From dde789ef19fa3a3913805e452ac1e3400688e8a0 Mon Sep 17 00:00:00 2001
From: mickeyl <mickeyl>
Date: Thu, 15 Jan 2004 13:59:58 +0000
Subject: more libopie1 --> libopie2 with namespace cleanups and code layout cleanups

---
(limited to 'libqtaux/ocolorbutton.cpp')

diff --git a/libqtaux/ocolorbutton.cpp b/libqtaux/ocolorbutton.cpp
new file mode 100644
index 0000000..d2ad873
--- a/dev/null
+++ b/libqtaux/ocolorbutton.cpp
@@ -0,0 +1,150 @@
+/*
+                             This file is part of the Opie Project
+                             Copyright (C) Robert Griebl <sandman@handhelds.org>
+              =.             Copyright (C) The Opie Team <opie-devel@handhelds.org>
+            .=l.
+           .>+-=
+ _;:,     .>    :=|.         This program 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 program 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 "ocolorpopupmenu.h"
+#include "ocolorbutton.h"
+
+/* OPIE */
+#include <qpe/resource.h>
+
+/* QT */
+#include <qcolor.h>
+#include <qpixmap.h>
+#include <qimage.h>
+
+using namespace Opie;
+
+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 OColorPopupMenu ( color, 0, 0 );
+    setPopup ( d-> m_menu );
+    //	setPopupDelay ( 0 );
+    connect ( d-> m_menu, SIGNAL( colorSelected ( const QColor & )), this, SLOT( updateColor ( const QColor & )));
+
+    updateColor ( color );
+
+    QSize s = sizeHint ( ) + QSize ( 12, 0 );
+    setMinimumSize ( s );
+    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;
+
+            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 );
+}
+
--
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