936 lines
37 KiB
C++
936 lines
37 KiB
C++
//-----------------------------------------------------------------------------
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// Top-level implementation of the program's main window, in which a graphical
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// representation of the model is drawn and edited by the user.
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//
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// Copyright 2008-2013 Jonathan Westhues.
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//-----------------------------------------------------------------------------
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#include "solvespace.h"
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#define mView (&GraphicsWindow::MenuView)
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#define mEdit (&GraphicsWindow::MenuEdit)
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#define mClip (&GraphicsWindow::MenuClipboard)
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#define mReq (&GraphicsWindow::MenuRequest)
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#define mCon (&Constraint::MenuConstrain)
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#define mFile (&SolveSpace::MenuFile)
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#define mGrp (&Group::MenuGroup)
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#define mAna (&SolveSpace::MenuAnalyze)
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#define mHelp (&SolveSpace::MenuHelp)
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#define S 0x100
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#define C 0x200
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#define F(k) (0xf0+(k))
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const GraphicsWindow::MenuEntry GraphicsWindow::menu[] = {
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{ 0, "&File", 0, 0, NULL },
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{ 1, "&New\tCtrl+N", MNU_NEW, 'N'|C, mFile },
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{ 1, "&Open...\tCtrl+O", MNU_OPEN, 'O'|C, mFile },
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{ 1, "Open &Recent", MNU_OPEN_RECENT, 0, mFile },
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{ 1, "&Save\tCtrl+S", MNU_SAVE, 'S'|C, mFile },
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{ 1, "Save &As...", MNU_SAVE_AS, 0, mFile },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "Export &Image...", MNU_EXPORT_PNG, 0, mFile },
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{ 1, "Export 2d &View...", MNU_EXPORT_VIEW, 0, mFile },
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{ 1, "Export 2d &Section...", MNU_EXPORT_SECTION, 0, mFile },
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{ 1, "Export 3d &Wireframe...", MNU_EXPORT_WIREFRAME, 0, mFile },
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{ 1, "Export Triangle &Mesh...", MNU_EXPORT_MESH, 0, mFile },
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{ 1, "Export &Surfaces...", MNU_EXPORT_SURFACES,0, mFile },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "E&xit", MNU_EXIT, 0, mFile },
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{ 0, "&Edit", 0, 0, NULL },
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{ 1, "&Undo\tCtrl+Z", MNU_UNDO, 'Z'|C, mEdit },
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{ 1, "&Redo\tCtrl+Y", MNU_REDO, 'Y'|C, mEdit },
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{ 1, "Re&generate All\tSpace", MNU_REGEN_ALL, ' ', mEdit },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "Snap Selection to &Grid\t.", MNU_SNAP_TO_GRID, '.', mEdit },
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{ 1, "Rotate Imported &90<39>\t9", MNU_ROTATE_90, '9', mEdit },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "Cu&t\tCtrl+X", MNU_CUT, 'X'|C, mClip },
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{ 1, "&Copy\tCtrl+C", MNU_COPY, 'C'|C, mClip },
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{ 1, "&Paste\tCtrl+V", MNU_PASTE, 'V'|C, mClip },
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{ 1, "Paste &Transformed...\tCtrl+T", MNU_PASTE_TRANSFORM,'T'|C, mClip },
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{ 1, "&Delete\tDel", MNU_DELETE, 127, mClip },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "Select &Edge Chain\tCtrl+E", MNU_SELECT_CHAIN, 'E'|C, mEdit },
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{ 1, "Select &All\tCtrl+A", MNU_SELECT_ALL, 'A'|C, mEdit },
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{ 1, "&Unselect All\tEsc", MNU_UNSELECT_ALL, 27, mEdit },
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{ 0, "&View", 0, 0, NULL },
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{ 1, "Zoom &In\t+", MNU_ZOOM_IN, '+', mView },
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{ 1, "Zoom &Out\t-", MNU_ZOOM_OUT, '-', mView },
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{ 1, "Zoom To &Fit\tF", MNU_ZOOM_TO_FIT, 'F', mView },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "Align View to &Workplane\tW", MNU_ONTO_WORKPLANE, 'W', mView },
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{ 1, "Nearest &Ortho View\tF2", MNU_NEAREST_ORTHO, F(2), mView },
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{ 1, "Nearest &Isometric View\tF3", MNU_NEAREST_ISO, F(3), mView },
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{ 1, "&Center View At Point\tF4", MNU_CENTER_VIEW, F(4), mView },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "Show Snap &Grid\t>", MNU_SHOW_GRID, '.'|S, mView },
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{ 1, "Use &Perspective Projection\t`", MNU_PERSPECTIVE_PROJ,'`', mView },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "Show Text &Window\tTab", MNU_SHOW_TEXT_WND, '\t', mView },
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{ 1, "Show &Toolbar", MNU_SHOW_TOOLBAR, 0, mView },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "Dimensions in &Inches", MNU_UNITS_INCHES, 0, mView },
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{ 1, "Dimensions in &Millimeters", MNU_UNITS_MM, 0, mView },
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{ 0, "&New Group", 0, 0, NULL },
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{ 1, "Sketch In &3d\tShift+3", MNU_GROUP_3D, '3'|S, mGrp },
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{ 1, "Sketch In New &Workplane\tShift+W", MNU_GROUP_WRKPL, 'W'|S, mGrp },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "Step &Translating\tShift+T", MNU_GROUP_TRANS, 'T'|S, mGrp },
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{ 1, "Step &Rotating\tShift+R", MNU_GROUP_ROT, 'R'|S, mGrp },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "E&xtrude\tShift+X", MNU_GROUP_EXTRUDE, 'X'|S, mGrp },
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{ 1, "&Lathe\tShift+L", MNU_GROUP_LATHE, 'L'|S, mGrp },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "Import / Assemble...\tShift+I", MNU_GROUP_IMPORT, 'I'|S, mGrp },
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{ 1, "Import Recent", MNU_GROUP_RECENT, 0, mGrp },
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{ 0, "&Sketch", 0, 0, NULL },
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{ 1, "In &Workplane\t2", MNU_SEL_WORKPLANE, '2', mReq },
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{ 1, "Anywhere In &3d\t3", MNU_FREE_IN_3D, '3', mReq },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "Datum &Point\tP", MNU_DATUM_POINT, 'P', mReq },
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{ 1, "&Workplane", MNU_WORKPLANE, 0, mReq },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "Line &Segment\tS", MNU_LINE_SEGMENT, 'S', mReq },
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{ 1, "&Rectangle\tR", MNU_RECTANGLE, 'R', mReq },
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{ 1, "&Circle\tC", MNU_CIRCLE, 'C', mReq },
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{ 1, "&Arc of a Circle\tA", MNU_ARC, 'A', mReq },
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{ 1, "&Bezier Cubic Spline\tB", MNU_CUBIC, 'B', mReq },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "&Text in TrueType Font\tT", MNU_TTF_TEXT, 'T', mReq },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "To&ggle Construction\tG", MNU_CONSTRUCTION, 'G', mReq },
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{ 1, "Tangent &Arc at Point\tShift+A", MNU_TANGENT_ARC, 'A'|S, mReq },
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{ 1, "Split Curves at &Intersection\tI", MNU_SPLIT_CURVES, 'I', mReq },
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{ 0, "&Constrain", 0, 0, NULL },
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{ 1, "&Distance / Diameter\tD", MNU_DISTANCE_DIA, 'D', mCon },
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{ 1, "A&ngle\tN", MNU_ANGLE, 'N', mCon },
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{ 1, "Other S&upplementary Angle\tU", MNU_OTHER_ANGLE, 'U', mCon },
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{ 1, "Toggle R&eference Dim\tE", MNU_REFERENCE, 'E', mCon },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "&Horizontal\tH", MNU_HORIZONTAL, 'H', mCon },
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{ 1, "&Vertical\tV", MNU_VERTICAL, 'V', mCon },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "&On Point / Curve / Plane\tO", MNU_ON_ENTITY, 'O', mCon },
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{ 1, "E&qual Length / Radius / Angle\tQ", MNU_EQUAL, 'Q', mCon },
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{ 1, "Length Ra&tio\tZ", MNU_RATIO, 'Z', mCon },
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{ 1, "At &Midpoint\tM", MNU_AT_MIDPOINT, 'M', mCon },
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{ 1, "S&ymmetric\tY", MNU_SYMMETRIC, 'Y', mCon },
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{ 1, "Para&llel / Tangent\tL", MNU_PARALLEL, 'L', mCon },
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{ 1, "&Perpendicular\t[", MNU_PERPENDICULAR, '[', mCon },
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{ 1, "Same Orient&ation\tX", MNU_ORIENTED_SAME, 'X', mCon },
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{ 1, "Lock Point Where &Dragged\t]", MNU_WHERE_DRAGGED, ']', mCon },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "Comment\t;", MNU_COMMENT, ';', mCon },
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{ 0, "&Analyze", 0, 0, NULL },
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{ 1, "Measure &Volume\tCtrl+Shift+V", MNU_VOLUME, 'V'|S|C,mAna },
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{ 1, "Measure &Area\tCtrl+Shift+A", MNU_AREA, 'A'|S|C,mAna },
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{ 1, "Show &Interfering Parts\tCtrl+Shift+I", MNU_INTERFERENCE, 'I'|S|C,mAna },
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{ 1, "Show &Naked Edges\tCtrl+Shift+N", MNU_NAKED_EDGES, 'N'|S|C,mAna },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "Show Degrees of &Freedom\tCtrl+Shift+F", MNU_SHOW_DOF, 'F'|S|C,mAna },
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{ 1, NULL, 0, 0, NULL },
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{ 1, "&Trace Point\tCtrl+Shift+T", MNU_TRACE_PT, 'T'|S|C,mAna },
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{ 1, "&Stop Tracing...\tCtrl+Shift+S", MNU_STOP_TRACING, 'S'|S|C,mAna },
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{ 1, "Step &Dimension...\tCtrl+Shift+D", MNU_STEP_DIM, 'D'|S|C,mAna },
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{ 0, "&Help", 0, 0, NULL },
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{ 1, "&Website / Manual", MNU_WEBSITE, 0, mHelp },
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{ 1, "&About", MNU_ABOUT, 0, mHelp },
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{ -1 },
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};
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void GraphicsWindow::Init(void) {
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memset(this, 0, sizeof(*this));
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scale = 5;
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offset = Vector::From(0, 0, 0);
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projRight = Vector::From(1, 0, 0);
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projUp = Vector::From(0, 1, 0);
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// Make sure those are valid; could get a mouse move without a mouse
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// down if someone depresses the button, then drags into our window.
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orig.projRight = projRight;
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orig.projUp = projUp;
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// And with the last group active
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activeGroup = SK.group.elem[SK.group.n-1].h;
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SK.GetGroup(activeGroup)->Activate();
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showWorkplanes = false;
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showNormals = true;
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showPoints = true;
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showConstraints = true;
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showHdnLines = false;
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showShaded = true;
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showEdges = true;
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showMesh = false;
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showTextWindow = true;
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ShowTextWindow(showTextWindow);
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showSnapGrid = false;
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context.active = false;
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// Do this last, so that all the menus get updated correctly.
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EnsureValidActives();
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}
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void GraphicsWindow::AnimateOntoWorkplane(void) {
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if(!LockedInWorkplane()) return;
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Entity *w = SK.GetEntity(ActiveWorkplane());
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Quaternion quatf = w->Normal()->NormalGetNum();
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Vector offsetf = (SK.GetEntity(w->point[0])->PointGetNum()).ScaledBy(-1);
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AnimateOnto(quatf, offsetf);
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}
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void GraphicsWindow::AnimateOnto(Quaternion quatf, Vector offsetf) {
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// Get our initial orientation and translation.
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Quaternion quat0 = Quaternion::From(projRight, projUp);
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Vector offset0 = offset;
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// Make sure we take the shorter of the two possible paths.
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double mp = (quatf.Minus(quat0)).Magnitude();
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double mm = (quatf.Plus(quat0)).Magnitude();
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if(mp > mm) {
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quatf = quatf.ScaledBy(-1);
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mp = mm;
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}
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double mo = (offset0.Minus(offsetf)).Magnitude()*scale;
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// Animate transition, unless it's a tiny move.
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SDWORD dt = (mp < 0.01 && mo < 10) ? (-20) :
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(SDWORD)(100 + 1000*mp + 0.4*mo);
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// Don't ever animate for longer than 2000 ms; we can get absurdly
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// long translations (as measured in pixels) if the user zooms out, moves,
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// and then zooms in again.
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if(dt > 2000) dt = 2000;
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SDWORD tn, t0 = GetMilliseconds();
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double s = 0;
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Quaternion dq = quatf.Times(quat0.Inverse());
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do {
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offset = (offset0.ScaledBy(1 - s)).Plus(offsetf.ScaledBy(s));
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Quaternion quat = (dq.ToThe(s)).Times(quat0);
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quat = quat.WithMagnitude(1);
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projRight = quat.RotationU();
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projUp = quat.RotationV();
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PaintGraphics();
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tn = GetMilliseconds();
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s = (tn - t0)/((double)dt);
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} while((tn - t0) < dt);
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projRight = quatf.RotationU();
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projUp = quatf.RotationV();
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offset = offsetf;
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InvalidateGraphics();
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// If the view screen is open, then we need to refresh it.
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SS.later.showTW = true;
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}
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void GraphicsWindow::HandlePointForZoomToFit(Vector p,
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Point2d *pmax, Point2d *pmin, double *wmin, bool div)
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{
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double w;
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Vector pp = ProjectPoint4(p, &w);
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// If div is true, then we calculate a perspective projection of the point.
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// If not, then we do a parallel projection regardless of the current
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// scale factor.
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if(div) {
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pp = pp.ScaledBy(1.0/w);
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}
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pmax->x = max(pmax->x, pp.x);
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pmax->y = max(pmax->y, pp.y);
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pmin->x = min(pmin->x, pp.x);
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pmin->y = min(pmin->y, pp.y);
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*wmin = min(*wmin, w);
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}
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void GraphicsWindow::LoopOverPoints(Point2d *pmax, Point2d *pmin, double *wmin,
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bool div, bool includingInvisibles)
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{
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HandlePointForZoomToFit(Vector::From(0, 0, 0), pmax, pmin, wmin, div);
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int i, j;
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for(i = 0; i < SK.entity.n; i++) {
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Entity *e = &(SK.entity.elem[i]);
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if(!(e->IsVisible() || includingInvisibles)) continue;
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if(e->IsPoint()) {
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HandlePointForZoomToFit(e->PointGetNum(), pmax, pmin, wmin, div);
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} else if(e->type == Entity::CIRCLE) {
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// Lots of entities can extend outside the bbox of their points,
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// but circles are particularly bad. We want to get things halfway
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// reasonable without the mesh, because a zoom to fit is used to
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// set the zoom level to set the chord tol.
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double r = e->CircleGetRadiusNum();
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Vector c = SK.GetEntity(e->point[0])->PointGetNum();
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Quaternion q = SK.GetEntity(e->normal)->NormalGetNum();
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for(j = 0; j < 4; j++) {
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Vector p = (j == 0) ? (c.Plus(q.RotationU().ScaledBy( r))) :
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(j == 1) ? (c.Plus(q.RotationU().ScaledBy(-r))) :
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(j == 2) ? (c.Plus(q.RotationV().ScaledBy( r))) :
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(c.Plus(q.RotationV().ScaledBy(-r)));
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HandlePointForZoomToFit(p, pmax, pmin, wmin, div);
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}
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}
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}
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Group *g = SK.GetGroup(activeGroup);
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g->GenerateDisplayItems();
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for(i = 0; i < g->displayMesh.l.n; i++) {
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STriangle *tr = &(g->displayMesh.l.elem[i]);
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HandlePointForZoomToFit(tr->a, pmax, pmin, wmin, div);
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HandlePointForZoomToFit(tr->b, pmax, pmin, wmin, div);
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HandlePointForZoomToFit(tr->c, pmax, pmin, wmin, div);
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}
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for(i = 0; i < g->polyLoops.l.n; i++) {
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SContour *sc = &(g->polyLoops.l.elem[i]);
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for(j = 0; j < sc->l.n; j++) {
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HandlePointForZoomToFit(sc->l.elem[j].p, pmax, pmin, wmin, div);
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}
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}
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}
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void GraphicsWindow::ZoomToFit(bool includingInvisibles) {
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// On the first run, ignore perspective.
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Point2d pmax = { -1e12, -1e12 }, pmin = { 1e12, 1e12 };
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double wmin = 1;
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LoopOverPoints(&pmax, &pmin, &wmin, false, includingInvisibles);
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double xm = (pmax.x + pmin.x)/2, ym = (pmax.y + pmin.y)/2;
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double dx = pmax.x - pmin.x, dy = pmax.y - pmin.y;
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offset = offset.Plus(projRight.ScaledBy(-xm)).Plus(
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projUp. ScaledBy(-ym));
|
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// And based on this, we calculate the scale and offset
|
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if(dx == 0 && dy == 0) {
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scale = 5;
|
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} else {
|
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double scalex = 1e12, scaley = 1e12;
|
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if(dx != 0) scalex = 0.9*width /dx;
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if(dy != 0) scaley = 0.9*height/dy;
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scale = min(scalex, scaley);
|
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scale = min(300, scale);
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scale = max(0.003, scale);
|
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}
|
||
|
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// Then do another run, considering the perspective.
|
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pmax.x = -1e12; pmax.y = -1e12;
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pmin.x = 1e12; pmin.y = 1e12;
|
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wmin = 1;
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LoopOverPoints(&pmax, &pmin, &wmin, true, includingInvisibles);
|
||
|
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// Adjust the scale so that no points are behind the camera
|
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if(wmin < 0.1) {
|
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double k = SS.CameraTangent();
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// w = 1+k*scale*z
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double zmin = (wmin - 1)/(k*scale);
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// 0.1 = 1 + k*scale*zmin
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// (0.1 - 1)/(k*zmin) = scale
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scale = min(scale, (0.1 - 1)/(k*zmin));
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}
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}
|
||
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void GraphicsWindow::MenuView(int id) {
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switch(id) {
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case MNU_ZOOM_IN:
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SS.GW.scale *= 1.2;
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SS.later.showTW = true;
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break;
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|
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case MNU_ZOOM_OUT:
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SS.GW.scale /= 1.2;
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SS.later.showTW = true;
|
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break;
|
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|
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case MNU_ZOOM_TO_FIT:
|
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SS.GW.ZoomToFit(false);
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SS.later.showTW = true;
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break;
|
||
|
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case MNU_SHOW_GRID:
|
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SS.GW.showSnapGrid = !SS.GW.showSnapGrid;
|
||
if(SS.GW.showSnapGrid && !SS.GW.LockedInWorkplane()) {
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Message("No workplane is active, so the grid will not "
|
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"appear.");
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}
|
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SS.GW.EnsureValidActives();
|
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InvalidateGraphics();
|
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break;
|
||
|
||
case MNU_PERSPECTIVE_PROJ:
|
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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 MNU_ONTO_WORKPLANE:
|
||
if(!SS.GW.LockedInWorkplane()) {
|
||
Error("No workplane is active.");
|
||
break;
|
||
}
|
||
SS.GW.AnimateOntoWorkplane();
|
||
SS.GW.ClearSuper();
|
||
SS.later.showTW = true;
|
||
break;
|
||
|
||
case MNU_NEAREST_ORTHO:
|
||
case MNU_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 == MNU_NEAREST_ORTHO) {
|
||
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 MNU_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 MNU_SHOW_TEXT_WND:
|
||
SS.GW.showTextWindow = !SS.GW.showTextWindow;
|
||
SS.GW.EnsureValidActives();
|
||
break;
|
||
|
||
case MNU_SHOW_TOOLBAR:
|
||
SS.showToolbar = !SS.showToolbar;
|
||
SS.GW.EnsureValidActives();
|
||
InvalidateGraphics();
|
||
break;
|
||
|
||
case MNU_UNITS_MM:
|
||
SS.viewUnits = SolveSpace::UNIT_MM;
|
||
SS.later.showTW = true;
|
||
SS.GW.EnsureValidActives();
|
||
break;
|
||
|
||
case MNU_UNITS_INCHES:
|
||
SS.viewUnits = SolveSpace::UNIT_INCHES;
|
||
SS.later.showTW = true;
|
||
SS.GW.EnsureValidActives();
|
||
break;
|
||
|
||
default: oops();
|
||
}
|
||
InvalidateGraphics();
|
||
}
|
||
|
||
void GraphicsWindow::EnsureValidActives(void) {
|
||
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.group.n; i++) {
|
||
if(SK.group.elem[i].h.v != Group::HGROUP_REFERENCES.v) {
|
||
break;
|
||
}
|
||
}
|
||
if(i >= SK.group.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();
|
||
} else {
|
||
activeGroup = SK.group.elem[i].h;
|
||
}
|
||
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();
|
||
RadioMenuById(MNU_FREE_IN_3D, !locked);
|
||
RadioMenuById(MNU_SEL_WORKPLANE, locked);
|
||
|
||
SS.UndoEnableMenus();
|
||
|
||
switch(SS.viewUnits) {
|
||
case SolveSpace::UNIT_MM:
|
||
case SolveSpace::UNIT_INCHES:
|
||
break;
|
||
default:
|
||
SS.viewUnits = SolveSpace::UNIT_MM;
|
||
break;
|
||
}
|
||
RadioMenuById(MNU_UNITS_MM, SS.viewUnits == SolveSpace::UNIT_MM);
|
||
RadioMenuById(MNU_UNITS_INCHES, SS.viewUnits == SolveSpace::UNIT_INCHES);
|
||
|
||
ShowTextWindow(SS.GW.showTextWindow);
|
||
CheckMenuById(MNU_SHOW_TEXT_WND, SS.GW.showTextWindow);
|
||
|
||
CheckMenuById(MNU_SHOW_TOOLBAR, SS.showToolbar);
|
||
CheckMenuById(MNU_PERSPECTIVE_PROJ, SS.usePerspectiveProj);
|
||
CheckMenuById(MNU_SHOW_GRID, SS.GW.showSnapGrid);
|
||
|
||
if(change) SS.later.showTW = true;
|
||
}
|
||
|
||
void GraphicsWindow::SetWorkplaneFreeIn3d(void) {
|
||
SK.GetGroup(activeGroup)->activeWorkplane = Entity::FREE_IN_3D;
|
||
}
|
||
hEntity GraphicsWindow::ActiveWorkplane(void) {
|
||
Group *g = SK.group.FindByIdNoOops(activeGroup);
|
||
if(g) {
|
||
return g->activeWorkplane;
|
||
} else {
|
||
return Entity::FREE_IN_3D;
|
||
}
|
||
}
|
||
bool GraphicsWindow::LockedInWorkplane(void) {
|
||
return (SS.GW.ActiveWorkplane().v != Entity::FREE_IN_3D.v);
|
||
}
|
||
|
||
void GraphicsWindow::ForceTextWindowShown(void) {
|
||
if(!showTextWindow) {
|
||
showTextWindow = true;
|
||
CheckMenuById(MNU_SHOW_TEXT_WND, true);
|
||
ShowTextWindow(TRUE);
|
||
}
|
||
}
|
||
|
||
void GraphicsWindow::DeleteTaggedRequests(void) {
|
||
// 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(0, INT_MAX);
|
||
EnsureValidActives();
|
||
SS.later.showTW = true;
|
||
}
|
||
|
||
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(int id) {
|
||
switch(id) {
|
||
case MNU_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 == 0)
|
||
{
|
||
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;
|
||
// 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;
|
||
}
|
||
break;
|
||
|
||
case MNU_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.later.showTW = true;
|
||
break;
|
||
}
|
||
|
||
case MNU_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.later.showTW = true;
|
||
break;
|
||
}
|
||
|
||
case MNU_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::IMPORTED) {
|
||
Error("To use this command, select a point or other "
|
||
"entity from an imported part, or make an import "
|
||
"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);
|
||
SS.GenerateAll();
|
||
break;
|
||
}
|
||
|
||
case MNU_SNAP_TO_GRID: {
|
||
if(!SS.GW.LockedInWorkplane()) {
|
||
Error("No workplane is active. Select a workplane to define "
|
||
"the plane for the snap grid.");
|
||
break;
|
||
}
|
||
SS.GW.GroupSelection();
|
||
if(SS.GW.gs.points == 0 && SS.GW.gs.comments == 0) {
|
||
Error("Can't snap these items to grid; select points or "
|
||
"text comments. 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);
|
||
if(c->type != Constraint::COMMENT) continue;
|
||
|
||
c->disp.offset = SS.GW.SnapToGrid(c->disp.offset);
|
||
}
|
||
}
|
||
// Regenerate, with these points marked as dragged so that they
|
||
// get placed as close as possible to our snap grid.
|
||
SS.GenerateAll();
|
||
SS.GW.ClearPending();
|
||
|
||
SS.GW.ClearSelection();
|
||
InvalidateGraphics();
|
||
break;
|
||
}
|
||
|
||
case MNU_UNDO:
|
||
SS.UndoUndo();
|
||
break;
|
||
|
||
case MNU_REDO:
|
||
SS.UndoRedo();
|
||
break;
|
||
|
||
case MNU_REGEN_ALL:
|
||
SS.ReloadAllImported();
|
||
SS.GenerateAll(0, INT_MAX);
|
||
SS.later.showTW = true;
|
||
break;
|
||
|
||
default: oops();
|
||
}
|
||
}
|
||
|
||
void GraphicsWindow::MenuRequest(int id) {
|
||
const char *s;
|
||
switch(id) {
|
||
case MNU_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::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.later.showTW = true;
|
||
break;
|
||
}
|
||
case MNU_FREE_IN_3D:
|
||
SS.GW.SetWorkplaneFreeIn3d();
|
||
SS.GW.EnsureValidActives();
|
||
SS.later.showTW = true;
|
||
InvalidateGraphics();
|
||
break;
|
||
|
||
case MNU_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 "
|
||
"parameters.");
|
||
} else {
|
||
SS.TW.GoToScreen(TextWindow::SCREEN_TANGENT_ARC);
|
||
SS.GW.ForceTextWindowShown();
|
||
SS.later.showTW = true;
|
||
}
|
||
break;
|
||
|
||
case MNU_ARC: s = "click point on arc (draws anti-clockwise)"; goto c;
|
||
case MNU_DATUM_POINT: s = "click to place datum point"; goto c;
|
||
case MNU_LINE_SEGMENT: s = "click first point of line segment"; goto c;
|
||
case MNU_CUBIC: s = "click first point of cubic segment"; goto c;
|
||
case MNU_CIRCLE: s = "click center of circle"; goto c;
|
||
case MNU_WORKPLANE: s = "click origin of workplane"; goto c;
|
||
case MNU_RECTANGLE: s = "click one corner of rectangle"; goto c;
|
||
case MNU_TTF_TEXT: s = "click top left of text"; goto c;
|
||
c:
|
||
SS.GW.pending.operation = id;
|
||
SS.GW.pending.description = s;
|
||
SS.later.showTW = true;
|
||
break;
|
||
|
||
case MNU_CONSTRUCTION: {
|
||
SS.UndoRemember();
|
||
SS.GW.GroupSelection();
|
||
if(SS.GW.gs.entities == 0) {
|
||
Error("No entities are selected. Select entities before "
|
||
"trying to toggle their construction state.");
|
||
}
|
||
int i;
|
||
for(i = 0; i < SS.GW.gs.entities; i++) {
|
||
hEntity he = SS.GW.gs.entity[i];
|
||
if(!he.isFromRequest()) continue;
|
||
Request *r = SK.GetRequest(he.request());
|
||
r->construction = !(r->construction);
|
||
SS.MarkGroupDirty(r->group);
|
||
}
|
||
SS.GW.ClearSelection();
|
||
SS.GenerateAll();
|
||
break;
|
||
}
|
||
|
||
case MNU_SPLIT_CURVES:
|
||
SS.GW.SplitLinesOrCurves();
|
||
break;
|
||
|
||
default: oops();
|
||
}
|
||
}
|
||
|
||
void GraphicsWindow::ClearSuper(void) {
|
||
HideGraphicsEditControl();
|
||
ClearPending();
|
||
ClearSelection();
|
||
hover.Clear();
|
||
EnsureValidActives();
|
||
}
|
||
|
||
void GraphicsWindow::ToggleBool(bool *v) {
|
||
*v = !*v;
|
||
|
||
// The faces are shown as special stippling on the shaded triangle mesh,
|
||
// so not meaningful to show them and hide the shaded.
|
||
if(!showShaded) showFaces = false;
|
||
|
||
// We might need to regenerate the mesh and edge list, since the edges
|
||
// wouldn't have been generated if they were previously hidden.
|
||
if(showEdges) (SK.GetGroup(activeGroup))->displayDirty = true;
|
||
|
||
SS.GenerateAll();
|
||
InvalidateGraphics();
|
||
SS.later.showTW = true;
|
||
}
|
||
|