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Plasma

checkbox.cpp

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00001 /*
00002  *   Copyright 2008 Aaron Seigo <aseigo@kde.org>
00003  *
00004  *   This program is free software; you can redistribute it and/or modify
00005  *   it under the terms of the GNU Library General Public License as
00006  *   published by the Free Software Foundation; either version 2, or
00007  *   (at your option) any later version.
00008  *
00009  *   This program is distributed in the hope that it will be useful,
00010  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  *   GNU General Public License for more details
00013  *
00014  *   You should have received a copy of the GNU Library General Public
00015  *   License along with this program; if not, write to the
00016  *   Free Software Foundation, Inc.,
00017  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
00018  */
00019 
00020 #include "checkbox.h"
00021 
00022 #include <QCheckBox>
00023 #include <QPainter>
00024 #include <QDir>
00025 
00026 #include <kmimetype.h>
00027 
00028 #include "theme.h"
00029 #include "svg.h"
00030 
00031 namespace Plasma
00032 {
00033 
00034 class CheckBoxPrivate
00035 {
00036 public:
00037     CheckBoxPrivate(CheckBox *c)
00038         : q(c),
00039           svg(0)
00040     {
00041     }
00042 
00043     ~CheckBoxPrivate()
00044     {
00045         delete svg;
00046     }
00047 
00048     void setPixmap()
00049     {
00050         if (imagePath.isEmpty()) {
00051             delete svg;
00052             svg = 0;
00053             return;
00054         }
00055 
00056         KMimeType::Ptr mime = KMimeType::findByPath(absImagePath);
00057         QPixmap pm(q->size().toSize());
00058 
00059         if (mime->is("image/svg+xml") || mime->is("image/svg+xml-compressed")) {
00060             if (!svg || svg->imagePath() != imagePath) {
00061                 delete svg;
00062                 svg = new Svg();
00063                 svg->setImagePath(imagePath);
00064                 QObject::connect(svg, SIGNAL(repaintNeeded()), q, SLOT(setPixmap()));
00065             }
00066 
00067             QPainter p(&pm);
00068             svg->paint(&p, pm.rect());
00069         } else {
00070             delete svg;
00071             svg = 0;
00072             pm = QPixmap(absImagePath);
00073         }
00074 
00075         static_cast<QCheckBox*>(q->widget())->setIcon(QIcon(pm));
00076     }
00077 
00078     void setPalette()
00079     {
00080         QCheckBox *native = q->nativeWidget();
00081         QColor color = Theme::defaultTheme()->color(Theme::TextColor);
00082         QPalette p = native->palette();
00083         p.setColor(QPalette::Normal, QPalette::WindowText, color);
00084         p.setColor(QPalette::Inactive, QPalette::WindowText, color);
00085         native->setPalette(p);
00086     }
00087 
00088     CheckBox *q;
00089     QString imagePath;
00090     QString absImagePath;
00091     Svg *svg;
00092 };
00093 
00094 CheckBox::CheckBox(QGraphicsWidget *parent)
00095     : QGraphicsProxyWidget(parent),
00096       d(new CheckBoxPrivate(this))
00097 {
00098     QCheckBox *native = new QCheckBox;
00099     connect(native, SIGNAL(toggled(bool)), this, SIGNAL(toggled(bool)));
00100     setWidget(native);
00101     d->setPalette();
00102     native->setAttribute(Qt::WA_NoSystemBackground);
00103     connect(Theme::defaultTheme(), SIGNAL(themeChanged()), this, SLOT(setPalette()));
00104 }
00105 
00106 CheckBox::~CheckBox()
00107 {
00108     delete d;
00109 }
00110 
00111 void CheckBox::setText(const QString &text)
00112 {
00113     static_cast<QCheckBox*>(widget())->setText(text);
00114 }
00115 
00116 QString CheckBox::text() const
00117 {
00118     return static_cast<QCheckBox*>(widget())->text();
00119 }
00120 
00121 void CheckBox::setImage(const QString &path)
00122 {
00123     if (d->imagePath == path) {
00124         return;
00125     }
00126 
00127     delete d->svg;
00128     d->svg = 0;
00129     d->imagePath = path;
00130 
00131     bool absolutePath = !path.isEmpty() &&
00132                         #ifdef Q_WS_WIN
00133                             !QDir::isRelativePath(path)
00134                         #else
00135                             (path[0] == '/' || path.startsWith(":/"))
00136                         #endif
00137         ;
00138 
00139     if (absolutePath) {
00140         d->absImagePath = path;
00141     } else {
00142         //TODO: package support
00143         d->absImagePath = Theme::defaultTheme()->imagePath(path);
00144     }
00145 
00146     d->setPixmap();
00147 }
00148 
00149 QString CheckBox::image() const
00150 {
00151     return d->imagePath;
00152 }
00153 
00154 void CheckBox::setStyleSheet(const QString &stylesheet)
00155 {
00156     widget()->setStyleSheet(stylesheet);
00157 }
00158 
00159 QString CheckBox::styleSheet()
00160 {
00161     return widget()->styleSheet();
00162 }
00163 
00164 QCheckBox *CheckBox::nativeWidget() const
00165 {
00166     return static_cast<QCheckBox*>(widget());
00167 }
00168 
00169 void CheckBox::resizeEvent(QGraphicsSceneResizeEvent *event)
00170 {
00171     d->setPixmap();
00172     QGraphicsProxyWidget::resizeEvent(event);
00173 }
00174 
00175 void CheckBox::setChecked(bool checked)
00176 {
00177     static_cast<QCheckBox*>(widget())->setChecked(checked);
00178 }
00179 
00180 bool CheckBox::isChecked() const
00181 {
00182     return static_cast<QCheckBox*>(widget())->isChecked();
00183 }
00184 
00185 } // namespace Plasma
00186 
00187 #include <checkbox.moc>
00188 

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