sample_demo4.cpp

cegui界面库

    rb->setPosition(UVector2(cegui_reldim(0.65f), cegui_reldim( 0.3f)));
    rb->setSize(UVector2(cegui_reldim(0.35f), cegui_reldim( 0.05f)));
    rb->setGroupID(1);
    rb->setText("Left Aligned");
    // subscribe a handler to listen for when the radio button select state changes
    rb->subscribeEvent(RadioButton::EventSelectStateChanged, &formatChangedHandler);

    rb = static_cast<RadioButton*>(winMgr.createWindow("TaharezLook/RadioButton", "TextWindow/RB2"));
    textwnd->addChildWindow(rb);
    rb->setPosition(UVector2(cegui_reldim(0.65f), cegui_reldim( 0.35f)));
    rb->setSize(UVector2(cegui_reldim(0.35f), cegui_reldim( 0.05f)));
    rb->setGroupID(1);
    rb->setText("Right Aligned");
    // subscribe a handler to listen for when the radio button select state changes
    rb->subscribeEvent(RadioButton::EventSelectStateChanged, &formatChangedHandler);

    rb = static_cast<RadioButton*>(winMgr.createWindow("TaharezLook/RadioButton", "TextWindow/RB3"));
    textwnd->addChildWindow(rb);
    rb->setPosition(UVector2(cegui_reldim(0.65f), cegui_reldim( 0.4f)));
    rb->setSize(UVector2(cegui_reldim(0.35f), cegui_reldim( 0.05f)));
    rb->setGroupID(1);
    rb->setText("Centred");
    // subscribe a handler to listen for when the radio button select state changes
    rb->subscribeEvent(RadioButton::EventSelectStateChanged, &formatChangedHandler);

    // vertical formatting radio group
    rb = static_cast<RadioButton*>(winMgr.createWindow("TaharezLook/RadioButton", "TextWindow/RB4"));
    textwnd->addChildWindow(rb);
    rb->setPosition(UVector2(cegui_reldim(0.65f), cegui_reldim( 0.6f)));
    rb->setSize(UVector2(cegui_reldim(0.35f), cegui_reldim( 0.05f)));
    rb->setGroupID(2);
    rb->setText("Top Aligned");
    // subscribe a handler to listen for when the radio button select state changes
    rb->subscribeEvent(RadioButton::EventSelectStateChanged, &formatChangedHandler);

    rb = static_cast<RadioButton*>(winMgr.createWindow("TaharezLook/RadioButton", "TextWindow/RB5"));
    textwnd->addChildWindow(rb);
    rb->setPosition(UVector2(cegui_reldim(0.65f), cegui_reldim( 0.65f)));
    rb->setSize(UVector2(cegui_reldim(0.35f), cegui_reldim( 0.05f)));
    rb->setGroupID(2);
    rb->setText("Bottom Aligned");
    // subscribe a handler to listen for when the radio button select state changes
    rb->subscribeEvent(RadioButton::EventSelectStateChanged, &formatChangedHandler);

    rb = static_cast<RadioButton*>(winMgr.createWindow("TaharezLook/RadioButton", "TextWindow/RB6"));
    textwnd->addChildWindow(rb);
    rb->setPosition(UVector2(cegui_reldim(0.65f), cegui_reldim( 0.7f)));
    rb->setSize(UVector2(cegui_reldim(0.35f), cegui_reldim( 0.05f)));
    rb->setGroupID(2);
    rb->setText("Centred");
    // subscribe a handler to listen for when the radio button select state changes
    rb->subscribeEvent(RadioButton::EventSelectStateChanged, &formatChangedHandler);

    // Edit box for text entry
    Editbox* eb = static_cast<Editbox*>(winMgr.createWindow("TaharezLook/Editbox", "TextWindow/Editbox1"));
    textwnd->addChildWindow(eb);
    eb->setPosition(UVector2(cegui_reldim(0.05f), cegui_reldim( 0.85f)));
    eb->setMaxSize(UVector2(cegui_reldim(1.0f), cegui_reldim( 0.04f)));
    eb->setSize(UVector2(cegui_reldim(0.90f), cegui_reldim( 0.08f)));
    // subscribe a handler to listen for when the text changes
    eb->subscribeEvent(Window::EventTextChanged, &textChangedHandler);

    //
    // Controls are set up.  Install initial settings
    //
    static_cast<Checkbox*>(winMgr.getWindow("TextWindow/CB1"))->setSelected(true);
    static_cast<RadioButton*>(winMgr.getWindow("TextWindow/RB1"))->setSelected(true);
    static_cast<RadioButton*>(winMgr.getWindow("TextWindow/RB4"))->setSelected(true);
    winMgr.getWindow("TextWindow/Editbox1")->setText("Come on then, edit me!");

    // success!
    return true;
}

/*************************************************************************
    Cleans up resources allocated in the initialiseSample call.
*************************************************************************/
void Demo4Sample::cleanupSample()
{
    // nothing to do here!
}

/*************************************************************************
    Free function to handle slider position changes
*************************************************************************/
bool sliderHandler(const CEGUI::EventArgs& e)
{
    using namespace CEGUI;

    // we know it's a slider.
    Slider* s = static_cast<Slider*>(static_cast<const WindowEventArgs&>(e).window);

    // get value from slider and set it as the current alpha
    float val = s->getCurrentValue();
    WindowManager::getSingleton().getWindow("root_wnd")->setAlpha(val);

    // indicate the event was handled here.
    return true;
}

/*************************************************************************
    Free function to handle change of format options
*************************************************************************/
bool formatChangedHandler(const CEGUI::EventArgs& e)
{
    using namespace CEGUI;

    // we will use the WindowManager to get access to the widgets
    WindowManager& winMgr = WindowManager::getSingleton();

    // get pointers to all the widgets we need to access
    const RadioButton* rb1 = static_cast<const RadioButton*>(winMgr.getWindow("TextWindow/RB1"));
    const RadioButton* rb2 = static_cast<const RadioButton*>(winMgr.getWindow("TextWindow/RB2"));
    const RadioButton* rb3 = static_cast<const RadioButton*>(winMgr.getWindow("TextWindow/RB3"));
    const RadioButton* rb4 = static_cast<const RadioButton*>(winMgr.getWindow("TextWindow/RB4"));
    const RadioButton* rb5 = static_cast<const RadioButton*>(winMgr.getWindow("TextWindow/RB5"));
    const RadioButton* rb6 = static_cast<const RadioButton*>(winMgr.getWindow("TextWindow/RB6"));
    const Checkbox*    cb1 = static_cast<const Checkbox*>(winMgr.getWindow("TextWindow/CB1"));
    // and also the static text for which we will set the formatting options
    Window*  st  = winMgr.getWindow("TextWindow/Static");

    // handle vertical formatting settings
    if (rb4->isSelected())
        st->setProperty("VertFormatting", "TopAligned");
    else if (rb5->isSelected())
        st->setProperty("VertFormatting", "BottomAligned");
    else if (rb6->isSelected())
        st->setProperty("VertFormatting", "VertCentred");

    // handle horizontal formatting settings
    bool wrap = cb1->isSelected();

    if (rb1->isSelected())
        st->setProperty("HorzFormatting", wrap ? "WordWrapLeftAligned" : "LeftAligned");
    else if (rb2->isSelected())
        st->setProperty("HorzFormatting", wrap ? "WordWrapRightAligned" : "RightAligned");
    else if (rb3->isSelected())
        st->setProperty("HorzFormatting", wrap ? "WordWrapCentred" : "HorzCentred");

    // event was handled
    return true;
}

/*************************************************************************
    Free function handler called when editbox text changes
*************************************************************************/
bool textChangedHandler(const CEGUI::EventArgs& e)
{
    using namespace CEGUI;

    //find the static box
    Window* st = WindowManager::getSingleton().getWindow("TextWindow/Static");

    // set text from the edit box...
    st->setText(static_cast<const WindowEventArgs&>(e).window->getText());

    return true;
}

/*************************************************************************
    Handler method that signals the application to quit
*************************************************************************/
bool Demo4Sample::handleQuit(const CEGUI::EventArgs& e)
{
    // signal quit
    d_sampleApp->setQuitting();

    // event was handled
    return true;
}

/*************************************************************************
    Handler method that ??
*************************************************************************/
bool Demo4Sample::horzMoveHandler(const CEGUI::EventArgs& e)
{
    using namespace CEGUI;

    return true;
}

/*************************************************************************
    Handler method that ??
*************************************************************************/
bool Demo4Sample::vertMoveHandler(const CEGUI::EventArgs& e)
{
    using namespace CEGUI;

    return true;
}

/*************************************************************************
    Handler method that ??
*************************************************************************/
bool Demo4Sample::vscrollHandler(const CEGUI::EventArgs& e)
{
    using namespace CEGUI;

    return true;
}