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Move TextEditor::ToolTip to Utils

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To enabled reuse from all plugins.

Change-Id: I1de68c8e6ed017d45f1248b2043f9611becc3b54
Reviewed-by: David Schulz <david.schulz@digia.com>
This commit is contained in:
Daniel Teske
2013-01-10 15:07:17 +01:00
parent d26ec5048f
commit 8e75e611a5
23 changed files with 94 additions and 105 deletions
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src/libs/utils/tooltip/tooltip.cpp Normal file
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/****************************************************************************
**
** 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");
}