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Copy pathgraphicswin.cpp
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1111 lines (993 loc) · 45.8 KB
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//-----------------------------------------------------------------------------
// Top-level implementation of the program's main window, in which a graphical
// representation of the model is drawn and edited by the user.
//
// Copyright 2008-2013 Jonathan Westhues.
//-----------------------------------------------------------------------------
#include "solvespace.h"
#define mView (&GraphicsWindow::MenuView)
#define mEdit (&GraphicsWindow::MenuEdit)
#define mClip (&GraphicsWindow::MenuClipboard)
#define mReq (&GraphicsWindow::MenuRequest)
#define mCon (&Constraint::MenuConstrain)
#define mFile (&SolveSpaceUI::MenuFile)
#define mGrp (&Group::MenuGroup)
#define mAna (&SolveSpaceUI::MenuAnalyze)
#define mHelp (&SolveSpaceUI::MenuHelp)
#define DEL DELETE_KEY
#define ESC ESCAPE_KEY
#define S SHIFT_MASK
#define C CTRL_MASK
#define F(k) (FUNCTION_KEY_BASE+(k))
#define TN MenuKind::NORMAL
#define TC MenuKind::CHECK
#define TR MenuKind::RADIO
const GraphicsWindow::MenuEntry GraphicsWindow::menu[] = {
//level
// label id accel ty fn
{ 0, N_("&File"), Command::NONE, 0, TN, NULL },
{ 1, N_("&New"), Command::NEW, C|'N', TN, mFile },
{ 1, N_("&Open..."), Command::OPEN, C|'O', TN, mFile },
{ 1, N_("Open &Recent"), Command::OPEN_RECENT, 0, TN, mFile },
{ 1, N_("&Save"), Command::SAVE, C|'S', TN, mFile },
{ 1, N_("Save &As..."), Command::SAVE_AS, 0, TN, mFile },
{ 1, NULL, Command::NONE, 0, TN, NULL },
{ 1, N_("Export &Image..."), Command::EXPORT_PNG, 0, TN, mFile },
{ 1, N_("Export 2d &View..."), Command::EXPORT_VIEW, 0, TN, mFile },
{ 1, N_("Export 2d &Section..."), Command::EXPORT_SECTION, 0, TN, mFile },
{ 1, N_("Export 3d &Wireframe..."), Command::EXPORT_WIREFRAME, 0, TN, mFile },
{ 1, N_("Export Triangle &Mesh..."), Command::EXPORT_MESH, 0, TN, mFile },
{ 1, N_("Export &Surfaces..."), Command::EXPORT_SURFACES, 0, TN, mFile },
{ 1, N_("Im&port..."), Command::IMPORT, 0, TN, mFile },
#ifndef __APPLE__
{ 1, NULL, Command::NONE, 0, TN, NULL },
{ 1, N_("E&xit"), Command::EXIT, C|'Q', TN, mFile },
#endif
{ 0, N_("&Edit"), Command::NONE, 0, TN, NULL },
{ 1, N_("&Undo"), Command::UNDO, C|'Z', TN, mEdit },
{ 1, N_("&Redo"), Command::REDO, C|'Y', TN, mEdit },
{ 1, N_("Re&generate All"), Command::REGEN_ALL, ' ', TN, mEdit },
{ 1, NULL, Command::NONE, 0, TN, NULL },
{ 1, N_("Snap Selection to &Grid"), Command::SNAP_TO_GRID, '.', TN, mEdit },
{ 1, N_("Rotate Imported &90°"), Command::ROTATE_90, '9', TN, mEdit },
{ 1, NULL, Command::NONE, 0, TN, NULL },
{ 1, N_("Cu&t"), Command::CUT, C|'X', TN, mClip },
{ 1, N_("&Copy"), Command::COPY, C|'C', TN, mClip },
{ 1, N_("&Paste"), Command::PASTE, C|'V', TN, mClip },
{ 1, N_("Paste &Transformed..."), Command::PASTE_TRANSFORM, C|'T', TN, mClip },
{ 1, N_("&Delete"), Command::DELETE, DEL, TN, mClip },
{ 1, NULL, Command::NONE, 0, TN, NULL },
{ 1, N_("Select &Edge Chain"), Command::SELECT_CHAIN, C|'E', TN, mEdit },
{ 1, N_("Select &All"), Command::SELECT_ALL, C|'A', TN, mEdit },
{ 1, N_("&Unselect All"), Command::UNSELECT_ALL, ESC, TN, mEdit },
{ 0, N_("&View"), Command::NONE, 0, TN, NULL },
{ 1, N_("Zoom &In"), Command::ZOOM_IN, '+', TN, mView },
{ 1, N_("Zoom &Out"), Command::ZOOM_OUT, '-', TN, mView },
{ 1, N_("Zoom To &Fit"), Command::ZOOM_TO_FIT, 'F', TN, mView },
{ 1, NULL, Command::NONE, 0, TN, NULL },
{ 1, N_("Align View to &Workplane"), Command::ONTO_WORKPLANE, 'W', TN, mView },
{ 1, N_("Nearest &Ortho View"), Command::NEAREST_ORTHO, F(2), TN, mView },
{ 1, N_("Nearest &Isometric View"), Command::NEAREST_ISO, F(3), TN, mView },
{ 1, N_("&Center View At Point"), Command::CENTER_VIEW, F(4), TN, mView },
{ 1, NULL, Command::NONE, 0, TN, NULL },
{ 1, N_("Show Snap &Grid"), Command::SHOW_GRID, '>', TC, mView },
{ 1, N_("Use &Perspective Projection"), Command::PERSPECTIVE_PROJ, '`', TC, mView },
{ 1, NULL, Command::NONE, 0, TN, NULL },
{ 1, N_("Show &Toolbar"), Command::SHOW_TOOLBAR, 0, TC, mView },
{ 1, N_("Show Property Bro&wser"), Command::SHOW_TEXT_WND, '\t', TC, mView },
{ 1, NULL, Command::NONE, 0, TN, NULL },
{ 1, N_("Dimensions in &Inches"), Command::UNITS_INCHES, 0, TR, mView },
{ 1, N_("Dimensions in &Millimeters"), Command::UNITS_MM, 0, TR, mView },
{ 1, NULL, Command::NONE, 0, TN, NULL },
{ 1, N_("&Full Screen"), Command::FULL_SCREEN, C|F(11), TC, mView },
{ 0, N_("&New Group"), Command::NONE, 0, TN, NULL },
{ 1, N_("Sketch In &3d"), Command::GROUP_3D, S|'3', TN, mGrp },
{ 1, N_("Sketch In New &Workplane"), Command::GROUP_WRKPL, S|'W', TN, mGrp },
{ 1, NULL, Command::NONE, 0, TN, NULL },
{ 1, N_("Step &Translating"), Command::GROUP_TRANS, S|'T', TN, mGrp },
{ 1, N_("Step &Rotating"), Command::GROUP_ROT, S|'R', TN, mGrp },
{ 1, NULL, Command::NONE, 0, TN, NULL },
{ 1, N_("E&xtrude"), Command::GROUP_EXTRUDE, S|'X', TN, mGrp },
{ 1, N_("&Lathe"), Command::GROUP_LATHE, S|'L', TN, mGrp },
{ 1, NULL, Command::NONE, 0, TN, NULL },
{ 1, N_("Link / Assemble..."), Command::GROUP_LINK, S|'I', TN, mGrp },
{ 1, N_("Link Recent"), Command::GROUP_RECENT, 0, TN, mGrp },
{ 0, N_("&Sketch"), Command::NONE, 0, TN, NULL },
{ 1, N_("In &Workplane"), Command::SEL_WORKPLANE, '2', TR, mReq },
{ 1, N_("Anywhere In &3d"), Command::FREE_IN_3D, '3', TR, mReq },
{ 1, NULL, Command::NONE, 0, TN, NULL },
{ 1, N_("Datum &Point"), Command::DATUM_POINT, 'P', TN, mReq },
{ 1, N_("&Workplane"), Command::WORKPLANE, 0, TN, mReq },
{ 1, NULL, Command::NONE, 0, TN, NULL },
{ 1, N_("Line &Segment"), Command::LINE_SEGMENT, 'S', TN, mReq },
{ 1, N_("C&onstruction Line Segment"), Command::CONSTR_SEGMENT, S|'S', TN, mReq },
{ 1, N_("&Rectangle"), Command::RECTANGLE, 'R', TN, mReq },
{ 1, N_("&Circle"), Command::CIRCLE, 'C', TN, mReq },
{ 1, N_("&Arc of a Circle"), Command::ARC, 'A', TN, mReq },
{ 1, N_("&Bezier Cubic Spline"), Command::CUBIC, 'B', TN, mReq },
{ 1, NULL, Command::NONE, 0, TN, NULL },
{ 1, N_("&Text in TrueType Font"), Command::TTF_TEXT, 'T', TN, mReq },
{ 1, N_("&Image"), Command::IMAGE, 0, TN, mReq },
{ 1, NULL, Command::NONE, 0, TN, NULL },
{ 1, N_("To&ggle Construction"), Command::CONSTRUCTION, 'G', TN, mReq },
{ 1, N_("Tangent &Arc at Point"), Command::TANGENT_ARC, S|'A', TN, mReq },
{ 1, N_("Split Curves at &Intersection"), Command::SPLIT_CURVES, 'I', TN, mReq },
{ 0, N_("&Constrain"), Command::NONE, 0, TN, NULL },
{ 1, N_("&Distance / Diameter"), Command::DISTANCE_DIA, 'D', TN, mCon },
{ 1, N_("Re&ference Dimension"), Command::REF_DISTANCE, S|'D', TN, mCon },
{ 1, N_("A&ngle"), Command::ANGLE, 'N', TN, mCon },
{ 1, N_("Reference An&gle"), Command::REF_ANGLE, S|'N', TN, mCon },
{ 1, N_("Other S&upplementary Angle"), Command::OTHER_ANGLE, 'U', TN, mCon },
{ 1, N_("Toggle R&eference Dim"), Command::REFERENCE, 'E', TN, mCon },
{ 1, NULL, Command::NONE, 0, TN, NULL },
{ 1, N_("&Horizontal"), Command::HORIZONTAL, 'H', TN, mCon },
{ 1, N_("&Vertical"), Command::VERTICAL, 'V', TN, mCon },
{ 1, NULL, Command::NONE, 0, TN, NULL },
{ 1, N_("&On Point / Curve / Plane"), Command::ON_ENTITY, 'O', TN, mCon },
{ 1, N_("E&qual Length / Radius / Angle"), Command::EQUAL, 'Q', TN, mCon },
{ 1, N_("Length Ra&tio"), Command::RATIO, 'Z', TN, mCon },
{ 1, N_("Length Diff&erence"), Command::DIFFERENCE, 'J', TN, mCon },
{ 1, N_("At &Midpoint"), Command::AT_MIDPOINT, 'M', TN, mCon },
{ 1, N_("S&ymmetric"), Command::SYMMETRIC, 'Y', TN, mCon },
{ 1, N_("Para&llel / Tangent"), Command::PARALLEL, 'L', TN, mCon },
{ 1, N_("&Perpendicular"), Command::PERPENDICULAR, '[', TN, mCon },
{ 1, N_("Same Orient&ation"), Command::ORIENTED_SAME, 'X', TN, mCon },
{ 1, N_("Lock Point Where &Dragged"), Command::WHERE_DRAGGED, ']', TN, mCon },
{ 1, NULL, Command::NONE, 0, TN, NULL },
{ 1, N_("Comment"), Command::COMMENT, ';', TN, mCon },
{ 0, N_("&Analyze"), Command::NONE, 0, TN, NULL },
{ 1, N_("Measure &Volume"), Command::VOLUME, C|S|'V', TN, mAna },
{ 1, N_("Measure A&rea"), Command::AREA, C|S|'A', TN, mAna },
{ 1, N_("Measure &Perimeter"), Command::PERIMETER, C|S|'P', TN, mAna },
{ 1, N_("Show &Interfering Parts"), Command::INTERFERENCE, C|S|'I', TN, mAna },
{ 1, N_("Show &Naked Edges"), Command::NAKED_EDGES, C|S|'N', TN, mAna },
{ 1, N_("Show &Center of Mass"), Command::CENTER_OF_MASS, C|S|'C', TN, mAna },
{ 1, NULL, Command::NONE, 0, TN, NULL },
{ 1, N_("Show Degrees of &Freedom"), Command::SHOW_DOF, C|S|'F', TN, mAna },
{ 1, NULL, Command::NONE, 0, TN, NULL },
{ 1, N_("&Trace Point"), Command::TRACE_PT, C|S|'T', TN, mAna },
{ 1, N_("&Stop Tracing..."), Command::STOP_TRACING, C|S|'S', TN, mAna },
{ 1, N_("Step &Dimension..."), Command::STEP_DIM, C|S|'D', TN, mAna },
{ 0, N_("&Help"), Command::NONE, 0, TN, NULL },
{ 1, N_("&Website / Manual"), Command::WEBSITE, 0, TN, mHelp },
{ 1, N_("&Language"), Command::LOCALE, 0, TN, mHelp },
#ifndef __APPLE__
{ 1, N_("&About"), Command::ABOUT, 0, TN, mHelp },
#endif
{ -1, 0, Command::NONE, 0, TN, 0 }
};
#undef DEL
#undef ESC
#undef S
#undef C
#undef F
#undef TN
#undef TC
#undef TR
std::string SolveSpace::MakeAcceleratorLabel(int accel) {
if(!accel) return "";
std::string label;
if(accel & GraphicsWindow::CTRL_MASK) {
label += "Ctrl+";
}
if(accel & GraphicsWindow::SHIFT_MASK) {
label += "Shift+";
}
accel &= ~(GraphicsWindow::CTRL_MASK | GraphicsWindow::SHIFT_MASK);
if(accel >= GraphicsWindow::FUNCTION_KEY_BASE + 1 &&
accel <= GraphicsWindow::FUNCTION_KEY_BASE + 12) {
label += ssprintf("F%d", accel - GraphicsWindow::FUNCTION_KEY_BASE);
} else if(accel == '\t') {
label += "Tab";
} else if(accel == ' ') {
label += "Space";
} else if(accel == GraphicsWindow::ESCAPE_KEY) {
label += "Esc";
} else if(accel == GraphicsWindow::DELETE_KEY) {
label += "Del";
} else {
label += (char)(accel & 0xff);
}
return label;
}
void GraphicsWindow::Init() {
canvas = CreateRenderer();
if(canvas) {
persistentCanvas = canvas->CreateBatch();
persistentDirty = true;
}
scale = 5;
offset = Vector::From(0, 0, 0);
projRight = Vector::From(1, 0, 0);
projUp = Vector::From(0, 1, 0);
// Make sure those are valid; could get a mouse move without a mouse
// down if someone depresses the button, then drags into our window.
orig.projRight = projRight;
orig.projUp = projUp;
// And with the last group active
activeGroup = SK.groupOrder.elem[SK.groupOrder.n - 1];
SK.GetGroup(activeGroup)->Activate();
showWorkplanes = false;
showNormals = true;
showPoints = true;
showConstraints = true;
showShaded = true;
showEdges = true;
showMesh = false;
showOutlines = false;
drawOccludedAs = DrawOccludedAs::INVISIBLE;
showTextWindow = true;
ShowTextWindow(showTextWindow);
showSnapGrid = false;
context.active = false;
// Do this last, so that all the menus get updated correctly.
ClearSuper();
}
void GraphicsWindow::AnimateOntoWorkplane() {
if(!LockedInWorkplane()) return;
Entity *w = SK.GetEntity(ActiveWorkplane());
Quaternion quatf = w->Normal()->NormalGetNum();
Vector offsetf = (SK.GetEntity(w->point[0])->PointGetNum()).ScaledBy(-1);
AnimateOnto(quatf, offsetf);
}
void GraphicsWindow::AnimateOnto(Quaternion quatf, Vector offsetf) {
// Get our initial orientation and translation.
Quaternion quat0 = Quaternion::From(projRight, projUp);
Vector offset0 = offset;
// Make sure we take the shorter of the two possible paths.
double mp = (quatf.Minus(quat0)).Magnitude();
double mm = (quatf.Plus(quat0)).Magnitude();
if(mp > mm) {
quatf = quatf.ScaledBy(-1);
mp = mm;
}
double mo = (offset0.Minus(offsetf)).Magnitude()*scale;
// Animate transition, unless it's a tiny move.
int32_t dt = (mp < 0.01 && mo < 10) ? (-20) :
(int32_t)(100 + 1000*mp + 0.4*mo);
// Don't ever animate for longer than 2000 ms; we can get absurdly
// long translations (as measured in pixels) if the user zooms out, moves,
// and then zooms in again.
if(dt > 2000) dt = 2000;
int64_t tn, t0 = GetMilliseconds();
double s = 0;
Quaternion dq = quatf.Times(quat0.Inverse());
do {
offset = (offset0.ScaledBy(1 - s)).Plus(offsetf.ScaledBy(s));
Quaternion quat = (dq.ToThe(s)).Times(quat0);
quat = quat.WithMagnitude(1);
projRight = quat.RotationU();
projUp = quat.RotationV();
PaintGraphics();
tn = GetMilliseconds();
s = (tn - t0)/((double)dt);
} while((tn - t0) < dt);
projRight = quatf.RotationU();
projUp = quatf.RotationV();
offset = offsetf;
InvalidateGraphics();
// If the view screen is open, then we need to refresh it.
SS.ScheduleShowTW();
}
void GraphicsWindow::HandlePointForZoomToFit(Vector p, Point2d *pmax, Point2d *pmin,
double *wmin, bool usePerspective)
{
double w;
Vector pp = ProjectPoint4(p, &w);
// If usePerspective is true, then we calculate a perspective projection of the point.
// If not, then we do a parallel projection regardless of the current
// scale factor.
if(usePerspective) {
pp = pp.ScaledBy(1.0/w);
}
pmax->x = max(pmax->x, pp.x);
pmax->y = max(pmax->y, pp.y);
pmin->x = min(pmin->x, pp.x);
pmin->y = min(pmin->y, pp.y);
*wmin = min(*wmin, w);
}
void GraphicsWindow::LoopOverPoints(const std::vector<Entity *> &entities,
const std::vector<Constraint *> &constraints,
const std::vector<hEntity> &faces,
Point2d *pmax, Point2d *pmin, double *wmin,
bool usePerspective, bool includeMesh) {
for(Entity *e : entities) {
if(e->IsPoint()) {
HandlePointForZoomToFit(e->PointGetNum(), pmax, pmin, wmin, usePerspective);
} else if(e->type == Entity::Type::CIRCLE) {
// Lots of entities can extend outside the bbox of their points,
// but circles are particularly bad. We want to get things halfway
// reasonable without the mesh, because a zoom to fit is used to
// set the zoom level to set the chord tol.
double r = e->CircleGetRadiusNum();
Vector c = SK.GetEntity(e->point[0])->PointGetNum();
Quaternion q = SK.GetEntity(e->normal)->NormalGetNum();
for(int j = 0; j < 4; j++) {
Vector p = (j == 0) ? (c.Plus(q.RotationU().ScaledBy( r))) :
(j == 1) ? (c.Plus(q.RotationU().ScaledBy(-r))) :
(j == 2) ? (c.Plus(q.RotationV().ScaledBy( r))) :
(c.Plus(q.RotationV().ScaledBy(-r)));
HandlePointForZoomToFit(p, pmax, pmin, wmin, usePerspective);
}
} else {
// We have to iterate children points, because we can select entites without points
for(int i = 0; i < MAX_POINTS_IN_ENTITY; i++) {
if(e->point[i].v == 0) break;
Vector p = SK.GetEntity(e->point[i])->PointGetNum();
HandlePointForZoomToFit(p, pmax, pmin, wmin, usePerspective);
}
}
}
for(Constraint *c : constraints) {
std::vector<Vector> refs;
c->GetReferencePoints(GetCamera(), &refs);
for(Vector p : refs) {
HandlePointForZoomToFit(p, pmax, pmin, wmin, usePerspective);
}
}
if(!includeMesh && faces.empty()) return;
Group *g = SK.GetGroup(activeGroup);
g->GenerateDisplayItems();
for(int i = 0; i < g->displayMesh.l.n; i++) {
STriangle *tr = &(g->displayMesh.l.elem[i]);
if(!includeMesh) {
bool found = false;
for(const hEntity &face : faces) {
if(face.v != tr->meta.face) continue;
found = true;
break;
}
if(!found) continue;
}
HandlePointForZoomToFit(tr->a, pmax, pmin, wmin, usePerspective);
HandlePointForZoomToFit(tr->b, pmax, pmin, wmin, usePerspective);
HandlePointForZoomToFit(tr->c, pmax, pmin, wmin, usePerspective);
}
if(!includeMesh) return;
for(int i = 0; i < g->polyLoops.l.n; i++) {
SContour *sc = &(g->polyLoops.l.elem[i]);
for(int j = 0; j < sc->l.n; j++) {
HandlePointForZoomToFit(sc->l.elem[j].p, pmax, pmin, wmin, usePerspective);
}
}
}
void GraphicsWindow::ZoomToFit(bool includingInvisibles, bool useSelection) {
std::vector<Entity *> entities;
std::vector<Constraint *> constraints;
std::vector<hEntity> faces;
if(useSelection) {
for(int i = 0; i < selection.n; i++) {
Selection *s = &selection.elem[i];
if(s->entity.v != 0) {
Entity *e = SK.entity.FindById(s->entity);
if(e->IsFace()) {
faces.push_back(e->h);
continue;
}
entities.push_back(e);
}
if(s->constraint.v != 0) {
Constraint *c = SK.constraint.FindById(s->constraint);
constraints.push_back(c);
}
}
}
bool selectionUsed = !entities.empty() || !constraints.empty() || !faces.empty();
if(!selectionUsed) {
for(Entity &e : SK.entity) {
// we don't want to handle separate points, because we will iterate them inside entities.
if(e.IsPoint()) continue;
if(!includingInvisibles && !e.IsVisible()) continue;
entities.push_back(&e);
}
for(Constraint &c : SK.constraint) {
if(!c.IsVisible()) continue;
constraints.push_back(&c);
}
}
// On the first run, ignore perspective.
Point2d pmax = { -1e12, -1e12 }, pmin = { 1e12, 1e12 };
double wmin = 1;
LoopOverPoints(entities, constraints, faces, &pmax, &pmin, &wmin,
/*usePerspective=*/false, /*includeMesh=*/!selectionUsed);
double xm = (pmax.x + pmin.x)/2, ym = (pmax.y + pmin.y)/2;
double dx = pmax.x - pmin.x, dy = pmax.y - pmin.y;
offset = offset.Plus(projRight.ScaledBy(-xm)).Plus(
projUp. ScaledBy(-ym));
// And based on this, we calculate the scale and offset
if(EXACT(dx == 0 && dy == 0)) {
scale = 5;
} else {
double scalex = 1e12, scaley = 1e12;
if(EXACT(dx != 0)) scalex = 0.9*width /dx;
if(EXACT(dy != 0)) scaley = 0.9*height/dy;
scale = min(scalex, scaley);
scale = min(300.0, scale);
scale = max(0.003, scale);
}
// Then do another run, considering the perspective.
pmax.x = -1e12; pmax.y = -1e12;
pmin.x = 1e12; pmin.y = 1e12;
wmin = 1;
LoopOverPoints(entities, constraints, faces, &pmax, &pmin, &wmin,
/*usePerspective=*/true, /*includeMesh=*/!selectionUsed);
// Adjust the scale so that no points are behind the camera
if(wmin < 0.1) {
double k = SS.CameraTangent();
// w = 1+k*scale*z
double zmin = (wmin - 1)/(k*scale);
// 0.1 = 1 + k*scale*zmin
// (0.1 - 1)/(k*zmin) = scale
scale = min(scale, (0.1 - 1)/(k*zmin));
}
}
void GraphicsWindow::MenuView(Command id) {
switch(id) {
case Command::ZOOM_IN:
SS.GW.scale *= 1.2;
SS.ScheduleShowTW();
break;
case Command::ZOOM_OUT:
SS.GW.scale /= 1.2;
SS.ScheduleShowTW();
break;
case Command::ZOOM_TO_FIT:
SS.GW.ZoomToFit(/*includingInvisibles=*/false, /*useSelection=*/true);
SS.ScheduleShowTW();
break;
case Command::SHOW_GRID:
SS.GW.showSnapGrid = !SS.GW.showSnapGrid;
if(SS.GW.showSnapGrid && !SS.GW.LockedInWorkplane()) {
Message(_("No workplane is active, so the grid will not appear."));
}
SS.GW.EnsureValidActives();
InvalidateGraphics();
break;
case Command::PERSPECTIVE_PROJ:
SS.usePerspectiveProj = !SS.usePerspectiveProj;
if(SS.cameraTangent < 1e-6) {
Error(_("The perspective factor is set to zero, so the view will "
"always be a parallel projection.\n\n"
"For a perspective projection, modify the perspective "
"factor in the configuration screen. A value around 0.3 "
"is typical."));
}
SS.GW.EnsureValidActives();
InvalidateGraphics();
break;
case Command::ONTO_WORKPLANE:
if(SS.GW.LockedInWorkplane()) {
SS.GW.AnimateOntoWorkplane();
SS.ScheduleShowTW();
break;
} // if not in 2d mode fall through and use ORTHO logic
case Command::NEAREST_ORTHO:
case Command::NEAREST_ISO: {
static const Vector ortho[3] = {
Vector::From(1, 0, 0),
Vector::From(0, 1, 0),
Vector::From(0, 0, 1)
};
double sqrt2 = sqrt(2.0), sqrt6 = sqrt(6.0);
Quaternion quat0 = Quaternion::From(SS.GW.projRight, SS.GW.projUp);
Quaternion quatf = quat0;
double dmin = 1e10;
// There are 24 possible views; 3*2*2*2
int i, j, negi, negj;
for(i = 0; i < 3; i++) {
for(j = 0; j < 3; j++) {
if(i == j) continue;
for(negi = 0; negi < 2; negi++) {
for(negj = 0; negj < 2; negj++) {
Vector ou = ortho[i], ov = ortho[j];
if(negi) ou = ou.ScaledBy(-1);
if(negj) ov = ov.ScaledBy(-1);
Vector on = ou.Cross(ov);
Vector u, v;
if(id == Command::NEAREST_ORTHO || id == Command::ONTO_WORKPLANE) {
u = ou;
v = ov;
} else {
u =
ou.ScaledBy(1/sqrt2).Plus(
on.ScaledBy(-1/sqrt2));
v =
ou.ScaledBy(-1/sqrt6).Plus(
ov.ScaledBy(2/sqrt6).Plus(
on.ScaledBy(-1/sqrt6)));
}
Quaternion quatt = Quaternion::From(u, v);
double d = min(
(quatt.Minus(quat0)).Magnitude(),
(quatt.Plus(quat0)).Magnitude());
if(d < dmin) {
dmin = d;
quatf = quatt;
}
}
}
}
}
SS.GW.AnimateOnto(quatf, SS.GW.offset);
break;
}
case Command::CENTER_VIEW:
SS.GW.GroupSelection();
if(SS.GW.gs.n == 1 && SS.GW.gs.points == 1) {
Quaternion quat0;
// Offset is the selected point, quaternion is same as before
Vector pt = SK.GetEntity(SS.GW.gs.point[0])->PointGetNum();
quat0 = Quaternion::From(SS.GW.projRight, SS.GW.projUp);
SS.GW.AnimateOnto(quat0, pt.ScaledBy(-1));
SS.GW.ClearSelection();
} else {
Error(_("Select a point; this point will become the center "
"of the view on screen."));
}
break;
case Command::SHOW_TOOLBAR:
SS.showToolbar = !SS.showToolbar;
SS.GW.EnsureValidActives();
InvalidateGraphics();
break;
case Command::SHOW_TEXT_WND:
SS.GW.showTextWindow = !SS.GW.showTextWindow;
SS.GW.EnsureValidActives();
break;
case Command::UNITS_INCHES:
SS.viewUnits = Unit::INCHES;
SS.ScheduleShowTW();
SS.GW.EnsureValidActives();
break;
case Command::UNITS_MM:
SS.viewUnits = Unit::MM;
SS.ScheduleShowTW();
SS.GW.EnsureValidActives();
break;
case Command::FULL_SCREEN:
ToggleFullScreen();
SS.GW.EnsureValidActives();
break;
default: ssassert(false, "Unexpected menu ID");
}
InvalidateGraphics();
}
void GraphicsWindow::EnsureValidActives() {
bool change = false;
// The active group must exist, and not be the references.
Group *g = SK.group.FindByIdNoOops(activeGroup);
if((!g) || (g->h.v == Group::HGROUP_REFERENCES.v)) {
int i;
for(i = 0; i < SK.groupOrder.n; i++) {
if(SK.groupOrder.elem[i].v != Group::HGROUP_REFERENCES.v) {
break;
}
}
if(i >= SK.groupOrder.n) {
// This can happen if the user deletes all the groups in the
// sketch. It's difficult to prevent that, because the last
// group might have been deleted automatically, because it failed
// a dependency. There needs to be something, so create a plane
// drawing group and activate that. They should never be able
// to delete the references, though.
activeGroup = SS.CreateDefaultDrawingGroup();
// We've created the default group, but not the workplane entity;
// do it now so that drawing mode isn't switched to "Free in 3d".
SS.GenerateAll(SolveSpaceUI::Generate::ALL);
} else {
activeGroup = SK.groupOrder.elem[i];
}
SK.GetGroup(activeGroup)->Activate();
change = true;
}
// The active coordinate system must also exist.
if(LockedInWorkplane()) {
Entity *e = SK.entity.FindByIdNoOops(ActiveWorkplane());
if(e) {
hGroup hgw = e->group;
if(hgw.v != activeGroup.v && SS.GroupsInOrder(activeGroup, hgw)) {
// The active workplane is in a group that comes after the
// active group; so any request or constraint will fail.
SetWorkplaneFreeIn3d();
change = true;
}
} else {
SetWorkplaneFreeIn3d();
change = true;
}
}
// And update the checked state for various menus
bool locked = LockedInWorkplane();
RadioMenuByCmd(Command::FREE_IN_3D, !locked);
RadioMenuByCmd(Command::SEL_WORKPLANE, locked);
SS.UndoEnableMenus();
switch(SS.viewUnits) {
case Unit::MM:
case Unit::INCHES:
break;
default:
SS.viewUnits = Unit::MM;
break;
}
RadioMenuByCmd(Command::UNITS_MM, SS.viewUnits == Unit::MM);
RadioMenuByCmd(Command::UNITS_INCHES, SS.viewUnits == Unit::INCHES);
ShowTextWindow(SS.GW.showTextWindow);
CheckMenuByCmd(Command::SHOW_TEXT_WND, /*checked=*/SS.GW.showTextWindow);
CheckMenuByCmd(Command::SHOW_TOOLBAR, /*checked=*/SS.showToolbar);
CheckMenuByCmd(Command::PERSPECTIVE_PROJ, /*checked=*/SS.usePerspectiveProj);
CheckMenuByCmd(Command::SHOW_GRID,/*checked=*/SS.GW.showSnapGrid);
CheckMenuByCmd(Command::FULL_SCREEN, /*checked=*/FullScreenIsActive());
if(change) SS.ScheduleShowTW();
}
void GraphicsWindow::SetWorkplaneFreeIn3d() {
SK.GetGroup(activeGroup)->activeWorkplane = Entity::FREE_IN_3D;
}
hEntity GraphicsWindow::ActiveWorkplane() {
Group *g = SK.group.FindByIdNoOops(activeGroup);
if(g) {
return g->activeWorkplane;
} else {
return Entity::FREE_IN_3D;
}
}
bool GraphicsWindow::LockedInWorkplane() {
return (SS.GW.ActiveWorkplane().v != Entity::FREE_IN_3D.v);
}
void GraphicsWindow::ForceTextWindowShown() {
if(!showTextWindow) {
showTextWindow = true;
CheckMenuByCmd(Command::SHOW_TEXT_WND, /*checked=*/true);
ShowTextWindow(true);
}
}
void GraphicsWindow::DeleteTaggedRequests() {
// Rewrite any point-coincident constraints that were affected by this
// deletion.
Request *r;
for(r = SK.request.First(); r; r = SK.request.NextAfter(r)) {
if(!r->tag) continue;
FixConstraintsForRequestBeingDeleted(r->h);
}
// and then delete the tagged requests.
SK.request.RemoveTagged();
// An edit might be in progress for the just-deleted item. So
// now it's not.
HideGraphicsEditControl();
SS.TW.HideEditControl();
// And clear out the selection, which could contain that item.
ClearSuper();
// And regenerate to get rid of what it generates, plus anything
// that references it (since the regen code checks for that).
SS.GenerateAll(SolveSpaceUI::Generate::ALL);
EnsureValidActives();
SS.ScheduleShowTW();
}
Vector GraphicsWindow::SnapToGrid(Vector p) {
if(!LockedInWorkplane()) return p;
EntityBase *wrkpl = SK.GetEntity(ActiveWorkplane()),
*norm = wrkpl->Normal();
Vector wo = SK.GetEntity(wrkpl->point[0])->PointGetNum(),
wu = norm->NormalU(),
wv = norm->NormalV(),
wn = norm->NormalN();
Vector pp = (p.Minus(wo)).DotInToCsys(wu, wv, wn);
pp.x = floor((pp.x / SS.gridSpacing) + 0.5)*SS.gridSpacing;
pp.y = floor((pp.y / SS.gridSpacing) + 0.5)*SS.gridSpacing;
pp.z = 0;
return pp.ScaleOutOfCsys(wu, wv, wn).Plus(wo);
}
void GraphicsWindow::MenuEdit(Command id) {
switch(id) {
case Command::UNSELECT_ALL:
SS.GW.GroupSelection();
// If there's nothing selected to de-select, and no operation
// to cancel, then perhaps they want to return to the home
// screen in the text window.
if(SS.GW.gs.n == 0 &&
SS.GW.gs.constraints == 0 &&
SS.GW.pending.operation == Pending::NONE)
{
if(!(TextEditControlIsVisible() ||
GraphicsEditControlIsVisible()))
{
if(SS.TW.shown.screen == TextWindow::Screen::STYLE_INFO) {
SS.TW.GoToScreen(TextWindow::Screen::LIST_OF_STYLES);
} else {
SS.TW.ClearSuper();
}
}
}
SS.GW.ClearSuper();
SS.TW.HideEditControl();
SS.nakedEdges.Clear();
SS.justExportedInfo.draw = false;
SS.centerOfMass.draw = false;
// This clears the marks drawn to indicate which points are
// still free to drag.
Param *p;
for(p = SK.param.First(); p; p = SK.param.NextAfter(p)) {
p->free = false;
}
if(SS.exportMode) {
SS.exportMode = false;
SS.GenerateAll(SolveSpaceUI::Generate::ALL);
}
SS.GW.persistentDirty = true;
break;
case Command::SELECT_ALL: {
Entity *e;
for(e = SK.entity.First(); e; e = SK.entity.NextAfter(e)) {
if(e->group.v != SS.GW.activeGroup.v) continue;
if(e->IsFace() || e->IsDistance()) continue;
if(!e->IsVisible()) continue;
SS.GW.MakeSelected(e->h);
}
InvalidateGraphics();
SS.ScheduleShowTW();
break;
}
case Command::SELECT_CHAIN: {
Entity *e;
int newlySelected = 0;
bool didSomething;
do {
didSomething = false;
for(e = SK.entity.First(); e; e = SK.entity.NextAfter(e)) {
if(e->group.v != SS.GW.activeGroup.v) continue;
if(!e->HasEndpoints()) continue;
if(!e->IsVisible()) continue;
Vector st = e->EndpointStart(),
fi = e->EndpointFinish();
bool onChain = false, alreadySelected = false;
List<Selection> *ls = &(SS.GW.selection);
for(Selection *s = ls->First(); s; s = ls->NextAfter(s)) {
if(!s->entity.v) continue;
if(s->entity.v == e->h.v) {
alreadySelected = true;
continue;
}
Entity *se = SK.GetEntity(s->entity);
if(!se->HasEndpoints()) continue;
Vector sst = se->EndpointStart(),
sfi = se->EndpointFinish();
if(sst.Equals(st) || sst.Equals(fi) ||
sfi.Equals(st) || sfi.Equals(fi))
{
onChain = true;
}
}
if(onChain && !alreadySelected) {
SS.GW.MakeSelected(e->h);
newlySelected++;
didSomething = true;
}
}
} while(didSomething);
if(newlySelected == 0) {
Error(_("No additional entities share endpoints with the selected entities."));
}
InvalidateGraphics();
SS.ScheduleShowTW();
break;
}
case Command::ROTATE_90: {
SS.GW.GroupSelection();
Entity *e = NULL;
if(SS.GW.gs.n == 1 && SS.GW.gs.points == 1) {
e = SK.GetEntity(SS.GW.gs.point[0]);
} else if(SS.GW.gs.n == 1 && SS.GW.gs.entities == 1) {
e = SK.GetEntity(SS.GW.gs.entity[0]);
}
SS.GW.ClearSelection();
hGroup hg = e ? e->group : SS.GW.activeGroup;
Group *g = SK.GetGroup(hg);
if(g->type != Group::Type::LINKED) {
Error(_("To use this command, select a point or other "
"entity from an linked part, or make a link "
"group the active group."));
break;
}
SS.UndoRemember();
// Rotate by ninety degrees about the coordinate axis closest
// to the screen normal.
Vector norm = SS.GW.projRight.Cross(SS.GW.projUp);
norm = norm.ClosestOrtho();
norm = norm.WithMagnitude(1);
Quaternion qaa = Quaternion::From(norm, PI/2);
g->TransformImportedBy(Vector::From(0, 0, 0), qaa);
// and regenerate as necessary.
SS.MarkGroupDirty(hg);
break;
}
case Command::SNAP_TO_GRID: {
if(!SS.GW.LockedInWorkplane()) {
Error(_("No workplane is active. Activate a workplane "
"(with Sketch -> In Workplane) to define the plane "
"for the snap grid."));
break;
}
SS.GW.GroupSelection();
if(SS.GW.gs.points == 0 && SS.GW.gs.constraintLabels == 0) {
Error(_("Can't snap these items to grid; select points, "
"text comments, or constraints with a label. "
"To snap a line, select its endpoints."));
break;
}
SS.UndoRemember();
List<Selection> *ls = &(SS.GW.selection);
for(Selection *s = ls->First(); s; s = ls->NextAfter(s)) {
if(s->entity.v) {
hEntity hp = s->entity;
Entity *ep = SK.GetEntity(hp);
if(!ep->IsPoint()) continue;
Vector p = ep->PointGetNum();
ep->PointForceTo(SS.GW.SnapToGrid(p));
SS.GW.pending.points.Add(&hp);
SS.MarkGroupDirty(ep->group);
} else if(s->constraint.v) {
Constraint *c = SK.GetConstraint(s->constraint);
std::vector<Vector> refs;
c->GetReferencePoints(SS.GW.GetCamera(), &refs);
c->disp.offset = c->disp.offset.Plus(SS.GW.SnapToGrid(refs[0]).Minus(refs[0]));
}
}
// Regenerate, with these points marked as dragged so that they
// get placed as close as possible to our snap grid.
SS.GW.ClearPending();
SS.GW.ClearSelection();
InvalidateGraphics();
break;
}
case Command::UNDO:
SS.UndoUndo();
break;
case Command::REDO:
SS.UndoRedo();
break;
case Command::REGEN_ALL:
SS.images.clear();
SS.ReloadAllLinked(SS.saveFile);
SS.GenerateAll(SolveSpaceUI::Generate::UNTIL_ACTIVE);
SS.ScheduleShowTW();
break;
default: ssassert(false, "Unexpected menu ID");
}
}
void GraphicsWindow::MenuRequest(Command id) {
const char *s;
switch(id) {
case Command::SEL_WORKPLANE: {
SS.GW.GroupSelection();
Group *g = SK.GetGroup(SS.GW.activeGroup);
if(SS.GW.gs.n == 1 && SS.GW.gs.workplanes == 1) {
// A user-selected workplane
g->activeWorkplane = SS.GW.gs.entity[0];
} else if(g->type == Group::Type::DRAWING_WORKPLANE) {
// The group's default workplane
g->activeWorkplane = g->h.entity(0);
Message(_("No workplane selected. Activating default workplane "
"for this group."));
}
if(!SS.GW.LockedInWorkplane()) {
Error(_("No workplane is selected, and the active group does "
"not have a default workplane. Try selecting a "
"workplane, or activating a sketch-in-new-workplane "
"group."));
break;
}
// Align the view with the selected workplane
SS.GW.AnimateOntoWorkplane();
SS.GW.ClearSuper();
SS.ScheduleShowTW();
break;
}
case Command::FREE_IN_3D:
SS.GW.SetWorkplaneFreeIn3d();
SS.GW.EnsureValidActives();
SS.ScheduleShowTW();
InvalidateGraphics();
break;
case Command::TANGENT_ARC:
SS.GW.GroupSelection();
if(SS.GW.gs.n == 1 && SS.GW.gs.points == 1) {
SS.GW.MakeTangentArc();
} else if(SS.GW.gs.n != 0) {
Error(_("Bad selection for tangent arc at point. Select a "
"single point, or select nothing to set up arc "
You can’t perform that action at this time.