Added old KDE3 version of dolphin

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/dolphin@1076309 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 215 insertions, 0 deletions

diff --git a/src/statusbarmessagelabel.cpp b/src/statusbarmessagelabel.cpp
new file mode 100644
index 0000000..3c49c7a
--- /dev/null
+++ b/src/statusbarmessagelabel.cpp
@@ -0,0 +1,215 @@
+/***************************************************************************
+ *   Copyright (C) 2006 by Peter Penz                                      *
+ *   [email protected]                                                     *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   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 General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.             *
+ ***************************************************************************/
+
+#include "statusbarmessagelabel.h"
+#include <qpainter.h>
+#include <qtimer.h>
+#include <qfontmetrics.h>
+#include <kiconloader.h>
+#include <kglobalsettings.h>
+
+StatusBarMessageLabel::StatusBarMessageLabel(QWidget* parent) :
+    QWidget(parent),
+    m_type(DolphinStatusBar::Default),
+    m_state(Default),
+    m_illumination(0),
+    m_minTextHeight(-1),
+    m_timer(0)
+{
+    setMinimumHeight(KIcon::SizeSmall);
+
+    m_timer = new QTimer(this);
+    connect(m_timer, SIGNAL(timeout()),
+            this, SLOT(timerDone()));
+}
+
+StatusBarMessageLabel::~StatusBarMessageLabel()
+{
+}
+
+void StatusBarMessageLabel::setType(DolphinStatusBar::Type type)
+{
+    if (type != m_type) {
+        m_type = type;
+
+        m_timer->stop();
+        m_illumination = 0;
+        m_state = Default;
+
+        const char* iconName = 0;
+        QPixmap pixmap;
+        switch (type) {
+            case DolphinStatusBar::OperationCompleted:
+                iconName = "ok";
+                break;
+
+            case DolphinStatusBar::Information:
+                iconName = "info";
+                break;
+
+            case DolphinStatusBar::Error:
+                iconName = "error";
+                m_timer->start(100);
+                m_state = Illuminate;
+                break;
+
+            case DolphinStatusBar::Default:
+            default: break;
+        }
+
+        m_pixmap = (iconName == 0) ? QPixmap() : SmallIcon(iconName);
+        assureVisibleText();
+        update();
+    }
+}
+
+void StatusBarMessageLabel::setText(const QString& text)
+{
+    if (text != m_text) {
+        if (m_type == DolphinStatusBar::Error) {
+            m_timer->start(100);
+            m_illumination = 0;
+            m_state = Illuminate;
+        }
+        m_text = text;
+        assureVisibleText();
+        update();
+    }
+}
+
+void StatusBarMessageLabel::setMinimumTextHeight(int min)
+{
+    if (min != m_minTextHeight) {
+        m_minTextHeight = min;
+        setMinimumHeight(min);
+    }
+}
+
+void StatusBarMessageLabel::paintEvent(QPaintEvent* /* event */)
+{
+    QPixmap buffer(size());
+    QPainter painter(&buffer);
+
+    // draw background
+    QColor backgroundColor(colorGroup().background());
+    QColor foregroundColor(KGlobalSettings::textColor());
+    if (m_illumination > 0) {
+        backgroundColor = mixColors(backgroundColor, QColor(255, 255, 64), m_illumination);
+        foregroundColor = mixColors(foregroundColor, QColor(0, 0, 0), m_illumination);
+    }
+    painter.setBrush(backgroundColor);
+    painter.setPen(backgroundColor);
+    painter.drawRect(QRect(0, 0, width(), height()));
+
+    // draw pixmap
+    int x = pixmapGap();
+    int y = (height() - m_pixmap.height()) / 2;
+
+    if (!m_pixmap.isNull()) {
+        painter.drawPixmap(x, y, m_pixmap);
+        x += m_pixmap.width() + pixmapGap();
+    }
+
+    // draw text
+    painter.setPen(foregroundColor);
+    painter.drawText(QRect(x, 0, width() - x, height()), Qt::AlignVCenter | Qt::WordBreak, m_text);
+    painter.end();
+
+    bitBlt(this, 0, 0, &buffer);
+}
+
+void StatusBarMessageLabel::resizeEvent(QResizeEvent* event)
+{
+    QWidget::resizeEvent(event);
+    QTimer::singleShot(0, this, SLOT(assureVisibleText()));
+}
+
+void StatusBarMessageLabel::timerDone()
+{
+    switch (m_state) {
+        case Illuminate: {
+            // increase the illumination
+            if (m_illumination < 100) {
+                m_illumination += 20;
+                update();
+            }
+            else {
+                m_state = Illuminated;
+                m_timer->start(1000);
+            }
+            break;
+        }
+
+        case Illuminated: {
+            // start desaturation
+            m_state = Desaturate;
+            m_timer->start(100);
+            break;
+        }
+
+        case Desaturate: {
+            // desaturate
+            if (m_illumination > 0) {
+                m_illumination -= 5;
+                update();
+            }
+            else {
+                m_state = Default;
+                m_timer->stop();
+            }
+            break;
+        }
+
+        default:
+            break;
+    }
+}
+
+void StatusBarMessageLabel::assureVisibleText()
+{
+    if (m_text.isEmpty()) {
+        return;
+    }
+
+
+    int availableWidth = width() - m_pixmap.width() - pixmapGap() * 2;
+
+    QFontMetrics fontMetrics(font());
+    QRect bounds(fontMetrics.boundingRect(0, 0, availableWidth, height(),
+                                          Qt::AlignVCenter | Qt::WordBreak,
+                                          m_text));
+    int requiredHeight = bounds.height();
+    if (requiredHeight < m_minTextHeight) {
+        requiredHeight = m_minTextHeight;
+    }
+    setMinimumHeight(requiredHeight);
+    updateGeometry();
+}
+
+QColor StatusBarMessageLabel::mixColors(const QColor& c1,
+                                        const QColor& c2,
+                                        int percent) const
+{
+    const int recip = 100 - percent;
+    const int red   = (c1.red()   * recip + c2.red()   * percent) / 100;
+    const int green = (c1.green() * recip + c2.green() * percent) / 100;
+    const int blue  = (c1.blue()  * recip + c2.blue()  * percent) / 100;
+    return QColor(red, green, blue);
+}