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graphicswin.cpp
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1481 lines (1319 loc) · 60.6 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"
namespace SolveSpace {
typedef void MenuHandler(Command id);
using MenuKind = Platform::MenuItem::Indicator;
struct MenuEntry {
int level; // 0 == on menu bar, 1 == one level down
const char *label; // or NULL for a separator
Command cmd; // command ID
int accel; // keyboard accelerator
MenuKind kind;
MenuHandler *fn;
};
#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 SHIFT_MASK 0x100
#define CTRL_MASK 0x200
#define FN_MASK 0x400
#define S SHIFT_MASK
#define C CTRL_MASK
#define F FN_MASK
#define KN MenuKind::NONE
#define KC MenuKind::CHECK_MARK
#define KR MenuKind::RADIO_MARK
const MenuEntry Menu[] = {
//lv label cmd accel kind
{ 0, N_("&File"), Command::NONE, 0, KN, NULL },
{ 1, N_("&New"), Command::NEW, C|'n', KN, mFile },
{ 1, N_("&Open..."), Command::OPEN, C|'o', KN, mFile },
{ 1, N_("Open &Recent"), Command::OPEN_RECENT, 0, KN, mFile },
{ 1, N_("&Save"), Command::SAVE, C|'s', KN, mFile },
{ 1, N_("Save &As..."), Command::SAVE_AS, C|S|'s', KN, mFile },
{ 1, NULL, Command::NONE, 0, KN, NULL },
{ 1, N_("Export &Image..."), Command::EXPORT_IMAGE, 0, KN, mFile },
{ 1, N_("Export 2d &View..."), Command::EXPORT_VIEW, 0, KN, mFile },
{ 1, N_("Export 2d &Section..."), Command::EXPORT_SECTION, 0, KN, mFile },
{ 1, N_("Export 3d &Wireframe..."), Command::EXPORT_WIREFRAME, 0, KN, mFile },
{ 1, N_("Export Triangle &Mesh..."), Command::EXPORT_MESH, 0, KN, mFile },
{ 1, N_("Export &Surfaces..."), Command::EXPORT_SURFACES, 0, KN, mFile },
{ 1, N_("Im&port..."), Command::IMPORT, 0, KN, mFile },
#ifndef __APPLE__
{ 1, NULL, Command::NONE, 0, KN, NULL },
{ 1, N_("E&xit"), Command::EXIT, C|'q', KN, mFile },
#endif
{ 0, N_("&Edit"), Command::NONE, 0, KN, NULL },
{ 1, N_("&Undo"), Command::UNDO, C|'z', KN, mEdit },
{ 1, N_("&Redo"), Command::REDO, C|'y', KN, mEdit },
{ 1, N_("Re&generate All"), Command::REGEN_ALL, ' ', KN, mEdit },
{ 1, NULL, Command::NONE, 0, KN, NULL },
{ 1, N_("Snap Selection to &Grid"), Command::SNAP_TO_GRID, '.', KN, mEdit },
{ 1, N_("Rotate Imported &90°"), Command::ROTATE_90, '9', KN, mEdit },
{ 1, NULL, Command::NONE, 0, KN, NULL },
{ 1, N_("Cu&t"), Command::CUT, C|'x', KN, mClip },
{ 1, N_("&Copy"), Command::COPY, C|'c', KN, mClip },
{ 1, N_("&Paste"), Command::PASTE, C|'v', KN, mClip },
{ 1, N_("Paste &Transformed..."), Command::PASTE_TRANSFORM, C|'t', KN, mClip },
{ 1, N_("&Delete"), Command::DELETE, '\x7f', KN, mClip },
{ 1, NULL, Command::NONE, 0, KN, NULL },
{ 1, N_("Select &Edge Chain"), Command::SELECT_CHAIN, C|'e', KN, mEdit },
{ 1, N_("Select &All"), Command::SELECT_ALL, C|'a', KN, mEdit },
{ 1, N_("&Unselect All"), Command::UNSELECT_ALL, '\x1b', KN, mEdit },
{ 1, NULL, Command::NONE, 0, KN, NULL },
{ 1, N_("&Line Styles..."), Command::EDIT_LINE_STYLES, 0, KN, mEdit },
{ 1, N_("&View Projection..."), Command::VIEW_PROJECTION, 0, KN, mEdit },
#ifndef __APPLE__
{ 1, N_("Con&figuration..."), Command::CONFIGURATION, 0, KN, mEdit },
#endif
{ 0, N_("&View"), Command::NONE, 0, KN, mView },
{ 1, N_("Zoom &In"), Command::ZOOM_IN, '+', KN, mView },
{ 1, N_("Zoom &Out"), Command::ZOOM_OUT, '-', KN, mView },
{ 1, N_("Zoom To &Fit"), Command::ZOOM_TO_FIT, 'f', KN, mView },
{ 1, NULL, Command::NONE, 0, KN, NULL },
{ 1, N_("Align View to &Workplane"), Command::ONTO_WORKPLANE, 'w', KN, mView },
{ 1, N_("Nearest &Ortho View"), Command::NEAREST_ORTHO, F|2, KN, mView },
{ 1, N_("Nearest &Isometric View"), Command::NEAREST_ISO, F|3, KN, mView },
{ 1, N_("&Center View At Point"), Command::CENTER_VIEW, F|4, KN, mView },
{ 1, NULL, Command::NONE, 0, KN, NULL },
{ 1, N_("Show Snap &Grid"), Command::SHOW_GRID, '>', KC, mView },
{ 1, N_("Darken Inactive Solids"), Command::DIM_SOLID_MODEL, 0, KC, mView },
{ 1, N_("Use &Perspective Projection"), Command::PERSPECTIVE_PROJ, '`', KC, mView },
{ 1, N_("Show E&xploded View"), Command::EXPLODE_SKETCH, '\\', KC, mView },
{ 1, N_("Dimension &Units"), Command::NONE, 0, KN, NULL },
{ 2, N_("Dimensions in &Millimeters"), Command::UNITS_MM, 0, KR, mView },
{ 2, N_("Dimensions in M&eters"), Command::UNITS_METERS, 0, KR, mView },
{ 2, N_("Dimensions in &Inches"), Command::UNITS_INCHES, 0, KR, mView },
{ 2, N_("Dimensions in &Feet and Inches"), Command::UNITS_FEET_INCHES, 0, KR, mView },
{ 1, NULL, Command::NONE, 0, KN, NULL },
{ 1, N_("Show &Toolbar"), Command::SHOW_TOOLBAR, C|'\t', KC, mView },
{ 1, N_("Show Property Bro&wser"), Command::SHOW_TEXT_WND, '\t', KC, mView },
{ 1, NULL, Command::NONE, 0, KN, NULL },
{ 1, N_("&Full Screen"), Command::FULL_SCREEN, C|F|11, KC, mView },
{ 0, N_("&New Group"), Command::NONE, 0, KN, mGrp },
{ 1, N_("Sketch In &3d"), Command::GROUP_3D, S|'3', KN, mGrp },
{ 1, N_("Sketch In New &Workplane"), Command::GROUP_WRKPL, S|'w', KN, mGrp },
{ 1, NULL, Command::NONE, 0, KN, NULL },
{ 1, N_("Step &Translating"), Command::GROUP_TRANS, S|'t', KN, mGrp },
{ 1, N_("Step &Rotating"), Command::GROUP_ROT, S|'r', KN, mGrp },
{ 1, NULL, Command::NONE, 0, KN, NULL },
{ 1, N_("E&xtrude"), Command::GROUP_EXTRUDE, S|'x', KN, mGrp },
{ 1, N_("&Helix"), Command::GROUP_HELIX, S|'h', KN, mGrp },
{ 1, N_("&Lathe"), Command::GROUP_LATHE, S|'l', KN, mGrp },
{ 1, N_("Re&volve"), Command::GROUP_REVOLVE, S|'v', KN, mGrp },
{ 1, NULL, Command::NONE, 0, KN, NULL },
{ 1, N_("Link / Assemble..."), Command::GROUP_LINK, S|'i', KN, mGrp },
{ 1, N_("Link Recent"), Command::GROUP_RECENT, 0, KN, mGrp },
{ 0, N_("&Sketch"), Command::NONE, 0, KN, mReq },
{ 1, N_("In &Workplane"), Command::SEL_WORKPLANE, '2', KR, mReq },
{ 1, N_("Anywhere In &3d"), Command::FREE_IN_3D, '3', KR, mReq },
{ 1, NULL, Command::NONE, 0, KN, NULL },
{ 1, N_("Datum &Point"), Command::DATUM_POINT, 'p', KN, mReq },
{ 1, N_("Wor&kplane"), Command::WORKPLANE, 0, KN, mReq },
{ 1, NULL, Command::NONE, 0, KN, NULL },
{ 1, N_("Line &Segment"), Command::LINE_SEGMENT, 's', KN, mReq },
{ 1, N_("C&onstruction Line Segment"), Command::CONSTR_SEGMENT, S|'s', KN, mReq },
{ 1, N_("&Rectangle"), Command::RECTANGLE, 'r', KN, mReq },
{ 1, N_("&Circle"), Command::CIRCLE, 'c', KN, mReq },
{ 1, N_("&Arc of a Circle"), Command::ARC, 'a', KN, mReq },
{ 1, N_("&Bezier Cubic Spline"), Command::CUBIC, 'b', KN, mReq },
{ 1, NULL, Command::NONE, 0, KN, NULL },
{ 1, N_("&Text in TrueType Font"), Command::TTF_TEXT, 't', KN, mReq },
{ 1, N_("I&mage"), Command::IMAGE, 0, KN, mReq },
{ 1, NULL, Command::NONE, 0, KN, NULL },
{ 1, N_("To&ggle Construction"), Command::CONSTRUCTION, 'g', KN, mReq },
{ 1, N_("Ta&ngent Arc at Point"), Command::TANGENT_ARC, S|'a', KN, mReq },
{ 1, N_("Split Curves at &Intersection"), Command::SPLIT_CURVES, 'i', KN, mReq },
{ 0, N_("&Constrain"), Command::NONE, 0, KN, mCon },
{ 1, N_("&Distance / Diameter"), Command::DISTANCE_DIA, 'd', KN, mCon },
{ 1, N_("Re&ference Dimension"), Command::REF_DISTANCE, S|'d', KN, mCon },
{ 1, N_("A&ngle / Equal Angle"), Command::ANGLE, 'n', KN, mCon },
{ 1, N_("Reference An&gle"), Command::REF_ANGLE, S|'n', KN, mCon },
{ 1, N_("Other S&upplementary Angle"), Command::OTHER_ANGLE, 'u', KN, mCon },
{ 1, N_("Toggle R&eference Dim"), Command::REFERENCE, 'e', KN, mCon },
{ 1, NULL, Command::NONE, 0, KN, NULL },
{ 1, N_("&Horizontal"), Command::HORIZONTAL, 'h', KN, mCon },
{ 1, N_("&Vertical"), Command::VERTICAL, 'v', KN, mCon },
{ 1, NULL, Command::NONE, 0, KN, NULL },
{ 1, N_("&On Point / Curve / Plane"), Command::ON_ENTITY, 'o', KN, mCon },
{ 1, N_("E&qual Length / Radius"), Command::EQUAL, 'q', KN, mCon },
{ 1, N_("Length / Arc Ra&tio"), Command::RATIO, 'z', KN, mCon },
{ 1, N_("Length / Arc Diff&erence"), Command::DIFFERENCE, 'j', KN, mCon },
{ 1, N_("At &Midpoint"), Command::AT_MIDPOINT, 'm', KN, mCon },
{ 1, N_("S&ymmetric"), Command::SYMMETRIC, 'y', KN, mCon },
{ 1, N_("Para&llel / Tangent"), Command::PARALLEL, 'l', KN, mCon },
{ 1, N_("&Perpendicular"), Command::PERPENDICULAR, '[', KN, mCon },
{ 1, N_("Same Orient&ation"), Command::ORIENTED_SAME, 'x', KN, mCon },
{ 1, N_("Lock Point Where &Dragged"), Command::WHERE_DRAGGED, ']', KN, mCon },
{ 1, NULL, Command::NONE, 0, KN, NULL },
{ 1, N_("Comment"), Command::COMMENT, ';', KN, mCon },
{ 0, N_("&Analyze"), Command::NONE, 0, KN, mAna },
{ 1, N_("Measure &Volume"), Command::VOLUME, C|S|'v', KN, mAna },
{ 1, N_("Measure A&rea"), Command::AREA, C|S|'a', KN, mAna },
{ 1, N_("Measure &Perimeter"), Command::PERIMETER, C|S|'p', KN, mAna },
{ 1, N_("Show &Interfering Parts"), Command::INTERFERENCE, C|S|'i', KN, mAna },
{ 1, N_("Show &Naked Edges"), Command::NAKED_EDGES, C|S|'n', KN, mAna },
{ 1, N_("Show &Center of Mass"), Command::CENTER_OF_MASS, C|S|'c', KN, mAna },
{ 1, NULL, Command::NONE, 0, KN, NULL },
{ 1, N_("Show &Underconstrained Points"), Command::SHOW_DOF, C|S|'f', KN, mAna },
{ 1, NULL, Command::NONE, 0, KN, NULL },
{ 1, N_("&Trace Point"), Command::TRACE_PT, C|S|'t', KN, mAna },
{ 1, N_("&Stop Tracing..."), Command::STOP_TRACING, C|S|'s', KN, mAna },
{ 1, N_("Step &Dimension..."), Command::STEP_DIM, C|S|'d', KN, mAna },
{ 0, N_("&Help"), Command::NONE, 0, KN, mHelp },
{ 1, N_("&Language"), Command::LOCALE, 0, KN, mHelp },
{ 1, N_("&Website / Manual"), Command::WEBSITE, 0, KN, mHelp },
{ 1, N_("&Go to GitHub commit"), Command::GITHUB, 0, KN, mHelp },
#ifndef __APPLE__
{ 1, N_("&About"), Command::ABOUT, 0, KN, mHelp },
#endif
{ -1, 0, Command::NONE, 0, KN, NULL }
};
#undef S
#undef C
#undef F
#undef KN
#undef KC
#undef KR
void GraphicsWindow::ActivateCommand(Command cmd) {
for(int i = 0; Menu[i].level >= 0; i++) {
if(cmd == Menu[i].cmd) {
(Menu[i].fn)((Command)Menu[i].cmd);
break;
}
}
}
Platform::KeyboardEvent GraphicsWindow::AcceleratorForCommand(Command cmd) {
int rawAccel = 0;
for(int i = 0; Menu[i].level >= 0; i++) {
if(cmd == Menu[i].cmd) {
rawAccel = Menu[i].accel;
break;
}
}
Platform::KeyboardEvent accel = {};
accel.type = Platform::KeyboardEvent::Type::PRESS;
if(rawAccel & SHIFT_MASK) {
accel.shiftDown = true;
}
if(rawAccel & CTRL_MASK) {
accel.controlDown = true;
}
if(rawAccel & FN_MASK) {
accel.key = Platform::KeyboardEvent::Key::FUNCTION;
accel.num = rawAccel & 0xff;
} else {
accel.key = Platform::KeyboardEvent::Key::CHARACTER;
accel.chr = (char)(rawAccel & 0xff);
}
return accel;
}
bool GraphicsWindow::KeyboardEvent(Platform::KeyboardEvent event) {
using Platform::KeyboardEvent;
if(event.type == KeyboardEvent::Type::RELEASE)
return true;
if(event.key == KeyboardEvent::Key::CHARACTER) {
if(event.chr == '\b') {
// Treat backspace identically to escape.
MenuEdit(Command::UNSELECT_ALL);
return true;
} else if(event.chr == '=') {
// Treat = as +. This is specific to US (and US-compatible) keyboard layouts,
// but makes zooming from keyboard much more usable on these.
// Ideally we'd have a platform-independent way of binding to a particular
// physical key regardless of shift status...
MenuView(Command::ZOOM_IN);
return true;
}
}
// On some platforms, the OS does not handle some or all keyboard accelerators,
// so handle them here.
for(int i = 0; Menu[i].level >= 0; i++) {
if(AcceleratorForCommand(Menu[i].cmd).Equals(event)) {
ActivateCommand(Menu[i].cmd);
return true;
}
}
return false;
}
void GraphicsWindow::PopulateMainMenu() {
bool unique = false;
Platform::MenuBarRef mainMenu = Platform::GetOrCreateMainMenu(&unique);
if(unique) mainMenu->Clear();
Platform::MenuRef currentSubMenu;
std::vector<Platform::MenuRef> subMenuStack;
for(int i = 0; Menu[i].level >= 0; i++) {
while(Menu[i].level > 0 && Menu[i].level <= (int)subMenuStack.size()) {
currentSubMenu = subMenuStack.back();
subMenuStack.pop_back();
}
if(Menu[i].label == NULL) {
currentSubMenu->AddSeparator();
continue;
}
std::string label = Translate(Menu[i].label);
if(Menu[i].level == 0) {
currentSubMenu = mainMenu->AddSubMenu(label);
} else if(Menu[i].cmd == Command::OPEN_RECENT) {
openRecentMenu = currentSubMenu->AddSubMenu(label);
} else if(Menu[i].cmd == Command::GROUP_RECENT) {
linkRecentMenu = currentSubMenu->AddSubMenu(label);
} else if(Menu[i].cmd == Command::LOCALE) {
Platform::MenuRef localeMenu = currentSubMenu->AddSubMenu(label);
for(const Locale &locale : Locales()) {
localeMenu->AddItem(locale.displayName, [&]() {
SetLocale(locale.Culture());
Platform::GetSettings()->FreezeString("Locale", locale.Culture());
SS.UpdateWindowTitles();
PopulateMainMenu();
SS.GW.EnsureValidActives();
});
}
} else if(Menu[i].fn == NULL) {
subMenuStack.push_back(currentSubMenu);
currentSubMenu = currentSubMenu->AddSubMenu(label);
} else {
Platform::MenuItemRef menuItem = currentSubMenu->AddItem(label);
menuItem->SetIndicator(Menu[i].kind);
if(Menu[i].accel != 0) {
menuItem->SetAccelerator(AcceleratorForCommand(Menu[i].cmd));
}
menuItem->onTrigger = std::bind(Menu[i].fn, Menu[i].cmd);
if(Menu[i].cmd == Command::SHOW_GRID) {
showGridMenuItem = menuItem;
} else if(Menu[i].cmd == Command::DIM_SOLID_MODEL) {
dimSolidModelMenuItem = menuItem;
} else if(Menu[i].cmd == Command::PERSPECTIVE_PROJ) {
perspectiveProjMenuItem = menuItem;
} else if(Menu[i].cmd == Command::EXPLODE_SKETCH) {
explodeMenuItem = menuItem;
} else if(Menu[i].cmd == Command::SHOW_TOOLBAR) {
showToolbarMenuItem = menuItem;
} else if(Menu[i].cmd == Command::SHOW_TEXT_WND) {
showTextWndMenuItem = menuItem;
} else if(Menu[i].cmd == Command::FULL_SCREEN) {
fullScreenMenuItem = menuItem;
} else if(Menu[i].cmd == Command::UNITS_MM) {
unitsMmMenuItem = menuItem;
} else if(Menu[i].cmd == Command::UNITS_METERS) {
unitsMetersMenuItem = menuItem;
} else if(Menu[i].cmd == Command::UNITS_INCHES) {
unitsInchesMenuItem = menuItem;
} else if(Menu[i].cmd == Command::UNITS_FEET_INCHES) {
unitsFeetInchesMenuItem = menuItem;
} else if(Menu[i].cmd == Command::SEL_WORKPLANE) {
inWorkplaneMenuItem = menuItem;
} else if(Menu[i].cmd == Command::FREE_IN_3D) {
in3dMenuItem = menuItem;
} else if(Menu[i].cmd == Command::UNDO) {
undoMenuItem = menuItem;
} else if(Menu[i].cmd == Command::REDO) {
redoMenuItem = menuItem;
}
}
}
PopulateRecentFiles();
SS.UndoEnableMenus();
window->SetMenuBar(mainMenu);
}
static void PopulateMenuWithPathnames(Platform::MenuRef menu,
std::vector<Platform::Path> pathnames,
std::function<void(const Platform::Path &)> onTrigger) {
menu->Clear();
if(pathnames.empty()) {
Platform::MenuItemRef menuItem = menu->AddItem(_("(no recent files)"));
menuItem->SetEnabled(false);
} else {
for(Platform::Path pathname : pathnames) {
Platform::MenuItemRef menuItem = menu->AddItem(pathname.raw, [=]() {
if(FileExists(pathname)) {
onTrigger(pathname);
} else {
Error(_("File '%s' does not exist."), pathname.raw.c_str());
}
}, /*mnemonics=*/false);
}
}
}
void GraphicsWindow::PopulateRecentFiles() {
PopulateMenuWithPathnames(openRecentMenu, SS.recentFiles, [](const Platform::Path &path) {
// OkayToStartNewFile could mutate recentFiles, which will invalidate path (which is a
// reference into the recentFiles vector), so take a copy of it here.
Platform::Path pathCopy(path);
if(!SS.OkayToStartNewFile()) return;
SS.Load(pathCopy);
});
PopulateMenuWithPathnames(linkRecentMenu, SS.recentFiles, [](const Platform::Path &path) {
Group::MenuGroup(Command::GROUP_LINK, path);
});
}
void GraphicsWindow::Init() {
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
ssassert(!SK.groupOrder.IsEmpty(),
"Group order can't be empty since we will activate the last group.");
activeGroup = *SK.groupOrder.Last();
SK.GetGroup(activeGroup)->Activate();
showWorkplanes = false;
showNormals = true;
showPoints = true;
showConstruction = true;
showConstraints = ShowConstraintMode::SCM_SHOW_ALL;
showShaded = true;
showEdges = true;
showMesh = false;
showOutlines = false;
showFacesDrawing = false;
showFacesNonDrawing = true;
drawOccludedAs = DrawOccludedAs::INVISIBLE;
showTextWindow = true;
showSnapGrid = false;
dimSolidModel = true;
context.active = false;
toolbarHovered = Command::NONE;
if(!window) {
window = Platform::CreateWindow();
if(window) {
using namespace std::placeholders;
// Do this first, so that if it causes an onRender event we don't try to paint without
// a canvas.
window->SetMinContentSize(720, /*ToolbarDrawOrHitTest 636*/ 32 * 18 + 3 * 16 + 8 + 4);
window->onClose = std::bind(&SolveSpaceUI::MenuFile, Command::EXIT);
window->onContextLost = [&] {
canvas = NULL;
persistentCanvas = NULL;
persistentDirty = true;
};
window->onRender = std::bind(&GraphicsWindow::Paint, this);
window->onKeyboardEvent = std::bind(&GraphicsWindow::KeyboardEvent, this, _1);
window->onMouseEvent = std::bind(&GraphicsWindow::MouseEvent, this, _1);
window->onSixDofEvent = std::bind(&GraphicsWindow::SixDofEvent, this, _1);
window->onEditingDone = std::bind(&GraphicsWindow::EditControlDone, this, _1);
PopulateMainMenu();
}
}
if(window) {
canvas = CreateRenderer();
if(canvas) {
persistentCanvas = canvas->CreateBatch();
persistentDirty = true;
}
}
// 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();
// Get Z pointing vertical, if we're on turntable nav mode:
if(SS.turntableNav) {
Vector normalRight = quatf.RotationU();
Vector normalUp = quatf.RotationV();
Vector normal = normalRight.Cross(normalUp);
if(normalRight.z != 0) {
double theta = atan2(normalUp.z, normalRight.z);
theta -= atan2(1, 0);
normalRight = normalRight.RotatedAbout(normal, theta);
normalUp = normalUp.RotatedAbout(normal, theta);
quatf = Quaternion::From(normalRight, normalUp);
}
}
Vector offsetf = (SK.GetEntity(w->point[0])->PointGetNum()).ScaledBy(-1);
// If the view screen is open, then we need to refresh it.
SS.ScheduleShowTW();
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.
int64_t t0 = GetMilliseconds();
int32_t dt = (mp < 0.01 && mo < 10) ? 0 :
(int32_t)(SS.animationSpeed*0.75*mp + SS.animationSpeed*0.0005*mo);
// Apply a minimum animation time, for small moves. This gets overridden by the maximum setting
// so setting the animation speed to 0 disables animations entirely.
dt = std::max(dt, 100 /* ms */);
// Don't ever animate for longer than animationSpeed ms; we can get absurdly
// long translations (as measured in pixels) if the user zooms out, moves,
// and then zooms in again.
dt = std::min(dt, SS.animationSpeed);
// If the resulting animation time is very short, disable it completely.
if (dt < 10) dt = -20;
Quaternion dq = quatf.Times(quat0.Inverse());
if(!animateTimer) {
animateTimer = Platform::CreateTimer();
}
animateTimer->onTimeout = [=] {
int64_t tn = GetMilliseconds();
if((tn - t0) < dt) {
animateTimer->RunAfterNextFrame();
double s = (tn - t0)/((double)dt);
offset = (offset0.ScaledBy(1 - s)).Plus(offsetf.ScaledBy(s));
Quaternion quat = (dq.ToThe(s)).Times(quat0).WithMagnitude(1);
projRight = quat.RotationU();
projUp = quat.RotationV();
} else {
projRight = quatf.RotationU();
projUp = quatf.RotationV();
offset = offsetf;
}
window->Invalidate();
};
animateTimer->RunAfterNextFrame();
}
void GraphicsWindow::HandlePointForZoomToFit(Vector p, Point2d *pmax, Point2d *pmin,
double *wmin, bool usePerspective,
const Camera &camera)
{
double w;
Vector pp = camera.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,
const Camera &camera) {
for(Entity *e : entities) {
if(e->IsPoint()) {
HandlePointForZoomToFit(e->PointGetNum(), pmax, pmin, wmin, usePerspective, camera);
} 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, camera);
}
} else {
// We have to iterate children points, because we can select entities 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, camera);
}
}
}
for(Constraint *c : constraints) {
std::vector<Vector> refs;
c->GetReferencePoints(camera, &refs);
for(const Vector &p : refs) {
HandlePointForZoomToFit(p, pmax, pmin, wmin, usePerspective, camera);
}
}
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[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, camera);
HandlePointForZoomToFit(tr->b, pmax, pmin, wmin, usePerspective, camera);
HandlePointForZoomToFit(tr->c, pmax, pmin, wmin, usePerspective, camera);
}
if(!includeMesh) return;
for(int i = 0; i < g->polyLoops.l.n; i++) {
SContour *sc = &(g->polyLoops.l[i]);
for(int j = 0; j < sc->l.n; j++) {
HandlePointForZoomToFit(sc->l[j].p, pmax, pmin, wmin, usePerspective, camera);
}
}
}
void GraphicsWindow::ZoomToFit(bool includingInvisibles, bool useSelection) {
if(!window) return;
scale = ZoomToFit(GetCamera(), includingInvisibles, useSelection);
}
double GraphicsWindow::ZoomToFit(const Camera &camera,
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[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,
camera);
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
double scale;
if(EXACT(dx == 0 && dy == 0)) {
scale = 5;
} else {
double scalex = 1e12, scaley = 1e12;
if(EXACT(dx != 0)) scalex = 0.9*camera.width /dx;
if(EXACT(dy != 0)) scaley = 0.9*camera.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,
camera);
// Adjust the scale so that no points are behind the camera
if(wmin < 0.1) {
double k = camera.tangent;
// 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));
}
return scale;
}
void GraphicsWindow::ZoomToMouse(double zoomMultiplyer) {
double offsetRight = offset.Dot(projRight);
double offsetUp = offset.Dot(projUp);
double width, height;
window->GetContentSize(&width, &height);
double righti = currentMousePosition.x / scale - offsetRight;
double upi = currentMousePosition.y / scale - offsetUp;
// zoomMultiplyer of 1 gives a default zoom factor of 1.2x: zoomMultiplyer * 1.2
// zoom = adjusted zoom negative zoomMultiplyer will zoom out, positive will zoom in
//
scale *= exp(0.1823216 * zoomMultiplyer); // ln(1.2) = 0.1823216
double rightf = currentMousePosition.x / scale - offsetRight;
double upf = currentMousePosition.y / scale - offsetUp;
offset = offset.Plus(projRight.ScaledBy(rightf - righti));
offset = offset.Plus(projUp.ScaledBy(upf - upi));
if(SS.TW.shown.screen == TextWindow::Screen::EDIT_VIEW) {
if(havePainted) {
SS.ScheduleShowTW();
}
}
havePainted = false;
Invalidate();
}
void GraphicsWindow::MenuView(Command id) {
switch(id) {
case Command::ZOOM_IN:
SS.GW.ZoomToMouse(1);
break;
case Command::ZOOM_OUT:
SS.GW.ZoomToMouse(-1);
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;
SS.GW.EnsureValidActives();
SS.GW.Invalidate();
if(SS.GW.showSnapGrid && !SS.GW.LockedInWorkplane()) {
Message(_("No workplane is active, so the grid will not appear."));
}
break;
case Command::DIM_SOLID_MODEL:
SS.GW.dimSolidModel = !SS.GW.dimSolidModel;
SS.GW.EnsureValidActives();
SS.GW.Invalidate(/*clearPersistent=*/true);
break;
case Command::PERSPECTIVE_PROJ:
SS.usePerspectiveProj = !SS.usePerspectiveProj;
SS.GW.EnsureValidActives();
SS.GW.Invalidate();
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."));
}
break;
case Command::EXPLODE_SKETCH:
SS.explode = !SS.explode;
SS.GW.EnsureValidActives();
SS.MarkGroupDirty(SS.GW.activeGroup, true);
break;
case Command::ONTO_WORKPLANE:
if(SS.GW.LockedInWorkplane()) {
SS.GW.AnimateOntoWorkplane();
break;
} // if not in 2d mode use ORTHO logic
// fallthrough
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), if all are
// allowed. If the user is in turn-table mode, the
// isometric view must have the z-axis facing up, leaving
// 8 possible views (2*1*2*2).
bool require_turntable = (id==Command::NEAREST_ISO && SS.turntableNav);
for(int i = 0; i < 3; i++) {
for(int j = 0; j < 3; j++) {
if(i == j) continue;
if(require_turntable && (j!=2)) continue;
for(int negi = 0; negi < 2; negi++) {
for(int 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.ClearSelection();
SS.GW.AnimateOnto(quat0, pt.ScaledBy(-1));
} 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();
SS.GW.Invalidate();
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_FEET_INCHES:
SS.viewUnits = Unit::FEET_INCHES;
SS.ScheduleShowTW();
SS.GW.EnsureValidActives();
break;
case Command::UNITS_MM:
SS.viewUnits = Unit::MM;
SS.ScheduleShowTW();
SS.GW.EnsureValidActives();
break;
case Command::UNITS_METERS:
SS.viewUnits = Unit::METERS;
SS.ScheduleShowTW();
SS.GW.EnsureValidActives();
break;
case Command::FULL_SCREEN:
SS.GW.window->SetFullScreen(!SS.GW.window->IsFullScreen());
SS.GW.EnsureValidActives();
break;
default: ssassert(false, "Unexpected menu ID");
}
SS.GW.Invalidate();
}
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 == Group::HGROUP_REFERENCES)) {
// Not using range-for because this is used to find an index.
int i;
for(i = 0; i < SK.groupOrder.n; i++) {
if(SK.groupOrder[i] != Group::HGROUP_REFERENCES) {
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[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 != activeGroup && 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;
}
}
if(!window) return;
// And update the checked state for various menus
bool locked = LockedInWorkplane();
in3dMenuItem->SetActive(!locked);
inWorkplaneMenuItem->SetActive(locked);
SS.UndoEnableMenus();
switch(SS.viewUnits) {
case Unit::MM:
case Unit::METERS:
case Unit::INCHES:
case Unit::FEET_INCHES:
break;
default:
SS.viewUnits = Unit::MM;
break;