KLed Class Reference
#include <kled.h>
Inheritance diagram for KLed:

Detailed Description
An LED widget.Displays a round or rectangular light emitting diode.
It is configurable to five colors, the two on/off states and three styles (or "looks");
It may display itself in a performant flat view, a round view with light spot or a round view sunken in the screen.

KDE LED Widget
- Author:
- Joerg Habenicht, Richard J. Moore (rich@kde.org) 1998, 1999
Definition at line 45 of file kled.h.
Public Types | |
enum | State { Off, On } |
enum | Shape { Rectangular, Circular } |
enum | Look { Flat, Raised, Sunken } |
Public Slots | |
void | toggle () |
void | on () |
void | off () |
Public Member Functions | |
KLed (QWidget *parent=0, const char *name=0) | |
KLed (const QColor &col, QWidget *parent=0, const char *name=0) | |
KLed (const QColor &col, KLed::State state, KLed::Look look, KLed::Shape shape, QWidget *parent=0, const char *name=0) | |
~KLed () | |
State | state () const |
Shape | shape () const |
QColor | color () const |
Look | look () const |
int | darkFactor () const |
void | setState (State state) |
void | setShape (Shape s) |
void | toggleState () KDE_DEPRECATED |
void | setColor (const QColor &color) |
void | setDarkFactor (int darkfactor) |
void | setLook (Look look) |
virtual QSize | sizeHint () const |
virtual QSize | minimumSizeHint () const |
Protected Member Functions | |
virtual void | paintFlat () |
virtual void | paintRound () |
virtual void | paintSunken () |
virtual void | paintRect () |
virtual void | paintRectFrame (bool raised) |
void | paintEvent (QPaintEvent *) |
int | ensureRoundLed () |
bool | paintCachedPixmap () |
virtual void | virtual_hook (int id, void *data) |
Properties | |
State | state |
Shape | shape |
Look | look |
QColor | color |
int | darkFactor |
Member Enumeration Documentation
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Displays a flat, round or sunken LED.LED look. Displaying the LED flat is less time and color consuming, but not so nice to see. The sunken LED itself is (certainly) smaller than the round LED because of the 3 shading circles and is most time consuming. Makes sense for LED > 15x15 pixels.
Timings:
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Shades of the lamp.LED shape.
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Status of the light is on/off.LED on/off.
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Constructor & Destructor Documentation
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Constructs a green, round LED widget which will initially be turned on.
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Constructor with the ledcolor, the parent widget, and the name.Constructor. The State will be defaulted On and the Look round.
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Constructor with the ledcolor, ledstate, ledlook, the parent widget, and the name.Constructor. Differs from above only in the parameters, which configure all settings.
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Destructor Destructor.
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Member Function Documentation
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Returns the color of the widgetReturns LED color.
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Returns the factor to darken the LED.Returns dark factor.
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Compute LED width.
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Returns the look of the widget.Returns LED look.
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Sets the state of the widget to Off. The widget will be painted immediately.
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Sets the state of the widget to On. The widget will be painted immediately.
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Paint the cached antialiased pixmap corresponding to the state if any.
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Paints a circular, flat LED.
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Paints a rectangular, flat LED.
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Paints a rectangular LED, either raised or sunken, depending on its argument.
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Paints a circular, raised LED.
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Paints a circular, sunken LED.
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Set the color of the widget.Sets the LED color. The Color is shown with the KLed::On state. The KLed::Off state is shown with QColor.dark() method The widget calls the update() method, so it will be updated when entering the main event loop.
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Sets the factor to darken the LED in OFF state.sets the factor to darken the LED. Same as QColor::dark(). "darkfactor should be greater than 100, else the LED gets lighter in OFF state. Defaults to 300.
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Sets the look of the widget.Sets LED look. The look may be flat, round or sunken. The widget calls the update() method, so it will be updated when entering the main event loop.
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Set the shape of the LED to
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Sets the state of the widget to On or Off.Set LED state. The widget will be painted immediately.
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Returns the current state of the widget (on/off).Returns LED state.
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Toggles the state of the led from Off to On or vice versa. The widget repaints itself immediately. |
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Toggle the state of the LED from Off to On and vice versa.Toggles LED on->off / off->on. The widget will be repainted when returning to the main event loop.
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The documentation for this class was generated from the following files: