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     if (strColor.startsWith("0x")) {
  37         if (strColor.length() == 10) {
  38             // 0xRRGGBBAA
  39             intval = strColor.toUInt(&ok, 16);
  40             color.setRgb( ( intval >> 24 ) & 0xff,   // r
  41                           ( intval >> 16 ) & 0xff,   // g
  42                           ( intval >>  8 ) & 0xff,   // b
  43                           ( intval       ) & 0xff ); // a
  44         } else {
  45             // 0xRRGGBB, 0xRGB
  46             color.setNamedColor(strColor.replace(0, 2, "#"));
  47         }
  48     } else {
  49         if (strColor.length() == 9) {
  50             // #AARRGGBB
  51             strColor = strColor.replace('#', "0x");
  52             intval = strColor.toUInt(&ok, 16);
  53             color.setRgb( ( intval >> 16 ) & 0xff,   // r
  54                           ( intval >>  8 ) & 0xff,   // g
  55                           ( intval       ) & 0xff,   // b
  56                           ( intval >> 24 ) & 0xff ); // a
  57         } else if (strColor.length() == 8) {
  58             // 0xRRGGBB
  59             strColor = strColor.replace('#', "0x");
  60             color.setNamedColor(strColor);
  61         } else {
  62             // #RRGGBB, #RGB
  63             color.setNamedColor(strColor);
  64         }
  65     }
  66
  67     return color;
  68 }
  69
  70 static QString colorToString(QColor color, bool alpha)
  71 {
  72     QString colorStr;
  73     QTextStream stream(&colorStr);
  74     stream << "0x";
  75     stream.setIntegerBase(16);
  76     stream.setFieldWidth(2);
  77     stream.setFieldAlignment(QTextStream::AlignRight);
  78     stream.setPadChar('0');
  79     stream <<  color.red() << color.green() << color.blue();
  80     if(alpha)
  81     {
  82         stream << color.alpha();
  83     }
  84     return colorStr;
  85 }
  86
  87 ChooseColorWidget::ChooseColorWidget(QString text, QString color, QWidget *parent) :
  88         QWidget(parent)
  89 {
  90     QHBoxLayout *layout = new QHBoxLayout(this);
  91     layout->setContentsMargins(0, 0, 0, 0);
  92     layout->setSpacing(0);
  93
  94     QLabel *label = new QLabel(text, this);
  95
  96     QWidget *rightSide = new QWidget(this);
  97     QHBoxLayout *rightSideLayout = new QHBoxLayout(rightSide);
  98     rightSideLayout->setContentsMargins(0, 0, 0, 0);
  99     rightSideLayout->setSpacing(0);
 100
 101     m_button = new KColorButton(stringToColor(color), rightSide);
 102 //     m_button->setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Fixed);
 103     ColorPickerWidget *picker = new ColorPickerWidget(rightSide);
 104
 105     layout->addWidget(label);
 106     layout->addWidget(rightSide);
 107     rightSideLayout->addWidget(m_button);
 108     rightSideLayout->addWidget(picker, 0, Qt::AlignRight);
 109
 110     connect(picker, SIGNAL(colorPicked(QColor)), this, SLOT(setColor(QColor)));
 111     connect(picker, SIGNAL(displayMessage(const QString&, int)), this, SIGNAL(displayMessage(const QString&, int)));
 112     connect(m_button, SIGNAL(changed(QColor)), this, SIGNAL(modified()));
 113 }
 114
 115 QString ChooseColorWidget::getColor()
 116 {
 117     bool alphaChannel = false;
 118 #if KDE_IS_VERSION(4,5,0)
 119     alphaChannel = m_button->isAlphaChannelEnabled();
 120 #endif
 121     return colorToString(m_button->color(), alphaChannel);
 122 }
 123
 124 void ChooseColorWidget::setAlphaChannelEnabled(bool enabled)
 125 {
 126 #if KDE_IS_VERSION(4,5,0)
 127     m_button->setAlphaChannelEnabled(enabled);
 128 #endif
 129 }
 130
 131 void ChooseColorWidget::setColor(QColor color)
 132 {
 133     m_button->setColor(color);
 134 }
 135
 136 #include "choosecolorwidget.moc"