mirror of
https://github.com/subsurface/subsurface.git
synced 2024-12-05 00:21:29 +00:00
9021a44ccc
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
482 lines
14 KiB
C++
482 lines
14 KiB
C++
// SPDX-License-Identifier: LGPL-2.1+
|
|
/* 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>
|
|
#include <cmath>
|
|
|
|
//---------------------------------------------------------------------
|
|
// 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(lrint(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"
|