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Diffstat (limited to 'qt-ui/kmessagewidget.cpp')
| -rw-r--r-- | qt-ui/kmessagewidget.cpp | 480 |
1 files changed, 0 insertions, 480 deletions
diff --git a/qt-ui/kmessagewidget.cpp b/qt-ui/kmessagewidget.cpp deleted file mode 100644 index 2e506af2d..000000000 --- a/qt-ui/kmessagewidget.cpp +++ /dev/null @@ -1,480 +0,0 @@ -/* This file is part of the KDE libraries - * - * Copyright (c) 2011 Aurélien Gâteau <agateau@kde.org> - * Copyright (c) 2014 Dominik Haumann <dhaumann@kde.org> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301 USA - */ -#include "kmessagewidget.h" - -#include <QAction> -#include <QEvent> -#include <QGridLayout> -#include <QHBoxLayout> -#include <QLabel> -#include <QPainter> -#include <QShowEvent> -#include <QTimeLine> -#include <QToolButton> -#include <QStyle> - -//--------------------------------------------------------------------- -// KMessageWidgetPrivate -//--------------------------------------------------------------------- -class KMessageWidgetPrivate -{ -public: - void init(KMessageWidget *); - - KMessageWidget *q; - QFrame *content; - QLabel *iconLabel; - QLabel *textLabel; - QToolButton *closeButton; - QTimeLine *timeLine; - QIcon icon; - - KMessageWidget::MessageType messageType; - bool wordWrap; - QList<QToolButton *> buttons; - QPixmap contentSnapShot; - - void createLayout(); - void updateSnapShot(); - void updateLayout(); - void slotTimeLineChanged(qreal); - void slotTimeLineFinished(); - - int bestContentHeight() const; -}; - -void KMessageWidgetPrivate::init(KMessageWidget *q_ptr) -{ - q = q_ptr; - - q->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Fixed); - - timeLine = new QTimeLine(500, q); - QObject::connect(timeLine, SIGNAL(valueChanged(qreal)), q, SLOT(slotTimeLineChanged(qreal))); - QObject::connect(timeLine, SIGNAL(finished()), q, SLOT(slotTimeLineFinished())); - - content = new QFrame(q); - content->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed); - - wordWrap = false; - - iconLabel = new QLabel(content); - iconLabel->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed); - iconLabel->hide(); - - textLabel = new QLabel(content); - textLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed); - textLabel->setTextInteractionFlags(Qt::TextBrowserInteraction); - QObject::connect(textLabel, SIGNAL(linkActivated(QString)), q, SIGNAL(linkActivated(QString))); - QObject::connect(textLabel, SIGNAL(linkHovered(QString)), q, SIGNAL(linkHovered(QString))); - - QAction *closeAction = new QAction(q); - closeAction->setText(KMessageWidget::tr("&Close")); - closeAction->setToolTip(KMessageWidget::tr("Close message")); - closeAction->setIcon(q->style()->standardIcon(QStyle::SP_DialogCloseButton)); - - QObject::connect(closeAction, SIGNAL(triggered(bool)), q, SLOT(animatedHide())); - - closeButton = new QToolButton(content); - closeButton->setAutoRaise(true); - closeButton->setDefaultAction(closeAction); - - q->setMessageType(KMessageWidget::Information); -} - -void KMessageWidgetPrivate::createLayout() -{ - delete content->layout(); - - content->resize(q->size()); - - qDeleteAll(buttons); - buttons.clear(); - - Q_FOREACH (QAction *action, q->actions()) { - QToolButton *button = new QToolButton(content); - button->setDefaultAction(action); - button->setToolButtonStyle(Qt::ToolButtonTextBesideIcon); - buttons.append(button); - } - - // AutoRaise reduces visual clutter, but we don't want to turn it on if - // there are other buttons, otherwise the close button will look different - // from the others. - closeButton->setAutoRaise(buttons.isEmpty()); - - if (wordWrap) { - QGridLayout *layout = new QGridLayout(content); - // Set alignment to make sure icon does not move down if text wraps - layout->addWidget(iconLabel, 0, 0, 1, 1, Qt::AlignHCenter | Qt::AlignTop); - layout->addWidget(textLabel, 0, 1); - - QHBoxLayout *buttonLayout = new QHBoxLayout; - buttonLayout->addStretch(); - Q_FOREACH (QToolButton *button, buttons) { - // For some reason, calling show() is necessary if wordwrap is true, - // otherwise the buttons do not show up. It is not needed if - // wordwrap is false. - button->show(); - buttonLayout->addWidget(button); - } - buttonLayout->addWidget(closeButton); - layout->addItem(buttonLayout, 1, 0, 1, 2); - } else { - QHBoxLayout *layout = new QHBoxLayout(content); - layout->addWidget(iconLabel); - layout->addWidget(textLabel); - - Q_FOREACH (QToolButton *button, buttons) { - layout->addWidget(button); - } - - layout->addWidget(closeButton); - }; - - if (q->isVisible()) { - q->setFixedHeight(content->sizeHint().height()); - } - q->updateGeometry(); -} - -void KMessageWidgetPrivate::updateLayout() -{ - if (content->layout()) { - createLayout(); - } -} - -void KMessageWidgetPrivate::updateSnapShot() -{ - // Attention: updateSnapShot calls QWidget::render(), which causes the whole - // window layouts to be activated. Calling this method from resizeEvent() - // can lead to infinite recursion, see: - // https://bugs.kde.org/show_bug.cgi?id=311336 - contentSnapShot = QPixmap(content->size() * q->devicePixelRatio()); - contentSnapShot.setDevicePixelRatio(q->devicePixelRatio()); - contentSnapShot.fill(Qt::transparent); - content->render(&contentSnapShot, QPoint(), QRegion(), QWidget::DrawChildren); -} - -void KMessageWidgetPrivate::slotTimeLineChanged(qreal value) -{ - q->setFixedHeight(qMin(value * 2, qreal(1.0)) * content->height()); - q->update(); -} - -void KMessageWidgetPrivate::slotTimeLineFinished() -{ - if (timeLine->direction() == QTimeLine::Forward) { - // Show - // We set the whole geometry here, because it may be wrong if a - // KMessageWidget is shown right when the toplevel window is created. - content->setGeometry(0, 0, q->width(), bestContentHeight()); - - // notify about finished animation - emit q->showAnimationFinished(); - } else { - // hide and notify about finished animation - q->hide(); - emit q->hideAnimationFinished(); - } -} - -int KMessageWidgetPrivate::bestContentHeight() const -{ - int height = content->heightForWidth(q->width()); - if (height == -1) { - height = content->sizeHint().height(); - } - return height; -} - -//--------------------------------------------------------------------- -// KMessageWidget -//--------------------------------------------------------------------- -KMessageWidget::KMessageWidget(QWidget *parent) - : QFrame(parent) - , d(new KMessageWidgetPrivate) -{ - d->init(this); -} - -KMessageWidget::KMessageWidget(const QString &text, QWidget *parent) - : QFrame(parent) - , d(new KMessageWidgetPrivate) -{ - d->init(this); - setText(text); -} - -KMessageWidget::~KMessageWidget() -{ - delete d; -} - -QString KMessageWidget::text() const -{ - return d->textLabel->text(); -} - -void KMessageWidget::setText(const QString &text) -{ - d->textLabel->setText(text); - updateGeometry(); -} - -KMessageWidget::MessageType KMessageWidget::messageType() const -{ - return d->messageType; -} - -static QColor darkShade(QColor c) -{ - qreal contrast = 0.7; // taken from kcolorscheme for the dark shade - - qreal darkAmount; - if (c.lightnessF() < 0.006) { /* too dark */ - darkAmount = 0.02 + 0.40 * contrast; - } else if (c.lightnessF() > 0.93) { /* too bright */ - darkAmount = -0.06 - 0.60 * contrast; - } else { - darkAmount = (-c.lightnessF()) * (0.55 + contrast * 0.35); - } - - qreal v = c.lightnessF() + darkAmount; - v = v > 0.0 ? (v < 1.0 ? v : 1.0) : 0.0; - c.setHsvF(c.hslHueF(), c.hslSaturationF(), v); - return c; -} - -void KMessageWidget::setMessageType(KMessageWidget::MessageType type) -{ - d->messageType = type; - QColor bg0, bg1, bg2, border, fg; - switch (type) { - case Positive: - bg1.setRgb(0, 110, 40); // values taken from kcolorscheme.cpp (Positive) - break; - case Information: - bg1 = palette().highlight().color(); - break; - case Warning: - bg1.setRgb(176, 128, 0); // values taken from kcolorscheme.cpp (Neutral) - break; - case Error: - bg1.setRgb(191, 3, 3); // values taken from kcolorscheme.cpp (Negative) - break; - } - - // Colors - fg = palette().highlightedText().color(); - bg0 = bg1.lighter(110); - bg2 = bg1.darker(110); - border = darkShade(bg1); - - d->content->setStyleSheet( - QString(QLatin1String(".QFrame {" - "background-color: qlineargradient(x1: 0, y1: 0, x2: 0, y2: 1," - " stop: 0 %1," - " stop: 0.1 %2," - " stop: 1.0 %3);" - "border-radius: 5px;" - "border: 1px solid %4;" - "margin: %5px;" - "}" - ".QLabel { color: %6; }" - )) - .arg(bg0.name()) - .arg(bg1.name()) - .arg(bg2.name()) - .arg(border.name()) - // DefaultFrameWidth returns the size of the external margin + border width. We know our border is 1px, so we subtract this from the frame normal QStyle FrameWidth to get our margin - .arg(style()->pixelMetric(QStyle::PM_DefaultFrameWidth, 0, this) - 1) - .arg(fg.name()) - ); -} - -QSize KMessageWidget::sizeHint() const -{ - ensurePolished(); - return d->content->sizeHint(); -} - -QSize KMessageWidget::minimumSizeHint() const -{ - ensurePolished(); - return d->content->minimumSizeHint(); -} - -bool KMessageWidget::event(QEvent *event) -{ - if (event->type() == QEvent::Polish && !d->content->layout()) { - d->createLayout(); - } - return QFrame::event(event); -} - -void KMessageWidget::resizeEvent(QResizeEvent *event) -{ - QFrame::resizeEvent(event); - - if (d->timeLine->state() == QTimeLine::NotRunning) { - d->content->resize(width(), d->bestContentHeight()); - } -} - -int KMessageWidget::heightForWidth(int width) const -{ - ensurePolished(); - return d->content->heightForWidth(width); -} - -void KMessageWidget::paintEvent(QPaintEvent *event) -{ - QFrame::paintEvent(event); - if (d->timeLine->state() == QTimeLine::Running) { - QPainter painter(this); - painter.setOpacity(d->timeLine->currentValue() * d->timeLine->currentValue()); - painter.drawPixmap(0, 0, d->contentSnapShot); - } -} - -bool KMessageWidget::wordWrap() const -{ - return d->wordWrap; -} - -void KMessageWidget::setWordWrap(bool wordWrap) -{ - d->wordWrap = wordWrap; - d->textLabel->setWordWrap(wordWrap); - QSizePolicy policy = sizePolicy(); - policy.setHeightForWidth(wordWrap); - setSizePolicy(policy); - d->updateLayout(); - // Without this, when user does wordWrap -> !wordWrap -> wordWrap, a minimum - // height is set, causing the widget to be too high. - // Mostly visible in test programs. - if (wordWrap) { - setMinimumHeight(0); - } -} - -bool KMessageWidget::isCloseButtonVisible() const -{ - return d->closeButton->isVisible(); -} - -void KMessageWidget::setCloseButtonVisible(bool show) -{ - d->closeButton->setVisible(show); - updateGeometry(); -} - -void KMessageWidget::addAction(QAction *action) -{ - QFrame::addAction(action); - d->updateLayout(); -} - -void KMessageWidget::removeAction(QAction *action) -{ - QFrame::removeAction(action); - d->updateLayout(); -} - -void KMessageWidget::animatedShow() -{ - if (!style()->styleHint(QStyle::SH_Widget_Animate, 0, this)) { - show(); - emit showAnimationFinished(); - return; - } - - if (isVisible()) { - return; - } - - QFrame::show(); - setFixedHeight(0); - int wantedHeight = d->bestContentHeight(); - d->content->setGeometry(0, -wantedHeight, width(), wantedHeight); - - d->updateSnapShot(); - - d->timeLine->setDirection(QTimeLine::Forward); - if (d->timeLine->state() == QTimeLine::NotRunning) { - d->timeLine->start(); - } -} - -void KMessageWidget::animatedHide() -{ - if (!style()->styleHint(QStyle::SH_Widget_Animate, 0, this)) { - hide(); - emit hideAnimationFinished(); - return; - } - - if (!isVisible()) { - hide(); - return; - } - - d->content->move(0, -d->content->height()); - d->updateSnapShot(); - - d->timeLine->setDirection(QTimeLine::Backward); - if (d->timeLine->state() == QTimeLine::NotRunning) { - d->timeLine->start(); - } -} - -bool KMessageWidget::isHideAnimationRunning() const -{ - return (d->timeLine->direction() == QTimeLine::Backward) - && (d->timeLine->state() == QTimeLine::Running); -} - -bool KMessageWidget::isShowAnimationRunning() const -{ - return (d->timeLine->direction() == QTimeLine::Forward) - && (d->timeLine->state() == QTimeLine::Running); -} - -QIcon KMessageWidget::icon() const -{ - return d->icon; -} - -void KMessageWidget::setIcon(const QIcon &icon) -{ - d->icon = icon; - if (d->icon.isNull()) { - d->iconLabel->hide(); - } else { - const int size = style()->pixelMetric(QStyle::PM_ToolBarIconSize); - d->iconLabel->setPixmap(d->icon.pixmap(size)); - d->iconLabel->show(); - } -} - -#include "moc_kmessagewidget.cpp" |