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C++ QAccessibleInterface::isValid方法代码示例

本文整理汇总了C++中QAccessibleInterface::isValid方法的典型用法代码示例。如果您正苦于以下问题：C++ QAccessibleInterface::isValid方法的具体用法？C++ QAccessibleInterface::isValid怎么用？C++ QAccessibleInterface::isValid使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QAccessibleInterface的用法示例。


在下文中一共展示了QAccessibleInterface::isValid方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: accHitTest

/*
  IAccessible
*/
HRESULT STDMETHODCALLTYPE QWindowsAccessible::accHitTest(long xLeft, long yTop, VARIANT *pvarID)
{
    showDebug(__FUNCTION__, accessible);
    if (!accessible->isValid())
        return E_FAIL;

    int control = accessible->childAt(xLeft, yTop);
    if (control == -1) {
        (*pvarID).vt = VT_EMPTY;
        return S_FALSE;
    }
    QAccessibleInterface *acc = 0;
    if (control)
        accessible->navigate(Child, control, &acc);
    if (!acc) {
        (*pvarID).vt = VT_I4;
        (*pvarID).lVal = control;
        return S_OK;
    }

    QWindowsAccessible* wacc = new QWindowsAccessible(acc);
    IDispatch *iface = 0;
    wacc->QueryInterface(IID_IDispatch, (void**)&iface);
    if (iface) {
        (*pvarID).vt = VT_DISPATCH;
        (*pvarID).pdispVal = iface;
        return S_OK;
    } else {
        delete wacc;
    }

    (*pvarID).vt = VT_EMPTY;
    return S_FALSE;
}
开发者ID:12307，项目名称:VLC-for-VS2010，代码行数:37，代码来源:qaccessible_win.cpp

示例2: get_accDescription

HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::get_accDescription(VARIANT varID, BSTR* pszDescription)
{
    QAccessibleInterface *accessible = accessibleInterface();
    accessibleDebugClientCalls(accessible);
    if (!accessible)
        return E_FAIL;


    QString descr;
    if (varID.lVal) {
        QAccessibleInterface *child = childPointer(accessible, varID);
        if (!child || !child->isValid())
            return E_FAIL;
        descr = child->text(QAccessible::Description);
    } else {
        descr = accessible->text(QAccessible::Description);
    }
    if (descr.size()) {
        *pszDescription = QStringToBSTR(descr);
        return S_OK;
    }

    *pszDescription = 0;
    return S_FALSE;
}
开发者ID:2gis，项目名称:2gisqt5android，代码行数:25，代码来源:qwindowsmsaaaccessible.cpp

示例3: get_accValue

// moz: [important]
HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::get_accValue(VARIANT varID, BSTR* pszValue)
{
    QAccessibleInterface *accessible = accessibleInterface();
    accessibleDebugClientCalls(accessible);
    if (varID.vt != VT_I4)
        return E_INVALIDARG;

    if (!accessible || !accessible->isValid() || varID.lVal) {
        return E_FAIL;
    }

    QString value;
    if (accessible->valueInterface()) {
        value = QString::number(accessible->valueInterface()->currentValue().toDouble());
    } else {
        value = accessible->text(QAccessible::Value);
    }
    if (!value.isNull()) {
        *pszValue = QStringToBSTR(value);
        return S_OK;
    }

    *pszValue = 0;
    accessibleDebug("return S_FALSE");
    return S_FALSE;
}
开发者ID:CodeDJ，项目名称:qt5-hidpi，代码行数:27，代码来源:qwindowsmsaaaccessible.cpp

示例4: accSelect

HRESULT STDMETHODCALLTYPE QWindowsAccessible::accSelect(long flagsSelect, VARIANT varID)
{
#ifdef DEBUG_SHOW_ATCLIENT_COMMANDS
    showDebug(__FUNCTION__, accessible);
#endif //DEBUG_SHOW_ATCLIENT_COMMANDS
    if (!accessible->isValid())
        return E_FAIL;

    bool res = false;

    if (flagsSelect & SELFLAG_TAKEFOCUS)
        res = accessible->doAction(SetFocus, varID.lVal, QVariantList());
    if (flagsSelect & SELFLAG_TAKESELECTION) {
        accessible->doAction(ClearSelection, 0, QVariantList());
        res = accessible->doAction(AddToSelection, varID.lVal, QVariantList());
    }
    if (flagsSelect & SELFLAG_EXTENDSELECTION)
        res = accessible->doAction(ExtendSelection, varID.lVal, QVariantList());
    if (flagsSelect & SELFLAG_ADDSELECTION)
        res = accessible->doAction(AddToSelection, varID.lVal, QVariantList());
    if (flagsSelect & SELFLAG_REMOVESELECTION)
        res = accessible->doAction(RemoveSelection, varID.lVal, QVariantList());

    return res ? S_OK : S_FALSE;
}
开发者ID:GodFox，项目名称:qtopia-ezx，代码行数:25，代码来源:qaccessible_win.cpp

示例5: get_accRole

// moz: [important]
HRESULT STDMETHODCALLTYPE QWindowsMsaaAccessible::get_accRole(VARIANT varID, VARIANT *pvarRole)
{
    QAccessibleInterface *accessible = accessibleInterface();
    accessibleDebugClientCalls(accessible);
    if (!accessible)
        return E_FAIL;

    QAccessible::Role role;
    if (varID.lVal) {
        QAccessibleInterface *child = childPointer(accessible, varID);
        if (!child || !child->isValid())
            return E_FAIL;
        role = child->role();
    } else {
        role = accessible->role();
    }

    if (role != QAccessible::NoRole) {
        if (role >= QAccessible::LayeredPane) {
            // This block should hopefully only be entered if the AT client
            // does not support IAccessible2, since it should prefer IA2::role() then.
            if (role == QAccessible::LayeredPane)
                role = QAccessible::Pane;
            else if (role == QAccessible::WebDocument)
                role = QAccessible::Document;
            else
                role = QAccessible::Client;
        }
        (*pvarRole).vt = VT_I4;
        (*pvarRole).lVal = role;
    } else {
        (*pvarRole).vt = VT_EMPTY;
    }
    return S_OK;
}
开发者ID:2gis，项目名称:2gisqt5android，代码行数:36，代码来源:qwindowsmsaaaccessible.cpp

示例6: get_accChild

HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accChild(VARIANT varChildID, IDispatch** ppdispChild)
{
    showDebug(__FUNCTION__, accessible);
    if (!accessible->isValid())
        return E_FAIL;

    if (varChildID.vt == VT_EMPTY)
        return E_INVALIDARG;


    int childIndex = varChildID.lVal;
    QAccessibleInterface *acc = 0;

    AccessibleElement elem(childIndex, accessible);
    if (elem.iface) {
        RelationFlag rel = elem.entry ? Child : Self;
        int index = elem.iface->navigate(rel, elem.entry, &acc);
        if (index == -1)
            return E_INVALIDARG;
    }

    if (acc) {
        QWindowsAccessible* wacc = new QWindowsAccessible(acc);
        wacc->QueryInterface(IID_IDispatch, (void**)ppdispChild);
        return S_OK;
    }

    *ppdispChild = 0;
    return S_FALSE;
}
开发者ID:12307，项目名称:VLC-for-VS2010，代码行数:30，代码来源:qaccessible_win.cpp

示例7: accSelect

HRESULT STDMETHODCALLTYPE QWindowsAccessible::accSelect(long flagsSelect, VARIANT varID)
{
    showDebug(__FUNCTION__, accessible);
    if (!accessible->isValid())
        return E_FAIL;

    bool res = false;

    AccessibleElement elem(varID.lVal, accessible);
    QAccessibleInterface *acc = elem.iface;
    if (acc) {
        const int entry = elem.entry;
        if (flagsSelect & SELFLAG_TAKEFOCUS)
            res = acc->doAction(SetFocus, entry, QVariantList());
        if (flagsSelect & SELFLAG_TAKESELECTION) {
            acc->doAction(ClearSelection, 0, QVariantList());   //### bug, 0 should be entry??
            res = acc->doAction(AddToSelection, entry, QVariantList());
        }
        if (flagsSelect & SELFLAG_EXTENDSELECTION)
            res = acc->doAction(ExtendSelection, entry, QVariantList());
        if (flagsSelect & SELFLAG_ADDSELECTION)
            res = acc->doAction(AddToSelection, entry, QVariantList());
        if (flagsSelect & SELFLAG_REMOVESELECTION)
            res = acc->doAction(RemoveSelection, entry, QVariantList());
    }
    return res ? S_OK : S_FALSE;
}
开发者ID:12307，项目名称:VLC-for-VS2010，代码行数:27，代码来源:qaccessible_win.cpp

示例8: accDoDefaultAction

/*
  Properties and methods
*/
HRESULT STDMETHODCALLTYPE QWindowsAccessible::accDoDefaultAction(VARIANT varID)
{
    showDebug(__FUNCTION__, accessible);
    if (!accessible->isValid())
        return E_FAIL;

    AccessibleElement elem(varID.lVal, accessible);
    const bool res = elem.iface ? elem.iface->doAction(DefaultAction, elem.entry, QVariantList()) : false;
    return res ? S_OK : S_FALSE;
}
开发者ID:12307，项目名称:VLC-for-VS2010，代码行数:13，代码来源:qaccessible_win.cpp

示例9: accDoDefaultAction

/*
  Properties and methods
*/
HRESULT STDMETHODCALLTYPE QWindowsAccessible::accDoDefaultAction(VARIANT varID)
{
#ifdef DEBUG_SHOW_ATCLIENT_COMMANDS
    showDebug(__FUNCTION__, accessible);
#endif //DEBUG_SHOW_ATCLIENT_COMMANDS
    if (!accessible->isValid())
        return E_FAIL;

    return accessible->doAction(DefaultAction, varID.lVal, QVariantList()) ? S_OK : S_FALSE;
}
开发者ID:GodFox，项目名称:qtopia-ezx，代码行数:13，代码来源:qaccessible_win.cpp

示例10: get_accState

HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accState(VARIANT varID, VARIANT *pvarState)
{
    showDebug(__FUNCTION__, accessible);
    if (!accessible->isValid())
        return E_FAIL;

    (*pvarState).vt = VT_I4;
    AccessibleElement elem(varID.lVal, accessible);
    (*pvarState).lVal = elem.iface ? elem.iface->state(elem.entry) : State(Normal);
    return S_OK;
}
开发者ID:12307，项目名称:VLC-for-VS2010，代码行数:11，代码来源:qaccessible_win.cpp

示例11: get_accChildCount

HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accChildCount(long* pcountChildren)
{
#ifdef DEBUG_SHOW_ATCLIENT_COMMANDS
    showDebug(__FUNCTION__, accessible);
#endif //DEBUG_SHOW_ATCLIENT_COMMANDS
    if (!accessible->isValid())
        return E_FAIL;

    *pcountChildren = accessible->childCount();
    return S_OK;
}
开发者ID:GodFox，项目名称:qtopia-ezx，代码行数:11，代码来源:qaccessible_win.cpp

示例12: get_accState

HRESULT STDMETHODCALLTYPE QWindowsAccessible::get_accState(VARIANT varID, VARIANT *pvarState)
{
#ifdef DEBUG_SHOW_ATCLIENT_COMMANDS
    showDebug(__FUNCTION__, accessible);
#endif //DEBUG_SHOW_ATCLIENT_COMMANDS
    if (!accessible->isValid())
        return E_FAIL;

    (*pvarState).vt = VT_I4;
    (*pvarState).lVal = accessible->state(varID.lVal);
    return S_OK;
}
开发者ID:GodFox，项目名称:qtopia-ezx，代码行数:12，代码来源:qaccessible_win.cpp

示例13: populateNode

    static bool populateNode(JNIEnv *env, jobject /*thiz*/, jint objectId, jobject node)
    {
        QAccessibleInterface *iface = interfaceFromId(objectId);
        if (!iface || !iface->isValid()) {
            __android_log_print(ANDROID_LOG_WARN, m_qtTag, "Accessibility: populateNode for Invalid ID");
            return false;
        }
        QAccessible::State state = iface->state();
        const QStringList actions = QAccessibleBridgeUtils::effectiveActionNames(iface);
        const bool hasClickableAction = actions.contains(QAccessibleActionInterface::pressAction())
                                        || actions.contains(QAccessibleActionInterface::toggleAction());
        const bool hasIncreaseAction = actions.contains(QAccessibleActionInterface::increaseAction());
        const bool hasDecreaseAction = actions.contains(QAccessibleActionInterface::decreaseAction());

        // try to fill in the text property, this is what the screen reader reads
        jstring jdesc = descriptionForAccessibleObject_helper(env, iface);

        if (QAccessibleTextInterface *textIface = iface->textInterface()) {
            if (m_setTextSelectionMethodID && textIface->selectionCount() > 0) {
                int startSelection;
                int endSelection;
                textIface->selection(0, &startSelection, &endSelection);
                env->CallVoidMethod(node, m_setTextSelectionMethodID, startSelection, endSelection);
            }
        }

        env->CallVoidMethod(node, m_setEnabledMethodID, !state.disabled);
        env->CallVoidMethod(node, m_setCheckableMethodID, (bool)state.checkable);
        env->CallVoidMethod(node, m_setCheckedMethodID, (bool)state.checked);
        env->CallVoidMethod(node, m_setFocusableMethodID, (bool)state.focusable);
        env->CallVoidMethod(node, m_setFocusedMethodID, (bool)state.focused);
        env->CallVoidMethod(node, m_setVisibleToUserMethodID, !state.invisible);
        env->CallVoidMethod(node, m_setScrollableMethodID, hasIncreaseAction || hasDecreaseAction);
        env->CallVoidMethod(node, m_setClickableMethodID, hasClickableAction);

        // Add ACTION_CLICK
        if (hasClickableAction)
            env->CallVoidMethod(node, m_addActionMethodID, (int)16);    // ACTION_CLICK defined in AccessibilityNodeInfo

        // Add ACTION_SCROLL_FORWARD
        if (hasIncreaseAction)
            env->CallVoidMethod(node, m_addActionMethodID, (int)4096);    // ACTION_SCROLL_FORWARD defined in AccessibilityNodeInfo

        // Add ACTION_SCROLL_BACKWARD
        if (hasDecreaseAction)
            env->CallVoidMethod(node, m_addActionMethodID, (int)8192);    // ACTION_SCROLL_BACKWARD defined in AccessibilityNodeInfo


        //CALL_METHOD(node, "setText", "(Ljava/lang/CharSequence;)V", jdesc)
        env->CallVoidMethod(node, m_setContentDescriptionMethodID, jdesc);

        return true;
    }
开发者ID:Drakey83，项目名称:steamlink-sdk，代码行数:53，代码来源:androidjniaccessibility.cpp

示例14: GetWindow

HRESULT STDMETHODCALLTYPE QWindowsAccessible::GetWindow(HWND *phwnd)
{
    *phwnd = 0;
    if (!accessible->isValid())
        return E_UNEXPECTED;

    QObject *o = accessible->object();
    if (!o || !o->isWidgetType())
        return E_FAIL;

    *phwnd = static_cast<QWidget*>(o)->winId();
    return S_OK;
}
开发者ID:GodFox，项目名称:qtopia-ezx，代码行数:13，代码来源:qaccessible_win.cpp

示例15: while

QWindow *QWindowsAccessibility::windowHelper(const QAccessibleInterface *iface)
{
    QWindow *window = iface->window();
    if (!window) {
        QAccessibleInterface *acc = iface->parent();
        while (acc && acc->isValid() && !window) {
            window = acc->window();
            QAccessibleInterface *par = acc->parent();
            acc = par;
        }
    }
    return window;
}
开发者ID:OniLink，项目名称:Qt5-Rehost，代码行数:13，代码来源:qwindowsaccessibility.cpp


注：本文中的QAccessibleInterface::isValid方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。