LabelStack Class Reference

A QLabel that manages a stack of context-tagged text messages. More...

#include <label_stack.h>

Inheritance diagram for LabelStack:

Public Slots
void	popText (int ctx)
	Remove the stack entry associated with ctx.

Signals
void	toggleTemporaryFlash (bool enable)
	Emitted when the temporary flash state changes.
void	mousePressedAt (const QPoint &global_pos, Qt::MouseButton button)
	Emitted when a mouse button is pressed on the label.

Public Member Functions
	LabelStack (QWidget *parent=0)
	Construct a LabelStack.
void	setTemporaryContext (const int ctx)
	Designate a context ID as the "temporary" context.
void	pushText (const QString &text, int ctx, const QString &tooltip=QString())
	Push a text message onto the label stack.
void	setShrinkable (bool shrinkable=true)
	Control whether the label may shrink below its preferred width.

Protected Member Functions
void	mousePressEvent (QMouseEvent *event) override
	Forward mouse press position and button via mousePressedAt().
void	mouseReleaseEvent (QMouseEvent *event) override
	Handle mouse button release (reserved for subclass use).
void	mouseDoubleClickEvent (QMouseEvent *event) override
	Handle double-click events (reserved for subclass use).
void	mouseMoveEvent (QMouseEvent *event) override
	Handle mouse move events (reserved for subclass use).
void	contextMenuEvent (QContextMenuEvent *event) override
	Show a context menu for the label (reserved for subclass use).
void	paintEvent (QPaintEvent *event) override
	Paint the label, applying elision if shrinkable and space is tight.

Detailed Description

A QLabel that manages a stack of context-tagged text messages.

Constructor & Destructor Documentation

LabelStack()

LabelStack::LabelStack ( QWidget * parent = 0 )

explicit

Construct a LabelStack.

Parameters

parent

The parent widget.

Member Function Documentation

contextMenuEvent()

void LabelStack::contextMenuEvent ( QContextMenuEvent * event )

overrideprotected

Show a context menu for the label (reserved for subclass use).

Parameters

event

The context menu event.

mouseDoubleClickEvent()

void LabelStack::mouseDoubleClickEvent ( QMouseEvent * event )

overrideprotected

Handle double-click events (reserved for subclass use).

Parameters

event

The double-click event.

mouseMoveEvent()

void LabelStack::mouseMoveEvent ( QMouseEvent * event )

overrideprotected

Handle mouse move events (reserved for subclass use).

Parameters

event

The mouse move event.

mousePressedAt

void LabelStack::mousePressedAt ( const QPoint & global_pos, Qt::MouseButton button )

signal

Emitted when a mouse button is pressed on the label.

Parameters

global_pos	The cursor position in global screen coordinates.
button	The mouse button that was pressed.

mousePressEvent()

void LabelStack::mousePressEvent ( QMouseEvent * event )

overrideprotected

Forward mouse press position and button via mousePressedAt().

Parameters

event

The mouse press event.

mouseReleaseEvent()

void LabelStack::mouseReleaseEvent ( QMouseEvent * event )

overrideprotected

Handle mouse button release (reserved for subclass use).

Parameters

event

The mouse release event.

paintEvent()

void LabelStack::paintEvent ( QPaintEvent * event )

overrideprotected

Paint the label, applying elision if shrinkable and space is tight.

Parameters

event

The paint event.

popText

void LabelStack::popText ( int ctx )

slot

Remove the stack entry associated with ctx.

Parameters

ctx	The context ID whose entry should be removed.

pushText()

void LabelStack::pushText	(	const QString &	text,
		int	ctx,
		const QString &	tooltip = QString() )

Push a text message onto the label stack.

Parameters

text	The message text to display.
ctx	The context ID that owns this message; used to pop it later.
tooltip	Optional tooltip string shown on hover; defaults to empty.

setShrinkable()

void LabelStack::setShrinkable

(

bool

shrinkable = true

)

Control whether the label may shrink below its preferred width.

Parameters

shrinkable

true to allow shrinking (default); false to enforce the full preferred width.

setTemporaryContext()

void LabelStack::setTemporaryContext

(

const int

ctx

)

Designate a context ID as the "temporary" context.

Parameters

ctx	The context ID to treat as temporary.

toggleTemporaryFlash

void LabelStack::toggleTemporaryFlash ( bool enable )

signal

Emitted when the temporary flash state changes.

Parameters

enable

true when a temporary message is active and flashing; false when it has expired and the label has reverted.

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

• /builds/wireshark/wireshark/ui/qt/widgets/label_stack.h
• /builds/wireshark/wireshark/ui/qt/widgets/label_stack.cpp