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Diffstat (limited to 'src/plugins/platforms/cocoa/qcocoamenu.mm')
-rw-r--r-- | src/plugins/platforms/cocoa/qcocoamenu.mm | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/src/plugins/platforms/cocoa/qcocoamenu.mm b/src/plugins/platforms/cocoa/qcocoamenu.mm new file mode 100644 index 0000000000..1bb5f45a94 --- /dev/null +++ b/src/plugins/platforms/cocoa/qcocoamenu.mm @@ -0,0 +1,267 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qapplication.h" +#include "qvarlengtharray.h" +#import "qcocoamenu.h" +#import "qcocoamenuloader.h" +#import "qcocoaapplication.h" +#include "qcocoahelpers.h" +#include <private/qapplication_p.h> +#include <private/qaction_p.h> + +QT_FORWARD_DECLARE_CLASS(QAction) +QT_FORWARD_DECLARE_CLASS(QWidget) +QT_FORWARD_DECLARE_CLASS(QApplication) +QT_FORWARD_DECLARE_CLASS(QCoreApplication) +QT_FORWARD_DECLARE_CLASS(QApplicationPrivate) +QT_FORWARD_DECLARE_CLASS(QKeyEvent) +QT_FORWARD_DECLARE_CLASS(QEvent) + +QT_BEGIN_NAMESPACE +extern void qt_mac_menu_collapseSeparators(NSMenu *menu, bool collapse); +void qt_mac_clear_status_text(QAction *action); +extern void qt_mac_emit_menuSignals(QMenu *menu, bool show); +extern void qt_mac_menu_emit_hovered(QMenu *menu, QAction *action); +QT_END_NAMESPACE + +QT_USE_NAMESPACE + +@implementation QT_MANGLE_NAMESPACE(QNativeCocoaMenu) + +- (id)initWithQMenu:(QMenu*)menu +{ + self = [super init]; + if (self) { + qmenu = menu; + previousAction = 0; + [self setAutoenablesItems:NO]; + [self setDelegate:self]; + } + return self; +} + +- (void)menu:(NSMenu*)menu willHighlightItem:(NSMenuItem*)item +{ + Q_UNUSED(menu); + + if (!item) { + if (previousAction) { + qt_mac_clear_status_text(previousAction); + previousAction = 0; + } + return; + } + + if (QAction *action = reinterpret_cast<QAction *>([item tag])) { + QMenu *qtmenu = static_cast<QT_MANGLE_NAMESPACE(QNativeCocoaMenu) *>(menu)->qmenu; + previousAction = action; + action->activate(QAction::Hover); + qt_mac_menu_emit_hovered(qtmenu, action); + action->showStatusText(0); // 0 widget -> action's parent + } +} + +- (void)menuWillOpen:(NSMenu*)menu +{ + while (QWidget *popup + = QApplication::activePopupWidget()) + popup->close(); + QMenu *qtmenu = static_cast<QT_MANGLE_NAMESPACE(QNativeCocoaMenu) *>(menu)->qmenu; + qt_mac_emit_menuSignals(qtmenu, true); + qt_mac_menu_collapseSeparators(menu, qtmenu->separatorsCollapsible()); +} + +- (void)menuDidClose:(NSMenu*)menu +{ + qt_mac_emit_menuSignals(((QT_MANGLE_NAMESPACE(QNativeCocoaMenu) *)menu)->qmenu, false); + if (previousAction) { + qt_mac_clear_status_text(previousAction); + previousAction = 0; + } +} + +- (BOOL)hasShortcut:(NSMenu *)menu forKey:(NSString *)key forModifiers:(NSUInteger)modifier + whichItem:(NSMenuItem**)outItem +{ + for (NSMenuItem *item in [menu itemArray]) { + if (![item isEnabled] || [item isHidden] || [item isSeparatorItem]) + continue; + if ([item hasSubmenu]) { + if ([self hasShortcut:[item submenu] + forKey:key + forModifiers:modifier whichItem:outItem]) { + if (outItem) + *outItem = item; + return YES; + } + } + NSString *menuKey = [item keyEquivalent]; + if (menuKey && NSOrderedSame == [menuKey compare:key] + && (modifier == [item keyEquivalentModifierMask])) { + if (outItem) + *outItem = item; + return YES; + } + } + if (outItem) + *outItem = 0; + return NO; +} + +NSString *qt_mac_removePrivateUnicode(NSString* string) +{ + int len = [string length]; + if (len) { + QVarLengthArray <unichar, 10> characters(len); + bool changed = false; + for (int i = 0; i<len; i++) { + characters[i] = [string characterAtIndex:i]; + // check if they belong to key codes in private unicode range + // currently we need to handle only the NSDeleteFunctionKey + if (characters[i] == NSDeleteFunctionKey) { + characters[i] = NSDeleteCharacter; + changed = true; + } + } + if (changed) + return [NSString stringWithCharacters:characters.data() length:len]; + } + return string; +} + +- (BOOL)menuHasKeyEquivalent:(NSMenu *)menu forEvent:(NSEvent *)event target:(id *)target action:(SEL *)action +{ + // Check if the menu actually has a keysequence defined for this key event. + // If it does, then we will first send the key sequence to the QWidget that has focus + // since (in Qt's eyes) it needs to a chance at the key event first. If the widget + // accepts the key event, we then return YES, but set the target and action to be nil, + // which means that the action should not be triggered, and instead dispatch the event ourselves. + // In every other case we return NO, which means that Cocoa can do as it pleases + // (i.e., fire the menu action). + NSMenuItem *whichItem; + // Change the private unicode keys to the ones used in setting the "Key Equivalents" + NSString *characters = qt_mac_removePrivateUnicode([event characters]); + if ([self hasShortcut:menu + forKey:characters + // Interested only in Shift, Cmd, Ctrl & Alt Keys, so ignoring masks like, Caps lock, Num Lock ... + forModifiers:([event modifierFlags] & (NSShiftKeyMask | NSControlKeyMask | NSCommandKeyMask | NSAlternateKeyMask)) + whichItem:&whichItem]) { + QWidget *widget = 0; + QAction *qaction = 0; + if (whichItem && [whichItem tag]) { + qaction = reinterpret_cast<QAction *>([whichItem tag]); + } + if (qApp->activePopupWidget()) + widget = (qApp->activePopupWidget()->focusWidget() ? + qApp->activePopupWidget()->focusWidget() : qApp->activePopupWidget()); + else if (QApplicationPrivate::focus_widget) + widget = QApplicationPrivate::focus_widget; + // If we could not find any receivers, pass it to the active window + if (!widget) + widget = qApp->activeWindow(); + if (qaction && widget) { + int key = qaction->shortcut(); + QKeyEvent accel_ev(QEvent::ShortcutOverride, (key & (~Qt::KeyboardModifierMask)), + Qt::KeyboardModifiers(key & Qt::KeyboardModifierMask)); + accel_ev.ignore(); + +// ### qt_sendSpontaneousEvent(widget, &accel_ev); + + if (accel_ev.isAccepted()) { + qWarning("Unimplemented: qt_dispatchKeyEvent"); +#if 0 + qt_dispatchKeyEvent(event, widget); +#endif + *target = nil; + *action = nil; + return YES; + } + } + } + return NO; +} + +- (NSInteger)indexOfItemWithTarget:(id)anObject andAction:(SEL)actionSelector +{ + NSInteger index = [super indexOfItemWithTarget:anObject andAction:actionSelector]; + static SEL selForOFCP = NSSelectorFromString(@"orderFrontCharacterPalette:"); + if (index == -1 && selForOFCP == actionSelector) { + // Check if the 'orderFrontCharacterPalette' SEL exists for QNativeCocoaMenuLoader object + QT_MANGLE_NAMESPACE(QCocoaMenuLoader) *loader = [NSApp QT_MANGLE_NAMESPACE(qt_qcocoamenuLoader)]; + return [super indexOfItemWithTarget:loader andAction:actionSelector]; + } + return index; +} + +@end + +QT_BEGIN_NAMESPACE +extern int qt_mac_menus_open_count; // qmenu_mac.mm + +void qt_mac_emit_menuSignals(QMenu *menu, bool show) +{ + if (!menu) + return; + int delta; + if (show) { + emit menu->aboutToShow(); + delta = 1; + } else { + emit menu->aboutToHide(); + delta = -1; + } + qt_mac_menus_open_count += delta; +} + +void qt_mac_clear_status_text(QAction *action) +{ + action->d_func()->showStatusText(0, QString()); +} + +void qt_mac_menu_emit_hovered(QMenu *menu, QAction *action) +{ + emit menu->hovered(action); +} + + +QT_END_NAMESPACE + |