Java MouseWheelEvent.getUnitsToScroll方法代碼示例

本文整理匯總了Java中java.awt.event.MouseWheelEvent.getUnitsToScroll方法的典型用法代碼示例。如果您正苦於以下問題：Java MouseWheelEvent.getUnitsToScroll方法的具體用法？Java MouseWheelEvent.getUnitsToScroll怎麽用？Java MouseWheelEvent.getUnitsToScroll使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類java.awt.event.MouseWheelEvent的用法示例。

在下文中一共展示了MouseWheelEvent.getUnitsToScroll方法的7個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: mouseWheelMoved

import java.awt.event.MouseWheelEvent; //導入方法依賴的package包/類
public void mouseWheelMoved(MouseWheelEvent e) {
    // Mouse wheel zooming takes precedence over scrolling
    if (isMouseZoomingEnabled() &&
        e.getSource() == InteractiveCanvasComponent.this) return;

    // Change the ScrollBar value
    if (e.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL) {
        int unitsToScroll = e.getUnitsToScroll();
        int direction = unitsToScroll < 0 ? -1 : 1;
        if (unitsToScroll != 0) {
            int increment = scrollBar.getUnitIncrement(direction);
            int oldValue = scrollBar.getValue();
            int newValue = oldValue + increment * unitsToScroll;
            newValue = Math.max(Math.min(newValue, scrollBar.getMaximum() -
                    scrollBar.getVisibleAmount()), scrollBar.getMinimum());
            if (oldValue != newValue) scrollBar.setValue(newValue);
        }
    }
}

開發者ID:apache，項目名稱:incubator-netbeans，代碼行數:20，代碼來源:InteractiveCanvasComponent.java

示例2: getIncrementFromAdjustable

import java.awt.event.MouseWheelEvent; //導入方法依賴的package包/類
public static int getIncrementFromAdjustable(Adjustable adj,
                                             MouseWheelEvent e) {
    if (log.isLoggable(PlatformLogger.Level.FINE)) {
        if (adj == null) {
            log.fine("Assertion (adj != null) failed");
        }
    }

    int increment = 0;

    if (e.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL) {
        increment = e.getUnitsToScroll() * adj.getUnitIncrement();
    }
    else if (e.getScrollType() == MouseWheelEvent.WHEEL_BLOCK_SCROLL) {
        increment = adj.getBlockIncrement() * e.getWheelRotation();
    }
    return increment;
}

開發者ID:SunburstApps，項目名稱:OpenJSharp，代碼行數:19，代碼來源:ScrollPaneWheelScroller.java

示例3: scroll

import java.awt.event.MouseWheelEvent; //導入方法依賴的package包/類
private static void scroll(JScrollBar scrollBar, MouseWheelEvent e) {
    if (e.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL) {
        int unitsToScroll = e.getUnitsToScroll();
        int direction = unitsToScroll < 0 ? -1 : 1;
        if (unitsToScroll != 0) {
            int increment = scrollBar.getUnitIncrement(direction);
            int oldValue = scrollBar.getValue();
            int newValue = oldValue + increment * unitsToScroll;
            newValue = Math.max(Math.min(newValue, scrollBar.getMaximum() -
                    scrollBar.getVisibleAmount()), scrollBar.getMinimum());
            if (oldValue != newValue) scrollBar.setValue(newValue);
        }
    }
}

開發者ID:apache，項目名稱:incubator-netbeans，代碼行數:15，代碼來源:ChartPanel.java

示例4: scroll

import java.awt.event.MouseWheelEvent; //導入方法依賴的package包/類
private static void scroll(JScrollBar scroller, MouseWheelEvent event) {
    if (event.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL) {
        int direction = event.getUnitsToScroll() < 0 ? -1 : 1;
        int increment = scroller.getUnitIncrement(direction);
        int amount = event.getScrollAmount();
        int oldValue = scroller.getValue();
        int newValue = oldValue + increment * amount * direction;
        if (oldValue != newValue) scroller.setValue(newValue);
        event.consume();
    }
}

開發者ID:apache，項目名稱:incubator-netbeans，代碼行數:12，代碼來源:ProfilerTableContainer.java

示例5: scroll

import java.awt.event.MouseWheelEvent; //導入方法依賴的package包/類
private static void scroll(final JScrollBar scroller, final MouseWheelEvent event) {
    if (event.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL) {
        int unitsToScroll = event.getUnitsToScroll();
        int direction = unitsToScroll < 0 ? -1 : 1;
        if (unitsToScroll != 0) {
            int increment = scroller.getUnitIncrement(direction);
            int oldValue = scroller.getValue();
            int newValue = oldValue + increment * unitsToScroll;
            newValue = Math.max(Math.min(newValue, scroller.getMaximum() -
                       scroller.getVisibleAmount()), scroller.getMinimum());
            if (oldValue != newValue) scroller.setValue(newValue);
        }
        event.consume();
    }
}

開發者ID:apache，項目名稱:incubator-netbeans，代碼行數:16，代碼來源:JTreeTablePanel.java

示例6: mouseWheelMoved

import java.awt.event.MouseWheelEvent; //導入方法依賴的package包/類
@Override
public void mouseWheelMoved(MouseWheelEvent e) {
    JScrollBar scrollBar = mainScrollPane.getVerticalScrollBar();
    if (e.getScrollType() == MouseWheelEvent.WHEEL_UNIT_SCROLL) {
        int totalScrollAmount = e.getUnitsToScroll() * scrollBar.getUnitIncrement();
        scrollBar.setValue(scrollBar.getValue() + totalScrollAmount);
    }
}

開發者ID:apache，項目名稱:incubator-netbeans，代碼行數:9，代碼來源:DebuggingViewComponent.java

示例7: doWheelScroll

import java.awt.event.MouseWheelEvent; //導入方法依賴的package包/類
static boolean doWheelScroll(XVerticalScrollbar vsb,
                                 XHorizontalScrollbar hsb,
                                 MouseWheelEvent e) {
    XScrollbar scroll = null;
    int wheelRotation;

    // Determine which, if any, sb to scroll
    if (vsb != null) {
        scroll = vsb;
    }
    else if (hsb != null) {
        scroll = hsb;
    }
    else { // Neither scrollbar is showing
        return false;
    }

    wheelRotation = e.getWheelRotation();

    // Check if scroll is necessary
    if ((wheelRotation < 0 && scroll.getValue() > scroll.getMinimum()) ||
        (wheelRotation > 0 && scroll.getValue() < scroll.getMaximum()) ||
        wheelRotation != 0) {

        int type = e.getScrollType();
        int incr;
        if (type == MouseWheelEvent.WHEEL_BLOCK_SCROLL) {
            incr = wheelRotation * scroll.getBlockIncrement();
        }
        else { // type is WHEEL_UNIT_SCROLL
            incr = e.getUnitsToScroll() * scroll.getUnitIncrement();
        }
        scroll.setValue(scroll.getValue() + incr);
        return true;
    }
    return false;
}

開發者ID:SunburstApps，項目名稱:OpenJSharp，代碼行數:38，代碼來源:ListHelper.java

注：本文中的java.awt.event.MouseWheelEvent.getUnitsToScroll方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。