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/***************************************************************************
* 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 <tqpainter.h>
#include <tqtimer.h>
#include <tqfontmetrics.h>
#include <kiconloader.h>
#include <kglobalsettings.h>
StatusBarMessageLabel::StatusBarMessageLabel(TQWidget* parent) :
TQWidget(parent),
m_type(DolphinStatusBar::Default),
m_state(Default),
m_illumination(0),
m_minTextHeight(-1),
m_timer(0)
{
setMinimumHeight(KIcon::SizeSmall);
m_timer = new TQTimer(this);
connect(m_timer, TQT_SIGNAL(timeout()),
this, TQT_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;
TQPixmap 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) ? TQPixmap() : SmallIcon(iconName);
assureVisibleText();
update();
}
}
void StatusBarMessageLabel::setText(const TQString& 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(TQPaintEvent* /* event */)
{
TQPixmap buffer(size());
TQPainter painter(&buffer);
// draw background
TQColor backgroundColor(colorGroup().background());
TQColor foregroundColor(TDEGlobalSettings::textColor());
if (m_illumination > 0) {
backgroundColor = mixColors(backgroundColor, TQColor(255, 255, 64), m_illumination);
foregroundColor = mixColors(foregroundColor, TQColor(0, 0, 0), m_illumination);
}
painter.setBrush(backgroundColor);
painter.setPen(backgroundColor);
painter.drawRect(TQRect(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(TQRect(x, 0, width() - x, height()), TQt::AlignVCenter | TQt::WordBreak, m_text);
painter.end();
bitBlt(this, 0, 0, &buffer);
}
void StatusBarMessageLabel::resizeEvent(TQResizeEvent* event)
{
TQWidget::resizeEvent(event);
TQTimer::singleShot(0, this, TQT_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;
TQFontMetrics fontMetrics(font());
TQRect bounds(fontMetrics.boundingRect(0, 0, availableWidth, height(),
TQt::AlignVCenter | TQt::WordBreak,
m_text));
int requiredHeight = bounds.height();
if (requiredHeight < m_minTextHeight) {
requiredHeight = m_minTextHeight;
}
setMinimumHeight(requiredHeight);
updateGeometry();
}
TQColor StatusBarMessageLabel::mixColors(const TQColor& c1,
const TQColor& 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 TQColor(red, green, blue);
}
#include "statusbarmessagelabel.moc"
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