2005-04-19 Roman Kennke <roman@ontographics.com>
* javax/swing/JList.java (getPreferredScrollableViewportSize): The previous implementation was merely guessing the size, now it respects layoutOrientation, visibleRowCount and preferredSize. (getScrollableTracksViewportHeight): Reimplemented so that layoutOrientation, visibleRowCount and preferred size are respected. (getScrollableTracksViewportWidth): Reimplemented so that layoutOrientation, visibleRowCount and preferred size are respected. * javax/swing/plaf/basic/BasicListUI.java (getPreferredSize): Improved calculation of preferredSize when JList is set to HORIZONTAL_WRAP or VERTICAL_WRAP. (getCellBounds): The previous implementation assumed a layoutOrientation of JList.VERTICAL, now also ok with JList.HORIZONTAL_WRAP and JList.VERTICAL_WRAP. 2005-04-19 Roman Kennke <roman@ontographics.com> * javax/swing/plaf/basic/BasicListUI.java (paintCell): use CellRendererPane for painting the cells. 2005-04-19 Roman Kennke <roman@ontographics.com> * javax/swing/plaf/basic/BasicListUI: fixed modifiers of several fields, methods and inner classes to match the 'spec'. (getMaximumSize): removed. It's not in the spec and the implementations was superfluous. 2005-04-19 Roman Kennke <roman@ontographics.com> * javax/swing/plaf/basic/BasicListUI: make BasicListUI capable of wrapping lists (layoutOrientation property of javax.swing.JList) 2005-04-19 Roman Kennke <roman@ontographics.com> * javax/swing/plaf/basic/BasicListUI (updateLayoutState,paint): make BasicListUI aware of the width of the rendered JList. From-SVN: r98385
This commit is contained in:
Roman Kennke
Michael Koch
parent
b9d896d600
commit
48918616ef
@ -1,3 +1,50 @@
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2005-04-19 Roman Kennke <roman@ontographics.com>
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* javax/swing/JList.java
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(getPreferredScrollableViewportSize):
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The previous implementation was merely guessing the size,
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now it respects layoutOrientation, visibleRowCount
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and preferredSize.
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(getScrollableTracksViewportHeight):
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Reimplemented so that layoutOrientation, visibleRowCount
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and preferred size are respected.
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(getScrollableTracksViewportWidth):
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Reimplemented so that layoutOrientation, visibleRowCount
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and preferred size are respected.
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* javax/swing/plaf/basic/BasicListUI.java
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(getPreferredSize):
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Improved calculation of preferredSize when JList is
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set to HORIZONTAL_WRAP or VERTICAL_WRAP.
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(getCellBounds):
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The previous implementation assumed a layoutOrientation of
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JList.VERTICAL, now also ok with JList.HORIZONTAL_WRAP and
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JList.VERTICAL_WRAP.
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2005-04-19 Roman Kennke <roman@ontographics.com>
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* javax/swing/plaf/basic/BasicListUI.java
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(paintCell): use CellRendererPane for painting the cells.
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2005-04-19 Roman Kennke <roman@ontographics.com>
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* javax/swing/plaf/basic/BasicListUI:
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fixed modifiers of several fields, methods and inner
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classes to match the 'spec'.
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(getMaximumSize): removed. It's not in the spec and the
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implementations was superfluous.
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2005-04-19 Roman Kennke <roman@ontographics.com>
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* javax/swing/plaf/basic/BasicListUI:
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make BasicListUI capable of wrapping lists
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(layoutOrientation property of javax.swing.JList)
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2005-04-19 Roman Kennke <roman@ontographics.com>
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* javax/swing/plaf/basic/BasicListUI
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(updateLayoutState,paint): make BasicListUI aware of the
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width of the rendered JList.
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2005-04-19 Roman Kennke <roman@kennke.org>
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* javax/swing/ImageIcon.java
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@ -1029,32 +1029,20 @@ public class JList extends JComponent implements Accessible, Scrollable
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*/
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public Dimension getPreferredScrollableViewportSize()
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{
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int vis = getVisibleRowCount();
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int nrows = getModel() == null ? 0 : getModel().getSize();
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// FIXME: this is a somewhat arbitrary default, but.. ?
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Dimension single = new Dimension(10, 10);;
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Rectangle bounds = null;
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if (vis > nrows)
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Dimension retVal = getPreferredSize();
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if (getLayoutOrientation() == VERTICAL)
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{
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if (fixedCellWidth != -1 &&
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fixedCellHeight != -1)
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if (fixedCellHeight != -1)
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{
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single = new Dimension(fixedCellWidth, fixedCellHeight);
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}
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else if (nrows != 0 && getUI() != null)
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if (fixedCellWidth != -1)
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{
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Rectangle tmp = getUI().getCellBounds(this, 0, 0);
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if (tmp != null)
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single = tmp.getSize();
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int size = getModel().getSize();
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retVal = new Dimension(fixedCellWidth, size * fixedCellHeight);
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} // TODO: add else clause (preferredSize is ok for now)
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} // TODO: add else clause (preferredSize is ok for now)
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}
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}
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else if (getUI() != null)
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{
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return getUI().getCellBounds(this, 0, vis - 1).getSize();
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}
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return new Dimension(single.width, single.height * vis);
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return retVal;
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}
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/**
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@ -1193,7 +1181,19 @@ public class JList extends JComponent implements Accessible, Scrollable
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*/
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public boolean getScrollableTracksViewportWidth()
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{
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return false;
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Component parent = getParent();
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boolean retVal = false;
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if (parent instanceof JViewport)
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{
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JViewport viewport = (JViewport) parent;
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Dimension pref = getPreferredSize();
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if (viewport.getSize().width > pref.width)
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retVal = true;
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if ((getLayoutOrientation() == HORIZONTAL_WRAP)
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&& (getVisibleRowCount() <= 0))
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retVal = true;
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}
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return retVal;
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}
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/**
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@ -1206,7 +1206,19 @@ public class JList extends JComponent implements Accessible, Scrollable
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*/
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public boolean getScrollableTracksViewportHeight()
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{
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return false;
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Component parent = getParent();
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boolean retVal = false;
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if (parent instanceof JViewport)
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{
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JViewport viewport = (JViewport) parent;
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Dimension pref = getPreferredSize();
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if (viewport.getSize().height > pref.height)
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retVal = true;
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if ((getLayoutOrientation() == VERTICAL_WRAP)
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&& (getVisibleRowCount() <= 0))
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retVal = true;
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}
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return retVal;
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}
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public int getAnchorSelectionIndex()
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@ -44,14 +44,19 @@ import java.awt.Dimension;
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import java.awt.Graphics;
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import java.awt.Point;
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import java.awt.Rectangle;
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import java.awt.event.ComponentAdapter;
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import java.awt.event.ComponentEvent;
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import java.awt.event.ComponentListener;
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import java.awt.event.FocusEvent;
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import java.awt.event.FocusListener;
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import java.awt.event.MouseEvent;
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import java.beans.PropertyChangeEvent;
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import java.beans.PropertyChangeListener;
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import javax.swing.CellRendererPane;
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import javax.swing.JComponent;
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import javax.swing.JList;
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import javax.swing.JViewport;
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import javax.swing.ListCellRenderer;
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import javax.swing.ListModel;
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import javax.swing.ListSelectionModel;
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@ -71,11 +76,27 @@ import javax.swing.plaf.ListUI;
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*/
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public class BasicListUI extends ListUI
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{
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/**
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* A helper class which listens for {@link ComponentEvent}s from
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* the JList.
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*/
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private class ComponentHandler extends ComponentAdapter {
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/**
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* Called when the component is hidden. Invalidates the internal
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* layout.
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*/
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public void componentResized(ComponentEvent ev) {
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BasicListUI.this.damageLayout();
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}
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}
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/**
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* A helper class which listens for {@link FocusEvents}
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* from the JList.
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*/
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class FocusHandler implements FocusListener
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public class FocusHandler implements FocusListener
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{
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/**
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* Called when the JList acquires focus.
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@ -112,7 +133,7 @@ public class BasicListUI extends ListUI
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*
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* @see javax.swing.JList#model
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*/
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class ListDataHandler implements ListDataListener
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public class ListDataHandler implements ListDataListener
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{
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/**
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* Called when a general change has happened in the model which cannot
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@ -150,7 +171,7 @@ public class BasicListUI extends ListUI
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* A helper class which listens for {@link ListSelectionEvent}s
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* from the {@link JList}'s {@link ListSelectionModel}.
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*/
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class ListSelectionHandler implements ListSelectionListener
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public class ListSelectionHandler implements ListSelectionListener
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{
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/**
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* Called when the list selection changes.
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@ -166,7 +187,7 @@ public class BasicListUI extends ListUI
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* A helper class which listens for {@link MouseEvent}s
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* from the {@link JList}.
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*/
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class MouseInputHandler implements MouseInputListener
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public class MouseInputHandler implements MouseInputListener
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{
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/**
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* Called when a mouse button press/release cycle completes
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@ -186,11 +207,12 @@ public class BasicListUI extends ListUI
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*/
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public void mousePressed(MouseEvent event)
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{
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int row = BasicListUI.this.convertYToRow(event.getY());
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if (row == -1)
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Point click = event.getPoint();
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int index = BasicListUI.this.locationToIndex(list, click);
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if (index == -1)
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return;
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BasicListUI.this.list.setSelectedIndex(row);
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BasicListUI.this.list.setSelectedIndex(index);
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}
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/**
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@ -248,7 +270,7 @@ public class BasicListUI extends ListUI
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* Helper class which listens to {@link PropertyChangeEvent}s
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* from the {@link JList}.
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*/
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class PropertyChangeHandler implements PropertyChangeListener
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public class PropertyChangeHandler implements PropertyChangeListener
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{
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/**
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* Called when the {@link JList} changes one of its bound properties.
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@ -282,41 +304,50 @@ public class BasicListUI extends ListUI
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}
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/** The current focus listener. */
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FocusHandler focusListener;
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protected FocusHandler focusListener;
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/** The data listener listening to the model. */
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ListDataHandler listDataListener;
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protected ListDataHandler listDataListener;
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/** The selection listener listening to the selection model. */
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ListSelectionHandler listSelectionListener;
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protected ListSelectionHandler listSelectionListener;
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/** The mouse listener listening to the list. */
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MouseInputHandler mouseInputListener;
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protected MouseInputHandler mouseInputListener;
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/** The property change listener listening to the list. */
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PropertyChangeHandler propertyChangeListener;
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protected PropertyChangeHandler propertyChangeListener;
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/** The component listener that receives notification for resizing the
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* JList component.*/
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private ComponentListener componentListener;
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/** Saved reference to the list this UI was created for. */
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JList list;
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protected JList list;
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/** The height of a single cell in the list. */
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int cellHeight;
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protected int cellHeight;
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/** The width of a single cell in the list. */
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int cellWidth;
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protected int cellWidth;
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/**
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* An array of varying heights of cells in the list, in cases where each
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* cell might have a different height.
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*/
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int[] cellHeights;
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protected int[] cellHeights;
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/**
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* A simple counter. When nonzero, indicates that the UI class is out of
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* date with respect to the underlying list, and must recalculate the
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* list layout before painting or performing size calculations.
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*/
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int updateLayoutStateNeeded;
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protected int updateLayoutStateNeeded;
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/**
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* The {@link CellRendererPane} that is used for painting.
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*/
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protected CellRendererPane rendererPane;
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/**
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* Calculate the height of a particular row. If there is a fixed {@link
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@ -328,7 +359,7 @@ public class BasicListUI extends ListUI
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*
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* @return The height, in pixels, of the specified row
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*/
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int getRowHeight(int row)
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protected int getRowHeight(int row)
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{
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if (row < 0 || row >= cellHeights.length)
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return -1;
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@ -356,14 +387,21 @@ public class BasicListUI extends ListUI
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if (l != list || cellWidth == -1)
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return null;
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int lo = Math.min(index1, index2);
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int hi = Math.max(index1, index2);
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Rectangle lobounds = new Rectangle(0, convertRowToY(lo), cellWidth,
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getRowHeight(lo));
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Rectangle hibounds = new Rectangle(0, convertRowToY(hi), cellWidth,
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getRowHeight(hi));
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int minIndex = Math.min(index1, index2);
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int maxIndex = Math.max(index1, index2);
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Point loc = indexToLocation(list, minIndex);
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Rectangle bounds = new Rectangle(loc.x, loc.y, cellWidth,
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getRowHeight(minIndex));
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return lobounds.union(hibounds);
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for (int i = minIndex + 1; i <= maxIndex; i++)
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{
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Point hiLoc = indexToLocation(list, i);
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Rectangle hibounds = new Rectangle(hiLoc.x, hiLoc.y, cellWidth,
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getRowHeight(i));
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bounds = bounds.union(hibounds);
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}
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return bounds;
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}
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/**
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@ -376,7 +414,7 @@ public class BasicListUI extends ListUI
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* @return The Y coordinate of the specified row, or <code>-1</code> if
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* the specified row number is invalid
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*/
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int convertRowToY(int row)
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protected int convertRowToY(int row)
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{
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int y = 0;
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for (int i = 0; i < row; ++i)
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@ -399,7 +437,7 @@ public class BasicListUI extends ListUI
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* @return The row number containing the specified Y value, or <code>-1</code>
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* if the specified Y coordinate is invalid
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*/
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int convertYToRow(int y0)
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protected int convertYToRow(int y0)
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{
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for (int row = 0; row < cellHeights.length; ++row)
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{
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@ -417,7 +455,7 @@ public class BasicListUI extends ListUI
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* #cellWidth} properties by examining the variouis properties of the
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* {@link JList}.
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*/
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void updateLayoutState()
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protected void updateLayoutState()
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{
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int nrows = list.getModel().getSize();
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cellHeight = -1;
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@ -436,7 +474,11 @@ public class BasicListUI extends ListUI
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false);
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Dimension dim = flyweight.getPreferredSize();
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cellHeights[i] = dim.height;
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// compute average cell height (little hack here)
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cellHeight = (cellHeight * i + cellHeights[i]) / (i + 1);
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cellWidth = Math.max(cellWidth, dim.width);
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if (list.getLayoutOrientation() == JList.VERTICAL)
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cellWidth = Math.max(cellWidth, list.getSize().width);
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}
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}
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else
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@ -452,7 +494,7 @@ public class BasicListUI extends ListUI
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*
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* @see #updateLayoutStateNeeded
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*/
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void damageLayout()
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private void damageLayout()
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{
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updateLayoutStateNeeded = 1;
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list.revalidate();
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@ -462,7 +504,7 @@ public class BasicListUI extends ListUI
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* Calls {@link #updateLayoutState} if {@link #updateLayoutStateNeeded}
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* is nonzero, then resets {@link #updateLayoutStateNeeded} to zero.
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*/
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void maybeUpdateLayoutState()
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protected void maybeUpdateLayoutState()
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{
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if (updateLayoutStateNeeded != 0)
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{
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@ -481,7 +523,9 @@ public class BasicListUI extends ListUI
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listSelectionListener = new ListSelectionHandler();
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mouseInputListener = new MouseInputHandler();
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propertyChangeListener = new PropertyChangeHandler();
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componentListener = new ComponentHandler();
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updateLayoutStateNeeded = 1;
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rendererPane = new CellRendererPane();
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}
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/**
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@ -490,7 +534,7 @@ public class BasicListUI extends ListUI
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*
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* @see #uninstallDefaults
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*/
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void installDefaults()
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protected void installDefaults()
|
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{
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UIDefaults defaults = UIManager.getLookAndFeelDefaults();
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list.setForeground(defaults.getColor("List.foreground"));
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@ -504,7 +548,7 @@ public class BasicListUI extends ListUI
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* Resets to <code>null</code> those defaults which were installed in
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* {@link #installDefaults}
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*/
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void uninstallDefaults()
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protected void uninstallDefaults()
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{
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UIDefaults defaults = UIManager.getLookAndFeelDefaults();
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list.setForeground(null);
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@ -519,7 +563,7 @@ public class BasicListUI extends ListUI
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*
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* @see #uninstallListeners
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*/
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void installListeners()
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protected void installListeners()
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{
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list.addFocusListener(focusListener);
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list.getModel().addListDataListener(listDataListener);
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@ -527,12 +571,13 @@ public class BasicListUI extends ListUI
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list.addMouseListener(mouseInputListener);
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list.addMouseMotionListener(mouseInputListener);
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list.addPropertyChangeListener(propertyChangeListener);
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list.addComponentListener(componentListener);
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}
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/**
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* Detaches all the listeners we attached in {@link #installListeners}.
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*/
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void uninstallListeners()
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protected void uninstallListeners()
|
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{
|
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list.removeFocusListener(focusListener);
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list.getModel().removeListDataListener(listDataListener);
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@ -545,14 +590,14 @@ public class BasicListUI extends ListUI
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/**
|
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* Installs keyboard actions for this UI in the {@link JList}.
|
||||
*/
|
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void installKeyboardActions()
|
||||
protected void installKeyboardActions()
|
||||
{
|
||||
}
|
||||
|
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/**
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* Uninstalls keyboard actions for this UI in the {@link JList}.
|
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*/
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void uninstallKeyboardActions()
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protected void uninstallKeyboardActions()
|
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{
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}
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|
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@ -590,18 +635,6 @@ public class BasicListUI extends ListUI
|
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list = null;
|
||||
}
|
||||
|
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/**
|
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* Gets the maximum size this list can assume.
|
||||
*
|
||||
* @param c The component to measure the size of
|
||||
*
|
||||
* @return A new Dimension representing the component's maximum size
|
||||
*/
|
||||
public Dimension getMaximumSize(JComponent c)
|
||||
{
|
||||
return new Dimension(Integer.MAX_VALUE, Integer.MAX_VALUE);
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets the size this list would prefer to assume. This is calculated by
|
||||
* calling {@link #getCellBounds} over the entire list.
|
||||
@ -612,10 +645,34 @@ public class BasicListUI extends ListUI
|
||||
*/
|
||||
public Dimension getPreferredSize(JComponent c)
|
||||
{
|
||||
if (list.getModel().getSize() == 0)
|
||||
int size = list.getModel().getSize();
|
||||
if (size == 0)
|
||||
return new Dimension(0, 0);
|
||||
int visibleRows = list.getVisibleRowCount();
|
||||
int layoutOrientation = list.getLayoutOrientation();
|
||||
Rectangle bounds = getCellBounds(list, 0, list.getModel().getSize() - 1);
|
||||
return bounds.getSize();
|
||||
Dimension retVal = bounds.getSize();
|
||||
Component parent = list.getParent();
|
||||
if ((visibleRows == -1) && (parent instanceof JViewport))
|
||||
{
|
||||
JViewport viewport = (JViewport) parent;
|
||||
|
||||
if (layoutOrientation == JList.HORIZONTAL_WRAP)
|
||||
{
|
||||
int h = viewport.getSize().height;
|
||||
int cellsPerCol = h / cellHeight;
|
||||
int w = size / cellsPerCol * cellWidth;
|
||||
retVal = new Dimension(w, h);
|
||||
}
|
||||
else if (layoutOrientation == JList.VERTICAL_WRAP)
|
||||
{
|
||||
int w = viewport.getSize().width;
|
||||
int cellsPerRow = Math.max(w / cellWidth, 1);
|
||||
int h = size / cellsPerRow * cellHeight;
|
||||
retVal = new Dimension(w, h);
|
||||
}
|
||||
}
|
||||
return retVal;
|
||||
}
|
||||
|
||||
/**
|
||||
@ -625,7 +682,7 @@ public class BasicListUI extends ListUI
|
||||
* @param g The graphics context to paint in
|
||||
* @param c The component to paint the background of
|
||||
*/
|
||||
public void paintBackground(Graphics g, JComponent c)
|
||||
private void paintBackground(Graphics g, JComponent c)
|
||||
{
|
||||
Dimension size = getPreferredSize(c);
|
||||
Color save = g.getColor();
|
||||
@ -647,18 +704,18 @@ public class BasicListUI extends ListUI
|
||||
* @param sel A selection model to provide to the cell renderer
|
||||
* @param lead The lead selection index of the list
|
||||
*/
|
||||
void paintCell(Graphics g, int row, Rectangle bounds, ListCellRenderer rend,
|
||||
ListModel data, ListSelectionModel sel, int lead)
|
||||
protected void paintCell(Graphics g, int row, Rectangle bounds,
|
||||
ListCellRenderer rend, ListModel data,
|
||||
ListSelectionModel sel, int lead)
|
||||
{
|
||||
boolean is_sel = list.isSelectedIndex(row);
|
||||
boolean has_focus = false;
|
||||
Component comp = rend.getListCellRendererComponent(list,
|
||||
data.getElementAt(row),
|
||||
0, is_sel, has_focus);
|
||||
g.translate(bounds.x, bounds.y);
|
||||
comp.setBounds(new Rectangle(0, 0, bounds.width, bounds.height));
|
||||
comp.paint(g);
|
||||
g.translate(-bounds.x, -bounds.y);
|
||||
//comp.setBounds(new Rectangle(0, 0, bounds.width, bounds.height));
|
||||
//comp.paint(g);
|
||||
rendererPane.paintComponent(g, comp, list, bounds);
|
||||
}
|
||||
|
||||
/**
|
||||
@ -690,13 +747,123 @@ public class BasicListUI extends ListUI
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Computes the index of a list cell given a point within the list.
|
||||
*
|
||||
* @param list the list which on which the computation is based on
|
||||
* @param location the coordinates
|
||||
*
|
||||
* @return the index of the list item that is located at the given
|
||||
* coordinates or <code>null</code> if the location is invalid
|
||||
*/
|
||||
public int locationToIndex(JList list, Point location)
|
||||
{
|
||||
return convertYToRow(location.y);
|
||||
int layoutOrientation = list.getLayoutOrientation();
|
||||
int index = -1;
|
||||
switch (layoutOrientation)
|
||||
{
|
||||
case JList.VERTICAL:
|
||||
index = convertYToRow(location.y);
|
||||
break;
|
||||
case JList.HORIZONTAL_WRAP:
|
||||
// determine visible rows and cells per row
|
||||
int visibleRows = list.getVisibleRowCount();
|
||||
int cellsPerRow = -1;
|
||||
int numberOfItems = list.getModel().getSize();
|
||||
Dimension listDim = list.getSize();
|
||||
if (visibleRows <= 0)
|
||||
{
|
||||
try
|
||||
{
|
||||
cellsPerRow = listDim.width / cellWidth;
|
||||
}
|
||||
catch (ArithmeticException ex)
|
||||
{
|
||||
cellsPerRow = 1;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
cellsPerRow = numberOfItems / visibleRows + 1;
|
||||
}
|
||||
|
||||
// determine index for the given location
|
||||
int cellsPerColumn = numberOfItems / cellsPerRow + 1;
|
||||
int gridX = Math.min(location.x / cellWidth, cellsPerRow - 1);
|
||||
int gridY = Math.min(location.y / cellHeight, cellsPerColumn);
|
||||
index = gridX + gridY * cellsPerRow;
|
||||
break;
|
||||
case JList.VERTICAL_WRAP:
|
||||
// determine visible rows and cells per column
|
||||
int visibleRows2 = list.getVisibleRowCount();
|
||||
if (visibleRows2 <= 0)
|
||||
{
|
||||
Dimension listDim2 = list.getSize();
|
||||
visibleRows2 = listDim2.height / cellHeight;
|
||||
}
|
||||
int numberOfItems2 = list.getModel().getSize();
|
||||
int cellsPerRow2 = numberOfItems2 / visibleRows2 + 1;
|
||||
|
||||
Dimension listDim2 = list.getSize();
|
||||
int gridX2 = Math.min(location.x / cellWidth, cellsPerRow2 - 1);
|
||||
int gridY2 = Math.min(location.y / cellHeight, visibleRows2);
|
||||
index = gridY2 + gridX2 * visibleRows2;
|
||||
break;
|
||||
}
|
||||
return index;
|
||||
}
|
||||
|
||||
public Point indexToLocation(JList list, int index)
|
||||
{
|
||||
return new Point(0, convertRowToY(index));
|
||||
int layoutOrientation = list.getLayoutOrientation();
|
||||
Point loc = null;
|
||||
switch (layoutOrientation)
|
||||
{
|
||||
case JList.VERTICAL:
|
||||
loc = new Point(0, convertRowToY(index));
|
||||
break;
|
||||
case JList.HORIZONTAL_WRAP:
|
||||
// determine visible rows and cells per row
|
||||
int visibleRows = list.getVisibleRowCount();
|
||||
int numberOfCellsPerRow = -1;
|
||||
if (visibleRows <= 0)
|
||||
{
|
||||
Dimension listDim = list.getSize();
|
||||
numberOfCellsPerRow = Math.max(listDim.width / cellWidth, 1);
|
||||
}
|
||||
else
|
||||
{
|
||||
int numberOfItems = list.getModel().getSize();
|
||||
numberOfCellsPerRow = numberOfItems / visibleRows + 1;
|
||||
}
|
||||
// compute coordinates inside the grid
|
||||
int gridX = index % numberOfCellsPerRow;
|
||||
int gridY = index / numberOfCellsPerRow;
|
||||
int locX = gridX * cellWidth;
|
||||
int locY = gridY * cellHeight;
|
||||
loc = new Point(locX, locY);
|
||||
break;
|
||||
case JList.VERTICAL_WRAP:
|
||||
// determine visible rows and cells per column
|
||||
int visibleRows2 = list.getVisibleRowCount();
|
||||
if (visibleRows2 <= 0)
|
||||
{
|
||||
Dimension listDim2 = list.getSize();
|
||||
visibleRows2 = listDim2.height / cellHeight;
|
||||
}
|
||||
// compute coordinates inside the grid
|
||||
if (visibleRows2 > 0)
|
||||
{
|
||||
int gridY2 = index % visibleRows2;
|
||||
int gridX2 = index / visibleRows2;
|
||||
int locX2 = gridX2 * cellWidth;
|
||||
int locY2 = gridY2 * cellHeight;
|
||||
loc = new Point(locX2, locY2);
|
||||
}
|
||||
else
|
||||
loc = new Point(0, convertRowToY(index));
|
||||
break;
|
||||
}
|
||||
return loc;
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user