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Diffstat (limited to 'src/statusbar/statusbarmessagelabel.cpp')
| -rw-r--r-- | src/statusbar/statusbarmessagelabel.cpp | 332 |
1 files changed, 0 insertions, 332 deletions
diff --git a/src/statusbar/statusbarmessagelabel.cpp b/src/statusbar/statusbarmessagelabel.cpp deleted file mode 100644 index 5ebe38bf4..000000000 --- a/src/statusbar/statusbarmessagelabel.cpp +++ /dev/null @@ -1,332 +0,0 @@ -/*************************************************************************** - * 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 <kcolorscheme.h> -#include <kiconloader.h> -#include <kicon.h> -#include <klocale.h> - -#include <QFontMetrics> -#include <QPainter> -#include <QKeyEvent> -#include <QPixmap> -#include <QToolButton> -#include <QTimer> - -StatusBarMessageLabel::StatusBarMessageLabel(QWidget* parent) : - QWidget(parent), - m_type(DolphinStatusBar::Default), - m_state(Default), - m_illumination(0), - m_minTextHeight(-1), - m_timer(0), - m_closeButton(0) -{ - setMinimumHeight(KIconLoader::SizeSmall); - - m_timer = new QTimer(this); - connect(m_timer, SIGNAL(timeout()), - this, SLOT(timerDone())); - - m_closeButton = new QToolButton(this); - m_closeButton->setAutoRaise(true); - m_closeButton->setIcon(KIcon("dialog-close")); - m_closeButton->setToolTip(i18nc("@info", "Close")); - m_closeButton->hide(); - connect(m_closeButton, SIGNAL(clicked()), - this, SLOT(closeErrorMessage())); -} - -StatusBarMessageLabel::~StatusBarMessageLabel() -{ -} - -void StatusBarMessageLabel::setMessage(const QString& text, - DolphinStatusBar::Type type) -{ - if ((text == m_text) && (type == m_type)) { - return; - } - - 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; - m_type = type; - - m_timer->stop(); - m_illumination = 0; - m_state = Default; - - const char* iconName = 0; - QPixmap pixmap; - switch (type) { - case DolphinStatusBar::OperationCompleted: - iconName = "dialog-ok"; - // "ok" icon should probably be "dialog-success", but we don't have that icon in KDE 4.0 - 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(); -} - -DolphinStatusBar::Type StatusBarMessageLabel::type() const -{ - return m_type; -} - -QString StatusBarMessageLabel::text() const -{ - return m_text; -} - -void StatusBarMessageLabel::setDefaultText(const QString& text) -{ - m_defaultText = text; -} - -QString StatusBarMessageLabel::defaultText() const -{ - return m_defaultText; -} - -void StatusBarMessageLabel::setMinimumTextHeight(int min) -{ - if (min != m_minTextHeight) { - m_minTextHeight = min; - setMinimumHeight(min); - if (m_closeButton->height() > min) { - m_closeButton->setFixedHeight(min); - } - } -} - -int StatusBarMessageLabel::minimumTextHeight() const -{ - return m_minTextHeight; -} - -int StatusBarMessageLabel::widthGap() const -{ - QFontMetrics fontMetrics(font()); - const int defaultGap = 10; - return fontMetrics.width(m_text) - availableTextWidth() + defaultGap; -} - -void StatusBarMessageLabel::paintEvent(QPaintEvent* /* event */) -{ - QPainter painter(this); - - if (m_illumination > 0) { - // 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); - QColor backgroundColor = scheme.background(KColorScheme::NegativeBackground).color(); - backgroundColor.setAlpha(qMin(255, m_illumination * 2)); - painter.setBrush(backgroundColor); - painter.setPen(Qt::NoPen); - painter.drawRect(QRect(0, 0, width(), height())); - } - - // draw pixmap - int x = BorderGap; - const int y = (m_minTextHeight - m_pixmap.height()) / 2; - - if (!m_pixmap.isNull()) { - painter.drawPixmap(x, y, m_pixmap); - x += m_pixmap.width() + BorderGap; - } - - // draw text - painter.setPen(palette().windowText().color()); - int flags = Qt::AlignVCenter; - if (height() > m_minTextHeight) { - flags = flags | Qt::TextWordWrap; - } - 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 - const int illumination_max = 128; - if (m_illumination < illumination_max) { - m_illumination += 32; - if (m_illumination > illumination_max) { - m_illumination = illumination_max; - } - update(); - } else { - m_state = Illuminated; - m_timer->start(5000); - } - 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 requiredHeight = m_minTextHeight; - if (m_type != DolphinStatusBar::Default) { - // Calculate the required height of the widget thats - // needed for having a fully visible text. Note that for the default - // statusbar type (e. g. hover information) increasing the text height - // is not wanted, as this might rearrange the layout of items. - - QFontMetrics fontMetrics(font()); - const QRect bounds(fontMetrics.boundingRect(0, 0, availableTextWidth(), height(), - Qt::AlignVCenter | Qt::TextWordWrap, m_text)); - requiredHeight = bounds.height(); - if (requiredHeight < m_minTextHeight) { - requiredHeight = m_minTextHeight; - } - } - - // 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 -{ - 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; - m_closeButton->move(x, 0); -} - -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; -} - -void StatusBarMessageLabel::reset() -{ - m_text.clear(); - m_type = DolphinStatusBar::Default; -} - -#include "statusbarmessagelabel.moc" |