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Diffstat (limited to 'src/gui/to_be_moved/qshortcutmap.cpp')
| -rw-r--r-- | src/gui/to_be_moved/qshortcutmap.cpp | 897 |
1 files changed, 0 insertions, 897 deletions
diff --git a/src/gui/to_be_moved/qshortcutmap.cpp b/src/gui/to_be_moved/qshortcutmap.cpp deleted file mode 100644 index d6baa1331e..0000000000 --- a/src/gui/to_be_moved/qshortcutmap.cpp +++ /dev/null @@ -1,897 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtGui module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the Technology Preview License Agreement accompanying -** this package. -** -** 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, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** If you have questions regarding the use of this file, please contact -** Nokia at qt-info@nokia.com. -** -** -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qshortcutmap_p.h" -#include "private/qobject_p.h" -#include "qkeysequence.h" -#include "qgraphicsscene.h" -#include "qgraphicsview.h" -#include "qdebug.h" -#include "qevent.h" -#include "qwidget.h" -#include "qapplication.h" -#include "qvector.h" -#include "qmenu.h" -#include "qmenubar.h" -#include "qshortcut.h" -#include "private/qapplication_p.h" -#include <private/qaction_p.h> -#include <private/qkeymapper_p.h> -#include <private/qwidget_p.h> - -#ifndef QT_NO_SHORTCUT - -QT_BEGIN_NAMESPACE - -// To enable verbose output uncomment below -//#define DEBUG_QSHORTCUTMAP - -/* \internal - Entry data for QShortcutMap - Contains: - Keysequence for entry - Pointer to parent owning the sequence -*/ -struct QShortcutEntry -{ - QShortcutEntry() - : keyseq(0), context(Qt::WindowShortcut), enabled(false), autorepeat(1), id(0), owner(0) - {} - - QShortcutEntry(const QKeySequence &k) - : keyseq(k), context(Qt::WindowShortcut), enabled(false), autorepeat(1), id(0), owner(0) - {} - - QShortcutEntry(QObject *o, const QKeySequence &k, Qt::ShortcutContext c, int i) - : keyseq(k), context(c), enabled(true), autorepeat(1), id(i), owner(o) - {} - - QShortcutEntry(QObject *o, const QKeySequence &k, Qt::ShortcutContext c, int i, bool a) - : keyseq(k), context(c), enabled(true), autorepeat(a), id(i), owner(o) - {} - - bool operator<(const QShortcutEntry &f) const - { return keyseq < f.keyseq; } - - QKeySequence keyseq; - Qt::ShortcutContext context; - bool enabled : 1; - bool autorepeat : 1; - signed int id; - QObject *owner; -}; - -#if 0 //ndef QT_NO_DEBUG_STREAM -/*! \internal - QDebug operator<< for easy debug output of the shortcut entries. -*/ -static QDebug &operator<<(QDebug &dbg, const QShortcutEntry *se) { - if (!se) - return dbg << "QShortcutEntry(0x0)"; - dbg.nospace() - << "QShortcutEntry(" << se->keyseq - << "), id(" << se->id << "), enabled(" << se->enabled << "), autorepeat(" << se->autorepeat - << "), owner(" << se->owner << ')'; - return dbg.space(); -} -#endif // QT_NO_DEBUGSTREAM - -/* \internal - Private data for QShortcutMap -*/ -class QShortcutMapPrivate -{ - Q_DECLARE_PUBLIC(QShortcutMap) - -public: - QShortcutMapPrivate(QShortcutMap* parent) - : q_ptr(parent), currentId(0), ambigCount(0), currentState(QKeySequence::NoMatch) - { - identicals.reserve(10); - currentSequences.reserve(10); - } - QShortcutMap *q_ptr; // Private's parent - - QList<QShortcutEntry> sequences; // All sequences! - - int currentId; // Global shortcut ID number - int ambigCount; // Index of last enabled ambiguous dispatch - QKeySequence::SequenceMatch currentState; - QVector<QKeySequence> currentSequences; // Sequence for the current state - QVector<QKeySequence> newEntries; - QKeySequence prevSequence; // Sequence for the previous identical match - QVector<const QShortcutEntry*> identicals; // Last identical matches -}; - - -/*! \internal - QShortcutMap constructor. -*/ -QShortcutMap::QShortcutMap() - : d_ptr(new QShortcutMapPrivate(this)) -{ - resetState(); -} - -/*! \internal - QShortcutMap destructor. -*/ -QShortcutMap::~QShortcutMap() -{ -} - -/*! \internal - Adds a shortcut to the global map. - Returns the id of the newly added shortcut. -*/ -int QShortcutMap::addShortcut(QObject *owner, const QKeySequence &key, Qt::ShortcutContext context) -{ - Q_ASSERT_X(owner, "QShortcutMap::addShortcut", "All shortcuts need an owner"); - Q_ASSERT_X(!key.isEmpty(), "QShortcutMap::addShortcut", "Cannot add keyless shortcuts to map"); - Q_D(QShortcutMap); - - QShortcutEntry newEntry(owner, key, context, --(d->currentId), true); - QList<QShortcutEntry>::iterator it = qUpperBound(d->sequences.begin(), d->sequences.end(), newEntry); - d->sequences.insert(it, newEntry); // Insert sorted -#if defined(DEBUG_QSHORTCUTMAP) - qDebug().nospace() - << "QShortcutMap::addShortcut(" << owner << ", " - << key << ", " << context << ") = " << d->currentId; -#endif - return d->currentId; -} - -/*! \internal - Removes a shortcut from the global map. - If \a owner is 0, all entries in the map with the key sequence specified - is removed. If \a key is null, all sequences for \a owner is removed from - the map. If \a id is 0, any identical \a key sequences owned by \a owner - are removed. - Returns the number of sequences removed from the map. -*/ - -int QShortcutMap::removeShortcut(int id, QObject *owner, const QKeySequence &key) -{ - Q_D(QShortcutMap); - int itemsRemoved = 0; - bool allOwners = (owner == 0); - bool allKeys = key.isEmpty(); - bool allIds = id == 0; - - // Special case, remove everything - if (allOwners && allKeys && id == 0) { - itemsRemoved = d->sequences.size(); - d->sequences.clear(); - return itemsRemoved; - } - - int i = d->sequences.size()-1; - while (i>=0) - { - const QShortcutEntry &entry = d->sequences.at(i); - int entryId = entry.id; - if ((allOwners || entry.owner == owner) - && (allIds || entry.id == id) - && (allKeys || entry.keyseq == key)) { - d->sequences.removeAt(i); - ++itemsRemoved; - } - if (id == entryId) - return itemsRemoved; - --i; - } -#if defined(DEBUG_QSHORTCUTMAP) - qDebug().nospace() - << "QShortcutMap::removeShortcut(" << id << ", " << owner << ", " - << key << ") = " << itemsRemoved; -#endif - return itemsRemoved; -} - -/*! \internal - Changes the enable state of a shortcut to \a enable. - If \a owner is 0, all entries in the map with the key sequence specified - is removed. If \a key is null, all sequences for \a owner is removed from - the map. If \a id is 0, any identical \a key sequences owned by \a owner - are changed. - Returns the number of sequences which are matched in the map. -*/ -int QShortcutMap::setShortcutEnabled(bool enable, int id, QObject *owner, const QKeySequence &key) -{ - Q_D(QShortcutMap); - int itemsChanged = 0; - bool allOwners = (owner == 0); - bool allKeys = key.isEmpty(); - bool allIds = id == 0; - - int i = d->sequences.size()-1; - while (i>=0) - { - QShortcutEntry entry = d->sequences.at(i); - if ((allOwners || entry.owner == owner) - && (allIds || entry.id == id) - && (allKeys || entry.keyseq == key)) { - d->sequences[i].enabled = enable; - ++itemsChanged; - } - if (id == entry.id) - return itemsChanged; - --i; - } -#if defined(DEBUG_QSHORTCUTMAP) - qDebug().nospace() - << "QShortcutMap::setShortcutEnabled(" << enable << ", " << id << ", " - << owner << ", " << key << ") = " << itemsChanged; -#endif - return itemsChanged; -} - -/*! \internal - Changes the auto repeat state of a shortcut to \a enable. - If \a owner is 0, all entries in the map with the key sequence specified - is removed. If \a key is null, all sequences for \a owner is removed from - the map. If \a id is 0, any identical \a key sequences owned by \a owner - are changed. - Returns the number of sequences which are matched in the map. -*/ -int QShortcutMap::setShortcutAutoRepeat(bool on, int id, QObject *owner, const QKeySequence &key) -{ - Q_D(QShortcutMap); - int itemsChanged = 0; - bool allOwners = (owner == 0); - bool allKeys = key.isEmpty(); - bool allIds = id == 0; - - int i = d->sequences.size()-1; - while (i>=0) - { - QShortcutEntry entry = d->sequences.at(i); - if ((allOwners || entry.owner == owner) - && (allIds || entry.id == id) - && (allKeys || entry.keyseq == key)) { - d->sequences[i].autorepeat = on; - ++itemsChanged; - } - if (id == entry.id) - return itemsChanged; - --i; - } -#if defined(DEBUG_QSHORTCUTMAP) - qDebug().nospace() - << "QShortcutMap::setShortcutAutoRepeat(" << on << ", " << id << ", " - << owner << ", " << key << ") = " << itemsChanged; -#endif - return itemsChanged; -} - -/*! \internal - Resets the state of the statemachine to NoMatch -*/ -void QShortcutMap::resetState() -{ - Q_D(QShortcutMap); - d->currentState = QKeySequence::NoMatch; - clearSequence(d->currentSequences); -} - -/*! \internal - Returns the current state of the statemachine -*/ -QKeySequence::SequenceMatch QShortcutMap::state() -{ - Q_D(QShortcutMap); - return d->currentState; -} - -/*! \internal - Uses ShortcutOverride event to see if any widgets want to override - the event. If not, uses nextState(QKeyEvent) to check for a grabbed - Shortcut, and dispatchEvent() is found an identical. - \sa nextState dispatchEvent -*/ -bool QShortcutMap::tryShortcutEvent(QObject *o, QKeyEvent *e) -{ - Q_D(QShortcutMap); - - bool wasAccepted = e->isAccepted(); - bool wasSpontaneous = e->spont; - if (d->currentState == QKeySequence::NoMatch) { - ushort orgType = e->t; - e->t = QEvent::ShortcutOverride; - e->ignore(); - QCoreApplication::sendEvent(o, e); - e->t = orgType; - e->spont = wasSpontaneous; - if (e->isAccepted()) { - if (!wasAccepted) - e->ignore(); - return false; - } - } - - QKeySequence::SequenceMatch result = nextState(e); - bool stateWasAccepted = e->isAccepted(); - if (wasAccepted) - e->accept(); - else - e->ignore(); - - int identicalMatches = d->identicals.count(); - - switch(result) { - case QKeySequence::NoMatch: - return stateWasAccepted; - case QKeySequence::ExactMatch: - resetState(); - dispatchEvent(e); - default: - break; - } - // If nextState is QKeySequence::ExactMatch && identicals.count == 0 - // we've only found disabled shortcuts - return identicalMatches > 0 || result == QKeySequence::PartialMatch; -} - -/*! \internal - Returns the next state of the statemachine - If return value is SequenceMatch::ExactMatch, then a call to matches() - will return a QObjects* list of all matching objects for the last matching - sequence. -*/ -QKeySequence::SequenceMatch QShortcutMap::nextState(QKeyEvent *e) -{ - Q_D(QShortcutMap); - // Modifiers can NOT be shortcuts... - if (e->key() >= Qt::Key_Shift && - e->key() <= Qt::Key_Alt) - return d->currentState; - - QKeySequence::SequenceMatch result = QKeySequence::NoMatch; - - // We start fresh each time.. - d->identicals.resize(0); - - result = find(e); - if (result == QKeySequence::NoMatch && e->modifiers() & Qt::ShiftModifier) { - // If Shift + Key_Backtab, also try Shift + Qt::Key_Tab - if (e->key() == Qt::Key_Backtab) { - QKeyEvent pe = QKeyEvent(e->type(), Qt::Key_Tab, e->modifiers(), e->text()); - result = find(&pe); - } - } - - // Should we eat this key press? - if (d->currentState == QKeySequence::PartialMatch - || (d->currentState == QKeySequence::ExactMatch && d->identicals.count())) - e->accept(); - // Does the new state require us to clean up? - if (result == QKeySequence::NoMatch) - clearSequence(d->currentSequences); - d->currentState = result; - -#if defined(DEBUG_QSHORTCUTMAP) - qDebug().nospace() << "QShortcutMap::nextState(" << e << ") = " << result; -#endif - return result; -} - - -/*! \internal - Determines if an enabled shortcut has a matcing key sequence. -*/ -bool QShortcutMap::hasShortcutForKeySequence(const QKeySequence &seq) const -{ - Q_D(const QShortcutMap); - QShortcutEntry entry(seq); // needed for searching - QList<QShortcutEntry>::ConstIterator itEnd = d->sequences.constEnd(); - QList<QShortcutEntry>::ConstIterator it = qLowerBound(d->sequences.constBegin(), itEnd, entry); - - for (;it != itEnd; ++it) { - if (matches(entry.keyseq, (*it).keyseq) == QKeySequence::ExactMatch && correctContext(*it) && (*it).enabled) { - return true; - } - } - - //end of the loop: we didn't find anything - return false; -} - -/*! \internal - Returns the next state of the statemachine, based - on the new key event \a e. - Matches are appended to the vector of identicals, - which can be access through matches(). - \sa matches -*/ -QKeySequence::SequenceMatch QShortcutMap::find(QKeyEvent *e) -{ - Q_D(QShortcutMap); - if (!d->sequences.count()) - return QKeySequence::NoMatch; - - createNewSequences(e, d->newEntries); -#if defined(DEBUG_QSHORTCUTMAP) - qDebug() << "Possible shortcut key sequences:" << d->newEntries; -#endif - - // Should never happen - if (d->newEntries == d->currentSequences) { - Q_ASSERT_X(e->key() != Qt::Key_unknown || e->text().length(), - "QShortcutMap::find", "New sequence to find identical to previous"); - return QKeySequence::NoMatch; - } - - // Looking for new identicals, scrap old - d->identicals.resize(0); - - bool partialFound = false; - bool identicalDisabledFound = false; - QVector<QKeySequence> okEntries; - int result = QKeySequence::NoMatch; - for (int i = d->newEntries.count()-1; i >= 0 ; --i) { - QShortcutEntry entry(d->newEntries.at(i)); // needed for searching - QList<QShortcutEntry>::ConstIterator itEnd = d->sequences.constEnd(); - QList<QShortcutEntry>::ConstIterator it = - qLowerBound(d->sequences.constBegin(), itEnd, entry); - - int oneKSResult = QKeySequence::NoMatch; - int tempRes = QKeySequence::NoMatch; - do { - if (it == itEnd) - break; - tempRes = matches(entry.keyseq, (*it).keyseq); - oneKSResult = qMax(oneKSResult, tempRes); - if (tempRes != QKeySequence::NoMatch && correctContext(*it)) { - if (tempRes == QKeySequence::ExactMatch) { - if ((*it).enabled) - d->identicals.append(&*it); - else - identicalDisabledFound = true; - } else if (tempRes == QKeySequence::PartialMatch) { - // We don't need partials, if we have identicals - if (d->identicals.size()) - break; - // We only care about enabled partials, so we don't consume - // key events when all partials are disabled! - partialFound |= (*it).enabled; - } - } - ++it; - // If we got a valid match on this run, there might still be more keys to check against, - // so we'll loop once more. If we get NoMatch, there's guaranteed no more possible - // matches in the shortcutmap. - } while (tempRes != QKeySequence::NoMatch); - - // If the type of match improves (ergo, NoMatch->Partial, or Partial->Exact), clear the - // previous list. If this match is equal or better than the last match, append to the list - if (oneKSResult > result) { - okEntries.clear(); -#if defined(DEBUG_QSHORTCUTMAP) - qDebug() << "Found better match (" << d->newEntries << "), clearing key sequence list"; -#endif - } - if (oneKSResult && oneKSResult >= result) { - okEntries << d->newEntries.at(i); -#if defined(DEBUG_QSHORTCUTMAP) - qDebug() << "Added ok key sequence" << d->newEntries; -#endif - } - } - - if (d->identicals.size()) { - result = QKeySequence::ExactMatch; - } else if (partialFound) { - result = QKeySequence::PartialMatch; - } else if (identicalDisabledFound) { - result = QKeySequence::ExactMatch; - } else { - clearSequence(d->currentSequences); - result = QKeySequence::NoMatch; - } - if (result != QKeySequence::NoMatch) - d->currentSequences = okEntries; -#if defined(DEBUG_QSHORTCUTMAP) - qDebug() << "Returning shortcut match == " << result; -#endif - return QKeySequence::SequenceMatch(result); -} - -/*! \internal - Clears \a seq to an empty QKeySequence. - Same as doing (the slower) - \snippet doc/src/snippets/code/src_gui_kernel_qshortcutmap.cpp 0 -*/ -void QShortcutMap::clearSequence(QVector<QKeySequence> &ksl) -{ - ksl.clear(); - d_func()->newEntries.clear(); -} - -/*! \internal - Alters \a seq to the new sequence state, based on the - current sequence state, and the new key event \a e. -*/ -void QShortcutMap::createNewSequences(QKeyEvent *e, QVector<QKeySequence> &ksl) -{ - Q_D(QShortcutMap); - QList<int> possibleKeys = QKeyMapper::possibleKeys(e); - int pkTotal = possibleKeys.count(); - if (!pkTotal) - return; - - int ssActual = d->currentSequences.count(); - int ssTotal = qMax(1, ssActual); - // Resize to possible permutations of the current sequence(s). - ksl.resize(pkTotal * ssTotal); - - int index = ssActual ? d->currentSequences.at(0).count() : 0; - for (int pkNum = 0; pkNum < pkTotal; ++pkNum) { - for (int ssNum = 0; ssNum < ssTotal; ++ssNum) { - int i = (pkNum * ssTotal) + ssNum; - QKeySequence &curKsl = ksl[i]; - if (ssActual) { - const QKeySequence &curSeq = d->currentSequences.at(ssNum); - curKsl.setKey(curSeq[0], 0); - curKsl.setKey(curSeq[1], 1); - curKsl.setKey(curSeq[2], 2); - curKsl.setKey(curSeq[3], 3); - } else { - curKsl.setKey(0, 0); - curKsl.setKey(0, 1); - curKsl.setKey(0, 2); - curKsl.setKey(0, 3); - } - // Filtering keycode here with 0xdfffffff to ignore the Keypad modifier - curKsl.setKey(possibleKeys.at(pkNum) & 0xdfffffff, index); - } - } -} - -/*! \internal - Basically the same function as QKeySequence::matches(const QKeySequence &seq) const - only that is specially handles Key_hyphen as Key_Minus, as people mix these up all the time and - they conceptually the same. -*/ -QKeySequence::SequenceMatch QShortcutMap::matches(const QKeySequence &seq1, - const QKeySequence &seq2) const -{ - uint userN = seq1.count(), - seqN = seq2.count(); - - if (userN > seqN) - return QKeySequence::NoMatch; - - // If equal in length, we have a potential ExactMatch sequence, - // else we already know it can only be partial. - QKeySequence::SequenceMatch match = (userN == seqN - ? QKeySequence::ExactMatch - : QKeySequence::PartialMatch); - - for (uint i = 0; i < userN; ++i) { - int userKey = seq1[i], - sequenceKey = seq2[i]; - if ((userKey & Qt::Key_unknown) == Qt::Key_hyphen) - userKey = (userKey & Qt::KeyboardModifierMask) | Qt::Key_Minus; - if ((sequenceKey & Qt::Key_unknown) == Qt::Key_hyphen) - sequenceKey = (sequenceKey & Qt::KeyboardModifierMask) | Qt::Key_Minus; - if (userKey != sequenceKey) - return QKeySequence::NoMatch; - } - return match; -} - -/*! \internal - Returns true if the widget \a w is a logical sub window of the current - top-level widget. -*/ -bool QShortcutMap::correctContext(const QShortcutEntry &item) const { - Q_ASSERT_X(item.owner, "QShortcutMap", "Shortcut has no owner. Illegal map state!"); - - QWidget *active_window = QApplication::activeWindow(); - - // popups do not become the active window, - // so we fake it here to get the correct context - // for the shortcut system. - if (QApplication::activePopupWidget()) - active_window = QApplication::activePopupWidget(); - - if (!active_window) - return false; -#ifndef QT_NO_ACTION - if (QAction *a = qobject_cast<QAction *>(item.owner)) - return correctContext(item.context, a, active_window); -#endif -#ifndef QT_NO_GRAPHICSVIEW - if (QGraphicsWidget *gw = qobject_cast<QGraphicsWidget *>(item.owner)) - return correctGraphicsWidgetContext(item.context, gw, active_window); -#endif - QWidget *w = qobject_cast<QWidget *>(item.owner); - if (!w) { - QShortcut *s = qobject_cast<QShortcut *>(item.owner); - w = s->parentWidget(); - } - return correctWidgetContext(item.context, w, active_window); -} - -bool QShortcutMap::correctWidgetContext(Qt::ShortcutContext context, QWidget *w, QWidget *active_window) const -{ - bool visible = w->isVisible(); -#ifdef Q_WS_MAC - if (!qApp->testAttribute(Qt::AA_DontUseNativeMenuBar) && qobject_cast<QMenuBar *>(w)) - visible = true; -#endif - - if (!visible || !w->isEnabled()) - return false; - - if (context == Qt::ApplicationShortcut) - return QApplicationPrivate::tryModalHelper(w, 0); // true, unless w is shadowed by a modal dialog - - if (context == Qt::WidgetShortcut) - return w == QApplication::focusWidget(); - - if (context == Qt::WidgetWithChildrenShortcut) { - const QWidget *tw = QApplication::focusWidget(); - while (tw && tw != w && (tw->windowType() == Qt::Widget || tw->windowType() == Qt::Popup)) - tw = tw->parentWidget(); - return tw == w; - } - - // Below is Qt::WindowShortcut context - QWidget *tlw = w->window(); -#ifndef QT_NO_GRAPHICSVIEW - if (QWExtra *topData = tlw->d_func()->extra) { - if (topData->proxyWidget) { - bool res = correctGraphicsWidgetContext(context, (QGraphicsWidget *)topData->proxyWidget, active_window); - return res; - } - } -#endif - - /* if a floating tool window is active, keep shortcuts on the - * parent working */ - if (active_window != tlw && active_window && active_window->windowType() == Qt::Tool && active_window->parentWidget()) { - active_window = active_window->parentWidget()->window(); - } - - if (active_window != tlw) - return false; - - /* if we live in a MDI subwindow, ignore the event if we are - not the active document window */ - const QWidget* sw = w; - while (sw && !(sw->windowType() == Qt::SubWindow) && !sw->isWindow()) - sw = sw->parentWidget(); - if (sw && (sw->windowType() == Qt::SubWindow)) { - QWidget *focus_widget = QApplication::focusWidget(); - while (focus_widget && focus_widget != sw) - focus_widget = focus_widget->parentWidget(); - return sw == focus_widget; - } - -#if defined(DEBUG_QSHORTCUTMAP) - qDebug().nospace() << "..true [Pass-through]"; -#endif - return true; -} - -#ifndef QT_NO_GRAPHICSVIEW -bool QShortcutMap::correctGraphicsWidgetContext(Qt::ShortcutContext context, QGraphicsWidget *w, QWidget *active_window) const -{ - bool visible = w->isVisible(); -#ifdef Q_WS_MAC - if (!qApp->testAttribute(Qt::AA_DontUseNativeMenuBar) && qobject_cast<QMenuBar *>(w)) - visible = true; -#endif - - if (!visible || !w->isEnabled() || !w->scene()) - return false; - - if (context == Qt::ApplicationShortcut) { - // Applicationwide shortcuts are always reachable unless their owner - // is shadowed by modality. In QGV there's no modality concept, but we - // must still check if all views are shadowed. - QList<QGraphicsView *> views = w->scene()->views(); - for (int i = 0; i < views.size(); ++i) { - if (QApplicationPrivate::tryModalHelper(views.at(i), 0)) - return true; - } - return false; - } - - if (context == Qt::WidgetShortcut) - return static_cast<QGraphicsItem *>(w) == w->scene()->focusItem(); - - if (context == Qt::WidgetWithChildrenShortcut) { - const QGraphicsItem *ti = w->scene()->focusItem(); - if (ti && ti->isWidget()) { - const QGraphicsWidget *tw = static_cast<const QGraphicsWidget *>(ti); - while (tw && tw != w && (tw->windowType() == Qt::Widget || tw->windowType() == Qt::Popup)) - tw = tw->parentWidget(); - return tw == w; - } - return false; - } - - // Below is Qt::WindowShortcut context - - // Find the active view (if any). - QList<QGraphicsView *> views = w->scene()->views(); - QGraphicsView *activeView = 0; - for (int i = 0; i < views.size(); ++i) { - QGraphicsView *view = views.at(i); - if (view->window() == active_window) { - activeView = view; - break; - } - } - if (!activeView) - return false; - - // The shortcut is reachable if owned by a windowless widget, or if the - // widget's window is the same as the focus item's window. - QGraphicsWidget *a = w->scene()->activeWindow(); - return !w->window() || a == w->window(); -} -#endif - -#ifndef QT_NO_ACTION -bool QShortcutMap::correctContext(Qt::ShortcutContext context, QAction *a, QWidget *active_window) const -{ - const QList<QWidget *> &widgets = a->d_func()->widgets; -#if defined(DEBUG_QSHORTCUTMAP) - if (widgets.isEmpty()) - qDebug() << a << "not connected to any widgets; won't trigger"; -#endif - for (int i = 0; i < widgets.size(); ++i) { - QWidget *w = widgets.at(i); -#ifndef QT_NO_MENU - if (QMenu *menu = qobject_cast<QMenu *>(w)) { - QAction *a = menu->menuAction(); - if (correctContext(context, a, active_window)) - return true; - } else -#endif - if (correctWidgetContext(context, w, active_window)) - return true; - } - -#ifndef QT_NO_GRAPHICSVIEW - const QList<QGraphicsWidget *> &graphicsWidgets = a->d_func()->graphicsWidgets; -#if defined(DEBUG_QSHORTCUTMAP) - if (graphicsWidgets.isEmpty()) - qDebug() << a << "not connected to any widgets; won't trigger"; -#endif - for (int i = 0; i < graphicsWidgets.size(); ++i) { - QGraphicsWidget *w = graphicsWidgets.at(i); - if (correctGraphicsWidgetContext(context, w, active_window)) - return true; - } -#endif - return false; -} -#endif // QT_NO_ACTION - -/*! \internal - Converts keyboard button states into modifier states -*/ -int QShortcutMap::translateModifiers(Qt::KeyboardModifiers modifiers) -{ - int result = 0; - if (modifiers & Qt::ShiftModifier) - result |= Qt::SHIFT; - if (modifiers & Qt::ControlModifier) - result |= Qt::CTRL; - if (modifiers & Qt::MetaModifier) - result |= Qt::META; - if (modifiers & Qt::AltModifier) - result |= Qt::ALT; - return result; -} - -/*! \internal - Returns the vector of QShortcutEntry's matching the last Identical state. -*/ -QVector<const QShortcutEntry*> QShortcutMap::matches() const -{ - Q_D(const QShortcutMap); - return d->identicals; -} - -/*! \internal - Dispatches QShortcutEvents to widgets who grabbed the matched key sequence. -*/ -void QShortcutMap::dispatchEvent(QKeyEvent *e) -{ - Q_D(QShortcutMap); - if (!d->identicals.size()) - return; - - const QKeySequence &curKey = d->identicals.at(0)->keyseq; - if (d->prevSequence != curKey) { - d->ambigCount = 0; - d->prevSequence = curKey; - } - // Find next - const QShortcutEntry *current = 0, *next = 0; - int i = 0, enabledShortcuts = 0; - while(i < d->identicals.size()) { - current = d->identicals.at(i); - if (current->enabled || !next){ - ++enabledShortcuts; - if (enabledShortcuts > d->ambigCount + 1) - break; - next = current; - } - ++i; - } - d->ambigCount = (d->identicals.size() == i ? 0 : d->ambigCount + 1); - // Don't trigger shortcut if we're autorepeating and the shortcut is - // grabbed with not accepting autorepeats. - if (!next || (e->isAutoRepeat() && !next->autorepeat)) - return; - // Dispatch next enabled -#if defined(DEBUG_QSHORTCUTMAP) - qDebug().nospace() - << "QShortcutMap::dispatchEvent(): Sending QShortcutEvent(\"" - << (QString)next->keyseq << "\", " << next->id << ", " - << (bool)(enabledShortcuts>1) << ") to object(" << next->owner << ')'; -#endif - QShortcutEvent se(next->keyseq, next->id, enabledShortcuts>1); - QCoreApplication::sendEvent(const_cast<QObject *>(next->owner), &se); -} - -/* \internal - QShortcutMap dump function, only available when DEBUG_QSHORTCUTMAP is - defined. -*/ -#if defined(Dump_QShortcutMap) -void QShortcutMap::dumpMap() const -{ - Q_D(const QShortcutMap); - for (int i = 0; i < d->sequences.size(); ++i) - qDebug().nospace() << &(d->sequences.at(i)); -} -#endif - -QT_END_NAMESPACE - -#endif // QT_NO_SHORTCUT |