forked from qt-creator/qt-creator
8e75e611a5
To enabled reuse from all plugins. Change-Id: I1de68c8e6ed017d45f1248b2043f9611becc3b54 Reviewed-by: David Schulz <david.schulz@digia.com>
296 lines
8.3 KiB
C++
296 lines
8.3 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
|
|
** Contact: http://www.qt-project.org/legal
|
|
**
|
|
** This file is part of Qt Creator.
|
|
**
|
|
** Commercial License Usage
|
|
** Licensees holding valid commercial Qt licenses may use this file in
|
|
** accordance with the commercial license agreement provided with the
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
** a written agreement between you and Digia. For licensing terms and
|
|
** conditions see http://qt.digia.com/licensing. For further information
|
|
** use the contact form at http://qt.digia.com/contact-us.
|
|
**
|
|
** GNU Lesser General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU Lesser
|
|
** General Public License version 2.1 as published by the Free Software
|
|
** Foundation and appearing in the file LICENSE.LGPL included in the
|
|
** packaging of this file. Please review the following information to
|
|
** ensure the GNU Lesser General Public License version 2.1 requirements
|
|
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
**
|
|
** In addition, as a special exception, Digia gives you certain additional
|
|
** rights. These rights are described in the Digia Qt LGPL Exception
|
|
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
**
|
|
****************************************************************************/
|
|
|
|
#include "tooltip.h"
|
|
#include "tips.h"
|
|
#include "tipcontents.h"
|
|
#include "tipfactory.h"
|
|
#include "effects.h"
|
|
#include "reuse.h"
|
|
|
|
#include "hostosinfo.h"
|
|
|
|
#include <QString>
|
|
#include <QColor>
|
|
#include <QApplication>
|
|
#include <QKeyEvent>
|
|
#include <QMouseEvent>
|
|
#include <QMenu>
|
|
|
|
#include <QDebug>
|
|
|
|
using namespace Utils;
|
|
using namespace Internal;
|
|
|
|
ToolTip::ToolTip() : m_tipFactory(new TipFactory), m_tip(0), m_widget(0)
|
|
{
|
|
connect(&m_showTimer, SIGNAL(timeout()), this, SLOT(hideTipImmediately()));
|
|
connect(&m_hideDelayTimer, SIGNAL(timeout()), this, SLOT(hideTipImmediately()));
|
|
}
|
|
|
|
ToolTip::~ToolTip()
|
|
{
|
|
m_tip = 0;
|
|
delete m_tipFactory;
|
|
}
|
|
|
|
ToolTip *ToolTip::instance()
|
|
{
|
|
static ToolTip tooltip;
|
|
return &tooltip;
|
|
}
|
|
|
|
void ToolTip::show(const QPoint &pos, const TipContent &content, QWidget *w, const QRect &rect)
|
|
{
|
|
if (acceptShow(content, pos, w, rect)) {
|
|
#ifndef Q_OS_WIN
|
|
m_tip = m_tipFactory->createTip(content, w);
|
|
#else
|
|
m_tip = m_tipFactory->createTip(
|
|
content, QApplication::desktop()->screen(Internal::screenNumber(pos, w)));
|
|
#endif
|
|
setUp(pos, content, w, rect);
|
|
qApp->installEventFilter(this);
|
|
showTip();
|
|
}
|
|
}
|
|
|
|
void ToolTip::show(const QPoint &pos, const TipContent &content, QWidget *w)
|
|
{
|
|
show(pos, content, w, QRect());
|
|
}
|
|
|
|
bool ToolTip::acceptShow(const TipContent &content,
|
|
const QPoint &pos,
|
|
QWidget *w,
|
|
const QRect &rect)
|
|
{
|
|
if (!validateContent(content))
|
|
return false;
|
|
|
|
if (isVisible()) {
|
|
if (m_tip->canHandleContentReplacement(content)) {
|
|
// Reuse current tip.
|
|
QPoint localPos = pos;
|
|
if (w)
|
|
localPos = w->mapFromGlobal(pos);
|
|
if (tipChanged(localPos, content, w))
|
|
setUp(pos, content, w, rect);
|
|
return false;
|
|
}
|
|
hideTipImmediately();
|
|
}
|
|
#if !defined(QT_NO_EFFECTS) && !defined(Q_OS_MAC)
|
|
// While the effect takes places it might be that although the widget is actually on
|
|
// screen the isVisible method doesn't return true.
|
|
else if (m_tip
|
|
&& (QApplication::isEffectEnabled(Qt::UI_FadeTooltip)
|
|
|| QApplication::isEffectEnabled(Qt::UI_AnimateTooltip))) {
|
|
hideTipImmediately();
|
|
}
|
|
#endif
|
|
return true;
|
|
}
|
|
|
|
bool ToolTip::validateContent(const TipContent &content)
|
|
{
|
|
if (!content.isValid()) {
|
|
if (isVisible())
|
|
hideTipWithDelay();
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void ToolTip::setUp(const QPoint &pos, const TipContent &content, QWidget *w, const QRect &rect)
|
|
{
|
|
m_tip->setContent(content);
|
|
m_tip->configure(pos, w);
|
|
|
|
placeTip(pos, w);
|
|
setTipRect(w, rect);
|
|
|
|
if (m_hideDelayTimer.isActive())
|
|
m_hideDelayTimer.stop();
|
|
m_showTimer.start(content.showTime());
|
|
}
|
|
|
|
bool ToolTip::tipChanged(const QPoint &pos, const TipContent &content, QWidget *w) const
|
|
{
|
|
if (!m_tip->content().equals(content) || m_widget != w)
|
|
return true;
|
|
if (!m_rect.isNull())
|
|
return !m_rect.contains(pos);
|
|
return false;
|
|
}
|
|
|
|
void ToolTip::setTipRect(QWidget *w, const QRect &rect)
|
|
{
|
|
if (!m_rect.isNull() && !w)
|
|
qWarning("ToolTip::show: Cannot pass null widget if rect is set");
|
|
else{
|
|
m_widget = w;
|
|
m_rect = rect;
|
|
}
|
|
}
|
|
|
|
bool ToolTip::isVisible() const
|
|
{
|
|
return m_tip && m_tip->isVisible();
|
|
}
|
|
|
|
void ToolTip::showTip()
|
|
{
|
|
#if !defined(QT_NO_EFFECTS) && !defined(Q_OS_MAC)
|
|
if (QApplication::isEffectEnabled(Qt::UI_FadeTooltip))
|
|
qFadeEffect(m_tip);
|
|
else if (QApplication::isEffectEnabled(Qt::UI_AnimateTooltip))
|
|
qScrollEffect(m_tip);
|
|
else
|
|
m_tip->show();
|
|
#else
|
|
m_tip->show();
|
|
#endif
|
|
}
|
|
|
|
void ToolTip::hide()
|
|
{
|
|
hideTipWithDelay();
|
|
}
|
|
|
|
void ToolTip::hideTipWithDelay()
|
|
{
|
|
if (!m_hideDelayTimer.isActive())
|
|
m_hideDelayTimer.start(300);
|
|
}
|
|
|
|
void ToolTip::hideTipImmediately()
|
|
{
|
|
if (m_tip) {
|
|
m_tip->close();
|
|
m_tip->deleteLater();
|
|
m_tip = 0;
|
|
}
|
|
m_showTimer.stop();
|
|
m_hideDelayTimer.stop();
|
|
qApp->removeEventFilter(this);
|
|
}
|
|
|
|
void ToolTip::placeTip(const QPoint &pos, QWidget *w)
|
|
{
|
|
QRect screen = Internal::screenGeometry(pos, w);
|
|
QPoint p = pos;
|
|
p += QPoint(2, Utils::HostOsInfo::isWindowsHost() ? 21 : 16);
|
|
if (p.x() + m_tip->width() > screen.x() + screen.width())
|
|
p.rx() -= 4 + m_tip->width();
|
|
if (p.y() + m_tip->height() > screen.y() + screen.height())
|
|
p.ry() -= 24 + m_tip->height();
|
|
if (p.y() < screen.y())
|
|
p.setY(screen.y());
|
|
if (p.x() + m_tip->width() > screen.x() + screen.width())
|
|
p.setX(screen.x() + screen.width() - m_tip->width());
|
|
if (p.x() < screen.x())
|
|
p.setX(screen.x());
|
|
if (p.y() + m_tip->height() > screen.y() + screen.height())
|
|
p.setY(screen.y() + screen.height() - m_tip->height());
|
|
|
|
m_tip->move(p);
|
|
}
|
|
|
|
bool ToolTip::eventFilter(QObject *o, QEvent *event)
|
|
{
|
|
if (!o->isWidgetType())
|
|
return false;
|
|
|
|
switch (event->type()) {
|
|
#ifdef Q_OS_MAC
|
|
case QEvent::KeyPress:
|
|
case QEvent::KeyRelease: {
|
|
int key = static_cast<QKeyEvent *>(event)->key();
|
|
Qt::KeyboardModifiers mody = static_cast<QKeyEvent *>(event)->modifiers();
|
|
if (!(mody & Qt::KeyboardModifierMask)
|
|
&& key != Qt::Key_Shift && key != Qt::Key_Control
|
|
&& key != Qt::Key_Alt && key != Qt::Key_Meta)
|
|
hideTipWithDelay();
|
|
break;
|
|
}
|
|
#endif
|
|
case QEvent::Leave:
|
|
if (o == m_tip)
|
|
hideTipWithDelay();
|
|
break;
|
|
case QEvent::Enter:
|
|
// User moved cursor into tip and wants to interact.
|
|
if (m_tip && m_tip->isInteractive() && o == m_tip) {
|
|
if (m_hideDelayTimer.isActive())
|
|
m_hideDelayTimer.stop();
|
|
}
|
|
break;
|
|
case QEvent::WindowActivate:
|
|
case QEvent::WindowDeactivate:
|
|
case QEvent::FocusOut:
|
|
case QEvent::FocusIn:
|
|
if (m_tip && !m_tip->isInteractive()) // Windows: A sequence of those occurs when interacting
|
|
hideTipImmediately();
|
|
break;
|
|
case QEvent::MouseButtonPress:
|
|
case QEvent::MouseButtonRelease:
|
|
case QEvent::MouseButtonDblClick:
|
|
case QEvent::Wheel:
|
|
if (m_tip) {
|
|
if (m_tip->isInteractive()) { // Do not close on interaction with the tooltip
|
|
if (o != m_tip && !m_tip->isAncestorOf(static_cast<QWidget *>(o)))
|
|
hideTipImmediately();
|
|
} else {
|
|
hideTipImmediately();
|
|
}
|
|
}
|
|
break;
|
|
case QEvent::MouseMove:
|
|
if (o == m_widget &&
|
|
!m_rect.isNull() &&
|
|
!m_rect.contains(static_cast<QMouseEvent*>(event)->pos())) {
|
|
hideTipWithDelay();
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
QFont ToolTip::font() const
|
|
{
|
|
return QApplication::font("QTipLabel");
|
|
}
|
|
|
|
void ToolTip::setFont(const QFont &font)
|
|
{
|
|
QApplication::setFont(font, "QTipLabel");
|
|
}
|