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Public Types | Public Slots | Signals | Public Member Functions | Protected Member Functions

KDualColorButton Class Reference

A widget for selecting two related colors. More...

#include <kdualcolorbutton.h>

Inheritance diagram for KDualColorButton:
TQWidget

List of all members.

Public Types

enum  DualColor { Foreground, Background }

Public Slots

void setForeground (const TQColor &c)
void setBackground (const TQColor &c)
void setCurrent (DualColor s)
void setCurrentColor (const TQColor &c)

Signals

void fgChanged (const TQColor &c)
void bgChanged (const TQColor &c)
void currentChanged (KDualColorButton::DualColor s)

Public Member Functions

 KDualColorButton (TQWidget *parent=0, const char *name=0, TQWidget *dialogParent=0)
 KDualColorButton (const TQColor &fgColor, const TQColor &bgColor, TQWidget *parent=0, const char *name=0, TQWidget *dialogParent=0)
TQColor foreground () const
TQColor background () const
DualColor current () const
TQColor currentColor () const
virtual TQSize sizeHint () const

Protected Member Functions

virtual void metrics (TQRect &fgRect, TQRect &bgRect)
virtual void paintEvent (TQPaintEvent *ev)
virtual void mousePressEvent (TQMouseEvent *ev)
virtual void mouseMoveEvent (TQMouseEvent *ev)
virtual void mouseReleaseEvent (TQMouseEvent *ev)
virtual void dragEnterEvent (TQDragEnterEvent *ev)
virtual void dropEvent (TQDropEvent *ev)
virtual void virtual_hook (int id, void *data)

Detailed Description

A widget for selecting two related colors.

KDualColorButton allows the user to select two cascaded colors (usually a foreground and background color). Other features include drag and drop from other KDE color widgets, a reset to black and white control, and a swap colors control.

When the user clicks on the foreground or background rectangle the rectangle is first sunken and the currentChanged() signal is emitted. Further clicks will present a color dialog and emit either the fgChanged() or bgChanged() if a new color is selected.

Note: With drag and drop when dropping a color the current selected color will be set, while when dragging a color it will use whatever color rectangle the mouse was pressed inside.

kdualcolorbutton.png

KDE Dual Color Button

Author:
Daniel M. Duley <mosfet@kde.org>

Definition at line 48 of file kdualcolorbutton.h.


Constructor & Destructor Documentation

KDualColorButton::KDualColorButton ( TQWidget *  parent = 0,
const char *  name = 0,
TQWidget *  dialogParent = 0 
)

Constructs a new KDualColorButton using the default black and white colors.

As of KDE 3.5.1, sets the dialog parent to the same as "parent" if that argument is non-null and the dialogParent argument is null.

Definition at line 35 of file kdualcolorbutton.cpp.

KDualColorButton::KDualColorButton ( const TQColor &  fgColor,
const TQColor &  bgColor,
TQWidget *  parent = 0,
const char *  name = 0,
TQWidget *  dialogParent = 0 
)

Constructs a new KDualColorButton with the supplied foreground and background colors.

Definition at line 59 of file kdualcolorbutton.cpp.


Member Function Documentation

TQColor KDualColorButton::background (  )  const

Returns the current background color.

Definition at line 92 of file kdualcolorbutton.cpp.

void KDualColorButton::bgChanged ( const TQColor &  c  )  [signal]

Emitted when the background color is changed.

KDualColorButton::DualColor KDualColorButton::current (  )  const

Returns the current color item selected by the user.

Definition at line 97 of file kdualcolorbutton.cpp.

void KDualColorButton::currentChanged ( KDualColorButton::DualColor  s  )  [signal]

Emitted when the user changes the current color selection.

TQColor KDualColorButton::currentColor (  )  const

Returns the color of the selected item.

Definition at line 102 of file kdualcolorbutton.cpp.

void KDualColorButton::fgChanged ( const TQColor &  c  )  [signal]

Emitted when the foreground color is changed.

TQColor KDualColorButton::foreground (  )  const

Returns the current foreground color.

Definition at line 87 of file kdualcolorbutton.cpp.

void KDualColorButton::metrics ( TQRect &  fgRect,
TQRect &  bgRect 
) [protected, virtual]

Sets the supplied rectangles to the proper size and position for the current widget size.

You can reimplement this to change the layout of the widget. Restrictions are that the swap control will always be at the top right, the reset control will always be at the bottom left, and you must leave at least a 14x14 space in those corners.

Definition at line 143 of file kdualcolorbutton.cpp.

void KDualColorButton::setBackground ( const TQColor &  c  )  [slot]

Sets the background color.

Definition at line 120 of file kdualcolorbutton.cpp.

void KDualColorButton::setCurrent ( DualColor  s  )  [slot]

Sets the current selected color item.

Definition at line 137 of file kdualcolorbutton.cpp.

void KDualColorButton::setCurrentColor ( const TQColor &  c  )  [slot]

Sets the color of the selected item.

Definition at line 128 of file kdualcolorbutton.cpp.

void KDualColorButton::setForeground ( const TQColor &  c  )  [slot]

Sets the foreground color.

Definition at line 112 of file kdualcolorbutton.cpp.

TQSize KDualColorButton::sizeHint ( void   )  const [virtual]

Returns the minimum size needed to display the widget and all its controls.

Reimplemented from TQWidget.

Definition at line 107 of file kdualcolorbutton.cpp.


The documentation for this class was generated from the following files:
  • kdualcolorbutton.h
  • kdualcolorbutton.cpp

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