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2bb0cd285ac73fb25396d53f7f52db6f3ca77b63
wxWidgets/utils/ogl/src/basic.h
Julian Smart 2bb0cd285a Various bug fixes to OGL; wxStripExtension prototype added to filefn.h 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@437 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1998-08-05 07:13:08 +00:00

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24 KiB
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/////////////////////////////////////////////////////////////////////////////
// Name: basic.h
// Purpose: Basic OGL classes and definitions
// Author: Julian Smart
// Modified by:
// Created: 12/07/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _OGL_BASIC_H_
#define _OGL_BASIC_H_
#ifdef __GNUG__
#pragma interface "basic.h"
#endif
#define OGL_VERSION 2.0
#ifndef DEFAULT_MOUSE_TOLERANCE
#define DEFAULT_MOUSE_TOLERANCE 3
#endif
// Edit these lines if you positively don't want PROLOGIO support
#ifndef PROLOGIO
#define PROLOGIO
#endif
// Key identifiers
#define KEY_SHIFT 1
#define KEY_CTRL 2
// Arrow styles
#define ARROW_NONE 0
#define ARROW_END 1
#define ARROW_BOTH 2
#define ARROW_MIDDLE 3
#define ARROW_START 4
// Control point types
// Rectangle and most other shapes
#define CONTROL_POINT_VERTICAL 1
#define CONTROL_POINT_HORIZONTAL 2
#define CONTROL_POINT_DIAGONAL 3
// Line
#define CONTROL_POINT_ENDPOINT_TO 4
#define CONTROL_POINT_ENDPOINT_FROM 5
#define CONTROL_POINT_LINE 6
// Types of formatting: can be combined in a bit list
#define FORMAT_NONE 0
// Left justification
#define FORMAT_CENTRE_HORIZ 1
// Centre horizontally
#define FORMAT_CENTRE_VERT 2
// Centre vertically
#define FORMAT_SIZE_TO_CONTENTS 4
// Resize shape to contents
// Shadow mode
#define SHADOW_NONE 0
#define SHADOW_LEFT 1
#define SHADOW_RIGHT 2
/*
* Declare types
*
*/
#define SHAPE_BASIC wxTYPE_USER + 1
#define SHAPE_RECTANGLE wxTYPE_USER + 2
#define SHAPE_ELLIPSE wxTYPE_USER + 3
#define SHAPE_POLYGON wxTYPE_USER + 4
#define SHAPE_CIRCLE wxTYPE_USER + 5
#define SHAPE_LINE wxTYPE_USER + 6
#define SHAPE_DIVIDED_RECTANGLE wxTYPE_USER + 8
#define SHAPE_COMPOSITE wxTYPE_USER + 9
#define SHAPE_CONTROL_POINT wxTYPE_USER + 10
#define SHAPE_DRAWN wxTYPE_USER + 11
#define SHAPE_DIVISION wxTYPE_USER + 12
#define SHAPE_LABEL_OBJECT wxTYPE_USER + 13
#define SHAPE_BITMAP wxTYPE_USER + 14
#define SHAPE_DIVIDED_OBJECT_CONTROL_POINT wxTYPE_USER + 15
#define OBJECT_REGION wxTYPE_USER + 20
#define OP_CLICK_LEFT 1
#define OP_CLICK_RIGHT 2
#define OP_DRAG_LEFT 4
#define OP_DRAG_RIGHT 8
#define OP_ALL (OP_CLICK_LEFT | OP_CLICK_RIGHT | OP_DRAG_LEFT | OP_DRAG_RIGHT)
class wxShapeTextLine;
class wxShapeCanvas;
class wxLineShape;
class wxControlPoint;
class wxShapeRegion;
class wxShape;
#ifdef PROLOGIO
class WXDLLEXPORT wxExpr;
class WXDLLEXPORT wxExprDatabase;
#endif
class wxShapeEvtHandler: public wxObject
{
DECLARE_DYNAMIC_CLASS(wxShapeEvtHandler)
public:
wxShapeEvtHandler(wxShapeEvtHandler *prev = NULL, wxShape *shape = NULL);
virtual ~wxShapeEvtHandler();
inline void SetShape(wxShape *sh) { m_handlerShape = sh; }
inline wxShape *GetShape() const { return m_handlerShape; }
inline void SetPreviousHandler(wxShapeEvtHandler* handler) { m_previousHandler = handler; }
inline wxShapeEvtHandler* GetPreviousHandler() const { return m_previousHandler; }
// This is called when the _shape_ is deleted.
virtual void OnDelete();
virtual void OnDraw(wxDC& dc);
virtual void OnDrawContents(wxDC& dc);
virtual void OnMoveLinks(wxDC& dc);
virtual void OnErase(wxDC& dc);
virtual void OnEraseContents(wxDC& dc);
virtual void OnHighlight(wxDC& dc);
virtual void OnLeftClick(float x, float y, int keys = 0, int attachment = 0);
virtual void OnRightClick(float x, float y, int keys = 0, int attachment = 0);
virtual void OnSize(float x, float y);
virtual bool OnMovePre(wxDC& dc, float x, float y, float old_x, float old_y, bool display = TRUE);
virtual void OnMovePost(wxDC& dc, float x, float y, float old_x, float old_y, bool display = TRUE);
virtual void OnDragLeft(bool draw, float x, float y, int keys=0, int attachment = 0); // Erase if draw false
virtual void OnBeginDragLeft(float x, float y, int keys=0, int attachment = 0);
virtual void OnEndDragLeft(float x, float y, int keys=0, int attachment = 0);
virtual void OnDragRight(bool draw, float x, float y, int keys=0, int attachment = 0); // Erase if draw false
virtual void OnBeginDragRight(float x, float y, int keys=0, int attachment = 0);
virtual void OnEndDragRight(float x, float y, int keys=0, int attachment = 0);
virtual void OnDrawOutline(wxDC& dc, float x, float y, float w, float h);
virtual void OnDrawControlPoints(wxDC& dc);
virtual void OnEraseControlPoints(wxDC& dc);
virtual void OnMoveLink(wxDC& dc, bool moveControlPoints = TRUE);
// Control points ('handles') redirect control to the actual shape, to make it easier
// to override sizing behaviour.
virtual void OnSizingDragLeft(wxControlPoint* pt, bool draw, float x, float y, int keys=0, int attachment = 0); // Erase if draw false
virtual void OnSizingBeginDragLeft(wxControlPoint* pt, float x, float y, int keys=0, int attachment = 0);
virtual void OnSizingEndDragLeft(wxControlPoint* pt, float x, float y, int keys=0, int attachment = 0);
virtual void OnBeginSize(float WXUNUSED(w), float WXUNUSED(h)) { }
virtual void OnEndSize(float WXUNUSED(w), float WXUNUSED(h)) { }
// Creates a copy of this event handler.
wxShapeEvtHandler *CreateNewCopy();
// Does the copy - override for new event handlers which might store
// app-specific data.
virtual void CopyData(wxShapeEvtHandler& copy) {};
private:
wxShapeEvtHandler* m_previousHandler;
wxShape* m_handlerShape;
};
class wxShape: public wxShapeEvtHandler
{
DECLARE_ABSTRACT_CLASS(wxShape)
public:
wxShape(wxShapeCanvas *can = NULL);
virtual ~wxShape();
virtual void GetBoundingBoxMax(float *width, float *height);
virtual void GetBoundingBoxMin(float *width, float *height) = 0;
virtual bool GetPerimeterPoint(float x1, float y1,
float x2, float y2,
float *x3, float *y3);
inline wxShapeCanvas *GetCanvas() { return m_canvas; }
void SetCanvas(wxShapeCanvas *the_canvas);
virtual void AddToCanvas(wxShapeCanvas *the_canvas, wxShape *addAfter = NULL);
virtual void InsertInCanvas(wxShapeCanvas *the_canvas);
virtual void RemoveFromCanvas(wxShapeCanvas *the_canvas);
inline float GetX() const { return m_xpos; }
inline float GetY() const { return m_ypos; }
inline void SetX(float x) { m_xpos = x; }
inline void SetY(float y) { m_ypos = y; }
inline wxShape *GetParent() const { return m_parent; }
inline void SetParent(wxShape *p) { m_parent = p; }
wxShape *GetTopAncestor();
inline wxList& GetChildren() { return m_children; }
virtual void OnDraw(wxDC& dc);
virtual void OnDrawContents(wxDC& dc);
virtual void OnMoveLinks(wxDC& dc);
virtual void Unlink() { };
void SetDrawHandles(bool drawH);
inline bool GetDrawHandles() { return m_drawHandles; }
virtual void OnErase(wxDC& dc);
virtual void OnEraseContents(wxDC& dc);
virtual void OnHighlight(wxDC& dc);
virtual void OnLeftClick(float x, float y, int keys = 0, int attachment = 0);
virtual void OnRightClick(float x, float y, int keys = 0, int attachment = 0);
virtual void OnSize(float x, float y);
virtual bool OnMovePre(wxDC& dc, float x, float y, float old_x, float old_y, bool display = TRUE);
virtual void OnMovePost(wxDC& dc, float x, float y, float old_x, float old_y, bool display = TRUE);
virtual void OnDragLeft(bool draw, float x, float y, int keys=0, int attachment = 0); // Erase if draw false
virtual void OnBeginDragLeft(float x, float y, int keys=0, int attachment = 0);
virtual void OnEndDragLeft(float x, float y, int keys=0, int attachment = 0);
virtual void OnDragRight(bool draw, float x, float y, int keys=0, int attachment = 0); // Erase if draw false
virtual void OnBeginDragRight(float x, float y, int keys=0, int attachment = 0);
virtual void OnEndDragRight(float x, float y, int keys=0, int attachment = 0);
virtual void OnDrawOutline(wxDC& dc, float x, float y, float w, float h);
virtual void OnDrawControlPoints(wxDC& dc);
virtual void OnEraseControlPoints(wxDC& dc);
virtual void OnBeginSize(float WXUNUSED(w), float WXUNUSED(h)) { }
virtual void OnEndSize(float WXUNUSED(w), float WXUNUSED(h)) { }
// Control points ('handles') redirect control to the actual shape, to make it easier
// to override sizing behaviour.
virtual void OnSizingDragLeft(wxControlPoint* pt, bool draw, float x, float y, int keys=0, int attachment = 0); // Erase if draw false
virtual void OnSizingBeginDragLeft(wxControlPoint* pt, float x, float y, int keys=0, int attachment = 0);
virtual void OnSizingEndDragLeft(wxControlPoint* pt, float x, float y, int keys=0, int attachment = 0);
virtual void MakeControlPoints();
virtual void DeleteControlPoints(wxDC *dc = NULL);
virtual void ResetControlPoints();
inline wxShapeEvtHandler *GetEventHandler() { return m_eventHandler; }
inline void SetEventHandler(wxShapeEvtHandler *handler) { m_eventHandler = handler; }
// Mandatory control points, e.g. the divided line moving handles
// should appear even if a child of the 'selected' image
virtual void MakeMandatoryControlPoints();
virtual void ResetMandatoryControlPoints();
inline virtual bool Recompute() { return TRUE; };
// Calculate size recursively, if size changes. Size might depend on children.
inline virtual void CalculateSize() { };
virtual void Select(bool select = TRUE, wxDC* dc = NULL);
virtual void SetHighlight(bool hi = TRUE, bool recurse = FALSE);
inline virtual bool IsHighlighted() const { return m_highlighted; };
virtual bool Selected() const;
virtual bool AncestorSelected() const;
void SetSensitivityFilter(int sens = OP_ALL, bool recursive = FALSE);
int GetSensitivityFilter() const { return m_sensitivity; }
void SetDraggable(bool drag, bool recursive = FALSE);
inline void SetFixedSize(bool x, bool y) { m_fixedWidth = x; m_fixedHeight = y; };
inline void GetFixedSize(bool *x, bool *y) const { *x = m_fixedWidth; *y = m_fixedHeight; };
inline bool GetFixedWidth() const { return m_fixedWidth; }
inline bool GetFixedHeight() const { return m_fixedHeight; }
inline void SetSpaceAttachments(bool sp) { m_spaceAttachments = sp; };
inline bool GetSpaceAttachments() const { return m_spaceAttachments; };
void SetShadowMode(int mode, bool redraw = FALSE);
inline int GetShadowMode() const { return m_shadowMode; }
virtual bool HitTest(float x, float y, int *attachment, float *distance);
inline void SetCentreResize(bool cr) { m_centreResize = cr; }
inline bool GetCentreResize() const { return m_centreResize; }
inline wxList& GetLines() { return m_lines; }
inline void SetDisableLabel(bool flag) { m_disableLabel = flag; }
inline bool GetDisableLabel() const { return m_disableLabel; }
inline void SetAttachmentMode(bool flag) { m_attachmentMode = flag; }
inline bool GetAttachmentMode() const { return m_attachmentMode; }
inline void SetId(long i) { m_id = i; }
inline long GetId() const { return m_id; }
void SetPen(wxPen *pen);
void SetBrush(wxBrush *brush);
inline void SetClientData(wxObject *client_data) { m_clientData = client_data; };
inline wxObject *GetClientData() const { return m_clientData; };
virtual void Show(bool show);
virtual bool IsShown() const { return m_visible; }
virtual void Move(wxDC& dc, float x1, float y1, bool display = TRUE);
virtual void Erase(wxDC& dc);
virtual void EraseContents(wxDC& dc);
virtual void Draw(wxDC& dc);
virtual void Flash();
virtual void MoveLinks(wxDC& dc);
virtual void DrawContents(wxDC& dc); // E.g. for drawing text label
virtual void SetSize(float x, float y, bool recursive = TRUE);
virtual void SetAttachmentSize(float x, float y);
void Attach(wxShapeCanvas *can);
void Detach();
inline virtual bool Constrain() { return FALSE; } ;
void AddLine(wxLineShape *line, wxShape *other,
int attachFrom = 0, int attachTo = 0);
void AddText(const wxString& string);
inline wxPen *GetPen() const { return m_pen; }
inline wxBrush *GetBrush() const { return m_brush; }
/*
* Region-specific functions (defaults to the default region
* for simple objects
*/
// Set the default, single region size to be consistent
// with the object size
void SetDefaultRegionSize();
virtual void FormatText(wxDC& dc, const wxString& s, int regionId = 0);
virtual void SetFormatMode(int mode, int regionId = 0);
virtual int GetFormatMode(int regionId = 0) const;
virtual void SetFont(wxFont *font, int regionId = 0);
virtual wxFont *GetFont(int regionId = 0) const;
virtual void SetTextColour(const wxString& colour, int regionId = 0);
virtual wxString GetTextColour(int regionId = 0) const;
virtual inline int GetNumberOfTextRegions() const { return m_regions.Number(); }
virtual void SetRegionName(const wxString& name, int regionId = 0);
// Get the name representing the region for this image alone.
// I.e. this image's region ids go from 0 to N-1.
// But the names might be "0.2.0", "0.2.1" etc. depending on position in composite.
// So the last digit represents the region Id, the others represent positions
// in composites.
virtual wxString GetRegionName(int regionId);
// Gets the region corresponding to the name, or -1 if not found.
virtual int GetRegionId(const wxString& name);
// Construct names for regions, unique even for children of a composite.
virtual void NameRegions(const wxString& parentName = "");
// Get list of regions
inline wxList& GetRegions() const { return (wxList&) m_regions; }
virtual void AddRegion(wxShapeRegion *region);
virtual void ClearRegions();
// Assign new ids to this image and children (if composite)
void AssignNewIds();
// Returns actual image (same as 'this' if non-composite) and region id
// for given region name.
virtual wxShape *FindRegion(const wxString& regionName, int *regionId);
// Finds all region names for this image (composite or simple).
// Supply empty string list.
virtual void FindRegionNames(wxStringList& list);
virtual void ClearText(int regionId = 0);
void RemoveLine(wxLineShape *line);
#ifdef PROLOGIO
// Prolog database stuff
virtual char *GetFunctor();
virtual void WritePrologAttributes(wxExpr *clause);
virtual void ReadPrologAttributes(wxExpr *clause);
// In case the object has constraints it needs to read in in a different pass
inline virtual void ReadConstraints(wxExpr *WXUNUSED(clause), wxExprDatabase *WXUNUSED(database)) { };
virtual void WriteRegions(wxExpr *clause);
virtual void ReadRegions(wxExpr *clause);
#endif
// Attachment code
virtual bool GetAttachmentPosition(int attachment, float *x, float *y,
int nth = 0, int no_arcs = 1, wxLineShape *line = NULL);
virtual int GetNumberOfAttachments();
virtual bool AttachmentIsValid(int attachment);
virtual void EraseLinks(wxDC& dc, int attachment = -1, bool recurse = FALSE);
virtual void DrawLinks(wxDC& dc, int attachment = -1, bool recurse = FALSE);
virtual void MoveLineToNewAttachment(wxDC& dc, wxLineShape *to_move,
float x, float y);
// Reorders the lines coming into the node image at this attachment
// position, in the order in which they appear in linesToSort.
virtual void SortLines(int attachment, wxList& linesToSort);
// This is really to distinguish between lines and other images.
// For lines, want to pass drag to canvas, since lines tend to prevent
// dragging on a canvas (they get in the way.)
virtual bool Draggable() const { return TRUE; }
// Returns TRUE if image is a descendant of this image
bool HasDescendant(wxShape *image);
// Creates a copy of this shape.
wxShape *CreateNewCopy(bool resetMapping = TRUE, bool recompute = TRUE);
// Does the copying for this object
virtual void Copy(wxShape& copy);
// Does the copying for this object, including copying event
// handler data if any. Calls the virtual Copy function.
void CopyWithHandler(wxShape& copy);
// Rotate about the given axis by the given amount in radians
// (does nothing for most objects)
// But even non-rotating objects should record their notional
// rotation in case it's important (e.g. in dog-leg code).
virtual inline void Rotate(float WXUNUSED(x), float WXUNUSED(y), float theta) { m_rotation = theta; }
virtual inline float GetRotation() const { return m_rotation; }
void ClearAttachments();
// Recentres all the text regions for this object
void Recentre(wxDC& dc);
// Clears points from a list of wxRealPoints
void ClearPointList(wxList& list);
private:
wxObject* m_clientData;
protected:
wxShapeEvtHandler* m_eventHandler;
bool m_formatted;
float m_xpos, m_ypos;
wxPen* m_pen;
wxBrush* m_brush;
wxFont* m_font;
wxColour* m_textColour;
wxString m_textColourName;
wxShapeCanvas* m_canvas;
wxList m_lines;
wxList m_text;
wxList m_controlPoints;
wxList m_regions;
wxList m_attachmentPoints;
bool m_visible;
bool m_disableLabel;
long m_id;
bool m_selected;
bool m_highlighted; // Different from selected: user-defined highlighting,
// e.g. thick border.
float m_rotation;
int m_sensitivity;
bool m_draggable;
bool m_attachmentMode; // TRUE if using attachments, FALSE otherwise
bool m_spaceAttachments; // TRUE if lines at one side should be spaced
bool m_fixedWidth;
bool m_fixedHeight;
bool m_centreResize; // Default is to resize keeping the centre constant (TRUE)
bool m_drawHandles; // Don't draw handles if FALSE, usually TRUE
wxList m_children; // In case it's composite
wxShape* m_parent; // In case it's a child
int m_formatMode;
int m_shadowMode;
wxBrush* m_shadowBrush;
int m_shadowOffsetX;
int m_shadowOffsetY;
int m_textMarginX; // Gap between text and border
int m_textMarginY;
wxString m_regionName;
};
class wxPolygonShape: public wxShape
{
DECLARE_DYNAMIC_CLASS(wxPolygonShape)
public:
wxPolygonShape();
~wxPolygonShape();
// Takes a list of wxRealPoints; each point is an OFFSET from the centre.
// Deletes user's points in destructor.
virtual void Create(wxList *points);
void GetBoundingBoxMin(float *w, float *h);
void CalculateBoundingBox();
bool GetPerimeterPoint(float x1, float y1,
float x2, float y2,
float *x3, float *y3);
bool HitTest(float x, float y, int *attachment, float *distance);
void SetSize(float x, float y, bool recursive = TRUE);
void OnDraw(wxDC& dc);
void OnDrawOutline(wxDC& dc, float x, float y, float w, float h);
// Control points ('handles') redirect control to the actual shape, to make it easier
// to override sizing behaviour.
virtual void OnSizingDragLeft(wxControlPoint* pt, bool draw, float x, float y, int keys=0, int attachment = 0);
virtual void OnSizingBeginDragLeft(wxControlPoint* pt, float x, float y, int keys=0, int attachment = 0);
virtual void OnSizingEndDragLeft(wxControlPoint* pt, float x, float y, int keys=0, int attachment = 0);
// A polygon should have a control point at each vertex,
// with the option of moving the control points individually
// to change the shape.
void MakeControlPoints();
void ResetControlPoints();
// If we've changed the shape, must make the original
// points match the working points
void UpdateOriginalPoints();
// Add a control point after the given point
virtual void AddPolygonPoint(int pos = 0);
// Delete a control point
virtual void DeletePolygonPoint(int pos = 0);
// Recalculates the centre of the polygon
virtual void CalculatePolygonCentre();
#ifdef PROLOGIO
// Prolog database stuff
void WritePrologAttributes(wxExpr *clause);
void ReadPrologAttributes(wxExpr *clause);
#endif
int GetNumberOfAttachments();
bool GetAttachmentPosition(int attachment, float *x, float *y,
int nth = 0, int no_arcs = 1, wxLineShape *line = NULL);
bool AttachmentIsValid(int attachment);
// Does the copying for this object
void Copy(wxShape& copy);
inline wxList *GetPoints() { return m_points; }
private:
wxList* m_points;
wxList* m_originalPoints;
float m_boundWidth;
float m_boundHeight;
float m_originalWidth;
float m_originalHeight;
};
class wxRectangleShape: public wxShape
{
DECLARE_DYNAMIC_CLASS(wxRectangleShape)
public:
wxRectangleShape(float w = 0.0, float h = 0.0);
void GetBoundingBoxMin(float *w, float *h);
bool GetPerimeterPoint(float x1, float y1,
float x2, float y2,
float *x3, float *y3);
void OnDraw(wxDC& dc);
void SetSize(float x, float y, bool recursive = TRUE);
void SetCornerRadius(float rad); // If > 0, rounded corners
#ifdef PROLOGIO
// Prolog database stuff
void WritePrologAttributes(wxExpr *clause);
void ReadPrologAttributes(wxExpr *clause);
#endif
int GetNumberOfAttachments();
bool GetAttachmentPosition(int attachment, float *x, float *y,
int nth = 0, int no_arcs = 1, wxLineShape *line = NULL);
// Does the copying for this object
void Copy(wxShape& copy);
inline float GetWidth() const { return m_width; }
inline float GetHeight() const { return m_height; }
protected:
float m_width;
float m_height;
float m_cornerRadius;
};
class wxTextShape: public wxRectangleShape
{
DECLARE_DYNAMIC_CLASS(wxTextShape)
public:
wxTextShape(float width = 0.0, float height = 0.0);
void OnDraw(wxDC& dc);
#ifdef PROLOGIO
void WritePrologAttributes(wxExpr *clause);
#endif
// Does the copying for this object
void Copy(wxShape& copy);
};
class wxEllipseShape: public wxShape
{
DECLARE_DYNAMIC_CLASS(wxEllipseShape)
public:
wxEllipseShape(float w = 0.0, float h = 0.0);
void GetBoundingBoxMin(float *w, float *h);
bool GetPerimeterPoint(float x1, float y1,
float x2, float y2,
float *x3, float *y3);
void OnDraw(wxDC& dc);
void SetSize(float x, float y, bool recursive = TRUE);
#ifdef PROLOGIO
// Prolog database stuff
void WritePrologAttributes(wxExpr *clause);
void ReadPrologAttributes(wxExpr *clause);
#endif
int GetNumberOfAttachments();
bool GetAttachmentPosition(int attachment, float *x, float *y,
int nth = 0, int no_arcs = 1, wxLineShape *line = NULL);
// Does the copying for this object
void Copy(wxShape& copy);
inline float GetWidth() const { return m_width; }
inline float GetHeight() const { return m_height; }
protected:
float m_width;
float m_height;
};
class wxCircleShape: public wxEllipseShape
{
DECLARE_DYNAMIC_CLASS(wxCircleShape)
public:
wxCircleShape(float w = 0.0);
bool GetPerimeterPoint(float x1, float y1,
float x2, float y2,
float *x3, float *y3);
// Does the copying for this object
void Copy(wxShape& copy);
};
#endif
// _OGL_BASIC_H_
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