

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;

ssassert(EntReqTable::GetEntityInfo((Entity::Type)0, e->extraPoints,

&req, &pts, NULL, &hasDistance), "No entity info");

}

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, {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_LINE_DISTANCE:

c.valA *= scale;

break;

case Constraint::Type::PT_PT_DISTANCE:

case Constraint::Type::PROJ_PT_DISTANCE:

case Constraint::Type::DIAMETER:

c.valA *= fabs(scale);

break;

case Constraint::Type::ARC_LINE_TANGENT: {

if(scale < 0) {

// When mirroring swap the end point of the arc. The reason is that arcs are

// defined as counter-clockwise from the start point to the end point. And we

// swapped its points in mapPoint above to avoid inverting it.

c.other = !c.other;

}

break;

}

case Constraint::Type::CUBIC_LINE_TANGENT: {

// Nothing to do for CUBIC unlike the ARC_OF_CIRCLE above and below.

break;

}

case Constraint::Type::CURVE_CURVE_TANGENT: {

if(scale < 0) {

// When mirroring swap the end points of arcs. The reason is that arcs are

// defined as counter-clockwise from the start point to the end point. And we

// swapped their points in mapPoint above to avoid inverting them.

// CUBIC splines do not need this.

if(EntityBase::Type::ARC_OF_CIRCLE == SK.GetEntity(c.entityA)->type) {

c.other = !c.other;

}

if(EntityBase::Type::ARC_OF_CIRCLE == SK.GetEntity(c.entityB)->type) {

c.other2 = !c.other2;

}

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 = {};

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);

}

} // namespace SolveSpace

solvespace/src/clipboard.cpp at master · solvespace/solvespace · GitHub

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