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
@@ -11,3 +11,3 @@ HEADERS   = ofontmenu.h ofileselector.h \
     otabbar.h otabinfo.h \
-    ofontselector.h
+    ofontselector.h ocolorbutton.h
 SOURCES   = ofontmenu.cc ofileselector.cc \
@@ -20,3 +20,3 @@ SOURCES   = ofontmenu.cc ofileselector.cc \
 	     otabwidget.cpp otabbar.cpp \
-	     ofontselector.cpp
+	     ofontselector.cpp ocolorbutton.cpp
 TARGET    = opie
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
+