LibraryScene Class Reference

A custom QGraphicsScene for a library application. More...

#include <library_scene.h>

Inheritance diagram for LibraryScene:

Signals
void	libraryNodeSelected (const QString &nodeType)
	Emitted when a library node is selected.

Public Member Functions
	LibraryScene (QObject *parent=nullptr)
	Constructs a new LibraryScene object.
QRectF	visibleItemsBounds () const
	Returns the bounding rectangle of all visible items in the scene.
bool	filterNodes (const QString &query)
	Filters nodes based on a query string.
void	relayoutVisibleItems ()
	Relayouts the visible items in the scene.
void	themeChanged ()
	Handles theme change events.

Protected Member Functions
void	mousePressEvent (QGraphicsSceneMouseEvent *event) override
	Handles mouse press events in the scene.
void	mouseMoveEvent (QGraphicsSceneMouseEvent *event) override
	Handles mouse move events in the scene.
void	mouseReleaseEvent (QGraphicsSceneMouseEvent *event) override
	Handles mouse release events in the scene.
void	contextMenuEvent (QGraphicsSceneContextMenuEvent *event) override
	Handles context menu events in the scene.

Private Member Functions
void	clearSelectedNodes ()
	Pointer to the item that was clicked.

Private Attributes
bool	mPressed = false
	Scene position where mouse was pressed.
bool	mDragging = false
	Flag indicating if mouse is currently pressed.
DraggableItem *	mClickedItem
	Flag indicating if dragging is in progress.

Detailed Description

A custom QGraphicsScene for a library application.

Constructor & Destructor Documentation

LibraryScene()

LibraryScene::LibraryScene

(

QObject *

parent = nullptr

)

Constructs a new LibraryScene object.

Parameters

parent

The parent QObject, if any.

Member Function Documentation

clearSelectedNodes()

void LibraryScene::clearSelectedNodes ( )

private

Pointer to the item that was clicked.

Clears all selected nodes from the scene.

contextMenuEvent()

void LibraryScene::contextMenuEvent ( QGraphicsSceneContextMenuEvent * event )

overrideprotected

Handles context menu events in the scene.

Parameters

event

The QGraphicsSceneContextMenuEvent object.

filterNodes()

bool LibraryScene::filterNodes

(

const QString &

query

)

Filters nodes based on a query string.

Parameters

query

The query string to filter nodes by.

Returns

bool True if any nodes were filtered, false otherwise.

libraryNodeSelected

void LibraryScene::libraryNodeSelected ( const QString & nodeType )

signal

Emitted when a library node is selected.

Parameters

nodeType

The type of the selected node.

mouseMoveEvent()

void LibraryScene::mouseMoveEvent ( QGraphicsSceneMouseEvent * event )

overrideprotected

Handles mouse move events in the scene.

Parameters

event

The QGraphicsSceneMouseEvent object.

mousePressEvent()

void LibraryScene::mousePressEvent ( QGraphicsSceneMouseEvent * event )

overrideprotected

Handles mouse press events in the scene.

Parameters

event

The QGraphicsSceneMouseEvent object.

mouseReleaseEvent()

void LibraryScene::mouseReleaseEvent ( QGraphicsSceneMouseEvent * event )

overrideprotected

Handles mouse release events in the scene.

Parameters

event

The QGraphicsSceneMouseEvent object.

visibleItemsBounds()

QRectF LibraryScene::visibleItemsBounds

(

)

const

Returns the bounding rectangle of all visible items in the scene.

Returns

QRectF The bounding rectangle.

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

• /__w/maki/maki/app/system/library_scene.h
• /__w/maki/maki/app/system/library_scene.cpp