git.sesse.net Git - kdenlive/blob - src/choosecolorwidget.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2010 by Till Theato (root@ttill.de)                     *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
  18  ***************************************************************************/
  19
  20
  21 #include "choosecolorwidget.h"
  22 #include "colorpickerwidget.h"
  23
  24 #include <QLabel>
  25 #include <QHBoxLayout>
  26
  27 #include <KColorButton>
  28 #include <KLocalizedString>
  29 #include <kdeversion.h>
  30
  31 static QColor stringToColor(QString strColor)
  32 {
  33     bool ok = false;
  34     QColor color("black");
  35     int intval = 0;
  36
  37     if (strColor.startsWith("0x")) {
  38         if (strColor.length() == 10) {
  39             // 0xRRGGBBAA
  40             intval = strColor.toUInt(&ok, 16);
  41             color.setRgb( ( intval >> 24 ) & 0xff,   // r
  42                           ( intval >> 16 ) & 0xff,   // g
  43                           ( intval >>  8 ) & 0xff,   // b
  44                           ( intval       ) & 0xff ); // a
  45         } else {
  46             // 0xRRGGBB, 0xRGB
  47             color.setNamedColor(strColor.replace(0, 2, "#"));
  48         }
  49     } else {
  50         if (strColor.length() == 9) {
  51             // #AARRGGBB
  52             strColor = strColor.replace('#', "0x");
  53             intval = strColor.toUInt(&ok, 16);
  54             color.setRgb( ( intval >> 16 ) & 0xff,   // r
  55                           ( intval >>  8 ) & 0xff,   // g
  56                           ( intval       ) & 0xff,   // b
  57                           ( intval >> 24 ) & 0xff ); // a
  58         } else {
  59             // #RRGGBB, #RGB
  60             color.setNamedColor(strColor);
  61         }
  62     }
  63
  64     return color;
  65 }
  66
  67 static QString colorToString(QColor color, bool alpha)
  68 {
  69     QString colorStr;
  70     QTextStream stream(&colorStr);
  71     stream << "#";
  72     stream.setIntegerBase(16);
  73     stream.setFieldWidth(2);
  74     stream.setFieldAlignment(QTextStream::AlignRight);
  75     stream.setPadChar('0');
  76     if(alpha)
  77     {
  78         stream << color.alpha();
  79     }
  80     stream <<  color.red() << color.green() << color.blue();
  81
  82     return colorStr;
  83 }
  84
  85 ChooseColorWidget::ChooseColorWidget(QString text, QString color, QWidget *parent) :
  86         QWidget(parent)
  87 {
  88     QHBoxLayout *layout = new QHBoxLayout(this);
  89     layout->setContentsMargins(0, 0, 0, 0);
  90     layout->setSpacing(0);
  91
  92     QLabel *label = new QLabel(text, this);
  93
  94     QWidget *rightSide = new QWidget(this);
  95     QHBoxLayout *rightSideLayout = new QHBoxLayout(rightSide);
  96     rightSideLayout->setContentsMargins(0, 0, 0, 0);
  97     rightSideLayout->setSpacing(0);
  98
  99     m_button = new KColorButton(stringToColor(color), rightSide);
 100 //     m_button->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Fixed);
 101     ColorPickerWidget *picker = new ColorPickerWidget(rightSide);
 102
 103     layout->addWidget(label);
 104     layout->addWidget(rightSide);
 105     rightSideLayout->addWidget(m_button);
 106     rightSideLayout->addWidget(picker, 0, Qt::AlignRight);
 107
 108     connect(picker, SIGNAL(colorPicked(QColor)), this, SLOT(setColor(QColor)));
 109     connect(picker, SIGNAL(displayMessage(const QString&, int)), this, SIGNAL(displayMessage(const QString&, int)));
 110     connect(m_button, SIGNAL(changed(QColor)), this, SIGNAL(modified()));
 111 }
 112
 113 QString ChooseColorWidget::getColor()
 114 {
 115     bool alphaChannel = false;
 116 #if KDE_IS_VERSION(4,5,0)
 117     alphaChannel = m_button->isAlphaChannelEnabled();
 118 #endif
 119     return colorToString(m_button->color(), alphaChannel);
 120 }
 121
 122 void ChooseColorWidget::setAlphaChannelEnabled(bool enabled)
 123 {
 124 #if KDE_IS_VERSION(4,5,0)
 125     m_button->setAlphaChannelEnabled(enabled);
 126 #endif
 127 }
 128
 129 void ChooseColorWidget::setColor(QColor color)
 130 {
 131     m_button->setColor(color);
 132 }
 133
 134 #include "choosecolorwidget.moc"