KisExtendedModifiersMapperX11 Class Reference

#include <KisExtendedModifiersMapperX11.h>

Inheritance diagram for KisExtendedModifiersMapperX11:

Public Member Functions
	KisExtendedModifiersMapperX11 (QObject *parent, const QVariantList &)
ExtendedModifiers	queryExtendedModifiers () override
	~KisExtendedModifiersMapperX11 () override
Public Member Functions inherited from KisExtendedModifiersMapperPluginInterface
virtual	~KisExtendedModifiersMapperPluginInterface ()

Additional Inherited Members
Public Types inherited from KisExtendedModifiersMapperPluginInterface
typedef QVector< Qt::Key >	ExtendedModifiers

Detailed Description

Definition at line 11 of file KisExtendedModifiersMapperX11.h.

Constructor & Destructor Documentation

KisExtendedModifiersMapperX11()

KisExtendedModifiersMapperX11::KisExtendedModifiersMapperX11	(	QObject *	parent,
		const QVariantList &	)

Definition at line 115 of file KisExtendedModifiersMapperX11.cpp.

    : KisExtendedModifiersMapperPluginInterface(parent)
{
}

~KisExtendedModifiersMapperX11()

KisExtendedModifiersMapperX11::~KisExtendedModifiersMapperX11 ( )

overridedefault

Member Function Documentation

queryExtendedModifiers()

KisExtendedModifiersMapperPluginInterface::ExtendedModifiers KisExtendedModifiersMapperX11::queryExtendedModifiers ( )

overridevirtual

Implements KisExtendedModifiersMapperPluginInterface.

Definition at line 122 of file KisExtendedModifiersMapperX11.cpp.

{
    KisExtendedModifiersMapperPluginInterface::ExtendedModifiers modifiers;
 
    char keysState[32];
    int minKeyCode = 0;
    int maxKeyCode = 0;
 
#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
    XDisplayKeycodes(QX11Info::display(), &minKeyCode, &maxKeyCode);
    XQueryKeymap(QX11Info::display(), keysState);
#else
    XDisplayKeycodes(qGuiApp->nativeInterface<QNativeInterface::QX11Application>()->display(),
                     &minKeyCode,
                     &maxKeyCode);
    XQueryKeymap(qGuiApp->nativeInterface<QNativeInterface::QX11Application>()->display(), keysState);
#endif
 
 
    auto checkKeyCodePressedX11 = [&keysState] (KeyCode key) -> bool {
        int byte = key / 8;
        char mask = 1 << (key % 8);
        return keysState[byte] & mask;
    };
 
    for (int keyCode = minKeyCode; keyCode <= maxKeyCode; keyCode++) {
        if (checkKeyCodePressedX11(keyCode)) {
#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
            KeySym sym = XkbKeycodeToKeysym(QX11Info::display(),
                                            keyCode,
#else
            KeySym sym = XkbKeycodeToKeysym(qGuiApp->nativeInterface<QNativeInterface::QX11Application>()->display(),
                                            keyCode,
#endif
                                            0,
                                            0);
            for (size_t i = 0; i < sizeof(s_mapping) / sizeof(s_mapping[0]); i++) {
                const KeyMapping &map = s_mapping[i];
                if (map.x11KeySym == sym) {
                    modifiers << map.qtKey;
                    break;
                }
            }
        }
    }
 
    // in X11 some keys may have multiple keysyms,
    // (Alt Key == XK_Meta_{L,R}, XK_Meta_{L,R})
    KritaUtils::makeContainerUnique(modifiers);
    return modifiers;
}

References KritaUtils::makeContainerUnique(), KeyMapping::qtKey, s_mapping, and KeyMapping::x11KeySym.

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The documentation for this class was generated from the following files:

• plugins/platforms/xcb/KisExtendedModifiersMapperX11.h
• plugins/platforms/xcb/KisExtendedModifiersMapperX11.cpp