***************************************************************************/
#include "statusbarmessagelabel.h"
-#include <qpainter.h>
-#include <qtimer.h>
-#include <qfontmetrics.h>
-//Added by qt3to4:
-#include <QPixmap>
-#include <QResizeEvent>
-#include <QPaintEvent>
+
+#include <kcolorscheme.h>
#include <kiconloader.h>
-#include <kglobalsettings.h>
+#include <kicon.h>
+#include <klocale.h>
+
+#include <QFontMetrics>
+#include <QPainter>
+#include <QKeyEvent>
+#include <QPushButton>
+#include <QPixmap>
+#include <QTimer>
StatusBarMessageLabel::StatusBarMessageLabel(QWidget* parent) :
QWidget(parent),
m_state(Default),
m_illumination(0),
m_minTextHeight(-1),
- m_timer(0)
+ m_timer(0),
+ m_closeButton(0)
{
- setMinimumHeight(K3Icon::SizeSmall);
+ setMinimumHeight(KIconLoader::SizeSmall);
+
+ QPalette palette;
+ palette.setColor(QPalette::Background, Qt::transparent);
+ setPalette(palette);
m_timer = new QTimer(this);
connect(m_timer, SIGNAL(timeout()),
this, SLOT(timerDone()));
+
+ m_closeButton = new QPushButton(i18nc("@action:button", "Close"), this);
+ m_closeButton->hide();
+ connect(m_closeButton, SIGNAL(clicked()),
+ this, SLOT(closeErrorMessage()));
}
StatusBarMessageLabel::~StatusBarMessageLabel()
{
}
-void StatusBarMessageLabel::setType(DolphinStatusBar::Type type)
+void StatusBarMessageLabel::setMessage(const QString& text,
+ 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);
- QTimer::singleShot(GeometryTimeout, this, SLOT(assureVisibleText()));
- update();
+ if ((text == m_text) && (type == m_type)) {
+ return;
}
-}
-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;
+ if (m_type == DolphinStatusBar::Error) {
+ if (type == DolphinStatusBar::Error) {
+ m_pendingMessages.insert(0, m_text);
+ } else if ((m_state != Default) || !m_pendingMessages.isEmpty()) {
+ // a non-error message should not be shown, as there
+ // are other pending error messages in the queue
+ return;
}
- m_text = text;
- QTimer::singleShot(GeometryTimeout, this, SLOT(assureVisibleText()));
- update();
}
+
+ m_text = text;
+ 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";
+ m_closeButton->hide();
+ break;
+
+ case DolphinStatusBar::Information:
+ iconName = "dialog-information";
+ m_closeButton->hide();
+ break;
+
+ case DolphinStatusBar::Error:
+ m_timer->start(100);
+ m_state = Illuminate;
+
+ updateCloseButtonPosition();
+ m_closeButton->show();
+ break;
+
+ case DolphinStatusBar::Default:
+ default:
+ m_closeButton->hide();
+ break;
+ }
+
+ m_pixmap = (iconName == 0) ? QPixmap() : SmallIcon(iconName);
+ QTimer::singleShot(GeometryTimeout, this, SLOT(assureVisibleText()));
+ update();
}
void StatusBarMessageLabel::setMinimumTextHeight(int min)
if (min != m_minTextHeight) {
m_minTextHeight = min;
setMinimumHeight(min);
+ if (m_closeButton->height() > min) {
+ m_closeButton->setFixedHeight(min);
+ }
}
}
QPainter painter(this);
// draw background
- QColor backgroundColor(palette().brush(QPalette::Background).color());
- QColor foregroundColor(KGlobalSettings::textColor());
+ QColor backgroundColor = palette().window().color();
if (m_illumination > 0) {
- backgroundColor = mixColors(backgroundColor, QColor(255, 255, 64), m_illumination);
- foregroundColor = mixColors(foregroundColor, QColor(0, 0, 0), m_illumination);
+ // at this point, a: we are a second label being drawn over the already
+ // painted status area, so we can be translucent, and b: our palette's
+ // window color (bg only) seems to be wrong (always black)
+ KColorScheme scheme(palette().currentColorGroup(), KColorScheme::Window);
+ backgroundColor = scheme.background(KColorScheme::NegativeBackground).color();
+ backgroundColor.setAlpha(qMin(255, m_illumination*2));
}
painter.setBrush(backgroundColor);
- painter.setPen(backgroundColor);
+ painter.setPen(Qt::NoPen);
painter.drawRect(QRect(0, 0, width(), height()));
// draw pixmap
- int x = pixmapGap();
- int y = (height() - m_pixmap.height()) / 2;
+ int x = BorderGap;
+ int y = (m_minTextHeight - m_pixmap.height()) / 2;
if (!m_pixmap.isNull()) {
painter.drawPixmap(x, y, m_pixmap);
- x += m_pixmap.width() + pixmapGap();
+ x += m_pixmap.width() + BorderGap;
}
// draw text
- painter.setPen(foregroundColor);
+ painter.setPen(palette().windowText().color());
int flags = Qt::AlignVCenter;
if (height() > m_minTextHeight) {
flags = flags | Qt::TextWordWrap;
}
- painter.drawText(QRect(x, 0, width() - x, height()), flags, m_text);
+ painter.drawText(QRect(x, 0, availableTextWidth(), height()), flags, m_text);
painter.end();
}
void StatusBarMessageLabel::resizeEvent(QResizeEvent* event)
{
QWidget::resizeEvent(event);
+ updateCloseButtonPosition();
QTimer::singleShot(GeometryTimeout, 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);
+ case Illuminate: {
+ // increase the illumination
+ const int illumination_max = 128;
+ if (m_illumination < illumination_max) {
+ m_illumination += 32;
+ if (m_illumination > illumination_max) {
+ m_illumination = illumination_max;
}
- break;
+ update();
+ } else {
+ m_state = Illuminated;
+ m_timer->start(5000);
}
+ break;
+ }
- case Illuminated: {
- // start desaturation
- m_state = Desaturate;
- m_timer->start(100);
- 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;
+ case Desaturate: {
+ // desaturate
+ if (m_illumination > 0) {
+ m_illumination -= 5;
+ update();
+ } else {
+ m_state = Default;
+ m_timer->stop();
}
+ break;
+ }
- default:
- break;
+ default:
+ break;
}
}
return;
}
+ // calculate the required height of the widget thats
+ // needed for having a fully visible text
QFontMetrics fontMetrics(font());
const QRect bounds(fontMetrics.boundingRect(0, 0, availableTextWidth(), height(),
- Qt::AlignVCenter | Qt::TextWordWrap,
- m_text));
+ Qt::AlignVCenter | Qt::TextWordWrap,
+ m_text));
int requiredHeight = bounds.height();
if (requiredHeight < m_minTextHeight) {
requiredHeight = m_minTextHeight;
}
- setMinimumHeight(requiredHeight);
- updateGeometry();
+
+ // Increase/decrease the current height of the widget to the
+ // required height. The increasing/decreasing is done in several
+ // steps to have an animation if the height is modified
+ // (see StatusBarMessageLabel::resizeEvent())
+ const int gap = m_minTextHeight / 2;
+ int minHeight = minimumHeight();
+ if (minHeight < requiredHeight) {
+ minHeight += gap;
+ if (minHeight > requiredHeight) {
+ minHeight = requiredHeight;
+ }
+ setMinimumHeight(minHeight);
+ updateGeometry();
+ } else if (minHeight > requiredHeight) {
+ minHeight -= gap;
+ if (minHeight < requiredHeight) {
+ minHeight = requiredHeight;
+ }
+ setMinimumHeight(minHeight);
+ updateGeometry();
+ }
+
+ updateCloseButtonPosition();
}
int StatusBarMessageLabel::availableTextWidth() const
{
- return width() - m_pixmap.width() - pixmapGap() * 2;
+ const int buttonWidth = (m_type == DolphinStatusBar::Error) ?
+ m_closeButton->width() + BorderGap : 0;
+ return width() - m_pixmap.width() - (BorderGap * 4) - buttonWidth;
+}
+
+void StatusBarMessageLabel::updateCloseButtonPosition()
+{
+ const int x = width() - m_closeButton->width() - BorderGap;
+ const int y = (height() - m_closeButton->height()) / 2;
+ m_closeButton->move(x, y);
+}
+
+void StatusBarMessageLabel::closeErrorMessage()
+{
+ if (!showPendingMessage()) {
+ reset();
+ setMessage(m_defaultText, DolphinStatusBar::Default);
+ }
+}
+
+bool StatusBarMessageLabel::showPendingMessage()
+{
+ if (!m_pendingMessages.isEmpty()) {
+ reset();
+ setMessage(m_pendingMessages.takeFirst(), DolphinStatusBar::Error);
+ return true;
+ }
+ return false;
}
-QColor StatusBarMessageLabel::mixColors(const QColor& c1,
- const QColor& c2,
- int percent) const
+void StatusBarMessageLabel::reset()
{
- 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);
+ m_text.clear();
+ m_type = DolphinStatusBar::Default;
}
#include "statusbarmessagelabel.moc"
projects / dolphin.git / blobdiff