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solvespace/src/ui.h

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//-----------------------------------------------------------------------------
// Declarations relating to our user interface, in both the graphics and
// text browser window.
//
// Copyright 2008-2013 Jonathan Westhues.
//-----------------------------------------------------------------------------
#ifndef __UI_H
#define __UI_H
// This table describes the top-level menus in the graphics winodw.
enum class Command : uint32_t {
NONE = 0,
// File
NEW = 100,
OPEN,
OPEN_RECENT,
SAVE,
SAVE_AS,
EXPORT_PNG,
EXPORT_MESH,
EXPORT_SURFACES,
EXPORT_VIEW,
EXPORT_SECTION,
EXPORT_WIREFRAME,
IMPORT,
EXIT,
// View
ZOOM_IN,
ZOOM_OUT,
ZOOM_TO_FIT,
SHOW_GRID,
PERSPECTIVE_PROJ,
ONTO_WORKPLANE,
NEAREST_ORTHO,
NEAREST_ISO,
CENTER_VIEW,
SHOW_MENU_BAR,
SHOW_TOOLBAR,
SHOW_TEXT_WND,
UNITS_INCHES,
UNITS_MM,
FULL_SCREEN,
// Edit
UNDO,
REDO,
CUT,
COPY,
PASTE,
PASTE_TRANSFORM,
DELETE,
SELECT_CHAIN,
SELECT_ALL,
SNAP_TO_GRID,
ROTATE_90,
UNSELECT_ALL,
REGEN_ALL,
// Request
SEL_WORKPLANE,
FREE_IN_3D,
DATUM_POINT,
WORKPLANE,
LINE_SEGMENT,
CONSTR_SEGMENT,
CIRCLE,
ARC,
RECTANGLE,
CUBIC,
TTF_TEXT,
SPLIT_CURVES,
TANGENT_ARC,
CONSTRUCTION,
// Group
GROUP_3D,
GROUP_WRKPL,
GROUP_EXTRUDE,
GROUP_LATHE,
GROUP_ROT,
GROUP_TRANS,
GROUP_LINK,
GROUP_RECENT,
// Constrain
DISTANCE_DIA,
REF_DISTANCE,
ANGLE,
REF_ANGLE,
OTHER_ANGLE,
REFERENCE,
EQUAL,
RATIO,
DIFFERENCE,
ON_ENTITY,
SYMMETRIC,
AT_MIDPOINT,
HORIZONTAL,
VERTICAL,
PARALLEL,
PERPENDICULAR,
ORIENTED_SAME,
WHERE_DRAGGED,
COMMENT,
// Analyze
VOLUME,
AREA,
PERIMETER,
INTERFERENCE,
NAKED_EDGES,
SHOW_DOF,
TRACE_PT,
STOP_TRACING,
STEP_DIM,
// Help
WEBSITE,
ABOUT,
// Recent
RECENT_OPEN = 0xf000,
RECENT_LINK = 0xf100,
};
enum class ContextCommand : uint32_t {
CANCELLED,
SUBMENU,
SEPARATOR,
UNSELECT_ALL,
UNSELECT_HOVERED,
CUT_SEL,
COPY_SEL,
PASTE,
PASTE_XFRM,
DELETE_SEL,
SELECT_CHAIN,
NEW_CUSTOM_STYLE,
NO_STYLE,
GROUP_INFO,
STYLE_INFO,
REFERENCE_DIM,
OTHER_ANGLE,
DEL_COINCIDENT,
SNAP_TO_GRID,
REMOVE_SPLINE_PT,
ADD_SPLINE_PT,
FIRST_STYLE = 0x40000000
};
class Button;
class TextWindow {
public:
enum {
MAX_COLS = 100,
MIN_COLS = 45,
MAX_ROWS = 2000
};
typedef struct {
char c;
RgbaColor color;
} Color;
static const Color fgColors[];
static const Color bgColors[];
float bgColorTable[256*3];
float fgColorTable[256*3];
enum {
CHAR_WIDTH = 9,
CHAR_HEIGHT = 16,
LINE_HEIGHT = 20,
LEFT_MARGIN = 6,
};
#define CHECK_FALSE "\xEE\x80\x80" // U+E000
#define CHECK_TRUE "\xEE\x80\x81"
#define RADIO_FALSE "\xEE\x80\x82"
#define RADIO_TRUE "\xEE\x80\x83"
int scrollPos; // The scrollbar position, in half-row units
int halfRows; // The height of our window, in half-row units
uint32_t text[MAX_ROWS][MAX_COLS];
typedef void LinkFunction(int link, uint32_t v);
enum { NOT_A_LINK = 0 };
struct {
char fg;
char bg;
RgbaColor bgRgb;
int link;
uint32_t data;
LinkFunction *f;
LinkFunction *h;
} meta[MAX_ROWS][MAX_COLS];
int hoveredRow, hoveredCol;
int top[MAX_ROWS]; // in half-line units, or -1 for unused
int rows;
// The row of icons at the top of the text window, to hide/show things
void Draw(Canvas *canvas);
// These are called by the platform-specific code.
void Paint();
void MouseEvent(bool isClick, bool leftDown, double x, double y);
void MouseScroll(double x, double y, int delta);
void MouseLeave();
void ScrollbarEvent(int newPos);
enum DrawOrHitHow : uint32_t {
PAINT = 0,
HOVER = 1,
CLICK = 2
};
void DrawOrHitTestIcons(UiCanvas *canvas, DrawOrHitHow how,
double mx, double my);
void TimerCallback();
Point2d oldMousePos;
Button *hoveredButton, *tooltippedButton;
Vector HsvToRgb(Vector hsv);
std::shared_ptr<Pixmap> HsvPattern2d(int w, int h);
std::shared_ptr<Pixmap> HsvPattern1d(double hue, double sat, int w, int h);
void ColorPickerDone();
bool DrawOrHitTestColorPicker(UiCanvas *canvas, DrawOrHitHow how,
bool leftDown, double x, double y);
void Init();
void MakeColorTable(const Color *in, float *out);
void Printf(bool half, const char *fmt, ...);
void ClearScreen();
void Show();
// State for the screen that we are showing in the text window.
enum class Screen : uint32_t {
LIST_OF_GROUPS = 0,
GROUP_INFO = 1,
GROUP_SOLVE_INFO = 2,
CONFIGURATION = 3,
STEP_DIMENSION = 4,
LIST_OF_STYLES = 5,
STYLE_INFO = 6,
PASTE_TRANSFORMED = 7,
EDIT_VIEW = 8,
TANGENT_ARC = 9
};
typedef struct {
Screen screen;
hGroup group;
hStyle style;
hConstraint constraint;
bool dimIsDistance;
double dimFinish;
int dimSteps;
struct {
int times;
Vector trans;
double theta;
Vector origin;
double scale;
} paste;
} ShownState;
ShownState shown;
enum class Edit : uint32_t {
NOTHING = 0,
// For multiple groups
TIMES_REPEATED = 1,
GROUP_NAME = 2,
GROUP_SCALE = 3,
GROUP_COLOR = 4,
GROUP_OPACITY = 5,
// For the configuraiton screen
LIGHT_DIRECTION = 100,
LIGHT_INTENSITY = 101,
COLOR = 102,
CHORD_TOLERANCE = 103,
MAX_SEGMENTS = 104,
CAMERA_TANGENT = 105,
GRID_SPACING = 106,
DIGITS_AFTER_DECIMAL = 107,
EXPORT_SCALE = 108,
EXPORT_OFFSET = 109,
CANVAS_SIZE = 110,
G_CODE_DEPTH = 120,
G_CODE_PASSES = 121,
G_CODE_FEED = 122,
G_CODE_PLUNGE_FEED = 123,
AUTOSAVE_INTERVAL = 124,
// For TTF text
TTF_TEXT = 300,
// For the step dimension screen
STEP_DIM_FINISH = 400,
STEP_DIM_STEPS = 401,
// For the styles stuff
STYLE_WIDTH = 500,
STYLE_TEXT_HEIGHT = 501,
STYLE_TEXT_ANGLE = 502,
STYLE_COLOR = 503,
STYLE_FILL_COLOR = 504,
STYLE_NAME = 505,
BACKGROUND_COLOR = 506,
BACKGROUND_IMG_SCALE = 507,
STYLE_STIPPLE_PERIOD = 508,
// For paste transforming
PASTE_TIMES_REPEATED = 600,
PASTE_ANGLE = 601,
PASTE_SCALE = 602,
// For view
VIEW_SCALE = 700,
VIEW_ORIGIN = 701,
VIEW_PROJ_RIGHT = 702,
VIEW_PROJ_UP = 703,
// For tangent arc
TANGENT_ARC_RADIUS = 800
};
struct {
bool showAgain;
Edit meaning;
int i;
hGroup group;
hRequest request;
hStyle style;
} edit;
static void ReportHowGroupSolved(hGroup hg);
struct {
int halfRow;
int col;
struct {
RgbaColor rgb;
double h, s, v;
bool show;
bool picker1dActive;
bool picker2dActive;
} colorPicker;
} editControl;
void HideEditControl();
void ShowEditControl(int col, const std::string &str, int halfRow = -1);
void ShowEditControlWithColorPicker(int col, RgbaColor rgb);
void ClearSuper();
void ShowHeader(bool withNav);
// These are self-contained screens, that show some information about
// the sketch.
void ShowListOfGroups();
void ShowGroupInfo();
void ShowGroupSolveInfo();
void ShowConfiguration();
void ShowListOfStyles();
void ShowStyleInfo();
void ShowStepDimension();
void ShowPasteTransformed();
void ShowEditView();
void ShowTangentArc();
// Special screen, based on selection
void DescribeSelection();
void GoToScreen(Screen screen);
// All of these are callbacks from the GUI code; first from when
// we're describing an entity
static void ScreenEditTtfText(int link, uint32_t v);
static void ScreenSetTtfFont(int link, uint32_t v);
static void ScreenUnselectAll(int link, uint32_t v);
// when we're describing a constraint
static void ScreenConstraintShowAsRadius(int link, uint32_t v);
// and the rest from the stuff in textscreens.cpp
static void ScreenSelectGroup(int link, uint32_t v);
static void ScreenActivateGroup(int link, uint32_t v);
static void ScreenToggleGroupShown(int link, uint32_t v);
static void ScreenHowGroupSolved(int link, uint32_t v);
static void ScreenShowGroupsSpecial(int link, uint32_t v);
static void ScreenDeleteGroup(int link, uint32_t v);
static void ScreenHoverConstraint(int link, uint32_t v);
static void ScreenHoverRequest(int link, uint32_t v);
static void ScreenSelectRequest(int link, uint32_t v);
static void ScreenSelectConstraint(int link, uint32_t v);
static void ScreenChangeGroupOption(int link, uint32_t v);
static void ScreenColor(int link, uint32_t v);
static void ScreenOpacity(int link, uint32_t v);
static void ScreenShowListOfStyles(int link, uint32_t v);
static void ScreenShowStyleInfo(int link, uint32_t v);
static void ScreenDeleteStyle(int link, uint32_t v);
static void ScreenChangeStylePatternType(int link, uint32_t v);
static void ScreenChangeStyleYesNo(int link, uint32_t v);
static void ScreenCreateCustomStyle(int link, uint32_t v);
static void ScreenLoadFactoryDefaultStyles(int link, uint32_t v);
static void ScreenAssignSelectionToStyle(int link, uint32_t v);
static void ScreenBackgroundImage(int link, uint32_t v);
static void ScreenShowConfiguration(int link, uint32_t v);
static void ScreenShowEditView(int link, uint32_t v);
static void ScreenGoToWebsite(int link, uint32_t v);
static void ScreenChangeFixExportColors(int link, uint32_t v);
static void ScreenChangeBackFaces(int link, uint32_t v);
static void ScreenChangeCheckClosedContour(int link, uint32_t v);
static void ScreenChangePwlCurves(int link, uint32_t v);
static void ScreenChangeCanvasSizeAuto(int link, uint32_t v);
static void ScreenChangeCanvasSize(int link, uint32_t v);
static void ScreenChangeShadedTriangles(int link, uint32_t v);
static void ScreenAllowRedundant(int link, uint32_t v);
static void ScreenStepDimSteps(int link, uint32_t v);
static void ScreenStepDimFinish(int link, uint32_t v);
static void ScreenStepDimGo(int link, uint32_t v);
static void ScreenChangeTangentArc(int link, uint32_t v);
static void ScreenPasteTransformed(int link, uint32_t v);
static void ScreenHome(int link, uint32_t v);
// These ones do stuff with the edit control
static void ScreenChangeExprA(int link, uint32_t v);
static void ScreenChangeGroupName(int link, uint32_t v);
static void ScreenChangeGroupScale(int link, uint32_t v);
static void ScreenChangeLightDirection(int link, uint32_t v);
static void ScreenChangeLightIntensity(int link, uint32_t v);
static void ScreenChangeColor(int link, uint32_t v);
static void ScreenChangeChordTolerance(int link, uint32_t v);
static void ScreenChangeMaxSegments(int link, uint32_t v);
static void ScreenChangeExportChordTolerance(int link, uint32_t v);
static void ScreenChangeExportMaxSegments(int link, uint32_t v);
static void ScreenChangeCameraTangent(int link, uint32_t v);
static void ScreenChangeGridSpacing(int link, uint32_t v);
static void ScreenChangeDigitsAfterDecimal(int link, uint32_t v);
static void ScreenChangeExportScale(int link, uint32_t v);
static void ScreenChangeExportOffset(int link, uint32_t v);
static void ScreenChangeGCodeParameter(int link, uint32_t v);
static void ScreenChangeAutosaveInterval(int link, uint32_t v);
static void ScreenChangeStyleName(int link, uint32_t v);
static void ScreenChangeStyleMetric(int link, uint32_t v);
static void ScreenChangeStyleTextAngle(int link, uint32_t v);
static void ScreenChangeStyleColor(int link, uint32_t v);
static void ScreenChangeBackgroundColor(int link, uint32_t v);
static void ScreenChangeBackgroundImageScale(int link, uint32_t v);
static void ScreenChangePasteTransformed(int link, uint32_t v);
static void ScreenChangeViewScale(int link, uint32_t v);
static void ScreenChangeViewToFullScale(int link, uint32_t v);
static void ScreenChangeViewOrigin(int link, uint32_t v);
static void ScreenChangeViewProjection(int link, uint32_t v);
bool EditControlDoneForStyles(const char *s);
bool EditControlDoneForConfiguration(const char *s);
bool EditControlDoneForPaste(const char *s);
bool EditControlDoneForView(const char *s);
void EditControlDone(const char *s);
};
class GraphicsWindow {
public:
void Init();
typedef void MenuHandler(Command id);
enum {
ESCAPE_KEY = 27,
DELETE_KEY = 127,
FUNCTION_KEY_BASE = 0xf0
};
enum {
SHIFT_MASK = 0x100,
CTRL_MASK = 0x200
};
enum class MenuKind : uint32_t {
NORMAL = 0,
CHECK,
RADIO
};
typedef struct {
int level; // 0 == on menu bar, 1 == one level down
const char *label; // or NULL for a separator
Command id; // unique ID
int accel; // keyboard accelerator
MenuKind kind;
MenuHandler *fn;
} MenuEntry;
static const MenuEntry menu[];
static void MenuView(Command id);
static void MenuEdit(Command id);
static void MenuRequest(Command id);
void DeleteSelection();
void CopySelection();
void PasteClipboard(Vector trans, double theta, double scale);
static void MenuClipboard(Command id);
// The width and height (in pixels) of the window.
double width, height;
// These parameters define the map from 2d screen coordinates to the
// coordinates of the 3d sketch points. We will use an axonometric
// projection.
Vector offset;
Vector projRight;
Vector projUp;
double scale;
struct {
bool mouseDown;
Vector offset;
Vector projRight;
Vector projUp;
Point2d mouse;
Point2d mouseOnButtonDown;
Vector marqueePoint;
bool startedMoving;
} orig;
// We need to detect when the projection is changed to invalidate
// caches for drawn items.
struct {
Vector offset;
Vector projRight;
Vector projUp;
double scale;
} cached;
// Most recent mouse position, updated every time the mouse moves.
Point2d currentMousePosition;
// When the user is dragging a point, don't solve multiple times without
// allowing a paint in between. The extra solves are wasted if they're
// not displayed.
bool havePainted;
// Some state for the context menu.
struct {
bool active;
} context;
Camera GetCamera() const;
Lighting GetLighting() const;
void NormalizeProjectionVectors();
Point2d ProjectPoint(Vector p);
Vector ProjectPoint3(Vector p);
Vector ProjectPoint4(Vector p, double *w);
Vector UnProjectPoint(Point2d p);
Vector UnProjectPoint3(Vector p);
void AnimateOnto(Quaternion quatf, Vector offsetf);
void AnimateOntoWorkplane();
Vector VectorFromProjs(Vector rightUpForward);
void HandlePointForZoomToFit(Vector p, Point2d *pmax, Point2d *pmin,
double *wmin, bool usePerspective);
void 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);
void ZoomToFit(bool includingInvisibles, bool useSelection = false);
hGroup activeGroup;
void EnsureValidActives();
bool LockedInWorkplane();
void SetWorkplaneFreeIn3d();
hEntity ActiveWorkplane();
void ForceTextWindowShown();
// Operations that must be completed by doing something with the mouse
// are noted here.
enum class Pending : uint32_t {
NONE = 0,
COMMAND = 1,
DRAGGING_POINTS = 2,
DRAGGING_NEW_POINT = 3,
DRAGGING_NEW_LINE_POINT = 4,
DRAGGING_NEW_CUBIC_POINT = 5,
DRAGGING_NEW_ARC_POINT = 6,
DRAGGING_CONSTRAINT = 7,
DRAGGING_RADIUS = 8,
DRAGGING_NORMAL = 9,
DRAGGING_NEW_RADIUS = 10,
DRAGGING_MARQUEE = 11,
};
struct {
Pending operation;
Command command;
hRequest request;
hEntity point;
List<hEntity> points;
hEntity circle;
hEntity normal;
hConstraint constraint;
const char *description;
bool hasSuggestion;
Constraint::Type suggestion;
} pending;
void ClearPending();
// The constraint that is being edited with the on-screen textbox.
hConstraint constraintBeingEdited;
bool SuggestLineConstraint(hRequest lineSegment, ConstraintBase::Type *type);
Vector SnapToGrid(Vector p);
bool ConstrainPointByHovered(hEntity pt);
void DeleteTaggedRequests();
hRequest AddRequest(Request::Type type, bool rememberForUndo);
hRequest AddRequest(Request::Type type);
class ParametricCurve {
public:
bool isLine; // else circle
Vector p0, p1;
Vector u, v;
double r, theta0, theta1, dtheta;
void MakeFromEntity(hEntity he, bool reverse);
Vector PointAt(double t);
Vector TangentAt(double t);
double LengthForAuto();
hRequest CreateRequestTrimmedTo(double t, bool extraConstraints,
hEntity orig, hEntity arc, bool arcFinish);
void ConstrainPointIfCoincident(hEntity hpt);
};
void MakeTangentArc();
void SplitLinesOrCurves();
hEntity SplitEntity(hEntity he, Vector pinter);
hEntity SplitLine(hEntity he, Vector pinter);
hEntity SplitCircle(hEntity he, Vector pinter);
hEntity SplitCubic(hEntity he, Vector pinter);
void ReplacePointInConstraints(hEntity oldpt, hEntity newpt);
void RemoveConstraintsForPointBeingDeleted(hEntity hpt);
void FixConstraintsForRequestBeingDeleted(hRequest hr);
void FixConstraintsForPointBeingDeleted(hEntity hpt);
// The current selection.
class Selection {
public:
int tag;
hEntity entity;
hConstraint constraint;
bool emphasized;
void Draw(bool isHovered, Canvas *canvas);
void Clear();
bool IsEmpty();
bool Equals(Selection *b);
bool HasEndpoints();
};
Selection hover;
bool hoverWasSelectedOnMousedown;
List<Selection> selection;
void HitTestMakeSelection(Point2d mp);
void ClearSelection();
void ClearNonexistentSelectionItems();
struct {
std::vector<hEntity> point;
std::vector<hEntity> entity;
std::vector<hEntity> anyNormal;
std::vector<hEntity> vector;
std::vector<hEntity> face;
std::vector<hConstraint> constraint;
int points;
int entities;
int workplanes;
int faces;
int lineSegments;
int circlesOrArcs;
int arcs;
int cubics;
int periodicCubics;
int anyNormals;
int vectors;
int constraints;
int stylables;
int constraintLabels;
int withEndpoints;
int n;
} gs;
void GroupSelection();
bool IsSelected(Selection *s);
bool IsSelected(hEntity he);
void MakeSelected(hEntity he);
void MakeSelected(hConstraint hc);
void MakeSelected(Selection *s);
void MakeUnselected(hEntity he, bool coincidentPointTrick);
void MakeUnselected(Selection *s, bool coincidentPointTrick);
void SelectByMarquee();
void ClearSuper();
void ContextMenuListStyles();
int64_t contextMenuCancelTime;
// The toolbar, in toolbar.cpp
bool ToolbarDrawOrHitTest(int x, int y, UiCanvas *canvas, Command *menuHit);
void ToolbarDraw(UiCanvas *canvas);
bool ToolbarMouseMoved(int x, int y);
bool ToolbarMouseDown(int x, int y);
static void TimerCallback();
Command toolbarHovered;
Command toolbarTooltipped;
int toolbarMouseX, toolbarMouseY;
// This sets what gets displayed.
bool showWorkplanes;
bool showNormals;
bool showPoints;
bool showConstraints;
bool showTextWindow;
bool showShaded;
bool showEdges;
bool showOutlines;
bool showFaces;
bool showMesh;
void ToggleBool(bool *v);
enum class DrawOccludedAs { INVISIBLE, STIPPLED, VISIBLE };
DrawOccludedAs drawOccludedAs;
bool showSnapGrid;
void DrawSnapGrid(Canvas *canvas);
void AddPointToDraggedList(hEntity hp);
void StartDraggingByEntity(hEntity he);
void StartDraggingBySelection();
void UpdateDraggedNum(Vector *pos, double mx, double my);
void UpdateDraggedPoint(hEntity hp, double mx, double my);
void DrawPersistent(Canvas *canvas);
void Draw(Canvas *canvas);
// These are called by the platform-specific code.
void Paint();
void MouseMoved(double x, double y, bool leftDown, bool middleDown,
bool rightDown, bool shiftDown, bool ctrlDown);
void MouseLeftDown(double x, double y);
void MouseLeftUp(double x, double y);
void MouseLeftDoubleClick(double x, double y);
void MouseMiddleOrRightDown(double x, double y);
void MouseRightUp(double x, double y);
void MouseScroll(double x, double y, int delta);
void MouseLeave();
bool KeyDown(int c);
void EditControlDone(const char *s);
int64_t lastSpaceNavigatorTime;
hGroup lastSpaceNavigatorGroup;
void SpaceNavigatorMoved(double tx, double ty, double tz,
double rx, double ry, double rz, bool shiftDown);
void SpaceNavigatorButtonUp();
};
#endif
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