| -rw-r--r-- | libopie/ocolorbutton.cpp | 45 |
1 files changed, 33 insertions, 12 deletions
diff --git a/libopie/ocolorbutton.cpp b/libopie/ocolorbutton.cpp index ddb6c4f..113a77a 100644 --- a/libopie/ocolorbutton.cpp +++ b/libopie/ocolorbutton.cpp @@ -34,18 +34,26 @@ #include <qpe/resource.h> -class OColorButtonPrivate { -public: - QPopupMenu *m_menu; - QColor m_color; +struct OColorButtonPrivate { + QPopupMenu *m_menu; + QColor m_color; }; + +/** + * This concstructs a Color Button with @param color as the start color + * It'll use a OColorPopupMenu internally + * + * @param parent The parent of the Color Button + * @param color The color from where to start on + * @param name @see QObject + */ OColorButton::OColorButton ( QWidget *parent, const QColor &color, const char *name ) : QPushButton ( parent, name ) { d = new OColorButtonPrivate; - d-> m_menu = new ColorPopupMenu ( color, 0, 0 ); + d-> m_menu = new OColorPopupMenu ( color, 0, 0 ); setPopup ( d-> m_menu ); // setPopupDelay ( 0 ); connect ( d-> m_menu, SIGNAL( colorSelected ( const QColor & )), this, SLOT( updateColor ( const QColor & ))); @@ -57,37 +65,50 @@ OColorButton::OColorButton ( QWidget *parent, const QColor &color, const char *n setMaximumSize ( s. width ( ) * 2, s. height ( )); } +/** + * This destructs the object + */ OColorButton::~OColorButton ( ) { delete d; } +/** + * @return Returns the current color of the button + */ QColor OColorButton::color ( ) const { return d-> m_color; } +/** + * This method sets the color of the button + * @param c The color to be set. + */ void OColorButton::setColor ( const QColor &c ) { updateColor ( c ); } +/** + * @internal + */ void OColorButton::updateColor ( const QColor &c ) { d-> m_color = c; - + QImage img ( 16, 16, 32 ); img. fill ( 0 ); - + int r, g, b; c. rgb ( &r, &g, &b ); - + int w = img. width ( ); int h = img. height ( ); - + int dx = w * 20 / 100; // 15% int dy = h * 20 / 100; - + for ( int y = 0; y < h; y++ ) { for ( int x = 0; x < w; x++ ) { double alpha = 1.0; @@ -100,7 +121,7 @@ void OColorButton::updateColor ( const QColor &c ) alpha *= ( double ( y + 1 ) / dy ); else if ( y >= h - dy ) alpha *= ( double ( h - y ) / dy ); - + int a = int ( alpha * 255.0 ); if ( a < 0 ) a = 0; @@ -114,7 +135,7 @@ void OColorButton::updateColor ( const QColor &c ) QPixmap pix; pix. convertFromImage ( img ); - setPixmap ( pix ); + setPixmap ( pix ); emit colorSelected ( c ); } |