C++ MythUIText::SetText方法代码示例

bool ScreenSetup::Create()
{
    bool foundtheme = false;

    // Load the theme for this screen
    foundtheme = LoadWindowFromXML("weather-ui.xml", "screen-setup", this);

    if (!foundtheme)
        return false;

    m_helpText = dynamic_cast<MythUIText *> (GetChild("helptxt"));

    m_activeList = dynamic_cast<MythUIButtonList *> (GetChild("activelist"));
    m_inactiveList = dynamic_cast<MythUIButtonList *> (GetChild("inactivelist"));

    m_finishButton = dynamic_cast<MythUIButton *> (GetChild("finishbutton"));

    MythUIText *activeheader = dynamic_cast<MythUIText *> (GetChild("activehdr"));
    if (activeheader)
        activeheader->SetText(tr("Active Screens"));

    MythUIText *inactiveheader = dynamic_cast<MythUIText *> (GetChild("inactivehdr"));
    if (inactiveheader)
        inactiveheader->SetText(tr("Inactive Screens"));

    if (!m_activeList || !m_inactiveList || !m_finishButton || !m_helpText)
    {
        LOG(VB_GENERAL, LOG_ERR, "Theme is missing required elements.");
        return false;
    }

    BuildFocusList();

    connect(m_activeList, SIGNAL(itemSelected(MythUIButtonListItem *)),
            this, SLOT(updateHelpText()));
    connect(m_activeList, SIGNAL(itemClicked(MythUIButtonListItem *)),
            this, SLOT(doListSelect(MythUIButtonListItem *)));
    connect(m_inactiveList, SIGNAL(itemSelected(MythUIButtonListItem *)),
            this, SLOT(updateHelpText()));
    connect(m_inactiveList, SIGNAL(itemClicked(MythUIButtonListItem *)),
            this, SLOT(doListSelect(MythUIButtonListItem *)));

    SetFocusWidget(m_inactiveList);

    m_finishButton->SetText(tr("Finish"));
    connect(m_finishButton, SIGNAL(Clicked()), this, SLOT(saveData()));

    loadData();

    return true;
}

bool PlotDialog::Create()
{
    if (!LoadWindowFromXML("video-ui.xml", "descriptionpopup", this))
        return false;

    MythUIText   *plotText = nullptr;
    MythUIButton *okButton = nullptr;

    bool err = false;
    UIUtilE::Assign(this, plotText, "description", &err);

    if (err)
    {
        LOG(VB_GENERAL, LOG_ERR, "Cannot load screen 'descriptionpopup'");
        return false;
    }

    UIUtilW::Assign(this, okButton, "ok");

    plotText->SetText(m_metadata->GetPlot());

    if (okButton)
        connect(okButton, SIGNAL(Clicked()), SLOT(Close()));

    BuildFocusList();

    return true;
}

void AirPlayPictureScreen::Init(void)
{
    if (m_airplayImage)
    {
        if (!m_imageFilename.isEmpty())
        {
            m_airplayImage->SetFilename(m_imageFilename); // Absolute path, http or SG url
            m_airplayImage->Load(); // By default the image is loaded in a background thread, use LoadNow() to load in foreground
        }
        else
        {
            // Will default to displaying whatever placeholder image is defined
            // in the xml by the themer, means we can show _something_ rather than
            // a big empty hole. Generally you always want to call Reset() in
            // these circumstances
            m_airplayImage->Reset();
        }
    }

    if (m_airplayText)
    {
        if (!m_imageDescription.isEmpty())
        {
            m_airplayText->SetText(m_imageDescription);
        }
        else
        {
            // Same as above, calling Reset() allows for a sane, themer defined
            //default to be displayed
            m_airplayText->Reset();
        }
    }
}

/** \fn RawSettingsEditor::Create(void)
 *  \brief Creates the UI screen.
 */
bool RawSettingsEditor::Create(void)
{
    if (!LoadWindowFromXML("settings-ui.xml", "rawsettingseditor", this))
        return false;

    m_settingsList = dynamic_cast<MythUIButtonList *> (GetChild("settings"));

    m_saveButton = dynamic_cast<MythUIButton *> (GetChild("save"));
    m_cancelButton = dynamic_cast<MythUIButton *> (GetChild("cancel"));
    m_textLabel = dynamic_cast<MythUIText *> (GetChild("label-text"));

    if (!m_settingsList || !m_textLabel || !m_saveButton || !m_cancelButton)
    {
        LOG(VB_GENERAL, LOG_EMERG,
                 "Theme is missing critical theme elements.");
        return false;
    }

    BuildFocusList();

    MythUIText *text = dynamic_cast<MythUIText *> (GetChild("heading"));
    if (text)
        text->SetText(m_title);

    MythUIShape *shape = nullptr;

    for (int i = -8; i <= 8; i++)
    {
        text = dynamic_cast<MythUIText *>
                (GetChild(QString("value%1%2").arg(i >= 0? "+" : "").arg(i)));
        if (text)
            m_prevNextTexts[i] = text;

        shape = dynamic_cast<MythUIShape *>
                (GetChild(QString("shape%1%2").arg(i >= 0? "+" : "").arg(i)));
        if (shape)
            m_prevNextShapes[i] = shape;
    }

    m_settingValue = dynamic_cast<MythUITextEdit *> (GetChild("settingvalue"));

    connect(m_settingsList, SIGNAL(itemSelected(MythUIButtonListItem*)),
            SLOT(selectionChanged(MythUIButtonListItem*)));
    connect(m_settingValue, SIGNAL(LosingFocus()), SLOT(valueChanged()));

    connect(m_saveButton, SIGNAL(Clicked()), this, SLOT(Save()));
    connect(m_cancelButton, SIGNAL(Clicked()), this, SLOT(Close()));

    LoadInBackground();

    return true;
}

bool MythScreenType::SetFocusWidget(MythUIType *widget)
{ 
    if (!widget || !widget->IsVisible())
    {
        QMap<int, MythUIType *>::iterator it = m_FocusWidgetList.begin();
        MythUIType *current;

        while (it != m_FocusWidgetList.end())
        {
            current = *it;

            if (current->CanTakeFocus() && current->IsVisible())
            {
                widget = current;
                break;
            }
            ++it;
        }
    }

    if (!widget)
        return false;

    if (m_CurrentFocusWidget == widget)
        return true;
    
    MythUIText *helpText = dynamic_cast<MythUIText *>(GetChild("helptext"));
    if (helpText)
        helpText->Reset();

    if (m_CurrentFocusWidget)
        m_CurrentFocusWidget->LoseFocus();
    m_CurrentFocusWidget = widget;
    m_CurrentFocusWidget->TakeFocus();

    if (helpText && !widget->GetHelpText().isEmpty())
        helpText->SetText(widget->GetHelpText());

    return true;
}

void IdleScreen::UpdateStatus(void)
{
    QString state = "idle";

    if (CheckConnectionToServer())
    {
        if (m_secondsToShutdown >= 0)
            state = "shuttingdown";
        else if (RemoteGetRecordingStatus())
            state = "recording";
    }
    else
    {
        state = "offline";
    }

    m_statusState->DisplayState(state);

    MythUIType* shuttingdown = m_statusState->GetState("shuttingdown");

    if (shuttingdown)
    {
        MythUIText *statusText = dynamic_cast<MythUIText *>(shuttingdown->GetChild("status"));

        if (statusText)
        {
            if (m_secondsToShutdown >= 0)
            {
                QString status = tr("Backend will shutdown in %n "
                                    "second(s).", "", m_secondsToShutdown);

                statusText->SetText(status);
            }
            else
                statusText->Reset();
        }
    }
}

bool MythConfirmationDialog::Create(void)
{
    if (!CopyWindowFromBase("MythConfirmationDialog", this))
        return false;

    MythUIText *messageText = NULL;
    MythUIButton *okButton = NULL;
    MythUIButton *cancelButton = NULL;

    bool err = false;
    UIUtilE::Assign(this, messageText, "message", &err);
    UIUtilE::Assign(this, okButton, "ok", &err);
    UIUtilE::Assign(this, cancelButton, "cancel", &err);

    if (err)
    {
        VERBOSE(VB_IMPORTANT, "Cannot load screen 'MythConfirmationDialog'");
        return false;
    }

    if (m_showCancel)
    {
        connect(cancelButton, SIGNAL(Clicked()), SLOT(Cancel()));
    }
    else
        cancelButton->SetVisible(false);

    connect(okButton, SIGNAL(Clicked()), SLOT(Confirm()));

    messageText->SetText(m_message);

    BuildFocusList();

    SetFocusWidget(okButton);

    return true;
}

void ViewScheduled::FillList()
{
    m_schedulesList->Reset();

    MythUIText *norecordingText = dynamic_cast<MythUIText*>
                                                (GetChild("norecordings_info"));

    if (norecordingText)
        norecordingText->SetVisible(m_recList.empty());

    if (m_recList.empty())
        return;

    ProgramList plist;

    if (!m_recgroupList.contains(m_currentGroup))
        m_currentGroup = m_defaultGroup;

    plist = m_recgroupList[m_currentGroup];

    ProgramList::iterator pit = plist.begin();
    while (pit != plist.end())
    {
        ProgramInfo *pginfo = *pit;
        if (!pginfo)
        {
            ++pit;
            continue;
        }

        QString state;

        const RecStatusType recstatus = pginfo->GetRecordingStatus();
        if (recstatus == rsRecording)
            state = "running";
        else if (recstatus == rsConflict  ||
                 recstatus == rsOffLine   ||
                 recstatus == rsTunerBusy ||
                 recstatus == rsFailed    ||
                 recstatus == rsAborted   ||
                 recstatus == rsMissed)
            state = "error";
        else if (recstatus == rsWillRecord)
        {
            if ((m_curcard == 0 && m_curinput == 0) ||
                pginfo->GetCardID() == m_curcard ||
                pginfo->GetInputID() == m_curinput)
            {
                if (pginfo->GetRecordingPriority2() < 0)
                    state = "warning";
                else
                    state = "normal";
            }
        }
        else if (recstatus == rsRepeat ||
                 recstatus == rsOtherShowing ||
                 recstatus == rsNeverRecord ||
                 recstatus == rsDontRecord ||
                 (recstatus != rsDontRecord &&
                  recstatus <= rsEarlierShowing))
            state = "disabled";
        else
            state = "warning";

        MythUIButtonListItem *item =
                                new MythUIButtonListItem(m_schedulesList,"",
                                                    qVariantFromValue(pginfo));

        InfoMap infoMap;
        pginfo->ToMap(infoMap);
        item->SetTextFromMap(infoMap, state);

        QString rating = QString::number(pginfo->GetStars(10));
        item->DisplayState(rating, "ratingstate");
        item->DisplayState(state, "status");

        ++pit;
    }

    MythUIText *statusText = dynamic_cast<MythUIText*>(GetChild("status"));
    if (statusText)
    {
        if (m_conflictBool)
        {
            // Find first conflict and store in m_conflictDate field
            ProgramList::const_iterator it = plist.begin();
            for (; it != plist.end(); ++it)
            {
                ProgramInfo &p = **it;
                if (p.GetRecordingStatus() == rsConflict)
                {
                    m_conflictDate = p.GetRecordingStartTime().date();
                    break;
                }
            }

            // figure out caption based on m_conflictDate
            QString cstring = tr("Time Conflict");
            QDate now = QDate::currentDate();
            int daysToConflict = now.daysTo(m_conflictDate);
//.........这里部分代码省略.........

void ViewScheduled::FillList()
{
    m_schedulesList->Reset();

    MythUIText *norecordingText = dynamic_cast<MythUIText*>
                                                (GetChild("norecordings_info"));

    if (norecordingText)
        norecordingText->SetVisible(m_recList.empty());

    if (m_recList.empty())
        return;

    ProgramList plist;

    if (!m_recgroupList.contains(m_currentGroup))
        m_currentGroup = m_defaultGroup;

    plist = m_recgroupList[m_currentGroup];

    ProgramList::iterator pit = plist.begin();
    while (pit != plist.end())
    {
        ProgramInfo *pginfo = *pit;
        if (!pginfo)
        {
            ++pit;
            continue;
        }

        QString state;

        const RecStatus::Type recstatus = pginfo->GetRecordingStatus();
        if (recstatus == RecStatus::Recording      ||
            recstatus == RecStatus::Tuning)
            state = "running";
        else if (recstatus == RecStatus::Conflict  ||
                 recstatus == RecStatus::Offline   ||
                 recstatus == RecStatus::TunerBusy ||
                 recstatus == RecStatus::Failed    ||
                 recstatus == RecStatus::Failing   ||
                 recstatus == RecStatus::Aborted   ||
                 recstatus == RecStatus::Missed)
            state = "error";
        else if (recstatus == RecStatus::WillRecord ||
                 recstatus == RecStatus::Pending)
        {
            if (m_curinput == 0 || pginfo->GetInputID() == m_curinput)
            {
                if (pginfo->GetRecordingPriority2() < 0)
                    state = "warning";
                else
                    state = "normal";
            }
        }
        else if (recstatus == RecStatus::Repeat ||
                 recstatus == RecStatus::NeverRecord ||
                 recstatus == RecStatus::DontRecord ||
                 (recstatus != RecStatus::DontRecord &&
                  recstatus <= RecStatus::EarlierShowing))
            state = "disabled";
        else
            state = "warning";

        MythUIButtonListItem *item =
                                new MythUIButtonListItem(m_schedulesList,"",
                                                    qVariantFromValue(pginfo));

        InfoMap infoMap;
        pginfo->ToMap(infoMap);
        item->SetTextFromMap(infoMap, state);

        QString rating = QString::number(pginfo->GetStars(10));
        item->DisplayState(rating, "ratingstate");
        item->DisplayState(state, "status");

        ++pit;
    }

    MythUIText *statusText = dynamic_cast<MythUIText*>(GetChild("status"));
    if (statusText)
    {
        if (m_conflictBool)
        {
            // Find first conflict and store in m_conflictDate field
            ProgramList::const_iterator it = plist.begin();
            for (; it != plist.end(); ++it)
            {
                ProgramInfo &p = **it;
                if (p.GetRecordingStatus() == RecStatus::Conflict)
                {
                    m_conflictDate = p.GetRecordingStartTime()
                        .toLocalTime().date();
                    break;
                }
            }

            // TODO: This can be templated instead of hardcoding
            //       Conflict/No Conflict
            QString cstring = tr("Conflict %1")
//.........这里部分代码省略.........

void OSD::SetText(const QString &window, const InfoMap &map,
                  OSDTimeout timeout)
{
    MythScreenType *win = GetWindow(window);
    if (!win)
        return;

    if (map.contains("numstars"))
    {
        MythUIStateType *state = dynamic_cast<MythUIStateType *> (win->GetChild("ratingstate"));
        if (state)
            state->DisplayState(map["numstars"]);
    }
    if (map.contains("tvstate"))
    {
        MythUIStateType *state = dynamic_cast<MythUIStateType *> (win->GetChild("tvstate"));
        if (state)
            state->DisplayState(map["tvstate"]);
    }
    if (map.contains("videocodec"))
    {
        MythUIStateType *state = dynamic_cast<MythUIStateType *> (win->GetChild("videocodec"));
        if (state)
            state->DisplayState(map["videocodec"]);
    }
    if (map.contains("videodescrip"))
    {
        MythUIStateType *state = dynamic_cast<MythUIStateType *> (win->GetChild("videodescrip"));
        if (state)
            state->DisplayState(map["videodescrip"]);
    }
    if (map.contains("audiocodec"))
    {
        MythUIStateType *state = dynamic_cast<MythUIStateType *> (win->GetChild("audiocodec"));
        if (state)
            state->DisplayState(map["audiocodec"]);
    }
    if (map.contains("audiochannels"))
    {
        MythUIStateType *state = dynamic_cast<MythUIStateType *> (win->GetChild("audiochannels"));
        if (state)
            state->DisplayState(map["audiochannels"]);
    }
    if (map.contains("chanid"))
    {
        MythUIImage *icon = dynamic_cast<MythUIImage *> (win->GetChild("iconpath"));
        if (icon)
        {
            icon->Reset();

            uint chanid = map["chanid"].toUInt();
            QString iconpath;
            if (map.contains("iconpath"))
                iconpath = map["iconpath"];
            else
                iconpath = ChannelUtil::GetIcon(chanid);

            if (!iconpath.isEmpty())
            {
                QString iconurl =
                                gCoreContext->GetMasterHostPrefix("ChannelIcons",
                                                                  iconpath);

                icon->SetFilename(iconurl);
                icon->Load(false);
            }
        }
    }

    if (map.contains("channelgroup"))
    {
        MythUIText *textArea = dynamic_cast<MythUIText *> (win->GetChild("channelgroup"));
        if (textArea)
        {
            textArea->SetText(map["channelgroup"]);
        }
    }

    if (map.contains("inetref"))
    {
        MythUIImage *cover = dynamic_cast<MythUIImage *> (win->GetChild("coverart"));
        if (cover && map.contains("coverartpath"))
        {
            QString coverpath = map["coverartpath"];
            cover->SetFilename(coverpath);
            cover->Load(false);
        }
        MythUIImage *fanart = dynamic_cast<MythUIImage *> (win->GetChild("fanart"));
        if (fanart && map.contains("fanartpath"))
        {
            QString fanartpath = map["fanartpath"];
            fanart->SetFilename(fanartpath);
            fanart->Load(false);
        }
        MythUIImage *banner = dynamic_cast<MythUIImage *> (win->GetChild("banner"));
        if (banner && map.contains("bannerpath"))
        {
            QString bannerpath = map["bannerpath"];
            banner->SetFilename(bannerpath);
            banner->Load(false);
//.........这里部分代码省略.........