Kwave::ViewItem Class Reference

#include <ViewItem.h>

Inheritance diagram for Kwave::ViewItem:

Collaboration diagram for Kwave::ViewItem:

Public Types
enum	Flag { None = 0, CanGrabAndMove = 1, CanDragAndDrop = 2 }

Signals
void	sigCommand (const QString &command)

Public Member Functions
	ViewItem (Kwave::SignalView &view, Kwave::SignalManager &signal_manager)
virtual	~ViewItem ()
virtual Kwave::ViewItem::Flags	flags () const
virtual QString	toolTip (sample_index_t &ofs)
virtual void	appendContextMenu (QMenu *parent)
virtual QCursor	mouseCursor () const
virtual void	moveTo (const QPoint &mouse_pos)
virtual void	startDragging ()
virtual void	done ()

Protected Attributes
Kwave::SignalView &	m_view
Kwave::SignalManager &	m_signal_manager

Detailed Description

Definition at line 41 of file ViewItem.h.

Member Enumeration Documentation

Flag

enum Kwave::ViewItem::Flag

Enumerator
None	no special capabilities
CanGrabAndMove	can be grabbed and moved
CanDragAndDrop	can be used for drag and drop

Definition at line 46 of file ViewItem.h.

        {
            None           = 0, 
            CanGrabAndMove = 1, 
            CanDragAndDrop = 2  
        };

Constructor & Destructor Documentation

ViewItem()

Kwave::ViewItem::ViewItem	(	Kwave::SignalView &	view,
		Kwave::SignalManager &	signal_manager
	)

Constructor

Parameters

view	pointer to the owner (a SignalView)
signal_manager	the corresponding SignalManager

Definition at line 29 of file ViewItem.cpp.

    :QObject(&view), m_view(view), m_signal_manager(signal_manager)
{
}

~ViewItem()

Kwave::ViewItem::~ViewItem ( )

virtual

Destructor

Definition at line 36 of file ViewItem.cpp.

{
}

Member Function Documentation

appendContextMenu()

void Kwave::ViewItem::appendContextMenu ( QMenu *  parent )

virtual

Called to append entries to a context menu. The default implementation does nothing.

Parameters

parent

context menu to add items

Reimplemented in Kwave::LabelItem.

Definition at line 54 of file ViewItem.cpp.

{
    Q_UNUSED(parent);
}

done()

void Kwave::ViewItem::done ( )

virtual

Called when leaving the move or drag mode, when the mouse button has been released or the operation is done.

Reimplemented in Kwave::LabelItem.

Definition at line 77 of file ViewItem.cpp.

{
}

flags()

Kwave::ViewItem::Flags Kwave::ViewItem::flags ( ) const

virtual

Returns flags describing the possible interactions with this object

See also

Flags

Reimplemented in Kwave::LabelItem, Kwave::SelectionBorderItem, and Kwave::SelectionItem.

Definition at line 41 of file ViewItem.cpp.

References None.

{
    return Kwave::ViewItem::None;
}

mouseCursor()

QCursor Kwave::ViewItem::mouseCursor ( ) const

virtual

Returns a mouse cursor used when moving the item

Reimplemented in Kwave::LabelItem, and Kwave::SelectionBorderItem.

Definition at line 60 of file ViewItem.cpp.

{
    return Qt::ArrowCursor;
}

moveTo()

void Kwave::ViewItem::moveTo ( const QPoint &  mouse_pos )

virtual

Handles updates when being moved with the mouse.

Parameters

mouse_pos

position of the mouse, in pixel coordinates relative to the parent widget

Reimplemented in Kwave::LabelItem, and Kwave::SelectionBorderItem.

Definition at line 66 of file ViewItem.cpp.

{
    Q_UNUSED(mouse_pos);
}

sigCommand

void Kwave::ViewItem::sigCommand ( const QString &  command )

signal

forward a sigCommand to the next layer

Referenced by Kwave::LabelItem::contextMenuLabelDelete(), and Kwave::LabelItem::contextMenuLabelProperties().

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startDragging()

void Kwave::ViewItem::startDragging ( )

virtual

Starts a drag & drop operation.

Reimplemented in Kwave::SelectionItem.

Definition at line 72 of file ViewItem.cpp.

{
}

toolTip()

QString Kwave::ViewItem::toolTip ( sample_index_t &  ofs )

virtual

Can be overwritten to return a tooltip. The default implementation returns an empty string.

Parameters

ofs	absolute sample index the tooltip should refer to (can be modified)

Returns

an already localized tooltip

Reimplemented in Kwave::LabelItem, and Kwave::SelectionBorderItem.

Definition at line 47 of file ViewItem.cpp.

{
    Q_UNUSED(ofs);
    return QString();
}

Member Data Documentation

m_signal_manager

Kwave::SignalManager& Kwave::ViewItem::m_signal_manager

protected

the corresponding SignalManager

Definition at line 119 of file ViewItem.h.

Referenced by Kwave::SelectionBorderItem::moveTo(), Kwave::LabelItem::moveTo(), and Kwave::SelectionItem::startDragging().

m_view

Kwave::SignalView& Kwave::ViewItem::m_view

protected

the owner of this view item (a SignalView)

Definition at line 116 of file ViewItem.h.

Referenced by Kwave::SelectionBorderItem::moveTo(), Kwave::LabelItem::moveTo(), Kwave::SelectionItem::startDragging(), Kwave::SelectionBorderItem::toolTip(), and Kwave::LabelItem::toolTip().

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

• libgui/ViewItem.h
• libgui/ViewItem.cpp