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comparison dwt/widgets/TreeItem.d @ 255:5a30aa9820f3

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removed tango.stdc.stringz imports and allow null for arrays and string arguments.
author Frank Benoit <benoit@tionex.de>
date Sun, 15 Jun 2008 22:32:20 +0200
parents ce446666f5a2
children c0d810de7093
comparison
equal deleted inserted replaced
254:8bca790583c3 255:5a30aa9820f3
25 import dwt.internal.gtk.OS; 25 import dwt.internal.gtk.OS;
26 import dwt.widgets.Item; 26 import dwt.widgets.Item;
27 import dwt.widgets.Tree; 27 import dwt.widgets.Tree;
28 import dwt.widgets.ImageList; 28 import dwt.widgets.ImageList;
29 29
30 static import tango.stdc.stringz;
31 import Math = tango.math.Math; 30 import Math = tango.math.Math;
32 31
33 /** 32 /**
34 * Instances of this class represent a selectable user interface object 33 * Instances of this class represent a selectable user interface object
35 * that represents a hierarchy of tree items in a tree widget. 34 * that represents a hierarchy of tree items in a tree widget.
287 if (0 > index || index > count - 1) return ""; 286 if (0 > index || index > count - 1) return "";
288 void* ptr; 287 void* ptr;
289 int modelIndex = parent.columnCount is 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; 288 int modelIndex = parent.columnCount is 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex;
290 OS.gtk_tree_model_get1 (parent.modelHandle, handle, modelIndex + Tree.CELL_TEXT, &ptr); 289 OS.gtk_tree_model_get1 (parent.modelHandle, handle, modelIndex + Tree.CELL_TEXT, &ptr);
291 if (ptr is null) return ""; //$NON-NLS-1$ 290 if (ptr is null) return ""; //$NON-NLS-1$
292 char[] buffer = tango.stdc.stringz.fromStringz( cast(char*)ptr).dup; 291 char[] buffer = fromStringz( cast(char*)ptr).dup;
293 OS.g_free (ptr); 292 OS.g_free (ptr);
294 return buffer; 293 return buffer;
295 } 294 }
296 295
297 void clear () { 296 void clear () {
1655 * Sets the image for multiple columns in the tree. 1654 * Sets the image for multiple columns in the tree.
1656 * 1655 *
1657 * @param images the array of new images 1656 * @param images the array of new images
1658 * 1657 *
1659 * @exception IllegalArgumentException <ul> 1658 * @exception IllegalArgumentException <ul>
1660 * <li>ERROR_NULL_ARGUMENT - if the array of images is null</li>
1661 * <li>ERROR_INVALID_ARGUMENT - if one of the images has been disposed</li> 1659 * <li>ERROR_INVALID_ARGUMENT - if one of the images has been disposed</li>
1662 * </ul> 1660 * </ul>
1663 * @exception DWTException <ul> 1661 * @exception DWTException <ul>
1664 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> 1662 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
1665 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> 1663 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
1667 * 1665 *
1668 * @since 3.1 1666 * @since 3.1
1669 */ 1667 */
1670 public void setImage (Image [] images) { 1668 public void setImage (Image [] images) {
1671 checkWidget (); 1669 checkWidget ();
1672 if (images is null) error (DWT.ERROR_NULL_ARGUMENT); 1670 // DWT extension: allow null for zero length string
1671 //if (images is null) error (DWT.ERROR_NULL_ARGUMENT);
1673 for (int i=0; i<images.length; i++) { 1672 for (int i=0; i<images.length; i++) {
1674 setImage (i, images [i]); 1673 setImage (i, images [i]);
1675 } 1674 }
1676 } 1675 }
1677 1676
1697 * Sets the receiver's text at a column 1696 * Sets the receiver's text at a column
1698 * 1697 *
1699 * @param index the column index 1698 * @param index the column index
1700 * @param string the new text 1699 * @param string the new text
1701 * 1700 *
1702 * @exception IllegalArgumentException <ul>
1703 * <li>ERROR_NULL_ARGUMENT - if the text is null</li>
1704 * </ul>
1705 * @exception DWTException <ul> 1701 * @exception DWTException <ul>
1706 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> 1702 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
1707 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> 1703 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
1708 * </ul> 1704 * </ul>
1709 * 1705 *
1710 * @since 3.1 1706 * @since 3.1
1711 */ 1707 */
1712 public void setText (int index, String string) { 1708 public void setText (int index, String string) {
1713 checkWidget (); 1709 checkWidget ();
1714 if (string is null) error (DWT.ERROR_NULL_ARGUMENT); 1710 // DWT extension: allow null for zero length string
1711 //if (string is null) error (DWT.ERROR_NULL_ARGUMENT);
1715 if (_getText (index).equals (string)) return; 1712 if (_getText (index).equals (string)) return;
1716 int count = Math.max (1, parent.getColumnCount ()); 1713 int count = Math.max (1, parent.getColumnCount ());
1717 if (0 > index || index > count - 1) return; 1714 if (0 > index || index > count - 1) return;
1718 char* buffer = tango.stdc.stringz.toStringz(string); 1715 char* buffer = toStringz(string);
1719 int modelIndex = parent.columnCount is 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex; 1716 int modelIndex = parent.columnCount is 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex;
1720 OS.gtk_tree_store_set1 (parent.modelHandle, cast(GtkTreeIter*)handle, modelIndex + Tree.CELL_TEXT, buffer); 1717 OS.gtk_tree_store_set1 (parent.modelHandle, cast(GtkTreeIter*)handle, modelIndex + Tree.CELL_TEXT, buffer);
1721 /* 1718 /*
1722 * Bug in GTK. When using fixed-height-mode, 1719 * Bug in GTK. When using fixed-height-mode,
1723 * row changes do not cause the row to be repainted. The fix is to 1720 * row changes do not cause the row to be repainted. The fix is to
1739 /** 1736 /**
1740 * Sets the text for multiple columns in the tree. 1737 * Sets the text for multiple columns in the tree.
1741 * 1738 *
1742 * @param strings the array of new strings 1739 * @param strings the array of new strings
1743 * 1740 *
1744 * @exception IllegalArgumentException <ul>
1745 * <li>ERROR_NULL_ARGUMENT - if the text is null</li>
1746 * </ul>
1747 * @exception DWTException <ul> 1741 * @exception DWTException <ul>
1748 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> 1742 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
1749 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> 1743 * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
1750 * </ul> 1744 * </ul>
1751 * 1745 *
1752 * @since 3.1 1746 * @since 3.1
1753 */ 1747 */
1754 public void setText (String [] strings) { 1748 public void setText (String [] strings) {
1755 checkWidget (); 1749 checkWidget ();
1756 if (strings is null) error (DWT.ERROR_NULL_ARGUMENT); 1750 // DWT extension: allow null for zero length string
1751 //if (strings is null) error (DWT.ERROR_NULL_ARGUMENT);
1757 for (int i=0; i<strings.length; i++) { 1752 for (int i=0; i<strings.length; i++) {
1758 String string = strings [i]; 1753 String string = strings [i];
1759 if (string !is null) setText (i, string); 1754 if (string !is null) setText (i, string);
1760 } 1755 }
1761 } 1756 }