diff options
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/TableColumn.java')
-rwxr-xr-x | bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/TableColumn.java | 952 |
1 files changed, 476 insertions, 476 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/TableColumn.java b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/TableColumn.java index 1d3f175d5c..f040329484 100755 --- a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/TableColumn.java +++ b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/TableColumn.java @@ -1,479 +1,479 @@ -package org.eclipse.swt.widgets;
-
-/*
+package org.eclipse.swt.widgets; + +/* * Copyright (c) 2000, 2002 IBM Corp. All rights reserved. * This file is made available under the terms of the Common Public License v1.0 * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v10.html
- */
-
-import org.eclipse.swt.internal.win32.*;
-import org.eclipse.swt.*;
-import org.eclipse.swt.graphics.*;
-import org.eclipse.swt.events.*;
-
-/**
- * Instances of this class represent a column in a table widget.
- * <dl>
- * <dt><b>Styles:</b></dt>
- * <dd>LEFT, RIGHT, CENTER</dd>
- * <dt><b>Events:</b></dt>
- * <dd> Move, Resize, Selection</dd>
- * </dl>
- * <p>
- * Note: Only one of the styles LEFT, RIGHT and CENTER may be specified.
- * </p><p>
- * IMPORTANT: This class is <em>not</em> intended to be subclassed.
- * </p>
- */
-public class TableColumn extends Item {
- Table parent;
- boolean resizable;
-
-/**
- * Constructs a new instance of this class given its parent
- * (which must be a <code>Table</code>) and a style value
- * describing its behavior and appearance. The item is added
- * to the end of the items maintained by its parent.
- * <p>
- * The style value is either one of the style constants defined in
- * class <code>SWT</code> which is applicable to instances of this
- * class, or must be built by <em>bitwise OR</em>'ing together
- * (that is, using the <code>int</code> "|" operator) two or more
- * of those <code>SWT</code> style constants. The class description
- * lists the style constants that are applicable to the class.
- * Style bits are also inherited from superclasses.
- * </p>
- *
- * @param parent a composite control which will be the parent of the new instance (cannot be null)
- * @param style the style of control to construct
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
- * </ul>
- * @exception SWTException <ul>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
- * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
- * </ul>
- *
- * @see SWT#LEFT
- * @see SWT#RIGHT
- * @see SWT#CENTER
- * @see Widget#checkSubclass
- * @see Widget#getStyle
- */
-public TableColumn (Table parent, int style) {
- super (parent, checkStyle (style));
- resizable = true;
- this.parent = parent;
- parent.createItem (this, parent.getColumnCount ());
-}
-
-/**
- * Constructs a new instance of this class given its parent
- * (which must be a <code>Table</code>), a style value
- * describing its behavior and appearance, and the index
- * at which to place it in the items maintained by its parent.
- * <p>
- * The style value is either one of the style constants defined in
- * class <code>SWT</code> which is applicable to instances of this
- * class, or must be built by <em>bitwise OR</em>'ing together
- * (that is, using the <code>int</code> "|" operator) two or more
- * of those <code>SWT</code> style constants. The class description
- * lists the style constants that are applicable to the class.
- * Style bits are also inherited from superclasses.
- * </p>
- *
- * @param parent a composite control which will be the parent of the new instance (cannot be null)
- * @param style the style of control to construct
- * @param index the index to store the receiver in its parent
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
- * </ul>
- * @exception SWTException <ul>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
- * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
- * </ul>
- *
- * @see SWT#LEFT
- * @see SWT#RIGHT
- * @see SWT#CENTER
- * @see Widget#checkSubclass
- * @see Widget#getStyle
- */
-public TableColumn (Table parent, int style, int index) {
- super (parent, checkStyle (style));
- resizable = true;
- this.parent = parent;
- parent.createItem (this, index);
-}
-
-/**
- * Adds the listener to the collection of listeners who will
- * be notified when the control is moved or resized, by sending
- * it one of the messages defined in the <code>ControlListener</code>
- * interface.
- *
- * @param listener the listener which should be notified
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
- * </ul>
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- *
- * @see ControlListener
- * @see #removeControlListener
- */
-public void addControlListener(ControlListener listener) {
- checkWidget ();
- if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
- TypedListener typedListener = new TypedListener (listener);
- addListener (SWT.Resize,typedListener);
- addListener (SWT.Move,typedListener);
-}
-
-/**
- * Adds the listener to the collection of listeners who will
- * be notified when the control is selected, by sending
- * it one of the messages defined in the <code>SelectionListener</code>
- * interface.
- * <p>
- * <code>widgetSelected</code> is called when the column header is selected.
- * <code>widgetDefaultSelected</code> is not called.
- * </p>
- *
- * @param listener the listener which should be notified
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
- * </ul>
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- *
- * @see SelectionListener
- * @see #removeSelectionListener
- * @see SelectionEvent
- */
-public void addSelectionListener (SelectionListener listener) {
- checkWidget ();
- if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
- TypedListener typedListener = new TypedListener (listener);
- addListener (SWT.Selection,typedListener);
- addListener (SWT.DefaultSelection,typedListener);
-}
-
-static int checkStyle (int style) {
- return checkBits (style, SWT.LEFT, SWT.CENTER, SWT.RIGHT, 0, 0, 0);
-}
-
-protected void checkSubclass () {
- if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS);
-}
-
-/**
- * Returns a value which describes the position of the
- * text or image in the receiver. The value will be one of
- * <code>LEFT</code>, <code>RIGHT</code> or <code>CENTER</code>.
- *
- * @return the alignment
- *
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- */
-public int getAlignment () {
- checkWidget ();
- if ((style & SWT.LEFT) != 0) return SWT.LEFT;
- if ((style & SWT.CENTER) != 0) return SWT.CENTER;
- if ((style & SWT.RIGHT) != 0) return SWT.RIGHT;
- return SWT.LEFT;
-}
-
-public Display getDisplay () {
- Table parent = this.parent;
- if (parent == null) error (SWT.ERROR_WIDGET_DISPOSED);
- return parent.getDisplay ();
-}
-
-String getNameText () {
- return getText ();
-}
-
-/**
- * Returns the receiver's parent, which must be a <code>Table</code>.
- *
- * @return the receiver's parent
- *
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- */
-public Table getParent () {
- checkWidget ();
- return parent;
-}
-
-/**
- * Gets the resizable attribute. A column that is
- * not resizable cannot be dragged by the user but
- * may be resized by the programmer.
- *
- * @return the resizable attribute
- *
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- */
-public boolean getResizable () {
- checkWidget ();
- return resizable;
-}
-
-/**
- * Gets the width of the receiver.
- *
- * @return the width
- *
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- */
-public int getWidth () {
- checkWidget ();
- int index = parent.indexOf (this);
- if (index == -1) return 0;
- int hwnd = parent.handle;
- return OS.SendMessage (hwnd, OS.LVM_GETCOLUMNWIDTH, index, 0);
-}
-
-/**
- * Causes the receiver to be resized to its preferred size.
- * For a composite, this involves computing the preferred size
- * from its layout, if there is one.
- *
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- *
- */
-public void pack () {
- checkWidget ();
- int index = parent.indexOf (this);
- if (index == -1) return;
- int hwnd = parent.handle;
- TCHAR buffer = new TCHAR (parent.getCodePage (), text, true);
- int headerWidth = OS.SendMessage (hwnd, OS.LVM_GETSTRINGWIDTH, 0, buffer) + 10;
- if (image != null) {
- int margin = 0;
- if ((COMCTL32_MAJOR << 16 | COMCTL32_MINOR) >= (5 << 16 | 80)) {
- int hwndHeader = OS.SendMessage (hwnd, OS.LVM_GETHEADER, 0, 0);
- margin = OS.SendMessage (hwndHeader, OS.HDM_GETBITMAPMARGIN, 0, 0);
- } else {
- margin = OS.GetSystemMetrics (OS.SM_CXEDGE) * 3;
- }
- Rectangle rect = image.getBounds ();
- headerWidth += rect.width + margin * 2;
- }
- OS.SendMessage (hwnd, OS.LVM_SETCOLUMNWIDTH, index, OS.LVSCW_AUTOSIZE);
- int columnWidth = OS.SendMessage (hwnd, OS.LVM_GETCOLUMNWIDTH, index, 0);
- if (headerWidth > columnWidth) {
- if (image == null) {
- OS.SendMessage (hwnd, OS.LVM_SETCOLUMNWIDTH, index, OS.LVSCW_AUTOSIZE_USEHEADER);
- } else {
- OS.SendMessage (hwnd, OS.LVM_SETCOLUMNWIDTH, index, headerWidth);
- }
- }
-}
-
-void releaseChild () {
- super.releaseChild ();
- parent.destroyItem (this);
-}
-
-void releaseWidget () {
- super.releaseWidget ();
- parent = null;
-}
-
-/**
- * Removes the listener from the collection of listeners who will
- * be notified when the control is moved or resized.
- *
- * @param listener the listener which should be notified
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
- * </ul>
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- *
- * @see ControlListener
- * @see #addControlListener
- */
-public void removeControlListener (ControlListener listener) {
- checkWidget ();
- if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
- if (eventTable == null) return;
- eventTable.unhook (SWT.Move, listener);
- eventTable.unhook (SWT.Resize, listener);
-}
-
-/**
- * Removes the listener from the collection of listeners who will
- * be notified when the control is selected.
- *
- * @param listener the listener which should be notified
- *
- * @exception IllegalArgumentException <ul>
- * <li>ERROR_NULL_ARGUMENT - if the listener is null</li>
- * </ul>
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- *
- * @see SelectionListener
- * @see #addSelectionListener
- */
-public void removeSelectionListener(SelectionListener listener) {
- checkWidget ();
- if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);
- if (eventTable == null) return;
- eventTable.unhook (SWT.Selection, listener);
- eventTable.unhook (SWT.DefaultSelection,listener);
-}
-
-/**
- * Controls how text and images will be displayed in the receiver.
- * The argument should be one of <code>LEFT</code>, <code>RIGHT</code>
- * or <code>CENTER</code>.
- *
- * @param alignment the new alignment
- *
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- */
-public void setAlignment (int alignment) {
- checkWidget ();
- if ((alignment & (SWT.LEFT | SWT.RIGHT | SWT.CENTER)) == 0) return;
- int index = parent.indexOf (this);
- if (index == -1 || index == 0) return;
- style &= ~(SWT.LEFT | SWT.RIGHT | SWT.CENTER);
- style |= alignment & (SWT.LEFT | SWT.RIGHT | SWT.CENTER);
- int fmt = 0;
- if ((style & SWT.LEFT) == SWT.LEFT) fmt = OS.LVCFMT_LEFT;
- if ((style & SWT.CENTER) == SWT.CENTER) fmt = OS.LVCFMT_CENTER;
- if ((style & SWT.RIGHT) == SWT.RIGHT) fmt = OS.LVCFMT_RIGHT;
- int hwnd = parent.handle;
- LVCOLUMN lvColumn = new LVCOLUMN ();
- lvColumn.mask = OS.LVCF_FMT;
- lvColumn.fmt = fmt;
- OS.SendMessage (hwnd, OS.LVM_SETCOLUMN, index, lvColumn);
-}
-
-public void setImage (Image image) {
- checkWidget();
- if (image != null && image.isDisposed ()) {
- error (SWT.ERROR_INVALID_ARGUMENT);
- }
- int index = parent.indexOf (this);
- if (index == -1) return;
- super.setImage (image);
- int hwnd = parent.handle;
- LVCOLUMN lvColumn = new LVCOLUMN ();
- lvColumn.mask = OS.LVCF_FMT | OS.LVCF_IMAGE;
- lvColumn.fmt = OS.LVCFMT_IMAGE;
- lvColumn.iImage = parent.imageIndex (image);
- OS.SendMessage (hwnd, OS.LVM_SETCOLUMN, index, lvColumn);
- if (image == null) {
- lvColumn.mask = OS.LVCF_FMT;
- if ((style & SWT.LEFT) == SWT.LEFT) lvColumn.fmt = OS.LVCFMT_LEFT;
- if ((style & SWT.CENTER) == SWT.CENTER) lvColumn.fmt = OS.LVCFMT_CENTER;
- if ((style & SWT.RIGHT) == SWT.RIGHT) lvColumn.fmt = OS.LVCFMT_RIGHT;
- OS.SendMessage (hwnd, OS.LVM_SETCOLUMN, index, lvColumn);
- }
-}
-
-/**
- * Sets the resizable attribute. A column that is
- * not resizable cannot be dragged by the user but
- * may be resized by the programmer.
- *
- * @param resizable the resize attribute
- *
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- */
-public void setResizable (boolean resizable) {
- checkWidget ();
- this.resizable = resizable;
-}
-
-public void setText (String string) {
- checkWidget ();
- if (string == null) error (SWT.ERROR_NULL_ARGUMENT);
- int index = parent.indexOf (this);
- if (index == -1) return;
- super.setText (string);
-
- /*
- * Bug in Windows. For some reason, when the title
- * of a column is changed after the column has been
- * created, the alignment must also be reset or the
- * text does not draw. The fix is to query and then
- * set the alignment.
- */
- int hwnd = parent.handle;
- LVCOLUMN lvColumn = new LVCOLUMN ();
- lvColumn.mask = OS.LVCF_FMT;
- OS.SendMessage (hwnd, OS.LVM_GETCOLUMN, index, lvColumn);
-
- /* Set the column title */
- int hHeap = OS.GetProcessHeap ();
- TCHAR buffer = new TCHAR (parent.getCodePage (), string, true);
- int byteCount = buffer.length () * TCHAR.sizeof;
- int pszText = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, byteCount);
- OS.MoveMemory (pszText, buffer, byteCount);
- lvColumn.mask |= OS.LVCF_TEXT;
- lvColumn.pszText = pszText;
- int result = OS.SendMessage (hwnd, OS.LVM_SETCOLUMN, index, lvColumn);
- if (pszText != 0) OS.HeapFree (hHeap, 0, pszText);
- if (result == 0) error (SWT.ERROR_CANNOT_SET_TEXT);
-}
-
-/**
- * Sets the width of the receiver.
- *
- * @param width the new width
- *
- * @exception SWTException <ul>
- * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
- * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
- * </ul>
- */
-public void setWidth (int width) {
- checkWidget ();
- int index = parent.indexOf (this);
- if (index == -1) return;
- int hwnd = parent.handle;
- OS.SendMessage (hwnd, OS.LVM_SETCOLUMNWIDTH, index, width);
-}
-
-}
+ * http://www.eclipse.org/legal/cpl-v10.html + */ + +import org.eclipse.swt.internal.win32.*; +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; +import org.eclipse.swt.events.*; + +/** + * Instances of this class represent a column in a table widget. + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>LEFT, RIGHT, CENTER</dd> + * <dt><b>Events:</b></dt> + * <dd> Move, Resize, Selection</dd> + * </dl> + * <p> + * Note: Only one of the styles LEFT, RIGHT and CENTER may be specified. + * </p><p> + * IMPORTANT: This class is <em>not</em> intended to be subclassed. + * </p> + */ +public class TableColumn extends Item { + Table parent; + boolean resizable; + +/** + * Constructs a new instance of this class given its parent + * (which must be a <code>Table</code>) and a style value + * describing its behavior and appearance. The item is added + * to the end of the items maintained by its parent. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#LEFT + * @see SWT#RIGHT + * @see SWT#CENTER + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public TableColumn (Table parent, int style) { + super (parent, checkStyle (style)); + resizable = true; + this.parent = parent; + parent.createItem (this, parent.getColumnCount ()); +} + +/** + * Constructs a new instance of this class given its parent + * (which must be a <code>Table</code>), a style value + * describing its behavior and appearance, and the index + * at which to place it in the items maintained by its parent. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * @param index the index to store the receiver in its parent + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#LEFT + * @see SWT#RIGHT + * @see SWT#CENTER + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public TableColumn (Table parent, int style, int index) { + super (parent, checkStyle (style)); + resizable = true; + this.parent = parent; + parent.createItem (this, index); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the control is moved or resized, by sending + * it one of the messages defined in the <code>ControlListener</code> + * interface. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see ControlListener + * @see #removeControlListener + */ +public void addControlListener(ControlListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Resize,typedListener); + addListener (SWT.Move,typedListener); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the control is selected, by sending + * it one of the messages defined in the <code>SelectionListener</code> + * interface. + * <p> + * <code>widgetSelected</code> is called when the column header is selected. + * <code>widgetDefaultSelected</code> is not called. + * </p> + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #removeSelectionListener + * @see SelectionEvent + */ +public void addSelectionListener (SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Selection,typedListener); + addListener (SWT.DefaultSelection,typedListener); +} + +static int checkStyle (int style) { + return checkBits (style, SWT.LEFT, SWT.CENTER, SWT.RIGHT, 0, 0, 0); +} + +protected void checkSubclass () { + if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); +} + +/** + * Returns a value which describes the position of the + * text or image in the receiver. The value will be one of + * <code>LEFT</code>, <code>RIGHT</code> or <code>CENTER</code>. + * + * @return the alignment + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getAlignment () { + checkWidget (); + if ((style & SWT.LEFT) != 0) return SWT.LEFT; + if ((style & SWT.CENTER) != 0) return SWT.CENTER; + if ((style & SWT.RIGHT) != 0) return SWT.RIGHT; + return SWT.LEFT; +} + +public Display getDisplay () { + Table parent = this.parent; + if (parent == null) error (SWT.ERROR_WIDGET_DISPOSED); + return parent.getDisplay (); +} + +String getNameText () { + return getText (); +} + +/** + * Returns the receiver's parent, which must be a <code>Table</code>. + * + * @return the receiver's parent + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Table getParent () { + checkWidget (); + return parent; +} + +/** + * Gets the resizable attribute. A column that is + * not resizable cannot be dragged by the user but + * may be resized by the programmer. + * + * @return the resizable attribute + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean getResizable () { + checkWidget (); + return resizable; +} + +/** + * Gets the width of the receiver. + * + * @return the width + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getWidth () { + checkWidget (); + int index = parent.indexOf (this); + if (index == -1) return 0; + int hwnd = parent.handle; + return OS.SendMessage (hwnd, OS.LVM_GETCOLUMNWIDTH, index, 0); +} + +/** + * Causes the receiver to be resized to its preferred size. + * For a composite, this involves computing the preferred size + * from its layout, if there is one. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + */ +public void pack () { + checkWidget (); + int index = parent.indexOf (this); + if (index == -1) return; + int hwnd = parent.handle; + TCHAR buffer = new TCHAR (parent.getCodePage (), text, true); + int headerWidth = OS.SendMessage (hwnd, OS.LVM_GETSTRINGWIDTH, 0, buffer) + 10; + if (image != null) { + int margin = 0; + if ((COMCTL32_MAJOR << 16 | COMCTL32_MINOR) >= (5 << 16 | 80)) { + int hwndHeader = OS.SendMessage (hwnd, OS.LVM_GETHEADER, 0, 0); + margin = OS.SendMessage (hwndHeader, OS.HDM_GETBITMAPMARGIN, 0, 0); + } else { + margin = OS.GetSystemMetrics (OS.SM_CXEDGE) * 3; + } + Rectangle rect = image.getBounds (); + headerWidth += rect.width + margin * 2; + } + OS.SendMessage (hwnd, OS.LVM_SETCOLUMNWIDTH, index, OS.LVSCW_AUTOSIZE); + int columnWidth = OS.SendMessage (hwnd, OS.LVM_GETCOLUMNWIDTH, index, 0); + if (headerWidth > columnWidth) { + if (image == null) { + OS.SendMessage (hwnd, OS.LVM_SETCOLUMNWIDTH, index, OS.LVSCW_AUTOSIZE_USEHEADER); + } else { + OS.SendMessage (hwnd, OS.LVM_SETCOLUMNWIDTH, index, headerWidth); + } + } +} + +void releaseChild () { + super.releaseChild (); + parent.destroyItem (this); +} + +void releaseWidget () { + super.releaseWidget (); + parent = null; +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the control is moved or resized. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see ControlListener + * @see #addControlListener + */ +public void removeControlListener (ControlListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Move, listener); + eventTable.unhook (SWT.Resize, listener); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the control is selected. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #addSelectionListener + */ +public void removeSelectionListener(SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Selection, listener); + eventTable.unhook (SWT.DefaultSelection,listener); +} + +/** + * Controls how text and images will be displayed in the receiver. + * The argument should be one of <code>LEFT</code>, <code>RIGHT</code> + * or <code>CENTER</code>. + * + * @param alignment the new alignment + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setAlignment (int alignment) { + checkWidget (); + if ((alignment & (SWT.LEFT | SWT.RIGHT | SWT.CENTER)) == 0) return; + int index = parent.indexOf (this); + if (index == -1 || index == 0) return; + style &= ~(SWT.LEFT | SWT.RIGHT | SWT.CENTER); + style |= alignment & (SWT.LEFT | SWT.RIGHT | SWT.CENTER); + int fmt = 0; + if ((style & SWT.LEFT) == SWT.LEFT) fmt = OS.LVCFMT_LEFT; + if ((style & SWT.CENTER) == SWT.CENTER) fmt = OS.LVCFMT_CENTER; + if ((style & SWT.RIGHT) == SWT.RIGHT) fmt = OS.LVCFMT_RIGHT; + int hwnd = parent.handle; + LVCOLUMN lvColumn = new LVCOLUMN (); + lvColumn.mask = OS.LVCF_FMT; + lvColumn.fmt = fmt; + OS.SendMessage (hwnd, OS.LVM_SETCOLUMN, index, lvColumn); +} + +public void setImage (Image image) { + checkWidget(); + if (image != null && image.isDisposed ()) { + error (SWT.ERROR_INVALID_ARGUMENT); + } + int index = parent.indexOf (this); + if (index == -1) return; + super.setImage (image); + int hwnd = parent.handle; + LVCOLUMN lvColumn = new LVCOLUMN (); + lvColumn.mask = OS.LVCF_FMT | OS.LVCF_IMAGE; + lvColumn.fmt = OS.LVCFMT_IMAGE; + lvColumn.iImage = parent.imageIndex (image); + OS.SendMessage (hwnd, OS.LVM_SETCOLUMN, index, lvColumn); + if (image == null) { + lvColumn.mask = OS.LVCF_FMT; + if ((style & SWT.LEFT) == SWT.LEFT) lvColumn.fmt = OS.LVCFMT_LEFT; + if ((style & SWT.CENTER) == SWT.CENTER) lvColumn.fmt = OS.LVCFMT_CENTER; + if ((style & SWT.RIGHT) == SWT.RIGHT) lvColumn.fmt = OS.LVCFMT_RIGHT; + OS.SendMessage (hwnd, OS.LVM_SETCOLUMN, index, lvColumn); + } +} + +/** + * Sets the resizable attribute. A column that is + * not resizable cannot be dragged by the user but + * may be resized by the programmer. + * + * @param resizable the resize attribute + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setResizable (boolean resizable) { + checkWidget (); + this.resizable = resizable; +} + +public void setText (String string) { + checkWidget (); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + int index = parent.indexOf (this); + if (index == -1) return; + super.setText (string); + + /* + * Bug in Windows. For some reason, when the title + * of a column is changed after the column has been + * created, the alignment must also be reset or the + * text does not draw. The fix is to query and then + * set the alignment. + */ + int hwnd = parent.handle; + LVCOLUMN lvColumn = new LVCOLUMN (); + lvColumn.mask = OS.LVCF_FMT; + OS.SendMessage (hwnd, OS.LVM_GETCOLUMN, index, lvColumn); + + /* Set the column title */ + int hHeap = OS.GetProcessHeap (); + TCHAR buffer = new TCHAR (parent.getCodePage (), string, true); + int byteCount = buffer.length () * TCHAR.sizeof; + int pszText = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, byteCount); + OS.MoveMemory (pszText, buffer, byteCount); + lvColumn.mask |= OS.LVCF_TEXT; + lvColumn.pszText = pszText; + int result = OS.SendMessage (hwnd, OS.LVM_SETCOLUMN, index, lvColumn); + if (pszText != 0) OS.HeapFree (hHeap, 0, pszText); + if (result == 0) error (SWT.ERROR_CANNOT_SET_TEXT); +} + +/** + * Sets the width of the receiver. + * + * @param width the new width + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setWidth (int width) { + checkWidget (); + int index = parent.indexOf (this); + if (index == -1) return; + int hwnd = parent.handle; + OS.SendMessage (hwnd, OS.LVM_SETCOLUMNWIDTH, index, width); +} + +} |