javax.swing.text.JTextComponent#scrollRectToVisible ( )源码实例Demo

下面列出了javax.swing.text.JTextComponent#scrollRectToVisible ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： codebuff 文件： STViz.java

protected void highlight(JTextComponent comp, int i, int j, boolean scroll) {
    Highlighter highlighter = comp.getHighlighter();
    highlighter.removeAllHighlights();
    try {
        i = toComponentPosition(comp, i);
        j = toComponentPosition(comp, j);
        highlighter.addHighlight(i, j+1, DefaultHighlighter.DefaultPainter);
        if ( scroll ) {
            if ( comp.getCaretPosition()< i || comp.getCaretPosition()>j ) {
                comp.moveCaretPosition(i);
                comp.scrollRectToVisible(comp.modelToView(i));
            }
        }
    }
    catch (BadLocationException ble) {
        errMgr.internalError(tmodel.root.event.scope.st, "bad highlight location", ble);
    }
}

源代码2 项目： codebuff 文件： STViz.java

protected void highlight(JTextComponent comp, int i, int j, boolean scroll) {
    Highlighter highlighter = comp.getHighlighter();
    highlighter.removeAllHighlights();
    try {
        i = toComponentPosition(comp, i);
        j = toComponentPosition(comp, j);
        highlighter.addHighlight(i, j+1, DefaultHighlighter.DefaultPainter);
        if ( scroll ) {
            if ( comp.getCaretPosition()< i || comp.getCaretPosition()>j ) {
                comp.moveCaretPosition(i);
                comp.scrollRectToVisible(comp.modelToView(i));
            }
        }
    }
    catch (BadLocationException ble) {
        errMgr.internalError(tmodel.root.event.scope.st, "bad highlight location", ble);
    }
}

源代码3 项目： codebuff 文件： STViz.java

protected void highlight(JTextComponent comp, int i, int j, boolean scroll) {
    Highlighter highlighter = comp.getHighlighter();
    highlighter.removeAllHighlights();
    try {
        i = toComponentPosition(comp, i);
        j = toComponentPosition(comp, j);
        highlighter.addHighlight(i, j+1, DefaultHighlighter.DefaultPainter);
        if ( scroll ) {
            if ( comp.getCaretPosition()< i || comp.getCaretPosition()>j ) {
                comp.moveCaretPosition(i);
                comp.scrollRectToVisible(comp.modelToView(i));
            }
        }
    }
    catch (BadLocationException ble) {
        errMgr.internalError(tmodel.root.event.scope.st, "bad highlight location", ble);
    }
}

源代码4 项目： codebuff 文件： STViz.java

protected void highlight(JTextComponent comp, int i, int j, boolean scroll) {
    Highlighter highlighter = comp.getHighlighter();
    highlighter.removeAllHighlights();
    try {
        i = toComponentPosition(comp, i);
        j = toComponentPosition(comp, j);
        highlighter.addHighlight(i, j+1, DefaultHighlighter.DefaultPainter);
        if ( scroll ) {
            if ( comp.getCaretPosition()< i || comp.getCaretPosition()>j ) {
                comp.moveCaretPosition(i);
                comp.scrollRectToVisible(comp.modelToView(i));
            }
        }
    }
    catch (BadLocationException ble) {
        errMgr.internalError(tmodel.root.event.scope.st, "bad highlight location", ble);
    }
}

源代码5 项目： codebuff 文件： STViz.java

protected void highlight(JTextComponent comp, int i, int j, boolean scroll) {
    Highlighter highlighter = comp.getHighlighter();
    highlighter.removeAllHighlights();
    try {
        i = toComponentPosition(comp, i);
        j = toComponentPosition(comp, j);
        highlighter.addHighlight(i, j+1, DefaultHighlighter.DefaultPainter);
        if ( scroll ) {
            if ( comp.getCaretPosition()< i || comp.getCaretPosition()>j ) {
                comp.moveCaretPosition(i);
                comp.scrollRectToVisible(comp.modelToView(i));
            }
        }
    }
    catch (BadLocationException ble) {
        errMgr.internalError(tmodel.root.event.scope.st, "bad highlight location", ble);
    }
}

源代码6 项目： codebuff 文件： STViz.java

protected void highlight(JTextComponent comp, int i, int j, boolean scroll) {
    Highlighter highlighter = comp.getHighlighter();
    highlighter.removeAllHighlights();
    try {
        i = toComponentPosition(comp, i);
        j = toComponentPosition(comp, j);
        highlighter.addHighlight(i, j+1, DefaultHighlighter.DefaultPainter);
        if ( scroll ) {
            if ( comp.getCaretPosition()< i || comp.getCaretPosition()>j ) {
                comp.moveCaretPosition(i);
                comp.scrollRectToVisible(comp.modelToView(i));
            }
        }
    }
    catch (BadLocationException ble) {
        errMgr.internalError(tmodel.root.event.scope.st, "bad highlight location", ble);
    }
}

源代码7 项目： codebuff 文件： STViz.java

protected void highlight(JTextComponent comp, int i, int j, boolean scroll) {
    Highlighter highlighter = comp.getHighlighter();
    highlighter.removeAllHighlights();
    try {
        i = toComponentPosition(comp, i);
        j = toComponentPosition(comp, j);
        highlighter.addHighlight(i, j+1, DefaultHighlighter.DefaultPainter);
        if ( scroll ) {
            if ( comp.getCaretPosition()< i || comp.getCaretPosition()>j ) {
                comp.moveCaretPosition(i);
                comp.scrollRectToVisible(comp.modelToView(i));
            }
        }
    }
    catch (BadLocationException ble) {
        errMgr.internalError(tmodel.root.event.scope.st, "bad highlight location", ble);
    }
}

源代码8 项目： codebuff 文件： STViz.java

protected void highlight(JTextComponent comp, int i, int j, boolean scroll) {
    Highlighter highlighter = comp.getHighlighter();
    highlighter.removeAllHighlights();
    try {
        i = toComponentPosition(comp, i);
        j = toComponentPosition(comp, j);
        highlighter.addHighlight(i, j+1, DefaultHighlighter.DefaultPainter);
        if ( scroll ) {
            if ( comp.getCaretPosition()< i || comp.getCaretPosition()>j ) {
                comp.moveCaretPosition(i);
                comp.scrollRectToVisible(comp.modelToView(i));
            }
        }
    }
    catch (BadLocationException ble) {
        errMgr.internalError(tmodel.root.event.scope.st, "bad highlight location", ble);
    }
}

源代码9 项目： codebuff 文件： STViz.java

protected void highlight(JTextComponent comp, int i, int j, boolean scroll) {
	Highlighter highlighter = comp.getHighlighter();
	highlighter.removeAllHighlights();

	try {
		i = toComponentPosition(comp, i);
		j = toComponentPosition(comp, j);
		highlighter.addHighlight(i, j+1, DefaultHighlighter.DefaultPainter);
		if (scroll) {
			if (comp.getCaretPosition() < i || comp.getCaretPosition() > j) {
				comp.moveCaretPosition(i);
				comp.scrollRectToVisible(comp.modelToView(i));
			}
		}
	}
	catch (BadLocationException ble) {
		errMgr.internalError(tmodel.root.event.scope.st, "bad highlight location", ble);
	}
}

源代码10 项目： codebuff 文件： STViz.java

protected void highlight(JTextComponent comp, int i, int j, boolean scroll) {
    Highlighter highlighter = comp.getHighlighter();
    highlighter.removeAllHighlights();
    try {
        i = toComponentPosition(comp, i);
        j = toComponentPosition(comp, j);
        highlighter.addHighlight(i, j+1, DefaultHighlighter.DefaultPainter);
        if ( scroll ) {
            if ( comp.getCaretPosition()< i || comp.getCaretPosition()>j ) {
                comp.moveCaretPosition(i);
                comp.scrollRectToVisible(comp.modelToView(i));
            }
        }
    }
    catch (BadLocationException ble) {
        errMgr.internalError(tmodel.root.event.scope.st, "bad highlight location", ble);
    }
}

源代码11 项目： codebuff 文件： STViz.java

protected void highlight(JTextComponent comp, int i, int j, boolean scroll) {
    Highlighter highlighter = comp.getHighlighter();
    highlighter.removeAllHighlights();
    try {
        i = toComponentPosition(comp, i);
        j = toComponentPosition(comp, j);
        highlighter.addHighlight(i, j+1, DefaultHighlighter.DefaultPainter);
        if ( scroll ) {
            if ( comp.getCaretPosition()< i || comp.getCaretPosition()>j ) {
                comp.moveCaretPosition(i);
                comp.scrollRectToVisible(comp.modelToView(i));
            }
        }
    }
    catch (BadLocationException ble) {
        errMgr.internalError(tmodel.root.event.scope.st, "bad highlight location", ble);
    }
}

源代码12 项目： codebuff 文件： STViz.java

protected void highlight(JTextComponent comp, int i, int j, boolean scroll) {
    Highlighter highlighter = comp.getHighlighter();
    highlighter.removeAllHighlights();
    try {
        i = toComponentPosition(comp, i);
        j = toComponentPosition(comp, j);
        highlighter.addHighlight(i, j+1, DefaultHighlighter.DefaultPainter);
        if ( scroll ) {
            if ( comp.getCaretPosition()< i || comp.getCaretPosition()>j ) {
                comp.moveCaretPosition(i);
                comp.scrollRectToVisible(comp.modelToView(i));
            }
        }
    }
    catch (BadLocationException ble) {
        errMgr.internalError(tmodel.root.event.scope.st, "bad highlight location", ble);
    }
}

源代码13 项目： pushfish-android 文件： Utility.java

/**
 * Scrolls the specified text component so the text between the starting and ending index are visible.
 */
public static void scrollToText(JTextComponent textComponent, int startingIndex, int endingIndex) {
    try {
        Rectangle startingRectangle = textComponent.modelToView(startingIndex);
        Rectangle endDingRectangle = textComponent.modelToView(endingIndex);

        Rectangle totalBounds = startingRectangle.union(endDingRectangle);

        textComponent.scrollRectToVisible(totalBounds);
        textComponent.repaint();
    } catch (BadLocationException e) {
        e.printStackTrace();
    }
}

源代码14 项目： Pushjet-Android 文件： Utility.java

/**
 * Scrolls the specified text component so the text between the starting and ending index are visible.
 */
public static void scrollToText(JTextComponent textComponent, int startingIndex, int endingIndex) {
    try {
        Rectangle startingRectangle = textComponent.modelToView(startingIndex);
        Rectangle endDingRectangle = textComponent.modelToView(endingIndex);

        Rectangle totalBounds = startingRectangle.union(endDingRectangle);

        textComponent.scrollRectToVisible(totalBounds);
        textComponent.repaint();
    } catch (BadLocationException e) {
        e.printStackTrace();
    }
}

源代码15 项目： netbeans 文件： EditorFindSupport.java

/**
 * Ensure that the given region will be visible in the view
 * with the appropriate find insets.
 */
private void ensureVisible(JTextComponent c, int startOffset, int endOffset, Insets extraInsets) {
    try {
        Rectangle startBounds = c.modelToView(startOffset);
        Rectangle endBounds = c.modelToView(endOffset);
        if (startBounds != null && endBounds != null) {
            startBounds.add(endBounds);
            if (extraInsets != null) {
                Rectangle visibleBounds = c.getVisibleRect();
                int extraTop = (extraInsets.top < 0)
                    ? -extraInsets.top * visibleBounds.height / 100 // percentage
                    : extraInsets.top * endBounds.height; // line count
                startBounds.y -= extraTop;
                startBounds.height += extraTop;
                startBounds.height += (extraInsets.bottom < 0)
                    ? -extraInsets.bottom * visibleBounds.height / 100 // percentage
                    : extraInsets.bottom * endBounds.height; // line count
                int extraLeft = (extraInsets.left < 0)
                    ? -extraInsets.left * visibleBounds.width / 100 // percentage
                    : extraInsets.left * endBounds.width; // char count
                startBounds.x -= extraLeft;
                startBounds.width += extraLeft;
                startBounds.width += (extraInsets.right < 0)
                    ? -extraInsets.right * visibleBounds.width / 100 // percentage
                    : extraInsets.right * endBounds.width; // char count
            }
            c.scrollRectToVisible(startBounds);
        }
    } catch (BadLocationException e) {
        // do not scroll
    }
}

源代码16 项目： Pushjet-Android 文件： Utility.java

/**
 * Scrolls the specified text component so the text between the starting and ending index are visible.
 */
public static void scrollToText(JTextComponent textComponent, int startingIndex, int endingIndex) {
    try {
        Rectangle startingRectangle = textComponent.modelToView(startingIndex);
        Rectangle endDingRectangle = textComponent.modelToView(endingIndex);

        Rectangle totalBounds = startingRectangle.union(endDingRectangle);

        textComponent.scrollRectToVisible(totalBounds);
        textComponent.repaint();
    } catch (BadLocationException e) {
        e.printStackTrace();
    }
}

源代码17 项目： java-swing-tips 文件： MainPanel.java

private static void scrollToCenter(JTextComponent tc, int pos) throws BadLocationException {
  Rectangle rect = tc.modelToView(pos);
  // Java 9: Rectangle rect = tc.modelToView2D(pos).getBounds();
  Container c = SwingUtilities.getAncestorOfClass(JViewport.class, tc);
  if (Objects.nonNull(rect) && c instanceof JViewport) {
    rect.x = Math.round(rect.x - c.getWidth() / 2f);
    rect.width = c.getWidth();
    rect.height = Math.round(c.getHeight() / 2f);
    tc.scrollRectToVisible(rect);
  }
}

源代码18 项目： jpexs-decompiler 文件： QuickFindDialog.java

public void showFor(final JTextComponent target) {
    oldCaretPosition = target.getCaretPosition();
    Container view = target.getParent();
    Dimension wd = getPreferredSize();
    //wd.width = target.getVisibleRect().width;
    Point loc = new Point(0, view.getHeight());
    setSize(wd);
    setLocationRelativeTo(view);
    SwingUtilities.convertPointToScreen(loc, view);
    setLocation(loc);
    jTxtFind.setFont(target.getFont());
    jTxtFind.getDocument().addDocumentListener(this);
    WindowAdapter closeListener = new WindowAdapter() {

        @Override
        public void windowDeactivated(WindowEvent e) {
            target.getDocument().removeDocumentListener(QuickFindDialog.this);
            Markers.removeMarkers(target, marker);
            if (escaped) {
                Rectangle aRect;
                try {
                    aRect = target.modelToView(oldCaretPosition);
                    target.setCaretPosition(oldCaretPosition);
                    target.scrollRectToVisible(aRect);
                } catch (BadLocationException ex) {
                }
            }
            dispose();
        }
    };
    addWindowListener(closeListener);
    this.target = new WeakReference<JTextComponent>(target);
    Pattern p = dsd.get().getPattern();
    if (p != null) {
        jTxtFind.setText(p.pattern());
    }
    jChkWrap.setSelected(dsd.get().isWrap());
    setVisible(true);
    jTxtFind.selectAll();
}

源代码19 项目： java-swing-tips 文件： MainPanel.java

private static void scrollToCenter(JTextComponent tc, int pos) throws BadLocationException {
  Rectangle rect = tc.modelToView(pos);
  // Java 9: Rectangle rect = tc.modelToView2D(pos).getBounds();
  Container c = SwingUtilities.getAncestorOfClass(JViewport.class, tc);
  if (Objects.nonNull(rect) && c instanceof JViewport) {
    rect.x = (int) (rect.x - c.getWidth() * .5);
    rect.width = c.getWidth();
    rect.height = (int) (c.getHeight() * .5);
    tc.scrollRectToVisible(rect);
  }
}

源代码20 项目： netbeans 文件： OverrideEditorActions.java

public void actionPerformed(ActionEvent evt, JTextComponent target) {
    if (target != null) {
        Caret caret = target.getCaret();
        BaseDocument doc = (BaseDocument)target.getDocument();
        try {
            int dot = caret.getDot();
            // #232675: if bounds are defined, use them rather than line start/end
            Object o = target.getClientProperty(PROP_NAVIGATE_BOUNDARIES);
            PositionRegion bounds = null;
            int lineStartPos = Utilities.getRowStart(target, dot);
            
            if (o instanceof PositionRegion) {
                bounds = (PositionRegion)o;
                int start = bounds.getStartOffset();
                int end = bounds.getEndOffset();
                int boundLineStart = Utilities.getRowStart(target, start);
                // refinement: only use the boundaries if the caret is at the same line
                // as boundary start; otherwise ignore the boundary and use document lines.
                if (boundLineStart == lineStartPos && dot > start && dot <= end) {
                    // move to the region start
                    dot = start;
                } else {
                    bounds = null;
                }
            }
            
            if (bounds == null) {
                if (homeKeyColumnOne) { // to first column
                    dot = lineStartPos;
                } else { // either to line start or text start
                    int textStartPos = Utilities.getRowFirstNonWhite(doc, lineStartPos);
                    if (textStartPos < 0) { // no text on the line
                        textStartPos = Utilities.getRowEnd(target, lineStartPos);
                    }
                    if (dot == lineStartPos) { // go to the text start pos
                        dot = textStartPos;
                    } else if (dot <= textStartPos) {
                        dot = lineStartPos;
                    } else {
                        dot = textStartPos;
                    }
                }
            }
            // For partial view hierarchy check bounds
            dot = Math.max(dot, target.getUI().getRootView(target).getStartOffset());
            String actionName = (String) getValue(Action.NAME);
            boolean select = selectionBeginLineAction.equals(actionName)
                    || selectionLineFirstColumnAction.equals(actionName);
            
            // If possible scroll the view to its begining horizontally
            // to ease user's orientation in the code.
            Rectangle r = target.modelToView(dot);
            Rectangle visRect = target.getVisibleRect();
            if (r.getMaxX() < visRect.getWidth()) {
                r.x = 0;
                target.scrollRectToVisible(r);
            }
            target.putClientProperty("navigational.action", SwingConstants.WEST);
            if (select) {
                caret.moveDot(dot);
            } else {
                caret.setDot(dot);
            }
        } catch (BadLocationException e) {
            target.getToolkit().beep();
        }
    }
}

方法所在类

javax.swing.text.JTextComponent