diff options
Diffstat (limited to 'src/gui/kernel/qapplication.cpp')
| -rw-r--r-- | src/gui/kernel/qapplication.cpp | 764 |
1 files changed, 539 insertions, 225 deletions
diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp index bc8ed96..a3420da 100644 --- a/src/gui/kernel/qapplication.cpp +++ b/src/gui/kernel/qapplication.cpp @@ -39,6 +39,7 @@ ** ****************************************************************************/ +#include "qplatformdefs.h" #include "qabstracteventdispatcher.h" #include "qaccessible.h" #include "qapplication.h" @@ -74,6 +75,9 @@ #ifdef Q_WS_X11 #include <private/qt_x11_p.h> +#endif + +#if defined(Q_WS_X11) || defined(Q_WS_S60) #include "qinputcontextfactory.h" #endif @@ -85,11 +89,12 @@ #include <stdlib.h> #include "qapplication_p.h" +#include "qevent_p.h" #include "qwidget_p.h" #include "qapplication.h" -#ifdef Q_OS_WINCE +#ifdef Q_WS_WINCE #include "qdatetime.h" #include "qguifunctions_wince.h" extern bool qt_wince_is_smartphone(); //qguifunctions_wince.cpp @@ -97,19 +102,22 @@ extern bool qt_wince_is_mobile(); //qguifunctions_wince.cpp extern bool qt_wince_is_pocket_pc(); //qguifunctions_wince.cpp #endif +#include "qdatetime.h" + +#ifdef QT_MAC_USE_COCOA +#include <private/qt_cocoa_helpers_mac_p.h> +#endif + //#define ALIEN_DEBUG static void initResources() { -#ifdef Q_OS_WINCE +#ifdef Q_WS_WINCE Q_INIT_RESOURCE(qstyle_wince); #else Q_INIT_RESOURCE(qstyle); #endif -#if !defined(QT_NO_DIRECT3D) && defined(Q_WS_WIN) - Q_INIT_RESOURCE(qpaintengine_d3d); -#endif Q_INIT_RESOURCE(qmessagebox); #if !defined(QT_NO_PRINTDIALOG) Q_INIT_RESOURCE(qprintdialog); @@ -130,9 +138,11 @@ QInputContext *QApplicationPrivate::inputContext = 0; bool QApplicationPrivate::quitOnLastWindowClosed = true; -#ifdef Q_OS_WINCE +#ifdef Q_WS_WINCE int QApplicationPrivate::autoMaximizeThreshold = -1; bool QApplicationPrivate::autoSipEnabled = false; +#else +bool QApplicationPrivate::autoSipEnabled = true; #endif QApplicationPrivate::QApplicationPrivate(int &argc, char **argv, QApplication::Type type) @@ -173,16 +183,13 @@ QApplicationPrivate::~QApplicationPrivate() \brief The QApplication class manages the GUI application's control flow and main settings. - \ingroup application - \mainclass - QApplication contains the main event loop, where all events from the window system and other sources are processed and dispatched. It also handles the - application's initialization and finalization, and provides session - management. In addition, it handles most system-wide and application-wide - settings. + application's initialization, finalization, and provides session + management. In addition, QApplication handles most of the system-wide and + application-wide settings. - For any GUI application using Qt, there is precisely one QApplication + For any GUI application using Qt, there is precisely \bold one QApplication object, no matter whether the application has 0, 1, 2 or more windows at any given time. For non-GUI Qt applications, use QCoreApplication instead, as it does not depend on the \l QtGui library. @@ -238,9 +245,9 @@ QApplicationPrivate::~QApplicationPrivate() saveState() for details. \endlist - The QApplication object does so much initialization. Hence, it \e{must} be + Since the QApplication object does so much initialization, it \e{must} be created before any other objects related to the user interface are created. - Since QApplication also deals with common command line arguments, it is + QApplication also deals with common command line arguments. Hence, it is usually a good idea to create it \e before any interpretation or modification of \c argv is done in the application itself. @@ -394,6 +401,7 @@ Qt::MouseButtons QApplicationPrivate::mouse_buttons = Qt::NoButton; Qt::KeyboardModifiers QApplicationPrivate::modifier_buttons = Qt::NoModifier; QStyle *QApplicationPrivate::app_style = 0; // default application style +QString QApplicationPrivate::styleOverride; // style override #ifndef QT_NO_STYLE_STYLESHEET QString QApplicationPrivate::styleSheet; // default application stylesheet @@ -408,7 +416,7 @@ QPalette *QApplicationPrivate::set_pal = 0; // default palette set by pro QGraphicsSystem *QApplicationPrivate::graphics_system = 0; // default graphics system QString QApplicationPrivate::graphics_system_name; // graphics system id - for delayed initialization -Q_GLOBAL_STATIC(QMutex, applicationFontMutex); +Q_GLOBAL_STATIC(QMutex, applicationFontMutex) QFont *QApplicationPrivate::app_font = 0; // default application font QFont *QApplicationPrivate::sys_font = 0; // default system font QFont *QApplicationPrivate::set_font = 0; // default font set by programmer @@ -430,7 +438,12 @@ bool Q_GUI_EXPORT qt_tab_all_widgets = true; bool qt_in_tab_key_event = false; int qt_antialiasing_threshold = -1; static int drag_time = 500; +#ifdef Q_OS_SYMBIAN +// The screens are a bit too small to for your thumb when using only 4 pixels drag distance. +static int drag_distance = 8; +#else static int drag_distance = 4; +#endif static Qt::LayoutDirection layout_direction = Qt::LeftToRight; QSize QApplicationPrivate::app_strut = QSize(0,0); // no default application strut bool QApplicationPrivate::animate_ui = true; @@ -441,12 +454,15 @@ bool QApplicationPrivate::animate_tooltip = false; bool QApplicationPrivate::fade_tooltip = false; bool QApplicationPrivate::animate_toolbox = false; bool QApplicationPrivate::widgetCount = false; -QString* QApplicationPrivate::styleOverride = 0; -#if defined(Q_WS_WIN) && !defined(Q_OS_WINCE) +#if defined(Q_WS_WIN) && !defined(Q_WS_WINCE) bool QApplicationPrivate::inSizeMove = false; #endif #ifdef QT_KEYPAD_NAVIGATION +# if defined(Q_OS_SYMBIAN) +bool QApplicationPrivate::keypadNavigation = true; +# else bool QApplicationPrivate::keypadNavigation = false; +# endif QWidget *QApplicationPrivate::oldEditFocus = 0; #endif @@ -466,15 +482,12 @@ static inline bool isAlien(QWidget *widget) // ######## move to QApplicationPrivate // Default application palettes and fonts (per widget type) - -typedef QHash<QByteArray, QPalette> PaletteHash; Q_GLOBAL_STATIC(PaletteHash, app_palettes) PaletteHash *qt_app_palettes_hash() { return app_palettes(); } -typedef QHash<QByteArray, QFont> FontHash; Q_GLOBAL_STATIC(FontHash, app_fonts) FontHash *qt_app_fonts_hash() { @@ -494,8 +507,6 @@ QWidgetList * qt_modal_stack=0; // stack of modal widgets */ void QApplicationPrivate::process_cmdline() { - Q_Q(QApplication); - Q_UNUSED(q);// only static members being used. // process platform-indep command line if (!qt_is_gui_used || !argc) return; @@ -540,7 +551,7 @@ void QApplicationPrivate::process_cmdline() #endif } else if (qstrcmp(arg, "-reverse") == 0) { force_reverse = true; - q->setLayoutDirection(Qt::RightToLeft); + QApplication::setLayoutDirection(Qt::RightToLeft); } else if (qstrcmp(arg, "-widgetcount") == 0) { widgetCount = true; } else if (arg == "-graphicssystem" && i < argc-1) { @@ -553,9 +564,7 @@ void QApplicationPrivate::process_cmdline() delete app_style; app_style = 0; } - if (!styleOverride) - styleOverride = new QString; - *styleOverride = s; + styleOverride = s; } } @@ -620,13 +629,6 @@ void QApplicationPrivate::process_cmdline() and QPixmaps. Available options are \c{raster} and \c{opengl}. \endlist - The Windows version of Qt supports an additional command line option, if - Direct3D support has been compiled into Qt: - \list - \o -direct3d will make the Direct3D paint engine the default widget - paint engine in Qt. \bold {This functionality is experimental.} - \endlist - The X11 version of Qt supports some traditional X11 command line options: \list \o -display \e display, sets the X display (default is $DISPLAY). @@ -686,9 +688,9 @@ QApplication::QApplication(int &argc, char **argv, int _internal) On X11, the window system is initialized if \a GUIenabled is true. If \a GUIenabled is false, the application does not connect to the X server. - On Windows and Macintosh, currently the window system is always - initialized, regardless of the value of GUIenabled. This may change in - future versions of Qt. + On Windows and Mac OS, currently the window system is always initialized, + regardless of the value of GUIenabled. This may change in future versions + of Qt. The following example shows how to create an application that uses a graphical interface when available. @@ -833,6 +835,12 @@ QApplication::QApplication(Display *dpy, int &argc, char **argv, #endif // Q_WS_X11 extern void qInitDrawhelperAsm(); +extern int qRegisterGuiVariant(); +extern int qUnregisterGuiVariant(); +#ifndef QT_NO_STATEMACHINE +extern int qRegisterGuiStateMachine(); +extern int qUnregisterGuiStateMachine(); +#endif /*! \fn void QApplicationPrivate::initialize() @@ -842,12 +850,15 @@ extern void qInitDrawhelperAsm(); void QApplicationPrivate::initialize() { QWidgetPrivate::mapper = new QWidgetMapper; - QWidgetPrivate::uncreatedWidgets = new QWidgetSet; + QWidgetPrivate::allWidgets = new QWidgetSet; if (qt_appType != QApplication::Tty) (void) QApplication::style(); // trigger creation of application style // trigger registering of QVariant's GUI types - extern int qRegisterGuiVariant(); qRegisterGuiVariant(); +#ifndef QT_NO_STATEMACHINE + // trigger registering of QStateMachine's GUI types + qRegisterGuiStateMachine(); +#endif is_app_running = true; // no longer starting up @@ -860,13 +871,7 @@ void QApplicationPrivate::initialize() if (qgetenv("QT_USE_NATIVE_WINDOWS").toInt() > 0) q->setAttribute(Qt::AA_NativeWindows); -#if defined(Q_WS_WIN) - // Alien is not currently working on Windows 98 - if (QSysInfo::WindowsVersion & QSysInfo::WV_DOS_based) - q->setAttribute(Qt::AA_NativeWindows); -#endif - -#ifdef Q_OS_WINCE +#ifdef Q_WS_WINCE #ifdef QT_AUTO_MAXIMIZE_THRESHOLD autoMaximizeThreshold = QT_AUTO_MAXIMIZE_THRESHOLD; #else @@ -875,7 +880,7 @@ void QApplicationPrivate::initialize() else autoMaximizeThreshold = -1; #endif //QT_AUTO_MAXIMIZE_THRESHOLD -#endif //Q_OS_WINCE +#endif //Q_WS_WINCE // Set up which span functions should be used in raster engine... qInitDrawhelperAsm(); @@ -893,6 +898,8 @@ void QApplicationPrivate::initialize() QApplicationPrivate::wheel_scroll_lines = 3; #endif #endif + + initializeMultitouch(); } /*! @@ -987,23 +994,14 @@ QApplication::~QApplication() qt_clipboard = 0; #endif - // delete widget mapper - if (QWidgetPrivate::mapper) { - QWidgetMapper * myMapper = QWidgetPrivate::mapper; - QWidgetPrivate::mapper = 0; - for (QWidgetMapper::Iterator it = myMapper->begin(); it != myMapper->end(); ++it) { - register QWidget *w = *it; - if (!w->parent()) // window - w->destroy(true, true); - } - delete myMapper; - } + delete QWidgetPrivate::mapper; + QWidgetPrivate::mapper = 0; - // delete uncreated widgets - if (QWidgetPrivate::uncreatedWidgets) { - QWidgetSet *mySet = QWidgetPrivate::uncreatedWidgets; - QWidgetPrivate::uncreatedWidgets = 0; - for (QWidgetSet::Iterator it = mySet->begin(); it != mySet->end(); ++it) { + // delete all widgets + if (QWidgetPrivate::allWidgets) { + QWidgetSet *mySet = QWidgetPrivate::allWidgets; + QWidgetPrivate::allWidgets = 0; + for (QWidgetSet::ConstIterator it = mySet->constBegin(); it != mySet->constEnd(); ++it) { register QWidget *w = *it; if (!w->parent()) // window w->destroy(true, true); @@ -1043,6 +1041,8 @@ QApplication::~QApplication() delete QDragManager::self(); #endif + d->cleanupMultitouch(); + qt_cleanup(); if (QApplicationPrivate::widgetCount) @@ -1069,8 +1069,11 @@ QApplication::~QApplication() QApplicationPrivate::fade_tooltip = false; QApplicationPrivate::widgetCount = false; +#ifndef QT_NO_STATEMACHINE + // trigger unregistering of QStateMachine's GUI types + qUnregisterGuiStateMachine(); +#endif // trigger unregistering of QVariant's GUI types - extern int qUnregisterGuiVariant(); qUnregisterGuiVariant(); } @@ -1197,21 +1200,22 @@ bool QApplication::compressEvent(QEvent *event, QObject *receiver, QPostEventLis \since 4.4 \brief defines a threshold for auto maximizing widgets - The auto maximize threshold is only available as part of Qt for Windows CE. + \bold{The auto maximize threshold is only available as part of Qt for + Windows CE.} This property defines a threshold for the size of a window as a percentage of the screen size. If the minimum size hint of a window exceeds the - threshold, calling show() will then cause the window to be maximized + threshold, calling show() will cause the window to be maximized automatically. - Setting the threshold to be 100 or greater means that it will cause it to - always be maximized. Setting it to be 50 means that the widget is maximized - if the vertical minimum size hint is at least 50% of the vertical screen - size. + Setting the threshold to 100 or greater means that the widget will always + be maximized. Alternatively, setting the threshold to 50 means that the + widget will be maximized only if the vertical minimum size hint is at least + 50% of the vertical screen size. - If -1 is specified then this will disable the feature. + Setting the threshold to -1 disables the feature. - On Windows CE the default is -1 (i.e. it is disabled). + On Windows CE the default is -1 (i.e., it is disabled). On Windows Mobile the default is 40. */ @@ -1220,14 +1224,18 @@ bool QApplication::compressEvent(QEvent *event, QObject *receiver, QPostEventLis \since 4.5 \brief toggles automatic SIP (software input panel) visibility - The auto SIP property is only available as part of Qt for Windows CE. - - Set this property to true to automatically display the SIP when entering + Set this property to \c true to automatically display the SIP when entering widgets that accept keyboard input. This property only affects widgets with - the WA_InputMethodEnabled attribute set. + the WA_InputMethodEnabled attribute set, and is typically used to launch + a virtual keyboard on devices which have very few or no keys. + + \bold{ The property only has an effect on platforms which use software input + panels, such as Windows CE and Symbian.} + + The default is platform dependent. */ -#ifdef Q_OS_WINCE +#ifdef Q_WS_WINCE void QApplication::setAutoMaximizeThreshold(const int threshold) { QApplicationPrivate::autoMaximizeThreshold = threshold; @@ -1237,6 +1245,7 @@ int QApplication::autoMaximizeThreshold() const { return QApplicationPrivate::autoMaximizeThreshold; } +#endif void QApplication::setAutoSipEnabled(const bool enabled) { @@ -1247,7 +1256,6 @@ bool QApplication::autoSipEnabled() const { return QApplicationPrivate::autoSipEnabled; } -#endif #ifndef QT_NO_STYLE_STYLESHEET @@ -1289,44 +1297,14 @@ QStyle *QApplication::style() return 0; } -#if defined(Q_WS_X11) - if(!QApplicationPrivate::styleOverride) - QApplicationPrivate::x11_initialize_style(); // run-time search for default style -#endif if (!QApplicationPrivate::app_style) { // Compile-time search for default style // QString style; - if (QApplicationPrivate::styleOverride) { - style = *QApplicationPrivate::styleOverride; - delete QApplicationPrivate::styleOverride; - QApplicationPrivate::styleOverride = 0; - } else { -#if defined(Q_WS_WIN) && defined(Q_OS_WINCE) - if (qt_wince_is_smartphone() || qt_wince_is_pocket_pc()) - style = QLatin1String("WindowsMobile"); - else - style = QLatin1String("WindowsCE"); - -#elif defined(Q_WS_WIN) - if ((QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA - && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based)) - style = QLatin1String("WindowsVista"); - else if ((QSysInfo::WindowsVersion >= QSysInfo::WV_XP - && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based)) - style = QLatin1String("WindowsXP"); - else - style = QLatin1String("Windows"); // default styles for Windows -#elif defined(Q_WS_X11) && defined(Q_OS_SOLARIS) - style = QLatin1String("CDE"); // default style for X11 on Solaris -#elif defined(Q_WS_X11) && defined(Q_OS_IRIX) - style = QLatin1String("SGI"); // default style for X11 on IRIX -#elif defined(Q_WS_X11) || defined(Q_WS_QWS) - style = QLatin1String("Plastique"); // default style for X11 and small devices -#elif defined(Q_WS_MAC) - style = QLatin1String("Macintosh"); // default style for all Mac's -#endif - } + if (!QApplicationPrivate::styleOverride.isEmpty()) + style = QApplicationPrivate::styleOverride; + else + style = QApplicationPrivate::desktopStyleKey(); QStyle *&app_style = QApplicationPrivate::app_style; app_style = QStyleFactory::create(style); @@ -1414,7 +1392,6 @@ void QApplication::setStyle(QStyle *style) } else #endif // QT_NO_STYLE_STYLESHEET QApplicationPrivate::app_style = style; - QApplicationPrivate::app_style->setParent(qApp); // take ownership // take care of possible palette requirements of certain gui @@ -1551,7 +1528,7 @@ int QApplication::colorSpec() strategy. Use this option if your application uses buttons, menus, texts and pixmaps with few colors. With this option, the application uses system global colors. This works fine for most - applications under X11, but on Windows machines it may cause + applications under X11, but on the Windows platform, it may cause dithering of non-standard colors. \o QApplication::CustomColor. Use this option if your application needs a small number of custom colors. On X11, this option is the @@ -1938,6 +1915,44 @@ void QApplicationPrivate::setSystemFont(const QFont &font) QApplication::setFont(*sys_font); } +/*! \internal +*/ +QString QApplicationPrivate::desktopStyleKey() +{ +QString desktopstyle; +#if defined(Q_WS_WIN) && defined(Q_WS_WINCE) + if (qt_wince_is_smartphone() || qt_wince_is_pocket_pc()) + desktopstyle = QLatin1String("WindowsMobile"); + else + desktopstyle = QLatin1String("WindowsCE"); + +#elif defined(Q_WS_WIN) + if ((QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA + && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based)) + desktopstyle = QLatin1String("WindowsVista"); + else if ((QSysInfo::WindowsVersion >= QSysInfo::WV_XP + && QSysInfo::WindowsVersion < QSysInfo::WV_NT_based)) + desktopstyle = QLatin1String("WindowsXP"); + else + desktopstyle = QLatin1String("Windows"); // default styles for Windows +#elif defined(Q_WS_X11) && defined(Q_OS_SOLARIS) + desktopstyle = QLatin1String("CDE"); // default style for X11 on Solaris +#elif defined(Q_WS_S60) + desktopstyle = QLatin1String("S60"); // default style for Symbian with S60 +#elif defined(Q_OS_SYMBIAN) + desktopstyle = QLatin1String("Windows"); // default style for Symbian without S60 +#elif defined(Q_WS_X11) && defined(Q_OS_IRIX) + desktopstyle = QLatin1String("SGI"); // default style for X11 on IRIX +#elif defined(Q_WS_QWS) + desktopstyle = QLatin1String("Plastique"); // default style for X11 and small devices +#elif defined(Q_WS_X11) + desktopstyle = QApplicationPrivate::x11_desktop_style(); // default runtime dependant style for X11 +#elif defined(Q_WS_MAC) + desktopstyle = QLatin1String("Macintosh"); // default style for all Mac's +#endif + return desktopstyle; +} + /*! \property QApplication::windowIcon \brief the default window icon @@ -2010,12 +2025,9 @@ QWidgetList QApplication::topLevelWidgets() QWidgetList QApplication::allWidgets() { - QWidgetList list; - if (QWidgetPrivate::mapper) - list += QWidgetPrivate::mapper->values(); - if (QWidgetPrivate::uncreatedWidgets) - list += QWidgetPrivate::uncreatedWidgets->toList(); - return list; + if (QWidgetPrivate::allWidgets) + return QWidgetPrivate::allWidgets->toList(); + return QWidgetList(); } /*! @@ -2080,6 +2092,16 @@ void QApplicationPrivate::setFocusWidget(QWidget *focus, Qt::FocusReason reason) prev->setEditFocus(false); } #endif +#ifndef QT_NO_IM + if (focus) { + QInputContext *prevIc; + prevIc = prev->inputContext(); + if (prevIc && prevIc != focus->inputContext()) { + QEvent closeSIPEvent(QEvent::CloseSoftwareInputPanel); + QApplication::sendEvent(prev, &closeSIPEvent); + } + } +#endif QFocusEvent out(QEvent::FocusOut, reason); QPointer<QWidget> that = prev; QApplication::sendEvent(prev, &out); @@ -2089,8 +2111,9 @@ void QApplicationPrivate::setFocusWidget(QWidget *focus, Qt::FocusReason reason) if(focus && QApplicationPrivate::focus_widget == focus) { if (focus->testAttribute(Qt::WA_InputMethodEnabled)) { QInputContext *qic = focus->inputContext(); - if (qic && focus_widget->testAttribute(Qt::WA_WState_Created)) - qic->setFocusWidget( focus_widget ); + if (qic && focus->testAttribute(Qt::WA_WState_Created) + && focus->isEnabled()) + qic->setFocusWidget(focus); } QFocusEvent in(QEvent::FocusIn, reason); QPointer<QWidget> that = focus; @@ -2309,10 +2332,6 @@ bool QApplication::event(QEvent *e) } else if (te->timerId() == d->toolTipFallAsleep.timerId()) { d->toolTipFallAsleep.stop(); } -#ifdef QT_MAC_USE_COCOA - } else if (e->type() == QEvent::CocoaRequestModal) { - d->_q_runAppModalWindow(); -#endif } return QCoreApplication::event(e); } @@ -2576,14 +2595,14 @@ void QApplicationPrivate::dispatchEnterLeave(QWidget* enter, QWidget* leave) { QEvent leaveEvent(QEvent::Leave); for (int i = 0; i < leaveList.size(); ++i) { w = leaveList.at(i); - if (!qApp->activeModalWidget() || QApplicationPrivate::tryModalHelper(w, 0)) { + if (!QApplication::activeModalWidget() || QApplicationPrivate::tryModalHelper(w, 0)) { #if defined(Q_WS_WIN) || defined(Q_WS_X11) if (leaveAfterRelease == w) leaveAfterRelease = 0; #endif QApplication::sendEvent(w, &leaveEvent); if (w->testAttribute(Qt::WA_Hover) && - (!qApp->activePopupWidget() || qApp->activePopupWidget() == w->window())) { + (!QApplication::activePopupWidget() || QApplication::activePopupWidget() == w->window())) { Q_ASSERT(instance()); QHoverEvent he(QEvent::HoverLeave, QPoint(-1, -1), w->mapFromGlobal(QApplicationPrivate::instance()->hoverGlobalPos)); qApp->d_func()->notify_helper(w, &he); @@ -2594,10 +2613,10 @@ void QApplicationPrivate::dispatchEnterLeave(QWidget* enter, QWidget* leave) { QEvent enterEvent(QEvent::Enter); for (int i = 0; i < enterList.size(); ++i) { w = enterList.at(i); - if (!qApp->activeModalWidget() || QApplicationPrivate::tryModalHelper(w, 0)) { + if (!QApplication::activeModalWidget() || QApplicationPrivate::tryModalHelper(w, 0)) { QApplication::sendEvent(w, &enterEvent); if (w->testAttribute(Qt::WA_Hover) && - (!qApp->activePopupWidget() || qApp->activePopupWidget() == w->window())) { + (!QApplication::activePopupWidget() || QApplication::activePopupWidget() == w->window())) { QHoverEvent he(QEvent::HoverEnter, w->mapFromGlobal(posEnter), QPoint(-1, -1)); qApp->d_func()->notify_helper(w, &he); } @@ -2671,7 +2690,7 @@ bool QApplicationPrivate::isBlockedByModal(QWidget *widget) widget = widget->window(); if (!modalState()) return false; - if (qApp->activePopupWidget() == widget) + if (QApplication::activePopupWidget() == widget) return false; for (int i = 0; i < qt_modal_stack->size(); ++i) { @@ -2760,7 +2779,7 @@ bool QApplicationPrivate::isBlockedByModal(QWidget *widget) void QApplicationPrivate::enterModal(QWidget *widget) { QSet<QWidget*> blocked; - QList<QWidget*> windows = qApp->topLevelWidgets(); + QList<QWidget*> windows = QApplication::topLevelWidgets(); for (int i = 0; i < windows.count(); ++i) { QWidget *window = windows.at(i); if (window->windowType() != Qt::Tool && isBlockedByModal(window)) @@ -2769,7 +2788,7 @@ void QApplicationPrivate::enterModal(QWidget *widget) enterModal_sys(widget); - windows = qApp->topLevelWidgets(); + windows = QApplication::topLevelWidgets(); QEvent e(QEvent::WindowBlocked); for (int i = 0; i < windows.count(); ++i) { QWidget *window = windows.at(i); @@ -2783,7 +2802,7 @@ void QApplicationPrivate::enterModal(QWidget *widget) void QApplicationPrivate::leaveModal(QWidget *widget) { QSet<QWidget*> blocked; - QList<QWidget*> windows = qApp->topLevelWidgets(); + QList<QWidget*> windows = QApplication::topLevelWidgets(); for (int i = 0; i < windows.count(); ++i) { QWidget *window = windows.at(i); if (window->windowType() != Qt::Tool && isBlockedByModal(window)) @@ -2792,7 +2811,7 @@ void QApplicationPrivate::leaveModal(QWidget *widget) leaveModal_sys(widget); - windows = qApp->topLevelWidgets(); + windows = QApplication::topLevelWidgets(); QEvent e(QEvent::WindowUnblocked); for (int i = 0; i < windows.count(); ++i) { QWidget *window = windows.at(i); @@ -2815,7 +2834,7 @@ bool QApplicationPrivate::tryModalHelper(QWidget *widget, QWidget **rettop) *rettop = top; // the active popup widget always gets the input event - if (qApp->activePopupWidget()) + if (QApplication::activePopupWidget()) return true; #if defined(Q_WS_MAC) && defined(QT_MAC_USE_COCOA) @@ -2849,7 +2868,7 @@ QWidget *QApplicationPrivate::pickMouseReceiver(QWidget *candidate, const QPoint QWidget *receiver = candidate; if (!mouseGrabber) - mouseGrabber = buttonDown ? buttonDown : alienWidget; + mouseGrabber = (buttonDown && !isBlockedByModal(buttonDown)) ? buttonDown : alienWidget; if (mouseGrabber && mouseGrabber != candidate) { receiver = mouseGrabber; @@ -2868,7 +2887,8 @@ QWidget *QApplicationPrivate::pickMouseReceiver(QWidget *candidate, const QPoint */ bool QApplicationPrivate::sendMouseEvent(QWidget *receiver, QMouseEvent *event, QWidget *alienWidget, QWidget *nativeWidget, - QWidget **buttonDown, QPointer<QWidget> &lastMouseReceiver) + QWidget **buttonDown, QPointer<QWidget> &lastMouseReceiver, + bool spontaneous) { Q_ASSERT(receiver); Q_ASSERT(event); @@ -2881,7 +2901,7 @@ bool QApplicationPrivate::sendMouseEvent(QWidget *receiver, QMouseEvent *event, QPointer<QWidget> receiverGuard = receiver; QPointer<QWidget> nativeGuard = nativeWidget; QPointer<QWidget> alienGuard = alienWidget; - QPointer<QWidget> activePopupWidget = qApp->activePopupWidget(); + QPointer<QWidget> activePopupWidget = QApplication::activePopupWidget(); const bool graphicsWidget = nativeWidget->testAttribute(Qt::WA_DontShowOnScreen); @@ -2921,7 +2941,11 @@ bool QApplicationPrivate::sendMouseEvent(QWidget *receiver, QMouseEvent *event, // We need this quard in case someone opens a modal dialog / popup. If that's the case // leaveAfterRelease is set to null, but we shall not update lastMouseReceiver. const bool wasLeaveAfterRelease = leaveAfterRelease != 0; - bool result = QApplication::sendSpontaneousEvent(receiver, event); + bool result; + if (spontaneous) + result = QApplication::sendSpontaneousEvent(receiver, event); + else + result = QApplication::sendEvent(receiver, event); if (!graphicsWidget && leaveAfterRelease && event->type() == QEvent::MouseButtonRelease && !event->buttons() && QWidget::mouseGrabber() != leaveAfterRelease) { @@ -3477,6 +3501,15 @@ void QApplication::changeOverrideCursor(const QCursor &cursor) if (qApp->d_func()->cursor_list.isEmpty()) return; qApp->d_func()->cursor_list.removeFirst(); +#ifdef QT_MAC_USE_COCOA + // We use native NSCursor stacks in Cocoa. The currentCursor is the + // top of this stack. So to avoid flickering of cursor, we have to + // change the cusor instead of pop-ing the existing OverrideCursor + // and pushing the new one. + qApp->d_func()->cursor_list.prepend(cursor); + qt_cocoaChangeOverrideCursor(cursor); + return; +#endif setOverrideCursor(cursor); } #endif @@ -3496,7 +3529,7 @@ void QApplication::changeOverrideCursor(const QCursor &cursor) It is necessary to call this function to start event handling. The main event loop receives events from the window system and dispatches these to the application widgets. - + Generally, no user interaction can take place before calling exec(). As a special case, modal widgets like QMessageBox can be used before calling exec(), because modal widgets call exec() to start a local event loop. @@ -3507,12 +3540,12 @@ void QApplication::changeOverrideCursor(const QCursor &cursor) We recommend that you connect clean-up code to the \l{QCoreApplication::}{aboutToQuit()} signal, instead of putting it in your - application's \c{main()} function because on some platforms the - QApplication::exec() call may not return. For example, on Windows when the - user logs off, the system terminates the process after Qt closes all - top-level windows. Hence, there is no guarantee that the application will - have time to exit its event loop and execute code at the end of the - \c{main()} function after the QApplication::exec() call. + application's \c{main()} function. This is because, on some platforms the + QApplication::exec() call may not return. For example, on the Windows + platform, when the user logs off, the system terminates the process after Qt + closes all top-level windows. Hence, there is \e{no guarantee} that the + application will have time to exit its event loop and execute code at the + end of the \c{main()} function, after the QApplication::exec() call. \sa quitOnLastWindowClosed, quit(), exit(), processEvents(), QCoreApplication::exec() @@ -3562,20 +3595,18 @@ bool QApplication::notify(QObject *receiver, QEvent *e) QApplicationPrivate::mouse_buttons |= me->button(); else QApplicationPrivate::mouse_buttons &= ~me->button(); - } + } #if !defined(QT_NO_WHEELEVENT) || !defined(QT_NO_TABLETEVENT) - else if ( + else if (false # ifndef QT_NO_WHEELEVENT - e->type() == QEvent::Wheel -# else - false + || e->type() == QEvent::Wheel # endif # ifndef QT_NO_TABLETEVENT - || e->type() == QEvent::TabletMove - || e->type() == QEvent::TabletPress - || e->type() == QEvent::TabletRelease + || e->type() == QEvent::TabletMove + || e->type() == QEvent::TabletPress + || e->type() == QEvent::TabletRelease # endif - ) { + ) { QInputEvent *ie = static_cast<QInputEvent*>(e); QApplicationPrivate::modifier_buttons = ie->modifiers(); } @@ -3594,6 +3625,7 @@ bool QApplication::notify(QObject *receiver, QEvent *e) case QEvent::MouseButtonRelease: case QEvent::MouseButtonDblClick: d->toolTipFallAsleep.stop(); + // fall-through case QEvent::Leave: d->toolTipWakeUp.stop(); default: @@ -3709,19 +3741,18 @@ bool QApplication::notify(QObject *receiver, QEvent *e) QPoint relpos = mouse->pos(); if (e->spontaneous()) { +#ifndef QT_NO_IM + QInputContext *ic = w->inputContext(); + if (ic + && w->testAttribute(Qt::WA_InputMethodEnabled) + && ic->filterEvent(mouse)) + return true; +#endif if (e->type() == QEvent::MouseButtonPress) { - QWidget *fw = w; - while (fw) { - if (fw->isEnabled() - && QApplicationPrivate::shouldSetFocus(fw, Qt::ClickFocus)) { - fw->setFocus(Qt::MouseFocusReason); - break; - } - if (fw->isWindow()) - break; - fw = fw->parentWidget(); - } + QApplicationPrivate::giveFocusAccordingToFocusPolicy(w, + Qt::ClickFocus, + Qt::MouseFocusReason); } // ### Qt 5 These dynamic tool tips should be an OPT-IN feature. Some platforms @@ -3787,7 +3818,7 @@ bool QApplication::notify(QObject *receiver, QEvent *e) QPoint diff = relpos - w->mapFromGlobal(d->hoverGlobalPos); while (w) { if (w->testAttribute(Qt::WA_Hover) && - (!qApp->activePopupWidget() || qApp->activePopupWidget() == w->window())) { + (!QApplication::activePopupWidget() || QApplication::activePopupWidget() == w->window())) { QHoverEvent he(QEvent::HoverMove, relpos, relpos - diff); d->notify_helper(w, &he); } @@ -3810,17 +3841,9 @@ bool QApplication::notify(QObject *receiver, QEvent *e) bool eventAccepted = wheel->isAccepted(); if (e->spontaneous()) { - QWidget *fw = w; - while (fw) { - if (fw->isEnabled() - && QApplicationPrivate::shouldSetFocus(fw, Qt::WheelFocus)) { - fw->setFocus(Qt::MouseFocusReason); - break; - } - if (fw->isWindow()) - break; - fw = fw->parentWidget(); - } + QApplicationPrivate::giveFocusAccordingToFocusPolicy(w, + Qt::WheelFocus, + Qt::MouseFocusReason); } while (w) { @@ -4025,7 +4048,72 @@ bool QApplication::notify(QObject *receiver, QEvent *e) } break; #endif + case QEvent::TouchBegin: + // Note: TouchUpdate and TouchEnd events are never propagated + { + QWidget *widget = static_cast<QWidget *>(receiver); + QTouchEvent *touchEvent = static_cast<QTouchEvent *>(e); + bool eventAccepted = touchEvent->isAccepted(); + if (widget->testAttribute(Qt::WA_AcceptTouchEvents) && e->spontaneous()) { + // give the widget focus if the focus policy allows it + QApplicationPrivate::giveFocusAccordingToFocusPolicy(widget, + Qt::ClickFocus, + Qt::MouseFocusReason); + } + while (widget) { + // first, try to deliver the touch event + bool acceptTouchEvents = widget->testAttribute(Qt::WA_AcceptTouchEvents); + touchEvent->setWidget(widget); + touchEvent->setAccepted(acceptTouchEvents); + res = acceptTouchEvents && d->notify_helper(widget, touchEvent); + eventAccepted = touchEvent->isAccepted(); + widget->setAttribute(Qt::WA_WState_AcceptedTouchBeginEvent, res && eventAccepted); + touchEvent->spont = false; + if (res && eventAccepted) { + // the first widget to accept the TouchBegin gets an implicit grab. + for (int i = 0; i < touchEvent->touchPoints().count(); ++i) { + const QTouchEvent::TouchPoint &touchPoint = touchEvent->touchPoints().at(i); + d->widgetForTouchPointId[touchPoint.id()] = widget; + } + break; + } else if (widget->isWindow() || widget->testAttribute(Qt::WA_NoMousePropagation)) { + break; + } + widget = widget->parentWidget(); + d->updateTouchPointsForWidget(widget, touchEvent); + } + + touchEvent->setAccepted(eventAccepted); + break; + } + case QEvent::RequestSoftwareInputPanel: + case QEvent::CloseSoftwareInputPanel: +#ifndef QT_NO_IM + if (receiver->isWidgetType()) { + QWidget *w = static_cast<QWidget *>(receiver); + QInputContext *ic = w->inputContext(); + if (ic && ic->filterEvent(e)) { + break; + } + } +#endif + res = d->notify_helper(receiver, e); + break; + + case QEvent::NativeGesture: + { + // only propagate the first gesture event (after the GID_BEGIN) + QWidget *w = static_cast<QWidget *>(receiver); + while (w) { + e->ignore(); + res = d->notify_helper(w, e); + if ((res && e->isAccepted()) || w->isWindow()) + break; + w = w->parentWidget(); + } + break; + } default: res = d->notify_helper(receiver, e); break; @@ -4043,10 +4131,10 @@ bool QApplicationPrivate::notify_helper(QObject *receiver, QEvent * e) if (receiver->isWidgetType()) { QWidget *widget = static_cast<QWidget *>(receiver); -#if !defined(Q_OS_WINCE) || (defined(GWES_ICONCURS) && !defined(QT_NO_CURSOR)) +#if !defined(Q_WS_WINCE) || (defined(GWES_ICONCURS) && !defined(QT_NO_CURSOR)) // toggle HasMouse widget state on enter and leave if ((e->type() == QEvent::Enter || e->type() == QEvent::DragEnter) && - (!qApp->activePopupWidget() || qApp->activePopupWidget() == widget->window())) + (!QApplication::activePopupWidget() || QApplication::activePopupWidget() == widget->window())) widget->setAttribute(Qt::WA_UnderMouse, true); else if (e->type() == QEvent::Leave || e->type() == QEvent::DragLeave) widget->setAttribute(Qt::WA_UnderMouse, false); @@ -4072,9 +4160,6 @@ bool QApplicationPrivate::notify_helper(QObject *receiver, QEvent * e) \class QSessionManager \brief The QSessionManager class provides access to the session manager. - \ingroup application - \ingroup environment - A session manager in a desktop environment (in which Qt GUI applications live) keeps track of a session, which is a group of running applications, each of which has a particular state. The state of an application contains @@ -4373,13 +4458,13 @@ HRESULT qt_CoCreateGuid(GUID* guid) { // We will use the following information to create the GUID // 1. absolute path to application - wchar_t tempFilename[512]; - if (!GetModuleFileNameW(0, tempFilename, 512)) + wchar_t tempFilename[MAX_PATH]; + if (!GetModuleFileName(0, tempFilename, MAX_PATH)) return S_FALSE; - unsigned int hash = qHash(QString::fromUtf16((const unsigned short *) tempFilename)); + unsigned int hash = qHash(QString::fromWCharArray(tempFilename)); guid->Data1 = hash; // 2. creation time of file - QFileInfo info(QString::fromUtf16((const unsigned short *) tempFilename)); + QFileInfo info(QString::fromWCharArray(tempFilename)); guid->Data2 = qHash(info.created().toTime_t()); // 3. current system time guid->Data3 = qHash(QDateTime::currentDateTime().toTime_t()); @@ -4413,10 +4498,10 @@ QSessionManager::QSessionManager(QApplication * app, QString &id, QString &key) GUID guid; CoCreateGuid(&guid); StringFromGUID2(guid, guidstr, 40); - id = QString::fromUtf16((ushort*)guidstr); + id = QString::fromWCharArray(guidstr); CoCreateGuid(&guid); StringFromGUID2(guid, guidstr, 40); - key = QString::fromUtf16((ushort*)guidstr); + key = QString::fromWCharArray(guidstr); #endif d->sessionId = id; d->sessionKey = key; @@ -4576,9 +4661,9 @@ void QSessionManager::requestPhase2() \oldcode app.setWinStyleHighlightColor(color); \newcode - QPalette palette(qApp->palette()); + QPalette palette(QApplication::palette()); palette.setColor(QPalette::Highlight, color); - qApp->setPalette(palette); + QApplication::setPalette(palette); \endcode */ @@ -4597,7 +4682,7 @@ void QSessionManager::requestPhase2() /*! \fn const QColor &QApplication::winStyleHighlightColor() - Use qApp->palette().color(QPalette::Active, QPalette::Highlight) instead. + Use QApplication::palette().color(QPalette::Active, QPalette::Highlight) instead. */ /*! @@ -4687,7 +4772,8 @@ void QApplicationPrivate::emitLastWindowClosed() If \a enable is true, Qt::Key_Up and Qt::Key_Down are used to change focus. - This feature is available in Qt for Embedded Linux and Windows CE only. + This feature is available in Qt for Embedded Linux, Symbian and Windows CE + only. \note On Windows CE this feature is disabled by default for touch device mkspecs. To enable keypad navigation, build Qt with @@ -4702,9 +4788,10 @@ void QApplication::setKeypadNavigationEnabled(bool enable) /*! Returns true if Qt is set to use keypad navigation; otherwise returns - false. The default is false. + false. The default value is true on Symbian, but false on other platforms. - This feature is available in Qt for Embedded Linux and Windows CE only. + This feature is available in Qt for Embedded Linux, Symbian and Windows CE + only. \note On Windows CE this feature is disabled by default for touch device mkspecs. To enable keypad navigation, build Qt with @@ -4732,7 +4819,7 @@ bool QApplication::keypadNavigationEnabled() On Mac OS X, this works more at the application level and will cause the application icon to bounce in the dock. - On Windows this causes the window's taskbar entry to flash for a time. If + On Windows, this causes the window's taskbar entry to flash for a time. If \a msec is zero, the flashing will stop and the taskbar entry will turn a different color (currently orange). @@ -4749,24 +4836,22 @@ bool QApplication::keypadNavigationEnabled() caret display. Usually the text cursor is displayed for half the cursor flash time, then hidden for the same amount of time, but this may vary. - The default value on X11 is 1000 milliseconds. On Windows, the control - panel value is used. Widgets should not cache this value since it may be - changed at any time by the user changing the global desktop settings. + The default value on X11 is 1000 milliseconds. On Windows, the + \gui{Control Panel} value is used and setting this property sets the cursor + flash time for all applications. - \note On Microsoft Windows, setting this property sets the cursor flash - time for all applications. + We recommend that widgets do not cache this value as it may change at any + time if the user changes the global desktop settings. */ /*! \property QApplication::doubleClickInterval - \brief the time limit in milliseconds that distinguishes a double click from two - consecutive mouse clicks - - The default value on X11 is 400 milliseconds. On Windows and Mac OS X, the - operating system's value is used. + \brief the time limit in milliseconds that distinguishes a double click + from two consecutive mouse clicks - On Microsoft Windows, calling this function sets the double click interval - for all applications. + The default value on X11 is 400 milliseconds. On Windows and Mac OS, the + operating system's value is used. However, on Windows and Symbian OS, + calling this function sets the double click interval for all applications. */ /*! @@ -4775,7 +4860,7 @@ bool QApplication::keypadNavigationEnabled() from two consecutive key presses \since 4.2 - The default value on X11 is 400 milliseconds. On Windows and Mac OS X, the + The default value on X11 is 400 milliseconds. On Windows and Mac OS, the operating system's value is used. */ @@ -4840,7 +4925,7 @@ bool QApplication::keypadNavigationEnabled() You need not have a main widget; connecting lastWindowClosed() to quit() is an alternative. - For X11, this function also resizes and moves the main widget according + On X11, this function also resizes and moves the main widget according to the \e -geometry command-line option, so you should set the default geometry (using \l QWidget::setGeometry()) before calling setMainWidget(). @@ -4869,9 +4954,10 @@ bool QApplication::keypadNavigationEnabled() Application cursors are stored on an internal stack. setOverrideCursor() pushes the cursor onto the stack, and restoreOverrideCursor() pops the active cursor off the stack. changeOverrideCursor() changes the curently - active application override cursor. Every setOverrideCursor() must - eventually be followed by a corresponding restoreOverrideCursor(), - otherwise the stack will never be emptied. + active application override cursor. + + Every setOverrideCursor() must eventually be followed by a corresponding + restoreOverrideCursor(), otherwise the stack will never be emptied. Example: \snippet doc/src/snippets/code/src_gui_kernel_qapplication_x11.cpp 0 @@ -4924,8 +5010,7 @@ void QApplication::setInputContext(QInputContext *inputContext) qWarning("QApplication::setInputContext: called with 0 input context"); return; } - if (d->inputContext) - delete d->inputContext; + delete d->inputContext; d->inputContext = inputContext; } @@ -4949,6 +5034,11 @@ QInputContext *QApplication::inputContext() const qic = QInputContextFactory::create(QLatin1String("xim"), that); that->d_func()->inputContext = qic; } +#elif defined(Q_WS_S60) + if (!d->inputContext) { + QApplication *that = const_cast<QApplication *>(this); + that->d_func()->inputContext = QInputContextFactory::create(QString::fromLatin1("coefep"), that); + } #endif return d->inputContext; } @@ -4966,6 +5056,8 @@ uint QApplicationPrivate::currentPlatform(){ platform |= KB_Gnome; if (X11->desktopEnvironment == DE_CDE) platform |= KB_CDE; +#elif defined(Q_OS_SYMBIAN) + platform = KB_S60; #endif return platform; } @@ -5000,6 +5092,23 @@ Qt::LayoutDirection QApplication::keyboardInputDirection() return qt_keymapper_private()->keyboardInputDirection; } +void QApplicationPrivate::giveFocusAccordingToFocusPolicy(QWidget *widget, + Qt::FocusPolicy focusPolicy, + Qt::FocusReason focusReason) +{ + QWidget *focusWidget = widget; + while (focusWidget) { + if (focusWidget->isEnabled() + && QApplicationPrivate::shouldSetFocus(focusWidget, focusPolicy)) { + focusWidget->setFocus(focusReason); + break; + } + if (focusWidget->isWindow()) + break; + focusWidget = focusWidget->parentWidget(); + } +} + bool QApplicationPrivate::shouldSetFocus(QWidget *w, Qt::FocusPolicy policy) { QWidget *f = w; @@ -5035,19 +5144,19 @@ bool QApplicationPrivate::shouldSetFocus(QWidget *w, Qt::FocusPolicy policy) */ /*! \fn QDecoration* QApplication::qwsSetDecoration(const QString &decoration) - \overload + \overload - Requests a QDecoration object for \a decoration from the QDecorationFactory. + Requests a QDecoration object for \a decoration from the + QDecorationFactory. - The string must be one of the QDecorationFactory::keys(). Keys are - case insensitive. + The string must be one of the QDecorationFactory::keys(). Keys are case + insensitive. - A later call to the QApplication constructor will override the - requested style when a "-style" option is passed in as a commandline - parameter. + A later call to the QApplication constructor will override the requested + style when a "-style" option is passed in as a commandline parameter. - Returns 0 if an unknown \a decoration is passed, otherwise the QStyle object - returned is set as the application's GUI style. + Returns 0 if an unknown \a decoration is passed, otherwise the QStyle object + returned is set as the application's GUI style. */ /*! @@ -5144,6 +5253,211 @@ bool QApplicationPrivate::shouldSetFocus(QWidget *w, Qt::FocusPolicy policy) This normally takes some time. Does nothing on other platforms. */ +void QApplicationPrivate::updateTouchPointsForWidget(QWidget *widget, QTouchEvent *touchEvent) +{ + for (int i = 0; i < touchEvent->touchPoints().count(); ++i) { + QTouchEvent::TouchPoint &touchPoint = touchEvent->_touchPoints[i]; + + // preserve the sub-pixel resolution + QRectF rect = touchPoint.screenRect(); + const QPointF screenPos = rect.center(); + const QPointF delta = screenPos - screenPos.toPoint(); + + rect.moveCenter(widget->mapFromGlobal(screenPos.toPoint()) + delta); + touchPoint.setRect(rect); + touchPoint.setStartPos(widget->mapFromGlobal(touchPoint.startScreenPos().toPoint()) + delta); + touchPoint.setLastPos(widget->mapFromGlobal(touchPoint.lastScreenPos().toPoint()) + delta); + } +} + +void QApplicationPrivate::initializeMultitouch() +{ + widgetForTouchPointId.clear(); + appCurrentTouchPoints.clear(); + + initializeMultitouch_sys(); +} + +void QApplicationPrivate::cleanupMultitouch() +{ + cleanupMultitouch_sys(); + + widgetForTouchPointId.clear(); + appCurrentTouchPoints.clear(); +} + +int QApplicationPrivate::findClosestTouchPointId(const QPointF &screenPos) +{ + int closestTouchPointId = -1; + qreal closestDistance = qreal(0.); + foreach (const QTouchEvent::TouchPoint &touchPoint, appCurrentTouchPoints) { + qreal distance = QLineF(screenPos, touchPoint.screenPos()).length(); + if (closestTouchPointId == -1 || distance < closestDistance) { + closestTouchPointId = touchPoint.id(); + closestDistance = distance; + } + } + return closestTouchPointId; +} + +void QApplicationPrivate::translateRawTouchEvent(QWidget *window, + QTouchEvent::DeviceType deviceType, + const QList<QTouchEvent::TouchPoint> &touchPoints) +{ + QApplicationPrivate *d = self; + typedef QPair<Qt::TouchPointStates, QList<QTouchEvent::TouchPoint> > StatesAndTouchPoints; + QHash<QWidget *, StatesAndTouchPoints> widgetsNeedingEvents; + + for (int i = 0; i < touchPoints.count(); ++i) { + QTouchEvent::TouchPoint touchPoint = touchPoints.at(i); + + // update state + QWidget *widget = 0; + switch (touchPoint.state()) { + case Qt::TouchPointPressed: + { + if (deviceType == QTouchEvent::TouchPad) { + // on touch-pads, send all touch points to the same widget + widget = d->widgetForTouchPointId.isEmpty() + ? 0 + : d->widgetForTouchPointId.constBegin().value(); + } + + if (!widget) { + // determine which widget this event will go to + if (!window) + window = QApplication::topLevelAt(touchPoint.screenPos().toPoint()); + if (!window) + continue; + widget = window->childAt(window->mapFromGlobal(touchPoint.screenPos().toPoint())); + if (!widget) + widget = window; + } + + if (deviceType == QTouchEvent::TouchScreen) { + int closestTouchPointId = d->findClosestTouchPointId(touchPoint.screenPos()); + QWidget *closestWidget = d->widgetForTouchPointId.value(closestTouchPointId); + if (closestWidget + && (widget->isAncestorOf(closestWidget) || closestWidget->isAncestorOf(widget))) { + widget = closestWidget; + } + } + + d->widgetForTouchPointId[touchPoint.id()] = widget; + touchPoint.setStartScreenPos(touchPoint.screenPos()); + touchPoint.setLastScreenPos(touchPoint.screenPos()); + touchPoint.setStartNormalizedPos(touchPoint.normalizedPos()); + touchPoint.setLastNormalizedPos(touchPoint.normalizedPos()); + if (touchPoint.pressure() < qreal(0.)) + touchPoint.setPressure(qreal(1.)); + d->appCurrentTouchPoints.insert(touchPoint.id(), touchPoint); + break; + } + case Qt::TouchPointReleased: + { + widget = d->widgetForTouchPointId.take(touchPoint.id()); + if (!widget) + continue; + + QTouchEvent::TouchPoint previousTouchPoint = d->appCurrentTouchPoints.take(touchPoint.id()); + touchPoint.setStartScreenPos(previousTouchPoint.startScreenPos()); + touchPoint.setLastScreenPos(previousTouchPoint.screenPos()); + touchPoint.setStartNormalizedPos(previousTouchPoint.startNormalizedPos()); + touchPoint.setLastNormalizedPos(previousTouchPoint.normalizedPos()); + if (touchPoint.pressure() < qreal(0.)) + touchPoint.setPressure(qreal(0.)); + break; + } + default: + widget = d->widgetForTouchPointId.value(touchPoint.id()); + if (!widget) + continue; + + Q_ASSERT(d->appCurrentTouchPoints.contains(touchPoint.id())); + QTouchEvent::TouchPoint previousTouchPoint = d->appCurrentTouchPoints.value(touchPoint.id()); + touchPoint.setStartScreenPos(previousTouchPoint.startScreenPos()); + touchPoint.setLastScreenPos(previousTouchPoint.screenPos()); + touchPoint.setStartNormalizedPos(previousTouchPoint.startNormalizedPos()); + touchPoint.setLastNormalizedPos(previousTouchPoint.normalizedPos()); + if (touchPoint.pressure() < qreal(0.)) + touchPoint.setPressure(qreal(1.)); + d->appCurrentTouchPoints[touchPoint.id()] = touchPoint; + break; + } + Q_ASSERT(widget != 0); + + // make the *scene* functions return the same as the *screen* functions + touchPoint.setSceneRect(touchPoint.screenRect()); + touchPoint.setStartScenePos(touchPoint.startScreenPos()); + touchPoint.setLastScenePos(touchPoint.lastScreenPos()); + + StatesAndTouchPoints &maskAndPoints = widgetsNeedingEvents[widget]; + maskAndPoints.first |= touchPoint.state(); + if (touchPoint.isPrimary()) + maskAndPoints.first |= Qt::TouchPointPrimary; + maskAndPoints.second.append(touchPoint); + } + + if (widgetsNeedingEvents.isEmpty()) + return; + + QHash<QWidget *, StatesAndTouchPoints>::ConstIterator it = widgetsNeedingEvents.constBegin(); + const QHash<QWidget *, StatesAndTouchPoints>::ConstIterator end = widgetsNeedingEvents.constEnd(); + for (; it != end; ++it) { + QWidget *widget = it.key(); + if (!QApplicationPrivate::tryModalHelper(widget, 0)) + continue; + + QEvent::Type eventType; + switch (it.value().first & Qt::TouchPointStateMask) { + case Qt::TouchPointPressed: + eventType = QEvent::TouchBegin; + break; + case Qt::TouchPointReleased: + eventType = QEvent::TouchEnd; + break; + case Qt::TouchPointStationary: + // don't send the event if nothing changed + continue; + default: + eventType = QEvent::TouchUpdate; + break; + } + + QTouchEvent touchEvent(eventType, + deviceType, + QApplication::keyboardModifiers(), + it.value().first, + it.value().second); + updateTouchPointsForWidget(widget, &touchEvent); + + switch (touchEvent.type()) { + case QEvent::TouchBegin: + { + // if the TouchBegin handler recurses, we assume that means the event + // has been implicitly accepted and continue to send touch events + widget->setAttribute(Qt::WA_WState_AcceptedTouchBeginEvent); + (void ) QApplication::sendSpontaneousEvent(widget, &touchEvent); + break; + } + default: + if (widget->testAttribute(Qt::WA_WState_AcceptedTouchBeginEvent)) { + if (touchEvent.type() == QEvent::TouchEnd) + widget->setAttribute(Qt::WA_WState_AcceptedTouchBeginEvent, false); + (void) QApplication::sendSpontaneousEvent(widget, &touchEvent); + } + break; + } + } +} + +Q_GUI_EXPORT void qt_translateRawTouchEvent(QWidget *window, + QTouchEvent::DeviceType deviceType, + const QList<QTouchEvent::TouchPoint> &touchPoints) +{ + QApplicationPrivate::translateRawTouchEvent(window, deviceType, touchPoints); +} + QT_END_NAMESPACE #include "moc_qapplication.cpp" |