openswmmvis::sectionview::SectionPreviewWidget Class Reference

#include <sectionpreviewwidget.h>

Inheritance diagram for openswmmvis::sectionview::SectionPreviewWidget:

Collaboration diagram for openswmmvis::sectionview::SectionPreviewWidget:

Signals
void	viewportChanged (const DiagramViewport &viewport)

Public Member Functions
	SectionPreviewWidget (QWidget *parent=nullptr)
void	setModel (SectionDiagramModel model)
const SectionDiagramModel &	model () const noexcept
void	setPlaceholderText (const QString &text)
QImage	renderToImage (const QSize &size) const
const DiagramViewport &	viewport () const noexcept
void	setViewport (const DiagramViewport &viewport)
void	zoomToExtents ()
void	zoomBy (double factor, const QPointF &anchorPx)
double	achievedVerticalExaggeration () const noexcept
QRectF	lastFitRect () const noexcept

Protected Member Functions
void	paintEvent (QPaintEvent *event) override
void	wheelEvent (QWheelEvent *event) override
void	mousePressEvent (QMouseEvent *event) override
void	mouseMoveEvent (QMouseEvent *event) override
void	mouseReleaseEvent (QMouseEvent *event) override
void	mouseDoubleClickEvent (QMouseEvent *event) override

Constructor & Destructor Documentation

SectionPreviewWidget()

openswmmvis::sectionview::SectionPreviewWidget::SectionPreviewWidget ( QWidget *  parent = nullptr )

explicit

Member Function Documentation

achievedVerticalExaggeration()

double openswmmvis::sectionview::SectionPreviewWidget::achievedVerticalExaggeration ( ) const

inlinenoexcept

V:H ratio used by the last paint — 1.0 for a true-scale or uniform-scale drawing. Reflects the automatic choice as well as an explicit one, so callers (and tests) never have to infer it from pixels. Valid only after something has been painted.

lastFitRect()

QRectF openswmmvis::sectionview::SectionPreviewWidget::lastFitRect ( ) const

inlinenoexcept

Pixel rect the model bounds were fitted into by the last paint, before zoom/pan. Exposed for tests and for any host that needs to relate widget coordinates back to the drawing.

model()

const SectionDiagramModel & openswmmvis::sectionview::SectionPreviewWidget::model ( ) const

inlinenoexcept

Here is the caller graph for this function:

mouseDoubleClickEvent()

void openswmmvis::sectionview::SectionPreviewWidget::mouseDoubleClickEvent ( QMouseEvent *  event )

overrideprotected

Here is the call graph for this function:

mouseMoveEvent()

void openswmmvis::sectionview::SectionPreviewWidget::mouseMoveEvent ( QMouseEvent *  event )

overrideprotected

Here is the call graph for this function:

mousePressEvent()

void openswmmvis::sectionview::SectionPreviewWidget::mousePressEvent ( QMouseEvent *  event )

overrideprotected

Here is the call graph for this function:

mouseReleaseEvent()

void openswmmvis::sectionview::SectionPreviewWidget::mouseReleaseEvent ( QMouseEvent *  event )

overrideprotected

paintEvent()

void openswmmvis::sectionview::SectionPreviewWidget::paintEvent ( QPaintEvent *  event )

overrideprotected

Here is the call graph for this function:

renderToImage()

QImage openswmmvis::sectionview::SectionPreviewWidget::renderToImage

(

const QSize &

size

)

const

Render the current model into an image — used by tests (offscreen) and by any future "copy diagram" action. Honours the current view.

Here is the call graph for this function:

setModel()

void openswmmvis::sectionview::SectionPreviewWidget::setModel

(

SectionDiagramModel

model

)

Replace the drawing and repaint. Passing a default-constructed model clears the widget to its empty state.

Does NOT reset zoom/pan — see the note in the implementation. Call zoomToExtents() when the SUBJECT changes, not when its values do.

Here is the call graph for this function:

Here is the caller graph for this function:

setPlaceholderText()

void openswmmvis::sectionview::SectionPreviewWidget::setPlaceholderText

(

const QString &

text

)

Message shown when the model has nothing to draw and carries no emptyText of its own.

setViewport()

void openswmmvis::sectionview::SectionPreviewWidget::setViewport

(

const DiagramViewport &

viewport

)

Here is the call graph for this function:

Here is the caller graph for this function:

viewport()

const DiagramViewport & openswmmvis::sectionview::SectionPreviewWidget::viewport ( ) const

inlinenoexcept

Here is the caller graph for this function:

viewportChanged

void openswmmvis::sectionview::SectionPreviewWidget::viewportChanged ( const DiagramViewport &  viewport )

signal

Emitted whenever zoom or pan changes, so a host can mirror the state (e.g. a zoom-percentage readout).

Here is the caller graph for this function:

wheelEvent()

void openswmmvis::sectionview::SectionPreviewWidget::wheelEvent ( QWheelEvent *  event )

overrideprotected

Here is the call graph for this function:

zoomBy()

void openswmmvis::sectionview::SectionPreviewWidget::zoomBy	(	double	factor,
		const QPointF &	anchorPx
	)

Multiply the current zoom by factor, keeping the model point under anchorPx (widget coordinates) stationary.

Here is the call graph for this function:

Here is the caller graph for this function:

zoomToExtents()

void openswmmvis::sectionview::SectionPreviewWidget::zoomToExtents

(

)

Reset to the automatic fit. Invoked by middle double-click, and by hosts when the displayed object (not merely its values) changes.

Here is the call graph for this function:

Here is the caller graph for this function:

---

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

• /home/runner/work/openswmm.gui/openswmm.gui/include/ui/sectionview/sectionpreviewwidget.h
• /home/runner/work/openswmm.gui/openswmm.gui/src/ui/sectionview/sectionpreviewwidget.cpp