button with popup-menu for color selections -- this should be used instead

of the QToolButton + ColorPopupMenu construct

3 files changed, 179 insertions, 2 deletions

diff --git a/libopie/libopie.pro b/libopie/libopie.pro
index 4b176d0..6a1f1b3 100644
--- a/libopie/libopie.pro
+++ b/libopie/libopie.pro
@@ -10,5 +10,5 @@ HEADERS   = ofontmenu.h ofileselector.h \
     otimepicker.h otabwidget.h \
     otabbar.h otabinfo.h \
-    ofontselector.h
+    ofontselector.h ocolorbutton.h
 SOURCES   = ofontmenu.cc ofileselector.cc \
             ofiledialog.cc xmltree.cc \
@@ -19,5 +19,5 @@ SOURCES   = ofontmenu.cc ofileselector.cc \
             odevice.cpp otimepicker.cpp \
              otabwidget.cpp otabbar.cpp \
-             ofontselector.cpp
+             ofontselector.cpp ocolorbutton.cpp
 TARGET    = opie
 INCLUDEPATH += $(OPIEDIR)/include
diff --git a/libopie/ocolorbutton.cpp b/libopie/ocolorbutton.cpp
new file mode 100644
index 0000000..96e5612
--- a/dev/null
+++ b/libopie/ocolorbutton.cpp
@@ -0,0 +1,118 @@
+/*
+               =.            This file is part of the OPIE Project
+             .=l.            Copyright (c)  2002 Robert Griebl <sandman@handhelds.org>
+           .>+-=
+ _;:,     .>    :=|.         This library is free software; you can
+.> <`_,   >  .   <=          redistribute it and/or  modify it under
+:`=1 )Y*s>-.--   :           the terms of the GNU Library General Public
+.="- .-=="i,     .._         License as published by the Free Software
+ - .   .-<_>     .<>         Foundation; either version 2 of the License,
+     ._= =}       :          or (at your option) any later version.
+    .%`+i>       _;_.
+    .i_,=:_.      -<s.       This library is distributed in the hope that
+     +  .  -:.       =       it will be useful,  but WITHOUT ANY WARRANTY;
+    : ..    .:,     . . .    without even the implied warranty of
+    =_        +     =;=|`    MERCHANTABILITY or FITNESS FOR A
+  _.=:.       :    :=>`:     PARTICULAR PURPOSE. See the GNU
+..}^=.=       =       ;      Library General Public License for more
+++=   -.     .`     .:       details.
+ :     =  ...= . :.=-
+ -.   .:....=;==+<;          You should have received a copy of the GNU
+  -_. . .   )=.  =           Library General Public License along with
+    --        :-=`           this library; see the file COPYING.LIB.
+                             If not, write to the Free Software Foundation,
+                             Inc., 59 Temple Place - Suite 330,
+                             Boston, MA 02111-1307, USA.
+
+*/
+
+#include <opie/colorpopupmenu.h>
+#include <opie/ocolorbutton.h>
+#include <qcolor.h>
+#include <qpixmap.h>
+#include <qimage.h>
+        
+        #include <qpe/resource.h>
+        
+class OColorButtonPrivate {
+public:
+        QPopupMenu *m_menu;
+        QColor m_color;
+};
+
+OColorButton::OColorButton ( QWidget *parent, const char *name ) 
+        : QPushButton ( parent, name )
+{
+        d = new OColorButtonPrivate;
+        
+        d-> m_menu = new ColorPopupMenu ( black, 0, 0 );
+        setPopup ( d-> m_menu );
+        //setPopupDelay ( 0 );
+        connect ( d-> m_menu, SIGNAL( colorSelected ( const QColor & )), this, SLOT( updateColor ( const QColor & )));
+        
+        updateColor ( black );
+        setMinimumSize ( sizeHint ( ) + QSize ( 8, 0 ));
+}
+
+OColorButton::~OColorButton ( )
+{
+        delete d;
+}
+
+QColor OColorButton::color ( ) const
+{
+        return d-> m_color;
+}
+
+void OColorButton::setColor ( const QColor &c )
+{
+        updateColor ( c );
+}
+
+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;
+
+                        if ( x < dx )
+                                alpha *= ( double ( x + 1 ) / dx );
+                        else if ( x >= w - dx )
+                                alpha *= ( double ( w - x ) / dx );
+                        if ( y < dy )
+                                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;
+                        if ( a > 255 )
+                                a = 255;
+
+                        img. setPixel ( x, y, qRgba ( r, g, b, a ));
+                }
+        }
+        img. setAlphaBuffer ( true );
+
+        QPixmap pix;
+        pix. convertFromImage ( img );
+                setPixmap ( pix );
+
+        emit colorSelected ( c );
+}
+
diff --git a/libopie/ocolorbutton.h b/libopie/ocolorbutton.h
new file mode 100644
index 0000000..ec04833
--- a/dev/null
+++ b/libopie/ocolorbutton.h
@@ -0,0 +1,59 @@
+/*
+               =.            This file is part of the OPIE Project
+             .=l.            Copyright (c)  2002 Robert Griebl <sandman@handhelds.org>
+           .>+-=
+ _;:,     .>    :=|.         This library is free software; you can
+.> <`_,   >  .   <=          redistribute it and/or  modify it under
+:`=1 )Y*s>-.--   :           the terms of the GNU Library General Public
+.="- .-=="i,     .._         License as published by the Free Software
+ - .   .-<_>     .<>         Foundation; either version 2 of the License,
+     ._= =}       :          or (at your option) any later version.
+    .%`+i>       _;_.
+    .i_,=:_.      -<s.       This library is distributed in the hope that
+     +  .  -:.       =       it will be useful,  but WITHOUT ANY WARRANTY;
+    : ..    .:,     . . .    without even the implied warranty of
+    =_        +     =;=|`    MERCHANTABILITY or FITNESS FOR A
+  _.=:.       :    :=>`:     PARTICULAR PURPOSE. See the GNU
+..}^=.=       =       ;      Library General Public License for more
+++=   -.     .`     .:       details.
+ :     =  ...= . :.=-
+ -.   .:....=;==+<;          You should have received a copy of the GNU
+  -_. . .   )=.  =           Library General Public License along with
+    --        :-=`           this library; see the file COPYING.LIB.
+                             If not, write to the Free Software Foundation,
+                             Inc., 59 Temple Place - Suite 330,
+                             Boston, MA 02111-1307, USA.
+
+*/
+
+#ifndef __OPIE_OCOLORBUTTON_H__
+        #define __OPIE_OCOLORBUTTON_H__
+        
+#include <qpushbutton.h>
+
+class OColorButtonPrivate;
+class QColor;
+
+class OColorButton : public QPushButton {
+        Q_OBJECT
+public:
+        OColorButton ( QWidget *parent = 0, const char *name = 0 );
+        virtual ~OColorButton ( );
+        
+        QColor color ( ) const;
+        
+signals:
+                void colorSelected ( const QColor & );
+        
+public slots:
+        virtual void setColor ( const QColor & );
+        
+        protected slots:
+        virtual void updateColor ( const QColor & );
+        
+private:
+        OColorButtonPrivate *d;
+        };
+
+#endif
+