minsky::EquationDisplay Class Reference

#include <equationDisplay.h>

Inheritance diagram for minsky::EquationDisplay:

Collaboration diagram for minsky::EquationDisplay:

Public Member Functions
double	width () const
double	height () const
	EquationDisplay (Minsky &m)
EquationDisplay &	operator= (const EquationDisplay &x)
	EquationDisplay (const EquationDisplay &)=default
void	requestRedraw ()
bool	hasScrollBars () const override
	return whether this window has scrollbars (needed for MacOSX). More...
Public Member Functions inherited from minsky::RenderNativeWindow
const RenderFrameArgs &	frameArgs () const
	~RenderNativeWindow () override
virtual void	init ()
	perform any initialisation of any subclasses of this More...
void	renderFrame (const RenderFrameArgs &args)
void	destroyFrame ()
void	draw ()
void	requestRedraw ()
void	macOSXRedraw ()
RenderNativeWindow &	operator= (const RenderNativeWindow &x)
	RenderNativeWindow ()=default
	RenderNativeWindow (const RenderNativeWindow &)=default
Public Member Functions inherited from minsky::EventInterface
virtual void	mouseDown (float x, float y)
virtual void	controlMouseDown (float x, float y)
virtual void	mouseUp (float x, float y)
virtual void	mouseMove (float x, float y)
virtual void	zoom (double x, double y, double z)
virtual void	moveTo (float x, float y)
	move this so that (x,y) is centred More...
virtual std::vector< float >	position () const
	current centre coordinates More...
virtual double	zoomFactor () const
virtual bool	keyPress (const KeyPressArgs &)
	handle key press over current itemFocus, More...
virtual bool	getItemAt (float x, float y)
	item or wire obtained by get*At() calls More...
virtual bool	getWireAt (float x, float y)
	item or wire obtained by get*At() calls More...

Public Attributes
float	offsx =0
float	offsy =0
float	m_zoomFactor =1
Public Attributes inherited from minsky::EventInterface
ItemPtr	item
	item or wire obtained by get*At() calls More...
WirePtr	wire
	item or wire obtained by get*At() calls More...

Private Member Functions
bool	redraw (int x0, int y0, int width, int height) override
	CLASSDESC_ACCESS (EquationDisplay)

Private Attributes
Minsky &	m
double	m_width =0
double	m_height =0

Additional Inherited Members
Static Public Member Functions inherited from minsky::RenderNativeWindow
static double	scaleFactor ()
Static Public Attributes inherited from minsky::RenderNativeWindow
static ecolab::cairo::Colour	backgroundColour {0.8,0.8,0.8,1}

Detailed Description

Definition at line 29 of file equationDisplay.h.

Constructor & Destructor Documentation

EquationDisplay() [1/2]

minsky::EquationDisplay::EquationDisplay ( Minsky &  m )

inline

Definition at line 39 of file equationDisplay.h.

: m(m) {}

EquationDisplay() [2/2]

minsky::EquationDisplay::EquationDisplay ( const EquationDisplay &  )

default

Member Function Documentation

CLASSDESC_ACCESS()

minsky::EquationDisplay::CLASSDESC_ACCESS ( EquationDisplay  )

private

hasScrollBars()

bool minsky::EquationDisplay::hasScrollBars ( ) const

inlineoverridevirtual

return whether this window has scrollbars (needed for MacOSX).

Reimplemented from minsky::RenderNativeWindow.

Definition at line 43 of file equationDisplay.h.

{return true;}

height()

double minsky::EquationDisplay::height ( ) const

inline

Definition at line 38 of file equationDisplay.h.

References m_height.

Referenced by redraw().

{return m_height;}

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operator=()

EquationDisplay& minsky::EquationDisplay::operator= ( const EquationDisplay &  x )

inline

Definition at line 40 of file equationDisplay.h.

References minsky::RenderNativeWindow::operator=().

{RenderNativeWindow::operator=(x); return *this;}

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redraw()

bool minsky::EquationDisplay::redraw ( int  x0, int  y0, int  width, int  height  )

overrideprivate

Definition at line 34 of file equationDisplay.cc.

References height(), m, m_height, m_width, m_zoomFactor, offsx, offsy, MathDAG::SystemOfEquations::renderEquations(), and width().

  {
    if (surface.get()) {
      const BusyCursor busy(m);
      const MathDAG::SystemOfEquations system(m);
      cairo_rectangle(surface->cairo(),0,0,width,height);
      cairo_clip(surface->cairo());
      cairo_move_to(surface->cairo(),offsx,offsy);
      cairo_scale(surface->cairo(),m_zoomFactor,m_zoomFactor);
      system.renderEquations(*surface,height);
      if (m.flags & Minsky::fullEqnDisplay_needed)
        {
          ecolab::cairo::Surface surf
            (cairo_recording_surface_create(CAIRO_CONTENT_COLOR_ALPHA,NULL));
          system.renderEquations(surf,std::numeric_limits<double>::max());
          m_width=surf.width();
          m_height=surf.height();
          m.flags &= ~Minsky::fullEqnDisplay_needed;
        }
      return true;
    }
    return surface.get();
  }

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requestRedraw()

void minsky::EquationDisplay::requestRedraw ( )

inline

Definition at line 42 of file equationDisplay.h.

{if (surface.get()) surface->requestRedraw();}

width()

double minsky::EquationDisplay::width ( ) const

inline

Definition at line 37 of file equationDisplay.h.

References m_width.

Referenced by redraw().

{return m_width;}

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Member Data Documentation

m

Minsky& minsky::EquationDisplay::m

private

Definition at line 31 of file equationDisplay.h.

Referenced by redraw().

m_height

double minsky::EquationDisplay::m_height =0

private

Definition at line 32 of file equationDisplay.h.

Referenced by height(), and redraw().

m_width

double minsky::EquationDisplay::m_width =0

private

Definition at line 32 of file equationDisplay.h.

Referenced by redraw(), and width().

m_zoomFactor

float minsky::EquationDisplay::m_zoomFactor =1

Definition at line 36 of file equationDisplay.h.

Referenced by redraw().

offsx

float minsky::EquationDisplay::offsx =0

Definition at line 36 of file equationDisplay.h.

Referenced by redraw().

offsy

float minsky::EquationDisplay::offsy =0

Definition at line 36 of file equationDisplay.h.

Referenced by redraw().

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The documentation for this class was generated from the following files:

• model/equationDisplay.h
• model/equationDisplay.cc